CN110225496A - A kind of car networking near field broadcasting method and system, car-mounted terminal based on car-mounted terminal - Google Patents
A kind of car networking near field broadcasting method and system, car-mounted terminal based on car-mounted terminal Download PDFInfo
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- CN110225496A CN110225496A CN201810175755.3A CN201810175755A CN110225496A CN 110225496 A CN110225496 A CN 110225496A CN 201810175755 A CN201810175755 A CN 201810175755A CN 110225496 A CN110225496 A CN 110225496A
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- 230000006855 networking Effects 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000004891 communication Methods 0.000 claims abstract description 28
- 238000012545 processing Methods 0.000 claims description 17
- 230000015654 memory Effects 0.000 claims description 11
- 238000004590 computer program Methods 0.000 claims description 6
- 230000005055 memory storage Effects 0.000 claims description 2
- 230000003993 interaction Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/46—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for vehicle-to-vehicle communication [V2V]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
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- Health & Medical Sciences (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Public Health (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention provides a kind of car networking near field broadcasting method and system, car-mounted terminal based on car-mounted terminal, comprising the following steps: receives the connection request message that a certain equipment is sent；Receive the message packet that the equipment is sent；Receive the end message that the equipment is sent；Whether judgement receives the request connection message, the message packet and the end message within a preset period of time；If so, successively sending the request connection message, the message packet and the end message to the other equipment other than equipment described in list of devices；If it is not, retransmitting the request connection message, the message packet and the end message to the device request.Of the invention car networking near field broadcasting method and system, car-mounted terminal based on car-mounted terminal can the mode in the case where that cannot network based on near-field communication realize that the information between vehicle communicates, to promote the safety of vehicle driving.
Description
Technical field
The present invention relates to the technical fields of data communication, wide more particularly to a kind of car networking near field based on car-mounted terminal
Broadcasting method and system, car-mounted terminal.
Background technique
With the continuous improvement of people's living standards, the car ownership on road is increasing.Therefore, vehicle driving is pacified
One of the problem of becoming people's growing interest entirely.Wherein, inter-vehicle communication provides Informational support, vehicle for the safety traffic of vehicle
Webpage comes into being therewith.According to the definition of car networking industrial technology innovation strategic alliances, car networking is with in-vehicle network, inter-vehicle network
Based on vehicle-mounted mobile internet, according to the communication protocol and Data Exchange Standard of agreement, in vehicle-X (X: vehicle, road, Hang Renji
Internet etc.) between, the big grid with information exchange is communicated wirelessly, intelligent traffic management, intelligence are that by
The integrated network of dynamic information service and Vehicular intelligentization control, is that technology of Internet of things is answered in the typical case of field of transportation system
With.
However, in the case where network signal is poor, if vehicle encounters catastrophic failure in the process of moving, as car is deposited
It in dangerous scene or needs to seek help, can not but notify rear car.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of, and the vehicle based on car-mounted terminal joins
Net near field broadcasting method and system, car-mounted terminal, can the mode in the case where that cannot network based on near-field communication realize vehicle
Information communication between, to promote the safety of vehicle driving.
In order to achieve the above objects and other related objects, it is wide to provide a kind of car networking near field based on car-mounted terminal by the present invention
Broadcasting method, comprising the following steps: receive the connection request message that a certain equipment is sent；Receive the message that the equipment is sent
Message；Receive the end message that the equipment is sent；Whether judgement receives the request connection report within a preset period of time
Literary, the described message packet and the end message；If so, successively being sent out to the other equipment other than equipment described in list of devices
Send the request connection message, the message packet and the end message；If it is not, retransmitting the request to the device request
Connect message, the message packet and the end message.
In one embodiment of the invention, the request connection message, the message packet and the end message include
Identical message ID；When the request for receiving identical message ID again connects message, the message packet or the end message
When, not respond.
In one embodiment of the invention, the request connection message, the message packet and institute are received based on Bluetooth communication
State end message.
Accordingly, the present invention provides a kind of car networking near field broadcast system based on car-mounted terminal, including first receives mould
Block, the second receiving module, third receiving module and processing module；
First receiving module is for receiving the connection request message that a certain equipment is sent；
Second receiving module is for receiving the message packet that the equipment is sent；
The third receiving module is for receiving the end message that the equipment is sent；
The processing module is for judging whether receive request the connection message, the message within a preset period of time
Message and the end message；If so, successively sending the request to the other equipment other than equipment described in list of devices
Connect message, the message packet and the end message；If it is not, to the device request retransmit the request connect message,
The message packet and the end message.
In one embodiment of the invention, the request connection message, the message packet and the end message include
Identical message ID；When first receiving module, second receiving module and the third receiving module receive again
When the request of identical message ID connects message, the message packet or the end message, not respond.
In one embodiment of the invention, first receiving module, second receiving module and the third receive mould
Block is based on Bluetooth communication and receives the request connection message, the message packet and the end message.
The present invention provides a kind of car-mounted terminal, comprising: processor and memory；
The memory is for storing computer program；
The processor is used to execute the computer program of the memory storage, so that car-mounted terminal execution is above-mentioned
The car networking near field broadcasting method based on car-mounted terminal.
Finally, the present invention provides a kind of car networking near field broadcast system based on car-mounted terminal, including above-mentioned vehicle-mounted end
The equipment held and be arranged on vehicle；The equipment is arranged on different vehicles from the car-mounted terminal；
The equipment is for sending request connection message, message packet and end message to the car-mounted terminal.
In one embodiment of the invention, the equipment and the car-mounted terminal are based on Bluetooth communication and connects, the equipment and
The car-mounted terminal is each equipped with the list of devices for capableing of bluetooth connection.
In one embodiment of the invention, the equipment is identical as the car-mounted terminal structure.
As described above, the car networking near field broadcasting method and system, car-mounted terminal of the invention based on car-mounted terminal, has
Below the utility model has the advantages that
(1) can the mode in the case where that cannot network based on near-field communication realize the information between vehicle communicate；
(2) based on the urgent broadcast agreement in bluetooth connection building vehicle travel process, it ensure that the reliable of near-field communication
Property；
(3) guarantee is provided for safe driving, it is practical.
Detailed description of the invention
Fig. 1 is shown as the process of car networking near field broadcasting method in an embodiment of the invention based on car-mounted terminal
Figure；
Fig. 2 is shown as the structure of car networking near field broadcast method, system in an embodiment of the invention based on car-mounted terminal
Schematic diagram；
Fig. 3 is shown as the structural schematic diagram of car-mounted terminal of the invention in an embodiment；
Fig. 4 is shown as the knot of car networking near field broadcast method, system in another embodiment of the invention based on car-mounted terminal
Structure schematic diagram.
Component label instructions
21 first receiving modules
22 second receiving modules
23 third receiving modules
24 processing modules
31 processors
32 memories
41 car-mounted terminals
42 equipment
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.
It should be noted that the basic conception that only the invention is illustrated in a schematic way is illustrated provided in the present embodiment,
Then only shown in schema with it is of the invention in related component rather than component count, shape and size when according to actual implementation draw
System, when actual implementation kenel, quantity and the ratio of each component can arbitrarily change for one kind, and its assembly layout kenel can also
It can be increasingly complex.
Of the invention car networking near field broadcasting method and system, car-mounted terminal based on car-mounted terminal can cannot network
In the case where the mode based on near-field communication realize the information between vehicle communicate, the especially communication of emergence message, to be
Vehicle safe driving provides Informational support.
As shown in Figure 1, in an embodiment, the car networking near field broadcasting method of the invention based on car-mounted terminal include with
Lower step:
Step S1, the connection request message that a certain equipment is sent is received.
Specifically, connection request message is sent to current vehicle with the equipment on other vehicles of current vehicle communication connection
Car-mounted terminal.It include message ID in the connection request message.The car-mounted terminal receives the connection request message
Afterwards, start to carry out interpretive model.
Step S2, the message packet that the equipment is sent is received.
Specifically, the equipment continues to send message packet to the car-mounted terminal.It is described in one embodiment of the invention
Message included in message packet is emergency message, so as to based on the car networking near field of the invention based on car-mounted terminal
Broadcasting method realizes the broadcast of the emergency message between vehicle.The car-mounted terminal parses the message packet, to obtain
The message content of message.
Wherein, the message packet includes message ID identical with the connection request message.
Step S3, the end message that the equipment is sent is received.
Specifically, the equipment continues to send end message to the car-mounted terminal, and with mark, this time broadcast terminates.
Wherein, the end message includes message ID identical with the connection request message and the message packet.
Step S4, whether judgement receives the request connection message, the message packet and institute within a preset period of time
State end message；If so, successively sent to the other equipment other than equipment described in list of devices request connection message,
The message packet and the end message；If it is not, retransmitting the request to the device request connects message, the Izvestia
The literary and described end message.
Specifically, if car-mounted terminal is in preset time period, message, described is connected received the complete request in 2s
Message packet and the end message show this time interaction success of the equipment and the car-mounted terminal, then to described vehicle-mounted
Other equipment other than equipment described in the list of devices of terminal successively send request the connection message, the message packet
With the end message, to realize the further broadcast of message so that neighbouring vehicle can timely learning, mentioned for safe driving
For Informational support.If car-mounted terminal connects message in preset time period, do not received the complete request in 2s, described disappears
Message and the end message are ceased, that is, is not received by the request connection message, the message packet and the end message
Or only receive the segment message requested in connection message, the message packet and the end message, then it represents that this time
Interaction failure, the car-mounted terminal send to the equipment and retransmit request, request the equipment repeat the request connect message,
The message packet and the end message, to avoid the omission of message.
In one embodiment of the invention, for car-mounted terminal, when the request for receiving identical message ID again connects
When message, the message packet or the end message, not respond.That is, around car-mounted terminal, the company of communicating with
The multiple equipment connect may be sent to it this message.If respond every time, system redundancy can be brought.Therefore, for same
One message only carries out a secondary response.
In one embodiment of the invention, the request connection message, the message packet and institute are received based on Bluetooth communication
State end message.Specifically, carry out information transmission between car-mounted terminal and equipment by way of near-field communication, thus even if
It can also be in communication with each other in the case where not networking.Wherein, bluetooth approach is preferred near-field communication modes.
As shown in Fig. 2, in an embodiment, the car networking near field broadcast system of the invention based on car-mounted terminal includes the
One receiving module 21, the second receiving module 22, third receiving module 23 and processing module 24.
First receiving module 21 is for receiving the connection request message that a certain equipment is sent.
Specifically, connection request message is sent to current vehicle with the equipment on other vehicles of current vehicle communication connection
Car-mounted terminal.It include message ID in the connection request message.The car-mounted terminal receives the connection request message
Afterwards, start to carry out interpretive model.
Second receiving module 22 is for receiving the message packet that the equipment is sent.
Specifically, the equipment continues to send message packet to the car-mounted terminal.It is described in one embodiment of the invention
Message included in message packet is emergency message, so as to based on the car networking near field of the invention based on car-mounted terminal
Broadcasting method realizes the broadcast of the emergency message between vehicle.The car-mounted terminal parses the message packet, to obtain
The message content of message.
Wherein, the message packet includes message ID identical with the connection request message.
Third receiving module 23 is for receiving the end message that the equipment is sent.
Specifically, the equipment continues to send end message to the car-mounted terminal, and with mark, this time broadcast terminates.
Wherein, the end message includes message ID identical with the connection request message and the message packet.
Processing module 24 is connected with the first receiving module 21, the second receiving module 22 and third receiving module 23, is used for
Whether judgement receives the request connection message, the message packet and the end message within a preset period of time；If so,
Other equipment other than to equipment described in list of devices successively send the request connection message, the message packet and institute
State end message；If it is not, retransmitting the request connection message, the message packet and end report to the device request
Text.
Specifically, if car-mounted terminal is in preset time period, message, described is connected received the complete request in 2s
Message packet and the end message show this time interaction success of the equipment and the car-mounted terminal, then to described vehicle-mounted
Other equipment other than equipment described in the list of devices of terminal successively send request the connection message, the message packet
With the end message, to realize the further broadcast of message so that neighbouring vehicle can timely learning, mentioned for safe driving
For Informational support.If car-mounted terminal connects message in preset time period, do not received the complete request in 2s, described disappears
Message and the end message are ceased, that is, is not received by the request connection message, the message packet and the end message
Or only receive the segment message requested in connection message, the message packet and the end message, then it represents that this time
Interaction failure, the car-mounted terminal send to the equipment and retransmit request, request the equipment repeat the request connect message,
The message packet and the end message, to avoid the omission of message.
In one embodiment of the invention, for car-mounted terminal, when the request for receiving identical message ID again connects
When message, the message packet or the end message, not respond.That is, around car-mounted terminal, the company of communicating with
The multiple equipment connect may be sent to it this message.If respond every time, system redundancy can be brought.Therefore, for same
One message only carries out a secondary response.
In one embodiment of the invention, first receiving module, second receiving module and the third receive mould
Block is based on Bluetooth communication and receives the request connection message, the message packet and the end message.Specifically, car-mounted terminal
Information transmission is carried out by way of near-field communication between equipment, thus can also phase intercommunication even if in the case where not networking
Letter.Wherein, bluetooth approach is preferred near-field communication modes.
It should be noted that it should be understood that the modules of apparatus above division be only a kind of logic function division,
It can completely or partially be integrated on a physical entity in actual implementation, it can also be physically separate.And these modules can be with
All realized by way of processing element calls with software；It can also all realize in the form of hardware；It can also part mould
Block realizes that part of module passes through formal implementation of hardware by way of processing element calls software.For example, x module can be
The processing element individually set up also can integrate and realize in some chip of above-mentioned apparatus, in addition it is also possible to program generation
The form of code is stored in the memory of above-mentioned apparatus, is called by some processing element of above-mentioned apparatus and is executed the above x mould
The function of block.The realization of other modules is similar therewith.Furthermore these modules completely or partially can integrate together, can also be only
It is vertical to realize.Processing element described here can be a kind of integrated circuit, the processing capacity with signal.During realization,
Each step of the above method or the above modules can be by the integrated logic circuits of the hardware in processor elements or soft
The instruction of part form is completed.
For example, the above module can be arranged to implement one or more integrated circuits of above method, such as:
One or more specific integrated circuits (ApplicationSpecificIntegratedCircuit, abbreviation ASIC), or, one
Or multi-microprocessor (digitalsingnalprocessor, abbreviation DSP), or, one or more field-programmable gate array
Arrange (FieldProgrammableGateArray, abbreviation FPGA) etc..For another example, when some above module is dispatched by processing element
When the form of program code is realized, which can be general processor, such as central processing unit
(CentralProcessingUnit, abbreviation CPU) or it is other can be with the processor of caller code.For another example, these modules can
To integrate, realized in the form of system on chip (system-on-a-chip, abbreviation SOC).
As shown in figure 3, car-mounted terminal of the invention includes: processor 31 and memory 32 in an embodiment.
The memory 32 is for storing computer program.
The memory 32, which includes: that ROM, RAM, magnetic disk, USB flash disk, storage card or CD etc. are various, can store program generation
The medium of code.
The processor 31 is connected with the memory 32, the computer program stored for executing the memory 32,
So that the car-mounted terminal executes the above-mentioned car networking near field broadcasting method based on car-mounted terminal.
Preferably, the processor 31 can be general processor, including central processing unit
(CentralProcessingUnit, abbreviation CPU), network processing unit (NetworkProcessor, abbreviation NP) etc.；It can be with
It is digital signal processor (DigitalSignalProcessor, abbreviation DSP), specific integrated circuit
(ApplicationSpecificIntegratedCircuit, abbreviation ASIC), field programmable gate array (Field-
ProgrammableGateArray, abbreviation FPGA) either other programmable logic device, discrete gate or transistor logic device
Part, discrete hardware components.
As shown in figure 4, the car networking near field broadcast system of the invention based on car-mounted terminal includes upper in an embodiment
The car-mounted terminal 41 stated and the equipment 42 being arranged on vehicle；Different vehicles are arranged in from the car-mounted terminal 41 in the equipment 42
On.
The equipment 42 is for sending request connection message, message packet and end message to the car-mounted terminal 41.
In one embodiment of the invention, the equipment and the car-mounted terminal are based on Bluetooth communication and connects, the equipment and
The car-mounted terminal is each equipped with the list of devices for capableing of bluetooth connection.
In one embodiment of the invention, the equipment is identical as the car-mounted terminal structure.
Specifically, the equipment can be broadcast the message originator, and be also possible to the broadcast message turns originator.
By the message broadcast between vehicle, the message is broadcasted in a certain range.Especially emergency message when, help
Vehicle timely learning near field, guarantees the safety of vehicle driving.
In conclusion the car networking near field broadcasting method and system, car-mounted terminal of the invention based on car-mounted terminal can
Mode in the case where that cannot network based on near-field communication realizes that the information between vehicle communicates；Vehicle is constructed based on bluetooth connection
Urgent broadcast agreement in driving process, ensure that the reliability of near-field communication；Guarantee, practicability are provided for safe driving
By force.So the present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (10)
1. a kind of car networking near field broadcasting method based on car-mounted terminal, it is characterised in that: the following steps are included:
Receive the connection request message that a certain equipment is sent；
Receive the message packet that the equipment is sent；
Receive the end message that the equipment is sent；
Whether judgement receives the request connection message, the message packet and the end message within a preset period of time；
If so, successively sending request the connection message, the Izvestia to the other equipment other than equipment described in list of devices
The literary and described end message；If it is not, retransmitting the request connection message, the message packet and the knot to the device request
Beam message.
2. the car networking near field broadcasting method according to claim 1 based on car-mounted terminal, it is characterised in that: the request
Connecting message, the message packet and the end message includes identical message ID；When receiving identical message ID again
Request connection message, the message packet or when the end message, not respond.
3. the car networking near field broadcasting method according to claim 1 based on car-mounted terminal, it is characterised in that: be based on bluetooth
Request connection message, the message packet and the end message described in communications reception.
4. a kind of car networking near field broadcast system based on car-mounted terminal, it is characterised in that: connect including the first receiving module, second
Receive module, third receiving module and processing module；
First receiving module is for receiving the connection request message that a certain equipment is sent；
Second receiving module is for receiving the message packet that the equipment is sent；
The third receiving module is for receiving the end message that the equipment is sent；
The processing module is for judging whether receive request the connection message, the message packet within a preset period of time
With the end message；If so, successively sending the request connection to the other equipment other than equipment described in list of devices
Message, the message packet and the end message；If it is not, retransmitting the request to the device request connects message, described
Message packet and the end message.
5. the car networking near field broadcast system according to claim 4 based on car-mounted terminal, it is characterised in that: the request
Connecting message, the message packet and the end message includes identical message ID；When first receiving module, described
Second receiving module connects message, the message packet with the request that the third receiving module receives identical message ID again
Or it when the end message, not responds.
6. the car networking near field broadcast system according to claim 4 based on car-mounted terminal, it is characterised in that: described first
Receiving module, second receiving module and the third receiving module are based on Bluetooth communication and receive the request connection report
Literary, the described message packet and the end message.
7. a kind of car-mounted terminal, it is characterised in that: include: processor and memory；
The memory is for storing computer program；
The processor is used to execute the computer program of the memory storage, so that the car-mounted terminal perform claim requires
Car networking near field broadcasting method described in any one of 1 to 3 based on car-mounted terminal.
8. a kind of car networking near field broadcast system based on car-mounted terminal, it is characterised in that: including as claimed in claim 7 vehicle-mounted
Terminal and the equipment being arranged on vehicle；The equipment is arranged on different vehicles from the car-mounted terminal；
The equipment is for sending request connection message, message packet and end message to the car-mounted terminal.
9. the car networking near field broadcast system according to claim 8 based on car-mounted terminal, it is characterised in that: the equipment
It is based on Bluetooth communication with the car-mounted terminal to connect, the equipment is each equipped with the car-mounted terminal is capable of setting for bluetooth connection
Standby list.
10. the car networking near field broadcast system according to claim 8 based on car-mounted terminal, it is characterised in that: described to set
It is standby identical as the car-mounted terminal structure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810175755.3A CN110225496A (en) | 2018-03-02 | 2018-03-02 | A kind of car networking near field broadcasting method and system, car-mounted terminal based on car-mounted terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810175755.3A CN110225496A (en) | 2018-03-02 | 2018-03-02 | A kind of car networking near field broadcasting method and system, car-mounted terminal based on car-mounted terminal |
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