CN114900808B - GSM-R radio station wireless timeout fault analysis method and system - Google Patents

GSM-R radio station wireless timeout fault analysis method and system Download PDF

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Publication number
CN114900808B
CN114900808B CN202210448061.9A CN202210448061A CN114900808B CN 114900808 B CN114900808 B CN 114900808B CN 202210448061 A CN202210448061 A CN 202210448061A CN 114900808 B CN114900808 B CN 114900808B
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gsm
radio station
radio
station
wireless
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CN114900808A (en
Inventor
朱海霞
丁奕
熊玉姣
毛新德
谷宇
麻吉泉
熊伟
申思
牛莹
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Shandong Traffic Control Technology Co ltd
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Shandong Traffic Control Technology Co ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/16—Communication-related supplementary services, e.g. call-transfer or call-hold
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/305—Handover due to radio link failure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/42—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for mass transport vehicles, e.g. buses, trains or aircraft
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
    • H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention provides a GSM-R radio station wireless timeout fault analysis method and a system, wherein the method comprises the following steps: under the condition that a GSM-R radio station has a wireless overtime fault, acquiring Trace data of the GSM-R radio station through an MRM module of the GSM-R radio station; the Trace data comprises Um port data between the GSM-R radio station and a base station; and analyzing the reason of the wireless overtime fault of the GSM-R radio station according to the Trace data. The invention makes the reason analysis of the radio overtime fault more accurate, the method is simple, and only the MRM module in the existing GSM-R radio station needs to be replaced.

Description

GSM-R radio station wireless timeout fault analysis method and system
Technical Field
The invention relates to the technical field of on-board GSM-R radio stations of high-speed trains, in particular to a method and a system for analyzing wireless overtime faults of a GSM-R radio station.
Background
The CTCS 3-level GSM-R (GSM for Railway Application, global system for mobile communications for railway applications) station adopts a dual-train architecture design, and the logical relationship between the CTCS 3-level GSM-R and other devices in the on-board ATP (Automatic Train Protection, automatic train protection system) device is shown in fig. 1.
In fig. 1, the MRM (Mobile Resource Management ) represents a GSM-R mobile terminal module conforming to the MRM specification. Each comprising an MRM, a GSM-R communication module and associated power supply modules. In order to facilitate accident analysis, the GSM-R radio station is designed with a recording module independent of the 1 series and the 2 series, and is responsible for intercepting the data communication between each RIME module and the GSM-R communication module and the data communication between the GSM-R communication module and the MRM module, receiving the state data sent by the GSM-R communication module and providing a data recording function. The MRM module has no data recording function, records data through the GSM-R recording module, and the recorded data is vehicle-mounted ATP equipment data. The structure of the GSM-R station in the in-vehicle ATP apparatus is shown in fig. 2.
Because of the wireless time-out fault frequency of the CTCS 3-level GSM-R radio, the prior art performs wireless time-out fault analysis by collecting GSM-R network interface data, as shown in figure 3. The interface data typically includes Abis interface data, a interface data, PRI interface data, and Igsm-r interface. The Abis interface is a communication interface between the base station controller and the base station transceiver system, the A interface is a communication interface between the base station controller and the base station subsystem, the PRI (Primary Rate Interface, main rate interface) interface is a communication interface between the base station subsystem and RBC (Radio Block Center ), and the Igsm-R interface is a communication interface between the vehicle-mounted ATP wireless module RIME and the GSM-R radio station. The wireless timeout fault cannot be accurately located through the ground data, and analysis is difficult.
Disclosure of Invention
The invention provides a GSM-R radio station wireless timeout fault analysis method and system, which are used for solving the defects that the wireless timeout fault cannot be accurately positioned and is difficult to analyze in the prior art, improving the accuracy of wireless timeout fault positioning and realizing simple method.
The invention provides a GSM-R radio station wireless timeout fault analysis method, which comprises the following steps:
under the condition that a GSM-R radio station has a wireless overtime fault, acquiring Trace data of the GSM-R radio station through an MRM module of the GSM-R radio station; the Trace data comprises Um port data between the GSM-R radio station and a base station;
and analyzing the reason of the wireless overtime fault of the GSM-R radio station according to the Trace data.
According to the method for analyzing the radio timeout fault of the GSM-R radio station, the Trace data of the GSM-R radio station is collected by the MRM module of the GSM-R radio station, and the method comprises the following steps:
collecting Trace data of the GSM-R radio station under different communication modes by the MRM module of the GSM-R radio station;
the communication modes comprise an idle mode, a special mode and a monitoring mode;
in the idle mode, the MRM module is in an AT instruction state;
in the dedicated mode, the MRM module is in a data communication state;
in communication mode, the MRM module listens for a multicast call or a broadcast call.
According to the method for analyzing the radio timeout fault of the GSM-R radio, the MRM module comprises a DB15 connector;
the analyzing the reason for the wireless overtime fault of the GSM-R radio station according to the Trace data comprises the following steps:
the Trace data is downloaded by programming a cable through software of the MRM module; one end of the software programming cable is connected with the DB15 connector, and the other end of the software programming cable is connected with a downloading terminal;
and analyzing the reason of the wireless overtime fault of the GSM-R radio station according to the downloaded Trace data.
According to the method for analyzing the radio timeout fault of the GSM-R radio station, when the radio timeout fault occurs in the GSM-R radio station, trace data of the GSM-R radio station are collected through an MRM module of the GSM-R radio station, and the method comprises the following steps:
testing whether the MRM module normally establishes a wireless call and recording data for the call;
testing whether a signal strength value in the recorded data changes when the signal field strength of the wireless call is changed;
performing copying test on the MRM module, and judging whether the recording duration of the recorded data reaches a preset range;
after all the tests of the MRM module are passed, if the GSM-R radio station has a wireless overtime fault, the Trace data of the GSM-R radio station are collected through the MRM module of the GSM-R radio station.
According to the method for analyzing the wireless timeout fault of the GSM-R radio station, which is provided by the invention, the reasons of the wireless timeout fault of the GSM-R radio station are analyzed according to the Trace data, and the method comprises the following steps:
determining whether the communication process of the GSM-R radio station is interrupted or not according to the CC message or the AT instruction in the Trace data;
if the communication process of the GSM-R radio station is interrupted, determining whether the reason for the wireless overtime fault of the GSM-R radio station is network abnormality according to the wireless environment of the position of the train where the GSM-R radio station is located AT the recording time of the CC message or the AT instruction;
if the reason of the radio timeout fault of the GSM-R radio station is not network abnormality, determining whether the reason of the radio timeout fault of the GSM-R radio station is abnormality of the MRM module or abnormality of the GSM-R radio station according to the running state information of the MRM module or the running state information of the GSM-R radio station in Trace data.
According to the method for analyzing the wireless overtime fault of the GSM-R radio station, according to the wireless environment of the train where the GSM-R radio station is located at the recorded time, whether the reason for the wireless overtime fault of the GSM-R radio station is network abnormality is determined, and the method comprises the following steps:
judging whether the recording time of the CC message or the AT instruction is consistent with the running time of the train or not;
if the recording time is consistent with the running time, determining whether the reason of the wireless overtime fault of the GSM-R radio station is network abnormality according to the wireless environment of the train where the GSM-R radio station is located at the position of the recording time.
The invention also provides a GSM-R radio station wireless timeout fault analysis system, which comprises:
the acquisition module is used for acquiring Trace data of the GSM-R radio station through the MRM module of the GSM-R radio station under the condition that the GSM-R radio station has a wireless overtime fault; the Trace data comprises Um port data between the GSM-R radio station and a base station;
and the analysis module is used for analyzing the reason of the wireless overtime fault of the GSM-R radio station according to the Trace data.
The invention also provides an electronic device, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor realizes the wireless timeout fault analysis method of the GSM-R radio station when executing the program.
The invention also provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements a GSM-R radio station wireless time-out failure analysis method as described in any of the above.
The invention also provides a computer program product comprising a computer program which when executed by a processor implements a method of radio timeout fault analysis for a GSM-R station as described in any one of the above.
According to the GSM-R radio station wireless timeout fault analysis method and system, under the condition that the GSM-R radio station has wireless timeout fault, the MRM module with the Trace data recording function is used for collecting Trace data of the GSM-R radio station, and the Trace data comprises Um port data between the GSM-R radio station and the base station, so that the reason analysis of the wireless timeout fault is more accurate, the method is simple, and only the MRM module in the existing GSM-R radio station is replaced.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the logical relationship between a GSM-R radio station and other devices in a vehicle-mounted device provided in the prior art;
FIG. 2 is a schematic diagram of a prior art vehicle-mounted device for CTCS 3;
FIG. 3 is a schematic diagram of GSM-R network interface data provided by the prior art;
FIG. 4 is a flow chart of a method for analyzing a GSM-R radio timeout fault provided by the invention;
fig. 5 is a schematic structural diagram of a GSM-R radio station wireless timeout fault analysis system provided by the present invention;
fig. 6 is a schematic structural diagram of an electronic device provided by the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The following describes a method for analyzing a wireless timeout fault of a GSM-R radio station according to the present invention with reference to fig. 4, which includes: step 401, under the condition that a radio timeout fault occurs in a GSM-R radio station, acquiring Trace data of the GSM-R radio station through an MRM module of the GSM-R radio station; the Trace data comprises Um port data between the GSM-R radio station and a base station;
the MRM module of the existing GSM-R radio station has no recording function, the recording module in the GSM-R radio station records data, and the recorded data is related data of the vehicle-mounted ATP equipment.
An MRM module with Trace data recording function is arranged in the GSM-R radio station, um port data between the GSM-R radio station and the base station are obtained, and a basis is provided for fault judgment. The Um port, also known as the air interface, is the communication interface between a mobile terminal (station) and a base transceiver system.
The MRM module with Trace data recording function can be directly replaced with the original MRM module in the GSM-R radio station. Software for implementing Trace data recording functions may also be configured within the original MRM module in the GSM-R station.
Optionally, the internal storage space of the MRM module has 10 MBytes, the recording rate of the MRM module is 1M/h, and the recording time is about 10 hours. When the GSM-R radio station has a wireless overtime fault, trace data are taken out.
And step 402, analyzing the reason for the wireless timeout fault of the GSM-R radio station according to the Trace data.
Optionally, determining the time when the GSM-R radio station has a wireless timeout fault, and taking Trace data of preset time lengths before and after the time as an analysis object. And determining the quality of the current wireless network and the actual strength of the current network according to the wireless communication information of the current cell and the adjacent cell in the Trace data and the cell switching related information. And determining the reason of the wireless overtime fault according to whether the current wireless network quality and the actual strength of the current network belong to a normal range.
And displaying the related information of the current serving cell and the adjacent cell, the analyzed TRACE data, the layer message and the AT command information for reference analysis of the user. layer message includes RR message and MM message.
In the embodiment, under the condition that the GSM-R radio station has the radio timeout fault, the Trace data of the GSM-R radio station is acquired by using the MRM module with the Trace data recording function, and the Trace data comprises Um port data between the GSM-R radio station and the base station, so that the reason analysis of the radio timeout fault is more accurate, the method is simple, and only the MRM module in the existing GSM-R radio station needs to be replaced.
Based on the above embodiment, in this embodiment, the acquiring Trace data of the GSM-R radio by the MRM module of the GSM-R radio includes: collecting Trace data of the GSM-R radio station under different communication modes by the MRM module of the GSM-R radio station;
the communication modes comprise an idle mode, a special mode and a monitoring mode;
in the idle mode, the MRM module is in an AT instruction state;
in the dedicated mode, the MRM module is in a data communication state;
in communication mode, the MRM module listens for a multicast call or a broadcast call.
The content recorded by the MRM module in the different modes is different as shown in table 1. The default mode when there is no communication is the idle mode. Wherein, serving cell can record current service cell number, BCCH (Broadcast Control Channel ) can record current broadcast control channel number, BSIC (Base Station Identity Code, base station identification code) is used to record base station identification code. C1 is a cell selection parameter, for cell selection, and the MRM module is attached to the highest value cell. C2 is a cell reselection parameter, and cell reselection is based on C2. C2 is formed based on C1 and incorporates some artificial bias parameters, such as no human intervention, c1=c2.
DSC denotes a downlink failure counter, and dsx_max denotes a downlink failure counter maximum value. service state indicates a network service state, where 00 indicates no service, 01 indicates that only emergency calls can be used, 02 indicates normal service, and 03 indicates that the state is not determined. LAC (Location Area Code) the location area code, MCC (Mobile Country Code) the mobile country code, MNC (Mobile network Code) the mobile network code, NCH (Notification Channel) the Notification channel, notification/NCH the current Notification from NCH. For example, notification 0620eb2b2b2b2b2b2b2b2b2b2b is binary data, is a standard 3GPP defined format, and can be further viewed with a decoding tool.
PagingRequest Type 1 is paging request type 1. The network pages two mobile stations including paging mode, channels required by mobile stations 1 and 2, mobile identification 1, mobile identification 2, etc. SystemInformation Type 2 is system information type 2, control information indicating RACH (random access channel) and BCCH information of neighbor cells, which the network transmits on the BCCH (Broadcast Control Channel ) to all mobile stations.
The L1 data is first layer data, i.e., physical layer data. RR data is a radio resource management message, and is controlled by MS (Mobile Station), BTS (Base Transceiver Station ) and BSC (Base Station Controller, base Station controller), so as to implement Paging management, encryption management, frequency point allocation, channel allocation, cell switching, measurement, power control, and the like.
MM data is a mobility management message, and is controlled by MS and BSC to implement authentication and identity recognition, location update, and TMSI attach.
Table 1 Trace data recorded in different modes
On the basis of the above embodiment, the MRM module in this embodiment includes a DB15 connector; the analyzing the reason for the wireless overtime fault of the GSM-R radio station according to the Trace data comprises the following steps: the Trace data is downloaded by programming a cable through software of the MRM module; one end of the software programming cable is connected with the DB15 connector, and the other end of the software programming cable is connected with a downloading terminal; and analyzing the reason of the wireless overtime fault of the GSM-R radio station according to the downloaded Trace data.
Trace data can be transmitted through an Ethernet interface, and a real-time data monitoring mode and an offline recording mode are supported. Because of the field application, trace data can be downloaded through the portal once a day.
When downloading Trace data, a special downloading line, namely a software programming cable of the MT module, is used, one end of the special downloading line is connected with the DB15 connector of the module, and the other end of the special downloading line is connected with a network port of a downloading terminal to download Trace data. The fault data of the embodiment is simply downloaded, and the Ethernet interface wire can download the fault data.
Based on the above embodiment, in this embodiment, under the condition that the GSM-R station has a radio timeout fault, collecting Trace data of the GSM-R station by an MRM module of the GSM-R station includes: testing whether the MRM module normally establishes a wireless call and recording data for the call;
and carrying out wireless call establishment test on the MRM module, testing whether the call function of the MRM module is normal, whether data are recorded or not, and seeing the AT instruction and the related cell information.
Testing whether a signal strength value in the recorded data changes when the signal field strength of the wireless call is changed;
and changing the signal field intensity to carry out wireless calling and confirming the recorded data content. When the intensity of the signal field is adjusted, whether the signal intensity value in the recorded data is changed along with the signal intensity value, and whether the change amplitude is normal or not is recorded.
And performing copying test on the MRM module, and judging whether the recording duration of the recorded data reaches a preset range.
And copying test is carried out on the MRM module, and whether the data recording duration reaches a preset range is confirmed. Alternatively, the preset range is 9 to 10 hours.
In addition, whether the data storage function of the MRM module is normal or not is judged, and whether the stored data can be successfully downloaded or not is judged.
Before Trace data is collected by using the MRM module, whether the function of the MRM module is normal or not is tested, and under the condition that the function is normal, trace data is collected by using the MRM module, so that the reliability of Trace data collection is improved.
Based on the foregoing embodiment, in this embodiment, analyzing, according to the Trace data, a cause of a radio timeout failure of the GSM-R station includes: determining whether the communication process of the GSM-R radio station is interrupted or not according to the CC message or the AT instruction in the Trace data;
a complete call setup release procedure comprises the steps of:
1. call setup procedure.
The mobile station sends a set up message to the network, and the MSC (Mobile Switching Center ) receives the set up message and then performs call connection to confirm whether to accept the request by checking. If some items can not pass, a release complete message is sent to the MS, the call establishment fails, the MS releases the signaling link of the bottom layer, and then the MS is switched into an idle state; if so, a call proceeding message is sent to the MS.
2. Voice channel assignment process.
After the MSC sends a call proceeding to the MS, a assignment request message is sent to the BSC according to the requirement of the service request, and the BSC is required to allocate a TCH service channel for the call.
3. And (5) call connection process.
After BSC receives assignment, MSC sends initialization address message to called party, if MSC receives address completion message successfully, then sends ringing and connect message to MS to suggest connection; if the call setup fails for some reason, a release message is received.
4. The call connection is released.
5. RR connection is released.
Optionally, after Trace data is collected, the Trace data is parsed into data in txt or excel format. And screening CC messages from the parsed data, wherein the release complete message and the release message in the steps belong to the CC messages. Judging whether interruption occurs in the communication process according to the CC message.
If the AT command is a Channel release message or a Immediate assignment message, the method can also judge whether an interruption occurs in the communication process.
If the communication process of the GSM-R radio station is interrupted, determining whether the reason for the wireless overtime fault of the GSM-R radio station is network abnormality according to the wireless environment of the train where the GSM-R radio station is located at the recorded time;
if the communication process of the GSM-R radio station is interrupted, the specific reason of the wireless overtime fault is analyzed according to the wireless environment of the train AT the position where the CC message or the AT command is recorded.
And judging whether the current network is abnormal or not according to the signal level value, TA (Timing Advance) value, signal quality, the broadcast control channel currently used by the current cell, the independent dedicated control channel and the current service channel of the cell at the position of the train. For example, it is determined whether the signal level value is too low, the TA value is out of range, the signal quality is too bad, and the handover of the current cell is reasonable and the channel handover is abnormal. Whether the handover of the current cell reasonably includes whether the number of handovers is too frequent.
If the reason of the radio timeout fault of the GSM-R radio station is not network abnormality, determining whether the reason of the radio timeout fault of the GSM-R radio station is abnormality of the MRM module or abnormality of the GSM-R radio station according to the running state information of the MRM module or the running state information of the GSM-R radio station in Trace data.
If the network of the GSM-R radio station is normal through analysis, whether the running states of the MRM module and the GSM-R radio station are normal is further judged. The operational status information of the MRM module includes restart faults, abnormal faults, and field-occurring CT (Communication Technology ) signal anomalies. The operating status information of the GSM-R station includes a communication board card failure.
In the embodiment, whether the reason of the wireless overtime fault of the GSM-R radio station is network abnormality or whether the reason is MRM module abnormality or GSM-R radio station abnormality is judged through Trace data, so that the data is more comprehensive, and the accuracy of wireless overtime fault analysis is improved.
Based on the above embodiment, in this embodiment, determining whether the cause of the radio timeout failure of the GSM-R station is a network anomaly according to the radio environment where the train where the GSM-R station is located at the recorded time includes: judging whether the recording time of the CC message or the AT instruction is consistent with the running time of the train or not;
if the recording time is consistent with the running time, determining whether the reason of the wireless overtime fault of the GSM-R radio station is network abnormality according to the wireless environment of the train where the GSM-R radio station is located at the position of the recording time.
And checking the time of the CC message or the time of the AT command recorded by the MRM module with the running time of the train, and if the time is consistent with the running time of the train, determining that the wireless timeout fault actually occurs AT the moment.
The GSM-R radio time-out fault analysis system provided by the invention is described below, and the GSM-R radio time-out fault analysis system described below and the GSM-R radio time-out fault analysis method described above can be correspondingly referred to each other.
As shown in fig. 5, the system includes an acquisition module 501 and an analysis module 502, wherein:
the acquisition module 501 is configured to acquire Trace data of a GSM-R radio station through an MRM module of the GSM-R radio station when the GSM-R radio station has a radio timeout fault; the Trace data comprises Um port data between the GSM-R radio station and a base station;
the analysis module 502 is configured to analyze a cause of the radio timeout failure of the GSM-R station according to the Trace data.
Under the condition that the GSM-R radio station has a wireless overtime fault, the MRM module with the Trace data recording function is used for collecting Trace data of the GSM-R radio station, and the Trace data comprises Um port data between the GSM-R radio station and a base station, so that the reason analysis of the wireless overtime fault is more accurate, the method is simple, and only the MRM module in the existing GSM-R radio station needs to be replaced.
Fig. 6 illustrates a physical schematic diagram of an electronic device, as shown in fig. 6, which may include: processor 610, communication interface (Communications Interface) 620, memory 630, and communication bus 640, wherein processor 610, communication interface 620, and memory 630 communicate with each other via communication bus 640. Processor 610 may invoke logic instructions in memory 630 to perform a GSM-R station radio timeout fault analysis method comprising: under the condition that a GSM-R radio station has a wireless overtime fault, acquiring Trace data of the GSM-R radio station through an MRM module of the GSM-R radio station; the Trace data comprises Um port data between the GSM-R radio station and a base station; and analyzing the reason of the wireless overtime fault of the GSM-R radio station according to the Trace data.
Further, the logic instructions in the memory 630 may be implemented in the form of software functional units and stored in a computer-readable storage medium when sold or used as a stand-alone product. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
In another aspect, the present invention also provides a computer program product, where the computer program product includes a computer program, where the computer program can be stored on a non-transitory computer readable storage medium, where the computer program when executed by a processor can perform a method for analyzing a radio timeout failure of a GSM-R station provided by the above methods, and the method includes: under the condition that a GSM-R radio station has a wireless overtime fault, acquiring Trace data of the GSM-R radio station through an MRM module of the GSM-R radio station; the Trace data comprises Um port data between the GSM-R radio station and a base station; and analyzing the reason of the wireless overtime fault of the GSM-R radio station according to the Trace data.
In yet another aspect, the present invention further provides a non-transitory computer readable storage medium having stored thereon a computer program which, when executed by a processor, is implemented to perform the method for analyzing a GSM-R radio station radio timeout failure provided by the above methods, the method comprising: under the condition that a GSM-R radio station has a wireless overtime fault, acquiring Trace data of the GSM-R radio station through an MRM module of the GSM-R radio station; the Trace data comprises Um port data between the GSM-R radio station and a base station; and analyzing the reason of the wireless overtime fault of the GSM-R radio station according to the Trace data.
The system embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
From the above description of the embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus necessary general hardware platforms, or of course may be implemented by means of hardware. Based on this understanding, the foregoing technical solution may be embodied essentially or in a part contributing to the prior art in the form of a software product, which may be stored in a computer readable storage medium, such as ROM/RAM, a magnetic disk, an optical disk, etc., including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method described in the respective embodiments or some parts of the embodiments.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (8)

1. A method for analyzing a radio timeout failure of a GSM-R station, comprising:
under the condition that a GSM-R radio station has a wireless overtime fault, acquiring Trace data of the GSM-R radio station through an MRM module of the GSM-R radio station; the Trace data comprises Um port data between the GSM-R radio station and a base station;
analyzing the reason of the wireless overtime fault of the GSM-R radio station according to the Trace data, and determining the quality of the current wireless network and the actual strength of the current network according to the wireless communication information of the current cell and the adjacent cell in the Trace data and the cell switching related information; determining the reason of the wireless overtime fault according to whether the current wireless network quality and the actual strength of the current network belong to a normal range;
the MRM module of the GSM-R radio station is used for collecting Trace data of the GSM-R radio station, comprising the following steps:
collecting Trace data of the GSM-R radio station in different communication modes by the MRM module of the GSM-R radio station, wherein the contents recorded by the MRM module in different modes are different, and the MRM module records channel identification, broadcast control channel, network color code, broadcast call control, cell identification, mobile service code, mobile network number, location area code, cell reselection measurement, channel description and radio link control of the current cell and records broadcast control channel, network color code, broadcast call control, cell identification, same location area identification, forbidden access cell, cell reselection measurement and radio link control of the adjacent cell;
the communication modes comprise an idle mode, a special mode and a monitoring mode;
in the idle mode, the MRM module is in an AT instruction state;
in the dedicated mode, the MRM module is in a data communication state;
in communication mode, the MRM module listens for a multicast call or a broadcast call.
2. The GSM-R station radio timeout fault analysis method according to claim 1, wherein the MRM module comprises a DB15 connector;
the analyzing the reason for the wireless overtime fault of the GSM-R radio station according to the Trace data comprises the following steps:
the Trace data is downloaded by programming a cable through software of the MRM module; one end of the software programming cable is connected with the DB15 connector, and the other end of the software programming cable is connected with a downloading terminal;
and analyzing the reason of the wireless overtime fault of the GSM-R radio station according to the downloaded Trace data.
3. The method for analyzing radio timeout failure of a GSM-R station according to claim 1 or 2, wherein the acquiring Trace data of the GSM-R station by the MRM module of the GSM-R station in the case that the radio timeout failure occurs in the GSM-R station comprises:
testing whether the MRM module normally establishes a wireless call and recording data for the call;
testing whether a signal strength value in the recorded data changes when the signal field strength of the wireless call is changed;
performing copying test on the MRM module, and judging whether the recording duration of the recorded data reaches a preset range;
after all the tests of the MRM module are passed, if the GSM-R radio station has a wireless overtime fault, the Trace data of the GSM-R radio station are collected through the MRM module of the GSM-R radio station.
4. The method for analyzing a radio timeout fault of a GSM-R station according to claim 1 or 2, wherein the analyzing the cause of the radio timeout fault of the GSM-R station according to the Trace data comprises:
determining whether the communication process of the GSM-R radio station is interrupted or not according to the CC message or the AT instruction in the Trace data;
if the communication process of the GSM-R radio station is interrupted, determining whether the reason for the wireless overtime fault of the GSM-R radio station is network abnormality according to the wireless environment of the position of the train where the GSM-R radio station is located AT the recording time of the CC message or the AT instruction;
if the reason of the radio timeout fault of the GSM-R radio station is not network abnormality, determining whether the reason of the radio timeout fault of the GSM-R radio station is abnormality of the MRM module or abnormality of the GSM-R radio station according to the running state information of the MRM module or the running state information of the GSM-R radio station in Trace data.
5. The method for analyzing a radio timeout fault of a GSM-R station according to claim 4, wherein the determining whether the cause of the radio timeout fault of the GSM-R station is a network anomaly according to a radio environment of a location of the train in which the GSM-R station is located at the recording time comprises:
judging whether the recording time of the CC message or the AT instruction is consistent with the running time of the train or not;
if the recording time is consistent with the running time, determining whether the reason of the wireless overtime fault of the GSM-R radio station is network abnormality according to the wireless environment of the train where the GSM-R radio station is located at the position of the recording time.
6. A GSM-R station wireless time-out fault analysis system, comprising:
the acquisition module is used for acquiring Trace data of the GSM-R radio station through the MRM module of the GSM-R radio station under the condition that the GSM-R radio station has a wireless overtime fault; the Trace data comprises Um port data between the GSM-R radio station and a base station;
the analysis module is used for analyzing the reason of the wireless overtime fault of the GSM-R radio station according to the Trace data, and determining the quality of the current wireless network and the actual strength of the current network according to the wireless communication information of the current cell and the adjacent cell in the Trace data and the cell switching related information; determining the reason of the wireless overtime fault according to whether the current wireless network quality and the actual strength of the current network belong to a normal range;
the acquisition module is used for:
collecting Trace data of the GSM-R radio station in different communication modes by the MRM module of the GSM-R radio station, wherein the contents recorded by the MRM module in different modes are different, and the MRM module records channel identification, broadcast control channel, network color code, broadcast call control, cell identification, mobile service code, mobile network number, location area code, cell reselection measurement, channel description and radio link control of the current cell and records broadcast control channel, network color code, broadcast call control, cell identification, same location area identification, forbidden access cell, cell reselection measurement and radio link control of the adjacent cell;
the communication modes comprise an idle mode, a special mode and a monitoring mode;
in the idle mode, the MRM module is in an AT instruction state;
in the dedicated mode, the MRM module is in a data communication state;
in communication mode, the MRM module listens for a multicast call or a broadcast call.
7. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements a GSM-R station wireless time-out failure analysis method according to any one of claims 1 to 5 when the program is executed by the processor.
8. A non-transitory computer readable storage medium having stored thereon a computer program, which when executed by a processor implements a GSM-R station radio timeout fault analysis method according to any one of claims 1 to 5.
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