Dynamic Task Offloading for NOMA-Enabled Mobile Edge Computing with Heterogeneous Networks

Table 1

Notations.

Symbol	Description
	The set of SBSs
	A set of IoT devices within the service area of SBS .
	The length of time slot
	The transmit power of
	The channel power gain of IoT device
	The CPU cycle frequency of the IoT device
	The channel power gain of SBS
	The transmit power of SBS
	The data offloading rate of IoT device
	The amount of tasks generated by IoT device
	The amount of tasks processed locally by IoT device
	The amount of offloaded tasks for IoT device
	The amount of tasks from the IoT device processed locally by SBS
	The amount of tasks from the IoT device that SBS offloads to the MBS
	The task backlog of the local computing queue of IoT device
	The task backlog of the local offloading queue of IoT device
	The task queue backlog that IoT device offloads to SBS
	The IoT device within the service area of SBS