Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
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.) |
(To be available after the conference date) [more] |
|
AP |
2023-08-31 13:25 |
Tokyo |
KOZO KEIKAKU ENGINEERING Inc. (Primary: On-site, Secondary: Online) |
2-layer Joint Interference Coordination for A Cellular System with Cluster-wise Distributed MU-MIMO Chang Ge, Sijie Xia, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) AP2023-70 |
In a cellular system with distributed MU-MIMO, virtual small cells (called the user-clusters) are formed to reduce the h... [more] |
AP2023-70 pp.21-24 |
SeMI, RCS, RCC, NS, SR (Joint) |
2023-07-12 10:25 |
Osaka |
Osaka University Nakanoshima Center + Online (Primary: On-site, Secondary: Online) |
A Study on MLD Considering Inter-cluster Interference for Distributed Antenna Systems Using Quantum Computing Keishi Hanakago, Ryo Takahashi, Takahiro Ohyama (PSNRD), Fumiyuki Adachi (Tohoku Univ.) RCS2023-80 |
[more] |
RCS2023-80 pp.7-12 |
RCS, SR, SRW (Joint) |
2023-03-01 13:25 |
Tokyo |
Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
Interference Coordination in A Cellular Distributed MU-MIMO System
-- Intra-cell Interference Coordination -- Ryo Takahashi, Hidenori Matsuo, Fumiyuki Adachi (Tohoku Univ.) RCS2022-256 |
Cellular distributed multiuser MIMO (MU-MIMO) is a cellular system in which a wide communication service area is divided... [more] |
RCS2022-256 pp.54-59 |
RCS, SR, SRW (Joint) |
2023-03-01 13:50 |
Tokyo |
Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
Interference Coordination in A Cellular Distributed MU-MIMO System
-- Integrated Intra-cell/Inter-cell Interference Coordination -- Hidenori Matsuo, Ryo Takahashi, Fumiyuki Adachi (Tohoku Univ.) RCS2022-257 |
A cellular distributed multi-user MIMO (MU-MIMO) divides a wide communication service area into multiple base station ce... [more] |
RCS2022-257 pp.60-65 |
RCS, SR, SRW (Joint) |
2023-03-01 14:15 |
Tokyo |
Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
A Joint Interference Coordination based on Graph Coloring Algorithm and Deep Reinforcement Learning for Cluster-wise Distributed MU-MIMO Chang Ge, Sijie Xia, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) RCS2022-258 |
In our previous studies, we proposed a 2-layer IC framework based on O-RAN architecture for a cellular system with clust... [more] |
RCS2022-258 pp.66-71 |
RCS, NS (Joint) |
2022-12-15 11:40 |
Aichi |
Nagoya Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
Evaluation of MMSE Postcoding Schemes for Reducing Inter-cluster-interference in A Cellular Distributed MU-MIMO System Ryo Takahashi, Hidenori Matsuo, Fumiyuki Adachi (Tohoku Univ.) RCS2022-189 |
Cellular distributed multi-user MIMO (MU-MIMO) is a system in which a large number of distributed antennas deployed over... [more] |
RCS2022-189 pp.25-30 |
RCS, NS (Joint) |
2022-12-16 09:30 |
Aichi |
Nagoya Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
Convergence analysis of Interference-Aware Channel Segregation based Multiple Channel Assignment Katsuhiro Temma, Kenichi Takizawa (NICT), Hidenori Matsuo, Fumiyuki Adachi (Tohoku Univ.) RCS2022-198 |
Our recently proposed interference-aware channel segregation based dynamic channel assignment (IACS-DCA) forms a channel... [more] |
RCS2022-198 pp.69-74 |
RCS, AP, UWT (Joint) |
2022-11-16 09:30 |
Fukuoka |
Kyushu University, and Online (Primary: On-site, Secondary: Online) |
A behavior of user-driven multiuser joint transmit-receive diversity in an asymmetric MIMO fading channel Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2022-163 |
In this paper, we study user-driven multi-user JTRD. In user-driven multi-user JTRD, each user terminal (UE) determines ... [more] |
RCS2022-163 pp.49-54 |
RCS, AP, UWT (Joint) |
2022-11-17 09:55 |
Fukuoka |
Kyushu University, and Online (Primary: On-site, Secondary: Online) |
A Study of Optimal Perturbation Vector Search Using Quantum Computing in Vector Perturbation Introducing Symmetry when Using MMSE Norms Keishi Hanakago, Ryo Takahashi, Takahiro Ohyama (PSNRD), Fumiyuki Adachi (Tohoku Univ.) RCS2022-175 |
VP (Vector Perturbation) is a nonlinear precoding for MU-MIMO (Multi-User Multi-Input Multi-Output). It is known that fu... [more] |
RCS2022-175 pp.118-123 |
RCS |
2022-10-28 10:15 |
Ehime |
Ehime University, and online (Primary: On-site, Secondary: Online) |
A Study on Interference Suppression ZF-based MU-MIMO for Cluster-Centric Cell-Free Massive MIMO Systems Sijie Xia, Chang Ge, Ryo Takahashi, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) RCS2022-144 |
Cell-free massive multi-input multi-output (CF-mMIMO), which is recently under extensive study, is considered to be an e... [more] |
RCS2022-144 pp.77-82 |
SAT, RCS (Joint) |
2022-08-25 11:15 |
Hokkaido |
(Primary: On-site, Secondary: Online) |
Channel Segregation and Multi-Subband Assignment for Inter-Cell Interference Coordination in Ultra-dense RAN Hidenori Matsuo, Ryo Takahashi, Fumiyuki Adachi (Tohoku Univ.) RCS2022-100 |
Ultra-high-density radio access network (RAN) with many distributed antennas in a base station area (cell) are considere... [more] |
RCS2022-100 pp.18-23 |
SAT, RCS (Joint) |
2022-08-25 11:40 |
Hokkaido |
(Primary: On-site, Secondary: Online) |
A Study on Computational Complexity Reduction of Pre/Postcoding in User-Cluster-Centric CF-mMIMO Ryo Takahashi, Hidenori Matsuo, Sijie Xia, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) RCS2022-101 |
Cell-Free massive MIMO (CF-mMIMO), which cooperatively utilizes a large number of antennas deployed over a wide communic... [more] |
RCS2022-101 pp.24-29 |
SAT, RCS (Joint) |
2022-08-25 12:05 |
Hokkaido |
(Primary: On-site, Secondary: Online) |
A study on user-driven suboptimal joint transmit-receive diversity Fumiyuki Adachi, Ryo Takahashi (Tohoku Univ.) RCS2022-102 |
In user-driven suboptimal joint transmit-receive diversity (JTRD), firstly the user equipment (UE) determines its divers... [more] |
RCS2022-102 pp.30-35 |
SRW |
2022-08-22 13:50 |
Online |
Online |
[Invited Talk]
Toward Ultra-dense Mobile Communication Systems Fumiyuki Adachi (Tohoku Univ.) SRW2022-14 |
Since the inauguration of the 3rd generation (3G) mobile communication services, the mobile data traffic has been rapidl... [more] |
SRW2022-14 pp.27-32 |
NS, SR, RCS, SeMI, RCC (Joint) |
2022-07-14 11:20 |
Ishikawa |
The Kanazawa Theatre + Online (Primary: On-site, Secondary: Online) |
A Study of Quantum Computing-based Cluster-Layering Method in Distributed Antenna Networks Keishi Hanakago, Ryo Takahashi, Takahiro Ohyama (PSNRD), Fumiyuki Adachi (Tohoku Univ.) RCS2022-82 |
In distributed antenna networks, where a large number of antennas are deployed in a communication service area, distribu... [more] |
RCS2022-82 pp.66-71 |
RCS |
2022-06-15 10:20 |
Okinawa |
University of the Ryukyus, Senbaru Campus and online (Primary: On-site, Secondary: Online) |
A Study on Uplink Postcoding in User-Centric and User-Cluster-Centric CF-mMIMO Ryo Takahashi, Hidenori Matsuo, Sijie Xia, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) RCS2022-26 |
Cell-Free massive MIMO (CF-mMIMO), which cooperatively utilizes a large number of antennas deployed over a wide communic... [more] |
RCS2022-26 pp.13-18 |
IN, RCS, NV (Joint) |
2022-05-26 09:55 |
Kanagawa |
Keio University (Hiyoshi Campus) (Primary: On-site, Secondary: Online) |
Incorporation of MU-MIMO Technology into User-centric Cell-Free mMIMO System Sijie Xia, Chang Ge, Ryo Takahashi, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) RCS2022-14 |
Recently, cell-free massive multiple-input-multiple-output (CF-mMIMO) system has been attracting a great attention. CF-m... [more] |
RCS2022-14 pp.7-12 |
RCS |
2022-04-22 10:55 |
Osaka |
Osaka University, and online (Primary: On-site, Secondary: Online) |
Capacity-Fairness Tradeoff-aware Optimal Power Allocation for Cluster-wise Distributed MU-MIMO System Sijie Xia, Chang Ge, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) RCS2022-7 |
According to the ever-increasing mobile data traffic, ultra-dense distributed antenna system is recommended to support t... [more] |
RCS2022-7 pp.30-34 |
RCS, SR, SRW (Joint) |
2022-03-02 15:20 |
Online |
Online |
Cellular Distributed MU-MIMO Communication System
-- Architecture Design and Interference Countermeasure -- Fumiyuki Adachi, Ryo Takahashi, Hidenori Matsuo, Sijie Xia, Chang Ge, Qiang Chen (Tohoku U.) RCS2021-269 |
In ultra-dense mobile radio communication systems, severe co-channel interference is produced by reusing the same radio ... [more] |
RCS2021-269 pp.96-101 |