Fairness-Aware Harvested Energy Efficiency Algorithm for IRS-Aided Intelligent Sensor Networks with SWIPT  

作　　者：Yingying Chen Weiqiang Tan Shidang Li 

机构地区：[1]School of Geography,Geomatics and Planning,Jiangsu Normal University,Xuzhou,221116,China [2]School of Computer Science and Cyber Engineering,Guangzhou University,Guangzhou,510006,China [3]School of Physics and Electronic Engineering,Jiangsu Normal University,Xuzhou,221116,China

出　　处：《Computer Modeling in Engineering & Sciences》2023年第12期2675-2691,共17页工程与科学中的计算机建模（英文）

基　　金：This work was supported in part by the Priority Academic Program Development of Jiangsu Higher Education,the National Natural Science Foundation of China under Grant No.62171119;the Key Research and Development Plan ofXuzhou underGrant Nos.KC20027,KC18079;in part by the Joint Research Fund for Guangzhou University and Hong Kong University of Science and Technology under Grant No.YH202203;the Guangzhou Basic Research Program Municipal School(College)Joint Funding Project.

摘　　要：In this paper,a novel fairness-aware harvested energy efficiency-based green transmission scheme for wireless information and power transfer(SWIPT)aided sensor networks is developed for active beamforming of multiantenna transmitter and passive beamforming at intelligent reflecting surfaces(IRS).By optimizing the active beamformer assignment at the transmitter in conjunction with the passive beamformer assignment at the IRS,we aimtomaximize the minimumharvested energy efficiency among all the energy receivers(ER)where information receivers(IR)are bound to the signal-interference-noise-ratio(SINR)and the maximum transmitted power of the transmitter.To handle the non-convex problem,both semi-definite relaxation(SDR)and block coordinate descent technologies are exploited.Then,the original problem is transformed into two convex sub-problems which can be solved via semidefinite programming.Numerical simulation results demonstrate that the IRS and energy beamformer settings in this paper provide greater system gain than the traditional experimental setting,thereby improving the fairness-aware harvested energy efficiency of the ER.

关 键 词：SWIPT intelligent reflecting surfaces fairness-aware harvested energy efficiency semi-definite relaxati 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置] TP3[自动化与计算机技术—控制科学与工程]