Dual-Polarized Microstrip Patch Planar Array Antennas With Improved Port-to-Port Isolation

被引：28
|
作者：
Acimovic, Igor [1 ]
McNamara, Derek A. [1 ]
Petosa, Aldo [2 ]
机构：
[1] Univ Ottawa, Ottawa, ON K1N 6N5, Canada
[2] Commun Res Ctr, Ottawa, ON K1A 0Z4, Canada
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2008年 / 56卷 / 11期
关键词：
Dual-polarized array; port isolation;
D O I：
10.1109/TAP.2008.2005450
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 method of preventing the degradation in the isolation between the orthogonal polarization ports caused by beamforming network routing in combined edge/aperture fed dual-polarized microstrip-patch planar array antennas is described. The simulated and measured performance of such planar arrays is demonstrated. Measured port isolations of 50 dB at center frequency, and more than 40 dB over a 4% bandwidth, are achieved. In addition, insight into the physical reasons for the improved port-to-port isolation levels, of the proposed element geometry and beamforming network layout, is obtained through prudent use of the electromagnetic modelling.
引用
收藏
页码：3433 / 3439
页数：7
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