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GPS-free-free positioning system for wireless sensor networks

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4 Author(s)

Positioning systems are important components of many communication architectures. The traditional global positioning system (GPS) is impractical in many situations, which makes the need for relative measurement-based approaches. Existing relative solutions lead to good results but generally require that nodes are embedded with specific capabilities. in this paper, we propose GPS-free-free, a simple positioning system based on distances in number of hops between nodes. GPS-free-free make very loose assumptions (only neighborhood discovery) and does not require the computation of complex algorithms. We show through simulations that GPS-free-free leads to good placement results at very low signaling over-head.

Published in:

Wireless and Optical Communications Networks, 2005. WOCN 2005. Second IFIP International Conference on

Date of Conference:

6-8 March 2005