Sparse row-sparse precoding architectures within the WMMSE framework reduce signal weighting operations in MU-MIMO while preserving near-optimal sum rate via a proven low-dimensional subspace property.
An overview of massive MIMO for 5g and 6g,
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Baseband-Efficient WMMSE Precoding: From a Signal Weighting Cost Perspective
Sparse row-sparse precoding architectures within the WMMSE framework reduce signal weighting operations in MU-MIMO while preserving near-optimal sum rate via a proven low-dimensional subspace property.