基于TETRA的專用無線通信系統(tǒng)在城市軌道交通中的應(yīng)用
[Abstract]:Terrestrial trunked radio (Terrestrial Trunked Radio,TETRA) is one of the advanced digital wireless trunking communication systems. It represents one of the development directions of professional wireless scheduling systems. This paper is based on the TETRA of Changzhou rail transit wireless communication scheduling system research and discussion. This paper summarizes the basic concepts of TETRA, including system structure, technical characteristics, main features, working frequency band and networking mode. This paper analyzes the present situation of wireless communication of rail transit at home and abroad, and enumerates four examples of London Underground, New York Metro, Guangzhou Metro and Nanjing Metro to illustrate the feasibility and extensibility of the application of TETRA system in rail transit. This paper focuses on the preliminary design of the wireless communication system of Changzhou rail transit, and analyzes the situation of the wireless communication system of Changzhou rail transit from the aspects of system function, system scheme, system composition and main technical index of the system. According to the actual situation of Changzhou rail transit, this paper puts forward the choice of Dimetra IP digital trunking system as the network technical suggestion scheme, and improves the realizable secondary development system scheme, and highlights the technical description of the secondary development application program interface. This paper summarizes and prospects the application of wireless digital trunking system in rail transit. In this paper, the application of TETAR digital trunking system in rail transit is discussed based on the project of Changzhou rail transit wireless dispatching system. Therefore, the in-depth study of this paper not only has a higher use value, but also provides a reference for future specific projects.
【學(xué)位授予單位】:南京郵電大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2014
【分類號】:TN929.52
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