A high-speed railway data communication system and communication method thereof

Abstract

The invention discloses a data communication system for a high-speed railway and a communication method of the data communication system. The communication method comprises the steps: a vehicle-mounted gateway obtains communication data of a mobile terminal through a network access device in a vehicle, thereby being used for transmitting the communication data to a base station through a vehicle-mounted antenna; the vehicle-mounted gateway obtains communication data of the base station according to a vehicle-mounted antenna, thereby being used for transmitting the communication data to the mobile terminal through the network access device in the vehicle; the vehicle-mounted gateway successively enables each vehicle-mounted antenna to conduct base station switching between a current communication base station and a next base station to determine a first vehicle-mounted antenna which conducts switching successfully; and after the first vehicle-mounted antenna conducts switching successfully, the vehicle-mounted gateway determines time of base station switching of each follow-up vehicle-mounted antenna respectively, and informs the next base station through the vehicle-mounted antenna, and is used for establishing communication connection between the next base station and each follow-up vehicle-mounted antenna. The system and the communication method resolve the problem that a vehicle body shields signals, and the problems that a large number of mobile terminals conduct base station switching simultaneously so that information channels are blocked, and achieve base station quick switching, and guarantee switching success rate and communication quality during switching.

Description

technical field [0001] The invention relates to the field of mobile communication, in particular to a high-speed railway data communication system and a communication method thereof. Background technique [0002] As we all know, high-speed railway has become one of the main modes of transportation for people to travel. With the rapid development of high-bandwidth mobile communication services, people also hope to enjoy real-time, large data volume, and high-transmission mobile communication services while riding high-speed railways, which puts higher demands on the bandwidth and stability of railway communication systems. high demands. [0003] A high-bandwidth data communication system for high-speed railways needs to solve at least the following problems: [0004] First, the shielding of the car body to the signal - the high-speed railway train adopts a fully enclosed car body structure, and some trains also use metal-coated glass, so the car body penetration loss is as ...

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Problems solved by technology

[0009] Aiming at the technical problems existing in the above-mentioned prior art, the embodiment of the present invention provides a high-speed railway data communication system and its communication method, so as to overcome the problem of signal shielding by the car body and the simultaneous switching of base stations by a large number of mobile terminals. The problem of channel congestion is solved, and the fast switching of the base station is realized, which ensures the success rate of switching and the communication quality during switching

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