PATCH ANTENNA FOR FULL DUPLEX APPLICATION WITH IMPROVED ISOLATION USING DEFECTED GROUND STRUCTURE | Zendy

Carlene Goodbody | Zendy; Nghi H. Tran | Zendy; Tutku Karacolak | Zendy

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PATCH ANTENNA FOR FULL DUPLEX APPLICATION WITH IMPROVED ISOLATION USING DEFECTED GROUND STRUCTURE

Author(s) -

Carlene Goodbody,

Nghi H. Tran,

Tutku Karacolak

Publication year - 2019

Publication title -

progress in electromagnetics research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.245

H-Index - 33

ISSN - 1937-6480

DOI - 10.2528/pierl19031808

Subject(s) - isolation (microbiology) , duplex (building) , antenna (radio) , acoustics , materials science , computer science , physics , telecommunications , chemistry , biology , bioinformatics , dna , biochemistry

A patch antenna system operating in the 2.4–2.5 GHz ISM band is proposed for in-band full duplex applications. The proposed antenna consists of a patch antenna, a modified 180◦ hybrid, and a defected ground structure. Fabricated prototype results show a measured bandwidth of 100 MHz and an isolation of −75 dB at the center frequency with an isolation of at least −50 dB covering the ISM band 2.4 GHz–2.5 GHz. The design also has a spherical directional radiation pattern, low cross polarization, and reasonable gain values.

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