CN109068297A - A kind of method and device of determining V2X service transmission path - Google Patents
A kind of method and device of determining V2X service transmission path Download PDFInfo
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- CN109068297A CN109068297A CN201811095311.5A CN201811095311A CN109068297A CN 109068297 A CN109068297 A CN 109068297A CN 201811095311 A CN201811095311 A CN 201811095311A CN 109068297 A CN109068297 A CN 109068297A
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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]
- H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/12—Communication route or path selection, e.g. power-based or shortest path routing based on transmission quality or channel quality
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Abstract
The embodiment of the present invention provides a kind of method and device of determining V2X service transmission path, is related to car networking field, can select suitable transmission path, guarantees that V2X business is smoothly transmitted.This method comprises: MEC equipment receives V2X service request, the characteristic information of V2X business is carried in the V2X service request；And receive the signal quality of present communications interface；And according to the signal quality of present communications interface and the characteristic information of V2X business, it is determined whether continue to transmit V2X business using present communications interface.Wherein, the characteristic information of V2X business includes at least one of following: the service identification of V2X business, the target latency of V2X business, the corresponding regional scope of V2X business；The current communication interface is that the first OBU carries out communication interface used by V2X business is transmitted, which includes PC5 interface or Uu interface.
Description
Technical field
The present embodiments relate to car networking field more particularly to a kind of methods and dress of determining V2X service transmission path
It sets.
Background technique
With the rapid development of car networking, between vehicle-X (X: vehicle, road, pedestrian and internet etc.), can carry out wireless
Communication and information exchange, car networking can be realized intelligent traffic management, Intelligent Dynamic information service and Vehicular intelligentization control.
In car networking, base station, on board unit (On board Unit, OBU) and roadside unit (Road Side Unit,
RSU it can communicate between), to transmit V2X business.Specifically, the transmission path of V2X business may include Uu interface and
PC5 interface etc., wherein communication interface (such as base station and OBU, base station and RSU) of the Uu interface between base station and equipment, PC5
Communication interface (such as OBU and RSU (when RSU be the equipment of terminal type)) of the interface between equipment and equipment.It is exemplary
, when base station sends the processing result of V2X business to OBU, base station directly can send V2X business to OBU by Uu interface
The processing result of V2X business can also be sent to RSU by Uu interface by processing result, base station, and then RSU passes through PC5 interface
The processing result of V2X business is transmitted to OBU.
However, the possibility of the signal quality of PC5 interface or Uu interface changes due to the movement of vehicle, lead to former PC5
Interface or Uu interface are no longer appropriate for transmission V2X business, and since user demand can may also change, former PC5 interface or Uu
Interface is no longer appropriate for the V2X business, in this way, V2X business can not be successfully transmission.
Summary of the invention
The embodiment of the present invention provides a kind of method and device of determining V2X service transmission path, can select suitably to pass
Defeated path guarantees that V2X business is smoothly transmitted.
In order to achieve the above objectives, the embodiment of the present invention adopts the following technical scheme that
In a first aspect, a kind of method of determining V2X service transmission path is provided, this method comprises: mobile edge calculations
(mobile edge computing, MEC) equipment receives V2X service request, and the spy of V2X business is carried in the V2X service request
Reference breath；And MEC equipment receives the signal quality of present communications interface, which is that the first OBU carries out V2X industry
Communication interface used by business is transmitted, which includes PC5 interface or Uu interface；And MEC equipment is according to present communications
The signal quality of interface and the characteristic information of V2X business, it is determined whether continue to transmit V2X business using present communications interface；Its
In, the characteristic information of the V2X business includes at least one of following: the service identification of V2X business, V2X business target latency,
The corresponding regional scope of V2X business.
In the first optional implementation of first aspect, above-mentioned MEC equipment is according to the signal of present communications interface
The characteristic information of quality and V2X business, it is determined whether continue to can wrap using the method for present communications interface transmission V2X business
Include: when the signal quality of present communications interface is less than signal quality threshold, MEC equipment determines switching present communications interface；When
When the signal quality of present communications interface is more than or equal to signal quality threshold, MEC equipment is believed according to the feature of V2X business
Breath, it is determined whether continue to transmit the V2X business using present communications interface.
In second of optional implementation of first aspect, above-mentioned present communications interface is Uu interface, the V2X business
Characteristic information include the corresponding regional scope of V2X business, the service identification of V2X business and V2X business target latency；On
MEC equipment is stated according to the characteristic information of V2X business, it is determined whether continue the method using present communications interface transmission V2X business
May include:
Step 1: when other OBU in the corresponding regional scope of V2X business in addition to the first OBU do not allow to connect using Uu
When the port transmission V2X business, determines and present communications interface is switched to PC5 interface by Uu interface；Otherwise, step 2 is executed；
Step 2: when the corresponding base station other OBU does not allow to handle the V2X business that the service identification is identified, determining will
Present communications interface is switched to PC5 interface by Uu interface；Otherwise, step 3 is executed；
Step 3: in the case where transmitting the V2X business using Uu interface, the time delay of the V2X business is less than or equal to should
When the target latency of V2X business, determines and continue to transmit the V2X business using the Uu interface；Otherwise, it determines by present communications interface
PC5 interface is switched to by Uu interface.
In the third optional implementation of first aspect, which is PC5 interface, the V2X business
Characteristic information include the corresponding regional scope of V2X business, the service identification of V2X business and V2X business target latency；On
MEC equipment is stated according to the characteristic information of V2X business, it is determined whether continue the method using present communications interface transmission V2X business
May include:
Step 1: when other OBU in the corresponding regional scope of V2X business in addition to the first OBU do not allow to connect using PC5
When the port transmission V2X business, determines and present communications interface is switched to Uu interface by PC5 interface；Otherwise, step 2 is executed；
Step 2: when the corresponding base station other OBU does not allow to handle the V2X business that the service identification is identified, determining will
Present communications interface is switched to Uu interface by PC5 interface；Otherwise, step 3 is executed；
Step 3: in the case where transmitting the V2X business using PC5 interface, the time delay of the V2X business is less than or equal to should
When the target latency of V2X business, determines and continue to transmit the V2X business using PC5 interface；Otherwise, notify that transmission should by the first OBU
V2X service fail.
Second aspect provides a kind of method of determining V2X service transmission path, this method comprises: base station receives V2X business
It requests, the characteristic information of V2X business is carried in the V2X service request；And base station is according to the characteristic information of the V2X business, really
Determine whether base station allows to handle V2X business；And when base station does not allow to handle the V2X business, forward the V2X service request extremely
MEC equipment, wherein the characteristic information of V2X business includes at least one of following: the mesh of the service identification of V2X business, V2X business
Mark time delay, the corresponding regional scope of V2X business.
In the first optional implementation of second aspect, the characteristic information of above-mentioned V2X business includes: V2X business
Service identification, V2X business target latency and the corresponding regional scope of V2X business, then any one following condition not at
Immediately, determining base station not allows to handle the V2X business:
The corresponding regional scope of V2X business is located at except the coverage area of base station；
Base station does not allow to handle the V2X business that the service identification is identified；
When base station handles the V2X business, the time delay of the V2X business is greater than the target latency of the V2X business.
The third aspect provides a kind of mobile edge calculations MEC equipment, including receiving module and determining module.Wherein, it receives
Module for receiving V2X service request, and receives the signal quality of present communications interface.Wherein, in the V2X service request
The characteristic information of V2X business is carried, the characteristic information of the V2X business includes at least one of following: the service identification of V2X business,
The target latency of V2X business, the corresponding regional scope of V2X business；Present communications interface is that the first OBU carries out the transmission of V2X business
Used communication interface, the communication interface include PC5 interface or Uu interface；Determining module, for according to present communications interface
Signal quality and the V2X business characteristic information, it is determined whether continue using the current communications interface transmission V2X business.
In the first optional implementation of the third aspect, above-mentioned determining module, specifically for being connect when present communications
When the signal quality of mouth is less than signal quality threshold, switching present communications interface is determined；When the signal quality of present communications interface
When more than or equal to signal quality threshold, according to the characteristic information of V2X business, it is determined whether continue using present communications interface
Transmit the V2X business.
In second of optional implementation of the third aspect, above-mentioned present communications interface is Uu interface, above-mentioned V2X industry
When the characteristic information of business includes the target of the corresponding regional scope of V2X business, the service identification of V2X business and V2X business
Prolong；Above-mentioned determining module, is specifically used for:
Step 1: other OBU in the corresponding regional scope of V2X business in addition to the first OBU do not allow using Uu interface
When transmitting the V2X business, determines and present communications interface is switched to PC5 interface by Uu interface；Otherwise, step 2 is executed；
Step 2: when the corresponding base station other OBU does not allow processing business to identify identified V2X business, determination will work as
Preceding communication interface is switched to PC5 interface by Uu interface；Otherwise, step 3 is executed；
Step 3: in the case where using Uu interface transmission V2X business, the time delay of the V2X business is less than or equal to the V2X
When the target latency of business, determines and continue to transmit V2X business using Uu interface；Otherwise, it determines present communications interface is connect by Uu
Mouth is switched to PC5 interface.
In the third optional implementation of the third aspect, above-mentioned present communications interface is PC5 interface, above-mentioned V2X
When the characteristic information of business includes the target of the corresponding regional scope of V2X business, the service identification of V2X business and V2X business
Prolong；Above-mentioned determining module, is specifically used for:
Step 1: other OBU in the corresponding regional scope of V2X business in addition to the first OBU do not allow using PC5 interface
When transmitting the V2X business, determines and present communications interface is switched to Uu interface by PC5 interface；Otherwise, step 2 is executed；
Step 2: when the corresponding base station other OBU does not allow processing business to identify identified V2X business, determination will work as
Preceding communication interface is switched to Uu interface by PC5 interface；Otherwise, step 3 is executed；
Step 3: in the case where using PC5 interface transmission V2X business, which prolongs the target greater than the V2X business
When be delayed, notify the first OBU to transmit V2X service fail, otherwise, it determines continuing to transmit the V2X business using PC5 interface
Fourth aspect provides a kind of base station, including receiving module, determining module and sending module.Wherein, receiving module,
For receiving V2X service request, the characteristic information of V2X business, the characteristic information of the V2X business are carried in the V2X service request
Including at least one of following: the service identification of V2X business, the target latency of V2X business, the corresponding regional scope of V2X business；Really
Cover half block determines whether base station allows to handle the V2X business for the characteristic information according to V2X business；Sending module is used for
When base station does not allow to handle V2X business, forwarding V2X service request to MEC equipment.
In the first optional implementation of fourth aspect, the characteristic information of above-mentioned V2X business includes: V2X business
Service identification, V2X business target latency and the corresponding regional scope of V2X business；Above-mentioned determining module, specifically for working as
When following any one condition is invalid, determining base station not allows to handle the V2X business:
The corresponding regional scope of V2X business is located at except the coverage area of base station；
Base station does not allow to handle the V2X business that the service identification is identified；
When base station handles the V2X business, the time delay of the V2X business is greater than the target latency of the V2X business.
5th aspect, provides a kind of MEC equipment, which includes processor, transceiver and memory.Wherein, it stores
Device is for storing computer executed instructions, and when server operation, the computer that processor executes memory storage is held
Row instruction, so that the method that the MEC equipment executes determination V2X service transmission path described in first aspect.
6th aspect, a kind of computer readable storage medium is provided, be stored in computer readable storage medium one or
Multiple programs, one or more programs include computer executed instructions, are referred to when the processor of MEC equipment executes computer execution
When enabling, method which executes determination V2X service transmission path described in above-mentioned first aspect.
7th aspect, provides a kind of computer program product including computer instruction, when the computer program product exists
When the upper operation of MEC equipment, so that determination V2X service transmission path described in the above-mentioned first aspect of execution of the MEC equipment
Method.
Eighth aspect provides a kind of base station, which includes processor, transceiver and memory.Wherein, memory is used for
Computer executed instructions are stored, when server operation, processor executes the computer executed instructions of memory storage,
So that the method that the base station executes determination V2X service transmission path described in second aspect.
9th aspect, a kind of computer readable storage medium is provided, be stored in computer readable storage medium one or
Multiple programs, one or more programs include computer executed instructions, when the processor of base station executes the computer executed instructions
When, method which executes determination V2X service transmission path described in above-mentioned second aspect.
Tenth aspect, provides a kind of computer program product including computer instruction, when the computer program product exists
When the upper operation of base station, so that the method for determination V2X service transmission path described in the above-mentioned second aspect of execution of the base station.
The method and device of determining V2X service transmission path provided by the present application, MEC equipment are receiving V2X service request
Later, the characteristic information of V2X business is carried in the V2X service request, then the MEC equipment can be received current logical according to its
Believe the signal quality of interface and the characteristic information of V2X business, it is determined whether continue to transmit V2X business using present communications interface.
Wherein, the characteristic information of the V2X business includes at least one of following: the service identification of V2X business, V2X business target latency,
The corresponding regional scope of V2X business.Due to MEC equipment can be requested according to V2X in the characteristic information of V2X business that carries, really
Surely suitable communications interface transmission V2X business is used, in this way, can guarantee the smooth transmission of V2X business to a certain extent.
Detailed description of the invention
Fig. 1 is a kind of car networking communication system architecture schematic diagram provided in an embodiment of the present invention；
Fig. 2 is a kind of hardware structural diagram of server provided in an embodiment of the present invention；
Fig. 3 is a kind of hardware schematic of base station provided in an embodiment of the present invention；
Fig. 4 is the method schematic diagram one of determining V2X service transmission path provided in an embodiment of the present invention；
Fig. 5 is the method schematic diagram two of determining V2X service transmission path provided in an embodiment of the present invention；
Fig. 6 is the method schematic diagram three of determining V2X service transmission path provided in an embodiment of the present invention；
Fig. 7 is the method schematic diagram four of determining V2X service transmission path provided in an embodiment of the present invention；
Fig. 8 is the method schematic diagram five of determining V2X service transmission path provided in an embodiment of the present invention；
Fig. 9 is a kind of structural schematic diagram one of MEC equipment provided in an embodiment of the present invention；
Figure 10 is a kind of structural schematic diagram two of MEC equipment provided in an embodiment of the present invention；
Figure 11 is a kind of structural schematic diagram one of base station provided in an embodiment of the present invention；
Figure 12 is a kind of structural schematic diagram two of base station provided in an embodiment of the present invention.
Specific embodiment
In embodiments of the present invention, " illustrative " or " such as " etc. words for indicate make example, illustration or explanation.This
Be described as in inventive embodiments " illustrative " or " such as " any embodiment or design scheme be not necessarily to be construed as comparing
Other embodiments or design scheme more preferably or more advantage.Specifically, use " illustrative " or " such as " etc. words purport
Related notion is being presented in specific ways.
In the description of the embodiment of the present invention, unless otherwise indicated, the meaning of " plurality " is refer to two or more.Example
Such as, multiple processing units refer to two or more processing units；Multiple systems refer to two or more systems.
In addition, the term " includes " being previously mentioned in description of the invention and " having " and their any deformation, it is intended that
It is to cover and non-exclusive includes.Such as the process, method, system, product or equipment for containing a series of steps or units do not have
It is defined in listed step or unit, but optionally further comprising the step of other are not listed or unit, or optionally
It further include the other step or units intrinsic for these process, methods, product or equipment.
Based on background technique there are the problem of, the embodiment of the present invention provides a kind of method of determining V2X service transmission path,
In the treatment process of V2X business, MEC equipment can be believed according to the signal quality of present communications interface and the feature of V2X business
Breath, it is determined whether continue to transmit V2X business using present communications interface, suitable transmission path can be selected, guarantee V2X business
Smoothly transmission.
The method of determining V2X service transmission path provided in an embodiment of the present invention, can be applied to car networking communication system
In, Fig. 1 be car networking communication system configuration diagram, car networking communication system as shown in Figure 1 include base station 10, at least one
OBU (illustrates by taking 3 OBU as an example, be denoted as OBU1, OBU2 and OBU3 respectively) in Fig. 1, and (RSU 12 is served RSU 12 simultaneously
OBU1, OBU2 and OBU3) and MEC equipment 13.Wherein, base station 10 can be communicated with MEC equipment 13, OBU (including OBU1,
OBU2 and OBU3) it can be communicated by RSU 12 with base station 10 with 10 direct communication of base station or OBU.
MEC equipment is a kind of mobile edge calculations node, suitable for handling V2X more demanding to time delay, big data quantity
Business, such as remotely drive, remotely monitor, in highway scene, V2X business need low time delay, therefore V2X is handled by MEC
Business can satisfy business demand；Base station is of less demanding suitable for some pairs of time delays of processing, the small V2X business of data volume.
Interaction between each equipment in car networking communication system is specifically introduced below in conjunction with the transmission path of V2X business
Details.
It should be noted that it is corresponding that each OBU can correspond to RSU or multiple OBU in the embodiment of the present invention
One RSU, an OBU can be located in the coverage area of a base station, can also be located in the coverage area of multiple base stations, i.e.,
The OBU can be located at the overlapping covered of multiple base stations, determine with specific reference to actual conditions, and the embodiment of the present invention does not limit
It is fixed.
MEC equipment provided in an embodiment of the present invention can be hardware device, software equipment that can also be virtual, which sets
Standby can be to be integrated in a computer or server etc., and the embodiment of the present invention is situated between so that MEC integration of equipments is in server as an example
The hardware configuration for the determining MEC equipment that continues specifically introduces each constituting portion of server provided in an embodiment of the present invention in conjunction with Fig. 2
Part, as shown in Fig. 2, the server may include: processor 20, memory 21 and communication interface 22 etc..
Processor 20: being the core component of server, for the application in the operating system and server of runtime server
Program (including system application and third party application).
In the embodiment of the present invention, processor 20 be specifically as follows central processing unit (central processing unit,
CPU), general processor, digital signal processor (digital signal processor, DSP), specific integrated circuit
(application-specific integrated circuit, ASIC), field programmable gate array (field
Programmable gate array, FPGA) or other programmable logic device, transistor logic, hardware component or
Person's any combination thereof may be implemented or execute and illustratively patrols in conjunction with various described in content disclosed by the embodiments of the present invention
Collect box, module and circuit；Processor is also possible to realize the combination of computing function, such as includes one or more microprocessors
Combination, DSP and the combination of microprocessor etc..
Memory 21: can be used for storing software program and module, and processor 20 is stored in memory 21 by operation
Software program and module, thereby executing the various function application and data processing of server.For example, the storage of server
The software package etc. of MEC equipment is stored in device 21, memory 21 may include one or more computer readable storage mediums.Storage
Device 21 includes storing program area and storage data area, wherein storing program area can be needed for storage program area, at least one function
Application program etc., storage data area can storage server creation data etc..
In the embodiment of the present invention, memory 21 be can specifically include volatile memory (volatile memory), such as
Random access memory (random-access memory, RAM)；The memory also may include nonvolatile memory
(non-volatile memory), such as read-only memory (read-only memory, ROM), flash memory (flash
Memory), hard disk (hard disk drive, HDD) or solid state hard disk (solid-state drive, SSD)；The memory is also
It may include the combination of the memory of mentioned kind.
Communication interface 22: the interface circuit communicated for server with other equipment, communication interface can be transmitting-receiving
Device, transmission circuit etc. have the structure of transmission-receiving function, and communication interface includes serial communication interface and parallel communication interface.For example,
MEC equipment can receive V2X service request from base station by communication interface 22.
The conventionally used base station in base station provided in an embodiment of the present invention, evolved base station (evolved node base
Station, eNB), it is next-generation base station (next generation node base station, gNB) in 5G system, novel
Radio base station (new radio eNB), macro base station, micro-base station, high frequency base station send and receive point (transmission
And reception point, TRP)) etc. equipment.Illustratively, the embodiment of the present invention is introduced by taking conventionally used base station as an example
Each component parts of base station.As shown in figure 3, base station provided in an embodiment of the present invention may include: 30 parts and 31 parts.
30 parts are mainly used for the transmitting-receiving of radiofrequency signal and the conversion of radiofrequency signal and baseband signal；31 parts are mainly used at base band
Reason, the base station such as controls.30 parts may be generally referred to as Transmit-Receive Unit, transceiver, transmission circuit or transceiver etc..
31 parts are usually the control centre of base station, may be generally referred to as processing unit.
The Transmit-Receive Unit of 30 parts is referred to as transceiver or transceiver etc. comprising antenna and radio frequency unit, or
Person only include radio frequency unit or in which part wherein radio frequency unit be mainly used for carry out radio frequency processing.It optionally, can be by 30
It is considered as receiving unit in part for realizing the device of receive capabilities, it is single by transmission is considered as realizing the device of sending function
Member, i.e. 30 parts include receiving unit and transmission unit.Receiving unit is referred to as receiver, receiver or receives circuit
Deng transmission unit is properly termed as transmitter, transmitter or transmit circuit etc..
31 parts may include one or more veneers or chip, and each veneer or chip may include one or more places
Manage device and one or more memories, processor be used to read and execute the program in memory with realize Base-Band Processing function with
And the control to base station.Multiple veneers if it exists can be interconnected to increase processing capacity between each veneer.As a kind of optional
Embodiment, be also possible to multiple veneers and share one or more processors or multiple veneers to share one or more
Memory.Wherein, memory and processor, which can be, integrates, and is also possible to be independently arranged.In some embodiments
In, 30 parts and 31 parts, which can be, to be integrated, and is also possible to be independently arranged.In addition, whole function in 31 parts
It can integrate and be realized in a chip, realization another part function collection in a chip can also be integrated in partial function
It is realized in other on one or more chips, the embodiment of the present invention is to this without limiting.
Car networking communication system described in conjunction with Figure 1, as shown in figure 4, determining V2X business provided in an embodiment of the present invention
The method of transmission path may include S101-S103:
S101, MEC equipment receive V2X service request, and the characteristic information of V2X business is carried in the V2X service request.
Wherein, the characteristic information of the V2X business includes at least one of following: the service identification of V2X business, V2X business
Target latency, the corresponding regional scope of V2X business.
In the embodiment of the present invention, above-mentioned V2X service request is the V2X service request of the first OBU, which is
Base station is sent to by the first OBU, then MEC equipment is transmitted to by base station.Illustratively, which is traffic lights business, then
The first OBU installed on vehicle can issue V2X service request, which can be the service request of unicast, can also
Think the service request of broadcast.
The service identification of above-mentioned V2X business is the mark for indicating the type of V2X business, illustratively, the type of V2X business
It may include highway business, traffic lights business, distance monitoring business etc.；The target latency of V2X business refers to V2X industry
In treatment process of being engaged in, the maximum value of user's acceptable time delay；Illustratively, the corresponding regional scope of V2X business can be
One garden, the regions such as intersection.
The signal quality of S102, MEC equipment reception present communications interface.
Wherein, which is that the first OBU carries out communication interface used by V2X business is transmitted, which connects
Mouth includes PC5 interface or Uu interface.
It is stressed again that above-mentioned Uu interface between base station and equipment communication interface (such as base station and OBU, base station with
RSU), PC5 interface between equipment and equipment communication interface (such as OBU and RSU, the RSU be terminal type equipment (RSU
It can be the equipment of terminal type, or the equipment of base station type).In the embodiment of the present invention, using RSU as terminal type
The equipment introduction method that determines V2X service transmission path.
In the embodiment of the present invention, base station can be with broadcast singal measurement parameter, which may include measurement pair
As parameters such as, measurement period, measurement thresholdings, which is used to indicate OBU measuring signal quality, and (signal quality can be with
Intensity instruction RSSI including Reference Signal Received Power RSRP, Reference Signal Received Quality RSRQ or reference signal etc.).The
After one OBU receives signal measurement parameter, can measuring the signal quality of present communications interface, (including the first OBU is using PC5
Signal quality or the first OBU when interface communication use signal quality when Uu interface communication), it then will be on signal quality
Base station is offered, and then MEC equipment is forwarded to by base station.
It should be noted that in the corresponding regional scope of above-mentioned V2X business, the first OBU may in the embodiment of the present invention
In the coverage area of multiple base stations, in this case, the signal quality of above-mentioned first OBU measurement includes multiple signal matter
Amount can all measure a signal quality when i.e. the first OBU receives the signal quality measured parameter of each base station transmission, because
This, the signal quality that the first OBU is reported includes multiple signal qualities.In following embodiment, the present communications that the first OBU is reported are connect
The signal quality of mouth refers to all signal qualities that the first OBU is reported.
S103, MEC equipment are according to the signal quality of present communications interface and the characteristic information of V2X business, it is determined whether after
It is continuous that V2X business is transmitted using present communications interface.
Optionally, in conjunction with Fig. 4, as shown in figure 5, above-mentioned S103 can be realized by S104-S106:
S104, MEC equipment determine whether the signal quality of present communications interface is less than signal quality threshold.
In a kind of implementation, when the signal quality of present communications interface is less than signal quality threshold, execute following
S105:
S105, MEC equipment determine switching present communications interface.
In the embodiment of the present invention, the signal quality of present communications interface is less than signal quality threshold, illustrates that present communications connect
The signal quality of mouth is poor, is unable to satisfy the requirement for transmitting the V2X business, and therefore, MEC equipment determines that being switched to other communications connects
Mouthful, to transmit V2X business.
In another way, when the signal quality of present communications interface is more than or equal to signal quality threshold, execute
Following S106:
S106, MEC equipment are according to the characteristic information of V2X business, it is determined whether continue to transmit V2X using present communications interface
Business.
In the embodiment of the present invention, when the signal quality of present communications interface is more than or equal to signal quality threshold, explanation
The signal quality of present communications interface is relatively good, can satisfy the requirement for transmitting the V2X business, therefore, MEC equipment is further according to it
His condition, it is determined whether continue to transmit V2X business using present communications interface.
Optionally, in the embodiment of the present invention, the characteristic information with V2X business includes the service identification of V2X business, V2X industry
The method for determining V2X service transmission path is introduced for the target latency and the corresponding regional scope of V2X business of business.
As shown in fig. 6, above-mentioned present communications interface is Uu interface, above-mentioned S106 can be realized by S1061a-S1061e:
S1061a, MEC equipment determine whether other OBU in the corresponding regional scope of V2X business in addition to the first OBU permit
Perhaps V2X business is transmitted using Uu interface.
Other OBU in the corresponding regional scope of above-mentioned V2X business in addition to the first OBU do not allow to transmit using Uu interface
When V2X business, determines and present communications interface is switched to PC5 interface (i.e. execution S1061e) by Uu interface；Otherwise, it executes
S1061b。
In the embodiment of the present invention, other OBU in the corresponding regional scope of V2X business in addition to the first OBU do not allow to adopt
V2X business is transmitted with Uu interface, then base station, which cannot be used, is sent to other OBU by Uu interface for V2X business, then by other
OBU is sent to the transmission path of the first OBU, and present communications interface need to be switched to PC5 interface by Uu interface by the determination of MEC equipment,
V2X business is directly gone to using other OBU the transmission path of the first OBU.
S1061b, MEC equipment determine whether the corresponding base station other OBU allows to handle the V2X that the service identification is identified
Business.
When the corresponding base station above-mentioned other OBU does not allow to handle the V2X business that the service identification is identified, determination will be current
Communication interface is switched to PC5 interface (i.e. execution S1061e) by Uu interface；Otherwise, S1061c is executed.
In the case that S1061c, MEC equipment are determined using Uu interface transmission V2X business, whether the time delay of the V2X business is small
In or equal to the V2X business target latency.
In the case where the above-mentioned transmission V2X business using Uu interface, the time delay of the V2X business is less than the target of the V2X business
When be delayed, execute S1062d；Otherwise, it determines present communications interface is switched to PC5 interface (i.e. execution S1061e) by Uu interface.
In the embodiment of the present invention, in the case where transmitting V2X business using Uu interface, the time delay of the V2X business is greater than the V2X
The target latency of business illustrates the delay requirement for not being able to satisfy user using Uu interface transmission V2X business, it is thus determined that by current
Interface is switched to PC5 interface by Uu interface.
S1061d, MEC equipment, which determine, to be continued to transmit the V2X business using Uu interface.
In present example, MEC equipment, which determines, to be continued to transmit the V2X business using Uu interface, then using by V2X business from
Base station is sent directly to the transmission path of the first OBU.
S1061e, MEC equipment, which are determined, is switched to PC5 interface by Uu interface for present communications interface.
In the embodiment of the present invention, MEC equipment, which is determined, by present communications interface is switched to PC5 interface by Uu interface, then can be with
V2X business directly goes to the transmission path of the first OBU using other OBU, or V2X business is forwarded to the using through RSU
The transmission path of one OBU.
The process description that present communications interface is switched to PC5 interface by Uu interface to sum up is determined whether for MEC equipment, is adopted
When can not transmit V2X business with current Uu interface, MEC equipment, which is determined, transmits V2X business using PC5 interface, to guarantee V2X industry
The smooth transmission of business.
As shown in fig. 7, above-mentioned present communications interface is PC5 interface, MEC equipment, which need to determine, to be continued to pass using the PC5 interface
Defeated V2X business, or by the above-mentioned S106 of PC5 may include S1062a-S1062f:
S1062a, MEC equipment determine whether other OBU in the corresponding regional scope of V2X business in addition to the first OBU permit
Perhaps V2X business is transmitted using PC5 interface.
In the embodiment of the present invention, other OBU in the corresponding regional scope of V2X business in addition to the first OBU do not allow to adopt
When transmitting V2X business with PC5 interface, determines and present communications interface is switched to Uu interface (i.e. execution S1062f) by PC5 interface；
Otherwise, S1062b is executed.
S1062b, MEC equipment determine whether the corresponding base station other OBU allows to handle the V2X that the service identification is identified
Business.
In the embodiment of the present invention, the corresponding base station above-mentioned other OBU does not allow processing business to identify identified V2X business
When, it determines and present communications interface is switched to Uu interface (i.e. execution S1062f) by PC5 interface；Otherwise, S1062c is executed.
The realization process of above-mentioned S1062a and S1062b is similar with S1061a and S1061b, for S1062a's and S1062b
Associated description may refer to the specific descriptions in above-described embodiment for S1061a and S1061b, and details are not described herein again.
In the case that S1062c, MEC equipment are determined using PC5 interface transmission V2X business, whether the time delay of the V2X business
Greater than the target latency of the V2X business.
In the embodiment of the present invention, in the case where transmitting V2X business using PC5 interface, which prolongs greater than the V2X industry
When the target latency of business, S1062d is executed.Otherwise, S1062e is executed.
S1062d, MEC equipment notify the first OBU to transmit V2X service fail.
In present example, usually less than Uu interface is used to transmit V2X industry using the time delay of PC5 interface transmission V2X business
The time delay of business, therefore, in the case where transmitting V2X business using PC5 interface, when which prolongs the target greater than the V2X business
Prolong, present communications interface is no longer switched to Uu interface by PC5 interface by MEC equipment, but the first OBU is notified to transmit V2X business
Failure.
S1062e, MEC equipment, which determine, to be continued to transmit V2X business using PC5 interface.
S1062f, MEC equipment, which are determined, is switched to Uu interface by PC5 interface for present communications interface.
The process description that present communications interface is switched to Uu interface by PC5 interface to sum up is determined whether for MEC equipment, is adopted
When can not transmit V2X business with current PC5 interface, MEC equipment, which is determined, transmits V2X business using Uu interface, to guarantee V2X industry
The smooth transmission of business.Alternatively, MEC equipment notifies the first OBU to transmit the V2X service fail.
As shown in figure 8, the method for determining V2X service transmission path provided in an embodiment of the present invention includes S201-S203:
S201, base station receive V2X service request, and the characteristic information of V2X business is carried in the V2X service request.
Wherein, the characteristic information of the V2X business includes at least one of following: the service identification of V2X business, V2X business
Target latency, the corresponding regional scope of V2X business.
In the embodiment of the present invention, when the first OBU has V2X business demand, V2X service request can be initiated to base station, and will
The characteristic information of the V2X business carries in V2X service request, so that base station determines base station according to the characteristic information of V2X business
The V2X business can be handled.
It may refer to the associated description of above-mentioned S101 for the characteristic information of V2X business, details are not described herein again.
S202, base station determine whether base station allows to handle the V2X business according to the characteristic information of V2X business.
Illustratively, the characteristic information of the V2X business carried in the V2X service request that base station receives includes V2X business
Service identification, V2X business target latency and the corresponding regional scope of V2X business, base station is according to following three conditions, really
Determine whether base station allows to handle the V2X business:
Whether the corresponding regional scope of condition 1:V2X business is located at except the coverage area of base station.
Condition 2: whether base station allows processing business to identify identified V2X business.
Condition 3: when base station handles V2X business, whether the time delay of the V2X business is greater than the target latency of the V2X business.
In the embodiment of the present invention, when the corresponding regional scope of V2X business is located within the coverage area of base station, and base station
Allow processing business to identify identified V2X business and when base station handles V2X business, the time delay of the V2X business be less than or
When person is equal to the target latency of the V2X business, base station, which determines, to be allowed to handle V2X business.
S203, base station do not allow handle V2X business when, base station forwards the V2X service request to MEC equipment.
In the embodiment of the present invention, when following any one condition is invalid, determining base station not allows to handle V2X business:
The corresponding regional scope of condition a:V2X business is located at except the coverage area of base station；
Condition b: base station does not allow to handle the V2X business that the service identification is identified；
Condition c: when base station handles the V2X business, the time delay of the V2X business is greater than the target latency of the V2X business.
In the embodiment of the present invention, when base station does not allow to handle V2X business, base station forwards the V2X service request to set to MEC
It is standby, so that MEC equipment can execute S101-S103 and other steps in above-described embodiment, determine the transmission road of V2X business
Diameter；When base station allows to handle V2X business, the transmission path of V2X business is determined by base station.
It should be noted that base station determines that the method for V2X service transmission path and MEC equipment are true in the embodiment of the present invention
The method for determining V2X service transmission path is similar, determines that the description of V2X service transmission path may refer to above-mentioned implementation for base station
MEC equipment determines the associated description of V2X service transmission path in example, and details are not described herein again.
The embodiment of the present invention provides a kind of MEC equipment, as shown in figure 9, the MEC equipment includes receiving module 40 and determining mould
Block 41, wherein receiving module 40 can support MEC equipment to execute the S101 in above-described embodiment and S102.Determining module 41 can
With support MEC equipment execute S103, S104, S105, S106 in above-described embodiment (including S1061a-S1061e or including
S1062a-S1062f).Wherein, all related contents for each step that above method embodiment is related to can quote correspondence
The function of functional module describes, and details are not described herein.
A kind of MEC equipment of the embodiment of the present invention, as shown in Figure 10, the MEC equipment may include: processing module 50 and communication
Module 51.Processing module 50 can be used for the movement to MEC equipment and carry out control management, for example, processing module 50 can be used for
Support MEC equipment execute above method embodiment in S103, S104, S105 and S106 (including S1061a-S1061e or
Including S1062a-S1062f), and/or for other processes of techniques described herein.Communication module 51 can be used for supporting
The communication of illegal terminal identification device and other network entities, such as communication module 51 can be used for supporting that MEC equipment executes
State the S101 and S102 in embodiment of the method.Optionally, as shown in Figure 10, which can also include memory module 52, use
In the program code and data of storage MEC equipment.
Wherein, processing module 50, which can be processor or controller, (such as can be above-mentioned processor as shown in Figure 1
20).Communication module 51, which can be transceiver, transmission circuit or communication interface etc., (such as can be above-mentioned communication as shown in Figure 2
Interface 22).Memory module 52 can be memory (such as can be above-mentioned memory 21 as shown in Figure 2).
When processing module 50 is processor, communication module 51 is transceiver, when memory module 52 is memory, processor,
Transceiver can be connected with memory by bus.Bus can be Peripheral Component Interconnect standard (peripheral
Component interconnect, PCI) bus or expanding the industrial standard structure (extended Industry standard
Architecture, EISA) bus etc..Bus can be divided into address bus, data/address bus, control bus etc..
The embodiment of the present invention provides a kind of base station, and as shown in figure 11, base station may include receiving module 60, determining module 61
With sending module 62.The S201 that receiving module 60 can be used for that base station is supported to execute in above method embodiment；Determining module 61
The S202 that can be used for that base station is supported to execute in above method embodiment；Sending module 62 can be used for supporting that base station executes above-mentioned
S203 in embodiment of the method.Wherein, all related contents for each step that above method embodiment is related to can be quoted
The function of corresponding function module describes, and details are not described herein.
A kind of base station of the embodiment of the present invention, as shown in figure 12, the base station may include: processing module 70 and communication module
71.Processing module 70 can be used for the movement to base station and carry out control management, such as processing module 70 can be used for supporting base station
Execute the S202 in examples detailed above, and/or other processes for techniques described herein.Communication module 71 can be used for propping up
The communication of base station Yu other network entities is held, such as communication module can be used for that base station is supported to execute in above method embodiment
S201 and S203.Optionally, which can also include memory module 72, for storing the program code and data of base station.
Wherein, processing module 70 can be processor or controller and (such as can be in above-mentioned 31 parts as shown in Figure 3
Processor), such as can be CPU, general processor, DSP, ASIC, FPGA or other programmable logic device, transistor
Logical device, hardware component or any combination thereof.It, which may be implemented or executes, combines disclosure of the embodiment of the present invention to be retouched
Various illustrative logic blocks, module and the circuit stated.Above-mentioned processor is also possible to realize the combination of computing function, such as
It is combined comprising one or more microprocessors, DSP and the combination of microprocessor etc..Communication module 71 can be transceiver, receive
Power Generation Road or communication interface etc. (such as can be radio frequency unit) in above-mentioned 30 part as shown in Figure 3.Memory module 72 can be with
It is memory.
When processing module 70 is processor, communication module 71 is transceiver, when memory module 72 is memory, processor,
Transceiver can be connected with memory by bus.Bus can be pci bus or eisa bus etc..Bus can be divided into address
Bus, data/address bus, control bus etc..
The method and device for the determination V2X service transmission path that present example provides, MEC equipment are receiving V2X business
After request, the characteristic information of V2X business is carried in the V2X service request, then the MEC equipment received can be worked as according to its
The signal quality of preceding communication interface and the characteristic information of V2X business, it is determined whether continue to transmit V2X industry using present communications interface
Business.Wherein, the characteristic information of the V2X business includes at least one of following: the service identification of V2X business, V2X business target when
Prolong, the corresponding regional scope of V2X business.Due to MEC equipment can be requested according to V2X in the characteristic information of V2X business that carries,
It determines and uses suitable communications interface transmission V2X business, in this way, can guarantee the smooth transmission of V2X business to a certain extent.
In the above-described embodiments, can come wholly or partly by software, hardware, firmware or any combination thereof real
It is existing.When being realized using software program, can entirely or partly realize in the form of a computer program product.The computer journey
Sequence product includes one or more computer instructions.It is all or part of when loading and execute on computers the computer instruction
Ground is generated according to the process or function in the embodiment of the present invention.The computer can be general purpose computer, special purpose computer, calculating
Machine network or other programmable devices.The computer instruction may be stored in a computer readable storage medium, or from one
A computer readable storage medium is transmitted to another computer readable storage medium, for example, the computer instruction can be from one
A web-site, computer, server or data center pass through wired (such as coaxial cable, optical fiber, Digital Subscriber Line
(digital subscriber line, DSL)) mode or wireless (such as infrared, wireless, microwave etc.) mode be to another net
Website, computer, server or data center's transmission.The computer readable storage medium can be what computer can access
Any usable medium either includes the data storage devices such as one or more usable mediums integrated server, data center.
The usable medium can be magnetic medium (for example, floppy disk, disk, tape), optical medium (for example, digital video disk
(digital video disc, DVD)) or semiconductor medium (such as solid state hard disk (solid state drives,
SSD)) etc..
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (12)
1. a kind of method of determining V2X service transmission path characterized by comprising
Mobile edge calculations MEC equipment receives V2X service request, and the feature letter of V2X business is carried in the V2X service request
Breath, the characteristic information of the V2X business include at least one of following: the service identification of the V2X business, the V2X business
Target latency, the corresponding regional scope of the V2X business；
The MEC equipment receives the signal quality of present communications interface, the present communications interface be the first on board unit OBU into
Communication interface used by row V2X business is transmitted, the communication interface includes PC5 interface or Uu interface；
The MEC equipment is according to the signal quality of the present communications interface and the characteristic information of the V2X business, it is determined whether
Continue to transmit the V2X business using the present communications interface.
2. the method for determining V2X service transmission path according to claim 1, which is characterized in that the MEC equipment according to
The characteristic information of the signal quality of the present communications interface and the V2X business, it is determined whether continue using described current logical
Believe that interface transmits the V2X business, comprising:
When the signal quality of the present communications interface is less than signal quality threshold, the MEC equipment determines to be worked as described in switching
Preceding communication interface；
When the signal quality of the present communications interface is more than or equal to signal quality threshold, the MEC equipment is according to institute
State the characteristic information of V2X business, it is determined whether continue to transmit the V2X business using the present communications interface.
3. the method for determining V2X service transmission path according to claim 2, which is characterized in that the present communications connect
Mouth is Uu interface, and the characteristic information of the V2X business includes the corresponding regional scope of the V2X business, the industry of the V2X business
The target latency of business mark and the V2X business；
The MEC equipment is according to the characteristic information of the V2X business, it is determined whether continues to transmit using the present communications interface
The V2X business, comprising:
Step 1: other OBU in the corresponding regional scope of the V2X business in addition to the first OBU do not allow using institute
When stating the Uu interface transmission V2X business, determines and the Uu interface is switched to PC5 interface；Otherwise, step 2 is executed；
Step 2: it when the corresponding base station described other OBU does not allow to handle the V2X business that the service identification is identified, determines
The present communications interface is switched to PC5 interface by the Uu interface；Otherwise, step 3 is executed；
Step 3: in the case where transmitting the V2X business using the Uu interface, the time delay of the V2X business is less than or waits
When the target latency of the V2X business, determines and continue to transmit the V2X business using the Uu interface；Otherwise, it determines by institute
It states present communications interface and PC5 interface is switched to by the Uu interface.
4. the method for determining V2X service transmission path according to claim 2, which is characterized in that the present communications connect
Mouth is PC5 interface, and the characteristic information of the V2X business includes the corresponding regional scope of the V2X business, the V2X business
The target latency of service identification and the V2X business；
The MEC equipment is according to the characteristic information of the V2X business, it is determined whether continues to transmit using the present communications interface
The V2X business, comprising:
Step 1: other OBU in the corresponding regional scope of the V2X business in addition to the first OBU do not allow using institute
When stating the PC5 interface transmission V2X business, determines and the present communications interface is switched to Uu interface by the PC5 interface；It is no
Then, step 2 is executed；
Step 2: it when the corresponding base station described other OBU does not allow to handle the V2X business that the service identification is identified, determines
The present communications interface is switched to Uu interface by the PC5 interface；Otherwise, step 3 is executed；
Step 3: in the case where transmitting the V2X business using the PC5 interface, the V2X business is prolonged greater than the V2X industry
When the target latency of business, the first OBU is notified to transmit the V2X service fail, otherwise, it determines continuing to connect using the PC5
V2X business described in port transmission.
5. a kind of method of determining V2X service transmission path, which is characterized in that
Base station receives V2X service request, and the characteristic information of V2X business is carried in the V2X service request, the V2X business
Characteristic information includes at least one of following: the service identification of the V2X business, the target latency of the V2X business, the V2X
The corresponding regional scope of business；
The base station determines whether the base station allows to handle the V2X business according to the characteristic information of the V2X business；
When the base station does not allow to handle the V2X business, the base station forwards the V2X service request to mobile edge meter
Calculate MEC equipment.
6. the method for determining V2X service transmission path according to claim 5, which is characterized in that the spy of the V2X business
Reference breath includes: the service identification of the V2X business, the target latency of the V2X business and the corresponding area of the V2X business
Domain range；
When following any one condition is invalid, determining the base station not allows to handle the V2X business:
The corresponding regional scope of the V2X business is located at except the coverage area of the base station；
The base station does not allow to handle the V2X business that the service identification is identified；
When the base station handles the V2X business, the time delay of the V2X business is greater than the target latency of the V2X business.
7. a kind of mobile edge calculations MEC equipment, which is characterized in that including receiving module and determining module；
The receiving module for receiving V2X service request, and receives the signal quality of present communications interface.Wherein, described
The characteristic information of V2X business is carried in V2X service request, the characteristic information of the V2X business includes at least one of following: described
The service identification of V2X business, the target latency of the V2X business, the corresponding regional scope of the V2X business；It is described current logical
Believe that interface is that the first on board unit OBU carries out communication interface used by V2X business is transmitted, the communication interface includes that PC5 connects
Mouth or Uu interface；
The determining module, for according to the signal quality of the present communications interface and the characteristic information of the V2X business, really
It is fixed whether to continue to transmit the V2X business using the present communications interface.
8. MEC equipment according to claim 7, which is characterized in that
The determining module, specifically for determining when the signal quality of the present communications interface is less than signal quality threshold
Switch the present communications interface；When the signal quality of the present communications interface is more than or equal to signal quality threshold,
According to the characteristic information of the V2X business, it is determined whether continue to transmit the V2X business using the present communications interface.
9. MEC equipment according to claim 8, which is characterized in that the present communications interface is Uu interface, the V2X
The characteristic information of business includes the service identification and the V2X of the corresponding regional scope of the V2X business, the V2X business
The target latency of business；
The determining module, is specifically used for:
Step 1: other OBU in the corresponding regional scope of the V2X business in addition to the first OBU do not allow using institute
When stating the Uu interface transmission V2X business, determines and the present communications interface is switched to PC5 interface by the Uu interface；It is no
Then, step 2 is executed；
Step 2: it when the corresponding base station described other OBU does not allow to handle the V2X business that the service identification is identified, determines
The present communications interface is switched to PC5 interface by the Uu interface；Otherwise, step 3 is executed；
Step 3: in the case where transmitting the V2X business using the Uu interface, the time delay of the V2X business is less than or waits
When the target latency of the V2X business, determines and continue to transmit the V2X business using the Uu interface；Otherwise, it determines by institute
It states present communications interface and PC5 interface is switched to by the Uu interface.
10. MEC equipment according to claim 8, which is characterized in that the present communications interface is PC5 interface, described
The characteristic information of V2X business includes the corresponding regional scope of the V2X business, the service identification of the V2X business and described
The target latency of V2X business；
The determining module, is specifically used for:
Step 1: other OBU in the corresponding regional scope of the V2X business in addition to the first OBU do not allow using institute
When stating the PC5 interface transmission V2X business, determines and the present communications interface is switched to Uu interface by the PC5 interface；It is no
Then, step 2 is executed；
Step 2: it when the corresponding base station described other OBU does not allow to handle the V2X business that the service identification is identified, determines
The present communications interface is switched to Uu interface by the PC5 interface；Otherwise, step 3 is executed；
Step 3: in the case where transmitting the V2X business using the PC5 interface, the V2X business is prolonged less than or equal to institute
When stating the target latency of V2X business, determines and continue to transmit the V2X business using the PC5 interface；Otherwise, described is notified
One OBU transmits the V2X service fail.
11. a kind of base station, which is characterized in that including receiving module, determining module and sending module；
The receiving module, for receiving V2X service request, the characteristic information of carrying V2X business in the V2X service request,
The characteristic information of the V2X business includes at least one of following: the target of the service identification of the V2X business, the V2X business
Time delay, the corresponding regional scope of the V2X business；
The determining module determines whether the base station allows described in processing for the characteristic information according to the V2X business
V2X business；
The sending module, for forwarding the V2X service request extremely when the base station does not allow to handle the V2X business
Mobile edge calculations MEC equipment.
12. base station according to claim 11, which is characterized in that the characteristic information of the V2X business includes: the V2X
The service identification of business, the target latency of the V2X business and the corresponding regional scope of the V2X business；
The determining module is specifically used for when any one following condition are invalid, and determining the base station not allows to handle institute
State V2X business:
The corresponding regional scope of the V2X business is located at except the coverage area of the base station；
The base station does not allow to handle the V2X business that the service identification is identified；
When the base station handles the V2X business, the time delay of the V2X business is greater than the target latency of the V2X business.
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