COMPACT WIDE-BEAM CIRCULARLY POLARIZED ANTENNA WITH STEPPED ARC-SHAPED ARMS FOR CNSS APPLICATION | Zendy

Can Wang | Zendy; FuShun Zhang | Zendy; Fan Zhang | Zendy; Ya-Li Yao | Zendy; Tian Li | Zendy

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COMPACT WIDE-BEAM CIRCULARLY POLARIZED ANTENNA WITH STEPPED ARC-SHAPED ARMS FOR CNSS APPLICATION

Author(s) -

Can Wang,

FuShun Zhang,

Fan Zhang,

Ya-Li Yao,

Tian Li

Publication year - 2017

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/pierc16122201

Subject(s) - arc (geometry) , turnstile antenna , antenna (radio) , optics , beam (structure) , materials science , physics , coaxial antenna , telecommunications , engineering , microstrip antenna , mechanical engineering

A single-feed circularly polarized wide-beam antenna is proposed for Compass Navigation Satellite System (CNSS) application. The antenna consists of four stepped arc-shaped arms, which are applied to generate circularly polarized radiation. To broaden the beamwidth, each arm is split up into two horizontal arc-shaped parts and one vertical part. The proposed antenna is simulated, fabricated and tested. The measured results show that the 10-dB return loss band of the proposed antenna is from 2.37 GHz to 2.65 GHz and the 3-dB axial ratio band from 2.42 GHz to 2.55 GHz, covering the receiving band (2.49175GHz ± 4.08 MHz) of CNSS. Its 3-dB AR beamwidth is 181◦ at 2.491 GHz. For the horizontal radiation pattern of the proposed antenna at 5◦ elevation angle, the RHCP gain is greater than −1.1 dBic, and the out-of-roundness is 1 dB. Additionally, the proposed antenna has a size of 0.37λ0 × 0.37λ0 × 0.11λ0 with respect to 2.491 GHz.

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