Weighted Sum-Rate Maximization for Multi-IRS Aided Cooperative Transmission

被引：78

作者：

Li, Zhengfeng ^{[1
]}

Hua, Meng ^{[2
]}

Wang, Qingxia ^{[1
]}

Song, Qingheng ^{[1
]}

机构：

[1] Huaihua Univ, Sch Elect & Informat Engn, Huaihua 418000, Peoples R China

[2] Southeast Univ, Sch Informat Sci & Engn, Nanjing 210096, Peoples R China

来源：

IEEE WIRELESS COMMUNICATIONS LETTERS | 2020年 / 9卷 / 10期

关键词：

Array signal processing; Optimized production technology; Manifolds; Data communication; Throughput; Wireless networks; Intelligent reflecting surface; phase shift optimization; Lagrangian method; Riemannian manifold; INTELLIGENT REFLECTING SURFACE; BEAMFORMING OPTIMIZATION; WIRELESS NETWORK;

D O I：

10.1109/LWC.2020.2999356

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This letter investigates multiple intelligent reflecting surfaces (IRSs) aided wireless network, where the IRSs are deployed to cooperatively assist communications between a multi-antenna base station (BS) and the multiple single-antenna cell-edge users. We aim at maximizing the weighted sum rate of all the cell-edge users by jointly optimizing the BS's transmit beamforming and IRS's phase shifts. Especially, the beamforming is optimally obtained based on the Lagrangian method, and the phase shifts are obtained based on the Riemannian manifold conjugate gradient (RMCG) method. Numerical results show that a significant gain is improved with the aid of IRSs.

引用

页码：1620 / 1624

页数：5

共 23 条

[1] Transmit MIMO Radar Beampattern Design via Optimization on the Complex Circle Manifold [J].

Alhujaili, Khaled ;

Monga, Vishal ;

Rangaswamy, Muralidhar .

IEEE TRANSACTIONS ON SIGNAL PROCESSING, 2019, 67 (13) :3561-3575

[2]

[Anonymous], 2014, Convex Optimiza- tion

[3]

Cao Y., 2019, INTELLIGENT REFLECTI

[4]

Chen J., 2019, CoRR abs/1904.02144

[5] Manifold Optimization Approach for Data Detection in Massive Multiuser MIMO Systems [J].

Chen, Jung-Chieh .

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, 2018, 67 (04) :3652-3657

[6]

Grant M., 2014, CVX MATLAB SOFTWARE

[7] Intelligent Reflecting Surface Assisted Secrecy Communication: Is Artificial Noise Helpful or Not? [J].

Guan, Xinrong ;

Wu, Qingqing ;

Zhang, Rui .

IEEE WIRELESS COMMUNICATIONS LETTERS, 2020, 9 (06) :778-782

[8] Weighted Sum-Rate Maximization for Reconfigurable Intelligent Surface Aided Wireless Networks [J].

Guo, Huayan ;

Liang, Ying-Chang ;

Chen, Jie ;

Larsson, Erik G. .

IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, 2020, 19 (05) :3064-3076

[9]

Hu S, 2018, 2018 IEEE 29TH ANNUAL INTERNATIONAL SYMPOSIUM ON PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS (PIMRC)

[10]

Liu R., 2019, JOINT SYMBOL LEVEL P

← 1 2 3 →