The invention discloses an Internet of Vehicles information age optimization method and
system based on graph
reinforcement learning, and the method comprises the steps: firstly constructing a batch modeling and limited buffering
queue structure of a vehicle state, carrying out the modeling of
perception data into a multi-data-packet batch, and carrying out the
queue management; modeling V2V link topology by using a graph neural network, and extracting large-scale channel embedding representation reflecting a topological structure; a multi-agent
reinforcement learning system based on a centralized training distributed execution framework is constructed, each agent makes a decision according to a local state containing
graph embedding features, a mixed action space is output, and an AoI opposite number of a receiving end is used as a reward; a
graph embedding supervision
mechanism based on a dominant function is introduced, so that topological features are aligned with a long-term optimization target; and network parameters are updated through multiple rounds of training, and finally, autonomous optimization control of each agent on
packet loss and power is realized. According to the invention, data packet
queue management and
wireless resource allocation can be effectively coordinated, and efficient and low-overhead AoI minimization is realized in a complex dynamic topology environment.