Title : ( Copula-Based Analysis of Fluid Antenna-Assisted Over-the-Air Computation )
Authors: saeid Pakravan , Mohsen Ahmadzadehbolghan , Ghosheh Abed Hodtani ,
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Abstract
This letter studies an uplink over-the-air computation (AirComp) framework in which multiple user equipments are equipped with fluid-antenna (FA) arrays and operate over spatially correlated fading channels. By explicitly modeling channel depen- dence using the Gumbel copula, closed-form analytical expressions are derived for the cumulative distribution function (CDF) of the mean-squared error (MSE) of the aggregated function. The proposed analysis provides a quantitative performance charac- terization of AirComp under spatial correlation and provides analytical insights into the role of FA-assisted transmission in correlated wireless environments. Numerical results validate the derived expressions and show that FA deployment can sub- stantially reduce the MSE compared with conventional fixed- antenna systems, although the achievable gain decreases as spatial correlation becomes stronger.
Keywords
, Over-the-air computation, fluid antenna systems, spatial correlation, copula modeling.
@article{paperid:1107330,
author = {Pakravan, Saeid and Ahmadzadehbolghan , Mohsen and Abed Hodtani, Ghosheh},
title = {Copula-Based Analysis of Fluid Antenna-Assisted Over-the-Air Computation},
journal = {IEEE Communications Letters},
year = {2026},
volume = {30},
number = {7},
month = {May},
issn = {1089-7798},
pages = {1--5},
numpages = {4},
keywords = {Over-the-air computation; fluid antenna systems;
spatial correlation; copula modeling.},
}
%0 Journal Article
%T Copula-Based Analysis of Fluid Antenna-Assisted Over-the-Air Computation
%A Pakravan, Saeid
%A Ahmadzadehbolghan , Mohsen
%A Abed Hodtani, Ghosheh
%J IEEE Communications Letters
%@ 1089-7798
%D 2026
