United States Department of Transportation
i
Communication, storage, and processing load requirements of alternative intelligent vehicle highway systems architectures
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1993-05-01
[PDF-1.75 MB]
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Abstract:The MlTRE Corporation is supporting the Federal Highway Administration (FHWA) in
the development of a national architecture for Intelligent Vehicle Highway Systems (IVHS).
This report examines the communication, processing, and storage load requirements of
alternative IVHS architectures. The architectures are characterized by the location of the
route selection function, the vehicle-infrastructure communication system, and the degree
of coupling between route selection and traffic control. The study methodology involves
defining communication messages, estimating traffic and communication system parameters,
and estimating message lengths and transmission frequencies. The results of sensitivity
analyses conducted highlight the dependence of the load requirements on vehicle traffic and
communication system parameters. The message definitions provide a starting point for
developing message standards. The analysis is based on five potential architectures that
were examined in An Initial Evaluation of Alternative Intelligent Vehicle Highway Systems
Architectures (MTR-92WO63).
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