Average Rate Approximation and Maximization for RIS-Assisted Multi-User MISO System
IEEE Wireless Communications Letters(2022)
摘要
In this letter, we investigate a reconfigurable intelligent surface (RIS) assisted downlink multi-user multiple-input single-output (MISO) system. We derive the approximations of average rate of user equipments (UEs) under proper assumptions, and reveal the relations between average rates and system parameters. Furthermore, a RIS configuration algorithm is proposed to improve the average sum rate ...
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关键词
Downlink,MISO communication,Linear antenna arrays,Fading channels,Complexity theory,Array signal processing,Optimization
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