Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP |
2024-03-14 10:25 |
Fukui |
UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
Direction of arrival estimation using neural networks and Uniform Cross Array for LoS-MIMO transmission Motoshi Tawada, Yoshichika Ohta (SoftBank) AP2023-202 |
The feeder link between the fixed ground station and the HAPS requires high capacity to accommodate the traffic of termi... [more] |
AP2023-202 pp.7-10 |
RCS, SR, SRW (Joint) |
2024-03-13 09:55 |
Tokyo |
The University of Tokyo (Hongo Campus), and online (Primary: On-site, Secondary: Online) |
User Scheduling based on Expanded Null-Space for Massive MIMO Yuki Sasaki (Tokyo Univ. of Scince), Kabuto Arai (The Univ. of Electro-Communications), Jin Nakazato (UTokyo), Kazuki Maruta (Tokyo Univ. of Scince) RCS2023-250 |
This paper proposes a user scheduling scheme for multi-user massive MIMO (MU-mMIMO), particularly effective in time-vary... [more] |
RCS2023-250 pp.1-6 |
RCS, SR, SRW (Joint) |
2024-03-13 10:20 |
Tokyo |
The University of Tokyo (Hongo Campus), and online (Primary: On-site, Secondary: Online) |
Study on Time-Varying Tolerance Enhancement Using Null-Space Expansion Technique for Linear MIMO Reception Shohei Kobayashi, Yuki Ohi, Hidekazu Murata (Yamaguchi Univ.), Makoto Taromaru (Hukuoka Univ.), Tatsuhiko Iwakuni, Daisei Uchida, Naoki Kita (NTT) RCS2023-251 |
The transmission performance deteriorate if the combining weights for interference suppression are fixed within a packet... [more] |
RCS2023-251 pp.7-10 |
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) |
2024-03-15 16:40 |
Tokyo |
The University of Tokyo (Hongo Campus), and online (Primary: On-site, Secondary: Online) |
Relationship between amount of collaboration traffic and error performance of terminal collaborated MIMO reception using adaptive collaboration scheme Shunya Morimoto, Hayato Sugai, Hidekazu Murata (Yamaguchi Univ.), Daisuke Murayama, Toshiro Nakahira, Tomoaki Ogawa (NTT) RCS2023-293 |
This paper discusses terminal-collaborated MIMO reception, in which multiple wireless terminals in the neighborhood coll... [more] |
RCS2023-293 pp.182-186 |
IE, MVE, CQ, IMQ (Joint) [detail] |
2024-03-15 13:30 |
Okinawa |
Okinawa Sangyo Shien Center (Primary: On-site, Secondary: Online) |
Coexistence Scheme with Mobile Terminals by Null-Space Expansion in Wireless Power Transfer Shuma Okita, Yuki Sasaki (Tokyo Univ. of Science), Takahiro Matsuda (Tokyo Metropolitan Univ.), Tomotaka Kimura (Doshisha Univ.), Takefumi Hiraguri (NIT), Kazuki Maruta (Tokyo Univ. of Science) CQ2023-86 |
Wireless Power Transfer (WPT) is a promising technology that can supply energy to an increasing number of IoT terminals ... [more] |
CQ2023-86 pp.81-86 |
SIP, IT, RCS |
2024-01-19 14:55 |
Miyagi |
(Primary: On-site, Secondary: Online) |
Performance of the Joint PAPR Reduction Method Using Null Space in Channel for MIMO-OFDM Signals and Predistortion Techniques in Multiple-Antenna AF-type Relay Transmission Asuka Kakehashi, Kenichi Higuchi (Tokyo Univ. of Science) IT2023-69 SIP2023-102 RCS2023-244 |
The combination of the peak-to-average power ratio (PAPR) reduction and predistortion (PD) technique removes the nonline... [more] |
IT2023-69 SIP2023-102 RCS2023-244 pp.211-216 |
NS, RCS (Joint) |
2023-12-15 11:20 |
Fukuoka |
Kyushu Institute of Technology Tobata campus, and Online (Primary: On-site, Secondary: Online) |
Speeding up MIMO systems with a small number of transmitting antennas using overload MIMO and methods to improve their characteristics Takumi Sugimoto, Satosi Denno, Yafei Hou (Okayama Univ.) RCS2023-197 |
In this research, we aim to further speed up MIMO communication, assuming uplinks with a small number of transmitting an... [more] |
RCS2023-197 pp.106-111 |
NS, RCS (Joint) |
2023-12-15 15:40 |
Fukuoka |
Kyushu Institute of Technology Tobata campus, and Online (Primary: On-site, Secondary: Online) |
Optimization of Base Station Coordinated Virtualized Cell MU-MIMO Canceller according to the Accuracy of Channel Estimation Ryohei Maeda, Takafumi Fujii (SoftBank), Teruya Fujii (Tokyo Tech./SoftBank) RCS2023-204 |
In mobile communication systems such as 5G, ultra-high-speed data transmission anywhere within a cell is expected. In ce... [more] |
RCS2023-204 pp.141-146 |
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 16:00 |
Kumamoto |
Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
Location-Based Broad-Range Null-Steering in V2I Multiuser MIMO Transmission Yuki Sasaki, Sojin Ozawa (Tokyo Univ. of Science), Kabuto Arai (The Univ. of Electro-Communications), Jin Nakazato, Manabu Tsukada (UTokyo), Kazuki Maruta (Tokyo Univ. of Science) RCS2023-161 |
This paper proposes a location based broad-range null-steering (BRNS) scheme for vehicle to everything (V2X) multiuser M... [more] |
RCS2023-161 pp.51-56 |
AP, RCS (Joint) |
2023-11-16 09:30 |
Kumamoto |
Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Relaying achieving high-capacity and low-latency data transmission in millimeter wave bands (*) Masahiro Takigawa, Ryochi Kataoka, Issei Kanno, Yoji Kishi (KDDI Research) AP2023-140 RCS2023-163 |
This paper introduces our efforts to realize high capacity and low latency data transmission. Millimeter wave bands such... [more] |
AP2023-140 RCS2023-163 p.59(AP), p.63(RCS) |
AP, RCS (Joint) |
2023-11-16 13:00 |
Kumamoto |
Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
[Invited Talk]
User Terminal Collaborated MIMO Communications Exploiting Higher-Frequency Bands
-- Prototyping 12-multiplexing equipment with collaboration at 26 GHz -- Hidekazu Murata (Yamaguchi Univ.) AP2023-145 RCS2023-168 |
This paper introduces a transmission/reception technique based on mobile terminal collaboration that equivalently increa... [more] |
AP2023-145 RCS2023-168 p.79(AP), p.83(RCS) |
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 |
RCS |
2023-10-20 15:15 |
Kagawa |
Kagawa University (Saiwai-cho Campus), and online (Primary: On-site, Secondary: Online) |
Application of Joint Transmit-Receive Diversity to A Cellular Distributed MU-MIMO System Ryo Takahashi (PSNRD), Hidenori Matsuo (Panasonic Holdings), Fumiyuki Adachi (Tohoku Univ.) RCS2023-148 |
Cellular distributed multiuser MIMO (MU-MIMO) is a cellular system in which a wide communication service area is divided... [more] |
RCS2023-148 pp.90-95 |
RCS |
2023-10-20 15:40 |
Kagawa |
Kagawa University (Saiwai-cho Campus), and online (Primary: On-site, Secondary: Online) |
Investigations on Low-Complexity User-Specific TRP Selection Method in Downlink Distributed MIMO with Channel Estimation Errors Hiroki Kato, Takanori Hara, Kenichi Higuchi (TUS) RCS2023-149 |
In this paper, we propose a computationally-efficient method for user equipment (UE)-specific transmission reception poi... [more] |
RCS2023-149 pp.96-101 |
SIS, ITE-BCT |
2023-10-12 14:20 |
Yamaguchi |
HISTORIA UBE (Primary: On-site, Secondary: Online) |
Prototype of 2x4 MIMO SC-FDE Modem for Large-capacity Transmission using Millimeter-wave Band Yoshifumi Matsusaki, Fumiya Yamagishi, Takayuki Nakagawa, Naohiko Iai, Tsuyoshi Nakatogawa (NHK) |
We have been conducting research and development on a wireless transmission scheme using 42-GHz band in millimeter waves... [more] |
|
SIS, ITE-BCT |
2023-10-12 14:45 |
Yamaguchi |
HISTORIA UBE (Primary: On-site, Secondary: Online) |
Performance evaluation of null-space expanded linear reception technique over time-varying MIMO channels Yuki Ohi, Hidekazu Murata (Yamaguchi Univ.), Makoto Taromaru (Fukuoka Univ.), Tatsuhiko Iwakuni, Daisei Uchida, Naoki Kita (NTT) |
This paper considers the improvement of multiple-input multiple-output signal separation performance using a linear spat... [more] |
|
SIS, ITE-BCT |
2023-10-13 13:05 |
Yamaguchi |
HISTORIA UBE (Primary: On-site, Secondary: Online) |
Performance improvement of terminal-collaborated MIMO reception system leveraging multiple decision results Hayato Sugai, Hidekazu Murata (Yamaguchi Univ.), Daisuke Murayama, Toshiro Nakahira, Tomoaki Ogawa (NTT) |
This paper deals with terminal-collaborated MIMO reception, in which nearby terminals collaborate to receive a MIMO sign... [more] |
|
SIS, ITE-BCT |
2023-10-13 13:25 |
Yamaguchi |
HISTORIA UBE (Primary: On-site, Secondary: Online) |
Performance of terminal-collaborated MIMO reception with two-stage terminal selection schemes based on channel matrices and residual error coefficients Ryosuke Kanda, Hidekazu Murata (Yamaguchi Univ.), Satoshi Suyama, Huiling Jiang (NTT DOCOMO) |
In terminal-collaborated multiple-input multiple-output (MIMO) reception, the terminal to be the collaboration partner n... [more] |
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