A 3d-localization and terrain modeling technique for wireless sensor networks
Proceedings of the 2nd ACM international workshop on Foundations of wireless ad hoc and sensor networking and computing
Passive localization using rotating anchor pairs in wireless sensor networks
Proceedings of the 2nd ACM international workshop on Foundations of wireless ad hoc and sensor networking and computing
Detecting proximity events in sensor networks
Information Systems
Camera localization in distributed networks using trajectory estimation
Journal of Electrical and Computer Engineering
Localization of Wireless Sensor Networks Using a Single Anchor Node
Wireless Personal Communications: An International Journal
Design and VLSI implementation of power efficient processor for object localisation in large WSN
International Journal of High Performance Systems Architecture
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The intrinsically location-aware applications of sensor networks and the need for location-based optimized routing make efficient and accurate location determination of sensor nodes essential. It is practically and economically infeasible to equip all sensor nodes with GPS receivers. A few GPS equipped anchors are therefore used to determine the location of sensor nodes in the field. Localization techniques which use lateration require at least k+1 anchors to compute the location of all the sensor nodes under their coverage area in a k dimensional plane. In a twodimensional plane, for example, sensor nodes which are not in the range of at least three anchor nodes cannot estimate their location. In sensor networks it is often difficult to set up three anchors to cover all sensor nodes. We propose a simple technique which requires only a single anchor node to determine the location of sensor nodes in a two-dimensional plane.