2019-12-05
A Compact Circularly Polarized Microstrip Ring Antenna Using a Slotted Ground for GNSS Applications
By
Progress In Electromagnetics Research Letters, Vol. 88, 29-36, 2020
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 0.38×0.38×0.038λg3g 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, GPS L1, and GLONASS L1.
Citation
Jiade Yuan, and Yujie Li, "A Compact Circularly Polarized Microstrip Ring Antenna Using a Slotted Ground for GNSS Applications," Progress In Electromagnetics Research Letters, Vol. 88, 29-36, 2020.
doi:10.2528/PIERL19082707
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