ITS (intelligent transport system) has become a popular theme of research nowadays to solve traffic problems such as traffic congestion, accidents and environmental deterioration. For example, advanced in-car navigation systems, Auto PC by Microsoft Corp., Connected Car PC by Intel Corp., and so on have become a platform of in-vehicle computer systems with mobile communication capability. A common mobile communication method of these systems is a cellular phone network; however, broader bandwidth communications, such as infrared beacons in VICS, and ETC, have already been available. Since the faster communication methods have an uneffective problem because of the small-size cell, we have proposed STRAP; a Spatio-Temporal Resource Allocation Protocol, to address the network problems with some information managed by in-vehicle computer systems. This protocol is to allocate resources on some of the base stations or networks for a specific period of time, according to a schedule that a mobile host is assumed to travel. We supplement STRAP for robustness in case of deviations from the schedule and make it clear that the extended STRAP is useful by using simulation on the model close to the road traffic environment in comparison with existing protocols; the broadcast method and the geographic multicast method.
Evaluation of a road-vehicle communication protocol with mobility specification by simulation
Titel japanisch
Transactions of the Information Processing Society of Japan ; 40 , 10 ; 3792-3800
1999
9 Seiten, 24 Quellen
Article (Journal)
Japanese
Off-Road Vehicle Mobility Evaluation
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STRAP: spatio-temporal resource allocation protocol with mobility specification
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