Energy-Efficient Resource Allocation for IRS-Assisted SWIPT-Enabled D2D Communications With Imperfect CSI

被引：0
|
作者：
Chen, Qingsong [1 ]
Zhou, Yinping [1 ]
Xu, Weiyang [1 ]
Wu, Yucheng [1 ]
机构：
[1] Chongqing Univ, Sch Microelect & Commun Engn, Chongqing 400044, Peoples R China
来源：
IEEE COMMUNICATIONS LETTERS | 2024年 / 28卷 / 04期
关键词：
Device-to-device communication; Copper; Optimization; Interference; Communication systems; Signal to noise ratio; Wireless communication; Intelligent reflecting surface; device-to-device communications; simultaneous wireless information and power transfer; channel state information; quadratic transform; ASSIGNMENT;
D O I：
10.1109/LCOMM.2024.3364829
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
This letter investigates a simultaneous wireless information and power transfer (SWIPT)-enabled device-to-device (D2D) communication system, assisted by an intelligent reflecting surface (IRS) with imperfect channel state information (CSI). The primary objective is to optimize the energy efficiency of D2D users. To address the intricate optimization problem, we decompose it into three alternating sub-problems for approximate global optimization. Numerical results demonstrate the superior performance of the proposed algorithm, while also emphasizing the potential performance decline of the IRS random phase shifts algorithm under the influence of CSI errors.
引用
收藏
页码：857 / 861
页数：5
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