Optimum frequency reuse patterns for roadside base station to vehicle communications in Intelligent Vehicle/Highway Systems (IVHS) are determined based on optimal delay/throughput and packet erasure rates for BPSK transmission over narrowband dispersive Rician channel with ISI and (Rayleigh-faded) co-channel interference. For fixed cluster size and fixed total system bandwidth, a reuse pattern of 2 for continuously transmitting (hence interfering) base stations gives minimum average delay and maximum spectrum efficiency: this is a denser pattern than suggested for highway cellular telephony networks. Spectrum efficiency is enhanced by using a dynamic cluster size which depends on the distance from the base station, taking advantage of the IVHS environment where vehicle position may be known.


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    Title :

    Packet-switched roadside base station to vehicle communication for intelligent vehicle/highway systems


    Additional title:

    Paketvermittelte Straßenrandbasisstationen zur Fahrzeugkommunikation für intelligente Fahrzeug/Straßensysteme


    Contributors:


    Publication date :

    1994


    Size :

    4 Seiten, 5 Bilder, 1 Tabelle, 8 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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