The rapidly expanding technology of portable personalized computing devices and wireless data networks has given mobile users the capability of accessing multimedia data. In addition, Auto PC by Microsoft Corp., Connected Car PC by Intel Corp., and so on have been announced as platforms of in-vehicle computer systems. The common problems of these systems are network connectivity and bandwidth between mobile hosts and fixed hosts. We propose STRAP, a spatio-temporal resource allocation protocol, to allocate resources on base stations or networks along the route according to mobility specification; a schedule that a mobile host is assumed to travel. The concrete target system we have considered is a vehicle navigation system and ITS (Intelligent Transport Systems) communication network. We simulated the protocol on a model close to the real road traffic environment in comparison with the existing two protocols; a broadcast method and the geographic transfer model. Although the broadcast method is the best in the case that all mobile hosts request the common information, the efficiency of STRAP is 2.5 times as good as the geographic transfer model when each mobile host needs the respective data.


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    Title :

    STRAP: spatio-temporal resource allocation protocol with mobility specification


    Additional title:

    Titel japanisch


    Contributors:
    Sato, K. (author) / Saisho, K. (author) / Fukuda, A. (author)


    Publication date :

    1999


    Size :

    9 Seiten, 18 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    Japanese




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