| Publisher | Academy Publisher | ||
|---|---|---|---|
| Format | 467.7KB PDF | Date added | 01 May 2006 |
| Topics | Software Engineering, Mobile - Wireless Communications | ||
| Downloads | 2 | ||
This paper describes a novel localization algorithm for ad hoc wireless sensor networks. Accurate self-organization and localization capability is a highly desirable characteristic of wireless sensor networks. Many researchers have approached the localization problem from different perspectives. A major problem in wireless sensor network localization is the flip ambiguity, which introduces large errors in the location estimates. This paper proposes a two phase localization method based on the simulated annealing technique to address the issue. Simulated annealing is a technique for combinatorial optimization problems and unlike the gradient search method, it is robust against being trapped into local minima. This paper shows that the simulated annealing based localization method can be used in ad hoc wireless sensor networks to estimate the location of nodes accurately.
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