Latency-Aware Computation Offloading for 5G Networks in Edge Computing

Table 1

Symbols and corresponding descriptions.

Symbol	Description
ci,j	The number of CPU cycles required to execute ti,j
di,j	Input data volume of subtask ti,j
	The execution delay of the subtask ti,j in the local execution
	Transmission delay of subtask ti,j
	Execution delay of subtask ti,j after migration
fi	The computing power of the user's device ui
ri,j	Transmission rate between ui and ej
B	The bandwidth of the transmission channel
hi,j	Channel gain between user equipment i and edge server j
	Execution energy consumption of subtask ti,j executed locally
	Transmission energy consumption of subtasks
EST	The earliest start time when the subtask gets the execution
EFT	Earliest completion time of subtask execution