A Localized Route Discovery for On-Demand Routing Protocols in Event-Driven Wireless Sensor Networks

Dong-Hyun CHAE, Kyu-Ho HAN, Kyung-Soo LIM, Sae-Young AHN, Sun-Shin AN

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Summary :

In this paper, the problem of Redundant Duplicated RREQ Network-wide Flooding (RDRNF), induced by multiple sensor nodes during route discovery in event-driven wireless sensor networks, is described. In order to reduce the number of signaling messages during the route discovery phase, a novel extension, named the Localized Route Discovery Extension (LRDE), to the on-demand ad hoc routing protocol, is proposed. The LRDE reduces energy consumption during route discovery. The heuristically and temporarily selected Path Set-up Coordinator (PSC) plays the role of a route request broker that alleviates redundant route request flooding. The LRDE also sets a route path be aggregation-compatible. The PSC can effectively perform data aggregation through the routing path constructed by the LRDE. The simulation results reveal that significant energy is conserved by reducing signaling overhead and performing data aggregation when LRDE is applied to on-demand routing protocols.

Publication
IEICE TRANSACTIONS on Communications Vol.E89-B No.10 pp.2828-2840
Publication Date
2006/10/01
Publicized
Online ISSN
1745-1345
DOI
10.1093/ietcom/e89-b.10.2828
Type of Manuscript
PAPER
Category
Network

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