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Power-Aware Dynamic Source Routing in Wireless Ad-hoc Networks  

정혜영 (삼성전자 연구원)
신광욱 (한국과학기술원 전자전산학과)
임근휘 (삼성전자 연구원)
이승학 (한국과학기술원 전자전산학과)
윤현수 (한국과학기술원 전자전산학과)
Publication Information
Journal of KIISE:Information Networking / v.31, no.5, 2004 , pp. 519-531 More about this Journal
Abstract
Ad-hoc networks are temporary wireless systems composed of mobile nodes without any fixed infrastructure. The life time of each node in the ad-hoc network significantly affects the life time of whole ad-hoc network. A node which drained out its battery may incur the partition of whole network in some network topology The life time of each node depends on the battery capacity of each node. Therefore if all mobile nodes in the network live evenly long, the life time of the network will be longer. In this paper, we propose Power-Aware Dynamic Source Routing (PADSR) which selects the best path to make the life time of the network be longer. In PADSR, when a source node finds a path to the destination node, it selects the best path that makes nodes in the network live evenly long. To find the best path, PADSR considers the consumption of transmission energy and residual battery capacity of nodes upon the path. Consequently the network lives longer if we use PADSR.
Keywords
wireless ad hoc networks; power-aware; routing protocol; dynamic source routing;
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