most citedCramer-Rao Bounds for Activity Detection in Conventional and Fluid Antenna Systems

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eess.SP2026

Geometry-Structured Channel Reconstruction for Conventional and Fluid Antenna Systems: Bayesian Inference and Fundamental Limits

Zhentian Zhang, Kai-Kit Wong, Kaitao Meng +5

Accurate channel state information (CSI) acquisition is critical for exploiting the spatial flexibility of fluid antenna systems (FASs). However, port selection and transmission op…