戴老师论文阅读：Spatially Common Sparsity Based Adaptive ChannelEstimation and Feedback for FDD Massive MIMO

Spatially Common Sparsity Based Adaptive Channel Estimation and Feedback for FDD Massive MIMO

2015.12

研究方向不同，没有再继续看

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FDD系统

基于CS算法

非正交导频

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 BS发出，UE收到，feedback到BS，feedback只看作AWGN信道，v是综合噪声，h是角度域的，A是转换矩阵。p个feedback pilot，t时隙，q发送时的子载波