期刊
SENSORS
卷 23, 期 2, 页码 -出版社
MDPI
DOI: 10.3390/s23020768
关键词
industrial Internet of things; fourth industrial revolution; intelligent transportation system; traffic density estimation; traffic efficiency; Markov model; connected vehicle; vehicle to everything; dedicated short-range communication; long-term evaluation
An intelligent transportation system (ITS) integrates innovative sensing, control, and communications technologies to improve traffic efficiency. The merging of the industrial Internet of things (IIoT) and Industrial Revolution 4.0 resulted in the design of IIoT-ITS. IIoT sensing technologies are crucial for acquiring raw data, and the application manages traffic flows effectively based on various parameters. Traffic density estimation (TDE) is an important derived parameter to track the dynamic state of traffic volume. This research paper investigates TDE techniques and presents a novel Markov model-based approach for ITS.
An intelligent transportation system (ITS) aims to improve traffic efficiency by integrating innovative sensing, control, and communications technologies. The industrial Internet of things (IIoT) and Industrial Revolution 4.0 recently merged to design the industrial Internet of things-intelligent transportation system (IIoT-ITS). IIoT sensing technologies play a significant role in acquiring raw data. The application continuously performs the complex task of managing traffic flows effectively based on several parameters, including the number of vehicles in the system, their location, and time. Traffic density estimation (TDE) is another important derived parameter desirable to keep track of the dynamic state of traffic volume. The expanding number of vehicles based on wireless connectivity provides new potential to predict traffic density more accurately and in real time as previously used methodologies. We explore the topic of assessing traffic density by using only a few simple metrics, such as the number of surrounding vehicles and disseminating beacons to roadside units and vice versa. This research paper investigates TDE techniques and presents a novel Markov model-based TDE technique for ITS. Finally, an OMNET++-based approach with an implementation of a significant modification of a traffic model combined with mathematical modeling of the Markov model is presented. It is intended for the study of real-world traffic traces, the identification of model parameters, and the development of simulated traffic.
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