Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
RCC, RCS, SeMI, NS, SR, RISING (Joint) |
2024-07-18 11:15 |
Hokkaido |
Hokkaido Citizens Activities Promotion Center (Primary: On-site, Secondary: Online) |
Joint Design of Linear Equalization and Beamforming for Single-Carrier Sub-Terahertz Systems Sota Uchimura (UEC), Kengo Ando, Giuseppe Abreu (CU), Koji Ishibashi (UEC) |
(To be available after the conference date) [more] |
|
RCS |
2024-06-19 11:30 |
Okinawa |
(Primary: On-site, Secondary: Online) |
Design of Multi-Panel Array Over Millimeter-Wave Channel with Stochastic Blockage Kanta Terui, Kabuto Arai, Koji Ishibashi (UEC) |
(To be available after the conference date) [more] |
|
SRW, MWPTHz |
2024-06-07 13:10 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
[Invited Lecture]
A Study on Optimization of Antenna Array Configuration for Orthogonal Directional MIMO Transmission Maki Arai, Mikio Hasegawa (Tokyo Univ. of Science) |
(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.) OFT2024-2 |
Recently, the performance of the hollow core fiber has been remarkably improved. The application of the hollow core fibe... [more] |
OFT2024-2 pp.5-8 |
RCS |
2024-04-26 10:20 |
Hiroshima |
(Primary: On-site, Secondary: Online) |
Extended Angle-Domain Beam Grouping-Based Beam Selection for Massive MIMO Analog Beamforming Using NOMA in Cellular Downlink Nobuhide Nonaka, Kenichi Higuchi (Tokyo Univ. of Science) RCS2024-8 |
In this paper, we consider an appropriate beam selection method in downlink massive multiple-input multiple-output (mMIM... [more] |
RCS2024-8 pp.38-45 |
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 |
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) |
2024-03-14 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 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 |
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] |
|
RISING (3rd) |
2023-10-31 10:45 |
Hokkaido |
Kaderu 2・7 (Sapporo) |
[Poster Presentation]
Study on Beamforming Feedback in Wireless LANs and Singular Value Decomposition Hiroki Shimomura (Kyoto Univ.), Koji Yamamoto (KIT), Takayuki Nishio (Tokyo Tech.), Akihito Taya (Tokyo Univ.) |
We investigated the properties of beamforming feedback (BFF) facilitated by singular value decomposition (SVD) as a step... [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 |