DOI QR코드

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무선 멀티 홉 네트워크에서 VoIP 서비스를 위한 효율적인 패킷 결합 기법

Energy-Efficient Packet Aggregation Scheme for VoIP Service in Wireless Multi-Hop Network

  • 정지영 (중앙대학교 전자전기공학과 통신정보시스템 연구실) ;
  • 강현식 (중앙대학교 전자전기공학과 통신정보시스템 연구실) ;
  • 이정륜 (중앙대학교 전자전기공학부)
  • 투고 : 2012.02.21
  • 심사 : 2012.07.17
  • 발행 : 2012.08.31

초록

본 논문에서는 무선 멀티 홉 네트워크에서 VoIP 서비스를 만족하면서, 각 노드들의 에너지 소모를 줄일 수 있는 패킷 결합 개수($c_{PA}$)를 정하는 비용함수를 도출하였다. 이를 위해 무선 멀티 홉 환경에서 패킷 결합 개수에 따른 종단 간 지연과 패킷 손실률이 R-factor에 미치는 영향과 네트워크상에서 송수신 하는 모든 단말기의 에너지 소비에 미치는 영향을 분석하고, 무선 멀티 홉 환경에서 VoIP 패킷들을 효율적으로 전송하기 위한 방안을 제시하기 위해 앞에서 유도한 R-factor값(R)과 에너지 소모(E)간의 트레이드오프 관계를 비용 함수로 표현하였다.

This paper proposes packet aggregation scheme for considering energy consumption of mobile devices on guaranteeing quality of voice. To our purpose, we analyze VoIP service on wireless multi-hop channel in terms of delay, packet loss and energy consumption when packet aggregation scheme is applied to VoIP service. Moreover, we induce a cost function with considering of tradeoff relation between quality of voice and energy consumption.

키워드

참고문헌

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