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J Electromagn Eng Sci > Volume 16(2); 2016 > Article
Journal of Electromagnetic Engineering and Science 2016;16(2):74-79.
DOI: https://doi.org/10.5515/JKIEES.2016.16.2.74   
Optimum Array Configuration to Improve Null Steering Time for Mobile CRPA Systems
Gangil Byun1, Jong-Chul Hyun2, Seung Mo Seo3, Hosung Choo4
1Research Institute of Science and Technology, Hongik University
2LIG Nex1 Co. Ltd.
3Agency for Defense Development
4School of Electronic and Electrical Engineering, Hongik University
Correspondence:  Hosung Choo,Email: hschoo@hongik.ac.kr
This paper proposes an optimum array configuration to improve null steering time for mobile controlled reception pattern antenna (CRPA) systems. The proposed array consists of a single reference element at the center and nine auxiliary elements arranged in a circular array. The array radius and the vertical positions of the center element are optimized using a genetic algorithm in conjunction with a constrained least-mean-square algorithm. The results demonstrate that the proposed array is suitable for mobile CRPA systems without significant side nulls in satellite directions.
Key words: Antenna Array, Controlled Reception Pattern Antenna Array, GPS Antenna Array, Interference Mitigation
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