2022
DOI: 10.48550/arxiv.2201.09618
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Team-Optimal MMSE Combining for Cell-Free Massive MIMO Systems

Abstract: Cell-free (CF) massive multiple-input multipleoutput (MIMO) systems are expected to implement advanced cooperative communication techniques to let geographically distributed access points jointly serve user equipments. Building on the Team Theory, we design the uplink team minimum meansquared error (TMMSE) combining under limited data and flexible channel state information (CSI) sharing. Taking into account the effect of both channel estimation errors and pilot contamination, a minimum MSE problem is formulate… Show more

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