Journal of the Institute of Electronics and Information Engineers (전자공학회논문지)

The Institute of Electronics and Information Engineers (대한전자공학회)
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Downlink Power Allocation Technique for Inter-User Interference Management in Multi-User Multiple-Input Multiple-Output System

다중 사용자 다중 안테나 시스템에서 단말 간 간섭 제어를 위한 하향 링크 전력 할당 기법

  • Kwon, Kuhyung (Department of Electrical and Electronic Engineering, Yonsei University) ;
  • Na, Hyunjong (Department of Electrical and Electronic Engineering, Yonsei University) ;
  • Kim, Jin Min (LG Electronics Advanced Communication Technology R&D Lab.) ;
  • Lee, Chungyong (Department of Electrical and Electronic Engineering, Yonsei University)
  • Received : 2014.08.10
  • Accepted : 2014.10.01
  • Published : 2014.10.25
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Abstract

In full-duplex wireless communication, spectral efficiency can be improved over half-duplex communication system. In this paper, we consider full-duplex multiple-user (MU) multiple-input multiple-output (MIMO) system in which inter-user interference may degrade the performance of the full-duplex system. We propose a downlink power allocation technique at base station that can maximize the spectral efficiency only with the statistical information about the inter-user interference channel.

전이중 무선 통신 시스템은 반이중 통신 시스템에 비해 향상된 대역폭 효율을 얻을 수 있다. 전이중 방식의 다중 사용자 다중 안테나 시스템에서는 단말 간 간섭에 의한 성능 열화 문제가 발생한다. 본 논문에서는 단말 간 간섭 채널의 통계적 정보만을 이용하여 시스템의 대역폭 효율을 최대화하는 하향 링크 전력 할당 기법을 제안한다.

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References

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