Optimization of hybrid beamforming for multiuser massive MIMO systems with individual SINR and SLL constraints

被引：1

作者：

Yang, Feng ^{[1
]}

Pei, Guochen ^{[1
]}

Hu, Lingna ^{[2
]}

Zang, Guangda ^{[1
]}

Ding, Lianghui ^{[3
]}

Arai, Shintaro ^{[4
]}

He, Di ^{[5
]}

机构：

[1] Shanghai Jiao Tong Univ, Inst Wireless Commun, Shanghai 200240, Peoples R China

[2] Shanghai Inst Satellite Engn, Shanghai 200240, Peoples R China

[3] Shanghai Jiao Tong Univ, Inst Image Commun & Network Engn, Shanghai 200240, Peoples R China

[4] Okayama Univ Sci, Dept Elect & Elect Engn, Kita Ku, 1-1 Ridai Cho, Okayama 7000005, Japan

[5] Shanghai Jiao Tong Univ, Shanghai Key Lab Nav & Locat Based Serv, Shanghai 200240, Peoples R China

来源：

IEICE COMMUNICATIONS EXPRESS | 2021年 / 10卷 / 01期

基金：

中国国家自然科学基金;

关键词：

sidelobe level; hybrid beamformer; individual SINR; inter-cell interference;

D O I：

10.1587/comex.2020XBL0142

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper considers designing hybrid beamformer (HBF) to enhance communication performance and reduce inter-cell interference for massive MIMO system. The goal is minimizing the transmission power under individual signal-to-interference-plus-noise ratio (SINR) and sidelobe level (SLL) constraints, which is a non-convex optimization problem. To tackle the SLL over continuous intervals, we convert it into a finite number of constraints. Then we give the optimal solution of the problem for different RF chain to user number ratio. Simulation results show proposed algorithm not only effectively reduce inter-cell interference but also exhibits high numerical stability in multiuser massive MIMO system.

引用

页码：24 / 29

页数：6

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