Dynamic Resource Allocation and Task Offloading for NOMA-Enabled IoT Services in MEC

Table 1

Notations.

Symbol	Description
	The set of IoT devices
	The set of BSs
	The set of channels
	Time slot length
	The CPU-cycle frequency for device of BS
	The CPU-cycle frequency constraint for devices
	The required CPU cycles to compute 1-bit data of device
	The effective switched capacitance of the CPU chip structure of device
	The number of data bits computed locally for device of BS
	The energy consumed of local computation for device of BS
	The amount of transmit power of device of BS on channel
	The transmission power constraint of devices
	The data transmission rate from device to BS
	The number of data bits transmitted from -th device to BS
	The energy consumption of data transmission from device to BS
	The interference for device caused by other devices of same BS on channel
	The interference for device caused by other devices of other BSs on channel
	The channel gain for device of BS on channel
	Queue length of -th device
	The trade-off parameter of queue length and energy consumption
	The bandwidth of the devices
	Total energy consumption of devices
	The set of devices transmitting tasks to BS on channel