CN104144042B - The method and apparatus for being used for transmission confirmation message - Google Patents
The method and apparatus for being used for transmission confirmation message Download PDFInfo
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- CN104144042B CN104144042B CN201310172968.8A CN201310172968A CN104144042B CN 104144042 B CN104144042 B CN 104144042B CN 201310172968 A CN201310172968 A CN 201310172968A CN 104144042 B CN104144042 B CN 104144042B
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Abstract
The present invention provides a kind of method and apparatus for being used for transmission confirmation message.The described method includes: receiving one or more transmission frames from base station at user equipment；Judge the current-configuration of received current transmission frame whether change relative to the configuration of previous transmission frame；If do not changed, the binding size (M) for being used for transmission confirmation message is determined according to the current-configuration of current transmission frame；If changed, reference configuration is selected according to the current-configuration of the configuration of previous transmission frame and current transmission frame, the binding size (M ') for being used for transmission confirmation message is determined based on current-configuration, the configuration of previous transmission frame and reference configuration；The format for the Physical Uplink Control Channel for being used for transmission confirmation message is at least determined based on binding size (M, M ')；And confirmation message is transmitted using the format of identified Physical Uplink Control Channel, wherein confirmation message includes one of positive acknowledgment (ACK) and negative confirmation (NACK).
Description
Technical field
The present invention relates to wireless communication systems, and more particularly, in long-term advancing time division duplex (LTE TDD) system
The method and apparatus of confirmation message are used for transmission in system.
Background technique
In nearest third generation partner program (3GPP) meeting, the downlink chain for LTE TDD is had already been through
The new job for further enhancing (e IMTA) of road-uplink (DL-UL) interference management and flow adaptation.In the work
Make in project, HARQ (hybrid automatic repeat-request)/scheduling problem be still critical issue listed in bibliography [1] it
One.About HARQ/ scheduling conflict problem, detailed solution has been proposed in bibliography [2].About physical down
Link shared channels (PDSCH) HARQ feedback problem, for being configured as through physical uplink control channel (PUCCH) lattice
Formula 1a/1b/ has for the UE of the 1b or PUCCH3 of channel selection to carry out HARQ transmission, reconfigures in TDD UL-DL
Determining positive acknowledgment (ACK) later/negative confirmation (NACK) binding (bundling) size M can not may indicate to be transmitted
DL subframe actual number, therefore it may cause ACK/NACK mistake or the ACK/NACK wasting of resources.
In TDD e IMTA in the case where changing TDD UL-DL configuration due to flow adaptation, HARQ/ scheduling
Timing conflict is likely to occur.In order to solve the problems, such as the HARQ/ scheduling conflict in TDD e IMTA, can be carried using in TDD
Wave polymerize the thought of " reference configuration (r eference configuration) " used in (CA), can be from multiple companies
Technical literature ([3]-[7] in such as RAN1 72bis) in obtain.Proposal in bibliography [2] also with the thought one
It causes.But when using reference configuration, it is based on reconfiguring being obtained since binding size M ' actually required may both be not equal to
The M obtained is also not equal to based on reference configuration M obtained, it is therefore desirable to dynamically be adjusted according to the change of TDD UL-DL configuration
Section binding size M ', so as to avoid ACK/NACK mistake or the ACK/NACK wasting of resources.
Bibliography list
[1]R1-121772 New work item proposal for Further Enhancements to LTE
TDD for DL-UL Interference Management and Traffic Adaptation
[2] R1-131200 Discussion on HARQ and scheduling for TDD eIMTA, ALU, ASB
[3] R1-131458On efficient signaling of Dynamic TDD, Ericsson, ST-
Ericsson
[4] R1-131419HARQ Des ign for eIMTA, NTT DOCOMO
[5] R1-131013 On HARQ operation for TDD UL-DL reconfiguration, Samsung
[6] R1-131206On HARQ Timing Issues in TDD eIMTA Systems, HTC
[7] R1-131065 Issues about data transmission in TDD-eIMTA, ZTE
[8]3GPP TS36.213
Summary of the invention
In order to solve the above-mentioned problems in the prior art, embodiments of the present invention are proposed for based on flow
Be adapted to and change TDD UL-DL configuration in the case where, dynamically adjust binding size value be effectively performed confirmation message biography
Defeated method and apparatus.
According to an aspect of the invention, there is provided a kind of method for being used for transmission confirmation message, comprising: in user equipment
Place receives one or more transmission frames from base station；Judgement received current transmission frame current-configuration relative to previous transmission frame
Configuration whether change；If do not changed, is determined according to the current-configuration of the current transmission frame and be used for transmission confirmation
The binding size (M) of information；If changed, according to the configuration of the previous transmission frame and working as the current transmission frame
Preceding configuration to select reference configuration, based on it is described be currently configured, the configuration of the previous transmission frame and the reference configuration come
Determine the binding size (M ') for being used for transmission confirmation message；Institute is at least used for transmission to determine based on the binding size (M, M ')
State the format of the Physical Uplink Control Channel of confirmation message；And it is passed using the format of identified Physical Uplink Control Channel
The defeated confirmation message, wherein the confirmation message includes one of positive acknowledgment (ACK) and negative confirmation (NACK).
Preferably, according to another aspect of the present invention, the method for being used for transmission confirmation message further comprises: according to
In the reference configuration preset downlink subframe be used for transmission confirmation message sub-frame of uplink relation integration and boundary
The intersection of downlink subframe on frame in the current transmission frame, described is used for transmission confirmation letter to determine actually be mapped to
The set (K ') of the one or more associations downlink subframe of the sub-frame of uplink of breath, wherein the boundary frame includes being next to described work as
One or two transmission frame and the current transmission frame before preceding transmission frame, and the binding size is equal to one
Or the number of the downlink subframe in the set (K ') of multiple association downlink subframes.
According to another aspect of the present invention, a kind of device for communication is provided, comprising: receiver is configured for
One or more transmission frames are received from base station；Processor is configured for: judgement received current transmission frame current-configuration
Whether the configuration relative to previous transmission frame changes；If do not changed, according to the current-configuration of the current transmission frame come
Determine the binding size (M) for being used for transmission confirmation message；If changed, according to the configuration of the previous transmission frame and institute
The current-configuration of current transmission frame is stated to select reference configuration, based on it is described be currently configured, the configuration of the previous transmission frame with
And the reference configuration determines the binding size (M ') for being used for transmission confirmation message；And it is at least big based on the bundled window
Small (M, M ') determines the format of the Physical Uplink Control Channel for being used for transmission the confirmation message；And transmitter, it is configured
It is used for transmission the confirmation message, wherein the confirmation message includes one of positive acknowledgment (ACK) and negative confirmation (NACK).
Preferably, according to another aspect of the invention, it is described for communication device in, the processor further by
It is configured to the pass according to downlink subframe preset in the reference configuration and the sub-frame of uplink for being used for transmission confirmation message
Connection, which is gathered with the intersection of the downlink subframe on boundary frame, determines the use that will be actually mapped in the current transmission frame
In the set (K ') of the one or more associations downlink subframe of the sub-frame of uplink of transmission confirmation message, wherein the boundary frame includes
One or two transmission frame and the current transmission frame before being next to the current transmission frame, and the binding size
Equal to the number of the downlink subframe in the set (K ') of one or more of association downlink subframes.
Detailed description of the invention
It refers to the following detailed description in conjunction with the accompanying drawings, the feature, advantage and other aspects of each embodiment of the present invention will become
Must be more obvious, show several embodiments of the invention by way of example rather than limitation herein.In the accompanying drawings:
Fig. 1 illustrates in the case where no TDD UL/DL is reconfigured, DL subframe and the UL for HARQ-ACK feedback
The mapping relations of subframe n；
Fig. 2 (a) and (b) are respectively illustrated in the case where reconfiguring with TDD UL/DL, are directlyed adopt and are reconfigured
With the mapping relations of DL subframe when reference configuration and the UL subframe n for HARQ-ACK feedback；
Fig. 3 illustrate embodiment according to the present invention in the case where being reconfigured to transmission frame, DL subframe
With the mapping relations of the UL subframe n fed back for HARQ-ACK；
Fig. 4 illustrates the method 400 for being used for transmission confirmation message of embodiment according to the present invention；And
Fig. 5 illustrates the communication device 500 for being used for transmission confirmation message of embodiment according to the present invention.
Specific embodiment
Below with reference to each illustrative embodiments of attached drawing detailed description of the present invention.
It should be appreciated that providing these illustrative embodiments just for the sake of keeping those skilled in the art more preferable geographical
It solves and realizes the present invention in turn, be not intended to limit the scope of the invention in any way.
It is not necessarily in LTE TDD system, between downstream transmission symmetrical therefore sub more than uplink in downlink subframe
In the configuration of frame, it may appear that the case where reporting the confirmation message of multiple downlink subframes simultaneously in a sub-frame of uplink, therefore
Such as HARQ-ACK binding or multiplexing technology are used in the prior art.The number of confirmation message is reported to take in one sub-frame of uplink
Certainly in the configuration of LTE uplink downlink.
Specifically, for using user equipment of the PUCCH1a/1b/ with the 1b of CS, in current 3GPP
In TS36.213 specification, ACK/NACK feedback procedure is defined with the 1b format of CS for PUCCH1a/1b/, such as:
In response to the PDCCH/EPDCCH of indicating downlink link SPS (semi-persistent scheduling) release, by all independences
The HARQ-ACK and NACK of (with and without corresponding PDCCH/EPDCCH's) PDSCH transmission execute logical AND operation, across
M DL subframe associated with single UL subframe n executes HARQ-ACK binding by each code word.M is according to used UL-DL
Configuration and for HARQ-ACK transmission UL subframe and determination ACK/NACK bundle size.ACK/NACK bundlees big little finger of toe and needs
The number of the DL subframe of HARQ-ACK feedback is carried out in a UL subframe.M can be in table 1, i.e., in bibliography [8] 3GPP
The number of element in set K defined in table 10.1.3.1-1 in TS36.213 specification.For example, for UL-DL configuration 5
For situation, user equipment can transmit ACK/NACK corresponding with 9 DL subframes, 9 DL in a UL subframe n=2
The set K of subframe includes { 13,12,9,8,7,5,4,11,6 }.
Table 1: the downlink association set for TDD indexes K:{ k0, k1... kM-1}
There is the case where 1 element of M > for TDD HARQ-ACK multiplexing and UL subframe n, by all corresponding
Independent HARQ-ACK carries out logical AND operation, to execute the space HARQ-ACK binding in a DL subframe across multiple code words.
" space binding " refers to be compressed into a bit in latter two bit of logical AND operation.For TDD HARQ-ACK multiplexing and
UL subframe n has the case where M=1 element, it is not necessary to execute the space HARQ-ACK bundle in a DL subframe across multiple code words
It ties up.The case where for being configured with a serving cell, can send 1 using PUCCH format 1a or PUCCH format 1b respectively
Or 2 HARQ-ACK bits.There is the PUCCH format 1b of CS can be used for the case where being configured with a serving cell.
Due in TDD eIMTA, when TDD configuration is changed based on flow adaptation, it may occur however that the timing of HARQ/ scheduling
Conflict, and reuse the M value in the TDD UL-DL UL subframe reconfigured and may result in the ACK/NACK of PUCCH
Mistake or the wasting of resources.Therefore embodiment according to the present invention, in the case where PDSCH HARQ, for previously unchanged
A reference configuration is found in UL-DL configuration, such as according to selecting reference configuration shown in table 2, and based on the UL-DL before change
It configures, reconfigure and reference configuration determines actual M value (that is, M ').
Reference UL/DL of the table 2 for PDSCH HARQ is configured
In the following description, it is assumed that the DL HARQ timing in TDD eIMTA defers to the choosing of table 1 and reference configuration
It selects and defers to table 2.But the present invention is not limited to this, those skilled in the art are it will be clear that each embodiment according to the present invention
Method is also applied for other with reference to timing or HARQ timing and other appropriate ways for selecting reference configuration.
Each embodiment according to the present invention reconfigures generation in UL-DL and selects accordingly in TDD eIMTA
In the case where reference configuration, for being configured with 1b of the PUCCH1a/1b/ with CS to carry out the UE of HARQ transmission, it should defer to
Following rule:
It (is indicated from the associated DL subframe set of UL subframe n of the carrying HARQ-ACK under different TDD UL-DL configuration
It should be included with boundary frame (that is, one in one or two frame before reconfiguring a little and after reconfiguring a little for K ')
A frame) on the n-th-k public DL subframes, wherein k ∈ K, and K is according to selected reference configuration and associated UL subframe
N is come the DL subframe set that determines.That is, set K ' is DL subframe and DL subframe included in set K on boundary frame
Intersection.
If with M ' indicate set K ' in element number, in this case, ACK/NACK binding size M=
M ', and not equal to the M value for being configured based on the UL-DL after reconfiguring or being obtained based on reference configuration, therefore this M value may
It is greater than or is likely less than M ', to will lead to ACK/NACK mistake or the wasting of resources.
Each embodiment according to the present invention reconfigures generation in UL-DL and selects accordingly in TDD eIMTA
In the case where reference configuration, for being configured with PUCCH format 3 to carry out the UE of HARQ transmission, following rule should be deferred to:
It (is expressed as from the different TDD UL-DL associated DL subframe set of UL subframe n for configuring lower carrying HARQ-ACK
K′c) it should be included with all n-th-k on boundary frame public DL subframes, wherein k ∈ K, and K is according to selected ginseng
Configuration and associated UL subframe n are examined come the set of the DL subframe determined.That is, set K ' be DL subframe on boundary frame with
The intersection of included DL subframe in set K.
The HARQ-ACK transmission carried out for passing through PUCCH or PUSCH in UL subframe n, wherein PUSCH is not needed
According to UL scheduling authorization come when dispatching,Wherein M 'cIt is set K 'cIn element number, andIt is for
For c serving cell, user equipment needs to feed back the number of the DL subframe of HARQ-ACK for it.
If selection reference configuration belong to { 0,1,2,3,4,6 } as shown in table 1, then in UL subframe n,
The HARQ-ACK transmission carried out by PUSCH, and PUSCH is needed according to UL scheduling authorization come when dispatching,Size need it is logical
The DAI (downlink distribution index) that crosses in UL scheduling authorization is adjusted, in this caseWherein M 'cIt is set K 'cIn element number,It is according to such as downlink control letter
Value determined by DAI (most significant bit (MSB) and least significant bit (LSB) of DCI) field in (DCI) format 0/4 is ceased, such as
Shown in table 3.
Table 3: it is worth according to determined by DAI field
If the reference configuration of selection belongs to { 5 }, for the HARQ-ACK carried out in UL subframe n, by PUSCH
Transmission, and PUSCH is needed according to UL scheduling authorization come when dispatching,Size need by DAI in UL scheduling authorization (under
Line link distribution index) it is adjusted, in this caseWherein U
Indicate the U in the serving cell of all configurationscMaximum value (c=1 for for the single CC the case where, and in this hair
The case where only considering c=1 in bright each embodiment), UcIt is the PDSCH received in the subframe n-k on c-th of serving cell
With the total number of the PDCCH of indicating downlink link SPS release, wherein k ∈ K.
Each embodiment according to the present invention is reconfigured on boundary frame a little in TDD UL-DL, is recalculated
PUCCH format the 1a/1b/ 1b with CS or the ACK/NACK in PUCCH format 3 bundle size M, without directly using again
The M value of configuration or the M value of reference configuration, so as to avoid ACK/NACK mistake and/or the wasting of resources.
It preferably, according to another implementation of the invention, can also in the case where recalculating M '=1 of acquisition
To use the PUCCH format 2a/2b with CS I report, and do not have to consider original M value.
Preferably, reference configuration only can be applied to have across frame HARQ's by another embodiment according to the present invention
DL subframe, i.e., the subframe being only applied to reference configuration in a frame before UL-DL is reconfigured a little, so as to by DL
In the HARQ delay reduction of frame a to transmission frame.
Below with reference to attached drawing 1-3, the method for embodiment according to the present invention is illustrated by specific example.
Fig. 1 illustrates in the case where no TDD UL/DL is reconfigured, DL subframe and the UL for HARQ-ACK feedback
The mapping relations of subframe n.In Fig. 1, the UL-DL configuration of the 1st frame of the 1st frame and the 3rd frame is #3.In this case, it uses
It is selected according to row corresponding to the configuration of TDD UL-DL shown in table 1 #3 determining M and set K using the PUCCH lattice with CS
It is not in problem that formula 1b, which carries out ACK/NACK transmission,.
However, in the case where there is TDD UL-DL to reconfigure shown in Fig. 2 (a), i.e. the configuration change when the 3rd frame
In the case where for #2, directlys adopt and reconfigure the M and K of #2 and may generate ACK/NACK mistake.Specifically, Fig. 2 (a) is illustrated
DL subframe and the mapping relations of the UL subframe n for HARQ-ACK feedback on each transmission frame.At this point, configuring # according to UL-DL
N=3 in 2, the 3rd frame, 4 subframe will not be used for row corresponding to UL. UL-DL according to shown in table 1 configuration #2 and determine
M=4, much smaller than on boundary frame UE the number of the DL subframe of HARQ-ACK feedback should be actually carried out to it.
Fig. 2 (b) is shown in the case where reconfiguring with TDD UL-DL, when using reference configuration on each transmission frame
DL subframe with for HARQ-ACK feedback UL subframe n mapping relations.Because the 2nd frame before reconfiguring a little is configured to
3 and the 3rd frame after reconfiguring a little be configured to 2, therefore referring to table 2, option and installment 5 is used as reference configuration.Then, then join
According to table 1, the determining M=9 of row according to corresponding to configuration 5.
According to the DL HARQ timing of UL/DL configuration 5 in table 1 it is found that the 3rd UL subframe (n=2) with the 3rd frame is associated
DL subframe, i.e. { 13,12,9,8,7,5,4,11,6 } a DL subframe set K before the UL subframe of n=2 are the corresponding { the 1st
The #9 subframe of frame, the #0 subframe of the 2nd frame, the #1 subframe of the 2nd frame, the #3 subframe of the 2nd frame, the #4 subframe of the 2nd frame, the #5 of the 2nd frame
Subframe, the #6 subframe of the 2nd frame, the #7 subframe of the 2nd frame, the #8 subframe of the 2nd frame } set, all to the HARQ-ACK of these DL subframes
It should be transmitted in the UL subframe of the n=2.In the case where Fig. 2 (b) is shown, including in above-mentioned DL set K, boundary
Public DL subframe set K ' on frame should include the #9 subframe of the 1st frame, the #0 subframe of the 2nd frame, the #1 subframe of the 2nd frame, the 2nd
The #5 subframe of frame, the #6 subframe of the 2nd frame, the #7 subframe of the 2nd frame, the #8 subframe of the 2nd frame }.Therefore, M ' at this time gathers equal to K '
In number of subframes, that is, be actually mapped to number M '=7 of the DL subframe of the 3rd (n=2) subframe of the 3rd frame, and and be not equal to
According to M=4 determined by #2 is reconfigured or according to reconfiguring M=9 determined by #5, to avoid ACK/NACK
Mistake in turn avoids the waste of ACK/NACK resource.
In addition, shown in Fig. 2 (b), if PUCCH3 is configured for the HARQ-ACK transmission of UE, it is assumed that
HARQ-ACK transmission is scheduled on the PUSCH of the 3rd UL subframe of the 3rd frame, then needs to be adjusted according to UL scheduling authorization,
And according to DC I0/4 " MSB, LSB " are detected as known to " 10 "In the side UE, it is assumed that UE has received 6 DL
The data of frame, then U=6 andEmbodiment according to the present invention, due to Mc '=7,
So in the case where transmission mode supports a transmission block or application space HARQ-ACK is bundled, the codebook size of PUCCH3
For
Fig. 3 show another embodiment according to the present invention in the case where being reconfigured to transmission frame,
The mapping relations of DL subframe and the UL subframe n for HARQ-ACK feedback.In this exemplary embodiment, only to across again
The DL subframe of collocation point two sides uses the HARQ timing of reference configuration, i.e., only to the 2nd frame and the 3rd frame application reference configuration #5.That
, the DL subframe set K ' for being mapped to the 3rd (n=2) UL subframe of the 3rd frame in this case only includes { #1 of the 2nd frame
Frame, the #5 subframe of the 2nd frame, the #6 subframe of the 2nd frame, the #7 subframe of the 2nd frame, the #8 subframe of the 2nd frame }, therefore M '=5.In the reality
Apply in mode, the HARQ-ACK of the #0DL subframe of #9DL subframe and the 2nd frame to the 1st frame still using original configuration #3 come into
Row, this shortens the time delay of 7 subframes compared to embodiment shown in Fig. 2 (b).
Fig. 4 shows the method 400 for being used for transmission confirmation message of embodiment according to the present invention.As shown in figure 4, user
Equipment receives one or more transmission frames from base station first in frame 401；Then the received current transmission of the judgement in frame 402 institute
The configuration of frame relative to receive whether the configuration of previous transmission frame is changed；If the judging result in frame 402 be it is no,
Do not change, then determined in frame 403 according to the current-configuration of current transmission frame be used for transmission confirmation message (for example,
ACK/NACK bit) ACK/NACK bundle size (M), later enter frame 406；If the judging result in frame 402 be it is yes,
I.e. configuration have occurred that change, then in frame 404 according to the current-configuration of the configuration of previous transmission frame and current transmission frame come
A reference configuration is selected, according to one embodiment of present invention, the reference configuration can be selected according to table 2；Then in frame
Confirmation message is used for transmission to determine based on current-configuration, the configuration of previous transmission frame and selected reference configuration in 405
ACK/NACK bundle size (M ')；Later enter frame 406, wherein at least based on identified ACK/NACK bundle size (M,
M ') determine the format of the Physical Uplink Control Channel for being used for transmission the confirmation message (such as ACK/NACK bit), according to this
The embodiment of invention, the format of the Physical Uplink Control Channel may include PUCCH1a, PUCCH1b, the PUCCH1b with CS
One of with PUCCH3；Finally in frame 407, confirmation message is transmitted using the format of identified Physical Uplink Control Channel.
Fig. 5 shows the communication device 500 for being used for transmission confirmation message of embodiment according to the present invention.As shown in figure 5,
Device 500 includes at least: receiver 501, is configured for receiving one or more transmission frames from base station；Processor 502 is matched
The method 400 for executing embodiment according to the present invention is set, such as the various processing in frame 402-406 shown in Fig. 4；Hair
Emitter 503 is configured for transmitting the confirmation message to downlink subframe, which includes positive acknowledgment (ACK) and negative
Confirm one of (NACK).Device 500 can also include memory 504, for storing execution method 400 during used in
Program code and data, for example, storage for table 1, table 2, table 3 data and store the received transmission frame of institute etc..
Although above-mentioned be described by taking LTE TDD system as an example, it should be understood by those skilled in the art that the present invention
It is not limited to this, for supporting any system of reference configuration, the method for each embodiment according to the present invention can be used
And device.
The description done above in conjunction with attached drawing simply to illustrate that the present invention and exemplary provide.Those skilled in the art
It is appreciated that different structures can be proposed based on the principle of the present invention described above, although these different structures are not
It is expressly recited or shows here, but all embody the principle of the present invention and be included within its spirit and scope.In addition, institute
Have referring herein to example be served only for introduction purpose mainly clearly to assist the readers in understanding the principles of the invention and inventor
The design of the promotion this field contributed, and it is not necessarily to be construed as limitation of the scope of the invention.In addition, all herein mention this
The statement of the principle, aspect and embodiment of invention and its specific example are comprising including its equivalent.
Claims (16)
1. a kind of method for being used for transmission confirmation message, comprising:
One or more transmission frames are received from base station at user equipment；
Judge the current-configuration of received current transmission frame whether change relative to the configuration of previous transmission frame；
If do not changed, determine that the binding for being used for transmission confirmation message is big according to the current-configuration of the current transmission frame
It is small；
If changed, select to join according to the current-configuration of the configuration of the previous transmission frame and the current transmission frame
Configuration is examined,
It is used for transmission based on the current-configuration, the configuration of the previous transmission frame and the reference configuration to dynamically determine
The binding size of confirmation message, wherein according to downlink subframe preset in the reference configuration and be used for transmission confirmation letter
The intersection of downlink subframe on the relation integration and boundary frame of the sub-frame of uplink of breath, come determine will actually be mapped to it is described current
The set of the one or more associations downlink subframe of in transmission frame, the described sub-frame of uplink for being used for transmission confirmation message；
The format for the Physical Uplink Control Channel for being used for transmission the confirmation message is at least determined based on the binding size；With
And
The confirmation message is transmitted using the format of identified Physical Uplink Control Channel, wherein the confirmation message includes
One of positive acknowledgment (ACK) and negative confirmation (NACK).
2. according to the method described in claim 1, wherein
The boundary frame includes one or two transmission frame and the current transmission before being next to the current transmission frame
Frame, and
The binding size is equal to the number of the downlink subframe in the set of one or more of association downlink subframes.
3. according to the method described in claim 2, wherein the boundary frame only includes the current transmission frame and the previous biography
Defeated frame.
4. according to the method described in claim 1, wherein the format of the Physical Uplink Control Channel includes at least one of the following:
Physical uplink control channel PUCCH format 1a, PUCCH format 1b and the PUCCH format 1b with channel selection (CS).
5. according to the method described in claim 4, wherein, in the case that the binding size is equal to 1, the physical uplink control
The format of channel processed further comprises the PUCCH format 2a or PUCCH format 2b with channel status information reports.
6. according to the method described in claim 1, wherein the format of the Physical Uplink Control Channel includes physical uplink link
Control channel PUCCH format 3.
7. according to the method described in claim 6, further comprising:
If the confirmation message physically will be transmitted on ink Shared Channel (PUSCH), according to uplink scheduling
It authorizes to adjust user equipment described in each serving cell and need for its downlink subframe for feeding back the confirmation message
Number.
8. method described in any one of -7 according to claim 1, wherein the reference configuration is according to predetermined previous
Relationship between configuring and reconfiguring selects, and the reference configuration includes seven kinds of configurations.
9. a kind of device for communication, comprising:
Receiver is configured for receiving one or more transmission frames from base station；
Processor is configured for:
Judge the current-configuration of received current transmission frame whether change relative to the configuration of previous transmission frame；
If do not changed, determine that the binding for being used for transmission confirmation message is big according to the current-configuration of the current transmission frame
It is small；
If changed, select to join according to the current-configuration of the configuration of the previous transmission frame and the current transmission frame
Configuration is examined,
It is used for transmission based on the current-configuration, the configuration of the previous transmission frame and the reference configuration to dynamically determine
The binding size of confirmation message, wherein according to downlink subframe preset in the reference configuration and be used for transmission confirmation letter
The intersection of downlink subframe on the relation integration and boundary frame of the sub-frame of uplink of breath, come determine will actually be mapped to it is described current
The set of the one or more associations downlink subframe of the sub-frame of uplink for being used for transmission confirmation message in transmission frame；And
The format for the Physical Uplink Control Channel for being used for transmission the confirmation message is at least determined based on the binding size；With
And
Transmitter is configured for transmitting the confirmation message,
Wherein the confirmation message includes one of positive acknowledgment (ACK) and negative confirmation (NACK).
10. device according to claim 9, wherein
The boundary frame includes one or two transmission frame and the current transmission before being next to the current transmission frame
Frame, and
The binding size is equal to the number of the downlink subframe in the set of one or more of association downlink subframes.
11. device according to claim 10, wherein the boundary frame only includes the current transmission frame and described previous
Transmission frame.
12. device according to claim 9, wherein the format of the Physical Uplink Control Channel include at least it is following it
One: physical uplink control channel PUCCH format 1a, PUCCH format 1b and the PUCCH format with channel selection (CS)
1b。
13. device according to claim 12, wherein in the case that actually binding size is equal to 1, the physical uplink
The format of control channel further comprises the PUCCH format 2a or PUCCH format 2b with channel status information reports.
14. device according to claim 9, wherein the format of the Physical Uplink Control Channel includes physical uplink link
Control channel PUCCH format 3.
15. device according to claim 14, wherein the processor is configured to:
If the confirmation message physically will be transmitted on ink Shared Channel (PUSCH), according to uplink scheduling
It authorizes to adjust the number that user equipment in each serving cell needs to be directed to its downlink frame for feeding back the confirmation message.
16. the device according to any one of claim 9-15, wherein the reference configuration is according to predetermined elder generation
Preceding configuration and relationship between reconfiguring select, and the reference configuration includes seven kinds of configurations.
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| US10686564B2 (en) * | 2017-04-18 | 2020-06-16 | Qualcomm Incorporated | Pre-timed and on-demand HARQ Ack feedback |
| CN110149173B (en) * | 2018-02-13 | 2021-03-05 | 电信科学技术研究院有限公司 | Semi-persistent scheduling transmission method, network side equipment and user terminal |
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| CN102694629A (en) * | 2011-03-25 | 2012-09-26 | 中兴通讯股份有限公司 | Processing method of backhaul link uplink feedback information in time division duplexing (TDD) system and system thereof |
| CN103095432A (en) * | 2011-11-07 | 2013-05-08 | 北京三星通信技术研究有限公司 | Method for sending hybridautomatic repeat-request acknowledgement (HARQ-ACK) feedback information |
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| CN102694629A (en) * | 2011-03-25 | 2012-09-26 | 中兴通讯股份有限公司 | Processing method of backhaul link uplink feedback information in time division duplexing (TDD) system and system thereof |
| CN103095432A (en) * | 2011-11-07 | 2013-05-08 | 北京三星通信技术研究有限公司 | Method for sending hybridautomatic repeat-request acknowledgement (HARQ-ACK) feedback information |
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