CN110120855A - A kind of transmission and detection method, terminal and base station of ascending HARQ information - Google Patents
A kind of transmission and detection method, terminal and base station of ascending HARQ information Download PDFInfo
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- CN110120855A CN110120855A CN201810123179.8A CN201810123179A CN110120855A CN 110120855 A CN110120855 A CN 110120855A CN 201810123179 A CN201810123179 A CN 201810123179A CN 110120855 A CN110120855 A CN 110120855A
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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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0036—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the receiver
- H04L1/0038—Blind format detection
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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
- H04L1/1607—Details of the supervisory signal
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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
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
Abstract
The present invention provides the transmission and detection method of a kind of ascending HARQ information, terminal and base station, the transmission method includes: to generate the ascending HARQ information sequence for being directed to M transmission block, it include cascade HARQ bit sequence and feedback states bit sequence in the ascending HARQ information sequence, it include the ACK/NACK information of each transmission block in HARQ bit sequence, the type of the ACK/NACK information of transmission block is the ACK/NACK information based on entire transmission block or the ACK/NACK information based on code block group each in transmission block, it include the feedback states bit of each transmission block in feedback states bit sequence, feedback states bit is determined by the type of the ACK/NACK information of transmission block；Wherein, M is the integer more than or equal to 1；Ascending HARQ information sequence is sent to base station.To reduce the number of bits of ascending HARQ information, uplink coverage area is promoted.
Description
Technical field
The present invention relates to wireless communication technology field more particularly to a kind of uplink hybrid automatic repeat request (Hybrid
Automatic Repeat reQuest, abbreviation HARQ) information transmission and detection method, terminal and base station.
Background technique
In long term evolution (Long Term Evolution, abbreviation LTE) system, terminal is inscribed in some downlink subframe
It include multiple code blocks (CodeBlock, abbreviation CB) in the transmission block (Transport Block, abbreviation TB) received, terminal is directed to
Entire TB sends ascending HARQ information, i.e., only generates the confirmation of 1 bit/do not confirm (Acknowledgement/ for the TB
Negative Acknowledgement, abbreviation ACK/NACK) information.If some CB error of transmission in TB, needs to retransmit
All CB in entire TB.
In the standardisation process of current 5th third-generation mobile communication technology (Fifth-generation, abbreviation 5G), in order to
Spectrum efficiency is improved, the HARQ mould based on code block group (Code Block Group-based, abbreviation CBG-based) is introduced
Formula.1 TB includes multiple code block groups (Code Block Group, abbreviation CBG), and 1 CBG includes one or more CB.When in TB
Certain CB errors of transmission, it is only necessary to retransmit CBG corresponding to these CB.It supports CBG-based to transmit, needs terminal
The ascending HARQ information for sending more bits feeds back the ACK/NACK information of each CBG.
In systems in practice, terminal may need a sub-frame of uplink and meanwhile feed back multiple TB HARQ information (such as:
Terminal is configured in multiple serving cells or the HARQ window of terminal comprising multiple downlink transfers).At this point, two kinds common anti-
Feedback mode is directly to cascade or carry out HARQ binding for the HARQ information of multiple TB.If each TB configures CBG-based
HARQ mode can greatly increase the number of bits in ascending HARQ information using direct cascade mode, and ascending HARQ information
The increase of number of bits can reduce the received accuracy of ascending HARQ information, to influence the uplink coverage area of cell.And it adopts
The spectrum efficiency of system can be reduced although the number of bits of HARQ information can be reduced with the mode that HARQ is bound.
Summary of the invention
In view of this, the present invention provides the transmission and detection method, terminal and base station of a kind of ascending HARQ information, can drop
The number of bits of low ascending HARQ information improves the received accuracy of ascending control information, promotes the uplink coverage area of cell,
The spectrum efficiency of raising system.
In order to solve the above technical problems, in a first aspect, the embodiment of the present invention provides a kind of transmission side of ascending HARQ information
Method, is applied to terminal, and the transmission method includes:
The ascending HARQ information sequence for being directed to M transmission block is generated, includes cascade in the ascending HARQ information sequence
HARQ bit sequence and feedback states bit sequence, include in the HARQ bit sequence each transmission block confirmation/no
Confirm that ACK/NACK information, the type of the ACK/NACK information of the transmission block are the ACK/NACK information based on entire transmission block
Or the ACK/NACK information based on code block group each in transmission block, it include each transmission in the feedback states bit sequence
The feedback states bit of block, the feedback states bit are determined by the type of the ACK/NACK information of the transmission block；Wherein, M
For the integer more than or equal to 1；
The ascending HARQ information sequence is sent to base station.
Wherein, the length of the feedback states bit sequence is M, and each feedback states bit is 1 bit.
Wherein, described the step of generating the ascending HARQ information sequence for being directed to M transmission block, includes:
For each transmission block, when all transmission is correctly or whole transmission are wrong for code block group all in the transmission block
It mistakes, generates the ACK/NACK information based on entire transmission block of 1 bit；When only partial code block group transmission in the transmission block
When mistake, the ACK/NACK information based on code block group each in transmission block of N-bit is generated, wherein the N is greater than or equal to one
The number of the code block group of actual transmissions in a transmission block；
The ACK/NACK information of the M transmission block is cascaded, the HARQ bit sequence is generated.
Wherein, the N is configured by the base station or is predefined by agreement.
Wherein, it is described when in the transmission block only have the error of transmission of partial code block group when, generate N-bit based on transmission block
In each code block group ACK/NACK information the step of include:
When the N is equal to the number of the code block group of actual transmissions in a transmission block, by code each in the transmission block
The ACK/NACK information of block group is placed on corresponding bit, generates the ACK/NACK information of N-bit；
When the N is greater than the number of the code block group of actual transmissions in a transmission block, by code each in the transmission block
The ACK/NACK information of block group is placed on corresponding bit, and remaining bit mends 0 or 1, generates the ACK/NACK letter of N-bit
Breath.
Wherein, the described the step of ascending HARQ information sequence is sent to base station, includes:
The ascending HARQ information sequence is sent in the Physical Uplink Control Channel PUCCH resource of base station configuration.
Second aspect, the embodiment of the present invention also provide a kind of detection method of HARQ information, are applied to base station, the detection
Method includes:
Ascending HARQ information sequence is received, the ascending HARQ information sequence is the ascending HARQ letter for M transmission block
Sequence is ceased, includes cascade HARQ bit sequence and feedback states bit sequence in the ascending HARQ information sequence, it is described
It include the ACK/NACK information of each transmission block, the type of the ACK/NACK information of the transmission block in HARQ bit sequence
For the ACK/NACK information based on entire transmission block or the ACK/NACK information based on code block group each in transmission block, the feedback
It include the feedback states bit of each transmission block in status bits sequence, the feedback states bit is by the transmission block
The type of ACK/NACK information determines；Wherein, M is the integer more than or equal to 1；
Obtain the feedback states bit sequence in the ascending HARQ information sequence；
According to the feedback states bit sequence, the HARQ bit sequence of each transmission block is determined；
According to the HARQ bit sequence of each transmission block, the code block of error of transmission in each transmission block is determined
Group.
Wherein, after in each transmission block of the determination the step of code block group of error of transmission, further includes:
Retransmit the code block group of the error of transmission.
Wherein, the length of the feedback states bit sequence is M, and each feedback states bit is 1 bit.
Wherein, the step of reception ascending HARQ information sequence includes:
The ascending HARQ information sequence is received in the PUCCH resource of base station configuration.
The third aspect, the embodiment of the present invention also provide a kind of terminal, comprising:
Processor, for generating the ascending HARQ information sequence for being directed to M transmission block, in the ascending HARQ information sequence
It include each transmission block in the HARQ bit sequence including cascade HARQ bit sequence and feedback states bit sequence
Confirmation/do not confirm ACK/NACK information, the type of the ACK/NACK information of the transmission block is based on entire transmission block
ACK/NACK information or ACK/NACK information based on code block group each in transmission block include in the feedback states bit sequence
The feedback states bit of each transmission block, the feedback states bit by the transmission block ACK/NACK information type
It determines；Wherein, M is the integer more than or equal to 1；
Transceiver, for the ascending HARQ information sequence to be sent to base station.
Wherein, the length of the feedback states bit sequence is M, and each feedback states bit is 1 bit.
Wherein, the processor, for being directed to each transmission block, when code block group all in the transmission block is whole
When transmitting correct or whole errors of transmission, the ACK/NACK information based on entire transmission block of 1 bit is generated；When the transmission block
When interior only partial code block group error of transmission, the ACK/NACK information based on code block group each in transmission block of N-bit is generated,
In, N is greater than or equal to the number of the code block group of actual transmissions in a transmission block；The ACK/NACK of the M transmission block is believed
Breath is cascaded, and the HARQ bit sequence is generated.
Wherein, the N is configured by the base station or is predefined by agreement.
Wherein, the processor, for when the N is equal to the number of the code block group of actual transmissions in transmission block,
The ACK/NACK information of code block group each in the transmission block is placed on corresponding bit, generates the ACK/NACK letter of N-bit
Breath；When the N is greater than the number of the code block group of actual transmissions in a transmission block, by code block group each in the transmission block
ACK/NACK information is placed on corresponding bit, and remaining bit mends 0 or 1, generates the ACK/NACK information of N-bit.
Wherein, the transceiver, for sending the ascending HARQ information sequence in PUCCH resource.
Fourth aspect, the embodiment of the present invention also provide a kind of base station, comprising:
Transceiver, for receiving ascending HARQ information sequence, the ascending HARQ information sequence is for M transmission block
Ascending HARQ information sequence includes cascade HARQ bit sequence and feedback states bit sequence in the ascending HARQ information sequence
It arranges, includes the ACK/NACK information of each transmission block, the ACK/NACK letter of the transmission block in the HARQ bit sequence
The type of breath be the ACK/NACK information based on entire transmission block or the ACK/NACK information based on code block group each in transmission block,
It include the feedback states bit of each transmission block in the feedback states bit sequence, the feedback states bit is by described
The type of the ACK/NACK information of transmission block determines；Wherein, M is the integer more than or equal to 1；
Processor, for obtaining the feedback states bit sequence in the ascending HARQ information sequence；According to described
Feedback states bit sequence determines the HARQ bit sequence of each transmission block；According to the HARQ ratio of each transmission block
Special sequence determines the code block group of error of transmission in each transmission block.
Wherein, the processor is also used to retransmit the code block group of the error of transmission.
Wherein, the length of the feedback states bit sequence is M, and each feedback states bit is 1 bit.
Wherein, the transceiver, for receiving the ascending HARQ information sequence in the PUCCH resource that the base station configures
Column.
5th aspect, the embodiment of the present invention also provide a kind of terminal, including memory, processor and are stored in the storage
On device and the computer program that can run on the processor；The processor realizes above-mentioned transmission side when executing described program
Method.
6th aspect, the embodiment of the present invention also provide a kind of base station, including memory, processor and are stored in the storage
On device and the computer program that can run on the processor；It is characterized in that, reality when the processor executes described program
Existing above-mentioned detection method.
7th aspect, the embodiment of the present invention also provide a kind of computer readable storage medium, are stored thereon with computer journey
Sequence, the program realize the step in above-mentioned transmission method when being executed by processor, alternatively, realization when the program is executed by processor
Step in above-mentioned detection method.
The advantageous effects of the above technical solutions of the present invention are as follows: being in contrast to the prior art, the present invention can drop
The number of bits of low ascending HARQ information improves the received accuracy of ascending control information, promotes the uplink coverage area of cell,
The spectrum efficiency of raising system.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by institute in the description to the embodiment of the present invention
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the flow diagram of the transmission method of the ascending HARQ information of the embodiment of the present invention one；
Fig. 2 is the flow diagram of the transmission method of the ascending HARQ information of the embodiment of the present invention two；
Fig. 3 is the schematic diagram for generating ACK/NACK information in the embodiment of the present invention two for single TB；
Fig. 4 is to generate HARQ bit sequence and feedback shape according to the ACK/NACK information of M TB in the embodiment of the present invention two
The schematic diagram of state bit sequence；
Fig. 5 is the flow diagram of the detection method of the ascending HARQ information of the embodiment of the present invention three；
Fig. 6 is the structural schematic diagram of the terminal of the embodiment of the present invention four；
Fig. 7 is the structural schematic diagram of the base station of the embodiment of the present invention five.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
Attached drawing, the technical solution of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is this hair
Bright a part of the embodiment, instead of all the embodiments.Based on described the embodiment of the present invention, ordinary skill
Personnel's every other embodiment obtained, shall fall within the protection scope of the present invention.
In following embodiment, CBG-based HARQ mode is configured as with terminal and terminal needs while feeding back M
It is illustrated for the HARQ information of (wherein, M is more than or equal to 1 integer) a TB.
Refering to fig. 1, Fig. 1 is the flow diagram of the transmission method of the ascending HARQ information of the embodiment of the present invention one, the party
Method is applied to terminal, comprising:
Step S11: the ascending HARQ information sequence for being directed to M transmission block is generated, is wrapped in the ascending HARQ information sequence
Cascade HARQ bit sequence and feedback states bit sequence are included, includes each transmission block in the HARQ bit sequence
Confirm/do not confirm that ACK/NACK information, the type of the ACK/NACK information of the transmission block are the ACK/ based on entire transmission block
Nack message or ACK/NACK information based on code block group each in transmission block include each in the feedback states bit sequence
The feedback states bit of the transmission block, the feedback states bit are determined by the type of the ACK/NACK information of the transmission block
It is fixed；Wherein, M is the integer more than or equal to 1.
Step S12: the ascending HARQ information sequence is sent to base station.
Using the above method, the present invention can reduce the number of bits of ascending HARQ information, improves ascending control information and connects
The accuracy of receipts, promotes the uplink coverage area of cell, and does not need to increase additional upload control resource overhead, improves system
Spectrum efficiency.
Referring to Fig. 2, Fig. 2 is the flow diagram of the transmission method of the ascending HARQ information of the embodiment of the present invention two, it should
Method is applied to terminal, comprising:
Step S21: it is directed to M TB, generates the ACK/NACK information of each TB.
Specifically, generating the ACK/NACK information of each TB for the transmission situation of CBG in each TB.What is generated is every
The type of the ACK/NACK information of a TB is the ACK/NACK information based on entire TB or the ACK/NACK letter based on CBG in TB
Breath.
For single TB, if CBG all in the TB all transmits correct or whole errors of transmission, 1 ratio is generated
The special ACK/NACK information (i.e. TB-level HARQ) based on entire TB.
Referring to Fig. 3, Fig. 3 is the schematic diagram for generating ACK/NACK information in the embodiment of the present invention two for single TB.It lifts
Include 5 CBG in a TB such as case3 in Fig. 3 for example, if all transmission is correct by 5 CBG, generates the ACK/ of 1 bit
Nack message should be 1 based on the ACK/NACK information of entire TB.It include 5 CBG in a TB such as case1 in Fig. 3, if 5
A CBG whole error of transmission generates the ACK/NACK information of 1 bit, should be 0 based on the ACK/NACK information of entire TB.
If only part CBG error of transmission, generates the ACK/NACK based on a CBG every in TB of N-bit in the TB
Information (i.e. CBG-level HARQ).Wherein, the value of N is configured by high-level signaling or is predefined by agreement, the value of N be greater than or
Equal to CBG number of actual transmissions in 1 TB.
Please continue to refer to Fig. 3, such as case2 in Fig. 3, in a TB comprising 5 CBG:CBG0, CBG1, CBG2, CBG3 and
When CBG4, N are equal to 5, if CBG0 and CBG3 error of transmission, CBG1, CBG2 and CBG4 transmission are correct, then raw for each CBG
At the ACK/NACK information of each CBG, the ACK/NACK information of CBG0 and CBG3 are 0, the ACK/ of CBG1, CBG2 and CBG4
Nack message is 1.The ACK/NACK information of each CBG is placed on accordingly according to rule from left to right or from right to left
Bit, the ACK/NACK information at this time based on a CBG every in TB are 01101.
It include 3 CBG:CBG0, CBG1 and CBG2 in a TB such as case4 in Fig. 3, when N is greater than 3, such as N is equal to 5,
If CBG0 and CBG2 transmission is correct, CBG1 error of transmission, then the ACK/NACK information of CBG0 and CBG2 is 1, CBG1's
ACK/NACK information is 0.The ACK/NACK information of all CBG is placed on accordingly according to rule from left to right or from right to left
Bit, be 101, remaining bit mends 0 or 1.If mending 0, the ACK/NACK information at this time based on a CBG every in TB is
10100。
Step S22: terminal cascades the ACK/NACK information of M TB, generates HARQ bit sequence.
Referring to Fig. 4, Fig. 4 is to generate HARQ bit sequence according to the ACK/NACK information of M TB in the embodiment of the present invention two
The schematic diagram of column and feedback states bit sequence.Such as: when M is equal to 3, N equal to 5, i.e., terminal needs while feeding back 3 transmission blocks
The HARQ information of (TB0, TB1 and TB2), includes 5 CBG in each transmission block, 5 CBG whole errors of transmission in TB0, base
In entire TB0 ACK/NACK information be 0；CBG0 and CBG3 error of transmission in TB1, CBG1, CBG2 and CBG4 transmission are correct,
ACK/NACK information based on a CBG every in TB1 is 01101；All transmission is correct by 5 CBG in TB2, based on entire TB2's
ACK/NACK information is 1.The ACK/NACK information of this 3 TB is directly cascaded, generation HARQ bit sequence: 0011011.
Step S23: terminal generates feedback states bit sequence according to the ACK/NACK information of M TB.
Specifically, please continue to refer to Fig. 4, terminal generates feedback states bit sequence according to the ACK/NACK information of each TB
Column, the length of feedback states bit sequence are equal to the quantity M of TB, and each feedback states bit is 1 bit in sequence, respectively correspond
The transmission situation of each TB.(i.e. all CBG are all transmitted in the TB when ACK/NACK information of TB is TB-level HARQ
Correct or whole errors of transmission), the feedback states bit of the TB is 1；The ACK/NACK information of TB is CBG-level HARQ
When (TB in only part CBG error of transmission), the feedback states bit of the TB is 0.
All CBG whole errors of transmission in TB0, the ACK/NACK information based on entire TB0 are 0, then the feedback shape of TB0
State bit is 1；There is part CBG error of transmission in TB1, the ACK/NACK information based on a CBG every in TB1 is 01101, then TB1
Feedback states bit be 0；All transmission is correct by all CBG in TB2, and the ACK/NACK information based on entire TB2 is 1, then
The feedback states bit of TB2 is 1, so, feedback states bit sequence is 101.
Step S24: terminal cascades HARQ bit sequence and feedback states bit sequence, generates ascending HARQ information
Sequence.
After feedback states bit sequence to be cascaded to the HARQ bit sequence generated in step S22, generate what needs transmitted
Ascending HARQ information sequence.The length of the ascending HARQ information sequence is L+M, and wherein L is the HARQ bit generated in step S22
The length of sequence, M are the length of the feedback states bit sequence generated in step S23.
Step S25: terminal sends ascending HARQ information sequence.
Specifically, terminal sending step S24 can generate in the Physical Uplink Control Channel PUCCH resource that base station configures
Ascending HARQ information sequence.
Using the above method, the present invention can reduce the number of bits of ascending HARQ information, improves ascending control information and connects
The accuracy of receipts promotes the uplink coverage area of cell, and by way of sequence suffix each transmission block of signals base biography
Defeated situation does not need to increase additional upload control resource overhead, can be improved the spectrum efficiency of system.
In above-described embodiment, after feedback states bit sequence is cascaded to HARQ bit sequence, generation needs to transmit upper
Row HARQ information sequence；In other embodiment of the invention, feedback states bit sequence can also be cascaded to HARQ
Before bit sequence, the ascending HARQ information sequence for needing to transmit is generated；Or customized cascade mode, generation need according to demand
The ascending HARQ information sequence to be transmitted.
In above-described embodiment, when CBG transmission is correct, when ACK/NACK information is 1, CBG error of transmission, ACK/NACK information
Be 0, certainly, in some other embodiment of the invention, be also possible to CBG transmission it is correct when, ACK/NACK information be 0,
When CBG error of transmission, ACK/NACK information is 1, and the present invention is without limitation.
It is the flow diagram of the detection method of the ascending HARQ information of the embodiment of the present invention three, the party refering to Fig. 5, Fig. 5
Method is applied to base station, comprising:
Step S51: receiving ascending HARQ information sequence, and the ascending HARQ information sequence is for the upper of M transmission block
Row HARQ information sequence includes cascade HARQ bit sequence and feedback states bit sequence in the ascending HARQ information sequence
It arranges, includes the ACK/NACK information of each transmission block, the ACK/NACK letter of the transmission block in the HARQ bit sequence
The type of breath be the ACK/NACK information based on entire transmission block or the ACK/NACK information based on code block group each in transmission block,
It include the feedback states bit of each transmission block in the feedback states bit sequence, the feedback states bit is by described
The type of the ACK/NACK information of transmission block determines；Wherein, M is the integer more than or equal to 1.
Step S52: the feedback states bit sequence in the ascending HARQ information sequence is obtained.
Step S53: according to the feedback states bit sequence, the HARQ bit sequence of each transmission block is determined.
Step S54: according to the HARQ bit sequence of each transmission block, error of transmission in each transmission block is determined
Code block group.
Using the above method, the present invention can reduce the number of bits of ascending HARQ information, improves ascending control information and connects
The accuracy of receipts promotes the uplink coverage area of cell, reduces the complexity of base station blind examination, improves the spectrum efficiency of system.
It illustrates below and the detection method of ascending HARQ information is illustrated.In some preferred embodiments, base station passes through
Blind examination is carried out to ascending HARQ information sequence, obtains the feedback states bit sequence in the ascending HARQ information sequence.
In each PUCCH resource, the at most ascending HARQ information sequence of uplink blind examination M+1 kind different length, such as table 1 (M=2), table 2
(M=3) and shown in table 3 (M=4).
Table 1 (M=2)
Table 2 (M=3)
Table 3 (M=4)
By taking table 1 (M=2) as an example, base station carries out blind examination to the ascending HARQ information sequence of 2 TB (i.e. TB0 and TB1), then
There are four types of the transmission situations of TB0 and TB1: the first, all transmission is correct or all transmits wrong by all CBG in TB0 and TB1
Accidentally, the ACK/NACK information of TB0 and TB1 is 1 bit, then HARQ bit sequence length is 2；Second, TB0 only has part
CBG error of transmission, the ACK/NACK information of TB0 are N-bit, and all CBG of TB1 all transmit correct or whole errors of transmission,
The ACK/NACK information of TB1 is 1 bit, then HARQ bit sequence length is 1+N；The third, all CBG of TB0 are all transmitted
Correct or whole errors of transmission, the ACK/NACK information of TB0 are 1 bit；TB1 only has part CBG error of transmission, the ACK/ of TB1
Nack message is N-bit, then HARQ bit sequence length is 1+N；4th kind, TB0 and TB1 only have part CBG error of transmission,
The ACK/NACK information of TB0 and TB1 is N-bit, then HARQ bit sequence length is 2N.The length of feedback states bit sequence
Quantity M equal to TB, as 2, so, the length of the ascending HARQ information sequence of above-mentioned four kinds of situations be respectively 2+2,1+N+2,
1+N+2 and 2N.That is the base station ascending HARQ information sequence that needs 3 kinds of length (i.e. 2+2,1+N+2 and 2N) of blind examination, i.e., each
In PUCCH resource, the at most ascending HARQ information sequence of uplink blind examination 2+1 kind different length.
In the application scenarios of table 2 (M=3), ascending HARQ information sequence of the base station to 3 TB (i.e. TB0, TB1 and TB2)
Blind examination is carried out, base station needs the length of the ascending HARQ information sequence of blind examination in PUCCH resource are as follows: (3 TB's is all by 3+3
All transmission is correct or whole errors of transmission by CBG), (all transmission is correct by all CBG of 2 TB, the part of 1 TB by 2+N+3
CBG error of transmission), 1+2N+3 (all transmission is correct by all CBG of 1 TB, the part CBG error of transmission of 2 TB) or 3N+3
(the part CBG error of transmission of 3 TB).I.e. in each PUCCH resource, the at most uplink of uplink blind examination 3+1 kind different length
HARQ information sequence.Assuming that N=5, then base station needs the ascending HARQ of 6,/10,/14,/18 4 kinds of length of blind examination in PUCCH resource
Information sequence.
If the ascending HARQ information sequence that base station blind examination goes out terminal transmission has 14 bits, then it represents that terminal is received
3 TB in have a part CBG error of transmission (the ACK/NACK information of i.e. 2 TB is CBG-level HARQ) of 2 TB, 1
In TB all CBG all transmission is correct or whole errors of transmission (the ACK/NACK information of i.e. 1 TB is TB-level
HARQ)。
In this application scene, in the received ascending HARQ information sequence in base station, feedback states bit sequence grade is associated in HARQ
After information sequence, then the last M bit of ascending HARQ information sequence is feedback states bit sequence, feedback states bit sequence
Length be M, wherein the feedback states bit of every TB be 1 bit, respectively correspond the transmission situation of each TB.Therefore, at this
In application scenarios, last 3 bits of ascending HARQ information sequence are the feedback states bit sequence of this 3 TB.
Assuming that last 3 bits of ascending HARQ information sequence are 010, then the feedback states bit sequence of this 3 TB is
010, the ACK/NACK information for representing the 1st transmission block TB0 and the 3rd transmission block TB2 is that (TB0 is corresponding by CBG-level HARQ
ACK/NACK information be ascending HARQ information sequence in 1-5, the corresponding ACK/NACK information of TB2 be ascending HARQ information
7-11 in sequence), the ACK/NACK information of the 2nd transmission block TB1 is TB-level HARQ (the corresponding ACK/NACK of TB1
Information is the 6th in ascending HARQ information sequence).
Assuming that ascending HARQ information sequence is 01100110101010, then the HARQ bit sequence of TB0, TB1 and TB2 are distinguished
It is 01100,1 and 10101.Then the 1st, the 4th and the 5th CBG error of transmission in TB0, needs to retransmit；All CBG in TB1
All transmission is correct, without retransmitting；The 2nd and the 4th CBG error of transmission, need to retransmit in TB2.
The 2nd and the 4th CBG in 1st, the 4th and the 5th CBG in re-transmission TB0, TB2.
It is the structural schematic diagram of the terminal of the embodiment of the present invention four refering to Fig. 6, Fig. 6.The terminal 600 includes:
Processor 601, for generating the ascending HARQ information sequence for being directed to M transmission block, the ascending HARQ information sequence
Include cascade HARQ bit sequence and feedback states bit sequence in column, includes each biography in the HARQ bit sequence
Defeated piece of confirmation/do not confirm that ACK/NACK information, the type of the ACK/NACK information of the transmission block are based on entire transmission block
ACK/NACK information or ACK/NACK information based on code block group each in transmission block, wrap in the feedback states bit sequence
Include the feedback states bit of each transmission block, the feedback states bit by the transmission block ACK/NACK information class
Type determines；Wherein, M is the integer more than or equal to 1；
Transceiver 602, for the ascending HARQ information sequence to be sent to base station.
Further, the length of the feedback states bit sequence is M, and each feedback states bit is 1 bit.
Further, the processor 601, for being directed to each transmission block, when code all in the transmission block
When block group all transmits correct or whole errors of transmission, the ACK/NACK information based on entire transmission block of 1 bit is generated；Work as institute
When stating in transmission block only partial code block group error of transmission, the ACK/ based on code block group each in transmission block of N-bit is generated
Nack message, wherein N is greater than or equal to the number of the code block group of actual transmissions in a transmission block；By the M transmission block
ACK/NACK information is cascaded, and the HARQ bit sequence is generated.
Further, the N is configured by the base station or is predefined by agreement.
Further, the processor 601, for being equal to the code block group of actual transmissions in a transmission block as the N
When number, the ACK/NACK information of code block group each in the transmission block is placed on corresponding bit, generates the ACK/ of N-bit
Nack message；When the N is greater than the number of the code block group of actual transmissions in a transmission block, by code each in the transmission block
The ACK/NACK information of block group is placed on corresponding bit, and remaining bit mends 0 or 1, generates the ACK/NACK letter of N-bit
Breath.
Further, the transceiver 602, for sending the ascending HARQ information sequence in PUCCH resource.
It should be noted that the processor 601 of the terminal 600 of the present embodiment, transceiver 602 can execute above-mentioned uplink respectively
Corresponding step in the transmission method embodiment of HARQ information, therefore details are not described herein, please refers to the above corresponding transmission side in detail
The explanation of method step.
Referring to Fig. 7, Fig. 7 is the structural schematic diagram of the base station of the embodiment of the present invention five.The base station 700 includes:
Transceiver 701, for receiving ascending HARQ information sequence, the ascending HARQ information sequence is to transmit for M
The ascending HARQ information sequence of block includes cascade HARQ bit sequence and feedback states ratio in the ascending HARQ information sequence
Special sequence includes the ACK/NACK information of each transmission block, the ACK/ of the transmission block in the HARQ bit sequence
The type of nack message is the ACK/NACK information based on entire transmission block or the ACK/ based on code block group each in transmission block
Nack message includes the feedback states bit of each transmission block, the feedback states in the feedback states bit sequence
Bit is determined by the type of the ACK/NACK information of the transmission block；Wherein, M is the integer more than or equal to 1；
Processor 702, for obtaining the feedback states bit sequence in the ascending HARQ information sequence；According to institute
Feedback states bit sequence is stated, determines the HARQ bit sequence of each transmission block；According to the HARQ of each transmission block
Bit sequence determines the code block group of error of transmission in each transmission block.
Further, the transceiver 701 is also used to retransmit the code block group of the error of transmission.
Further, the length of the feedback states bit sequence is M, and each feedback states bit is 1 bit.
Further, the transceiver 701, for receiving the uplink in the PUCCH resource that the base station configures
HARQ information sequence.
It should be noted that the transceiver 701 of the base station 700 of the present embodiment, processor 702 can execute above-mentioned uplink respectively
Corresponding step in the detection method embodiment of HARQ information, therefore details are not described herein, please refers to the above corresponding detection side in detail
The explanation of method step.
The present invention also provides a kind of terminals, and any of the above-described transmission method embodiment can be performed, and realizes the biography of ascending HARQ information
It is defeated.The terminal includes processor, memory and is stored in the computer program that can be run on the memory and on a processor.
Processor couples memory, and processor runs computer program at work, to cooperate memory to realize above-mentioned ascending HARQ letter
It is consistent in the transmission method of breath, specific work process and above-mentioned transmission method embodiment, therefore details are not described herein, please refers in detail
The explanation of the above corresponding transmission method step.
The present invention also provides a kind of base stations, and any of the above-described detection method embodiment can be performed, and realizes the inspection of ascending HARQ information
It surveys.The base station includes processor, memory and is stored in the computer program that can be run on the memory and on a processor.
Processor couples memory, and processor runs computer program at work, to cooperate memory to realize above-mentioned ascending HARQ letter
It is consistent in the detection method of breath, specific work process and above-mentioned detection method embodiment, therefore details are not described herein, please refers in detail
The explanation of the above corresponding detection method step.
The present invention also provides a kind of computer readable storage medium, which has computer journey
Sequence realizes the transmission method or detection method of above-mentioned ascending HARQ information when computer program is executed by processor.Specific works
It is consistent in process and above-mentioned transmission method embodiment or detection method embodiment, therefore details are not described herein, please refers in detail above
The explanation of corresponding transmission method or detection method step.
In conclusion transmission method, detection method, terminal and the base station of ascending HARQ information provided by the invention can
The number of bits of ascending HARQ information is reduced, the received accuracy of ascending control information is improved, promotes the uplink covering model of cell
It encloses, improves the spectrum efficiency of system.
Base station in the embodiment of the present invention can be global system for mobile telecommunications (Global System of Mobile
Communication, abbreviation GSM) or CDMA (Code Division Multiple Access, abbreviation CDMA) in
Base station (Base Transceiver Station, abbreviation BTS), is also possible to wideband code division multiple access (Wideband Code
Division Multiple Access, abbreviation WCDMA) in base station (NodeB, abbreviation NB), can also be the evolution in LTE
Type base station (Evolutional Node B, abbreviation eNB or eNodeB) perhaps relay station or access point or future 5G network
In base station etc., do not limit herein.
Terminal in the embodiment of the present invention can be wireless terminal and be also possible to catv terminal, and wireless terminal can be directed to
User provides voice and/or the equipment of other business datum connectivity, handheld device or connection with wireless connecting function
To other processing equipments of radio modem.Wireless terminal can through wireless access network (Radio Access Network,
Abbreviation RAN) it is communicated with one or more core nets, wireless terminal can be mobile terminal, as mobile phone (or is
" honeycomb " phone) and computer with mobile terminal, for example, it may be portable, pocket, hand-held, built-in computer
Or vehicle-mounted mobile device, they exchange language and/or data with wireless access network.For example, personal communication service
(Personal Communication Service, abbreviation PCS) phone, wireless phone, Session initiation Protocol (Session
Initiation Protocol, abbreviation SIP) phone, wireless local loop (Wireless Local Loop, abbreviation WLL) stand,
The equipment such as personal digital assistant (Personal Digital Assistant, abbreviation PDA).Wireless terminal is referred to as
System, subscriber unit (Subscriber Unit), subscriber station (Subscriber Station), movement station (Mobile
Station), mobile station (Mobile), distant station (Remote Station), remote terminal (Remote Terminal), access
Terminal (Access Terminal), user terminal (User Terminal), user agent (User Agent), terminal (User
Device or User Equipment), it is not limited thereto.
Above-mentioned computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any
Method or technique come realize information store.Information can be computer readable instructions, data structure, the module of program or other numbers
According to.The example of the storage medium of computer includes, but are not limited to phase change memory (Phase-change Random Access
Memory, abbreviation PRAM), it is static random access memory (Static Random Access Memory, abbreviation SRAM), dynamic
State random access memory (Dynamic Random Access Memory, abbreviation DRAM), other kinds of arbitrary access are deposited
Reservoir (Random Access Memory, abbreviation RAM), read-only memory (Read Only Memory, abbreviation ROM), electricity can
Erasable programmable read-only memory (EPROM) (Electrically Erasable Programmable read only, referred to as
EEPROM), flash memory or other memory techniques, read-only disc read only memory (CD-ROM) (Compact Disc Read Only
Memory, abbreviation CD-ROM), digital versatile disc (Digital Video Disc, abbreviation DVD) or other optical storages,
Magnetic tape cassette, magnetic tape disk storage or other magnetic storage devices or any other non-transmission medium, can be used for storing can be with
The information being accessed by a computing device.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (23)
1. a kind of transmission method of uplink hybrid automatic repeat request HARQ information is applied to terminal, which is characterized in that the biography
Transmission method includes:
The ascending HARQ information sequence for being directed to M transmission block is generated, includes cascade HARQ in the ascending HARQ information sequence
Bit sequence and feedback states bit sequence, include in the HARQ bit sequence each transmission block confirmation/do not confirm
ACK/NACK information, the type of the ACK/NACK information of the transmission block are ACK/NACK information or base based on entire transmission block
The ACK/NACK information of each code block group in transmission block includes each transmission block in the feedback states bit sequence
Feedback states bit, the feedback states bit are determined by the type of the ACK/NACK information of the transmission block；Wherein, M is big
In or equal to 1 integer；
The ascending HARQ information sequence is sent to base station.
2. transmission method as described in claim 1, which is characterized in that the length of the feedback states bit sequence is M, each
The feedback states bit is 1 bit.
3. transmission method as described in claim 1, which is characterized in that the ascending HARQ letter generated for M transmission block
Cease sequence the step of include:
For each transmission block, when code block group all in the transmission block all transmits correct or whole errors of transmission
When, generate the ACK/NACK information based on entire transmission block of 1 bit；It is wrong when only having partial code block group to transmit in the transmission block
It mistakes, generates the ACK/NACK information based on code block group each in transmission block of N-bit, wherein the N is greater than or equal to one
The number of the code block group of actual transmissions in transmission block；
The ACK/NACK information of the M transmission block is cascaded, the HARQ bit sequence is generated.
4. transmission method as claimed in claim 3, which is characterized in that the N is configured by the base station or made a reservation for by agreement
Justice.
5. transmission method as described in claim 3 or 4, which is characterized in that described when the interior only partial code block of the transmission block
When group error of transmission, the step of generating the ACK/NACK information based on code block group each in transmission block of N-bit, includes:
When the N is equal to the number of the code block group of actual transmissions in a transmission block, by code block group each in the transmission block
ACK/NACK information be placed on corresponding bit, generate the ACK/NACK information of N-bit；
When the N is greater than the number of the code block group of actual transmissions in a transmission block, by code block group each in the transmission block
ACK/NACK information be placed on corresponding bit, remaining bit mends 0 or 1, generates the ACK/NACK information of N-bit.
6. transmission method as described in claim 1, which is characterized in that described that the ascending HARQ information sequence is sent to base
The step of standing include:
The ascending HARQ information sequence is sent in the Physical Uplink Control Channel PUCCH resource of base station configuration.
7. a kind of detection method of HARQ information, it is applied to base station, which is characterized in that the detection method includes:
Ascending HARQ information sequence is received, the ascending HARQ information sequence is the ascending HARQ information sequence for M transmission block
It arranges, includes cascade HARQ bit sequence and feedback states bit sequence, the HARQ ratio in the ascending HARQ information sequence
Include the ACK/NACK information of each transmission block in special sequence, the type of the ACK/NACK information of the transmission block be based on
Entirely the ACK/NACK information of transmission block or the ACK/NACK information based on code block group each in transmission block, the feedback states ratio
In special sequence include each transmission block feedback states bit, the feedback states bit by the transmission block ACK/
The type of nack message determines；Wherein, M is the integer more than or equal to 1；
Obtain the feedback states bit sequence in the ascending HARQ information sequence；
According to the feedback states bit sequence, the HARQ bit sequence of each transmission block is determined；
According to the HARQ bit sequence of each transmission block, the code block group of error of transmission in each transmission block is determined.
8. detection method as claimed in claim 7, which is characterized in that error of transmission in each transmission block of determination
After the step of code block group, further includes:
Retransmit the code block group of the error of transmission.
9. detection method as claimed in claim 7, which is characterized in that the length of the feedback states bit sequence is M, each
The feedback states bit is 1 bit.
10. detection method as claimed in claim 7, which is characterized in that the step of reception ascending HARQ information sequence wraps
It includes:
The ascending HARQ information sequence is received in the PUCCH resource of base station configuration.
11. a kind of terminal characterized by comprising
Processor includes for generating the ascending HARQ information sequence for being directed to M transmission block, in the ascending HARQ information sequence
Cascade HARQ bit sequence and feedback states bit sequence, include in the HARQ bit sequence each transmission block really
Recognize/do not confirm ACK/NACK information, the type of the ACK/NACK information of the transmission block is the ACK/ based on entire transmission block
Nack message or ACK/NACK information based on code block group each in transmission block include each in the feedback states bit sequence
The feedback states bit of the transmission block, the feedback states bit are determined by the type of the ACK/NACK information of the transmission block
It is fixed；Wherein, M is the integer more than or equal to 1；
Transceiver, for the ascending HARQ information sequence to be sent to base station.
12. terminal as claimed in claim 11, which is characterized in that the length of the feedback states bit sequence is M, Mei Yisuo
Stating feedback states bit is 1 bit.
13. terminal as claimed in claim 11, which is characterized in that
The processor, for being directed to each transmission block, when all transmission is correct for code block group all in the transmission block
Or when whole error of transmission, generate the ACK/NACK information based on entire transmission block of 1 bit；When in the transmission block only have portion
When demal block group error of transmission, the ACK/NACK information based on code block group each in transmission block of N-bit is generated, wherein N is greater than
Or the number equal to the code block group of actual transmissions in a transmission block；The ACK/NACK information of the M transmission block is subjected to grade
Connection, generates the HARQ bit sequence.
14. terminal as claimed in claim 13, which is characterized in that the N is configured by the base station or predefined by agreement.
15. terminal according to claim 13 or 14, which is characterized in that
The processor, for when the N is equal to the number of the code block group of actual transmissions in transmission block, by the transmission
The ACK/NACK information of each code block group is placed on corresponding bit in block, generates the ACK/NACK information of N-bit；As the N
Greater than in a transmission block when number of the code block group of actual transmissions, the ACK/NACK of code block group each in the transmission block is believed
Breath is placed on corresponding bit, and remaining bit mends 0 or 1, generates the ACK/NACK information of N-bit.
16. terminal as claimed in claim 11, which is characterized in that
The transceiver, for sending the ascending HARQ information sequence in PUCCH resource.
17. a kind of base station characterized by comprising
Transceiver, for receiving ascending HARQ information sequence, the ascending HARQ information sequence is the uplink for M transmission block
HARQ information sequence, includes cascade HARQ bit sequence and feedback states bit sequence in the ascending HARQ information sequence,
It include the ACK/NACK information of each transmission block in the HARQ bit sequence, the ACK/NACK information of the transmission block
Type be the ACK/NACK information based on entire transmission block or the ACK/NACK information based on code block group each in transmission block, it is described
It include the feedback states bit of each transmission block in feedback states bit sequence, the feedback states bit is by the transmission
The type of the ACK/NACK information of block determines；Wherein, M is the integer more than or equal to 1；
Processor, for obtaining the feedback states bit sequence in the ascending HARQ information sequence；According to the feedback
Status bits sequence determines the HARQ bit sequence of each transmission block；According to the HARQ bit sequence of each transmission block
Column, determine the code block group of error of transmission in each transmission block.
18. base station as claimed in claim 17, which is characterized in that
The transceiver is also used to retransmit the code block group of the error of transmission.
19. base station as claimed in claim 17, which is characterized in that the length of the feedback states bit sequence is M, Mei Yisuo
Stating feedback states bit is 1 bit.
20. base station as claimed in claim 17, which is characterized in that
The transceiver, for receiving the ascending HARQ information sequence in the PUCCH resource that the base station configures.
21. a kind of terminal, including memory, processor and it is stored on the memory and can runs on the processor
Computer program；It is characterized in that, the processor realizes biography as claimed in any one of claims 1 to 6 when executing described program
Transmission method.
22. a kind of base station, including memory, processor and it is stored on the memory and can runs on the processor
Computer program；It is characterized in that, the processor is realized when executing described program as claim 7-10 is described in any item
Detection method.
23. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
The step in transmission method as claimed in any one of claims 1 to 6 is realized when execution, alternatively, when the program is executed by processor
It realizes such as the step in the described in any item detection methods of claim 7-10.
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