TY - GEN
T1 - Locate more sensors with fewer anchors in wireless sensor networks
AU - Ling, Hui
AU - Znati, Taieb
PY - 2008
Y1 - 2008
N2 - 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.
AB - 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.
UR - http://www.scopus.com/inward/record.url?scp=56749160065&partnerID=8YFLogxK
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U2 - 10.1007/978-3-540-88582-5_53
DO - 10.1007/978-3-540-88582-5_53
M3 - Conference contribution
AN - SCOPUS:56749160065
SN - 3540885811
SN - 9783540885818
T3 - Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
SP - 570
EP - 581
BT - Wireless Algorithms, Systems, and Applications - Third International Conference, WASA 2008, Proceedings
PB - Springer Verlag
T2 - 3rd International Conference on Wireless Algorithms, Systems, and Applications, WASA 2008
Y2 - 26 October 2008 through 28 October 2008
ER -