CN108075864A - Feedback method, system and the terminal of ACK/NACK - Google Patents
Feedback method, system and the terminal of ACK/NACK Download PDFInfo
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- CN108075864A CN108075864A CN201611020625.XA CN201611020625A CN108075864A CN 108075864 A CN108075864 A CN 108075864A CN 201611020625 A CN201611020625 A CN 201611020625A CN 108075864 A CN108075864 A CN 108075864A
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- ack
- nack
- indication information
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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
- H04L1/1671—Details of the supervisory signal the supervisory signal being transmitted together with control information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0055—Physical resource allocation for ACK/NACK
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- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of feedback method of ACK/NACK, system and terminals, are related to mobile communication technology field.After resource is distributed in base station for the ACK/NACK of each terminal in the present invention, sub-frame offset indication information and resource are deviated by indication information by downlink signaling and are sent to terminal, terminal determines that ACK/NACK feeds back the resource location in subframe and feedback subframe by the PDCCH information that the sub-frame offset indication information and resource of reception deviate indication information and detect, due to being directed to, different terminals is configured with flexible sub-frame offset indication information and resource deviates indication information and is sent to terminal and carries out feedback instruction, so as to solve the problems, such as 5G introduce flexible frame structure caused by multiple users ACK/NACK feedback resources conflict.
Description
Technical field
The present invention relates to mobile communication technology field, more particularly to a kind of feedback method of ACK/NACK, system and end
End.
Background technology
It is huge for the data transfer demands of magnanimity, it is necessary to which technology is come faster with the high speed development of mobile Internet
It realizes, 5G (the 5th third-generation mobile communication technology) research and development promote extremely urgent.The demand of 5G and challenge have proposed：(1) 5G includes three
Big application scenarios：Enhance mobile broadband scene, (Machine Type Communication, machine type lead to magnanimity connection MTC
Letter) scene, the highly reliable scene of low time delay.(2) ultra high-definition video, video conference, 3D game etc. in mobile broadband scene is enhanced
Using not only proposing higher demand to traffic rate；It also proposed higher requirement to time delay simultaneously.5G systems need to prop up
Higher data rate and lower time delay are held, and is provided for each user in network and ensures more good experience.(3)
The business such as car networking, tele-medicine and Industry Control propose time delay and higher to go in the highly reliable scene of low time delay.It will
Ask end-to-end time delay is minimum to be down to 1ms.
At present, 3GPP (3rd Generation Partnership Project, third generation partner program) standard
Change tissue and 5G is just being discussed using flexible subframe structure to tackle different application scene and different business demands, but it is flexibly sub
The introducing of frame may be affected to the technology of existing LTE (Long Term Evolution, Long Term Evolution).
PDSCH (Physical Downlink Shared Channel, the object for the downlink transmission data that LTE is defined at present
Manage DSCH Downlink Shared Channel) and ACK (Acknowledge, confirmation message) //NACK (Non-Acknowledge, unacknowledged information)
Correspondence is as follows：
For FDD (Frequency Division Duplexing, frequency division duplex), the sequential of PDSCH and ACK/NACK
Relation is fixed, 4th subframe feeding back ACK/NACK of the terminal after PDSCH is received.For TDD, PDSCH and ACK/NACK
Sequential relationship is also fixed for specific ratio of uplink subframe to downlink subframe.For the data PDSCH of downlink transfer, user is upper
Resource in the subframe that row feeding back ACK/NACK is used is also to be calculated by fixed formula.
However, 5G introduces flexible frame structure, downlink transfer had not only been included but also comprising uplink in each subframe, and
The sequential relationship of PDSCH and ACK/NACK will be fixed no longer, it may appear that the corresponding ACK/NACK of PDSCH of multiple downlinks are same
Moment is fed back, and as shown in fig. 1, is provided if still used in LTE in the feedback subframe of ACK/NACK and feedback subframe
The computational methods of source position, then can cause the ACK/NACK resources of multiple users may clash.
The content of the invention
A technical problem to be solved by this invention is：The ACK/ of multiple users caused by 5G introduces flexible frame structure
The problem of NACK feedback resources conflict.
According to an aspect of the present invention, the feedback method of the ACK/NACK provided a kind of, including：Terminal receives base station hair
The ACK/NACK feedback resources indication informations sent, ACK/NACK feedback resources indication informations include：Sub-frame offset indication information and
Resource deviates indication information；Terminal is according to sub-frame offset indication information and receives the subframes of physical down data, determines pair
The ACK/NACK feedback subframes answered；Terminal deviates the downlink physical control channel PDCCH of indication information and acquisition according to resource
The index of the first control channel unit CCE occupied determines the resource location in corresponding ACK/NACK feedbacks subframe；Terminal
The corresponding ACK/NACK information of resource location feedback physical down data in ACK/NACK feeds back subframe.
In one embodiment, terminal deviates first CCE of indication information and the PDCCH occupancy of acquisition according to resource
Index, determine that the resource location in corresponding ACK/NACK feedback subframe includes：Resource offset indication information includes：System is
The displacement of the ACK/NACK resource indexes of terminal configuration and resource offset；Terminal detection PDCCH obtains what PDCCH was occupied
The index of first CCE；Terminal provides the index of PDCCH first CCE occupied and system for the ACK/NACK of terminal configuration
The displacement of source index and resource offset are added, and determine the resource location in corresponding ACK/NACK feedbacks subframe.
In one embodiment, terminal receives the ACK/NACK feedback resources indication informations that base station is sent and includes：Terminal connects
Receive the ACK/NACK feedback resources indication informations that base station is sent by descending control signaling or radio resource control signaling.
In one embodiment, terminal according to sub-frame offset indication information and receive physical down data subframe it is true
Fixed corresponding ACK/NACK feedbacks subframe includes：Terminal detection PDCCH determines the son where Physical Downlink Shared Channel PDSCH
Frame；Subframe where PDSCH is added by terminal with the sub-frame offset in sub-frame offset indication information, determines corresponding ACK/
NACK feeds back subframe.
In one embodiment, by base station after sub-frame offset indication information and resource offset indication information independently encode
It is sent to terminal；Alternatively, terminal is sent to by base station after sub-frame offset indication information and resource offset indication information combined coding.
According to the second aspect of the invention, a kind of terminal provided, including：Indication information receiving module is fed back, is used for
The ACK/NACK feedback resources indication informations that base station is sent are received, ACK/NACK feedback resources indication informations include：Sub-frame offset
Indication information and resource offset indication information；Subframe determining module is fed back, for according to sub-frame offset indication information and reception
To the subframe of physical down data, corresponding ACK/NACK feedbacks subframe is determined；Feedback resources determining module, for according to resource
The index of first control channel unit CCE of indication information and the downlink physical control channel PDCCH occupancy of acquisition is deviated,
Determine the resource location in corresponding ACK/NACK feedbacks subframe；ACK/NACK feedback modules, for feeding back son in ACK/NACK
The corresponding ACK/NACK information of resource location feedback physical down data in frame.
In one embodiment, resource offset indication information includes：System is the ACK/NACK resource indexes of terminal configuration
Displacement and resource offset；Feedback resources determining module includes：CCE index acquiring units obtain for detecting PDCCH
The index for first CCE that PDCCH is occupied；Feedback resources determination unit, for the index for first CCE for occupying PDCCH
It is added with system for the displacement of the ACK/NACK resource indexes of terminal configuration and resource offset, determines corresponding ACK/
Resource location in NACK feedback subframes.
In one embodiment, feed back indication information receiving module, for receive base station by descending control signaling or
The ACK/NACK feedback resources indication informations that radio resource control signaling is sent.
In one embodiment, feedback subframe determining module includes：PDSCH subframe determination units, it is true for detecting PDCCH
Determine the subframe where Physical Downlink Shared Channel PDSCH；Feed back subframe determination unit, for by the subframe where PDSCH with son
Sub-frame offset in vertical shift indication information is added, and determines corresponding ACK/NACK feedbacks subframe.
According to the third aspect of the present invention, the reponse system of the ACK/NACK provided a kind of, including：Any one foregoing reality
The terminal in example is applied, further includes base station, ACK/NACK feedback resources indication informations are sent to terminal for passing through downlink signaling,
ACK/NACK feedback resources indication informations include：Sub-frame offset indication information and resource offset indication information.
In one embodiment, by base station after sub-frame offset indication information and resource offset indication information independently encode
It is sent to terminal；Alternatively, terminal is sent to by base station after sub-frame offset indication information and resource offset indication information combined coding.
After resource is distributed in base station for the ACK/NACK of each terminal in the present invention, sub-frame offset is indicated by downlink signaling
Information and resource offset indication information are sent to terminal, and terminal deviates instruction by the sub-frame offset indication information and resource of reception
Information and the PDCCH information detected determine the resource location in ACK/NACK feedback subframes and feedback subframe, due to pin
Flexible sub-frame offset indication information and resource offset indication information are configured with to different terminals and is sent to terminal and is carried out instead
Feedback instruction, so as to efficiently solve asking for the ACK/NACK feedback resources conflicts of multiple users caused by 5G introduces flexible frame structure
Topic.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
The schematic diagram of the ACK/NACK feedback resources conflicts of multiple users caused by Fig. 1 shows 5G introducing flexible frame structures.
Fig. 2 shows the flow diagram of the feedback method of the ACK/NACK of one embodiment of the present of invention.
Fig. 3 shows the flow diagram of the feedback method of the ACK/NACK of an alternative embodiment of the invention.
Fig. 4 shows the structure diagram of the terminal of one embodiment of the present of invention.
Fig. 5 shows the structure diagram of the reponse system of the ACK/NACK of one embodiment of the present of invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, belong to the scope of protection of the invention.
After introducing flexible frame structure for 5G, the definite side of subframe and resource location is still fed back using the ACK/NACK of LTE
The problem of method can cause the ACK/NACK feedback resources of multiple users to conflict, propose this programme.
With reference to the feedback method of the ACK/NACK of Fig. 2 description present invention.
Fig. 2 is the flow chart of feedback method one embodiment of ACK/NACK of the present invention.As shown in Fig. 2, the embodiment
Method includes：
Step S202, base station send ACK/NACK feedback resources indication informations to terminal.
Wherein, ACK/NACK feedback resources indication information includes：Sub-frame offset indication information and resource offset indication information.
Sub-frame offset indication information and resource deviate and are sent to terminal by base station after indication information can be encoded independently, can also join
It compiles in collaboration with and terminal is sent to by base station after code.Resource and expense can be saved using combined coding, for example, it is assumed that sub-frame offset indicates
Information has 6 kinds of different values to need 3bit using binary system absolute coding, resource offset indication information have 7 kinds of different values using two into
Absolute coding processed needs 3bit, if carrying out combined coding, shares 13 kinds of different values, it is only necessary to 4bit.
ACK/NACK feedback resources indication information can pass through descending control signaling or high-level signaling such as RRC (Radio
Resource Control, wireless heterogeneous networks) signalling.Preferably, sub-frame offset indication information is controlled by downlink and believed
Order transmission.
Step S204, terminal is according to sub-frame offset indication information and receives the subframes of physical down data, determines pair
The ACK/NACK feedback subframes answered.
Wherein, terminal detection PDCCH (Physical Downlink Control Channel, physical down control letter
Road), since PDCCH and PDSCH is located at same subframe, it may be determined that the subframe where PDSCH passes through the object of PDSCH transmission
Manage the subframe where downlink data.Terminal is by the subframe where PDSCH and the sub-frame offset phase in sub-frame offset indication information
Add, determine corresponding ACK/NACK feedbacks subframe.For example, the subframe where PDSCH is expressed as TPDSCH, sub-frame offset be on
Row ACK/NACK feeds back subframe and the sequential relationship of PDSCH is expressed as X, then ACK/NACK feeds back subframe T=TPDSCH+X。
Step S206, terminal deviate first CCE of indication information and the PDCCH occupancy of acquisition according to resource
The index of (Control Channel Element, control channel unit) determines the money in corresponding ACK/NACK feedbacks subframe
Source position.
Wherein, terminal obtains the index for first CCE that PDCCH is occupied by detecting PDCCH, such as is expressed as nCCE。
Wherein, resource offset indication information includes：System for terminal configuration ACK/NACK resource indexes displacement and
Resource offset.System is that the displacement i.e. system of the ACK/NACK resource indexes of terminal configuration is that the ACK/NACK that terminal configures exists
Used PRB (Physical Resource Block, Physical Resource Block index) and cyclic shift in one subframe
(Cyclic Shift), it is preferred that system is shifted through high-level signaling RRC hairs for the ACK/NACK resource indexes of terminal configuration
It send to terminal, continues to use the mode in LTE system, for example, using PUCCH (Physical Uplink Control
Channel, Physical Uplink Control Channel) form (format) 1 transmit ACK/NACK when, system be terminal configuration ACK/NACK
The displacement of resource index is expressed as N (1, PUCCH), and resource offset is for example expressed as Y, and resource offset can be believed by high level
Order transmission, it is preferred that resource offset is transmitted by descending control signaling.Base station can also be terminal configuration directly by system
The sum of the displacement of ACK/NACK resource indexes and resource offset are that the result of N (1, PUCCH)+Y deviates instruction letter as resource
Breath, is sent to terminal, if can be caused by descending control signaling larger by high-level signaling or by descending control signaling
Expense, and resource offset is required for transmitting for terminal feeding back ACK/NACK each time, and system is terminal configuration
The update cycle of the displacement of ACK/NACK resource indexes will be grown very much, it is preferred, therefore, that system is the ACK/NACK of terminal configuration
The update cycle of the displacement of resource index will be grown much is transmitted by RRC signaling, and resource offset is passed by descending control signaling
It is defeated.
The index of PDCCH first CCE occupied and system are the ACK/NACK resource indexes of terminal configuration by terminal
Displacement and resource offset are added, and determine the resource location in corresponding ACK/NACK feedbacks subframe.For example with PUCCH
During form 1, resource location n (1, PUCCH)=n in ACK/NACK feedback subframesCCE+ N (1, PUCCH)+Y.
Step S208, resource location feedback physical down data corresponding ACK/ of the terminal in ACK/NACK feeds back subframe
Nack message.
Wherein, based in abovementioned steps determine ACK/NACK feed back subframe, that is, determine uplink feedback ACK/NACK with
The sequential relationship of downlink reception PDSCH further determined the resource location in ACK/NACK feedback subframes, that is, determine anti-
Present the PRB and cyclic shift in subframe.
After resource is distributed in base station for the ACK/NACK of each terminal in the method for above-described embodiment, by downlink signaling by son
Vertical shift indication information and resource offset indication information are sent to terminal, the sub-frame offset indication information and money that terminal passes through reception
Source offset indication information and PDSCH the and PDCCH information detected determine ACK/NACK feedback subframes and feedback subframe
In resource location, due to be directed to different terminals be configured with flexible sub-frame offset indication information and resource offset indication information
And be sent to terminal and carry out feedback instruction, so as to efficiently solve the ACK/ of multiple users caused by 5G introduces flexible frame structure
The problem of NACK feedback resources conflict.
Another embodiment of the feedback method of ACK/NACK of the present invention is described with reference to Fig. 3.
Fig. 3 is the flow chart of another embodiment of the feedback method of ACK/NACK of the present invention.The embodiment is to apply PUCCH
Exemplified by form 1 sends ACK/NACK, as shown in figure 3, the method for the embodiment includes：
Step S302, base station configure the displacement N (1, PUCCH) of ACK/NACK resource indexes by high-level signaling for terminal.
Step S304, base station send descending control signaling to terminal, wherein carrying sub-frame offset X and resource offset Y.
Step S306, terminal detection PDCCH obtain the index n for first CCE that PDCCH is occupiedCCEAnd the son of PDSCH
Frame TPDSCH。
Step S308, terminal indicate to obtain sub-frame offset X and resource offset Y according to PDCCH.
Step S310, terminal is according to the subframe T of PDSCHPDSCHAnd sub-frame offset X determines corresponding ACK/NACK feedbacks
Subframe, i.e. T=TPDSCH+X。
Step S312, terminal according to configuration ACK/NACK resource indexes displacement N (1, PUCCH), PDCCH occupy first
The index n of a CCECCEAnd resource offset Y, determine the resource location in corresponding ACK/NACK feedback subframe, i.e. n (1,
PUCCH)=nCCE+ N (1, PUCCH)+Y.
Step S314, resource location n (1, PUCCH) feedback physical down data of the terminal in subframe T is fed back are corresponding
ACK/NACK information.
The present invention also provides a kind of terminals, are described with reference to Fig. 4.
Fig. 4 is the structure chart of one embodiment of terminal of the present invention.As shown in figure 4, the terminal 40 includes：
Indication information receiving module 402 is fed back, for receiving the ACK/NACK feedback resources indication informations of base station transmission,
ACK/NACK feedback resources indication informations include：Sub-frame offset indication information and resource offset indication information.
Wherein, indication information receiving module 402 is fed back, passes through descending control signaling or radio resource for receiving base station
The ACK/NACK feedback resources indication informations that control signaling is sent.
Subframe determining module 404 is fed back, for according to sub-frame offset indication information and receiving physical down data
Subframe determines corresponding ACK/NACK feedbacks subframe.
Further, feeding back subframe determining module 404 includes：PDSCH subframes determination unit 4041, for detecting PDCCH
Determine the subframe where Physical Downlink Shared Channel PDSCH；Subframe determination unit 4042 is fed back, for by the son where PDSCH
Frame is added with the sub-frame offset in sub-frame offset indication information, determines corresponding ACK/NACK feedbacks subframe.
Feedback resources determining module 406, the downlink physical for deviating indication information and acquisition according to resource control letter
The index for first control channel unit CCE that road PDCCH is occupied determines the resource-niche in corresponding ACK/NACK feedbacks subframe
It puts.
Wherein, resource offset indication information includes：System for terminal configuration ACK/NACK resource indexes displacement and
Resource offset.
Further, feedback resources determining module 406 includes：CCE indexes acquiring unit 4061, is obtained for detecting PDCCH
Take the index of first CCE of PDCCH occupancy；Feedback resources determination unit 4062, for first CCE for occupying PDCCH
Index and system be added for the displacement of the ACK/NACK resource indexes of terminal configuration and resource offset, determine corresponding
Resource location in ACK/NACK feedback subframes.
ACK/NACK feedback modules 408 feed back physical down number for the resource location in feeding back subframe in ACK/NACK
According to corresponding ACK/NACK information.
The present invention also provides a kind of reponse systems of ACK/NACK, are described with reference to Fig. 5.
Fig. 5 is the structure chart of one embodiment of the reponse system of ACK/NACK of the present invention.As shown in figure 5, the system 50
Including：Terminal 40 in any one foregoing embodiment, further includes：Base station 502.
Base station 502 sends ACK/NACK feedback resources indication informations for passing through downlink signaling to terminal, and ACK/NACK is anti-
Feedback resource indication information includes：Sub-frame offset indication information and resource offset indication information.
Wherein, sub-frame offset indication information and resource offset indication information are sent to after independently encoding by base station 502
Terminal 40；Alternatively, it is sent after the sub-frame offset indication information and resource offset indication information combined coding by the base station 502
To the terminal 40.
One of ordinary skill in the art will appreciate that hardware can be passed through by realizing all or part of step of above-described embodiment
It completes, relevant hardware can also be instructed to complete by program, the program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modifications, equivalent replacements and improvements are made should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of feedback method of ACK/NACK, which is characterized in that including：
Terminal receives the ACK/NACK feedback resources indication informations that base station is sent, the ACK/NACK feedback resources indication information bag
It includes：Sub-frame offset indication information and resource offset indication information；
The terminal is according to the sub-frame offset indication information and receives the subframes of physical down data, determines corresponding
ACK/NACK feeds back subframe；
The terminal deviates the first of indication information and the downlink physical control channel PDCCH occupancy of acquisition according to the resource
The index of a control channel unit CCE determines the resource location in corresponding ACK/NACK feedbacks subframe；
It is corresponding that the resource location of the terminal in the ACK/NACK feeds back subframe feeds back the physical down data
ACK/NACK information.
2. according to the method described in claim 1, it is characterized in that,
The terminal deviates the index of first CCE of indication information and the PDCCH occupancy of acquisition according to the resource, determines
Resource location in corresponding ACK/NACK feedbacks subframe includes：
The resource offset indication information includes：System for the terminal configuration ACK/NACK resource indexes displacement and
Resource offset；
The terminal detection PDCCH obtains the index for first CCE that PDCCH is occupied；
The terminal provides the index of the PDCCH first CCE occupied and system for the ACK/NACK of terminal configuration
The displacement of source index and the resource offset are added, and determine the resource location in corresponding ACK/NACK feedbacks subframe.
3. according to the method described in claim 1, it is characterized in that,
The terminal, which receives the ACK/NACK feedback resources indication informations that base station is sent, to be included：
The terminal receives base station and feeds back money by the ACK/NACK that descending control signaling or radio resource control signaling are sent
Source indication information.
4. according to the method described in claim 1, it is characterized in that,
The terminal according to the sub-frame offset indication information and receive physical down data subframe determine it is corresponding
ACK/NACK feedback subframes include：
The terminal detection PDCCH determines the subframe where Physical Downlink Shared Channel PDSCH；
Subframe where PDSCH is added by the terminal with the sub-frame offset in the sub-frame offset indication information, definite pair
The ACK/NACK feedback subframes answered.
5. according to claim 1-4 any one of them methods, which is characterized in that
The sub-frame offset indication information and resource offset indication information are sent to described by the base station after independently encoding
Terminal；
Alternatively, it is sent to after the sub-frame offset indication information and resource offset indication information combined coding by the base station described
Terminal.
6. a kind of terminal, which is characterized in that including：
Indication information receiving module is fed back, for receiving the ACK/NACK feedback resources indication informations of base station transmission, the ACK/
NACK feedback resources indication informations include：Sub-frame offset indication information and resource offset indication information；
Subframe determining module is fed back, for according to the sub-frame offset indication information and receiving the sons of physical down data
Frame determines corresponding ACK/NACK feedbacks subframe；
Feedback resources determining module, for deviating the downlink physical control channel of indication information and acquisition according to the resource
The index for first control channel unit CCE that PDCCH is occupied determines the resource-niche in corresponding ACK/NACK feedbacks subframe
It puts；
ACK/NACK feedback modules are fed back for the resource location in feeding back subframe in the ACK/NACK under the physics
The corresponding ACK/NACK information of row data.
7. terminal according to claim 6, which is characterized in that
The resource offset indication information includes：System for the terminal configuration ACK/NACK resource indexes displacement and
Resource offset；
The feedback resources determining module includes：
CCE index acquiring units, for detecting the index that PDCCH obtains first CCE that PDCCH is occupied；
Feedback resources determination unit, the index of first CCE for the PDCCH to be occupied are configured with system for the terminal
ACK/NACK resource indexes displacement and the resource offset be added, determine in corresponding ACK/NACK feedback subframe
Resource location.
8. terminal according to claim 6, which is characterized in that
The feedback indication information receiving module, passes through descending control signaling or radio resource control signaling for receiving base station
The ACK/NACK feedback resources indication informations of transmission.
9. terminal according to claim 6, which is characterized in that feedback subframe determining module includes：
PDSCH subframe determination units, for detecting the subframe where PDCCH determines Physical Downlink Shared Channel PDSCH；
Subframe determination unit is fed back, for by the sub-frame offset in the subframe where PDSCH and the sub-frame offset indication information
Amount is added, and determines corresponding ACK/NACK feedbacks subframe.
10. a kind of reponse system of ACK/NACK, which is characterized in that including claim 6-9 any one of them terminals, also wrap
It includes：Base station；
The base station sends ACK/NACK feedback resources indication informations, the ACK/ for passing through downlink signaling to the terminal
NACK feedback resources indication informations include：Sub-frame offset indication information and resource offset indication information.
11. system according to claim 10, which is characterized in that
The sub-frame offset indication information and resource offset indication information are sent to described by the base station after independently encoding
Terminal；
Alternatively, it is sent to after the sub-frame offset indication information and resource offset indication information combined coding by the base station described
Terminal.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110679104A (en) * | 2019-08-13 | 2020-01-10 | 北京小米移动软件有限公司 | HARQ feedback method, device and readable storage medium |
| CN110972269A (en) * | 2018-09-28 | 2020-04-07 | 普天信息技术有限公司 | Offset configuration method and device for user-specific search space |
| CN110999337A (en) * | 2019-11-06 | 2020-04-10 | 北京小米移动软件有限公司 | Transmission method, device and equipment of feedback sequence and readable storage medium |
| WO2021027815A1 (en) * | 2019-08-15 | 2021-02-18 | 华为技术有限公司 | Feedback information transmission method and apparatus |
| CN112583543A (en) * | 2019-09-27 | 2021-03-30 | 维沃移动通信有限公司 | Resource determination method and communication equipment |
| CN113676302A (en) * | 2020-05-15 | 2021-11-19 | 维沃移动通信有限公司 | Information indication method, information determination method, information indication device, information determination device and communication equipment |
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| CN112398616B (en) * | 2019-08-15 | 2022-05-17 | 华为技术有限公司 | Feedback information transmission method and device |
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| CN112583543B (en) * | 2019-09-27 | 2022-08-02 | 维沃移动通信有限公司 | Resource determination method and communication equipment |
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