Vol. 102

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2022-01-02

Dual Circularly Polarized Wideband Magneto-Electric Dipole Antenna for Wireless Applications

By Xiaoxiang Ding, Shinan Wu, Guoqing Yang, and Hai Lan
Progress In Electromagnetics Research Letters, Vol. 102, 27-36, 2022
doi:10.2528/PIERL21112508

Abstract

A wideband magneto-electric (ME) dipole with characteristics of dual-circular polarization is presented in this paper. The proposed antenna is composed of four horizontal radiation patches, four pairs of vertical radiation patches, a ground plane, a pair of wideband feeding networks, and novel crossed feeding structures which work as wideband 3-stage impedance matching transitions. The feeding networks which contain a Wilkinson power divider and a coupled-line phase shifter are printed on the bottom of the ground plane, and they can provide stable two-way output wideband signals with quadrature-phase. The proposed antenna works as a ME dipole with a wide operation bandwidth of 53.2% (S11 < -10 dB, and Axial Ratio (AR) < 3 dB) from 1.71 GHz to 2.95 GHz for right-hand circular polarization (RHCP) and 62% from 1.7 GHz to 3.25 GHz for left-hand circular polarization (LHCP), respectively.

Citation


Xiaoxiang Ding, Shinan Wu, Guoqing Yang, and Hai Lan, "Dual Circularly Polarized Wideband Magneto-Electric Dipole Antenna for Wireless Applications," Progress In Electromagnetics Research Letters, Vol. 102, 27-36, 2022.
doi:10.2528/PIERL21112508
http://jpier.org/PIERL/pier.php?paper=21112508

References