In view of the various quality of service (QoS) requirements raised by the different applications of vehicular ad hoc networks (VANETs), the characteristic of communication capacity is vital for the design and implement of the Intelligent Transportation System (ITS). Although some scaling law-based results had already been obtained for VANETs to describe the general performance changing pattern when the total number of network nodes goes to infinity, they cannot be used directly to estimate the actual capacity of a communication pair or the entire network. To make up with this disadvantage, a interference-based capacity analysis is finished in this paper for the VANETs scenario. For representing the unique constraint of inter-vehicle distance, which directly affects both the signal and interference power decaying, the car-following model is used to describe the vehicles' mobility feature. Based on that, a series of probability characteristics are derived for a general interfering scenario, which finally leads to the expected VANET capacity. We believe the new results obtained in this paper will provide useful guidelines for the deployment of future VANETs.


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    Title :

    Analysis for interference-based capacity of vehicular ad hoc networks


    Contributors:
    Ni, Minming (author) / Yu, Jian (author) / Wu, Hao (author) / Zhong, Zhangdui (author)


    Publication date :

    2014-11-01


    Size :

    703049 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English






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