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Broadband communication network architecture with train control network and train serving network combined, and communication method thereof
Broadband communication network architecture with train control network and train serving network combined, and communication method thereof
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机译:列车控制网络与列车服务网络相结合的宽带通信网络架构及其通信方法
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摘要
A broadband communication network architecture with a train control network and a train serving network combined, is characterized by, comprising a trusted network and an untrusted network; the trusted network comprises a trusted carriage-level network element provided in each carriage, and in each of a front carriage and a last carriage, in addition to the trusted carriage-level network element, a trusted train-level network element is provided; the untrusted network comprises untrusted train-level network elements respectively provided in the front carriage and the last carriage; one trusted train-level network element communicates with one untrusted train-level network element via a security gateway, and several security gateways are redundant to each other. The network architecture of the present application is a broadband communication network architecture combining a train control network and a train serving network, by which the train control information, the monitored information and the diagnostic information, as well as the passenger information and the video information can be transmitted in a combined network, i.e., the transmission of the data from the passenger information serving system network and the data from the train control network in a combined network, thereby meeting a demand for a bandwidth of the passenger information serving system network and ensuring a stability of the train network.
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