移动通信2025，Vol.49Issue(11)：55-61,71,8.DOI:10.3969/j.issn.1006-1010.20250923-0002
有源RIS赋能的共生无线通信技术
Active Reconfigurable Intelligent Surface-Enabled Symbiotic Wireless Communications
摘要
Abstract
Reconfigurable intelligent surface(RIS)-enabled symbiotic wireless communication emerges as a promising technology for spectral and energy efficiency enhancement,yet conventional passive RIS passively reflects signals with limited gain.Active RIS achieves higher gain through active signal amplification.This paper introduces active RIS into symbiotic wireless communications,proposing a joint cooperative modulation and beamforming design scheme that maximizes the minimum Euclidean distance of combined signals at the receiver through cooperative optimization of primary system transmit beamforming and active RIS modulation.An iterative optimization algorithm based on semidefinite relaxation and successive convex approximation is developed.Simulations demonstrate that active RIS significantly outperforms passive RIS in overall system symbol error rate performance.关键词
共生无线通信/有源可重构智能表面/协作调制/波束赋形Key words
symbiotic wireless communication/active reconfigurable intelligent surface/cooperative modulation/beamforming分类
信息技术与安全科学引用本文复制引用
周虎,王俊,龙睿哲,梁应敞..有源RIS赋能的共生无线通信技术[J].移动通信,2025,49(11):55-61,71,8.基金项目
国家自然科学基金区域创新发展联合基金重点支持项目"面向电网监测的高可靠多天线共生无线通信理论与技术"(U24A20210) （U24A20210）
高等学校学科创新引智计划资助项目(B20064) （B20064）
国家自然科学基金"面向无源物联网的共生通信高效接入理论与技术研究"(62501120) （62501120）
中国博士后科学基金会"零功耗共生通信高效接入理论与方法","面向大规模物联网的零功耗共生通信接入理论与方法研究"(GZC20252303,2025M773495) （GZC20252303,2025M773495）
国家科技重大专项(2025ZD1301300) （2025ZD1301300）
国家自然科学基金"主动式RIS赋能频谱共享系统资源配置理论与方法研究"(62301132) （62301132）
