BFLP: An Adaptive Federated Learning Framework for Internet of Vehicles

Table 1

Notations and definitions.

Notation	Definition
	Hidden neural network of vehicles
	Hidden neural network of transportation department
	Updated parameters of RSU server
	The initialization set of parameters in two neural networks needed by RSU server
	Set of parameters in two neural networks needed by terrestrial node servers
	Function of updating in RSU server
	Public key of hidden neural network for the data sets of vehicles
	Public key of hidden neural network for the data sets of transportation
	Public key of RSU server
	Updated parameter returned to vehicles by RSU server
	Updated parameter returned to transportation department by RSU server
[·]	Fully homomorphic encryption function
	Set of parameters that the hidden neural network of vehicles sent to RSU server
	Set of parameters that the hidden neural network of transportation department sent to RSU server