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Technical Committee on Radio Communication Systems (RCS) [schedule] [select]
Chair Eiji Okamoto (Nagoya Inst. of Tech.)
Vice Chair Toshihiko Nishimura (Hokkaido Univ.), Tomoya Tandai (Toshiba), Fumihide Kojima (NICT)
Secretary Kazushi Muraoka (NEC), Tetsuya Yamamoto (Panasonic)
Assistant Koichi Adachi (Univ. of Electro-Comm.), Osamu Nakamura (Sharp), Manabu Sakai (Mitsubishi Electric), Masashi Iwabuchi (NTT), Tatsuki Okuyama (NTT DOCOMO)

Conference Date Thu, Oct 21, 2021 10:00 - 17:00
Fri, Oct 22, 2021 10:00 - 16:00
Topics Wireless Communication Schemes, Wireless Communication Systems, Wireless Standards, Future Wireless Systems, etc. 
Conference Place Online 
Copyright
and
reproduction
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Registration Fee This workshop will be held as the IEICE workshop in fully electronic publishing. Registration fee will be necessary except the speakers and participants other than the participants to workshop(s) in non-electronic publishing. See the registration fee page. We request the registration fee or presentation fee to participants who will attend the workshop(s) on RCS.

Thu, Oct 21 AM  RCS 1
Chair: Yoshiaki Narisue (Univ. of Tokyo )
10:00 - 11:40
(1) 10:00-10:25 Performance Evaluation on CPU Function Placement using Virtualized RAN to Cell Free-massive MIMO RCS2021-118 Naoki Aihara, Akio Ikami, Takahide Murakami, Yu Tsukamoto, Hiroyuki Shinbo (KDDI Research)
(2) 10:25-10:50 Performance Evaluation of Scalable Cell-Free Massive MIMO Systems with Multiple CPUs Subject to Backhaul Capacity Limitation RCS2021-119 Masaaki Ito, Issei Kanno, Kosuke Yamazaki (KDDI Research), Kengo Ando, Shuto Fukue (UEC), Hiroki Iimori (JUB), Koji Ishibashi (UEC)
(3) 10:50-11:15 Beamforming Design and Secrecy capacity analysis for Cell-Free massive MIMO RCS2021-120 Kengo Ando (UEC), Hiroki Iimori, Giuseppe Abreu (JUB), Koji Ishibashi (UEC)
(4) 11:15-11:40 A Study on Resource Allocation and Beamforming Design via Geometric Mean Maximization for Cell-free Massive MIMO Systems with Dynamic TDD RCS2021-121 Shuto Fukue (UEC), Hiroki Iimori, Giuseppe Abreu (JUB), Koji Ishibashi (UEC)
  11:40-13:00 Lunch Break ( 80 min. )
Thu, Oct 21 PM  RCS 2
Chair: Megumi Kaneko (NII)
13:00 - 14:40
(5) 13:00-13:25 Initial access beam search method with variable beam width according to the area size RCS2021-122 Takuto Arai, Tatsuhiko Iwakuni, Syuki Wai, Daisei Uchida, Naoki Kita (NTT)
(6) 13:25-13:50 A New Beam Search Based on Combination History of Selected Beams among Antennas for Distributed Antenna System RCS2021-123 Shuki Wai, Tatsuhiko Iwakuni, Takuto Arai, Daisei Uchida, Naoki Kita (NTT)
(7) 13:50-14:15 Inter-User Distance Estimation in 5G mmWave Networks using Beam-Based Fingerprints RCS2021-124 Mondher Bouazizi, Siyuan Yang, Tomoaki Ohtsuki (Keio Univ.)
(8) 14:15-14:40 A Study on Intelligent Reflecting Surface (IRS) Aided Cell-Free Network
-- IRS Reflection Coefficients Optimization by Quantum Computing for MIMO Channel Capacity Maximization --
RCS2021-125
Takahiro Ohyama (PSNRD), Yuichi Kawamoto, Nei Kato (Tohoku Univ.)
  14:40-14:50 Break ( 10 min. )
Thu, Oct 21 PM  Invited Lecture
Chair: Tomoya Tandai (Toshiba)
14:50 - 15:40
(9) 14:50-15:40 [Invited Talk]
Generalization of a joint transmit-receive diversity and its application to multi-user MIMO communications RCS2021-126
Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.)
  15:40-16:00 Break ( 20 min. )
Thu, Oct 21 PM  Online Poster Session by Technical Committee Members
Chair: Tetsuya Yamamoto (Panasonic)
16:00 - 17:00
  -  
(10) 16:00-17:00 [Poster Presentation]
Application of LoRa Module to Experimental Subjects RCS2021-127
Nobuhiko Miki (Kagawa Univ.)
(11) 16:00-17:00 [Poster Presentation]
Efforts to construct wireless experiment systems on in-band full-duplex RCS2021-128
Yuichi Miyaji, Hideyuki Uehara (Toyohashi Univ. of Tech.)
(12) 16:00-17:00 [Poster Presentation]
A Study on Bayesian Receiver Design via Bilinear Inference for Scalable Cell-Free Massive MIMO RCS2021-129
Takumi Takahashi (Osaka Univ.), Hiroki Iimori (JUB), Kengo Ando, Koji Ishibashi (UEC), Shinsuke Ibi (Doshisha Univ), Giuseppe Abreu (JUB)
(13) 16:00-17:00 [Poster Presentation]
Performance Improvement of Multiuser Massive MIMO Null-Space Expansion RCS2021-130
Kazuki Maruta (Tokyo Tech), Kabuto Arai, Nobutaka Funaki (Chiba Univ.)
Fri, Oct 22 AM  RCS 3
Chair: Takayasu Kitano (RTRI)
10:00 - 11:40
(14) 10:00-10:25 Coevolutionary Dynamic Cell Optimization Algorithm for HAPS Mobile Communications RCS2021-131 Yohei Shibata, Wataru Takabatake, Kenji Hoshino, Atsushi Nagate (SB)
(15) 10:25-10:50 Wireless environment survey for the introduction of automated guided vehicles to manufacturing sites RCS2021-132 Akihiro Amagai, Taketoshi Nakajima, Fumiko Ohori, Toru Osuga, Satoko Itaya, Takeshi Matsumura (NICT)
(16) 10:50-11:15 Experimental Study on Tradeoff between Blockage Prediction and Performance of Millimeter-wave Communications with Coordinated Multipoint Transmission RCS2021-133 Sota Uchimura (UEC), Hiroki Iimori (JUB), Koji Ishibashi (UEC), Takahide Murakami, Hiroyuki Shinbo (KDDI Research, Inc.)
(17) 11:15-11:40 Performance Evaluation of Two Directions in Base Station Antennas by 28 GHz-Band Outdoor Experiments of Base Station Cooperation Technology in High-Mobility Environments RCS2021-134 Tatsuki Okuyama, Satoshi Suyama, Nobuhide Nonaka, Takahiro Asai (NTT DOCOMO)
  11:40-13:00 Lunch Break ( 80 min. )
Fri, Oct 22 PM  RCS 4
Chair: Hitoshi Yoshino (Softbank)
13:00 - 14:40
(18) 13:00-13:25 Signal Design for Two-Dimensional OTFS Index Modulation Over Doubly-Selective Channels With Fractional Doppler RCS2021-135 Kazuya Ohira, Koji Ishibashi (UEC)
(19) 13:25-13:50 Physical-Layer Cell Identity Detection Probability for Millimeter Wave Single-Carrier Transmission RCS2021-136 Daisuke Inoue, Mamoru Sawahashi (Tokyo City Univ.), Haruhi Echigo, Satoshi Nagata (NTT DOCOMO)
(20) 13:50-14:15 Study on Performance Improvement of Radio-Wave Encrypted Modulation by LLR Clipping RCS2021-137 Mamoru Okumura, Keisuke Asano, Takumi Abe, Eiji Okamoto (NIT), Tetsuya Yamamoto (Panasonic)
(21) 14:15-14:40 Performance Improvement of Misaligned Underwater OWC Systems Using MIMO RCS2021-138 Hitoshi Ando, Chedlia Ben Naila, Hiraku Okada, Masaaki Katayama (Nagoya Univ.)
  14:40-15:00 Break ( 20 min. )
Fri, Oct 22 PM  Online Poster Session 2 by Technical Committee Members
Chair: Osamu Nakamura (Sharp)
15:00 - 16:00
  -  
(22) 15:00-16:00 [Poster Presentation]
Investigation of NOMA-Based Highly-Efficient Low-Latency Random Access RCS2021-139
Kenichi Higuchi (Tokyo Univ. of Science)
(23) 15:00-16:00 [Poster Presentation]
Display-Camera Visible Light Communications Using Monocular Depth Estimation and Adversarial Example RCS2021-140
Hiraku Okada, ChangSeok Lee (Nagoya Univ.), Tadahiro Wada (Shizuoka Univ.), Kentaro Kobayashi (Meijo Univ.), Chedlia Ben Naila, Masaaki Katayama (Nagoya Univ.)
(24) 15:00-16:00 [Poster Presentation]
Interference Source Determination Based on History of Transmissions in WLANs RCS2021-141
Koji Yamamoto, Mayu Mieda, Sota Kondo (Kyoto Univ.), Takayuki Nishio (Kyoto Univ./Tokyo Tech.), Akihito Taya (Kyoto Univ./Aoyama Gakuin Univ.), Kazuto Yano (ATR)
(25) 15:00-16:00 [Poster Presentation]
NTT DOCOMO's Activities for 5G Evolution & 6G RCS2021-142
Satoshi Suyama, Tatsuki Okuyama, Nobuhide Nonakaka, Takahiro Asai (NTT DOCOMO)

Announcement for Speakers
General TalkEach speech will have 18 minutes for presentation and 7 minutes for discussion.
Invited TalkEach speech will have 45 minutes for presentation and 5 minutes for discussion.

Contact Address and Latest Schedule Information
RCS Technical Committee on Radio Communication Systems (RCS)   [Latest Schedule]
Contact Address Tetsuya Yamamoto (Panasonic)
E-:r_- 


Last modified: 2021-10-18 16:10:24


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