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All Technical Committee Conferences (Searched in: All Years)
| 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] | |
| 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 |
| MI | 2023-03-06 09:31 |
Okinawa | OKINAWA SEINENKAIKAN (Primary: On-site, Secondary: Online) |
Recognition of tooth types and conditions in dental panoramic radiographs with object detection and prior knowledge Koki Sakai (Gifu Univ.), Chisako Muramatsu (Shiga Univ.), Yuta Seino (Gifu Univ.), Ryo Takahashi, Tatsuro Hayashi (Media Co., Ltd), Wataru Nishiyama (Asahi Univ.), Xiangrong Zhou, Takeshi Hara (Gifu Univ.), Akitoshi Katsumata (Asahi Univ.), Hiroshi Fujita (Gifu Univ.) MI2022-74 |
(To be available after the conference date) [more] | MI2022-74 pp.5-7 |
| 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, 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, 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 |
| 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, 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 |
| MI | 2022-01-25 16:37 |
Online | Online | [Short Paper]
Recognition of teeth and dental prostheses in dental panoramic radiographs using multi-label detection Takumi Morishita (Gifu Univ.), Chisako Muramatsu (Shiga Univ.), Ryo Takahashi, Tatsuro Hayashi (media), Yuta Seino (Gifu Univ.), Wataru Nishiyama (Asahi Univ.), Xiangrong Zhou, Takeshi Hara (Gifu Univ.), Akitoshi Katsumata (Asahi Univ.), Hiroshi Fujita (Gifu Univ.) MI2021-51 |
The purpose of this study is to analyze dental panoramic radiographs for completing dental files to contribute to the di... [more] | MI2021-51 pp.37-38 |
| RCS, SIP, IT | 2022-01-21 13:30 |
Online | Online | Improved Adaptive Interference/Radio Resource Management for 5G Advanced Ultra-dense RAN Ryo Takahashi, Hidenori Matsuo, Fumiyuki Adachi (Tohoku Univ.) IT2021-77 SIP2021-85 RCS2021-245 |
In order to solve an interference problem in multi-user MIMO (MU-MIMO) systems using distributed antennas, the authors h... [more] | IT2021-77 SIP2021-85 RCS2021-245 pp.276-281 |
| RCS, NS (Joint) |
2021-12-17 11:25 |
Nara | Nara-ken Bunka Kaikan and Online (Primary: On-site, Secondary: Online) |
A Study on User Scheduling for Overloaded Environment in Distributed Antenna Network Using Quantum Computing Keishi Hanakago, Ryo Takahashi, Takahiro Ohyama (PSNRD), Fumiyuki Adachi (Tohoku Univ.) RCS2021-189 |
In a distributed antenna network, a large number of antennas are distributed over a base station coverage area (cell). H... [more] | RCS2021-189 pp.75-80 |
| AP, RCS (Joint) |
2021-11-11 11:45 |
Nagasaki | NBC-Bekkan (Nagasaki) (Primary: On-site, Secondary: Online) |
A recursive solution of joint transmit-receive diversity weight vectors Fumiyuki Adachi, Ryo Takahashi (Tohoku U.) RCS2021-161 |
Optimal joint transmit-receive diversity (JTRD) is a type of multi-input multi-output (MIMO) spatial diversity technique... [more] | RCS2021-161 pp.98-103 |
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