An Energy-Aware Task Offloading Mechanism in Multiuser Mobile-Edge Cloud Computing

Table 1

Important notations.

Symbol	Definition
	Mobile IoT device set
	Wireless channel set
	The information of task on the device i
	The computing workload of the task i
	The data size for communication of the task i
	The computing capacity required for the task i
	The computation capacity allocated from the cloud
	The data transmission power of the device i
	The idle power of the device i
	The channel gain
	The offloading decision
	The bandwidth of the channel j
	The transmission rate of the mobile device i
	Local completion time of the task i
	The cloud processing delay of the task i
	Local processing energy consumption
	The data transmission power consumption of the task i
	The idle power consumption of the mobile device i
	The total offloading energy consumption of the mobile device