{"id":180,"date":"2024-01-24T02:04:56","date_gmt":"2024-01-24T01:04:56","guid":{"rendered":"https:\/\/pages.constructor.university\/abreugroup\/?page_id=180"},"modified":"2026-02-15T13:23:19","modified_gmt":"2026-02-15T12:23:19","slug":"publications","status":"publish","type":"page","link":"https:\/\/pages.constructor.university\/abreugroup\/publications\/","title":{"rendered":"Publications"},"content":{"rendered":"\n

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Publications<\/h1>\n\n\n\n

2026<\/h2>\n\n\n\n
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  • IEEE Transactions on Wireless Communications<\/strong> – Kuranage Roche Rayan Ranasinghe, Kengo Ando, Hyeon Seok Rou, Giuseppe Thadeu Freitas de Abreu, Takumi Takahashi, Marco Di Renzo, and G. David Gonz\u00e1lez: \u201cA Flexible Design Framework for Integrated Communication and Computing Receivers,\u201d IEEE Transactions on Wireless Communications, 2026. <\/li>\n\n\n\n
  • IEEE Wireless Communications Letters<\/strong> – Vincent Savaux, Hyeon Seok Rou, Zeping Sui, Giuseppe Thadeu Freitas de Abreu, and Zilong Liu: \u201cOn the Robustness of AFDM and OTFS Against Passive Eavesdroppers,\u201d IEEE Wireless Communications Letters, vol. 15, pp. 1365\u20131369, 2026. <\/li>\n\n\n\n
  • IEEE Communications Standards Magazine<\/strong> – Hyeon Seok Rou, Kuranage Roche Rayan Ranasinghe, Vincent Savaux, Giuseppe Thadeu Freitas de Abreu, G. David Gonz\u00e1lez, and Christos Masouros: \u201cAffine Frequency Division Multiplexing (AFDM) for 6g: Properties, Features, and Challenges,\u201d IEEE Communications Standards Magazine, 2026.<\/li>\n\n\n\n
  • IEEE Transactions on Wireless Communications<\/strong> – Kuranage Roche Rayan Ranasinghe, Iv\u00e1n Alexander Morales Sandoval, Hyeon Seok Rou, Giuseppe Thadeu Freitas de Abreu, and George C. Alexandropoulos: \u201cDoubly-Dispersive MIMO Channels With Stacked Intelligent Metasurfaces: Modeling, Parametrization, and Receiver Design,\u201d IEEE Transactions on Wireless Communications, vol. 25, 2026. <\/li>\n\n\n\n
  • IEEE Transactions on Cognitive Communications and Networking<\/strong> – Wensheng Zhang, Wenjiao Ding, Cheng-Xiang Wang, Yunfei Chen, Giuseppe Thadeu Freitas de Abreu, Zhi Liu, Jian Sun, and Zhu Han: \u201cDynamic Spectrum Aggregation and Access for Rescue Cognitive Networks Using Multi-Agent Actor-Critic Reinforcement Learning,\u201d IEEE Transactions on Cognitive Communications and Networking, vol. 12, 2026. <\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n

    2025<\/h2>\n\n\n\n
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    • IEEE International Conference on Computing, Networking and Communications (ICNC 2025)<\/strong> – Koushi Okui, Kengo Ando, Giuseppe Thadeu Freitas de Abreu, and Koji Ishibashi: \u201cLeakage Minimization in Network-Assisted Full-Duplex Cell-Free Massive MIMO Systems,\u201d ICNC 2025, 2025.<\/li>\n\n\n\n
    • IEEE International Conference on Computing, Networking and Communications (ICNC 2025)<\/strong> – Kuranage Roche Rayan Ranasinghe, Yao Ge, Giuseppe Thadeu Freitas de Abreu, and Yong Liang Guan: \u201cJoint Channel Estimation and Data Detection for AFDM Receivers With Oversampling,\u201d ICNC 2025, 2025.<\/li>\n\n\n\n
    • IEEE SPAWC – Signal Processing and Artificial Intelligence for Wireless Communications<\/strong> – Niclas F\u00fchrling, Ivan Alexander Morales Sandoval, and Giuseppe Thadeu Freitas de Abreu: \u201cA Robust Routing Protocol for 5G Mesh Networks,\u201d Proc. IEEE 26th International Workshop on Signal Processing and Artificial Intelligence for Wireless Communications (SPAWC), 2025. <\/li>\n\n\n\n
    • IEEE International Conference on Computing, Networking and Communications (ICNC 2025)<\/strong> – Kuranage Roche Rayan Ranasinghe, Kengo Ando, and Giuseppe Thadeu Freitas de Abreu: \u201cFrom Theory to Reality: A Design Framework for Integrated Communication and Computing Receivers,\u201d ICNC 2025, 2025.<\/li>\n\n\n\n
    • IEEE Transactions on Wireless Communications<\/strong> – Kengo Ando, Giuseppe Thadeu Freitas de Abreu, David Gonz\u00e1lez G., and Osvaldo Gonsa: \u201cLow Complexity Robust Beamforming for Heterogeneous MIMO Rate-Splitting Multiple Access,\u201d IEEE Transactions on Wireless Communications, 2025.<\/li>\n\n\n\n
    • IEEE Access<\/strong> – Miguel \u00c1ngel Gonz\u00e1lez de la Torre, Ivan Alexander Morales Sandoval, Giuseppe Thadeu Freitas de Abreu, and Luis Hern\u00e1ndez Encinas: \u201cPost-Quantum Wireless-based Key Encapsulation Mechanism via CRYSTALS-Kyber for Resource-Constrained Devices,\u201d IEEE Access, 2025.<\/li>\n\n\n\n
    • US Patent<\/strong> – David Gonz\u00e1lez Gonz\u00e1lez, Osvaldo Gonsa, Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, and Razvan-Andrei Stoica: \u201cReconstruction method of discrete digital signals in noisy overloaded wireless communication systems,\u201d US Patent US12191923B2, 2025.<\/li>\n\n\n\n
    • US Patent Application<\/strong> – David Gonz\u00e1lez Gonz\u00e1lez, Osvaldo Gonsa, Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, and Andreas Andrae: \u201cMethod and system to optimize the hyper-parameters of discrete digital signal recovery for data processing systems,\u201d (family publication shown as) CN118525282A, 2024.<\/li>\n\n\n\n
    • IEEE Wireless Communications and Networking Conference (WCNC 2025)<\/strong> – Niclas F\u00fchrling, Giuseppe Thadeu Freitas de Abreu, David Gonz\u00e1lez G., and Osvaldo Gonsa: \u201cEgoistic MDS-based Rigid Body Localization,\u201d WCNC 2025, 2025.<\/li>\n\n\n\n
    • IEEE Wireless Communications and Networking Conference (WCNC 2025)<\/strong> – Getuar Rexhepi, Kuranage Roche Rayan Ranasinghe, Giuseppe Thadeu Freitas de Abreu, and David Gonz\u00e1lez G.: \u201cTone Reservation-Based PAPR Reduction using Manifold Optimization for OFDM-ISAC Systems,\u201d WCNC 2025, 2025.<\/li>\n\n\n\n
    • IEEE Wireless Communications and Networking Conference (WCNC 2025)<\/strong> – Volodymyr Vizitiv, Hyeon Seok Rou, Niclas F\u00fchrling, and Giuseppe Thadeu Freitas de Abreu: \u201cBelief Propagation-Based Rotation and Translation Estimation for Rigid Body Localization,\u201d WCNC 2025, 2025.<\/li>\n\n\n\n
    • IEEE Wireless Communications and Networking Conference (WCNC 2025)<\/strong> – Kuranage Roche Rayan Ranasinghe, Kengo Ando, Hyeon Seok Rou, Giuseppe Thadeu Freitas de Abreu, and Andreas Bathelt: \u201cBlind Bistatic Radar Parameter Estimation in Doubly-Dispersive Channels,\u201d WCNC 2025, 2025.<\/li>\n\n\n\n
    • IEEE Wireless Communications and Networking Conference (WCNC 2025)<\/strong> – Getuar Rexhepi, Kengo Ando, and Giuseppe Thadeu Freitas de Abreu: \u201cPAPR-optimized OFDM Design for Opportunistic Communications and Sensing,\u201d WCNC 2025, 2025.<\/li>\n\n\n\n
    • IEEE Vehicular Technology Conference (VTC2025-Spring)<\/strong> – Taku Mikuriya, Kengo Ando, Kein Yukiyoshi, Giuseppe Thadeu Freitas de Abreu, Koji Ishibashi, and Naoki Ishikawa: \u201cQuantum Speedup for Pilot Assignment Problems,\u201d IEEE Vehicular Technology Conference (VTC2025-Spring), 2025.<\/li>\n\n\n\n
    • IEEE Wireless Communications Letters<\/strong> – Hyeon Seok Rou and Giuseppe Thadeu Freitas de Abreu: \u201cChirp-Permuted AFDM for Quantum-Resilient Physical-Layer Secure Communications,\u201d IEEE Wireless Communications Letters, 2025.<\/li>\n\n\n\n
    • IEEE Transactions on Cognitive Communications and Networking<\/strong> – Wensheng Zhang, Wenjiao Ding, Cheng-Xiang Wang, Yunfei Chen, Giuseppe Thadeu Freitas de Abreu, Zhi Liu, Jie Sun, and Zhu Han: \u201cDynamic Spectrum Aggregation and Access for Rescue Cognitive Networks Using Multi-Agent Actor-Critic Reinforcement Learning,\u201d IEEE Transactions on Cognitive Communications and Networking, 2026.<\/li>\n\n\n\n
    • IEEE Transactions on Wireless Communications<\/strong> – Hyeon Seok Rou, Giuseppe Thadeu Freitas de Abreu, Takumi Takahashi, David Gonz\u00e1lez G., and Osvaldo Gonsa: \u201cEnabling Massive Index Modulation Systems via Combinatorics-Free Detection,\u201d IEEE Transactions on Wireless Communications, 2025.<\/li>\n\n\n\n
    • IEEE Internet of Things Journal<\/strong> – Kengo Ando, Koya Sato, Giuseppe Thadeu Freitas de Abreu, David Gonz\u00e1lez G., and Osvaldo Gonsa: \u201cBayesian Optimization Aided Low-Complexity Beamforming Design for Over-the-Air-Computing,\u201d IEEE Internet of Things Journal, 2025.<\/li>\n\n\n\n
    • IEEE Transactions on Signal Processing<\/strong> – Niclas F\u00fchrling, Volodymyr Vizitiv, Kuranage Roche Rayan Ranasinghe, Hyeon Seok Rou, Giuseppe Thadeu Freitas de Abreu, David Gonz\u00e1lez G., and Osvaldo Gonsa: \u201c6D Rigid Body Localization and Velocity Estimation via Gaussian Belief Propagation,\u201d IEEE Transactions on Signal Processing, 2025.<\/li>\n\n\n\n
    • IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC 2025)<\/strong> – Keigo Masuoka, Takumi Takahashi, Giuseppe Thadeu Freitas de Abreu, and Hideki Ochiai: \u201cQuaternion Domain Super MDS for 3D Localization,\u201d IEEE SPAWC 2025, 2025.<\/li>\n\n\n\n
    • 4th International Conference on 6G Networking (6GNet 2025)<\/strong> – Vincent Savaux, Steve Sawadogo, Hyeon Seok Rou, and Giuseppe Thadeu Freitas de Abreu: \u201cOn the noise robustness of affine frequency division multiplexing: Analysis and applications,\u201d 6GNet 2025, pp. 65\u201372, 2025.<\/li>\n\n\n\n
    • IEEE Communications Magazine<\/strong> – Naoki Ishikawa, Giuseppe Thadeu Freitas de Abreu, Petar Popovski, and Robert W. Heath.: \u201cQuantum-Accelerated Wireless Communications: Concepts, Connections, and Implications,\u201d IEEE Communications Magazine, 2025.<\/li>\n\n\n\n
    • IEEE Transactions on Signal Processing<\/strong> – Niclas F\u00fchrling, Giuseppe Thadeu Freitas de Abreu, David Gonz\u00e1lez G., and Osvaldo Gonsa: \u201cRobust Egoistic Rigid Body Localization,\u201d IEEE Transactions on Signal Processing, 2025.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n

      2024<\/h2>\n\n\n\n
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      • IEEE Transactions on Wireless Communications<\/strong> – Sota Uchimura, Kengo Ando, Giuseppe Thadeu Freitas de Abreu, and Koji Ishibashi: \u201cJoint Design of Equalization and Beamforming for Single-Carrier MIMO Transmission Over Millimeter-Wave and Sub-Terahertz Channels,\u201d IEEE Transactions on Wireless Communications, 2024. <\/li>\n\n\n\n
      • IEICE Technical Report<\/strong> – Takumi Takahashi, Hiroki Iimori, Koji Ishibashi, Shinsuke Ibi, and Giuseppe Thadeu Freitas de Abreu: \u201cBayesian Bilinear Inference-based Receiver Design for Time-Varying Millimeter-Wave MIMO Detection,\u201d IEICE Technical Report; IEICE Tech. Rep. 124 (311), 145-145, 2024. <\/li>\n\n\n\n
      • IEEE Transactions on Wireless Communications<\/strong> – Kuranage Roche Rayan Ranasinghe, Hyeon Seok Rou, Giuseppe Thadeu Freitas de Abreu, Takumi Takahashi, and Kenta Ito: \u201cJoint Channel, Data and Radar Parameter Estimation for AFDM systems in Doubly-Dispersive Channels,\u201d IEEE Transactions on Wireless Communications, 2024.<\/li>\n\n\n\n
      • US Patent Application<\/strong> – David Gonz\u00e1lez G., Osvaldo Gonsa, Andreas Andrae, Giuseppe Thadeu Freitas de Abreu, and Hiroki Iimori: \u201cMethod for modeling visible clusters and non-stationarities in xl-mimo systems,\u201d US Patent App. 18\/290,797, 2024. <\/li>\n\n\n\n
      • IEEE Signal Processing Magazine<\/strong> – Hyeon Seok Rou, Giuseppe Thadeu Freitas de Abreu, Junil Choi, David Gonz\u00e1lez G., Marios Kountouris, Yong Liang Guan, and Osvaldo Gonsa: \u201cFrom Orthogonal Time\u2013Frequency Space to Affine Frequency-Division Multiplexing: A comparative study of next-generation waveforms for Integrated Sensing and Communications in Doubly Dispersive Channels,\u201d IEEE Signal Processing Magazine, vol. 41, no. 5, 2024. <\/li>\n\n\n\n
      • IEEE Signal Processing Magazine – Special Issue on Signal Processing for the Integrated Sensing and Communications Revolution<\/strong> – Hyeon Seok Rou, Giuseppe Thadeu Freitas de Abreu, Junil Choi, David Gonz\u00e1lez G., Marios Kountouris, Yong Liang Guan, and Osvaldo Gonsa: \u201cFrom OTFS to AFDM: A Comparative Study of Next-Generation Waveforms for ISAC in Doubly-Dispersive Channels,\u201d IEEE Signal Processing Magazine, 2024. <\/li>\n\n\n\n
      • IEEE Transactions on Wireless Communications<\/strong> – Takumi Takahashi, Hiroki Iimori, Shinsuke Ibi, and Giuseppe Thadeu Freitas de Abreu: \u201cBayesian Bilinear Inference for Joint Channel Tracking and Data Estimation in Millimeter-Wave MIMO Systems,\u201d IEEE Transactions on Wireless Communications, 2024. <\/li>\n\n\n\n
      • IEEE Transactions on Wireless Communications<\/strong> – Sota Uchimura, Giuseppe Thadeu Freitas de Abreu and Koji Ishibashi: \u201cBlockage-Robust Hybrid Beamforming Enabling High Sum Rate for Millimeter-Wave OFDM Systems,\u201d IEEE Trans. Wireless Commun., 2024.<\/li>\n\n\n\n
      • IEEE Transactions on Wireless Communications<\/strong> – Hyeon Seok Rou, Giuseppe Thadeu Freitas de Abreu, David Gonz\u00e1lez G., and Osvaldo Gonsa: \u201cIntegrated Sensing and Communications for 3D Object Imaging via Bilinear Inference,\u201d IEEE Trans. Wireless Commun., 2024.<\/li>\n\n\n\n
      • VTC Fall – Washington, USA<\/strong> – Kein Yukiyoshi, Taku Mikuriya, Hyeon Seok Rou, Giuseppe Thadeu Freitas de Abreu and Naoki Ishikawa: \u201cGrover Adaptive Search for Maximum Likelihood Detection of Generalized Spatial Modulation,\u201d in Proc. IEEE Vehicular Communications Conference -Fall (VTC Fall), Oct. 10-13, 2024. <\/li>\n\n\n\n
      • IEEE Asilomar CSSC – Pacific Grove, USA<\/strong> – Niclas F\u00fchrling, Kengo Ando, Giuseppe Thadeu Freitas de Abreu, David Gonz\u00e1lez Gonz\u00e1lez and Osvaldo Gonsa: \u201cDiscrete Aware Matrix Completion via Convexized `0-Norm Approximation,\u201d Proc. Asilomar Asilomar Conference on Signals, Systems and Computers, Nov. 2024. <\/li>\n\n\n\n
      • IEEE Asilomar CSSC – Pacific Grove, USA<\/strong> – Hyeon Seok Rou, Giuseppe Thadeu Freitas de Abreu, Kein Yukiyoshi, Taku Mikuriya, and Naoki Ishikawa: \u201cAFDM Chirp-Permutation-Index Modulation with Quantum-Accelerated Codebook Design,\u201d Proc. Asilomar Asilomar Conference on Signals, Systems and Computers, Nov. 2024. <\/li>\n\n\n\n
      • IEEE ICASSP – Seoul, Korea<\/strong> – Kuranage Roche Rayan Ranasinghe, Hyeon Seok Rou and Giuseppe Thadeu Freitas de Abreu: \u201cFast and Efficient Sequential Radar Parameter Estimation in MIMO-OTFS Systems,\u201d Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing, (ICASSP 2024), April 14-19, 2024.<\/li>\n\n\n\n
      • IEICE RCS – Japan<\/strong> – Sota Uchimura, Kengo Ando, Giuseppe Thadeu Freitas de Abreu and Koji Ishibashi: \u201cJoint Design of Linear Equalization and Beamforming for Single-Carrier Sub-Terahertz Systems,\u201d in IEICE Tech. Report, vol. 124, no. 107, RCS2024-99, pp. 76-81, July 2024. <\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n

        2023<\/h2>\n\n\n\n
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        • IEEE J-ISPIN<\/strong> – Niclas F\u00fchrling, Hyeon Seok Rou, Giuseppe Thadeu Freitas de Abreu, David Gonz\u00e1lez G. and Osvaldo Gonsa: \u201cRobust RSSI-based Multi-target Localization via Gaussian Process Regression\u201d, IEEE Journal of Indoor and Seamless Positioning, (J-ISPIN 2023), 2023.<\/li>\n\n\n\n
        • IEEE Access<\/strong> – Ivan Alexander Morales Sandoval, Kengo Ando, Omid Taghizadeh and Giuseppe Thadeu Freitas de Abreu: \u201cSumrate Maximization and Leakage Minimization for Multi-user Cell-Free Massive MIMO Systems,\u201d IEEE Access, 2023.<\/li>\n\n\n\n
        • IEEE Access<\/strong> – Niclas F\u00fchrling, Kengo Ando, Hyeon Seok Rou and Giuseppe Thadeu Freitas de Abreu: \u201cA Rate Splitting Multiple Access Interface for Clustered Wireless Federated Learning,\u201d IEEE Access, vol. 11, pp. 82652-82664, Aug. 2023.<\/li>\n\n\n\n
        • IEEE Transactions on Wireless Communications<\/strong> – Takumi Takahashi, Hiroki Iimori, Koji Ishibashi, Shinsuke Ibi, and Giuseppe Thadeu Freitas de Abreu: \u201cBayesian Receiver Design via Bilinear Inference for Cell-Free Massive MIMO with Low-Resolution ADCs,\u201d IEEE Transactions on Wireless Communications, vol. 22, no. 7, pp. 4756-4772, Jul. 2023.<\/li>\n\n\n\n
        • IEEE Transactions on Vehicular Technology<\/strong> – Sota Uchimura, Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu and Koji Ishibashi: \u201cOutage-Minimization Coordinated Multi-Point for Millimeter-Wave OFDM with Random Blockages,\u201d IEEE Trans. Veh. Tech., vol. 72, no. 7, pp. 8783-8796, Jul. 2023.<\/li>\n\n\n\n
        • IEEE Tran. on Info. Forensics and Security<\/strong> (IEEE SPS Japan Journal Paper Award) – Yuma Katsuki, Giuseppe Thadeu Freitas de Abreu, Koji Ishibashi, and Naoki Ishikawa: \u201cNoncoherent Massive MIMO with Embedded One-Way Function Physical Layer Security,\u201d IEEE Transactions on Information Forensics and Security, vol. 18, pp. 3158-3170, May 2023.<\/li>\n\n\n\n
        • IEEE Wireless Communications Letters<\/strong> – Yuma Katsuki, Giuseppe Thadeu Freitas de Abreu, Koji Ishibashi and Naoki Ishikawa: \u201cA New Noncoherent Gaussian Signaling Scheme for Low Probability of Detection Communications,\u201d IEEE Wireless Communication Letters, vol. 12, no. 3, pp. 545-549, Mar. 2023.<\/li>\n\n\n\n
        • IEEE Open Journal of the Signal Processing Society <\/strong>– Kengo Ando, Koji Ishibashi and Giuseppe Thadeu Freitas de Abreu: \u201cRobust Tensor Decomposition for Heterogeneous Beamforming under Imperfect Channel State Information,\u201d IEEE Open Journal of the Signal Processing Society, vol. 4, pp. 89-98, Feb. 2023.<\/li>\n\n\n\n
        • IEEE CAMSAP – Los Sue\u00f1os, Costa Rica<\/strong> – Aya El Mai, Hyeon Seok Rou and Giuseppe Thadeu Freitas de Abreu: \u201cEfficient Joint Radar and Communication Exploiting Sparsity and Spatial Modulation\u201d, Proc. IEEE Conference on Computational Advances in Multi-sensor Adaptive Processing, (CAMSAP 2023), Dec. 10 – 13, 2023.<\/li>\n\n\n\n
        • IEEE CAMSAP – Los Sue\u00f1os, Costa Rica<\/strong> – Hyeon Seok Rou, Giuseppe Thadeu Freitas de Abreu, David Gonz\u00e1lez G. and Osvaldo Gonsa: \u201cEnabling EnergyEfficiency in Massive-MIMO: A Scalable Low-Complexity Decoder for Generalized Quadrature Spatial Modulation\u201d, Proc. IEEE Conference on Computational Advances in Multi-sensor Adaptive Processing, (CAMSAP 2023), Dec. 10 – 13, 2023.<\/li>\n\n\n\n
        • IEEE CAMSAP – Los Sue\u00f1os, Costa Rica<\/strong> – Niclas F\u00fchrling, Hyeon Seok Rou, Giuseppe Thadeu Freitas de Abreu, David Gonz\u00e1lez G. and Osvaldo Gonsa: \u201cRobust Training for RSSI-Based Localization\u201d, Proc. IEEE Conference on Computational Advances in Multi-sensor Adaptive Processing, (CAMSAP 2023), Dec. 10 – 13, 2023.<\/li>\n\n\n\n
        • IEEE CAMSAP – Los Sue\u00f1os, Costa Rica<\/strong> – Kengo Ando and Giuseppe Thadeu Freitas de Abreu: \u201cLow-Complexity and High-Performance Combiners for Over the Air Computing\u201d, Proc. IEEE Conference on Computational Advances in Multi-sensor Adaptive Processing, (CAMSAP 2023), Dec. 10 – 13, 2023.<\/li>\n\n\n\n
        • WPMC – Tampa, USA <\/strong>(Best Paper Award) – Kenta Miwa, Kengo Ando, Giuseppe Thadeu Freitas de Abreu and Koji Ishibashi: \u201cPhysical-Layer Authentication Over Spatially Correlated MIMO Channels,\u201d in Proc. Wireless Personal Multimedia Communications (WPMC 2023), November 19-22, 2023.<\/li>\n\n\n\n
        • IEEE WCNC – Glasgow, Scotland<\/strong> – Sota Uchimura, Giuseppe Thadeu Freitas de Abreu and Koji Ishibashi: \u201cHybrid Beamforming for OutageMinimization in Frequency Selective Millimeter-Wave Channels,\u201d in Proc. IEEE Wireless Communications and Networking Conference (WCNC 2023), 2023.<\/li>\n\n\n\n
        • VTC Fall – Hong Kong<\/strong> – Koushi Okui, Kengo Ando, Giuseppe Thadeu Freitas de Abreu and Koji Ishibashi: \u201cScalable Network-Assisted Full-Duplex Cell-Free Massive MIMO With Limited Fronthaul Capacity,\u201d in Proc. IEEE Vehicular Communications Conference -Fall (VTC Fall 2023), Oct. 10-13, 2023.<\/li>\n\n\n\n
        • IEEE ICASSP – Rhodes Island, Greece<\/strong> – Yuya Nishi, Takumi Takahashi, Hiroki Iimori and Giuseppe Thadeu Freitas de Abreu, Shinsuke Ibi and Seiichi Sampei: \u201cWireless Location Tracking via Complex-Domain Super MDS with Time Series Self-Localization Information,\u201d Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing, (ICASSP 2023), June 4-9, 2023.<\/li>\n\n\n\n
        • IEICE RCS – Japan<\/strong> – Kenta Miwa, Kengo Ando, Giuseppe Thadeu Freitas de Abreu and Koji Ishibashi: \u201cPhysical Layer Authentication Based on Mahalanobis Distance Over Spacially Correlated MIMO Channels,\u201d in Proc. IEICE General Conference, vol. 123, no. 76, RCS2023-34, pp. 37-42, June, 2023.<\/li>\n\n\n\n
        • IEEE ICOIN – Bangkok, Thailand<\/strong> – Shuto Fukue, Giuseppe Thadeu Freitas de Abreu and Koji Ishibashi: \u201cNetwork-Assisted Full-Duplex MillimeterWave Cell-Free Massive MIMO with Localization-Aided Inter-User Channel Estimation\u201d, Proc. IEEE International Conference on Information Networking, (ICOIN 2023), Jan. 11 – 14, 2023.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n

          2022<\/h2>\n\n\n\n
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          • University of Electro-Communications Bremen<\/strong> – 2022 Sota Uchimura, Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu and Koji Ishibashi: \u201cBase Station Diversity and Beamforming,\u201d Reference Number: 2022-112198, July 2022.<\/li>\n\n\n\n
          • IEEE Transactions on Wireless Communications<\/strong> – Hyeon Seok Rou, Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, David Gonz\u00e1lez G., and Osvaldo Gonsa: \u201cScalable Quadrature Spatial Modulation,\u201d IEEE Trans. Wireless Commun., vol. 21, no. 11. Nov. 2022.<\/li>\n\n\n\n
          • IEEE Open Journal of the Communications Society<\/strong> – Kengo Ando, Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, and Koji Ishibashi: \u201cUser-Heterogeneous CellFree Massive MIMO Beamforming via Tensor Decomposition,\u201d IEEE Open Journal of the Communications Society, vol. 3, pp. 740-758, Apr. 2022.<\/li>\n\n\n\n
          • IEEE Transactions on Wireless Communications<\/strong> – Omid Taghizadeh, Tianyu Yang, Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, Ali Cagatay Cirik, and Rudolf Mathar: \u201cQuantization-Aided Secrecy: FD C-RAN Communications with Untrusted Radios,\u201d IEEE Trans. Wireless Commun., vol. 21, no. 10, pp. 8522-8535, Oct. 2022.<\/li>\n\n\n\n
          • IEEE Access<\/strong> – Shuto Fukue, Hiroki Iimori, Koji Ishibashi, and Giuseppe Thadeu Freitas de Abreu: \u201cJoint Access Configuration and Beamforming for Cell-Free Massive MIMO Systems with Dynamic TDD,\u201d IEEE Access, vol. 10, pp. 40130-40149, Apr. 2022.<\/li>\n\n\n\n
          • IEEE Transactions on Wireless Communications<\/strong> – Hiroki Iimori, Takumi Takahashi, Koji Ishibashi, Giuseppe Thadeu Freitas de Abreu, David Gonz\u00e1lez G., and Osvaldo Gonsa: \u201cJoint Activity and Channel Estimation for Extra-Large MIMO Systems Subject to Non-Stationarities,\u201d IEEE Transactions on Wireless Communications, vol. 12, no. 9, pp. 7253-7270, Sep. 2022.<\/li>\n\n\n\n
          • IEEE SITA<\/strong> – Hokkaido, Japan<\/strong> – Sota Uchimura, Giuseppe Thadeu Freitas de Abreu and Koji Ishibashi: \u201cDesign of Outage-Minimization Hybrid Beamforming for Coordinated Multi-Point OFDM Millimeter Wave Systems,\u201d The 45th Symposium on Information Theory and its Applications (SITA 2019), Nov. 29 – Dec. 02, 2022.<\/li>\n\n\n\n
          • IEEE Asilomar CSSC – Pacific Grove, USA<\/strong> – Kengo Ando, Hiroki Iimori, Hyeon Seok Rou Giuseppe Thadeu Freitas de Abreu, David Gonz\u00e1lez Gonz\u00e1lez and Osvaldo Gonsa: \u201cAn Iterative Discrete Least Square Estimator with Dynamic Parameterization via Deep-Unfolding,\u201d Proc. Asilomar Asilomar Conference on Signals, Systems and Computers, Nov. 2022.<\/li>\n\n\n\n
          • IEEE Asilomar CSSC – Pacific Grove, USA<\/strong> – Omid Taghizadeh, Tianyu Yang and Giuseppe Thadeu Freitas de Abreu: \u201cSecuring FD C-RAN with Untrusted Radios: Joint Utilization of Jamming and Fronthaul Quantization,\u201d Proc. Asilomar Asilomar Conference on Signals, Systems and Computers, Nov. 2022.<\/li>\n\n\n\n
          • IEEE Asilomar CSSC – Pacific Grove, USA<\/strong> – Hyeon Seok Rou, Giuseppe Thadeu Freitas de Abreu, David Gonz\u00e1lez Gonz\u00e1lez and Osvaldo Gonsa: \u201cAsymmetric Bilinear Inference for Joint Communications and Environment Sensing,\u201d Proc. Asilomar Asilomar Conference on Signals, Systems and Computers, Nov. 2022.<\/li>\n\n\n\n
          • IEEE Asilomar CSSC – Pacific Grove, USA<\/strong> – Hyeon Seok Rou, Giuseppe Thadeu Freitas de Abreu and Takumi Takahashi: \u201cAn Efficient Vector-valued Belief Propagation Decoder for Quadrature Spatial Modulation,\u201d Proc. Asilomar Asilomar Conference on Signals, Systems and Computers, Nov. 2022.<\/li>\n\n\n\n
          • IEEE CTW – Marbella, Spain<\/strong> – Hyeon Seok Rou, Giuseppe Thadeu Freitas de Abreu and Takumi Takahashi: \u201cAn Efficient Vector-valued Belief Propagation Decoder for Scalable Quadrature Spatial Modulation,\u201d Proc. IEEE Communication Theory Workshop (CTW 2022), Oct 2-8, 2022.<\/li>\n\n\n\n
          • IEEE CTW – Marbella, Spain<\/strong> – Hyeon Seok Rou, Giuseppe Thadeu Freitas de Abreu, David Gonz\u00e1lez Gonz\u00e1lez and Osvaldo Gonsa: \u201cAsymmetric Bilinear Message Passing for Joint Communications and Environment Sensing,\u201d Proc. IEEE Communication Theory Workshop (CTW 2022), Oct 2-8, 2022.<\/li>\n\n\n\n
          • IEEE CTW – Marbella, Spain<\/strong> – Ivan Morales, Kengo Ando, Omid Taghizadeh, Giuseppe Thadeu Freitas de Abreu: \u2018Scalable Secrecy Amplification for CF-mMIMO,\u201d Proc. IEEE Communication Theory Workshop (CTW 2022), Oct 2-8, 2022.<\/li>\n\n\n\n
          • IEEE CTW – Marbella, Spain<\/strong> – Kengo Ando, Koji Ishibashi and Giuseppe Thadeu Freitas de Abreu: \u201cRobust Tensor Decomposition for CFmMIMO with Heterogeneous Users and Imperfect CSI,\u201d Proc. IEEE Communication Theory Workshop (CTW 2022), Oct 2-8, 2022.<\/li>\n\n\n\n
          • CISIS – Salamanca, Spain<\/strong> – Seiya Otsuka, Hiroki Iimori, Kengo Ando, Giuseppe Thadeu Freitas de Abreu, Koji Ishibashi and Naoki Ishikawa: \u201cAnalysis of Secret Key Agreement Protocol for Massive MIMO Systems,\u201d International Conference on Computational Intelligence in Security for Information Systems (CISIS), Sep. 2022.<\/li>\n\n\n\n
          • IEICE Radio Communication Systems Conference<\/strong> – Yuma Katsuki, Giuseppe Thadeu Freitas de Abreu, Koji Ishibashi and Naoki Ishikawa: \u201cNon-coherent Gaussian Modulation for Covert Communications,\u201d in Proc. IEICE Radio Communication Systems Conference, Aug. 2022.<\/li>\n\n\n\n
          • IEICE Radio Communication Systems Conference<\/strong> – Sota Uchimura, Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu and Koji Ishibashi: \u201cDesign of Coordinated Multi-Point Beamforming for Millimeter-Wave OFDM With Random Blockage,\u201d in Proc. IEICE Radio Communication Systems Conference, Aug. 2022.<\/li>\n\n\n\n
          • IEEE ICC – Seoul, Korea<\/strong> – Hiroki Iimori, Takumi Takahashi, Hyeon Seok Rou, Koji Ishibashi, Giuseppe Thadeu Freitas de Abreu, David Gonz\u00e1lez G., and Osvaldo Gonsa: \u201cGrant-Free Access for Extra-Large MIMO Systems Subject to Spatial NonStationarity,\u201d IEEE International Conference on Communications (ICC), May 2022.<\/li>\n\n\n\n
          • IEICE Radio Communication Systems Conference<\/strong> – Yuma Katsuki, Giuseppe Thadeu Freitas de Abreu, Koji Ishibashi and Naoki Ishikawa: \u201cPhysical Layer Security Scheme That Exploits an Optimization Method As a One-Way Function,\u201d in Proc. IEICE Radio Communication Systems Conference, Mar. 2022.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n

            2021<\/h2>\n\n\n\n
            \n
            \n
              \n
            • Continental AG and Jacobs University Bremen<\/strong> – Hyeon Seok Rou, Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, David Gonz\u00e1lez G, Andreas Andrae, and Osvaldo Gonsa: \u201cGreedy Sparse Decoder for Quadrature Spatial Modulation,\u201d Reference Number: 2021E04288 DE.<\/li>\n\n\n\n
            • Continental AG and Jacobs University Bremen<\/strong> – Hyeon Seok Rou, Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, David Gonz\u00e1lez G, Andreas Andrae, and Osvaldo Gonsa: \u201cOptimal Index Vector Selection Algorithm for Spatial Modulation,\u201d Reference Number: 2021E04247 DE.<\/li>\n\n\n\n
            • Continental AG and Jacobs University Bremen<\/strong> – Hyeon Seok Rou, Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, David Gonz\u00e1lez G, Andreas Andrae, and Osvaldo Gonsa: \u201cOptimal and Scalable Quadrature Space-Time Modulation (OS-QSM) Scheme,\u201d Reference Number: 2021E04245 DE.<\/li>\n\n\n\n
            • Continental AG and Jacobs University Bremen<\/strong> – Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, David Gonz\u00e1lez G, Andreas Andrae, and Osvaldo Gonsa: \u201cMethod for Modeling Visible Clusters and Non-stationarities in XL-MIMO systems,\u201d Reference Number: 2021E04242 DE.<\/li>\n\n\n\n
            • Continental AG and Jacobs University Bremen<\/strong> – Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, David Gonz\u00e1lez G, and Osvaldo Gonsa: \u201cMethod of Joint User Activity Detection and Channel Information Estimation in Extra-Large MIMO (XL-MIMO) Systems with Non-Stationarities,\u201d Apr. 2021.<\/li>\n\n\n\n
            • University of Electro-Communications<\/strong> – Kengo Ando, Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, and Koji Ishibashi: \u201cMethod of Access Point Control and Communications,\u201d Application Number: 2021-025816, Feb. 2021.<\/li>\n\n\n\n
            • Continental AG and Jacobs University Bremen<\/strong> – Hyeon S. Rou, Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, David Gonz\u00e1lez G, and Osvaldo Gonsa: \u201cA Method of Scalable Space-Time Quadrature Spatial Modulation for Multidimensional Wireless Systems,\u201d Feb. 2021.<\/li>\n\n\n\n
            • IEEE Access <\/strong>– Kengo Ando, Hiroki Iimori, Koji Ishibashi, and Giuseppe Thadeu Freitas de Abreu: \u201cUplink Signal Detection for Scalable Cell-Free Massive MIMO Systems with Robustness to Rate-Limited Fronthaul,\u201d IEEE Access, vol. 9, pp. 102770\u2013102782, Jul. 2021.<\/li>\n\n\n\n
            • IEEE Open Journal of the Communications Society <\/strong>– Lorenzo Mucchi, Sara Jayousi, Stefano Caputo, Erdal Panayirci, Shahriar Shahabuddin, Jonathan Bechtold, Ivan Morales, Andrei Stoica, Giuseppe Thadeu Freitas de Abreu, and Herald Haas: \u201cPhysical-Layer Security in 6G Networks,\u201d IEEE Open J. Commun. Society, vol. 2, pp. 1901\u20131914, Aug. 2021.<\/li>\n\n\n\n
            • IEEE Transactions on Vehicular Technology<\/strong> – Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, David Gonz\u00e1lez G, and Osvaldo Gonsa: \u201cMitigating Channel Aging and Phase Noise in Millimeter Wave MIMO Systems,\u201d IEEE Trans. Veh. Tech., vol. 70, no. 7, pp. 7237\u20137242, Jul. 2021.<\/li>\n\n\n\n
            • IEEE Access<\/strong> – Liming Hou, Feng Lian, Shuncheng Tan, Cong\u2019an Xu and Giuseppe Thadeu Freitas de Abreu: \u201cRobust Generalized Labeled Multi-Bernoulli Filter for Multitarget Tracking with Unknown Non-stationary Heavy-tailed Measurement Noise,\u201d IEEE Access, vol 9, July 2021.<\/li>\n\n\n\n
            • IEEE Transactions on Wireless Communications<\/strong> – Hiroki Iimori, Takumi Takahashi, Koji Ishibashi, Giuseppe Thadeu Freitas de Abreu, and Wei Yu: \u201cGrant-Free Access via Bilinear Inference for Cell-Free MIMO with Non-Orthogonal Pilots,\u201d IEEE Transactions on Wireless Communications, vol. 20, no. 11, pp. 7694\u20137710, Nov. 2021.<\/li>\n\n\n\n
            • IEEE Acccess<\/strong> – Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, Omid Taghizadeh, Razvan-Andrei Stoica, Takanori Hara, and Koji Ishibashi: \u201cA Stochastic Gradient Descent Approach for Hybrid MmWave Beamforming with Blockage and CSI-Error Robustness,\u201d IEEE Access, vol. 9, pp. 74471 – 74487, May 2021.<\/li>\n\n\n\n
            • IEEE Open Journal of the Communications Society<\/strong> – Omid Taghizadeh, Slawomir Stanczak, Hiroki Iimori, and Giuseppe Thadeu Freitas de Abreu: \u201cFull-Duplex Amplify-and-Forward MIMO Relaying: Impairments Aware Design and Performance Analysis,\u201d IEEE Open J. Commun. Society, vol. 2, pp. 1249 – 1266, May 2021.<\/li>\n\n\n\n
            • IEEE Open Journal of the Communications Society<\/strong> – Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, Takanori Hara, Koji Ishibashi, Razvan-Andrei Stoica, David Gonz\u00e1lez G, and Osvaldo Gonsa: \u201cRobust Symbol Detection in Overloaded NOMA Systems,\u201d IEEE Open J. Commun. Society, vol.2, pp. 512 – 533, March 2021.<\/li>\n\n\n\n
            • IEICE Radio Communication Systems Conference<\/strong> – Kendo Ando, Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, and Koji Ishibashi: \u201cBeamforming Design and Secrecy Capacity analysis for Cell-Free mMIMO,\u201d in Proc. IEICE Radio Communication Systems Conference, Oct. 2021.<\/li>\n\n\n\n
            • IEICE Radio Communication Systems Conference<\/strong> – Shuto Fukue, Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu and Koji Ishibashi: \u201cA Study on Resource Allocation and Beamforming Design via Geometric Mean Maximization for Cell-free Massive MIMO Systems with Dynamic TDD,\u201d in Proc. IEICE Radio Communication Systems Conference, Oct. 2021.<\/li>\n\n\n\n
            • IEICE Radio Communication Systems Conference<\/strong> – Takumi Takahashi, Hiroki Iimori, Kengo Ando, Koji Ishibashi, Shinsuke Ibi, and Giuseppe Abreu: \u201cJoint Channel and Data Estimation for Scalable Cell-Free Massive MIMO Systems with Low-Resolution ADCs,\u201d in Proc. IEICE Radio Communication Systems Conference, Oct. 21\u201322, 2021.<\/li>\n\n\n\n
            • IEICE RCS – Japan<\/strong> – Shuto Fukue, Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu and Koji Ishibashi: \u201cA Study on User-Fair Dynamic TDD for Cell-Free Massive MIMO Systems,\u201d Proc. IEICE General Conference, vol. 121, no. 210, RCS2021-121, pp. 19-24, Oct. 2021.<\/li>\n\n\n\n
            • IEICE Radio Communication Systems Conference<\/strong> – Kendo Ando, Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, Takumi Takahashi, and Koji Ishibashi: \u201cAntenna Configuration and Robust Receiver Design for Scalable Cell-Free Massive MIMO with Capacity Limited Fronthaul ,\u201d in Proc. IEICE Radio Communication Systems Conference, Aug. 2021.<\/li>\n\n\n\n
            • IEICE Radio Communication Systems Conference<\/strong> – Sota Uchimura, Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu and Koji Ishibashi,: \u201cLow-Complexity Robust Beamforming Design for Millimeter-Wave Communications with Random Blockage,\u201d in Proc. IEICE Radio Communication Systems Conference, Aug. 2021.<\/li>\n\n\n\n
            • IEICE Radio Communication Systems Conference<\/strong> – Shuto Fukue, Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu and Koji Ishibashi: \u201cResource Allocation and Beamforming Design Considering User Fairness for Cell-Free Massive MIMO System with Dynamic TDD,\u201d in Proc. IEICE Radio Communication Systems Conference, vol. 121, no. 153, RCS2021-115, pp. 85-90, Aug. 2021.<\/li>\n\n\n\n
            • IEICE Radio Communication Systems Conference<\/strong> – Kengo Ando, Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, and Koji Ishibashi: \u201cTensor-Aided Beamforming Design for Full Duplex Cell-Free MIMO,\u201d in Proc. IEICE Radio Communication Systems Conference, Jun. 23\u201325, 2021.<\/li>\n\n\n\n
            • IEICE RCS – Japan<\/strong> – Hiroki Iimori, Takumi Takahashi, Koji Ishibashi and Giuseppe Thadeu Freitas de Abreu: \u201cBilinear Inference for Grant-Free Access in Cell-Free MIMO Systems,\u201d Proc. IEICE General Conference, Mar. 9-12, 2021.<\/li>\n\n\n\n
            • IEICE RCS – Beppu, Japan<\/strong> – Kengo Ando, Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu and Koji Ishibashi: \u201cTensor-aided Beamforming Design for Cell-Free MIMO,\u201d Proc. IEICE Technical Committee on Radio Communication Systems Workshop, Mar. 3-5, 2021.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n

              2020<\/h2>\n\n\n\n
              \n
              \n
                \n
              • Arxiv – 6G White Paper<\/strong> – Mika Ylianttila, Raimo Kantola, Andrei Gurtov, Lozenzo Mucchi, Ian Oppermann, Zheng Yan, Tri Hong Nguyen, Fei Liu, Tharaka Hewa, Madhusanka Liyanage, Ahmad Ijaz, Juha Partala, Robert Abbas, Artur Hecker, Sara Jayousi, Alessio Martinelli, Stefano Caputo, Jonathan Bechtold, Ivan Morales, Andrei Stoica, Giuseppe Thadeu Freitas de Abreu, Shahriar Shahabuddin, Erdal Panayirci, Harald Haas, Tanesh Kumar, Basak Ozan Ozparlak, Juha R\u00f6ning: \u201cResearch challenges for Trust, Security and Privacy,\u201d in Arxiv – 6G White Paper<\/li>\n\n\n\n
              • WIOsense GmbH <\/strong>– Jonathan Bechtold, Ivan Morales, Andrei Stoica and Giuseppe Thadeu Freitas de Abreu: \u201cVerfahren und Vorrichtung zur Erkennung sowohl von digitalen decode-forward Relais als auch transparenten amplify-forward Relais in drahtlosen Peer-to-Peer- N\u00e4herungsverbindungen,\u201d IPR-102020133526.1 DE, Dec. 2020.<\/li>\n\n\n\n
              • Continental AG and Jacobs University Bremen<\/strong> – Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, Razvan-Andrei Stoica, David Gonzales, Andreas Andrae and Osvaldo Gonsa: \u201cEstimation Method of Discrete Digital Signals in Noisy Overloaded Wireless Communication Systems with CSI Errors,\u201d IPR-2020E01911 DE, Mar. 2020.<\/li>\n\n\n\n
              • Continental AG and Jacobs University Bremen <\/strong>– Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, Razvan-Andrei Stoica, David Gonzales, Andreas Andrae and Osvaldo Gonsa: \u201cMethod of Discrete Digital Signal Recovery in Noisy Overloaded Wireless Communication Systems in the Presence of Hardware Impairments,\u201d IPR-2020E01916 DE, Mar. 2020.<\/li>\n\n\n\n
              • IEEE Access <\/strong>– Naoya Hirosawa, Hiroki Iimori, Koji Ishibashi and Giuseppe Thadeu Freitas de Abreu: \u201cMinimizing Age of Information in Energy Harvesting Wireless Sensor Networks\u201d, IEEE Access, Nov 2020.<\/li>\n\n\n\n
              • IEEE Wireless Communications Letters <\/strong>– Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, Omid Taghizadeh, Razvan-Andrei Stoica, Takanori Hara and Koji Ishibashi: \u201cStochastic Learning Robust Beamforming for Millimeter-Wave Systems with Path Blockage,\u201d IEEE Wireless Communication Letters, Jul.2020.<\/li>\n\n\n\n
              • APS Physical Review E <\/strong>– Luiscarlos A. Torres-S\u00e1nchez, Giuseppe Thadeu Freitas de Abreu and Stefan Kettemann: \u201cAnalysis of the dynamics and topology dependencies of small perturbations in electric transmission grids\u201d, APS Physical Review E. vol. 101, no. 1, Jan. 2020<\/li>\n\n\n\n
              • IEEE GLOBECOM – Taipei, Taiwan<\/strong> – Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, and Koji Ishibashi: \u201cFull-Duplex MIMO Systems with Hardware Limitations and Imperfect Channel Estimation,\u201d Proc. IEEE Global Communications Conference (GLOBECOM), Dec. 2020.<\/li>\n\n\n\n
              • IEEE GLOBECOM – Taipei, Taiwan<\/strong> – Omid Taghizadeh, Slawomir Stanczak, Hiroki Iimori, and Giuseppe Thadeu Freitas de Abreu: \u201cFull-Duplex AF MIMO Relaying: Impairments Aware Design and Performance Analysis,\u201d Proc. IEEE Global Communications Conference (GLOBECOM), Dec. 2020.<\/li>\n\n\n\n
              • IEICE RCS – Japan<\/strong> – Shuto Fukue, Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu and Koji Ishibashi: \u201cDynamic TDD Allocation via Fractional Programming for Cell-Free Massive MIMO Systems,\u201d Proc. IEICE Technical Committee on Radio Communication Systems Workshop, vol. 120, no. 298, RCS2020-151, pp. 91-96, Dec. 17-18, 2020.<\/li>\n\n\n\n
              • IEEE Asilomar CSSC – Pacific Grove, USA<\/strong> – Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, Omid Taghizadeh, and Koji Ishibashi: \u201cDiscrete-Aware Matrix Completion via Proximal Gradient,\u201d Proc. Asilomar Asilomar Conference on Signals, Systems and Computers, Nov. 2020.<\/li>\n\n\n\n
              • IEEE FUSION \u2013 Online<\/strong> – Liming Hou, Feng Lian and Giuseppe Thadeu Freitas de Abreu: \u201cRobust delta-Generalized Labeled MultiBernoulli Filter for Nonlinear Systems with Heavy-tailed Noises,\u201d Proc. IEEE 23rd International Conference on Information Fusion (FUSION), Jul. 6-9.<\/li>\n\n\n\n
              • IEICE RCS – Beppu, Japan<\/strong> – Kengo Ando, Hiroki Iimori, Koji Ishibashi and Giuseppe Thadeu Freitas de Abreu: \u201cDiscreteness Aware Receiver Design and Antenna Configuration for Distributed MIMO,\u201d Proc. IEICE Technical Committee on Radio Communication Systems Workshop, Apr. 23\u201324, 2020.<\/li>\n\n\n\n
              • IEICE RCS – Beppu, Japan<\/strong> – Naoya Hirosawa, Hiroki Iimori, Koji Ishibashi and Giuseppe Thadeu Freitas de Abreu: \u201cOptimal Transmission Strategy Realizing Minimum Age-of-Information of Energy Harvesting Users over Multiple-Access Channels,\u201d Proc. IEICE Technical Committee on Radio Communication Systems Workshop, Apr. 23\u201324, 2020.<\/li>\n\n\n\n
              • IEEE ICOIN – Barcelona, Spain<\/strong> – Hiroki Iimori, Razvan-Andrei Stoica and Giuseppe Thadeu Freitas de Abreu: \u201cRobust Sparse Recovery of mmWave Channel Estimates via Fractional Programming\u201d, Proc. IEEE International Conference on Information Networking, (ICOIN 2020), Jan. 7 – 20, 2020.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n

                2019<\/h2>\n\n\n\n
                \n
                \n
                  \n
                • Continental AG and Jacobs University Bremen<\/strong> – Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, Razvan-Andrei Stoica, David Gonzales, Andreas Andrae and Osvaldo Gonsa: \u201cAdvanced Methods of Estimating Transmit Symbols Vectors in Overloaded Communication Channels,\u201d IPR-2019E07870 DE, Nov. 2019.<\/li>\n\n\n\n
                • Continental AG and Jacobs University Bremen<\/strong> – Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, David Gonzales, Andreas Andrae and Osvaldo Gonsa: \u201cMethod of Estimating Transmit Symbol Vectors in an Overloaded Communication Channel,\u201d IPR-2019E03560 DE, May 2019.<\/li>\n\n\n\n
                • Continental AG and Jacobs University Bremen<\/strong> – Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, Razvan-Andrei Stoica, David Gonzales, Andreas Andrae and Osvaldo Gonsa: \u201cReconstruction Method of Discrete Digital Signals in Noisy Overloaded Wireless Communication Systems,\u201d IPR-2020E01334 DE, Feb. 2019.<\/li>\n\n\n\n
                • IEEE Transactions on Wireless Communications<\/strong> – Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu and George Alexandropoulos: \u201cMIMO Beamforming Schemes for Hybrid SIC FD Radios with Imperfect HW and CSI,\u201d IEEE Transactions on Wireless Communications, July, 2019<\/li>\n\n\n\n
                • IEEE Access<\/strong> – Razvan-Andrei Stoica, Giuseppe Thadeu Freitas de Abreu, Takanori Hara and Koji Ishibashi: \u201cMassively Concurrent Non-orthogonal Multiple Access for 5G Networks and Beyond\u201d, IEEE Access, June 2019.<\/li>\n\n\n\n
                • IEEE Access<\/strong> – Razvan-Andrei Stoica, Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, Koji Ishibashi: \u201cFrame Theory and Fractional Programming for Sparse Recovery-based mmWave Channel Estimation,\u201d IEEE Access, vol. 7, pp. 150757\u2013150774, Oct. 2019.<\/li>\n\n\n\n
                • IEEE SITA – Kagoshima, Japan<\/strong> – Shuto Fukue, Hiroki Iimori, Koji Ishibashi, Giuseppe Thadeu Freitas de Abreu and Shigeru Takayama: \u201cCooperative Pilot Design for Multi-Cell Massive MIMO Systems under Pilot Contamination,\u201d The 42nd Symposium on Information Theory and its Applications (SITA 2019), Nov. 26 – 29, 2019.<\/li>\n\n\n\n
                • IEEE SITA – Kagoshima, Japan<\/strong> – Hiroki Iimori, Koji Ishibashi and Giuseppe Thadeu Freitas de Abreu: \u201cA Discreteness-Aware Linear MMSE Filter,\u201d The 42nd Symposium on Information Theory and its Applications (SITA 2019), Nov. 26 – 29, 2019.<\/li>\n\n\n\n
                • IEEE CAMSAP – Guadalupe, French West Indies<\/strong> – Razvan-Andrei Stoica, Hiroki Iimori and Giuseppe Thadeu Freitas de Abreu: \u201cMultiuser Detection for Large Massively Concurrent NOMA Systems via Fractional Programming\u201d, Proc. IEEE Conference on Computational Advances in Multi-sensor Adaptive Processing, (CAMSAP 2019), Dec. 15 – 18, 2019.<\/li>\n\n\n\n
                • IEEE CAMSAP – Guadalupe, French West Indies<\/strong> – Naoya Hirosawa, Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu and Koji Ishibashi: \u201cAge-of-Information Minimization in Two-User Multiple Access Channel with Energy Harvesting\u201d, Proc. IEEE Conference on Computational Advances in Multi-sensor Adaptive Processing, (CAMSAP 2019), Dec. 15 – 18, 2019.<\/li>\n\n\n\n
                • IEEE Asilomar CSSC – Monterey, USA<\/strong> – Razvan-Andrei Stoica, Hiroki Iimori and Giuseppe Thadeu Freitas de Abreu: \u201cSparsely-structured Multiuser Detection for Large Massively Concurrent NOMA Systems\u201d, Proc. IEEE Fifty-third Asilomar Conference on Signals, Systems and Computers (Asilomar 2019), November 3rd – 8th 2019.<\/li>\n\n\n\n
                • IEEE Asilomar CSSC – Monterey, USA<\/strong> – Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, David Gonzalez and Osvaldo Gonzales: \u201cJoint Detection in Massive Overloaded Wireless Systems via Mixed-Norm Discrete Vector Decoding\u201d, Proc. IEEE Fifty-third Asilomar Conference on Signals, Systems and Computers (Asilomar 2019), November 3rd – 8th 2019.<\/li>\n\n\n\n
                • IEICE RCS – Tokyo, Japan<\/strong> – Hiroki Iimori, Koji Ishibashi and Giuseppe Thadeu Freitas de Abreu: \u201cRobust Transmit Beamforming Design via Fractional Programming for Downlink Power-Domain NOMA Systems\u201d, IEICE Radio Communications Symposium (in Japanese), RCS2019-7, July 2019.<\/li>\n\n\n\n
                • IEEE SPAWC – Cannes, France<\/strong> – Razvan-Andrei Stoica and Giuseppe Thadeu Freitas de Abreu: \u201cA Low-complexity Receiver for Massively Concurrent Non-orthogonal Multiple Access\u201d, Proc. IEEE International Workshop on Signal Processing Advances in Communications (SPAWC 2019), July 2nd – 5th 2019.<\/li>\n\n\n\n
                • IEEE WiOpt – Avignon, France<\/strong> – Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu and Koji Ishibashi: \u201cFractional Programming for Robust TX BF Design in Multi-User\/Single-Carrier PD-NOMA\u201d, Proc. IEEE International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks, (WiOpt 2019), 3-7 June, 2019.<\/li>\n\n\n\n
                • IEEE WCNC – Marrakech, Morocco<\/strong> – Razvan-Andrei Stoica and Giuseppe Thadeu Freitas de Abreu: \u201cFrame-theoretic Precoding and Beamforming Design for Robust mmWave Channel Estimation\u201d, Proc. IEEE Wireless Communications and Networking Conference, (WCNC 2019), 15-18 April, 2019.<\/li>\n\n\n\n
                • IEEE WCNC – Marrakech, Morocco<\/strong> – Takanori Hara, Razvan-Andrei Stoica, Hiroki Iimori, Koji Ishibashi and Giuseppe Thadeu Freitas de Abreu: \u201cOn the Sum-Rate Capacity and Spectral Efficiency Gains of Massively Concurrent NOMA Systems\u201d, Proc. IEEE Wireless Communications and Networking Conference, (WCNC 2019), 15-18 April, 2019.<\/li>\n\n\n\n
                • IEEE WCNC – Marrakech, Morocco<\/strong> – Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, George Alexandropoulos and Koji Ishibashi: \u201cTransmission Strategies in Imperfect Bi-directional Full-Duplex MIMO Systems\u201d, Proc. IEEE Wireless Communications and Networking Conference, (WCNC 2019), 15-18 April, 2019.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n

                  2018<\/h2>\n\n\n\n
                  \n
                  \n
                    \n
                  • IEEE Systems Journal<\/strong> – Samip Malla and Giuseppe Thadeu Freitas de Abreu: \u201cSINR Distributions for Robust MIMO TX-Power Minimization with Controlled Outage,\u201d IEEE Systems Journal, Vol. 12, No. 3, pp. 2308 – 2319, Sep. 2018.<\/li>\n\n\n\n
                  • IEEE Transactions on Wireless Communications<\/strong> – Alireza Ghods and Giuseppe Thadeu Freitas de Abreu: \u201cComplex-domain Super MDS: A New Framework for Wireless Localization with Hybrid Information,\u201d IEEE Transactions on Wireless Communications, vol. 17, no. 11, pp. 7364 – 7378, Aug. 2018.<\/li>\n\n\n\n
                  • IEEE Transactions on Wireless Communications<\/strong> – Shun Ogata, Koji Ishibashi, and Giuseppe Thadeu Freitas de Abreu: \u201cOptimized Frameless ALOHA for Cooperative Base Stations with Overlapped Coverage Areas,\u201d IEEE Transactions on Wireless Communications, vol. 17, no. 11, pp. 7486 – 7499, Aug. 2018.<\/li>\n\n\n\n
                  • ELSEVIER Information Sciences <\/strong>– Simona Cabuz and Giuseppe Thadeu Freitas de Abreu: \u201cCausal Inference for Multivariate Stochastic Process Prediction\u201d Elsevier Information Sciences – Informatics and Computer Science Intelligent Systems Applications, Vol. 448\u2013449, Pages 134-148, June 2018.<\/li>\n\n\n\n
                  • IEEE Systems Journal<\/strong> – Satyanarayana Vuppala and Giuseppe Thadeu Freitas de Abreu: \u201cAsymptotic Secrecy Analysis of Random Networks with Colluding Eavesdroppers\u201d, IEEE Systems Journal, vol. 12, no. 1, pp. 871 – 880, Mar. 2018.<\/li>\n\n\n\n
                  • IEEE Transactions on Communications<\/strong> – Satyanarayana Vuppala, Yohannes Jote Tolossa, Georges Kaddoum and Giuseppe Thadeu Freitas de Abreu: \u201cOn the Physical Layer Security Analysis of Hybrid Millimeter Wave Networks\u201d IEEE Transactions on Communications, vol. 66, no. 3, pp. 1139 – 1152, Mar. 2018.<\/li>\n\n\n\n
                  • IEEE SITA <\/strong>– Iiwaki, Japan – Hiroki Iimori, Shigeru Takayama, Razvan-Andrei Stoica and Giuseppe Thadeu Freitas de Abreu: \u201cFrame-Theoretic Precoding Design via QR Decomposition for Non-Orthogonal Multiple Access,\u201d The 41st Symposium on Information Theory and its Applications (SITA 2018), Dec. 18 – 21, 2018.<\/li>\n\n\n\n
                  • IEEE SITA<\/strong> – Iiwaki, Japan – Shunya Nishikawa, Hiroki Iimori, Shigeru Takayama, Razvan-Andrei Stoica and Giuseppe Thadeu Freitas de Abreu: \u201cPrecoding Design via Frame-Theoretic Approach for Millimeter<\/li>\n\n\n\n
                  • Wave Non-Orthogonal Multiple Access,\u201d The 41st Symposium on Information Theory and its Applications (SITA 2018), Dec. 18 – 21, 2018.<\/li>\n\n\n\n
                  • IEEE GlobalSIP – Anaheim (CA), USA<\/strong> – Hiroki Iimori, George Alexandropoulos and Giuseppe Thadeu Freitas de Abreu: \u201cFull-Duplex Transmission Optimization for Bi-directional MIMO links with QoS Guarantees,\u201d Proc. IEEE 6th Global Conference on Signal and Information Processing (GlobalSIP 2018), November 26th – 29th, Nov., 2018.<\/li>\n\n\n\n
                  • IEEE GlobalSIP – Anaheim (CA), USA<\/strong> – Giuseppe Thadeu Freitas de Abreu and Alireza Ghods: \u201cTurbo MRC-SMDS: Low-complexity Cooperative Localization from Hybrid Information,\u201d Proc. IEEE 6th Global Conference on Signal and Information Processing (GlobalSIP 2018), Nov. 26th – 29th, Nov., 2018.<\/li>\n\n\n\n
                  • IEEE GlobalSIP – Anaheim (CA), USA <\/strong>– Giuseppe Thadeu Freitas de Abreu and Alireza Ghods: \u201cHybrid Wireless Localization via Complex-domain Isometric Embedding,\u201d Proc. IEEE 6th Global Conference on Signal and Information Processing (GlobalSIP 2018), November 26th – 29th, Nov., 2018.<\/li>\n\n\n\n
                  • IEEE Asilomar CSSC – Monterey, USA<\/strong> – Razvan-Andrei Stoica and Giuseppe Thadeu Freitas de Abreu: \u201cMassively Concurrent NOMA: A Frame-Theoretic Design for Non-Orthogonal Multiple Access,\u201dProc. IEEE Fifty-second Asilomar Conference on Signals, Systems and Computers, (Asilomar 2018), October 28-31, 2018.<\/li>\n\n\n\n
                  • IEEE WPNC – Bremen, Germany<\/strong> – Shunya Nishikawa and Giuseppe Thadeu Freitas de Abreu: \u201cManifold Optimization-based Hybrid TX\/RX Precoding for FD Relay mmWave Systems,\u201dProc. IEEE Workshop on Positioning Navigation and Communication, (WPNC 2018), October 25-26, 2018.<\/li>\n\n\n\n
                  • IEEE WPNC – Bremen, Germany<\/strong> – Hiroki Iimori, George Alexandropoulos and Giuseppe Thadeu Freitas de Abreu: \u201cFull-Duplex Bi-directional MIMO under Imperfect CSI and Hardware Impairments,\u201dProc. IEEE Workshop on Positioning Navigation and Communication, (WPNC 2018), October 25-26, 2018.<\/li>\n\n\n\n
                  • IEEE VTC – Chicago, USA<\/strong> – Razvan-Andrei Stoica, Giuseppe Thadeu Freitas de Abreu and Hiroki Iimori: \u201cA Frame-Theoretic Scheme for Robust Millimeter Wave Channel Estimation,\u201dProc. IEEE Vehicular Communications Conference – Workshop on 5G Millimeter-Wave Channel Measurement, Models, and Systems, (VTC-Workshop 2018), August 27-30, 2018.<\/li>\n\n\n\n
                  • IEEE SPAWC – Kalamata, Greece<\/strong> – Hiroki Iimori and Giuseppe Thadeu Freitas de Abreu: \u201cTwo-Way Full-Duplex MIMO with Hybrid TX-RX MSE Minimization and Interference Cancellation,\u201d Proc. IEEE International Workshop on Signal Processing Advances in Communications, Jul. 25-28 2018.<\/li>\n\n\n\n
                  • IEEE SPAWC – Kalamata, Greece<\/strong> – Sugiyama Kouhei, Hiroki Iimori and Giuseppe Thadeu Freitas de Abreu: \u201cStatistical Analysis of EH Battery State under Noisy Energy Arrivals,\u201d Proc. IEEE International Workshop on Signal Processing Advances in Communications, Jul. 25-28 2018.<\/li>\n\n\n\n
                  • IEEE ICC Workshop – Kansas City, USA<\/strong> – Hiroki Iimori and Giuseppe Thadeu Freitas de Abreu: \u201cPerformance Analysis of Non-linear Wireless Communications in Ultra Dense Networks\u201d, Proc. IEEE Workshop on Full-duplex Communications for Future Wireless Networks co-located with Proc. IEEE International Conference on Communications, (ICC 2018), Kansas City, USA 20-24 May 2018.<\/li>\n\n\n\n
                  • IEICE RCS – Yamaguchi, Japan<\/strong> (Best Paper Award) – Hiroki Iimori and Giuseppe Thadeu Freitas de Abreu: \u201cJoint Design of Multi-tap Analog Canceller and Digital Beamforming for Two-Way Full Duplex MIMO Systems,\u201d IEICE Radio Communications Symposium (in Japanese), vol. 118, no. 12, RCS2018-7, pp. 37-42, April 2018.<\/li>\n\n\n\n
                  • IEEE WCNC – Barcelona, Spain<\/strong> – Hiroki Iimori and Giuseppe Thadeu Freitas de Abreu: \u201cRate-Optimal Communication under Non-linear Gaussian<\/li>\n\n\n\n
                  • Noise via Constellation Shaping\u201d, Proc. IEEE Wireless Communications and Networking Conference, (WCNC 2017), 15-18 April, 2018.<\/li>\n\n\n\n
                  • IEEE WCNC – Barcelona, Spain <\/strong>– Alireza Ghods and Giuseppe Thadeu Freitas de Abreu: \u201cComplex Domain Super MDS: Computationally Efficient Localization via Ranging and Angle Information\u201d, Proc. IEEE Wireless Communications and Networking Conference, (WCNC 2017), 15-18 April, 2018.<\/li>\n\n\n\n
                  • IEEE WCNC – Barcelona, Spain<\/strong> – Cristian Pan\u02d8a, Stefano Severi and Giuseppe Thadeu Freitas de Abreu: \u201cSuper-Accurate Source Localization via Multiple Measurement Vectors and Compressed Sensing\u201d, Proc. IEEE Wireless Communications and Networking Conference, (WCNC 2017), 15-18 April, 2018.<\/li>\n\n\n\n
                  • IEICE RCS – Yokosuka, Japan<\/strong> – Hiroki iimori and Giuseppe Thadeu Freitas de Abreu: \u201cRate Maximization via Probabilistic Constellation Shaping in AWGN Channels with Non-linear Distortion,\u201d IEICE Radio Communications Symposium (in Japanese), vol. 117, no. 456, RCS2017-402, pp. 459-464, Feb. 2018.<\/li>\n\n\n\n
                  • IEICE RCS – Yokosuka, Japan<\/strong> – Shunya Nishikawa, Hiroki iimori and Giuseppe Thadeu Freitas de Abreu: \u201cNon-orthogonal Multiple Access design via Frame Theory,\u201d IEICE Radio Communications Symposium (in Japanese), vol. 117, no. 456, RCS2017-402, pp. 465-468, Feb. 2018.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n

                    2017<\/h2>\n\n\n\n
                    \n
                    \n
                      \n
                    • IEEE Systems Journal <\/strong>– Yohannes Jote Tolossa, Satyanarayana Vuppala, Georges Kaddoum and Giuseppe Thadeu Freitas de Abreu: \u201cOn the Uplink Secrecy Capacity Analysis in D2D-Enabled Cellular Networks\u201d IEEE Systems Journal, May 2017.<\/li>\n\n\n\n
                    • IEEE Transactions on Intelligent Transport Systems<\/strong> – Razvan-Andrei Stoica, Stefano Severi, and Giuseppe Thadeu Freitas de Abreu: \u201cA self-organizing frequency approach to 802.11p channel estimation\u201d, IEEE Transactions on Intelligent Transportation Systems, Vol. 18, No. 7, pp. 1930 – 1942, Jul. 2017.<\/li>\n\n\n\n
                    • IEEE Internet of Things <\/strong>– Yohannes Jote Tolossa, Satyanarayana Vuppala, and Giuseppe Thadeu Freitas de Abreu: \u201cSecrecy Rate analysis in Multi-Tier Heterogeneous Networks over Generalized Fading Model\u201d, IEEE Internet of Things, Vol. 4, No. 1, Feb. 2017.<\/li>\n\n\n\n
                    • IEEE Internet of Things <\/strong>– Hiroki Kawabata, Koji Ishibashi, Satyanarayana Vuppala and Giuseppe Thadeu Freitas de Abreu: \u201cRobust Relay Selection for Large-Scale Energy Harvesting IoT Networks,\u201d IEEE Internet of Things, Vol. 4, No. 2, pp 384-392, April 2017.<\/li>\n\n\n\n
                    • IEEE CAMSAP – Cura\u00e7ao, Dutch Antilles<\/strong> – Hiroki Iimori, Razvan-Andrei Stoica and Giuseppe Thadeu Freitas de Abreu: \u201cConstellation Shaping for Rate Maximization in AWGN Channels with Non-linear Distortion\u201d, Proc. IEEE Conference on Computational Advances in Multi-sensor Adaptive Processing, (CAMSAP 2017), Dec. 10 – 13, 2017.<\/li>\n\n\n\n
                    • IEICE SITA – Niigata, Japan<\/strong> – Hiroki Iimori, Tatsuya Uchida and Giuseppe Thadeu Freitas de Abreu : \u201c Statistical Model of Non-Linear Additive Noisy Wireless Channels\u201d, The 40th Symposium on Information Theory and its Applications (SITA 2017), Niigata, Japan, Nov. 29 – Dec. 1, 2017.<\/li>\n\n\n\n
                    • IEICE SITA – Niigata, Japan<\/strong> – Shunya Nishikawa, Hiroki Iimori and Giuseppe Thadeu Freitas de Abreu : \u201cConstruction of Complex Incoherent UNTF via Convex Optimization\u201d, The 40th Symposium on Information Theory and its Applications (SITA 2017), Niigata, Japan, Nov. 29 – Dec. 1, 2017.<\/li>\n\n\n\n
                    • IEICE SITA – Niigata, Japan<\/strong> – Kohei Sugiyama, Hiroki Iimori and Giuseppe Thadeu Freitas de Abreu : \u201cBattery State Statistics in EH Nodes with Random Energy Sources\u201d, The 40th Symposium on Information Theory and its Applications (SITA 2017), Niigata, Japan, Nov. 29 – Dec. 1, 2017.<\/li>\n\n\n\n
                    • IEICE SITA – Niigata, Japan<\/strong> – Ryuto Asano and Giuseppe Thadeu Freitas de Abreu : \u201cSparse Signal Reconstruction via Genetic Algorithm\u201d, The<\/li>\n\n\n\n
                    • 40th Symposium on Information Theory and its Applications (SITA 2017), Niigata, Japan, Nov. 29 – Dec. 1, 2017.<\/li>\n\n\n\n
                    • IEEE WPNC – Bremen, Germany<\/strong> – Alireza Ghods, Stefano Severi, and Giuseppe Thadeu Freitas de Abreu: \u201cMRC Implementation of Super MDS for Efficient 2D Localization,\u201dProc. IEEE Workshop on Positioning Navigation and Communication, (WPNC 2017), October 25-26, 2017.<\/li>\n\n\n\n
                    • IEEE WPNC – Bremen, Germany<\/strong> – Benoit Denis and Cristian Pana and Giuseppe Thadeu Freitas de Abreu: \u201cMobile Target Localization through Low Complexity Compressed Sensing with Iterative Alternate Coordinates Projections,\u201dProc. IEEE Workshop on Positioning Navigation and Communication, (WPNC 2017), October 25-26, 2017.<\/li>\n\n\n\n
                    • IEEE ISWCS – Bologna, Italy<\/strong> – Samip Malla and Giuseppe Thadeu Freitas de Abreu: \u201cTransmission Strategies in Multi-User Millimeter Wave Systems\u201d, Proc. IEEE International Symposium on Wireless Communication Systems (ISWCS 2017), August 28-31, 2017.<\/li>\n\n\n\n
                    • IEEE SPAWC – Hokkaido, Japan <\/strong>– Shun Ogata, Koji Ishibashi, and Giuseppe Thadeu Freitas de Abreu: \u201cMulti-Access Diversity Gain via Multiple Base Station Cooperation in Frameless ALOHA,\u201d Proc. IEEE International Workshop on Signal Processing Advances in Communications, Jul. 3-6 2017.<\/li>\n\n\n\n
                    • IEEE ICC – Paris, France <\/strong>– Alireza Ghods, Stefano Severi, and Giuseppe Thadeu Freitas de Abreu: \u201cCholesky MDS: A Fast and Efficient Heterogeneous Localization Algorithm\u201d, Proc. IEEE International Conference on Communications, (ICC 2017), Paris, France, May 21-25, 2017.<\/li>\n\n\n\n
                    • IEICE RCS – Nakatadogun, Japan<\/strong> – Shun Ogata, Koji Ishibashi, and Giuseppe Thadeu Freitas de Abreu: \u201cOn Generalized Analysis for Packet Loss Rate of Frameless ALOHA with Multiple Base Station Cooperation,\u201d IEICE Radio Communications Symposium (in Japanese), vol. 117, no. 11, pp. 83-88, Apr. 24-25 2017.<\/li>\n\n\n\n
                    • AME – Dortmund, Germany<\/strong> – Cristian Pana and Giuseppe Thadeu Freitas de Abreu: \u201cAn adaptive approach to non-parametric estimation of dynamic probability density functions,\u201dProc. Automotive Meets Electronics, (AME 2017), March 7-8, 2017.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n

                      2016<\/h2>\n\n\n\n
                      \n
                      \n
                        \n
                      • IEEE Transactions on Wireless Communications<\/strong> – Omotayo Oshiga, Stefano Severi and Giuseppe Thadeu Freitas de Abreu: \u201cSuperresolution Multipoint Ranging with Optimized Sampling via Orthogonally Designed Golomb Rulers,\u201d IEEE Transactions on Wireless Communications, vol. 15, no. 1, 2016.<\/li>\n\n\n\n
                      • IEEE ISWCS – Poznan, Poland<\/strong> – Yohannes Jote Tolossa and Giuseppe Thadeu Freitas de Abreu: \u201cRobust Weighted Sum Rate Maximization over Full Duplex Multi-User MIMO Systems Under Imperfect CSIT\u201d, Proc. IEEE International Symposium on Wireless Communication Systems (ISWCS 2016), August 20-23, 2016.<\/li>\n\n\n\n
                      • IEEE ISWCS – Poznan, Poland<\/strong> – Samip Malla and Giuseppe Thadeu Freitas de Abreu: \u201cTransmit Power Minimization in Multi-User Millimeter Wave Systems\u201d, Proc. IEEE International Symposium on Wireless Communication Systems (ISWCS 2016), August 20-23, 2016.<\/li>\n\n\n\n
                      • IEEE ISWCS – Poznan, Poland <\/strong>(Best Paper Award) – Samip Malla and Giuseppe Thadeu Freitas de Abreu: \u201cChannel Estimation in Millimeter Wave MIMO Systems: Sparsity Enhancement via Reweighting\u201d, Proc. IEEE International Symposium on Wireless Communication Systems (ISWCS 2016), August 20-23, 2016.<\/li>\n\n\n\n
                      • IEEE WPNC – Bremen, Germany<\/strong> – Cristian Pana and Giuseppe Thadeu Freitas de Abreu: \u201cAn adaptive approach to non-parametric estimation of dynamic probability density functions,\u201dProc. IEEE Workshop on Positioning Navigation and Communication, (WPNC 2016), October 19-20, 2016.<\/li>\n\n\n\n
                      • IEEE Asilomar CSSC – Monterey, USA <\/strong>– Yohannes Jote Tolossa and Giuseppe Thadeu Freitas de Abreu: \u201cPhysical layer security analysis for cooperative communications with full duplex relaying under Nakagami-m fading model,\u201dProc. IEEE Fiftyth Asilomar Conference on Signals, Systems and Computers, (Asilomar 2016), November 6-9, 2016.<\/li>\n\n\n\n
                      • IEEE SPAWC – Edinburgh, UK <\/strong>– Jhanak Parajuli, Satyanarayana Vuppala, and Giuseppe Thadeu Freitas de Abreu: \u201cDegrees of Freedom of Threeuser MIMO IC via Receiver Chain Alignment\u201d, Proc. IEEE International Workshop on Signal Processing Advances in Communications, (SPAWC 2016), July 03-06, 2016.<\/li>\n\n\n\n
                      • IEEE IV-WCCP – Gothenburg, Sweden<\/strong> – Alireza Ghods, Stefano Severi, and Giuseppe Thadeu Freitas de Abreu: \u201cLocalization in V2X Communication Networks\u201d, Proc. IEEE Intelligent Vehicles Symposium, Workshop on Cooperative Communication and Positioning, (IV-CCP 2016), June 19-22, 2016.<\/li>\n\n\n\n
                      • IEEE IV-WCCP – Gothenburg, Sweden<\/strong> – Razvan-Andrei Stoica, Stefano Severi, and Giuseppe Thadeu Freitas de Abreu: \u201cOn Prototyping IEEE802.11p Channel Estimation in Real-world Environments using GNU Radio\u201d, Proc. IEEE Intelligent Vehicles Symposium, Workshop on Cooperative Communication and Positioning, (IV-CCP 2016), June 19-22, 2016.<\/li>\n\n\n\n
                      • IEEE ICC – Kuala Lumpur, Malaysia<\/strong> – Remun Koirala, Stefano Severi, and Giuseppe Thadeu Freitas de Abreu: \u201cBattery Size Optimization for Energy Harvesting Wireless Nodes\u201d, Proc. IEEE International Conference on Communications, (ICC 2016), Kuala Lumpur, Malaysia, May 23-27, 2016.<\/li>\n\n\n\n
                      • International Conference on Emerging Trends in Engineering<\/strong> – Pooja Kenchetty. P, Iimori Hiroki,Giuseppe Thadeu Freitas de Abreu, and K. Rajesh Shetty: \u201cA Simple Massive MIMO Scheme based on the Overlap of Space Time Codes,\u201d Proc. International Conference on Emerging Trends in Engineering, (ICETE 2016), May 12-13, 2016.<\/li>\n\n\n\n
                      • IEICE Technical Committee on Smart Radio – Nagasaki, Japan<\/strong> – Hiroki Kawabata, Koji Ishibashi, Vuppala Satyanarayana, Giuseppe Thadeu Freitas de Abreu: \u201cOutage Probability Analysis of Energy Harvesting Relay Selection Using Channel Distribution Information in Large-Scale Networks\u201d, IEICE Technical Committee on Smart Radio, vol. 115, no. 411, SR2015-84, pp. 63-68, Nagasaki, Japan, Jan. 21-22, 2016.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n

                        2015<\/h2>\n\n\n\n
                        \n
                        \n
                          \n
                        • IEEE Wireless Communications Letters <\/strong>– Satyanarayana Vuppala and Giuseppe Thadeu Freitas de Abreu: \u201cSecrecy Outage Analysis in Cellular Networks,\u201d IEEE Wireless Communications Letters, vol. 4, no. 2, April 2015.<\/li>\n\n\n\n
                        • IEEE Journal on Selected Areas in Communications <\/strong>– Samuel van de Velde, Giuseppe Thadeu Freitas de Abreu and Heidi Steenkamp: \u201cImproved Censoring and NLOS Avoidance for Wireless Localization in Dense Networks,\u201d IEEE Journal on Selected Areas in Communications – Special Issue on Location-Awareness for Radios and Networks, no. 99, May 2015.<\/li>\n\n\n\n
                        • IET Communications <\/strong>– Wensheng Zhang, Pavel Zheltov and Giuseppe Thadeu Freitas de Abreu: \u201cSimple and Exact Extreme Eigenvalue Distributions of Finite Wishart Matrices,\u201d IET Communications, vol. 9, iss. 7, pp 990-998, April, 2015.<\/li>\n\n\n\n
                        • IEICE SITA – Kojima, Japan<\/strong> – Shun Ogata, Koji Ishibashi and Giuseppe Thadeu Freitas de Abreu : \u201cAnalysis of Packet Decoding Probability for Frameless ALOHA with Multiple Base Stations\u201d, The 38th Symposium on Information Theory and its Applications (SITA 2015), Kojima, Japan, pp. 113 – 118, Nov. 24 – 27 , 2015.<\/li>\n\n\n\n
                        • IEICE SITA – Kojima, Japan<\/strong> – Hiroki Kawabata, Koji Ishibashi, Satyanarayana Vuppala and Giuseppe Thadeu Freitas de Abreu : \u201cDesign and Analysis of Energy Harvesting Relay Selection Using Channel Distribution Information\u201d, The 38th Symposium on Information Theory and its Applications (SITA 2015), Kojima, Japan, pp. 191 – 196, Nov. 24 – 27 , 2015.<\/li>\n\n\n\n
                        • IEEE VNC – Kyoto, Japan<\/strong> – Razvan-Andrei Stoica, Stefano Severi and Giuseppe Thadeu Freitas de Abreu: \u201cLearning the vehicular channel through the self-organization of frequencies\u201d, Proc. IEEE Vehicular Networking Conference, (VNC 2015), Dec. 16 – 18 , 2015.<\/li>\n\n\n\n
                        • IEEE CAMSAP – Cancun, Mexico<\/strong> – Samip Malla and Giuseppe Thadeu Freitas de Abreu: \u201cEnergy Efficiency and Base Station Selection in Massive MIMO Small Cell Hybrid Networks\u201d, Proc. IEEE Conference on Computational Advances in Multi-sensor Adaptive Processing, (CAMSAP 2015), Dec. 13 – 16, 2015.<\/li>\n\n\n\n
                        • IEEE Asilomar CSSC – Monterey, USA <\/strong>– Simona Poilinca, Jhanak Parajuli and Giuseppe Thadeu Freitas de Abreu: \u201cCausal Graph Inference\u201d, Proc. IEEE Fourty-Nineth Asilomar Conference on Signals, Systems and Computers, (Asilomar 2015), November 8-11, 2015.<\/li>\n\n\n\n
                        • IEEE Asilomar CSSC – Monterey, USA<\/strong> – Jhanak Parajuli and Giuseppe Thadeu Freitas de Abreu: \u201cInterference Alignment Using Alignment Matrix\u201d, Proc. IEEE Fourty-Nineth Asilomar Conference on Signals, Systems and Computers, (Asilomar 2015), November 8-11, 2015.<\/li>\n\n\n\n
                        • IEEE Asilomar CSSC – Monterey, USA<\/strong> – Samip Malla, Jhanak Parajuli and Giuseppe Thadeu Freitas de Abreu: \u201cMIMO Power Minimization with Imperfect CSIT and Prescribed Outage\u201d, Proc. IEEE Fourty-Nineth Asilomar Conference on Signals, Systems and Computers, (Asilomar 2015), November 8-11, 2015.<\/li>\n\n\n\n
                        • IEEE Asilomar CSSC – Monterey, USA <\/strong>– Remun Koirala, Stefano Severi, Jhanak Parajuli and Giuseppe Thadeu Freitas de Abreu: \u201cTransmission Power Optimization for Energy Harvesting Wireless Nodes\u201d, Proc. IEEE Fourty-Nineth Asilomar Conference on Signals, Systems and Computers, (Asilomar 2015), November 8-11, 2015.<\/li>\n\n\n\n
                        • IEICE Society Conference 2015 – Sendai, Japan<\/strong> – Shun Ogata, Koji Ishibashi, and Giuseppe Thadeu Freitas de Abreu: \u201cOptimization of the Target Degree for Frameless ALOHA with Buffer\u201d, IEICE Society Conference 2015, Sendai, Japan, Sep. 8 – 11 , 2015.<\/li>\n\n\n\n
                        • IEEE PIMRC – Hong Kong, China<\/strong> – Yohannes Jote Tolossa, Satyanarayana Vuppala and Giuseppe Thadeu Freitas de Abreu: \u201cPhysical Layer Security in Cellular Networks under Modified MHCPP Model\u201d, Proc. IEEE Personal Indoor Mobile Radio Communications, (PIMRC 2015), Aug. 30 – Sep. 2, 2015.<\/li>\n\n\n\n
                        • IEEE ISWCS – Brussels, Belgium<\/strong> – Yohannes Jote Tolossa, Satyanarayana Vuppala and Giuseppe Thadeu Freitas de Abreu: \u201cSecrecy Outage Analysis of Cognitive Radio Networks with Power Control\u201d, Proc. IEEE International Symposium on Wireless Communication Systems,(ISWCS 2015) , August 25-28, 2015.<\/li>\n\n\n\n
                        • IEEE ISWCS – Brussels, Belgium<\/strong> – Samip Malla and Giuseppe Thadeu Freitas de Abreu: \u201cMISO TX-Power Minimization under Imperfect Instantaneous CSIT\u201d, Proc. IEEE International Symposium on Wireless Communication Systems, (ISWCS 2015), August 25-28, 2015.<\/li>\n\n\n\n
                        • IEEE ISWCS – Brussels, Belgium<\/strong> – Simona Poilinca and Giuseppe Thadeu Freitas de Abreu: \u201cNonparametric Estimation of Information Causality between Analog Narrowband Signals\u201d, Proc. IEEE International Symposium on Wireless Communication Systems, (ISWCS 2015), August 25-28, 2015.<\/li>\n\n\n\n
                        • IEICE RCS – Sendai, Japan<\/strong> – Shun Ogata, Koji Ishibashi, and Giuseppe Thadeu Freitas de Abreu : \u201cOptimization of Target Degrees for Frameless ALOHA with Multiple Base Stations\u201d, Proc. IEICE Conference on Radio Communication Systems (RCS 2015), vol. 115, no. 160, RCS2015-100, pp. 1-6, Nagano, Japan, Jul. 29 – 31 , 2015.<\/li>\n\n\n\n
                        • IEEE ICC – London, UK<\/strong> – Satyanarayana Vuppala, Weigang Liu, Giuseppe Thadeu Freitas de Abreu and Tharmalingam Ratnarajah: \u201cSecrecy Outage of Nakagami-m MISO Channels with Randomly Located Receivers\u201d, Proc. IEEE International Conference on Communications, (ICC 2015), June 8-12, 2015.<\/li>\n\n\n\n
                        • IEEE ICC – London, UK<\/strong> – Yohannes Jote Tolossa and Giuseppe Thadeu Freitas de Abreu: \u201cProbabilistic Based TX-Beamformer Design Under Partial CSIT using Optimized SINR Estimates\u201d, Proc. IEEE International Conference on Communications, (ICC 2015), June 8-12, 2015.<\/li>\n\n\n\n
                        • IEICE RCS – Akashi, Japan<\/strong> – Hiroki Kawabata, Satyanarayana Vuppala, Giuseppe Thadeu Freitas de Abreu and Koji Ishibashi : \u201cAnalysis of Energy Harvesting Relay Selection Using Channel Distribution Information\u201d, Proc. IEICE Conference of the Smart Radio Technical Committee, Akashi, Japan, May 28 – 29, 2015.<\/li>\n\n\n\n
                        • IEEE WCNC – New Orleans, USA<\/strong> – Samip Malla and Giuseppe Thadeu Freitas de Abreu: \u201cTransmission Strategies Under Imperfect Instantaneous CSIT\u201d, Proc. IEEE Wireless Communications and Networking Conference, (WCNC 2015), March 9-12, 2015.<\/li>\n\n\n\n
                        • IEEE WPNC – Dresden, Germany<\/strong> – Best Paper Award – Samuel van de Velde, Giuseppe Thadeu Freitas de Abreu and Heidi Steenkamp: \u201cBayesian CRLB for hybrid ToA and DoA based wireless localization with anchor uncertainty,\u201d Proc. IEEE Workshop on Positioning Navigation and Communication, (WPNC 2015), March 11-12, 2015.<\/li>\n\n\n\n
                        • IEEE WPNC – Dresden, Germany<\/strong> – Omotayo Oshiga and Giuseppe Thadeu Freitas de Abreu: \u201cEfficient Slope Sampling Ranging and Trilateration Techniques for Wireless Localization,\u201d Proc. IEEE Workshop on Positioning Navigation and Communication, (WPNC 2015), March 11-12, 2015.<\/li>\n\n\n\n
                        • IEICE Communications Society Conference – Kusatsu, Japan<\/strong> – Shun Ogata, Giuseppe Thadeu Freitas de Abreu and Koji Ishibashi, : \u201cTarget Degree Distribution Optimization Using Density Evolution for Frameless ALOHA\u201d, Proc. IEICE Communications Society IEICE General Conference 2015, Kusatsu, Japan, March 10-13, 2015.<\/li>\n\n\n\n
                        • IEICE Communications Society Conference – Kusatsu, Japan<\/strong> – Hiroki Kawabata, Vuppala Satyanarayana, Giuseppe Thadeu Freitas de Abreu and Koji Ishibashi, : \u201cA Study on Energy Harvesting Relay Selection Using Channel Distribution Information\u201d, Proc. IEICE Communications Society IEICE General Conference 2015, Kusatsu, Japan, March 10-13, 2015.<\/li>\n\n\n\n
                        • IEICE Radio RCS – Tokyo, Japan <\/strong>– Shun Ogata, Giuseppe Thadeu Freitas de Abreu and Koji Ishibashi, : \u201cOptimization of the Target Degree of Frameless ALOHA\u201d, Proc. IEICE Conference of the Radio Communication Systems Society, March 4, 2015.<\/li>\n\n\n\n
                        • IEICE RCS – Tokyo, Japan<\/strong> – Naoki Takeishi, Giuseppe Thadeu Freitas de Abreu and Koji Ishii: \u201cDistributed Multi-Dimensional Spatially Coupled Repeat-Accumulate Codes,\u201d Proc. IEICE Conference of the Radio Communication Systems Society, March 4, 2015.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n

                          2014<\/h2>\n\n\n\n
                          \n
                          \n
                            \n
                          • Jacobs University Bremen<\/strong> – Giuseppe Thadeu Freitas de Abreu and Samip Malla: \u201cMethod to Optimize Transmit Power in Cellular System,\u201d IPR-20123, February 2014.<\/li>\n\n\n\n
                          • Jacobs University Bremen<\/strong> – Stefano Severi and Giuseppe Thadeu Freitas de Abreu: \u201cMethod to Generate Encryption Key for Short-range Communications,\u201d IPR-20122, February 2014.<\/li>\n\n\n\n
                          • IEEE PIMRC – Washington DC, USA<\/strong> – Weigang Liu, Satyanarayana Vuppala, Giuseppe Thadeu Freitas de Abreu and Tharmalingam Ratnarajah: \u201cSecrecy Outage in Correlated Nakagami-m Fading,\u201d Proc. IEEE Personal Indoor Mobile Radio Communications (PIMRC 2014), September 2-5, 2014.<\/li>\n\n\n\n
                          • IEEE Asilomar CSSC – Monterey, USA<\/strong> – Best Paper – Comm. Syst. Track – Satyanarayana Vuppala, Weigang Liu, Tharmalingam Ratnarajah and Giuseppe Thadeu Freitas de Abreu: \u201cSecrecy Outage Analysis of Cognitive Wireless Networks,\u201d Proc. IEEE Fourty-Eigth Asilomar Conference on Signals, Systems and Computers, (Asilomar 2014), November 2-5, 2014.<\/li>\n\n\n\n
                          • IEEE Asilomar CSSC – Monterey, USA<\/strong> – Alireza Ghods, Stefano Severi, Giuseppe Thadeu Freitas de Abreu, Samuel van de Velde and Heidi Steemkamp: \u201cOn the Structural Nature of Cooperation in Distributed Network Localization,\u201d Proc. IEEE Fourty-Eigth Asilomar Conference on Signals, Systems and Computers, (Asilomar 2014), November 2-5, 2014.<\/li>\n\n\n\n
                          • IEEE Asilomar CSSC – Monterey, USA<\/strong> – Omotayo Oshiga and Giuseppe Thadeu Freitas de Abreu: \u201cDesign of Orthogonal Golomb Rulers with Applications in Wireless Localization,\u201d Proc. IEEE Fourty-Eigth Asilomar Conference on Signals, Systems and Computers, (Asilomar 2014), November 2-5, 2014.<\/li>\n\n\n\n
                          • IEEE ISWCS – Barcelona, Spain<\/strong> – Omotayo Oshiga and Giuseppe Thadeu Freitas de Abreu: \u201cAnalysis of Wireless Localization with Golomboptimized Multipoint Ranging,\u201d Proc. IEEE International Symposium on Wireless Communication Systems , August 26-29, 2014.<\/li>\n\n\n\n
                          • EuCNC – Bologna, Italy<\/strong> – Stefano Severi, Francesco Sottile, Giuseppe Thadeu Freitas de Abreu, Clausio Pastrone, Maurizio Spirito and Friedbert Berens: \u201cM2M Technologies: Enablers for a Pervasive Internet of Things,\u201d Proc. European Conference on Networks and Communications 2014, (EuCNC 2014), June 23 – 26, 2014.<\/li>\n\n\n\n
                          • IEEE SAM – A Coru\u00f1a, Spain<\/strong> – Jo\u00e3o Paulo Miranda, Boris Galkin, Giuseppe Thadeu Freitas de Abreu and Luiz DaSilva: \u201cExperimental Assessment of Eigenvalue-based Detection for Cognitive Radio,\u201d Proc. IEEE Sensor Array and Multichannel Signal Processing Workshop, (SAM 2014), June 22-25, 2014.<\/li>\n\n\n\n
                          • IEEE ISIT – Hawaii, USA <\/strong>– Jhanak Parajuli and Giuseppe Thadeu Freitas de Abreu: \u201cA Space-Time TX Scheme for Multicell MISO-IC with Delayed CSIT,\u201d Proc. IEEE International Symposium on Information Theory, (ISIT 2014), June 29 – July 4, 2014.<\/li>\n\n\n\n
                          • IEEE ICASSP – Florence, Italy<\/strong> – Koji Ishibashi and Giuseppe Thadeu Freitas de Abreu: \u201cAnalysis of RF Energy Harvesting in Large Networks Using Absorption Function,\u201d Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing, (ICASSP 2014), May 4-7, 2014.<\/li>\n\n\n\n
                          • IEEE VTC – Seoul, Korea<\/strong> – Samuel van de Velde, Giuseppe Thadeu Freitas de Abreu and Heidi Steendam: \u201cFrame Theory and Optimal Anchor Geometries in Wireless Localization,\u201d Proc. IEEE Vehicular Technology Conference, (VTC Spring – 2014), May 18-21, 2014.<\/li>\n\n\n\n
                          • IEEE WCNC – Istanbul, Turkey<\/strong> – Stefano Severi, Giuseppe Thadeu Freitas de Abreu, Gianni Pasolini and Davide Dardari: \u201cA Secret Key Exchange Scheme For Near Field Communication,\u201d Proc. IEEE Wireless Communications and Networking Conference, (WCNC 2014), April 6-9, 2014.<\/li>\n\n\n\n
                          • IEEE WCNC – Istanbul, Turkey<\/strong> – Omotayo Oshiga, Stefano Severi and Giuseppe Thadeu Freitas de Abreu: \u201cOptimized Super-Resolution Ranging over ToA Measurements,\u201d Proc. IEEE Wireless Communications and Networking Conference, (WCNC 2014), April 6-9, 2014.<\/li>\n\n\n\n
                          • IEEE WF-IoT – World Forum on Internet of Things, Seoul, Korea<\/strong> – Davide Macagnano, Giuseppe Destino and Giuseppe Thadeu Freitas de Abreu: \u201cIndoor positioning: A key enabling technology for IoT applications,\u201d Proc. IEEE World Forum on Internet of Things, 2014.<\/li>\n\n\n\n
                          • IEEE WF-IoT – World Forum on Internet of Things, Seoul, Korea<\/strong> – Davide Macagnano, Giuseppe Destino and Giuseppe Thadeu Freitas de Abreu: \u201cLocalization with heterogeneous information,\u201d Proc. IEEE World Forum on Internet of Things, 2014.<\/li>\n\n\n\n
                          • White Pp. 3 European Commission – Information Society Media<\/strong> – Gianmarco Baldini, Maria Chiara Talacchini, Trevor Peirce, Marcus Handte, Domenico Rotondi, Henrich C. P\u00f6hls, Ovidiu Vermesan, Atta Baddii, Bertrand Copigneaux, Daniel Schreckling, Luca Vigano, Gary Steri, Salvatore Piccione, Panagiotis Vlacheas, Vera Stavroulaki, Dimitris Kelaidonis, Ricardo Neisse, Elias Tragos, Philippe Smadja, Christine Hennebert, Martin Serrano, Stefano Severi, Giuseppe Thadeu Freitas de Abreu, Alberto Mart\u00ednez, Arantxa Renter\u00eda: \u201cIoT Governance, Privacy and Security Issues,\u201d in European Commission – Information Society Media (White Paper)<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n

                            2013<\/h2>\n\n\n\n
                            \n
                            \n
                              \n
                            • IEEE Transactions on Wireless Communications<\/strong> – Davide Macagnano and Giuseppe Thadeu Freitas de Abreu: \u201cAlgebraic Approach for Robust Localization with Heterogeneous Information,\u201d IEEE Transactions on Wireless Communications, vol. 12, no. 10, Oct. 2013.<\/li>\n\n\n\n
                            • IEEE Transactions on Information Forensics and Security<\/strong> – Satyanarayana Vuppala and Giuseppe Thadeu Freitas de Abreu: \u201cUnicasting on the Secrecy Graph,\u201d IEEE Transactions on Information Forensics and Security, vol. 8 ,no. 9, 1469 – 1481, September 2013.<\/li>\n\n\n\n
                            • IEEE Transactions on Wireless Communications <\/strong>– Jos\u00e9 C\u00e2ndido Silveira Santos Filho, Bernardo Vieira Teixeira, Michel Daoud Yacoub and Giuseppe Thadeu Freitas de Abreu: \u201cThe RM2 Nakagami Fading Channel Simulator\u201d IEEE Transactions on Wireless Communications, vol. 12, no. 5, 2323 – 2333, May 2013.<\/li>\n\n\n\n
                            • MT-ITS – Dresden, Germany<\/strong> – Alireza Ghods, Stefano Severi and Giuseppe Thadeu Freitas de Abreu: \u201cLocation Forwarding for Dense Urban Environments,\u201d Proc. Models and Technologies for Intelligent Transportation Systems 2013, (MT-ITS 2013), December 2-4, 2013.<\/li>\n\n\n\n
                            • IEEE Asilomar CSSC – Monterey, USA <\/strong>– Davide Macagnano, Giuseppe Destino and Giuseppe Thadeu Freitas de Abreu: \u201cEnhanced Edge Kernel Estimation for Robust Positioning,\u201d Proc. IEEE Fourty-Seventh Asilomar Conference on Signals, Systems and Computers, (Asilomar 2013), November 3-6, 2013.<\/li>\n\n\n\n
                            • IEEE Asilomar CSSC – Monterey, USA<\/strong> – Jani Saloranta, Davide Macagnano and Giuseppe Thadeu Freitas de Abreu: \u201cAlgebraic Confidence in Positioning Problems,\u201d Proc. IEEE Fourty-Seventh Asilomar Conference on Signals, Systems and Computers, (Asilomar 2013), November 3-6, 2013.<\/li>\n\n\n\n
                            • IEEE Asilomar CSSC – Monterey, USA<\/strong> – Gianni Pasolini, Davide Dardari and Giuseppe Thadeu Freitas de Abreu: \u201cThe Effect of Channel Spatial Correlation on Physical Layer Security in Multi-antenna Scenarios,\u201d Proc. IEEE Fourty-Seventh Asilomar Conference on Signals, Systems and Computers, (Asilomar 2013), November 3-6, 2013.<\/li>\n\n\n\n
                            • IEEE Asilomar CSSC – Monterey, USA<\/strong> – Satyanarayana Vuppala and Giuseppe Thadeu Freitas de Abreu: \u201cSecrecy Transmission Capacity of Random Networks,\u201d Proc. IEEE Fourty-Seventh Asilomar Conference on Signals, Systems and Computers, (Asilomar 2013), November 3-6, 2013.<\/li>\n\n\n\n
                            • IEEE PIMRC – London, UK<\/strong> – Satyanarayana Vuppala and Giuseppe Thadeu Freitas de Abreu: \u201cSecrecy Outage in Random Wireless Networks subjected to Fading,\u201d in Proc. IEEE Personal Indoor Mobile Radio Communications (PIMRC 2013), September 8-11 2013.<\/li>\n\n\n\n
                            • IEEE WPNC – Dresden, Germany<\/strong> – Omotayo Oshiga, Stefano Severi, Giuseppe Thadeu Freitas de Abreu: \u201cNon-parametric Estimation of Error Bounds in LOS and NLOS Environments,\u201d Proc. IEEE Workshop on Positioning Navigation and Communication, (WPNC 2013), March 20-21, 2013.<\/li>\n\n\n\n
                            • IEEE SPAWC – Darmstadt, Germany<\/strong> – Jhanak Parajuli and Giuseppe Thadeu Freitas de Abreu, \u201cInterference Alignment with Hybrid Optimization and Receiver Cooperation,\u201d Proc. IEEE International Workshop on Signal Processing Advances in Communications, (SPAWC 2013), June 16-19, 2013.<\/li>\n\n\n\n
                            • IEEE ICC – Budapest, Hungary<\/strong> – Satyanarayana Vuppala and Giuseppe Thadeu Freitas de Abreu, \u201cAnalysis of Secure Unicast Links in Stochastic Wireless Networks,\u201d Proc. IEEE International Conference on Communications – Ad-hoc and Sensor Networking Symposium, (ICC 2013), June 9-13, 2013.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n

                              2012<\/h2>\n\n\n\n
                              \n
                              \n
                                \n
                              • IEEE Transactions on Communications <\/strong>– Giuseppe Thadeu Freitas de Abreu: \u201cVery Simple Tight Bounds on the Q-function,\u201d IEEE Transactions on Communications, vol. 60, no. 9, 2415 – 2420, September 2012.<\/li>\n\n\n\n
                              • IEEE Vehicular Technology Magazine<\/strong> – Gabriel Porto Villardi, Giuseppe Thadeu Freitas de Abreu and Hiroshi Harada: \u201cTV White Space Technology: Interference in Portable Cognitive Emergency Networks\u201d IEEE Vehicular Technology Magazine – Special Issue on Applications of Cognitive Radio Networks , Vol.7, No.2, pp. 47 – 53, Jun. 2012.<\/li>\n\n\n\n
                              • IEEE Transactions on Signal Processing <\/strong>– Davide Macagnano and Giuseppe Thadeu Freitas de Abreu: \u201cAdaptive Gating for Multitarget Tracking with Gaussian Mixture Filters,\u201d IEEE Transactions on Signal Processing, vol. 60, no. 3, 1533 – 1538, March 2012<\/li>\n\n\n\n
                              • IEEE Transactions on Communications<\/strong> – Golaleh Rahmatollahi and Giuseppe Thadeu Freitas de Abreu: \u201cClosed-Form Hop-Count Distributions in Random Networks with Arbitrary Routing,\u201d IEEE Transactions on Communications, vol. 60, no. 2, 429 – 444, February 2012<\/li>\n\n\n\n
                              • IEEE Transactions on Communications<\/strong> – Wensheng Zhang, Giuseppe Thadeu Freitas de Abreu, Mamiko Inamori and Yukitoshi Sanada: \u201cSpectrum Sensing Algorithms via Finite Random Matrices,\u201d IEEE Transactions on Communications, vol. 60, no. 1, 164 – 175, January<\/li>\n\n\n\n
                              • International Journal of Wireless Information Networks<\/strong> – Davide Macagnano, Giuseppe Destino and Giuseppe Thadeu Freitas de Abreu: \u201cA Comprehensive Tutorial on Localization: Algorithms and Performance Analysis Tools\u201d Springer Intl. Journal of Wireless Inform. Networks – Special Issue for the IEEE Personal Indoor Mobile Radio Communications Conference 2011, July 2012.<\/li>\n\n\n\n
                              • IEEE Asilomar CSSC – Monterey, USA<\/strong> – Best Paper – Comm. Syst. Track – Satyanarayana Vuppala and Giuseppe Thadeu Freitas de Abreu: \u201cUnicasting on the S-Graph,\u201d Proc. IEEE FourtySixth Asilomar Conference on Signals, Systems and Computers, (Asilomar 2012), November 4-7, 2012.<\/li>\n\n\n\n
                              • IEEE Asilomar CSSC – Monterey, USA<\/strong> – Jani Saloranta, Stefano Severi, Davide Macagnano and Giuseppe Thadeu Freitas de Abreu: \u201cSensor Localization with Algebraic Confidence,\u201d Proc. IEEE Fourty-Sixth Asilomar Conference on Signals, Systems and Computers, (Asilomar 2012), November 4-7, 2012.<\/li>\n\n\n\n
                              • IEEE WPNC – Dresden, Germany<\/strong> – Simona Poilinca, Stefano Severi, Giuseppe Thadeu Freitas de Abreu and Davide Macagnano: \u201cImproved localization of Ultra-Wideband devices using Kalman Filter on super MDS estimated positions,\u201d Proc. IEEE Workshop on Positioning Navigation and Communication, (WPNC 2012), March 15-16, 2012.<\/li>\n\n\n\n
                              • IEEE WPNC – Dresden, Germany<\/strong> – Best Paper Award – Jani Saloranta, Davide Macagnano and Giuseppe Thadeu Freitas de Abreu: \u201cInterval-Scaling for Multitarget Localization,\u201d Proc. IEEE Workshop on Positioning Navigation and Communication, (WPNC 2012), March 15-16, 2012.<\/li>\n\n\n\n
                              • IEEE IWSSIP – Vienna, Austria <\/strong>– Stefano Severi, Giuseppe Thadeu Freitas de Abreu and Davide Dardari: \u201cDistributed Localization: Multihop Versus Message-Passing,\u201d Proc. IEEE International Workshop on Systems, Signals and Image Processing (IWSSIP 2012), 11 – 13 April, 2012.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n

                                2011<\/h2>\n\n\n\n
                                \n
                                \n
                                  \n
                                • Book Ch. 4 InTech Publishers \u2013 Communications and Networking<\/strong> – Giuseppe Destino and Giuseppe Thadeu Freitas de Abreu \u201cNovel Mechanisms for Location-Tracking Systems,\u201d in Ultra Wideband Communications: Novel Trends, InTech Publishers, Aug. 2011, ISBN 978-953-307-324-8.<\/li>\n\n\n\n
                                • IEEE Transactions on Signal Processing<\/strong> – Giuseppe Destino and Giuseppe Thadeu Freitas de Abreu: \u201cOn the Maximum Likelihood Approach for Source and Network Localization,\u201d IEEE Transactions on Signal Processing, vol. 59, no. 10, pp. 4954 – 4970, Oct. 2011.<\/li>\n\n\n\n
                                • IEEE Asilomar CSSC – Monterey, USA <\/strong>– Davide Macagnano and Giuseppe Thadeu Freitas de Abreu: \u201cSuper MDS with Heterogeneous Information,\u201d Proc. IEEE Fourty-Fifth Asilomar Conference on Signals, Systems and Computers, (Asilomar 2011), November 6-9, 2011.<\/li>\n\n\n\n
                                • IEEE Asilomar CSSC – Monterey, USA<\/strong> – Golaleh Rahmatollahi, Giuseppe Thadeu Freitas de Abreu and Stefano Severi: \u201cCooperative Multihop Localization with Privacy,\u201d Proc. IEEE Fourty-Fifth Asilomar Conference on Signals, Systems and Computers, (Asilomar 2011), November 6-9, 2011.<\/li>\n\n\n\n
                                • IEEE Asilomar CSSC – Monterey, USA<\/strong> – Giuseppe Thadeu Freitas de Abreu and Wensheng Zhang: \u201cExtreme 1value Distributions of Finite Random Wishart Matrices with Application to Spectrum Sensing,\u201d Proc. IEEE Fourty-Fifth Asilomar Conference on Signals, Systems and Computers, (Asilomar 2011), November 6-9, 2011.<\/li>\n\n\n\n
                                • IEEE CTW – Sitges, Spain<\/strong> – Davide Macagnano and Giuseppe Thadeu Freitas de Abreu: \u201cOn the Spectrum of Perturbed Gramian Matrices,\u201d Proc. IEEE Communication Theory Workshop (CTW 2011), June 20-22, 2011.<\/li>\n\n\n\n
                                • IEEE CTW – Sitges, Spain<\/strong> – Wensheg Zhang, Giuseppe Thadeu Freitas de Abreu, Mamiko Inamori and Yukitoshi Sanada: \u201cOn the Exact Distributions of Extreme Eigenvalues of Finite Random Wishart Matrix,\u201d Proc. IEEE Communication Theory Workshop (CTW 2011), June 20-22, 2011.<\/li>\n\n\n\n
                                • PIEEE CTW – Sitges, Spain<\/strong> – Giuseppe Destino and Giuseppe Thadeu Freitas de Abreu: \u201cAnalysis of the Maximum-Likelihood Performance in the Mobile Positioning Problem,\u201d Proc. IEEE Communication Theory Workshop (CTW 2011), June 20-22, 2011.<\/li>\n\n\n\n
                                • IEEE CTW – Sitges, Spain<\/strong> – Stefano Severi, Giuseppe Destino and Giuseppe Thadeu Freitas de Abreu: \u201cDistributed Multihop Localization: An Energy-Efficient Approach,\u201d Proc. IEEE Communication Theory Workshop (CTW 2011), June 20-22, 2011.<\/li>\n\n\n\n
                                • IEEE ICUWB – Bologna, Italy <\/strong>– Davide Macagnano, Giuseppe Destino and Giuseppe Thadeu Freitas de Abreu: \u201cHybrid Initialization for Nonconvex Network Localization Problems,\u201d Proc. IEEE International Conference on Ultra-Wideband (ICUWB 2011), September 14-16, 2011.<\/li>\n\n\n\n
                                • IEEE WPNC – Dresden, Germany<\/strong> – Jani Saloranta and Giuseppe Thadeu Freitas de Abreu: \u201cSolving the fast moving vehicle localization problem via TDOA algorithms,\u201d Proc. IEEE Workshop on Positioning Navigation and Communication, (WPNC 2011), March 7-8, 2011.<\/li>\n\n\n\n
                                • IEEE WPNC – Dresden, Germany<\/strong> – Davide Macagnano and Giuseppe Thadeu Freitas de Abreu: \u201cMultitarget Tracking with the Cubature Kalman CPHD Filter,\u201d Proc. IEEE Workshop on Positioning Navigation and Communication, (WPNC 2011), March 7-8, 2011.<\/li>\n\n\n\n
                                • IEEE WPNC – Dresden, Germany <\/strong>– Stefano Severi, Giuseppe Thadeu Freitas de Abreu and Davide Dardari: \u201cMultihop versus Message-Passing: a Complexity and Accuracy Comparison for Distributed Localization,\u201d Proc. IEEE Workshop on Positioning Navigation and Communication, (WPNC 2011), March 7-8, 2011.<\/li>\n\n\n\n
                                • IEEE CROWNCOM – Yokohama, Japan<\/strong> – Gabriel Porto Villardi, Giuseppe Thadeu Freitas de Abreu and Hiroshi Harada, \u201cStochastic-Geometric Model of Expected Service Area for Cognitive TV White Space Wireless Networks,\u201d Proc. IEEE Conference on Cognitive Radio Oriented Wireless Networks, (CROWNCOM 2011), 31 May – 3 June, 2011.<\/li>\n\n\n\n
                                • IEEE ICC – Kyoto, Japan<\/strong> – Giuseppe Thadeu Freitas de Abreu, Wensheng Zhang and Yukitoshi Sanada, \u201cSpectrum Sensing Algorithms via Finite Random Matrix Theory,\u201d Proc. IEEE International Conference on Communications – Cognitive Radio and Networks Symposium, (ICC 2011), June 5-9, 2011.<\/li>\n\n\n\n
                                • White Pp. 2 Seventh Framework Programme <\/strong>– Ana Maria Sierra Diaz, Andrey Somov, Antti Anttonen, Axel Schmidt, Davide Dardari, Dejan Rakic, Emil Dimitrov, Giuseppe Thadeu Freitas de Abreu, Giuseppe Destino, Hartmut Dunger, Hrjehor Mark, Isabelle Bucaille, Jordi Sabater, Kai Dombrowski, Manuel Pezzin, Markus Wehner, Pejman Hafezi, Peter Jung, Peter Trapps, Rahim Biswas, Rudolf Zetik, Sergio Bovelli, Sithamparanathan Kandeepan, Srdjan Tadic, Stefan Gaier, Sven Zeisberg, Ute Pfeiffer:\u201c Ultra-Widebad: Past, Present and Future.\u201d<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n

                                  2010<\/h2>\n\n\n\n
                                  \n
                                  \n
                                    \n
                                  • Book Ch. 3 Intech Publishers \u2013 Communications and Networking<\/strong> – Giuseppe Thadeu Freitas de Abreu, Giuseppe Destino and Davide Macagnano \u201cData-Processing and Optimization Methods for Localization-Tracking Systems,\u201d in Communications and Networking, Intech Publishers, Sep. 2010, ISBN 978-953-307-114-5<\/li>\n\n\n\n
                                  • IEEE Transactions on Signal Processing<\/strong> – Davide Macagnano and Giuseppe Thadeu Freitas de Abreu: \u201cGershgorin Analysis of Random Gramian Matrices with Application to MDS Tracking,\u201d IEEE Transactions on Signal Processing, vol. 59, no. 4, pp. 1785 – 1800, April 2010.<\/li>\n\n\n\n
                                  • IEEE Transactions on Communications <\/strong>– Giuseppe Thadeu Freitas de Abreu: \u201cOn the Moment-Determinance and Random Mixture of Nakagami-m Variates,\u201d IEEE Transactions on Communications, vol. 58, no. 9, pp. 2561 – 2575, September 2010.<\/li>\n\n\n\n
                                  • IEEE Transactions on Consumer Electronics <\/strong>– Gabriel Porto Villardi, Giuseppe Thadeu Freitas de Abreu, Hiroshi Harada and Ryuji Kohno: \u201cSTBCs with Orthogonal Decoder for Highly Time-Selective Channels\u201d IEEE Transactions on Consumer Elec., vol. 56, no.2, pp. 380 – 387, May 2010.<\/li>\n\n\n\n
                                  • Symposium of IEICE Societies (Fall) – Tokyo, Japan<\/strong> – Wensheng Zhang, Mamiko Inamori, Yukitoshi Sanada and Giuseppe Thadeu Freitas de Abreu: \u201cBlind Spectrum Sensing Based on the Demmel Condition Number of Complex Wishart Matrices,\u201d Symposium of the IEICE Society on Fundamentals of Electronics, Communications and Computer Science, Tokyo, Japan, September 14-17, 2010.<\/li>\n\n\n\n
                                  • IEEE Asilomar CSSC – Monterey, USA<\/strong> – Giuseppe Thadeu Freitas de Abreu, Wensheng Zhang and Yukitoshi Sanada, \u201cFinite Random Matrices for Blind Spectrum Sensing,\u201d Proc. IEEE Fourty-Fourth Asilomar Conference on Signals, Systems and Computers, (Asilomar 2010), November 7-10, 2010.<\/li>\n\n\n\n
                                  • IEEE Asilomar CSSC – Monterey, USA<\/strong> – Golaleh Rahmatollahi and Giuseppe Thadeu Freitas de Abreu: \u201cRouting Policy-Dependent Hop-Count Distribution in Wireless Ad Hoc Networks,\u201d Proc. IEEE Fourty-Fourth Asilomar Conference on Signals, Systems and Computers, (Asilomar 2010), November 7-10, 2010.<\/li>\n\n\n\n
                                  • IEEE Asilomar CSSC – Monterey, USA <\/strong>– Davide Macagnano and Giuseppe Thadeu Freitas de Abreu: \u201cMultitarget Tracking with the Cubature Kalman Probability Hypothesis Density Filter,\u201d Proc. IEEE Fourty-Fourth Asilomar Conference on Signals, Systems and Computers, (Asilomar 2010), November 7-10, 2010.<\/li>\n\n\n\n
                                  • IEEE Asilomar CSSC – Monterey, USA<\/strong> – Davide Macagnano and Giuseppe Thadeu Freitas de Abreu: \u201cStatistical Spectral Analysis of Random Gramian Matrices,\u201d Proc. IEEE Fourty-Fourth Asilomar Conference on Signals, Systems and Computers, (Asilomar 2010), November 7-10, 2010.<\/li>\n\n\n\n
                                  • IEEE Chinacom – Beijing, China<\/strong> – Qiang Xue and Giuseppe Thadeu Freitas de Abreu: \u201cMutual Information of Amplify-and-Forward Relaying with Partial Relay Selection,\u201d Proc. IEEE 5th International ICST Conference on Communications and Networking in China, (Chinacom 2010), August 25-27, 2010.<\/li>\n\n\n\n
                                  • IEEE SPAWC – Marrakech, Morocco<\/strong> – Qiang Xue and Giuseppe Thadeu Freitas de Abreu: \u201cOptimization of Mutual Information of Amplify-and-Forward DSTBCs over the Random Set Relay Channel,\u201d Proc. IEEE Signal Processing Advances in Wireless Communications, (SPAWC 2010), June 20-23, 2010.<\/li>\n\n\n\n
                                  • IEEE WPNC – Dresden, Germany <\/strong>– Golaleh Rahmatollahi and Giuseppe Thadeu Freitas de Abreu: \u201cPolicy-dependent Multi-hop Distances in Linear Ad Hoc Networks,\u201d Proc. IEEE Workshop on Positioning Navigation and Communication, (WPNC 2010), March 11, 2010.<\/li>\n\n\n\n
                                  • IEEE WPNC – Dresden, Germany<\/strong> – Davide Macagnano and Giuseppe Thadeu Freitas de Abreu: \u201cGershgorin Discs of Gramian Matrices for Target Tracking,\u201d Proc. IEEE Workshop on Positioning Navigation and Communication, (WPNC 2010), March 11, 2010.<\/li>\n\n\n\n
                                  • IEEE WPNC – Dresden, Germany<\/strong> – Giuseppe Destino and Giuseppe Thadeu Freitas de Abreu: \u201cImproving Source Localization in NLOS Conditions via Ranging Contraction,\u201d Proc. IEEE Workshop on Positioning Navigation and Communication, (WPNC 2010), March 11, 2010.<\/li>\n\n\n\n
                                  • IEEE WPNC – Dresden, Germany<\/strong> – Stefano Severi, Giuseppe Thadeu Freitas de Abreu and Davide Dardari: \u201cA Quantitative Comparison of Multihop Localization Algorithms,\u201d Proc. IEEE Workshop on Positioning Navigation and Communication, (WPNC 2010), March 11, 2010.<\/li>\n\n\n\n
                                  • White Pp. 1 eMobility Technology Platform<\/strong> – Behnaam Aazhang, Giuseppe Thadeu Freitas de Abreu, Ulrico Celentano, Marian Codreanu, Sudhir Dixit, Markku Juntti, Matti Latva-aho, Wei Li, Anna Pantelidou, Rahim Tafazolli: \u201cBroadband Mobile Systems,\u201d in eMobility Technology Platform – Expert Working Group EWG6 (White Paper) http:\/\/www.emobility.eu.org\/SRA\/Documents\/eMOB_Broadband_WHITE_PAPER.pdf<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n

                                    2009<\/h2>\n\n\n\n
                                    \n
                                    \n
                                      \n
                                    • IEEE Transactions on Communications <\/strong>– Giuseppe Thadeu Freitas de Abreu: \u201cJensen-cotes upper and lower bounds on the gaussian Q-function and related functions,\u201d IEEE Transactions on Communications, vol. 57, no. 11, pp. 3328 – 3338, September, 2009.<\/li>\n\n\n\n
                                    • IEEE Transactions on Wireless Communications <\/strong>– Giuseppe Destino and Giuseppe Thadeu Freitas de Abreu: \u201cWeighing Strategy for Network Localization under Scarce Ranging Information,\u201d IEEE Transactions on Wireless Communications, vol. 8, no. 7, pp. 3668 – 3678, June 2009.<\/li>\n\n\n\n
                                    • IEEE Transactions on Wireless Communications<\/strong> – Behrouz Maham, Are Hj\u00f8rungnes and Giuseppe Thadeu Freitas de Abreu: \u201cDistributed GABBA Space-Time Codes in Amplify-and-Forward Relay Networks,\u201d IEEE Transactions on Wireless Communications, vol. 8, no. 4, pp. 2036 – 2045, April 2009.<\/li>\n\n\n\n
                                    • IEEE Asilomar CSSC – Monterey, USA <\/strong>– Giuseppe Thadeu Freitas de Abreu: \u201cSuper-tight Algebraic Bounds on Q(x),\u201d Proc. IEEE Fourty-Third Asilomar Conference on Signals, Systems and Computers, (Asilomar 2009), November 1-4, 2009.<\/li>\n\n\n\n
                                    • IEEE Asilomar CSSC – Monterey, USA <\/strong>– Best Paper – Signal Proc. Track – Giuseppe Destino and Giuseppe Thadeu Freitas de Abreu: \u201cReformulating the Least-Square Source Localization Problem with Contracted Distances,\u201d Proc. IEEE Fourty-Third Asilomar Conference on Signals, Systems and Computers, (Asilomar 2009), November 1-4, 2009.<\/li>\n\n\n\n
                                    • IEEE Asilomar CSSC – Monterey, USA<\/strong> – Stefano Severi, Giuseppe Thadeu Freitas de Abreu, Giuseppe Destino and Davide Dardari: \u201cEfficient and Accurate Localization in Multihop Networks,\u201d Proc. IEEE Fourty-Third Asilomar Conference on Signals, Systems and Computers, (Asilomar 2009), November 1-4, 2009.<\/li>\n\n\n\n
                                    • IEEE Globecom – Honolulu, USA<\/strong> – Pedro Nardelli and Giuseppe Thadeu Freitas de Abreu: \u201cOn Hopping Strategies for Autonomous Wireless Networks,\u201d Proc. IEEE Global Conference on Telecommunications (Globecom 2009), 30 November 30th – 4 December, 2009.<\/li>\n\n\n\n
                                    • IEEE Globecom – Honolulu, USA<\/strong> – Stefano Severi, Giuseppe Thadeu Freitas de Abreu, Giuseppe Destino and Davide Dardari: \u201cUnderstanding and Solving Flip-Ambiguity in Network Localization via Semidefinite Programming,\u201d Proc. IEEE Global Conference on Telecommunications (Globecom 2009), 30 November 30th – 4 December, 2009.<\/li>\n\n\n\n
                                    • IEEE PIMRC – Tokyo, Japan<\/strong> – Giuseppe Destino and Giuseppe Thadeu Freitas de Abreu: \u201cAdvanced Location-Tracking Systems in Home, Automotive and Public Transportation Environments,\u201d in Proc. IEEE Personal Indoor Mobile Radio Communications (PIMRC 2009), September 13-16, 2009.<\/li>\n\n\n\n
                                    • IEEE PIMRC – Tokyo, Japan <\/strong>– Davide Macagnano and Giuseppe Thadeu Freitas de Abreu: \u201cWeighting Strategy for MDS Tracking in LoS Conditions,\u201d in Proc. IEEE Personal Indoor Mobile Radio Communications (PIMRC 2009), September 13-16, 2009.<\/li>\n\n\n\n
                                    • IEEE ICC – Dresden, Germany<\/strong> – Giuseppe Thadeu Freitas de Abreu: \u201cArbitrarily Tight Bounds on the Gaussian Q-function and Related Functions,\u201d Proc. IEEE International Conference on Communications – Communication Theory Symposium (ICC 2009), June 14-18, 2009.<\/li>\n\n\n\n
                                    • IEEE ICC – Dresden, Germany <\/strong>– Pedro Nardelli, Giuseppe Thadeu Freitas de Abreu and Paulo Cardieri: \u201cMulti-Hop Aggregate Information Efficiency in Wireless Ad Hoc Networks,\u201d Proc. IEEE International Conference on Communications – Communication Theory Symposium, June 14-18, 2009.<\/li>\n\n\n\n
                                    • IEEE ICC – Dresden, Germany <\/strong>– Giuseppe Destino and Giuseppe Thadeu Freitas de Abreu: \u201cSolving the Source Localization Problem via Global Distance Continuation,\u201d Proc. IEEE International Conference on Communications – Workshop on Synergies in Communications and Localization (ICC 2009), June 14-18, 2009.<\/li>\n\n\n\n
                                    • IEEE ITW – Volos, Greece<\/strong> – Qiang Xue, Giuseppe Thadeu Freitas de Abreu and Behnaam Aazhang: \u201cMutual Information of AF-DSTBCs over the Random Set Relay Channel,\u201d Proc. IEEE Information Theory Workshop (ITW 2009) June 10-12, 2009.<\/li>\n\n\n\n
                                    • IEEE ITW – Volos, Greece <\/strong>– Carlos Lima and Giuseppe Thadeu Freitas de Abreu: \u201cAnalysis of Contention-based Relay Selection Mechanisms in Autonomous Multi-hop Networks,\u201d Proc. IEEE Information Theory Workshop (ITW 2009) June 10-12, 2009.<\/li>\n\n\n\n
                                    • IEEE WCNC – Budapest, Hungary<\/strong> – Davide Macagnano and Giuseppe Thadeu Freitas de Abreu: \u201cImproved MDS-based Muti-target Tracking Algorithm\u201d Proc. IEEE Wireless Communications and Networking Conference (WCNC 2009), Budapest, Hungary, April 5-8, 2009.<\/li>\n\n\n\n
                                    • IEEE WPNC – Hannover, Germany <\/strong>– Golaleh Rahmatollahi, Maria Guirao, Pedro Nardelli and Giuseppe Thadeu Freitas de Abreu: \u201cAggregate Information Efficiency in IR-UWB Ad-Hoc Single-Hop WSNs,\u201d Proc. IEEE Workshop on Positioning, Navigation and Communication (WPNC 2009), March 19, 2009.<\/li>\n\n\n\n
                                    • IEEE WPNC – Hannover, Germany <\/strong>– Pedro H. J.Nardelli and Giuseppe Thadeu Freitas de Abreu: \u201cAnalysis of hopping strategies in multi-hop wireless networks,\u201d Proc. IEEE Workshop on Positioning, Navigation and Communication (WPNC 2009), March 19, 2009.<\/li>\n\n\n\n
                                    • IEEE WPNC – Hannover, Germany <\/strong>– Carlos H. M. Lima and Giuseppe Thadeu Freitas de Abreu: \u201cContention-based Geographic Forwarding strategies for position-centric routing,\u201d Proc. IEEE Workshop on Positioning, Navigation and Communication (WPNC 2009), March 19, 2009.<\/li>\n\n\n\n
                                    • IEEE WPNC – Hannover, Germany <\/strong>– Davide Macagnano and Giuseppe Thadeu Freitas de Abreu: \u201cA wavelet pre-filter scheme for MDS tracking,\u201d Proc. IEEE Workshop on Positioning, Navigation and Communication (WPNC 2009), March 19, 2009.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n

                                      2008<\/h2>\n\n\n\n
                                      \n
                                      \n
                                        \n
                                      • Book Ch. 2 River Publishers \u2013 4G Mobile & Wireless Communications Technologies<\/strong> – Davide Macagnano, Giuseppe Destino and Giuseppe Thadeu Freitas de Abreu: \u201cMetric Multidimensional Scaling for Localization and Tracking,\u201d in 4G Mobile & Wireless Communications Technologies, Sofoklis A. Kyriazakos, George T. Karetsos and John Soldatos (Editors), River Publishers, pp. 285-295, 2008<\/li>\n\n\n\n
                                      • IEEE Transactions on Vehicular Technologies <\/strong>– Gabriel Porto Villardi, Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cModified Orthogonal Space-Time Block Codes for Time-Selective Fading Channels\u201d IEEE Transactions on Vehicular Technologies, vol. 57, no. 6, pp. 3921-3927, November 2008.<\/li>\n\n\n\n
                                      • IEICE Transactions on Communications <\/strong>– Gabriel Porto Villardi, Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno, \u201cCumulative Decision Feedback Technique for Energy Constrained Wireless Sensor Networks\u201d, IEICE Trans. on Communications – Special Issue on Emerging Technologies for Practical Ubiquitous and Sensor Nets., Vol.E91-B, No.10, pp. 3768 – 3774, Oct. 2008.<\/li>\n\n\n\n
                                      • IEEE Transactions on Communications<\/strong> – Giuseppe Thadeu Freitas de Abreu: \u201cOn the Generation of Tikhonov Random Variates,\u201d IEEE Transactions on Communications, vol. 56, no. 7, pp. 1157-1168, July 2008.<\/li>\n\n\n\n
                                      • SITA – Kinugawa, Japan<\/strong> – Giuseppe Thadeu Freitas de Abreu: \u201cTight Upper and Lower Bounds on the Gaussian Q-function,\u201d 31st Symposium on Information Theory and Applications (SITA 2008), October 7-10, 2008.<\/li>\n\n\n\n
                                      • SITA – Kinugawa, Japan<\/strong> – Gabriel Porto Villardi, Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cPerformance of STBCs with Linear Maximum Likelihood Decoder in Time-selective Channels,\u201d 31st Symposium on Information Theory and Applications (SITA 2008), October 7-10, 2008.<\/li>\n\n\n\n
                                      • IEEE ICCS – Guangzhou, China<\/strong> – Gabriel Porto Villardi, Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cPerformance of STBCs with Linear Maximum Likelihood Decoder in Time-selective Channels,\u201d in IEEE International Conference on Communications Systems (ICCS 2008), November 19-21, 2008.<\/li>\n\n\n\n
                                      • IEEE Asilomar CSSC – Pacific Grove, U.S.A.<\/strong> – Qiang Xue, Giuseppe Thadeu Freitas de Abreu and Behnaam Aazhang: \u201cAnalysis of Amplify-and-Forward DSTBCs over the Random Set Relay Channel,\u201d Proc. IEEE Fourty-Second Asilomar Conference on Signals, Systems and Computers (Asilomar 2008), October 28-31, 2008.<\/li>\n\n\n\n
                                      • IEEE ICUWB – Hannover, Germany<\/strong> – Giuseppe Destino and Giuseppe Thadeu Freitas de Abreu: \u201cOptimized Confidence Weights for Localization Algorithms with Scarce Information,\u201d in Proc. IEEE International Conference on Ultra-Wideband (ICUWB 2008), September 10-12, 2008.<\/li>\n\n\n\n
                                      • IEEE SAM – Darmstadt, Germany<\/strong> – Behrouz Maham, Are Hj\u00f8rungnes and Giuseppe Thadeu Freitas de Abreu: \u201cDistributed GABBA Space-Time Codes with Complex Signal Constellations,\u201d in Proc. IEEE Fifth Sensor Array and Multichannel Signal Processing Workshop (SAM 2008), July 21-23, 2008.<\/li>\n\n\n\n
                                      • IEEE WCNC – Las Vegas, U.S.A.<\/strong> – Carlos Lima and Giuseppe Thadeu Freitas de Abreu: \u201cClusterization for Robust Geographic Routing in Wireless Sensor Networks,\u201d in Proc. IEEE Wireless Communications and Networking Conference – Network Track (WCNC 2008), March 31 – April 3, 2008, pp.2385 – 2390.<\/li>\n\n\n\n
                                      • WPMC – Saariselk\u00e4, Finland<\/strong> – Davide Macagnano, Jani Saloranta and Giuseppe Thadeu Freitas de Abreu: \u201cTracking Multiple Targets under Fault-Detection Conditions with Multidimensional Scaling,\u201d in Proc. Wireless Personal Multimedia Communications (WPMC 2008), September 8-11, 2008.<\/li>\n\n\n\n
                                      • WPMC – Saariselk\u00e4, Finland<\/strong> – Giuseppe Destino, Jani Saloranta and Giuseppe Thadeu Freitas de Abreu: \u201cSensor Localization in Realistic Environments using Ultra-Wideband Radios,\u201d in Proc. Wireless Personal Multimedia Communications (WPMC 2008), September 8-11, 2008.<\/li>\n\n\n\n
                                      • WPMC – Saariselk\u00e4, Finland <\/strong>– Carlos Lima and Giuseppe Thadeu Freitas de Abreu: \u201cAuction-based Relay Selection Algorithm for Positioncentric Routing,\u201d in Proc. Wireless Personal Multimedia Communications (WPMC 2008), September 8-11, 2008.<\/li>\n\n\n\n
                                      • ICT Mobile Summit – Stockholm, Sweden<\/strong> – Subayal Khan, Carlos Lima and Giuseppe Thadeu Freitas de Abreu: \u201cEvent Driven Simulation Framework for Large Scale Sensor Networks: Discovery, Relaying, Localization and Tracking,\u201d in Proc. 17th ICT Mobile & Wireless Communications Summit (ICT-Summit 2008), June 10-12, 2008.<\/li>\n\n\n\n
                                      • IEEE WPNC – Hannover, Germany<\/strong> – Giuseppe Destino and Giuseppe Thadeu Freitas de Abreu: \u201cNetwork Boundary Recognition via Graph Theory,\u201d in Proc. IEEE 5th Workshop on Positioning, Navigation and Communication (WPNC 2008), March 27, 2008.<\/li>\n\n\n\n
                                      • IEEE WPNC – Hannover, Germany <\/strong>– Carlos Lima and Giuseppe Thadeu Freitas de Abreu: \u201cGame-Theoretical Relay Selection Strategy for Geographic Routing in Multi-hop WSNs,\u201d in Proc. IEEE 5th Workshop on Positioning, Navigation and Communication (WPNC 2008), March 27, 2008.<\/li>\n\n\n\n
                                      • IEEE WPNC – Hannover, Germany<\/strong> – Davide Macagnano and Giuseppe Thadeu Freitas de Abreu: \u201cTracking Multiple Dynamic Targets in LOS\/NLOS Conditions with Multidimensional Scaling,\u201d in Proc. IEEE 5th Workshop on Positioning, Navigation and Communication (WPNC 2008), March 27, 2008.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n

                                        2007<\/h2>\n\n\n\n
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                                        • WPMC – Jaipur, India<\/strong> – Gabriel Porto Villardi, Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cCumulative Decision Feedback Techniques for Energy Constrained Wireless Sensor Networks,\u201d in Proc. Wireless Personal Multimedia Communications (WPMC 2007), December 3-6, 2007.<\/li>\n\n\n\n
                                        • IEEE Asilomar CSSC – Pacific Grove, U.S.A.<\/strong> – Giuseppe Destino, Davide Macagnano and Giuseppe Thadeu Freitas de Abreu: \u201cHypothesis Testing and Iterative WLS Minimization for WSN Localization under LOS\/NLOS Condition,\u201d in Proc. IEEE Forty-first Asilomar Conference on Signals, Systems and Computers (Asilomar 2007), November 4-7, 2007.<\/li>\n\n\n\n
                                        • IEEE PIMRC – Athens, Greece<\/strong> – Giuseppe Thadeu Freitas de Abreu: \u201cBER and Mutual Information of STBCs over Fading Channels with PSK-QAM Modulations,\u201d in Proc. IEEE Personal Indoor Mobile Radio Communications (PIMRC 2007), September 3-7, 2007.<\/li>\n\n\n\n
                                        • IEEE PIMRC – Athens, Greece <\/strong>– Davide Macagnano and Giuseppe Thadeu Freitas de Abreu: \u201cTracking Multiple Dynamic Targets with Multidimensional Scaling,\u201d in Proc. IEEE Personal Indoor Mobile Radio Communications (PIMRC 2007), September 3-7, 2007.<\/li>\n\n\n\n
                                        • IST Mobile Summit – Budapest, Hungary <\/strong>– Giuseppe Destino, Davide Macagnano, Giuseppe Thadeu Freitas de Abreu, Ben\u00f4\u00eft Denis and Laurent Ouvry : \u201cLocalization and Tracking for LDR-UWB Systems,\u201d in Proc. 16th IST Mobile & Wireless Communications Summit (IST-Summit 2007), July 1-5, 2007.<\/li>\n\n\n\n
                                        • IEEE ICC – Glasgow, Scottland <\/strong>– Giuseppe Thadeu Freitas de Abreu: \u201cOn the Simulation of Tikhonov Random Processes,\u201d in Proc. IEEE International Conference on Communications – Wireless Communications Symposium (ICC 2007), June 24-27, 2007.<\/li>\n\n\n\n
                                        • IEEE WPNC – Hannover, Germany <\/strong>– Giuseppe Destino, Davide Macagnano, Giuseppe Thadeu Freitas de Abreu: \u201cA Clusterized WLS Localization Algorithm for Large Scale WSNs,\u201d in Proc. IEEE 4th Workshop on Positioning, Navigation and Communication (WPNC 2007), March 22, 2007.<\/li>\n\n\n\n
                                        • IEEE WPNC – Hannover, Germany <\/strong>– Davide Macagnano, Giuseppe Destino, Flavio Esposito and Giuseppe Thadeu Freitas de Abreu: \u201cMAC Performances for Localization and Tracking in Wireless Sensor Networks,\u201d in Proc. IEEE 4th Workshop on Positioning, Navigation and Communication (WPNC 2007), March 22, 2007.<\/li>\n\n\n\n
                                        • IEEE WCNC – Hong-Kong, China<\/strong> – Giuseppe Thadeu Freitas de Abreu and Giuseppe Destino: \u201cSuper MDS – Source Location from Distance and Angle Information,\u201d in Proc. IEEE Wireless Communications and Networking Conference – Network Track (WCNC 2007), March 11-15, 2007.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n
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                                          We\u2019ve worked with some of the best companies.<\/p>\n\n\n\n

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                                          2006<\/h2>\n\n\n\n
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                                          • Book Ch. 1 John Wiley \u2013 Ultra-Wideband Wireless Communications and Networks<\/strong> – Kegen Yu, Harri Saarnisaari, Jean-Philippe Montillet, Alberto Rabbachin, Ian Oppermann and Giuseppe Thadeu Freitas de Abreu: \u201cLocalization,\u201d in Ultra-Wideband Wireless Communications and Networks, Xuemin Shen, Mohsen Guizani, Robert C. Qiu and Tho Le-Ngoc (Editors), pp.279 – 296, John Wiley, Feb. 2006<\/li>\n\n\n\n
                                          • IEICE Trans. on Fundamentals of Elec., Commun. and Computer Sci.<\/strong> – Gabriel Porto Villardi, Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cAn Adaptive Frame-based Interpolation Method of Channel Estimation for Space-Time Block Codes in Moderate Fading Channels,\u201d IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences – Special Issue on Multidimensional Signal Processing and its Applications, vol.E89-A, No.3, pp.660-669, March 2006.<\/li>\n\n\n\n
                                          • IEEE Globecom-CmTh – San Francisco, U.S.A.<\/strong> – Giuseppe Thadeu Freitas de Abreu: \u201cAccurate Simulation of Piecewise Continuous Arbitrary Nakagami-m Phasor Processes,\u201d Proc. IEEE Global Conference on Telecommunications – Symposium on Communications Theory (Globecom – CmTh 2006), November 27 – December 1, 2006.<\/li>\n\n\n\n
                                          • IEEE Globecom-WASNet – San Francisco, U.S.A. <\/strong>– Giuseppe Destino and Giuseppe Thadeu Freitas de Abreu: \u201cSensor Localization from WLS Optimization with Closed-form Gradient and Hessian,\u201d Proc. IEEE Global Conference on Telecommunications – Symposium on Wireles Ad Hoc and Sensor Networks towards Anytime Anywhere Internetworking (Globecom – WASNet 2006), November 27 – December 1, 2006.<\/li>\n\n\n\n
                                          • IEEE PIMRC – Helsinki, Finland <\/strong>– Giuseppe Destino and Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cLocalization from Imperfect and Incomplete Ranging,\u201d Proc. IEEE Personal Indoor Mobile Radio Communications (PIMRC 2002), November 15-18, 2006.<\/li>\n\n\n\n
                                          • WPMC – San Diego, USA.<\/strong> – Davide Macagnano and Giuseppe Thadeu Freitas de Abreu: \u201cTracking Multiple Targets with Multidimensional Scaling,\u201d Wireless Personal Multimedia Communications (WPMC 2006), September 17-20, 2006.<\/li>\n\n\n\n
                                          • IST Summit – Mykonos, Greece <\/strong>– Giuseppe Destino and Giuseppe Thadeu Freitas de Abreu: \u201cMDS-WLS Optimization for Sensors Localization,\u201d 15th IST Mobile & Wireless Communications Summit (IST-Summit 2006), June 4-8, 2006.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n

                                            2005<\/h2>\n\n\n\n
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                                            • IEEE Transactions on Signal Processing <\/strong>– Giuseppe Thadeu Freitas de Abreu: \u201cClosed-form Correlation Functions of Generalized Hermite Wavelets,\u201d IEEE Transactions on Signal Processing, vol. 53, No. 6, pp. 2258 – 2261, June 2005.<\/li>\n\n\n\n
                                            • EURASIP Journal on Applied Signal Processing<\/strong> – Giuseppe Thadeu Freitas de Abreu, Craig John Mitchell and Ryuji Kohno: \u201cJitter-Robust Orthogonal Hermite Pulses for Ultra Wideband Impulse Radio Communications,\u201d EURASIP Journal on Applied Signal Processing – Special Issue on Ultra-Wideband State of the Art, No.3, pp. 369-381, March, 2005.<\/li>\n\n\n\n
                                            • IEICE Trans. on Fundamentals of Elec., Commun. and Computer Sci.<\/strong> – Craig John Mitchell, Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cAdaptive RAKE Receivers with Subspace-based Hadamard-Hermite Template Design for UWB Communications,\u201d IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences – Special Issue on Ultra Wideband Systems, vol.E88-A, No.9, pp.2327-2338, September 2005.<\/li>\n\n\n\n
                                            • SITA – Tancha-Bay, Japan <\/strong>– Gabriel Porto Villardi, Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cPerformance of Modified Orthogonal Space-Time Block Codes in Nakagami Fading Channels,\u201d 28th Symposium on Information Theory and Applications (SITA 2005), pp.555-558, November 20-23, 2005.<\/li>\n\n\n\n
                                            • IEEE Asilomar CSSC – Pacific Grove, U.S.A.<\/strong> – Giuseppe Thadeu Freitas de Abreu: \u201cGABBA Codes: Generalized Full-Rate Orthogonally Decodable Space-Time Block Codes,\u201d Proc. IEEE Thirty-ninth Asilomar Conference on Signals, Systems and Computers (Asilomar 2005), October 30 – November 2, 2005.<\/li>\n\n\n\n
                                            • IEEE Asilomar CSSC – Pacific Grove, U.S.A. <\/strong>– Gabriel Porto Villardi, Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u2018Modified Orthogonal Space-Time Block Codes for Time-Selective Fading Channels,\u201d Proc. IEEE Thirty-ninth Asilomar Conference on Signals, Systems and Computers (Asilomar 2005), October 30 – November 2, 2005.<\/li>\n\n\n\n
                                            • IEEE ICU – Zurich, Switzerland <\/strong>– Giuseppe Thadeu Freitas de Abreu: \u201cPerformance of Parameter Estimation from UWB-IR Signals with an Array of Orthonormal Correlators,\u201d Proc. IEEE International Conference on Ultra-Wideband Telecommunications (ICU 2005), September 5-8, 2005.<\/li>\n\n\n\n
                                            • WPMC – Aalborg, Denmark. <\/strong>– Giuseppe Thadeu Freitas de Abreu: \u201cOrthogonally Decoded Full-rate Linear STBCs for Arbitrary Modulation and any Number of Antennas,\u201d Wireless Personal Multimedia Communications (WPMC 2005), September 17-22, 2005.<\/li>\n\n\n\n
                                            • WPMC – Aalborg, Denmark.<\/strong> – Gabriel Porto Villardi, Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cAn Adaptive Frame-based Interpolation Method of Channel Estimation for Space-Time Block Codes in Moderate Fading Channels,\u201d Wireless Personal Multimedia Communications (WPMC 2005), September 17-22, 2005.<\/li>\n\n\n\n
                                            • IST Summit – Dresden, Germany<\/strong> – Alberto Rabbachin, Jean-Philippe Montillet, Paul Cheong, Giuseppe Thadeu Freitas de Abreu and Ian Opperman: \u201cNon-Coherent Energy Collection Approach for TOA Estimation in UWB Systems,\u201d 14th IST Mobile & Wireless Communications Summit (IST-MWCS 2005), June 19-23, 2005.<\/li>\n\n\n\n
                                            • IEEE VTC Spring – Stockholm, Sweden<\/strong> – Jean-Philippe Montillet, Giuseppe Thadeu Freitas de Abreu, Harri Sarnisari and Ian Opperman: \u201cComparison of UWB and WCDMA Positioning Accuracies,\u201d 1EEE 61st Semiannual Vehicular Technology Conference (VTC-Spring 2005), May 30 to June 1, 2005.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n

                                              2004<\/h2>\n\n\n\n
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                                              • Sony Co., Japan <\/strong>– Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno \u201cA Method to Design Low Sidelobe, Beam-width-Adjustable Array Patterns and Applications,\u201d US Patent no. 6784835-B2, August 2004.<\/li>\n\n\n\n
                                              • IEE Proceedings on Communications<\/strong> – Giuseppe Thadeu Freitas de Abreu, Hideki Ochiai and Ryuji Kohno: \u201cLinear Maximum Likelihood Decoding of Space-Time Block Coded OFDM Systems for Mobile Communications,\u201d IEE Proc. on Communications – Special Issue on Wireless LAN Systems and Internetworking, vol. 151, No. 5, pp. 447-459, October 2004.<\/li>\n\n\n\n
                                              • Symposium of IEICE Societies (Spring) – Tokyo, Japan<\/strong> – Takashi Uefuji, Tadatomo Sato, Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cA Study on DoA Estimation Using Array Antenna and Orthogonal Hermite Wavelets for UWB Communications,\u201d Symposium of the IEICE Society on Fundamentals of Electronics, Communications and Computer Science, vol. 103, no. 715, pp. 203-208, Tokyo, Japan, March 15-17, 2004 (in Japanese).<\/li>\n\n\n\n
                                              • General Symposium of the IEICE (Spring) – Tokyo, Japan<\/strong> – Tadatomo Sato, Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cUniform Circular Array Antenna Beamforming Algorithm for UWB Signals,\u201d General Symposium of the IEICE, pp. A-5-42, March 22-25, 2004 (in Japanese).<\/li>\n\n\n\n
                                              • SITA – Gero, Japan <\/strong>– Gabriel Porto Villardi, Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cA Lagrangean Method of Channel Estimation for Space-Time Block Codes in Moderate Fading Channels,\u201d 27th Symposium on Information Theory and Applications (SITA 2004), pp. 335-338, December 14-17, 2004.<\/li>\n\n\n\n
                                              • SITA – Gero, Japan<\/strong> – Takashi Uefuji, Tadatomo Sato, Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cA Study on DoA Estimation with Modified Hermite Pulses in UWB Communications,\u201d 27th Symposium on Information Theory and Applications (SITA 2004), pp. 535-538, December 14-17, 2004 (in Japanese).<\/li>\n\n\n\n
                                              • WPMC – Abano Terme, Italy.<\/strong> – Giuseppe Thadeu Freitas de Abreu, Takashi Uefuji and Ryuji Kohno: \u201cParameter Estimation of UWB-IR Signals Using Array Antennas with Hermite-Hadamard Orthogonal Filters,\u201d Wireless Personal Multimedia Communications (WPMC 2004), vol.2, pp. 288-292, September 12-15, 2004.<\/li>\n\n\n\n
                                              • WPMC – Abano Terme, Italy.<\/strong> – Craig John Mitchell, Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cUWB RAKE Receiver Design based on Orthogonal Hermite Hadamard Pulses,\u201d Wireless Personal Multimedia Communications (WPMC 2004), September 12-15, 2004.<\/li>\n\n\n\n
                                              • IEEE ISSSTA – Sydney, Australia<\/strong> – Alex Cartagena Gordillo, Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cBand-Limited Frequency Efficient Orthogonal Pulse-Shape Modulation for UWB Communications,\u201d International Symposium on Spread Spectrum Techniques and Applications (ISSSTA 2004), August 30 – September 2, 2004.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n

                                                2001 \u2013 2004<\/h2>\n\n\n\n
                                                \n
                                                \n
                                                  \n
                                                • IEEE Transactions on Antennas and Propagations<\/strong> – Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cA Modified Dolph-Chebyshev Approach for the Synthesis of Low Sidelobe Beampatterns with Adjustable Beamwidth,\u201d IEEE Transactions of Antennas and Propagations, vol. 51, Issue 10, pp. 3014 -3017, October 2003.<\/li>\n\n\n\n
                                                • KICS Journal on Communications and Networks<\/strong> – Giuseppe Thadeu Freitas de Abreu, Craig John Mitchell and Ryuji Kohno: \u201cOn the Design of Orthogonal PulseShape Modulation for UWB Systems Using Hermite Pulses,\u201d KICS Journal on Communications and Network – Special Issue on Ultra-Wideband Communications, vol. 5, no. 4, pp. 328-343, December 2003.<\/li>\n\n\n\n
                                                • IEICE Trans. on Fundamentals of Elec., Commun. and Computer Sci. <\/strong>– Tadatomo Sato, Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cBeamforming Array Antenna with Heterogeneous Signal Distribution,\u201d IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences – Special Issue on Wideband Systems, vol. J86-A, no. 12, pp.1302-1309, December, 2003.<\/li>\n\n\n\n
                                                • IEICE Trans. on Fundamentals of Elec., Commun. and Computer Sci.<\/strong> – Koji Ishii, Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cBeam-Space Time Coding Exploiting Overlap Among Beampatterns,\u201d IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences – Special Issue on Information Theory and Its Applications, vol. E86-A, no. 10, pp.2501-2509, Oct. 2003.<\/li>\n\n\n\n
                                                • International Journal of Wireless Information Networks<\/strong> – Craig John Mitchell, Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cCombined Pulse Shape and Pulse Position Modulation for High Data Rate Transmissions in Ultra-Wideband Communications\u201d Intl. Journal of Wireless Inform. Networks – Special Issue on Ultra-Wideband Systems, vol. 10, no. 4, pp. 167-178, Oct. 2003.<\/li>\n\n\n\n
                                                • SITA – Awajishima, Japan<\/strong> – Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cJitter-Robust Hermite Pulses for UWB Communications,\u201d 26th Symposium on Information Theory and Applications (SITA 2002), pp. 393-398, December 15-18, 2003.<\/li>\n\n\n\n
                                                • SITA – Awajishima, Japan <\/strong>– Tadatomo Sato, Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cChebyshev-like Low Sidelobe Beamforming for Ultra-Wideband Communications,\u201d 26th Symposium on Information Theory and Applications (SITA 2002), pp. 707-710, December 15-18, 2003 (in Japanese).<\/li>\n\n\n\n
                                                • IEEE Globecom – San Francisco, U.S.A. <\/strong>– Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cDesign of Jitter-Robust Orthogonal Pulses for UWB Systems,\u201d Proc. IEEE Global Conference on Telecommunications – Symposium on Wireless Communications (Globecom 2003), December 1-5, 2003.<\/li>\n\n\n\n
                                                • Symposium of IEICE – Tokyo, Japan <\/strong>– Tadatomo Sato, Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cA Study on the Application of DolphChebyshev Pattern Synthesis to Ultra-Wideband Signals,\u201d 25th Symposium of the IEICE Society on Communications pp. SA-3-8, September, 2003 (in Japanese).<\/li>\n\n\n\n
                                                • WPMC – Yokosuka, Japan.<\/strong> – Giuseppe Thadeu Freitas de Abreu, Craig John Mitchell and Ryuji Kohno: \u201cOn the Orthogonality of Hermite Pulses for Ultra Wideband Communications,\u201d Wireless Personal Multimedia Communications (WPMC 2003), vol.2, pp. 288-292, October 19-22, 2003.<\/li>\n\n\n\n
                                                • WPMC – Yokosuka, Japan. <\/strong>– Craig John Mitchell, Giuseppe Thadeu Freitas de Abreu, Craig John Mitchell and Ryuji Kohno: \u201cAnalysis of Combined PPM and Orthogonal Pulse Shape Detection in UWB Systems,\u201d Wireless Personal Multimedia Communications (WPMC 2003), October 19-22, 2003.<\/li>\n\n\n\n
                                                • IEEE ISIT – Yokohama, Japan<\/strong> – Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cOrthogonal Decoding of Space-Time Block Codes in Fast Fading,\u201d Proc. IEEE International Symposium on Information Theory (ISIT 2003), pp. 155., June 29 – July 4, 2003.<\/li>\n\n\n\n
                                                • IEEE ISIT – Yokohama, Japan <\/strong>– Kouji Ishii, Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cTurbo-Like Space-Time Coding for Beamforming Arrays,\u201d Proc. IEEE International Symposium on Information Theory (ISIT 2003), June 29 – July 4, 2003.<\/li>\n\n\n\n
                                                • IEEE IWUWBS – Oulu, Finland<\/strong> – Giuseppe Thadeu Freitas de Abreu, Craig John Mitchell, Louis Gordon Trichard and Ryuji Kohno: \u201cA Note on the Design of Orthogonal Hermite Pulse for UWB Communications,\u201d Proc. IEEE International Workshop on Ultra Wideband Systems (IWUWBS 2003), June 2-5, 2003.<\/li>\n\n\n\n
                                                • IEEE IWUWBS – Oulu, Finland <\/strong>– Tadatomo Sato, Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cBeamforming Array Antenna for UltraWideband Communications,\u201d Proc. IEEE International Workshop on Ultra Wideband Systems (IWUWBS 2003), June 2-5, 2003.<\/li>\n\n\n\n
                                                • Symposium of the IEICE <\/strong>– Tadatomo Sato, Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cA Study on the Construction of Adaptive Array Antennas that Realizes Single Directivity for UWB-IR,\u201d 24th Symposium of the IEICE Society on Communications pp. A-5-24, March, 2003 (in Japanese).<\/li>\n\n\n\n
                                                • Sony Co., Japan<\/strong> – Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cMethod and Device for Using Array Antenna to Estimate the Direction of Sources in Near Field\u201d, US Patent no. 2002\/0027526-A1 March, 2002.<\/li>\n\n\n\n
                                                • SITA – Ikaho, Japan<\/strong> – Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cAn Orthogonal Decoder for Space-Time Block Codes in Fast Fading,\u201d 25th Symposium on Information Theory and Applications (SITA 2002), pp. 375-378, December 10-13, 2002.<\/li>\n\n\n\n
                                                • SITA – Ikaho, Japan <\/strong>– Craig John Mitchell, Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cTwo Dimensional Codulation for UWB Systems,\u201d 25th Symposium on Information Theory and Applications (SITA 2002), pp. 307-310, December 10-13, 2002.<\/li>\n\n\n\n
                                                • SITA – Ikaho, Japan<\/strong> – Tadatomo Sato, Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cA Study on Constitution Method of Array Antenna for Ultra Wideband Wireless Communications,\u201d 25th Symposium on Information Theory and Applications (SITA 2002), pp. 287-290, 10-13, 2002 (in Japanese).<\/li>\n\n\n\n
                                                • IEEE PIMRC – Lisbon, Portugal<\/strong> – Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cNon-Differential Space-Time Transmission Diversity in Fast Fading,\u201d Proc. IEEE Personal Indoor Mobile Radio Communications (PIMRC 2002), November 15-18, 2002.<\/li>\n\n\n\n
                                                • IEEE ISSSTA – Prague, Czech Republic<\/strong> – Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cBeamwidth-Adjustable Low Sidelobe Beamforming for Space-Time Diversity,\u201d International Symposium on Spread Spectrum Techniques and Applications (ISSSTA 2002), pp. 526-530, November 2-5, 2002.<\/li>\n\n\n\n
                                                • ISITA – Xian, China<\/strong> – Toshiro Sawasaki, Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cA Study on Optimal Equalization of Transmitter and Receiver in Space and Time Domains Using Adaptive Array Antennas,\u201d International Symposium on Information Theory and Applications (ISITA 2002), pp. 715-718, October 7-11, 2002.<\/li>\n\n\n\n
                                                • General Symposium of the IEICE (Fall) – Miyazaki, Japan<\/strong> – Tadatomo Sato, Kaziki Eshima, Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cA Study on Constitution Method of Array Antenna for Ultra Wideband Wireless Communications,\u201d Symposium of the IEICE Society of Communications, B-5-77, pp. 374, September 10-13, 2002 (in Japanese).<\/li>\n\n\n\n
                                                • EuroWireless – Florence, Italy<\/strong> – Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cChebyshev-like Low Sidelobe Beampatterns with Adjustable Beamwidth and Steering-Invariance,\u201d European Wireless 2002, pp. 732-738, February 26-28, 2002.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n

                                                  2001\u20131999<\/h2>\n\n\n\n
                                                  \n
                                                  \n
                                                    \n
                                                  • IEICE Transactions on Communications<\/strong> – Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cAdaptively Sampled Near Field Smart Array Antenna for Indoors Wireless Communications,\u201d IEICE Transactions on Communications – Special Issue on Adaptive Array Antenna Tech. for Adv. Wireless Communications, vol. E84-B, no. 7, pp. 1743-1759, Jul. 2001.<\/li>\n\n\n\n
                                                  • SITA – Kobe, Japan <\/strong>– Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cModified Chebyshev Design with Beamwidth-Adjustable Low Sidelobe Beamforming for Beamspace-Time Diversity,\u201d 24th Symposium on Information Theory and Applications (SITA 2001), pp. 533-536, December 4-7, 2001.<\/li>\n\n\n\n
                                                  • SITA – Minami Aso, Japan<\/strong> – Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cMultiuser Joint Path Distribution Estimation Algorithm with Adaptive Array Antenna,\u201d 23rd Symposium on Information Theory and Applications (SITA 2000), pp. 411-414, December 10-13, 2000.<\/li>\n\n\n\n
                                                  • WPMC – Bangkok, Thailand<\/strong> – Giuseppe Thadeu Freitas de Abreu, Sergio Forcellini and Ryuji Kohno:\u201cSpatial Filter-Oriented Adaptive Spreading Technique: Joining CDMA and SDMA,\u201d Wireless Personal Multimedia Communications (WPMC 2000), pp.344-349, November 11-15, 2000.<\/li>\n\n\n\n
                                                  • IEEE PIMRC – London, U.K. <\/strong>– Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cSmart Array Antenna for IEEE 802.11 Wireless LAN II with Near Field Distortion Compensation,\u201d Personal Indoor Mobile Radio Communications (PIMRC 2000), pp. 1454-1458, September 18-21, 2000.<\/li>\n\n\n\n
                                                  • IEEE ISSSTA – Parsipany, U.S.A.<\/strong> – Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cNear Field Smart Array Antenna for IEEE 802.11 Wireless LAN II,\u201d International Symposium on Spread Spectrum Techniques and Applications (ISSSTA 2000) pp. 25-29, September 6-8, 2000.<\/li>\n\n\n\n
                                                  • ICT – Acapulco, Mexico<\/strong> – Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cNear Field Smart Array Antenna for Indoor Applications,\u201d International Conference on Telecommunications (ICT 2000), pp. 900-906, May 22-25, 2000.<\/li>\n\n\n\n
                                                  • SITA – Echigo Yuzawa, Japan<\/strong> – Giuseppe Thadeu Freitas de Abreu and Ryuji Kohno: \u201cAdaptive Antenna for Indoors Environment,\u201d 22nd Symposium on Information Theory and Applications (SITA 1999), pp. 737-740, November 30 – December 3, 1999.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n
                                                      \n
                                                    1. <\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

                                                      Publications 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 We\u2019ve worked with some of the best companies. 2006 2005 2004 2001 \u2013 2004 2001\u20131999<\/p>\n","protected":false},"author":36,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-no-title","meta":{"footnotes":""},"class_list":["post-180","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/pages.constructor.university\/abreugroup\/wp-json\/wp\/v2\/pages\/180","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pages.constructor.university\/abreugroup\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/pages.constructor.university\/abreugroup\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/pages.constructor.university\/abreugroup\/wp-json\/wp\/v2\/users\/36"}],"replies":[{"embeddable":true,"href":"https:\/\/pages.constructor.university\/abreugroup\/wp-json\/wp\/v2\/comments?post=180"}],"version-history":[{"count":58,"href":"https:\/\/pages.constructor.university\/abreugroup\/wp-json\/wp\/v2\/pages\/180\/revisions"}],"predecessor-version":[{"id":432,"href":"https:\/\/pages.constructor.university\/abreugroup\/wp-json\/wp\/v2\/pages\/180\/revisions\/432"}],"wp:attachment":[{"href":"https:\/\/pages.constructor.university\/abreugroup\/wp-json\/wp\/v2\/media?parent=180"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}