Reconfigurable array thinning via PSO creates flexible sparse arrays for near-field MU-MIMO that suppress grating lobes in angle-range domains and achieve sum-rate performance comparable to movable antennas without physical repositioning.
Exploring frontiers of polar-domain codebooks for near-field channel estimation and beam training: A comprehensive analysis, case studies, and implications for 6G,
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Sparse Array Design for Near-Field MU-MIMO: Reconfigurable Array Thinning Approach
Reconfigurable array thinning via PSO creates flexible sparse arrays for near-field MU-MIMO that suppress grating lobes in angle-range domains and achieve sum-rate performance comparable to movable antennas without physical repositioning.