Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP |
2024-05-17 09:30 |
Okinawa |
Okinawa Industry Support Center (Primary: On-site, Secondary: Online) |
Development of Versatile Multi-Link MIMO Channel Sounding Sensor Network Using Software-Defined Radios Minseok Kim, Togo Ikegami, Masamune Sato (Niigata Univ.) |
(To be available after the conference date) [more] |
|
RCS |
2024-04-26 09:30 |
Hiroshima |
(Primary: On-site, Secondary: Online) |
Performance Comparison of Null-Space Expansion in Low Computation Block Diagonalization-based Multi-User Massive MIMO Yuki Sasaki (Tokyo Univ, of Science), Kabuto Arai (The Univ. of Electro-Communications), Kazuki Maruta (Tokyo Univ, of Science) RCS2024-6 |
This paper proposes a novel precoding weight design that enhances interference suppression performance with low computat... [more] |
RCS2024-6 pp.26-31 |
RCS |
2024-04-26 09:55 |
Hiroshima |
(Primary: On-site, Secondary: Online) |
Performance Improvement by Dimensionality Reduction of Interference Subspace on One-Shot Null-Space Expansion for Massive MIMO Soya Nakamura, Yuki Sasaki, Kazuki Maruta (Tokyo Univ. of Science) RCS2024-7 |
Massive MIMO Null Space Expansion (NSE) is effective multiuser precoding scheme in time-varying channels,taking advantag... [more] |
RCS2024-7 pp.32-37 |
CAS, CS |
2024-03-14 15:10 |
Okinawa |
|
[Special Invited Talk]
Challenges and Future Direction in Message-Passing Demodulation Keigo Takeuchi (TUT) CAS2023-121 CS2023-114 |
Message-passing demodulation is a promising method for demodulation in massive multiple-input multiple-output (MIMO) upl... [more] |
CAS2023-121 CS2023-114 pp.58-63 |
RCS, SR, SRW (Joint) |
2024-03-15 13:00 |
Tokyo |
The University of Tokyo (Hongo Campus), and online (Primary: On-site, Secondary: Online) |
Low Complexity CSI Feedback Method Using Reformer Yuki Saito, Tomoaki Ohtsuki (Keio Univ.) RCS2023-285 |
In Massive MIMO (Multiple-Input Multiple-Output), the feedback overhead of downlink channel state information (CSI) from... [more] |
RCS2023-285 pp.134-139 |
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 |
ED, MW |
2024-01-25 16:20 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
A GaN Power Amplifier Module for 5G Massive MIMO Base-station Applications Satoru Honda, Akio Matsushita, Eri Teranishi, katsuya Kato, Shuichi Sakata, kazuya Yamamoto, Tetsuo Kunii (Mitsubishi Electric) ED2023-70 MW2023-162 |
This report describes a 16W-class GaN power amplifier module prototyped for 5G Massive-MIMO base-station applications. T... [more] |
ED2023-70 MW2023-162 pp.19-22 |
SIP, IT, RCS |
2024-01-18 11:45 |
Miyagi |
(Primary: On-site, Secondary: Online) |
A Study on Massive MIMO Channel Estimation Based on Sparse Bayesian Learning Using Hierarchical Model Kengo Furuta, Takumi Takahashi, Kenta Ito (Osaka Univ.), Shinsuke Ibi (Doshisha Uni.) IT2023-34 SIP2023-67 RCS2023-209 |
Massive multi-input multi-output (MIMO) channels are known to have pseudo-sparsity in the angular (beam) domain, and it ... [more] |
IT2023-34 SIP2023-67 RCS2023-209 pp.25-30 |
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 13:25 |
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 |
MIKA (3rd) |
2023-10-10 15:35 |
Okinawa |
Okinawa Jichikaikan (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Coexistence of Wireless Power Transfer and Communication by Null-Space Expansion Shuma Okita, Yuki Sasaki (Tokyo Univ. of Science), Takahiro Matuda (Tokyo Metropolitan Univ.), Takefumi Hiraguri (NIT), Tomotaka Kimura (Doshisha Univ.), Kazuki Maruta (Tokyo Univ. of Science) |
Wireless power transfer (WPT) is a promising technology to effectively supply energy to a large number of IoT devices.
... [more] |
|
MIKA (3rd) |
2023-10-10 15:35 |
Okinawa |
Okinawa Jichikaikan (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Channel Map Clustering for UAV Base Station Placement Method in Cell-Free Massive MIMO Networks Ryota Nosaka, Takahiro Matsuda (Tokyo Metropolitan Univ.) |
Although a cell-free massive MIMO network can provide users with uniformly good quality of services regardless of their ... [more] |
|
MIKA (3rd) |
2023-10-10 15:35 |
Okinawa |
Okinawa Jichikaikan (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Study on Error Correction Based on Convergence Detection of Posterior LLRs in Gaussian Belief Propagation for Large-Scale MIMO Signal Detection Shinnosuke Taba, Tetsushi Ikegami, Koichi Maki (Meiji Univ) |
[more] |
|
MIKA (3rd) |
2023-10-11 14:30 |
Okinawa |
Okinawa Jichikaikan (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Dimensionality reduction of interference subspace on one-shot null-space expansion for massive MIMO Soya Nakamura, Yuki Sasaki, Maruta Kazuki (Tokyo Univ.Science) |
Massive MIMO Null Space Expansion (NSE) is effective multiuser precoding scheme in time-varying channels,taking advantag... [more] |
|
RCS, SAT (Joint) |
2023-08-31 10:30 |
Nagano |
Naganoken Nokyo Building, and online (Primary: On-site, Secondary: Online) |
Enhancing CSI Feedback in FDD Massive MIMO Systems using Dropout-based Deep Neural Network Junjie Gao, Mondher Bouazizi, Tomoaki Ohtsuki (Keio Univ.), Guan Gui (NJUPT) RCS2023-101 |
Accessing precise downlink channel state information (CSI) is crucial in maximizing the
benefits of frequency division ... [more] |
RCS2023-101 pp.1-4 |
RCS, SAT (Joint) |
2023-08-31 11:20 |
Nagano |
Naganoken Nokyo Building, and online (Primary: On-site, Secondary: Online) |
Null Spatial Expansion for Low-Complexity Block Diagonalization-based Multiuser Massive MIMO Yuki Sasaki, Kazuki Maruta (Tokyo Univ. of Science), Kabuto Arai (UEC) RCS2023-103 |
This paper proposes a new block diagonalization (BD)-based null-space expansion for multiuser Massive MIMO which offers ... [more] |
RCS2023-103 pp.9-14 |
CQ, MIKA (Joint) (2nd) |
2023-08-30 15:00 |
Fukushima |
Tenjin-Misaki Sports Park |
[Poster Presentation]
Deployment of UAV Base Stations Using Channel Database in Cell-Free Massive MIMO Networks Ryota Nosaka, Takahiro Matsuda (Tokyo Metropolitan Univ) |
Although a cell-free massive MIMO network can provide users with uniformly good quality of services regardless of their ... [more] |
|
CQ, MIKA (Joint) (2nd) |
2023-08-31 10:50 |
Fukushima |
Tenjin-Misaki Sports Park |
[Poster Presentation]
Coexistence of Wireless Power Transfer and Communication by Null-Space Expansion Shuma Okita, Yuki Sasaki, Kazuki Maruta (Tokyo Univ. of Science), Takahiro Matuda (Tokyo Metropolitan Univ.), Takefumi Hiraguri (NIT), Tomotaka Kimura (Doshisha Univ.) |
Wireless power transfer (WPT) is a promising technology to effectively supply energy to a large number of IoT devices.
... [more] |
|
RCS |
2023-06-14 09:40 |
Hokkaido |
Hokkaido University, and online (Primary: On-site, Secondary: Online) |
Study on Characteristic Improvement of Direct-Binary Search Leveraged Loose Beam Forming in Massive MIMO Systems Yuta Hayashi, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Takeo Ohgane (Hokkaido Univ.) RCS2023-29 |
In massive MIMO systems, a loose beam forming method is considered to solve the problem of increased computation and ant... [more] |
RCS2023-29 pp.7-12 |