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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 15 of 15  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
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
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 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 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
AP, RCS
(Joint)
2021-11-11
09:30
Nagasaki NBC-Bekkan (Nagasaki)
(Primary: On-site, Secondary: Online)
Reinforcement Learning-based Graph Coloring Algorithm for Interference Coordination in Distributed MU-MIMO
Ge Chang, Xia Sijie, Chen Qiang, Adachi Fumiyuki (Tohoku Univ.) RCS2021-156
 [more] RCS2021-156
pp.69-74
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, NS, SeMI, RCC
(Joint)
2021-07-14
09:25
Online Online On Cellular Structure for Ultra-dense Distributed Antenna-based 5G-advanced Systems
Sijie Xia, Chang Ge, Ryo Takahashi, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) RCS2021-78
Compared with the traditional cellular structure based on centralized antennas, the distributed antenna-based cellular s... [more] RCS2021-78
pp.7-12
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
IN, RCS, NV
(Joint)
2020-05-21
11:15
Online Online 2-Steps Graph Coloring Algorithm for Interference Coordination in 5G Advanced Ultra-dense RAN
Chang Ge, Sijie Xia, Qiang Chen, Fumiyuki Adachi (Tohoku Univ.) RCS2020-13
he ultra-densification of radio access network (RAN) is considered as a promising approach to improve the coverage and t... [more] RCS2020-13
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
 Results 1 - 15 of 15  /   
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