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System, device and method for mobile communication based on rail transit electric power contact system

A mobile communication system and rail transit technology, applied in the field of mobile communication systems based on rail transit power catenary, can solve problems such as poor call quality and low signal-to-noise ratio, achieve high-speed reliable transmission, and improve spectrum utilization.

Inactive Publication Date: 2014-03-26
于佳亮 +2
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Problems solved by technology

[0014] In order to solve the technical problems of low signal-to-noise ratio and poor call quality of the inductive communication equipment of the electrified railway (and similar applications) in the prior art, the present invention proposes a mobile communication system, device and method based on rail transit power catenary , can realize high-speed and reliable transmission of digital signals, and improve the reliability and stability of equipment operation

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  • System, device and method for mobile communication based on rail transit electric power contact system
  • System, device and method for mobile communication based on rail transit electric power contact system
  • System, device and method for mobile communication based on rail transit electric power contact system

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[0037]The present invention is based on rail transit power catenary, including railway power catenary, urban tram power catenary, subway power catenary, or metal wires similar to power catenary, as the main medium for signal transmission, through which the dedicated ground can be connected The communication node equipment DMJ (such as railway station communication equipment, etc.), and the special communication node equipment CZJ of railway rolling stock (including locomotives, train tails, compartments, etc.), constitute a complete railway dedicated mobile communication system, which can realize voice, data and video communication. The main communication service functions that can be realized by the technical solution of the present invention include:

[0038] 1. Voice communication between the personnel of the ground traffic command organization or the railway staff and the train driver and passengers;

[0039] 2. Voice communication between train drivers and passengers bet...

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Abstract

The invention discloses a system, device and method for mobile communication based on a rail transit electric power contact system. The system comprises vehicle-mounted communication machines, first couplers, ground communication machines, and a contact net conducting wire, wherein the vehicle-mounted communication machines are connected with the contact net conducting wire through the first couplers; the ground communication machines are connected with the contact net conducting wire through the second couplers; the contact net conducting wire is used for signal transmission. Through the adoption of the technical scheme, reliable transmission of digital signals can be achieved, and reliability and stability of the communication system are improved.

Description

technical field [0001] The invention relates to the technical field of railway wireless communication, in particular to a mobile communication system, device and method based on rail transit power catenary. Background technique [0002] At present, in the electrified railway section, two types of methods are generally used to realize dedicated mobile communication between trains and between trains and certain objects on the ground: one is to use wireless communication technology, such as frequency modulation (or other methods) wireless train dispatching, GSM -R, digital trunking system, etc.; the second is to use inductive communication, such as 400KHz inductive communication system. Since the former is a relatively well-known technology in the industry (some are transplanted from public communication technology), we will not introduce it in detail, but briefly introduce the latter as follows: [0003] The inductive train wireless dispatching telephone system provides a ded...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/26H04B5/00H04B3/60
Inventor 于佳亮于天泽程华
Owner 于佳亮
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