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Progress In Electromagnetics Research C
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A BROADBAND DUAL-POLARIZED ARM-OVERLAPPED DIPOLE ANTENNA FOR BASE STATION APPLICATIONS

By J. Wu, W. Yu, and J. Chen

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Abstract:
A broadband dual-polarized dipole antenna with overlapped dipole arms is proposed in this paper. To obtain a compact radiator size, the arm-overlapped dipole antenna is constituted by splitting and overlapping the edges of a cross loop dipole. Then four open pins are soldered to the dipole to excite a third resonance at high frequency band. Measured results show that the proposed antenna with a small radiator size of 49×49 mm2 has an impedance bandwidth of 49.5% (1.7-2.82 GHz) for VSWR<1.5, port isolation >28 dB and half-power beamwidth (HPBW) of 65º±5º. A 4-element antenna array with 8º±2º electrical down tilt is shown to further validate the performance of the antenna.

Citation:
J. Wu, W. Yu, and J. Chen, "A Broadband Dual-Polarized Arm-Overlapped Dipole Antenna for Base Station Applications," Progress In Electromagnetics Research C, Vol. 89, 51-59, 2019.
doi:10.2528/PIERC18110105

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