Dynamic fine-grained localization in Ad-Hoc networks of sensors
Proceedings of the 7th annual international conference on Mobile computing and networking
IPTPS '01 Revised Papers from the First International Workshop on Peer-to-Peer Systems
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Proceedings of the 9th annual international conference on Mobile computing and networking
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IPSN '05 Proceedings of the 4th international symposium on Information processing in sensor networks
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We provide in this paper three algorithms that enable the sensor nodes of a Wireless Sensor Network (WSN) to determine their location in presence of neighbor sensors that may lie about their position. Our algorithms minimize the number of trusted nodes required by regular nodes to complete their process of localization. The algorithms always work for a given number of neighbors provided that the number of liars is below a certain threshold value, which is also determined.