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Location-based channel access protocols have been proposed as a means to broadcast safety related messages through inter-vehicle communications. The protocols divide the road into fixed-size cells and assign a channel to each cell. To broadcast, a vehicle would use the channel assigned to the cell it is currently traveling within. To improve bandwidth utilization, a vehicle may acquire channels dynamically...
The K-nearest neighbors (KNN) query has been of significant interest in many studies and has become one of the most important spatial queries in mobile sensor networks. Applications of KNN queries may include vehicle navigation, wildlife social discovery, and squad/platoon searching on the battlefields. Current approaches to KNN search in mobile sensor networks require a certain kind of indexing support...
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