CN106788918A - HARQ collocation methods, feedback method, base station and user equipment - Google Patents
HARQ collocation methods, feedback method, base station and user equipment Download PDFInfo
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- CN106788918A CN106788918A CN201611270753.XA CN201611270753A CN106788918A CN 106788918 A CN106788918 A CN 106788918A CN 201611270753 A CN201611270753 A CN 201611270753A CN 106788918 A CN106788918 A CN 106788918A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1887—Scheduling and prioritising arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1896—ARQ related signaling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
A kind of HARQ collocation methods, feedback method, base station and user equipment, the collocation method include：Send configured information to indicate basic confirmation information transfer channel to user equipment；Wherein：The basic confirmation information transfer channel is suitable to user equipment feedback basic confirmation information, and the basic confirmation information includes：In ACK or NACK any one；Transmission includes the data of multiple code blocks to the user equipment；When the basic confirmation information including NACK is received, extension NACK authorization messages to the user equipment are sent；Wherein：The extension NACK authorization messages are suitable to indicate that the user device transmissions extend the channel of NACK；Receive extension NACK of the user equipment according to the instruction transmission of the extension NACK authorization messages；Wherein：The extension NACK includes：The code block information of mistake；The code block of retransmission error is to the user equipment.The utilization rate of the communication resource can be improved using such scheme.
Description
Technical field
Set the present invention relates to communication technical field, more particularly to a kind of HARQ collocation methods, feedback method, base station and user
It is standby.
Background technology
For enhancing mobile broadband (enhanced-Mobile Broadband, eMBB) business of the big bandwidth of 5G two-forties,
Transmitting uplink data uses the coding staff of low density parity check code (Low Density Parity Check Code, LDPC)
Formula, the peak rate of transmitting uplink data is up to 15Gbps, now data transfer each transmission block (Transport Block,
TB) larger, the number of code block (Code Blocks, CBs) is also likely to be the several times of LTE communication in each TB block, therefore according to
Hybrid automatic repeat-request (Hybrid Automatic Repeat Request, the HARQ) feedback of the single-bit (Bit) of LTE
ACK/NACK schemes, channel status is bad cause user equipment (User Equipment, UE) decoding data mistake when, need
Whole TB blocks are retransmitted, now data throughout and spectrum efficiency all will degradations.
To improve data throughout, in the scheme of 5G systems is discussed, for the eMBB business towards high bandwidth and high speed, carry
HARQ feedback scheme of the research using many Bit, i.e. base station are gone out for HARQ feedback reserves enough physical uplink link control letters
Road (Physical Uplink Control Channel, PUCCH) transfer resource, when UE decoding data mistakes, UE sends detailed
Thin HARQ feedback information is to base station；When UE decoding datas are correct, UE only needs feeding back ACK.
But, the collocation method of above-mentioned HARQ may cause the waste of the communication resource, and resource utilization is low.
The content of the invention
The problem that the present invention is solved is how to improve the utilization rate of the communication resource.
To solve the above problems, a kind of collocation method of HARQ is the embodiment of the invention provides, methods described includes：Xiang Yong
Family equipment sends configured information to indicate basic confirmation information transfer channel；Wherein：The basic confirmation information transfer channel is fitted
Basic confirmation information is fed back in the user equipment, the basic confirmation information includes：In ACK or NACK any one；Transmission
Data including multiple code blocks are to the user equipment；When receiving the basic confirmation including NACK from the user equipment
During information, extension NACK authorization messages to the user equipment are sent；Wherein：The extension NACK authorization messages are suitable to indicate that institute
State the channel resource that user device transmissions extend NACK；Receive finger of the user equipment according to the extension NACK authorization messages
Show the extension NACK of transmission；Wherein：The extension NACK includes：The code block information of mistake；The code block of retransmission error is to the use
Family equipment.
Alternatively, the channel resource of the user device transmissions extension NACK passes through Downlink Control Information dynamic dispatching.
Alternatively, the extension NACK also includes：Link quality information.
Alternatively, the code block of the retransmission error is to the user equipment, including：According to the link quality information, choosing
Select physical resource and corresponding data code modulation mode；The mistake is encoded according to selected data code modulation mode
Code block；The wrong code block to the user equipment is retransmitted using selected physical resource.
Alternatively, sending configured information before indicating basic confirmation information transfer channel, also to include to user equipment：
Judge current type of traffic；It is determined that current type of traffic is eMBB business.
Alternatively, methods described also includes：It is determined that current type of traffic is URLLC business；Distribute fixed thing
Manage uplink control channel resource to user equipment；Wherein：The physical uplink control channel resource of the fixation is suitable to
The user device transmissions confirmation, the confirmation includes：In ACK or NACK any one, the NACK includes：
The code block information of mistake；Transmission includes the data of multiple code blocks to the user equipment；When receiving from the user equipment
The confirmation including NACK when, retransmit the code block of the mistake to the user equipment.
Alternatively, fixed physical uplink control channel resource to user equipment is distributed by wireless heterogeneous networks.
Alternatively, basic confirmation information transfer channel is indicated by Downlink Control Information.
A kind of feedback method of HARQ is the embodiment of the invention provides, methods described includes：Receive from the basic of base station
The configured information of confirmation transmission channel；Reception includes the data of multiple code blocks；The decoding data for including multiple code blocks,
When all code blocks of the data cannot be correctly decoded, include NACK's by the basic confirmation information transfer transmission
Basic confirmation information is to the base station；Receive extension NACK authorization messages；By indicated by the extension NACK authorization messages
Channel resource transmitting extended NACK；Wherein：The extension NACK includes：The code block information of mistake；Receive what is retransmitted from base station
The code block of mistake.
Alternatively, methods described also includes：When all code blocks of the data are correctly decoded, by the basic confirmation
The basic confirmation information of information transfer transmission including ACK is to the base station.
A kind of base station is the embodiment of the invention provides, the base station includes：Indicating member, is suitable to refer to user equipment transmission
Show information to indicate basic confirmation information transfer channel；Wherein：The basic confirmation information transfer channel is suitable to the user and sets
Standby feedback basic confirmation information, the basic confirmation information includes：In ACK or NACK any one；Data transmission unit, is suitable to
Transmission includes the data of multiple code blocks to the user equipment；Granted unit, is suitable to receive from the user equipment
During basic confirmation information including NACK, extension NACK authorization messages to the user equipment are sent；Wherein：The extension NACK
Authorization message is suitable to indicate that the user device transmissions extend the channel resource of NACK；Receiving unit, is suitable to receive the user
The extension NACK that equipment is transmitted according to the instruction of the extension NACK authorization messages；Wherein：The extension NACK includes：Mistake
Code block information；Retransmission unit, is suitable to the code block of retransmission error to the user equipment.
Alternatively, the channel resource of the user device transmissions extension NACK passes through Downlink Control Information dynamic dispatching.
Alternatively, the extension NACK also includes：Link quality information.
Alternatively, the retransmission unit, is suitable to, according to the link quality information, select physical resource and corresponding data
Code modulation mode；The code block of the mistake is encoded according to selected data code modulation mode；Using selected physics
Resource retransmits the wrong code block to the user equipment.
Alternatively, the base station also includes：Judging unit, is suitable to sending configured information to indicate substantially to user equipment
Before confirmation transmission channel, current type of traffic is judged；And determine that current type of traffic is eMBB industry
Business.
Alternatively, the judging unit, is further adapted for determining that current type of traffic is URLLC business；The base station
Also include dispensing unit, the dispensing unit is suitable to the fixed physical uplink control channel resource of distribution to user equipment；
Wherein：The physical uplink control channel resource of the fixation is suitable to the user device transmissions confirmation, the confirmation
Information includes：In ACK or NACK any one, the NACK includes：The code block information of mistake；Being further adapted for transmission includes multiple
The data of code block are to the user equipment；It is further adapted for working as and receives the confirmation including NACK from the user equipment
When, retransmit the wrong code block to the user equipment.
Alternatively, the physical uplink link that the dispensing unit is suitable to distribute the fixation by wireless heterogeneous networks is controlled
Channel resource is to user equipment.
Alternatively, the indicating member is suitable to indicate the basic confirmation information transfer channel by Downlink Control Information.
A kind of user equipment is the embodiment of the invention provides, the user equipment includes：Configured information receiving unit, is suitable to
Receive the configured information of the basic confirmation information transfer channel from base station；Data receipt unit, being suitable to receive includes multiple codes
The data of block；Decoding unit, is suitable to the decoding data for including multiple code blocks, when cannot be correctly decoded all of the data
During code block, by basic confirmation information of the basic confirmation information transfer transmission including NACK to the base station；Authorize
Receiving unit, is suitable to receive extension NACK authorization messages；Extension NACK transmission units, are suitable to be authorized by the extension NACK and believed
The indicated channel resource transmitting extended NACK of breath；Wherein：The extension NACK includes：The code block information of mistake；Error code is received
Unit, is suitable to receive the wrong code block retransmitted from base station.
Alternatively, the decoding unit, is further adapted for when all code blocks of the data are correctly decoded, by described basic
The basic confirmation information of confirmation transmission channel including ACK is to the base station.
Compared with prior art, technical scheme has advantages below：
Above-mentioned scheme, base station indicates to be suitable to the basic confirmation of any one in user device transmissions ACK or NACK first
Information transfer channel, and then when the basic confirmation information including NACK from the user equipment is received, then indicate described
User device transmissions extend the channel resource of NACK, and according to the extension NACK, and simply the code block of retransmission error is set to user
It is standby, therefore base station need not be physical uplink link control letter of the reserved more multiple resource of HARQ feedback to transmit NACK and extend NACK
Road, therefore the utilization rate of the communication resource can be improved.
Further, because the channel resource of user device transmissions extension NACK can dynamically be adjusted by Downlink Control Information
Degree, therefore the channel resource can be accordingly dispatched according to present channel service condition and quality condition, therefore HARQ can be improved
The flexibility of feedback and efficiency.
Further, because the extension NACK can also include link quality information, therefore base station can be according to the link
Quality information, selects physical resource and corresponding data code modulation mode, and then according to selected data code modulation side
The code block of the formula coding mistake, and the code block of the mistake is retransmitted to the user equipment using selected physical resource,
Therefore the efficiency that the code block of mistake is retransmitted can be improved.
Further, because base station can also judge current type of traffic, it is determined that current type of traffic
During for eMBB business, configured information is sent to indicate basic confirmation information transfer channel to user equipment, and it is determined that current
When type of traffic is URLLC business, because URLLC is high to delay requirement, then fixed physical uplink link control is distributed
Channel resource is to user equipment, that is to say, that base station can be according to the feedback of current type of traffic flexible configuration HARQ
Method, therefore the flexibility of the configuration of HARQ can be improved, and then improve the utilization rate of the communication resource.
Brief description of the drawings
Fig. 1 is the process schematic of a kind of HARQ configurations and feedback in the prior art；
Fig. 2 is a kind of schematic flow sheet of the collocation method of the HARQ in the embodiment of the present invention；
Fig. 3 is a kind of structural representation of the extension NACK and NACK in the embodiment of the present invention；
Fig. 4 is a kind of schematic flow sheet of the feedback method of the HARQ in the embodiment of the present invention；
Fig. 5 is a kind of schematic flow sheet of the transmitting procedure of HARQ of the embodiment of the present invention；
Fig. 6 is temporal relationship schematic diagram corresponding with Fig. 5；
Fig. 7 is a kind of structural representation of the base station in the embodiment of the present invention；
Fig. 8 is a kind of structural representation of the user equipment in the embodiment of the present invention.
Specific embodiment
Fig. 1 shows the process schematic of a kind of HARQ configurations and feedback in the prior art, and at present, base station passes through thing first
Reason down control channel (Physical Downlink Control Channel, PDCCH) scheduling it is fixed be used to transmit confirmation
The data resource of information, and then base station is in downlink physical DSCH Downlink Shared Channel (Physical Downlink Shared
Channel, PDSCH) transmission data, the confirmation including ACK or NACK corresponding to the data of PDSCH transmission is fixed
Physical uplink control channel (Physical Uplink Control Channel, PUCCH) or Physical Uplink Shared Channel
Sent on (Physical Uplink Shared Channel, PUSCH).When UE decoding data mistakes, UE sends detailed
Nack message is to base station.And in LTE system, in order to avoid with system information, multicast/multicast single-frequency network network
(Multimedia Broadcast Multicast Service Single Frequency Network, MBSFN) subframe it
The transmission of class produces conflict or overlaps, and data retransmit the optional position being likely to occur on any time and frequency domain, therefore descending
HARQ feedback uses asynchronous (asynchronous) or the mode of self adaptation (adaptive).That is, descending re-transmission is always
Rescheduled by PDCCH by base station.When base station receives NACK, retransmitted by PDCCH dispatching downlinks.UE receives base station
The data of re-transmission, decode again, and according to decoding correctness, feed back includes the confirmation of ACK or NACK again, not
It is disconnected to repeat whole above-mentioned flow.
Therefore, the collocation method of current HARQ, due to when UE can be correctly decoded data, simply using the fixation
PUCCH transmission ACK, therefore there is a problem of that the waste of the communication resource and resource utilization are low.
To solve the above problems, the base station in the embodiment of the present invention indicates to be suitable to user device transmissions ACK or NACK first
In the basic confirmation information transfer channel of any one, and then receiving from the user equipment including the substantially true of NACK
When recognizing information, then indicate the user device transmissions to extend the channel resource of NACK, and according to the extension NACK, simply retransmit
The code block of mistake is to user equipment, therefore base station need not be for HARQ feedback reserved transmission NACK enough and extension NACK physically
Uplink Control Channel, therefore the utilization rate of the communication resource can be improved.
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 to the present invention
Specific embodiment be described in detail.
Fig. 2 shows a kind of collocation method of the HARQ in the embodiment of the present invention, and methods described is carried out below with reference to Fig. 2
It is discussed in detail step by step, methods described may include steps of：
Step S21：Send configured information to indicate basic confirmation information transfer channel to user equipment.
It should be noted that the basic confirmation information transfer channel is suitable to the user equipment feedback basic confirmation letter
Breath.The basic confirmation information can include：In ACK or NACK any one.In other words, the basic confirmation information or bag
ACK is included, or including NACK.And NACK sizes are 1bit, this size is alternatively referred to as basic NACK for the NACK of 1bit
Or single-bit (bit) NACK, this size is that, to signals base, the base station sends the correspondence of data for the NACK of 1bit
UE does not correctly decode whole data completely.
In specific implementation, before performing step S21, current type of traffic can also be judged, such as determine to work as
Preceding type of traffic is eMBB business, just performs step S21.
In specific implementation, can be referred to by Downlink Control Information (Downlink Control Information, DCI)
Show basic confirmation information transfer channel.
Step S22：Transmission includes the data of multiple code blocks to the user equipment.
Step S23：When the basic confirmation information including NACK from the user equipment is received, extension is sent
NACK authorization messages are to the user equipment.
In specific implementation, the extension NACK authorization messages may be adapted to indicate the user device transmissions extension NACK
Channel resource.
In order to improve the flexibility of communication resource configuration, in an embodiment of the present invention, the user device transmissions extension
The channel resource of NACK can be by Downlink Control Information dynamic dispatching.
In specific implementation, when the basic confirmation information including NACK from the user equipment is received, in order to
Know detailed error code information, i.e., specific which block code block is not correctly decoded by UE, can send extension NACK authorization messages extremely
The user equipment.
Fig. 3 shows a kind of structural representation of the extension NACK and NACK in the embodiment of the present invention, as shown in figure 3, institute
Extension NACK is stated, is the NACK of 1bit relative to size, it is also possible to be known as many bits (bit) NACK.Extension NACK can be wrapped
Include：The code block information of mistake.Such as, whole data TB blocks are made up of multiple code blocks, and the multiple code block is respectively CB1、CB2、
CB3、CB4…CBN, wherein code block CBn-1、CBnAnd CBn+1It is not correctly decoded by UE, then extending NACK sizes can include multiple ratio
Spy, the multiple bit is specifically as follows 11 ... 000 ... 11.Can then include code block CB in extension NACKn-1、CBnAnd CBn+1
Information, with signals base code block CBn-1, CBn and CBn+1, these three code blocks are not correctly decoded.And NACK sizes are 1 ratio
Spy, the bit can be 0, and NACK is have partial code block not to be correctly decoded in signals base data.
In specific implementation, in addition to the code block information of mistake, the extension NACK can also include：Link-quality is believed
Breath.
Step S24：Receive extension NACK of the user equipment according to the instruction transmission of the extension NACK authorization messages.
Step S25：The code block of retransmission error is to the user equipment.
In specific implementation, because extension NACK includes the code block information of mistake, therefore base station can be retransmission error
Code block to the user equipment, without retransmitting whole data or TB blocks, therefore the efficiency of data transfer can be improved.
In specific implementation, in code block to the user equipment of retransmission error, can also utilize and extend the interior of NACK
Hold, according to the link quality information, physical resource and corresponding data code modulation mode are selected, then according to selected
Data code modulation mode encodes the code block of the mistake, and the wrong code block to institute is retransmitted using selected physical resource
State user equipment.Therefore the efficiency that the code block of mistake is retransmitted can be improved.
At present, enough PUCCH transfer resources are reserved for HARQ feedback in base station, and when UE decoding data mistakes, UE sends
Detailed HARQ feedback information is to base station；When UE decoding datas are correct, UE only needs feeding back ACK.There is communication and provide in the program
The waste in source and the low problem of resource utilization.
And the base station in the embodiment of the present invention indicates to be suitable to the base of any one in user device transmissions ACK or NACK first
This confirmation transmission channel, and then when the basic confirmation information including NACK from the user equipment is received, then refer to
Show that the user device transmissions extend the channel resource of NACK, and according to the extension NACK, simply the code block of retransmission error is extremely
User equipment, therefore base station need not be the physical uplink link control letter of HARQ feedback reserved transmission NACK enough and extension NACK
Road, therefore the utilization rate of the communication resource can be improved.
In specific implementation, before performing step S21, base station is when current type of traffic is judged, however, it is determined that
Current type of traffic is highly reliable low time delay communication (Ultra-Reliable Low latency
Communication, URLLC) business, and URLLC business is higher to delay requirement, can distribute fixed physical uplink chain
Road control channel resource is to user equipment, and then transmission includes that the data of multiple code blocks, to the user equipment, are come when receiving
From the confirmation including NACK of the user equipment when, retransmit the code block of the mistake to the user equipment.Wherein：Institute
State fixed physical uplink control channel resource and be suitable to the user device transmissions confirmation, the confirmation bag
Include：In ACK or NACK any one, the NACK includes：The code block information of mistake.
In specific implementation, fixed physical uplink control channel resource can be distributed extremely by wireless heterogeneous networks
User equipment.
To cause that those skilled in the art more fully understand and realize the present invention, Fig. 4 shows a kind of feedback side of HARQ
Method, as shown in figure 4, the feedback method may include steps of：
Step S41：Receive the configured information of the basic confirmation information transfer channel from base station.
Step S42：Reception includes the data of multiple code blocks.
Step S43：The decoding data for including multiple code blocks, when all code blocks that cannot be correctly decoded the data
When, by basic confirmation information of the basic confirmation information transfer transmission including NACK to the base station.
Step S44：Receive extension NACK authorization messages.
Step S45：By the channel resource transmitting extended NACK indicated by the extension NACK authorization messages.
In specific implementation, the extension NACK includes：The code block information of mistake.
Step S46：Receive the wrong code block retransmitted from base station.
In specific implementation, the feedback method can also include：When all code blocks of the data are correctly decoded, lead to
Cross basic confirmation information of the basic confirmation information transfer transmission including ACK to the base station.
To cause that those skilled in the art more fully understand and realize the present invention, Fig. 5 shows that the embodiment of the present invention is a kind of
The transmitting procedure of HARQ, Fig. 6 shows timing relationship corresponding with Fig. 5, with reference to Fig. 5 and Fig. 6, the configuration to whole HARQ
And process of feedback is described in detail：
Fixed NR-PUCCH resources are distributed to UE in base station by PDCCH first, and the NR-PUCCH resources of the fixation are used
Basic ACK or NACK is fed back in UE, so-called basic NACK is to represent that the NACK sizes are only 1bit, and simply signals base should
UE is not correctly decoded whole data completely.Then base station sends initial data to UE by PDSCH.
For UE, when the data decoding for receiving is all correct, directly using PUSCH or NR-PUCCH resources feedback
ACK.When data decode failure, basic NACK is fed back using reserved NR-PUCCH resources or PUSCH.Specifically,
During without uplink scheduling, using PUCCH feedback ACK/NACK, when having uplink scheduling, PUSCH feeding back ACKs/NACK is used.
For base station, when basic NACK is received, base station can distribute NR-PUCCH resources or implicit money by DCI
For transmitting the details of the NACK, that is, extension NACK corresponding with the basic NACK, extension NACK can in source
(Channel Quality are indicated with the information of the code block including mistake, channel status (Error Bit map), channel quality
Indicator, CQI), PMI and order instruction (rank indication, RI) etc..
For UE, the NR-PUCCH resources or implicit resource that can be distributed by base station transmit the extension NACK.In detail
Carefully say, if channel is without uplink scheduling, it is possible to use PUCCH is replied or transmission ACK/NACK, if channel has up tune
Degree, it is possible to use PUSCH is replied or transmission ACK/NACK.
For base station, after extension NACK is received, the extension NACK that base station can be reported according to user equipment is only weighed
The code block of mistake is passed, and selects appropriate physical resource and the corresponding code modulation mode to carry out the hair of the wrong code block
Send.
To cause those skilled in the art to more fully understand and realizing the present invention, Fig. 7 is shown in the embodiment of the present invention
A kind of base station, the base station can include：Indicating member 61, data transmission unit 62, granted unit 63, receiving unit 64 and weight
Leaflet unit 65, wherein：
Indicating member 61, is suitable to send configured information to indicate basic confirmation information transfer channel to user equipment；Wherein：
The basic confirmation information transfer channel is suitable to the user equipment feedback basic confirmation information, the basic confirmation packet
Include：In ACK or NACK any one；
Data transmission unit 62, is suitable to transmit the data for including multiple code blocks to the user equipment；
Granted unit 63, is suitable to when the basic confirmation information including NACK from the user equipment is received, hair
Send extension NACK authorization messages to the user equipment；Wherein：The extension NACK authorization messages are suitable to indicate that the user sets
The channel resource of standby transmitting extended NACK；
Receiving unit 64, is suitable to receive expansion of the user equipment according to the instruction transmission of the extension NACK authorization messages
Exhibition NACK；Wherein：The extension NACK includes：The code block information of mistake；
Retransmission unit 65, is suitable to the code block of retransmission error to the user equipment.
In specific implementation, the channel resource of the user device transmissions extension NACK is dynamically adjusted by Downlink Control Information
Degree.
In specific implementation, the extension NACK can also include：Link quality information.
In specific implementation, the retransmission unit 65 is suitable to, according to the link quality information, select physical resource and phase
The data code modulation mode answered；The code block of the mistake is encoded according to selected data code modulation mode；Using selected
The physical resource selected retransmits the wrong code block to the user equipment.
In specific implementation, the base station can also include：Judging unit 66, is suitable to sending instruction letter to user equipment
Cease before indicating basic confirmation information transfer channel, to judge current type of traffic；And determine current communication service
Type is eMBB business.
In specific implementation, the judging unit 66 is further adapted for determining that current type of traffic is URLLC business；
The base station also includes：Dispensing unit 67, the dispensing unit 67 is suitable to the fixed physical uplink control channel money of distribution
Source is to user equipment；Wherein：The physical uplink control channel resource of the fixation is suitable to the user device transmissions and confirms
Information, the confirmation includes：In ACK or NACK any one, the NACK includes：The code block information of mistake；Also fit
Include the data of multiple code blocks to the user equipment in transmission；It is further adapted for working as and receives including from the user equipment
During the confirmation of NACK, the wrong code block to the user equipment is retransmitted.
In specific implementation, the dispensing unit 67 is suitable to be distributed by wireless heterogeneous networks the physical uplink of the fixation
Link control channel resource is to user equipment.
In specific implementation, the indicating member 61 is suitable to indicate the basic confirmation information to pass by Downlink Control Information
Defeated channel.
To cause those skilled in the art to more fully understand and realizing the present invention, Fig. 8 is shown in the embodiment of the present invention
A kind of user equipment, as shown in figure 8, the user equipment can include：Configured information receiving unit 71, data receipt unit
72nd, decoding unit 73, mandate receiving unit 74, extension NACK transmission units 75 and error code receiving unit 76, wherein：
Configured information receiving unit 71, is suitable to receive the configured information of the basic confirmation information transfer channel from base station；
Data receipt unit 72, is suitable to receive the data for including multiple code blocks；
Decoding unit 73, is suitable to the decoding data for including multiple code blocks, when the institute that cannot be correctly decoded the data
When having code block, by basic confirmation information of the basic confirmation information transfer transmission including NACK to the base station；
Receiving unit 74 is authorized, is suitable to receive extension NACK authorization messages；
Extension NACK transmission units 75, are suitable to be transmitted by the channel resource indicated by the extension NACK authorization messages and expanded
Exhibition NACK；Wherein：The extension NACK includes：The code block information of mistake；
Error code receiving unit 76, is suitable to receive the wrong code block retransmitted from base station.
In specific implementation, the decoding unit 73 is further adapted for, when all code blocks of the data are correctly decoded, passing through
The basic confirmation information of the basic confirmation information transfer transmission including ACK is to the base station.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can
Completed with instructing the hardware of correlation by program, the program can be stored in computer-readable recording medium, to store
Medium can include：ROM, RAM, disk or CD etc..
Although present disclosure is as above, the present invention is not limited to this.Any those skilled in the art, are not departing from this
In the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
The scope of restriction is defined.
Claims (20)
1. a kind of collocation method of HARQ, it is characterised in that including：
Send configured information to indicate basic confirmation information transfer channel to user equipment；Wherein：The basic confirmation information is passed
Defeated channel is suitable to the user equipment feedback basic confirmation information, and the basic confirmation information includes：It is any one in ACK or NACK
It is individual；
Transmission includes the data of multiple code blocks to the user equipment；
When the basic confirmation information including NACK from the user equipment is received, extension NACK authorization messages are sent extremely
The user equipment；Wherein：The extension NACK authorization messages are suitable to indicate that the user device transmissions extend the channel of NACK
Resource；
Receive extension NACK of the user equipment according to the instruction transmission of the extension NACK authorization messages；
Wherein：The extension NACK includes：The code block information of mistake；
The code block of retransmission error is to the user equipment.
2. the collocation method of HARQ as claimed in claim 1, it is characterised in that the user device transmissions extend the letter of NACK
Road resource passes through Downlink Control Information dynamic dispatching.
3. the collocation method of HARQ as claimed in claim 1, it is characterised in that the extension NACK also includes：Link-quality
Information.
4. the collocation method of HARQ as claimed in claim 3, it is characterised in that the code block of the retransmission error to the user
Equipment, including：
According to the link quality information, physical resource and corresponding data code modulation mode are selected；
The code block of the mistake is encoded according to selected data code modulation mode；
The wrong code block to the user equipment is retransmitted using selected physical resource.
5. the collocation method of HARQ as claimed in claim 1, it is characterised in that sending configured information to refer to user equipment
Before showing basic confirmation information transfer channel, also include：
Judge current type of traffic；
It is determined that current type of traffic is eMBB business.
6. the collocation method of HARQ as claimed in claim 5, it is characterised in that also include：
It is determined that current type of traffic is URLLC business；
Distribute fixed physical uplink control channel resource to user equipment；Wherein：The physical uplink link of the fixation
Control channel resource is suitable to the user device transmissions confirmation, and the confirmation includes：It is any one in ACK or NACK
Individual, the NACK includes：The code block information of mistake；
Transmission includes the data of multiple code blocks to the user equipment；
When the confirmation including NACK from the user equipment is received, the wrong code block to the use is retransmitted
Family equipment.
7. the collocation method of HARQ as claimed in claim 6, it is characterised in that distribute fixed thing by wireless heterogeneous networks
Manage uplink control channel resource to user equipment.
8. the collocation method of HARQ as claimed in claim 1, it is characterised in that basic confirmation is indicated by Downlink Control Information
Information transfer channel.
9. a kind of feedback method of HARQ, it is characterised in that including：
Receive the configured information of the basic confirmation information transfer channel from base station；
Reception includes the data of multiple code blocks；
The decoding data for including multiple code blocks, when all code blocks of the data cannot be correctly decoded,
By basic confirmation information of the basic confirmation information transfer transmission including NACK to the base station；
Receive extension NACK authorization messages；
By the channel resource transmitting extended NACK indicated by the extension NACK authorization messages；Wherein：
The extension NACK includes：The code block information of mistake；
Receive the wrong code block retransmitted from base station.
10. the feedback method of HARQ as claimed in claim 9, it is characterised in that also include：When being correctly decoded the data
During all code blocks, by basic confirmation information of the basic confirmation information transfer transmission including ACK to the base station.
A kind of 11. base stations, it is characterised in that including：
Indicating member, is suitable to send configured information to indicate basic confirmation information transfer channel to user equipment；
Wherein：The basic confirmation information transfer channel is suitable to the user equipment feedback basic confirmation information,
The basic confirmation information includes：In ACK or NACK any one；
Data transmission unit, is suitable to transmit the data for including multiple code blocks to the user equipment；
Granted unit, is suitable to, when the basic confirmation information including NACK from the user equipment is received, send extension
NACK authorization messages are to the user equipment；Wherein：The extension NACK authorization messages are suitable to indicate that the user device transmissions
Extend the channel resource of NACK；
Receiving unit, is suitable to receive extension of the user equipment according to the instruction transmission of the extension NACK authorization messages
NACK；Wherein：The extension NACK includes：The code block information of mistake；
Retransmission unit, is suitable to the code block of retransmission error to the user equipment.
12. base stations as claimed in claim 11, it is characterised in that the channel resource of the user device transmissions extension NACK leads to
Cross Downlink Control Information dynamic dispatching.
13. base stations as claimed in claim 11, it is characterised in that the extension NACK also includes：Link quality information.
14. base stations as claimed in claim 13, it is characterised in that the retransmission unit, are suitable to be believed according to the link-quality
Breath, selects physical resource and corresponding data code modulation mode；Encoded according to selected data code modulation mode described
The code block of mistake；The wrong code block to the user equipment is retransmitted using selected physical resource.
15. base stations as claimed in claim 11, it is characterised in that also include：Judging unit, is suitable to be sent to user equipment
Configured information is before indicating basic confirmation information transfer channel, judging current type of traffic；And determine current leading to
Communication service type is eMBB business.
16. base stations as claimed in claim 15, it is characterised in that the judging unit, are further adapted for determining current communication industry
Service type is URLLC business；
The base station also includes dispensing unit, and the dispensing unit is suitable to the fixed physical uplink control channel money of distribution
Source is to user equipment；Wherein：The physical uplink control channel resource of the fixation is suitable to the user device transmissions and confirms
Information, the confirmation includes：In ACK or NACK any one, the NACK includes：The code block information of mistake；Also fit
Include the data of multiple code blocks to the user equipment in transmission；It is further adapted for working as and receives including from the user equipment
During the confirmation of NACK, the wrong code block to the user equipment is retransmitted.
17. base stations as described in claim 16, it is characterised in that the dispensing unit is suitable to by wireless heterogeneous networks point
Physical uplink control channel resource with the fixation is to user equipment.
18. base stations as described in claim 11, it is characterised in that the indicating member is suitable to refer to by Downlink Control Information
Show the basic confirmation information transfer channel.
A kind of 19. user equipmenies, it is characterised in that including：
Configured information receiving unit, is suitable to receive the configured information of the basic confirmation information transfer channel from base station；
Data receipt unit, is suitable to receive the data for including multiple code blocks；
Decoding unit, is suitable to the decoding data for including multiple code blocks, when all code blocks that cannot be correctly decoded the data
When, by basic confirmation information of the basic confirmation information transfer transmission including NACK to the base station；
Receiving unit is authorized, is suitable to receive extension NACK authorization messages；
Extension NACK transmission units, are suitable to by the channel resource transmitting extended indicated by the extension NACK authorization messages
NACK；Wherein：The extension NACK includes：The code block information of mistake；
Error code receiving unit, is suitable to receive the wrong code block retransmitted from base station.
20. user equipmenies as claimed in claim 19, it is characterised in that the decoding unit, are further adapted for that institute ought be correctly decoded
When stating all code blocks of data, by basic confirmation information of the basic confirmation information transfer transmission including ACK to institute
State base station.
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