The Journal of Korean Institute of Communications and Information Sciences (한국통신학회논문지)

The Korean Institute of Commucations and Information Sciences (한국통신학회)
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Mutual Coupling Compensation and Direction Finding for Anti-Jamming 3D GPS Antenna Array

항재밍 3차원 GPS 배열 안테나를 위한 Mutual coupling 보상 및 재밍 방향탐지 알고리즘

  • Kang, Kyusic (Hanyang University Department of Electronics and Computer Engineering) ;
  • Sin, Cheonsig (Electronic and Telecommunications Research Institute:ETRI) ;
  • Kim, Sunwoo (Hanyang University Department of Electronics and Computer Engineering)
  • Received : 2017.02.08
  • Accepted : 2017.04.12
  • Published : 2017.04.30
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Abstract

In this paper, we consider an online compensation algorithm considering the mutual coupling and suggest a new GPS antenna array to apply. To evaluate the anti-jamming performance for the proposed antenna array, ULA and URA, we divide direction finding of multiple jamming signals into environments. 1. there is no mutual coupling. 2. there is mutual coupling but no compensation. 3. mutual coupling is compensated. RMSE analysis showed that the online compensation algorithm works and that peak detection is possible for multiple jamming signals.

본 논문에서는 안테나 간의 상호 결합을 고려한 온라인 보상 알고리즘을 고려하였으며, 이를 적용하기 위한 새로운 GPS(Global Positioning System)용 안테나 배열을 제안하였다. 제안한 안테나 배열 및 ULA(Uniform Linear Array), URA(Uniform Rectangular Array)에 대한 항재밍 성능 평가를 위해 복수의 재밍신호 환경에 대한 방향탐지를 환경 조건 별로 나누어서 진행하였다. 1. 상호 결합이 존재하지 않는 환경. 2. 상호 결합이 있으나 보상이 이루어지지 않는 환경. 3. 상호 결합 보상이 이루어진 환경. RMSE(Root Mean Square Error) 분석을 통해 온라인 보상 알고리즘이 작동함을 확인하고 복수의 재밍신호에서도 피크 검출이 가능함을 보였다.

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References

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