CN110392359A - Vehicle ground LTE communication system for the transmission of train part damage data - Google Patents
Vehicle ground LTE communication system for the transmission of train part damage data Download PDFInfo
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- CN110392359A CN110392359A CN201810351383.5A CN201810351383A CN110392359A CN 110392359 A CN110392359 A CN 110392359A CN 201810351383 A CN201810351383 A CN 201810351383A CN 110392359 A CN110392359 A CN 110392359A
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- lte
- vehicle
- base station
- transmission
- access
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 59
- 238000004891 communication Methods 0.000 title claims abstract description 24
- 238000009434 installation Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 101100482117 Saimiri sciureus THBD gene Proteins 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0069—Transmission or use of information for re-establishing the radio link in case of dual connectivity, e.g. decoupled uplink/downlink
-
- 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]
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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)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The present invention provides a kind of vehicle ground LTE communication system for the transmission of train part damage data, include: vehicle-mounted access subsystem, vehicle transmission subsystem and ground access transmission subsystem, the vehicle-mounted access subsystem includes LTE cpe device and the external antenna that is arranged on train body, and by the external antenna, with the vehicle transmission subsystem is wirelessly connected the LTE cpe device；The vehicle ground transmission subsystem including at least two LTE vehicles base station eNodeB, LTE core network and couple in router, the LTE vehicle base station eNodeB be wirelessly connected by the external antenna and the LTE cpe device；The ground access transmission subsystem includes WiFi access gateway access gateway and RNC, and the WiFi access gateway and RNC are connect with the couple in router by wiredly and/or wirelessly mode.Vehicle according to the present invention for the transmission of train part damage data LTE communication system data transmission support can be provided for bullet train part replacement and maintenance decision.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of vehicle suitable for the transmission of train part damage data
LTE communication system.
Background technique
In the 1950s, track controller begins to use train radio tune in Chinese Railway Platform attendant and marshalling yard
Radio telephone in spending phone and standing, uses working frequency for the electronics tube apparatus of 2MHz and 40MHz.It all uses instead the beginning of the seventies
The transistor arrangement of 150MHz and 450MHz frequency range.The beginning of the eighties, promoted and applied on marshalling yard carry small-sized 150MHz,
Radio telephone in the station of 450MHz.The radio telephone of Along Railway upkeep operation personnel is also promoted the use of in succession.Road maintaining, construction
Alarming wireless device is also rapidly developed and is applied, and has carried out the train dispatching radiophone examination of Mountain Tunnels section
It tests.
Currently, the frequency range in Chinese Railway is uplink 885-889MHz, down direction 930-934MHz.The vehicle used
Communication system is GSM-R system, which includes network subsystem (NSS), base station sub-system (BSS), operation and business support
Four parts such as subsystem (OSS/BSS) and terminal device.Wherein, network subsystem includes mobile switch subsystem (SSS), moves
Dynamic intelligent network (IN) subsystem and General Packet Radio Service (GPRS) subsystem.GSM-R system uses master-slave synchronisation mode,
The equipment such as TMSC, MSC, HLR, SCP should obtain timing signal from BITS equipment nearby, and MSC to the G digital link between BSS is answered
It is used as synchronization link, BSS obtains synchronizing clock signals from MSC, can also extract from nearest BITS equipment or SDH equipment same
Step clock signal.GSM-R Transmission system refers to that the connection between each subsystem of GSM-R system provides the Digital Transmission in channel
System, including GSM-R system are to provide to transmit matching unit necessary to basic service, such as transmit light, cable and transmission device,
But does not include the interface channel between repeater remote termination and near-end machine, do not include the connection such as antenna feeder yet.
But the communication modes, with handoff links are unable between existing ground base station, the coverage area of wireless signal is small,
Lead to signal Transmission between the base station Liang Ge of ground, seriously affects data transmission real-time, stability, it is especially high
Fast train composition damage monitoring data transmission is very high for the requirement of real-time of data, and GSM-R system cannot be met the requirements.
Summary of the invention
A series of concept of reduced forms is introduced in Summary, this will in the detailed description section into
One step is described in detail.Summary of the invention is not meant to attempt to limit technical solution claimed
Key feature and essential features do not mean that the protection scope for attempting to determine technical solution claimed more.
A kind of vehicle ground LTE for the transmission of train part damage data is disclosed according to an aspect of an embodiment of the present invention
Communication system, comprising: vehicle-mounted access subsystem, vehicle transmission subsystem and ground access transmission subsystem,
The vehicle-mounted access subsystem includes LTE cpe device and the external antenna that is arranged on train body, described
By the external antenna, with the vehicle transmission subsystem is wirelessly connected LTE cpe device；
The vehicle transmission subsystem including at least two LTE vehicles base station eNodeB, LTE core network and access routing
Device, the LTE vehicle base station eNodeB be wirelessly connected by the external antenna and the LTE cpe device, the LTE
Vehicle base station eNodeB and the LTE core network wirelessly connect, the LTE core network and the couple in router are logical
Wiredly and/or wirelessly mode is crossed to connect；
The ground access transmission subsystem includes WiFi access gateway access gateway and RNC, the WiFi access gateway
It is connect with RNC with the couple in router by wiredly and/or wirelessly mode.
In one embodiment of the invention, the vehicle-mounted access subsystem further includes WiFiAP access device, described
WiFi AP access device is connect by Ethernet or wireless mode with the LTE cpe device.
In one embodiment of the invention, the vehicle-mounted access subsystem further includes the base station 2/3GFemto, and described 2/
The base station 3GFemto is wirelessly connected by the external antenna and the couple in router.
In one embodiment of the invention, the LTE vehicle base station eNodeB installed along route predetermined, and
And wireless transmission and reception are carried out by LTE radio open agreement.
In one embodiment of the invention, have between base station eNodeB overlapping logical to the LTE vehicle to adjoin each other
Believe overlay area.
In one embodiment of the invention, the LTE vehicle base station eNodeB be configured to when train by one of LTE
Vehicle base station eNodeB overlay area into another LTE vehicle the overlay area of base station eNodeB when, by previous LTE vehicle
The service connection of ground base station eNodeB is with being switched to current LTE vehicle in base station eNodeB.
It is according to the present invention for train part damage data transmission vehicle LTE communication system bullet train may be implemented
It is constantly in connection status with ground base station, oneself switching signal can be carried out between two neighboring ground base station, to guarantee
Signal between train and ground base station does not interrupt, and the real time monitoring of high-speed railway key position service state is realized, to be
Bullet train part replacement and maintenance decision provide data transmission and support.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the present invention, for those of ordinary skill in the art, without any creative labor, also
Other attached drawings can be obtained according to these attached drawings:
Fig. 1 is one of the LTE communication system implementation in the vehicle according to the present invention for the transmission of train part damage data ground
The structural schematic diagram of example；
Fig. 2 for the vehicle according to the present invention for the transmission of train part damage data show by LTE communication system detailed construction
It is intended to.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Simultaneously, it should be appreciated that for ease of description, the size of various pieces shown in attached drawing is not according to reality
Proportionate relationship draw.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
The embodiment of the present invention can be applied to computer system/central server, can with it is numerous other general or specialized
Computing system environment or configuration operate together.Suitable for the well-known meter being used together with computer system/central server
Calculation system, environment and/or the example of configuration include but is not limited to: personal computer system, central server computer system, thin
Client computer, thick client computer, hand-held or laptop devices, microprocessor-based system, set-top box, programmable consumer electronics,
NetPC Network PC, minicomputer system, large computer system and the distributed cloud computing skill including above-mentioned any system
Art environment, etc..
Computer system/central server can be (all in the computer system executable instruction executed by computer system
Such as program module) describe under context.In general, program module may include routine, program, target program, component, patrol
Volume, data structure etc., they execute specific tasks or realize specific abstract data type.Computer system/center
Server can be implemented in distributed cloud computing environment, and in distributed cloud computing environment, task is by by communication network chain
What the remote processing devices connect executed.In distributed cloud computing environment, it includes the sheet for storing equipment that program module, which can be located at,
On ground or remote computing system storage medium.
" first ", " second " hereinafter is only used for distinguishing in description, and there is no other special meanings.
Fig. 1 is one of the LTE communication system implementation in the vehicle according to the present invention for the transmission of train part damage data ground
The structural schematic diagram of example.
As shown in Figure 1, the present embodiment disclosed vehicle for the transmission of train part damage data ground LTE communication system 200
Including vehicle-mounted access subsystem 201, vehicle transmission subsystem 202 and ground access transmission subsystem 203, the vehicle-mounted access is sub
With wireless transmission method, with vehicle transmission subsystem 202 is connected system 201, the vehicle transmission subsystem 202 be wirelessly transferred
Mode is connected with ground access transmission subsystem 203, and damage data acquisition device 100 passes through the vehicle-mounted access subsystem 201
With accessing LTE vehicle communication system, ground surface damage diagnostic center 300 access transmission subsystem 203 by the ground and access LTE vehicle
Ground communication system, so that by the vehicle LTE is logical for damage data acquisition device 100 and ground surface damage diagnostic center 300
News system 200 realizes data transmission.
Fig. 2 for the vehicle according to the present invention for the transmission of train part damage data show by LTE communication system detailed construction
It is intended to.
As shown in Fig. 2, in the present embodiment, the vehicle-mounted access subsystem 201 includes being mounted on inside train body
LTE cpe device 2010, WiFi AP access device 2011 and the base station 2/3GFemto 2012, and be mounted on outside train body
External antenna 2013.The LTE cpe device 2010 passes through with the vehicle the transmission subsystem 202 of the external antenna 2013
It is wirelessly connected；The WiFi AP access device 2011 passes through Ethernet or wireless mode and the LTE CPE2010 equipment
Connection；The base station 2/3GFemto 2012 is wirelessly connected by the external antenna 2013 with the couple in router 2022
It connects.Illustratively, the external antenna 2013 uses the enhanced Antenna Design of circular polarisation, to improve signal reception and resist dry
Disturb ability.
The vehicle transmission subsystem 202 including LTE vehicle base station eNodeB2020, LTE core network 2021 and access road
By device 2022, the LTE vehicle base station eNodeB2020 by the external antenna 2013 and the LTE cpe device 2010 into
Row is wirelessly connected, the LTE vehicle base station eNodeB2020 and the LTE core network 2021 wirelessly connect, it is described
LTE core network 2021 is connect with the couple in router 2022 by wiredly and/or wirelessly mode.
The LTE vehicle base station eNodeB2020 quantity can according to being disposed, for example including two or two with
On, illustratively, in the present embodiment, LTE vehicle ground base station eNodeB2020 including at least LTE vehicle base station eNodeB1
With LTE vehicle base station eNodeB2.Illustratively, the LTE vehicle base station eNodeB2020 pacify along route predetermined
Dress, and wireless transmission and reception are carried out by LTE radio open agreement.Such as the LTE vehicle base station eNodeB2020 along
Train passage route carries out installation and deployment, and carries out wireless transmission and reception by LTE radio open agreement.In order to avoid signal
Transmission problem has overlapping communication between the eNodeB2020 of base station to the LTE vehicle to adjoin each other in the present embodiment
Overlay area, and the LTE vehicle base station eNodeB2020 be configured to when train by one of LTE vehicle base station eNodeB
Overlay area into another LTE vehicle the overlay area of base station eNodeB when, by previous LTE vehicle base station eNodeB
Service connection is with being switched to current LTE vehicle in base station eNodeB.Such as LTE vehicle ground base station eNodeB1 and LTE vehicle ground base station
ENodeB2 have overlapping overlay area, and when train by LTE vehicle base station eNodeB1 overlay area with entering LTE vehicle
When the overlay area of base station eNodeB 2, then by LTE vehicle the service connection of base station eNodeB1 with being switched to LTE vehicle base station
On eNodeB2.
The ground access transmission subsystem 203 includes wifi access gateway 2030 and RNC2031, and the WiFi accesses net
2030 and RNC2031 is closed to connect with the couple in router 2022 by wiredly and/or wirelessly mode.
Vehicle provided by the above embodiment for the transmission of train part damage data the data of LTE communication system be transmitted across
Journey are as follows: the signal transmitted in preferred vehicle-mounted LTECPE equipment 2010 passes through to the vehicle the transmission subsystem of external antenna 2013
LTE vehicle in 202 base station eNodeB1 carry out transmission information, when in train body with entering vehicle transmission subsystem 202
LTE vehicle base station eNodeB2 signal range of receiving when LTE vehicle ground base station eNodeB2020 by LTE vehicle base station eNodeB1
Service chaining with being switched to LTE vehicle on the eNodeB2 of base station, thus with guaranteeing train body and LTE vehicle base station
Signal between eNodeB2020 does not interrupt, and greatly increases signal cover of train body during starting；So
Afterwards the LTE vehicle the information that receives of base station eNodeB2020 arrived by the LTE wireless network transmissions in LTE core network 2021
On couple in router 2022, by LTE vehicle signal is transmitted to WiFi access to couple in router 2022 on the eNodeB2020 of base station again
In gateway 2030 and/or RNC2031, last 2011 ether net mode of WiFiAP access device and airborne LTECPE equipment 2010 into
Row information transmission communication, WiFi access gateway 2030 and vehicle-mounted LTECPE equipment 2010 carry out information exchange, realize that train is crucial
Portion structure damage monitoring real-time data transmission.At the same time, train body can also pass through 2/3G during starting
The base station femto 2012 wirelessly passes through in couple in router 2022 constantly to WiFi access gateway 2030 and/or RNC2031
Information transmission is carried out, last WiFi access gateway 2030 carries out information exchange with vehicle-mounted LTECPE equipment 2010, reaches with this
Higher signal cover during starting.
Vehicle provided by the above embodiment for the transmission of train part damage data LTE communication system have it is following excellent
Point:
1, LTE vehicle signal service link between the train body of base station can carry out firm quickly switching, increase
The signal cover of train body.
2, train body is all that LTE vehicle base station received signal, signal receive stabilization, increase by external antenna
Wireless signal stability of the train key position structure damage monitoring data in train body.
Methods and apparatus of the present invention, equipment may be achieved in many ways.For example, software, hardware, firmware can be passed through
Or any combination of software, hardware, firmware realizes methods and apparatus of the present invention, equipment.The step of for method
Sequence is stated merely to be illustrated, the step of method of the invention is not limited to sequence described in detail above, unless with other
Mode illustrates.In addition, in some embodiments, the present invention can be also embodied as recording program in the recording medium, this
A little programs include for realizing machine readable instructions according to the method for the present invention.Thus, the present invention also covers storage for holding
The recording medium of the program of row according to the method for the present invention.
Description of the invention is given for the purpose of illustration and description, and is not exhaustively or will be of the invention
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.It selects and retouches
It states embodiment and is to more preferably illustrate the principle of the present invention and practical application, and those skilled in the art is enable to manage
The solution present invention is to design various embodiments suitable for specific applications with various modifications.
Claims (6)
1. a kind of vehicle ground LTE communication system for the transmission of train part damage data characterized by comprising vehicle-mounted access
Subsystem, vehicle transmission subsystem and ground access transmission subsystem,
The vehicle-mounted access subsystem includes LTE cpe device and the external antenna that is arranged on train body, the LTE
By the external antenna, with the vehicle transmission subsystem is wirelessly connected cpe device；
The vehicle ground transmission subsystem including at least two LTE vehicles base station eNodeB, LTE core network and couple in router, institute
Base station eNodeB is wirelessly connected by the external antenna and the LTE cpe device with stating LTE vehicle, the LTE vehicle
Base station eNodeB and the LTE core network wirelessly connect, and the LTE core network is with the couple in router by having
Line and/or wireless mode connection；
The ground access transmission subsystem includes WiFi access gateway and RNC, and the WiFi access gateway and RNC connect with described
Enter router to connect by wiredly and/or wirelessly mode.
2. the system as claimed in claim 1, which is characterized in that the vehicle-mounted access subsystem further includes that WiFi AP access is set
Standby, the WiFi AP access device is connect by Ethernet or wireless mode with the LTE cpe device.
3. the system as claimed in claim 1, which is characterized in that the vehicle-mounted access subsystem further includes the base station 2/3GFemto,
The base station 2/3GFemto is wirelessly connected by the external antenna and the couple in router.
4. the system as claimed in claim 1, which is characterized in that the LTE vehicle base station eNodeB along line predetermined
Road installation, and wireless transmission and reception are carried out by LTE radio open agreement.
5. the system as claimed in claim 1, which is characterized in that have between base station eNodeB to the LTE vehicle to adjoin each other
There is overlapping communication overlay area.
6. the system as claimed in claim 1, which is characterized in that the LTE vehicle base station eNodeB be configured to when train by it
In LTE vehicle base station eNodeB overlay area into another LTE vehicle the overlay area of base station eNodeB when, will before
One LTE vehicle base station eNodeB service connection with being switched to current LTE vehicle in base station eNodeB.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810351383.5A CN110392359A (en) | 2018-04-17 | 2018-04-17 | Vehicle ground LTE communication system for the transmission of train part damage data |
| PCT/CN2019/082490 WO2019201175A1 (en) | 2018-04-17 | 2019-04-12 | Train-ground lte communication system for damage data transmission of train components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810351383.5A CN110392359A (en) | 2018-04-17 | 2018-04-17 | Vehicle ground LTE communication system for the transmission of train part damage data |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110392359A true CN110392359A (en) | 2019-10-29 |
Family
ID=68240427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810351383.5A Pending CN110392359A (en) | 2018-04-17 | 2018-04-17 | Vehicle ground LTE communication system for the transmission of train part damage data |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110392359A (en) |
| WO (1) | WO2019201175A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112839318A (en) * | 2021-01-11 | 2021-05-25 | 广东省电信规划设计院有限公司 | High-speed rail 5G coverage system, system simulation method and device and computer equipment |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115913267B (en) * | 2023-01-04 | 2023-05-30 | 慧铁科技有限公司 | High-speed communication device for vehicle and ground |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2019201175A1 (en) | 2019-10-24 |
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