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

The Korean Institute of Commucations and Information Sciences (한국통신학회)
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Power Control Scheme Based on Non-Cooperative Game in a Heterogeneous Network

이종 네트워크에서의 비협력 게임 기반 전력 할당 기법

  • Bae, Insan (Inha University Information & Communication Engineering) ;
  • Lee, Jinnyoung (Inha University Information & Communication Engineering) ;
  • Jang, Sungjin (Inha University Information & Communication Engineering) ;
  • Kim, Jaemoung (Inha University Information & Communication Engineering)
  • 배인산 (인하대학교 정보통신공학과) ;
  • 이진녕 (인하대학교 정보통신공학과) ;
  • 장성진 (인하대학교 정보통신공학과) ;
  • 김재명 (인하대학교 정보통신공학과)
  • Received : 2014.10.29
  • Accepted : 2014.11.18
  • Published : 2014.11.28
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Abstract

We propose Femto-cell power control scheme in HeNet with Game Theory. The Femto-cell which provide high quality with low power is issued by many benefits, however there is a bunch of interferences when many Femto-cells use overlapped bandwidth with Macro-cell. We defined base station of cellular networks and mobile users as players of Game Theory, and configured interference effect among each other as power utility function. Futhermore, we showed enhanced overall system performance, lower power usage and interference decrease by using optimal power.

본 논문에서는 이종네트워크에서 펨토셀의 전력제어 기법을 게임이론을 이용해 정의한다. 저전력으로 고품질의 통신환경을 제공하는 펨토셀은 여러 장점으로 인해 최근 이슈화 되고 있지만 다수의 펨토셀 사용은 매크로셀과의 같은 채널을 사용함으로 인한 많은 량의 간섭으로 작용한다. 게임이론의 적용을 위해 셀룰러 네트워크의 기지국 및 사용자를 게임을 하는 플레이어로 설정하고 서로에게 미치는 간섭 영향을 전력 효용함수로 모델링 하였다. 또한 최적의 전력을 사용하여 시뮬레이션을 통한 저전력 사용, 간섭량 감소 그리고 시스템 전체 성능 향상을 확인하였다.

Keywords

References

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