Improving network lifetime by dynamic power control in ad hoc broadcast networks무선 Ad hoc 방송망에서의 동적 전력제어를 통한 네트웍 지속시간 연장에 관한 연구

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dc.contributor.advisorLee, Chae-Young-
dc.contributor.advisor이채영-
dc.contributor.authorMoon, Hyung-Chul-
dc.contributor.author문형철-
dc.date.accessioned2011-12-14T04:23:09Z-
dc.date.available2011-12-14T04:23:09Z-
dc.date.issued2004-
dc.identifier.urihttp://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=238287&flag=dissertation-
dc.identifier.urihttp://hdl.handle.net/10203/41730-
dc.description학위논문(석사) - 한국과학기술원 : 산업공학과, 2004.2, [ 48 p. ]-
dc.description.abstractThe efficient energy utilization in an ad hoc wireless broadcast network in which each mobile node has limited power supply is a critical issue. Existing energy-efficient algorithms show great performance in broadcast power saving, but they pay attention to only the energy saving, not energy utilization. As most mobile nodes are battery-operated, any node can be out of power until it is recharged. It will be crucial problem in civil or military situations that a battery-exhausted node cannot play a roll as a relay point any more and cause the communication failure in the designated broadcasting tree. In such a network, the algorithm that maximizes the energy utilization to extend the network lifetime is more important than the one that just minimize the overall power consumption. We present a novel power-efficient broadcast algorithm which effectively extends the network lifetime in this paper. The unbalance of power consumption (UPC) and the static power control are the main causes of shortening the network lifetime. And most algorithms for energy efficiency have those problems, so they are not that efficient in the network lifetime. Dominant Pruning by Dynamic Power control (DPDP) soothes the UPC with dynamic alternation of different powered relay nodes and use high battery-powered nodes for relaying with dynamic power control and it outperforms the other algorithms remarkably in network lifetime.eng
dc.languageeng-
dc.publisher한국과학기술원-
dc.subjectLIFETIME-
dc.subjectPOWER CONTROL-
dc.subjectBROADCAST-
dc.subjectAD HOC-
dc.subjectWIRELESS-
dc.subject무선-
dc.subject전력제어-
dc.subject지속시간-
dc.subject방송-
dc.subject애드혹-
dc.titleImproving network lifetime by dynamic power control in ad hoc broadcast networks-
dc.title.alternative무선 Ad hoc 방송망에서의 동적 전력제어를 통한 네트웍 지속시간 연장에 관한 연구-
dc.typeThesis(Master)-
dc.identifier.CNRN238287/325007 -
dc.description.department한국과학기술원 : 산업공학과, -
dc.identifier.uid020023210-
dc.contributor.localauthorLee, Chae-Young-
dc.contributor.localauthor이채영-
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