Journal of Korea Multimedia Society (한국멀티미디어학회논문지)

Korea Multimedia Society (한국멀티미디어학회)
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A Power Aware QoS Routing in Multimedia Ad-hoc Networks

멀티미디어 Ad-hoc 네트워크에서의 전력인지 QoS 라우팅

  • 김윤도 (부경대학교 컴퓨터공학과) ;
  • 서경룡 (부경대학교 컴퓨터공학과)
  • Received : 2009.05.07
  • Accepted : 2009.10.06
  • Published : 2010.02.28
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Abstract

In the Ad-hoc networks, the limitation on the availability of power for operation is a significant bottleneck, given the requirements of portability, weight, and size of mobile devices. Hence, the use of routing metrics that consider the capabilities of the power sources of the network nodes contributes to the efficient utilization of energy. This paper presents a QoS routing protocol that minimize the power consumed by a packet in traversing from source node to the destination node. Results obtained of simulation show that, with our approach we can reduce the power consumption of nodes and increases the life time of the network.

Ad-hoc 네트워크를 구성하는 정보단말노드 의 가용전력은 노드의 크기나 무게 등의 제약에 따라 제한을 받게 되는데 이는 네트워크에서의 심각한 제약조건이 된다. 따라서 노드간의 전송경로를 구성할 때 효율적인 전력소비를 고려할 수 있도록 노드의 전력조건을 고려하여야 한다. 본 논문에서는 멀티미디어 데이터 전송에 필요한 대역폭 요구조건을 만족하면서 소스노드로부터 목적노드까지의 전송에 필요로 하는 전력소비를 최소화 하는 QoS 라우팅 프로토콜을 제안한다. 제안된 라우팅 방식의 성능을 시뮬레이션으로 평가하여 노드의 전력소모를 줄이고 네트워크 수명 이 기존의 QoS 라우팅에 비교하여 개선되었음을 확인하였다.

Keywords

References

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