Public and private network converged communication station radio station and implementation method

Abstract

The invention relates to a public and private network converged communication station radio station and an implementation method, and belongs to the technical field of wireless communication station radio stations. The public and private network converged communication station radio station comprises a station radio station operation display terminal and a 450M simulation train dispatching unit; the station radio station operation display terminal contains a host control program and is communicated with the 450M simulation train dispatching unit through a network port; according to the invention, wireless train dispatching public and private network converged communication, crossing business wireless public and private network converged communication and integrated management and control of wireless public and private network converged communication are realized.

Description

Technical Field

[0001] The present invention relates to a public-private network integrated communication station radio station and an implementation method thereof, belonging to the technical field of wireless communication station radio stations. Background Art

[0002] Wireless communication station radios are widely used in local railway traffic dispatching and command systems. Currently, there are multiple communication systems on railway lines, including traditional 450MHz wireless communication, GSMR wireless communication, and the gradually used 400M digital communication, LTE private network, and 5G public private network. Existing station radios can only support one communication system, and cannot immediately switch to another communication system when a problem occurs in one communication system, and do not have the characteristics of converged communication. Summary of the invention

[0003] In view of the current state of the art and the problem that there is no one that is compatible with various communication formats and cannot unify various services, the present invention provides a public-private network integrated communication station radio and implementation method, which are used to realize the functions of wireless train dispatching public-private network integrated communication, crossing business wireless public-private network integrated communication, and integrated management and control wireless public-private network integrated communication. The present invention effectively solves the problem of multiple wireless communication networks for railway wireless communication.

[0004] The technical solution adopted by the present invention is: a public-private network integrated communication station radio station, wherein the public-private network integrated communication station radio station comprises a station radio station operation display terminal and a 450M analog train modulation unit; The station radio operation display terminal is connected to the 450M analog train modulation unit via a network port; The 450M analog train dispatching unit includes a 450M station radio unit, a 450M train number decoder, a 450M dispatching command switching unit, a 48V to 13.8V power supply unit and an interface conversion unit; The 450M station radio unit, the 450M train number decoder, and the 450M dispatch command switching unit are respectively connected to the interface conversion unit, and the 48V to 13.8V power supply unit is respectively connected to the 450M station radio unit, the 450M train number decoder, the 450M dispatch command switching unit, and the interface conversion unit; The interface conversion unit includes a serial port level chip, an MCU, and a network port chip; The serial port level chip is connected to the network port chip through the MCU.

[0005] A method for implementing a station radio station of a public-private network integrated communication, wherein a station radio station control program of a public-private network integrated communication performs the following operations: Step 1: Turn on the radio equipment of the public-private network integrated communication station; Step 2: The station radio station of the public-private network integrated communication is connected to the 5G / LTE public network; Step 3: The station radio station of the public-private network integrated communication is connected to the LTE-R private network; Step 4: The station attendant initiates voice and data service commands by operating the station radio operation display terminal; Step 5: The public-private network integrated communication station radio receives a voice or data service command; Step 6: The station radio station of the public-private network integrated communication determines whether the voice or data service command is a wireless train modulation service. If so, the wireless train modulation service is executed. If not, step 7 is executed. Step 7: The public-private network integrated communication station radio determines whether the voice or data service command is a road crossing wireless communication service. If it is a road crossing wireless communication service, if not, step 8 is executed; Step 8: The public-private network integrated communication station radio station determines whether the voice or data service command is an integrated control wireless communication service. If so, the integrated control wireless communication service is executed. If not, step 4 is executed. The public-private network integrated communication station radio is connected to the LTE-R private network and the 5G / LTE public network through the network port, and then connected to the ground application server through Ethernet. The public-private network integrated communication station radio communicates with the locomotive radio through the 450M channel.

[0006] The method for executing the wireless train modulation service described in step six is ​​that after the public-private network integrated communication station radio determines that the current command is a wireless train modulation service, it uses the service command to distinguish what kind of train modulation service is initiated. If it is a voice service command, it initiates a call service to the locomotive radio through the currently selected channel. If it is a data service command, it sends data information to the locomotive radio through the currently selected channel.

[0007] The method for executing the wireless communication service at the level crossing described in step seven is that after the public-private network integrated communication station radio determines that the current command is a level crossing wireless communication service command, it uses the service command to distinguish what kind of level crossing service is initiated. If it is a level crossing video service command, a level crossing video application is sent to the corresponding level crossing via Ethernet. After the level crossing station responds, it sends the current level crossing video to the public-private network integrated communication station radio. If it is a level crossing voice service command, a voice call is initiated to the level crossing personnel through the current network.

[0008] The method for executing the integrated control of wireless communication services described in step eight is that after the public-private network integrated communication station radio determines that the current command is an integrated control of wireless communication service, it sends the status information of the public-private network integrated communication station radio to the integrated control platform via Ethernet, including the geographical location, equipment status, and current network information.

[0009] The beneficial effects of the present invention are: the public-private network integrated communication station radio based on the wireless transmission platform realizes wireless train dispatching public-private network integrated communication, crossing business wireless public-private network integrated communication, and integrated management and control wireless public-private network integrated communication. At present, there are multiple communication standards for railway lines, including traditional 450MHz wireless communication, GSMR wireless communication, and the gradually used 400M digital communication, LTE private network and 5G public-private network. A fusion communication station radio supporting multiple communication standards is needed to solve the problem of network adaptation to ensure the quality of wireless communication; the present invention effectively solves the problem of a single station radio adapting to multiple railway wireless communication networks. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 A circuit connection block diagram for realizing the station radio station of the present invention; Figure 2 This is a circuit connection block diagram of the 450M analog column modulation unit of the present invention; Figure 3 A circuit connection block diagram of the interface conversion unit of the present invention; Figure 4 is a circuit connection block diagram of an embodiment of the present invention; Figure 5 The figure is a flow chart of an implementation method of an embodiment of the present invention. DETAILED DESCRIPTION

[0011] In order to more clearly understand the present invention, the following is a detailed description with reference to the accompanying drawings.

[0012] Reference Figure 1 , a public-private network integrated communication station radio, including a station radio operation display terminal, a 450M analog train modulation unit, and a 400M / 450M antenna; The station radio operation display terminal is connected to the 450M analog train modulation unit through the network port; The station radio operation display terminal contains a control program for realizing the functions of wireless train dispatching public-private network integrated communication, wireless public-private network integrated communication for crossing business, and wireless public-private network integrated communication for integrated management and control; The 450M analog modulation unit is used to realize the 450M wireless communication function; The 400M / 450M antenna is used to transmit the 450M signal wirelessly.

[0013] Reference Figure 2 , 450M analog train dispatching unit includes 450M station radio unit, 450M train number decoder, 450M dispatching command switching unit, 48V to 13.8V power supply unit, and interface conversion unit; The 48V to 13.8V power supply unit of the 450M analog train dispatching unit outputs 13.8V power to supply power to the 450M station radio unit, 450M train number decoder, 450M dispatching command switching unit and interface conversion unit respectively; the 450M station radio unit, 450M train number decoder and 450M dispatching command switching unit of the 450M analog train dispatching unit are connected to the interface conversion unit through the serial port respectively.

[0014] The 450M station radio unit is used to realize the 450M wireless voice communication function; The 450M train number decoder is used to realize the 450M train number function; The 450M dispatch command switching unit is used to implement the 450M dispatch command function; The interface conversion unit is used to interconnect the 450M analog train modulation unit with the station radio operation display terminal.

[0015] Reference Figure 3 ,The interface conversion unit includes a serial port level chip, an MCU, and a network port chip; The 13.8V to 5V power supply unit of the interface conversion unit outputs 5V to power the MCU, serial port chip, and network port chip respectively; the MCU of the interface conversion unit is connected to the network port chip through the RMII interface and is connected to the serial port chip through the serial port.

[0016] The serial port level chip is used to connect the interface conversion unit with the 450M station radio unit, the 450M train number decoder, and the 450M dispatch command switching unit; MCU is used to realize the data forwarding function between the serial port and the network port of the interface conversion unit; The network port chip is used to connect the interface conversion unit to the Ethernet.

[0017] Embodiment 1, as Figure 4 , Figure 5 As shown, a method for implementing a public-private network integrated communication station radio station is shown. The public-private network integrated communication station radio station is connected to a 450M locomotive radio station through a 450M channel, connected to an LTE-R locomotive radio station through an LTE-R private network, connected to a 5G / LTE locomotive radio station through a 5G / LTE public network, and connected to a ground integrated control platform and a crossing station through Ethernet. The public-private network integrated communication station radio station performs the following procedures Step 1: Turn on the radio equipment of the public-private network integrated communication station; Step 2: The station radio station of the public-private network integrated communication is connected to the 5G / LTE public network; Step 3: The station radio station of the public-private network integrated communication is connected to the LTE private network; Step 4: The station attendant initiates voice and data service commands by operating the station radio operation display terminal; Step 5: The public-private network integrated communication station radio receives the voice or data service command; Step 6: The station radio station of the public-private network integrated communication determines whether the current service is a wireless train modulation service. If so, the service command is used to distinguish which type of train modulation service is initiated. If it is a voice call, the voice call service is initiated to the 450M locomotive radio station, LTE-R locomotive radio station or 5G / LTE locomotive radio station through the currently selected 450M channel, LTE-R private network or 5G / LTE public network. If it is a data service, the data information is sent to the 450M locomotive radio station, LTE-R locomotive radio station or 5G / LTE locomotive radio station through the currently selected 450M channel, LTE-R private network or 5G / LTE public network. The station radio station of the public-private network integrated communication sends or receives information on the 450M channel through the 450M analog train modulation unit; When voice information is sent through the 450M analog train modulation unit, the station radio operation display terminal sends the information to the network port of the interface conversion unit. The MCU of the interface conversion unit parses the information received through the network port chip and forwards it to the 450M station radio unit through the corresponding serial port for modulation and transmission; when voice information is received through the 450M analog train modulation unit, the 450M analog train modulation unit demodulates the received 450M voice information and sends it to the serial port of the interface conversion unit. The MCU of the interface conversion unit parses the information received through the serial port level chip and forwards it to the station radio operation display terminal through the network port for playback; When the dispatch command information is sent through the 450M analog train dispatch unit, the station radio operation display terminal sends the information to the network port of the interface conversion unit. The MCU of the interface conversion unit parses the information received through the network port chip and forwards it to the 450M dispatch command switching unit through the corresponding serial port for sending; when the dispatch command automatic confirmation and manual receipt information are received through the 450M analog train dispatch unit, the 450M dispatch command switching unit parses the received 450M data information and sends it to the serial port of the interface conversion unit. The MCU of the interface conversion unit parses the information received through the serial port level chip and forwards it to the station radio operation display terminal through the network port for display; When the train number data information is received through the 450M analog train dispatching unit, the 450M train number decoder will parse the received 450M data information and send it to the serial port of the interface conversion unit. The MCU of the interface conversion unit will parse the information received through the serial port level chip and forward it to the station radio operation display terminal through the network port to display the information; If it is not a wireless train modulation service, perform the following steps: Step 7: The station radio station of the public-private network integrated communication determines whether the current service is a road crossing wireless communication service. If so, it uses the service command to distinguish which road crossing service is initiated. If it is a road crossing video service, it sends a road crossing video application to the corresponding road crossing through Ethernet. After the road crossing station responds, it sends the current road crossing video to the station radio station of the public-private network integrated communication. If it is a road crossing voice service, it initiates a voice call to the road crossing personnel through the current network. If not, execute the following steps; Step 8. The public-private network integrated communication station radio determines whether the current wireless communication service is integrated control. If so, it sends the status information of the station radio to the integrated control platform via Ethernet, including geographical location, equipment status, current network and other information. If not, execute step 4, and the station attendant continues to initiate voice and data service commands by operating the station radio operation display terminal.

[0018] Through the above steps, the public-private network integrated communication station radio station wireless train modulation public-private network integrated communication, the public-private network integrated communication for level crossing business, and the public-private network integrated communication for integrated management and control are realized.

Claims

1. A station radio station with integrated public and private network communication, characterized by: The public-private network integrated communication station radio station includes a station radio station operation display terminal and a 450M analog train modulation unit; The station radio operation display terminal is connected to the 450M analog train modulation unit via a network port; The 450M analog train dispatching unit includes a 450M station radio unit, a 450M train number decoder, a 450M dispatching command switching unit, a 48V to 13.8V power supply unit and an interface conversion unit; The 450M station radio unit, the 450M train number decoder, and the 450M dispatch command switching unit are respectively connected to the interface conversion unit, and the 48V to 13.8V power supply unit is respectively connected to the 450M station radio unit, the 450M train number decoder, the 450M dispatch command switching unit, and the interface conversion unit; The interface conversion unit includes a serial port level chip, an MCU, and a network port chip; The serial port level chip is connected to the network port chip through the MCU.

2. A method for implementing the public-private network integrated communication station radio station according to claim 1, characterized in that: The station radio control program of the public-private network integrated communication performs the following operations: Step 1: Turn on the radio equipment of the public-private network integrated communication station; Step 2: The station radio station of the public-private network integrated communication is connected to the 5G / LTE public network; Step 3: The station radio station of the public-private network integrated communication is connected to the LTE-R private network; Step 4: The station attendant initiates voice and data service commands by operating the station radio operation display terminal; Step 5: The public-private network integrated communication station radio receives a voice or data service command; Step 6: The station radio station of the public-private network integrated communication determines whether the voice or data service command is a wireless train modulation service. If so, the wireless train modulation service is executed. If not, step 7 is executed. Step 7: The public-private network integrated communication station radio determines whether the voice or data service command is a road crossing wireless communication service. If it is a road crossing wireless communication service, if not, step 8 is executed; Step 8: The public-private network integrated communication station radio station determines whether the voice or data service command is an integrated control wireless communication service. If so, the integrated control wireless communication service is executed. If not, step 4 is executed. The public-private network integrated communication station radio is connected to the LTE-R private network and the 5G / LTE public network through the network port, and then connected to the ground application server through Ethernet. The public-private network integrated communication station radio communicates with the locomotive radio through the 450M channel.

3. The method for implementing a station radio station of a public-private network integrated communication according to claim 2 is characterized by: The method for executing the wireless train modulation service described in step six is ​​that after the public-private network integrated communication station radio determines that the current command is a wireless train modulation service, it uses the service command to distinguish what kind of train modulation service is initiated. If it is a voice service command, it initiates a call service to the locomotive radio through the currently selected channel. If it is a data service command, it sends data information to the locomotive radio through the currently selected channel.

4. The method for implementing a station radio station integrating public and private network communication according to claim 2, characterized in that: The method for executing the wireless communication service at the level crossing described in step seven is that after the public-private network integrated communication station radio determines that the current command is a level crossing wireless communication service command, it uses the service command to distinguish what kind of level crossing service is initiated. If it is a level crossing video service command, a level crossing video application is sent to the corresponding level crossing via Ethernet. After the level crossing station responds, it sends the current level crossing video to the public-private network integrated communication station radio. If it is a level crossing voice service command, a voice call is initiated to the level crossing personnel through the current network.

5. The method for implementing a station radio station integrating public and private network communication according to claim 2 is characterized in that: The method for executing the integrated control of wireless communication services described in step eight is that after the public-private network integrated communication station radio determines that the current command is an integrated control of wireless communication service, it sends the status information of the public-private network integrated communication station radio to the integrated control platform via Ethernet, including the geographical location, equipment status, and current network information.

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