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A Voronoi-Trajectory Based Hybrid Routing (VTBR) Algorithm for Wireless Ad Hoc Networks with Obstacles

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3 Author(s)
Di Di ; Dalian University of Technology, China ; Qu Yan ; Chi Zhongxian

Position based routing methods can construct effective routes; however, in some topologies with obstacles, such algorithms may end in failure. In order to avoid stationary obstacles, this paper presents a Voronoi-trajectory based hybrid routing (VTBR) algorithm that combines both proactive and reactive routing strategies to provide high routing performance. If the destination node is within the source node’s two-hop range, then the source will consult the routing table to determine the route. When the destination is beyond that range, the source establishes a trajectory which is the set of points of the shortest obstacle-avoiding path. The intermediate nodes take the forwarding decision based on the relationship to the trajectory. Eventually, an example and simulation experiments are conducted to validate and evaluate the performance of VTBR. Our simulation results show that the proposed algorithm makes it possible to successfully construct the routes.

Published in:

Parallel and Distributed Computing, Applications and Technologies, 2005. PDCAT 2005. Sixth International Conference on

Date of Conference:

05-08 Dec. 2005