To run computing-intensive and delay-sensitive applications on terminal devices with limited resources and to reduce system time delay and energy consumption
an edge cloud heterogeneous network model is constructed. In addition
a hierarchical particle swarm optimization with genetic algorithm (H-PSOGA) for multitasking offloading optimization is proposed for multitasking computational offloading through edge devices
such as drones
roadside units
and vehicles
as well as edge cloud servers. The H-PSOGA combines particle swarm and genetic algorithms in a serial and then parallel manner. The genetic algorithm is used to optimize the particle swarm through operations such as fitness value sequencing calculation
population selection
multipoint crossover
and reverse mutation to compensate for the defects in the particle swarm algorithm. These issues include premature convergence and local optima. The test analysis of six standard test functions and the result of simulation comparison with the baseline scheme show that with a large number of users
the average cost can be reduced by 26 % to 43 %
H-PSOGA can effectively improve convergence accuracy reduce system overhead.
IMT-2020(5G) Promotion Group. 5G Vision and Requirements White Paper[EB/OL ] . Beijing: IMT-2020(5G)Promotion Group. [2021-10-22 ] . http://www.imt2020.org.cn/zh/documents/1 http://www.imt2020.org.cn/zh/documents/1 .
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