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http://dx.doi.org/10.12673/jant.2018.22.4.295

The Rejection of the GPS Interference Mirror Image by using the Three-dimensional Array Antenna  

Kim, JunO (Agency for Defense Development, Navigation Division)
Lee, Sang Jeong (Department of Electronics Engineering, Chungnam National University)
Publication Information
Journal of Advanced Navigation Technology / v.22, no.4, 2018 , pp. 295-301 More about this Journal
Abstract
Recently, GPS(Global Positioning System) array antenna technology is generally used and widely adopted as a national infrastructure structure and aero-vehicles for protection the GPS signal reception. Until now, the 2-dimensional planar array is universally used for its applications in the array antenna signal processing, however relatively higher altitude air vehicles such as UAV experiences additional null zones induced by low altitude GPS interferences which is located in a symmetry zone of antenna horizontal plane and this could make the receiving antenna pattern coverage reduction. In this paper, we improved 20% of the beam pattern receiving performance and 13 dB correlation value improvement by eliminating the interference mirror images.
Keywords
GPS; Array Antenna; Mirror image; Interference;
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