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The Analysis of CNFS Algorithm in Mobile Sensor Networks

S. Virushaba Doss, S. Raichal

Abstract


The introduction of mobile devices into wireless sensor network systems has attracted significant attention in recent years. Mobile devices can provide a bridging mechanism to connect geographically separated sensor networks, forming a global coverage sensing network. Closest Neighbor First Search (CNFS) algorithm has taken here for an efficient query processing for mobile sensor networks. It is a walk-based algorithm that is biased to visit nodes close to the source first which is accomplished by collecting topology information about the network. The mobility of a node causes some changes in the network topology that could otherwise cause the query to fail. Therefore CNFS requires fewer messages to process a query than flooding-based algorithms, while tolerating node mobility better than random walk-based algorithms. Its success rate is comparable to flooding-based algorithms in dense networks and slightly worse in sparse networks.

Keywords


Neighbor First Search, Wireless, Flooding Algorithm, Robust, Peer-Peer

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