Rician fading 채널에서 협력통신을 위한 coded cooperation의 성능분석

Performance Analysis of Coded Cooperation over Rician Fading Channel

  • 이재영 (고려대학교 전자전기공학과) ;
  • 김성일 (고려대학교 전자전기공학과) ;
  • 임현호 (고려대학교 전자전기공학과) ;
  • 허준 (고려대학교 전기전자전파공학과)
  • 투고 : 2009.10.28
  • 심사 : 2010.02.19
  • 발행 : 2010.03.31

초록

본 논문에서는 협력통신을 위한 coded cooperation 시스템의 성능 분석을 기술한다. Coded cooperation은 user cooperation과 채널 부호의 결합된 프로토콜로서 기존의 coded cooperation의 연구는 주로 이동통신 환경을 고려한 Rayleigh fading 채널에서 이루어 졌다. 최근에 초고속 근거리 무선전송을 위한 60GHz 대역의 반송파를 이용한 연구가 활발해 지면서 Rician fading 채널 기반의 협력통신 분석에 대한 필요성이 제기되었다. 본 논문에서는 coded cooperation 시스템의 outage probability 성능과 bit error probability의 성능을 Rician fading 채널에서 분석하고 Rayleigh fading 채널에서와 같이 다이버시티 오더 값이 2로 유지됨을 보인다.

In this paper, we derive the performance analysis of the coded cooperation over a Rician fading channel. A new scheme called coded cooperation was suggested by using user cooperation and channel codes simultaneously. In previous works, it was verified that the coded cooperation schemes have better performance than other relay schemes in a Rayleigh fading channel. However, the high speed short range indoor wireless communication system has recently attracted research attention and its channel with very high carrier frequency(60GHz) can be typically modeled as a Rician fading channel. We derive analytical outage probabilities and bit error probabilities of the coded cooperation over the Rician fading channel and prove it to have full diversity order.

키워드

참고문헌

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