An element-wise search over pinching-antenna positions, paired with MRT, ZF, or MMSE beamforming, maximizes downlink and uplink sum-rates for pinching-antenna systems without alternating optimization.
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Multiuser Beamforming for Pinching-Antenna Systems: An Element-wise Optimization Framework
An element-wise search over pinching-antenna positions, paired with MRT, ZF, or MMSE beamforming, maximizes downlink and uplink sum-rates for pinching-antenna systems without alternating optimization.