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*** This workshop was held online. ***





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

{INFOMESITEM}
Conference Date Wed, Jun 24, 2020 13:00 - 16:35
Thu, Jun 25, 2020 10:00 - 16:10
Fri, Jun 26, 2020 10:00 - 15:45
Topics First Presentation in IEICE Technical Committee, Resource Control, Scheduling, Wireless Communications, etc. 
Conference Place Online Presentation 
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.

Wed, Jun 24 PM 
13:00 - 14:40
(1) 13:00-13:25 Autonomous Decentralized Transmission Timing Control in Sensor Network RCS2020-23 Aoto Kaburaki, Naoki Aihara, Koichi Adachi (UEC), Osamu Takyu (Shinshu Univ.), Mai Ota (Fukuoka Univ.), Takeo Fujii (UEC)
(2) 13:25-13:50 Probabilistic Binary Offloading for Wireless Powered-MEC and Its Performance Evaluation RCS2020-24 Takuya Kobayashi, Koichi Adachi (UEC)
(3) 13:50-14:15 Investigation of Adaptive Transmission Rate Control Based on Machine Learning Using Only ACK/NAK Feedback RCS2020-25 Takumi Endo, Kenichi Higuchi (Tokyo Univ. of Science)
(4) 14:15-14:40 Performance Evaluation of Multiplexing Method of Multiple Service Channels to Maximize Integrated System Throughput under Finite Traffic Model RCS2020-26 Shusei Inoue, Kenichi Higuchi (Tokyo Univ. of Science)
  14:40-14:55 Break ( 15 min. )
Wed, Jun 24 PM 
14:55 - 16:35
(5) 14:55-15:20 Visible light communications using a high-speed display and CMOS image sensor
-- A study on a modulation and demodulation for high-speed display of tramsmitted data --
RCS2020-27
Taiga Hayashi, Hiraku Okada (Nagoya Univ.), Kentaro Kobayashi (Meijo Univ.), Tadahiro Wada (Sizuoka Univ.), Masaaki Katayama (Nagoya Univ.)
(6) 15:20-15:45 Interleaver-Linked Receiver Beamforming for IDMA-Based Random Access in TDD System RCS2020-28 Yotaro Murakami (Tokyo Univ. of Science), Yoshihisa Kishiyama (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science)
(7) 15:45-16:10 Interleaver-Linked Receiver Beamforming with Transmitter Channel Equalization in TDD-IDMA-Based Random Access RCS2020-29 Yuto Muroki (Tokyo Univ. of Science), Yoshihisa KIshiyama (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science)
(8) 16:10-16:35 Study on Applying Radio -Wave Encryption to Interleave Division Multiple Access Scheme RCS2020-30 Mamoru Okumura, Tomoki Kaga, Eiji Okamoto (NIT), Tetsuya Yamamoto (Panasonic)
Thu, Jun 25 AM 
10:00 - 11:40
(9) 10:00-10:25 Design of Millimeter-wave UAV Base Station for Access Link RCS2020-31 Masanori Ozasa, Jin Nakazato, Kosuke Hirata, Khanh Tran Gia, Kei Sakaguchi (Tokyo Tech)
(10) 10:25-10:50 Study on Adaptive Switching of Variable Linear Array Antenna Elements for Reliable Millimeter-Wave V2N Transmission RCS2020-32 Ryo Kato, Mamoru Okumura, Eiji Okamoto (NIT)
(11) 10:50-11:15 Suppression of performance degradation due to misalignment in OAM multiplexing RCS2020-33 Nobuhiko Sakuraya, Toshihiko Nishimura, Takeo Ohgane (Hokkaido Univ), Tomoya Tandai, Daisuke Uchida (Toshiba)
(12) 11:15-11:40 A Study on Loose Beam Forming Using Differential Evolution RCS2020-34 Tatsuki Otsuka, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara, Takanori Sato (Hokkaido Univ.)
  11:40-13:00 Lunch Break ( 80 min. )
Thu, Jun 25 PM 
13:00 - 14:15
(13) 13:00-13:25 A Study on DLDC-Aided Joint Signal Processing for Unified Optical and Wireless Channels RCS2020-35 Yoshikatsu Wakabayashi, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.)
(14) 13:25-13:50 PC-Signal-Based PAPR Reduction Using Null Space in MIMO Channel for MIMO-OFDM Signals under Frequency-Selective Fading Channel RCS2020-36 Leon Yamaguchi (Tokyo Univ. of Science), Nobuhide Nonaka (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science)
(15) 13:50-14:15 User Group Selection Method in Multiuser MIMO-OFDM Transmission with Adaptive PAPR Reduction Using Null Space in MIMO Channel RCS2020-37 Shyunsei Shin (Tokyo Univ. of Science), Nobuhide Nonaka (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science)
  14:15-14:30 Break ( 15 min. )
Thu, Jun 25 PM 
14:30 - 16:10
(16) 14:30-14:55 A Study on Signal Detection in Massive MIMO Using MCMC RCS2020-38 Kazushi Matsumura, Junichiro Hagiwara, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Takanori Sato (Hokkaido Univ.)
(17) 14:55-15:20 A Study on the Behavior of Each LLR in Gaussian Belief Propagation RCS2020-39 Daniel Akira Ando, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara, Takanori Sato (Hokkaido Univ.)
(18) 15:20-15:45 Bilinear Gaussian Belief Propagation for Iterative Channel and Data Estimation in Large MIMO Systems RCS2020-40 Kenta Ito, Takumi Takahashi (Osaka Univ), Shinsuke Ibi (Doshisha Univ), Seiichi Sampei (Osaka Univ)
(19) 15:45-16:10 A Study on Trainable Gaussian Belief Propagation Using Deep Unfolding for Large MIMO Signal Detection RCS2020-41 Daichi Shirase, Takumi Takahashi (Osaka Univ.), Shinsuke Ibi (Doshisha Univ.), Kazushi Muraoka, Naoto Ishii (NEC), Seiichi Sampei (Osaka Univ.)
Fri, Jun 26 AM 
10:00 - 11:40
(20) 10:00-10:25 Improvements on position-measurement accuracy of underwater acoustic positioning and communication system for Autonomous Unmanned Vehicles RCS2020-42 Shoichiro Yamazato, Tomohisa Wada (Ryukyu Univ)
(21) 10:25-10:50 A Study on GNSS Positioning using Neural Network RCS2020-43 Yuki Hayama, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.)
(22) 10:50-11:15 A Study on Iterative Detection and Decoding for LoRa Modulation RCS2020-44 Takuya Mihara, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.)
(23) 11:15-11:40 A Study on Gaussian Belief Propagation for Sparse Superposition Code in Massive NOMA Detection RCS2020-45 Ryuichi Kume, Shinsuke Ibi (Doshisha Univ.), Takumi Takahashi (Osaka Univ.), Hisato Iwai (Doshisha Univ.)
  11:40-13:00 Lunch Break ( 80 min. )
Fri, Jun 26 PM 
13:00 - 13:50
(24) 13:00-13:50 [Invited Talk]
Overloaded signal processing using discreteness and sparsity for wireless communications RCS2020-46
Kazunori Hayashi (Kyoto Univ.), Ryo Hayakawa (Osaka Univ.), Ayano Nakai-Kasai (Kyoto Univ.)
  13:50-14:05 Break ( 15 min. )
Fri, Jun 26 PM 
14:05 - 15:45
(25) 14:05-14:30 Joint Transmit Power and 3-Dimentional Beamforming Control using Neural Networks for MIMO Small Cell Systems RCS2020-47 Shuaifeng Jiang, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Tech)
(26) 14:30-14:55 5G Evolution Experimental Trial on Base Station Cooperation Technologies using 28GHz-Band Digital BF High-Mobility Environments RCS2020-48 Tatsuki Okuyama, Nobuhide Nonaka, Satoshi Suyama, Yukihiko Okumura, Takahiro Asai (NTT DOCOMO)
(27) 14:55-15:20 Guaranteed Mobile Communications Using Massive MIMO with Hybrid Beamforming for 5G Evolution RCS2020-49 Nobuhide Nonaka, Tatsuki Okuyama, Satoshi Suyama, Yukihiko Okumura, Takahiro Asai (NTT DOCOMO)
(28) 15:20-15:45 Study on Multi-user MIMO Coordinated with User-wise Spatial Diversity RCS2020-50 Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.)
  -  

(29) - High Accuracy Location Estimation Using the Last Received Data on Time Series in Fingerprint Method RCS2020-51 Takahiro Tsujino, Teruya Fujii (Tokyo Tech)
(30) - RCS2020-52
(31) - A Study on Massive MIMO Signal Detection Using Approximate Message Passing RCS2020-53 Wakaba Tsujimoto, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara, Takanori Sato (Hokkaido Univ.)
(32) - Autonomous Decentralized Frequency Resource Allocation using ACK Signal in LoRaWAN RCS2020-54 Kosuke Suzuki (NIT, Numazu College), Naoki Aihara, Koichi Adachi (UEC), Satoshi Yamazaki (NIT, Numazu College)
(33) - Forcible Search Scheme for Mixed Gibbs Sampling Massive MIMO Detection RCS2020-55 Kenji Yamazaki, Sanada Yukitoshi (Keio Univ.)
(34) - Block Parallel Gibbs Sampling MIMO Detection with Maximum Ratio Combining RCS2020-56 Kosuke Tomura, Yukitoshi Sanada, Yutaro Kobayashi (Keio Univ.)
(35) - Low Complexity Signal Detection based on Belief Propagation with MMSE Pre-cancellation for Overloaded MIMO systems RCS2020-57 Takashi Imamura, Yukitoshi Sanada (Keio Univ.)

Announcement for Speakers
General TalkEach speech will have 18 minutes for presentation and 7 minutes for discussion.
General Talk (初めての研究会)Each speech will have 15 minutes for presentation and 10 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 Osamu Muta (Kyushu University)
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