In this chapter, we investigate multi-dimensional resource management for UAV-assisted MVNETs. To efficiently provide on-demand resource access, the MeNB and UAV, both mounted with MEC servers, cooperatively make association decisions and allocate proper amounts of resources to vehicles. First, we introduce an SADDPG-based scheme to centrally allocate the multi-dimensional resources by considering a central controller installed at the MeNB. Also, to avoid extra time and spectrum consumption on communications between MEC servers and a central controller, we formulate the resource allocation at the MEC servers as a distributive optimization problem with the objective of maximizing the number of offloaded tasks while satisfying their heterogeneous QoS requirements. Then, we solve the formulated distributive problem with an MADDPG-based method. Through centrally training the MADDPG model offline, the MEC servers, acting as learning agents, can rapidly make vehicle-server association and resource allocation decisions during the online execution stage. From our simulation results, the MADDPG-based method can converge within 200 training episodes, comparable to the SADDPG-based one. Moreover, the proposed SADDPG-based and MADDPG-based resource management scheme can achieve higher delay/QoS satisfaction ratios than the random scheme.


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    Titel :

    Aerial-Assisted Intelligent Resource Allocation


    Weitere Titelangaben:

    Wireless Networks


    Beteiligte:
    Peng, Haixia (Autor:in) / Ye, Qiang (Autor:in) / Shen, Xuemin Sherman (Autor:in)


    Erscheinungsdatum :

    24.02.2012


    Format / Umfang :

    33 pages





    Medientyp :

    Aufsatz/Kapitel (Buch)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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