Yuyuan Chang and Kazuhiko Fukawa (Institute of Science Tokyo), “PAPR Reduction for OFDM Mobile Wireless Communications by Constant-Amplitude Signal Decomposition,” IEEE Access, vol.13, pp. 54672-54685, March 2025.
Zijie Liang, Kazuhiko Fukawa, Yuyuan Chang (Institute of Science Tokyo), “Slotted Unsourced Random Access Using Massive MIMO over Frequency Selective Channels,” IEICE Transactions on Communications, vol. E108-B, no. 5, pp. 640-655, May 2025.
Kohei Nozaki, Yuyuan Chang, Kazuhiko Fukawa (Institute of Science Tokyo), Daichi Hirahara (Japan Aerospace Exploration Agency), “Multiuser Detection with Accurate Channel Estimation for Collided AIS Packets,” IEICE Transactions on Communications, vol.E108-B, no.2 pp.152-163, February 2025.
International Conference
Hao Jia (Institute of Science Tokyo), Yuchen Wu (The University of Tokyo), Gan Srirutchataboon (Institute of Science Tokyo), and Kazuhiko Fukawa (Institute of Science Tokyo), “Pilot-based PSC Fractional Channel Estimation for Self-Adaptive AFDM Communications,” 2025 30th Asia-Pacific Conference on Communications (APCC), Osaka, Japan, November 2025, pp. 1-6.
Zijie Liang (Institute of Science Tokyo), Binbin Yang (Sun Yat-sen University), Yun Li (The University of Tokyo), and Kazuhiko Fukawa (Institute of Science Tokyo), “Unsourced Random Access Using Transformer over Massive MIMO Time-variant Channels,” 2025 30th Asia-Pacific Conference on Communications (APCC), Osaka, Japan, November 2025, pp. 1-6.
Domestic Conference
Shuxuan Wang, Kazuhiko Fukawa (Institute of Science Tokyo), and Satoshi Suyama (NTT DOCOMO), “Real-Zero Based Frequency Down-Converter and Signal Detector for OFDM Wireless Communications,” IEICE Society Conference, A-8-15, September 2025.
Zeyu Chen, Gan Srirutchataboon, and Fukawa Kazuhiko (Institute of Science Tokyo), “Parameter Estimation of Intelligent Reflecting Surface by Reinforcement Learning for Wireless Communications,” IEICE Society Conference, B-5A-08, September 2025.
Zebang Deng, Kazuhiko Fukawa (Institute of Science Tokyo), and Satoshi Suyama (NTT DOCOMO), “Constant-Amplitude OFDM with Beamforming and Phase-Noise Mitigation for Millimeter-Wave Communications,” IEICE Society Conference, B-5A-52, September 2025.
Zijie Liang (Institute of Science Tokyo), Binbin Yang (Sun Yat-sen University), Yun Li (The University of Tokyo), and Kazuhiko Fukawa (Institute of Science Tokyo), “Unsourced Random Access Employing Deep Learning over Time-Variant Channels,” IEICE Society Conference, B-5B-31, September 2025.
Hozumi Okawa and Kazuhiko Fukawa (Institute of Science Tokyo), “Target Detection Employing Variational Bayesian Inference with Horseshoe Prior for Pulse Radar Systems,” IEICE Society Conference, B-2-01, September 2025. (in Japanese)
Zeyu Chen, Gan Srirutchataboon, and Kazuhiko Fukawa (Institute of Science Tokyo), “Parameter Estimation of Intelligent Reflecting Surface by Deep Reinforcement Learning for Wireless Communications,” IEICE Technical Report, vol. 125, no. 163, RCS2025-104, pp. 37-42, August 2025.
Shuxuan Wang, Kazuhiko Fukawa (Institute of Science Tokyo), and Satoshi Suyama (NTT DOCOMO), “Real-Zero Based Frequency Down-Converter and Signal Detector for OFDM Wireless Communications,” IEICE Technical Report, vol. 125, no. 163, RCS2025-105, pp. 43-48, August 2025.
Zebang Deng, Kazuhiko Fukawa (Institute of Science Tokyo), and Satoshi Suyama (NTT DOCOMO), “Enhanced CA-OFDM Employing Beamforming Tracking and Compensation for Phase Noise in Millimeter-Wave Communications,” IEICE Technical Report, vol. 125, no. 163, RCS2025-106, pp. 49-54, August 2025.
Keigo Shimada and Kazuhiko Fukawa (Institute of Science Tokyo), “IQ imbalance and nonlinear amplifier compensation techniques based on polynomial regression for wireless circuits,” IEICE Technical Report, RCS2024-293 ,March 2025. (in Japanese)
Liu He, Hao Jia, and Kazuhiko Fukawa (Institute of Science Tokyo), “Iterative Joint Equalization and Channel Decoding for Faster-Than-Nyquist Signals over Wireless Fading Channels,” IEICE Technical Report, vol. 124, no. 409, RCS2024-299, pp. 208-213, March 2025.
Zebang Deng, Kazuhiko Fukawa (Institute of Science Tokyo), and Satoshi Suyama (NTT DOCOMO), “Constant Amplitude OFDM with the Same Symbol Length for Millimeter-Wave Wireless Communications,” IEICE Technical Report, RCS2024-298, March 2025.
Liu He (Institute of Science Tokyo), “Iterative Joint Equalization and Channel Decoding for Faster-Than-Nyquist Signals over Fading Channels,” IEICE General Conference, B-5A-01, March 2025.
Hao Jia (Institute of Science Tokyo), Yuchen Wu (The University of Tokyo), and Kazuhiko Fukawa (Institute of Science Tokyo), “Self-Adaptive AFDM Communication System based on Reinforcement Learning,” IEICE General Conference, BS-1-10, March 2025.
Binu Shrestha, Yuyuan Chang, and Kazuhiko Fukawa (Tokyo Institute of Technology), “Device-to-device communications employing fog nodes using parallel and serial interference cancelers,” IEICE Transactions on Communications, vol. E107-B, no. 1, pp. 223-231, January 2024.
International Conference
Khin Thandar Kyaw, Wiroonsak Santipach (Kasetsart University), Kritsada Mamat (King Mongkut's University of Technology), Kamol Kaemarungsi (National Electronics and Computer Technology Center, NSTDA), and Kazuhiko Fukawa (Tokyo Institute of Technology), “Optimization of Transmit Beamforming Using Channel Covariances for MISO Downlink Assisted by Reconfigurable Intelligent Surfaces,” 2024 21st International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON), Khon Kaen, Thailand, May 2024, pp. 1-6.
Patipon Petchtone, Denchai Worasawate (Kasetsart University), Tiwat Pongthavornkamol (National Electronics and Computer Technology Center, NSTDA), Kazuhiko Fukawa, and Yuyuan Chang (Tokyo Institute of Technology), “Experimental results on FMCW radar based Human Recognition using only Doppler information,” 2024 21st International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON), Khon Kaen, Thailand, May 2024, pp. 1-5.
Domestic Conference
Zijie Liang, Kazuhiko Fukawa, and Yuyuan Chang (Tokyo Institute of Technology), “Unsourced random access employing massive MIMO over frequency selective channels,” IEICE Society Conference, B-5A-41, September 2024
ZhiYuan Zhangn, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Institute of Technology), “Non-Orthogonal Multiple Access Schemes with Irregular Constellations for Mobile Channels,” IEICE Society Conference,B-5A-42, September 2024
ZhiYuan Zhang, Yuyuan Chang, and Kazuhiko Fukawa (Tokyo Institute of Technology), “Bit-Domain Non-Orthogonal Multiple Access Schemes with Irregular Constellations for Mobile Channels,” IEICE Technical Report, RCS2024-125, pp. 48-53, August 2024.
Yuyuan Chang and Kazuhiko Fukawa, “Theoretical analysis of linear compensation for IQ Imbalance in mobile communications circuits,” IEICE General ConferenceB-5A-79, Mar. 2024. (in Japanese)
Keigo Shimada, Kazuhiko Fukawa, and Yuyuan Chang (Tokyo Institute of Technology), “Machine learning based compensation for IQ imbalance and nonlinear amplification of wireless communications circuits,” IEICE General Conference B-5A-78, March 2024. (in Japanese)
Yuki Ono, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Institute of Technology), Satoshi Suyama, and Takahiro Asai (NTT DOCOMO), “Time-varying channel prediction based on angle variation model for analog-digital-hybrid massive MIMO communications,” IEICE General Conference B-5A-54, March 2024. (in Japanese)
Keigo Shimada, Kazuhiko Fukawa, and Yuyuan Chang (Tokyo Institute of Technology), “Compensation schemes for IQ imbalance and nonlinear amplification using machine learning techniques,” IEICE Technical Report, vol. 123, no. 434, RCS2023-291, pp. 170-175, March 2024. (in Japanese)
Yuyuan Chang and Kazuhiko Fukawa (Tokyo Institute of Technology), “Predistortion Exploiting Linear Estimation and Its Residual Errors for IQ Imbalance and Nonlinear Amplification in Wireless Communications Circuits,” IEICE Technical Report, vol. 123, no. 434, RCS2023-290, pp. 164-169, March 2024. (in Japanese)
Yuki Ono, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Institute of Technology), Satoshi Suyama, and Takahiro Asai (NTT DOCOMO), “Time-varying channel prediction considering angle-of-arrival variation for hybrid massive MIMO communications,” IEICE Technical Report, vol. 123, no. 434, RCS2023-287, pp. 146-151, March 2024. (in Japanese)
Yuyuan Chang and Kazuhiko Fukawa (Tokyo Institute of Technology), “Non-orthogonal multiple access based on orthogonal space-time block codes for mobile communications,” IEICE Transactions on Communications.,vol. E106-B, no. 10, pp. 1024-1033, Octorber. 2023.
International Conference
Zijie Liang (Tokyo Institute of Technology), Yiwei Su (Xidian University), Huiying Song, Kazuhiko Fukawa, and Yuyuan Chang (Tokyo Institute of Technology), “A slotted polar random spreading scheme for massive MIMO unsourced random access,” 2023 IEEE 98th Vehicular Technology Conference (VTC2023-Fall), Hong Kong, October 2023, pp. 1-5.
Yun Li, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Institute of Technology), and Naoki Kodama (Meiji University), “Reinforcement learning-based cognitive radio transmission scheduling in vehicular systems,” 2023 IEEE 97th Vehicular Technology Conference (VTC2023-Spring), Florence, Italy, June 2023, pp. 1-5.
Huiying Song, Yuyuan Chang, and Kazuhiko Fukawa (Tokyo Institute of Technology), “A CSI-based construction scheme for GN-Coset codes over frequency selective fading channels,” 2023 IEEE 97th Vehicular Technology Conference (VTC2023-Spring), Florence, Italy, June 2023, pp. 1-5.
Yuki Ono, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Institute of Technology), Satoshi Suyama, and Takahiro Asai (NTT DOCOMO), “Time-varying channel prediction for pilot contamination mitigation in hybrid massive MIMO communications,” 2023 IEEE 97th Vehicular Technology Conference (VTC2023-Spring), Florence, Italy, June 2023, pp. 1-5.
Domestic Conference
Kohei Nozaki, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Institute of Technology), and Daichi Hirahara (Japan Aerospace Exploration Agency), “Low-complexity multiuser detection of multiple collided packets in space-based AIS experiments,” IEICE Technical Report,vol.122, no. 409, SAT2022-71, pp. 87-92, March 2023. (in Japanese)
Yuki Ono, Yuyuan Chang, Kazuhiko Fukawa, (Tokyo Institute of Technology) Satoshi Suyama, and Takahiro Asai (NTT DOCOMO), “Time-varying channel prediction for pilot contamination alleviation in hybrid massive MIMO communications,” IEICE Technical Report, vol.122, no. 399, RCS2022-296, pp. 255-260, March 2023. (in Japanese)
Kohei Nozaki, Yuyuan Chang, and Kazuhiko Fukawa (Tokyo Institute of Technology), “Low-complexity signal detection for more than two collided packets in space-based AIS,” IEICE General Conference,B-5-58, March 2023. (in Japanese)
Yuki Ono, Yuyuan Chang, Kazuhiko Fukawa, (Tokyo Institute of Technology) Satoshi Suyama, and Takahiro Asai (NTT DOCOMO), “ハイブリッド型Massive MIMOにおけるパイロット汚染対策のための時変動チャネル予測,” IEICE General Conference, B-5-103, March 2023. (in Japanese)
Zhengjun Qian, Yuyuan Chang, and Kazuhiko Fukawa (Tokyo Institute of Technology), “Iterative maximum likelihood detection schemes for faster-than-Nyquist signals,” IEICE Technical Report,vol. 123, no. 172, RCS2023-114, pp. 61-66, August 2023.
Yun Li, Yuyuan Chang, and Kazuhiko Fukawa (Tokyo Institute of Technology), “Resource management using reinforcement learning for V2X communications to support autonomous driving,” IEICE Technical Report, vol. 123, no. 172, RCS2023-115, pp. 67-72, August 2023.
Zhengjun Qian, Yuyuan Chang, and Kazuhiko Fukawa (Tokyo Institute of Technology), “Iterative MLD receiver for faster-than-Nyquist signals,” IEICE Society Conference, B-5-23, September 2023.
Yun Li, Yuyuan Chang, and Kazuhiko Fukawa (Tokyo Institute of Technology), “Optimized channel selection in vehicular systems using reinforcement learning techniques,” IEICE Society ConferenceB-5-2, September 2023.
Huiying Song, Yuyuan Chang, and Kazuhiko Fukawa (Tokyo Institute of Technology), “Encoding and Decoding of Polar Codes for Frequency Selective Fading Channels,” 2022 IEEE 95th Vehicular Technology Conference: (VTC2022-Spring), Helsinki, Finland, June 2022.
Kohei Nozaki, Yuyuan Chang, and Kazuhiko Fukawa (Tokyo Institute of Technology), Daichi Hirahara (Japan Aerospace Exploration Agency), “Signal Separation of Collided AIS Packets Employing Iterative Channel Parameter Estimation in Space-based AIS,” 2022 IEEE 95th Vehicular Technology Conference: (VTC2022-Spring), Helsinki, Finland, June 2022.
Domestic Conference
Tianhao Dong, Yuyuan Chang, and Kazuhiko Fukawa (Tokyo Institute of Technology), “BEM based Adaptive Signal Detection for Underwater Acoustic MIMO-OFDM Communications,” IEICE Society Conference, B-5-43, September 2022.
Meng Yan, Yuyuan Chang, and Kazuhiko Fukawa (Tokyo Institute of Technology), “Random Phase and Pattern Schemes for Wireless Physical Layer Security,” IEICE Society Conference, B-5-40, September 2022.
Binu Shrestha, Yuyuan Chang, and Kazuhiko Fukawa (Tokyo Institute of Technology), “Device-to-Device Communications via Fog Nodes using Parallel Interference Cancellation,” IEICE Society Conference, B-5-33, September 2022.
Zihan Wang, Yuyuan Chang, and Kazuhiko Fukawa (Tokyo Institute of Technology), “Constant Amplitude NOMA-OFDM Wireless Communication System,” IEICE Society Conference, B-5-30, September 2022.
Haoxiang Luan, Yuyuan Chang, and Kazuhiko Fukawa (Tokyo Institute of Technology), “Power Control Based on Multi-layer FISTA for Small Cell MIMO Networks,” IEICE Society Conference, B-5-7, September 2022.
Yuchen Liu, Yuyuan Chang, and Kazuhiko Fukawa (Tokyo Institute of Technology), “A Distributed Reinforcement Learning Approach for Inter-Cell Interference Coordination,” IEICE Society Conference, B-5-6, September 2022.
Naoto Tamada, Yuyuan Chang, and Kazuhiko Fukawa (Tokyo Institute of Technology), “教師なし学習のCNNに基づく送信電力及び送信ビームフォーミング協調制御,” IEICE Society Conference, B-5-5, September 2022. (in Japanese)
Yuchen Liu, Yuyuan Chang, and Kazuhiko Fukawa (Tokyo Institute of Technology), “Multi-Agent Deep Q-Learning based Inter-Cell Interference Coordination for Cellular Systems,” IEICE Technical Report, vol. 122, no. 164, RCS2022-119, pp. 126-131, August 2022.
Naoto Tamada, Yuyuan Chang, and Kazuhiko Fukawa (Tokyo Institute of Technology), “Inter-cell Interference Control by Joint Transmit Power and Transmit Beamforming Control based on Machine Learning,” IEICE Technical Report, vol. 122, no. 164, RCS2022-118, pp. 120-125, August 2022. (in Japanese)
Zihan Wang, Yuyuan Chang, and Kazuhiko Fukawa (Tokyo Institute of Technology), “Constant Amplitude Modulation for NOMA-OFDM Wireless Communications,” IEICE Technical Report, vol. 122, no. 164, RCS2022-115, pp. 102-107, August 2022.
Haoxiang Luan, Yuyuan Chang, and Kazuhiko Fukawa (Tokyo Institute of Technology), “Transmit Power Control for MIMO Small Cells Networks Employing Neural Networks with Compressed Sensing Algorithms,” IEICE Technical Report, vol. 122, no. 164, RCS2022-117, pp. 114-119, August 2022.
Binu Shrestha, Yuyuan Chang, and Kazuhiko Fukawa (Tokyo Institute of Technology), “Device-to-Device Communications Employing Fog Nodes with Parallel Interference Cancellers,” IEICE Technical Report, vol. 122, no. 164, RCS2022-105, pp. 48-53, August 2022.
Meng Yan, Yuyuan Chang, and Kazuhiko Fukawa (Tokyo Institute of Technology), “Random Phase based Physical Layer Security Scheme Robust against Multi-antenna Eavesdroppers,” IEICE Technical Report,vol. 122, no. 164, RCS2022-104, pp. 42-47, August 2022.
Tianhao Dong, Yuyuan Chang, and Kazuhiko Fukawa (Tokyo Institute of Technology), “Joint Time-Variant Channel Estimation and Signal Detection for Underwater Acoustic MIMO-OFDM Communications,” IEICE Technical Report, vol. 122, no. 164, RCS2022-103, pp. 36-41, August 2022.
Kohei Nozaki, Yuyuan Chang, and Kazuhiko Fukawa (Tokyo Institute of Technology), and Daichi Hirahara (Japan Aerospace Exploration Agency), “Multiuser Detection of Collided AIS Packets using Iterative Channel Estimation,” IEICE Technical Report,vol. 121, no. 379, SAT2021-61, pp. 51-56, February 2022. (in Japanese)
Yuki Ono, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Institute of Technology), Satoshi Suyama, and Takahiro Asai (NTT DOCOMO), “Channel Estimation Scheme Robust against Pilot Contamination for Hybrid Beamforming Massive MIMO Systems,” IEICE Technical Report, vol. 121, no. 391, RCS2021-270, pp. 102-107, March 2022. (in Japanese)
Yu Terauchi, Yuyuan Chang, and Kazuhiko Fukawa (Tokyo Institute of Technology), “A Constant Amplitude OFDM Scheme to Compensate for Phase Noise over Millimeter Wave Wireless Channels,” IEICE Technical Report, vol. 121, no. 391, RCS2021-251, pp. 1-6, March 2022. (in Japanese)
Yurika Matsumoto, Yuyuan Chang, and Kazuhiko Fukawa (Tokyo Institute of Technology), “Random-Phase based Physical-Layer Security Scheme Robust against Time-Variant MIMO Channels,” IEICE Technical Report, vol. 121, no. 391, RCS2021-252, pp. 7-12, March 2022. (in Japanese)
Yang Yang, Yuyuan Chang, and Kazuhiko Fukawa, “OFDM Wireless Receivers based on Time-to-Digital Conversion,” IEICE Technical Report, vol. 121, no. 391, RCS2021-292, pp. 201-206, March 2022.
Yuki Ono, Yuyuan Chang, Kazuhiko Fukawa, (Tokyo Institute of Technology) Satoshi Suyama, and Takahiro Asai (NTT DOCOMO), “ハイブリッド型Massive MIMOにおけるパイロット汚染を低減するチャネル推定法,” IEICE General Conference, B-5-63, March 2022. (in Japanese)
Yu Terauchi, Yuyuan Chang, and Kazuhiko Fukawa (Tokyo Institute of Technology), “ミリ波帯無線通信における位相雑音に耐性がある定振幅OFDM伝送方式,” IEICE General Conference, B-5-34, March 2022. (in Japanese)
Yurika Matsumoto, Yuyuan Chang, and Kazuhiko Fukawa (Tokyo Institute of Technology), “MIMO無線通信の時変動チャネルへ追従可能な物理層暗号方式,” IEICE General Conference, B-5-84, March 2022. (in Japanese)
Hideya So, Kazuhiko Fukawa (Tokyo Institute of Technology), Hayato Soya (neko 9 Laboratories), and Yuyuan Chang (Tokyo Institute of Technology),“Metric-Combining Multiuser Detection Using Replica Cancellation with RTS and Enhanced CTS for High-Reliable and Low-Latency Wireless Communications,” IEICE Transactions on Communications, vol. E104-B, no. 11, pp. 1441-1453, 2021.
Hideya So (Tokyo Institute of Technology) (Shonan Institute of Technology), Hayato Soya (neko 9 Laboratories), and Kazuhiko Fukawa (Tokyo Institute of Technology), “Spectrum Sensing Scheme Measuring Packet Lengths of Interfering Systems for Dynamic Spectrum Sharing,” IEEE Access, vol. 9, pp. 135160-135166, 2021.
International Conference
Kittikom Sangrit (Sirindhorn International Institute of Technology), Jessada Karnjana (National Electronics and Computer Technology Center, NSTDA), Seksan Laitrakun (Sirindhorn International Institute of Technology), Kazuhiko Fukawa (Tokyo Institute of Technology), Somchart Fugkeaw (Sirindhorn International Institute of Technology), and Suthum Keerativittayanun (National Electronics and Computer Technology Center, NSTDA), “Distance Estimation Between Wireless Sensor Nodes Using RSSI and CSI with Bounded-Error Estimation and Theory of Evidence for a Landslide Monitoring System,” 2021 13th International Conference on Information Technology and Electrical Engineering (ICITEE), Chiang Mai, Thailand, October 2021, pp. 40-45.
Kohei Nozaki, Yuwa Takanezawa, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Institute of Technology), and Daichi Hirahara (Japan Aerospace Exploration Agency), “Multiuser Detection of Collided AIS Packets with Accurate Estimates of Doppler Frequencies,” 2021 IEEE 93rd Vehicular Technology Conference (VTC2021-Spring), Helsinki, Finland, April 2021, pp. 1-5.
Aman Worasutr (Kasetsart University), Denchai Worasawate(Kasetsart University), Tiwat Pongthavornkamol (National Electronics and Computer Technology Center, NSTDA), and Kazuhiko Fukawa (Tokyo Institute of Technology), “Improved Human Detection Algorithm by Indoor W-Band FMCW RADAR using K-means Technique,” 2021 9th International Electrical Engineering Congress (iEECON), Pattaya, Thailand, March 2021, pp. 571-574.
Domestic Conference
Yuyuan Chang and Kazuhiko Fukawa (Institute of Science Tokyo), “移動通信におけるSTBCに基づくNOMA方式,” IEICE Society Conference, B-5-44, September 2021. (in Japanese)
Huiying Song, Yuyuan Chang, and Kazuhiko Fukawa (Tokyo Institute of Technology), “Frozen Bits Design of Polar Codes over Frequency Selective Fading Channels,” IEICE Society Conference, B-5-27, September 2021.
Kohei Nozaki, Yuwa Takanezawa, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Institute of Technology), and Daichi Hirahara (Japan Aerospace Exploration Agency), “衛星搭載AISにおける高精度ドップラ周波数推定を伴う衝突パケットの反復チャネル推定,” IEICE Society Conference, B-5-22, September 2021. (in Japanese)
Naoto Tamada, Yuyuan Chang, and Kazuhiko Fukawa (Tokyo Institute of Technology), “CNNを用いたMIMO無線通信ネットワークの送信電力及びビームフォーミング制御,” IEICE Society Conference, B-5-26, September 2021. (in Japanese)
Huiying Song, Yuyuan Chang, and Kazuhiko Fukawa (Tokyo Institute of Technology), “Encoding and Decoding of Polar Codes for Frequency Selective Fading Channels,” IEICE Technical Report, vol. 121, no. 153, RCS2021-99, pp. 1-6, August 2021.
Naoto Tamada, Yuyuan Chang, and Kazuhiko Fukawa (Tokyo Institute of Technology), “Joint Transmit Power and Beamforming Control based on Unsupervised Machine Learning for MIMO Wireless Communication Networks,” IEICE Technical Report, vol. 121, no. 113, CS2021-29, pp. 63-68, July 2021. (in Japanese)
Kohei Nozaki, Yuyuan Chang, Kazuhiko Fukawa (Institute of Science Tokyo), Daichi Hirahara (Japan Aerospace Exploration Agency), “衛星搭載AISにおける衝突パケット数3以上の信号検出,” IEICE General Conference, B-5-103, March 2021. (in Japanese)
Hiroyuki Kyoshima, Yuyuan Chang, Kazuhiko Fukawa (Institute of Science Tokyo), “D2D通信における干渉キャンセル機能付きFog Nodeを用いた無線リソース共有,” IEICE General Conference, B-5-91, March 2021. (in Japanese)
Kenta Tsuge, Yuyuan Chang, Kazuhiko Fukawa (Institute of Science Tokyo), Satoshi Suyama, and Takahiro Asai (NTT DOCOMO), “ハイブリッド型Massive MIMOにおけるマルチクラスター時変動チャネルの適応予測,” IEICE General Conference, B-5-58, March 2021. (in Japanese)
Kenta Tsuge, Yuyuan Chang, Kazuhiko Fukawa (Institute of Science Tokyo), Satoshi Suyama, and Takahiro Asai (NTT DOCOMO), “Adaptive Channel Prediction over Multi-Cluster and Time-Varying Channels for Analog-Digital-Hybrid Massive MIMO Systems,” IEICE Technical Report, RCS2020-252, March 2021. (in Japanese)
Hiroyuki Kyoshima, Yuyuan Chang, Kazuhiko Fukawa (Institute of Science Tokyo), “Wireless Resource Reuse Employing Fog Nodes with Interference Cancellation for D2D Communications,” IEICE Technical Report, RCS2020-209, March 2021. (in Japanese)
Kohei Nozaki, Yuwa Takanezawa, Yuyuan Chang, Kazuhiko Fukawa (Institute of Science Tokyo), Daichi Hirahara (Japan Aerospace Exploration Agency), “Signal Decomposition of Collided Packets Employing Highly Accurate Estimation of Doppler Frequencies in Space-based AIS,” IEICE Technical Report, SAT2020-38, February 2021. (in Japanese)