Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
RCS |
2024-04-25 14:20 |
Hiroshima |
(Primary: On-site, Secondary: Online) |
A Study on Adaptive Beamwidth Control Method Using Vehicular Sensor and Map Information in 5G Millimeter-Wave Vehicle Communication System Tatkumi Eboshita, Eiji Okamoto (NITech) |
(To be available after the conference date) [more] |
|
AP |
2024-03-15 11:25 |
Fukui |
UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
Beamforming of Large-Scale Array Antennas by Quasi-Quantum Annealing using Real-number Maclaurin Expansion Mitoshi Fujimoto, Shogo Kaginushi (Univ. Fukui), Ryo Yamaguchi, Kazuma Tomimoto (Softbank) AP2023-214 |
Beyond5G and 6G are considering using higher frequency bands than the current mobile communication systems. Since radio ... [more] |
AP2023-214 pp.74-79 |
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 |
2023-10-20 15:20 |
Iwate |
Iwate University (Primary: On-site, Secondary: Online) |
Beamforming of Large-Scale Array Antennas by Quasi-Quantum Annealing Mitoshi Fujimoto, Shogo Kaginushi (Univ. Fukui), Ryo Yamaguchi, Kazuma Tomimoto (Softbank) AP2023-127 |
Beyond5G and 6G are considering using higher frequency bands than the current mobile communication systems. Since radio ... [more] |
AP2023-127 pp.153-157 |
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 |
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 |
RCS |
2023-06-14 15:35 |
Hokkaido |
Hokkaido University, and online (Primary: On-site, Secondary: Online) |
A Study on Accurate Beam Tracking Method Using Vehicle Location Information in 5G Millimeter Wave Vehicle Communication System Takumi Eboshita, Eiji Okamoto (NIT) RCS2023-41 |
Millimeter-wave band having a wide bandwidth is being used in 5G, and is expected to be an important means of communicat... [more] |
RCS2023-41 pp.75-80 |
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) |
2023-03-03 15:50 |
Tokyo |
Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
Simultaneous Beam Search with Multiple Distributed Antennas for Distributed Antenna System Shuki Wai, Takuto Arai, Tatsuhiko Iwakuni, Daisei Uchida, Naoki Kita (NTT) RCS2022-295 |
Distributed antenna (DA) system using high-frequency bands such as millimeter-wave and sub-terahertz is expected to be o... [more] |
RCS2022-295 pp.249-254 |
EMT, IEE-EMT |
2022-11-18 11:10 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
Phase measurement and adjustment of reflector antenna with beam waveguide feeds Shin-ichi Yamamoto, Hiroto Ado, Ryuya Seki, Yasuhiro Nishioka (Mitsubishi Electric Corp.) EMT2022-64 |
In recent years, the use of multiple 32-m class medium-sized reflector antennas arranged in an array configuration has b... [more] |
EMT2022-64 pp.111-116 |
SAT, RCS (Joint) |
2022-08-26 09:50 |
Hokkaido |
(Primary: On-site, Secondary: Online) |
Beam Pattern Estimation Based on Radio Map and Multi-beam Antenna Model for 5G Transmitter at 28GHz Shougo Matsuo, Hirofumi Nakajo, Sunao Miyamoto, Fujii Takeo (UEC), Kenji Wakafuji, Ryota Nihei, Kohei Yoshida (NEC) RCS2022-120 |
Radio map attracts attention as a low computation cost and an accurate method for estimating radio propagation. Radio ma... [more] |
RCS2022-120 pp.132-137 |
RCS |
2022-06-15 09:55 |
Okinawa |
University of the Ryukyus, Senbaru Campus and online (Primary: On-site, Secondary: Online) |
Simulation Evaluation of Millimeter Wave Cell Free massive MIMO for Realistic Deployment Environment Shunsuke Kamiwatari, Issei Kanno, Takahiro Hayashi, Yoshiaki Amano (KDDI Research, Inc.) RCS2022-25 |
Cell-free massive MIMO (CF mMIMO) is a candidate elemental technology for Beyond 5G. In this paper, we report the result... [more] |
RCS2022-25 pp.7-12 |
RCS |
2022-06-16 10:55 |
Okinawa |
University of the Ryukyus, Senbaru Campus and online (Primary: On-site, Secondary: Online) |
Study on Highly Accurate Beam Tracking Method Using Onboard Spherical Array Antenna for 5G Millimeter Wave Vehicle Communication Systems Taisei Kurahashi, Ryo Kato, Eiji Okamoto (NITech) RCS2022-46 |
In vehicle-to-network (V2N) communications in the fifth-generation mobile communication system (5G), the use of millimet... [more] |
RCS2022-46 pp.132-137 |
SIS, IPSJ-AVM |
2022-06-10 11:20 |
Fukuoka |
KIT(Wakamatsu Campus) (Primary: On-site, Secondary: Online) |
Sugar content detection using wireless LAN system for sucrose aqueous solution Souta Yakura, Naoto Sasaoka, Tadao Nakagawa, Yoshihiro Takemura (Tottori Univ.) SIS2022-8 |
Currently, Japan’s agricultural industry is facing various problems such as farming population. To solve such problems ,... [more] |
SIS2022-8 pp.36-40 |
SeMI |
2022-01-20 15:20 |
Nagano |
(Primary: On-site, Secondary: Online) |
[Short Paper]
A Study of Beamforming Feedback-based Model-driven Angle of Departure Estimation Sohei Itahara (Kyoto Univ.), Takayuki Nishio (Kyoto Univ./Tokyo Tech.), Koji Yamamoto (Kyoto Univ.) SeMI2021-68 |
This paper introduces the angle of departure (AoD) estimation method [1] using the multiple signal classification (MUSIC... [more] |
SeMI2021-68 pp.59-61 |
MWP |
2021-11-26 13:50 |
Online |
Online |
[Invited Talk]
R&D for Higher Frequency Bands Radio-over-Fiber Systems Yushi Shirato, Kota Ito, Mizuki Suga, Takuto Arai, Yuta Takahashi, Yasuyoshi Yamamoto, Naoki Kita (NTT) MWP2021-31 |
In order to enhance the transmission capacity, it is effective to use higher frequency band radio waves with abundant fr... [more] |
MWP2021-31 pp.6-11 |
WPT, UWT (Joint) |
2021-11-12 13:30 |
Online |
Online |
Estimation of fluctuation diameter affecting underwater propagating light Yoshihisa Takayama, Hiroki Yamashita (Tokai Univ.), Seigo Takahashi (Trimatiz) |
The validity of the approach to estimate the size of the fluctuation in water affecting to the propagation of light is e... [more] |
|
AP, RCS (Joint) |
2021-11-11 10:55 |
Nagasaki |
NBC-Bekkan (Nagasaki) (Primary: On-site, Secondary: Online) |
A Study on Receive Beamforming for Multi-User Detection with Trainable Gaussian Belief Propagation Takanobu Doi, Jun Shikida, Kazushi Muraoka, Naoto Ishii (NEC), Daichi Shirase, Takumi Takahashi (Osaka Univ.), Shinsuke Ibi (Doshisha Univ.) RCS2021-159 |
We propose two digital receive beamforming (BF) methods for low-complexity and high-accuracy uplink signal detection via... [more] |
RCS2021-159 pp.86-91 |
RCS |
2021-10-21 13:00 |
Online |
Online |
Initial access beam search method with variable beam width according to the area size Takuto Arai, Tatsuhiko Iwakuni, Syuki Wai, Daisei Uchida, Naoki Kita (NTT) RCS2021-122 |
High gain antennas using narrow-beamforming are required to compensate for high propagation loss in high frequency bands... [more] |
RCS2021-122 pp.25-30 |
RCS |
2021-10-21 13:25 |
Online |
Online |
A New Beam Search Based on Combination History of Selected Beams among Antennas for Distributed Antenna System Shuki Wai, Tatsuhiko Iwakuni, Takuto Arai, Daisei Uchida, Naoki Kita (NTT) RCS2021-123 |
Distributed antenna system using high-frequency bands such as millimeter-wave and sub-terahertz is expected to be one of... [more] |
RCS2021-123 pp.31-36 |