CN107371182A - User equipment and its data transmission method - Google Patents

User equipment and its data transmission method Download PDF

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Publication number
CN107371182A
CN107371182A CN201610321216.7A CN201610321216A CN107371182A CN 107371182 A CN107371182 A CN 107371182A CN 201610321216 A CN201610321216 A CN 201610321216A CN 107371182 A CN107371182 A CN 107371182A
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CN
China
Prior art keywords
data
user equipment
resource block
base station
resource
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
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CN201610321216.7A
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Chinese (zh)
Inventor
邓云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Spreadtrum Communications Shanghai Co Ltd
Spreadtrum Communications Inc
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Spreadtrum Communications Shanghai Co Ltd
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Application filed by Spreadtrum Communications Shanghai Co Ltd filed Critical Spreadtrum Communications Shanghai Co Ltd
Priority to CN201610321216.7A priority Critical patent/CN107371182A/en
Publication of CN107371182A publication Critical patent/CN107371182A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1221—Wireless traffic scheduling based on age of data to be sent
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Abstract

User equipment and its data transmission method, methods described include：Obtain the information for being used to transmit the resource pool of V2X data that base station is sent；When needing to transmit V2X data, the Physical Resource Block in the resource pool is detected；When it is determined that the Physical Resource Block in the resource pool meets first condition, V2X data are transmitted using the Physical Resource Block in the resource pool.Above-mentioned scheme, the transmission for realizing V2X data can be improved, lift the usage experience of user.

Description

User equipment and its data transmission method
Technical field
The present invention relates to wireless communication technology field, more particularly to a kind of user equipment and its data transfer Method.
Background technology
Equipment room (Device-to-Device, D2D) communication is a kind of under the control of system, it is allowed to is used The new technique directly to be communicated by reuse pattern resource between family equipment (UE), it can increase Frequency spectrum efficiency of cellular communication system, user equipment transmitting power is reduced, solves channel radio to a certain extent The problem of believing system spectral resources scarcity.
Itd is proposed in third generation partner program (3rd Generation Partnership Project, 3GPP) Advanced version Long Term Evolution (Long Term Evolution-Advanced, LTE-A) research project in, Need to provide new technology on the basis of LTE to meet IMT-Advanced (International Mobile Telecommunications-Advanced, IMT-A) requirement, there is provided higher data rate And power system capacity.IMT-A systems allow to support D2D communications to improve frequency spectrum profit under community cellular network With rate.D2D communications under the control of subzone network with community user shared resource, therefore the utilization of frequency spectrum Rate will get a promotion.In addition, it can mitigate the burden of cellular network, reduce the battery work(of mobile terminal Consumption, increase bit rate, the robustness etc. for improving network infrastructure failure, moreover it is possible to support new small Scope Point-to-Point Data service.
With the development of direct communication technology, it is desirable to which user equipment can support car networking (Vehicle-to-Everything, V2X) business, that is, carry out the transmission of V2X data.It is but existing User equipment can not realize the transmission to V2X data in technology.
The content of the invention
What the embodiment of the present invention solved is how to realize the transmission of V2X data.
To solve the above problems, the embodiments of the invention provide a kind of data transmission method of user equipment, Including：Obtain the information for being used to transmit the resource pool of V2X data that base station is sent；When need transmit V2X During data, the Physical Resource Block in the resource pool is detected；When it is determined that thing in the resource pool When reason resource block meets first condition, V2X data are transmitted using the Physical Resource Block in the resource pool.
Alternatively, the resource pool for transmitting V2X data is corresponding with default priority.
Alternatively, the grade of service for the V2X data that the priority can be transmitted according to resource pool is set, Or propagation delay time when V2X data are transmitted according to resource pool is set.
Alternatively, the Physical Resource Block in the resource pool detects, including：Choose and need The V2X data to be transmitted correspond to the resource pool of priority, and to the physical resource in selected resource pool Block is detected.
Alternatively, it is characterised in that the first condition includes：Physical Resource Block in the resource pool On power be less than corresponding first power threshold, first power threshold corresponds with resource pool.
Alternatively, the first condition also includes：Power in the resource pool is less than first power The V2X data that the Physical Resource Block of thresholding can transmit are more than or equal to the V2X data for needing to transmit.
Alternatively, methods described also includes：V2X can be transmitted when that can not be detected within the default time During the Physical Resource Block of data, the solicited message for obtaining V2X data transmission resources is sent to the base station； The resource allocation information that base station is sent is received, and uses the physical resource indicated by the resource allocation information Block transmission needs the V2X data transmitted.
Alternatively, before the resource allocation information that base station is sent is received, in addition to：Receive the base station The measurement configuration message of transmission, and the Physical Resource Block of the measurement configuration message instruction is detected, The measurement configuration message includes the information for the second condition that indicated Physical Resource Block meets；When true When Physical Resource Block indicated by the fixed measurement configuration message meets the second condition, corresponding to generation Measurement report is simultaneously sent to the base station；The buffer status report of V2X data is sent to the base station, with So that the base station is based on the measurement report and the buffer status report, resource corresponding to distribution；Institute Stating buffer status report includes the data volume for the V2X data that needs transmit.
Alternatively, the buffer status report also includes the grade of service corresponding to the V2X data that needs transmit Information.
Alternatively, the letter that the transmission for the V2X data that the buffer status report also includes needing to transmit controls Breath.
Alternatively, the information of the transmission control of the V2X data for needing to transmit includes needing what is transmitted Propagation delay time, transmission frequency, transmission reliability and the priority wherein at least one of V2X data.
Alternatively, the buffer status report includes the transmission control information for the V2X data that needs transmit Corresponding index information, wherein, pair between the transmission control information and index information of the V2X data It should be related to and be pre-defined by agreement.
Alternatively, the second condition includes following any：Indicated Physical Resource Block or including The power of the resource block group of more than two Physical Resource Block is more than or equal to default second power threshold； Indicated Physical Resource Block or the power of the resource block group including more than two Physical Resource Block are less than Default second power threshold；Reach the default time cycle.
Alternatively, the resource allocation information for receiving the base station and sending, including：Receive the base station The resource allocation that the descending control signaling scrambled using V2X-RNTI or SL-RNTI of transmission is sent is believed Breath；The mark that the V2X-RNTI is used when being the resource allocation message that base station sends transmission V2X data Information, sent by the base station beforehand through RRC signaling.
Alternatively, when the resource allocation information for receiving the descending control signaling transmission using SL-RNTI scramblings When, the resource for preferentially indicating the resource allocation information is used to transmit V2X data；Or according to neighbouring The priority of business and V2X business, the resource that the resource allocation information is indicated are used for transmission priority The data of higher business.
The embodiment of the present invention additionally provides a kind of user equipment, and the user equipment includes：Resource pool information Acquiring unit, the information for being used to transmit the resource pool of V2X data sent suitable for obtaining base station；Resource pool Probe unit, suitable for when needing to transmit V2X data, being carried out to the Physical Resource Block in the resource pool Detection；Data transmission unit, suitable for meeting first condition when the Physical Resource Block in the determination resource pool When, transmit V2X data using the Physical Resource Block in the resource pool.
Alternatively, the resource pool for transmitting V2X data is corresponding with default priority.
Alternatively, the grade of service for the V2X data that the priority can be transmitted according to resource pool is set, Or propagation delay time when V2X data are transmitted according to resource pool is set.
Alternatively, the V2X data that the resource pool probe unit is suitable to choose with need to transmit are corresponding preferential The resource pool of level, and the Physical Resource Block in selected resource pool is detected.
Alternatively, the first condition includes：The power on Physical Resource Block in the resource pool is less than Corresponding first power threshold, first power threshold correspond with resource pool.
Alternatively, the first condition also includes：Power in the resource pool is less than first power The V2X data that the Physical Resource Block of thresholding can transmit are more than or equal to the V2X data for needing to transmit.
Alternatively, the user equipment also includes：Resource acquisition request unit, suitable for when when default In when can not detect the Physical Resource Block that can transmit V2X data, send and obtain to the base station The solicited message of V2X data transmission resources；The data transmission unit, it is further adapted for receiving what base station was sent Resource allocation information, and need to transmit using the Physical Resource Block transmission indicated by the resource allocation information V2X data.
Alternatively, the resource pool probe unit, it is further adapted for receiving the resource allocation information of base station transmission Before, the measurement configuration message that the base station is sent is received, and to the thing of the measurement configuration message instruction Reason resource block is detected, and the measurement configuration message includes the of indicated Physical Resource Block satisfaction The information of two conditions；When it is determined that the Physical Resource Block indicated by the measurement configuration message meets described second During condition, measurement report corresponding to generation is simultaneously sent to the base station；V2X data are sent to the base station Buffer status report, to cause the base station to be based on the measurement report and the buffer status report, Resource corresponding to distribution；The buffer status report includes the data volume for the V2X data that needs transmit.
Alternatively, the buffer status report also includes the grade of service corresponding to the V2X data that needs transmit Information.
Alternatively, the letter that the transmission for the V2X data that the buffer status report also includes needing to transmit controls Breath.
Alternatively, the information of the transmission control of the V2X data for needing to transmit includes needing what is transmitted Propagation delay time, transmission frequency, transmission reliability and the priority wherein at least one of V2X data.
Alternatively, the buffer status report includes the transmission control information for the V2X data that needs transmit Corresponding index information, wherein, pair between the transmission control information and index information of the V2X data It should be related to and be pre-defined by agreement.
Alternatively, the second condition includes following any：Indicated Physical Resource Block or including The power of the resource block group of more than two Physical Resource Block is more than or equal to default second power threshold； Indicated Physical Resource Block or the power of the resource block group including more than two Physical Resource Block are less than Default second power threshold；Reach the default time cycle.
Alternatively, the data transmission unit, V2X-RNTI is used suitable for what the reception base station was sent Or the resource allocation information that the descending control signaling of SL-RNTI scramblings is sent；The V2X-RNTI is Base station sends the identification information used during the resource allocation message of transmission V2X data, advance by the base station Sent by RRC signaling.
Alternatively, the data transmission unit, suitable for when reception is using the descending control of SL-RNTI scramblings During the resource allocation information that signaling is sent, the resource for preferentially indicating the resource allocation information is used to transmit V2X data；Or according to neighbouring business and the priority of V2X business, the resource allocation information is referred to The resource shown is used for the data of the higher business of transmission priority.
Compared with prior art, technical scheme has the following advantages that：
Above-mentioned scheme, user equipment transmit V2X data by being used for of configuring of the base station that obtains in advance The information of resource pool, and when needing to transmit V2X data, the Physical Resource Block in the resource pool is entered Row detection, meet that the Physical Resource Block of first condition carries out V2X numbers in the resource pool of base station configuration to choose According to transmission, so as to realize the transmission of V2X data, improve the usage experience of user.
Further, when can not be chosen within the default time from the resource pool physical resource carry out V2X During data transfer, the solicited message of V2X data transmission resources is obtained by being sent to the base station, with base Configuration in base station detects to corresponding Physical Resource Block, and uses meeting of detecting default the The Physical Resource Block of two conditions carries out the transmission of V2X data, can improve the reliability of V2X data transfers.
Further, user equipment is reported to base station by physical layer and indicated Physical Resource Block is visited The corresponding measurement report generated is surveyed, the complexity that measurement report reports can be reduced, improves measurement report The speed reported is accused, and then the speed of V2X data transmission resources scheduling can be improved.
Further, base station sends resource allocation information by physical layer descending control signaling to user equipment, The propagation delay time of resource allocation information can be reduced, and then the scheduling of V2X data transmission resources can be improved Speed.
Brief description of the drawings
Fig. 1 is the schematic diagram of direct communication between user equipment of the prior art；
Fig. 2 is a kind of flow chart of the data transmission method of user equipment in the embodiment of the present invention；
Fig. 3 is the flow chart of the data transmission method of another user equipment in the embodiment of the present invention；
Fig. 4 is the flow chart of the data transmission method of another user equipment in the embodiment of the present invention；
Fig. 5 is the flow chart of the data transmission method of another user equipment in the embodiment of the present invention；
Fig. 6 is the flow chart of the data transmission method of another user equipment in the embodiment of the present invention；
Fig. 7 is a kind of structural representation of user equipment in the embodiment of the present invention.
Embodiment
Shown in Figure 1, in 3GPP versions 12 (Release 12), LTE introduces equipment room The direct communication of (Device to Device, D2D), also referred to as Sidelink Communication. Wherein, corresponding physical layer (Physical Layer), matchmaker in user equipment (UE) A and user equipment (UE) B Body intervention key-course (Medium Access Control, MAC), wireless spread-spectrum technology (Radio Link Control, RLC) layer, physical radio resource control (Radio Resource Control, RRC) layer is extremely Between can pass through PC5 interfaces carry out direct communication.
In the prior art, the direct communication between user equipment can generally use the resource point of both of which With mode, one of which is base station scheduling resource allocation (scheduled resource allocation) mode, The resource i.e. as used in base station by progress direct communication between signal deployment user equipment；One kind is automatic Resource selection mode (autonomous resource selection), base station can first by system message or Wireless heterogeneous networks (Radio Resource Control, RRC) signaling is provided for direct for user equipment The resource pool of communication, user equipment need with around user equipment progress direct communication when, Ke Yicong The resource for direct communication is selected in the resource pool of configuration.Under normal circumstances, if when in direct communication Transmission immediate data transmission user equipment (Transmitter UE) not in network coverage when, Transmission user equipment can select to be used for use automatic resource selection mode from the resource pool being pre-configured with The resource of direct communication.
At present, transmission UE controls (Sidelink Control, SC) in the cycle in a direct link, only Immediate data can be sent to a target group (or a target), in a SC cycle, generally transmission User equipment can transmit 4 immediate datas.
For base station scheduling resource distribution mode, user equipment sends direct communication request letter to base station first Breath is Sidelink UE Information signalings.User equipment is in Sidelink UE Information signalings Indicating base station, it needs which target group to send immediate data to.For same target group, user is transmitted Equipment can transmit different immediate datas, and these immediate datas may map to different logic channels (sidelink logical channel), different logic channels may belong to difference or belong to identical logic Channel group.Afterwards, data storage from user equipment to the different target group direct writing of base station repeats it is slow State (Buffer status) is deposited, so that base station performs corresponding scheduling of resource.For same target group Different direct writings, user equipment can report each logic channel group according to different logic channel groups Total buffer status of direct writing.The Access Layer of transmission user equipment can know difference from Non-Access Stratum The priority of direct writing, user equipment is at buffer status report (Buffer Status Report, BSR) In can be sorted according to the highest priority traffic of different target group, list different groups of Different Logics letter successively The state of the data storage of road group is the size of data.Base station is used for low coverage by distribute to user equipment From Radio Network Temporary Identifier (the Sidelink Radio Network Temporary of business direct communication scheduling Identity, SL-RNTI) mandate (Grant) for transmitting direct writing, transmission are sent to transmission user equipment The mandate received is applied to the direct writing of limit priority by user equipment.
With the development of communication, car networking (Vehicle-to-Everything, V2X) is introduced into 3GPP Business.Wherein, in an application scenarios, in network coverage, a transmission user equipment is to more Individual other user equipmenies send V2X data；In another application scene, transmission user equipment first to Base station sends V2X data, then sends V2X data to multiple other user equipmenies again from base station.It is right For a user equipment, its biography that may be supported existing direct communication simultaneously and support V2X data It is defeated, i.e. V2X business, now, when user equipment needs network to be distributed for it for transmitting V2X data During resource, it needs the number for reporting the V2X data for being currently needed for transmission of current cache to network first According to the information of amount, so that suitable resource is distributed in base station for it.
But the transmission of V2X data can not be realized using above-mentioned mechanism.
Above-mentioned to solve the problems, such as, the embodiment of the present invention provides feasible technical scheme, and user equipment passes through What is obtained in advance is used to transmit the information of the resource pool of V2X data by base station configuration, and is needing to transmit During V2X data, the Physical Resource Block in the resource pool is detected, to choose the money of base station configuration Meet that the Physical Resource Block of first condition carries out the transmission of V2X data in the pond of source, so as to realize V2X The transmission of data, improve the usage experience of user.
Fig. 2 shows a kind of flow chart of the data transmission method of user equipment in the embodiment of the present invention. Referring to Fig. 2, in specific implementation, the data transmission method of the user equipment in the embodiment of the present invention can wrap Include following steps：
Step S201：Obtain the information for being used to transmit the resource pool of V2X data that base station is sent.
In specific implementation, the quantity for being used to transmit the resource pool of V2X data that the base station is sent can be with Be configured according to the actual needs, such as one or two with first-class.
Step S202：When needing to transmit V2X data, the Physical Resource Block in the resource pool is carried out Detection.
In specific implementation, user equipment can be according to the needs of transmission V2X data, to base station configuration Physical Resource Block in resource pool is detected, to obtain the information for the Physical Resource Block for meeting transmission needs.
Step S203：When it is determined that the Physical Resource Block in the resource pool meets first condition, institute is used State the Physical Resource Block transmission V2X data in resource pool.
In specific implementation, the first condition that the middle Physical Resource Block of the resource pool meets can be according to reality The needs on border are configured.
Above-mentioned scheme, user equipment by obtaining by base station configuration for transmitting V2X data in advance Resource pool information, and need transmit V2X data when, to the Physical Resource Block in the resource pool Detected, meet that the Physical Resource Block of first condition carries out V2X in the resource pool of base station configuration to choose The transmission of data, so as to realize the transmission of V2X data, improve the usage experience of user.
It is understandable to enable the above objects, features and advantages of the present invention to become apparent, below in conjunction with the accompanying drawings The specific embodiment of the present invention is described in detail.
Fig. 3 shows the flow chart of the data transmission method of another user equipment in the embodiment of the present invention. Referring to Fig. 3, in specific implementation, the data transmission method of another user equipment in the embodiment of the present invention It may include steps of：
Step S301：Obtain the information for being used to transmit the resource pool of V2X data that base station is sent.
In specific implementation, base station can be sent for transmitting V2X by the way of broadcast to user equipment The information of the resource pool of data.Wherein, in the resource pool for transmitting V2X data can include one with On Physical Resource Block Time-Frequency Information, user equipment can use resource pool in Physical Resource Block transmission V2X data.
In specific implementation, in order to improve the flexibility of V2X data transfers and reliability, base station passes through wide It can be two or more to broadcast as the resource pool for being used to transmit V2X data of user device configuration.
Wherein, in an embodiment of the present invention, when the resource pool for being used to transmit V2X data of base station configuration When can be two or more, configured two or more be used for transmit V2X data Resource pool and corresponding priority it is corresponding so that user equipment can based on be currently needed for transmission The needs of V2X data, the Physical Resource Block transmission V2X data in the resource pool of corresponding priority are chosen, So as to meet that different user devices transmit the needs of different V2X data.
In specific implementation, the V2X data that user equipment needs to transmit may include different transmission demands, Such as delay requirement, the number of transmissions demand, priority requirements, a grade of service parameter system can be introduced One represents these transmission demands, i.e. a grade of service represents specific delay requirement, a number of transmissions Demand, priority requirements.Base station can be according to different in the resource pool for being configured to transmit V2X data Grade of service parameter setting.
In specific implementation, the priority of the resource pool of base station configuration can be set according to the actual needs Put.For example, in an embodiment of the present invention, base station can be set according to the grade of service corresponding to V2X data Put；In an alternative embodiment of the invention, base station can be set according to importance degree corresponding to V2X data Priority corresponding to resource pool；In another embodiment is invented, base station according to V2X data propagation delay time For for transmitting priority corresponding to the resource pool setting of V2X data.
Step S302：When needing to transmit V2X data, the Physical Resource Block in the resource pool is carried out Detection.
In specific implementation, when the resource pool for being used to transmit V2X data that base station is user device configuration is Two or more, and each resource pool is respectively set to corresponding priority or the grade of service, uses Family equipment can be when needing peritropous other users equipment transmission V2X data, according to being currently needed for passing Defeated V2X data decimations correspond to priority or the resource pool of the grade of service is detected, with selection and currently The Physical Resource Block transmission for needing the V2X data transmitted to be adapted is currently needed for the V2X data of transmission.
Step S303：Judge whether the Physical Resource Block in the resource pool meets first condition；Work as judgement As a result it is that when being, step S304 can be performed；Conversely, it can then perform step S305.
In an embodiment of the present invention, the first condition that the resource pool meets is to exist in the resource pool Power is less than the Physical Resource Block of corresponding first power threshold.
In an alternative embodiment of the invention, the first condition that the resource pool meets is to be deposited in the resource pool It is less than the Physical Resource Block of corresponding first power threshold in power, and power is less than institute in the resource pool The V2X data that stating the Physical Resource Block of the first power threshold can transmit are currently needed for passing more than user equipment Defeated V2X data.Wherein, there is the physical resource that power is less than default power threshold in the resource pool Block is the condition must being fulfilled for.It should be noted that default first power threshold can be by base station herein Set by system message, associated with the resource pool for transmitting V2X data, i.e., different resource pool can be with Configure identical or different power threshold.
In specific implementation, when the power on Physical Resource Block is less than first power threshold, show The Physical Resource Block is not currently being used to transmit any data, or by user farther out's equipment profit With；When power on Physical Resource Block is more than first power threshold, then show the Physical Resource Block Currently it is being used to transmit data, thus cannot be used further to transmit the V2X data of the user equipment, To avoid resource contention.
Meanwhile the power in selected resource pool is less than the Physical Resource Block energy of first power threshold The V2X data enough transmitted should be greater than or be currently needed for equal to the user equipment V2X data of transmission, So that must be currently needed for transmission V2X data can disposable end of transmission, so as to ensure data pass Defeated integrality.
It will be appreciated by those skilled in the art that the first condition can also be according to the actual needs The power for all Physical Resource Block being arranged in the resource block is respectively less than described first power threshold etc.. When in resource pool Physical Resource Block meet first condition change when, follow-up step will need into The corresponding adjustment of row, will not be repeated here.
Step S304：The V2X data transmitted are needed using the Physical Resource Block transmission in resource pool.
In specific implementation, there is power less than described first in user equipment in a resource pool is detected The Physical Resource Block of power threshold, it can also further include power in the resource pool and be less than described first The data volume for the V2X data that the Physical Resource Block of power threshold can transmit is more than or equal to the user When equipment is currently needed for the V2X data of transmission, it is small that the user equipment can choose power in the resource pool In first power threshold Physical Resource Block or select Physical Resource Block in the resource pool current The V2X data for needing to transmit are transferred to other users equipment, so as to realize that V2X data are set in user Transmission between standby, lifting user transmit the effect of V2X data.
In specific implementation, it is also possible to user equipment step S301 to S304 automatic resource selection occurs Mode can not choose suitable resource within the default time, and the V2X data of transmission are currently needed for transmission. Now, in order to improve the reliability of V2X data transfers and promptness, the user in the embodiment of the present invention sets Standby data transmission method can also include：
Step S305：RRC is established between the base station to be connected, and is sent to the base station and obtained V2X The solicited message of data transmission resources.
In specific implementation, user equipment by step S301 to S304 automatic resource selection mode not Chosen within the default time when arriving suitable resource transmission V2X data, user equipment can with base station it Between establish RRC connections, and pass through sent to the base station obtain transmission V2X data transmission resources please Information is sought, corresponding scheduling of resource is performed to be currently needed for the V2X data of transmission to apply for base station.
Step S306：Physical Resource Block is detected again, and uses the physical resource detected again Block transmission needs the V2X data transmitted.
In specific implementation, in same cell, different zones may have different user equipmenies to periphery Other users equipment send V2X data, in order to realize effective utilization of resource, base station can receive During the solicited message of the acquisition V2X data transmission resources sent to the user equipment, sent out to user equipment Measurement configuration message is sent, (bag is configured on the Physical Resource Block indicated in message to measurement with instruction user equipment Include on time-frequency location, and indicated Physical Resource Block can be one or more Physical Resource Block) work( Rate is detected, and the Physical Resource Block transmission so as to find to use is currently needed for the V2X of transmission Data, to improve the reliability of V2X data transfers, and economize on resources.The thing that can be used is found herein Reason resource block refers to that the power that user equipment detects on indicated Physical Resource Block is less than corresponding power Thresholding.
In specific implementation, transmission of the base station in the acquisition transmission V2X data for receiving user equipment transmission During the solicited message of resource, the resource of V2X data can be directly transmitted for user equipment distributing user, with Resource is saved, specifically refers to Fig. 4.
Step S401：Obtain the information for being used to transmit the resource pool of V2X data that base station is sent.
Step S402：When needing to transmit V2X data, the Physical Resource Block in the resource pool is carried out Detection.
Step S403：Judge whether the Physical Resource Block in the resource pool meets first condition；Work as judgement As a result it is that when being, step S404 can be performed；Conversely, it can then perform step S405.
Step S404：The V2X data transmitted are needed using the Physical Resource Block transmission in resource pool.
Step S405：RRC is established between the base station to be connected, and is sent to the base station and obtained V2X The solicited message of data transmission resources and be currently needed for transmission V2X data data volume information.
In specific implementation, base station is receiving the transmission for the transmission V2X data that the user equipment is sent The solicited message of resource and be currently needed for transmission V2X data data volume information when, can be based on connect Receive the solicited message of the transfer resource for the transmission V2X data that the user equipment is sent and be currently needed for passing The information of the data volume of defeated V2X data, the V2X data point for needing to transmit for the user device transmissions With corresponding resource, i.e., corresponding Physical Resource Block, and the physics that will be distributed by resource allocation information The information of resource block is sent to the user equipment.In this step, user equipment can send acquisition respectively The solicited message of V2X data transmission resources and be currently needed for transmission V2X data data volume information to Base station.
Step S406：The resource allocation information that the base station is sent is received, and sent using the base station Physical Resource Block transmission indicated by resource allocation information needs the V2X data transmitted.
It is to be herein pointed out parts of the above-mentioned step S401 into step S406 to be discussed in detail The introduction for being referred to corresponding steps in other embodiments of the invention performs, and will not be repeated here.
In specific implementation, base station can also configure instruction message instruction user equipment to measurement by measuring The indicated Physical Resource Block of configuration instruction measures, and is indicated according to base station by measuring configuration message Physical Resource Block may belong to automatic resource selection mode corresponding to resource block, could also belong to base station scheduling Physical Resource Block corresponding to resource distribution mode, user equipment send result of detection to base station and measure configuration After the measurement report of the Physical Resource Block of message instruction, base station selected suitable resource allows user equipment to pass Defeated V2X data, base station can be that user device configuration uses automatic resource selection mode in subsequent step Resource pool, or use base station scheduling resource distribution mode, i.e., base station directly sends to user equipment and transmitted The resource of V2X data, specifically refers to Fig. 5 and Fig. 6.
Fig. 5 shows the flow chart of the data transmission method of another user equipment in the embodiment of the present invention. Referring to Fig. 5, in specific implementation, the data transmission method of another user equipment in the embodiment of the present invention It may include steps of：
Step S501：Obtain the information for being used to transmit the resource pool of V2X data that base station is sent.
Step S502：When needing to transmit V2X data, the Physical Resource Block in the resource pool is carried out Detection.
Step S503：Judge whether the Physical Resource Block in the resource pool meets first condition；Work as judgement As a result it is that when being, step S504 can be performed；Conversely, it can then perform step S505.
Step S504：The V2X data transmitted are needed using the Physical Resource Block transmission in resource pool.
Step S505：RRC is established between the base station to be connected, and is sent to the base station and is obtained V2X The solicited message of data transmission resources.
Step S506：The measurement configuration message that the base station is sent is received, and to the measurement configuration message The Physical Resource Block of instruction is detected.
Step S507：It is raw when it is determined that whether indicated Physical Resource Block meets default second condition Into corresponding measurement report and send to the base station, to cause the base station to be based on the measurement report pair Corresponding resource pool is updated.
In specific implementation, the second condition can be configured according to the actual needs, be such as arranged to Or setting other conditions, the present invention identical with the first condition are not limited herein.
In specific implementation, when base station passes through the physical resource of measurement configuration message instruction user device measuring Block is that user equipment can be by the measurement corresponding to automatic resource selection mode during Physical Resource Block The Physical Resource Block or resource pool of configuration message instruction are detected, and determine that the measurement configuration message refers to When the Physical Resource Block shown meets second condition, corresponding measurement report can be generated and sent to base station, To allow base station to obtain the information of the power on corresponding Physical Resource Block, whether to determine user equipment Corresponding Physical Resource Block transmission can be used to be currently needed for the V2X data of transmission.
In specific implementation, the trigger condition that measurement report reports can be set according to the actual needs, when When meeting that trigger condition such as reaches the default time cycle, corresponding measurement report is reported to base station.
In specific implementation, it is pre- that the user equipment can report power to be more than or equal in measurement report If the Physical Resource Block of power threshold either the information of resource pool or report power to be less than the power The Physical Resource Block of threshold value or the information of resource pool, those skilled in the art can be according to the need of reality It is configured, the present invention is not limited herein.Power is more than or equal to default power threshold herein Either resource pool is the thing of the second condition or power less than the power threshold to Physical Resource Block It is the second condition to manage resource block or resource pool.Base station can be directed to different Physical Resource Block or Resource pool configures different power thresholds.
In specific implementation, user equipment according to default report cycle can be in the measurement report on Measured performance number on the Physical Resource Block that report indicates in measurement configures, or repeatedly measure what is obtained The average power content of each Physical Resource Block, or report the flat of power in resource pool on Physical Resource Block Average etc., the present invention are not limited herein.
Base station is after the measurement report of user equipment to report is obtained, by being parsed to measurement report, Can with know it is described measurement configuration message instruction Physical Resource Block in which can be used for user equipment pass Defeated V2X data, which may not be usable for transmitting V2X data.Wherein, base station can parse obtained work( The Physical Resource Block that rate is less than the power threshold is added in the corresponding resource pool configured before, so that Increase one or more Physical Resource Block in corresponding resource pool newly.Because on newly-increased Physical Resource Block Power be respectively less than default threshold value, can be used for user device transmissions V2X data.
Step S508：Physical Resource Block in resource pool after renewal is detected.
In specific implementation, after base station is updated to the Physical Resource Block in corresponding resource pool, use Family equipment, can be to obtain power by detecting the power on the Physical Resource Block in corresponding resource pool again It is less than the power threshold less than the Physical Resource Block of the power threshold, and using the power of respective numbers Physical Resource Block transmission be currently needed for transmission V2X data, so as to realize V2X data user equipment it Between transmission.
Step S509：Judge whether the Physical Resource Block in the resource pool after the renewal meets first condition； When judged result is to be, step S510 can be performed；Conversely, it can then continue executing with step S508.
Step S510：V2X data are transmitted using the Physical Resource Block in the resource pool after the renewal.
It is to be herein pointed out parts of the above-mentioned step S501 into step S510 to be discussed in detail The introduction for being referred to corresponding steps in other embodiments of the invention performs, and will not be repeated here.
Fig. 6 shows the flow chart of the data transmission method of another user equipment in the embodiment of the present invention. Referring to Fig. 6, in specific implementation, the data transmission method of another user equipment in the embodiment of the present invention It may include steps of：
Step S601：Obtain the information for being used to transmit the resource pool of V2X data that base station is sent.
Step S602：When needing to transmit V2X data, the Physical Resource Block in the resource pool is carried out Detection.
Step S603：Judge whether the Physical Resource Block in the resource pool meets first condition；Work as judgement As a result it is that when being, step S604 can be performed；Conversely, it can then perform step S605.
Step S604：The V2X data transmitted are needed using the Physical Resource Block transmission in resource pool.
Step S605：RRC is established between the base station to be connected, and is sent to the base station and is obtained V2X The solicited message of data transmission resources.
Step S606：The measurement configuration message that the base station is sent is received, and to the measurement configuration message The Physical Resource Block of instruction is detected.
Step S607：When it is determined that whether indicated Physical Resource Block meets default second condition, generation Corresponding measurement report is simultaneously sent to the base station, and the letter of the data volume for the V2X data that needs are transmitted Breath is sent to the base station, to cause the data for the V2X data transmitted based on the measurement report and needs Resource allocation information corresponding to the information generation of amount.
In specific implementation, when base station passes through the physical resource of measurement configuration message instruction user device measuring Block is that user equipment passes through to the measurement corresponding to base station scheduling resource distribution mode during Physical Resource Block The Physical Resource Block or resource pool of configuration message instruction are detected, and determine indicated Physical Resource Block Or resource pool is when meeting second condition, can generate corresponding to measurement report and send to base station, to cause Base station can obtain the information of the power on corresponding Physical Resource Block, and then can determine which physical resource Block can be used for transmitting V2X data, and which Physical Resource Block may not be usable for transmitting V2X data.
Base station is after the measurement report that user equipment is sent is obtained, it is also necessary to knows that user equipment currently needs The information of the data volume of the V2X data to be transmitted, think the power of the user equipment distribution respective numbers Less than the Physical Resource Block of power threshold, transmit the user equipment is currently needed for transmission V2X data.
In specific implementation, the letter of the data volume of the V2X data for being currently needed for transmission of user equipment to report Breath can be reported by the way of buffer status report (BSR) to base station.For example, implement in the present invention one In example, when user equipment supports neighbouring business, user equipment can use in existing D2D BSR or The BSR extended on the basis of Sidelink BSR, the data volume that will be currently needed for the V2X data of transmission are sent out Send base station；Or in another implementation of the present invention, the BSR of preset format can be used, user is set The information reporting of the data volume of the standby V2X data for being currently needed for transmission is to base station.
In an alternative embodiment of the invention, in order to improve the flexibility of V2X data transfers, on user equipment Also include the transmission control information for being currently needed for the V2X data of transmission in the BSR of report, be such as currently needed for passing Defeated V2X propagation delay time, transmission frequency, the information of transmission reliability and priority wherein at least one； Or grade of service parameter corresponding to V2X data can be included in BSR.
When the BSR of base station transmission is received in base station, measurement report that can be based on user equipment to report and BSR, the resource of the V2X data for transmission is sent to user equipment, i.e. transmission is currently needed for transmission The Physical Resource Block used of V2X data or the information of resource block group, and by the user equipment Send the mode of resource allocation information so that user equipment knows above-mentioned resource allocation information.
In specific implementation, when using base station scheduling resource distribution mode, base station can pass through descending control Signaling processed sends corresponding resource allocation information, the resource allocation information that base station is sent to the user equipment Include the information for the resource that the V2X data that user device transmissions are currently needed for transmitting use, i.e., it is corresponding The information of Physical Resource Block or resource block group.
In specific implementation, base station can use default nothing to the descending control signaling that user equipment is sent Line Network Temporary Identifier (Radio Network Temporary Identity, RNTI) is scrambled, so that The reception object for obtaining the Downlink Control Information that user equipment is sent to base station makes a distinction.Wherein, base station needs Used RNTI information is informed into user equipment in advance.
For example, when user equipment does not support closely (Proximity) business, base station can use pre- If V2X-RNTI the descending control signaling is scrambled so that user equipment is known point The transfer resource matched somebody with somebody is used for V2X business rather than for other business, and base station needs in advance should V2X-RNTI information informs user equipment, as base station can inform user equipment by RRC signaling.
Or in still another embodiment of the process, when user equipment supports direct communication (D2D Communication, or Sidelink Communication) when, base station can directly use SL-RNTI The descending control signaling of scrambling is used for the transfer resource of neighbouring business to user device transmissions, now due to Family equipment supports closely business and V2X business, and user equipment is receiving the descending of SL-RNTI scramblings , can be according to the actual needs by the money of the descending control signaling instruction of SL-RNTI scramblings during control signaling Source is preferentially used for transmitting V2X data.For example, in an embodiment of the present invention, user equipment is receiving During the descending control signaling of SL-RNTI scramblings, preferentially the resource configured from descending control signaling is used to pass The defeated V2X data for being currently needed for transmission.Or user equipment is according to V2X business and adjacent to the excellent of business The resource priority that first level determines to obtain from descending control signaling distributes to the higher business of priority.
Step S608：Receive the resource allocation information, and the thing indicated using the resource allocation information Reason resource block transmission needs the V2X data transmitted.
In specific implementation, user equipment when receiving the resource allocation information that the base station is sent, from The information of corresponding resource is parsed in the resource allocation information, i.e., corresponding Physical Resource Block or resource block The information (including Time-Frequency Information) of group, and Physical Resource Block corresponding to use or the money of the physics in resource block group Source block transmission is currently needed for the V2X data of transmission, and V2X numbers are transmitted between other users equipment to realize According to.
It is to be herein pointed out parts of the above-mentioned step S601 into step S608 to be discussed in detail The introduction for being referred to corresponding steps in other embodiments of the invention performs, and will not be repeated here.
Device corresponding to above-mentioned method will be further described in detail below.
Referring to Fig. 7, in specific implementation, a kind of user equipment 700 in the embodiment of the present invention can include Resource pool acquiring unit 701, resource pool probe unit 702 and data transmission unit 703, wherein：
Resource pool information acquisition unit 701, the money for being used to transmit V2X data sent suitable for obtaining base station The information in source pond.
Resource pool probe unit 702, suitable for when need transmit V2X data when, in the resource pool Physical Resource Block is detected.
Data transmission unit 703, suitable for meeting first condition when the Physical Resource Block in the determination resource pool When, transmit V2X data using the Physical Resource Block in the resource pool.
In specific implementation, the resource pool for being used to transmit V2X data can be with default priority phase It is corresponding.
In specific implementation, the grade of service for the V2X data that the priority can be transmitted according to resource pool Set, or set according to propagation delay time during resource pool transmission V2X data.
In specific implementation, the resource pool probe unit 702 is suitable to choose the V2X numbers with needing to transmit According to the resource pool of corresponding priority, and the Physical Resource Block in selected resource pool is detected.
In one embodiment of the invention, the first condition includes：On Physical Resource Block in the resource pool Power be less than corresponding first power threshold, first power threshold corresponds with resource pool.
In one embodiment of the invention, the first condition also includes：Power in the resource pool is less than institute The V2X data that stating the Physical Resource Block of the first power threshold can transmit, which are more than or equal to, needs what is transmitted V2X data.
In an embodiment of the present invention, the base station 700 as shown in Figure 7 can also include：
Resource acquisition request unit 704, V2X can be transmitted suitable for working as not detecting within the default time During the Physical Resource Block of data, the solicited message for obtaining V2X data transmission resources is sent to the base station；
The data transmission unit 703, it is further adapted for receiving the resource allocation information that base station is sent, and uses institute State the V2X data that the transmission of the Physical Resource Block indicated by resource allocation information needs to transmit.
In an embodiment of the present invention, the resource pool probe unit 702, it is further adapted for receiving base station transmission Resource allocation information before, receive the measurement configuration message that the base station is sent, and the measurement is matched somebody with somebody The Physical Resource Block for putting message instruction is detected, and the measurement configuration message includes indicated physics The information for the second condition that resource block meets；When it is determined that the measurement configures the physical resource indicated by message When block meets the second condition, measurement report corresponding to generation is simultaneously sent to the base station；To the base Stand and send the buffer status report of V2X data, to cause the base station to be based on the measurement report and described Buffer status report, resource corresponding to distribution；The buffer status report includes the V2X that needs transmit The data volume of data.
In an embodiment of the present invention, the buffer status report also includes needing the V2X data pair transmitted The information for the grade of service answered.
In an embodiment of the present invention, the buffer status report also includes the V2X data that needs transmit Transmit the information of control.
In specific implementation, the information of the transmission control of the V2X data for needing to transmit includes needing to pass Propagation delay time, transmission frequency, transmission reliability and the priority wherein at least one of defeated V2X data.
In specific implementation, the biography for the V2X data that needs transmit can be included in the buffer status report Index information corresponding to defeated control information, wherein, transmission control information and the index of the V2X data are believed Corresponding relation between breath is pre-defined by agreement.
In specific implementation, the second condition can include following any：Indicated physical resource Block or the power of resource block group including more than two Physical Resource Block are more than or equal to default second Power threshold；Indicated Physical Resource Block or the resource block group including more than two Physical Resource Block Power be less than default second power threshold；Reach the default time cycle.
In specific implementation, the data transmission unit 703, the use sent suitable for receiving the base station The resource allocation information that the descending control signaling of V2X-RNTI or SL-RNTI scramblings is sent；It is described The identification information that V2X-RNTI is used when being the resource allocation message that base station sends transmission V2X data, by The base station is sent beforehand through RRC signaling.
In specific implementation, the data transmission unit 703, suitable for being scrambled when reception using SL-RNTI Descending control signaling send resource allocation information when, the money that preferentially indicates the resource allocation information Source is used to transmit V2X data；Or according to neighbouring business and the priority of V2X business, by the resource The resource for distributing information instruction is used for the data of the higher business of transmission priority.
Above-mentioned scheme, user equipment transmit V2X data by being used for of configuring of the base station that obtains in advance The information of resource pool, and when needing to transmit V2X data, the Physical Resource Block in the resource pool is entered Row detection, meet that the Physical Resource Block of first condition carries out V2X numbers in the resource pool of base station configuration to choose According to transmission, so as to realize the transmission of V2X data, the usage experience of raising.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment Suddenly it is that by program the hardware of correlation can be instructed to complete, the program can be stored in computer-readable In storage medium, storage medium can include：ROM, RAM, disk or CD etc..

Claims (30)

  1. A kind of 1. data transmission method of user equipment, it is characterised in that including：
    Obtain the information for being used to transmit the resource pool of V2X data that base station is sent；
    When needing to transmit V2X data, the Physical Resource Block in the resource pool is detected；
    When it is determined that the Physical Resource Block in the resource pool meets first condition, using in the resource pool Physical Resource Block transmits V2X data.
  2. 2. the data transmission method of user equipment according to claim 1, it is characterised in that described to be used for The resource pool for transmitting V2X data is corresponding with default priority.
  3. 3. the data transmission method of user equipment according to claim 2, it is characterised in that described preferential The grade of service for the V2X data that level can be transmitted according to resource pool is set, or is passed according to resource pool Propagation delay time during defeated V2X data is set.
  4. 4. the data transmission method of user equipment according to claim 2, it is characterised in that described to institute The Physical Resource Block stated in resource pool is detected, including：
    The resource pool of priority corresponding with the V2X data for needing to transmit is chosen, and to selected resource pool In Physical Resource Block detected.
  5. 5. the data transmission method of user equipment according to claim 4, it is characterised in that described first Condition also includes：
    The power on Physical Resource Block in the resource pool is less than corresponding first power threshold, and described first Power threshold corresponds with resource pool.
  6. 6. the data transmission method of user equipment according to claim 5, it is characterised in that described first Condition also includes：
    What the Physical Resource Block that the power in the resource pool is less than first power threshold can transmit V2X data are more than or equal to the V2X data for needing to transmit.
  7. 7. the data transmission method of user equipment according to claim 1, it is characterised in that also include：
    When the Physical Resource Block that can transmit V2X data can not be detected within the default time, to institute State base station and send the solicited message for obtaining V2X data transmission resources；
    The resource allocation information that base station is sent is received, and is provided using the physics indicated by the resource allocation information Source block transmission needs the V2X data transmitted.
  8. 8. the data transmission method of user equipment according to claim 7, it is characterised in that receiving base Stand send resource allocation information before, in addition to：
    The measurement configuration message that the base station is sent is received, and the physics of the measurement configuration message instruction is provided Source block is detected, and the measurement configuration message includes indicated Physical Resource Block meets second The information of condition；
    When it is determined that the Physical Resource Block indicated by the measurement configuration message meets the second condition, generation Corresponding measurement report is simultaneously sent to the base station；
    The buffer status report of V2X data is sent to the base station, to cause the base station to be based on the survey Amount report and the buffer status report, resource corresponding to distribution；The buffer status report includes Need the data volume of V2X data transmitted.
  9. 9. the data transmission method of user equipment according to claim 8, it is characterised in that the caching State report also includes the information of the grade of service corresponding to the V2X data that needs transmit.
  10. 10. the data transmission method of user equipment according to claim 8, it is characterised in that the caching The information that the transmission for the V2X data that state report also includes needing to transmit controls.
  11. 11. the data transmission method of user equipment according to claim 10, it is characterised in that the need When the information of the transmission control of the V2X data to be transmitted includes the transmission for the V2X data that needs transmit Prolong, transmission frequency, transmission reliability and priority wherein at least one.
  12. 12. the data transmission method of user equipment according to claim 11, it is characterised in that described slow Depositing state report includes index information corresponding to the transmission control information for the V2X data that needs transmit, Wherein, the corresponding relation between the transmission control information of the V2X data and index information is by agreement It is pre-defined.
  13. 13. the data transmission method of the user equipment according to any one of claim 8 to 12, its feature exists In the second condition includes following any：
    The power of indicated Physical Resource Block or the resource block group including more than two Physical Resource Block More than or equal to default second power threshold；
    The power of indicated Physical Resource Block or the resource block group including more than two Physical Resource Block Less than default second power threshold；
    Reach the default time cycle.
  14. 14. the data transmission method of user equipment according to claim 8, it is characterised in that the reception The resource allocation information that the base station is sent, including：
    Receive the descending control signaling scrambled using V2X-RNTI or SL-RNTI that the base station is sent The resource allocation information of transmission；The V2X-RNTI is the resource that base station sends transmission V2X data The identification information used during assignment messages, sent by the base station beforehand through RRC signaling.
  15. 15. the data transmission method of user equipment according to claim 14, it is characterised in that work as reception During the resource allocation information sent using the descending control signaling of SL-RNTI scramblings, preferentially by the money The resource of source distribution information instruction is used to transmit V2X data；Or according to neighbouring business and V2X industry The priority of business, the resource that the resource allocation information is indicated are used for the higher business of transmission priority Data.
  16. A kind of 16. user equipment, it is characterised in that including：
    Resource pool information acquisition unit, the resource pool for being used to transmit V2X data sent suitable for obtaining base station Information；
    Resource pool probe unit, suitable for when need transmit V2X data when, to the physics in the resource pool Resource block is detected；
    Data transmission unit, suitable for when it is determined that the Physical Resource Block in the resource pool meets first condition, V2X data are transmitted using the Physical Resource Block in the resource pool.
  17. 17. user equipment according to claim 16, it is characterised in that described to be used to transmit V2X data Resource pool it is corresponding with default priority.
  18. 18. user equipment according to claim 17, it is characterised in that the priority is according to resource pool The grades of service of the V2X data that can be transmitted is set, or when transmitting V2X data according to resource pool Propagation delay time set.
  19. 19. user equipment according to claim 17, it is characterised in that the resource pool probe unit is fitted In the resource pool of selection priority corresponding with the V2X data for needing to transmit, and to selected resource Physical Resource Block in pond is detected.
  20. 20. user equipment according to claim 16, it is characterised in that the first condition includes：
    The power on Physical Resource Block in the resource pool is less than corresponding first power threshold, and described first Power threshold corresponds with resource pool.
  21. 21. user equipment according to claim 20, it is characterised in that the first condition also includes：
    What the Physical Resource Block that the power in the resource pool is less than first power threshold can transmit V2X data are more than or equal to the V2X data for needing to transmit.
  22. 22. user equipment according to claim 16, it is characterised in that also include：
    Resource acquisition request unit, V2X numbers can be transmitted suitable for working as not detecting within the default time According to Physical Resource Block when, to the base station send obtain V2X data transmission resources solicited message；
    The data transmission unit, it is further adapted for receiving the resource allocation information that base station is sent, and uses the money Physical Resource Block transmission indicated by source distribution information needs the V2X data transmitted.
  23. 23. user equipment according to claim 22, it is characterised in that
    The resource pool probe unit, it is further adapted for before the resource allocation information that base station is sent is received, receives The measurement configuration message that the base station is sent, and to the Physical Resource Block of the measurement configuration message instruction Detected, the measurement configuration message includes the second condition that indicated Physical Resource Block meets Information；When it is determined that the Physical Resource Block indicated by the measurement configuration message meets the second condition When, measurement report corresponding to generation is simultaneously sent to the base station；V2X data are sent to the base station Buffer status report, to cause the base station to be based on the measurement report and the buffer status report, Resource corresponding to distribution；The buffer status report includes the data for the V2X data that needs transmit Amount.
  24. 24. user equipment according to claim 23, it is characterised in that the buffer status report also wraps Include the information of the grade of service corresponding to the V2X data for needing to transmit.
  25. 25. user equipment according to claim 23, it is characterised in that the buffer status report also wraps Include the information of the transmission control for the V2X data for needing to transmit.
  26. 26. user equipment according to claim 25, it is characterised in that the V2X numbers for needing to transmit According to the information that controls of transmission include needing transmitting the propagation delay times of V2X data, transmission frequency, Transmission reliability and priority wherein at least one.
  27. 27. user equipment according to claim 26, it is characterised in that wrapped in the buffer status report Index information corresponding to the transmission control information for the V2X data for needing to transmit is included, wherein, the V2X Corresponding relation between the transmission control information and index information of data is pre-defined by agreement.
  28. 28. according to the user equipment described in any one of claim 23 to 27, it is characterised in that the Article 2 Part includes following any：
    The power of indicated Physical Resource Block or the resource block group including more than two Physical Resource Block More than or equal to default second power threshold；
    The power of indicated Physical Resource Block or the resource block group including more than two Physical Resource Block Less than default second power threshold；
    Reach the default time cycle.
  29. 29. user equipment according to claim 23, it is characterised in that
    The data transmission unit, suitable for receiving that the base station sends using V2X-RNTI or The resource allocation information that the descending control signaling of SL-RNTI scramblings is sent；The V2X-RNTI is base The identification information used during the resource allocation message for sending transmission V2X data of standing, it is pre- by the base station First pass through RRC signaling transmission.
  30. 30. user equipment according to claim 29, it is characterised in that
    The data transmission unit, suitable for what is sent when reception using the descending control signaling of SL-RNTI scramblings During resource allocation information, the resource for preferentially indicating the resource allocation information is used to transmit V2X numbers According to；Or according to neighbouring business and the priority of V2X business, the resource allocation information is indicated Resource be used for the data of the higher business of transmission priority.
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Application publication date: 20171121