- Volume 11 Issue 12
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Design of a 5-patch GPS array antenna for anti-jamming
GPS 방해신호 회피용 5-패치 배열 안테나 설계
- Chae, Gyoo-Soo (Division of Information & Communication Eng., Baekseok University) ;
- Lim, Joong-Soo (Division of Information & Communication Eng., Baekseok University)
- Received : 2013.11.25
- Accepted : 2013.12.20
- Published : 2013.12.28
In this paper, the implementation of a null-steering antenna array using GPS patch antennas is suggested. The antenna array consists of five patch antenna elements fabricated on the ceramic substrate. The antenna element proposed here is a typical circular polarization patch and a prototype patch array antenna is manufactured on the PCB. The antenna has one reference element located at the center and other four elements are placed at the corners. A null in the direction of the jamming signal can be produced by changing the phases of 4-elements. Simulation results of the array antenna by CST MWS are presented and discussed. The basic performances are measured and the results are shown. The results show that the antenna presented here can be used to remove the signals from the directions of any jammers.
GPS;Patch antenna;anti-jamming;array antenna;interference
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