HIGH GAIN AND BROADBAND CIRCULARLY POLARIZED SQUARE SLOT ANTENNA ARRAY | Zendy

Pejman Mohammadi | Zendy; Vahid Rafii | Zendy

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HIGH GAIN AND BROADBAND CIRCULARLY POLARIZED SQUARE SLOT ANTENNA ARRAY

Author(s) -

Pejman Mohammadi,

Vahid Rafii

Publication year - 2013

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/pierl13080701

Subject(s) - broadband , square (algebra) , circular polarization , high gain antenna , turnstile antenna , optics , physics , antenna (radio) , telecommunications , slot antenna , computer science , antenna measurement , mathematics , geometry , microstrip

A high-gain and low-cost circularly polarized antenna array is proposed, which consists of four sequentially rotated circularly polarized square slot antennas (CPSSA). A novel feeding network is applied to the four-element array antenna, which results in increasing the axial ratio (AR) bandwidth. The measured impedance bandwidth for VSWR < 2 is around 3.48GHz (3.75GHz»7.23GHz) exhibiting a 2.8GHz (3.8GHz»6.6GHz) 3dB axial-ratio bandwidth (ARBW) and 9.05dBic peak gain. The simulated and measured results are in good agreement with each other to verify the design.

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