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

The Korean Institute of Commucations and Information Sciences (한국통신학회)
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Joint Feedback Design for Interference Channel

간섭 채널을 위한 통합 궤환 정보 설계

  • 전기준 (연세대학교 전기전자공학과) ;
  • 변일무 (연세대학교 전기전자공학과) ;
  • 고병훈 (연세대학교 전기전자공학과) ;
  • 이두호 (연세대학교 전기전자공학과) ;
  • 이성로 (목포대학교 정보전자공학과) ;
  • 김광순 (연세대학교 전기전자공학과)
  • Received : 2012.08.13
  • Accepted : 2012.11.01
  • Published : 2012.11.30
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Abstract

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.

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.

Keywords

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