Deployment of massive machine type communication devices (MTCDs) in the LTE-A network may incur signaling and traffic congestion during the random access (RA) and uplink scheduling. To overcome these problems, a grouping based RA and uplink scheduling scheme is proposed in this paper. The group leader will initiate RA and apply for the uplink transmission resources on behalf of the group members. Specifically, a second group paging scheme is designed to further reduce the access delay and increase the access probability. Implementation details are described in a practical LTE-A system and simulations prove that our proposed approach outperforms the traditional methods with respect to the access probability, access time delay, collision probability and fairness.


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    Title :

    Grouping Based Uplink Resource Allocation for Massive M2M Communications over LTE-A


    Contributors:
    Xu, Shaoyi (author) / Li, Junlong (author) / Qin, Xintao (author)


    Publication date :

    2017-09-01


    Size :

    341013 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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