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2013-10-14
High Gain and Broadband Circularly Polarized Square Slot Antenna Array
By
Progress In Electromagnetics Research Letters, Vol. 43, 105-113, 2013
Abstract
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 3.48 GHz (3.75 GHz~7.23 GHz) exhibiting a 2.8 GHz (3.8 GHz~6.6 GHz) 3 dB axial-ratio bandwidth (ARBW) and 9.05 dBic peak gain. The simulated and measured results are in good agreement with each other to verify the design.
Citation
Pejman Mohammadi, and Vahid Rafii, "High Gain and Broadband Circularly Polarized Square Slot Antenna Array," Progress In Electromagnetics Research Letters, Vol. 43, 105-113, 2013.
doi:10.2528/PIERL13080701
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