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

页码：427 / 430

页数：4

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