Fluid antenna systems have at most K*=2⌈W⌉+1 significant independent eigenmodes set by aperture size W, enabling EDoF and WIM closed-form outage approximations that match exact diversity order and never underestimate performance.
Joint activity detection and channel estimation for fluid antenna system exploiting geographical and angular inform ation
9 Pith papers cite this work. Polarity classification is still indexing.
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FAS channels are represented as AR(p) Gauss-Markov processes to derive the optimal MMSE interpolator, a tight lower bound on required observations, and a Kalman filter achieving that optimum with O(N) complexity.
Discrete joint design using sparse recovery in FAS anti-jamming communications achieves better worst-case sum-rate than alternating optimization for continuous positions.
GS-EM-AMP Bayesian algorithm reconstructs geometry-structured CSI for fluid antennas near analytical MSE/NMSE bounds while learning parameters from data.
Derives closed-form Rayleigh distribution for minimum inter-port distance in planar fluid antenna arrays (scaling O(M^{-1})) and a 2x2 geometric inertia matrix governing universal CRB for joint elevation-azimuth estimation, with invariance to azimuth and a precision-ambiguity trade-off.
A probabilistic unfolding network with stable likelihood projection and dual-domain Mamba achieves state-of-the-art reconstruction in quantized compressive sensing.
A fluid-antenna hybrid architecture for DOA estimation achieves near fully-digital accuracy while cutting RF hardware complexity and training overhead in 6G networks.
Fluid antennas combined with 1D-CNN channel reconstruction improve active user detection error rates and NMSE in unsourced random access via simulation.
A unified CRB framework for activity detection in fluid and fixed antenna systems shows FAS can achieve strong spatial diversity gains with reduced complexity.
citing papers explorer
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How Many Independent Modes Does a Fluid Antenna Have? A Closed-Form Outage Analysis via Equivalent Degrees of Freedom
Fluid antenna systems have at most K*=2⌈W⌉+1 significant independent eigenmodes set by aperture size W, enabling EDoF and WIM closed-form outage approximations that match exact diversity order and never underestimate performance.
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Beyond Covariance: Generative Spatial Correlation Modeling and Channel Interpolation for Fluid Antenna Systems
FAS channels are represented as AR(p) Gauss-Markov processes to derive the optimal MMSE interpolator, a tight lower bound on required observations, and a Kalman filter achieving that optimum with O(N) complexity.
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FAS-aided Robust Anti-Jamming Communications: Continuous and Discrete Positioning Designs
Discrete joint design using sparse recovery in FAS anti-jamming communications achieves better worst-case sum-rate than alternating optimization for continuous positions.
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Geometry-Structured Channel Reconstruction for Conventional and Fluid Antenna Systems: Bayesian Inference and Fundamental Limits
GS-EM-AMP Bayesian algorithm reconstructs geometry-structured CSI for fluid antennas near analytical MSE/NMSE bounds while learning parameters from data.
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Finite-Aperture Planar Fluid Antenna Array
Derives closed-form Rayleigh distribution for minimum inter-port distance in planar fluid antenna arrays (scaling O(M^{-1})) and a 2x2 geometric inertia matrix governing universal CRB for joint elevation-azimuth estimation, with invariance to azimuth and a precision-ambiguity trade-off.
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Deep Probabilistic Unfolding for Quantized Compressive Sensing
A probabilistic unfolding network with stable likelihood projection and dual-domain Mamba achieves state-of-the-art reconstruction in quantized compressive sensing.
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Hybrid Architecture Gets Fluid: A New Paradigm for Direction-of-arrival Estimation in 6G Networks
A fluid-antenna hybrid architecture for DOA estimation achieves near fully-digital accuracy while cutting RF hardware complexity and training overhead in 6G networks.
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Fluid-Antenna-Aided Active User Detection With 1D-CNN Channel Reconstruction for Unsourced Random Access
Fluid antennas combined with 1D-CNN channel reconstruction improve active user detection error rates and NMSE in unsourced random access via simulation.
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Cramer-Rao Bounds for Activity Detection in Conventional and Fluid Antenna Systems
A unified CRB framework for activity detection in fluid and fixed antenna systems shows FAS can achieve strong spatial diversity gains with reduced complexity.