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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SR | 2025-01-31 17:05 |
Kagawa | Sunport Takamatsu (Kagawa, Online) (Primary: On-site, Secondary: Online) |
[Short Paper]
A Study on Improvement of Wireless Quality by Prediction of Phase Difference Variation between APs in Cell-Free Massive MIMO Takahide Murakami, Yu Tsukamoto, Akio Ikami, Hiroyuki Shinbo, Yoshiaki Amano (KDDI Research) |
(To be available after the conference date) [more] | |
| RCS, SIP, IT | 2025-01-29 16:35 |
Yamaguchi | Kaikyou-messe (Yamaguchi, Online) (Primary: On-site, Secondary: Online) |
Iterative Interference Replica Subtraction for Multiuser Massive MIMO Null-Space Expansion Yuta Tsunoda, Takuto Suzuki, Yuki Sasaki, Kazuki Maruta (Tokyo Univ. of Science) |
(To be available after the conference date) [more] | |
| NS, RCS (Joint) |
2024-12-20 09:30 |
Hokkaido | Hakodate Arena + Online (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Joint Estimation Method of User-Activity, Carrier Frequency Offset, and Channel Coefficient for Cell-Free Massive MIMO Ryoji Kanzaki, Kohei Ueda (UEC), Takumi Takahashi (Osaka Univ.), Koji Ishibashi (UEC)  RCS2024-193 |
This paper investigates a joint estimation method for user activity, channel coefficients, and carrier frequency offsets... [more] | RCS2024-193 pp.104-109 |
| NS, RCS (Joint) |
2024-12-20 10:20 |
Hokkaido | Hakodate Arena + Online (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Design of Scalable Network-Assisted Full-Duplex Cell-Free Massive MIMO Based on Energy Efficiency Maximization Yuya Mito, Koushi Okui, Kohei Ueda, Koji Ishibashi (UEC) RCS2024-195 |
This paper presents a joint design method for access point (AP) clustering and beamforming to maximize energy efficiency... [more] | RCS2024-195 pp.117-122 |
| SR | 2024-11-04 13:45 |
Overseas | Fraunhofer IPT (Overseas) | [Poster Presentation]
An Improved Peak Cancellation Scheme for Massive MIMO-OFDM with Uniform Planar Array Mirena Omoto, Zhuoran Li, Osamu Muta (Kyushu Univ.), Kazuki Maruta (Tokyo Univ. of Science) SR2024-50 |
Although massive multi-input multi-output orthogonal frequency division multiplexing (mMIMO-OFDM) has an extra degree of... [more] | SR2024-50 pp.9-10 |
| MIKA (3rd) |
2024-10-28 15:40 |
Okayama | Okayama Convention Center (Okayama) | [Poster Presentation]
Performance Evaluation of Replica Subtractional Low Computational Precoding in Massive MIMO Null Space Expansion Yuta Tsunoda, Takuto Suzuki, Yuki Sasaki, Kazuki Maruta (Tokyo Univ. of Science) |
This paper proposes an improved method for reducing computational complexity by employing the iterative interference rep... [more] | |
| MIKA (3rd) |
2024-10-29 14:35 |
Okayama | Okayama Convention Center (Okayama) | [Poster Presentation]
A Study on Interference Suppression and Pilot Assignment for User-cluster-centric Cell-Free Massive MIMO Systems Sijie Xia, Qiang Chen (Tohoku Univ.), Suguru Kameda (Hiroshima Univ.), Fumiyuki Adachi (Tohoku Univ.) |
Cell-free massive multi-input multi-output (CF-mMIMO), which has recently been under extensive study, is considered an e... [more] | |
| MIKA (3rd) |
2024-10-29 14:35 |
Okayama | Okayama Convention Center (Okayama) | [Poster Presentation]
A Study of Antenna Placement Method in Antenna-Cluster-Centric Cell-Free Large-Scale MIMO Systems Kazuya Ogata, Sijie Xia, Masataka Miyake, Suguru Kameda (Hiroshima Univ.), Fumiyuki Adachi (Tohoku Univ.) |
Cell-free massive multiple-input and multiple-output (CF-mMIMO) has been attracting much attention as a key technology ... [more] | |
| MIKA (3rd) |
2024-10-29 14:35 |
Okayama | Okayama Convention Center (Okayama) | [Poster Presentation]
A Comparative Study on Suppression Mechanism of Self-Noise Propagation in Gaussian Belief Propagation and Expectation Propagation Tomoharu Furudoi, Takumi Takahashi (Osaka Univ.), Shinsuke Ibi (Doshisha Univ.), Hideki Ochiai (Osaka Univ.) |
This presentation comparatively examines the structural differences in the suppression mechanism of self-noise propagati... [more] | |
| RCS | 2024-10-17 16:00 |
Tokyo | (Tokyo, Online) (Primary: On-site, Secondary: Online) |
Evaluation of Transmission Performance of Mid-Band Massive MIMO by Computer Simulation Yuta Hayashi, Dan Mohri, Yuyuan Chang, Satoshi Suyama, Huilling Jiang (NTT DOCOMO) RCS2024-141 |
In the 6th generation mobile communication system (6G), sub-THz wave above 100 GHz is being considered to achieve ultra-... [more] | RCS2024-141 pp.33-38 |
| RCS | 2024-10-17 16:25 |
Tokyo | (Tokyo, Online) (Primary: On-site, Secondary: Online) |
A Study on Suppression of Information Leakage to Potential Eavesdroppers in Network-Assisted Full-Duplex Cell-Free Massive MIMO Systems Koushi Okui (UEC), Kengo Ando, Giuseppe Abreu (CU), Koji Ishibashi (UEC) RCS2024-142 |
This paper investigates the design of clustering and beamforming to suppress unintended information leakage to other us... [more] | RCS2024-142 pp.39-44 |
| IT | 2024-08-07 09:50 |
Okayama | Okayama University, Tsushima campus (Okayama, Online) (Primary: On-site, Secondary: Online) |
LDM-IST: Deep Unfolded Distributed Recovery Algorithm for Multiple Measurement Vector Problem Lantian Wei, Tadashi Wadayama (NITech), Kazunori Hayashi (Kyoto Univ.) IT2024-19 |
In this paper, we introduce the learned distributed multiple measurement vector iterative shrinkage thresholding (LDM-IS... [more] | IT2024-19 pp.30-35 |
| RCC, RCS, SeMI, NS, SR, RISING (Joint) |
2024-07-17 11:00 |
Hokkaido | Hokkaido Citizens Activities Promotion Center (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
[Short Paper]
Experimental Analysis of Temporal Characteristics of Phase Difference among APs for Cell-Free Massive MIMO in User-Centric RAN Takahide Murakami, Yu Tsukamoto, Akio Ikami, Hiroyuki Shinbo, Yoshiaki Amano (KDDI Research) SR2024-26 |
Cell-Free massive MIMO (CF-mMIMO) is gaining attention as a technology that can ensure wireless quality without dependin... [more] | SR2024-26 pp.13-15 |
| RCC, RCS, SeMI, NS, SR, RISING (Joint) |
2024-07-19 16:55 |
Hokkaido | Hokkaido Citizens Activities Promotion Center (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Study on eMBB and URLLC V2X communication using Multi-Beam and Fountain Code
-- V2X simulation considering blockage by other vehicles and construction of multi-path environment with reflectors -- Habu Shintaro, Sakaguchi Kei, Gia Khanh Tran (Tokyo Tech) RCS2024-114 |
There are several strict requirements on V2X communicaiton for fully automated driving, such as high datarate, low laten... [more] | RCS2024-114 pp.144-149 |
| RCS | 2024-06-19 15:25 |
Okinawa | (Okinawa, Online) (Primary: On-site, Secondary: Online) |
Beam Selection Method Based on Horizontal-and-Vertical Angle-Domain Adaptive Beam Grouping for Massive MIMO Analog Beamforming Using NOMA in Cellular Downlink Azusa Matsumoto, Nobuhide Nonaka, Takanori Hara, Kenichi Higuchi (Tokyo Univ. of Science) RCS2024-44 |
This paper investigates a beam selection method for the downlink massive multiple-input multiple-output (mMIMO) analog b... [more] | RCS2024-44 pp.99-105 |
| RCS | 2024-06-20 13:25 |
Okinawa | (Okinawa, Online) (Primary: On-site, Secondary: Online) |
A study of cell configuration method to realize MU-MIMO efficiently using massive antenna at base station Kohei Mitsumoto, Teruya Fujii (Tokyo Tech) RCS2024-60 |
In mobile communications, evaluating the communication capacity of MU-MIMO transmission, where multiple terminals simul... [more] |
RCS2024-60 pp.191-196 |
| RCS | 2024-06-20 16:30 |
Okinawa | (Okinawa, Online) (Primary: On-site, Secondary: Online) |
A Study on Sparse Bayesian Learning Using Complex t-Prior for Beam-domain Channel Estimation in Massive Multi-User MIMO Kengo Furuta, Takumi Takahashi, Hideki Ochiai (Osaka Univ.) RCS2024-67 |
In this paper, we propose a novel beam-domain channel estimation (CE) algorithm based on sparse Bayesian learning (SBL) ... [more] | RCS2024-67 pp.235-240 |
| SRW, MWPTHz | 2024-06-07 13:10 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Tokyo, Online) (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) SRW2024-6 MWPTHz2024-6 |
MIMO (Multiple-Input Multiple-Output) transmission technology enables multiplex communication using multiple transmittin... [more] | SRW2024-6 MWPTHz2024-6 pp.28-33 |
| IN, RCS, NV (Joint) |
2024-05-30 10:00 |
Fukuoka | Fukuoka University (Fukuoka) | Proposal and Evaluation of a Position-aided Coordinated Beamforming by Active Inference Shota Yamada, Tatsuya Otoshi, Masayuki Murata (Osaka Univ.) RCS2024-14 |
In recent years, the use of higher radio frequencies than conventional ones has been advancing to achieve higher capacit... [more] | RCS2024-14 pp.1-6 |
| IN, RCS, NV (Joint) |
2024-05-30 10:25 |
Fukuoka | Fukuoka University (Fukuoka) | Evaluation of ACLR and Beam Detection Characteristics for Fast Beam Steering with Discrete Subcarrier Arrangement Hideya So (SIT), Kazuki Maruta (TUS), Takana Kaho (SIT) RCS2024-15 |
To reduce beam search time, this report proposes a novel beam search scheme using discrete subcarrier placement and fast... [more] | RCS2024-15 pp.7-12 |
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