CN109560898A - Retransmission request feedback message transmission method, UE and communication system - Google Patents
Retransmission request feedback message transmission method, UE and communication system Download PDFInfo
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- CN109560898A CN109560898A CN201710885363.1A CN201710885363A CN109560898A CN 109560898 A CN109560898 A CN 109560898A CN 201710885363 A CN201710885363 A CN 201710885363A CN 109560898 A CN109560898 A CN 109560898A
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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
- H04L1/1806—Go-back-N protocols
-
- 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
-
- 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
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
-
- 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]
-
- 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
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1864—ARQ related signaling
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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
The invention discloses a kind of retransmission request feedback message transmission method, UE and communication system, method therein includes: that UE obtains the message format information for being used for transmission HARQ feedback message that network side equipment issues；UE receives the transmission block TB of network side equipment transmission, carries out demodulation process to TB, generates HARQ feedback message corresponding with the demodulation result of TB based on message format information, and be sent to network side equipment by uplink control channel.Method, UE and communication system of the invention, network side equipment can configure the used PUCCH format subset of HARQ feedback according to processing capacity, business load etc., increase processing flexibility；UE can select suitable PUCCH format to carry out HARQ feedback, reduce PUCCH expense or improve PUCCH transmission reliability；Network side equipment carries out blind examination to HARQ feedback according to PUCCH format, reduces processing complexity.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of retransmission request feedback message transmission methods, UE and communication
System.
Background technique
In 5G (the 5th third-generation mobile communication technology) communication technology standard, including three categories application scenarios: enhancing is mobile wide
Band scene (Enhance Mobile Broadband, eMBB), the highly reliable scene of low time delay (Ultra-relaible and Low
Latencycommunication, URLLC) and the big connection scene of low-power consumption (massive machine type of
Communication, mMTC).For example, the application such as ultra high-definition video, video conference, 3D game in enhancing mobile broadband scene
Higher demand not only is proposed to traffic rate, while higher demand also proposed to time delay.In the highly reliable field of low time delay
Jing Zhong, more stringent requirements are proposed to time delay for the business such as car networking, Industry Control, tele-medicine.
The following 5G needs while the different demands for the multiple business for meeting three categories application scenarios,
The demand that 3GPP normal structure proposes the highly reliable scene of low time delay is uplink/downlink one way user plane time delay
0.5ms.3GPP RAN1 provides that NR Rel-15 version will be supported to be based on code block group (Code
Block group, CBG) transmission and single-bit/more bits HARQ-ACK feedback, 3GPP
RAN1 is determined guarantees that CBG transmission is transparent to MAC layer as far as possible.Transmission based on CBG is suitable for following scene:
EMBB scene: when high frequency and big bandwidth or big subcarrier spacing or high data rate and high-doppler scene；EMBB with
URLLC is multiplexed scene: since burst URLLC is occupied or bursty interference causes small part resource transmission failure in a TB.But
There is presently no determinations for downlink single-bit/more bits HARQ ACK/NACK feedback concrete scheme when based on CBG transmission.
Summary of the invention
In view of this, the invention solves a technical problem be to provide a kind of retransmission request feedback message transmission side
Method, UE and communication system.
According to an aspect of the present invention, a kind of retransmission request feedback message transmission method is provided, comprising: user equipment (UE)
Obtain the message format information for being used for transmission hybrid automatic repeat-request HARQ feedback message that network side equipment issues；The UE
The transmission block TB that the network side equipment is sent is received, demodulation process is carried out to the TB；The UE is based on the message lattice
Formula information generates corresponding with the demodulation result of TB HARQ feedback message, and described in being sent to by uplink control channel
Network side equipment.
Optionally, the UE receives the network side equipment and is believed by the message format that RRC high-level signaling is sent
Breath, wherein the network side equipment determines the message format information according to processing capacity and/or business load.
Optionally, the message format information be include at least one physical uplink control channel PUCCH format
Format subset.
Optionally, at least one described PUCCH format include: include a bit for being used to indicate TB demodulation result
First format includes the second format for being used to indicate multiple bits of transmission code block group CBG demodulation result.
Optionally, the UE is anti-based on message format information generation HARQ corresponding with the demodulation result of the TB
Feedback message includes: the UE according to the demodulation result of TB selection first format or second format, based on described
First format or second format generate the HARQ feedback message；Wherein, the HARQ feedback message includes: HARQ ACK
Message, HARQ NACK message.
Optionally, the UE carries out CRC check to each CBG in the TB and the TB；If for each CBG
CRC check result be all successfully and be failure for the CRC check result of the TB, then the UE be based on first lattice
Formula generates HARQ NACK message.
Optionally, if being failure for the CRC check result of each CBG of the TB, the UE is based on described
First format generates HARQ NACK message.
Optionally, if being failure for the CRC check result of the n CBG of the TB, the UE is based on described second
Format generates HARQ NACK message corresponding with the n CBG, passes through multiple bit indication n of second format
The CRC check result of CBG is failure, wherein n is natural number, and n is less than or equal to the CBG sum in TB.
Optionally, the UE preferentially chooses first format according to the demodulation result of the TB, is based on first lattice
Formula generates HARQ ACK message or HARQ NACK message.
Optionally, network side equipment carries out blind examination to the HARQ feedback message according to the message format information.
It optionally, include: eMBB business datum, URLLC business datum, mMTC by the data that the transmission block TB is transmitted
Business datum.
According to another aspect of the present invention, a kind of user equipment (UE) is provided, comprising: format acquisition unit, for obtaining net
What network side apparatus issued is used for transmission the message format information of hybrid automatic repeat-request HARQ feedback message；Data demodulation list
Member, the transmission block TB sent for receiving the network side equipment carry out demodulation process to the TB；Generation unit is fed back, is used
In generating corresponding with the demodulation result of TB HARQ feedback message based on the message format information, and pass through uplink control
Channel processed is sent to the network side equipment.
Optionally, the format acquisition unit, the institute sent for receiving the network side equipment by RRC high-level signaling
State message format information, wherein the network side equipment determines that the message format is believed according to processing capacity and/or business load
Breath.
Optionally, the message format information be include at least one physical uplink control channel PUCCH format
Format subset.
Optionally, at least one described PUCCH format include: include a bit for being used to indicate TB demodulation result
First format includes the second format for being used to indicate multiple bits of transmission code block group CBG demodulation result.
Optionally, the feedback generation unit, for choosing first format or institute according to the demodulation result of the TB
The second format is stated, the HARQ feedback message is generated based on first format or second format；Wherein, the HARQ is anti-
Presenting message includes: HARQ ACK message, HARQ NACK message.
Optionally, the data demodulation unit, for carrying out CRC check to each CBG in the TB and the TB；
The feedback generation unit, if being successfully and for the CRC of the TB for the CRC check result for each CBG
Check results are failure, then generate HARQ NACK message based on first format.
Optionally, the feedback generation unit, if the CRC check result for each CBG for the TB is
Failure then generates HARQ NACK message based on first format.
Optionally, the feedback generation unit, if the CRC check result for the n CBG for the TB is to lose
It loses, then HARQ NACK message corresponding with the n CBG is generated based on second format, pass through second format
The CRC check result of n CBG of multiple bit indications is failure.
Optionally, the feedback generation unit, for preferentially choosing first format according to the demodulation result of the TB,
HARQ ACK message or HARQ NACK message are generated based on first format.
It optionally, include: eMBB business datum, URLLC business datum, mMTC by the data that the transmission block TB is transmitted
Business datum.
According to another aspect of the invention, a kind of user equipment (UE) is provided, comprising: memory；And it is coupled to described deposit
The processor of reservoir, the processor is configured to the instruction based on storage in the memory, executes weight as described above
Pass request feedback message transmission method.
In accordance with a further aspect of the present invention, a kind of communication system is provided, comprising: network side equipment, UE as described above.
Optionally, the network side equipment carries out blind examination to the HARQ feedback message that the UE is sent.
Retransmission request feedback message transmission method, UE and communication system of the invention, UE obtain what network side equipment issued
It is used for transmission the message format information of HARQ feedback message, is generated based on message format information corresponding with the demodulation result of TB
HARQ feedback message；Network side equipment can configure the used PUCCH format of HARQ feedback according to processing capacity, business load etc.
Subset increases processing flexibility；UE can select suitable PUCCH format to carry out HARQ feedback, reduce PUCCH expense or raising
PUCCH transmission reliability；Network side equipment carries out blind examination to HARQ feedback according to PUCCH format, reduces processing complexity.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the present invention, for those of ordinary skill in the art, without any creative labor, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is the flow diagram of one embodiment of retransmission request feedback message transmission method according to the present invention；
Fig. 2 is the flow diagram of another embodiment of retransmission request feedback message transmission method according to the present invention；
Fig. 3 is the module diagram of one embodiment of UE according to the present invention；
Fig. 4 is the module diagram of another embodiment of UE according to the present invention.
Specific embodiment
With reference to the accompanying drawings to invention is more fully described, wherein illustrating exemplary embodiment of the present invention.Under
Face will combine the attached drawing in the embodiment of the present invention, and technical scheme in the embodiment of the invention is clearly and completely described, show
So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
" first " hereinafter, " second " etc. are only used for distinguishing in description, and there is no other special meanings.
Fig. 1 is the flow diagram of one embodiment of retransmission request feedback message transmission method according to the present invention, such as
Shown in Fig. 1:
Step 101, UE obtains the message format information for being used for transmission HARQ feedback message that network side equipment issues.UE can
Think mobile phone, PAD etc..Hybrid automatic repeat-request (Hybrid Automatic Repeat reQuest, HARQ) is a kind of incites somebody to action
Forward error correction coding (FEC) and automatic repeat request (ARQ) combine and the technology that is formed.
Step 102, UE receives the transmission block TB (Transport Block) of network side equipment transmission), TB is solved
Mediate reason.Network side equipment can be base station etc., include: eMBB business datum, URLLC industry by the data that transmission block TB is transmitted
Business data, mMTC business datum etc..
Step 103, UE generates HARQ feedback message corresponding with the demodulation result of TB based on message format information, and leads to
It crosses uplink control channel and is sent to network side equipment.
Since the CRC check based on CBG is not supported in 3GPP RAN1 decision, then it will appear a TB by several CBG groups
At the CRC check inside each CBG based on CB passes through, and the unacceptable situation of the CRC check based on TB.More bit HARQ
ACK/NACK feedback increases uplink PUCCH expense.And CBG transmission is due to that can propose more physical layer process to MAC layer is transparent
High requirement.Retransmission request feedback message transmission method of the invention has been filled up currently without being based on
CBG transmission carries out the blank of single-bit/more bits HARQ ACK/NACK feedback concrete scheme.
Fig. 2 is the flow diagram of another embodiment of retransmission request feedback message transmission method according to the present invention,
It is as shown in Figure 2:
Step 201, UE receives network side equipment and refers to radio resource by RRC (Radio Resource Control)
Control) high-level signaling send message format information.
Message format information can there are many.For example, it includes at least one physical uplink link that message format information, which is,
The format subset of control channel PUCCH (Physical Uplink Control CHannel) format.What formatter was concentrated
PUCCH format include: include the first format for being used to indicate a bit of TB demodulation result, include to be used to indicate transmission
The second format of multiple bits etc. of code block group CBG demodulation result.
In one embodiment, base station configures UE by RRC high-level signaling according to processing capacity, business load etc. and can lead to
It crosses uplink and sends the used PUCCH format subset Q of HARQ ACK/NACK feedback.If base station processing capacity is strong, load is light,
The PUCCH format that PUCCH format subset Q includes is multiple, if base station processing capacity is weak, load weight, PUCCH format subset
Q can only include 1 available PUCCH format.
For example, two PUCCH format formats in PUCCH format subset Q are as follows: PUCCH format Xa: corresponding 1 bit is based on
The HARQ A/N of TB is fed back；PUCCH format Xb: corresponding n bit HARQ A/N feedback includes the A/ of n CBG based on a TB
N feedback.It defines two kinds of PUCCH formats (format Xa and format Xb), increases base station and handle flexibility.
Step 202, UE chooses the first format or the second format according to the demodulation result of TB, is based on the first format or the second lattice
Formula generates HARQ feedback message.HARQ feedback message includes: HARQ ACK message, HARQ NACK message.
UE carries out CRC check to each CBG code block group (Code block group) in TB and TB.If for every
The CRC check result of a CBG is all successfully and is failure for the CRC check result of TB, then UE is generated based on the first format
HARQ NACK message.
If the CRC check result for each CBG of TB is failure, UE is based on the first format and generates HARQ
NACK message.If the CRC check result for the n CBG of TB is failure, UE is based on the second format and generates and n CBG phase
Corresponding HARQ NACK message, the CRC check result by n CBG of multiple bit indications of the second format is failure, multiple
The coding of bit can there are many settings.N is natural number, and n can be equal to the CBG sum in a TB.When n is equal in a TB
CBG sum when, UE preferentially chooses the first format according to the demodulation result of TB, based on the first format generate HARQ ACK message or
HARQ NACK message.
In one embodiment, UE is configuring PUCCH format subset Q to the demodulation case transmitted based on CBG according to downlink
Middle selection PUCCH format carries out HARQ A/N feedback.Such as: when the CRC check based on CB is logical inside each CBG in a TB
It crosses, and the CRC check based on TB is obstructed out-of-date, or when the n CBG of entire TB demodulate failure, usable format Xa is fed back
TB-NACK, or feed back using format Xb the NACK of n CBG demodulation failure, if be it is alternative if in the two it is preferred the former.If
Be in alternative then the two preferably the former.PUCCH expense can be reduced or improve PUCCH transmission reliability
Step 203, network side equipment carries out blind examination to HARQ feedback message according to the message format information.For example, base
It stands and blind examination is carried out to HARQ ACK/NACK is received according to the PUCCH format in PUCCH format subset Q.
The retransmission request feedback message transmission method provided in above-described embodiment, UE are raw based on the message format information issued
At HARQ feedback message corresponding with the demodulation result of TB；Network side equipment can match according to processing capacity, business load etc.
The used PUCCH format of HARQ feedback is set, increases base station and handles flexibility；UE can select suitable PUCCH format to carry out
HARQ feedback reduces PUCCH expense or improves PUCCH transmission reliability；Network side equipment can be according to PUCCH format to HARQ
Feedback carries out blind examination, reduces processing complexity；It has filled up and has carried out single-bit/more bits HARQ currently without based on CBG transmission
The blank of the concrete scheme of ACK/NACK feedback.
In one embodiment, as shown in figure 3, the present invention provides a kind of user equipment (UE) 30, comprising: format acquisition unit
31, data demodulation unit 32 and feedback generation unit 33.What the acquisition network side equipment of format acquisition unit 31 issued is used for transmission
The message format information of hybrid automatic repeat-request HARQ feedback message.Data demodulation unit 32 receives what network side equipment was sent
Transmission block TB carries out demodulation process to TB.Feed back demodulation result phase of the generation unit 33 based on message format information generation and TB
Corresponding HARQ feedback message, and network side equipment is sent to by uplink control channel.
Format acquisition unit 31 receives the message format information that network side equipment is sent by RRC high-level signaling.Message lattice
Formula information is the format subset for including at least one physical uplink control channel PUCCH format.PUCCH format includes:
Include the first format for being used to indicate a bit of TB demodulation result, include to be used to indicate transmission code block group CBG demodulation
As a result second format of multiple bits etc..
It feeds back generation unit 33 and first format or the second format is chosen according to the demodulation result of TB, based on the first format or the
Two formats generate HARQ feedback message.HARQ feedback message includes: HARQ ACK message, HARQ NACK message.Data demodulation list
Each CBG in 32 couples of TB and TB of member carries out CRC check.If the CRC check result for each CBG be successfully and
CRC check result for TB is failure, then feeds back generation unit 33 and be based on the first format generation HARQ NACK message.
If the CRC check result for each CBG of TB is failure, feeds back generation unit 33 and be based on the first format
Generate HARQ NACK message.If the CRC check result for the n CBG of TB is failure, feeds back generation unit 33 and be based on
Second format generates corresponding with n CBG HARQ NACK message, passes through n CBG's of multiple bit indications of the second format
CRC check result is failure.It feeds back generation unit 33 and first format is preferentially chosen according to the demodulation result of TB, be based on the first format
Generate HARQ ACK message or HARQ NACK message.
Fig. 4 is the module diagram of another embodiment of UE according to the present invention.As shown in figure 4, the device may include
Memory 41, processor 42, communication interface 43 and bus 44.For storing instruction, processor 42 is coupled to be deposited memory 41
Reservoir 41, processor 42 are configured as realizing that above-mentioned retransmission request feedback message passes based on the instruction execution that memory 41 stores
Transmission method.On network side equipment and memory 41, processor 42, communication interface 43 and bus 44 are provided on UE.
Memory 41 can be high speed RAM memory, nonvolatile memory (NoN-volatile memory) etc., deposit
Reservoir 41 is also possible to memory array.Memory 41 is also possible to by piecemeal, and block can be combined into virtually by certain rule
Volume.Processor 42 can be central processor CPU or application-specific integrated circuit ASIC (ApplicatioN Specific
INtegrated Circuit), or it is arranged to implement one of retransmission request feedback message transmission method of the invention
Or multiple integrated circuits.
In one embodiment, the present invention is provided in a kind of communication system, including network side equipment, any embodiment as above
UE.
Retransmission request feedback message transmission method, UE and the communication system provided in above-described embodiment, UE obtain network side
What equipment issued is used for transmission the message format information of HARQ feedback message, generates the demodulation knot with TB based on message format information
The corresponding HARQ feedback message of fruit, and network side equipment is sent to by uplink control channel；Network side equipment can basis
Processing capacity, business load etc. configure the used PUCCH format subset of HARQ feedback, increase base station and handle flexibility；UE can
It selects suitable PUCCH format to carry out HARQ feedback, reduce PUCCH expense or improves PUCCH transmission reliability；Network side equipment
Blind examination is carried out to HARQ feedback according to PUCCH format, reduces processing complexity；It has filled up and has been carried out currently without based on CBG transmission
The blank of single-bit/more bits HARQ ACK/NACK feedback concrete scheme.
Method and system of the invention may be achieved in many ways.For example, can by software, hardware, firmware or
Software, hardware, firmware any combination realize method and system of the invention.The said sequence of the step of for method is only
In order to be illustrated, the step of method of the invention, is not limited to sequence described in detail above, especially says unless otherwise
It is bright.In addition, in some embodiments, also the present invention can be embodied as to record program in the recording medium, these programs include
For realizing machine readable instructions according to the method for the present invention.Thus, the present invention also covers storage for executing according to this hair
The recording medium of the program of bright method.
Description of the invention is given for the purpose of illustration and description, and is not exhaustively or will be of the invention
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.It selects and retouches
It states embodiment and is to more preferably illustrate the principle of the present invention and practical application, and those skilled in the art is enable to manage
The solution present invention is to design various embodiments suitable for specific applications with various modifications.
Claims (24)
1. a kind of retransmission request feedback message transmission method characterized by comprising
User equipment (UE) obtains the message for being used for transmission hybrid automatic repeat-request HARQ feedback message that network side equipment issues
Format information；
The UE receives the transmission block TB that the network side equipment is sent, and carries out demodulation process to the TB；
The UE generates HARQ feedback message corresponding with the demodulation result of the TB based on the message format information, and leads to
It crosses uplink control channel and is sent to the network side equipment.
2. the method as described in claim 1 characterized by comprising
The UE receives the message format information that the network side equipment is sent by RRC high-level signaling；
Wherein, the network side equipment determines the message format information according to processing capacity and/or business load.
3. method according to claim 2, which is characterized in that
The message format information is the format subset for including at least one physical uplink control channel PUCCH format.
4. method as claimed in claim 3, which is characterized in that
At least one described PUCCH format include: include the first format for being used to indicate a bit of TB demodulation result, packet
The second format containing the multiple bits for being used to indicate transmission code block group CBG demodulation result.
5. method as claimed in claim 4, which is characterized in that the UE is based on the message format information and generates and the TB
The corresponding HARQ feedback message of demodulation result include:
The UE chooses first format or second format according to the demodulation result of the TB, is based on first format
Or second format generates the HARQ feedback message；
Wherein, the HARQ feedback message includes: HARQ ACK message, HARQ NACK message.
6. method as claimed in claim 5, which is characterized in that further include:
The UE carries out CRC check to each CBG in the TB and the TB；
If the CRC check result for each CBG is successfully and is failure for the CRC check result of the TB,
The UE is based on first format and generates HARQ NACK message.
7. method as claimed in claim 5, which is characterized in that further include:
If the CRC check result for each CBG of the TB is failure, the UE is generated based on first format
HARQ NACK message.
8. method as claimed in claim 5, which is characterized in that further include:
If for the TB n CBG CRC check result be failure, the UE be based on second format generate with
The corresponding HARQ NACK message of the n CBG, passes through the CRC check of n CBG of multiple bit indications of second format
It as a result is failure, wherein n is natural number, and n is less than or equal to the CBG sum in TB.
9. method as claimed in claim 5, which is characterized in that further include:
The UE preferentially chooses first format according to the demodulation result of the TB, generates HARQ based on first format
ACK message or HARQ NACK message.
10. the method as described in claim 1, which is characterized in that further include:
Network side equipment carries out blind examination to the HARQ feedback message according to the message format information.
11. the method as described in claim 1, which is characterized in that
It include: eMBB business datum, URLLC business datum, mMTC business datum by the data that the transmission block TB is transmitted.
12. a kind of user equipment (UE) characterized by comprising
Format acquisition unit is used for transmission hybrid automatic repeat-request HARQ feedback message for obtain that network side equipment issues
Message format information；
Data demodulation unit, the transmission block TB sent for receiving the network side equipment carry out demodulation process to the TB；
Generation unit is fed back, it is anti-for generating HARQ corresponding with the demodulation result of the TB based on the message format information
Message is presented, and the network side equipment is sent to by uplink control channel.
13. UE as claimed in claim 12, which is characterized in that
The format acquisition unit, the message format sent for receiving the network side equipment by RRC high-level signaling
Information, wherein the network side equipment determines the message format information according to processing capacity and/or business load.
14. UE as claimed in claim 13, which is characterized in that
The message format information is the format subset for including at least one physical uplink control channel PUCCH format.
15. UE as claimed in claim 14, which is characterized in that
At least one described PUCCH format include: include the first format for being used to indicate a bit of TB demodulation result, packet
The second format containing the multiple bits for being used to indicate transmission code block group CBG demodulation result.
16. UE as claimed in claim 15, which is characterized in that
The feedback generation unit, for choosing first format or second format according to the demodulation result of the TB,
The HARQ feedback message is generated based on first format or second format；Wherein, the HARQ feedback message includes:
HARQ ACK message, HARQ NACK message.
17. UE as claimed in claim 16, which is characterized in that
The data demodulation unit, for carrying out CRC check to each CBG in the TB and the TB；
The feedback generation unit, if being successfully and for the TB for the CRC check result for each CBG
CRC check result is failure, then generates HARQ NACK message based on first format.
18. UE as claimed in claim 16, which is characterized in that
The feedback generation unit is based on if the CRC check result for each CBG for the TB is failure
First format generates HARQ NACK message.
19. UE as claimed in claim 16, which is characterized in that
The feedback generation unit, if the CRC check result for the n CBG for the TB is failure, based on described
Second format generates HARQ NACK message corresponding with the n CBG, passes through multiple bit indication n of second format
The CRC check result of a CBG is failure.
20. UE as claimed in claim 16, which is characterized in that
The feedback generation unit, for preferentially choosing first format according to the demodulation result of the TB, based on described the
One format generates HARQ ACK message or HARQ NACK message.
21. UE as claimed in claim 12, which is characterized in that
It include: eMBB business datum, URLLC business datum, mMTC business datum by the data that the transmission block TB is transmitted.
22. a kind of user equipment (UE) characterized by comprising
Memory；And
It is coupled to the processor of the memory, the processor is configured to the instruction based on storage in the memory,
Execute the retransmission request feedback message transmission method as described in any one of claims 1 to 11.
23. a kind of communication system characterized by comprising
Network side equipment, the UE as described in claim 12 to 21.
24. system as claimed in claim 23, which is characterized in that
The network side equipment carries out blind examination to the HARQ feedback message that the UE is sent.
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