Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
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 |
SIP, SP, EA, IPSJ-SLP [detail] |
2024-02-29 16:20 |
Okinawa |
(Primary: On-site, Secondary: Online) |
Multiple sound source localization system in a rectangular area based on a distributed microphone array network Toru Takahashi, Kotaro Fukuda, Taiki Kanbayashi, Hitoshi Ogaki (OSU), Ryo Higashigawa (coroutine), Masato Nakayama (OSU) EA2023-87 SIP2023-134 SP2023-69 |
This paper describes a method for simultaneously localizing multiple sound sources inside of a square area using a netwo... [more] |
EA2023-87 SIP2023-134 SP2023-69 pp.156-161 |
UWT (2nd) |
2024-01-29 17:05 |
Tokyo |
Tokai University Shinagawa Campus (Primary: On-site, Secondary: Online) |
Adaptive Underwater Optical Wireless Communication Network Utilizing Beam Steering for Air/Water Path Switching Kiichiro Kuwahara, Hyuga Nagami, Keita Tanaka, Fumiya Kobori, Ayumu Kariya (Kagawa Univ.), Shogo Hayashida (Sangikyo), Takahiro Kodama (Kagawa Univ.) |
In this research, we introduced an aerial relay node and conducted a full-duplex class 1 eye-safe transmission experimen... [more] |
|
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 |
CS |
2023-07-27 09:53 |
Tokyo |
Hachijo-machi Chamber of Commerce and Industry |
Performance Evaluation of TDM-Based Wireless Power Transfer in Time Variant Channels Yuna Sawada, Shino Shiraki, Chika Yajima, Takahiro Matsuda (TMU), Takefumi Hiraguri (NIT), Kazuki Maruta (TUS), Tomotaka Kimura (DU) CS2023-24 |
We evaluate the performance of TDM (Time Division Multiplexing)-based wireless power transfer systems with simulation ex... [more] |
CS2023-24 pp.20-25 |
RCS |
2023-06-14 11:10 |
Hokkaido |
Hokkaido University, and online (Primary: On-site, Secondary: Online) |
A study on relationship between split control of intelligent reflecting surface and date rate Taishi Endo, Yuichi Kawamoto, Nei Kato (Tohoku Univ.), Masashi Iwabuchi, Tomoaki Murakami (NTT) RCS2023-37 |
IRS has a problem that it cannot reflect all frequencies in the intended direction when the entire device is used to for... [more] |
RCS2023-37 pp.54-58 |
OCS, LQE, OPE |
2023-05-26 16:05 |
Online |
Online |
[Special Invited Talk]
Real-time 50-Gbit/s Spatially Multiplexed Quantum Random Number Generator Ken Tanizawa, Kentaro Kato, Fumio Futami (Tamagawa Univ.) OCS2023-7 OPE2023-7 LQE2023-7 |
Unpredictable random number generation is an essential technology for cryptographic applications. Quantum random number ... [more] |
OCS2023-7 OPE2023-7 LQE2023-7 pp.26-31 |
SANE, SAT (Joint) |
2023-03-03 13:30 |
Okinawa |
(Primary: On-site, Secondary: Online) |
Experiment of multi-frequency multi-beam pointing with a software defined radio for a synthetic aperture radar with transmission frequency multiplexing Akihisa Uematsu, Toshiyuki Nishibori (JAXA), Noriyuki Kawaguchi (NAOJ) SANE2022-119 |
Experiment for previously proposed transmission frequency multiplexing method for Spaceborne synthetic aperture radar (S... [more] |
SANE2022-119 pp.113-117 |
AP |
2023-02-15 09:55 |
Miyagi |
Tohoku University, Aobayama Campus (Primary: On-site, Secondary: Online) |
Beam Scanning Characteristics of the Multi-Folding Array Antenna on CubeSat Akira Sato, Daiki Hosaka, Kenzi Saegusa, Dadashi Takano (Nitidai) AP2022-198 |
Conventional deployable array antennas are deployed on a single plane, whereas a multi-folded array antenna mounted on C... [more] |
AP2022-198 pp.5-10 |
MW |
2022-12-16 09:00 |
Mie |
Jingu-Kaikan(Ise) (Primary: On-site, Secondary: Online) |
Optimization of Concave Reflector and Feed-Point Azimuths on Loop-Antenna-Array OAM Multiplex Long-Range Communication System Katsuya Ishihara, Akira Saitou, Kazuhiko Honjo, Ryo Ishikawa (UEC) MW2022-139 |
Utilizing the orbital angular momentum (OAM) of electromagnetic waves has recently been attracting attention for providi... [more] |
MW2022-139 pp.38-42 |
RCS, AP, UWT (Joint) |
2022-11-17 11:00 |
Fukuoka |
Kyushu University, and Online (Primary: On-site, Secondary: Online) |
[Invited Talk]
Fundamentals of Orbital Angular Momentum (OAM) Mode Multiplexing Toshihiko Nishimura (Hokkaido Univ.) AP2022-164 RCS2022-177 |
The demand for high-capacity wireless communications is increasing as we move toward the 6G era, which will provide a fu... [more] |
AP2022-164 RCS2022-177 pp.97-102(AP), pp.130-135(RCS) |
SAT, SANE (Joint) |
2022-02-25 11:20 |
Online |
Online |
Expantion of swath width for a synthetic aperture radar with transmission frequency multiplexing Akihisa Uematsu, Toshiyuki Nishibori (JAXA) SANE2021-102 |
To realize wider swath width for spaceborne synthetic aperture radar (SAR), transmission frequency multiplexing method i... [more] |
SANE2021-102 pp.26-30 |
IE, ITS, ITE-AIT, ITE-ME, ITE-MMS [detail] |
2022-02-21 15:05 |
Online |
Online |
Mode diffusion technique for reduction of crosstalk in volume holographic mode demultiplexer Shuanglu Zhang, Atsushi Okamoto, Akihisa Tomita (Hokkaido Univ.) |
Volume holographic demultiplexers (VHDMs) utilize angularly multiplexed volume holograms to separate multiplexed spatial... [more] |
|
RCS |
2021-10-21 11:15 |
Online |
Online |
A Study on Resource Allocation and Beamforming Design via Geometric Mean Maximization for Cell-free Massive MIMO Systems with Dynamic TDD Shuto Fukue (UEC), Hiroki Iimori, Giuseppe Abreu (JUB), Koji Ishibashi (UEC) RCS2021-121 |
In this paper, we consider a cell-free multiple-input multiple-output (MIMO) systems operated in a dynamic time division... [more] |
RCS2021-121 pp.19-24 |
SANE |
2021-08-26 14:00 |
Online |
Online |
A Consideration for Virtual Array in MIMO Radar Hirokazu Kobayashi (Electromagnetic Wave System Lab.) SANE2021-22 |
Multiple-input multiple-output (MIMO) radar that employs multiple antennas to transmit orthogonal waveforms and multiple... [more] |
SANE2021-22 pp.1-6 |
RCS, SAT (Joint) |
2021-08-27 14:55 |
Online |
Online |
Resource Allocation and Beamforming Design Considering User Fairness for Cell-Free Massive MIMO System with Dynamic TDD Shuto Fukue (UEC), Hiroki Iimori, Giuseppe Abreu (JUB), Koji Ishibashi (UEC) RCS2021-115 |
In this paper, we consider a cell-free massive multiple-input multiple-output (MIMO) system, in which uplink and downlin... [more] |
RCS2021-115 pp.85-90 |
AP |
2021-04-16 14:25 |
Hyogo |
Kinosaki International Arts Center (Primary: On-site, Secondary: Online) |
Multiple Helix Large-Scale MIMO Antenna for Inter-Flying Car High-Speed Communications at Plural Target Directions Kazuhiro Honda, Koichi Ogawa (Toyama Univ.) AP2021-7 |
The author presented a multiple helix array structure for realizing a 256 × 256 large-scale MIMO antenna. In this archit... [more] |
AP2021-7 pp.34-39 |
RCS, SR, SRW (Joint) |
2021-03-05 16:55 |
Online |
Online |
Compensation for axis misalignment of UCA with OAM beam control Nobuhiko Sakuraya, Toshihiko Nishimura, Takeo Ohgane (Hokkaido Univ), Tomoya Tandai, Daisuke Uchida (Toshiba) RCS2020-260 |
In recent years, mobile data traffic has increased explosively due to increasing wireless devices. Capacity enhancement ... [more] |
RCS2020-260 pp.261-266 |
OCS, CS (Joint) |
2021-01-15 13:00 |
Online |
Online |
Effect of spatial resolution of compensated wave front on performance in volume hologram demultiplexer Hotaka Hayashi, Atsushi Okamoto (Hokkaido Univ.), Taketoshi Takahata (OPTOQUEST), Satoshi Shinada, Yuta Goto, Naoya Wada (NICT), Kazuhisa Ogawa, Akihisa Tomita (Hokkaido Univ.) OCS2020-34 |
We are proposing volume hologram mode demultiplexer (VHDM) as a demultiplexer for mode division multiplex communication.... [more] |
OCS2020-34 pp.37-41 |
NS, RCS (Joint) |
2020-12-18 15:00 |
Online |
Online |
Dynamic TDD Allocation via Fractional Programming for Cell-Free Massive MIMO Systems Shuto Fukue (UEC), Hiroki Iimori, Giuseppe Abreu (Jacobs Univ. Bremen), Koji Ishibashi (UEC) RCS2020-151 |
In this paper, we consider a user-centric spacial resource management problem for cell-free massive MIMO architectures w... [more] |
RCS2020-151 pp.91-96 |