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To restore the performance of the system due to the failure of a BS, we propose a hybrid vehicular communication system which introduces a novel double cluster head (DCH) routing scheme. Using vehicular traces from loop Ids on the M4 motorway in the UK, the performance of the system is evaluated and compared with the single cluster head (SCH) routing scheme under different configurations. Even though,...
The past few years have seen an increasing interest in the development of vehicular ad hoc networks resulting in many routing protocols proposals. This paper presents the results of a detailed performance evaluation of three of these protocols selected from different categories: geographic routing (i.e., GPSR), geographic opportunistic routing (i.e., GOSR), and trajectory based routing (i.e., SIFT)...
Vehicular ad hoc networks (VANETS) are self-organizing communities of wheeled mobile units consisting of large numbers of trucks, cars, buses and a small number of static infrastructure nodes such as traffic signals, highway rail grade crossings, and informational signage within radio communication range to each other. VANET is a promising approach for facilitating road safety, traffic management,and...
Traffic congestion on major roadways costs our nation billions of dollars in lost earnings, wasted fuel consumption, injury and loss of human life. Providing motorists with real time roadway conditions is essential to mitigating traffic congestion. We propose a novel real-time messaging system that can be used to communicate imminent traffic conditions to motorists. Having such information can allow...
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