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Abstract：
A compact circularly polarized microstrip ring antenna is presented for Global Navigation Satellite systems (GNSS) application in this paper. The antenna consists of a ring-shaped slotted ground and a radiation patch which is fed by a T-like coupling feedline. The radiation patch is a square ring strip embedded within two inverted L-shaped strips and a rectangular strip. The overall size of the proposed antenna is 0.38 × 0.38 × 0.038λ3g(λg is the guide wavelength at the frequency of 1575 MHz). The measured −15 dB |S11 | bandwidth, 3 dB axial ratio (AR) bandwidth, and gain bandwidth of larger than 5 dBi are in the frequency range of 1552–1623 MHz, which can fully cover the operating frequency band of BDS B1,GPSL1, and GLONASS L1. © 2020, Electromagnetics Academy. All rights reserved.
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Progress in Electromagnetics Research Letters
ISSN： 1937-6480
Year： 2020
Volume： 88
Page： 29-36
0 . 7 0 0
JCR@2023
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SCOPUS Cited Count： 3
ESI Highly Cited Papers on the List： 0 Unfold All
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30 Days PV： 4
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