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20142026
most citedSpatially Common Sparsity Based Adaptive Channel Estimation and Feedback for FDD Massive MIMO

528 citations · 3.2k across the 54 of their papers we have counts for

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cs.IT2017★ 118 cited

Channel Feedback Based on AoD-Adaptive Subspace Codebook in FDD Massive MIMO Systems

Wenqian Shen, Linglong Dai, Byonghyo Shim +2

Channel feedback is essential in frequency division duplexing (FDD) massive multiple-input multiple-output (MIMO) systems. Unfortunately, previous work on multiuser MIMO has shown…