Multiple Local-Edge-Cloud Collaboration Strategies in Industrial Internet of Things: A Hybrid Genetic-Based Approach

Table 1

Parameter table.

Symbol	Define	Value
	Uplink bandwidth (MHz)	9
	Downlink bandwidth (MHz)	9
	Transmitted power of the AGV (W)	0.3
	Receiving power of the AGV (W)	0.15
R	Maximum communication distance (m)	75
	Wireless link path loss factor	2
	Fading factor of wireless link channel	4
	White noise power level
	moving rate (m/s)	0.5
	The computing ability of the AGV (cycle/s)
	The AGV computing power (W)	1.5
	The AGV waiting power (W)	0.1
	Computing ability of the edge server (cycle/s)
	Ratio of the amount	0.4
	Data transfer rate of task migration (Mbps)	100
	Data transfer rate (Mbps)
	Computing ability of the cloud center (cycle/s)
	The amount of computation (cycle/bit)	20
	The amount of task data (MB)	100-200
	The execution time of a single task (ms)	50
N	Maximum number of computing tasks	25