Efficient three-stage auction schemes for cloudlets deployment in wireless access network
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Cloudlet deployment and resource allocation for mobile users (MUs) have been extensively studied in existing works for computation resource scarcity. However, most of them failed to jointly consider the two techniques together, and the selfishness of cloudlet and access point (AP) are ignored. Inspired by the group-buying mechanism, this paper proposes three-stage auction schemes by combining cloudlet placement and resource assignment, to improve the social welfare subject to the economic properties. We first divide all MUs into some small groups according to the associated APs. Then the MUs in same group can trade with cloudlets in a group-buying way through the APs. Finally, the MUs pay for the cloudlets if they are the winners in the auction scheme. We prove that our auction schemes can work in polynomial time. We also provide the proofs for economic properties in theory. For the purpose of performance comparison, we compare the proposed schemes with HAF, which is a centralized cloudlet placement scheme without auction. Numerical results confirm the correctness and efficiency of the proposed schemes.
KeywordsCloudlet Auction Mobile cloud computing Incentive mechanism Resource allocation
This work was supported by the National Natural Science Foundation of China under Grant Nos. 61702115 and 61672171, by the Major Research Project of Educational Commission of Guangdong Province under Grant No. 2016KZDXM052, and the China Postdoctoral Science Foundation Fund under Grant No. 2017M622632.
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