CN105225484B - A kind of data processing method of intelligent Transportation Terminal, terminal and system - Google Patents
A kind of data processing method of intelligent Transportation Terminal, terminal and system Download PDFInfo
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- CN105225484B CN105225484B CN201510634136.2A CN201510634136A CN105225484B CN 105225484 B CN105225484 B CN 105225484B CN 201510634136 A CN201510634136 A CN 201510634136A CN 105225484 B CN105225484 B CN 105225484B
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Abstract
The invention discloses a kind of data processing method of intelligent Transportation Terminal and intelligent Transportation Terminal and intelligent transportation system, wherein, the data processing method of intelligent Transportation Terminal, including：When physical layer receives data, data type is judged；If the data are ETC data, transmit to ETC protocol stacks, ETC data interactions are carried out between terminal device；Otherwise transmit to V2X protocol stacks, V2X data interactions are carried out between terminal device.The technical program in intelligent Transportation Terminal by using the dual stack of ETC protocol stacks and V2X protocol stacks, realize that intelligent Transportation Terminal can the compatible truck traffic based on wave technologies, bus or train route communication and the communication communication of existing ETC system, so that the intelligent terminal in two systems realizes the compatible communication do not disturbed, the function of two kinds of application systems is integrated in a terminal, save vehicle space, multiple installation is avoided, has saved cost.It the composite can be widely applied to intelligent transportation field.
Description
Technical field
The present invention relates to intelligent transportation field, more particularly to a kind of data processing method of intelligent Transportation Terminal, end
End and system.
Background technology
Intelligent transportation system is the developing direction of future transportation system, and it is by advanced information technology, data communication biography
Transferring technology, Electronic transducer technology, microelectric technique, automatic control technology and computer technology etc., which are effectively integrated, to be applied to entirely
Ground traffic control system and establish it is a kind of in a wide range of, it is comprehensive play a role, in real time, accurately and efficiently integrate
Traffic management system.
According to national communication Department of Transportation on ETC national network job requirements, by year ends 2015, China will realize substantially
National highway ETC (Electronic Tolling Collection, electronic charging system without parking) networking, car ETC
Utilization rate is not less than 25%, and cashless payment utilization rate reaches 20%.Analyzed according to the measuring and calculating of relevant department, 1 ETC charging vehicle
The traffic capacity in equivalent to 4 to the 6 manual toll collection tracks in road, compared with manual toll collection track, time that bicycle passes through ETC tracks
58 seconds will be reduced, has been greatly improved percent of pass.
Vehicle based on WAVE (access of Wireless Access in Vehicular Environments onboard wireless)
Between communicate (Vehicle to Vehicle, V2V) communication (Vehicle between vehicle and infrastructure
Infrastructure, V2I), V2X is technology indispensable on intelligent automobile.V2X (including V2V and V2I) is following intelligence
The key technology of traffic and transportation system.It cause between car and car, Che Yulu, car and pedestrian can direct real-time Communication for Power, as
A pair of " multi-functional eyes " is mounted with for driver, " can see " in advance or " prediction " is to various phases with traffic trip
Close information (such as real-time road, road information, pedestrian information), so as to improve the security of driving, reduce urban traffic blocking,
Lift traffic trip quality, the vehicle-mounted life of diversification is provided, improve constantly city traffic management department management performance etc..
How make it that the terminal device of multiple communication modes is compatible when building intelligent transportation system, such as based on
The terminal of truck traffic and the bus or train route communication of wave technologies blends with existing ETC system terminal, is those skilled in the art
Need to solve the problems, such as.
The content of the invention
In view of this, the present invention proposes a kind of data processing method and intelligent Transportation Terminal and intelligence of intelligent Transportation Terminal
Traffic system, can compatible ETC system and truck traffic and bus or train route communication system based on wave.Technical solution of the present invention has
Body is as follows：
First aspect present invention provides a kind of data processing method of intelligent Transportation Terminal, and the intelligent Transportation Terminal has
V2X protocol stacks and ETC protocol stacks, comprise the following steps：
When physical layer receives data, data type is judged；If the data are ETC data, transmit to
ETC protocol stacks, ETC data interactions are carried out between terminal device；Otherwise transmit to V2X protocol stacks, V2X is carried out between terminal device
Data interaction.
It is described when physical layer receives data, judgement is carried out to data type and specifically included：Read data frame, according to number
The type of data is judged according to the flag bit of frame.
Preferably, the flag bit according to data frame judges that the type of data includes：If the flag bit of data frame header
Then it is ETC data for ETC flag bit；If it is not, it is then V2X data.
Preferably, described when physical layer receives data, the communication frequency of V2X channels is in 5.85GHz-5.925GHz
Between.
Second aspect of the present invention provides a kind of intelligent Transportation Terminal, the intelligent Transportation Terminal be provided with V2X protocol stacks,
ETC protocol stacks and transmission control module；The transmission control module is used for the data that opposite equip. transmission is received in physical layer
When, data type is judged；If the data are ETC data, transmit to ETC protocol stacks, enter with the opposite equip.
Row ETC data interactions；Otherwise transmit to V2X protocol stacks, V2X data interactions are carried out with the opposite equip..
The transmission control module read data frame head, the type of data is judged according to the flag bit of data frame header；
If the flag bit of data frame header is ETC flag bit, for ETC data；If it is not, it is then V2X data.
As a kind of embodiment, the intelligent Transportation Terminal is board units or the first roadside unit.
Preferably, the board units are also associated with visualizing terminal, and the visualization terminal is used to show information of vehicles
Or/and warning information or/and transport information.
Specifically, between multiple board units can by DSRC modules or 3G/4G module interactive vehicle information or/and
Warning information or/and text message；ETC letters are interacted by DSRC modules between the board units and first roadside unit
Breath, or/and transport information.
The information of vehicles includes car speed, deflection, vehicle acceleration, vehicle geographical position, the vehicle CAN of concern
Parameter；The warning information includes hypotelorism early warning, emergency brake early warning, bend early warning, left-hand rotation early warning and other V2X peaces
Full early warning；The text message includes chat message, video；The transport information include speed limit restricted driving information, traffic information with
And other customized information.
Third aspect present invention provides a kind of intelligent transportation system, including above-mentioned board units and above-mentioned first roadside unit
And background server and the second roadside unit with V2X functions.
The board units, first roadside unit and the second roadside unit can be interacted by DSRC modules between any two
Transport information.
As can be seen from the above technical solutions, the present invention has advantages below：
The technical program in intelligent Transportation Terminal by, using ETC protocol stacks and the dual stack of V2X protocol stacks, realizing
Intelligent Transportation Terminal can the compatible truck traffic based on wave technologies, bus or train route communication and the communication of existing ETC system so that two
Intelligent terminal in individual system realizes the compatible communication do not disturbed, and the function of two kinds of application systems, section are integrated in a terminal
Vehicle space has been saved, multiple installation has been avoided, has saved cost.It is a kind of large-scale, comprehensive to establish, real-time, accurate,
Efficient intelligent transportation system lays the foundation.
Brief description of the drawings
Fig. 1 is a kind of schematic flow sheet of the data processing method of intelligent Transportation Terminal of the present invention；
Fig. 2 is invention software configuration diagram；
Fig. 3 is ETC data frame format schematic diagrames；
Fig. 4 is a kind of structured flowchart of intelligent transportation system of the present invention；
Fig. 5 is a kind of application scenarios schematic diagram of intelligent transportation system of the present invention；
Fig. 6 is the functional block diagram of board units of the present invention；
Fig. 7 is the functional block diagram of the first roadside unit and the second roadside unit of the invention.
Embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, it should all belong to the model that the present invention protects
Enclose.
Below by specific embodiment, it is described in detail respectively.
Referring to Fig. 1, a kind of flow chart of the data processing method of intelligent Transportation Terminal provided in an embodiment of the present invention, should
For intelligent transportation field, the intelligent Transportation Terminal has V2X protocol stacks, ETC protocol stacks and transmission control module.Refer to
Fig. 2, invention software configuration diagram, in software architecture, it is contemplated that the real-time of transaction and the complexity realized, using double
The design of protocol stack.In physical layer, the scheduling for receiving data, the number that program receives different channels are realized using software mode
Different protocol stacks is delivered to according to by calling.In MAC layer, using software mode read data frame head, sentenced by flag bit
The data type that disconnecting receives, then it is delivered to different upper-layer protocol stacks.The data processing method tool of the intelligent Transportation Terminal
Body is：
When physical layer receives data, transmission control module is judged data type；In specific implementation, due to
ETC has a national standard, what the flag bit in frame format was to determine, therefore the head for arranging V2X data frames does not apply to ETC mark
Position.Read data frame, after divesting 802.11p frame heads portion, the type of data is judged according to the flag bit of data frame, if data frame head
The flag bit in portion is ETC flag bit, then is ETC data, transmits to ETC protocol stacks, ETC data friendships are carried out between terminal device
Mutually；If it is not, being then V2X data, transmit to V2X protocol stacks, V2X data interactions are carried out between terminal device.
In the specific embodiment of the invention, 802.11p consensus standard of the whole protocol stack in physical layer using support DSRC,
V2X protocol stacks part based on wave follows the series standards of IEEE 1609 in upper-layer protocol stack, it include IEEE 1609.1,
IEEE 1609.2IEEE 1609.3 and IEEE 1609.4.Content as defined in SAE J2735 is used to send application peace in application layer
Total evidence.ETC protocol stack accepted standards are GB-T20851 contents.
The standards of IEEE 1609.1 are wireless access tentative standard-resource management in vehicle environment；The standards of IEEE 1609.2
For wireless access tentative standard-application in vehicle environment and the security service of management information, including V2X information securities, electricity is prevented
Son fraud, eavesdropping etc.；The standards of IEEE 1609.3 are network service standards, positioned at the Internet and transport layer of osi model, there is provided
WAVE/DSRC network service, and between vehicle fitting is provided, the communication between vehicle fitting and roadside device；IEEE
1609.4 standards are multi-channel operation standards, there is provided channel coordination and media access control sublayer management function.
Judged whether to belong to ETC data according to the beginning flag position of data frame, the packaged type of ETC data frames meets GB-T
The regulation of data link layer, its frame format refer to Fig. 3 in 20851 [1] .2-2007 electronic charging DSRC part 2s.
If data message type is ETC data, data interaction is carried out with corresponding ETC equipment according to the regulation of ETC protocol stacks, it is real
Now interacted with expressway, parking lot with the ETC equipment in other charge scenes, complete non-parking charge；If data message class
Type is not ETC data, then by data information transfer to V2X protocol stacks, is set according to the regulation of V2X protocol informations with corresponding V2X
It is standby to carry out data interaction.Wherein the channel of ETC data interactions using descending 5.83GHz specified in GB/T20851.1-2007 and
5.84GHz, up 5.79GHz and 5.8GHz；The channel communication frequency of V2X data interactions uses 5.85GHz-5.925GHz state
Border frequency range, therefore can realize that ETC data interactions are not interfere with each other with V2X data interactions.
A kind of data processing method of intelligent terminal in the embodiment of the present invention is described above, is described below of the invention real
Apply the intelligent Transportation Terminal in example and the intelligent transportation system based on the intelligent terminal.Refering to accompanying drawing 3, the intelligent transportation system
Including background server 401, board units 402, terminal 403, the first roadside unit 404, the second roadside unit 405 are visualized.
For ease of understanding, the intelligent transportation system in the embodiment of the present invention is described in detail with a practical application scene below：
Fig. 5 to Fig. 7 is referred to, board units 402 include microprocessor, power management, 5.8GHz DSRC modules, Wi-
Fi/ bluetooth modules, locating module, card reading module, 3G/4G modules, LED, reset and vehicle can EBIs and Ethernet
Interface；First roadside unit and the second roadside unit include microprocessor, power management, 5.8GHz DSRC modules, Wi-Fi/
Bluetooth module, card reading module, 3G/4G modules, LED, reset and Ethernet interface, wherein the 5.8GHz of the first roadside unit
DSRC modules can support the frequency spectrum of V2X channels and ETC channels simultaneously.In practical application scene, board units 402 are placed on
In vehicle, pass through the information such as the position of built-in d GPS locating module acquisition vehicle, acceleration, direction；It is total by accessing vehicle CAN
Line obtains the status information of vehicle；Realized by 5.8GHz DSRC modules between vehicle and vehicle, vehicle and roadside device
Communication, i.e., the vehicle-state of itself is broadcasted by DSRC modules, and receive its car vehicle-state and road measuring device send
Transport information and the interaction for completing ETC information；By Wi-Fi/ bluetooths with in-car intelligent terminal be connected realize it is diversified
Using；Bank card is read by card reading module.First roadside unit 404 is positioned over charge station, realizes and is handled with vehicle ETC applications
Etc. function；Second roadside unit 405 is positioned over roadside, and realization communicates with the V2I of vehicle.First roadside unit 404 and the second tunnel
Side unit 405 is transmitted related data information to background server 401 by wired or wireless network.
As a preferred embodiment, board units 402 can visualize terminal 403 by Wi-Fi/ bluetooth connections,
It can be the mobile device such as tablet personal computer, mobile phone to visualize terminal 403, be responsible for showing itself vehicle-state (including car with its car
Speed, deflection, acceleration, vehicle geographical position, the vehicle CAN parameter etc. of concern are at least one) and safe early warning (including distance
It is at least one to cross nearly early warning, emergency brake early warning, bend early warning, left-hand rotation early warning and other V2X safe early warnings etc.), vehicle it
Between text and file, such as chat message or/and video etc. can mutually be passed by the communication of corresponding board units 402.Meanwhile can
The interactive information of user's concern can also be stored depending on changing terminal 403.Board units 402 broadcast the vehicle of itself by DSRC modules
State, it can be communicated by 3G/4G modules with background server 401.First roadside unit 404 and the second roadside unit 405 can lead to
Cross DSRC modules broadcast presupposed information, including transport information or/and traffic information and other customized letters such as speed limit restricted driving
Breath, is communicated by cable network with background server.
Vehicle passes through 5.8GHz DSRC modules or 3G/4G modules when being travelled in ordinary road, by board units 402
Data interaction is carried out with the V2X devices on periphery, broadcasts the vehicle-state of itself to the V2X devices on periphery, including the second trackside list
The board units of member 405 and nearby vehicle, and it is its car vehicle-state and trackside that the board units for receiving nearby vehicle, which are sent,
Unit sends the transport information made, and shows vehicle-state and warning information and transport information in visualization terminal 403.
When vehicle travels in ETC passages, board units are carried out by the ETC devices on 5.8GHz DSRC modules and periphery
Data interaction, complete to interact with expressway, parking lot and the ETC equipment in other charge scenes, complete non-parking charge.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
The present invention is described in detail, it will be understood by those within the art that：It still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic；And these modification or
Replace, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a kind of data processing method of intelligent Transportation Terminal, it is characterised in that the intelligent Transportation Terminal has V2X protocol stacks
With ETC protocol stacks, comprise the following steps：
When physical layer receives data, data type is judged；
If the data are ETC data, transmit to ETC protocol stacks, ETC data interactions are carried out between terminal device；
Otherwise transmit to V2X protocol stacks, V2X data interactions are carried out between terminal device.
2. method according to claim 1, it is characterised in that it is described when physical layer receives data, data type is entered
Row judgement specifically includes：Read data frame, the type of data is judged according to the flag bit of data frame.
3. method according to claim 2, it is characterised in that the flag bit according to data frame judges the type bag of data
Include：If the flag bit of data frame header is ETC flag bit, for ETC data；If it is not, it is then V2X data.
4. according to any one of claims 1 to 3 methods described, it is characterised in that described when physical layer receives data, V2X
The communication frequency of channel is between 5.85GHz-5.925GHz.
A kind of 5. intelligent Transportation Terminal, it is characterised in that the intelligent Transportation Terminal be provided with V2X protocol stacks, ETC protocol stacks and
Transmission control module；
The transmission control module is used to, when physical layer receives the data of opposite equip. transmission, sentence data type
It is disconnected；
If the data are ETC data, transmit to ETC protocol stacks, ETC data interactions are carried out with the opposite equip.；
Otherwise transmit to V2X protocol stacks, V2X data interactions are carried out with the opposite equip..
6. terminal according to claim 5, it is characterised in that
The transmission control module read data frame head, the type of data is judged according to the flag bit of data frame header；
If the flag bit of data frame header is ETC flag bit, for ETC data；If it is not, it is then V2X data.
7. the terminal according to claim 5 or 6, it is characterised in that the intelligent Transportation Terminal is board units, or first
Roadside unit.
8. terminal according to claim 7, it is characterised in that the board units are connected with visualization terminal, it is described can
It is used to show information of vehicles or/and warning information or/and transport information depending on changing terminal；
Between multiple board units by DSRC modules or 3G/4G module interactive vehicle information or/and warning information or/and
Text message；
ETC information, or/and transport information are interacted by DSRC modules between the board units and first roadside unit.
9. terminal according to claim 8, it is characterised in that the information of vehicles includes car speed, deflection, vehicle
Acceleration, vehicle geographical position, concern vehicle CAN parameter in it is at least one；
The warning information includes at least one in hypotelorism early warning, emergency brake early warning, bend early warning, left-hand rotation early warning；
The text message includes chat message and/or video；
The transport information includes speed limit restricted driving information and/or traffic information.
10. a kind of intelligent transportation system, including background server and the second roadside unit with V2X functions, it is characterised in that
Also include any one of the first roadside unit and claim 7 to 9 board units；
The board units, first roadside unit and the second roadside unit interact traffic by DSRC modules between any two to be believed
Breath.
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| CN105818903A (en) * | 2016-01-26 | 2016-08-03 | 乐卡汽车智能科技（北京）有限公司 | Scooter |
| CN105844967B (en) * | 2016-05-16 | 2018-08-24 | 广州市甬利格宝信息科技有限责任公司 | Vehicle collision prewarning based on truck traffic and Active Control Method |
| US10491312B1 (en) * | 2018-09-05 | 2019-11-26 | Toyota Jidosha Kabushiki Kaisha | Simultaneous reception of vehicle-to-everything (V2X) messages over multiple channels in multi-channel V2X networks |
| CN109993841A (en) * | 2019-04-10 | 2019-07-09 | 深圳成有科技有限公司 | Multimode roadside unit RSU equipment and drive-in toll ETC system |
| CN109921816A (en) * | 2019-04-22 | 2019-06-21 | 广州市埃特斯通讯设备有限公司 | A kind of on board unit system |
| CN110738743A (en) * | 2019-09-20 | 2020-01-31 | 深圳成谷科技有限公司 | Vehicle-mounted terminal and dual-mode antenna for vehicle-mounted terminal |
| CN110766941A (en) * | 2019-09-30 | 2020-02-07 | 深圳市金溢科技股份有限公司 | Method and system for transmitting traffic scheduling information, ETC road side equipment and electronic tag |
| CN112734957A (en) * | 2020-12-25 | 2021-04-30 | 高新兴智联科技有限公司 | ETC (electronic toll Collection) special short-range communication-based vehicle-road cooperation system and method |
| CN112738762A (en) * | 2020-12-25 | 2021-04-30 | 高新兴智联科技有限公司 | System and method for combining C-V2X RSU and automobile electronic identification RSU |
| WO2022205171A1 (en) * | 2021-03-31 | 2022-10-06 | 华为技术有限公司 | Signal transmission method and apparatus, storage medium and chip system |
| CN113380030A (en) * | 2021-06-03 | 2021-09-10 | 大连海事大学 | ETC technology-based urban traffic data acquisition method, system and storage medium |
| CN113965909A (en) * | 2021-11-12 | 2022-01-21 | 北京万集科技股份有限公司 | In-vehicle device and in-vehicle wireless communication system |
| CN114363841B (en) * | 2022-01-24 | 2023-07-04 | 青岛慧拓智能机器有限公司 | Vehicle-road system hybrid communication system and method |
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| JP3851410B2 (en) * | 1997-04-21 | 2006-11-29 | 富士通テン株式会社 | Vehicle group formation control device and method |
| US6642844B2 (en) * | 2000-08-22 | 2003-11-04 | Sivan Llc | Direct dispatcherless automatic vehicle-to-vehicle and non-vehicle to vehicle police/emergency medical service notification system for life threatening accidents, hijackings, thefts and medical emergencies |
| CN1832485A (en) * | 2006-04-30 | 2006-09-13 | 北京航空航天大学 | Special communication protocol DECP and protocol module for unpark charging ETC |
| CN203522799U (en) * | 2013-09-07 | 2014-04-02 | 李拓彬 | Vehicle-mounted communication system based on WAVE |
| CN103442080A (en) * | 2013-09-07 | 2013-12-11 | 李拓彬 | Vehicle-mounted communication system based on WAVE |
| CN104580327A (en) * | 2013-10-29 | 2015-04-29 | 上海沐风数码科技有限公司 | 3G network-based internet-of-vehicle intelligent terminal and implementation method thereof |
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