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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SR | 2024-01-25 13:10 |
Nagano | Nagano-ken JA building (Primary: On-site, Secondary: Online) |
[Short Paper]
Performance Evaluations on Deep Reinfocement Leanring based Analog Beamforming in Dynamic Senarios Daisuke Sasaki, Xiaoyan Wang, Zhou Hang (Ibaraki Univ.), Umehira Masahiro (Nanzan Univ.)  SR2023-72 |
As the development of small cell architecture in B5G networks, on one hand, the frequency utilization efficiency could b... [more] | SR2023-72 pp.22-24 |
| RCS | 2023-10-20 15:40 |
Kagawa | Kagawa University (Saiwai-cho Campus), and online (Primary: On-site, Secondary: Online) |
Investigations on Low-Complexity User-Specific TRP Selection Method in Downlink Distributed MIMO with Channel Estimation Errors Hiroki Kato, Takanori Hara, Kenichi Higuchi (TUS) RCS2023-149 |
In this paper, we propose a computationally-efficient method for user equipment (UE)-specific transmission reception poi... [more] | RCS2023-149 pp.96-101 |
| SeMI, RCS, RCC, NS, SR (Joint) |
2023-07-12 10:00 |
Osaka | Osaka University Nakanoshima Center + Online (Primary: On-site, Secondary: Online) |
Scalable Clustering Method in Downlink Cell-Free MIMO Using Layered Partially Non-orthogonal ZF-Based Beamforming Daisuke Ishii, Takanori Hara, Kenichi Higuchi (Tokyo Univ. of Science) RCS2023-79 |
In this paper, we investigate a method for clustering UE-specific transmission TRPs in downlink cell-free multi-input mu... [more] | RCS2023-79 pp.1-6 |
| RCS | 2023-06-15 10:50 |
Hokkaido | Hokkaido University, and online (Primary: On-site, Secondary: Online) |
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) RCS2023-54 |
In this paper, we propose a computationally-efficient method for user equipment (UE)-specific transmission reception poi... [more] | RCS2023-54 pp.153-160 |
| SRW | 2023-06-12 14:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
[Invited Lecture]
An Analog Beamforming Control Method using Deep Reinforcement Learning Daisuke Sasaki, Hang Zhou, Xiaoyan Wang (Ibaraki Univ.), Masahiro Umehira (Nanzan Univ.) SRW2023-8 |
As the development of small cell configurations in B5G networks, the frequency utilization efficiency could be significa... [more] | SRW2023-8 pp.39-44 |
| RCS, SR, SRW (Joint) |
2023-03-02 09:00 |
Tokyo | Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
Performance Evaluation of a Beamforming Control Method Using Deep Reinforcement Learning Daisuke Sasaki, Hang Zhou (Ibaraki Univ), Xiaoyan Wang (Ibaraki Univ.), Masahiro Umehira (Nanzan Univ.) SRW2022-47 |
As the development of small cell configurations in B5G networks, the frequency utilization efficiency could be significa... [more] | SRW2022-47 pp.19-24 |
| AP | 2023-02-16 14:15 |
Miyagi | Tohoku University, Aobayama Campus (Primary: On-site, Secondary: Online) |
[Invited Lecture]
A Compact Beam Forming Antenna based on Phase Gradient Huygen's Transmitarray and Fabry-Perot Antenna Source Takayoshi Sasaki, Tanan Hongnara, Yoshiki Shirasawa, Warangkana Chaihongsa, Katsumori Sasaki, Keisuke Sato, Ichiro Ohshima (DKK), Keizo Cho, Hiroaki Nakabayashi (CIT), Naobumi Michishita (NDA) AP2022-217 |
In this report, we propose a compact and low profile antenna with controllable directivity by combining a Fabry-Perot re... [more] | AP2022-217 pp.111-115 |
| SAT, RCS (Joint) |
2022-08-26 11:40 |
Hokkaido | (Primary: On-site, Secondary: Online) |
Inter-cell Interference Control by Joint Transmit Power and Transmit Beamforming Control based on Machine Learning Naoto Tamada, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Tech) RCS2022-118 |
In mobile communications, densely deployed small cell systems using the same frequency band are expected to increase the... [more] | RCS2022-118 pp.120-125 |
| SAT, RCS (Joint) |
2022-08-26 12:05 |
Hokkaido | (Primary: On-site, Secondary: Online) |
Multi-Agent Deep Q-Learning based Inter-Cell Interference Coordination for Cellular Systems Liu Yuchen, Chang Yuyuan, Fukawa Kazuhiko (Tokyo Tech) RCS2022-119 |
In small cell systems, inter-cell interference (ICI) can severely degrade the overall system capacity. To alleviate ICI,... [more] | RCS2022-119 pp.126-131 |
| RCS | 2021-10-21 14:50 |
Online | Online | [Invited Talk]
Generalization of a joint transmit-receive diversity and its application to multi-user MIMO communications Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2021-126 |
In this paper, joint transmit-receiver diversity (JTRD) is presented, which jointly perform transmit diversity and recei... [more] | RCS2021-126 pp.49-54 |
| CS | 2021-07-16 09:40 |
Online | Online | Joint Transmit Power and Beamforming Control based on Unsupervised Machine Learning for MIMO Wireless Communication Networks Naoto Tamada, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Tech) CS2021-29 |
In mobile communications, densely deployed cell systems are expected to improve the system capacity drastically. However... [more] | CS2021-29 pp.63-68 |
| RCS, SR, NS, SeMI, RCC (Joint) |
2021-07-14 09:50 |
Online | Online | A Study on The Effect of Correlated Fading on Joint Transmit-receive Diversity and MIMO Spatial Multiplexing Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2021-79 |
Joint transmit-receive diversity (JTRD) is one of diversity techniques to mitigate the degradation of communication qual... [more] | RCS2021-79 pp.13-18 |
| RCS | 2021-06-23 13:10 |
Online | Online | Investigation of Transmitter Filtering Method for Random Access with Channel Identifier Linked Receiver Beamforming Shogo Uchida (Tokyo Univ. of Science), Nobuhide Nonaka (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2021-37 |
This paper investigates a transmitter filtering (TF) method for random access using physical channel identifier (PCID)-l... [more] | RCS2021-37 pp.49-55 |
| RCS | 2020-10-22 11:25 |
Online | Online | Multi-user MIMO coordinated with user-wise joint transmit-receive diversity using linear antenna array at BS Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2020-96 |
Multi-user MIMO spatial multiplexing has been recognized as an indispensable technique to significantly improve the spec... [more] | RCS2020-96 pp.24-29 |
| RCS | 2020-06-24 15:45 |
Online | Online | Interleaver-Linked Receiver Beamforming with Transmitter Channel Equalization in TDD-IDMA-Based Random Access Yuto Muroki (Tokyo Univ. of Science), Yoshihisa KIshiyama (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2020-29 |
This paper proposes a transmission/reception protocol that combines our previously reported interleaver-linked receiver ... [more] | RCS2020-29 pp.37-42 |
| RCS | 2020-06-26 14:05 |
Online | Online | Joint Transmit Power and 3-Dimentional Beamforming Control using Neural Networks for MIMO Small Cell Systems Shuaifeng Jiang, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Tech) RCS2020-47 |
A densely deployed small cell system is expected to improve the system capacity of mobile communications. Since the neig... [more] | RCS2020-47 pp.145-150 |
| RCS, SIP, IT | 2019-01-31 11:05 |
Osaka | Osaka University | FIR-type Transmit Beamforming for Wide-band Single Carrier MIMO Transmission Keita Kuriyama, Hayato Fukuzono, Masafumi Yoshioka, Tsutomu Tatsuta (NTT) IT2018-40 SIP2018-70 RCS2018-247 |
Wide-band single carrier MIMO transmission performance suffers from inter-symbol interference and inter-stream interfere... [more] | IT2018-40 SIP2018-70 RCS2018-247 pp.31-36 |
| RCS | 2018-06-21 13:00 |
Nagasaki | Nagasaki University | Transmit Beam Selection Scheme for Massive MIMO using Expected Beam Responses Yoshihito Kubo, Yukitoshi Sanada (Keio Univ.) RCS2018-55 |
Massive multiple-input multiple-output (MIMO) realizes simultaneous transmission to a large number of mobile stations (M... [more] | RCS2018-55 pp.119-124 |
| RCS, SR, SRW (Joint) |
2018-03-01 09:20 |
Kanagawa | YRP | Transmit Power and Beamforming Control Using Neural Networks for MIMO Small Cell Networks with Interference Cancellation Koi Tou, Yuyuan Chang, Kazuhiko Fukawa (TokyoTech) RCS2017-347 |
Dense deployment of small cell base stations (BSs) causes the coverage areas of neighboring cells to overlap, which incr... [more] | RCS2017-347 pp.173-178 |
| AP | 2015-02-20 12:40 |
Hyogo | Chusho-kigyou center at Amagasaki-City | [Invited Lecture]
Proposal of fast weight generation method for hand jiggling compensation in short-range MIMO transmission Kazumitsu Sakamoto, Ken Hiraga, Maki Arai, Tomohiro Seki, Toshimitsu Tsubaki, Hideki Toshinaga, Tadao Nakagawa (NTT) AP2014-203 |
In non-contact high speed data transfer applying short-range multiple-input multiple-output (SR-MIMO) transmission in mi... [more] | AP2014-203 pp.89-94 |
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