CN107846708A - V2X data transmission methods and device - Google Patents
V2X data transmission methods and device Download PDFInfo
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- CN107846708A CN107846708A CN201610833673.4A CN201610833673A CN107846708A CN 107846708 A CN107846708 A CN 107846708A CN 201610833673 A CN201610833673 A CN 201610833673A CN 107846708 A CN107846708 A CN 107846708A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
- H04W28/065—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information using assembly or disassembly of packets
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Abstract
The embodiment of the invention discloses a kind of V2X data transmission methods and device, methods described to include：Obtain the communications status information of V2X communication link；When the communications status information is unsatisfactory for default communication condition, V2X data envelopes waiting for transmission are dressed up to the first packet for being suitable for cellular cell network transmission；By first packet by the cellular cell network transmission to book server；Wherein, first packet is used to give V2X receiving terminals by the cellular cell forwarded by the book server.So can be when the communications status of V2X communication link be bad, by cellular cell network transmission V2X data, it is ensured that the smooth and high-quality transmission of V2X data.
Description
Technical field
The present invention relates to wireless communication field, more particularly to a kind of vehicle is to arbitrary equipment (Vehicle to
Everything, V2X) data transmission method and device.
Background technology
In vehicle to arbitrary equipment, such as vehicle is to vehicle (Vehicle to Vehicle, the V2V) communication technology, at certain
The problems such as interface-free resources congestion, serious interference can often occur under a little special applications scenes, and then cause in V2X data transfer
The problem of disconnected or poor transmission.
The content of the invention
In view of this, the embodiment of the present invention it is expected to provide a kind of V2X data transmission methods and device, at least partly solves
The problem of V2X data-transmission interruptions or poor transmission.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
First aspect of the embodiment of the present invention provides a kind of vehicle to arbitrary equipment V2X data transmission methods, including：
Obtain the communications status information of V2X communication link；
When the communications status information is unsatisfactory for default communication condition, V2X data envelopes waiting for transmission are dressed up suitably
In the first packet of cellular cell network transmission；
By first packet by the cellular cell network transmission to book server；Wherein, first number
It is used to give V2X receiving terminals by the cellular cell forwarded by the book server according to bag.
It is described when the communications status information is unsatisfactory for default communication condition based on such scheme, by V2X waiting for transmission
Data envelope dresses up the first packet for being suitable for cellular cell network transmission, including：
The V2X packets are disassembled, extract the predetermined information in the V2X packets；
According to communication protocol corresponding to the cellular cell network, the predetermined information is packaged into first data
Bag.
It is described when the communications status information is unsatisfactory for default communication condition based on such scheme, by V2X waiting for transmission
Data envelope dresses up the first packet for being suitable for cellular cell network transmission, including：
According to communication protocol corresponding to the cellular cell network, the V2X packets and V2X application instructions are sealed
Dress, form first packet.
It is described when the communications status information is unsatisfactory for default communication condition based on such scheme, by V2X waiting for transmission
Data envelope dresses up the first packet for being suitable for cellular cell network transmission, including：
By the V2X packets and forwarding priority Information encapsulation into the first data for being suitable for cellular cell network transmission
Bag；Wherein, the forwarding priority information is used for the forwarding sequential that the book server determines forwarding first packet.
Based on such scheme, methods described also includes：
When the communications status information meets the default communication condition, communication that the V2X packets are passed through into V2X
Link is sent to V2X receiving terminals.
Second aspect of the embodiment of the present invention provides a kind of vehicle to arbitrary equipment V2X data transmission methods, including：
Receive the first packet of cellular cell forwarded；Wherein, first packet is what V2X transmitting terminals were formed
And it is sent to the packet of V2X receiving terminals；
First packet is sent using cellular cell network.
It is described to send first packet using cellular cell network based on such scheme, including：
It is determined that the cellular cell of forwarding first packet；
First packet is broadcasted by the cellular cell of determination.
Based on such scheme, first packet for receiving cellular cell forwarded, including：
Mobile edge calculations MEC servers receive the second packet of the cellular cell forwarding；
Determine whether second packet includes V2X application instructions；
It is determined that the packet including V2X application instructions is first packet.
Based on such scheme, methods described also includes：
Extract the forwarding priority information in first packet；
According to the forwarding priority information, when determining the use of cellular cell network and sending the forwarding of first packet
Sequence；
It is described to send first packet using cellular cell network, including：
Based on the forwarding sequential, first packet is sent using cellular cell network.
The third aspect of the embodiment of the present invention provides a kind of vehicle to arbitrary equipment V2X data transmission methods, including：
Receive the 3rd packet that cellular cell network is sent；
The 3rd packet is identified, determines whether the 3rd packet is to utilize the cellular cell forwarded
V2X data.
Based on such scheme, the 3rd packet for receiving cellular cell network and sending, including：
Receive the 3rd packet of cellular cell Web broadcast.
Based on such scheme, identification the 3rd packet, determine whether the 3rd packet is using described
The V2X data of cellular cell forwarded, including：
When the 3rd packet is the packet of V2X application servers forwarding, determine that the 3rd data are to include
First packet of the V2X data；
Methods described also includes：
First packet is transferred to cellular communication module and carries out data dissection process.
Based on such scheme, identification the 3rd packet, determine whether the 3rd packet is using described
The V2X data of cellular cell forwarded, including：
Identify the 3rd packet；
When the 3rd packet includes V2X application instructions, it is to include the V2X numbers to determine the 3rd packet
According to the first packet；
Methods described also includes：
First packet is transferred to V2X communication modules and carries out data dissection process.
Fourth aspect of the embodiment of the present invention provides a kind of vehicle to arbitrary equipment V2X data transmission devices, including：
Acquiring unit, the communications status information of the communication link for obtaining V2X；
Encapsulation unit, for when the communications status information is unsatisfactory for default communication condition, by V2X data waiting for transmission
The first packet for being suitable for cellular cell network transmission is dressed up in encapsulating；
First transmission unit, for by first packet by the cellular cell network transmission to reservation service
Device；Wherein, first packet is used to be received to V2X by the cellular cell forwarded by the book server
End.
Based on such scheme, the encapsulation unit, specifically for disassembling the V2X packets, the V2X packets are extracted
In predetermined information；According to communication protocol corresponding to the cellular cell network, the predetermined information is packaged into described first
Packet.
Based on such scheme, the encapsulation unit, specifically for the communication protocol according to corresponding to the cellular cell network,
The V2X packets and V2X application instructions are packaged, form first packet.
Based on such scheme, the encapsulation unit, be additionally operable to by the V2X packets and forwarding priority Information encapsulation into
It is suitable for the first packet of cellular cell network transmission；Wherein, the forwarding priority information is used for the book server
It is determined that the forwarding sequential of forwarding first packet.
Based on such scheme, described device also includes：
Second transmission unit, for when the communications status information meets the default communication condition, by the V2X numbers
V2X receiving terminals are sent to by V2X communication link according to bag.
The aspect of the embodiment of the present invention the 5th provides a kind of vehicle to arbitrary equipment V2X data transmission devices, including：
First receiving unit, for receiving the first packet of cellular cell forwarded；Wherein, first packet
Packet that is being formed for V2X transmitting terminals and being sent to V2X receiving terminals；
First transmitting element, for sending first packet using cellular cell network.
Based on such scheme, first transmitting element, specifically for determining to forward the honeycomb of first packet small
Area；First packet is broadcasted by the cellular cell of determination.
Based on such scheme, described device is applied in mobile edge calculations MEC servers,
First receiving unit, the second packet specifically for receiving the cellular cell forwarding；
Described device also includes：
First determining unit, for determining whether second packet includes V2X application instructions, and determine including described
The packet of V2X application instructions is first packet.
Based on such scheme, described device also includes：
Extraction unit, for extracting the forwarding priority information in first packet；
Second determining unit, for according to the forwarding priority information, determining the use of described in the network transmission of cellular cell
The forwarding sequential of first packet；
First transmitting element, specifically for based on the forwarding sequential, described the is sent using cellular cell network
One packet.
The aspect of the embodiment of the present invention the 6th provides a kind of vehicle to arbitrary equipment V2X data transmission devices, including：
Second receiving unit, the 3rd packet sent for receiving cellular cell network；
Recognition unit, for identifying the 3rd packet, determine whether the 3rd packet is to utilize the honeycomb
The V2X data of subzone network forwarding.
Based on such scheme, second receiving unit, the specifically for receiving cellular cell Web broadcast the described 3rd
Packet.
Based on such scheme, the recognition unit, specifically for being forwarded when the 3rd packet for V2X application servers
Packet when, it is to include the first packet of the V2X data to determine the 3rd data；
Described device also includes：
First resolution unit, data dissection process is carried out for first packet to be transferred into cellular communication module.
Based on such scheme, the recognition unit, specifically for identifying the 3rd packet；When the 3rd packet
When including V2X application instructions, it is the first packet for including the V2X data to determine the 3rd packet；
Described device also includes：
Second resolution unit, data dissection process is carried out for first packet to be transferred into V2X communication modules.
V2X data transmission methods and device provided in an embodiment of the present invention, are unsatisfactory for pre- in the communication link for determining V2X
If during communication condition, in order to ensure V2X data smooth transmission and ensure transmission quality, V2X data can be packaged into and be applied to
First packet of cellular cell network transmission, by the first packet by cellular cell network transmission to book server, then
Select suitable cellular cell network that first packet is sent into corresponding receiving terminal by book server, realize V2X
The smooth and high-quality transmission of data.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the first V2X data transmission method provided in an embodiment of the present invention；
Fig. 2 is the schematic flow sheet of second of V2X data transmission methods provided in an embodiment of the present invention；
Fig. 3 is the schematic flow sheet of the third V2X data transmission method provided in an embodiment of the present invention；
Fig. 4 is the structural representation of the first V2X data transmission device provided in an embodiment of the present invention；
Fig. 5 is the structural representation of second of V2X data transmission devices provided in an embodiment of the present invention；
Fig. 6 is the structural representation of the third V2X data transmission device provided in an embodiment of the present invention；
Fig. 7 is a kind of transmission flow schematic diagram of V2X data provided in an embodiment of the present invention；
Fig. 8 is a kind of reception schematic flow sheet of V2X data provided in an embodiment of the present invention.
Embodiment
Technical scheme is further elaborated below in conjunction with Figure of description and specific embodiment.
As shown in figure 1, the present embodiment provides a kind of vehicle to arbitrary equipment V2X data transmission methods, including：
Step S110：Obtain the communications status information of V2X communication link；
Step S120：When the communications status information is unsatisfactory for default communication condition, by V2X data envelopes waiting for transmission
Dress up the first packet for being suitable for cellular cell network transmission；
Step S130：By first packet by the cellular cell network transmission to book server；Wherein, institute
The first packet is stated to be used to give V2X receiving terminals by the cellular cell forwarded by the book server.
The step S110 will obtain the communications status information of V2X communication link in the present embodiment, it may include Xiang Cun
The equipment for containing the communications status information sends information acquisition request, receives based on the communication for obtaining request and returning
Status information.The step S110 may also include：The communication link is intercepted, it is determined that corresponding to the communication link in the V2X
Whether frequency spectrum resource is occupied, whether has interference, so as to obtain the communications status information.The step S110 may also include：
Detection packet is sent to V2X receiving terminals, receives the information that other side is returned based on detection packet.If the letter of return is not received
Cease or receive return information time-out or receive return information it is incorrect, can be assumed that current V2X communication link
Communications status information is bad, it is impossible to ensures the data transmission quality of V2X packets.
The communications status information of current V2X communication link can be obtained in a word in the present embodiment, the communications status information
The problems such as whether having congestion, interference available for the communication link for judging current V2X or interrupt, so that it is determined that going out current V2X's
The reliability of communication link.
If judging in the step s 120, current V2X communication link is unreliable, then it is assumed that is unsatisfactory for the default communication
Condition, for example, if it is determined that the available bandwidth of the communication link of the V2X is less than first threshold, interference is higher than Second Threshold, or
The information time-out that the information of V2X receiving terminals return mutually returns is not received, can be assumed that the communications status information is unsatisfactory for institute
State default communication condition.Now, in the present embodiment can will be waiting for transmission in order to ensure the proper communication of the V2X packets
V2X packets carry out protocol conversion, that is, Reseal, and are packaged into the first packet for being suitable for cellular cell transmission.Utilize honeybee
Content in the nest subzone network transfer V2X packets or V2X packets, current urgent V2X data are avoided because communication chain
The problem of can not being transmitted caused by the communications status on road is bad, it is ensured that the timely transmission and high-quality transmission of V2X data.
For example, vehicle A, somewhere there occurs traffic accident, in order to avoid causing serious vehicle congestion, vehicle A utilizes car
Carry equipment to send a warning message, preparation is carried out data transmission by V2X technologies, but finds current dense fog and geography in transmission
Position causes the communications status of communication link very bad, in the present embodiment can be by institute in order to forward the warning information as soon as possible
State the first packet that V2X packets Reseal suitable cellular cell network transmission；It is small that first packet is sent to honeycomb
The base station of area's network, book server is transmitted to by the base station of cellular cell network.The book server in the present embodiment
Can be V2X application servers, dedicated for handling the V2X data of this cellular cell forwarded.The book server is also
It can be the various servers with comprehensive function, such as move edge calculations (Mobility Edge Computing, MEC)
First packet can be transmitted to corresponding intended recipient end, so that it is guaranteed that V2X by server, MEC servers by identification
The smooth and high-quality transmission of data.
The cellular cell network can be Long Term Evolution (Long Term Evolution, LTE) net in the present embodiment
Network, concretely 3G, 4G or 5G network.In addition, the V2X data may include to refer to using LTE V2X communications in the present embodiment
Show transmission data and/or using DSRC technology (Dedicated Short Range Communication,
DSRC) the data of transmission.
In certain embodiments, the step S120 can, including：
The V2X packets are disassembled, extract the predetermined information in the V2X packets；
According to communication protocol corresponding to the cellular cell network, the predetermined information is packaged into first data
Bag.
In the present embodiment firstly the need of that will be unpacked according to the good V2X packets of V2X protocol encapsulations, extract
Useful data in V2X packets, for example, Payload.Here useful data or Payload is all that equipment needs to send
Data to V2X receiving terminals.The useful data and the Payload belong to one kind of the predetermined information.So formed
The first packet be what the communication protocol based on cellular cell network encapsulated, be just suitable for passing in the network of cellular cell certainly
It is defeated.The book server is the server for being connected to cellular cell network.
In certain embodiments, the step S120 includes：
According to communication protocol corresponding to the cellular cell network, the V2X packets and V2X application instructions are sealed
Dress, form first packet.
In the present embodiment when encapsulation forms the first packet, the V2X packets of encapsulated number will not be torn open
Solution, but be directly packaged whole V2X packets and V2X application instructions, form the first packet.Here V2X applications
Indicate the V2X business datums that the data for indicating to encapsulate in the first packet are V2X applications.Obviously in the method may not be used
Disassembled with to V2X, directly encapsulated herein, there is the characteristics of simple to operate.
The step S120 may also include：
By the V2X packets and forwarding priority Information encapsulation into the first data for being suitable for cellular cell network transmission
Bag；Wherein, the forwarding priority information is used for the forwarding sequential that the book server determines forwarding first packet.
Also include the forwarding priority information for obtaining the V2X packets in the present embodiment, generally can be according to the V2X data
The data such as the urgency level and data type of the V2X data in bag, determine the forwarding priority information.Forwarding priority is believed
The forwarding priority of breath instruction is higher, then book server can be forwarded preferentially.For example, when driving, form alarm road
There are the V2X data that traffic accident is urgently rescued in the wet and slippery V2X data in face, and alarm front, it is clear that alert the V2X of road surface slippery situation
The priority of data, it will be less than alarm front and the priority for the V2X data that traffic accident is urgently rescued occur, to ensure urgent journey
Du Genggao V2X high priority datas forwarding, to avoid delaying rescue.
In certain embodiments, when the communications status information meets the default communication condition, by the V2X data
Bag is sent to V2X receiving terminals by V2X communication link.In the present embodiment, if the communications status of certain V2X communication link
Well, will be direct in order to reduce the occupancy of the communication resource to cellular cell network, while in order to reduce the time delay of data transfer
The transmission of the packet is carried out using V2X communication link, such V2X receiving terminals can just receive the V2X packets and hold
Row subsequent operation.
In a word, the communications status of the communication link according to current V2X is passed through what is generally laid now in the present embodiment
Cellular cell network carries out transfer, so that it is guaranteed that the smooth and transmission quality of V2X data transfers.
As shown in Fig. 2 the present embodiment provides a kind of vehicle to arbitrary equipment V2X data transmission methods, including：
Step S210：Receive the first packet of cellular cell forwarded；Wherein, first packet is sent out for V2X
Packet that is that sending end is formed and being sent to V2X receiving terminals；
Step S220：First packet is sent using cellular cell network.
Methods described can be applied to the V2X data transmission methods in the book server in the present embodiment.At this
Book server will be by first packet in embodiment；Cellular cell network will be continued with step S220 to send
First packet.The step S220 may include to broadcast first described in first packet or multicast in the present embodiment
Packet.By the first packet described in the Web broadcast of cellular cell, then all terminals resided in the cellular cell all may be used
To receive, if carrying out multicast, only part terminal can receive the packet.
In a word, book server described in the present embodiment can utilize cellular cell network, should have V2X's originally to forward
The first packet for including V2X data that communication link is sent, to ensure the smooth and high-quality transmission of V2X packets.
In certain embodiments, the step S220 may include：
It is determined that the cellular cell of forwarding first packet；
First packet is broadcasted by the cellular cell of determination.
It can determine whether to forward the cellular cell of first packet in the present embodiment.For example, book server is from cell A
Receiving first data includes, and first packet has adverse weather etc. to cause the difficult alarm letter of driving for alarm A sections
Breath.Assuming that one section of the A sections are connected to section B, other end connection section C；Now, in order to realize preferably alarm effect,
It may need for the warning information to be forwarded to the cellular cell where section B and section C, will just or in advance enter A roads to inform
The vehicle of section pays attention to driving safety.
After determining to forward the cellular cell of first packet, by these cellular cells in respective covering model
Interior broadcast first data are enclosed, the vehicle so passed through can just receive the warning information, so as to lift driving safety.
Certainly during concrete implementation, it may be determined that all cells in the cell A preset distances are sent
First packet, for example, cell A adjacent cell B and adjacent cell B adjacent cell C may be selected to forward first number
According to bag, to ensure that more V2X receiving terminals can have correctly received the V2X data in first packet.
Certainly, it the above is only citing, be not limited in the specific cellular cell for determining forwarding first packet above-mentioned
Any one method.
In further embodiments, the step S210 may include：Mobile edge calculations MEC servers receive the honeycomb
Second packet of cell forwarding；Determine whether second packet includes V2X application instructions；It is determined that should including the V2X
It is first packet with the packet of instruction.
The MEC servers can receive many packets from cellular cell network, but be not each packet
For first packet, the MEC servers parsing second packet, determines second packet in the present embodiment
Whether V2X application instruction is included, if being indicated including V2X applications, it is believed that the packet of the second packet first.
For example, the MEC servers parse the packet header of second packet, the whether described V2X applications instruction in the packet header is determined, if
Indicated including V2X applications, then V2X receiving terminals are transmitted to by cellular cell.Here forwarding, can be with broadcast or multicast.
In certain embodiments, methods described also includes：Extract the forwarding priority information in first packet；Root
According to the forwarding priority information, the forwarding sequential that cellular cell network sends first packet is determined the use of；The step
Rapid S220 may include：Based on the forwarding sequential, first packet is sent using cellular cell network.
The book server may receive the first packet for much needing to forward, it is possible that forwarding data
The nervous phenomenon of the communication resource of bag, now, in order to ensure the propagation delay time of urgent V2X data enter it is possible small, in this reality
Forwarding sequential can be determined according to precedence information by applying in example, on the one hand ensure the smooth transmission of V2X data, a side may insure excellent
The V2X data that first transmission priority is high or urgency is high.
As shown in figure 3, the present embodiment provides a kind of vehicle to arbitrary equipment V2X data transmission methods, including：
Step S310：Receive the 3rd packet that cellular cell network is sent；
Step S320：The 3rd packet is identified, determines whether the 3rd packet is to utilize the cellular cell
The V2X data of forwarded.
The method provided in the present embodiment can be applied to the method in receiving terminal, can receive cellular cell net first
The 3rd packet that network is sent, determine whether the 3rd packet is V2X data using cellular cell forwarded.Certainly exist
V2X receiving terminals not only can receive V2X data from V2X communication link in the present embodiment, can also be from cellular cell network
The V2X data are received, even if so the communications status of V2X communication link is bad under current state, be able to can also be received
To the V2X data, it is ensured that the smooth transmission and high-quality transmission of V2X data.
In certain embodiments, the step S310 may include：Receive the 3rd data of cellular cell Web broadcast
Bag.What the first packet including the V2X data was most in the present embodiment may be by broadcast mode, naturally it is also possible to
It is multicast mode, therefore in the present embodiment in order to receive the V2X data, the 3rd of the broadcast received in step S310 counts
According to bag, therefore the first data for including the V2X data will be identified from the 3rd packet of broadcast reception in step s 320
Bag.
In certain embodiments, the step S320 may include：When the 3rd packet forwards for V2X application servers
Packet when, it is to include the first packet of the V2X data to determine the 3rd data；Methods described also includes：By institute
State the first packet and be transferred to cellular communication module progress data dissection process.If for example, the 3rd packet is should by V2X
The packet sent with server by cellular cell network, it is first packet that can confirm the 3rd packet.Therefore
It can determine whether the 3rd packet is the first packet according to the source of the 3rd packet in the present embodiment.At this
If first packet is forwarded by the V2X application servers in implementation, what the packet directly used is applied to
What communication protocol corresponding to the network of cellular cell encapsulated, therefore directly can be led in the present embodiment using the honeycomb in receiving terminal
Believe that module carries out data dissection process, obtain V2X data.
In certain embodiments, the step S320 may include：
Identify the 3rd packet；
When the 3rd packet includes V2X application instructions, it is to include the V2X numbers to determine the 3rd packet
According to the first packet；
Methods described also includes：
First packet is transferred to V2X communication modules and carries out data dissection process.
First packet can be that the packet to be formed directly is packaged to V2X packets in the present embodiment, therefore
The first packet is parsed by cellular communication module first in this embodiment, the V2X applications instruction is obtained, when it is determined that including institute
When stating V2X data, first packet is further sent to V2X communication modules, V2X business is used by V2X communication modules
Corresponding communication protocol, the V2X packets in first packet are parsed, so as to obtain the V2X data.
Include as shown in figure 4, the present embodiment provides a kind of vehicle to arbitrary equipment V2X data transmission devices：
Acquiring unit 110, the communications status information of the communication link for obtaining V2X；
Encapsulation unit 120, for when the communications status information is unsatisfactory for default communication condition, by V2X waiting for transmission
Data envelope dresses up the first packet for being suitable for cellular cell network transmission；
First transmission unit 130, for first packet to be taken by the cellular cell network transmission to predetermined
Business device；Wherein, first packet is used to be received to V2X by the cellular cell forwarded by the book server
End.
V2X data transmission devices described in the present embodiment can be applied to the device in V2X terminals, for example, V2X is sent eventually
End.
The acquiring unit 110 and first transmission unit 130 can all correspond to radio communication i.e. in the present embodiment
Can, the communications status information can be received by wireless communication interface, or transmission first packet is given to the predetermined clothes
Business device.The processor or process circuit that the encapsulation unit 120 may correspond in terminal.The processor may include central processing
Device CPU, Micro-processor MCV, digital signal processor DSP, programmable array PLC, application processor AP etc..The process circuit
It may include application-specific integrated circuit ASIC etc..The processor or process circuit can be by the execution of executable code, by the V2X
Data are packaged into first data.
The V2X data transmission devices that the present embodiment provides can be the hardware configuration for realizing foregoing corresponding method, therefore obtain
Beneficial effect is similar with preceding method, is just not repeated herein.
In certain embodiments, the encapsulation unit 120, specifically for disassembling the V2X packets, the V2X is extracted
Predetermined information in packet；According to communication protocol corresponding to the cellular cell network, the predetermined information is packaged into institute
State the first packet.The encapsulation unit 120 first solves V2X packets in the present embodiment, then encapsulates and disassemble out and must transmit
Data to V2X receiving terminals.
In further embodiments, the encapsulation unit 120, specifically for being led to according to corresponding to the cellular cell network
Believe agreement, the V2X packets and V2X application instructions are packaged, form first packet.It is described in this embodiment
Encapsulation unit 120, directly whole V2X packets can be packaged using communication protocol corresponding to the network of cellular cell, this
The whole V2X packets of sample are included in first packet and suffered, in order to identify encapsulated in first packet for V2X numbers
According to bag, can also be indicated in the first packet encapsulation V2X applications.
In certain embodiments, the encapsulation unit 120, it is additionally operable to the V2X packets and forwarding priority information
It is packaged into the first packet for being suitable for cellular cell network transmission；Wherein, the forwarding priority information is used for described predetermined
Server determines to forward the forwarding sequential of first packet.
In the present embodiment by forwarding the encapsulation of prior information, it can be ensured that the data for being necessary preferentially to forward first turn
Hair.
Described device also includes：
Second transmission unit, for when the communications status information meets the default communication condition, by the V2X numbers
V2X receiving terminals are sent to by V2X communication link according to bag.
The transmission unit of the present embodiment second can be the communication interface that data are transmitted using the V2X communication resource, when leading to for V2X
When believing that the communications status of link is preferable, directly using the second transmission unit transmission V2X data, it can avoid taking cellular cell net
The communication resource of network, alleviate the load of cellular cell network.
Include as shown in figure 5, the present embodiment provides a kind of vehicle to arbitrary equipment V2X data transmission devices：
First receiving unit 210, for receiving the first packet of cellular cell forwarded；Wherein, first number
Packet that is being formed according to bag for V2X transmitting terminals and being sent to V2X receiving terminals；
First transmitting element 220, for sending first packet using cellular cell network.
First receiving unit 210 described in the present embodiment and the first transmitting element 220 can all correspond to communication interface, Neng Gouyu
Cellular cell network is attached, and receives the first packet of cellular cell forwarded, and using cellular cell network by the
One packet is transmitted to the receiving terminal for needing to receive V2X data, so as to by cellular cell network, in V2X communication link
The high-quality transmission of V2X data is carried out when communications status is bad.The described device that the present embodiment provides can be applied to foregoing pre-
Determine the information processor in server.
In certain embodiments, first transmitting element 220, the honeybee specifically for determining forwarding first packet
Nest cell；First packet is broadcasted by the cellular cell of determination.
The cellular cell of first packet will be determined to forward first in the present embodiment, substantially determine forwarding this
Geographic coverage of one packet etc..The first packet is broadcasted using the cellular cell of determination, so in these cellular cells
Terminal can just receive the V2X data, realize transmission of the V2X data by cellular cell network.
The reservation service can be：This V2X application services using cellular cell forwarded V2X data of dedicated processes
The server of device or multiplexing with other functions, to reduce the setting of server in network.For example, the predetermined clothes
Business device can be MEC servers.Therefore in certain embodiments, described device is applied in mobile edge calculations MEC servers, described
First receiving unit 210, the second packet specifically for receiving the cellular cell forwarding；Described device also includes：First
Determining unit, for determining whether second packet includes V2X application instructions, and determine to include the V2X applications instruction
Packet be first packet.
If in the device application MEC servers, the device also includes the first determining unit, first determining unit is corresponding
Physical arrangement can be foregoing processor or process circuit, cellular cell network can be determined by the extraction of V2X application instructions
Whether the packet of transmission is the first packet.
Further, described device also includes：
Extraction unit, for extracting the forwarding priority information in first packet；
Second determining unit, for according to the forwarding priority information, determining the use of described in the network transmission of cellular cell
The forwarding sequential of first packet；
First transmitting element 220, specifically for based on the forwarding sequential, sent using cellular cell network described in
First packet.
Described device also includes extraction unit and the second determining unit, extraction unit here and second in the present embodiment
The hardware configuration of determining unit, foregoing processor or process circuit can be also corresponded to.First transmitting element, by basis
The forwarding sequential that second determining unit determines carries out the forwarding of the first packet, it is ensured that the high V2X high priority datas turn of priority
Hair.
As shown in fig. 6, a kind of vehicle is to arbitrary equipment V2X data transmission devices, including：
Second receiving unit 310, the 3rd packet sent for receiving cellular cell network；
Recognition unit 320, for identifying the 3rd packet, determine whether the 3rd packet is to utilize the honeybee
The V2X data of nest subzone network forwarding.
The V2X data transmission devices that the present embodiment provides can be applied to receiving terminal, for example, the information in V2X receiving terminals
Processing structure.Second receiving unit 310 may correspond to wireless communication interface, can receive that cellular cell network sends the
Three packets.The hardware configuration of the recognition unit 320 may correspond to aforementioned processor or process circuit, may recognize that corresponding
Whether the 3rd packet is the first packet for including V2X data, is received so as to complete the smooth and high quality of V2X data.
In certain embodiments, second receiving unit 310, specifically for receiving described in the Web broadcast of cellular cell
3rd packet.
In certain embodiments, the recognition unit 320, specifically for being V2X application services when the 3rd packet
During the packet of device forwarding, it is to include the first packet of the V2X data to determine the 3rd data；Described device is also wrapped
Include：First resolution unit, data dissection process is carried out for first packet to be transferred into cellular communication module.In this reality
Apply described in example that all data are encapsulated using communication protocol corresponding to the network of cellular cell in the first packet, therefore can be with
Cellular communication module is directly utilized, first packet is parsed using communication protocol corresponding to the network of cellular cell, it is possible to
Get needs the V2X data of the communication link using V2X originally.Here before the first resolution unit specifically may correspond to
The processor or process circuit stated.
In certain embodiments, the recognition unit 320, specifically for identifying the 3rd packet；When the described 3rd
When packet includes V2X application instructions, it is the first packet for including the V2X data to determine the 3rd packet；Institute
Stating device also includes：Second resolution unit, carried out for first packet to be transferred into V2X communication modules at data parsing
Reason.The 3rd packet includes V2X application instructions in the present embodiment, represents the 3rd packet directly to encapsulate V2X
First packet of packet to the packet, it is necessary to be parsed, it is necessary to by carrying out V2X data solutions using V2X communication protocols
Analysis.
During concrete implementation, after the receiving terminal receives the V2X data, in addition to the V2X data are exported
Or carry out the subsequent operation such as alarm according to V2X data.
A specific example is provided below in conjunction with above-mentioned any embodiment：
This example proposes a kind of V2X data connecting methods based on LTE auxiliary switchings, including：
The transmitting terminal of vehicle communication terminal performs following operation：
The first step：When onboard sensor or other artificial modes trigger V2X business, V2X data will be fed through V2X
Communication module；
Second step：When V2X modules receive data, by triggering eat dishes without rice or wine monitoring process current communications link is carried out it is reliable
Property detection, detection can include congestion detection, Interference Detection or other detection modes.Testing result of eating dishes without rice or wine will be with corresponding detection
Horizontal reference is contrasted：
When testing result is not above reference threshold, then V2X data will be forwarded along original data link；
When testing result exceedes reference threshold, illustrate original V2X links because congestion, interference or other factors cause link
Unreliable or interruption, then V2X data forwardings will start switching flow, and switching target is grand net LTE links.Here grand net is
For one kind of aforementioned cellular subzone network.
3rd step：Switch the V2X data of transmission, protocol conversion can be carried out first, protocol conversion there can be two kinds of conversion sides
Formula：
Mode one：V2X packets are disassembled, the extraction letter such as V2X business Payload and relevant traffic priority
Breath, the encapsulation of LTE packets then is carried out using the information as LTE data payload, while trigger broadcasted application process.
Mode two：Using V2X packets whole (including the header part of V2X bags and Payload parts) as LTE number
According to Payload carry out the encapsulation of LTE packets, and it is for V2X applications to increase in the packet header of LTE bags the packet
Instruction.
4th step：Then the LTE packets with V2X business after protocol conversion are transmitted by LTE transmitting terminals.
The transmission target for the LTE packets that Land use systems one are formed be deployed in network side be used for V2X application servers.
The transmission target for the LTE packets that Land use systems two are formed is to be deployed in the MEC servers of network side.
As shown in fig. 7, V2X, which sends terminal, obtains V2X data, intercepted to eating dishes without rice or wine, judge whether congestion or interference reach
To threshold value, if then carrying out protocol conversion is packaged into LTE data, it is sent to what is be resident in cellular cell using cellular cell network
User equipment (User Equipment, UE)；If otherwise utilize V2X link transmissions.Here V2X links are V2X communication
Link.
Network side completes following act when receiving LTE packets：
The LTE packets formed for Land use systems one：
When V2X application servers receive the LTE data that end side sends over, V2X application servers will be according to reception
V2X data types and priority determine to carry out V2X service broadcasts in a specific cell, and complete the conversion of broadcast sub-frame.
The LTE packets formed for Land use systems two：
MEC servers receive the LTE data that end side sends over, and (i.e. foregoing V2X should for identification car networking application instruction
With instruction) and carry out deep message detection (Deep Packet Inspection, DPI) to LTE data divisions (i.e. V2X data)
Parsing, it is then determined that carrying out V2X data broadcastings in a specific cell.
The receiving terminal of vehicle communication terminal needs to complete following work：
When vehicle-mounted LTE communication expected end receiver receives LTE packets, LTE packets will be unpacked according to flow
Parsing, LTE communication module will be identified identification to LTE packet headers：
If without car networking application sign in packet header, the Payload part of the LTE packets is according to LTE module
Follow-up process is acted, and the broadcast sub-frame towards car networking application will carry out subsequent processes according to broadcasting service；
If the data are identified in packet header will to be extracted towards car networking application, the Payload of LTE packets
It is forwarded to V2X modules and carries out subsequent action (Payload is complete V2X packets), will after V2X modules receive the data
Subsequent action is carried out according to V2X application processes.
As shown in figure 8, V2X receiving terminals receive LTE data, unpack and packet header is identified, detect whether to be to include
V2X application instructions, if parsing LTE packets and obtaining LTE data；If it is not, the V2X packets in parsing LTE packets, are carried
The Payload in V2X data is taken, obtains the V2X data.
In several embodiments provided herein, it should be understood that disclosed apparatus and method, it can be passed through
Its mode is realized.Apparatus embodiments described above are only schematical, for example, the division of the unit, is only
A kind of division of logic function, there can be other dividing mode when actually realizing, such as：Multiple units or component can combine, or
Another system is desirably integrated into, or some features can be ignored, or do not perform.In addition, shown or discussed each composition portion
Point mutual coupling or direct-coupling or communication connection can be the INDIRECT COUPLINGs by some interfaces, equipment or unit
Or communication connection, can be electrical, mechanical or other forms.
The above-mentioned unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can positioned at a place, can also be distributed to multiple network lists
In member；Partly or entirely unit therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.
In addition, each functional unit in various embodiments of the present invention can be fully integrated into a processing module, also may be used
To be each unit individually as a unit, can also two or more units it is integrated in a unit；It is above-mentioned
Integrated unit can both be realized in the form of hardware, can also be realized in the form of hardware adds SFU software functional unit.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can pass through
Programmed instruction related hardware is completed, and foregoing program can be stored in a computer read/write memory medium, the program
Upon execution, the step of execution includes above method embodiment；And foregoing storage medium includes：It is movable storage device, read-only
Memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or
Person's CD etc. is various can be with the medium of store program codes.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (26)
1. a kind of vehicle is to arbitrary equipment V2X data transmission methods, it is characterised in that including：
Obtain the communications status information of V2X communication link；
When the communications status information is unsatisfactory for default communication condition, V2X data envelopes waiting for transmission are dressed up and are suitable for honeybee
First packet of nest subzone network transmission；
By first packet by the cellular cell network transmission to book server；Wherein, first packet
For giving V2X receiving terminals by the cellular cell forwarded by the book server.
2. according to the method for claim 1, it is characterised in that
It is described when the communications status information is unsatisfactory for default communication condition, V2X data envelopes waiting for transmission are dressed up suitably
In the first packet of cellular cell network transmission, including：
The V2X packets are disassembled, extract the predetermined information in the V2X packets；
According to communication protocol corresponding to the cellular cell network, the predetermined information is packaged into first packet.
3. according to the method for claim 1, it is characterised in that
It is described when the communications status information is unsatisfactory for default communication condition, V2X data envelopes waiting for transmission are dressed up suitably
In the first packet of cellular cell network transmission, including：
According to communication protocol corresponding to the cellular cell network, the V2X packets and V2X application instructions are packaged,
Form first packet.
4. according to the method described in any one of claims 1 to 3, it is characterised in that
It is described when the communications status information is unsatisfactory for default communication condition, V2X data envelopes waiting for transmission are dressed up suitably
In the first packet of cellular cell network transmission, including：
By the V2X packets and forwarding priority Information encapsulation into the first packet for being suitable for cellular cell network transmission；
Wherein, the forwarding priority information is used for the forwarding sequential that the book server determines forwarding first packet.
5. according to the method described in any one of claims 1 to 3, it is characterised in that
Methods described also includes：
When the communications status information meets the default communication condition, communication link that the V2X packets are passed through into V2X
It is sent to V2X receiving terminals.
6. a kind of vehicle is to arbitrary equipment V2X data transmission methods, it is characterised in that including：
Receive the first packet of cellular cell forwarded；Wherein, first packet is the concurrent of V2X transmitting terminals formation
Give the packet of V2X receiving terminals；
First packet is sent using cellular cell network.
7. according to the method for claim 6, it is characterised in that
It is described to send first packet using cellular cell network, including：
It is determined that the cellular cell of forwarding first packet；
First packet is broadcasted by the cellular cell of determination.
8. according to the method for claim 6,
First packet for receiving cellular cell forwarded, including：
Mobile edge calculations MEC servers receive the second packet of the cellular cell forwarding；
Determine whether second packet includes V2X application instructions；
It is determined that the packet including V2X application instructions is first packet.
9. according to the method described in any one of claim 6 to 8, it is characterised in that
Methods described also includes：
Extract the forwarding priority information in first packet；
According to the forwarding priority information, the forwarding sequential that cellular cell network sends first packet is determined the use of；
It is described to send first packet using cellular cell network, including：
Based on the forwarding sequential, first packet is sent using cellular cell network.
10. a kind of vehicle is to arbitrary equipment V2X data transmission methods, it is characterised in that including：
Receive the 3rd packet that cellular cell network is sent；
The 3rd packet is identified, determines whether the 3rd packet is V2X using the cellular cell forwarded
Data.
11. according to the method for claim 10, it is characterised in that
The 3rd packet for receiving cellular cell network and sending, including：
Receive the 3rd packet of cellular cell Web broadcast.
12. according to the method for claim 10, it is characterised in that
Identification the 3rd packet, determines whether the 3rd packet is to utilize the cellular cell forwarded
V2X data, including：
When the 3rd packet be V2X application servers forwarding packet when, determine the 3rd data be include it is described
First packet of V2X data；
Methods described also includes：
First packet is transferred to cellular communication module and carries out data dissection process.
13. according to the method for claim 10, it is characterised in that
Identification the 3rd packet, determines whether the 3rd packet is to utilize the cellular cell forwarded
V2X data, including：
Identify the 3rd packet；
When the 3rd packet includes V2X application instructions, it is to include the V2X data to determine the 3rd packet
First packet；
Methods described also includes：
First packet is transferred to V2X communication modules and carries out data dissection process.
14. a kind of vehicle is to arbitrary equipment V2X data transmission devices, it is characterised in that including：
Acquiring unit, the communications status information of the communication link for obtaining V2X；
Encapsulation unit, for when the communications status information is unsatisfactory for default communication condition, by V2X data envelopes waiting for transmission
Dress up the first packet for being suitable for cellular cell network transmission；
First transmission unit, for by first packet by the cellular cell network transmission to book server；Its
In, first packet is used to give V2X receiving terminals by the cellular cell forwarded by the book server.
15. device according to claim 14, it is characterised in that
The encapsulation unit, specifically for disassembling the V2X packets, extract the predetermined information in the V2X packets；According to
Communication protocol corresponding to the cellular cell network, the predetermined information is packaged into first packet.
16. device according to claim 14, it is characterised in that
The encapsulation unit, specifically for the communication protocol according to corresponding to the cellular cell network, to the V2X packets and
V2X application instructions are packaged, and form first packet.
17. according to the device described in any one of claim 14 to 16, it is characterised in that
The encapsulation unit, it is additionally operable to the V2X packets and forwarding priority Information encapsulation into being suitable for cellular cell net
First packet of network transmission；Wherein, the forwarding priority information is used for book server determination forwarding described first
The forwarding sequential of packet.
18. according to the device described in any one of claim 14 to 16, it is characterised in that
Described device also includes：
Second transmission unit, for when the communications status information meets the default communication condition, by the V2X packets
V2X receiving terminals are sent to by V2X communication link.
19. a kind of vehicle is to arbitrary equipment V2X data transmission devices, it is characterised in that including：
First receiving unit, for receiving the first packet of cellular cell forwarded；Wherein, first packet is
Packet that is that V2X transmitting terminals are formed and being sent to V2X receiving terminals；
First transmitting element, for sending first packet using cellular cell network.
20. device according to claim 19, it is characterised in that
First transmitting element, the cellular cell specifically for determining forwarding first packet；By described in determination
Broadcast first packet in cellular cell.
21. device according to claim 19, it is characterised in that
Described device is applied in mobile edge calculations MEC servers；
First receiving unit, the second packet specifically for receiving the cellular cell forwarding；
Described device also includes：
First determining unit, for determining whether second packet includes V2X application instructions, and determine to include the V2X
Packet using instruction is first packet.
22. according to the device described in any one of claim 19 to 21, it is characterised in that
Described device also includes：
Extraction unit, for extracting the forwarding priority information in first packet；
Second determining unit, for according to the forwarding priority information, determining the use of cellular cell network and sending described first
The forwarding sequential of packet；
First transmitting element, specifically for based on the forwarding sequential, first number is sent using cellular cell network
According to bag.
23. a kind of vehicle is to arbitrary equipment V2X data transmission devices, it is characterised in that including：
Second receiving unit, the 3rd packet sent for receiving cellular cell network；
Recognition unit, for identifying the 3rd packet, determine whether the 3rd packet is to utilize the cellular cell
The V2X data of forwarded.
24. device according to claim 23, it is characterised in that
Second receiving unit, the 3rd packet specifically for receiving cellular cell Web broadcast.
25. device according to claim 23, it is characterised in that
The recognition unit, specifically for when the 3rd packet is the packet of V2X application servers forwarding, determining institute
It is to include the first packet of the V2X data to state the 3rd data；
Described device also includes：
First resolution unit, data dissection process is carried out for first packet to be transferred into cellular communication module.
26. device according to claim 23, it is characterised in that
The recognition unit, specifically for identifying the 3rd packet；When the 3rd packet includes V2X application instructions
When, it is the first packet for including the V2X data to determine the 3rd packet；
Described device also includes：
Second resolution unit, data dissection process is carried out for first packet to be transferred into V2X communication modules.
First packet is transferred to V2X communication modules and carries out data dissection process.
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