This paper studies the resource allocation (RA) problem when the in- band device-to-device (D2D) technology is applied to support vehicle-to-vehicle (V2V) communications. Conventional D2D RA normally demands a sufficient level of channel knowledge to reach the optimal performance. But in vehicular communication environments, this would require tremendous signalling overhead and the acquired channel knowledge is easily outdated. Therefore, RA relying only on geographic information is more feasible. To this end, we propose a novel location-partition-based RA scheme. We first divide the cell coverage area and road into small zones, the geographic information of which is stored in a database. Satisfying the requirement that the interference generated by all V2V links to the reused cellular user (CU) is below a certain threshold, an interference matrix that reflects the interference from nodes in cell zones to road zones is established. Three types of power control methods are adopted to maximize the minimum achievable rate of the V2V links. A series of simulations are conducted to verify the performance of our proposed RA solution. The results show that our method can improve the minimum achievable rate compared with conventional location-based RA methods. The impact of different system parameters are also carefully analyzed.


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    Title :

    Location-Partition-Based Resource Allocation in D2D-Supported Vehicular Communication Networks


    Contributors:
    Wu, Meiyan (author) / Ren, Yi (author) / Wang, Ping (author) / Wang, Chao (author) / Ji, Yusheng (author)


    Publication date :

    2018-06-01


    Size :

    585212 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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