A DUAL-BAND CIRCULARLY POLARIZED STUB LOADED MICROSTRIP PATCH ANTENNA FOR GPS APPLICATIONS | Zendy

Abbas Ali Heidari | Zendy; Mohammad Heyrani | Zendy; Mansor Nakhkash | Zendy

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A DUAL-BAND CIRCULARLY POLARIZED STUB LOADED MICROSTRIP PATCH ANTENNA FOR GPS APPLICATIONS

Author(s) -

Abbas Ali Heidari,

Mohammad Heyrani,

Mansor Nakhkash

Publication year - 2009

Publication title -

electromagnetic waves

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.437

H-Index - 89

eISSN - 1559-8985

pISSN - 1070-4698

DOI - 10.2528/pier09032401

Subject(s) - stub (electronics) , microstrip antenna , patch antenna , multi band device , global positioning system , circular polarization , microstrip , turnstile antenna , optics , coaxial antenna , materials science , acoustics , antenna (radio) , physics , electrical engineering , telecommunications , engineering

A single-feed low-profile and easy to fabricate circularly polarized microstrip patch antenna has been developed for GPS applications. For dual frequency operation, four slots are etched near edges of the patch and a crossed slot etched in the center for generating circular polarization. In order to reducing the frequency ratio of two frequency bands of the antenna, the patch is loaded by four short circuit microstrip stubs. The paper reports several simulation results that confirm the desired characteristics of the antenna. Using stub loading, the frequency ratio of two bands of the antenna can be, even, reduced to 1.1.

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