A copula-based attention time-series model reconstructs unobserved port signals in FAMA systems from random partial observations, reaching NMSE of order 10^{-4} when observed ports exceed spatial DoF under rich and finite-scattering channels.
Performance limits of fluid antenna systems,
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The paper introduces diffusion FAS, a DDPM-driven spatial selection method that enables generative spatial stealth (up to 100x suppression) and target isolation in object-side ISAC scenarios.
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Fast Fluid Antenna Multiple Access
A copula-based attention time-series model reconstructs unobserved port signals in FAMA systems from random partial observations, reaching NMSE of order 10^{-4} when observed ports exceed spatial DoF under rich and finite-scattering channels.
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Diffusion Fluid Antenna Systems for Resilient ISAC
The paper introduces diffusion FAS, a DDPM-driven spatial selection method that enables generative spatial stealth (up to 100x suppression) and target isolation in object-side ISAC scenarios.