Capacity-Fairness Tradeoff for Optimal Power Allocation in Cluster-wise MU-MIMO System

被引：0
|
作者：
Xia, Sijie [1 ]
Ge, Chang [1 ]
Chen, Qiang [1 ,2 ]
Adachi, Fumiyuki [2 ]
机构：
[1] Tohoku Univ, Grad Sch Engn, Dept Commun Engn, 6-6-05 Aza Aoba,Aoba Ku, Sendai, Miyagi 9808579, Japan
[2] Tohoku Univ, Int Res Inst Disaster Sci, 468-1 Aoba,Aoba Ku, Sendai, Miyagi 9808572, Japan
来源：
2022 IEEE VTS ASIA PACIFIC WIRELESS COMMUNICATIONS SYMPOSIUM, APWCS | 2022年
关键词：
Beyond; 5G; Distributed antenna system; MU-MIMO; User-clustering; Power allocation;
D O I：
10.1109/APWCS55727.2022.9906515
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The cluster-wise multi-user multi-input multi-output (MU-MIMO), division of the ultra-dense network in the beyond fifth-generation (B5G) system into several small-scale MU-MIMO, is an effective way to reduce the computational complexity of the system operations. Reasonable power allocation is excepted for the improvement of system performance by adjusting the inter-cluster-interference. In this paper, we consider an optimal power allocation (OPA) method to realize the flexible tradeoff between sum capacity maximization and user fairness maximization while guaranteeing the minimum user capacity under the total transmit power constraint to meet the needs of different application scenarios. The simulation results verify that the proposed OPA method can effectively adjust the tradeoff between sum capacity and user fairness.
引用
收藏
页码：16 / 20
页数：5
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