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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,...
Supporting future large-scale vehicular networks is expected to require a combination of fixed roadside infrastructure (e.g. Road Side Units, RSU) and mobile in-vehicle technologies (e.g. On Board Units, OBU). The need for an infrastructure, however, considerably decreases the deployment area of VANET applications. In this paper, we propose a self-organizing mechanism to emulate a geo-localized virtual...
In an effort to develop a simulation framework for evaluating the performance of wireless access technologies for vehicular networks, the authors have studied the internal structure of the simulator, NS-2, as well as the draft wireless technology IEEE 802.11p. This intended framework aims at replicating, as far as possible, the access technology characteristics in the simulator and with the help of...
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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