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Grey Target Tracking and Self-Healing on Vehicular Sensor Networks

Author(s): Wang Yih-Fuh | Liu Lin-Lin

Journal: EURASIP Journal on Wireless Communications and Networking
ISSN 1687-1472

Volume: 2007;
Issue: 1;
Start page: 063503;
Date: 2007;
Original page

The wireless vehicular sensor network (VSN) has been very useful for many transportation application systems, but it does not operate like the traditional wireless sensor network. For safety reason, the vehicle-vehicle and vehicle-gateway communication modes must be stable. The motion of the vehicle, the environment of the roads, and other uncertain traffic conditions all pose challenges to the system. Therefore, how to keep link stability becomes an important issue. In this paper, we propose a scheme that uses grey target tracking to self-heal or reroute in advance the weak link on an alternative route as failure occurs and makes the whole vehicular sensor network more stable. Although this scheme increases the average latency and control overhead, it supports higher survivability and effective reflections on rerouting.

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