A compact dual-band dual-mode antenna for GPS L1/L2 adaptive interference cancellation

被引：3
|
作者：
Rezazadeh, Navid [1 ]
Shafai, Lotfollah [1 ]
机构：
[1] Univ Manitoba, Dept Elect & Comp Engn, Winnipeg, MB, Canada
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2020年 / 62卷 / 03期
关键词：
adaptive antennas; global positioning system; multimode microstrip antennas; PATCH ANTENNA; MICROSTRIP; ARRAY;
D O I：
10.1002/mop.32114
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 dual-band dual-mode microstrip antenna design is presented, with the application of adaptive interference cancellation in global positioning system at the L1 and L2 bands. The antenna consists of two stacked TM11 rings and two stacked TM21 shorted rings all fed by coaxial probes. By properly combining the two modes and utilizing both polarization components of each mode, up to three nulls can be steered at each frequency band to cancel interferers close to horizon. The concentric structure of the radiating patches in the proposed design allows for a compact antenna, which for a substrate of dielectric constant of 10 is only 0.33 lambda in diameter at its lowest frequency of operation and can be further miniaturized on a higher dielectric constant substrate.
引用
收藏
页码：1230 / 1236
页数：7
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