Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
SR |
2024-05-21 14:20 |
Kagoshima |
Yokacenter (Kagoshima) (Primary: On-site, Secondary: Online) |
Near Fields Experiments of Intelligent Reflecting Surface at 60 GHz Yugo Tanabu, Mitsuni Hinohara, Hiroto Oshima, Yuichi Kawamoto, Nei Kato (Tohoku Univ.), Susumu Ano, Kazuto Yano (ATR) |
(To be available after the conference date) [more] |
|
OFT |
2024-05-09 13:45 |
Nagasaki |
(Primary: On-site, Secondary: Online) |
[Invited Talk]
Application of hollow core fibers to the optical transmission system and future prospects Hiroyuki Tsuda (Keio Univ.) |
(To be available after the conference date) [more] |
|
RCS |
2024-04-26 13:00 |
Hiroshima |
(Primary: On-site, Secondary: Online) |
Frequency sharing between ground and sky cells by applying beamforming and MU-MIMO canceller in mobile communication. Toshihisa Tsuji, Kohei Mitsumoto, Teruya Fujii (Tokyo Tech) RCS2024-11 |
To enable the use of mobile communication systems in the sky, we propose a "three-dimensional space cell structure" that... [more] |
RCS2024-11 pp.48-53 |
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 |
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 |
WPT |
2024-03-15 16:15 |
Kyoto |
Kyoto-Univ. (Uji campus) (Primary: On-site, Secondary: Online) |
A Beamforming Antenna using Analog Phase Shifter for 5.7GHz RF Wireless Power Transfer System Shota Futamata, Norimasa Nakashima (FIT) WPT2023-59 |
This paper persents an attempt to realize a beamforming antenna using a reflective phase shifter for 5.7GHz wireless pow... [more] |
WPT2023-59 pp.117-122 |
RCS, SR, SRW (Joint) |
2024-03-13 13:10 |
Tokyo |
The University of Tokyo (Hongo Campus), and online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Beamforming/Null-steering for Millimeter-wave Transmission in High Mobility Environment Kazuki Maruta, Yuki Sasaki, Sojin Ozawa (Tokyo Univ. of Science), Kazuto Arai (The Univ. of Electro-Communications), Jin Nakazato, Manabu Tsukada (UTokyo) SRW2023-52 |
Spatial multiplexing performance of the multi-user MIMO is deteriorated in the mobility environment, especially using th... [more] |
SRW2023-52 p.39 |
RCS, SR, SRW (Joint) |
2024-03-14 10:30 |
Tokyo |
The University of Tokyo (Hongo Campus), and online (Primary: On-site, Secondary: Online) |
[Short Paper]
A Study on Cell ID Detection Performance by Phase Rotation with Fast Beam Steering Kotaro Tanaka, Hideya So (SIT), Kazuki Maruta (TUS), Takana Kaho (SIT) SR2023-97 |
Beamforming using multiple antenna elements has been considered to increase high-speed wireless communications, but it r... [more] |
SR2023-97 pp.49-51 |
RCS, SR, SRW (Joint) |
2024-03-14 10:45 |
Tokyo |
The University of Tokyo (Hongo Campus), and online (Primary: On-site, Secondary: Online) |
A Proposal of Millimeter-wave Digital Beam Forming Antenna for Transmit Using Optical Fiber Link with Band-Pass Delta Sigma Modulation Satoshi Tsukamoto, Tomoyuki Furuichi, Noriharu Suematsu (Tohoku Univ.) SR2023-98 |
In order to reduce the size and cost of millimeter-wave distributed antenna systems for 5G terrestrial networks and sat-... [more] |
SR2023-98 pp.52-56 |
RCS, SR, SRW (Joint) |
2024-03-15 13:50 |
Tokyo |
The University of Tokyo (Hongo Campus), and online (Primary: On-site, Secondary: Online) |
Time-Varying Channel Prediction Considering Angle-of-Arrival Variation for Hybrid Massive MIMO Communications Yuki Ono, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Tech), Satoshi Suyama, Takahiro Asai (NTT DOCOMO) RCS2023-287 |
For 5G massive MIMO systems, hybrid beamforming (HB), which is composed of analog beamforming (AB) and digital beamformi... [more] |
RCS2023-287 pp.146-151 |
SIP, SP, EA, IPSJ-SLP [detail] |
2024-03-01 15:25 |
Okinawa |
(Primary: On-site, Secondary: Online) |
Investigation on factors of beamforming with reduced the number of microphones on sound space synthesis Ryosuke Oyashiki, Kanji Watanabe, Masayuki Nishiguchi, Koji Abe (Akita Prefectural Univ.) EA2023-122 SIP2023-169 SP2023-104 |
Our goal is to realize a system that reproduces a certain sound field in a different field.
We have proposed a system u... [more] |
EA2023-122 SIP2023-169 SP2023-104 pp.352-359 |
SIP, SP, EA, IPSJ-SLP [detail] |
2024-03-01 16:35 |
Okinawa |
(Primary: On-site, Secondary: Online) |
Evaluations of Multi-channel Blind Source Separation for Speech Recognition in Car Environments Yutsuki Takeuchi, Natsuki Ueno, Nobutaka Ono (Tokyo Metropolitan Univ.), Takashi Takazawa, Shuhei Shimanoe, Tomoki Tanemura (MIRISE Technologies) EA2023-127 SIP2023-174 SP2023-109 |
In car environments, speech recognition is difficult due to various types of noise. For this issue, speech enhancement b... [more] |
EA2023-127 SIP2023-174 SP2023-109 pp.388-393 |
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 |
EMM, EA, ASJ-H |
2023-11-23 13:00 |
Toyama |
|
[Poster Presentation]
Investigation on improvement of beamforming low-frequency characteristics by estimation of virtual microphone array signal Ryosuke Oyashiki, Kanji Watanabe, Masayuki Nishiguchi, Koji Abe (Akita Prefectural Univ.) EA2023-32 EMM2023-63 |
Our goal is to realize a system that reproduces a certain sound field in a different field.We have proposed a system usi... [more] |
EA2023-32 EMM2023-63 pp.23-30 |
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 |
AP, RCS (Joint) |
2023-11-15 13:25 |
Kumamoto |
Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
Performance Evaluation of Beam Search Scheme using Fast Beam Steering Hideya So, Kouki Namegaya (SIT), Kazuki Maruta (TUS), Takana Kaho (SIT) RCS2023-156 |
This report proposes a multiple beam searches with fast beam steering within a single synchronization signal block (SSB)... [more] |
RCS2023-156 pp.24-28 |
AP, RCS (Joint) |
2023-11-15 15:35 |
Kumamoto |
Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
Adaptive Fast Beam Tracking Algorithm for Various Road Environment Ryo Iwaki, Jin Nakazato (UTokyo), Sojin Ozawa, Kazuki Maruta (TUS), Muhammad Asad, Ehsan Javanmardi, Manabu Tsukada, Hideya Ochiai, Hiroshi Esaki (UTokyo) RCS2023-160 |
The commercialization of 5G has been initiated for a while. Furthermore, millimeter wave (mmWave) has been introduced to... [more] |
RCS2023-160 pp.45-50 |
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] |
|