1 results about "Central node" patented technology

The invention discloses a VANET trust model working method based on combination of a message type and trust value confidence. According to the invention, each node stores own communication history record and trust data, the idea of a distributed trust model is used, and a central node does not exist. In this way, network consumption can be reduced to cope with explosive data growth. According to the method, the credibility confidence coefficient is added into the model, and the influence of time attenuation and dishonest recommendation on the credibility is considered, so the credibility is more reliable. According to the method, decision making is carried out in combination with the message type, the trust degree and the trust degree confidence degree instead of only taking the trust degree as a basis during decision making, and the next-hop node is randomly selected for communication.