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IEEE/ICACT20230157 Slide.04
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Here is the system model£¬In this paper, time division duplex (TDD) mode is considered. Thus, uplink and downlink channels become reciprocal.RIS is equipped with N reflecting elements, BS has Nr receiving antennas, and there exist K single antenna users. hD represents the channel matrix of UE-BS£¬h denotes the channel matrix of UE-RIS,hB is the channel matrix of RIS-BS. | |
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