STAR-RIS-Assisted Full-Duplex Symbiotic Radio

被引：1
|
作者：
Wu, Mingjiang [1 ]
Lei, Xianfu [1 ]
da Costa, Daniel Benevides [2 ]
机构：
[1] Southwest Jiaotong Univ, Prov Key Lab Informat Coding & Transmiss, Chengdu 610031, Peoples R China
[2] King Fahd Univ Petr & Minerals, Dept Elect Engn, Dhahran 31261, Saudi Arabia
来源：
IEEE WIRELESS COMMUNICATIONS LETTERS | 2024年 / 13卷 / 11期
基金：
中国国家自然科学基金;
关键词：
Downlink; Signal to noise ratio; Array signal processing; Symbols; Symbiosis; Internet of Things; Distortion; Full duplex; reconfigurable intelligent surface; simultaneous transmission and reflection; symbiotic radio; MIMO; COMMUNICATION; HARDWARE; NETWORKS;
D O I：
10.1109/LWC.2024.3396570
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A novel simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS)-assisted full-duplex symbiotic radio (SR) communication paradigm is conceived in this letter. The transmission functionality of the STAR-RIS is used to enhance the downlink transmission, while the reflection functionality is adopted to transmit Internet-of-Things (IoT) data to the full-duplex base station (BS). Compared to the typical RIS-assisted SR, the proposed SR has lower receiver complexity and higher IoT transmission rate. The weighted sum-rate of the downlink users is maximized via jointly optimizing the beamforming coefficients at the BS and the STAR-RIS. Simulation results confirm the effectiveness of the proposed SR system and reveal the performance trade-off between the downlink and IoT transmissions.
引用
收藏
页码：2945 / 2949
页数：5
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