CN105246025A - Method of controlling V2X service transmission and device - Google Patents
Method of controlling V2X service transmission and device Download PDFInfo
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- CN105246025A CN105246025A CN201510567447.1A CN201510567447A CN105246025A CN 105246025 A CN105246025 A CN 105246025A CN 201510567447 A CN201510567447 A CN 201510567447A CN 105246025 A CN105246025 A CN 105246025A
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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]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
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Abstract
The embodiment of the invention discloses a method of controlling V2X service transmission. The method comprises steps: transmission index parameters for transmitting a V2X service by a terminal are acquired; transmission protocols are selected according to the transmission index parameters, wherein the transmission protocols comprise a transmission protocol based on D2D discovery technology and a transmission protocol based on D2D communication technology; according to the transmission index parameters and the transmission protocols, a resource scheduling model is determined or a resource scheduling model allocated by a base station is received so as to enable the terminal to complete V2X service transmission according to the transmission protocols and the resource scheduling model, wherein the resource scheduling model comprises a base station scheduling model and a resource pool model. The embodiment of the invention also discloses a device for controlling V2X service transmission. By adopting the method and the device of the invention, a transmission mode for different V2X services can be reasonably allocated, and transmission needs of different V2X services can be met.
Description
Technical field
The present invention relates to communication technical field, particularly relate to method and the device of the transmission of a kind of control V2X business.
Background technology
The information exchange of car and extraneous (VehicletoX is called for short V2X) is the key technology of following intelligent transport system.It makes car and car, car with base station, can communicate between car with mobile device.Thus obtain a series of transport information such as real-time road, road information, pedestrian information, thus improve drive safety, minimizing is blocked up, and improves traffic efficiency etc.It can comprise the information exchange of vehicle and vehicle (VehicletoVehicle), vehicle and infrastructure (VehicletoInfrastructure, be called for short V2I) information exchange and the information exchange of vehicle and mobile device (Vehicletonomadicdevices, abbreviation V2N).
Many V2X application will improve fail safe, vehicle pass-through and energy consumption.V2X is also conducive to realizing following cruise auxiliary highway and automatic Pilot.Such as, vehicle-state warning application, can by timely overseas broadcasts of information such as the faults of vehicle interior/out of control, and the vehicles such as such as ambulance can by the overseas broadcast of the message such as type, traffic route with quickly through; And traffic accident warning application, can work as vehicle have an accident after in time overseas broadcast, and notify neighbouring vehicle when finding the dangerous situation of road; Automatically/unmanned application, then by the communication between car and car, can obtain the multidate information of front vehicles and road, to strengthen the control performance of current automatic cruising.These application can reduce traffic accident in a large number, the relevant cost of reduction accident simultaneously.In the prior art, usual employing Dedicated Short Range Communications, technology (DedicatedShortRangeCommunications, be called for short DSRC) transmit V2X business, but its transmission objective cannot meet V2X business to the demand of transmission objective as information transmission frequency, broadcast cycle, communication distance etc., and different V2X business is adopted transmit in a like fashion, be also unfavorable for the reasonable disposition that business information is transmitted.
Summary of the invention
Embodiment of the present invention technical problem to be solved is, provides a kind of method and the device that transmit V2X business.Cannot meet to solve different V2X business transmission demand, the irrational problem of business information transmission configuration.
In order to solve the problems of the technologies described above, embodiment of the present invention first aspect provides the method for a kind of control V2X business transmission, comprising:
Obtain the transmission objective parameter of terminal transmission V2X business;
According to described transmission objective Selecting parameter host-host protocol, described host-host protocol comprises based on the host-host protocol of D2D discovery technique and the host-host protocol based on the D2D communication technology;
According to described transmission objective parameter and described host-host protocol determination scheduling of resource pattern or the scheduling of resource pattern receiving base station configuration, so that described terminal is according to described host-host protocol and the transmission of described scheduling of resource Pattern completion V2X business;
Wherein, described scheduling of resource pattern comprises base station scheduling pattern and Resource Pool Pattern.
Wherein, after according to described transmission objective parameter and described host-host protocol determination scheduling of resource type, also comprise:
If the V2X service message of transmission is D2D find message, then determine V2X transmission mode according to the object type of described host-host protocol, scheduling of resource pattern and V2X business transmission, wherein, the object type of described V2X business transmission comprises appointed object and without appointed object;
Described V2X transmission mode is sent to described terminal, so that described terminal completes the transmission of V2X business according to the information of carrying in described V2X transmission mode.
Wherein, the transmission objective parameter of described acquisition terminal transmission V2X business, comprising:
If save up-to-date transmission objective parameter in the parameter preset list of described terminal, then direct from the described up-to-date transmission objective parameter of described terminal acquisition;
If do not preserve up-to-date transmission objective parameter in the parameter preset list of described terminal, then undertaken after information interaction gets up-to-date transmission objective parameter by described terminal and V2X application server, then obtain described up-to-date transmission objective parameter from described terminal.
Wherein, after the transmission objective parameter obtaining terminal transmission V2X business, also comprise:
According to described transmission objective parameter, authentication and authorization is carried out to described terminal;
If there is no the service authorization information of described terminal, then send to obtain to home signature user server and strategy ask with charging rule functions unit, obtain the service authorization information of described terminal.
Wherein, according to described transmission objective Selecting parameter host-host protocol, comprising:
Described transmission objective parameter is compared with predetermined threshold value;
Be described terminal selection host-host protocol according to the result compared and the host-host protocol of selection is notified described terminal, or being that described terminal is selected host-host protocol and the host-host protocol of selection notified V2X application server is so that described V2X application server notifies described terminal according to the result compared.
Wherein, before according to the scheduling of resource pattern of described transmission objective parameter and described host-host protocol determination scheduling of resource pattern or the configuration of reception base station, also comprise:
Obtain the resource pool of described base station and the configuration information of two spike-type cultivars scheduling method.
Wherein, described transmission objective parameter comprises following at least one:
Propagation delay time, transmission bandwidth, transmitted data amount and transmission reliability.
Wherein, when according to described transmission objective Selecting parameter host-host protocol, if transmitted data amount reaches preset data amount threshold value, then select the host-host protocol based on the D2D communication technology, if transmitted data amount does not reach described predetermined number threshold value, then select the host-host protocol based on D2D discovery technique.
Wherein, when according to described transmission objective parameter and described host-host protocol determination scheduling of resource pattern, if propagation delay time reaches default delay threshold, then determine that scheduling of resource pattern is Resource Pool Pattern, if propagation delay time does not reach default delay threshold, then determine that scheduling of resource pattern is base station scheduling pattern.
Wherein, if when terminal quantity reaches predetermined number threshold value, then determine that scheduling of resource pattern is Resource Pool Pattern.
Embodiment of the present invention second aspect provides the device of a kind of control V2X business transmission, comprising:
Acquiring unit, for obtaining the transmission objective parameter of terminal transmission V2X business;
Selected cell, for according to described transmission objective Selecting parameter host-host protocol, described host-host protocol comprises based on the host-host protocol of D2D discovery technique and the host-host protocol based on the D2D communication technology;
Determining unit, for the scheduling of resource pattern according to described transmission objective parameter and described host-host protocol determination scheduling of resource pattern or the configuration of reception base station, so that described terminal is according to described host-host protocol and the transmission of described scheduling of resource Pattern completion V2X business;
Wherein, described scheduling of resource pattern comprises base station scheduling pattern and Resource Pool Pattern.
Wherein, described determining unit also for:
If the V2X service message of transmission is D2D find message, then determine V2X transmission mode according to the object type of described host-host protocol, scheduling of resource pattern and V2X business transmission, wherein, the object type of described V2X business transmission comprises appointed object and without appointed object;
Described V2X transmission mode is sent to described terminal, so that described terminal completes the transmission of V2X business according to the information of carrying in described V2X transmission mode.
Wherein, described acquiring unit specifically for:
If save up-to-date transmission objective parameter in the parameter preset list of described terminal, then direct from the described up-to-date transmission objective parameter of described terminal acquisition;
If do not preserve up-to-date transmission objective parameter in the parameter preset list of described terminal, then undertaken after information interaction gets up-to-date transmission objective parameter by described terminal and V2X application server, then obtain described up-to-date transmission objective parameter from described terminal.
Wherein, described device also comprises:
Certificate Authority unit, for carrying out authentication and authorization according to described transmission objective parameter to described terminal;
If there is no the service authorization information of described terminal, then send to obtain to home signature user server and strategy ask with charging rule functions unit, obtain the service authorization information of described terminal.
Wherein, described selected cell specifically for:
Described transmission objective parameter is compared with predetermined threshold value;
Be described terminal selection host-host protocol according to the result compared and the host-host protocol of selection is notified described terminal, or being that described terminal is selected host-host protocol and the host-host protocol of selection notified V2X application server is so that described V2X application server notifies described terminal according to the result compared.
Wherein, described determining unit also for:
Before according to the scheduling of resource pattern of described transmission objective parameter and described host-host protocol determination scheduling of resource pattern or the configuration of reception base station, obtain the resource pool of described base station and the configuration information of two spike-type cultivars scheduling method.
Wherein, described transmission objective parameter comprises following at least one:
Propagation delay time, transmission bandwidth, transmitted data amount and transmission reliability.
Wherein, described selected cell specifically for:
When according to described transmission objective Selecting parameter host-host protocol, if transmitted data amount reaches preset data amount threshold value, then select the host-host protocol based on the D2D communication technology, if transmitted data amount does not reach described predetermined number threshold value, then select the host-host protocol based on D2D discovery technique.
Wherein, described determining unit specifically for:
When according to described transmission objective parameter and described host-host protocol determination scheduling of resource pattern, if propagation delay time reaches default delay threshold, then determine that scheduling of resource pattern is Resource Pool Pattern, if propagation delay time does not reach default delay threshold, then determine that scheduling of resource pattern is base station scheduling pattern.
Wherein, described determining unit also for:
If when terminal quantity reaches predetermined number threshold value, then determine that scheduling of resource pattern is Resource Pool Pattern.
Implement the embodiment of the present invention, there is following beneficial effect:
By obtaining the transmission objective parameter of terminal transmission V2X business to select host-host protocol, and host-host protocol is all based on D2D technology, fully can meet different V2X business to the demand of transmission objective; Then according to transmission objective parameter and host-host protocol determination scheduling of resource pattern, can promote further and the specific aim of different V2X business transmission demand is met; In conjunction with suitable host-host protocol and scheduling of resource pattern, the control and management to different V2X business transmission can be realized, under the prerequisite fully meeting different V2X business transmission demand, the configuration that business information is transmitted is more reasonable, be beneficial to and fully use system resource, more stablize more at a high speed more scientific V2X business transmission for user provides, thus improve traffic safety degree.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of the first embodiment of the method for the present invention's control V2X business transmission;
Fig. 2 is the schematic flow sheet of the second embodiment of the method for the present invention's control V2X business transmission;
Fig. 3 is the schematic flow sheet of the 3rd embodiment of the method for the present invention's control V2X business transmission;
Fig. 4 is the composition schematic diagram of the first embodiment of the device of the present invention's control V2X business transmission;
Fig. 5 is the composition schematic diagram of the second embodiment of the device of the present invention's control V2X business transmission.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Described in the embodiment of the present invention based on equipment and equipment (Device-to-Device, be called for short D2D) host-host protocol of discovery technique, under this agreement, the application layer messages of V2X can be found the payload of message as D2D, sent in a broadcast manner to discovery passage (PhysicallayerSidelinkDiscoveryChannel is called for short PSDCH) by physical layer side; And based on the host-host protocol of the D2D communication technology, under this agreement can using the application layer messages of V2X as D2D communication data in physical layer side to control channel (PhysicallayerSidelinkControlChannel, be called for short PSCCH) and physical layer side transmit to shared channel (PhysicallayerSidelinkSharedChannel, be called for short PSSCH).
Namely base station scheduling pattern described in the embodiment of the present invention carries out scheduling of resource by base station according to the terminal that its resource that can dispatch is initiatively its covering; And Resource Pool Pattern, then form resource pool by part resource, different terminals uses the resource in resource pool by resource request, in use, resource pool manager is that the resource used encloses the mark taken, after using, this resource reclaim is also removed the mark taken to resource pool.
Under the scene of V2X business transmission, in the embodiment of the present invention, namely the entity of the special business transmission of the control V2X of network side can close on service function entity (ProximityBasedServicesFunction based on D2D functional entity, be called for short ProSeFunction) realize, can be used as the entity of car networking control after it is strengthened.This mode is mainly suitable for carrying out the transmission of V2X business by D2D technology.The relevant control of V2X independently can be disposed with D2D functional entity, also can integratedly arrange, but from the angle that agreement simplifies and reuses, can reuse the PC3 interface between terminal and ProSeFunction.Certainly, functional entity or the device of the transmission of control V2X business also can independently be arranged, and the embodiment of the present invention is not limited in any way.Roadside unit (RoadSideUnit is called for short RSU) can be realized by static terminal, also can be realized by small-sized base station.The transmission of V2X business is comprised V2V and V2I and can adopt and namely transmitted by PC5 interface based on D2D agreement.Terminal described in the present invention can be the mobile terminal supporting that the user of D2D agreement is hand-held, also can be the car-mounted terminal be integrated in vehicle.
Please refer to Fig. 1, be the schematic flow sheet of the first embodiment of the method for the present invention's control V2X business transmission, in the present embodiment, said method comprising the steps of:
S101, obtains the transmission objective parameter of terminal transmission V2X business.
Wherein, described transmission objective parameter comprises following at least one:
Propagation delay time, transmission bandwidth, transmitted data amount and transmission reliability.
For different V2X business, the transmission objective parameter of its correspondence may identical also possibility difference.Such as, the transmission reliability of vehicle-state alarm and traffic accident alarm is 99%, and the non-100ms of the propagation delay time of vehicle-state alarm, and the propagation delay time of traffic accident alarm is shorter, is 20ms.
Alternatively, the transmission objective parameter of described acquisition terminal, comprising:
If save up-to-date transmission objective parameter in the parameter preset list of described terminal, then direct from the described up-to-date transmission objective parameter of described terminal acquisition;
If do not preserve up-to-date transmission objective parameter in the parameter preset list of described terminal, then undertaken after information interaction gets up-to-date transmission objective parameter by described terminal and V2X application server, then obtain described up-to-date transmission objective parameter from described terminal.The Signalling exchange herein related to completes by PC1 interface.
Wherein, parameter preset list can real-time update, and the information upgraded can carry out sequence preservation according to time order and function order.Transmission objective parameter herein can be generated by terminal, and also can generate and send to terminal by V2X application server, the embodiment of the present invention is not limited in any way.
S102, according to described transmission objective Selecting parameter host-host protocol.
Wherein, described host-host protocol comprises based on the host-host protocol of D2D discovery technique and the host-host protocol based on the D2D communication technology.
Alternatively, according to described transmission objective Selecting parameter host-host protocol, comprising:
Described transmission objective parameter is compared with predetermined threshold value;
Be described terminal selection host-host protocol according to the result compared and the host-host protocol of selection is notified described terminal, specifically notify by PC3 interface, or be described terminal selection host-host protocol according to the result compared and by the host-host protocol of selection notice V2X application server so that described V2X application server notifies described terminal, specifically communicate with V2X application server by PC1 interface.
It should be noted that, predetermined threshold value herein can be arranged when equipment dispatches from the factory by device fabrication manufacturer or provide some setting options to select for user, also can by User Defined, and the embodiment of the present invention is not limited in any way.
And described transmission objective parameter comprises following at least one:
Propagation delay time, transmission bandwidth, transmitted data amount and transmission reliability.
Such as, when according to described transmission objective Selecting parameter host-host protocol, if transmitted data amount reaches preset data amount threshold value, then select the host-host protocol based on the D2D communication technology, if transmitted data amount does not reach described predetermined number threshold value, then select the host-host protocol based on D2D discovery technique.
This is because under the host-host protocol based on the D2D communication technology, the application layer messages of V2X can be transmitted as D2D communication data at PSCCH and PSSCH, bandwidth is larger, and time delay is longer, and power consumption is higher, and transmission speed is faster, is applicable to the transmission of large data; And transmitted data amount less time, then can transmit based on the host-host protocol of D2D discovery technique, now, the application layer messages of V2X can be found the payload of message as D2D, sent in a broadcast manner by PSDCH, bandwidth is little, time delay is short, low in energy consumption, is applicable to the transmission of small-sized data.
S103, according to described transmission objective parameter and described host-host protocol determination scheduling of resource pattern or the scheduling of resource pattern receiving base station configuration, so that described terminal is according to described host-host protocol and the transmission of described scheduling of resource Pattern completion V2X business.
Wherein, described scheduling of resource pattern comprises base station scheduling pattern and Resource Pool Pattern.
Alternatively, the device that herein can be transmitted by control V2X business determines scheduling of resource pattern according to the transmission objective parameter determined and host-host protocol, also can determine scheduling method by base station and inform this device.
And when according to described transmission objective parameter and described host-host protocol determination scheduling of resource pattern, if propagation delay time reaches default delay threshold, then determine that scheduling of resource pattern is Resource Pool Pattern, if propagation delay time does not reach default delay threshold, then determine that scheduling of resource pattern is base station scheduling pattern.
This is because the short business of time delay generally needs fast transport, and its information importance is higher, and base station scheduling pattern therefore can be adopted to realize the rapid configuration of resource, completing fast of business transmission; And for the longer business of time delay, then can adopt Resource Pool Pattern, make user carry out business transmission again by terminal request resource.
Alternatively, if when terminal quantity reaches predetermined number threshold value, then determine that scheduling of resource pattern is Resource Pool Pattern.
When terminal quantity is a lot of time, adopt Resource Pool Pattern can alleviate expense to base station scheduling signaling under base station scheduling pattern; And consider that the traffic load of the device that control V2X business is transmitted rises along with terminal quantity, agent equipment can also be introduced to realize sharing of load in network, improve the supported terminal quantity of system.
And after scheduling of resource pattern determines, the device that can be transmitted by control V2X business is by PC3 interface notification terminal, existing radio resource control (RadioResourceControl can also be used by Uu mouth by base station, be called for short RRC) message informing terminal, the embodiment of the present invention is not limited in any way.
By obtaining the transmission objective parameter of terminal transmission V2X business to select host-host protocol, and host-host protocol is all based on D2D technology, fully can meet different V2X business to the demand of transmission objective; Then according to transmission objective parameter and host-host protocol determination scheduling of resource pattern, can promote further and the specific aim of different V2X business transmission demand is met; In conjunction with suitable host-host protocol and scheduling of resource pattern, the control and management to different V2X business transmission can be realized, under the prerequisite fully meeting different V2X business transmission demand, the configuration that business information is transmitted is more reasonable, be beneficial to and fully use system resource, more stablize more at a high speed more scientific V2X business transmission for user provides, thus improve traffic safety degree.
Please refer to Fig. 2, be the schematic flow sheet of the second embodiment of the method for the present invention's control V2X business transmission, in the present embodiment, said method comprising the steps of:
S201, obtains the transmission objective parameter of terminal transmission V2X business.
Wherein, described transmission objective parameter comprises following at least one:
Propagation delay time, transmission bandwidth, transmitted data amount and transmission reliability.
S202, according to described transmission objective Selecting parameter host-host protocol.
Wherein, described host-host protocol comprises based on the host-host protocol of D2D discovery technique and the host-host protocol based on the D2D communication technology.And for number of channels or the consideration taking the factors such as situation, host-host protocol herein based on the D2D communication technology can also comprise a kind of more special situation when embody rule, namely the channel by D2D communication transmits D2D discovery message, hereinafter referred to as " D2D by D2D communication finds ".
S203, according to described transmission objective parameter and described host-host protocol determination scheduling of resource pattern or the scheduling of resource pattern receiving base station configuration.
S204, if the V2X service message of transmission is D2D find message, then determines V2X transmission mode according to the object type of described host-host protocol, scheduling of resource pattern and V2X business transmission.
Wherein, the object type of described V2X business transmission comprises appointed object and without appointed object.
Particularly, namely appointed object illustrates that the object of the V2X business transmission that terminal will be carried out possesses clear and definite target, such as, terminal A wants transmission video to vehicle B, then can specify the object that message sends, object herein can be single also can be a class object, and the photo of ordering to arrest criminal as sent, to the police car possessing police car mark, can be considered appointed object equally; And be generally broadcast without appointed object, and as the warning of broadcast road hazard, the unsafe condition of all road vehicles in alert signal coverage.
Wherein, if the V2X service message of transmission is D2D find message, comprise two kinds of situations herein, a kind of is host-host protocol based on D2D discovery technique, the channel found by D2D is transmitted D2D and finds message, and another kind is the host-host protocol based on the D2D communication technology, and the channel communicated by D2D is transmitted D2D and finds message, in both cases, by can promote the efficiency of V2X business transmission further to the restriction of object type.And under D2D communication pattern, it is meaningless whether object type specifies, therefore its object type is inapplicable (NotApplicable is called for short N/A).Can determine V2X transmission mode according to above-mentioned three kinds of information, three kinds of information wherein can independent assortment, and 10 kinds in following list are combined as 10 kinds of more common transmission modes.
S205, sends to described terminal by described V2X transmission mode, so that described terminal completes the transmission of V2X business according to the information of carrying in described V2X transmission mode.
The information of wherein carrying just comprises scheduling of resource pattern, object type and the host-host protocol described in table.
In embodiments of the present invention, introduce the object type of V2X business transmission, by the differentiation of object type, can segment business further, also be convenient to, when service control is transmitted, control more accurately.
Please refer to Fig. 3, be the schematic flow sheet of the 3rd embodiment of the method for the present invention's control V2X business transmission, in the present embodiment, said method comprising the steps of:
S301, obtains the transmission objective parameter of terminal transmission V2X business.
Wherein, described transmission objective parameter comprises following at least one:
Propagation delay time, transmission bandwidth, transmitted data amount and transmission reliability.
S302, carries out authentication and authorization according to described transmission objective parameter to described terminal.
Wherein, certification can guarantee the transmit leg of transmission objective parameter, guarantee necessity and the fail safe of follow-up flow performing, and mandate is considered based on the angle of resource availability, the demand of each terminal can be met when abundant resource, and when resource is nervous or not enough, stop authorizing, to guarantee the regular traffic transmission of authorization terminal.
Alternatively, when certification, the Signalling exchange related to is by PC2 interface or the transmission of PC3 connection interface, and when certification, if the device of control V2X business transmission does not have the service authorization information of described terminal, then can by interfaces such as PC4 to home signature user server (HomeSubscriberServer, be called for short HSS) and tactful and charging rule functions unit (PolicyandChargingRulesFunction, be called for short PCRF) send the request of acquisition, obtain the service authorization information of described terminal.
S303, according to described transmission objective Selecting parameter host-host protocol.
Wherein, described host-host protocol comprises based on the host-host protocol of D2D discovery technique and the host-host protocol based on the D2D communication technology.
S304, obtains the resource pool of described base station and the configuration information of two spike-type cultivars scheduling method.
S305, according to described transmission objective parameter and described host-host protocol determination scheduling of resource pattern or the scheduling of resource pattern receiving base station configuration, so that described terminal is according to described host-host protocol and the transmission of described scheduling of resource Pattern completion V2X business.
After the configuration information of the resource pool getting described base station and two spike-type cultivars scheduling method, then combine the scheduling of resource pattern determined, just according to host-host protocol and scheduling of resource pattern, the transmission of V2X business can be completed.
Please refer to Fig. 4, is the composition schematic diagram of the first embodiment of the device of the present invention's control V2X business transmission; In the present embodiment, described terminal comprises:
Acquiring unit 100, for obtaining the transmission objective parameter of terminal transmission V2X business;
Selected cell 200, for according to described transmission objective Selecting parameter host-host protocol, described host-host protocol comprises based on the host-host protocol of D2D discovery technique and the host-host protocol based on the D2D communication technology;
Determining unit 300, for the scheduling of resource pattern according to described transmission objective parameter and described host-host protocol determination scheduling of resource pattern or the configuration of reception base station, so that described terminal is according to described host-host protocol and the transmission of described scheduling of resource Pattern completion V2X business;
Wherein, described scheduling of resource pattern comprises base station scheduling pattern and Resource Pool Pattern.
Alternatively, described determining unit 300 also for:
If the V2X service message of transmission is D2D find message, then determine V2X transmission mode according to the object type of described host-host protocol, scheduling of resource pattern and V2X business transmission, wherein, the object type of described V2X business transmission comprises appointed object and without appointed object;
Described V2X transmission mode is sent to described terminal, so that described terminal completes the transmission of V2X business according to the information of carrying in described V2X transmission mode.
Alternatively, described acquiring unit 200 specifically for:
If save up-to-date transmission objective parameter in the parameter preset list of described terminal, then direct from the described up-to-date transmission objective parameter of described terminal acquisition;
If do not preserve up-to-date transmission objective parameter in the parameter preset list of described terminal, then undertaken after information interaction gets up-to-date transmission objective parameter by described terminal and V2X application server, then obtain described up-to-date transmission objective parameter from described terminal.
Alternatively, described selected cell 200 specifically for:
Described transmission objective parameter is compared with predetermined threshold value;
Be described terminal selection host-host protocol according to the result compared and the host-host protocol of selection is notified described terminal, or being that described terminal is selected host-host protocol and the host-host protocol of selection notified V2X application server is so that described V2X application server notifies described terminal according to the result compared.
Alternatively, described determining unit 300 also for:
Before according to the scheduling of resource pattern of described transmission objective parameter and described host-host protocol determination scheduling of resource pattern or the configuration of reception base station, obtain the resource pool of described base station and the configuration information of two spike-type cultivars scheduling method.
Alternatively, described transmission objective parameter comprises following at least one:
Propagation delay time, transmission bandwidth, transmitted data amount and transmission reliability.
Described selected cell 200 specifically for:
When according to described transmission objective Selecting parameter host-host protocol, if transmitted data amount reaches preset data amount threshold value, then select the host-host protocol based on the D2D communication technology, if transmitted data amount does not reach described predetermined number threshold value, then select the host-host protocol based on D2D discovery technique.
Described determining unit 300 specifically for:
When according to described transmission objective parameter and described host-host protocol determination scheduling of resource pattern, if propagation delay time reaches default delay threshold, then determine that scheduling of resource pattern is Resource Pool Pattern, if propagation delay time does not reach default delay threshold, then determine that scheduling of resource pattern is base station scheduling pattern.
Described determining unit 300 also for:
If when terminal quantity reaches predetermined number threshold value, then determine that scheduling of resource pattern is Resource Pool Pattern.
Please refer to Fig. 5, be the composition schematic diagram of the second embodiment of the device of the present invention's control V2X business transmission, in the present embodiment, compared with embodiment illustrated in fig. 4, the device described in the embodiment of the present invention also comprises:
Certificate Authority unit 400, for carrying out authentication and authorization according to described transmission objective parameter to described terminal;
If there is no the service authorization information of described terminal, then send to obtain to home signature user server and strategy ask with charging rule functions unit, obtain the service authorization information of described terminal.
Above acquiring unit 100, selected cell 200, determining unit 300 and Certificate Authority unit 400 can independently exist, also can integratedly arrange, acquiring unit 100, selected cell 200, determining unit 300 or Certificate Authority unit 400 can be arranged separately independent of the processor of device in the form of hardware, and arrange the form that form can be microprocessor; Also can be embedded in the processor of this device in the form of hardware, can also be stored in the memory of this device in a software form, so that the processor of this device calls the operation performing above acquiring unit 100, selected cell 200, determining unit 300 and Certificate Authority unit 400 correspondence.
Such as, in second embodiment (embodiment shown in Fig. 5) of the device of the present invention's control V2X business transmission, determining unit 300 can be the processor of this device, and the function of acquiring unit 100, selected cell 200 and Certificate Authority unit 400 can be embedded in this processor, also can arrange separately independent of processor, also can be stored in memory in the form of software, be called by processor and realize its function.The embodiment of the present invention does not do any restriction.Above processor can be CPU (CPU), microprocessor, single-chip microcomputer etc.
It should be noted that, each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiment, between each embodiment identical similar part mutually see.For device embodiment, due to itself and embodiment of the method basic simlarity, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.
By the description of above-described embodiment, the present invention has the following advantages:
By obtaining the transmission objective parameter of terminal transmission V2X business to select host-host protocol, and host-host protocol is all based on D2D technology, fully can meet different V2X business to the demand of transmission objective; Then according to transmission objective parameter and host-host protocol determination scheduling of resource pattern, can promote further and the specific aim of different V2X business transmission demand is met; In conjunction with suitable host-host protocol and scheduling of resource pattern, the control and management to different V2X business transmission can be realized, under the prerequisite fully meeting different V2X business transmission demand, the configuration that business information is transmitted is more reasonable, be beneficial to and fully use system resource, more stablize more at a high speed more scientific V2X business transmission for user provides, thus improve traffic safety degree.
One of ordinary skill in the art will appreciate that all or part of flow process realized in above-described embodiment method, that the hardware that can carry out instruction relevant by computer program has come, described program can be stored in a computer read/write memory medium, this program, when performing, can comprise the flow process of the embodiment as above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-OnlyMemory is called for short ROM) or random store-memory body (RandomAccessMemory is called for short RAM) etc.
Above disclosedly be only present pre-ferred embodiments, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (20)
1. a method for control V2X business transmission, is characterized in that, comprising:
Obtain the transmission objective parameter of terminal transmission V2X business;
According to described transmission objective Selecting parameter host-host protocol, described host-host protocol comprises based on the host-host protocol of D2D discovery technique and the host-host protocol based on the D2D communication technology;
According to described transmission objective parameter and described host-host protocol determination scheduling of resource pattern or the scheduling of resource pattern receiving base station configuration, so that described terminal is according to described host-host protocol and the transmission of described scheduling of resource Pattern completion V2X business;
Wherein, described scheduling of resource pattern comprises base station scheduling pattern and Resource Pool Pattern.
2. as claimed in claim 1 method, it is characterized in that, according to described transmission objective parameter and described host-host protocol determination scheduling of resource pattern or receive base station configuration scheduling of resource pattern after, also comprise:
If the V2X service message of transmission is D2D find message, then determine V2X transmission mode according to the object type of described host-host protocol, scheduling of resource pattern and V2X business transmission, wherein, the object type of described V2X business transmission comprises appointed object and without appointed object;
Described V2X transmission mode is sent to described terminal, so that described terminal completes the transmission of V2X business according to the information of carrying in described V2X transmission mode.
3. the method for claim 1, is characterized in that, the transmission objective parameter of described acquisition terminal transmission V2X business, comprising:
If save up-to-date transmission objective parameter in the parameter preset list of described terminal, then direct from the described up-to-date transmission objective parameter of described terminal acquisition;
If do not preserve up-to-date transmission objective parameter in the parameter preset list of described terminal, then undertaken after information interaction gets up-to-date transmission objective parameter by described terminal and V2X application server, then obtain described up-to-date transmission objective parameter from described terminal.
4. method as claimed in claim 3, is characterized in that, after the transmission objective parameter obtaining terminal transmission V2X business, also comprises:
According to described transmission objective parameter, authentication and authorization is carried out to described terminal;
If there is no the service authorization information of described terminal, then send to obtain to home signature user server and strategy ask with charging rule functions unit, obtain the service authorization information of described terminal.
5. the method for claim 1, is characterized in that, according to described transmission objective Selecting parameter host-host protocol, comprising:
Described transmission objective parameter is compared with predetermined threshold value;
Be described terminal selection host-host protocol according to the result compared and the host-host protocol of selection is notified described terminal, or being that described terminal is selected host-host protocol and the host-host protocol of selection notified V2X application server is so that described V2X application server notifies described terminal according to the result compared.
6. the method for claim 1, is characterized in that, before according to the scheduling of resource pattern of described transmission objective parameter and described host-host protocol determination scheduling of resource pattern or the configuration of reception base station, also comprises:
Obtain the resource pool of described base station and the configuration information of two spike-type cultivars scheduling method.
7. the method as described in any one of claim 1-6, is characterized in that, described transmission objective parameter comprises following at least one:
Propagation delay time, transmission bandwidth, transmitted data amount and transmission reliability.
8. method as claimed in claim 7, it is characterized in that, when according to described transmission objective Selecting parameter host-host protocol, if transmitted data amount reaches preset data amount threshold value, then select the host-host protocol based on the D2D communication technology, if transmitted data amount does not reach described predetermined number threshold value, then select the host-host protocol based on D2D discovery technique.
9. method as claimed in claim 7, it is characterized in that, when according to described transmission objective parameter and described host-host protocol determination scheduling of resource pattern, if propagation delay time reaches default delay threshold, then determine that scheduling of resource pattern is Resource Pool Pattern, if propagation delay time does not reach default delay threshold, then determine that scheduling of resource pattern is base station scheduling pattern.
10. method as claimed in claim 9, is characterized in that, if when terminal quantity reaches predetermined number threshold value, then determine that scheduling of resource pattern is Resource Pool Pattern.
The device of 11. 1 kinds of control V2X business transmission, is characterized in that, comprising:
Acquiring unit, for obtaining the transmission objective parameter of terminal transmission V2X business;
Selected cell, for according to described transmission objective Selecting parameter host-host protocol, described host-host protocol comprises based on the host-host protocol of D2D discovery technique and the host-host protocol based on the D2D communication technology;
Determining unit, for the scheduling of resource pattern according to described transmission objective parameter and described host-host protocol determination scheduling of resource pattern or the configuration of reception base station, so that described terminal is according to described host-host protocol and the transmission of described scheduling of resource Pattern completion V2X business;
Wherein, described scheduling of resource pattern comprises base station scheduling pattern and Resource Pool Pattern.
12. devices as claimed in claim 11, is characterized in that, described determining unit also for:
If the V2X service message of transmission is D2D find message, then determine V2X transmission mode according to the object type of described host-host protocol, scheduling of resource pattern and V2X business transmission, wherein, the object type of described V2X business transmission comprises appointed object and without appointed object;
Described V2X transmission mode is sent to described terminal, so that described terminal completes the transmission of V2X business according to the information of carrying in described V2X transmission mode.
13. devices as claimed in claim 11, is characterized in that, described acquiring unit specifically for:
If save up-to-date transmission objective parameter in the parameter preset list of described terminal, then direct from the described up-to-date transmission objective parameter of described terminal acquisition;
If do not preserve up-to-date transmission objective parameter in the parameter preset list of described terminal, then undertaken after information interaction gets up-to-date transmission objective parameter by described terminal and V2X application server, then obtain described up-to-date transmission objective parameter from described terminal.
14. devices as claimed in claim 13, it is characterized in that, described device also comprises:
Certificate Authority unit, for carrying out authentication and authorization according to described transmission objective parameter to described terminal;
If there is no the service authorization information of described terminal, then send to obtain to home signature user server and strategy ask with charging rule functions unit, obtain the service authorization information of described terminal.
15. devices as claimed in claim 11, is characterized in that, described selected cell specifically for:
Described transmission objective parameter is compared with predetermined threshold value;
Be described terminal selection host-host protocol according to the result compared and the host-host protocol of selection is notified described terminal, or being that described terminal is selected host-host protocol and the host-host protocol of selection notified V2X application server is so that described V2X application server notifies described terminal according to the result compared.
16. devices as claimed in claim 11, is characterized in that, described determining unit also for:
Before according to the scheduling of resource pattern of described transmission objective parameter and described host-host protocol determination scheduling of resource pattern or the configuration of reception base station, obtain the resource pool of described base station and the configuration information of two spike-type cultivars scheduling method.
17. devices as described in any one of claim 11-16, it is characterized in that, described transmission objective parameter comprises following at least one:
Propagation delay time, transmission bandwidth, transmitted data amount and transmission reliability.
18. devices as claimed in claim 17, is characterized in that, described selected cell specifically for:
When according to described transmission objective Selecting parameter host-host protocol, if transmitted data amount reaches preset data amount threshold value, then select the host-host protocol based on the D2D communication technology, if transmitted data amount does not reach described predetermined number threshold value, then select the host-host protocol based on D2D discovery technique.
19. devices as claimed in claim 17, is characterized in that, described determining unit specifically for:
When according to described transmission objective parameter and described host-host protocol determination scheduling of resource pattern, if propagation delay time reaches default delay threshold, then determine that scheduling of resource pattern is Resource Pool Pattern, if propagation delay time does not reach default delay threshold, then determine that scheduling of resource pattern is base station scheduling pattern.
20. devices as claimed in claim 19, is characterized in that, described determining unit also for:
If when terminal quantity reaches predetermined number threshold value, then determine that scheduling of resource pattern is Resource Pool Pattern.
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| PCT/CN2015/093534 WO2017041355A1 (en) | 2015-09-08 | 2015-10-31 | Method and device for controlling v2x service transmission |
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| CN201510567447.1A CN105246025B (en) | 2015-09-08 | 2015-09-08 | A kind of method and device of control V2X business transmission |
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| WO2017041355A1 (en) | 2017-03-16 |
| CN105246025B (en) | 2018-09-14 |
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