MMP-GAMP recovers full CSI for reconfigurable pixel antennas from rank-deficient pilots by sparse recovery in the angular domain after MMP initialization.
Compact pattern reconfigurable pixel an- tenna with diagonal pixel connections,
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Sparse Channel Estimation for Pixel Antennas: Addressing the Pilot Rank Deficiency
MMP-GAMP recovers full CSI for reconfigurable pixel antennas from rank-deficient pilots by sparse recovery in the angular domain after MMP initialization.