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 Results 1 - 20 of 49  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
CPSY, IPSJ-ARC, IPSJ-HPC 2023-12-05
16:15
Okinawa Okinawa Industry Support Center
(Primary: On-site, Secondary: Online)
Implementation of a mixed cluster system using Android OS and Linux OS
Yusaku Terashima, Kanemitsu Ootsu, Takashi Yokota (Utsunomiya Univ.) CPSY2023-30
In recent years, mobile devices such as smartphones and tablets have become significantly more powerful. We are developi... [more] CPSY2023-30
pp.19-24
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.) RCS2023-148
Cellular distributed multiuser MIMO (MU-MIMO) is a cellular system in which a wide communication service area is divided... [more] RCS2023-148
pp.90-95
RCS 2023-10-20
15:40
Kagawa Kagawa University (Saiwai-cho Campus), and online
(Primary: On-site, Secondary: Online)
Investigations on Low-Complexity User-Specific TRP Selection Method in Downlink Distributed MIMO with Channel Estimation Errors
Hiroki Kato, Takanori Hara, Kenichi Higuchi (TUS) RCS2023-149
In this paper, we propose a computationally-efficient method for user equipment (UE)-specific transmission reception poi... [more] RCS2023-149
pp.96-101
CPSY, DC, IPSJ-ARC [detail] 2023-08-04
14:05
Hokkaido Hakodate Arena
(Primary: On-site, Secondary: Online)
Development of computer cluster system based on Web technologies
Soki Imaizumi, Kanemitsu Ootsu, Takashi Yokota (Utsunomiya Univ.) CPSY2023-20 DC2023-20
Currently, with the development of Web technology, Web applications with functions equivalent to native OS applications ... [more] CPSY2023-20 DC2023-20
pp.72-77
RCS 2023-06-15
10:50
Hokkaido Hokkaido University, and online
(Primary: On-site, Secondary: Online)
Investigations on Low-Complexity User-Specific TRP Selection Method in Downlink Distributed MIMO with Regularized ZF-Based Beamforming
Hiroki Kato, Takanori Hara (Tokyo Univ. of Science), Satoshi Suyama, Satoshi Nagata (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2023-54
In this paper, we propose a computationally-efficient method for user equipment (UE)-specific transmission reception poi... [more] RCS2023-54
pp.153-160
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 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
11:40
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
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, 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
AP, RCS
(Joint)
2021-11-11
09:55
Nagasaki NBC-Bekkan (Nagasaki)
(Primary: On-site, Secondary: Online)
On Power Allocation Strategy for Realistic Cellular Structured Cluster-wise Distributed MU-MIMO System
Sijie Xia, Chang Ge, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) RCS2021-157
With the demanding of higher capacity and higher data rate services in 5G-advanced systems, distributed multi-user multi... [more] RCS2021-157
pp.75-79
RCS, SR, SRW
(Joint)
2021-03-04
09:50
Online Online Sum Capacity Maximization-based Power Allocation for Cluster-wise Distributed MU-MIMO
Sijie Xia, Chang Ge, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) RCS2020-228
Cluster-wise distributed multi-user multiple-output multiple-input (MU-MIMO) is a promising solution for improving the t... [more] RCS2020-228
pp.130-134
RCS, SR, SRW
(Joint)
2021-03-04
10:30
Online Online 2-step RCN-GCA for Interference Coordination for Multicell Distributed MU-MIMO in Ultra-dense RAN
Chang GE, Sijie Xia, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) RCS2020-229
In our recently study, we proposed a restricted color number-based graph coloring algorithm (RCN-GCA) for interference c... [more] RCS2020-229
pp.135-140
IN, RCS, NV
(Joint)
2020-05-21
10:25
Online Online A Study on Cluster-wise User-antenna Association in 5G Advanced Ultra-dense RAN
Sijie Xia, Chang Ge, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) RCS2020-11
Ultra-dense radio access network (RAN) consisting a large number of distributed antennas and user terminals is able to i... [more] RCS2020-11
pp.7-12
RCS, SR, SRW
(Joint)
2020-03-04
10:00
Tokyo Tokyo Institute of Technology
(Cancelled but technical report was issued)
Joint Multilayered User Clustering and Scheduling for Ultra-dense RAN in 5G Advanced Systems
Ryo Takahashi, Hidenori Matsuo, Fumiyuki Adachi (Tohoku Univ.) RCS2019-323
Ultra-dense radio access network (RAN) consisting of a large number of distributed antennas can improve the coverage and... [more] RCS2019-323
pp.19-24
RCS, SR, SRW
(Joint)
2020-03-04
10:35
Tokyo Tokyo Institute of Technology
(Cancelled but technical report was issued)
K-Means Clustering and Multi-user Zero-Forcing for Ultra-dense RAN in 5G Advanced Systems
Sijie Xia, Chang Ge, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) RCS2019-324
Ultra-dense radio access network (RAN) consisting of a large number of distributed antennas is considered to be able to ... [more] RCS2019-324
pp.25-30
MIKA
(2nd)
2019-10-04
10:15
Hokkaido Hokkaido Univ. [Poster Presentation] Wireless System Planning Method Based on Wireless Environment and User Distribution
Toshiro Nakahira, Hirantha Abeysekera, Koichi Ishihara, Takatsune Moriyama, Daisuke Goto, Yasushi Takatori (NTT)
By using a wireless backhaul or a mesh network between access points and installing access points on drones or robots, i... [more]
RCS, SR, SRW
(Joint)
2019-03-08
13:45
Kanagawa YRP Distributed MIMO Cooperative Transmission Technique and Its Performance
Fumiyuki Adachi, Amnart Boonkajay, Tomoyuki Saito, Yuta Seki (Tohoku Univ.) RCS2018-326
This paper presents a comprehensive introduction of the distributed MIMO cooperative transmission technique which has be... [more] RCS2018-326
pp.225-230
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