Node self-localisation in large scale sensor networks

Abstract

Efficient collaborative self-localisation is a vital component of large scale sensor network applications. This paper presents a computationally efficient algorithm for performing this task using radio interferometric positioning. In this way it is possible to localise the nodes in the network without needing additional sensors. Simulation results show performance that is similar to that obtained with a centralised approach but with significantly lower computation and transmission costs. © 2007 IEEE.