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

한국통신학회 (The Korean Institute of Commucations and Information Sciences)
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부분대역 잡음 재밍 환경에서의 주파수 재할당을 고려한 Link-16 성능 분석

Performance Analysis of Link-16 Waveform considering Frequency Remapping under PBNJ

  • 이규만 (아주대학교 컴퓨터공학과 국방전술네트워크 연구센터) ;
  • 노홍준 (아주대학교 국방전술네트워크 연구센터) ;
  • 이종관 (아주대학교 국방전술네트워크 연구센터) ;
  • 임재성 (아주대학교 소프트웨어융합학과 국방전술네트워크 연구센터)
  • 투고 : 2013.08.26
  • 심사 : 2013.11.04
  • 발행 : 2013.11.30
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초록

합동전술정보분배체계는 미국, 북대서양조약기구 및 기타 연합군에서 운용하고 있는 Link-16의 통신 터미널로 사용된다. 최근 민간 항공분야에서의 교통량 증가로 인해 주파수 수요가 급증함에 따라 Link-16에서 사용 중인 주파수는 다른 시스템에 재할당될 예정이며, 이는 Link-16의 성능에 영향을 미칠 것으로 예상된다. 따라서 본 논문에서는 주파수 대역 감소에 따른 Link-16 성능의 영향을 모의실험과 수치 해석을 통해 기존 성능과 비교하였다. 성능 분석 결과, Nakagami 페이딩과 부분대역 잡음 재밍 환경에서 주파수가 재할당된 Link-16은 성능이 감소됨에도 불구하고 높은 항재밍 능력을 유지하였으며, 동일 시간슬롯에서 다수 사용자들을 지원할 수 있음을 확인하였다.

The joint tactical information distribution system (JTIDS) is used as the communication terminal of Link-16 by the United States armed forces, north atlantic treaty organization (NATO), and other allied forces. A portion of Link-16 frequencies may be shortly remapped to other systems owing to the growing demand for frequencies, especially in civil aviation, which is witnessing a constant increase in air traffic. This will affect the performance of Link-16. Therefore, in this paper, we analyze the effect of frequency band reduction on the performance of Link-16 waveform under partial-band noise jamming with Nakagami fading, via simulation and numerical analysis. The multi-net and anti-jamming performance of Link-16 with frequency remapping is compared with that of conventional Link-16 systems. The results show that the performance of Link-16 waveform is degraded with the reduction in frequencies. Nonetheless, Link-16 retains its jam resistance, and it can support multiple users in the same time slots.

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참고문헌

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