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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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, 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 |
| AP, WPT (Joint) |
2024-01-17 13:50 |
Niigata | Tokimate, Niigata University (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Outdoor THz Channel Measurement at 300GHz for Ultra-High Data-Rate Wireless Access in An Open Square Minghe Mao, Riku Takahashi, Noa Sato, Minseok Kim (Niigata Univ.) AP2023-162 |
This report details a double-directional angle-resolved wide-band channel measurement campaign conducted in an outdoor e... [more] | AP2023-162 pp.13-18 |
| RCS, SR, SRW (Joint) |
2023-03-01 10:25 |
Tokyo | Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
A Novel DNN-based CSI Feedback with Quantization for FDD Massive MIMO Systems Junjie Gao, Mondher Bouazizi, Tomoaki Ohtsuki (Keio Univ.), Gui Guan (NJUPT) RCS2022-252 |
Accessing the accurate downlink channel state information (CSI) is essential to take full advantage of frequency divis... [more] |
RCS2022-252 pp.31-35 |
| RCS, SR, SRW (Joint) |
2023-03-01 10:50 |
Tokyo | Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
DNN-based Multi-class Classification for CDL Channels Liu Jingyu, Mondher Bouazizi, Tomoaki Ohtsuki (Keio Unvi.) RCS2022-253 |
Transfer learning-based methods for Channel State Information (CSI) feedback can achieve a good CSI reconstruction matri... [more] | RCS2022-253 pp.36-41 |
| RCS, AP, UWT (Joint) |
2022-11-16 09:55 |
Fukuoka | Kyushu University, and Online (Primary: On-site, Secondary: Online) |
Network-Assisted Full-Duplex Millimeter-Wave Cell-Free Massive MIMO with Localization-Aided Inter-User Channel Estimation Shuto Fukue (UEC), Giuseppe Abreu (JUB), Koji Ishibashi (UEC) RCS2022-164 |
We propose a joint resource allocation and beamforming design with location-aided channel estimation to mitigate the int... [more] | RCS2022-164 pp.55-60 |
| MIKA (3rd) |
2022-10-14 10:40 |
Niigata | Niigata Citizens Plaza (Primary: On-site, Secondary: Online) |
[Poster Presentation]
A New CSI Feedback with Quantization Based on Adaptive DNN for FDD Massive MIMO Systems Junjie Gao, Mondher Bouazizi, Tomoaki Ohtsuki (Keio Univ.), Guan Gui (NJUPT) |
Accessing the accurate downlink channel state information (CSI) is essential to take full advantage of frequency divisio... [more] | |
| SAT, RCS (Joint) |
2022-08-25 11:15 |
Hokkaido | (Primary: On-site, Secondary: Online) |
Joint Time-Variant Channel Estimation and Signal Detection for Underwater Acoustic MIMO-OFDM Communications Tianhao Dong, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Tech) RCS2022-103 |
In underwater acoustic (UWA) communications, a combination of orthogonal frequency-division multiplexing (OFDM) and mult... [more] | RCS2022-103 pp.36-41 |
| SAT, RCS (Joint) |
2022-08-26 12:05 |
Hokkaido | (Primary: On-site, Secondary: Online) |
Multi-Agent Deep Q-Learning based Inter-Cell Interference Coordination for Cellular Systems Liu Yuchen, Chang Yuyuan, Fukawa Kazuhiko (Tokyo Tech) RCS2022-119 |
In small cell systems, inter-cell interference (ICI) can severely degrade the overall system capacity. To alleviate ICI,... [more] | RCS2022-119 pp.126-131 |
| RCS | 2022-06-16 14:55 |
Okinawa | University of the Ryukyus, Senbaru Campus and online (Primary: On-site, Secondary: Online) |
A study on model parameters for MIMO signal detection using learned AMP Mari Miyoshi, Toshihiko Nishimura, Takanori Sato, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara (Hokkaido Univ.) RCS2022-50 |
Approximate message passing (AMP) is applicable to massive MIMO signal detection and achieves a high detection performan... [more] | RCS2022-50 pp.156-161 |
| AP, WPT (Joint) |
2022-01-20 13:10 |
Tottori | Kenmin-Fureai-Kaikan (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Estimation of MIMO Channel Capacity in an Indoor Environment Using Ray-Tracing Method Hiroto Yonawa, Hisato Iwai, Shinsuke Ibi (Doshisha Univ.) AP2021-141 |
Multiple-input multiple-output (MIMO) system, which uses multiple transmit and receive antennas, has been studied as a m... [more] | AP2021-141 pp.37-42 |
| AP, WPT (Joint) |
2022-01-20 13:30 |
Tottori | Kenmin-Fureai-Kaikan (Primary: On-site, Secondary: Online) |
[Invited Lecture]
MIMO Channel Capacity Estimation Considering Ray Tracing Analysis and Nakagami-Rice Fading Kengo Shimada, Yutaka Tomizawa, Doppo Sugimura, Mayumi Yoshino (Dengyo) AP2021-142 |
In recent years, with the increase in mobile data traffic, the demand for MIMO (Multiple Input Multiple Output) systems ... [more] | AP2021-142 pp.43-48 |
| AP, WPT (Joint) |
2022-01-20 14:00 |
Tottori | Kenmin-Fureai-Kaikan (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Effect of Indoor Structure and Physical Properties on Channel Capacity Estimation Using Ray Trace Method Tomonori Ikeda, Mitoshi Fujimoto (Fukui Univ.) AP2021-143 |
One of the analysis methods for indoor MIMO communication is the ray tracing method. It is less rigorous than FDTD metho... [more] | AP2021-143 pp.49-52 |
| AP, WPT (Joint) |
2022-01-20 14:40 |
Tottori | Kenmin-Fureai-Kaikan (Primary: On-site, Secondary: Online) |
[Invited Lecture]
MIMO capacity estimation method based on scale model with visible light Ryotaro Taniguchi, Tomoki Murakami, Minoru Inomata, Tomoaki Ogawa, Yasushi Takatori (NTT) AP2021-145 |
As the theme of "MIMO System Capacity Estimation", the 3rd Propagation Modeling Competition will be held in the Technica... [more] | AP2021-145 pp.59-63 |
| RCS, SAT (Joint) |
2021-08-26 16:15 |
Online | Online | BER of LDPC-Coded Single-Carrier LOS-MIMO Using FDE in 3GPP TDL Channel Models Aiki Hara, Kana Aono, Mamoru Sawahashi (Tokyo City Uviv.), Norifumi Kamiya (NEC) RCS2021-107 |
The application of line-of-sight (LOS)-multiple-input multiple-output (MIMO) to the backhaul or fronthaul between a macr... [more] | RCS2021-107 pp.39-44 |
| RCS, SR, SRW (Joint) |
2021-03-05 09:00 |
Online | Online | Adaptive Channel Prediction over Multi-Cluster and Time-Varying Channels for Analog-Digital-Hybrid Massive MIMO Systems Kenta Tsuge, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Tech), Satoshi Suyama, Takahiro Asai (NTT DOCOMO) RCS2020-252 |
For 5G massive MIMO systems, hybrid beamforming (HB), which is composed of the analog beamforming (AB) and the digital b... [more] | RCS2020-252 pp.222-227 |
| IT | 2020-12-03 13:00 |
Online | Online | Approximate Message-Passing in Spatially Coupled Bilinear Inference Problems Yudai Sano, Keigo Takeuchi (TUT) IT2020-52 |
This paper considers joint channel and data estimation in cell-free massive multiple-input multiple-output (MIMO)uplink.... [more] | IT2020-52 pp.148-153 |
| CQ, CS (Joint) |
2020-06-25 09:30 |
Online | Online | Study on behavior estimation using time correlation with MIMO sensor Etsuko Hoshino, Kentaro Nishimori (Niigata Univ.) CQ2020-1 |
In recent years, the society is aging further. And the number of deaths that are lonely deaths have been increasing year... [more] | CQ2020-1 pp.1-5 |
| AP, WPT (Joint) |
2020-01-24 16:35 |
Kagawa | Sunport Hall Takamatsu | A study on Element Arrangement Optimization of Spatial Polarized Massive MIMO and the Effectiveness Takahiro Matsumoto, Kiyoaki Itoi, Hiroaki Nakabayashi (CIT) AP2019-179 |
Currently, various studies of 5G have been studied for introduction in 2020. In 5G, massive MIMO technology has been stu... [more] | AP2019-179 pp.159-164 |
| AP, WPT (Joint) |
2020-01-24 17:00 |
Kagawa | Sunport Hall Takamatsu | A Study on Mean Antenna Gain of Massive MIMO in Line-of-Sight Street Canyon Environment Yuya Tashiro, Eita Utsuki, Kazuki Machida, Hiroaki Nakabayashi (Chiba Inst. of Tech.) AP2019-180 |
In 5th generation mobile communication systems, massive MIMO has been studied as one of the elemental technologies to re... [more] | AP2019-180 pp.165-170 |
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