A localization protocol with adaptive power control in wireless sensor networks

淡江大學機構典藏 > 工學院 > 資訊工程學系暨研究所 > 期刊論文 > Item 987654321/45293

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题名:	A localization protocol with adaptive power control in wireless sensor networks
作者:	Liao, Wen-Hwa;石貴平;Shih, Kuei-ping;Lee, Yu-Chee
贡献者:	淡江大學資訊工程學系
关键词:	localization;power control;wireless sensor networks
日期:	2008-06-25
上传时间:	2010-03-26 18:56:12 (UTC+8)
出版者:	Amsterdam: Elsevier BV
摘要:	Localization is an important topic in wireless sensor networks because sensor nodes are randomly scattered over a region and can get connected into a network on their own. Adjusting the transmission power levels has an important impact on energy efficiency and network lifetime in wireless sensor networks. in this work, we proposed a localization protocol with an adaptive power control in wireless sensor networks. Each node can transmit beacon packets at different power levels. Whenever a node receives beacon packets transferred at different power levels, it will adaptively select a beacon packet to estimate the distance to the landmark. When a sensor node has estimated the distances to three landmarks, it can compute for its location using triangulation. Simulation results showed that the proposed algorithm can improve the error rate of localization. (c) 2008 Elsevier B.V. All rights reserved.
關聯:	Computer Communications 31(10), pp.2496-2504
DOI:	10.1016/j.comcom.2008.03.020
显示于类别:	[資訊工程學系暨研究所] 期刊論文

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