CN107347215B - In the distribution method and terminal of V2X resources in network - Google Patents
In the distribution method and terminal of V2X resources in network Download PDFInfo
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- CN107347215B CN107347215B CN201610299436.4A CN201610299436A CN107347215B CN 107347215 B CN107347215 B CN 107347215B CN 201610299436 A CN201610299436 A CN 201610299436A CN 107347215 B CN107347215 B CN 107347215B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/51—Allocation or scheduling criteria for wireless resources based on terminal or device properties
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Abstract
The present invention relates to a kind of distribution method and terminal in V2X resources in network, terminal reports service period attribute information to base station, so that base station uses the mode of semi-continuous scheduling for the terminal distribution resource according to the service period attribute information；Wherein, the terminal carries the service period attribute information by the control unit using transmission feature report or the media access control layer for extending secondary link buffer status report.Distribution method and terminal provided in an embodiment of the present invention in V2X resources in network, terminal carries service period attribute information by the control unit for the media access control layer reported using transmission feature, so that whether the business of the available UE in base station has periodical and corresponding period distances, the period distances that base station is reported according to UE in this way can use the mode of semi-continuous scheduling to distribute the resource on PC5 mouth for UE, it cost saved the expense of control channel, also reduce the propagation delay time of periodic traffic indirectly.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of distribution methods and terminal in V2X resources in network.
Background technique
V2X (Vehicle to X) i.e. vehicle and extraneous information exchange, are the key that the following intelligent transport system skills
Art.V2X goes through to set up the project in 3GPP RAN#68 meeting, main to study the vehicle data transmission side based on 3GPP communication protocol
Case.V2X communication includes that (vehicle communicates (vehicle with trackside infrastructure-based communication) with Che Tongxin), V2I and V2P communicates (vehicle for V2V communication
It is communicated with pedestrian).The application of V2X will improve drive safety, reduce congestion and energy consumption of vehicles, raising traffic efficiency and vehicle-mounted joy
Happy information etc..
The basic messae type of V2X is divided into collaborative perception message, and (Cooperative Awareness Message, CAM disappear
Breath) and decentralized environment notification information (Decentralized Environmental Notification Message, DENM disappear
Breath).CAM message is used for neighbours' intelligent transportation system (the Intelligent Transport being located within the scope of single-hop communication
System, abbreviation ITS) terminal provides the basic status information of the vehicles such as position, speed, acceleration, the direction of this ITS terminal,
Suitable for scenes such as front vehicles alarm, the close instructions of motorcycle.After all vehicle direct communication node startings, CAM message is big
It can be sent out according to certain period on body.DENM message is used for the generation of notified of specified events, when the particular event of definition
When generation, corresponding DENM message is triggered, before event cancellation, corresponding DENM message will be periodically sent out, and is suitable for
Urgent electric brake lamp alarm, the scenes such as prompt of inversely overtaking other vehicles.
Achievable base station (eNode B) is communicated for secondary link (Sidelink) in current existing 3GPP agreement and passes through auxiliary chain
Road buffer status report (Sidelink Buffer Status Report, Sidelink BSR) knows terminal (UE) at PC5 mouthfuls
The buffer memory of upper business to be sent, but it is unable to get the cyclic attributes of business.V2X is studied based on D2D technology.V2X
Most of business has the feature of periodic broadcast or event triggering finite time periodically broadcast in business.And current 3GPP
The period distances information of agreement UE report cycle business, thus base station can not use properly according to the service period attribute of UE
Scheduling mode distributes resource for UE, so there are the expenses of many unnecessary control resources.Therefore to logical based on 3GPP
In the research for believing the vehicle data transmission scheme of agreement, how to make eNode B using the scheduling mode UE distribution being more suitable for
Resource is urgent problem.
Summary of the invention
The technical problem to be solved by the present invention is to how make base station using the scheduling mode terminal distribution being more suitable for
Resource.
For this purpose, the invention proposes a kind of distribution methods in V2X resources in network, comprising:
Terminal reports service period attribute information to base station, so that base station is used according to the service period attribute information
The mode of semi-continuous scheduling is the terminal distribution resource；
Wherein, the terminal accesses control by the way that the media of secondary link buffer status report are reported or extended using transmission feature
The control unit of preparative layer carries the service period attribute information.
Preferably, the control unit of the media access control layer using transmission feature report carries the service period
Attribute information especially by:
It is taken using the control unit of the media access control layer of the transmission feature report increased newly in media access control layer
With the service period attribute information；The format of the control unit of the media access control layer includes every and target identification rope
Draw the transmission feature in domain and the associated business of logic channel group, the transmission feature includes period distances domain, target identification rope
Draw domain and the corresponding logic channel group identification field of service buffer amount, to carry the service period attribute information.
Preferably, this method further include:
There is newly-built secondary link radio bearer in terminal and be used for transmission V2X business, and the secondary link radio bearer is corresponding
Logic channel on the V2X business that carries have periodically；Alternatively, the corresponding logic channel of established pair link radio bearer
Under the premise of the transmission frequency of the V2X business of upper carrying changes,
If transmission feature reporting process determines, and at least triggers a transmission feature report and be cancelled not yet:
If terminal has the uplink authorization of new data transmission in Preset Transfer time interval, multiplexed combinations entity is notified to generate transmission
Otherwise the control unit of the media access control layer of character report triggers a scheduling request.
Preferably, the control unit of the media access control layer of the transmission feature report is by carrying Logic Channel Identifier
The medium access control layer protocol data cell subheader of value is identified；
Wherein, the corresponding media access control layer of control unit of the media access control layer of newly-increased transmission feature report
The Logic Channel Identifier value of protocol Data Unit subheader is the reserved value of the Logic Channel Identifier of Uplink Shared Channel.
Preferably, the control unit using the media access control layer for extending secondary link buffer status carries the industry
Be engaged in cyclic attributes information especially by:
The control unit for extending the media access control layer of secondary link buffer status report, in the secondary link buffer status
Increase period distances domain in the format of the control unit of the media access control layer of report.
Preferably, this method further include:
There is newly-built secondary link radio bearer in terminal and be used for transmission V2X business, the pair link radio bearer is corresponding
The V2X business carried on logic channel has periodically；Alternatively, on the corresponding logic channel of established pair link radio bearer
Under the premise of the transmission frequency of the V2X business of carrying changes,
If the bit number of uplink authorization, which is more than or equal to, includes all buffer status for having the logic channel group that can pass data
Extension after secondary link buffer status report and the secondary link buffer status report media access control layer subheader ratio
The sum of special number, then terminal reports the secondary link buffer status report after extension, wherein wraps in the pair link buffer status report
Buffer status and cycle information containing all logic channel groups for having and can passing data；Otherwise the reduction pair link after reporting extension is slow
Deposit state report, it is contemplated that the bit number that uplink authorization can carry, the secondary link buffer status report of the abatement have comprising multiple
The buffer status and cycle information of the logic channel group of data can be passed.
Preferably, the control unit of the media access control layer of the secondary link buffer status report and the secondary chain of the reduction
The control unit of the media access control layer of road buffer status report include each target group report associated period distances domain,
Target identification indexes domain, logic channel group identification field and buffer area size field.
Preferably, the period distances domain, is used to indicate service period interval；
For being identified to target, value corresponds to the mesh that target information list is reported in the target identification index domain
Mark serial number；
The logic channel group identification field is for identifying the corresponding logic channel group of buffer state.
Preferably, this method further include: if the same logic channel group mark of same target corresponds to multiple logic channels
Mark, and the corresponding service period interval of the Logic Channel Identifier is different, then the value of period distances is the business week
Period every minimum value.
On the other hand, the present invention also provides a kind of terminals, comprising:
Reporting unit, for reporting service period attribute information to base station, so that base station is according to the service period attribute
Information uses the mode of semi-continuous scheduling for the terminal distribution resource；
Wherein, the reporting unit is connect by the way that the media of secondary link buffer status report are reported or extended using transmission feature
Enter the control unit of control layer to carry the service period attribute information.
Distribution method and terminal provided in an embodiment of the present invention in V2X resources in network, terminal pass through special using transmission
The control unit of the media access control layer of report is levied to carry service period attribute information, so that the industry of the available UE in base station
Whether business has periodically and corresponding period distances, the period distances that such base station is reported according to UE can use semi-continuous tune
The mode of degree carrys out the resource distributed on PC5 mouthfuls (interfaces of direct communication between vehicle and vehicle) for UE, cost saved control
The expense of channel processed also reduces the propagation delay time of periodic traffic indirectly.
Detailed description of the invention
The features and advantages of the present invention will be more clearly understood by referring to the accompanying drawings, and attached drawing is schematically without that should manage
Solution is carries out any restrictions to the present invention, in the accompanying drawings:
Fig. 1 is the flow diagram of the distribution method provided in an embodiment of the present invention in V2X resources in network；
Fig. 2 is the block schematic illustration of terminal provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with attached drawing, embodiments of the present invention is described in detail.
As shown in Figure 1, the embodiment of the invention provides one kind in V2X (Vehicle to X, i.e. vehicle and the friendship of extraneous information
Change) distribution method of resources in network, comprising:
S1: terminal reports service period attribute information to base station, so that base station is according to service period attribute information, using half
The mode of continuous dispatching is terminal distribution resource；
Wherein, terminal passes through the media access control layer using transmission feature report or the secondary link buffer status report of extension
Control unit carry service period attribute information.
Distribution method provided in an embodiment of the present invention in V2X resources in network, terminal using transmission feature by being reported
Or extend the control unit of the media access control layer of secondary link buffer status report and carry service period attribute information, so that
Whether the business of the available UE in base station has a periodical and corresponding period distances, during the week that such base station is reported according to UE
Every the mode of semi-continuous scheduling being used for UE to distribute the money on PC5 mouthfuls (interfaces of direct communication between vehicle and vehicle)
Source cost saved the expense of control channel, also reduce the propagation delay time of periodic traffic indirectly.
Preferably, terminal carries the service period using the control unit of the media access control layer of transmission feature report
Attribute information is realized especially by following manner one:
Mode one: the control list of the media access control layer of the transmission feature report increased newly in media access control layer is utilized
Member carries the service period attribute information；The format of the control unit of the media access control layer includes every and target
The transmission feature in identification index domain and the associated business of logic channel group, the transmission feature include period distances domain, target
Identification index domain and the corresponding logic channel group identification field of service buffer amount, to carry the service period attribute information；
Preferably, terminal carries institute using the control unit for the media access control layer for extending secondary link buffer status report
Service period attribute information is stated to realize especially by following manner two:
Mode two: extending the control unit of the media access control layer of secondary link buffer status report, in the secondary link
Increase period distances domain in the format of the control unit of the media access control layer of buffer status report.
Separately below both modes are unfolded to be described in detail.
Mode one, specifically, by being controlled in the MAC of media access control layer (MAC layer) newly-increased transmission feature report
Unit (MAC CE) processed, and increase the domain period distances (Periodic Interval), target identification index in the MAC CE
The domain (Destination ID index) and the corresponding logic channel group of service buffer amount identify the domain (LCG ID), to realize industry
The cyclic attributes of business are reported to base station, if the business of UE has periodically, UE will report the period distances of the business
To base station, allow base station according to the periodicity of the business to distribute reasonable resource for UE, to avoid the waste of resource.
Transmission feature reporting process is used to provide the transmission feature information for the periodic traffic that UE currently has to base station, should
Transmission feature information mainly includes the identification information of the period distances of the business datum, the business datum, such as the business datum pair
The target identification (ID) answered indexes and the domain the business datum buffer memory corresponding LCG ID.
On the basis of the above embodiments, there is newly-built secondary link radio bearer in terminal and be used for transmission V2X business, and institute
Stating the V2X business carried on the corresponding logic channel of secondary link radio bearer has periodically；Alternatively, it is established pair link without
Under the premise of the transmission frequency that line carries the V2X business carried on corresponding logic channel changes,
If transmission feature reporting process determines, and at least triggers a transmission feature report and be cancelled not yet:
If terminal has the uplink authorization of new data transmission in Preset Transfer time interval, multiplexed combinations entity is notified to generate transmission
Otherwise the control unit of the media access control layer of character report triggers a scheduling request.
Specifically, following event should trigger transmission feature report:
A. it creates a SLRB (Sidelink Radio Bearer, secondary link radio bearer) and is used for transmission V2X business,
The SLRB is one corresponding in PDCP (Packet Data Convergence Protocol Packet Data Convergence Protocol) layer
PDCP entity, and the V2X business carried on corresponding logic channel has periodically.
B. the transmission frequency that the V2X business carried on the logic channel that SLRB is corresponded to has been established changes, i.e. data
Period distances are reached to change.
Also, the corresponding Periodic associated with Destination ID index and LCG ID of the V2X business
Interval needs to be reported to eNB, then triggers newly-increased MAC CE and report.
MAC CE reports process as follows:
If transmission feature reporting process determines, at least triggers a transmission feature report and be cancelled not yet: such as
Fruit UE has the uplink authorization of new data transmission in the Transmission Time Interval (TTI), and notice multiplexed combinations entity generates transmission feature
Report MAC CE；Otherwise, a scheduling request is triggered.
Preferably, the MAC CE of the transmission feature report is accessed by carrying the media of Logic Channel Identifier (LCID) value
Control layer protocol Data Unit (MAC PUD) subheader is identified；
Wherein, the corresponding media access control layer of control unit of the media access control layer of newly-increased transmission feature report
The Logic Channel Identifier value of protocol Data Unit subheader is the reserved value of the Logic Channel Identifier of Uplink Shared Channel.
As shown in table 1, transmission feature report MAC CE is identified by carrying the MAC PDU prefix of LCID, the MAC CE
Should include following domain to the transmission feature of every business associated with Target id and logic channel group with variable-length:
Period distances domain, the field are used to indicate the period distances of business datum；Target id indexes domain, which is used to carry out target
Mark, value correspond to the target sequence number that target information list (destinationInfoList in TS36.331) is reported；It patrols
Channel group identification field is collected, the field is for identifying the corresponding logic channel group of buffer state.
The LCID value that newly-increased transmission characteristic MAC CE corresponds to MAC PDU prefix uses Uplink Shared Channel (UL-SCH)
Reserved value in LCID, such as the value can be 10101, as shown in table 1, but be not restricted to that the value.
The LCID value of table 1UL-SCH
| Index | LCID value |
| 00000 | CCCH |
| 00001-01010 | Identity of the logical channel |
| 01011 | CCCH |
| 01100-10100 | It is reserved |
| 10101 | Transmission characteristic report |
| 10110 | Cut down Sidelink BSR |
| 10111 | Sidelink BSR |
| 11000 | Double-strand connects power headroom reporting (PHR) |
| 11001 | Extended power headroom reporting |
| 11010 | Power headroom reporting (PHR) |
| 11011 | C-RNTI |
| 11100 | Cut down BSR |
| 11101 | Short BSR |
| 11110 | Long BSR |
| 11111 | Filling |
For ease of understanding, table 2 and table 3 give a kind of embodiment of the format of newly-increased transmission feature report MAC CE.
For example, Target id index domain field length is 4 bits, logic channel group ID domain field length is 2 bits, period distances domain field
Length is 4 bits.In addition, R is reserved bit, it is set as " 0 ".
The format of newly-increased MAC CE when table 2N is even number
The format of newly-increased MAC CE when table 3N is odd number
In addition, the domain Periodic Interval is the period distances for being used to indicate business datum, table 4 provides Periodic
Interval parameter value, but be not limited to these values.
Table 4Periodic Interval parameter value
| Index | Periodic Interval parameter value (ms) |
| 0 | N/A |
| 1 | 10 |
| 2 | 20 |
| 3 | 32 |
| 4 | 50 |
| 5 | 100 |
| 6 | 200 |
| 7 | 300 |
| 8 | 400 |
| 9 | 500 |
| 10 | 600 |
| 11 | 700 |
| 12 | 800 |
| 13 | 900 |
| 14 | 1000 |
| 15 | Reserved |
On the basis of the above embodiments, it is preferred that if the same logic channel group mark of same target (Destination)
Know (LCG ID) to correspond to multiple Logic Channel Identifiers (LCID), and the corresponding business of the Logic Channel Identifier (LCID)
Period distances are different, then the value of period distances is the minimum value at the service period interval, that is, take the smallest week of these business
Period is every the value as Periodic Interval.
Mode two, specifically, the control list of the media access control layer of the existing secondary link buffer state report of extension
First (sidelink BSR MAC CE), and increase period distances domain (periodic newly in sidelink BSR MAC CE format
Interval), Lai Shixian V2X service period attribute information reports, which is the period distances for being used to indicate business datum.
Extend secondary link buffer state report (SL BSR, sidelink Buffer Status reporting) process
The Sidelink data bulk and have that the buffer area Sidelink for providing from UE MAC entity to service eNode B is cached
The period distances information of periodic traffic.
On the basis of the above embodiments, it is preferred that there is newly-built secondary link radio bearer in terminal and be used for transmission V2X industry
Business, the V2X business carried on the corresponding logic channel of the pair link radio bearer have periodically；Alternatively, established pair
Under the premise of the transmission frequency of the V2X business carried on the corresponding logic channel of link radio bearer changes,
If the bit number of uplink authorization, which is more than or equal to, includes all buffer status for having the logic channel group that can pass data
Extension after secondary link buffer status report and the secondary link buffer status report media access control layer subheader ratio
The sum of special number, then terminal reports the secondary link buffer status report after extension, wherein wraps in the pair link buffer status report
Buffer status and cycle information containing all logic channel groups for having and can passing data；Otherwise the reduction pair link after reporting extension is slow
Deposit state report, it is contemplated that the bit number that uplink authorization can carry, the secondary link buffer status report of the reduction have comprising multiple
The buffer status and cycle information of the logic channel group of data can be passed.
Specifically, reporting mechanism for extension Sidelink BSR MAC CE, compatible Sidelink BSR triggering reports machine
System, following event should trigger extension SL BSR:
SL BSR trigger condition as defined in 3GPP LTE protocol, including conventional SL BSR (Regular Sidelink
BSR), SL BSR (Padding Sidelink BSR) and period SL BSR (Periodic Sidelink BSR) are filled.
A. it creates a SLRB and is used for transmission V2X business, which all corresponds to a PDCP entity at PDCP layers, and right
The V2X business carried on the logic channel answered has periodically, and such BSR is known as V2X SL BSR.
B. the transmission frequency that the V2X business carried on the logic channel that SLRB is corresponded to has been established changes, i.e. data
It reaches period distances to change, such BSR is known as V2X SL BSR.
Also, the corresponding Periodic associated with Destination ID index and LCG ID of the V2X business
Interval needs to update, then triggers sidelink BSR and report.
Report process as follows conventional SL BSR, period SL BSR and V2X BSR, sidelink BSR:
If the bit number of uplink authorization, which is more than or equal to, includes all buffer status for having the logic channel group that can pass data
Extension after SL BSR and its MAC subheader the sum of bit number, then report extension after Sidelink BSR, the Sidelink
It include all buffer status for having the logic channel group that can pass data in BSR；
Otherwise the reduction Sidelink BSR (Truncated Sidelink BSR) after reporting extension, it is contemplated that uplink is awarded
The bit number that can be carried is weighed, reduction Sidelink BSR includes the caching as much as possible for having the logic channel group that can pass data
State.
It is wherein preferred, the control unit and the reduction of the media access control layer of the pair link buffer status report
During the control unit of the media access control layer of secondary link buffer status report includes each target group report associated week
Every domain, target identification index domain, logic channel group identification field and buffer area size field.I.e. extend after Sidelink BSR and cut
Subtracting Sidelink BSR MAC CE includes that each target group reports associated target identification index (Destination
ID Index) domain, a logic channel group mark domain (LCG ID) and buffer size (Buffer Size) domain, and
The domain a cycle interval (periodic interval).It preferably, should include following domain: target for each target group
Identification index domain, the field are used to identify Target id, and length is 4 bits, and value corresponds in TS36.331
The target sequence number that destinationInfoList is reported.Logic channel group identifies the domain (LCG ID): the field is used to identify this
The corresponding logic channel group of buffer state, length are 2 bits.The domain buffer size (Buffer Size): the field is used to mark
Know after the MAC PDU in current TTI is assembled, all logic channels passes number in the logic channel group of the Target id
According to summation.
Wherein, the SL BSR MAC CE after extension is identified by carrying the MAC PDU subheader of LCID.If after extension
SL BSR MAC CE identified using LCID value used in original SL BSR MAC CE, UE and eNode B can be according to supporting difference
Whether protocol version carrys out the format for the SL BSR MAC CE that regulation uses, or support V2X business function regulation to use according to terminal
Use when SL BSR MAC CE format or eNode B indicate that UE reports SL BSR by RRC information according to UE ability information
SL BSR MAC CE format.If the SL BSR MAC CE after extension is without using LCID used in original SL BSR MAC CE
Value mark, but reserved value in the LCID of UL-SCH is used, for example, original reduction Sidelink BSR and Sidelink BSR
10110 and 10111 are used respectively, and the reduction Sidelink BSR and extension Sidelink BSR that extend use reserved value respectively
Such as 10100 and 10101, as shown in table 5, but it is not limited to the two values.
The LCID value of table 5UL-SCH
| Index | LCID value |
| 00000 | CCCH |
| 00001-01010 | Identity of the logical channel |
| 01011 | CCCH |
| 01100-10011 | It is reserved |
| 10100 | Sidelink BSR is cut down in extension |
| 10101 | Extend Sidelink BSR |
| 10110 | Cut down Sidelink BSR |
| 10111 | Sidelink BSR |
| 11000 | Double-strand connects power headroom reporting (PHR) |
| 11001 | Extended power headroom reporting |
| 11010 | Power headroom reporting (PHR) |
| 11011 | C-RNTI |
| 11100 | Cut down BSR |
| 11101 | Short BSR |
| 11110 | Long BSR |
| 11111 | Filling |
A kind of embodiment of SL BSR MAC CE format after extension is given below.With period distances domain (periodic
Interval) the extension Sidelink BSR MAC CE format provided for 4bit, as shown in table 6 below.
Table 6 extends Sidelink BSR MAC CE format
If the same LCG ID of same Destination corresponds to multiple LCID, and these LCID corresponding business week
Period when different, takes value of the smallest period distances of these business as period distances Periodic Interval.
On the other hand, as shown in Fig. 2, the embodiment of the invention also provides a kind of terminal, which uses above-described embodiment
The distribution method of provided V2X resources in network, the terminal 2 include: reporting unit 21；
Reporting unit 21 is used to report service period attribute information to base station, so that base station is according to the service period attribute
Information uses the mode of semi-continuous scheduling for the terminal distribution resource；Wherein, the reporting unit 21 passes through special using transmission
The control unit of the media access control layer of secondary link buffer status report is reported or extended to sign to carry the service period category
Property information.
Terminal provided in an embodiment of the present invention passes through the control unit of the media access control layer using transmission feature report
Service period attribute information is carried, so that whether the business of the available UE in base station has periodically and during corresponding week
Every the period distances that such base station is reported according to UE can use the mode of semi-continuous scheduling to distribute the money on PC5 mouth for UE
Source cost saved the expense of control channel, also reduce the propagation delay time of periodic traffic indirectly.
Although the embodiments of the invention are described in conjunction with the attached drawings, but those skilled in the art can not depart from this hair
Various modifications and variations are made in the case where bright spirit and scope, such modifications and variations are each fallen within by appended claims
Within limited range.
Claims (9)
1. a kind of distribution method in V2X resources in network characterized by comprising
Terminal reports service period attribute information to base station, so that base station is according to the service period attribute information, using partly holding
The mode of continuous scheduling is the terminal distribution resource；
Wherein, the terminal passes through the media access control layer using transmission feature report or the secondary link buffer status report of extension
Control unit carry the service period attribute information；
The control unit of the media access control layer using transmission feature report, which carries the service period attribute information, to be had
Body passes through:
The control unit for the media access control layer reported using the transmission feature increased newly in media access control layer is to carry
State service period attribute information；The format of the control unit of the media access control layer includes every and indexes domain with target identification
With the transmission feature of the associated business of logic channel group, the transmission feature includes period distances domain, target identification index domain
Logic channel group identification field corresponding with service buffer amount, to carry the service period attribute information.
2. a kind of distribution method in V2X resources in network according to claim 1, which is characterized in that further include:
There is newly-built secondary link radio bearer in terminal and be used for transmission V2X business, and the secondary link radio bearer is corresponding patrols
Collecting the V2X business carried on channel has periodically；Alternatively, being held on the corresponding logic channel of established pair link radio bearer
Under the premise of the transmission frequency of the V2X business of load changes,
If transmission feature reporting process determines, and at least triggers a transmission feature report and be cancelled not yet: if
Terminal has the uplink authorization of new data transmission in Preset Transfer time interval, then multiplexed combinations entity is notified to generate transmission feature
Otherwise the control unit of the media access control layer of report triggers a scheduling request.
3. a kind of distribution method in V2X resources in network according to claim 2, which is characterized in that the transmission is special
The control unit for levying the media access control layer of report passes through the medium access control layer protocol number of carrying Logic Channel Identifier value
It is identified according to unit subheader；
Wherein, the corresponding medium access control layer protocol of control unit of the media access control layer of newly-increased transmission feature report
The Logic Channel Identifier value of data cell subheader is the reserved value of the Logic Channel Identifier of Uplink Shared Channel.
4. a kind of distribution method in V2X resources in network according to claim 1, which is characterized in that described to utilize expansion
The control unit for opening up the media access control layer of secondary link buffer status report carries the service period attribute information and specifically leads to
It crosses:
The control unit for extending the media access control layer of secondary link buffer status report, in the secondary link buffer status report
Media access control layer control unit format in increase period distances domain.
5. a kind of distribution method in V2X resources in network according to claim 4, which is characterized in that further include:
There is newly-built secondary link radio bearer in terminal and is used for transmission V2X business, the corresponding logic of the pair link radio bearer
The V2X business carried on channel has periodically；Alternatively, being carried on the corresponding logic channel of established pair link radio bearer
V2X business transmission frequency change under the premise of,
If the bit number of uplink authorization is more than or equal to the expansion comprising all buffer status for having the logic channel group that can pass data
The bit number of the media access control layer subheader of secondary link buffer status report and the secondary link buffer status report after exhibition
The sum of, then terminal reports the secondary link buffer status report after extension, wherein includes institute in the pair link buffer status report
There are the buffer status and cycle information of the logic channel group that can pass data；Otherwise the reduction pair link caching shape after reporting extension
State report, it is contemplated that the bit number that uplink authorization can carry, the secondary link buffer status report of the reduction have and can pass comprising multiple
The buffer status and cycle information of the logic channel group of data.
6. a kind of distribution method in V2X resources in network according to claim 5, which is characterized in that the pair link
The control unit of the media access control layer of buffer status report and the media access for cutting down secondary link buffer status report
The control unit of control layer includes that each target group reports associated period distances domain, target identification index domain, logic channel
Group identification field and buffer area size field.
7. a kind of distribution method in V2X resources in network according to claim 1 or 6, which is characterized in that
The period distances domain, is used to indicate service period interval；
For being identified to target, value corresponds to the target sequence that target information list is reported in the target identification index domain
Number；
The logic channel group identification field is for identifying the corresponding logic channel group of buffer state.
8. a kind of distribution method in V2X resources in network according to claim 1 or 6, which is characterized in that further include:
If the same logic channel group mark of same target corresponds to multiple Logic Channel Identifiers, and the Logic Channel Identifier is corresponding
The service period interval is different, then the value of period distances is the minimum value at the service period interval.
9. a kind of terminal characterized by comprising
Reporting unit, for reporting service period attribute information to base station, so that base station is according to the service period attribute information,
Use the mode of semi-continuous scheduling for the terminal distribution resource；
Wherein, the reporting unit accesses control by the way that the media of secondary link buffer status report are reported or extended using transmission feature
The control unit of preparative layer carries the service period attribute information；
The control unit of the media access control layer using transmission feature report, which carries the service period attribute information, to be had
Body passes through:
The control unit for the media access control layer reported using the transmission feature increased newly in media access control layer is to carry
State service period attribute information；The format of the control unit of the media access control layer includes every and indexes domain with target identification
With the transmission feature of the associated business of logic channel group, the transmission feature includes period distances domain, target identification index domain
Logic channel group identification field corresponding with service buffer amount, to carry the service period attribute information.
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