The Design And Implement Message Distribution System Based On ADS-B In ATN

In recent years, with the rapid growth of air traffic, communications and navigation system suffers severe pressure. To solove these issues, ICAO plans and designs a new generatiom Aeronautical Telecommunications Network, refers to ATN. ATN ,a new generation aeronautical telecommunications network,was suggested to implement by ICAO at the beginning of this century. ATN is not a new underlying communication network, but a unified data transmission network achieved by a variety of data subnet, is the world's aviation air-ground integration, dedicated to communication network, can provide safe, reliable and efficient aeronautical communications services.The message distribution between aircraft and ground station is always a hot research in ATN,this paper is mainly design and implement the message distribution system based ADS-B in ATN.In this paper, I read a lot of references, do a thorough research in the mobile switching technology. According to this,I make a improvement, applicates it to the ATN network, achieving an accurate , fast forwarding. The main work of this paper is as follows:(1) Because the unique of the ATN network, low-flying aircraft sometimes flies into the blind spot of radar, the radar can not recognize the specific location of the aircraft.So there is a security risk.This paper analyzes the purpose and feasibility of the development of the message distribution system,detailed designs various modules of the system .(2)Analyzes various mobile network switching mechanism and performance, proposes a switching mechanism based on "demand distribution". It is applied in the ATN network, improves the efficiency of the aircraft flies in different control domain .(3) Design and implement the communication control sever between air and ground,and the aircraft information management server.They together complete the switching process of aircraft and the subscription between aircraft and ground station.