CN104348896B - Cross-platform vehicle communication method and system - Google Patents
Cross-platform vehicle communication method and system Download PDFInfo
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- CN104348896B CN104348896B CN201310347587.9A CN201310347587A CN104348896B CN 104348896 B CN104348896 B CN 104348896B CN 201310347587 A CN201310347587 A CN 201310347587A CN 104348896 B CN104348896 B CN 104348896B
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Abstract
The embodiment of the invention provides a kind of cross-platform vehicle communication methods and system.This method mainly includes, setting can handle the enhanced DSRC communication protocol unit and at least two single-protocol communication units of the communication data of at least two communication protocols in the car, when vehicle is communicated with other equipment, judge whether other equipment support enhanced DSRC communication protocol, if it is, vehicle is communicated by enhanced DSRC communication protocol unit with other equipment；Otherwise, the single-protocol communication unit that vehicle chooses that other equipment are supported is communicated with other equipment.The present invention changes the mentality of designing that tradition is confined to the vehicular communication system of DSRC communication protocol, extend the extension that vehicular communication system defines, manage different communication function concentratedly, vehicular communication system is set to be not limited to the communications platform of specific communication protocol, and become using DSRC as the Overpassing Platform by Using system of core, it can flexibly choose the communication protocol that other equipment are supported and be communicated with other equipment.
Description
Technical field
The present invention relates to vehicle communication technical fields, more particularly to a kind of cross-platform vehicle communication method and system.
Background technique
DSRC(Dedicat of the protocol layer based on domestic independent intellectual property right of national standard GB/T20851-2007 series standard
EdShortRangeCommunications, dedicated short-range communication technology) technology.DSRC technology is using 5.8GHz frequency point as work
Frequency.At the beginning of DSRC technology application, which is mainly used in highway non-parking charge field, with vehicle electronics
The circulation of label is increasing, and more and more vehicles have had DSRC communication capacity.Therefore vehicle communication demand by
Flaring is big, this will also become the major fields of intelligent transportation development.
Existing vehicular communication equipment, agreement is complicated, various informative.One well-equipped vehicle, communication function include
But be not limited to DSRC, bluetooth, 3G, WLAN(WirelessLocalAreaNetworks, Wireless LAN), Beidou, GPS
(GlobalPositioningSystem, global positioning system) and civilian UHF(UltraHighFrequency, superfrequency) wave
Section radio station.Interaction is complicated between the vehicular communication equipment of each vehicle, and is unfavorable for shared information, this is to vehicle communication function
Realization causes obstacle.It is therefore desirable to concentrate the management that the unified platform is realized to vehicular communication equipment.
Summary of the invention
The embodiment provides a kind of cross-platform vehicle communication methods and system, to improve the effect of vehicle communication
Rate.
Enhanced dedicated short-range communication technology DSRC communication protocols are arranged in a kind of cross-platform vehicle communication method in the car
Discuss unit and at least two single-protocol communication units, the enhanced dedicated short-range communication technology DSRC communication protocol unit energy
The communication data of at least two communication protocols is handled, the single-protocol communication unit can handle the communication number of single communication agreement
According to；
When the vehicle is communicated with other equipment, judge whether other equipment support enhanced DSRC to communicate
Agreement, if it is, the vehicle is communicated by the enhanced DSRC communication protocol unit with other equipment；It is no
Then, the single-protocol communication unit that the vehicle chooses that other equipment are supported is communicated with other equipment.
At least two single-protocols communication unit includes DSRC protocol communication unit, Bluetooth protocol communication unit, 3G
Or 2G protocol communication unit, WLAN protocol communication unit, Beidou protocol communication unit, GPS protocol communication unit and civilian UHF
Wave band station telecommunication unit.
The vehicle includes at least two communication interfaces, and the enhanced DSRC communication protocol unit or single-protocol are logical
Believe that unit receives or send parallel communication data by least two communication interface.
It is described when the vehicle is communicated with other equipment, judge whether other equipment support enhanced DSRC
Communication protocol, comprising:
The vehicle is by the data frame header characteristic information of enhanced DSRC communication protocol and various single communication agreements
Corresponding data frame header characteristic information is stored in protocol registration table, the data frame front of the enhanced DSRC communication protocol
A BST frame is increased, the structure of double BST frames is constituted；
After the vehicle receives the communication data that other equipment are sent by communication interface, the communication number is obtained
According to data frame header characteristic information, the protocol registration table is inquired according to the data frame header characteristic information, described in judgement
Whether data frame header information meets the data frame header feature of the enhanced DSRC communication protocol, if so, described in determining
Other equipment support enhanced DSRC communication protocol；Otherwise, it determines other equipment do not support enhanced DSRC communication protocol.
The vehicle is chosen the single-protocol communication unit that other equipment are supported and is communicated with other equipment,
Include:
Vehicle protocol registration table according to the data frame header characteristic information poll of the communication data obtains institute
State one or more kinds of single communication agreements that the data frame header characteristic information of communication data is met；
The corresponding single-protocol communication unit of certain single communication agreement that the vehicle is supported using other equipment
It is communicated with other equipment.
The method further include:
The mark of other equipment, one or more kinds of communication protocols of support are stored in facility registration by the vehicle
In table；
When vehicle needs are communicated with other equipment in device registry, the vehicle is according to described other
The mark of equipment inquires the device registry, judges whether other equipment support enhanced DSRC communication protocol, if
It is that then the vehicle is communicated by the enhanced DSRC communication protocol unit with other equipment；Otherwise, the vehicle
One or more kinds of single communication agreements that other equipment are supported are obtained by the device registry, using described other
The corresponding single-protocol communication unit of certain single communication agreement and other equipment communications that equipment is supported.
A kind of cross-platform vehicular communication system, the system are arranged in the car, and it is logical that the system comprises: enhanced DSRC
Believe protocol element, single-protocol communication unit and agreement judging unit；
The enhanced DSRC communication protocol unit, can handle the enhanced of the communication data of at least two communication protocols
DSRC communication protocol unit；
The single-protocol communication unit, quantity be it is multiple, the communication data of single communication agreement can be handled；
The agreement judging unit, for when the vehicle is communicated with other equipment, judging described other set
It is standby whether to support enhanced DSRC communication protocol, if it is, the vehicle passes through the enhanced DSRC communication protocol unit
It is communicated with other equipment；Otherwise, the vehicle choose single-protocol communication unit that the other equipment are supported with
Other equipment are communicated.
At least two single-protocols communication unit includes DSRC protocol communication unit, Bluetooth protocol communication unit, 3G
Or 2G protocol communication unit, WLAN protocol communication unit, Beidou protocol communication unit, GPS protocol communication unit and civilian UHF
Wave band station telecommunication unit.
The system comprises at least two communication interfaces, the enhanced DSRC communication protocol unit or single-protocol are logical
Believe that unit receives or send parallel communication data by least two communication interface.
The system also includes:
Information memory cell, for by the data frame header characteristic information and various lists of enhanced DSRC communication protocol
The corresponding data frame header characteristic information of one communication protocol is stored in protocol registration table, the enhanced DSRC communication protocol
Data frame front increases a BST frame, constitutes the structure of double BST frames；By the mark of other equipment, one kind of support
Or various communications protocols are stored in device registry；
The agreement judging unit, specifically for receiving the communication number that other equipment are sent by communication interface
According to rear, the data frame header characteristic information of the communication data is obtained, according to data frame header characteristic information inquiry
Protocol registration table, judges whether the data frame header information meets the data frame header spy of the enhanced DSRC communication protocol
Sign, if so, determining that other equipment support enhanced DSRC communication protocol；Otherwise, it determines other equipment are not supported
Enhanced DSRC communication protocol is obtained according to protocol registration table described in the data frame header characteristic information poll of the communication data
One or more kinds of single communication agreements that the data frame header characteristic information of the communication data is met are taken, the vehicle is adopted
The corresponding single-protocol communication unit of certain single communication agreement supported with other equipment and other equipment communications.
The agreement judging unit, specifically for needing to carry out with other equipment in device registry when the vehicle
When communication, the device registry is inquired according to the mark of other equipment, judges whether other equipment are supported to enhance
Type DSRC communication protocol, if it is, the vehicle passes through the enhanced DSRC communication protocol unit and other equipment
It is communicated；Otherwise, it is single by the device registry to obtain the one or more that other equipment are supported for the vehicle
Communication protocol, the corresponding single-protocol communication unit of certain single communication agreement supported using the other equipment and it is described its
The communication of its equipment.
As can be seen from the technical scheme provided by the above-mentioned embodiment of the present invention, the embodiment of the present invention by setting in the car
The cross-platform vehicular communication system including enhanced DSRC communication protocol unit and at least two single-protocol communication units is set,
The mentality of designing that tradition is confined to the vehicular communication system of DSRC communication protocol is changed, extends what vehicular communication system defined
Extension manages different communication function concentratedly, vehicular communication system is made to be not limited to the communications platform of specific communication protocol, and becomes
Using DSRC as the Overpassing Platform by Using system of core, can flexibly choose communication protocol that other equipment are supported and other equipment into
Row communication, pushes using DSRC as the cross-platform truck traffic System Development of core truck traffic.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill of field, without any creative labor, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is this hair when other equipment actively send communication data to the vehicle of the enhanced DSRC communication protocol of support
A kind of realization principle schematic diagram of the method for cross-platform vehicle communication that bright embodiment one provides；
Fig. 2 is this hair when other equipment actively send communication data to the vehicle of the enhanced DSRC communication protocol of support
A kind of processing flow schematic diagram of the method for cross-platform vehicle communication that bright embodiment one provides；
Fig. 3 is this hair when supporting the vehicle of enhanced DSRC communication protocol actively to send communication data to other equipment
A kind of realization principle schematic diagram of the method for cross-platform vehicle communication that bright embodiment two provides；
Fig. 4 is this hair when supporting the vehicle of enhanced DSRC communication protocol actively to send communication data to other equipment
A kind of processing flow schematic diagram of the method for cross-platform vehicle communication that bright embodiment two provides；
Fig. 5 is that a kind of vehicle that cross-platform vehicular communication system is arranged provided by Embodiment 2 of the present invention passes through compatible protocol
The schematic diagram of communication data is sent to periphery communication equipment；
Fig. 6 is a kind of vehicle of the periphery communication equipment provided by Embodiment 2 of the present invention to the cross-platform vehicular communication system of setting
The schematic diagram of uplink data;
Fig. 7 provides showing for registration and unregistration interface for a kind of cross-platform vehicular communication system provided by Embodiment 2 of the present invention
It is intended to；
Fig. 8 is a kind of structural schematic diagram for cross-platform vehicular communication system 800 that the embodiment of the present invention three provides, figure
In, information memory cell 810, agreement judging unit 820, strong type DSRC communication protocol unit 830, single-protocol communication unit
840。
Specific embodiment
In order to facilitate understanding of embodiments of the present invention, it is done by taking several specific embodiments as an example below in conjunction with attached drawing further
Explanation, and each embodiment does not constitute the restriction to the embodiment of the present invention.
Embodiment one
The embodiment of the present invention is established using enhanced DSRC communication protocol as the cross-platform vehicular communication system of core.
When other equipment are actively to when supporting the vehicle of enhanced DSRC communication protocol to send communication data, which is mentioned
The realization principle schematic diagram of a kind of method of cross-platform vehicle communication has been supplied as shown in Figure 1, processing flow schematic diagram such as Fig. 2 institute
Show, including following processing step:
Step S210, enhanced DSRC communication protocol unit and at least two single-protocol communication units are set in the car
Member, the enhanced DSRC communication protocol unit can handle the communication data of at least two communication protocols, and the single-protocol is logical
Letter unit can handle the communication data of single communication agreement.
Above-mentioned enhanced DSRC communication protocol unit is a kind of improved DSRC communication protocols that the embodiment of the present invention proposes
Unit is discussed, the unit is based on DSRC communication protocol, and the communication data of energy at least two communication protocol of parallel processing, this is at least
Two kinds of communication protocols include but are not limited to DSRC agreement, Bluetooth protocol, 3G 2G communication protocol, WLAN
(WirelessLocalAreaNetworks, Wireless LAN) agreement, Beidou communication agreement, GPS
(GlobalPositioningSystem, global positioning system) agreement and civilian UHF(UHF-UltraHighFrequency, it is special
High frequency) wave band radio station agreement.Above-mentioned enhanced DSRC communication protocol unit is vehicle and the preferred communication protocols that other equipment communicate
View.
At least two single-protocols communication unit includes DSRC protocol communication unit, Bluetooth protocol communication unit, 3G
Or 2G protocol communication unit, WLAN protocol communication unit, Beidou protocol communication unit, GPS protocol communication unit and civilian UHF
Wave band station telecommunication unit, every kind of protocol communication unit can handle the communication data of corresponding communication protocol.It cannot be used in vehicle
When enhanced DSRC communication protocol unit and other equipment communicate, then a kind of single-protocol communication unit of other equipment supports is selected
First and other equipment communications.Each protocol communication unit in above-mentioned vehicle mutually supports, and realizes cross-platform vehicle communication jointly.
Above-mentioned vehicle is by the data frame header of the corresponding enhanced DSRC communication protocol of enhanced DSRC communication protocol unit
Characteristic information and the corresponding data frame header characteristic information of various single-protocol communication units are stored in protocol registration table.
The vehicle includes at least two communication interfaces, which can be wired or wireless data-interface,
Above-mentioned at least two communication interface can be allowed various other equipment to send in a parallel fashion to above-mentioned vehicle and be communicated with concurrent working
Data, alternatively, above-mentioned vehicle sends communication data to various other equipment in a parallel fashion.It is communicated by the enhanced DSRC
Protocol element or single-protocol communication unit receive or send parallel communication data.
Step S220, when the vehicle is communicated with other equipment, judge whether other equipment are supported to enhance
Type DSRC communication protocol, if so, thening follow the steps S230；Otherwise, step S240 is executed.
After the vehicle receives the communication data that other equipment are sent by communication interface, to the number of communication data
It is parsed according to frame, obtains the data frame header characteristic information of the communication data, looked into according to the data frame header characteristic information
Above-mentioned protocol registration table is ask, judges whether the data frame header characteristic information meets the enhanced DSRC communication protocol, such as
Fruit is to determine that other equipment support enhanced DSRC communication protocol to execute step S230；Otherwise, it determines other equipment
Enhanced DSRC communication protocol is not supported, executes step S240.
Above-mentioned other equipment can be the OBU(On board Unit being mounted on other vehicles, on board unit) or peace
The RSU(Road Side Unit of dress on the line, roadside device).
The start frame of general DSRC communication protocol is BST(broadcasting, broadcast frame), for configuring the letter of receiving end
Road parameter DSRC information related to extraction, and enhanced DSRC communication protocol is in 5 milliseconds before this BST of time window,
There are one BST frames, for showing that used at present is enhanced DSRC agreement.Two BST frames are incompatible, therefore general DSRC
Agreement can not parse first BST frame.For using the receiver of enhanced DSRC communication protocol, first BST can be parsed
Frame, and correct data returning response is made, to induce transmitting terminal according to enhanced DSRC agreement organizations data and complete to send out
It send.For general DSRC communication protocol, first BST frame can not be parsed, but second BST frame, the number of return can be parsed
It goes on according to induction transmitting terminal according to general DSRC agreement process.To realize software compatibility.
Step S230, the described vehicle is led to by the enhanced DSRC communication protocol unit with other equipment
Letter.
When the data frame header characteristic information that above-mentioned other equipment send over meets enhanced DSRC communication protocol, institute
It states vehicle and is communicated by the enhanced DSRC communication protocol unit with other equipment, enhanced DSRC communication protocol
Than common DSRC communication protocol, a BST frame is increased in data frame front, the structure of double BST frames is constituted, for different
Receiver selects corresponding agreement process.In addition to this, two kinds of agreements do not have any difference, and enhanced DSRC communication protocol can
Transmit bigger data volume.
Then, above-mentioned vehicle exists the information preservations such as the mark of above-mentioned other equipment, the enhanced DSRC communication protocol of support
In device registry, i.e., above-mentioned other equipment complete the registration on above-mentioned vehicle.
Step S240, lead to when the data frame header characteristic information that above-mentioned other equipment send over does not meet enhanced DSRC
When believing agreement, the above-mentioned protocol registration table of data frame header characteristic information poll sended over according to above-mentioned other equipment is obtained
One or more kinds of single communication agreements that the data frame header characteristic information that above-mentioned other equipment send over is met, i.e., on
It states other equipment and supports one or more kinds of single communication agreements.
Then, the corresponding single-protocol communication of certain single communication agreement that above-mentioned vehicle is supported using above-mentioned other equipment
Unit and above-mentioned other equipment communications.Above-mentioned vehicle by the mark of above-mentioned other equipment, support one or more kinds of communication protocols
Etc. information preservations in device registry, i.e., above-mentioned other equipment complete the registration on above-mentioned vehicle.
Embodiment two
When supporting the vehicle of enhanced DSRC communication protocol actively to send communication data to other equipment, which is mentioned
The realization principle schematic diagram of a kind of method of cross-platform vehicle communication has been supplied as shown in figure 3, processing flow schematic diagram such as Fig. 4 institute
Show, including following processing step:
Step S410, above-mentioned vehicle needs are communicated with a number of other equipment in device registry.
Step S420, above-mentioned vehicle successively inquires above equipment registration table according to the mark of a number of other equipment, in judgement
State whether other equipment support enhanced DSRC communication protocol, if so, thening follow the steps S430；Otherwise, step S440 is executed.
Step S430, when other equipment support enhanced DSRC communication protocol, above-mentioned vehicle passes through described enhanced
DSRC communication protocol unit is communicated with other equipment.
Step S440, it when other equipment do not support enhanced DSRC communication protocol, is obtained by above equipment registration table
One or more kinds of single communication agreements that other equipment are supported.
Then, the corresponding single-protocol communication of certain single communication agreement that above-mentioned vehicle is supported using above-mentioned other equipment
Unit and above-mentioned other equipment communications.
Above-mentioned vehicle can be unregistered processing to chartered other equipment in above equipment registration table, i.e., from setting
The relevant information for needing the other equipment nullified is deleted in standby registration table.
Fig. 5 is that a kind of vehicle that cross-platform vehicular communication system is arranged provided by Embodiment 2 of the present invention passes through compatible protocol
The schematic diagram that communication data is sent to periphery communication equipment, as shown in figure 5, in the cross-platform vehicular communication system put up
Portion has concentrated a variety of vehicle communication information, these information need to be distributed to each communication equipment, is used for vehicle communication.Due to each
Communication protocol used in kind communication equipment is different, the compatible various protocols of this system, for different communication equipment, with compatible protocol
(i.e. enhanced DSRC communication protocol) issues information of vehicles, is used for vehicle communication.
Fig. 6 is a kind of vehicle of the periphery communication equipment provided by Embodiment 2 of the present invention to the cross-platform vehicular communication system of setting
The schematic diagram of uplink data.As shown in fig. 6, certain vehicle communication device 1 obtains information of vehicles, need to be sent to vehicle
Communication system is focused on.But the communication equipment 1 only supported protocol 1, and information of vehicles is uploaded with agreement 1.This communication system
The Overpassing Platform by Using protocol identification communication protocol 1 of system, and collected with compatible protocol and handle vehicle communication information.
Fig. 7 provides showing for registration and unregistration interface for a kind of cross-platform vehicular communication system provided by Embodiment 2 of the present invention
It is intended to.As shown in fig. 7, the vehicle for being equipped with cross-platform vehicular communication system needs to increase or deleting communication equipment 2, protect first
The communication channel for demonstrate,proving communication equipment 2 is opened, and compatible protocol provides the registration interface for agreement 2,2 successful registration of communication equipment
And increase corresponding information processing function in the present system；When needing deleting communication equipment 2, compatible protocol is provided to be set for communication
Standby 2 cancellation interface, communication equipment 2 are successfully nullified and delete corresponding information processing function in the present system.
Embodiment three
The structural schematic diagram of the cross-platform vehicular communication system of one kind that the embodiment provides is as shown in figure 8, the system is set
It sets in the car, the system comprises enhanced DSRC communication protocol unit, single-protocol communication unit, agreement judging units
And information memory cell.
The enhanced DSRC communication protocol unit, can handle the enhanced of the communication data of at least two communication protocols
DSRC communication protocol unit；
The single-protocol communication unit, quantity be it is multiple, the communication data of single communication agreement can be handled, can wrap
Include DSRC protocol communication unit, Bluetooth protocol communication unit, 3G 2G protocol communication unit, WLAN protocol communication unit, north
Struggle against protocol communication unit, GPS protocol communication unit and civilian UHF waveband station telecommunication unit etc..
The agreement judging unit, for when the vehicle is communicated with other equipment, judging described other set
It is standby whether to support enhanced DSRC communication protocol, if it is, the vehicle passes through the enhanced DSRC communication protocol unit
It is communicated with other equipment；Otherwise, the vehicle choose single-protocol communication unit that the other equipment are supported with
Other equipment are communicated.
The system comprises at least two communication interfaces, the enhanced DSRC communication protocol unit or single-protocol are logical
Believe that unit receives or send parallel communication data by least two communication interface.
Specifically, information memory cell, for by the data frame header characteristic information of enhanced DSRC communication protocol, and
The corresponding data frame header characteristic information of various single communication agreements is stored in protocol registration table；By the mark of other equipment
The one or more kinds of communication protocols know, supported are stored in device registry；
Specifically, the agreement judging unit, sends specifically for receiving other equipment by communication interface
Communication data after, the data frame header characteristic information of the communication data is obtained, according to the data frame header characteristic information
The protocol registration table is inquired, judges whether the data frame header information meets the data of the enhanced DSRC communication protocol
Frame head feature, if so, determining that other equipment support enhanced DSRC communication protocol；It other is set otherwise, it determines described
It is standby not support enhanced DSRC communication protocol, it is infused according to agreement described in the data frame header characteristic information poll of the communication data
Volume table, obtains one or more kinds of single communication agreements that the data frame header characteristic information of the communication data is met, institute
State the corresponding single-protocol communication unit of certain single communication agreement that vehicle is supported using the other equipment and described other
Equipment communication.
Specifically, the agreement judging unit, specifically for when the vehicle need with it is other in device registry
When equipment is communicated, the device registry is inquired according to the mark of other equipment, whether judges other equipment
Support enhanced DSRC communication protocol, if it is, the vehicle by the enhanced DSRC communication protocol unit with it is described
Other equipment are communicated；Otherwise, the vehicle by the device registry obtain one kind that other equipment are supported or
A variety of single communication agreements, the corresponding single-protocol communication unit of certain single communication agreement supported using other equipment
It is communicated with other equipment.
The vehicle of above-mentioned cross-platform vehicular communication system is installed, due to enhanced DSRC communication protocol unit,
Single-protocol communication unit can not stop in the way of Fig. 5, under the premise of not increasing any periphery communication equipment with ETC
Vehicle charging system is compatible, and can realize vehicle communication with the vehicle of other installation DSRC equipment, can also be with other installations originally
The vehicle of system realizes vehicle communication.
On the vehicle for installing above-mentioned cross-platform vehicular communication system, when needing to install periphery communication equipment for this system
When, such as bluetooth equipment, 3G mobile, vehicle-mounted wlan network, Beidou transceiver, GPS receiver and civilian UHF waveband radio station
Deng as shown in fig. 7, present system provides installation interfaces and data-interface.The compatible protocol inside this system can guarantee simultaneously
Data interchange is realized with these periphery communication equipments.Present system provides registration interfaces, when being initially opened periphery communication equipment, this
System can be registered with these equipment, and increase corresponding data processing function automatically.It is needed in periphery communication equipment
When leaving vehicle, present system provides interface is nullified, when closing periphery communication equipment, this system can be nullified with these equipment,
And it is automatically deleted corresponding data processing function.
On the vehicle of installation this system and periphery communication equipment, periphery communication equipment is registered in this system, such as
Shown in Fig. 6, periphery communication equipment has passed through vehicle communication and has obtained other information of vehicles, then passes through its specialized protocol to this system
Information is sent, and the cross-platform compatible protocol of this system can be realized with the equipment and normally be interacted.Periphery communication equipment is collected into
Information be summarized in this system, this system concentration is handled.
The detailed process and preceding method embodiment class of cross-platform vehicle communication are carried out with the system of the embodiment of the present invention
Seemingly, details are not described herein again.
In conclusion the embodiment of the present invention is by being arranged in the car including enhanced DSRC communication protocol unit and at least
The cross-platform vehicular communication system of two single-protocol communication units changes the vehicle that tradition is confined to DSRC communication protocol
The mentality of designing of communication system extends the extension that vehicular communication system defines, and manages different communication function concentratedly, keeps vehicle logical
Letter system is not limited to the communications platform of specific communication protocol, and becomes using DSRC as the Overpassing Platform by Using system of core, can
It flexibly chooses the communication protocol that other equipment are supported to be communicated with other equipment, push using DSRC as core truck traffic
Cross-platform truck traffic System Development.
Under the application environment of traditional ETC transaction, it is logical that there is the mobile unit of DSRC function only to carry out bus or train route for vehicle installation
Letter realizes ETC non-parking charge.Using cross-platform vehicular communication system of the present invention and method, cross-platform number is realized
According to communication protocol, a variety of vehicular communication equipments are integrated, have shared a variety of information of vehicles and are focused on, entire communication system adds
Adduction deleting communication equipment is more flexible, and high efficiency realizes vehicle communication.
Those of ordinary skill in the art will appreciate that: attached drawing is the schematic diagram of one embodiment, circuit in attached drawing or
Process is not necessarily implemented necessary to the present invention.
As seen through the above description of the embodiments, those skilled in the art can be understood that the present invention can
It realizes by means of software and necessary general hardware platform.Based on this understanding, technical solution of the present invention essence
On in other words the part that contributes to existing technology can be embodied in the form of software products, the computer software product
It can store in storage medium, such as ROM/RAM, magnetic disk, CD, including some instructions are used so that a computer equipment
(can be personal computer, server or the network equipment etc.) executes the certain of each embodiment or embodiment of the invention
Method described in part.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for device or
For system embodiment, since it is substantially similar to the method embodiment, so describing fairly simple, related place is referring to method
The part of embodiment illustrates.Apparatus and system embodiment described above is only schematical, wherein the conduct
The unit of separate part description may or may not be physically separated, component shown as a unit can be or
Person may not be physical unit, it can and it is in one place, or may be distributed over multiple network units.It can root
According to actual need that some or all of circuit therein is selected to achieve the purpose of the solution of this embodiment.Ordinary skill
Personnel can understand and implement without creative efforts.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of protection of the claims
Subject to.
Claims (11)
1. a kind of cross-platform vehicle communication method, which is characterized in that enhanced dedicated short-range communication technology is arranged in the car
DSRC communication protocol unit and at least two single-protocol communication units, the enhanced dedicated short-range communication technology DSRC communication
Protocol element can handle the communication data of at least two communication protocols, and the single-protocol communication unit can handle single communication association
The communication data of view；
The vehicle is corresponding by the data frame header characteristic information of enhanced DSRC communication protocol and various single communication agreements
Data frame header characteristic information be stored in protocol registration table, the data frame front of the enhanced DSRC communication protocol increases
One BST frame constitutes the structure of double BST frames；
When the vehicle is communicated with other equipment, judge whether other equipment support enhanced DSRC communication protocols
View, if it is, the vehicle is communicated by the enhanced DSRC communication protocol unit with other equipment；It is no
Then, the single-protocol communication unit that the vehicle chooses that other equipment are supported is communicated with other equipment.
2. cross-platform vehicle communication method according to claim 1, which is characterized in that at least two single-protocol
Communication unit is respectively DSRC protocol communication unit, Bluetooth protocol communication unit, 3G 2G protocol communication unit, WLAN protocol
One in communication unit, Beidou protocol communication unit, GPS protocol communication unit or civilian UHF waveband station telecommunication unit.
3. cross-platform vehicle communication method according to claim 1, which is characterized in that the vehicle includes at least two
Communication interface, the enhanced DSRC communication protocol unit or single-protocol communication unit are connect by least two communication
Mouth is parallel to receive or sends communication data.
4. cross-platform vehicle communication method according to claim 1 or 2 or 3, which is characterized in that described to work as the vehicle
When being communicated with other equipment, judge whether other equipment support enhanced DSRC communication protocol, comprising:
After the vehicle receives the communication data that other equipment are sent by communication interface, the communication data is obtained
Data frame header characteristic information inquires the protocol registration table according to the data frame header characteristic information, judges the data
Whether frame header information meets the data frame header feature of the enhanced DSRC communication protocol, if so, determination is described other
Equipment supports enhanced DSRC communication protocol；Otherwise, it determines other equipment do not support enhanced DSRC communication protocol.
5. cross-platform vehicle communication method according to claim 4, which is characterized in that the vehicle is chosen described other
The single-protocol communication unit that equipment is supported is communicated with other equipment, comprising:
Vehicle protocol registration table according to the data frame header characteristic information poll of the communication data obtains described logical
One or more kinds of single communication agreements that the data frame header characteristic information of letter data is met；
Certain single communication agreement corresponding single-protocol communication unit and institute of the vehicle using other equipment supports
State other equipment communications.
6. cross-platform vehicle communication method according to claim 5, which is characterized in that the method further include:
The mark of other equipment, one or more kinds of communication protocols of support are stored in device registry by the vehicle
In；
When vehicle needs are communicated with other equipment in device registry, the vehicle is according to other equipment
Mark inquire the device registry, judge whether other equipment support enhanced DSRC communication protocol, if it is,
The vehicle is communicated by the enhanced DSRC communication protocol unit with other equipment；Otherwise, the vehicle is logical
It crosses the device registry and obtains one or more kinds of single communication agreements that other equipment are supported, using other equipment
The corresponding single-protocol communication unit of certain single communication agreement supported and other equipment communications.
7. a kind of cross-platform vehicular communication system, which is characterized in that the system be arranged in the car, the system comprises: increase
Strong type DSRC communication protocol unit, single-protocol communication unit, agreement judging unit and information memory cell；
The enhanced DSRC communication protocol unit, be can handle at least two communication protocols communication data it is enhanced
DSRC communication protocol unit；
The single-protocol communication unit, quantity be it is multiple, the communication data of single communication agreement can be handled；
The agreement judging unit, for when the vehicle is communicated with other equipment, judging that other equipment are
It is no to support enhanced DSRC communication protocol, if it is, the vehicle passes through the enhanced DSRC communication protocol unit and institute
Other equipment are stated to be communicated；Otherwise, the vehicle choose single-protocol communication unit that the other equipment are supported with it is described
Other equipment are communicated；
The information memory cell, for by the data frame header characteristic information and various lists of enhanced DSRC communication protocol
The corresponding data frame header characteristic information of one communication protocol is stored in protocol registration table, the enhanced DSRC communication protocol
Data frame front increases a BST frame, constitutes the structure of double BST frames；By the mark of other equipment, one kind of support
Or various communications protocols are stored in device registry.
8. cross-platform vehicular communication system according to claim 7, which is characterized in that the communication of at least two single-protocols
Unit is respectively DSRC protocol communication unit, Bluetooth protocol communication unit, 3G 2G protocol communication unit, WLAN protocol communication
One in unit, Beidou protocol communication unit, GPS protocol communication unit or civilian UHF waveband station telecommunication unit.
9. cross-platform vehicular communication system according to claim 7, which is characterized in that the system comprises at least two
Communication interface, the enhanced DSRC communication protocol unit or single-protocol communication unit are connect by least two communication
Mouth is parallel to receive or sends communication data.
10. the cross-platform vehicular communication system according to claim 7 or 8 or 9, which is characterized in that the system is also wrapped
It includes: the agreement judging unit, after receiving the communication data that other equipment are sent by communication interface,
The data frame header characteristic information for obtaining the communication data is inquired the agreement according to the data frame header characteristic information and is infused
Volume table, judges whether the data frame header information meets the data frame header feature of the enhanced DSRC communication protocol, such as
Fruit is to determine that other equipment support enhanced DSRC communication protocol；Otherwise, it determines other equipment do not support it is enhanced
DSRC communication protocol, according to protocol registration table described in the data frame header characteristic information poll of the communication data, described in acquisition
One or more kinds of single communication agreements that the data frame header characteristic information of communication data is met, described in the vehicle uses
The corresponding single-protocol communication unit of certain single communication agreement and other equipment communications that other equipment are supported.
11. cross-platform vehicular communication system according to claim 10, it is characterised in that:
The agreement judging unit, specifically for needing to be communicated with other equipment in device registry when the vehicle
When, the device registry is inquired according to the mark of other equipment, it is enhanced to judge whether other equipment are supported
DSRC communication protocol, if it is, the vehicle by the enhanced DSRC communication protocol unit and other equipment into
Row communication；Otherwise, it is single logical by the device registry to obtain the one or more that other equipment are supported for the vehicle
Believe agreement, the corresponding single-protocol communication unit of certain single communication agreement supported using the other equipment and described other
Equipment communication.
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| CN108476221B (en) * | 2017-04-07 | 2021-03-26 | 深圳市大疆创新科技有限公司 | Signal processing method, device and monitoring device of unmanned aerial vehicle |
| CN114362843B (en) * | 2021-12-27 | 2024-08-06 | 北京万集科技股份有限公司 | Method and device for detecting vehicle-mounted unit and related products |
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