Publications

1. Hiroki Iimori, and Yuto Hama, "Repeater-Assisted MIMO Can Also Boost Frequency Diversity: A Semi-Analytic Study", arXiv preprint arXiv:2603.26087, Mar. 2026.

2. Shoma Hara, Takumi Takahashi, Hiroki Iimori, Hideki Ochiai, Erik G. Larsson, "Reciprocity Calibration of Dual-Antenna Repeaters via MMSE Estimation", arXiv preprint arXiv:2602.05724, Feb. 2026.

3. Joe Asano, Yuto Hama, Hiroki Iimori, Chandan Pradhan, Szabolcs Malomsoky, Naoki Ishikawa, "Sparse Grassmannian Design for Noncoherent Codes via Schubert Cell Decomposition", arXiv preprint arXiv:2601.21009, Jan. 2026.

4. Kabuto Arai, Koji Ishibashi, Hiroki Iimori, Paulo Valente Klaine, Szabolcs Malomsoky, "Joint Pilot Allocation and Sequence Design for MIMO-OFDM Systems With Channel Sparsity", arXiv preprint arXiv:2509.17916, Sep. 2025.

1. IEEE Transactions on Wireless Communications
   Kabuto Arai, Koji Ishibashi, Hiroki Iimori, Paulo Valente Klaine, Szabolcs Malomsoky, "Joint Channel and Data Estimation for Multiuser Extremely Large-Scale MIMO Systems", IEEE Transactions on Wireless Communications, 2025.

2. IEEE Transactions on Vehicular Technology
   Yuta Kanazawa, Hiroki Iimori, Chandan Pradhan, Szabolcs Malomsoky, Naoki Ishikawa, "Superimposed Pilot-Based OTFS - Will it Work?", IEEE Transactions on Vehicular Technology, 2025.

3. IEEE Access
   Takumi Yoshida, Koji Ishibashi, Hiroki Iimori, Paulo Valente Klaine, and Szabolcs Malomsoky: "Efficient Joint Transmit and Receive Beam Alignment via Sequential CNN LSTM Networks", IEEE Access, vol. 13, pp. 118586-118598, Jun. 2025.

4. IEEE Open Journal of the Communications Society
   Taiki Kato, Hiroki Iimori, Chandan Pradhan, Szabolcs Malomsoky, Naoki Ishikawa, "Maximizing Spectrum Efficiency of Data-Carrying Reference Signals via Bayesian Optimization", IEEE Open Journal of the Communications Society, vol. 6, pp. 3892-3903, Apr. 2025.

5. IEEE  Wireless Communications Letters
   Hiroki Fukada, Hiroki Iimori, Chandan Pradhan, Szabolcs Malomsoky, Naoki Ishikawa, "Covert Communications Without Pre-Sharing of Side Information and Channel Estimation Over Quasi-Static Fading Channels", IEEE Wireless Communications Letters, vol. 14, no. 4, pp. 1239-1243, Apr. 2025.

6. IEEE Communications Magazine
   Sara Willhammar, Hiroki Iimori, Joao Vieira, Lars Sundström, Fredrik Tufvesson, Erik G Larsson, "Achieving Distributed MIMO Performance with Repeater-Assisted Cellular Massive MIMO", IEEE Communications Magazine, vol. 63, no. 3, pp. 114-119, Mar. 2025.

7. IEEE Transactions on Wireless Communications
   Takumi Takahashi, Hiroki Iimori, Koji Ishibashi, Shinsuke Ibi, and Giuseppe Thadeu Freitas de Abreu, "Bayesian Bilinear Inference for Joint Channel Tracking and Data Detection in Millimeter-Wave MIMO Systems", IEEE Transactions on Wireless Communications, vol. 23, no. 9, pp. 11136-11153, Sep. 2024.

8. IEEE Transactions on Wireless Communications
   Naoki Endo, Hiroki Iimori, Chandan Pradhan, Szabolcs Malomsoky, and Naoki Ishikawa, "Boosting Spectral Efficiency with Data-Carrying Reference Signals on the Grassmann Manifold", IEEE Transactions on Wireless Communications,  vol. 23, no. 8, pp. 10137-10149, Aug. 2024.

9. IEEE Transactions on Vehicular Technology
   Sota Uchimura, Koji Ishibashi, Hiroki Iimori, Paulo Valente Klaine, and Szabolcs Malomsoky, "Efficient Channel Tracking Based on Compressive Sensing for OFDM Millimeter-Wave Systems", IEEE Transactions on Vehicular Technology,  vol. 73, no. 8, pp. 11411-11426, Aug. 2024.

10. IEEE Transactions on Vehicular Technology
    Sota Uchimura, Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, and Koji Ishibashi, "Outage-Minimization Coordinated Multi-Point for Millimeter-Wave OFDM with Random Blockages", IEEE Transactions on Vehicular Technology,  vol. 72, no. 7, pp. 8783-8796, Jul. 2023.

11. IEEE Transactions on Wireless Communications
    Takumi Takahashi, Hiroki Iimori, Kengo Ando, Koji Ishibashi, Shinsuke Ibi, and Giuseppe Thadeu Freitas de Abreu, "Bayesian Receiver Design via Bilinear Inference for Cell-Free Massive MIMO with Low-Resolution ADCs", IEEE Transactions on Wireless Communications, vol. 22, no. 7, pp. 4756-4772, Jul. 2023.

12. IEEE Transactions on Wireless Communications
    Hyeon Seok Rou, Giuseppe Thadeu Freitas de Abreu, Hiroki Iimori,  David Gonsález G., and Osvaldo Gonsa, "Scalable Quadrature Spatial Modulation", IEEE Transactions on Wireless Communications, vol. 21, no. 11, pp. 9293-9311, Nov. 2022.

13. IEEE Transactions on Wireless Communications
    Omid Taghizadeh, Tianyu Yang, Hiroki Iimori, Giuseppe Abreu, Ali Cagatay Cirik, and Rudolf Mathar, "Quantization-Aided Secrecy: FD C-RAN Communications with Untrusted Radios," IEEE Transactions on Wireless Communications, vol. 21, no. 10, pp. 8522-8535, Oct. 2022.

14. IEEE Transactions on Wireless Communications
    Hiroki Iimori, Takumi Takahashi, Koji Ishibashi, Giuseppe Thadeu Freitas de Abreu, David Gonsález G., Osvaldo Gonsa, "Joint Activity and Channel Estimation for Extra-Large MIMO Systems", IEEE Transactions on Wireless Communications, vol. 21, no. 9, pp. 7253-7270, Sep. 2022.

15. IEEE Open Journal of the Communications Society
    Kengo Ando, Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, Koji Ishibashi, "User-Heterogeneous Cell-Free Massive MIMO Downlink and Uplink Beamforming via Tensor Decomposition", IEEE Open Journal of the Communications Society, vol. 3, pp. 740-758, Apr. 2022.

16. IEEE Access
    Shuto Fukue, Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, and Koji Ishibashi, “Joint Access Configuration and Beamforming for Cell-Free Massive MIMO Systems with Dynamic TDD,” IEEE Access, vol. 10, pp. 40130-40149, Apr. 2022.

17. IEEE  Wireless Communications Letters
    Andre S. Guerreiro, Hiroki Iimori, and Koji Ishibashi, "Low Latency Beam-Sweeping for Millimeter Wave Systems via Pessimistic Optimization",  IEEE Wireless Communications Letters, vol. 10, no. 12, pp. 2742-2746, Dec. 2021.

18. IEEE Transactions on Wireless Communications
    Hiroki Iimori, Takumi Takahashi, Koji Ishibashi, Giuseppe Thadeu Freitas de Abreu, and Wei Yu, "Grant-Free Access via Bilinear Inference for Cell-Free MIMO with Low-Coherence Pilots", IEEE Transactions on Wireless Communications, vol. 20, no. 11, pp. 7694-7710, Nov. 2021.

19. IEEE Access
    Kengo Ando, Hiroki Iimori, Takumi Takahashi, Koji Ishibashi, and Giuseppe Thadeu Freitas de Abreu, "Uplink Signal Detection for Scalable Cell-Free Massive MIMO Systems with Robustness to Rate-Limited Fronthaul", IEEE Access, vol. 9, pp. 102770-102782, Jul. 2021. 

20. IEEE Transactions on Vehicular Technology
    Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, David González G, and Osvaldo Gonsa, "Mitigating Channel Aging and Phase Noise in Millimeter Wave MIMO Systems",  IEEE Transactions on Vehicular Technology, vol. 70, no. 7, pp. 7237-7242, July 2021.

21. IEEE Open Journal of the Communications Society
    Omid Taghizadeh, Slawomir Stanczak, Hiroki Iimori, and Giuseppe Thadeu Freitas de Abreu, "Full-Duplex Amplify-and-Forward MIMO Relaying: Design and Performance Analysis under Erroneous CSI and Hardware Impairments", IEEE Open Journal of the Communications Society, vol. 2, pp. 1249-1266, May 2021. 

22. IEEE Access
    Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, Omid Taghizadeh, Razvan-Andrei Stoica, Takanori Hara, and Koji Ishibashi, "A Stochastic Gradient Descent Approach for Hybrid MmWave Beamforming with Blockage and CSI-Error Robustness", IEEE Access, vol. 9, pp. 74471-74487, May 2021.

23. IEEE  Wireless Communications Letters
    Takanori Hara, Hiroki Iimori, and Koji Ishibashi, "Hyperparameter-Free Receiver for Grant-Free NOMA Systems With MIMO-OFDM"  IEEE  Wireless Communications Letters, vol. 10, no. 4, pp. 810-814, Apr. 2021. 

24. IEEE Open Journal of the Communications Society
    Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, Takanori Hara, Koji Ishibashi, Razvan-Andrei Stoica, David González G, and Osvaldo Gonsa, "Robust Symbol Detection in Large-Scale Overloaded NOMA Systems" IEEE Open Journal of the Communications Society, vol. 2, pp. 512-533, Mar. 2021. 

25. IEEE Access
    Naoya Hirosawa, Hiroki Iimori, Koji Ishibashi, and Giuseppe Thadeu Freitas de Abreu, "Minimizing Age of Information in Energy Harvesting Wireless Sensor Networks" IEEE Access, vol. 8, pp. 219934-219945, Nov. 2020. 

26. IEEE  Wireless Communications Letters
    Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, Omid Taghizadeh, Razvan-Andrei Stoica, Takanori Hara, and Koji Ishibashi: “Stochastic Learning Robust Beamforming for Millimeter-Wave Systems with Path Blockage,” IEEE  Wireless Communications Letters, vol. 9, no. 9, pp. 1557-1561, Sept. 2020.

27. IEEE Transactions on Wireless Communications
    Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, and George Alexandropoulos: “MIMO Beamforming Schemes for Hybrid SIC FD Radios with Imperfect HW and CSI,” IEEE Transactions on Wireless Communications, vol. 18, no. 10, pp. 4816-4830, Oct. 2019.

28. IEEE Access
    Razvan-Andrei Stoica, Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, Koji Ishibashi: “Frame Theory and Fractional Programming for Sparse Recovery-based mmWave Channel Estimation,” IEEE Access, vol. 7, pp. 150757-150774, Oct. 2019. 

29. International Journal of Innovative Research in Science, Engineering and Technology
    Pooja Kenchetty. P, Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, and K. Rajesh Shetty: “A Simple Massive MIMO Scheme based on the Overlap of STBC”, International Journal of Innovative Research in Science, Engineering and Technology, vol. 5, no. 9, pp. 393-400, May. 2016. 

Please refer to the list currently available on Google Patents for details.

1. IEEE Global Communications Conference (GLOBECOM)
   Huu Binh Minh Tran, Kengo Ando, Chandan Pradhan, Hiroki Iimori, and Szabolcs Malomsoky: "Complex-Valued Transformer with Improved Positional Embedding for MIMO-OFDM Channel Denoising", in Proc. IEEE Global Communications Conference (GLOBECOM), Taipei, Taiwan, Dec. 8-12, 2025. 

2. IEEE Global Communications Conference (GLOBECOM)
   Kengo Ando, Huu Binh Minh Tran, Chandan Pradhan, Hiroki Iimori, and Szabolcs Malomsoky: "Beam-Delay Domain Denoising via Compact Neural Filtering for OFDM Channel Estimation", in Proc. IEEE Global Communications Conference (GLOBECOM), Taipei, Taiwan, Dec. 8-12, 2025.

3. IEEE International Conference on Communications (ICC)
   Kohei Ueda, Koji Ishibashi, Hiroki Iimori, Paulo Valente Klaine, and Szabolcs Malomsoky: “Beamforming Design for Terrestrial-Satellite Spectrum Sharing in Upper Mid-Band Based on Angular Radiated Power Constrain,” in Proc. IEEE International Conference on Communications, Montreal, Canada, Jun. 2025.

4. IEEE Vehicular Technology Conference (VTC)
   Ryusei Baba, Hiroki Iimori, Chandan Pradhan, Szabolcs Malomsoky, and Naoki Ishikawa: "Deep Neural Network Based Reduced-Complexity Detector for Grassmann Constellation", in Proc. IEEE Vehicular Technology Conference (VTC Fall), Washington DC, USA, Oct. 07–10, 2024.

5. IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC)
   Kabuto Arai, Koji Ishibashi, Hiroki Iimori, Paulo Valente Klaine, and Szabolcs Malomsoky: "Near-Field Channel Estimation for Uplink Multiuser XL-MIMO Systems", in Proc. IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Lucca, Italy, Sept. 10-13, 2024.

6. IEEE Vehicular Technology Conference (VTC)
   Taiki Kato, Hiroki Iimori, Chandan Pradhan, Szabolcs Malomsoky, and Naoki Ishikawa: "Performance Analysis of Data-Carrying Reference Signal in Time-Varying Channels", in Proc. IEEE Vehicular Technology Conference (VTC Spring), Singapore, Jun. 24-27, 2024.

7. IEEE Global Communications Conference (GLOBECOM)
   Hiroki Iimori, Jörg Huschke, and Joao Vieira: "Radio Unit Configuration for Dynamic Time Division Duplex in Distributed MIMO Systems", in Proc. IEEE Global Communications Conference (GLOBECOM), Kuala Lumpur, Malaysia, Dec. 4-8, 2023. 

8. IEEE Global Communications Conference (GLOBECOM)
   Hiroki Iimori, Eito Kurihara, Takumi Yoshida, Joao Vieira, and Szabolcs Malomsoky: "Amplification Strategy in Repeater-Assisted MIMO Systems via Minorization Maximization", in Proc. IEEE Global Communications Conference (GLOBECOM), Kuala Lumpur, Malaysia, Dec. 4-8, 2023. 

9. IEEE Vehicular Technology Conference (VTC)
   Yuta Kanazawa, Hiroki Iimori, Chandan Pradhan, Szabolcs Malomsoky, and Naoki Ishikawa: "Multiple Superimposed Pilots for Accurate Channel Estimation in Orthogonal Time Frequency Space Modulation", in Proc. IEEE Vehicular Technology Conference (VTC Fall), Hong Kong, Oct. 10-13, 2023.

10. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
    Yuya Nishi, Takumi Takahashi, Hiroki Iimori, Giuseppe Abreu, Shinsuke Ibi, and Seiichi Sampei: "Wireless Location Tracking via Complex-Domain Super MDS with Time Series Self-Localization Information", in Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Rhodes island, Greece, 04-10, June 2023.

11. ASILOMAR CSSC
    Kengo Ando, Hiroki Iimori, Hyeon Seok Rou, Giuseppe Thadeu Freitas de Abreu, David Gonzales and Osvaldo Gonsa: "An Iterative Discrete Least Square Estimator with Dynamic Parameterization via Deep-Unfolding", in Proc. Asilomar Conference on Signals, Systems, and Computers, Pacific Grove, USA, Oct.-Nov. 2022. 

12. CISIS
    Seiya Otsuka, Hiroki Iimori, Kengo Ando, Giuseppe Thadeu Freitas de Abreu, Koji Ishibashi, and Naoki Ishikawa: “Analysis of Secret Key Agreement Protocol for Massive MIMO Systems,” in Proc. International Conference on Computational Intelligence in Security for Information Systems, Salamanca, Spain, Sept. 6-8, 2022.

13. IEEE International Conference on Communications (ICC)
    Takanori Hara, Hiroki Iimori, and Koji Ishibashi: “Grant-Free NOMA Using Time-Delay Domain for Low-Latency Massive Access over MIMO-OFDM,” in Proc. IEEE International Conference on Communications, Seoul, South Korea, May 2022.

14. IEEE International Conference on Communications (ICC)
    Hiroki Iimori, Takumi Takahashi, Hyeon Seok Rou, Koji Ishibashi, Giuseppe Thadeu Freitas de Abreu, David González G., and Osvaldo Gonsa: “Grant-Free Access for Extra-Large MIMO Systems Subject to Spatial Non- Stationarity,” in Proc. IEEE International Conference on Communications, Seoul, South Korea, May 2022.

15. Asia-Pacific Signal and Information Processing Association (APSIPA)
    Ryo Okabe, Hiroki Iimori, and Koji Ishibashi: “Low-Complexity Robust Beamforming with Blockage Prediction for Millimeter-Wave Communications,” in Proc. Asia-Pacific Signal and Information Processing Association (APSIPA), Auckland, New Zealand, Dec. 2020.

16. IEEE Global Communications Conference (GLOBECOM)
    Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, and Koji Ishibashi: “Full-Duplex MIMO Systems with Hardware Limitations and Imperfect Channel Estimation,” in Proc. IEEE Global Communications Conference (GLOBECOM), Taipei, Taiwan, Dec. 2020. 

17. IEEE Global Communications Conference (GLOBECOM)
    Omid Taghizadeh, Slawomir Stanczak, Hiroki Iimori, and Giuseppe Thadeu Freitas de Abreu: “Full-Duplex AF MIMO Relaying: Impairments Aware Design and Performance Analysis,” in Proc. IEEE Global Communications Conference (GLOBECOM), Taipei, Taiwan, Dec. 2020.

18. ASILOMAR CSSC
    Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, Omid Taghizadeh, and Koji Ishibashi: “Discrete-Aware Matrix Completion via Proximal Gradient,” in Proc. Asilomar CSSC, Pacific Grove, USA, Nov. 2020.

19. IEEE International Conference on Communications (ICC)
    Takanori Hara, Hiroki Iimori, and Koji Ishibashi: "Activity Detection for Uplink Grant-Free NOMA in the Presence of Carrier Frequency Offsets", in Proc. IEEE International Conference on Communications Workshops (ICC Workshops), Dublin, Ireland, June 2020. 

20. ICOIN
    Hiroki Iimori, Razvan-Andrei Stoica, Koji Ishibashi, and G. T. F. de Abreu: “Robust sparse reconstruction of mmwave channel estimates via fractional programming,” in Proc. ICOIN, Barcelona, Spain, Jan. 2020.

21. IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP)
    Razvan-Andrei Stoica, Hiroki Iimori and Giuseppe Thadeu Freitas de Abreu: “Multiuser detection for large massively concurrent NOMA systems via fractional programming,” in Proc. IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP), Guadeloupe, France, 2019. 

22. IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP)
    Naoya Hirosawa, Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, and Koji Ishibashi: “Age-of-Information Minimization in Two-User Multiple Access Channel with Energy Harvesting,” in Proc. IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP), Guadeloupe, France, 2019.

23. ASILOMAR CSSC
    Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, David Gonzales and Osvaldo Gonsa: “Joint Detection in Massive Overloaded Wireless Systems via Mixed-Norm Discrete Vector Decoding”, in Proc. Asilomar Conference on Signals, Systems, and Computers, 3-6 Nov., 2019.

24. ASILOMAR CSSC
    Razvan-Andrei Stoica, Hiroki Iimori and Giuseppe Thadeu Freitas de Abreu: “Sparsely-structured Multiuser Detection for Large Massively Concurrent NOMA Systems”, in Proc. Asilomar Conference on Signals, Systems, and Computers, 3-6 Nov., 2019.

25. International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOpt)
    Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, and Koji Ishibashi: “Fractional Programming for Robust TX BF Design in Multi-User/Single-Carrier PD-NOMA”, in Proc. International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOpt 2019), 3-7 June, 2019.

26. IEEE Wireless Communications and Networking Conference (WCNC)
    Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, George Alexandropoulos and Koji Ishibashi: “Transmission Strategies in Imperfect Bi-directional Full-Duplex MIMO Systems”, in Proc. IEEE Wireless Communications and Networking Conference, (WCNC 2019), 15-18 April, 2019.

27. IEEE Global Conference on Signal and Information Processing (GlobalSIP)
    Hiroki Iimori, George Alexandropoulos and Giuseppe Thadeu Freitas de Abreu: “Full-Duplex Transmission Optimization for Bi-directional MIMO links with QoS Guarantees,” in Proc. IEEE 6th Global Conference on Signal and Information Processing (GlobalSIP 2018), November 26th - 29th, Nov., 2018.

28. IEEE Workshop on Positioning Navigation and Communication (WPNC)
    Hiroki Iimori, Giuseppe Thadeu Freitas de Abreu, and George Alexandropoulos: “Full-Duplex Bi-directional MIMO under Imperfect CSI and Hardware Impairments,” in Proc. IEEE Workshop on Positioning Navigation and Communication, October 25-26, 2018.

29. IEEE Vehicular Technology Conference (VTC)
    Razvan-Andrei Stoica, Giuseppe Thadeu Freitas de Abreu and Hiroki Iimori: “A Frame-Theoretic Scheme for Robust Millimeter Wave Channel Estimation,” in Proc. IEEE Vehicular Communications Conference - Workshop on 5G Millimeter-Wave Channel Measurement, Models, and Systems, (VTC-Workshop 2018), August 27-30, 2018. 

30. IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC)
    Hiroki Iimori and Giuseppe Thadeu Freitas de Abreu: “Two-Way Full-Duplex MIMO with Hybrid TX-RX MSE Minimization and Interference Cancellation,” in Proc. IEEE International Workshop on Signal Processing Advances in Wireless Communications, Jul. 25-28 2018.

31. IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC)
    Kohei Sugiyama, Hiroki Iimori and Giuseppe Thadeu Freitas de Abreu: “Statistical Analysis of EH Battery State under Noisy Energy Arrivals,” in Proc. IEEE International Workshop on Signal Processing Advances in Wireless Communications, Jul. 25-28 2018.

32. IEEE International Conference on Communications (ICC)
    Hiroki Iimori and Giuseppe Thadeu Freitas de Abreu: “Performance Analysis of Non-linear Wireless Communications in Ultra Dense Networks”, in 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. 

33. IEEE Wireless Communications and Networking Conference (WCNC)
    Hiroki Iimori and Giuseppe Thadeu Freitas de Abreu: “Rate-Optimal Communication under Non-linear Gaussian Noise via Constellation Shaping”, in Proc. IEEE Wireless Communications and Networking Conference, (WCNC 2017), 15-18 April, 2018. 

34. IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP)
    Hiroki Iimori, Razvan-Andrei Stoica and Giuseppe Thadeu Freitas de Abreu: “Constellation Shaping for Rate Maximization in AWGN Channels with Non-linear Distortion”, in Proc. IEEE Conference on Computational Advances in Multi-sensor Adaptive Processing, (CAMSAP 2017), Dec. 10 - 13, 2017. 

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14. 飯盛寛貴，マロムソキ サボルチ：「分散MIMOにおける低演算空間資源割当法に関する一検討」第46回情報理論とその応用シンポジウム，山口，2023年12月．

15. プラダン チャンダン，タンフ ブンミン，飯盛寛貴，リ チュンフイ，マロムソキ サボルチ：「ビーム遅延領域における機械学習に基づく通信路推定のための雑音除去法」第46回情報理論とその応用シンポジウム，山口，2023年12月．

16. 金澤雄太，飯盛寛貴，プラダン チャンダン，マロムソキ サボルチ，石川直樹：「複数の重畳パイロットを用いた遅延ドップラーチャネルの高精度推定手法」信号処理シンポジウム，2023年11月．

17. 加藤大樹，飯盛寛貴，プラダン チャンダン，マロムソキ サボルチ，石川直樹：「時変性チャネルにおけるデータ搬送参照信号の性能解析」第38回信号処理シンポジウム，2023年11月．

18. 飯盛寛貴，栗原英人，吉田拓実，マロムソキ サボルチ：「レピータ協調MIMOにおける増幅方式に関する一検討」信学技報，2023年7月．

19. Hiroki Iimori, Chandan Pradhan, Szabolcs Malomsoky, Naoki Ishikawa: "AI-assisted Transceiver Processing for Data-Carrying Reference Signaling"，信学技報，2023年7月．

20. 内村颯汰，石橋功至，飯盛寛貴，クライネ パウロ，マロムソキ サボルチ：「ミリ波通信のための圧縮センシングに基づいた低演算通信路追従法」信学技報，2023年3月．

21. 遠藤尚輝，飯盛寛貴，プラダン チャンダン，マロムソキ サボルチ，石川直樹：「グラスマン多様体によるデータ搬送参照信号の提案」信学技報，2023年3月．

22. 飯盛寛貴，マロムソキ サボルチ，フシュケ ヨーグ：「分散MIMOにおける動的時分割及び全二重通信に関する動向調査」第45回情報理論とその応用シンポジウム，登別，北海道，2022年12月．　

23. 内村颯汰，飯盛寛貴，アブレウ ジュゼッペ，石橋功至：「OFDM伝送を用いたミリ波通信のための確率的遮蔽を考慮したロバストビームフォーミング設計」信学技報，2022年8月．

24. 西祐耶，高橋拓海，飯盛寛貴，アブレウ ジュゼッペ，衣斐信介，三瓶政一：「時系列情報を用いたSMDS法に基づく屋内位置推定に関する一検討」信学技報，2022年5月．

25. 伊藤雅秋，菅野一生，山崎浩輔，安藤研吾，福榮秀都，飯盛寛貴，石橋功至：「バックホール伝送容量制約を考慮した複数中央処理局を用いたスケーラブルセルフリー大規模MIMOシステムの性能評価」信学技報，2021年10月．

26. 安藤研吾，飯盛寛貴，アブレウ ジュゼッペ，石橋功至：「セルフリー大規模MIMOのためのビームフォーミング設計と機密保持容量に対する一検討」信学技報，2021年10月.

27. 福榮秀都，飯盛寛貴，アブレウ ジュゼッペ，石橋功至：「ダイナミックTDDセルフリー大規模MIMOのための幾何平均最大化による資源割当およびビームフォーミング設計に関する一検討」信学技報，2021年10月．

28. 高橋拓海，飯盛寛貴，安藤研吾，石橋功至，衣斐信介，アブレウ ジュゼッペ：「低分解能ADCを用いたスケーラブルセルフリー大規模MIMOのための通信路とデータの同時推定手法に関する一検討」信学技報，2021年10月．

29. 内村颯汰，飯盛寛貴，石橋功至，村上隆秀，新保宏之：「複数基地局連携ビームフォーミングを用いたミリ波通信における遮蔽予測と通信性能のトレードオフに関する実験的検証」信学技報，2021年10月．

30. 内村颯汰，飯盛寛貴，アブレウ ジュゼッペ，石橋功至：「ミリ波通信路における確率的遮蔽を考慮した低演算量ロバストビームフォーミング設計に関する一検討」信学技報，2021年8月．

31. サイトウ ゲレイロ アンドレ，飯盛寛貴，石橋功至：「Low Latency Beam-Sweeping for Millimeter-Wave Partially Connected Arrays」信学技報，2021年8月．

32. 福榮秀都，飯盛寛貴，アブレウ ジュゼッペ，石橋功至；「ダイナミックTDDを用いたセルフリー大規模MIMOのためのユーザの公平性を考慮したリソース割当及びビームフォーミング設計に関する一検討」信学技報，2021年8月．

33. 安藤研吾，飯盛寛貴，アブレウ ジュゼッペ，石橋功至；「容量制約のあるフロントホールを用いたスケーラブルセルフリー大規模MIMOのためのアンテナ構成と受信機設計」信学技報，2021年8月．

34. 安藤研吾，飯盛寛貴，アブレウ ジュゼッペ，石橋功至：「全二重セルフリーMIMOのためのテンソル信号処理を用いた送受信ビームフォーマー設計」信学技報，2021年6月．

35. 安藤研吾，飯盛寛貴，アブレウ ジュゼッペ，石橋功至：「セルフリーMIMOネットワークのためのテンソル信号処理を用いた送受信ビームフォーマ設計法」信学技報，vol. 120，no. 404，RCS2021-3，pp. 252-257，2021年3月．

36. 飯盛寛貴，高橋拓海，石橋功至，アブレウジュゼッペ：「セルフリー MIMO におけるグラントフリー接続のための 双線形推論に関する一検討」信学総大，2021年3月．

37. 福榮秀都，飯盛寛貴，アブレウ ジュゼッペ，石橋功至：「セルフリー大規模MIMOのためのユーザの公平性を考慮したダイナミックTDD割当方式に関する一検討」信学総大，2021年3月．

38. 福榮秀都，飯盛寛貴，アブレウ ジュゼッペ，石橋功至：「セルフリー大規模MIMOのための分数計画法を用いたダイナミックTDD割当方式に関する一検討」信学技報，RCS2020-12，オンライン，2020年12月.

39. 原 郁紀，飯盛寛貴，石橋功至, “OFDMに基づいたグラントフリー非直交多元接続のためのハイパーパラメータフリー受信機,” 信学ソ大，B-5-11，2020年9月．

40. 岡部亮，飯盛寛貴，石橋功至：「確率的遮蔽を伴うミリ波通信のためのロバストビームフォーミング設計に関する一検討」信学技報，RCS2020-84，pp. 29-34，2020年8月．

41. 安藤研吾，飯盛寛貴，石橋功至，アブレウ ジュゼッペ：「分散MIMOネットワークのための離散入力制約に基づいた受信機設計とそのアンテナ配置に関する一検討」信学技報，vol. 120，no. 10，RCS2020-7，pp. 37-42，2020年4月．

42. 廣澤直也，飯盛寛貴，石橋功至，アブレウ ジュゼッペ：「環境発電を用いた多元接続通信路における最小情報鮮度を実現する最適送信法」信学技報，vol. 120，no. 10，RCS2020-8，pp. 43-48，2020年4月．

43. 飯盛寛貴，石橋功至，アブレウ ジュゼッペ：「下り電力領域 NOMA伝送のための分数計画法を用いたロバストビームフォーミング設計に関する一検討」信学技報，vol. 119，no. 109，SR2019-25，pp. 37-42，2019年7月．

44. 西川峻也，飯盛寛貴，高山　茂，アブレウ ジュゼッペ：「ミリ波非直交多元接続のためのプリコーディング設計に関する一検討」第41回情報理論とその応用シンポジウム，福島，2018年12月．

45. 飯盛寛貴，高山　茂，ストイカアンドレイ，アブレウジュゼッペ：「非直交多元接続方式のためのQR分解を用いたフレーム理論によるプリコーディング設計に関する一検討」第41回情報理論とその応用シンポジウム，福島，2018年12月．

46. 飯盛寛貴，アブレウ ジュゼッペ：「線形フィルター及びMulti-tap Analog cancellerによる自己干渉除去方式を用いた無線全二重MIMO通信に関する一検討」信学技報，vol. 118，no. 12，RCS2018-7，pp. 37-42，2018年4月．

47. 飯盛寛貴，アブレウ ジュゼッペ：「非線形AWGN下における確率変調変形を用いた相互情報量最大化に関する一検討」信学技報，vol. 117，no. 456，RCS2017-401，pp. 459-464，2018年2月．

48. 西川峻也，飯盛寛貴，アブレウ ジュゼッペ：「フレーム理論を用いた非直交多元接続方式」信学技報，vol. 117，no. 456，RCS2017-402，pp. 465-468，2018年2月．

49. Hiroki Iimori，Tatsuya Uchida，Giuseppe Abreu：「Statistical Model of Non-Linear Additive Noisy Wireless Channels」第40回情報理論とその応用シンポジウム，新潟，2017年12月．

50. 西川峻也，飯盛寛貴，アブレウジュゼッペ：「凸最適化による非相関複素UNTFの構築」第40回情報理論とその応用シンポジウム，新潟，2017年12月．