Abstract
The paper covers the application of Radio Frequency IDentification (RFID) technology in road traffic management with regard to vehicle identification. Various infrastructure configurations for Automated Vehicle Identification (AVI) have been presented, including configurations that can be used in urban traffic as part of the Smart City concept. In order to describe the behavior of multiple identifications of moving vehicles, an operation model of the dynamic identification using RFID is described. While it extends the definition of the correct work zone, this paper introduces the concept of dividing the zone into sections corresponding to so-called inventory rounds. The system state is described using a set of matrices in which unread, read, and lost transponders are recorded in subsequent rounds and sections. A simplified algorithm of the dynamic object identification system was also proposed. The results of the simulations and lab experiments show that the efficiency of mobile object identification is conditioned by the parameters of the communication protocol, the speed of movement, and the number of objects.
Highlights
Managing vehicle traffic in urban areas is a challenge
Due to the cyclical operation of the system and the necessary simplifications conditioning the development of an effective model, it has been assumed that the transponder movement in the power supply zone is abrupt—the transponders enter subsequent sections, stop, and after a certain duration of the round, they are transferred to the sections, after which the whole process is repeated
Automatic identification processes in road traffic and transport increasingly require the use of modern radio identification methods
Summary
Managing vehicle traffic in urban areas is a challenge. It concerns the shaping of road infrastructure in such a way that traffic flows smoothly, and the introduction of solutions that make the route of traffic channels more flexible and make their course dependent on dynamic events occurring on the road. The identification procedure takes some finite time, which depends on the parameters of the communication protocol, such as the transmission rate from the RFID reader device to the RFID transponders and vice versa, the type of digital encoding used, etc. These factors make the identification of moving objects, such as vehicles, not obvious. Dynamic identification of many vehicles in motion requires a special approach, so the following Section 6 introduces the assumptions of the model of such a system, taking into account a dynamic interrogation zone.
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