CN215647391U - Multimode railway communication system based on Linux system - Google Patents
Multimode railway communication system based on Linux system Download PDFInfo
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- CN215647391U CN215647391U CN202121246713.8U CN202121246713U CN215647391U CN 215647391 U CN215647391 U CN 215647391U CN 202121246713 U CN202121246713 U CN 202121246713U CN 215647391 U CN215647391 U CN 215647391U
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Abstract
The utility model provides a multi-mode railway communication system based on a Linux system, which comprises a chip, an antenna, an integrated serial port, a USB interface, an LED and a power supply, wherein the chip is connected with the antenna; the chip is connected with the antenna and the integrated serial port; the integrated serial port is connected with the USB interface, the LED and the power supply; the antenna comprises an LTE-R antenna, a 5GRX/TX antenna or a GSM-R antenna; the chip comprises a GSM-R communication chip, an LTE-R communication chip, a 5G communication chip or an application processing chip; the integrated wireless communication terminal fusing the GSM-R and LTE-R/5G railway special frequency bands can support the GSM-R and LTE-R/5G communication functions simultaneously by using one terminal, dynamically switches the communication capacity of the railway special network according to the coverage condition of the railway special network, and can be widely applied to a railway special network communication system.
Description
Technical Field
The utility model relates to the field of railways, in particular to a multi-mode railway communication system based on a Linux system.
Background
Railway Communication (Railway Communication) refers to a technology and equipment for transmitting and processing various information in various Communication modes in Railway transportation production and construction. The railway communication is mainly based on transportation and production, and the main function is to realize unified dispatching and commanding of traveling and locomotive operation. But the difficulty of unified communication is high due to the dispersion of railway lines, various branches and diversified service types. Wireless communication is necessary for commanding the running train, so railway communication is necessary to be a combination of wired communication and wireless communication, and a plurality of communication modes are adopted. Various information in the railway transportation production and construction process is transmitted and exchanged by utilizing technologies and equipment such as wired communication, wireless communication, optical fiber communication and the like. Railway communication can be divided into railway long-distance communication, railway area communication, railway section communication, railway station communication and the like according to access areas and ranges; by the nature of the traffic, it can be divided into railway public and private communications.
The traditional communication equipment is simple, and mainly comprises: transacting the road signs, guideboards and block calls of driving between stations; pulse number-selecting train dispatching telephone; magnet type collinear inter-station telephone, road maintenance telephone, switch telephone and the like, but the above modes can not meet the requirements of railway communication, so that the development of a multi-mode railway communication system based on a Linux system is necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provides a multi-mode railway communication system based on a Linux system, a fusion wireless communication terminal fusing GSM-R and LTE-R/5G railway special frequency bands is provided, one terminal can support the GSM-R and LTE-R/5G communication functions simultaneously, the communication capacity of a railway special network is dynamically switched according to the coverage condition of the railway special network, and the multi-mode railway communication system can be widely applied to the railway special network communication system.
In order to achieve the purpose, the utility model adopts the following technical scheme.
The multimode railway communication system based on the Linux system comprises a chip, an antenna, an integrated serial port, a USB interface, an LED and a power supply; the chip is connected with the antenna and the integrated serial port; the integrated serial port is connected with the USB interface, the LED and the power supply; the antenna comprises an LTE-R antenna, a 5GRX/TX antenna or a GSM-R antenna; the chip comprises a GSM-R communication chip, an LTE-R communication chip, a 5G communication chip or an application processing chip.
Further, the antenna comprises the LTE-R antenna and the GSM-R antenna, and the LTE-R antenna and the GSM-R antenna are connected through a first combiner to form a first combined antenna.
Further, the antennas include the LTE-R antenna and the 5GRX/TX antenna, and the LTE-R antenna and the 5GRX/TX antenna are connected by a second combiner and form a second combined antenna.
Further, the antenna comprises the LTE-R antenna and the 5GRX/TX antenna, and the LTE-R antenna and the 5GRX/TX antenna are connected through a third combiner to form a third combined antenna.
Further, the GSM-R communication chip is used for providing data service and voice communication service capable of bearing railway operation.
Further, the LTE-R communication chip is used for providing new service requirements in aspects of railway broadband video monitoring, video conference and the like.
Further, the 5G communication chip is used for providing higher data transmission rate and lower transmission time delay.
Further, the application processing chip is used for being connected with the GSM-R communication chip, the LTE-R communication chip or the 5G communication chip, providing data receiving and transmitting connection for the outside, and monitoring the running state and debugging equipment.
Furthermore, the application processing chip is internally provided with control software based on a Linux system.
Further, the control software internally comprises a GSM-R module, an LTE-R module or a 5G module.
The multimode railway communication system based on the Linux system has the advantages that:
(1) the utility model discloses a converged wireless communication terminal for converging GSM-R and LTE-R/5G railway special frequency bands, which can support the communication functions of GSM-R and LTE-R/5G simultaneously by using one terminal, dynamically switch the communication capability of a railway special network according to the coverage condition of the railway special network, and can be widely applied to a railway special network communication system.
(2) The integrated system of the utility model has high integration level, and the railway vehicle system does not have peripheral equipment such as a screen, a microphone, a receiver and the like, is convenient to be designed into an integral product with higher protection level such as salt resistance, fog resistance and the like, and is convenient to work outdoors for a long time or in a severe working environment.
(3) According to the utility model, the software based on the Linux operating system in the processing chip is applied, the Android system is not required to be involved, and the rapid switching of data transmission between GSM-R and LTE-R/5G modes is realized autonomously.
Drawings
Fig. 1 is a schematic diagram provided by an embodiment of the present invention.
The reference numerals in the figures are respectively:
1. a chip; 2. an antenna; 3. integrating the serial ports; 4. a USB interface; 5. an LED; 6. a power source.
Detailed Description
The following provides a specific embodiment of the multimode railway communication system based on the Linux system in combination with the attached drawings, but it should be noted that: the described embodiments are not intended to limit the practice of the utility model. All similar structures and similar variations thereof adopting the utility model shall fall within the scope of the utility model. The following description of the embodiments refers to the accompanying drawings for illustrating the specific embodiments in which the utility model may be practiced.
See fig. 1. The multimode railway communication system based on the Linux system comprises a chip 1, an antenna 2, an integrated serial port 3, a USB interface 4, an LED5 and a power supply 6; the chip 1 is connected with the antenna 2 and the integrated serial port 3; the integrated serial port 3 is connected with the USB interface 4, the LED5 and the power supply 6; the antenna 2 comprises an LTE-R antenna, a 5GRX/TX antenna or a GSM-R antenna; the chip 1 comprises a GSM-R communication chip, an LTE-R communication chip, a 5G communication chip or an application processing chip.
The antenna 2 comprises the LTE-R antenna and the GSM-R antenna, and the LTE-R antenna and the GSM-R antenna are connected through a first combiner to form a first combined antenna. The antenna 2 comprises the LTE-R antenna and the 5GRX/TX antenna, and the LTE-R antenna and the 5GRX/TX antenna are connected through a second combiner to form a second combined antenna. The antenna 2 comprises the LTE-R antenna and the 5GRX/TX antenna, and the LTE-R antenna and the 5GRX/TX antenna are connected through a third combiner to form a third combined antenna.
The GSM-R communication chip is used for providing data service and voice communication service capable of bearing railway operation. The LTE-R communication chip is used for providing new service requirements in aspects of railway broadband video monitoring, video conference and the like. The 5G communication chip is used for providing higher data transmission rate and lower transmission time delay.
The application processing chip is used for being connected with the GSM-R communication chip, the LTE-R communication chip or the 5G communication chip, providing data receiving and transmitting connection for the outside, and monitoring the running state and debugging equipment. And the application processing chip is internally provided with control software based on a Linux system. The control software comprises a GSM-R module, an LTE-R module or a 5G module.
The control software in the application processing chip can realize the dynamic switching of the GSM-R or LTE-R/5G communication system of the terminal and carry out data transmission. Through unified software design, Android system intervention is not needed, so that the software system does not need to be modified greatly when the LTE-R and 5G communication chips of the system are replaced. The control software respectively processes the control and data transmission functions of the GSM-R, LTE-R and 5G chips 1. The control software can dynamically switch the data transmission channel between the GSM-R and the LTE-R according to the actual situation; similarly, data transmission can also be dynamically switched between GSM-R and 5G.
The multimode railway communication system based on the Linux system can provide railway private network users with GSM-R (with CSD function), LTE-R and 5G railway private network communication capabilities of railway private frequency bands. The design of the multimode railway private network terminal can provide the capability of dynamically switching between GSM-R (with CSD function) and LTE-R (or 5G railway private frequency band) for railway private network users, and can support the communication capability of the LTE-R or 5G railway private frequency band respectively according to different software and hardware adjustment while supporting the GSM-R. The multi-mode railway communication system based on the Linux system can be provided with a communication terminal for a railway vehicle machine and a handheld terminal for railway workers. The multimode railway communication system based on the Linux system integrates a GSM-R communication module, an LTE-R communication module or a 5G communication module (supporting railway special frequency bands), an application processing chip (such as SC9850KH), an antenna 2(GSM-R and LTE-R RX/TX antennas, 5G RX antennas) and an antenna combiner. The multimode railway communication system based on the Linux system is high in integration level, the railway vehicle machine system is not provided with peripheral equipment such as a screen, a microphone and a receiver, the design of integral products with higher protection levels such as salt prevention and fog prevention is facilitated, and the multimode railway vehicle machine system is convenient to work outdoors or in a severe working environment for a long time. By applying control software based on a Linux operating system in a processing chip, rapid switching of data transmission between GSM-R and LTE-R/5G modes is automatically realized without intervention of an Android system.
The GSM-R antenna system and the LTE-R antenna system only need one antenna to the outside through a combiner, and the antenna system is matched with the requirement of a traditional railway vehicle. The GSM-R and antenna system and the 5G antenna system are externally provided with only one antenna through a combiner, so that the requirement of the traditional railway vehicle machine is met; meanwhile, an additional 5G RX antenna can be provided, and the requirement of a novel railway vehicle machine for higher 5G transmission capacity can be met. The GSM-R communication chip provides data service and voice communication service capable of bearing railway operation. The LTE-R communication chip provides new service requirements in aspects of railway broadband video monitoring, video conference and the like. The 5G communication chip (supporting the railway special frequency band) provides higher data transmission rate and lower transmission time delay. The application processing chip integrates interface functions of a serial port 3, a USB, an LED5 and the like, is used for being connected with the GSM-R, LTE-R and 5G communication chips, provides data receiving and transmitting connection externally, and is used for an interface for monitoring the running state and debugging equipment.
Claims (4)
1. The multimode railway communication system based on the Linux system is characterized by comprising a chip, an antenna, an integrated serial port, a USB interface, an LED and a power supply; the chip is connected with the antenna and the integrated serial port; the integrated serial port is connected with the USB interface, the LED and the power supply; the antenna comprises an LTE-R antenna, a 5GRX/TX antenna or a GSM-R antenna; the chip comprises a GSM-R communication chip, an LTE-R communication chip, a 5G communication chip or an application processing chip; the antenna comprises the LTE-R antenna and the GSM-R antenna, and the LTE-R antenna and the GSM-R antenna are connected through a first combiner to form a first combined antenna; the antennas comprise the LTE-R antenna and the 5GRX/TX antenna, and the LTE-R antenna and the 5GRX/TX antenna are connected through a second combiner to form a second combined antenna; the antenna comprises the LTE-R antenna and the 5GRX/TX antenna, and the LTE-R antenna and the 5GRX/TX antenna are connected through a third combiner to form a third combined antenna.
2. The Linux system based multimode railway communication system of claim 1, wherein the GSM-R communication chip is configured to provide data traffic and voice communication traffic capable of carrying railway operations.
3. The Linux system based multimode railway communication system of claim 1, wherein the 5G communication chip is configured to provide a higher data transmission rate and a lower transmission delay.
4. The Linux system-based multimode railway communication system of claim 1, wherein the application processing chip is configured to connect with the GSM-R communication chip, the LTE-R communication chip, or the 5G communication chip, provide a connection for data transceiving to the outside, and monitor an operation status and debug equipment.
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| CN202121246713.8U CN215647391U (en) | 2021-06-04 | 2021-06-04 | Multimode railway communication system based on Linux system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113329507A (en) * | 2021-06-05 | 2021-08-31 | 江苏乐众信息技术股份有限公司 | Novel communication module remote control and data transmission device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113329507A (en) * | 2021-06-05 | 2021-08-31 | 江苏乐众信息技术股份有限公司 | Novel communication module remote control and data transmission device and method |
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Address after: Building 17-A, No. 8, Haining Avenue, Haining Economic Development Zone, Haining City, Jiaxing City, Zhejiang Province 314400 Patentee after: Haining Lezhong Information Technology Co.,Ltd. Address before: 213000 No. 1712-1, building 4, No. 9, Taihu East Road, Xinbei District, Changzhou City, Jiangsu Province Patentee before: Jiangsu Lezhong Information Technology Co.,Ltd. |
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