Design of Three-stacked Microstrip Patch Array Antenna Having Tx/Rx Feeds For Satellite Communication

위성통신을 위한 송수신 겸용 삼중 적층 마이크로스트립 패치 배열 안테나 설계

  • 박웅희 (강원대학교 삼척캠퍼스 전자공학과) ;
  • 노행숙 (한국전자통신연구원 전파기반부)
  • Published : 2007.05.31


This paper presents a microstrip patch array antenna having transmission feed and reception feed for satellite communication in the Ku band. In this paper, the element of the patch array antenna is a three-stacked structure consisting of one radiation patch and two parasitic patches for high gain and wide bandwidth characteristics. To obtain higher gain, the unit elements are expanded into a $1{\times}8$ may using a mixture of series and parallel feeds. The proposed antenna has horizontal polarization for the Rx band and vertical polarization for the Tx band. To verify the practicality of this antenna, we fabricated a three-stacked patch array antenna and measured its performance. The gain of the array antenna in the Rx and Tx bands exceeds 17 and 18 dBi, respectively. The impedance bandwidth is over 10 % in both bands. The cross-polarization level is below -25 dB, and the sidelobe level is below -9.4 dB.


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