Computation Offloading in Multi-Access Edge Computing Networks: A
Multi-Task Learning Approach
- URL: http://arxiv.org/abs/2006.16104v1
- Date: Mon, 29 Jun 2020 15:11:10 GMT
- Title: Computation Offloading in Multi-Access Edge Computing Networks: A
Multi-Task Learning Approach
- Authors: Bo Yang, Xuelin Cao, Joshua Bassey, Xiangfang Li, Timothy Kroecker,
and Lijun Qian
- Abstract summary: Multi-access edge computing (MEC) has already shown the potential in enabling mobile devices to bear the computation-intensive applications by offloading some tasks to a nearby access point (AP) integrated with a MEC server (MES)
However, due to the varying network conditions and limited computation resources of the MES, the offloading decisions taken by a mobile device and the computational resources allocated by the MES may not be efficiently achieved with the lowest cost.
We propose a dynamic offloading framework for the MEC network, in which the uplink non-orthogonal multiple access (NOMA) is used to enable multiple devices to upload their
- Score: 7.203439085947118
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: Multi-access edge computing (MEC) has already shown the potential in enabling
mobile devices to bear the computation-intensive applications by offloading
some tasks to a nearby access point (AP) integrated with a MEC server (MES).
However, due to the varying network conditions and limited computation
resources of the MES, the offloading decisions taken by a mobile device and the
computational resources allocated by the MES may not be efficiently achieved
with the lowest cost. In this paper, we propose a dynamic offloading framework
for the MEC network, in which the uplink non-orthogonal multiple access (NOMA)
is used to enable multiple devices to upload their tasks via the same frequency
band. We formulate the offloading decision problem as a multiclass
classification problem and formulate the MES computational resource allocation
problem as a regression problem. Then a multi-task learning based feedforward
neural network (MTFNN) model is designed to jointly optimize the offloading
decision and computational resource allocation. Numerical results illustrate
that the proposed MTFNN outperforms the conventional optimization method in
terms of inference accuracy and computation complexity.
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