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

한국통신학회 (The Korean Institute of Commucations and Information Sciences)
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간섭 채널을 위한 통합 궤환 정보 설계

Joint Feedback Design for Interference Channel

  • 전기준 (연세대학교 전기전자공학과) ;
  • 변일무 (연세대학교 전기전자공학과) ;
  • 고병훈 (연세대학교 전기전자공학과) ;
  • 이두호 (연세대학교 전기전자공학과) ;
  • 이성로 (목포대학교 정보전자공학과) ;
  • 김광순 (연세대학교 전기전자공학과)
  • 투고 : 2012.08.13
  • 심사 : 2012.11.01
  • 발행 : 2012.11.30
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초록

본 논문에서 간섭 채널을 위한 통합 궤환 정보 설계 방법을 연구하였다. 다수의 송신단들은 궤환 정보 링크로 부터 획득한 부분 채널 상태 정보사용을 고려하여 기대 전송율을 최대화 할 수 있는 통합 궤환 정보 설계를 간단한 반복적 알고리즘을 통해서 제안하였다. 또한 모의실험을 통하여 기존의 궤환 설계 대비 제안한 통합 궤환정보 설계의 성능 이득을 보였다.

In this paper, we study joint feedback design for interference channel (IC). We develop a simple iterative algorithm for the joint feedback design to maximize the expected rate when the transmitters use partial channel-state information (CSI) obtained by the feedback link. Also, from the simulation result, we show that the performance gain is obtained compared to the conventional scheme.

키워드

참고문헌

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