MUTUAL COUPLING REDUCTION IN PATCH ANTENNA ARRAY USING COMBINATION OF SHORTING PINS AND METALLIC WALLS | Zendy

Irfan Ali Tunio | Zendy; Yann Mahé | Zendy; Tchanguiz Razban-Haghighi | Zendy; Bruno Froppier | Zendy

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MUTUAL COUPLING REDUCTION IN PATCH ANTENNA ARRAY USING COMBINATION OF SHORTING PINS AND METALLIC WALLS

Author(s) -

Irfan Ali Tunio,

Yann Mahé,

Tchanguiz Razban-Haghighi,

Bruno Froppier

Publication year - 2020

Publication title -

progress in electromagnetics research c

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.341

H-Index - 34

ISSN - 1937-8718

DOI - 10.2528/pierc20082803

Subject(s) - reduction (mathematics) , coupling (piping) , materials science , antenna (radio) , metal , patch antenna , microstrip antenna , acoustics , optoelectronics , physics , electrical engineering , engineering , composite material , geometry , metallurgy , mathematics

A method of loaded patch antennas with shorting pins and erected walls in between patch antenna arrays is introduced to reduce surface wave and free space wave coupling in both E and Hplanes. This simple technique works equally well in both orientations by reducing coupling up to −19 dB and −15 dB (measured value) in E-plane and H-plane, respectively, as compared to a conventional patch antenna array. The scattering parameters are studied, and conclusions are made on amounts of mutually coupled power and the bandwidth of the rejection band (S12). A parametric study of the variation in the level of mutual coupling with respect to height of the wall has been carried out in both E and H-planes. The simulation results are well verified through measurements.

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