Communication and Sensing Technologies Based on Information Metamaterials and Reconfigurable Intelligent Surface Towards 6 G
At present,information metamaterials and Reconfigurable Intelligent Surface(RIS)have received widespread attention from the industry and academia worldwide,and have important opportunities and application prospects in the 5G and future 6G net-works.In response to the requirements of communication and sensing to the information metamaterials and RIS in the 6G era,this article analyzes and elaborates on the communication and sensing theories,basic algorithms,and system designs based on the information meta-materials and RIS,and looks forward to their further developments.