Paper Abstract and Keywords |
Presentation |
2022-04-22 10:55
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 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
According to the ever-increasing mobile data traffic, ultra-dense distributed antenna system is recommended to support the 5G-advanced system. To mitigate the prohibitively high computational complexity of ultra-dense network, user-clustering is introduced into distributed multiuser multi-input multi-output (MU-MIMO) system and to perform cluster-wise MU-MIMO communication in parallel. However, user-clustering leads to a capacity degradation due to the inter-cluster-interference. Reasonable power allocation strategy can make up this capacity degradation. In our previous study, a sum capacity maximization-based power allocation strategy was proposed while guaranteeing the minimum user capacity under the total transmit power constraint. The user fairness is also a big issue. In this paper, we propose an optimal power allocation (OPA) method which can flexibly tradeoff the sum capacity and the user fairness while guaranteeing the minimum user capacity under the total transmit power constraint. Moreover, we utilize the weighted sum method which integrates two objectives into one. The simulation results show that the proposed power allocation can effectively control a tradeoff between the sum capacity and the user fairness while guaranteeing the minimum user capacity. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
5G-advanced / ultra-dense network / distributed antenna system / clustering / power allocation / / / |
Reference Info. |
IEICE Tech. Rep., vol. 122, no. 6, RCS2022-7, pp. 30-34, April 2022. |
Paper # |
RCS2022-7 |
Date of Issue |
2022-04-14 (RCS) |
ISSN |
Online edition: ISSN 2432-6380 |
Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) |
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RCS2022-7 |
Conference Information |
Committee |
RCS |
Conference Date |
2022-04-21 - 2022-04-22 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
Osaka University, and online |
Topics (in Japanese) |
(See Japanese page) |
Topics (in English) |
Railroad Communications, Inter-Vehicle Communications, Road to Vehicle Communications, Radio Access Technologies, Wireless Communications, etc. |
Paper Information |
Registration To |
RCS |
Conference Code |
2022-04-RCS |
Language |
English |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Capacity-Fairness Tradeoff-aware Optimal Power Allocation for Cluster-wise Distributed MU-MIMO System |
Sub Title (in English) |
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Keyword(1) |
5G-advanced |
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ultra-dense network |
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distributed antenna system |
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clustering |
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power allocation |
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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 |
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Tohoku University (Tohoku Univ.) |
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Speaker |
Author-1 |
Date Time |
2022-04-22 10:55:00 |
Presentation Time |
25 minutes |
Registration for |
RCS |
Paper # |
RCS2022-7 |
Volume (vol) |
vol.122 |
Number (no) |
no.6 |
Page |
pp.30-34 |
#Pages |
5 |
Date of Issue |
2022-04-14 (RCS) |
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