CN103036649B - Based on the fault pre-alarming Information heterogeneity multiplex wireless transmission method of bullet train - Google Patents
Based on the fault pre-alarming Information heterogeneity multiplex wireless transmission method of bullet train Download PDFInfo
- Publication number
- CN103036649B CN103036649B CN201210544467.3A CN201210544467A CN103036649B CN 103036649 B CN103036649 B CN 103036649B CN 201210544467 A CN201210544467 A CN 201210544467A CN 103036649 B CN103036649 B CN 103036649B
- Authority
- CN
- China
- Prior art keywords
- information
- module
- fault
- alarming
- fault pre
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The present invention relates to a kind of fault pre-alarming Information heterogeneity multiplex wireless transmission method based on bullet train, comprise transmitting terminal information transmission and receiving terminal information transmission, information transmission is carried out by wireless channel between transmitting terminal and receiving terminal, transmitting terminal carries out feature extraction and randomization to fault pre-alarming information, fault message grade separation, the information obtained and the failure information database of transmitting terminal carry out code comparison, after result send binary channels low bit-rate heterogeneous channel coding and interleaving block, enter frame data Multiplexing module, form the multiplexing fault message of frame, by giving multiple-input and multiple-output digital modulated radio frequency unit after baseband signal pretreatment unit, data are sent, otherwise receiving terminal transmission then, Module cycle Test coverage multi-mode link is all increased in reception and transmission information transmission, increase the reliability of troubleshooting.The method can to the high believable wireless transmission of fault pre-alarming information realization, realizes convenient, accident analysis efficiently and process.
Description
Technical field
The present invention relates to a kind of communication means, particularly a kind of fault pre-alarming Information heterogeneity multiplex wireless transmission method based on bullet train.
Background technology
Safety and high speed are two general objectives that high speed rail system is pursued, car-ground radio information transmission is an important and crucial part, running state of the vehicle, safe condition directly affect operation and the security situation of whole piece track circuit, credible and efficient car-ground communication system is the key ensureing train command scheduling, security of operation, is the requirements improving operating service quality to the Real-Time Monitoring of train fault early warning information data.Therefore, one independently train fault early warning information wireless transmission scheme can monitor train operation fault message in real time, be very important and necessity for railway traffic.
Summary of the invention
The present invention be directed to independently train fault early warning information wireless transmission to the problem of bullet train security emphasis, propose a kind of fault pre-alarming Information heterogeneity multiplex wireless transmission method based on bullet train, the method can independent of other car-ground radio data transmission system, real-time monitoring vehicle fault pre-alarming information, classification is extracted, store and preliminary treatment, adopt the chnnel coding of twin-channel low error rate and carry out isomery frame compound, information is through vehicle-mounted multi input and multi output rf terminal modulate emission, be transferred to ground control centre, malfunction analysis and problem shpoting is carried out to facilitate.
Technical scheme of the present invention is: a kind of fault pre-alarming Information heterogeneity multiplex wireless transmission method based on bullet train, comprises transmitting terminal information transmission and receiving terminal information transmission, carry out information transmission between transmitting terminal and receiving terminal by wireless channel,
Transmitting terminal information transmission: bullet train fault pre-alarming information intelligent gathers with compound sensor to transmitting terminal, after transmitting terminal carries out feature extraction and randomization to fault pre-alarming information, send and store pretreatment unit to fault message grade separation, after can storing information simultaneously, the information obtained and the failure information database of transmitting terminal carry out code comparison, fault pre-alarming information for high-level starts transmitting terminal emergency processing, after other early warning fault message send binary channels low bit-rate heterogeneous channel coding and interleaving block, enter frame data Multiplexing module, after forming the multiplexing fault message of frame, by giving multiple-input and multiple-output digital modulated radio frequency unit after baseband signal pretreatment unit, data are sent,
Receiving terminal information transmission: the information of reception is through Multiinputoutput digital demodulation unit digital demodulation unit, information after demodulation sends to baseband signal pretreatment unit, by the identification to definition frame, recovery system demodulating information, then the fault message frame before carrying out heterogeneous channel decoding is correlated with demultiplexing process, Heterogeneous Information before Turbo code and LDPC code decoder also original encoding, after binary-channel redundancy mode is decoded, enter fault information of correlation and carry out inversely related process against processing module, storage pretreatment unit is sent to carry out classifying and storing, finally to extraction vehicle mounted failure early warning information, deliver to intellectual analysis and processing terminal,
Module failure coverage test and state display module is all embedded in reception and transmission information transmission, increase Module cycle Test coverage multi-mode link, the source that the information that the information of binary channels low bit-rate heterogeneous channel coding module and baseband signal pretreatment unit export send many closed loops receiver module in module failure coverage test and state display module to send module failure to test after comparing to occur module again to enter information transmission as fault processes, and the information of confirmation result send display module to show.
Described Module cycle Test coverage multi-mode link carries out the scanning of fault chain to data randomisation process, fault hierarchical classification process, data double-way isomery Redundant process, data framing and digital base band processor process, first carry out Test coverage circulation first time scanning, if scanning comparison success, wait for and nextly cycle retest is set covers, if scan chain comparison failure, reduce sweep test and cover link, comparison again, until find fault data module, through intellectual analysis process, control treatment is carried out to malfunctioning module.
Beneficial effect of the present invention is: the fault pre-alarming Information heterogeneity multiplex wireless transmission method that the present invention is based on bullet train, to the high believable wireless transmission of fault pre-alarming information realization, can realize convenient, quick and reliable accident analysis and process.
Accompanying drawing explanation
Fig. 1 is transmitting terminal information transmission schematic block diagram in the fault pre-alarming Information heterogeneity multiplex wireless transmission method that the present invention is based on bullet train;
Fig. 2 is receiving terminal information transmission schematic block diagram in the fault pre-alarming Information heterogeneity multiplex wireless transmission method that the present invention is based on bullet train;
Fig. 3 is the logic control schematic diagram of module testing capping unit in the fault pre-alarming Information heterogeneity multiplex wireless transmission method that the present invention is based on bullet train.
Embodiment
Based on the fault pre-alarming Information heterogeneity multiplex wireless transmission method of bullet train, comprise transmitting terminal information transmission and receiving terminal information transmission, between transmitting terminal and receiving terminal, carry out information transmission by wireless channel.Transmitting terminal information transmission schematic block diagram as shown in Figure 1, bullet train fault pre-alarming information intelligent gathers with compound sensor to transmitting terminal, after transmitting terminal carries out feature extraction and randomization to fault pre-alarming information, send and store pretreatment unit to fault message grade separation, after can storing information simultaneously, carry out correlation process, the information obtained and the failure information database of transmitting terminal carry out code comparison, and the fault pre-alarming information for high-level starts transmitting terminal emergency processing.For tackling the channel low signal-to-noise ratio problem of bullet train, transmitting terminal have employed binary channels low bit-rate heterogeneous channel coding and interleaving block, to go forward side by side line correlation process, to reduce the impact of different noise, enter frame data Multiplexing module, after forming the multiplexing fault message of frame, by giving multiple-input and multiple-output digital modulated radio frequency unit after baseband signal pretreatment unit, data are sent, opposing high-speed mobile
inchannel fading.
If Fig. 2 is receiving terminal information transmission schematic block diagram, the information received is through Multiinputoutput digital demodulation unit digital demodulation unit, information after demodulation sends to baseband signal pretreatment unit, by the identification to definition frame, recovery system demodulating information, then the fault message frame before carrying out heterogeneous channel decoding is correlated with demultiplexing process
enteredturbo code and the LDPC code decoder module Heterogeneous Information also before original encoding, after binary-channel redundancy mode is decoded, enter fault information of correlation and carry out inversely related process against processing module, storage pretreatment unit is sent to carry out classifying and storing, finally to extraction vehicle mounted failure early warning information, deliver to intellectual analysis and processing terminal.
In order to grasp work and the malfunction of each operational module soft hardware performance, module failure coverage test and state display module is all embedded in reception and transmission information transmission, increase Module cycle Test coverage multi-mode link, the source that the information that the information of binary channels low bit-rate heterogeneous channel coding module and baseband signal pretreatment unit export send many closed loops receiver module in module failure coverage test and state display module to send module failure to test after comparing to occur module again to enter information transmission as fault processes, confirm that the information of result send display module to show.
See the logic control schematic diagram of module testing capping unit shown in accompanying drawing 3.Test coverage link mainly carries out the scanning of fault chain to data randomisation process, fault hierarchical classification process, data double-way isomery Redundant process, data framing and digital base band processor process, first carry out Test coverage circulation first time scanning, if scanning comparison success, wait for and nextly cycle retest is set covers, if scan chain comparison failure, reduce sweep test and cover link, comparison again, until find fault data module, through intellectual analysis process, carry out control treatment to malfunctioning module, test result and state show the most at last.
Claims (2)
1., based on a fault pre-alarming Information heterogeneity multiplex wireless transmission method for bullet train, it is characterized in that, comprise transmitting terminal information transmission and receiving terminal information transmission, between transmitting terminal and receiving terminal, carry out information transmission by wireless channel;
Transmitting terminal information transmission: the fault pre-alarming information collected is sent to fault pre-alarming information characteristics and extracts and randomization module by the information intelligent collection of bullet train fault pre-alarming and compound sensor, then after the extraction of fault pre-alarming information characteristics and randomization module carry out feature extraction and randomization to fault pre-alarming information, storage pretreatment unit is sent to classify to fault pre-alarming message level, can store information simultaneously, store the information after the grade separation of pretreatment unit output, enter after fault information of correlation processing module carries out correlation process, the fault pre-alarming information database obtaining the information after correlation process and transmitting terminal carries out code comparison, fault pre-alarming information for high-level starts transmitting terminal emergency processing, after other fault pre-alarming information first send binary channels low bit-rate heterogeneous channel coding module, again after the mapping of binary channels Heterogeneous Information with interleaving block process, enter frame data Multiplexing module, after forming the multiplexing fault message of frame, by giving multiple-input and multiple-output digital modulated radio frequency unit after baseband signal pretreatment unit, data are sent,
Receiving terminal information transmission: the information of reception is through Multiinputoutput digital demodulation unit digital demodulation, information after demodulation sends to baseband signal pretreatment unit, by the identification to definition frame, recovery system demodulating information, then the fault message frame before carrying out heterogeneous channel decoding is correlated with demultiplexing process, then Turbo code and the LDPC code decoder Heterogeneous Information also before original encoding is arrived, after binary-channel redundancy mode is decoded, enter fault information of correlation and carry out inversely related process against processing module, storage pretreatment unit is sent to carry out classifying and storing, finally extract vehicle mounted failure early warning information, deliver to intellectual analysis and processing terminal,
Module failure coverage test and state display module is all embedded in receiving terminal information transmission and transmitting terminal information transmission, increase Module cycle Test coverage multi-mode link, the information that binary channels low bit-rate heterogeneous channel coding module exports and the information that baseband signal pretreatment unit exports send the receiver module of the many closed loops in module failure coverage test and state display module, the source sending the module failure in module failure coverage test and state display module to test after comparing to occur module again to enter information transmission as fault processes, confirm that the information of result is sent the module testing object information in module failure coverage test and state display module to analyze and shown with state display module.
2. according to claim 1 based on the fault pre-alarming Information heterogeneity multiplex wireless transmission method of bullet train, it is characterized in that, described Module cycle Test coverage multi-mode link is to data randomisation process, fault hierarchical classification process, data double-way isomery Redundant process, data framing and digital base band processor process carry out the scanning of fault chain, first carry out Test coverage circulation first time scanning, if scanning comparison success, wait for and nextly cycle retest is set covers, if scan chain comparison failure, reduce sweep test and cover link, comparison again, until find malfunctioning module, through intellectual analysis process, control treatment is carried out to malfunctioning module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210544467.3A CN103036649B (en) | 2012-12-17 | 2012-12-17 | Based on the fault pre-alarming Information heterogeneity multiplex wireless transmission method of bullet train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210544467.3A CN103036649B (en) | 2012-12-17 | 2012-12-17 | Based on the fault pre-alarming Information heterogeneity multiplex wireless transmission method of bullet train |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103036649A CN103036649A (en) | 2013-04-10 |
| CN103036649B true CN103036649B (en) | 2016-04-27 |
Family
ID=48023172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210544467.3A Expired - Fee Related CN103036649B (en) | 2012-12-17 | 2012-12-17 | Based on the fault pre-alarming Information heterogeneity multiplex wireless transmission method of bullet train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103036649B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6423402B2 (en) * | 2015-12-16 | 2018-11-14 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ | Security processing method and server |
| CN107888397B (en) | 2016-09-30 | 2020-12-25 | 华为技术有限公司 | Method and device for determining fault type |
| CN108153278B (en) * | 2017-12-19 | 2019-08-30 | 卡斯柯信号有限公司 | CBTC signal system DCS fault diagnosis and early warning analysis method |
| CN108777605B (en) * | 2018-05-24 | 2020-04-07 | 西安电子科技大学 | Multi-chain SC-LDPC coding method suitable for block fading channel |
| CN109889369A (en) * | 2019-01-08 | 2019-06-14 | 北京全路通信信号研究设计院集团有限公司 | A kind of more net redundant data transmissions methods |
| CN112099395A (en) * | 2020-08-20 | 2020-12-18 | 后英集团鞍山活龙矿业有限公司 | Mining area safety monitoring and controlling system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001077768A (en) * | 1999-09-08 | 2001-03-23 | Kyosan Electric Mfg Co Ltd | Transmitter |
| CN101602370A (en) * | 2009-04-27 | 2009-12-16 | 上海大陆信息服务有限公司 | Failure data acquisition and automatic error correction method for fast railway train |
| CN101819416A (en) * | 2010-03-19 | 2010-09-01 | 上海慧桥电气自动化有限公司 | Method for collecting, detecting and monitoring data of high-speed trains |
| CN102530028A (en) * | 2012-01-19 | 2012-07-04 | 重庆安谐新能源技术有限公司 | Railway track real-time monitoring system and data processing method thereof |
-
2012
- 2012-12-17 CN CN201210544467.3A patent/CN103036649B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001077768A (en) * | 1999-09-08 | 2001-03-23 | Kyosan Electric Mfg Co Ltd | Transmitter |
| CN101602370A (en) * | 2009-04-27 | 2009-12-16 | 上海大陆信息服务有限公司 | Failure data acquisition and automatic error correction method for fast railway train |
| CN101819416A (en) * | 2010-03-19 | 2010-09-01 | 上海慧桥电气自动化有限公司 | Method for collecting, detecting and monitoring data of high-speed trains |
| CN102530028A (en) * | 2012-01-19 | 2012-07-04 | 重庆安谐新能源技术有限公司 | Railway track real-time monitoring system and data processing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103036649A (en) | 2013-04-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103036649B (en) | Based on the fault pre-alarming Information heterogeneity multiplex wireless transmission method of bullet train | |
| CN101065283B (en) | Method and system for verification of a data transmission unit for control of a travelling object | |
| CN100576240C (en) | A kind of remote monitoring method for answering machine | |
| CN103532663A (en) | Frequency hopping fountain code system and transmission method thereof | |
| CN205792728U (en) | Cab integrated radio communication dynamic monitoring system | |
| CN110798818B (en) | Train information transmission method and system for urban rail transit | |
| CN101602370A (en) | Failure data acquisition and automatic error correction method for fast railway train | |
| CN104902243B (en) | The real-time return system of unmanned plane line walking HD video and retransmission method based on optical fiber ring network | |
| CN101090293A (en) | Method and system for transmitting information | |
| CN102355278A (en) | Highly-reliable receiving device for transponder information and transponder information receiving method | |
| CN101675451A (en) | Fault detection using embedded watermarks | |
| Che et al. | Massive unsourced random access for NGMA: Architectures, opportunities, and challenges | |
| CN101106436A (en) | A transmission and detection method for special burst and its device | |
| CN109649437B (en) | Railway station computer interlocking information transmission method and system | |
| CN102983919B (en) | Detection method of transponder transport module and detection device thereof | |
| CN107612758A (en) | A kind of railway GPRS network air interface monitoring system and method | |
| CN113085965B (en) | Train control method and system based on satellite supplement temporary speed limit | |
| CN209833656U (en) | Data processing system based on GSM-R | |
| CN108989748B (en) | A kind of method and system that the video figure based on microwave technology passes | |
| CN104703052B (en) | A kind of GPS information from vehicle-mounted DVR to GPS server mends transmission method | |
| CN101811508A (en) | Failure-safe infrared bidirectional responder system | |
| CN102064854B (en) | Power line carrier spread spectrum communication-based remote security monitoring system | |
| US20090168927A1 (en) | Broadcast channel signal, apparatus and method for transmitting and decoding broadcast channel information | |
| CN115225727A (en) | Two-out-of-two safety device applied to LEU system and message forwarding method | |
| CN103716057A (en) | Vehicle-mounted rail frequency shift signal rapid compression method based on compressed sensing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 Termination date: 20181217 |