Incentive mechanism for distribution of messages in the Internet of vehicles based on evolutionary game
Due to the limited node resources in the VANETs,there are selfish vehicle nodes in the VANETs that are unwilling to forward messages,which seriously affects the network performance.In order to improve the network performance,this paper proposes an incentive mechanism for the cooperative distribution of VANETs messages based on evolutionary games,which utilizes the bounded rationality that nodes always pursue the maximum benefit.Based on the number of messages transmitted by nodes and the idleness of nodes in a fixed period of time,design a revenue function to guide selfish nodes to participate in the message transmission process in VANETs,and introduce roadside units as supervisors to accelerate the policy update process of vehicle nodes.The simulation results show that the higher the proportion of selfish nodes,the worse the network performance.The incentive mechanism proposed in this paper can effectively improve the network performance of VANETs with selfish nodes.
vehicular Ad hoc networksselfish nodeevolutionary gameincentiverevenue functionroadside unitspacket delivery rateaverage transmission delay