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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Historical review of fluid antenna and movable antenna
11 Pith papers cite this work. Polarity classification is still indexing.
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2026 11representative citing papers
Fluid antenna systems with continuously optimized positions achieve linear DOF growth with aperture size D/λ and O(1/D^{2L}) CRB scaling for L sources, outperforming grid-constrained designs via a two-stage FAS-MUSIC algorithm.
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.
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.
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.
Semi-blind PARAFAC and Nested PARAFAC2 receivers enable joint channel and symbol estimation in RIS-aided fluid antenna systems with significantly reduced training overhead.
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.
Stochastic geometry yields approximate SIR coverage probability, average user rate, and cell sum-rate for uplink CUMA, showing competitive performance under limited CSI.
Jointly optimizes movable-antenna positions and beamforming to maximize average secrecy rate in LEO satellite links against nearby eavesdropping satellites.
Double-side fluid antenna assisted multi-static ISAC achieves superior detection probability and communication QoS via joint position and beamforming optimization solved by alternating penalty-based methods.
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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Sparse Fluid Antenna Arrays: Continuous Position Design Beyond Classical DOF Limits
Fluid antenna systems with continuously optimized positions achieve linear DOF growth with aperture size D/λ and O(1/D^{2L}) CRB scaling for L sources, outperforming grid-constrained designs via a two-stage FAS-MUSIC algorithm.
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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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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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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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Semi-Blind Receivers for RIS-Aided Fluid Antenna Systems
Semi-blind PARAFAC and Nested PARAFAC2 receivers enable joint channel and symbol estimation in RIS-aided fluid antenna systems with significantly reduced training overhead.
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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.
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Stochastic Geometry Analysis of Uplink CUMA-Enabled Cellular Networks
Stochastic geometry yields approximate SIR coverage probability, average user rate, and cell sum-rate for uplink CUMA, showing competitive performance under limited CSI.
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Movable Antenna-Aided Secure LEO Satellite Networks: Joint Antenna Position and Beamforming Optimization
Jointly optimizes movable-antenna positions and beamforming to maximize average secrecy rate in LEO satellite links against nearby eavesdropping satellites.
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Multi-Static ISAC Assisted by Double-Side Fluid Antenna System
Double-side fluid antenna assisted multi-static ISAC achieves superior detection probability and communication QoS via joint position and beamforming optimization solved by alternating penalty-based methods.
- Fluid Antenna Systems Enabling 6G HRLLC With Port Switching Delay