Vol. 128

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2012-06-02

Development of a Broadband Horizontally Polarized Omnidirectional Planar Antenna and its Array for Base Stations

By Xu Lin Quan, Rong-Lin Li, Jian Ye Wang, and Yue Hui Cui
Progress In Electromagnetics Research, Vol. 128, 441-456, 2012
doi:10.2528/PIER12042405

Abstract

A novel broadband horizontally polarized (HP) omnidirectional planar antenna is developed for mobile communications. The proposed antenna consists of four printed arc dipoles that form a circular loop for HP omnidirectional radiation. A broadband feeding network which includes four broadband baluns and an impedance matching circuit is designed to excite the four arc dipoles. An eight-element linear antenna array is developed for 2G/3G base stations. A broadband power divider is used to feed the antenna array. Experimental results show that the HP omnidirectional antenna element has a bandwidth of 31% (1.66-2.27 GHz) while its array has a bandwidth of 34% (1.67-2.35 GHz) and an omnidirectional antenna gain of ~8 dBi. Both of the antenna element and its array have good omnidirectivity over the 10-dB return loss bandwidth. Simulated and measured results for the antenna element and its array are presented.

Citation


Xu Lin Quan, Rong-Lin Li, Jian Ye Wang, and Yue Hui Cui, "Development of a Broadband Horizontally Polarized Omnidirectional Planar Antenna and its Array for Base Stations," Progress In Electromagnetics Research, Vol. 128, 441-456, 2012.
doi:10.2528/PIER12042405
http://jpier.org/PIER/pier.php?paper=12042405

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