Cooperative Edge Computing Task Offloading Strategy for Urban Internet of Things

Table 1

Symbol summary.

Symbol	Definition
	Total delay
	Total energy consumption
	The cost of end-user
	The price of CPU for the edge server
	The price of storage for the edge server
	The price of memory for the edge server
	The cost of edge service provider
	The price of other collaborative edge servers executing various types of resources
	The price of other collaborative smart devices executing various types of resources
	The satisfaction score of user
	The bidding price of the smart device
	The edge service provider’s resource price