Wideband Dual-Polarized Patch Antenna With Low Cross Polarization and High Isolation

被引：150
|
作者：
Li, Biao [1 ]
Yin, Ying-Zeng [1 ]
Hu, Wei [1 ]
Ding, Yang [1 ]
Zhao, Yang [1 ]
机构：
[1] Xidian Univ, Natl Key Lab Antennas & Microwave Technol, Xian 710071, Peoples R China
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2012年 / 11卷
关键词：
Dual-polarized; high port isolation; low cross polarization; wideband;
D O I：
10.1109/LAWP.2012.2195149
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A coax-feed wideband dual-polarized patch antenna with low cross polarization and high port isolation is presented in this letter. The proposed antenna contains two pairs of T-shaped slots on the two bowtie-shaped patches separately. This structure changes the path of the current and keeps the cross polarization under -40 dB. By introducing two short pins, the isolation between the two ports remains more than 38 dB in the whole bandwidth with the front-to-back ratio better than 19 dB. Moreover, the proposed antenna achieving a 10-dB return loss bandwidth of 1.70-2.73 GHz has a compact structure, thus making it easy to be extended to form an array, which can be used as a base station antenna for PCS, UMTS, and WLAN/WiMAX applications.
引用
收藏
页码：427 / 430
页数：4
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