Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
RCS, SR, SRW (Joint) |
2024-03-13 11:40 |
Tokyo |
The University of Tokyo (Hongo Campus), and online (Primary: On-site, Secondary: Online) |
[Technology Exhibit]
Beamforming Evaluation and Implementation Tool to Support the Development of 5G NR Millimeter-Wave Systems Yuki Umehara (I-Wave) RCS2023-255 |
Research and development of millimeter-wave radio communication systems for the realization of 5G systems are actively b... [more] |
RCS2023-255 p.25 |
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 |
SRW, SeMI (Joint) |
2023-11-22 09:30 |
Tokyo |
Koganei Campus, Tokyo University of Agriculture and Technology (Primary: On-site, Secondary: Online) |
[Short Paper]
A Study on Port Arrangement of Analog Beamforming Network Using 3-dimensional Luneburg Lens Maki Arai, Mikio Hasegawa (Tokyo Univ. of Science) SRW2023-34 |
In this report, we propose a method to design an input/output-port arrangement using a directivity correlation matrix fo... [more] |
SRW2023-34 p.31 |
AP, RCS (Joint) |
2023-11-15 10:25 |
Kumamoto |
Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
Beam Selection Based on Angle-Domain Beam Grouping for Massive MIMO Analog Beamforming Using NOMA in Cellular Downlink Nobuhide Nonaka, Kenichi Higuchi (Tokyo Univ. of Science) RCS2023-152 |
In this paper, we introduce non-orthogonal multiple access (NOMA) into the massive multiple-input multiple-output (MIMO)... [more] |
RCS2023-152 pp.7-12 |
AP, RCS (Joint) |
2023-11-15 13:00 |
Kumamoto |
Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
2D Pre-beamforming Control Method for Improving Performance of Fixed Wavelength Allocation Beamforming with Massive Planar Array Antenna Mizuki Suga, Yuta Takahashi, Yasuyoshi Yamamoto, Hideki Toshinaga, Naoki Kita (NTT) RCS2023-155 |
Radio over fiber (RoF) is attracting much attention as one way to realize high frequency bands systems. A fixed waveleng... [more] |
RCS2023-155 pp.18-23 |
RISING (3rd) |
2023-10-31 09:45 |
Hokkaido |
Kaderu 2・7 (Sapporo) |
[Poster Presentation]
LOS/NLOS estimation using Gaussian process regression in indoor millimeter-wave beamforming Takumi Bushi, Kenji Ohira, Hideyuki Shimonishi (Osaka Univ.) |
Various automations using mobile devices like robots are advancing, and with the collection of large data from
cameras,... [more] |
|
AP |
2023-10-19 13:00 |
Iwate |
Iwate University (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Performance Evaluation of Three Directivity Control Techniques for Increasing Number of Elements in Array Antennas
-- Comparison of analysis using Array Factor, E-MIMO, and Retrodirective methods -- Hinata Kato, Qiaowei Yuan (Tohoku Institute of Technology) AP2023-113 |
The E-MIMO principal method was developed by this laboratory to calculate the maximum efficiency of MIMO systems, and it... [more] |
AP2023-113 pp.94-95 |
MIKA (3rd) |
2023-10-10 15:35 |
Okinawa |
Okinawa Jichikaikan (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Extended kalman filter based beam tracking for vehicle position and velocity estimation under intersection scenario Hu Dou, Jin Nakazato, Ehsan Javanmardi, Asad Muhammad (Utokyo), Maruta Kazuki (TUS), Manabu Tsukada (Utokyo) |
As typified by the IoT, mobile traffic continues to increase with the spread of devices equipped with wireless communica... [more] |
|
RCS, SAT (Joint) |
2023-09-01 09:00 |
Nagano |
Naganoken Nokyo Building, and online (Primary: On-site, Secondary: Online) |
K-Means-Aided Particle Swarm Optimization for Antenna Control in Multi-Cell HAPS System Wei Dai, Siyuan Yang, Mondher Bouazizi, Tomoaki Ohtsuki (Keio.) RCS2023-116 |
High Altitude Platform Stations (HAPS) are considered a solution for providing ultrawide coverage areas and disaster-res... [more] |
RCS2023-116 pp.73-78 |
RCS |
2023-06-14 09:30 |
Hokkaido |
Hokkaido University, and online (Primary: On-site, Secondary: Online) |
Study on Subarray Beam Control for Sub-Terahertz-Band MIMO Spatial Multiplexing Naoki Hamada, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Takeo Ohgane (Hokkaido Univ.) RCS2023-28 |
In 6th generation mobile communication system (6G), the use of sub-Terahertz band (100–300 GHz) is being considered to r... [more] |
RCS2023-28 pp.1-6 |
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 |
CS, CQ (Joint) |
2023-05-18 16:00 |
Kagawa |
Rexxam Hall (Kagawa Kenmin Hall) (Primary: On-site, Secondary: Online) |
A study of wireless 2D beamforming by optical phase control Honoka Ito, Ken Hiraga, Riichi Kudo (NTT) CQ2023-3 |
In the 6G wireless communication system, utilization of high-frequency bands, including the THz band, is being considere... [more] |
CQ2023-3 pp.13-17 |
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 |
RCS, SR, SRW (Joint) |
2023-03-03 09:00 |
Tokyo |
Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
Analysis of the SINR properties of AAA-WS under multipath environment Jumpei Shimaoka, Shun Ishihara, Kenta Umebayashi (Tokyo Univ. of Agriculture and Technology) RCS2022-284 |
In this paper, we analyze the SINR properties of adaptive antenna array based on not only weight but also antenna space ... [more] |
RCS2022-284 pp.201-206 |
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 |
AP |
2022-10-19 09:30 |
Gifu |
GIFU CITY CULTURE CENTER (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Fast and High-accuracy Channel Estimation Method for Reconfigurable Intelligent Surfaces Combining Load Modulation and Compressed Sensing Techniques Shun Sasaki, Takumi Kato, Kentaro Murata, Naoki Honma (Iwate Univ.) AP2022-105 |
In this study, we propose a channel estimation method for reconfigurable intelligent surfaces (RIS) combining the load m... [more] |
AP2022-105 pp.47-52 |
SIS, ITE-BCT |
2022-10-14 11:25 |
Aomori |
Hachinohe Institute of Technology (Primary: On-site, Secondary: Online) |
Fundamental Study of Underwater Acoustic Communication Using a Bidirectional Retrodirective System Takahiro Ishikawa, Shingo Yoshizawa (Kitami Inst. of Tech.) SIS2022-20 |
Beamforming is a technique that concentrates wave energy in a specific direction using multiple element arrays. It can e... [more] |
SIS2022-20 pp.49-52 |
MIKA (3rd) |
2022-10-14 10:40 |
Niigata |
Niigata Citizens Plaza (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Antenna and system evaluation techniques for OTA evaluation Yoshiki Shirasawa, Noboru Sekino, Takeyuki Aizaki (DKK) |
We are participating in the research and development of evaluation methods for spatial transmission Wireless Power Trans... [more] |
|
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 |