CN102238600A - Depot examination system for global system for mobile communication for railway (GSM-R) on-vehicle wireless transmission module of China train control system (CTCS)-3 - Google Patents
Depot examination system for global system for mobile communication for railway (GSM-R) on-vehicle wireless transmission module of China train control system (CTCS)-3 Download PDFInfo
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- 238000004891 communication Methods 0.000 claims description 30
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- 238000004092 self-diagnosis Methods 0.000 claims description 15
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Abstract
The invention discloses a depot examination system for a global system for mobile communication for railway (GSM-R) on-vehicle wireless transmission module of a China train control system (CTCS)-3. The system consists of two parts which are a GSM-R on-vehicle wireless depot examination unit and a GSM-R ground wireless depot examination stage respectively, wherein the GSM-R on-vehicle wireless depot examination unit consists of an adapter unit, a depot examination control unit, a data transmission unit, two sets of power filtering boards A and B and two sets of power systems A and B; and the GSM-R ground wireless depot examination stage consists of an uninterrupted power supply (UPS), a data storage unit, a depot examination analysis unit, a display unit and the data transmission unit. The system has the advantages of performing analysis processing and storage on depot examination results of the GSM-R on-vehicle wireless transmission module in real time, displaying the processed depot examination results in form of data and graphic example by convenient and intuitive operations, and simultaneously well functioning in assisting in the functions of historical depot examination data analysis, query, counting and the like, and performance perfection even updating.
Description
Technical field
The invention belongs to wireless communication technology field and Train Control field, particularly a kind of CTCS-3 level train control system GSM-R onboard wireless transport module storehouse check system.
Background technology
Fast development along with China railways, China has formulated the medium-term and long-term development plan of railway, Chinese train control system CTCS (China Train Control System) in its planning is for guaranteeing safe train operation, and satisfy the technical specification of different circuits operation demands with hierarchical form, it is the direction of Future in China railway technology development, CTCS is divided into 5 grades according to system condition and function, from 0 grade to 4 grades.
CTCS-3 level train control system is based on the train operation control system of radio communication (GSM-R) and track circuit, a key character of CTCS-3 level train control system is exactly to utilize the GSM-R network to be listed as the safe transmission of control data, and GSM-R onboard wireless transport module is exactly the GSM-R network insertion terminal of mobile unit in the CTCS-3 level train control system, is responsible for the safe transmission of the row control data between locomotive and the ground.
Can normally run under the CTCS-3 level for guaranteeing train, need when going out to put in storage, train detect train, whether and present checkout equipment can not satisfy the automatic detection to GSM-R onboard wireless transport module, can normally move with the correlator equipment that can not confirm RTM whole set equipment and this equipment.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, propose a kind of can whether can normally the operation and the cover system checked the correlator equipment that locomotive detects RTM whole set equipment and this equipment when the outbound automatically.
CTCS-3 level train control system GSM-R onboard wireless transport module storehouse check system is made up of inspection unit, GSM-R onboard wireless storehouse and GSM-R terrestrial wireless storehouse inspection platform two parts, wherein:
Inspection unit, GSM-R onboard wireless storehouse is made up of adapter unit, prosecution system unit, storehouse, data transmission unit and A/B two cover power filter plates and A/B two cover power-supply systems; Inspection platform in GSM-R terrestrial wireless storehouse is made up of UPS uninterrupted power supply, data storage cell, storehouse inspection analytic unit, display unit and data transmission unit; The data transmission unit of inspection unit, described GSM-R onboard wireless storehouse and GSM-R terrestrial wireless storehouse inspection platform all is nested with the GPRS module; Inspection unit, described GSM-R onboard wireless storehouse and GSM-R terrestrial wireless storehouse inspection platform are by the GPRS module wireless connections of data transmission unit.
The A/B two cover power filter plates of inspection unit, described GSM-R onboard wireless storehouse mainly protect power supply to avoid external interference such as surge, burst of pulses, high-frequency crosstalk, guarantee the high reliability of power supply Electro Magnetic Compatibility.
The power supply B of described GSM-R onboard wireless storehouse inspection unit and B-source filter band are standby as power supply A and a-power supply filter band, and the mode that is equipped with by two cover power supply heat has realized the stability of power devices system.
The adaptation unit of inspection unit, described GSM-R onboard wireless storehouse is mainly realized the level conversion between GSM-R onboard wireless transport module and the inspection unit, the vehicle-mounted storehouse of GSM-R, is the data channel between the inspection unit, the vehicle-mounted storehouse of GSM-R onboard wireless transport module and GSM-R.
The prosecution system unit, storehouse of inspection unit, described GSM-R onboard wireless storehouse is to receive the storehouse inspection order of storehouse, ground inspection platform by data transmission unit, send storehouse inspection operation by adaptation unit to GSM-R onboard wireless transport module by check, inspection order back, identification storehouse, wait for the storehouse inspection result of GSM-R onboard wireless transport module simultaneously, and can examine interpretation of result, judgement, storage to the storehouse, then result is handed down to storehouse, ground inspection platform by data transmission unit.
Utilize CTCS-3 level train control system GSM-R onboard wireless transport module storehouse check system to carry out storehouse inspection program to be: inspection unit, GSM-R onboard wireless storehouse sends storehouse inspection operation to GSM-R onboard wireless transport module, wait for the storehouse inspection result of GSM-R onboard wireless transport module simultaneously, and can examine interpretation of result, judgement, storage to the storehouse, the data transmission unit that result is examined the unit by GSM-R onboard wireless storehouse is handed down to GSM-R terrestrial wireless storehouse inspection platform then.
The invention has the advantages that: can in real time the result be examined in the storehouse of GSM-R onboard wireless transport module and carry out analyzing and processing, storage, and be shown to storehouse inspection personnel with the form of data and legend, easy to operate directly perceived, simultaneously can examine data and inquire statistics, intellectual analysis by classification, for function, the perfect performance of moving law, accident analysis and the equipment of discovering device or even upgrade and all play good booster action history library.
Description of drawings
Fig. 1 CTCS-3 level train control system GSM-R onboard wireless transport module storehouse check system transfer of data schematic diagram.
GSM-R onboard wireless storehouse inspection cellular construction in the check system of Fig. 2 CTCS-3 level train control system GSM-R onboard wireless transport module storehouse is formed schematic diagram.
GSM-R terrestrial wireless storehouse inspection platform structure in the check system of Fig. 3 CTCS-3 level train control system GSM-R onboard wireless transport module storehouse is formed schematic diagram.
The data transmission unit start self diagnosis schematic diagram of GSM-R onboard wireless storehouse inspection unit in the check system of Fig. 4 CTCS-3 level train control system GSM-R onboard wireless transport module storehouse.
The adapter unit start self diagnosis schematic diagram of GSM-R onboard wireless storehouse inspection unit in the check system of Fig. 5 CTCS-3 level train control system GSM-R onboard wireless transport module storehouse.
The in transit self diagnosis schematic diagram of data transmission unit in train travelling process of GSM-R onboard wireless storehouse inspection unit in the check system of Fig. 6 CTCS-3 level train control system GSM-R onboard wireless transport module storehouse.
Data transmission unit in the check system of Fig. 7 CTCS-3 level train control system GSM-R onboard wireless transport module storehouse in the GSM-R onboard wireless storehouse inspection unit and GSM-R terrestrial wireless storehouse inspection platform are set up the communication link schematic diagram.
Safeguard schematic diagram after data transmission unit in the check system of Fig. 8 CTCS-3 level train control system GSM-R onboard wireless transport module storehouse in the GSM-R onboard wireless storehouse inspection unit and the foundation of GSM-R terrestrial wireless storehouse inspection platform communication link.
Embodiment
As shown in Figures 2 and 3, CTCS-3 level train control system GSM-R onboard wireless transport module storehouse check system is made up of inspection unit, GSM-R onboard wireless storehouse and GSM-R terrestrial wireless storehouse inspection platform two parts, and wherein: inspection unit, GSM-R onboard wireless storehouse is made up of adapter unit, prosecution system unit, storehouse, data transmission unit and A/B two cover power filter plates and A/B two cover power-supply systems; Inspection platform in GSM-R terrestrial wireless storehouse is made up of UPS uninterrupted power supply, data storage cell, storehouse inspection analytic unit, display unit and data transmission unit; The data transmission unit of inspection unit, described GSM-R onboard wireless storehouse and GSM-R terrestrial wireless storehouse inspection platform all is nested with the GPRS module; Inspection unit, described GSM-R onboard wireless storehouse and GSM-R terrestrial wireless storehouse inspection platform are by the GPRS module wireless connections of data transmission unit.
The A/B two cover power filter plates of inspection unit, described GSM-R onboard wireless storehouse mainly protect power supply to avoid external interference such as surge, burst of pulses, high-frequency crosstalk, guarantee the high reliability of power supply Electro Magnetic Compatibility.
The power supply B of described GSM-R onboard wireless storehouse inspection unit and B-source filter band are standby as power supply A and a-power supply filter band, and the mode that is equipped with by two cover power supply heat has realized the stability of power devices system.
The adaptation unit of inspection unit, described GSM-R onboard wireless storehouse is mainly realized the level conversion between GSM-R onboard wireless transport module and the inspection unit, the vehicle-mounted storehouse of GSM-R, is the data channel between the inspection unit, the vehicle-mounted storehouse of GSM-R onboard wireless transport module and GSM-R.
The prosecution system unit, storehouse of inspection unit, described GSM-R onboard wireless storehouse is to receive the storehouse inspection order of storehouse, ground inspection platform by data transmission unit, send storehouse inspection operation by adaptation unit to GSM-R onboard wireless transport module by check, inspection order back, identification storehouse, wait for the storehouse inspection result of GSM-R onboard wireless transport module simultaneously, and can examine interpretation of result, judgement, storage to the storehouse, then result is handed down to storehouse, ground inspection platform by data transmission unit.
What the data transmission unit of inspection unit, described GSM-R onboard wireless storehouse mainly adopted is the wireless transport module with GPRS transfer function, and it is the communication terminal that inspection unit, GSM-R onboard wireless storehouse and GSM-R terrestrial wireless storehouse inspection platform carry out transfer of data.
The UPS uninterrupted power supply of described GSM-R terrestrial wireless storehouse inspection platform mainly is to provide reliable electric power system for server.
The data storage cell of described GSM-R terrestrial wireless storehouse inspection platform is mainly used in the storehouse inspection result that the storehouse inspection unit transmission of storage GSM-R onboard wireless comes.
The storehouse inspection analytic unit major function of described GSM-R terrestrial wireless storehouse inspection platform is: receive and analyze the real-time storehouse inspection result that inspection unit, GSM-R onboard wireless storehouse is sent, and be shown to storehouse inspection personnel by display unit with the form of data and legend, can report to the police to storehouse inspection personnel if find faulty equipment in the storehouse inspection process; Data are stored, all GSM-R onboard wireless storehouse inspection cell library inspection results are stored into data storage cell; Can inquire about historical data, as carrying out one-level and multistage inquiry by conditions such as equipment, date, operators; To historical data statistics with analyze, the fault rule by the analysis of institute's enquiry of historical data being found out equipment operation also shows with the form of curve chart, for attendant and product design personnel reference.
As shown in Figure 1, utilize CTCS-3 level train control system GSM-R onboard wireless transport module storehouse check system to carry out storehouse inspection program to be: inspection unit, GSM-R onboard wireless storehouse sends storehouse inspection operation to GSM-R onboard wireless transport module, wait for the storehouse inspection result of GSM-R onboard wireless transport module simultaneously, and can examine interpretation of result, judgement, storage to the storehouse, the data transmission unit that result is examined the unit by GSM-R onboard wireless storehouse is handed down to GSM-R terrestrial wireless storehouse inspection platform then.
As shown in Figure 4, the data transmission unit start self-diagnosing method of GSM-R onboard wireless storehouse inspection unit is in the check system of CTCS-3 level train control system GSM-R onboard wireless transport module storehouse:
Step 1: open the serial ports of data transmission unit, if can not normally open, the report serial ports is opened mistake, and this report is carried out storage;
Step 2: after the serial ports of data transmission unit is opened, the serial ports parameter is set, and whether test GPRS is normal, as undesired, reports GPRS undesired mistake, and data are stored;
Step 3: under the normal prerequisite of GPRS, but whether SIM card is normal, as undesired, reports the SIM card mistake, and data are stored;
Step 4: under the normal prerequisite of SIM card, whether the test field intensity is normal, as undesired, reports the field intensity power, and data are stored, normal as field intensity, returns start self diagnosis successful result.
As shown in Figure 5, the adapter unit start self-diagnosing method of GSM-R onboard wireless storehouse inspection unit is in the check system of CTCS-3 level train control system GSM-R onboard wireless transport module storehouse:
Step 1: adapter start self diagnosis, and open serial ports, as it is unsuccessful to open serial ports, the report serial ports is opened mistake, and storage failure information;
Step 2: after opening serial ports, the serial ports parameter is set, sends N test data frame to GSM-R onboard wireless transport module, as all not replying, report no response, and storage failure information if any reply data, are then returned start self diagnosis successful result.
As shown in Figure 6, the in transit self-diagnosing method of data transmission unit in train travelling process of GSM-R onboard wireless storehouse inspection unit is in the check system of CTCS-3 level train control system GSM-R onboard wireless transport module storehouse:
When step 1: GPRS self diagnosis in transit begins, start diagnosis timer in transit, judge whether the data transmission unit between inspection unit, GSM-R onboard wireless storehouse and the GSM-R terrestrial wireless storehouse inspection platform has data communication, if any, cancellation self diagnosis timer, and continue communication;
Step 2: as do not have data communication, after timing arrives, start self diagnosis flow process in transit;
Step 3: switch GPRS and transfer online coomand mode to, judge whether GPRS communication is normal by the online data state, as undesired, the undesired mistake of report GPRS, and storage failure information;
Step 4: whether normal as GPRS communication, it is normal then to begin to test SIM card, as undesired, and report SIM card mistake, and storage failure information;
Step 5: whether normal as SIM card, it is normal then to begin to test field intensity, as undesired, and a little less than the report field intensity, and storage failure information;
Step 6: normal as field intensity, switch GPRS and rotate back into the online data state and continue communication by online coomand mode.
Data transmission unit in the check system of Fig. 7 CTCS-3 level train control system GSM-R onboard wireless transport module storehouse in the GSM-R onboard wireless storehouse inspection unit and GSM-R terrestrial wireless storehouse inspection platform are set up the communication link method and are:
Step 1: setting up link is, reads GSM-R terrestrial wireless storehouse inspection platform telephone number earlier;
Step 2: the GPRS module of GSM-R onboard wireless storehouse being examined the data transmission unit of unit and GSM-R terrestrial wireless storehouse inspection platform is configured;
Step 3: call out GSM-R terrestrial wireless storehouse inspection platform, if failure, the record failure cause, as success, then communication link is set up successfully.
Maintaining method after data transmission unit in the check system of Fig. 8 CTCS-3 level train control system GSM-R onboard wireless transport module storehouse in the GSM-R onboard wireless storehouse inspection unit and GSM-R terrestrial wireless storehouse inspection platform communication link are set up is:
If in the timing of setting, the data transmission unit of inspection unit, GSM-R onboard wireless storehouse and GSM-R terrestrial wireless storehouse inspection platform is received when link disconnects sign, inspection unit, GSM-R onboard wireless storehouse reads GSM-R terrestrial wireless storehouse inspection platform telephone number, and the GPRS module of the data transmission unit of GSM-R onboard wireless storehouse inspection unit and GSM-R terrestrial wireless storehouse inspection platform is configured, call out GSM-R terrestrial wireless storehouse inspection platform, if failure, the record failure cause, as success, then communication link rebulids success;
The time of setting when communication link is safeguarded then, the data transmission unit of inspection unit, GSM-R onboard wireless storehouse and GSM-R terrestrial wireless storehouse inspection platform sends the link test packet each other, all receive test reply data bag as inspection unit, GSM-R onboard wireless storehouse and GSM-R terrestrial wireless storehouse inspection platform, represent that then link is normal, as not receiving test packet, then, inspection unit, GSM-R onboard wireless storehouse reads GSM-R terrestrial wireless storehouse inspection platform telephone number, and the GPRS module of the data transmission unit of GSM-R onboard wireless storehouse inspection unit and GSM-R terrestrial wireless storehouse inspection platform is configured, call out GSM-R terrestrial wireless storehouse inspection platform, if failure, the record failure cause, as success, then communication link rebulids success.
Claims (8)
1.CTCS-3 level train control system GSM-R onboard wireless transport module storehouse check system is made up of inspection unit, GSM-R onboard wireless storehouse and GSM-R terrestrial wireless storehouse inspection platform two parts, wherein:
Inspection unit, GSM-R onboard wireless storehouse is made up of adapter unit, prosecution system unit, storehouse, data transmission unit and A/B two cover power filter plates and A/B two cover power-supply systems; Inspection platform in GSM-R terrestrial wireless storehouse is made up of UPS uninterrupted power supply, data storage cell, storehouse inspection analytic unit, display unit and data transmission unit; The data transmission unit of inspection unit, described GSM-R onboard wireless storehouse and GSM-R terrestrial wireless storehouse inspection platform all is nested with the GPRS module; Inspection unit, described GSM-R onboard wireless storehouse and GSM-R terrestrial wireless storehouse inspection platform are by the GPRS module wireless connections of data transmission unit.
2. CTCS-3 level train control system GSM-R onboard wireless transport module as claimed in claim 1 storehouse check system, it is characterized in that, what the data transmission unit of inspection unit, described GSM-R onboard wireless storehouse mainly adopted is the wireless transport module with GPRS transfer function, and it is the communication terminal that inspection unit, GSM-R onboard wireless storehouse and GSM-R terrestrial wireless storehouse inspection platform carry out transfer of data.
3. CTCS-3 level train control system GSM-R onboard wireless transport module as claimed in claim 1 storehouse check system, it is characterized in that, utilize CTCS-3 level train control system GSM-R onboard wireless transport module storehouse check system to carry out storehouse inspection program to be: inspection unit, GSM-R onboard wireless storehouse sends storehouse inspection operation to GSM-R onboard wireless transport module, wait for the storehouse inspection result of GSM-R onboard wireless transport module simultaneously, and can examine interpretation of result to the storehouse, judge, storage, the data transmission unit that result is examined the unit by GSM-R onboard wireless storehouse is handed down to GSM-R terrestrial wireless storehouse inspection platform then.
4. CTCS-3 level train control system GSM-R onboard wireless transport module as claimed in claim 1 storehouse check system, it is characterized in that the data transmission unit start self-diagnosing method of GSM-R onboard wireless storehouse inspection unit is in the check system of CTCS-3 level train control system GSM-R onboard wireless transport module storehouse:
Step 1: open the serial ports of data transmission unit, if can not normally open, the report serial ports is opened mistake, and this report is carried out storage;
Step 2: after the serial ports of data transmission unit is opened, the serial ports parameter is set, and whether test GPRS is normal, as undesired, reports GPRS undesired mistake, and data are stored;
Step 3: under the normal prerequisite of GPRS, but whether SIM card is normal, as undesired, reports the SIM card mistake, and data are stored;
Step 4: under the normal prerequisite of SIM card, whether the test field intensity is normal, as undesired, reports the field intensity power, and data are stored, normal as field intensity, returns start self diagnosis successful result.
5. CTCS-3 level train control system GSM-R onboard wireless transport module as claimed in claim 1 storehouse check system device, it is characterized in that the adapter unit start self-diagnosing method of GSM-R onboard wireless storehouse inspection unit is in the check system of CTCS-3 level train control system GSM-R onboard wireless transport module storehouse:
Step 1: adapter start self diagnosis, and open serial ports, as it is unsuccessful to open serial ports, the report serial ports is opened mistake, and storage failure information;
Step 2: after opening serial ports, the serial ports parameter is set, sends test data frame to GSM-R onboard wireless transport module, if N time is not all replied, report no response, and storage failure information if any reply data, are then returned start self diagnosis successful result.
6. CTCS-3 level train control system GSM-R onboard wireless transport module as claimed in claim 1 storehouse check system device, it is characterized in that the in transit self-diagnosing method of data transmission unit in train travelling process of GSM-R onboard wireless storehouse inspection unit is in the check system of CTCS-3 level train control system GSM-R onboard wireless transport module storehouse:
When step 1: GPRS self diagnosis in transit begins, start diagnosis timer in transit, judge whether the data transmission unit between inspection unit, GSM-R onboard wireless storehouse and the GSM-R terrestrial wireless storehouse inspection platform has data communication, if any, cancellation self diagnosis timer, and continue communication;
Step 2: as do not have data communication, after timing arrives, start self diagnosis flow process in transit;
Step 3: switch GPRS and transfer online coomand mode to, judge whether GPRS communication is normal by the online data state, as undesired, the undesired mistake of report GPRS, and storage failure information;
Step 4: whether normal as GPRS communication, it is normal then to begin to test SIM card, as undesired, and report SIM card mistake, and storage failure information;
Step 5: whether normal as SIM card, it is normal then to begin to test field intensity, as undesired, and a little less than the report field intensity, and storage failure information;
Step 6: normal as field intensity, switch GPRS and rotate back into the online data state and continue communication by online coomand mode.
7. CTCS-3 level train control system GSM-R onboard wireless transport module as claimed in claim 1 storehouse check system device, it is characterized in that data transmission unit in the check system of CTCS-3 level train control system GSM-R onboard wireless transport module storehouse in the GSM-R onboard wireless storehouse inspection unit and GSM-R terrestrial wireless storehouse inspection platform are set up the communication link method and be:
Step 1: setting up link is, reads GSM-R terrestrial wireless storehouse inspection platform telephone number earlier;
Step 2: the GPRS module of GSM-R onboard wireless storehouse being examined the data transmission unit of unit and GSM-R terrestrial wireless storehouse inspection platform is configured;
Step 3: call out GSM-R terrestrial wireless storehouse inspection platform, if failure, the record failure cause, as success, then communication link is set up successfully.
8. CTCS-3 level train control system GSM-R onboard wireless transport module as claimed in claim 1 storehouse check system device, it is characterized in that the maintaining method after data transmission unit in the check system of CTCS-3 level train control system GSM-R onboard wireless transport module storehouse in the GSM-R onboard wireless storehouse inspection unit and GSM-R terrestrial wireless storehouse inspection platform communication link are set up is:
If in the timing of setting, the data transmission unit of inspection unit, GSM-R onboard wireless storehouse and GSM-R terrestrial wireless storehouse inspection platform is received when link disconnects sign, inspection unit, GSM-R onboard wireless storehouse reads GSM-R terrestrial wireless storehouse inspection platform telephone number, and the GPRS module of the data transmission unit of GSM-R onboard wireless storehouse inspection unit and GSM-R terrestrial wireless storehouse inspection platform is configured, call out GSM-R terrestrial wireless storehouse inspection platform, if failure, the record failure cause, as success, then communication link rebulids success;
The time of setting when communication link is safeguarded then, the data transmission unit of inspection unit, GSM-R onboard wireless storehouse and GSM-R terrestrial wireless storehouse inspection platform sends the link test packet each other, all receive test reply data bag as inspection unit, GSM-R onboard wireless storehouse and GSM-R terrestrial wireless storehouse inspection platform, represent that then link is normal, as not receiving test packet, then, inspection unit, GSM-R onboard wireless storehouse reads GSM-R terrestrial wireless storehouse inspection platform telephone number, and the GPRS module of the data transmission unit of GSM-R onboard wireless storehouse inspection unit and GSM-R terrestrial wireless storehouse inspection platform is configured, call out GSM-R terrestrial wireless storehouse inspection platform, if failure, the record failure cause, as success, then communication link rebulids success.
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| CN201110105231.5A CN102238600B (en) | 2011-04-26 | 2011-04-26 | Depot examination system for global system for mobile communication for railway (GSM-R) on-vehicle wireless transmission module of China train control system (CTCS)-3 |
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| CN201110105231.5A CN102238600B (en) | 2011-04-26 | 2011-04-26 | Depot examination system for global system for mobile communication for railway (GSM-R) on-vehicle wireless transmission module of China train control system (CTCS)-3 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107154824A (en) * | 2017-07-25 | 2017-09-12 | 湖南中车时代通信信号有限公司 | Vehicle-mounted wireless data transmission system detection device |
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| EP1561664B1 (en) * | 2004-02-03 | 2007-04-11 | DB Telematik GmbH | Method for transmitting via digital mobile phone networks and for displaying data messages created on computer systems |
| CN101574975A (en) * | 2009-06-03 | 2009-11-11 | 北京六捷科技有限公司 | Vehicle monitoring system based on CTCS-3 level train control system and terminal thereof |
| CN101976047A (en) * | 2010-09-03 | 2011-02-16 | 北京全路通信信号研究设计院 | China train control system-grade 3 fault reproduction method and system |
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| EP1561664B1 (en) * | 2004-02-03 | 2007-04-11 | DB Telematik GmbH | Method for transmitting via digital mobile phone networks and for displaying data messages created on computer systems |
| CN101574975A (en) * | 2009-06-03 | 2009-11-11 | 北京六捷科技有限公司 | Vehicle monitoring system based on CTCS-3 level train control system and terminal thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107154824A (en) * | 2017-07-25 | 2017-09-12 | 湖南中车时代通信信号有限公司 | Vehicle-mounted wireless data transmission system detection device |
| CN107154824B (en) * | 2017-07-25 | 2021-04-27 | 湖南中车时代通信信号有限公司 | Vehicle-mounted wireless data transmission device detection equipment |
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