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Technical Committee on Radio Communication Systems (RCS) [schedule] [select]
Chair Tomoaki Otsuki (Keio Univ.)
Vice Chair Satoshi Suyama (NTT DoCoMo), Fumiaki Maehara (Waseda Univ.), Toshihiko Nishimura (Hokkaido Univ.)
Secretary Koichi Ishihara (NTT), Osamu Muta (Kyushu Univ.)
Assistant Kazushi Muraoka (NTT DOCOMO), Shinsuke Ibi (Doshisha Univ.), Koichi Adachi (Univ. of Electro-Comm.), Osamu Nakamura (Sharp), Shinya Kumagai (Fujitsu Labs.)

Conference Date Wed, Jun 19, 2019 09:30 - 18:30
Thu, Jun 20, 2019 09:30 - 18:15
Fri, Jun 21, 2019 09:30 - 17:15
Topics First Presentation in IEICE Technical Committee, Resource Control, Scheduling, Wireless Communications, etc. 
Conference Place  
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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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Participation Fee This workshop will be held as the IEICE workshop in fully electronic publishing. Participant fee will be necessary except the speakers and participants other than the participants to workshop(s) in non-electronic publishing. See the participant fee page. We request the participant fee to participants who will attend the workshop(s) on RCS.

Wed, Jun 19 AM 
09:30 - 10:40
(1) 09:30-09:40 Performance of Physical Channel Multiplexing Using Symbol Repetition in Every Time Slot for Full Duplex RCS2019-37 Kazuki Yoshida, Mamoru Sawahashi (Tokyo City Univ.), Yoshihisa Kishiyama (NTT DOCOMO)
(2) 09:40-09:50 BLER Performance of OFDM with Faster-than-Nyquist Using TDM Based RS Multiplexing RCS2019-38 Tsubasa Shobudani, Mitsutaka Anan, Mamoru Sawahashi (Tokyo City Univ.), Yoshihisa Kishiyama (NTT DOCOMO)
(3) 09:50-10:00 Indoor Path Loss Measurements at 900 MHz Band Using LoRaWAN Terminals RCS2019-39 Wakaba Tsujimoto, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara (Hokkaido Univ.)
(4) 10:00-10:10 A Fundamental Study on Downlink Channel Estimation in an FDD System Based on Impulse Response Estimation RCS2019-40 Shiori Tosaka, Yasutaka Ogawa, Toshihiko Nishimura, Takeo Ohgane, Junichiro Hagiwara (Hokkaido Univ.)
(5) 10:10-10:20 Throughput Evaluation of Antenna Selection in Indoor Massive MIMO Distributed Antenna Systems RCS2019-41 Saki Shimaya, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara (Hokkaido Univ.)
(6) 10:20-10:30 Comparison of Compressed Sensing Algorithms for DOA Estimation RCS2019-42 Seigi Nakatsu, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara (Hokkaido Univ.)
(7) 10:30-10:40 A Fundamental Study on Channel Estimation Using Deep Learning RCS2019-43 Ryota Nakajima, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara (Hokkaido Univ.)
  10:40-10:50 Break ( 10 min. )
Wed, Jun 19 PM 
10:50 - 11:50
(8) 10:50-11:00 Study of wireless and visible light hybrid communication system by using smart glasses capable of CSK code analysis RCS2019-44 Kotaro Murase, Noriharu Miyaho (Tokyo Denki Univ.)
(9) 11:00-11:10 A Study on Wireless Frame Configuration to Achieve Automatic Operation Using 5G URLLC RCS2019-45 Yusaku Shiomitsu, Eiji Okamoto (NITech), Manabu Mikami, Hitoshi Yoshino (SBKK.)
(10) 11:10-11:20 An energy-efficient and wide-area uplink IoT data transmission scheme using UAV RCS2019-46 Kohei Ueno, Eiji Okamoto (NITech), Hiroyuki Tsuji, Amane Miura (NICT)
(11) 11:20-11:30 A study on accurate indoor localization in many NLOS sensor environments RCS2019-47 Keigo Ishida, Eiji Okamoto (NIT)
(12) 11:30-11:40 A study on performance improvment of uplink massive chaos MIMO transmission scheme RCS2019-48 Tomoki Kaga, Yoshihiro Masuda, Eiji Okamoto (NIT), Tetsuya Yamamoto (Panasonic)
(13) 11:40-11:50 Theoretical System Capacity of MU-MIMO THP Considering Proportional Fairness Scheduling RCS2019-49 Karen Taguchi, Ryota Mizutani, Yukiko Shimbo, Hirofumi Suganuma, Fumiaki Maehara (Waseda Univ.)
  11:50-13:00 Lunch Break ( 70 min. )
Wed, Jun 19 PM 
13:00 - 14:20
  -  
  14:20-14:35 Break ( 15 min. )
Wed, Jun 19 PM 
14:35 - 15:45
(14) 14:35-14:45 Overloaded Wireless MIMO Switching for Secure Wireless Communication Exchanging to Untrusted Relay. RCS2019-50 Arata Takahashi, Osamu Takyu (Shinshu Univ.), Takeo Fujii (UEC), Tomoaki Ohtsuki (Keio Univ.), Fumihito Sasamori, Shirou Handa (Shinshu Univ.)
(15) 14:45-14:55 Optimal Design of Slave's Selected Channel Satisfying Rendezvous Channel Completion Probability RCS2019-51 Yuki Nishio, Osamu Takyu (Shinshu Univ.), Hayato Soya (neko 9 Laboratories), Mai Ohta (Fukuoka Univ.), Takeo Fujii (UEC), Fumihito Sasamori, Shiro Handa (Shinshu Univ.)
(16) 14:55-15:05 Policy Gradient Reinforcement Learning for Reducing Transmission Delay in EDCA RCS2019-52 Masao Shinzaki, Yusuke Koda, Koji Yamamoto, Takayuki Nishio, Masahiro Morikura (Kyoto Univ.)
(17) 15:05-15:15 Joint Channel Control and Spatial Reuse Towards Starvation Mitigation in WLANs RCS2019-53 Hiroyasu Shimizu, Bo Yin, Koji Yamamoto (Kyoto Univ.), Hirantha Abeysekera (NTT)
(18) 15:15-15:25 A Study for Improving Prediction Accuracy on Federated Learning with Non-IID Data in Wireless Networks RCS2019-54 Naoya Yoshida, Takayuki Nishio, Masahiro Morikura, Koji Yamamoto (Kyoto Univ.), Ryo Yonetani (OMRON SINIC X Corp.)
(19) 15:25-15:35 Optimal Path Learning for mmWave Communications in Smart Factory RCS2019-55 Mayu Mieda, Shotaro Kamiya, Kota Nakashima, Koji Yamamoto, Takayuki Nishio, Masahiro Morikura (Kyoto Univ.)
(20) 15:35-15:45 A Study on Application of Machine Learning to Transmission Rate Selection in Wireless Mesh Networks RCS2019-56 Soukiw Watanabe, Hiraku Okada, Kentaro Kobayashi, Masaaki Katayama (Nagoya Univ.)
  15:45-15:55 Break ( 10 min. )
Wed, Jun 19 PM 
15:55 - 16:55
(21) 15:55-16:05 Power Domain NOMA Based Strategy for Base Station Sleep RCS2019-57 Riku Saito, Kazunari Takahashi, Koichi Adachi (UEC)
(22) 16:05-16:15 Spreading Factor Selection Method for Multiple Gateways Reception in LoRaWAN RCS2019-58 Chen Muying, Koichi Adachi (UEC)
(23) 16:15-16:25 NOMA based UAV relay communication protocol RCS2019-59 Jumpei Kawakami, Lumbantoruan Hendrik, Koichi Adachi (UEC)
(24) 16:25-16:35 A Study on Multilevel Coded Modulation Based on CRC-Concatenated Polar Codes RCS2019-60 Yuki Yajima, Hideki Ochiai (Yokohama National Univ.)
(25) 16:35-16:45 On Bit LLR Design for Polar-Coded MIMO Spatial Multiplexing System Based on QRD-M Algorithm RCS2019-61 Shuhei Yamaguchi, Hideki Ochiai (Yokohama National Univ.)
(26) 16:45-16:55 On Application of Clipping and Filtering toa OFDM-IM Signals RCS2019-62 Kyoka Ujisawa, Hideki Ochiai (Yokohama National Univ.)
  16:55-17:10 Break ( 15 min. )
Wed, Jun 19 PM 
17:10 - 18:30
  -  
Thu, Jun 20 AM 
09:30 - 10:40
(27) 09:30-09:40 NOMA-based Multiplexing Method of Downlink Service Channels to Maximize Integrated System Throughput RCS2019-63 Teruaki Shikuma (Tokyo Univ. of Science), Yasuaki Yuda (Panasonic), Kenichi Higuchi (Tokyo Univ. of Science)
(28) 09:40-09:50 Investigation on Efficient Construction Scheme of Peak Cancellation Signals in Complexity-Reduced PAPR Reduction Method Using Null Space in MIMO Channel for MIMO-OFDM Signals RCS2019-64 Taku Suzuki, Mikihito Suzuki (Tokyo Univ. of Science), Yoshihisa Kishiyama (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science)
(29) 09:50-10:00 Low Latency Hybrid ARQ Method Using Early Retransmission Before Channel Decoding with Multistage Decision RCS2019-65 Kentarou Taniyama (Tokyo Univ. of Science), Yoshihisa Kishiyama (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science)
(30) 10:00-10:10 Low Latency HARQ Method Using Early Retransmission Before Channel Decoding Based on Superposition Coding RCS2019-66 Koka Miura (Tokyo Univ. of Science), Yoshihisa Kishiyama (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science)
(31) 10:10-10:20 Performance Evaluation of IDMA-based Random Access Considering User Detection and Channel Estimation RCS2019-67 Taiki Tomizawa (Tokyo Univ. of Science), Yoshihisa Kishiyama (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science)
(32) 10:20-10:30 Investigation on Transmission Power Control Appropriate for IDMA-based Random Access RCS2019-68 Tsubasa Miyata (Tokyo Univ. of Science), Yoshihisa Kishiyama (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science)
(33) 10:30-10:40 Investigation on Retransmission Scheme in IDMA-Based Random Access RCS2019-69 Yuichiro Shake (Tokyo Univ. of Science), Yoshihisa Kishiyama (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science)
  10:40-10:50 Break ( 10 min. )
Thu, Jun 20 PM 
10:50 - 11:40
(34) 10:50-11:00 Decentralized Probabilistic Frequency-Block Activation Control for Inter-cell Interference Coordination and Traffic Load Balancing RCS2019-70 Fumiya Ishikawa (Tokyo Univ. of Science), Yoshihisa Kishiyama (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science)
(35) 11:00-11:10 Online Probabilistic Activation Control of Base Stations Considering Both Uplink and Downlink System Throughput RCS2019-71 Naoki Uji (Tokyo Univ. of Science), Yoshihisa Kishiyama (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science)
(36) 11:10-11:20 Latency Evaluation of Uplink Non-orthogonal Multiple Access Grant-Free Transmission RCS2019-72 Show Shiono, Yukitoshi Sanada (Keio Univ.)
(37) 11:20-11:30 Quantized Precoding using Gibbs Sampling in Massive MIMO Downlink RCS2019-73 Riki Okawa, Yukitoshi Sanada (Keio Univ.)
(38) 11:30-11:40 User Allocation with Round-Robin Scheduling Sequence for Distributed Antenna System RCS2019-74 Go Otsuru, Yukitoshi Sanada (Keio Univ.)
  11:40-12:50 Lunch Break ( 70 min. )
Thu, Jun 20 PM 
12:50 - 14:10
  -  
  14:10-14:25 Break ( 15 min. )
Thu, Jun 20 PM 
14:25 - 16:05
(39) 14:25-14:50 Data Flow Control based on Available Bandwidth Estimation of Wi-Fi Networks RCS2019-75 Toru Osuga, Taketoshi Nakajima, Fumiko Ohori, Kenichi Maruhashi, Satoko Itaya, Fumihide Kojima (NICT)
(40) 14:50-15:15 Theoretical Performance Analysis using Orthonormal Laguerre 2D Polynomials for Nonlinear Self-Interference Cancellers RCS2019-76 Kazuki Komatsu, Yuichi Miyaji, Hideyuki Uehara (Toyohashi Univ. of Tech.)
(41) 15:15-15:40 One Whistle for Yes, Two Whistles for No: Ultrasonic Blockchain Messaging at Network Edge RCS2019-77 Marat Zhanikeev (Tokyo Univ. of Science)
(42) 15:40-16:05 A Study on Uplink Interference Canceller in HetNet Construction RCS2019-78 Takuya Kaneda, Reina Taniguchi, Teruya Fujjii (TIT)
  16:05-16:15 Break ( 10 min. )
Thu, Jun 20 PM 
16:15 - 17:15
(43) 16:15-16:45 [Invited Lecture]
Performance evaluation on 5G mobile wireless communications in high speed train environment RCS2019-79
Juho Park, Junghoon Lee, JunHwan Lee (ETRI)
(44) 16:45-17:15 [Invited Lecture]
Physical layer technical issues on 5G mobile wireless communications in high speed train environment RCS2019-80
JunHwan Lee, Juho Park, Junghoon Lee (ETRI), LEE HyeonWoo (DKU)
  17:15-17:25 Break ( 10 min. )
Thu, Jun 20 PM 
17:25 - 18:15
(45) 17:25-18:15 [Invited Talk]
Performance evaluation of large-scale signal detection using Gaussian belief propagation and other iterative methods RCS2019-81
Takeo Ohgane (Hokkaido Univ.)
Fri, Jun 21 AM 
09:30 - 10:40
(46) 09:30-09:40 A study on high efficiency phase shift keying on 3-dimensional Euclidean space RCS2019-82 Sho Kakuwa, Masahiro Fujii (Utsunomiya Univ.), Takanori Iwamatsu (FTN)
(47) 09:40-09:50 Differential Orthogonal Frequency-Division Multiplexing Employing Short-Time AFC for Underwater Acoustic Communications RCS2019-83 Yui Nakai, Yuka Tanaka, Hiroshi Kubo (Ritsumeikan Univ.)
(48) 09:50-10:00 RCS2019-84
(49) 10:00-10:10 Double Differential OFDM Employing an Intercarrier Interference Self-Canceller for Underwater Acoustic Communications RCS2019-85 Yuka Tanaka, Yui Nakai, Hiroshi Kubo (Ritsumeikan Univ.)
(50) 10:10-10:20 Differential Trellis-Coded Modulation Employing Multiple Differential Detection with Channel Prediction RCS2019-86 Tetsuro Kubo, Takuya Takahashi, Hiroshi Kubo (Ritsumeikan Univ.)
(51) 10:20-10:30 A Study on Energy-Efficient Design of Irregular Repetition Slotted ALOHA with Stochastic Power Control RCS2019-87 Ryo Okabe, Masaru Oinaga, Shun Ogata, Koji Ishibashi (The Univ. of Electro-Communications)
(52) 10:30-10:40 A Study on Age-of-Information Minimization in Two-User Multiple Access Channel with Energy Harvesting RCS2019-88 Naoya Hirosawa, Koji Ishibashi (The Univ. of Electro-Communications)
  10:40-10:50 Break ( 10 min. )
Fri, Jun 21 PM 
10:50 - 11:50
(53) 10:50-11:00 Channel Estimation via Neural Network for Massive MIMO with Pilot Contamination RCS2019-89 Hiroki Hirose, Tomoaki Ohtsuki (Keio Univ.)
(54) 11:00-11:10 Low-Complexity MMSE Channel Estimation in Massive MU-MIMO System RCS2019-90 Yunfeng Deng, Tomoaki Ohtsuki (Keio Univ.)
(55) 11:10-11:20 Interference Control of LTE-LAA using Q-learning with HARQ RCS2019-91 Kenshiro Wada, Tomoaki Ohtsuki (Keio Univ.)
(56) 11:20-11:30 Discrete Polar Decoder using Information Bottleneck RCS2019-92 Akira Yamada, Tomoaki Ohtsuki (Keio Univ.)
(57) 11:30-11:40 Damping Factor Learning of BP Detection with Node Selection in Massive MIMO using Neural Network RCS2019-93 Junta Tachibana, Tomoaki Ohtsuki (Keio Univ.)
(58) 11:40-11:50 SNR Estimation by using Neural Network in Adaptive Modulation and Coding RCS2019-94 Shun Kojima, Kazuki Maruta, Chang-Jun Ahn (Chiba Univ.)
  11:50-13:00 Lunch Break ( 70 min. )
Fri, Jun 21 PM 
13:00 - 14:20
  -  
  14:20-14:35 Break ( 15 min. )
Fri, Jun 21 PM 
14:35 - 15:50
(59) 14:35-15:00 A Study on CRC-aided Signal Detection Using Gaussian Belief Propagation in Interleave Division Multiple Access RCS2019-95 Wataru Kawabata, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.)
(60) 15:00-15:25 Channel Estimation and Data Detection for Grant-Free Multiple Access Using Vector Approximate Message Passing RCS2019-96 Takanori Hara, Koji Ishibashi (The Univ. of Electro-Communications)
(61) 15:25-15:50 Complexity-Reduced Algorithm for Adaptive PAPR Reduction Method Using Null Space in MIMO Channel for MIMO-OFDM Signals RCS2019-97 Mikihito Suzuki, Taku Suzuki (Tokyo Univ. of Science), Yoshihisa Kishiyama (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science)
  15:50-16:00 Break ( 10 min. )
Fri, Jun 21 PM 
16:00 - 17:15
(62) 16:00-16:25 A System Design of Gigabit HAPS Mobile Communications with Energy Efficiency RCS2019-98 Yohei Shibata (HAPSMobile), Noboru Kanazawa (SoftBank), Mitsukuni Konishi, Kenji Hoshino, Yoshichika Ohta, Atsushi Nagate (HAPSMobile)
(63) 16:25-16:50 Experimental Study of High-Capacity Technologies for 5G Ultra High-Density Distributed Antenna Systems
-- Verification of coordinated radio resource scheduling algorithm in up to 32 multi-stream transmission --
RCS2019-99
Takaharu Kobayashi, Shinya Kumagai, Masafumi Tsutsui, Chiyoshi Akiyama, Takashi Dateki, Hiroyuki Seki, Morihiko Minowa (Fujitsu), Tatsuki Okuyama, Jun Mashino, Satoshi Suyama, Yukihiko Okumura (DOCOMO)
(64) 16:50-17:15 Indoor Experimental Trial on MU-MIMO Transmission for High SHF Wide-band Massive MIMO in 5G RCS2019-100 Nobuhide Nonaka, Kazushi Muraoka, Satoshi Suyama, Jun Mashino (NTT DOCOMO), Kenichirou Kamohara, Manabu Sakai, Kuniyuki Suzuki, Hiroki Iura (Mitsubishi Electric), Yukihiko Okumura (NTT DOCOMO)
  -  

Announcement for Speakers
General TalkEach speech will have 18 minutes for presentation and 7 minutes for discussion.
General Talk (初めて研究会)Each speech will have 10 minutes for presentation.
Invited LectureEach speech will have 25 minutes for presentation and 5 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 Koichi Adachi (The University of Electro-Communications)
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