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2019-08-14
A Novel CPW-Fed Planar Monopole Antenna with Broadband Circularly Polarization
By
Progress In Electromagnetics Research M, Vol. 84, 11-20, 2019
Abstract
A novel CPW-fed planar printed monopole antenna with broadband circular polarization (CP) characteristic is presented. The proposed antenna consists of a copper coin-shaped patch (CCSP) and an asymmetrical ground plane. To achieve a broadband CP wave, a vertical stub is added to the CCSP to produce orthogonal surface currents for right-hand circular polarization (RHCP). The design of the CCSP greatly increases the impedance bandwidth (IBW) of 89.2% which can cover the whole CP bandwidth of 71% completely. The measured results show that the proposed antenna has not only a broad 3-dB AR bandwidth (ARBW) of 71% (3900 MHz, 3.1-7 GHz) with respect to the CP center frequency 5.8 GHz, but also a wide 10-dB return loss bandwidth of 89.2% (5040 MHz, 2.16-7.2 GHz) centered at 5.65 GHz.
Citation
Tingting Chen, Jingjing Zhang, and Weijiang Wang, "A Novel CPW-Fed Planar Monopole Antenna with Broadband Circularly Polarization," Progress In Electromagnetics Research M, Vol. 84, 11-20, 2019.
doi:10.2528/PIERM19061901
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