Optimization Strategy of Task Offloading with Wireless and Computing Resource Management in Mobile Edge Computing

Table 1

Summary of key notations.

Notation	Description
	Set of SBSs
	Set of UEs in the coverage area of
	The task offloading decision
	The RB association strategy
	Computing resource allocation policy
	Set of RBs
	The bandwidth of every RB
	The offloading variable
	RB assigned variable
	The interference intensity
	The transmission power of
	The number of RBs assigned to
	The channel gain between and s
	Uplink data rate from to s
	Computational task of
	Input data of computation task
	Workloads of computation task
	Local computing capability of
	Local execution time of task
	Transmission time of task to the MEC server
	Execution time of task at the MEC server
	Energy consumption of when executing its task locally
	Energy consumption of when offloading its task
	Computing resources that the MEC server allocates to
	Computing resources of the MEC server
	Preference of on task completion time
	Preference of on task energy consumption
	User utility of
	The set of offloading UEs under each SBS
	The minimum rate requirement of
	User benefit matrix
	Channel benefit matrix