Mutual coupling in holographic MIMO: physical modeling and information-theoretic analysis

This paper presents a comprehensive framework for holographic multiantenna communication, a paradigm that integrates both wide apertures and closely spaced antennas relative to the wavelength. The presented framework is physically grounded, enabling information-theoretic analyses that inherently inc...

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Bibliographic Details
Authors: Pizzo, Andrea, Lozano Solsona, Angel
Format: article
Status:Published version
Publication Date:2025
Country:España
Institution:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Repository:Recercat. Dipósit de la Recerca de Catalunya
OAI Identifier:oai:dnet:recercat____::55c3bcbde6877de55b72928537957bfb
Online Access:https://hdl.handle.net/10230/72914
http://dx.doi.org/10.1109/JSAIT.2025.3570804
Access Level:Open access
Keyword:Holographic MIMO
Mutual coupling
Fading correlation
Channel capacity
SNR-limiting analysis
Description
Summary:This paper presents a comprehensive framework for holographic multiantenna communication, a paradigm that integrates both wide apertures and closely spaced antennas relative to the wavelength. The presented framework is physically grounded, enabling information-theoretic analyses that inherently incorporate correlation and mutual coupling among the antennas. This establishes the combined effects of correlation and coupling on the information-theoretic performance limits across SNR levels. Additionally, it reveals that, by suitably selecting the individual antenna patterns, mutual coupling can be harnessed to either reinforce or counter spatial correlations as appropriate for specific SNRs, thereby improving the performance.