Reconfigurable Intelligent Surface-Aided Single-Carrier Frequency-Domain Equalization

被引：0

作者：

Li, Qiang ^{[1
]}

Wen, Miaowen ^{[2
]}

Huang, Yu ^{[3
]}

Wen, Jinming ^{[1
]}

Li, Jun ^{[3
]}

Basar, Ertugrul ^{[4
]}

机构：

[1] Jinan Univ, Coll Informat Sci & Technol, Guangzhou 510632, Peoples R China

[2] South China Univ Technol, Sch Elect & Informat Engn, Guangzhou 510640, Peoples R China

[3] Guangzhou Univ, Sch Elect & Commun Engn, Guangzhou 510006, Peoples R China

[4] Koc Univ, Dept Elect & Elect Engn, TR-34450 Istanbul, Turkiye

来源：

IEEE CONFERENCE ON GLOBAL COMMUNICATIONS, GLOBECOM | 2023年

基金：

中国国家自然科学基金;

关键词：

Single-Carrier Frequency-Domain Equalization; reconfigurable intelligent surface; beamforming design; minorization-maximization; REFLECTING SURFACE; CHANNEL ESTIMATION; OPTIMIZATION; MODULATION; MIMO;

D O I：

10.1109/GLOBECOM54140.2023.10436787

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：

In this paper, we employ a reconfigurable intelligent surface (RIS) to boost the single-carrier frequency-domain equalization (SC-FDE) transmission for both single- and multi-antenna broadband wireless communications. Different from the existing RIS-SC-FDE schemes that use an RIS to harvest cyclic delay diversity with a limited beamforming gain, our advanced schemes unlock the potential of the RIS in passive beamforming to maximize the receive signal-to-noise ratio. Concerning the high complexity issue, a low-complexity minorization-maximization (MM) method, which leads to a closed-form solution in each iteration, is developed for the RIS beamforming optimization problem. Finally, simulation results show that the proposed RIS-SC-FDE with the MM-based beamforming significantly outperforms the existing counterparts in terms of bit error rate.

引用

页码：2505 / 2510

页数：6

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