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.
Fluid antenna systems: A geometric approach to error probability and fundamental limits
5 Pith papers cite this work. Polarity classification is still indexing.
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2026 5verdicts
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Derives exact closed-form BLER and rate for FAS-enabled HRLLC with switching delay, proves strict unimodality in port dimension for reliability/rate/energy efficiency, and characterizes a switching-delay threshold for gains over fixed-position antennas.
PUMA integrates phased arrays with fluid antennas at UEs for analog-domain interference mitigation and high gain using minimal RF chains, claiming superior data rates over FAMA and CUMA in theoretical analysis and simulations for 6G.
The paper introduces a response-aware codebook selection method for FRIS-assisted index modulation to improve spatial index reliability in 6G wireless communications.
Derives closed-form outage probability for a SIM-assisted FAS model using BDMA and optimizes phase shifts to minimize outage with numerical validation.
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