Presentation 2021-03-04
Sum Capacity Maximization-based Power Allocation for Cluster-wise Distributed MU-MIMO
Sijie Xia, Chang Ge, Qiang Chen, Fumiyuki Adachi,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) Cluster-wise distributed multi-user multiple-output multiple-input (MU-MIMO) is a promising solution for improving the transmission quality in the fifth generation (5G) advanced systems. When the clustering is introduced to reduce the huge computational complexity of large-scale MU-MIMO, the inter-cluster-interference (ICI) is produced, thereby reducing the sum capacity. Reasonable power allocation can effectively improve the system capacity while the total transmit power remains unchanged. Therefore, in order to make up for this loss, in this paper, the uplink/downlink power allocation is considered by taking into account the ICI to maximize the sum capacity. A new power allocation method is proposed, which is to maximize the sum capacity of the system under the cluster-wise total power constraint and cell-wise total power constraint, respectively, while satisfying the minimum user capacity requirement. Then, by computer simulation, the proposed method is compared to the user-wise equal power allocation method in terms of the achievable sum capacity.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) ClusteringDistributed MU-MIMOPower allocation5G advanced
Paper # RCS2020-228
Date of Issue 2021-02-24 (RCS)

Conference Information
Committee RCS / SR / SRW
Conference Date 2021/3/3(3days)
Place (in Japanese) (See Japanese page)
Place (in English) Online
Topics (in Japanese) (See Japanese page)
Topics (in English) Mobile Communication Workshop
Chair Eiji Okamoto(Nagoya Inst. of Tech.) / Masayuki Ariyoshi(NEC) / Satoshi Denno(Okayama Univ.)
Vice Chair Fumiaki Maehara(Waseda Univ.) / Toshihiko Nishimura(Hokkaido Univ.) / Tomoya Tandai(Toshiba) / Suguru Kameda(Tohoku Univ.) / Osamu Takyu(Shinshu Univ.) / Kentaro Ishidu(NICT) / Keiichi Mizutani(Kyoto Univ.) / Kentaro Saito(Tokyo Inst. of Tech.) / Hanako Noda(Anritsu)
Secretary Fumiaki Maehara(Kyushu Univ.) / Toshihiko Nishimura(NEC) / Tomoya Tandai(ATR) / Suguru Kameda(Univ. of Electro-Comm.) / Osamu Takyu(Mie Univ.) / Kentaro Ishidu(NTT) / Keiichi Mizutani(NIigata Univ.) / Kentaro Saito / Hanako Noda
Assistant Koichi Adachi(Univ. of Electro-Comm.) / Osamu Nakamura(Sharp) / Manabu Sakai(Mitsubishi Electric) / Masashi Iwabuchi(NTT) / Tatsuki Okuyama(NTT DOCOMO) / Mai Ohta(Fukuoka Univ.) / Teppei Oyama(Fujitsu Lab.) / Kentaro Kobayashi(Nagoya Univ.) / Masaaki Fuse(Anritsu) / Akihito Noda(Nanzan Univ.)

Paper Information
Registration To Technical Committee on Radio Communication Systems / Technical Committee on Smart Radio / Technical Committee on Short Range Wireless Communications
Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Sum Capacity Maximization-based Power Allocation for Cluster-wise Distributed MU-MIMO
Sub Title (in English)
Keyword(1) ClusteringDistributed MU-MIMOPower allocation5G advanced
1st Author's Name Sijie Xia
1st Author's Affiliation Tohoku University(Tohoku Univ.)
2nd Author's Name Chang Ge
2nd Author's Affiliation Tohoku University(Tohoku Univ.)
3rd Author's Name Qiang Chen
3rd Author's Affiliation Tohoku University(Tohoku Univ.)
4th Author's Name Fumiyuki Adachi
4th Author's Affiliation Tohoku University(Tohoku Univ.)
Date 2021-03-04
Paper # RCS2020-228
Volume (vol) vol.120
Number (no) RCS-404
Page pp.pp.130-134(RCS),
#Pages 5
Date of Issue 2021-02-24 (RCS)