Reference : Computation offloading and resource allocation for backhaul limited cooperative MEC s...
Scientific congresses, symposiums and conference proceedings : Paper published in a book
Engineering, computing & technology : Electrical & electronics engineering
Computational Sciences
Computation offloading and resource allocation for backhaul limited cooperative MEC systems
Nguyen, Duy Phuong []
Ha, Vu Nguyen mailto [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom >]
Le, Long Bao []
2019 IEEE 90th Vehicular Technology Conference (VTC2019-Fall) proceedings
Honolulu, Hawaii
IEEE 90th Vehicular Technology Conference (VTC2019-Fall)
from 22-09-2019 to 25-09-2019
[en] cloud computing ; resource allocation ; computation offloading
[en] In this paper, we jointly optimize computation offloading and resource allocation to minimize the weighted sum of energy consumption of all mobile users in a backhaul limited cooperative MEC system with multiple fog servers. Considering the partial offloading strategy and TDMA transmission at each base station, the underlying optimization problem with constraints on maximum task latency and limited computation resource at mobile users and fog servers is non-convex. We propose to convexify the problem exploiting the relationship among some optimization variables from which an optimal algorithm is proposed to solve the resulting problem. We then present numerical results to demonstrate the significant gains of our proposed design compared to conventional designs without exploiting cooperation among fog servers and a greedy algorithm.

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