Wuhan University Journal of Natural Sciences

, Volume 15, Issue 4, pp 303–307 | Cite as

Energy efficient beacon discovering scheme for node localization in wireless sensor networks

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Abstract

Efficient sensor node localization is a crucial part of many location-dependent applications that utilize wireless sensor networks (WSNs). To cope with the problem of insufficient beacon node for localization, we design a beacon discovery protocol in this paper that helps the blind node to find beacons nearby and present an energy efficient scheme for the beacon that receives the request from a blind node to adjust its radio range. We obtain the relationship between the mean energy consumption with adjustment number by the mathematical analysis. Numerical results show that great energy saving is achieved when the optimal adjustment number is adopted.

Key words

localization wireless sensor networks energy-efficient radio range adjustment 

CLC number

TP 393 
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Copyright information

© Wuhan University and Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  1. 1.School of ComputerWuhan UniversityWuhanHubei, China
  2. 2.Wuhan Digital Engineering Research InstituteWuhanHubei, China
  3. 3.Department of Computer ScienceHuazhong Normal UniversityWuhanHubei, China

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