Dual-Polarized RIS-Based STBC Transmission with Polarization Coupling Analysis  

作　　者：ZHOU Mingyong CHEN Xiangyu TANG Wankai KE Jun Chen JIN Shi CHENG Qiang CUI Tie Jun 

机构地区：[1]National Mobile Communications Research Laboratory,Southeast University,Nanjing 210096,China [2]State Key Laboratory of Millimeter Waves,Southeast University,Nanjing 210096,China

出　　处：《ZTE Communications》2022年第1期63-75,共13页中兴通讯技术（英文版）

基　　金：supported by the National Key Research and Development Program of China (2018YFA0701602, 2017YFA0700201, 2017YFA0700202,2017YFA0700203);the National Natural Science Foundation of China (NSFC) under Grants 61941104, 61921004, 61531011;the Fundamental Research Funds for the Central Universities under Grant 2242022R10062;the Key Research and Development Program of Shandong Province under Grant 2020CXGC010108

摘　　要：The rapid development of the reconfigurable intelligent surface(RIS)technology has given rise to a new paradigm of wireless trans-mitters.At present,most research works on RIS-based transmitters focus on single-polarized RISs.In this paper,we propose a dual-polarized RIS-based transmitter,which realizes 4-transmit space-time block coding(STBC)transmission by properly partitioning RIS’s unit cells and utilizing the degree of freedom of polarization.The proposed scheme is evaluated through a prototype system that utilizes a fabricated dual-polarized phase-adjustable RIS.In particular,the polarization coupling phenomenon in each unit cell of the employed dual-polarized RIS is modeled and analyzed.The experimental results are in good agreement with the theoretical modeling and analysis results,and an initial re-search effort is made on characterizing the polarization coupling property in the dual-polarized RIS.

关 键 词：reconfigurable intelligent surface space-time coding dual polarization coupling modeling PROTOTYPING 

分 类 号：TN929.5[电子电信—通信与信息系统]