CN110048817A - Determine the method, apparatus and user equipment of HARQ feedback PUCCH resource - Google Patents
Determine the method, apparatus and user equipment of HARQ feedback PUCCH resource Download PDFInfo
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- CN110048817A CN110048817A CN201810036369.6A CN201810036369A CN110048817A CN 110048817 A CN110048817 A CN 110048817A CN 201810036369 A CN201810036369 A CN 201810036369A CN 110048817 A CN110048817 A CN 110048817A
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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]
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Abstract
The present invention provides the method, apparatus and user equipment of a kind of determining HARQ feedback PUCCH resource.The described method includes: needing the bit number size of the HARQACK/NACK fed back to determine PUCCH resource collection according to the feedback slot on identified feedback slot；It is concentrated from the PUCCH resource and determines available PUCCH resource；According to ARI in received DCI, the PUCCH resource of actual transmissions HARQ feedback is determined from the available PUCCH resource.The present invention can guarantee the successful determination of HARQ feedback PUCCH resource, it is ensured that UE carries out HARQ feedback in time.
Description
Technical field
The present invention relates to wireless communication technology field more particularly to a kind of methods of determining HARQ feedback PUCCH resource, dress
It sets and user equipment.
Background technique
In 5G (or be NR, New Radio), base station by DCI (Downlink Control Information,
Downlink Control Information) UE (User Equipment, user equipment) is dispatched, DCI can assign (DL with indicating downlink
) or uplink authorization (UL Grant) Assignment.Wherein downstream assigned is used to indicate to UE in PDSCH (Physical
Downlink Shared Channel, Physical Downlink Shared Channel) on the data transmitted, DCI needs designation date to transmit at this time
Modulating-coding format, occupied PDSCH running time-frequency resource (such as whether being same time slot (Slot), the institute on PDSCH with DCI
(Physical Resource Block, the Physical Resource Block) position the frequency domain resource used such as PRB and quantity), HARQ
(Hybrid Automatic Repeat reQuest, hybrid automatic repeat-request) process identification (PID), HARQ feedback temporal information
And the instruction information ARI (ACK/NACK Resource Index, ack/nack resources index) of HARQ feedback resource
Deng.UE receives downlink data in designated position according to the information of DCI, and according to reception state, (the accurate data that receive need to feed back
ACK, without accurately receiving feedback NACK), then in specified time slot in PUCCH (Physical Uplink Control
Channel, Physical Uplink Control Channel) resource feeding back ACK/NACK.Base station can distribute multiple PUCCH resource collection in advance for UE,
Each resource set corresponds to most 8 PUCCH resources, and the PUCCH resource in each resource set can transmit a certain number of ACK/
Nack message.As base station can distribute 3 PUCCH resource collection for UE:
PUCCH resource collection 1 can transmit the ACK/NACK information of most 2 bits, may include 6 PUCCH resources；
PUCCH resource collection 2 can transmit more than 2 bits but be no more than the ACK/NACK information of 8 bits, may include 4
PUCCH resource；
PUCCH resource collection 3 can transmit the ACK/NACK information more than 8 bits, may include 8 PUCCH resources.
Each PUCCH resource refers to uplink frequency domain position and occupied starting character number and symbol lengths.
Currently, UE is being needed (carrier wave from multiple carrier waves while can receive data when polymerizeing) after receiving downlink data
The time slot to be fed back determines that the HARQ ACK/NACK bit number for needing to feed back, the bit number fed back as needed determine that PUCCH is provided
Then source collection directly determines actual PUCCH resource by ARI.
It such as needs to feed back 4 bit ACKs/NACK, then selects PUCCH resource collection 2, then determined according to the ARI for including in DCI
Transmit the PUCCH resource of feedback.Usual ARI is 2 bits, can 4 values of maximum instruction.UE selection PUCCH resource collection 2 it
Afterwards, by ARI determine actual PUCCH resource be it is feasible, will not be problematic.If UE needs the ratio fed back in some time slot
Special number is 2 bits or 10 bits, needs to select PUCCH resource collection 1 or PUCCH resource collection 3 at this time, and PUCCH resource collection 1 or
PUCCH resource in PUCCH resource collection 3 can not determine actual PUCCH resource by ARI at this time, in turn more than 4
Cause UE that cannot carry out HARQ feedback in time.
Summary of the invention
The method, apparatus and user equipment of determining HARQ feedback PUCCH resource provided by the invention, can guarantee that HARQ is anti-
Present the successful determination of PUCCH resource, it is ensured that UE carries out HARQ feedback in time.
In a first aspect, the present invention provides a kind of method of determining HARQ feedback PUCCH resource, comprising:
On identified feedback slot, according to the bit number for the HARQ ACK/NACK that the feedback slot needs to feed back
Size determines PUCCH resource collection；
It is concentrated from the PUCCH resource and determines available PUCCH resource；
According to ARI in received DCI, actual transmissions HARQ feedback is determined from the available PUCCH resource
PUCCH resource.
Optionally, described to be concentrated from the PUCCH resource when determining that available PUCCH resource includes: according to the feedback
The available uplink symbol of gap determines available PUCCH resource.
Optionally, described to be concentrated from the PUCCH resource when determining that available PUCCH resource includes: according to the feedback
The PUCCH resource for meeting the minimum treat time in gap determines available PUCCH resource.
Optionally, described to be concentrated from the PUCCH resource when determining that available PUCCH resource includes: according to the feedback
The PUCCH resource for meeting minimum treat time and uplink timing advance in gap determines available PUCCH resource.
Optionally, when the maximum number of the ARI value that can be indicated is greater than or equal to identified available PUCCH money
When the number in source, it is described according to ARI in received DCI, actual transmissions HARQ is determined from the available PUCCH resource
The PUCCH resource of feedback includes:
Select PUCCH resource corresponding with value indicated by the ARI as practical from the available PUCCH resource
Transmit the PUCCH resource of HARQ feedback.
Optionally, when the maximum number of the ARI value that can be indicated is less than of identified available PUCCH resource
When number, the ARI according in the received DCI of institute, the determination actual transmissions HARQ feedback from the available PUCCH resource
PUCCH resource includes:
It sorts from the available PUCCH resource according to the sequencing of transmission time, is then indicated according to the ARI
Value selection corresponding position PUCCH resource；Or it is arranged from the available PUCCH resource according to transmission time length sequence
Sequence, then according to the PUCCH resource of the value selection corresponding position of ARI instruction；Or from the available PUCCH resource
It sorts according to the sequencing of the end of transmission, the PUCCH resource of corresponding position is then selected according to the value of ARI instruction, with
PUCCH resource of the selected PUCCH resource as actual transmissions HARQ feedback.
Second aspect, the present invention provide a kind of device of determining HARQ feedback PUCCH resource, comprising:
First determination unit, for needing the HARQ fed back according to the feedback slot in identified feedback slot
The bit number size of ACK/NACK determines PUCCH resource collection；
Second determination unit determines available PUCCH resource for concentrating from the PUCCH resource；
Third determination unit, for according to ARI in received DCI, determined from the available PUCCH resource real
The PUCCH resource of border transmission HARQ feedback.
Optionally, second determination unit, it is available for being determined according to the available uplink symbol of the feedback slot
PUCCH resource.
Optionally, second determination unit, for according to the PUCCH for meeting the minimum treat time in the feedback slot
Resource determines available PUCCH resource.
Optionally, second determination unit, for according to meeting minimum treat time and uplink in the feedback slot
The PUCCH resource of timing advance determines available PUCCH resource.
Optionally, the maximum number of the third determination unit, the value for that can indicate as the ARI is greater than or equal to
When the number of identified available PUCCH resource, from the available PUCCH resource selection with the ARI indicated by
It is worth PUCCH resource of the corresponding PUCCH resource as actual transmissions HARQ feedback.
Optionally, the third determination unit, the maximum number of the value for that can indicate as the ARI, which is less than, to be determined
Available PUCCH resource number when, from the available PUCCH resource according to transmission time sequencing sort,
Then according to the PUCCH resource of the value selection corresponding position of ARI instruction；Or it is pressed from the available PUCCH resource
It sorts according to transmission time length sequence, then according to the PUCCH resource of the value selection corresponding position of ARI instruction；Or from
It sorts in the available PUCCH resource according to the sequencing of the end of transmission, then according to the value selection pair of ARI instruction
The PUCCH resource for answering position, using selected PUCCH resource as the PUCCH resource of actual transmissions HARQ feedback.
The third aspect, the present invention provide a kind of user equipment, and the user equipment includes above-mentioned determining HARQ feedback PUCCH
The device of resource.
The method, apparatus and user equipment of determining HARQ feedback PUCCH resource provided in an embodiment of the present invention, according to anti-
After feedback time slot needs the bit number size of the HARQ ACK/NACK fed back to determine PUCCH resource collection, first from PUCCH resource
It concentrates and determines available PUCCH resource, then determine actual transmissions HARQ feedback from available PUCCH resource further according to ARI
PUCCH resource, so as to guarantee the successful determination of HARQ feedback PUCCH resource, it is ensured that UE carries out HARQ feedback in time, mentions
The spectrum efficiency of system is risen.
Detailed description of the invention
Fig. 1 is the flow chart for the method that one embodiment of the invention determines HARQ feedback PUCCH resource；
Fig. 2 is the structural schematic diagram for the device that one embodiment of the invention determines HARQ feedback PUCCH resource.
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
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of method of determining HARQ feedback PUCCH resource, as shown in Figure 1, the method packet
It includes:
S11, on identified feedback slot, the ratio of HARQ ACK/NACK fed back is needed according to the feedback slot
Special number size determines PUCCH resource collection.
S12, determining available PUCCH resource is concentrated from the PUCCH resource.
S13, according to ARI in received DCI, determine that actual transmissions HARQ is anti-from the available PUCCH resource
The PUCCH resource of feedback.
Specifically, when the maximum number of the ARI value that can be indicated is greater than or equal to identified available PUCCH money
When the number in source, selected from the available PUCCH resource PUCCH resource corresponding with value indicated by the ARI as
The PUCCH resource of actual transmissions HARQ feedback；
When the maximum number for the value that the ARI can be indicated is less than the number of identified available PUCCH resource, from
It sorts in the available PUCCH resource according to the sequencing of transmission time, then according to the value selection pair of ARI instruction
Answer the PUCCH resource of position；Or according to the transmission time length (symbolic number occupied from the available PUCCH resource
Number) sequence sequence, then according to the PUCCH resource of the value selection corresponding position of ARI instruction；Or from described available
It sorts in PUCCH resource according to the sequencing of the end of transmission, then according to the value selection corresponding position of ARI instruction
PUCCH resource, using selected PUCCH resource as the PUCCH resource of actual transmissions HARQ feedback.
The method of determining HARQ feedback PUCCH resource provided in an embodiment of the present invention, is needing to feed back according to feedback slot
HARQ ACK/NACK bit number size determine PUCCH resource collection after, first from PUCCH resource concentrate determination it is available
Then PUCCH resource determines the PUCCH resource of actual transmissions HARQ feedback further according to ARI from available PUCCH resource, from
And it can guarantee the successful determination of HARQ feedback PUCCH resource, it is ensured that UE carries out HARQ feedback in time, improves the frequency spectrum of system
Efficiency.
Combined with specific embodiments below pair present invention determine that the method for HARQ feedback PUCCH resource is described in detail.
UE in connected state establishes Data Radio Bearer, normal Develop Data transmission services with base station.
During initially setting up connected state, UE obtains the resource allocation information of HARQ feedback by system message first
(bit number for needing to feed back in a time slot at this time will not be very much), base station can be configured to by RRC signaling for UE later
The PUCCH resource of HARQ feedback.Base station configures PUCCH according to the quantity of UE serving cell, configuration of uplink and downlink timeslot etc. for UE
Resource set is used for feeding back ACK/NACK.As base station can distribute 3 PUCCH resource collection for UE:
PUCCH resource collection 1 can transmit the ACK/NACK information of most 2 bits, may include 6 PUCCH resources (from
5) PUCCH resource index 0 is indexed to PUCCH resource；
PUCCH resource collection 2 can transmit more than 2 bits but be no more than the ACK/NACK information of 8 bits, may include 4
PUCCH resource (from PUCCH resource index 0 to PUCCH resource index 3)；
PUCCH resource collection 3 can transmit the ACK/NACK information more than 8 bits, may include 8 PUCCH resources (from
7) PUCCH resource index 0 is indexed to PUCCH resource.
UE is dispatched by DCI in base station later, and UE determines the HARQ that each time slot needs to feed back according to actual schedule situation
The bit number of ACK/NACK, the bit number size fed back according to needs determine PUCCH resource collection.
PUCCH resource concentrates not every PUCCH resource to be suitable for the time slot, because the length of PUCCH resource can
Become, for example can take up an OFDM (Orthogonal Frequency Division Multiplexing, orthogonal frequency division multiplexing
With) symbol, it can take up multiple symbols such as 4 or 7 or 14 symbols.And need to transmit this time slot of HARQ feedback not
It is that all symbols are available UL (uplink) symbol, therefore are suitable for the feedback slot firstly the need of determining from resource set
Available PUCCH resource.
Specifically, UE determination can be determined with PUCCH resource according to UL symbolic number in feedback slot.
Such as time slot 5, the HARQ bit number for needing to feed back is 2, and corresponding PUCCH resource collection is 1, and time slot 5 is available
UL symbol is rear 7 symbols in 14 symbols, and (PUCCH resource indexes 0 He to preceding 2 PUCCH resources in PUCCH resource collection 1
1) it needs using preceding 7 symbols (part or all of) in 14 symbols, after other 4 PUCCH resources only use in 7 symbols
Some or all of.Therefore actually available PUCCH resource is 4, equal to the maximum of the value that can be indicated of the ARI in DCI
Number 4.Can identifying as 0 to 3 again, (i.e. original index is identified as 0 for 2 PUCCH resource, the PUCCH that original index is 3
Resource identification is 1, other number consecutivelies), then UE determines the PUCCH money of actual transmissions HARQ feedback according to the ARI in DCI
Source.If ARI instruction 11 indicates 3, then the PUCCH resource of mark 3 is obtained from available PUCCH resource (original
Resource index in PUCCH resource collection 1 is the 5) PUCCH resource as actual transmissions HARQ feedback.
Optionally, UE is that the process that renumbers of PUCCH resource can be omitted, and UE is according to the ARI value in DCI from PUCCH
Corresponding available PUCCH resource is obtained in resource set 1, if ARI value is 0, then first is obtained from PUCCH resource collection 1 can
The PUCCH resource that the PUCCH resource used is fed back as actual transmissions；If ARI value is 2, then the 3rd is obtained from PUCCH resource collection 1
The PUCCH resource that a available PUCCH resource is fed back as actual transmissions.
Optionally, it can also can be determined according to UL symbol in feedback slot and unknown symbols summation with PUCCH resource, such as
UL symbol quantity is 7 symbols, and unknown symbols are 2, then it is assumed that a total of 9 symbols are available, then according to this 9 symbols
Determine available PUCCH resource.
Optionally, UE determination can use the PUCCH resource for needing to exclude to be unsatisfactory for the minimum treat time when PUCCH resource.Such as
Feedback slot 5 (determination of feedback slot 5 is determined according to the instruction information in DCI), need to feed back base station in 3 He of time slot
The ACK/NACK of different data block is transmitted in time slot 4, however when PUCCH resource concentrated part resource is unsatisfactory for the minimum treat of UE
Between, it is 10 symbols as UE receives the minimum treat time needed after PDSCH, base station is accounted in the PDSCH that time slot 4 dispatches the UE
According to preceding 7 symbols in 14 symbols, therefore the earliest primary sign that can feed back of UE is the 4th symbol in time slot 5.Therefore
UE needs the PUCCH resource for excluding to occupy preceding 3 symbols when determination can use PUCCH resource.
Further, UE is in the earliest feedback time of determination, it is also necessary to consider uplink timing advance (Timing
Advance).When uplink timing advance is not 0, the earliest primary sign that UE can be fed back is not the 4th symbol in time slot 5
Number, but the 5th symbol or the 6th symbol in time slot 5, actual starting character number depend on the value of uplink timing advance.
After UE has determined available PUCCH resource, if also having more than 4 PUCCH resources, UE is true according to ARI
When determining PUCCH resource, UE sorts from available PUCCH resource according to the sequencing of transmission time, then refers to according to the ARI
The PUCCH resource of the value selection corresponding position shown, such as different PUCCH resource is successively from first symbol of time slot, second
Symbol ... starts to transmit, and UE sorts according to the sequencing of transmission, if there is the primary sign of multiple PUCCH resources is identical, then
The number that PUCCH resource of being subject to is concentrated, successively sorts, and then provides according to the PUCCH of the value selection corresponding position of ARI instruction
Source, when being designated as 10 such as ARI, UE selects the 3rd PUCCH resource anti-as transmission HARQ from the PUCCH resource after sequence
The PUCCH resource of feedback；
Or it is arranged from the available PUCCH resource according to transmission time length (the symbolic number number occupied) sequence
Sequence, then according to the PUCCH resource of the value selection corresponding position of ARI instruction, the symbol as occupied by different PUCCH resources
Number is different, and UE successively sorts according to the length of transmission time, if there is the transmission duration of multiple PUCCH resources is identical, then with
It successively sorts subject to the number that PUCCH resource is concentrated, then makees according to the PUCCH resource of the value selection corresponding position of ARI instruction
For the PUCCH resource for transmitting HARQ feedback；
Or sort from the available PUCCH resource according to the sequencing of the end of transmission, then according to the ARI
The PUCCH resource of the value selection corresponding position of instruction, such as end time of different PUCCH resources is different, some PUCCH resources
It needs to transmit in the last symbol of time slot, some PUCCH resources only need to occupy preceding 7 symbols of time slot, and UE is according to biography
Defeated end is successively successively sorted, and then the value according to ARI instruction selects the PUCCH resource of corresponding position anti-as transmission HARQ
The PUCCH resource of feedback.
Once base station also can be according to it should be noted that UE has selected one such implementation selection PUCCH resource
Identical mechanism determines the selected PUCCH resource of UE, therefore base station smoothly can solve UE transmission from corresponding PUCCH resource
ACK/NACK information.
The embodiment of the present invention also provides a kind of device of determining HARQ feedback PUCCH resource, as shown in Fig. 2, described device
Include:
First determination unit 11, for needing to feed back according to the feedback slot in identified feedback slot
The bit number size of HARQ ACK/NACK determines PUCCH resource collection；
Second determination unit 12 determines available PUCCH resource for concentrating from the PUCCH resource；
Third determination unit 13, for according to ARI in received DCI, determined from the available PUCCH resource
The PUCCH resource of actual transmissions HARQ feedback.
The device of determining HARQ feedback PUCCH resource provided in an embodiment of the present invention, is needing to feed back according to feedback slot
HARQ ACK/NACK bit number size determine PUCCH resource collection after, first from PUCCH resource concentrate determination it is available
Then PUCCH resource determines the PUCCH resource of actual transmissions HARQ feedback further according to ARI from available PUCCH resource, from
And it can guarantee the successful determination of HARQ feedback PUCCH resource, it is ensured that UE carries out HARQ feedback in time.
Optionally, second determination unit 12, it is available for being determined according to the available uplink symbol of the feedback slot
PUCCH resource.
Optionally, second determination unit 12, for according to meeting the minimum treat time in the feedback slot
PUCCH resource determines available PUCCH resource.
Optionally, second determination unit 12, for according to meet in the feedback slot minimum treat time and
The PUCCH resource of row timing advance determines available PUCCH resource.
Optionally, the maximum number of the third determination unit 13, the value for that can indicate as the ARI is greater than or waits
When the number of identified available PUCCH resource, from the available PUCCH resource selection with the ARI indicated by
PUCCH resource of the corresponding PUCCH resource of value as actual transmissions HARQ feedback.
Optionally, the third determination unit 13, the maximum number of the value for that can indicate as the ARI are less than institute really
When the number of fixed available PUCCH resource, arranged from the available PUCCH resource according to the sequencing of transmission time
Sequence, then according to the PUCCH resource of the value selection corresponding position of ARI instruction；Or from the available PUCCH resource
It sorts according to transmission time length sequence, then according to the PUCCH resource of the value selection corresponding position of ARI instruction；Or
It sorts from the available PUCCH resource according to the sequencing of the end of transmission, is then selected according to the value of ARI instruction
The PUCCH resource of corresponding position, using selected PUCCH resource as the PUCCH resource of actual transmissions HARQ feedback.
The device of the present embodiment can be used for executing the technical solution of above method embodiment, realization principle and technology
Effect is similar, and details are not described herein again.
The embodiment of the present invention also provides a kind of user equipment, and the user equipment includes above-mentioned determining HARQ feedback PUCCH
The device of resource.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer-readable storage medium
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (13)
1. a kind of method of determining HARQ feedback PUCCH resource characterized by comprising
On identified feedback slot, according to the bit number size for the HARQ ACK/NACK that the feedback slot needs to feed back
Determine PUCCH resource collection；
It is concentrated from the PUCCH resource and determines available PUCCH resource；
According to ARI in received DCI, the PUCCH of actual transmissions HARQ feedback is determined from the available PUCCH resource
Resource.
2. the method according to claim 1, wherein described concentrate determination available from the PUCCH resource
PUCCH resource includes: to determine available PUCCH resource according to the available uplink symbol of the feedback slot.
3. method according to claim 1 or 2, which is characterized in that described to concentrate determination available from the PUCCH resource
PUCCH resource includes: to determine available PUCCH money according to the PUCCH resource for meeting the minimum treat time in the feedback slot
Source.
4. according to the method described in claim 3, it is characterized in that, it is described according to minimum treat is met in the feedback slot when
Between PUCCH resource determine that available PUCCH resource includes: according to meeting minimum treat time and uplink in the feedback slot
The PUCCH resource of timing advance determines available PUCCH resource.
5. method according to claim 1 to 4, which is characterized in that when the value that the ARI can be indicated most
When big number is greater than or equal to the number of identified available PUCCH resource, it is described according to ARI in received DCI, from
The PUCCH resource of determining actual transmissions HARQ feedback includes: in the available PUCCH resource
Select PUCCH resource corresponding with value indicated by the ARI as actual transmissions from the available PUCCH resource
The PUCCH resource of HARQ feedback.
6. method according to claim 1 to 4, which is characterized in that when the value that the ARI can be indicated most
When big number is less than the number of identified available PUCCH resource, it is described according to ARI in received DCI, from it is described can
The PUCCH resource of determining actual transmissions HARQ feedback includes: in PUCCH resource
It sorts from the available PUCCH resource according to the sequencing of transmission time, the value then indicated according to the ARI
Select the PUCCH resource of corresponding position；Or sort from the available PUCCH resource according to transmission time length sequence,
Then according to the PUCCH resource of the value selection corresponding position of ARI instruction；Or it is pressed from the available PUCCH resource
According to the sequencing sequence of the end of transmission, then according to the PUCCH resource of the value selection corresponding position of ARI instruction, with institute
PUCCH resource of the PUCCH resource selected as actual transmissions HARQ feedback.
7. a kind of device of determining HARQ feedback PUCCH resource characterized by comprising
First determination unit, for needing the HARQ ACK/ fed back according to the feedback slot in identified feedback slot
The bit number size of NACK determines PUCCH resource collection；
Second determination unit determines available PUCCH resource for concentrating from the PUCCH resource；
Third determination unit, for according to ARI in received DCI, practical pass is determined from the available PUCCH resource
The PUCCH resource of defeated HARQ feedback.
8. device according to claim 7, which is characterized in that second determination unit, when for according to the feedback
The available uplink symbol of gap determines available PUCCH resource.
9. device according to claim 7 or 8, which is characterized in that second determination unit, for according to the feedback
The PUCCH resource for meeting the minimum treat time in time slot determines available PUCCH resource.
10. device according to claim 7 or 8, which is characterized in that second determination unit, for according to described anti-
Meet the minimum treat time in feedback time slot and the PUCCH resource of uplink timing advance determines available PUCCH resource.
11. device according to any one of claims 7 to 10, which is characterized in that the third determination unit, for working as
When the maximum number for the value that the ARI can be indicated is greater than or equal to the number of identified available PUCCH resource, from described
Select PUCCH resource corresponding with value indicated by the ARI as actual transmissions HARQ feedback in available PUCCH resource
PUCCH resource.
12. device according to any one of claims 7 to 10, which is characterized in that the third determination unit, for working as
When the maximum number for the value that the ARI can be indicated is less than the number of identified available PUCCH resource, from described available
It sorts in PUCCH resource according to the sequencing of transmission time, then according to the value selection corresponding position of ARI instruction
PUCCH resource；Or sort from the available PUCCH resource according to transmission time length sequence, then according to the ARI
The PUCCH resource of the value selection corresponding position of instruction；Or according to the successive of the end of transmission from the available PUCCH resource
Sequence sorts, then according to the PUCCH resource of the value selection corresponding position of ARI instruction, with selected PUCCH resource work
For the PUCCH resource of actual transmissions HARQ feedback.
13. a kind of user equipment, which is characterized in that the user equipment includes as described in any one of claim 7 to 12
Determine the device of HARQ feedback PUCCH resource.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114142976A (en) * | 2019-08-23 | 2022-03-04 | 维沃移动通信有限公司 | Method and terminal equipment for feeding back hybrid automatic repeat request acknowledgement |
| WO2022179336A1 (en) * | 2021-02-26 | 2022-09-01 | ***通信有限公司研究院 | Harq feedback method for multicast and/or broadcast services, terminal, and base station |
| WO2024022169A1 (en) * | 2022-07-25 | 2024-02-01 | 维沃移动通信有限公司 | Feedback resource determination methods and apparatuses, communication device, system and storage medium |
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