Locate more sensors with fewer anchors in wireless sensor networks

Hui Ling, Taieb Znati

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

In this paper, we propose to integrate Out-of-Range information with the multi-lateration scheme to resolve location ambiguities of unknown sensor nodes, which can not gain sufficient reference nodes information due to an insufficient number of reference nodes or low level of network density. The proposed scheme is based on the observation that, if a node, N1, is out of the transmission range of another node, N2, the distance between N1 and N2 must be larger than a given threshold value. This information, referred as "Out-of-Range" can then be used to eliminate location ambiguities of some unknown nodes in Wireless Sensor Networks (WSNs). The simulation results show that the proposed scheme can significantly increase the number of resolved sensor nodes, compared with multi-lateration schemes when the network connectivity is low. In contrast, when node density is high, the proposed scheme can discover the same number of nodes with a smaller number of anchor nodes.

Original languageEnglish
Title of host publicationWireless Algorithms, Systems, and Applications - Third International Conference, WASA 2008, Proceedings
PublisherSpringer Verlag
Pages570-581
Number of pages12
ISBN (Print)3540885811, 9783540885818
DOIs
Publication statusPublished - 2008
Externally publishedYes
Event3rd International Conference on Wireless Algorithms, Systems, and Applications, WASA 2008 - Dallas, TX, United States
Duration: Oct 26 2008Oct 28 2008

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume5258 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference3rd International Conference on Wireless Algorithms, Systems, and Applications, WASA 2008
Country/TerritoryUnited States
CityDallas, TX
Period10/26/0810/28/08

ASJC Scopus subject areas

  • Theoretical Computer Science
  • Computer Science(all)

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