OPTIMUM HIGH IMPEDANCE SURFACE CONFIGURATION FOR MUTUAL COUPLING REDUCTION IN SMALL ANTENNA ARRAYS | Zendy

Nicolas Capet | Zendy; Cédric Martel | Zendy; Jérôme Sokoloff | Zendy; and Olivier Pascal | Zendy

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OPTIMUM HIGH IMPEDANCE SURFACE CONFIGURATION FOR MUTUAL COUPLING REDUCTION IN SMALL ANTENNA ARRAYS

Author(s) -

Nicolas Capet,

Cédric Martel,

Jérôme Sokoloff,

and Olivier Pascal

Publication year - 2011

Publication title -

progress in electromagnetics research b

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.208

H-Index - 47

ISSN - 1937-6472

DOI - 10.2528/pierb11050506

Subject(s) - reduction (mathematics) , antenna (radio) , electrical impedance , coupling (piping) , surface (topology) , acoustics , materials science , telecommunications , computer science , physics , electrical engineering , mathematics , geometry , composite material , engineering

In this paper, the electromagnetic properties of two difier- ent High Impedance Surfaces (HIS) with or without Electromagnetic Band Gap (EBG) in difierent conflgurations are investigated for mutual coupling reduction in small antenna arrays. The resonant mechanisms of these structures are studied using transmission calculations in a par- allel plate waveguide. An optimum conflguration is then proposed. It is shown that a good isolation performance can be achieved without the need of metallic vias when the structure is embedded in a metal- lic cavity, which limits signiflcantly the number of HIS cells needed to perform a good isolation and the cost of manufacture.

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