Broadband dual-polarized planar antenna and array for mobile communication base station

2015 ◽  
Author(s):  
Hai-Jian Xu ◽  
Xiao-Wei Zhu ◽  
Zhen-Qi Kuai
Keyword(s):  
Mobile Communication ◽  
Base Station ◽  
Planar Antenna ◽  
Dual Polarized

scholarly journals Broadband Vertically/Horizontally Dual-Polarized Antenna for Base Stations

2017 ◽  
Vol 2017 ◽  
pp. 1-9 ◽  
Author(s):  
YueHui Cui ◽  
XiaoNa Gao ◽  
RongLin Li
Keyword(s):  
Mobile Communication ◽  
Return Loss ◽  
Beam Width ◽  
Base Stations ◽  
Planar Antenna ◽  
Antenna Gain ◽  
Horizontal Polarization ◽  
Dual Polarized ◽  
Half Power ◽  
Dual Polarized Antenna

A broadband vertically/horizontally (V/H) dual-polarized antenna is proposed for mobile communication base stations. The antenna consists of two perpendicularly placed broadband planar antenna elements. By shaping the reflector for V/H dual-polarized antenna, a half-power beam width of 65±8° is achieved for both vertical and horizontal polarization. The V/H dual-polarized antenna has a bandwidth of 48% (1.7–2.75 GHz) for return loss >15 dB, an isolation of 30 dB, and an antenna gain of 9 dBi. An 8-element V/H dual-polarized antenna array is developed, which achieves a bandwidth of 45% (1.7–2.7 GHz) and an antenna gain of 16 dBi, suitable for GSM/UMTS/LTE base stations.

scholarly journals Dual-Polarized Cross Bowtie Dipole for 3G and LTE Applications

2013 ◽  
Vol 2013 ◽  
pp. 1-6 ◽  
Author(s):  
Zhi-Ya Zhang ◽  
Jia-Yue Zhao ◽  
Qiongqiong Liu ◽  
Guang Fu
Keyword(s):  
Mobile Communication ◽  
Ground Plane ◽  
Base Station ◽  
Cross Polarization ◽  
Impedance Characteristic ◽  
High Isolation ◽  
Circular Patch ◽  
Base Station Antennas ◽  
Dual Polarized ◽  
Peak Gain

A dual-polarized cross bowtie dipole element with parasitical circular patch and vertical metal cylinders for base station antennas is presented. A pair of orthogonal cross bowtie dipoles, with a reflector ground plane, is used to obtain the two linear polarizations. Besides two inverted L-shaped feed strips and two shorted feed baluns, parasitical circular patch is introduced to improve the impendence bandwidth and vertical metal cylinders are employed to decrease the lateral dimensions of the antenna. A wideband impedance characteristic of about 45.6% for VSWR ≤ 1.5 (+45° polarization) and VSWR ≤ 1.5 (−45° polarization) ranging from 1.76 to 2.80 GHz is obtained. Moreover, the stable peak gain, unidirectional radiation patterns, high isolation between the two orthogonal polarizations, and low cross-polarization over the whole operating band are also achieved. The proposed antenna is very suitable for potential base station applications in mobile communication such as TD-SCDMA, WCDMA, and CDMA2000 and LTE applications.

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