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.
Aerial-Assisted Intelligent Resource Allocation
Wireless Networks
2012-02-24
33 pages
Article/Chapter (Book)
Electronic Resource
English
Vehicular networks , Multi-access edge computing , Unmanned aerial vehicle , Multi-dimensional resource management , Single-agent DDPG , Multi-agent DDPG Engineering , Cyber-physical systems, IoT , Communications Engineering, Networks , Transportation Technology and Traffic Engineering , Computer Science
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