Method for realizing wireless train number checking of train based on LTE (Long Term Evolution) system

Abstract

A method for achieving train wireless train number checking based on an LTE system comprises the steps that a signal train-mounted ATO device obtains train operation information and kilometer post position information, the train operation information and the kilometer post position information are packaged into a first data frame, and the train operation information and the kilometer post position information are sent to a communication train-mounted station; the communication vehicle-mounted station analyzes the first data frame, packages the first data frame into a second data frame based on the analysis result of the first data frame, and sends the wireless train number checking information to the application interface server; and the application interface server receives the wireless train number information sent by the communication vehicle-mounted station, performs communication protocol conversion and IP address correspondence between a transmission layer and an application layer, and forwards the converted wireless train number information to the CTC communication server for checking. According to the invention, the function of transmitting the wireless train number checking information of the LTE system is realized, and good economic benefits and social benefits are obtained in combination with urban railway construction.

Description

Technical Field

[0001] The present invention relates to the technical field of urban rail transit mobile communication, and particularly to a method for realizing train wireless train number verification based on the LTE system. Background Art

[0002] In recent years, due to its good interoperability characteristics, the CTCS-2+ATO signal system has been applied in a considerable number of urban rail transit lines. In the current standards and specifications, the CTCS2+ATO system requires mobile communication to provide services such as ordinary voice communication, dispatching communication, dispatching commands, wireless train number verification, and train-ground information transmission for train control systems such as CTCS2+ATO. However, its corresponding mobile communication system is the national railway GSM-R system, and GRIS devices are used to communicate with the CTC system through the GPRS network to implement functions such as transport layer and application layer communication protocol conversion and IP address conversion. The traditional LTE system applicable to the railway private network usually adopts the core network architecture of the B-TrunC system, and its main network elements do not have the transport layer and application layer communication protocol conversion required to support the CTC system to access and realize the train number verification information transmission service. In addition, traditional CTCS-2 grade railways obtain train position information through GPS satellite positioning. However, urban rail transit lines usually have long continuous underground sections, and it is difficult to obtain accurate positioning signals through GPS / Beidou satellites. This makes the train position information invalid for a long time when the LTE system periodically sends train number verification information, and the train wireless train number verification service cannot be completed. The signal CTC system can only fallback to the traditional mode of manually handling train entry and exit information through train-driver communication control. Summary of the Invention

[0003] In view of the above problems, the present invention is proposed to provide a method for realizing train wireless train number verification based on the LTE system that overcomes or at least partially solves the above problems.

[0004] To solve the above technical problems, the embodiments of the present application disclose the following technical solutions:

[0005] In a first aspect, an embodiment of the present invention discloses a method for realizing train wireless train number verification based on the LTE system, including:

[0006] S100. The on-board ATO device of the signal obtains the train operation information and the kilometer marker position information, packs them into a first data frame based on the train operation information and the kilometer marker position information, and sends the train operation information and the kilometer marker position information to the on-board communication station by sending the first data frame to the on-board communication station;

[0007] S200. The in-vehicle communication station parses the first data frame, packs it into a second data frame based on the parsed result of the first data frame, and sends the second data frame to the application interface server through the LTE system, and sends the wireless train number verification information to the application interface server;

[0008] S300. The application interface server receives the wireless train number information sent by the in-vehicle communication station, performs transport layer and application layer communication protocol conversion and IP address mapping, and forwards the converted wireless train number information to the CTC communication server for verification.

[0009] Further, in S100, the on-board ATO equipment of the signal vehicle obtains the train operation information from the signal temporary speed limit server through the LTE system, and the train operation information package includes the train number and the train stop stability information; the on-board ATO equipment of the signal vehicle obtains the kilometer marker position information provided by the track circuit through the train automatic protection system.

[0010] Further, in S100, the format of the first data frame at least includes a data frame header, a data length, a communication sequence number, a version number, a train number information, an activation information, a time information, a transponder number, a kilometer marker, a train speed, a train start or stop, a CRC verification, and a data frame tail.

[0011] Further, in S100, the on-board ATO equipment of the signal vehicle sends data to the in-vehicle communication equipment at a preset period, and the sent data at least includes the current actual train number, the locomotive number, and the train operation position information; the in-vehicle communication equipment transmits the response data frame information to the on-board ATO equipment of the signal vehicle, and the response data frame information at least includes the current actual train number, the locomotive number, and the activation information of the in-vehicle communication station.

[0012] Further, in S200, the format of the second data frame at least includes a frame start, an information length, a source communication address length, a destination communication address length, a destination communication address, a station number, a train type identifier, a locomotive model, a feature code, a detection unit code, a time information, a locomotive signal and working condition, a signal machine number and type, a kilometer marker, a line name code, a total number of transmissions, a total number of transmissions to the current application interface server, a total number of transmissions of the current train number, the current position longitude and latitude, a CRC verification, and a frame end.

[0013] Further, when the total number of transmissions is used for transmitting train start and train stop information, it is the total number of times the communication on-vehicle console transmits train start and train stop information after power-on; when transmitting train number information, it is the total number of times the communication on-vehicle console transmits train number information after power-on; when the total number of transmissions to the current application interface server is used for transmitting train start and train stop information, it is the total number of times the communication on-vehicle console transmits train start and train stop information to the current application interface server; when transmitting train number information, it is the total number of times the communication on-vehicle console transmits train number information to the current application interface server; when the total number of current train number transmissions is used for transmitting train start and train stop information, it is the total number of times the communication on-vehicle console transmits train start and train stop information of the current train number; when transmitting train number information, it is the total number of times the communication on-vehicle console transmits train number information of the current train number.

[0014] Further, in S200, the communication between the communication on-vehicle console and the application interface server adopts the UDP / IP protocol. The communication on-vehicle console listens on UDP port 42000, and the application server listens on UDP port 42001.

[0015] Further, in S300, the communication between the application interface server and the CTC communication server adopts the TCP / IP protocol based on a 10 / 100M Ethernet connection. The application interface server is a TCP server and listens on TCP port 20002, and the CTC communication server is a TCP client.

[0016] Further, in S300, the data frame format for the application interface server and the CTC communication server to interact at least includes a start field, a frame length, a frame type, a service type, data content, and CRC verification.

[0017] In a second aspect, an embodiment of the present invention discloses an electronic device, including:

[0018] One or more processors;

[0019] A memory for storing one or more programs;

[0020] When the one or more programs are executed by the one or more processors, the one or more processors implement the method for checking the train wireless train number.

[0021] The beneficial effects of the above technical solutions provided by the embodiments of the present invention at least include:

[0022] The present invention discloses a method for realizing train wireless train number verification based on the LTE system, including: the on-board ATO device of the signal obtains the train operation information and the kilometer marker position information, packs the train operation information and the kilometer marker position information into a first data frame, and sends the first data frame to the on-board communication station, so as to send the train operation information and the kilometer marker position information to the on-board communication station; the on-board communication station parses the first data frame, packs the result after parsing the first data frame into a second data frame, and sends the second data frame to the application interface server through the LTE system, so as to send the wireless train number verification information to the application interface server; the application interface server receives the wireless train number information sent by the on-board communication station, performs communication protocol conversion at the transport layer and the application layer, IP address mapping, and forwards the converted wireless train number information to the CTC communication server for verification. The present invention realizes the function of transmitting wireless train number verification information for trains in the LTE system, and can be incorporated into the formulation of standard specifications in the long term. In combination with the construction of urban rail transit, the construction unit organizes the design and equipment suppliers to transform the research results into products. After popularization and application, good economic and social benefits will be achieved.

[0023] The following will further describe the technical solutions of the present invention in detail through the drawings and embodiments. Description of the Drawings

[0024] The drawings are used to provide a further understanding of the present invention, and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention, and do not constitute a limitation to the present invention. In the drawings:

[0025] Figure 1 It is a flowchart of a method for realizing train wireless train number verification based on the LTE system in Embodiment 1 of the present invention;

[0026] Figure 2 It is a schematic structural diagram of an electronic device in Embodiment 2 of the present invention. Detailed Embodiments

[0027] The following will describe the exemplary embodiments of the present disclosure in more detail with reference to the drawings. Although the exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0028] In order to solve the problems existing in the prior art, an embodiment of the present invention provides a method for realizing train wireless train number verification based on the LTE system.

[0029] Embodiment 1

[0030] The present invention discloses a method for realizing train wireless train number verification based on the LTE system, as follows Figure 1 , including:

[0031] S100. The on-board ATO device of the signal obtains the train operation information and the kilometer marker position information, packs them into a first data frame based on the train operation information and the kilometer marker position information, and sends the train operation information and the kilometer marker position information to the on-board communication station by sending the first data frame to the on-board communication station;

[0032] Among them, the on-board ATO (Automatic Train Operation) device of the signal is an automatic control device used in the rail transit system, aiming to realize the automatic operation, precise stop and energy-saving operation of the train. The ATO system usually works in coordination with the ATP (Automatic Train Protection) system and the ATS (Automatic Train Supervision) system to form a complete train automatic control system (ATC). The on-board communication station of the train is a crucial on-board communication device in the railway system, mainly used to ensure the real-time information interaction between the train and the dispatching center, other trains and ground equipment.

[0033] In S100 of this embodiment, the on-board ATO device of the signal obtains the train operation information from the signal temporary speed limit server through the LTE system, and the train operation information packet includes the train number and the train stopping stable information; the on-board ATO device of the signal obtains the kilometer marker position information provided by the track circuit through the train automatic protection system.

[0034] In S100 of this embodiment, as shown in Table 1, the first data frame format at least includes a data frame header, a data length, a communication sequence number, a version number, a train number information, an activation information, a time information, a transponder number, a kilometer marker, a train speed, a train start or stop, a CRC verification and a data frame tail.

[0035] Table 1 Data frame format of the on-board ATO device of the signal sent to the on-board communication station

[0036]

[0037]

[0038] In S100 of this embodiment, the on-board ATO device of the signal sends data to the on-board communication device at a preset period, and the sent data at least includes the current actual train number, the locomotive number and the train operation position information; the response data frame information transmitted by the on-board communication device to the on-board ATO device of the signal, and the response data frame information at least includes the current actual train number, the locomotive number and the activation information of the on-board communication station.

[0039] The communication vehicle-mounted station parses the first data frame, packs it into a second data frame based on the result after parsing the first data frame, sends the second data frame to the application interface server through the LTE system, and sends the wireless train number verification information to the application interface server;

[0040] In S200 of this embodiment, as shown in Table 2, the format of the second data frame at least includes frame start, information length, source communication address length, destination communication address length, destination communication address, station number, train type identifier, locomotive model, feature code, detection unit code, time information, locomotive signal and working condition, signal machine number and type, kilometer post, line name code, total number of transmissions, total number of transmissions to the current application interface server, total number of transmissions of the current train number, current position longitude and latitude, CRC verification, and frame end.

[0041] Table 2 Format of the interaction data frame between the communication vehicle-mounted station and the application interface server

[0042]

[0043]

[0044]

[0045] Among them, as can be seen from Table 2, when the total number of transmissions is used to send train start and train stop information, it is the total number of times the communication vehicle-mounted station sends train start and train stop information after power-on. When sending train number information, it is the total number of times the communication vehicle-mounted station sends train number information after power-on; when the total number of transmissions to the current application interface server is used to send train start and train stop information, it is the total number of times the communication vehicle-mounted station sends train start and train stop information to the current application interface server. When sending train number information, it is the total number of times the communication vehicle-mounted station sends train number information to the current application interface server; when the total number of transmissions of the current train number is used to send train start and train stop information, it is the total number of times the communication vehicle-mounted station sends train start and train stop information of the current train number. When sending train number information, it is the total number of times the communication vehicle-mounted station sends train number information of the current train number.

[0046] In S200 of this embodiment, the communication between the communication vehicle-mounted station and the application interface server uses the UDP / IP protocol. The communication vehicle-mounted station listens on UDP port 42000, and the application server listens on UDP port 42001.

[0047] S300. The application interface server receives the wireless train number information sent by the communication vehicle-mounted station, performs transport layer and application layer communication protocol conversion and IP address mapping, and forwards the converted wireless train number information to the CTC communication server for verification.

[0048] In S300 of this embodiment, the application interface server communicates with the CTC communication server using the TCP / IP protocol based on a 10 / 100M Ethernet connection. The application interface server is a TCP server, listening on TCP port 20002, and the CTC communication server is a TCP client.

[0049] In S300 of this embodiment, the data frame format for the interaction between the application interface server and the CTC communication server is shown in Table 3, which at least includes a start field, frame length, frame type, service type, data content, and CRC verification.

[0050] Table 3 Data Frame Format for the Interaction between the Application Interface Server and the CTC Communication Server

[0051]

[0052] This embodiment discloses a method for realizing train wireless train number verification based on the LTE system, including: the on-board ATO device of the signal obtains the train operation information and kilometer marker position information, packs them into a first data frame based on the train operation information and kilometer marker position information, and sends the train operation information and kilometer marker position information to the communication on-board station by sending the first data frame to the communication on-board station; the communication on-board station parses the first data frame, packs it into a second data frame based on the result after parsing the first data frame, and sends the second data frame to the application interface server through the LTE system, sending the wireless train number verification information to the application interface server; the application interface server receives the wireless train number information sent by the communication on-board station, performs transport layer and application layer communication protocol conversion and IP address mapping, and forwards the converted wireless train number information to the CTC communication server for verification. The present invention realizes the function of transmitting wireless train number verification information for trains in the LTE system and can be incorporated into the formulation of standard specifications in the long term. In combination with the construction of urban rail transit, the construction unit organizes the design and equipment suppliers to transform this research result into a product. After popularization and application, good economic and social benefits will be achieved.

[0053] Embodiment 2

[0054] Based on the same inventive concept, the present disclosure embodiment also provides an electronic device. Figure 2 It is a schematic structural diagram of an electronic device for an embodiment of the present disclosure. As Figure 2As shown in the figure, an embodiment of the present disclosure provides an electronic device, including: one or more processors 101, a memory 102, and one or more I / O interfaces 103. One or more programs are stored on the memory 102. When the one or more programs are executed by the one or more processors, the one or more processors implement any of the optimization methods in the above embodiments; one or more I / O interfaces 103 are connected between the processor and the memory and are configured to implement information interaction between the processor and the memory.

[0055] Among them, the processor 101 is a device with data processing capabilities, including but not limited to a central processing unit (CPU), etc.; the memory 102 is a device with data storage capabilities, including but not limited to a random access memory (RAM, more specifically such as SDRAM, DDR, etc.), a read-only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a flash memory (FLASH); the I / O interface (read / write interface) 103 is connected between the processor 101 and the memory 102 and can implement information interaction between the processor 101 and the memory 102, including but not limited to a data bus (Bus), etc.

[0056] In some embodiments, the processor 101, the memory 102, and the I / O interface 103 are interconnected through a bus 104 and are further connected to other components of the computing device.

[0057] In some embodiments, the one or more processors 101 include a field programmable gate array.

[0058] According to an embodiment of the present disclosure, a computer-readable medium is also provided. A computer program is stored on the computer-readable medium. When the program is executed by a processor, the steps in any of the optimization methods in the above embodiments are implemented.

[0059] It should be understood that the specific order or hierarchy of steps in the disclosed process is an example of an exemplary method. Based on design preferences, it should be understood that the specific order or hierarchy of steps in the process can be rearranged without departing from the protection scope of the present disclosure. The appended method claims present the elements of various steps in an exemplary order and are not intended to be limited to the specific order or hierarchy described.

[0060] In the foregoing detailed description, various features are combined in a single embodiment to simplify the disclosure. This method of disclosure should not be interpreted as reflecting an intention that the embodiments of the claimed subject matter require more features than are expressly recited in each claim. Rather, as reflected in the appended claims, the invention lies in less than all of the features of a single disclosed embodiment. Accordingly, the appended claims are hereby expressly incorporated into the detailed description, with each claim standing on its own as a separate preferred embodiment of the invention.

[0061] Those skilled in the art should also understand that the various illustrative logical blocks, modules, circuits, and algorithm steps described in connection with the embodiments herein can be implemented as electronic hardware, computer software, or combinations thereof. To clearly illustrate the interchangeability of hardware and software, the various illustrative components, blocks, modules, circuits, and steps have been generally described in terms of their functionality. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the overall system. Skilled artisans may implement the described functionality in a flexible manner for each particular application, but such implementation decisions should not be interpreted as departing from the scope of the present disclosure.

[0062] The steps of a method or algorithm described in connection with the embodiments herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination thereof. The software module may be located in a RAM memory, a flash memory, a ROM memory, an EPROM memory, an EEPROM memory, a register, a hard disk, a removable disk, a CD-ROM, or any other form of storage medium well known in the art. An exemplary storage medium is coupled to the processor such that the processor can read information from, and write information to, the storage medium. Of course, the storage medium may also be integral to the processor. The processor and the storage medium may be located in an ASIC. The ASIC may be located in a user terminal. Of course, the processor and the storage medium may also exist as discrete components in a user terminal.

[0063] For a software implementation, the techniques described in this application can be implemented using modules (e.g., procedures, functions, etc.) that perform the functions described in this application. These software codes can be stored in a memory unit and executed by a processor. The memory unit can be implemented within the processor or outside the processor, and in the latter case, it is communicatively coupled to the processor by various means, which are well known in the art.

[0064] The foregoing description includes examples of one or more embodiments. Of course, it is not possible to describe all possible combinations of components or methods for the purpose of describing the above embodiments, but those of ordinary skill in the art should recognize that the various embodiments can be further combined and arranged. Accordingly, the embodiments described herein are intended to cover all such changes, modifications, and variations that fall within the scope of the appended claims. In addition, with respect to the term "comprising" used in the specification or claims, that term is inclusive in a manner similar to the term "including," as that term is interpreted when used as a transitional word in a claim. Further, any use of the term "or" in a claim of the specification is to mean "non-exclusive or."

Claims

1. A method for realizing train wireless train number verification based on the LTE system, characterized in that Including: S100. The on-board ATO equipment of the signal system obtains the train operation information and the kilometer marker position information, packs them into a first data frame based on the train operation information and the kilometer marker position information, and sends the train operation information and the kilometer marker position information to the on-board communication station by sending the first data frame to the on-board communication station; S200. The on-board communication station analyzes the first data frame, packs it into a second data frame based on the result after analyzing the first data frame, and sends the second data frame to the application interface server through the LTE system, and sends the wireless train number verification information to the application interface server; S300. The application interface server receives the wireless train number information sent by the on-board communication station, performs the conversion of the transport layer and application layer communication protocols, IP address mapping, and forwards the converted wireless train number information to the CTC communication server for verification.

2. The method for realizing train wireless train number verification based on the LTE system according to claim 1, characterized in that, In S100, the on-board ATO equipment of the signal system obtains the train operation information from the signal temporary speed limit server through the LTE system, and the train operation information packet includes the train number and the train stop stability information; the on-board ATO equipment of the signal system obtains the kilometer marker position information provided by the track circuit through the train automatic protection system.

3. A method for realizing train wireless train number verification based on the LTE system according to claim 1, characterized in that In S100, the format of the first data frame at least includes a data frame header, a data length, a communication sequence number, a version number, a train number information, an activation information, a time information, a transponder number, a kilometer marker, a train speed, a train start or stop, a CRC verification, and a data frame tail.

4. The method for realizing train radio train number verification based on the LTE system according to claim 1, wherein, In S100, the on-board ATO equipment of the signal system sends data to the on-board communication equipment at a preset period, and the sent data at least includes the current actual train number, the locomotive number, and the train operation position information; The response data frame information transmitted by the on-board communication equipment to the on-board ATO equipment of the signal system, and the response data frame information at least includes the current actual train number, the locomotive number, and the activation information of the on-board communication station.

5. The method for realizing train radio train number verification based on the LTE system according to claim 1, wherein In S200, the format of the second data frame at least includes a frame start, an information length, a source communication address length, a destination communication address length, a destination communication address, a station number, a train type identifier, a locomotive model, a feature code, a detection unit code, a time information, a locomotive signal and working condition, a signal machine number and type, a kilometer marker, a line name code, a total number of transmissions, a total number of transmissions to the current application interface server, a total number of transmissions of the current train number, the current position longitude and latitude, a CRC verification, and a frame end.

6. The method for realizing train radio train number verification based on the LTE system according to claim 5, wherein, When used for sending the total number of train start and train stop information, it refers to the total number of times the communication vehicle-mounted platform sends train start and train stop information after power-on. When sending train number information, it refers to the total number of times the communication vehicle-mounted platform sends train number information after power-on; when used for sending the total number of times to the current application interface server for sending train start and train stop information, it refers to the total number of times the communication vehicle-mounted platform sends train start and train stop information to the current application interface server. When sending train number information, it refers to the total number of times the communication vehicle-mounted platform sends train number information to the current application interface server; when used for sending the total number of current train number transmissions for sending train start and train stop information, it refers to the total number of times the communication vehicle-mounted platform sends train start and train stop information of the current train number; when sending train number information, it refers to the total number of times the communication vehicle-mounted platform sends train number information of the current train number.

7. The method for realizing train radio train number verification based on the LTE system according to claim 1, characterized in that In S200, the communication vehicle-mounted platform communicates with the application interface server using the UDP / IP protocol. The communication vehicle-mounted platform listens on UDP port 42000, and the application server listens on UDP port 42001.

8. The method for realizing train radio train number verification based on the LTE system according to claim 1, characterized in that, In S300, the application interface server communicates with the CTC communication server using the TCP / IP protocol based on a 10 / 100M Ethernet connection. The application interface server is the TCP server and listens on TCP port 20002, and the CTC communication server is the TCP client.

9. The method for realizing train wireless train number verification based on the LTE system according to claim 1, characterized in that In S300, the data frame format for the application interface server and the CTC communication server to interact at least includes a start field, a frame length, a frame type, a service type, data content, and CRC verification.

10. An electronic device, characterized in that, Includes: One or more processors; A memory for storing one or more programs; When the one or more programs are executed by the one or more processors, the one or more processors implement the method for verifying the wireless train number in any one of claims 1-9.

Images