Hao Wu: Vanet Multicast Routing for Congestion Control Oriented Traffic Flow Wsn

Security data fusion is fundamental and essential for intelligent traffic systems. A dynamic data fusion scheme is proposed to guarantee the security and accuracy of sensed data. It is used to collect and manage multi-source traffic messages. It improves K-neighbor nonparametric regression method on the basis of repeated occurrence feature of traffic flow state mode. Double-screening for neighbors is adopted, and identification function based on state mode is introduced and traffic flow of past time frame and traffic flows of related turning at upstream junction and downstream junction are considered in algorithm. This helps to improve capacity prediction of K-neighbor nonparametric regression. Final prediction result is given by the weighted average method of match distance reciprocal on the basis of state mode vector, thus prediction of short-time traffic flow becomes more accurate in real-time. Keywordsintelligent traffic; wireless senor network; data fusion; multicast routing; vanet