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=============================================== Technical Committee on Radio Communication Systems (RCS) Chair: Kenichi Higuchi (Tokyo Univ. of Science) Vice Chair: Fumihide Kojima (NICT), Osamu Muta (Kyushu Univ.), Naoto Ishii (NEC) Secretary: Koichi Adachi (Univ. of Electro-Comm), Osamu Nakamura (Sharp), Manabu Sakai (Mitsubishi Electric) Assistant: Masashi Iwabuchi (NTT), Issei Kanno (KDDI Research), Yuyuan Chang (Tokyo Inst. of Tech), Kazuki Maruta (Tokyo Univ. of Science), Kiichi Tateishi (NTT Docomo) DATE: Wed, Jun 14, 2023 09:30 - 18:20 Thu, Jun 15, 2023 09:30 - 18:20 Fri, Jun 16, 2023 09:30 - 16:25 PLACE: Hokkaido Univerisity TOPICS: First Presentation in IEICE Technical Committee, Resource Control, Scheduling, Wireless Communications, etc. ---------------------------------------- Wed, Jun 14 AM (09:30 - 10:30) ---------------------------------------- (1) 09:30 - 09:40 Study on Subarray Beam Control for Sub-Terahertz-Band MIMO Spatial Multiplexing Naoki Hamada, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Takeo Ohgane (Hokkaido Univ.) (2) 09:40 - 09:50 Study on Characteristic Improvement of Direct-Binary Search Leveraged Loose Beam Forming in Massive MIMO Systems Yuta Hayashi, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Takeo Ohgane (Hokkaido Univ.) (3) 09:50 - 10:00 A Study on Vector Perturbation Method Using MCMC in Massive MIMO Shunsuke Kakuta (Hokkaido Univ.), Junichiro Hagiwara (Mukogawa Women's Univ.), Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Takeo Ohgane (Hokkaido Univ.) (4) 10:00 - 10:10 An Experimental Evaluation of the Performance Improvement by MIMO in Wireless LAN Relay Systems Using Drones Shion Kawabe, Hiraku Okada, Chedlia Ben Naila, Masaaki Katayama (Nagoya Univ.) (5) 10:10 - 10:20 A Study on performance improvement of uplink multi user radio encypted MIMO transmission scheme using accurate probability calculation Seiya Yamashita, Yuki Mori, Ryo Tozawa, Eiji Okamoto (NITech), Tetsuya Yamamoto (Panasonic) ----- Break ( 10 min. ) ----- ---------------------------------------- Wed, Jun 14 AM (10:30 - 14:30) ---------------------------------------- (6) 10:30 - 10:40 Scalable Network-Assisted Full-Duplex Cell-Free Massive MIMO Systems with Limited Fronthaul Capacity Koushi Okui (UEC), Kengo Ando (CU), Koji Ishibashi (UEC) (7) 10:40 - 10:50 Physical Layer Authentication Based on Mahalanobis Distance Over Spacially Correlated MIMO Channels Kenta Miwa (UEC), Kengo Ando, Giuseppe Abreu (CU), Koji Ishibashi (UEC) (8) 10:50 - 11:00 Packet Collision Avoidance Using Clustering in LoRAWAN ClassB Takahiro Saraya, Aoto Kaburaki, Koichi Adachi (UEC) (9) 11:00 - 11:10 A Study on Frequency Prism in Intelligent Reflecting Surfaces with Delay Elements over Terahertz Bands Shuta Sekimori, Yuichi Kawamoto, Nei Kato (Tohoku Univ.) (10) 11:10 - 11:20 A study on relationship between split control of intelligent reflecting surface and date rate Taishi Endo, Yuichi Kawamoto, Nei Kato (Tohoku Univ.), Masashi Iwabuchi, Tomoaki Murakami (NTT) (11) 11:20 - 11:30 System design and evaluation of interference control based on BSS coloring mechanism in WLAN Riku Miura, Gia Khanh Tran (Tokyo Tech), Yohsuke Yamamoto, Kohei Fukuda, Masami Kishida, kentaro Nakade, Takayuki Nii (Furuno Systems Co.) ----- Lunch Break ( 75 min. ) ----- ----- Break ( 15 min. ) ----- ---------------------------------------- Wed, Jun 14 PM (14:30 - 15:35) ---------------------------------------- (12) 14:30 - 14:55 Smart Mobility Digital Twin for Automated Driving: Design and Implementation Kui Wang, Zongdian Li, Tao Yu, Kei Sakaguchi (Tokyo Tech) (13) 14:55 - 15:20 Delivery System Optimization for Multiple Autonomous Vehicles : A DigitalTwin-Based Method and Implementation Kazuma Nonomura, Yu Tao, Kei Sakaguchi (Tokyo Tech) ----- Break ( 15 min. ) ----- ---------------------------------------- Wed, Jun 14 PM (15:35 - 17:05) ---------------------------------------- (14) 15:35 - 16:00 A Study on Accurate Beam Tracking Method Using Vehicle Location Information in 5G Millimeter Wave Vehicle Communication System Takumi Eboshita, Eiji Okamoto (NIT) (15) 16:00 - 16:25 Improvement in Interference Reduction Performance of Nullforming by HAPS for Spectrum Sharing with Terrestrial Systems Koji Tashiro, Kenji Hoshino, Atsushi Nagate (SoftBank) (16) 16:25 - 16:50 Performance Improvement of Multiuser Massive MIMO Null-Space Expansion by Multi-Antenna Receiver Beamforming Yuki Sasaki, Kazuki Maruta (Tokyo Univ. of Science) ----- Break ( 15 min. ) ----- ---------------------------------------- Wed, Jun 14 PM (17:05 - 18:20) ---------------------------------------- (17) 17:05 - 17:30 A Study on Data-Driven Resource Allocation for NOMA Downlink Ahmad Gendia, Osamu Muta (Kyushu Univ.) (18) 17:30 - 17:55 Bayesian Receiver Design for Grant-Free NOMA Based on Low-Density Structured OFDM Kohei Ueda (UEC), Takanori Hara (Tokyo Univ. of Science), Koji Ishibashi (UEC) (19) 17:55 - 18:20 LBT-based Resource Allocation Schemes Utilizing Periodicity of Traffic in LPWAN Aoto Kaburaki, Koichi Adachi (UEC), Osamu Takyu (Shinshu Univ.), Mai Ohta (Fukuoka Univ.), Takeo Fujii (UEC) ---------------------------------------- Thu, Jun 15 AM (09:30 - 10:30) ---------------------------------------- (20) 09:30 - 09:40 An Experiment-based Evaluation of Detection Performance on Antenna Placement of WLAN-based Indoor Object Detection Systems Using CSI Shunsuke Shimizu, Noguchi Kazuki, Osamu Muta (Kyushu Univ.), Tomoki Murakami, Shinya Otsuki (NTT) (21) 09:40 - 09:50 BLER Performance of Carrier Frequency Offset Compensation and Channel Estimation Methods Using Synchronization Signals for NR PBCH Takashi Ohiwa, Shun Yoneda, Mamoru Sawahashi (Tokyo City Univ.), Satoshi Nagata (NTT DOCOMO) (22) 09:50 - 10:00 Miss Detection Probability of NR PRACH in the Presence of CFO in Multi-Access Environments Yoshinobu Ohta, Takamichi Chiba, Mamoru Sawahashi (Tokyo City Univ.), Satoshi Suyama (NTT DOCOMO) (23) 10:00 - 10:10 A Study on Joint Peak Cancellation and In-band Distortion Compensation for Precoded Massive MIMO-OFDM with Uniform Planar Array, Part-II Mirena Omoto, Riku Nojima, Osamu Muta (Kyushu Univ.), Kazuki Maruta (Tokyo Univ. of Science) (24) 10:10 - 10:20 Investigation of PAPR Reduction Method Using Null Space in MIMO Channel for Massive MIMO-OFDM Signals with Uniform Planar Array Soma Taguchi (Tokyo Univ. of Science), Satoshi Suyama, Satoshi Nagata (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) ----- Break ( 10 min. ) ----- ---------------------------------------- Thu, Jun 15 AM (10:30 - 14:30) ---------------------------------------- (25) 10:30 - 10:40 PAPR Reduction Method Utilizing Difference in Eigenvalues Among Spatial Channels in Uplink Eigenmode Massive MIMO Transmission Yuta Abekura (Tokyo Univ. of Science), Satoshi Suyama, Satoshi Nagata (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) (26) 10:40 - 10:50 A Study on PAPR Reduction Method Based on Commonly Reserved Tones Among Multiple Users in FDMA Uplink Ryusei Yamazaki (Tokyo Univ. of Science), Satoshi Suyama, Satoshi Nagata (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) (27) 10:50 - 11:00 Investigations on Low-Complexity User-Specific TRP Selection Method in Downlink Distributed MIMO with Regularized ZF-Based Beamforming Hiroki Kato, Takanori Hara (Tokyo Univ. of Science), Satoshi Suyama, Satoshi Nagata (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) (28) 11:00 - 11:10 Investigation of Highly-Efficient Low-Latency Scheduling Method in Round-Trip Communication for Feedback Control Ryotaro Iizuka (Tokyo Univ. of Science), Yasuaki Yuda (Panasonic Holdings), Kenichi Higuchi (Tokyo Univ. of Science) (29) 11:10 - 11:20 Decentralized Probabilistic Frequency Block-Dependent Base Station Sleep Control for Improving Energy Efficiency Both in Up and Downlinks Hiroya Kuwahara (Tokyo Univ. of Science), Yuto Muroki, Satoshi Nagata (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) (30) 11:20 - 11:30 Investigations on Non-coherent Transmission Scheme for Grant-free NOMA Eiji Yoshimura, Takanori Hara, Kenichi Higuchi (Tokyo Univ. of Science) ----- Lunch Break ( 75 min. ) ----- ----- Break ( 15 min. ) ----- ---------------------------------------- Thu, Jun 15 PM (14:30 - 15:35) ---------------------------------------- (31) 14:30 - 15:20 [Invited Talk] New Research Trends Toward 6G Koji Ishibashi (UEC) ----- Break ( 15 min. ) ----- ---------------------------------------- Thu, Jun 15 PM (15:35 - 17:05) ---------------------------------------- (32) 15:35 - 16:00 Randomized DFT Spread Spectrally Efficient Frequency Division Multiplexing and Low-Complexity Expectation-Propagation Detection Kazuki Komatsu (Toyohashi Univ. of Tech.), Shun Kojima (Univ. of Tokyo), Hideyuki Uehara (Toyohashi Univ. of Tech.) (33) 16:00 - 16:25 Noise-Assisted Relaxation of Nonlinearity: A Basic Theoretical Study Kazuki Komatsu (Toyohashi Univ. of Tech.), Yuichi Miyaji (Aichi Inst. of Tech.), Hideyuki Uehara (Toyohashi Univ. of Tech.) (34) 16:25 - 16:50 Neural Network-Based Digital Pre-Distortion Using Same Coefficients for Compensating Frequency Band Dependent Nonlinearities of a Power Amplifier Ao Yamashita, Hiroto Sakaki, Hideyuki Nakamizo (Mitsubishi Electric Corporation) ----- Break ( 15 min. ) ----- ---------------------------------------- Thu, Jun 15 PM (17:05 - 18:20) ---------------------------------------- (35) 17:05 - 17:30 Performance Evaluation of Enhanced DL MU-MIMO for 5G-Advanced Takahisa Fukui, Ryota Morimoto, Kazunari Yokomakura (Sharp) (36) 17:30 - 17:55 Performance Evaluation of Uplink Simultaneous Transmission with Multiple Panels for 5G-Advanced Ryota Morimoto, Takahisa Fukui, Kazunari Yokomakura (Sharp) (37) 17:55 - 18:20 A Study on AP Antenna Configuration for Cell-Free Massive MIMO with Hybrid Beamforming in the Upper-mid Band. Shunsuke Kamiwatari, Masaaki Ito, Issei Kanno (KDDI Research, Inc.) ---------------------------------------- Fri, Jun 16 AM (09:30 - 10:30) ---------------------------------------- (38) 09:30 - 09:40 Evaluation of Impact of Fractional Delay on Digital Self-Interference Cancellers in USRP-Based Full-Duplex Terminals Kaisei Yamamoto, Kazuki Komatsu (Toyohashi Univ. of Tech.), Yuichi Miyaji (Aichi Inst. of Tech.), Hideyuki Uehara (Toyohashi Univ. of Tech.) (39) 09:40 - 09:50 Considerations on Self-Interference Canceller using DMRS in Full-Duplex Mobile Communications Takumi Yasaka (Kogakuin Univ.), Takayuki Yamada, Satoshi Suyama (NTT DOCOMO), Hiroyuki Otsuka (Kogakuin Univ.) (40) 09:50 - 10:00 A Study on Blind Self-Interference Canceller with Adaptive Differential Delay for IBFD in Frequency-Selective Fading Channels Koichi Nishikawa, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.) (41) 10:00 - 10:10 A Study on Autoencoder for ICA-Aided MIMO Blind Signal Separation Arata Kameda, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.) ----- Break ( 20 min. ) ----- ---------------------------------------- Fri, Jun 16 AM (10:30 - 14:30) ---------------------------------------- (42) 10:30 - 10:40 A Study on Neural Network-Aided Fine Tuning for Indoor Positioning based on BLE Angle of Arrival Ginji Ohashi, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.) (43) 10:40 - 10:50 Key Reconciliation in a Wireless Physical Layer Secret Key Agreement Using Adaptive Quantization Codewords Seiju Yoshida, Hideichi Sasaoka, Hisato Iwai, Shinsuke Ibi (Doshisha) (44) 10:50 - 11:00 A Study on Neural Network Aided Correction of Differential GNSS Positioning Using Auxiliary Base Station Yuki Higashino, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.) (45) 11:00 - 11:10 A Study on Adaptively Scaled Belief of PDA Iterative Receiver for QAM-FTN Signaling Rei Kajita, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.) (46) 11:10 - 11:20 Performance of Collaborative MIMO Reception with User Grouping Schemes Eiku Ando, Yukitoshi Sanada (Keio Univ.) (47) 11:20 - 11:30 Overloaded MIMO Demodulation using Belief Propagation MIMO Detection with MRC and MMSE pre-cancellation Yuto Suzuki, Yukitoshi Sanada (Keio Univ.) ----- Lunch Break ( 75 min. ) ----- ----- Break ( 15 min. ) ----- ---------------------------------------- Fri, Jun 16 PM (14:30 - 15:35) ---------------------------------------- (48) 14:30 - 14:55 SB-SPS Resource Management Scheme to Mitigate Half Duplex Problem in Platoon Relay Transmission using Sidelink Communication Akito Ohshima, Kosuke Sanada, Hiroyuki Hatano, Kazuo Mori (Mie Univ.) (49) 14:55 - 15:20 Applying OLSR Protocol to V2X and Delay Performance Evaluation for Sidelink Relaying -- Comparison of Wired and Wireless Connections -- Kazuma Obigane, Manabu Sakai, Hiroshi Nishimoto, Akihiro Okazaki (Mitsubishi Electric) ----- Break ( 15 min. ) ----- ---------------------------------------- Fri, Jun 16 PM (15:35 - 16:25) ---------------------------------------- (50) 15:35 - 16:00 300GHz band Sub-Terahertz Sensing Technologies for High Resolution Imaging Akinori Taira, Kazuaki Ishioka, Michiya Hayama, Shusaku Umeda, Hikaru Tsuchida, Akihiro Okazaki (MELCO) (51) 16:00 - 16:25 28 GHz-Band Experimental Trial Using Multiple Transmissive Metasurfaces and Beamforming Kenta Goto, Satoshi Suyama, Takayuki Yamada (DOCOMO), Keisuke Arai, Osamu Kagaya (AGC) # Information for speakers General Talk will have 18 minutes for presentation and 7 minutes for discussion. General Talk (初めての研究会) will have 10 minutes for presentation. Invited Talk will have 45 minutes for presentation and 5 minutes for discussion. === Technical Committee on Radio Communication Systems (RCS) === # FUTURE SCHEDULE: Wed, Jul 12, 2023 - Fri, Jul 14, 2023: Osaka University Nakanoshima Center + Online [Mon, May 15], Topics: Distributed Wireless Network, M2M (Machine-to-Machine)，D2D (Device-to-Device)，IoT（Internet of Things）, etc Thu, Aug 31, 2023 - Fri, Sep 1, 2023: Naganoken Nokyo Building, and online [Mon, Jun 12], Topics: Satellite Communications, Broadcasting, Forward Error Correction, Wireless Communications, etc. # SECRETARY: E-mail:r  _ -    Last modified: 2023-06-08 21:43:50 |
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