东华大学学报（英文版）2026，Vol.43Issue(1)：59-67,9.DOI:10.19884/j.1672-5220.202412004
混合主动/被动智能反射面辅助的SWIPT系统吞吐量最大化
Throughput Maximization of Hybrid Active/Passive IRS-Assisted SWIPT System
摘要
Abstract
The integration of the intelligent reflecting surface(IRS)with simultaneous wireless information and power transfer(SWIPT)has emerged as a cost-effective and efficient solution to enhance the performance of information and energy transfer.In this research,a hybrid active/passive IRS-assisted SWIPT system is proposed.Specifically,an active IRS(AIRS)and a passive IRS(PIRS)are deployed in the SWIPT system to facilitate a multiantenna base station(BS)in simultaneously delivering information and energy to multiple information users(IUs)and energy users(EUs).The objective is to maximize the sum throughput by jointly optimizing the transmitter beamforming and the reflection coefficient matrices of the AIRS and the PIRS while satisfying the transmitter power constraints,the energy harvesting(EH)requirements of EUs,and the AIRS amplification power limitations.However,the optimization variables are highly coupled and cannot be solved directly.To tackle this complex problem,we propose an efficient algorithm based on alternating optimization(AO)and semi-definite relaxation(SDR)techniques to obtain high-quality solutions.Simulation results demonstrate that the hybrid active/passive IRS-assisted SWIPT system significantly enhances throughput performance and outperforms benchmark systems.关键词
同步无线信息和能量传输(SWIPT)/智能反射面(IRS)/混合主动/被动IRS/吞吐量优化Key words
simultaneous wireless information and power transfer(SWIPT)/intelligent reflecting surface(IRS)/hybrid active/passive IRS/throughput optimization分类
信息技术与安全科学引用本文复制引用
贺莹彤,吴贇..混合主动/被动智能反射面辅助的SWIPT系统吞吐量最大化[J].东华大学学报（英文版）,2026,43(1):59-67,9.基金项目
National Natural Science Foundation of China(No.62301141) （No.62301141）
