CN102904698B - A kind of method of transmission HARQ ACK feedback informations - Google Patents
A kind of method of transmission HARQ ACK feedback informations Download PDFInfo
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- 238000004220 aggregation Methods 0.000 claims abstract description 14
- 238000013475 authorization Methods 0.000 claims abstract description 4
- 230000027455 binding Effects 0.000 claims description 61
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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
- H04L1/1614—Details of the supervisory signal using bitmaps
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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
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1854—Scheduling and prioritising arrangements
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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 signalling, i.e. of overhead other than pilot signals
- H04L5/0055—Physical resource allocation for ACK/NACK
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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
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
- H04L5/1469—Two-way operation using the same type of signal, i.e. duplex using time-sharing
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Abstract
The invention provides a kind of method of transmission HARQ ACK feedback informations, for carrier aggregation（CA）Middle multiple member carriers（CC）TDD upstream and downstreams configure different situations, the method includes：UE receives the uplink authorization that base station sends（UL grant）, downlink distribution index is obtained from the UL grant（UL DAI）；UE physically row shared channels（PUSCH）Send HARQ ACK feedback informations, the size of the UL DAI values and bundled window of the bit number of the HARQ ACK feedback informations in the UL Grant of the PUSCH of scheduled transmission HARQ ACK feedback informations（Bundling window size）It is determined that.Correct HARQ ACK feedback informations can be carried out using the present invention in the TDD upstream and downstreams of multiple CC configure different CA systems to transmit, and then effectively support the different situation of the TDD uplink-downlink configurations of multiple CC of carrier aggregation.
Description
Technical field
The present invention relates to wireless communication system technologies, more particularly to a kind of method for sending HARQ-ACK feedback information.
Background technology
Long Term Evolution（LTE）System supports FDD（FDD）And time division duplex（TDD）Two kinds of duplex modes.Fig. 1 is
The frame structure of TDD system.The length of each radio frames is 10ms, and it is divided into the field that two length are 5ms.Each field bag
It is the time slot and 3 special domains, i.e. descending pilot frequency time slot of 0.5ms containing 8 length（DwPTS）, protection interval（GP）Led with up
Frequency time slot（UpPTS）, the length sum of this 3 special domains is 1ms.Each subframe is made up of two continuous time slots, i.e., k-th
Subframe includes time slot 2k and time slot 2k+1.TDD system supports 7 kinds of different TDD upstream and downstreams configurations, as shown in table 1.In table 1,
D represents descending sub frame, and U represents sub-frame of uplink, and S represents above-mentioned comprising 3 special subframes of special domain.
Table 1：The upstream and downstream configuration of LTE TDD
In order to improve the transmission rate of user, it is proposed that the enhancing of LTE system（LTE-A）System.In LTE-A, pass through
The multiple member carriers of polymerization（CC, Component Carrier）To obtain bigger bandwidth of operation, i.e. carrier aggregation（CA,
Carrier Aggregation）, the downlink and uplink link of communication system is constituted, so as to support transmission rate higher.Example
Such as, in order to support the bandwidth of 100MHz, can be obtained by being polymerized 5 CC of 20MHz.Here, each CC be referred to as one it is small
Area（Cell）.To a UE, base station can be only fitted to be worked in multiple CC, and one of them is main CC（PCC or Pcell）, and its
His CC is referred to as auxiliary CC（SCC or Scell）.
Specify in LTE-A TDD systems：The multiple CC for condensing together are configured using identical upstream and downstream, such as Fig. 2
It is shown：
CA shown in Fig. 2 includes 2 CC, respectively：Main CC, auxiliary CC.
Each CC is configured using identical upstream and downstream.In this example, the subframe 0,1,3~6,8 and 9 in each radio frames is matched somebody with somebody
Descending sub frame is set to, subframe 2 and subframe 7 are configured to sub-frame of uplink.
For the data received from descending sub frame, UE needs to send ACK or NACK to enter to base station by sub-frame of uplink
Row positive acknowledgment or NACK, therefore, several descending sub frame is divided into a HARQ-ACK bundled window, belong to same
The HARQ-ACK feedback information of each descending sub frame of one HARQ-ACK bundled windows sends in same sub-frame of uplink.Join below
See that Fig. 2 is illustrated.
In Fig. 2, a HARQ-ACK bundled window is belonged to the subframe 4,5,6,8 of the radio frames n shown in oblique line, should
The HARQ-ACK feedback information of each subframe sends in the subframe 2 of radio frames n+1 in HARQ-ACK bundled windows, each subframe
Content " N " in corresponding frame is represented：The HARQ-ACK feedback information of this subframe is in the n-th subframe since this subframe
Send.For example：The content in frame corresponding to subframe 4 is 8, the son since the 8th subframe subframe 4 is for radio frames n+1
Frame 2, therefore, the HARQ-ACK feedback information of subframe 4 is sent in subframe 2；Again for example：The content in frame corresponding to subframe 8
It is 4, the subframe 2 since the 4th subframe subframe 8 is for radio frames n+1, therefore, sent in the subframe 2 of radio frames n+1
The HARQ-ACK feedback information of the subframe 8 of radio frames n.
A kind of mode of UE feedbacks HARQ-ACK is PUCCH format 3（PUCCH format 3）, UE feedbacks HARQ-ACK's
Another way is the PUCCH format 1b with Channel assignment（PUCCH format 1b with channel
selection）.Wherein：
PUCCH format 3 can at most support 5 CC, and the PUCCH format 1b with Channel assignment could support up 2 CC.
Base station is in Physical Downlink Control Channel（PDCCH）Send UL grant（Uplink authorization）, it is UE scheduling physical uplinks
Shared channel（PUSCH）Resource.UL grant send in last subframe of HARQ-ACK bundled windows.
After UE receives UL grant, downlink distribution index is obtained（UL DAI）Value, and determined according to the value of UL DAI
How HARQ-ACK feedback information is sent to base station.The value of UL DAI has two kinds of possible purposes：
The first purposes：The value of UL DAI is used to determine to transmit HARQ-ACK feedback information using the method for PUCCH format 3
Bit number.UE is assumed below and is configured with 2 CC, the value of UL DAI is M, is illustrated by taking Fig. 2 as an example.In this case, it is right
In mode of operation be SIMO（Single input and multi-output）CC, bit number needed for the HARQ-ACK feedback information of this CC be M；For
Mode of operation is MIMO（Multiple-input and multiple-output）CC, if this UE need transmission all CC HARQ-ACK feedback information
Bit number sum is less than or equal to N（Such as 20）, bit number needed for the HARQ-ACK feedback information of this CC is M*2；For work
Pattern is MIMO（Multiple-input and multiple-output）CC, if this UE need transmission all CC HARQ-ACK feedback information bit
Number sum is more than N（Such as 20）, bit number needed for the HARQ-ACK feedback information of this CC is M；
Second purposes：The value of UL DAI is used to determine the method transmission HARQ- of the PUCCH format 1b with Channel assignment
The bit number of ACK feedback information：
In the versions of LTE Release 10, using the HARQ-ACK transmission sides of the PUCCH format 1b with Channel assignment
During formula, for each CC, it is at best able to transmit 2 bit HARQ-ACK information；
When the value of UL DAI is equal to 1, and when being SIMO transmission modes, 1 bit HARQ-ACK information HARQ-ACK（0）By institute
Unique transmission block of unique subframe of scheduling is obtained；
When the value of UL DAI is equal to 1, and when being MIMO transmission pattern, 2 bit HARQ-ACK information HARQ-ACK（0）,
HARQ-ACK（1）Obtained by the transmission block 0 and transmission block 1 of scheduled unique subframe respectively；
When the value of UL DAI is equal to 2, and when being SIMO transmission modes, 1 bit HARQ-ACK information HARQ-ACK（0）By son
The unique transport block of frame 0 is obtained, another 1 bit HARQ-ACK information HARQ-ACK（1）Obtained by the unique transport block of subframe 1；This
In, the actual number of subframe 0 and subframe 1 not subframe, but for distinguishing 2 scheduled subframes, similarly hereinafter；
When the value of UL DAI is equal to 2, and when being MIMO transmission pattern, 1 bit HARQ-ACK information HARQ-ACK（0）By son
The transmission block 0 of frame 0 and the transmission block 1 of subframe 0 are obtained by space binding, another 1 bit HARQ-ACK information HARQ-ACK（1）By
The transmission block 0 of subframe 1 and the transmission block 1 of subframe 1 are obtained by space binding；
When the value of UL DAI is equal to 3, and when being SIMO transmission modes, 2 bit HARQ-ACK information HARQ-ACK（0）,
HARQ-ACK（1）Bundled by time domain by the HARQ-ACK information of the subframe of the subframe of DAI=1, the subframe of DAI=2 and DAI=3
Arrive, specific binding mode is shown in Table 2, wherein HARQ-ACK ' (0), and HARQ-ACK ' (1), HARQ-ACK ' (2) is respectively DAI=1
Subframe, the subframe of DAI=2 and DAI=3 subframe HARQ-ACK information, state is by the CC after mapping after mapping
HARQ-ACK information；
When the value of UL DAI is equal to 3, and when being MIMO transmission pattern, by the transmission block 0 and DAI=1 of the subframe of DAI=1
The transmission block 1 of subframe by space binding obtain HARQ-ACK ' (0), by DAI=2 subframe transmission block 0 and the subframe of DAI=2
Transmission block 1 by space binding obtain HARQ-ACK ' (1), by DAI=3 subframe transmission block 0 and DAI=3 subframe biography
HARQ-ACK ' (2) is obtained by space binding for defeated piece 1, then the subframe of the subframe of DAI=1, the subframe of DAI=2 and DAI=3
By HARQ-ACK information HARQ-ACK ' (0) that space binding is obtained, HARQ-ACK ' (1), HARQ-ACK ' (2) is by time domain
Binding obtains 2 bit HARQ-ACK information HARQ-ACK（0）, HARQ-ACK（1）, specific binding mode is shown in Table 2, wherein
HARQ-ACK ' (0), HARQ-ACK ' (1), HARQ-ACK ' (2) are respectively the subframe of DAI=1, the subframe of DAI=2 and DAI=3
HARQ-ACK information of the subframe after space bundlees, state is the HARQ-ACK information by the CC after mapping after mapping；
When the value of UL DAI is equal to 4, and when being SIMO transmission modes, 2 bit HARQ-ACK information HARQ-ACK（0）,
HARQ-ACK（1）Passed through by the HARQ-ACK information of the subframe of the subframe of DAI=1, the subframe of DAI=2, the subframe of DAI=3 and DAI=4
Cross time domain binding to obtain, specific binding mode is shown in Table 3, wherein HARQ-ACK ' (0), HARQ-ACK ' (1), HARQ-ACK '
(2), HARQ-ACK ' (3) is respectively the HARQ- of the subframe of the subframe of DAI=1, the subframe of DAI=2, the subframe of DAI=3 and DAI=4
ACK information, state is the HARQ-ACK information by the CC after mapping after mapping；
When the value of UL DAI is equal to 4, and when being MIMO transmission pattern, by the transmission block 0 and DAI=1 of the subframe of DAI=1
The transmission block 1 of subframe by space binding obtain HARQ-ACK ' (0), by DAI=2 subframe transmission block 0 and the subframe of DAI=2
Transmission block 1 by space binding obtain HARQ-ACK ' (1), by DAI=3 subframe transmission block 0 and DAI=3 subframe biography
HARQ-ACK ' (2) is obtained by space binding for defeated piece 1, by the transmission block of the subframe of the transmission block 0 and DAI=4 of the subframe of DAI=4
1 obtains HARQ-ACK ' (3) by space binding, then the subframe of DAI=1, the subframe of DAI=2, the subframe of DAI=3 and DAI=4
Subframe by HARQ-ACK information HARQ-ACK ' (0) that obtains of space binding, HARQ-ACK ' (1), HARQ-ACK '
(2), HARQ-ACK ' (3) obtains 2 bit HARQ-ACK information HARQ-ACK by time domain binding（0）, HARQ-ACK（1）, specifically
Binding mode be shown in Table 3, wherein HARQ-ACK ' (0), HARQ-ACK ' (1), HARQ-ACK ' (2), HARQ-ACK ' (3) are respectively
HARQ-ACK information of the subframe of the subframe of DAI=1, the subframe of DAI=2, the subframe of DAI=3 and DAI=4 after space bundlees,
State is the HARQ-ACK information by the CC after mapping after mapping.
Table 2：Time domain binding mapping relations during M=3
| HARQ-ACK’(0),HARQ-ACK’(1),HARQ-ACK’(2) | State after mapping |
| A,A,A | A,A |
| A,A,N/D | N/D,A |
| A,N/D,any | A,N/D |
| N/D,any,any | N/D,N/D |
Table 3：Time domain binding mapping relations during M=4
Annotation：That the A wherein in table 2,3 is indicated is HARQ-ACK information " ACK ", and what N was indicated is HARQ-ACK information
" NACK ", that D is indicated is HARQ-ACK information " DTX ".
In fact, when the frequency domain between the multiple CC for performing carrier aggregation is at a distance sufficiently large, these CC can be adopted completely
With different uplink-downlink configurations without interfering with each other；In addition, the phase frequency of each CC may have been deployed not in the case of having
Same uplink-downlink configuration（If adjacent frequency is different TD-SCDMA configurations）, now, if continued to these CC using in identical
Downstream arrangements, will producing ratio it is more serious adjacent frequency interference, therefore, in the follow-up study of LTE-A, an important problem is just
It is the different situation of uplink-downlink configuration for studying the multiple CC for how effectively supporting carrier aggregation.For example：In many of carrier aggregation
When the uplink-downlink configuration of individual CC is different, the bit number how UE determines to transmit HARQ-ACK feedback information in PUSCH is one
Technical problem urgently to be resolved hurrily.
The content of the invention
The invention provides a kind of method for sending HARQ-ACK feedback information, for carrier aggregation（CA）Middle multiple members
Carrier wave（CC）TDD upstream and downstreams configure different situations, it is characterised in that the method includes：
User terminal（UE）Receive the uplink authorization that base station sends（UL grant）, obtain descending from the UL grant
Link distribution index（UL DAI）；
UE physically row shared channels（PUSCH）Send HARQ-ACK feedback information, the HARQ-ACK feedback information
UL DAI value and bundled window of the bit number in the UL Grant of the PUSCH of scheduled transmission HARQ-ACK feedback information
Size（Bundling window size）It is determined that.
As seen from the above technical solution, the method for the transmission HARQ-ACK feedback information that the present invention is provided, in carrier aggregation
（CA）Middle multiple member carriers（CC）TDD upstream and downstreams when configuring different situations, fed back according to scheduled transmission HARQ-ACK
UL DAI values in the UL Grant of the PUSCH of information determine HARQ-ACK feedback letters with the size of the bundled window of each CC
The bit number of breath, it is to avoid the waste of PUSCH resources such that it is able in the upstream and downstream of multiple CC configures different CA systems
Correct HARQ-ACK feedback information transmission is carried out, and then effectively supports that the uplink-downlink configuration of multiple CC of carrier aggregation is different
Situation, to adapt to the need for different application scenarios configure to the upstream and downstream of CC.
Brief description of the drawings
Fig. 1 is the frame structure schematic diagram of existing TDD system；
Fig. 2 is the TDD upstream and downstream configuration schematic diagrams of each CC in existing same CA；
Fig. 3 is the schematic flow sheet of the method that the present invention sends HARQ-ACK feedback information；
When each CC is configured using different upstream and downstreams in Fig. 4 a preferred embodiment of the present invention, the position of ULDAI is illustrated
Figure；
Fig. 5 is for when each CC is configured using different upstream and downstreams in a preferred embodiment of the present invention, the value of ULDAI is shown
It is intended to；
When Fig. 6 is that each CC is configured using different upstream and downstreams in a preferred embodiment of the present invention, the HARQ- of each CC
The schematic diagram of ACK bundled windows；
When Fig. 7 is that each CC is configured using different upstream and downstreams in a preferred embodiment of the present invention, the HARQ- of each CC
The schematic diagram of ACK bundled windows.
Specific embodiment
To make the objects, technical solutions and advantages of the present invention become more apparent, develop simultaneously embodiment referring to the drawings, right
The present invention is described in further detail.
TDD system to being configured with carrier aggregation, present invention assumes that the TDD upstream and downstreams configuration of multiple CC of base station can be with
It is different.
Fig. 3 is basic flow sheet of the invention.As shown in figure 3, the flow may include following steps：
Step 301：Base station includes UL DAI in sending UL grant, UL grant to UE, and base station determines taking for UL DAI
Value has following three kinds of modes：
Mode 1：The corresponding HARQ-ACK bundled windows of each CC of HARQ-ACK feedback information are sent in same PUSCH
In first subframe start the maximum of each CC scheduled number of sub frames to the subframe of UL grant is sent.Example
Such as, it is assumed that it is respectively main CC and auxiliary CC that CAUE is configured with 2 CC, if UL Grant send on auxiliary CC, UL DAI are indicated
Be that first subframes of the auxiliary CC in bundled window starts scheduled descending son to the subframe of UL grant is sent
First subframes of the frame number M_s and main CC in bundled window start it is scheduled to the subframe of UL grant is sent under
Maximum max { M_p, M_s } in row number of sub frames M_p, as shown in Figure 4.
Mode 2：It is assumed that the descending sub frame after the corresponding subframe for sending UL Grant can all be scheduled, then consider
The number of sub frames and the descending sub frame after the corresponding subframe for sending UL Grant of scheduling are had determined when sending UL Grant
In the case of will being scheduled, it may be determined that go out the number of sub frames that may be dispatched in the corresponding HARQ-ACK bundled windows of each CC,
Then maximum is taken to the number of sub frames that each CC for being determined may be dispatched again, obtains UL DAI values.Assuming that CA UE are configured with
2 CC are respectively main CC and auxiliary CC, if UL Grant send on auxiliary CC, what UL DAI were indicated is auxiliary CC in bundled window
In determine as stated above possibility scheduling descending sub frame number M_s and main CC determined as stated above in bundled window
Possibility scheduling descending sub frame number M_p in maximum max { M_p, M_s }.
For example, being respectively main CC and auxiliary CC as shown in figure 5, base station is configured with 2 CC for CA UE, main CC is TDD up
Downstream arrangements 2, auxiliary CC is TDD upstream and downstreams configuration 1, and the bundled window of main CC includes subframe { 4,5,6,8 }, bundled window size
It is 4, the bundled window of auxiliary CC includes subframe { 4,5,6 }, and bundled window size is 3, dispatches the UL Grant of PUSCH auxiliary CC's
Sent in subframe 6, when UL Grant are sent, the subframe 4 of main CC there are 2 subframes to be scheduled in 5,6, subframe 8 below can not
Determine whether to be scheduled, if it is assumed that the descending sub frame after the corresponding subframe for sending UL Grant can all be scheduled, then lead
The number of sub frames that CC may be dispatched is 2+1=3, and auxiliary CC subframes 4,5,6 have 1 subframe to be scheduled, then UL DAI are main CC and auxiliary CC
The maximum of the number of sub frames that may be dispatched, i.e. Max { 3,1 }=3.
Mode 3：Indicate the corresponding HARQ-ACK bindings of each CC that HARQ-ACK feedback information is sent in same PUSCH
It is used for the reference value of the bundled window of computed HARQ-ACK feedback information bit number in window, how the value of specific UL DAI determines
Determined by the realization of eNB.For example, a kind of of base station is achieved in that in mode 2 to determine the value of UL DAI, another reality
Existing mode base station can be given a forecast, and the value of UL DAI is determined according to the scheduling subframe number of actual prediction.
Step 302：UE receives the UL grant, obtains UL DAI therein；
Step 303：UE physically row shared channels（PUSCH）Send HARQ-ACK feedback information, the HARQ-ACK
UL DAI value of the bit number of feedback information in the UL Grant of the PUSCH of scheduled transmission HARQ-ACK feedback information and
The size of bundled window（Bundling window size）It is determined that.
Under the carrier aggregation scene matched with different TDD up-downgoings, the size of the bundled window（Bundling
window size）For：The size of the bundled window that HARQ-ACK feedback information is applied is fed back in PUCCH.It is described
The bundled window that feedback HARQ-ACK feedback information is applied in PUCCH can be different for different cell or carrier wave
's.Determine that the method for the bit number of HARQ-ACK feedback information is described in detail to UE ends below：
1）When base station employing mode 1 determines UL DAI, and terminal transmits HARQ-ACK feedback information using PUCCH format 3,
UE determines that a kind of method of HARQ-ACK feedback information bit number is：
By the PUSCH in scheduled transmission HARQ-ACK feedback information is sent in the HARQ-ACK bundled windows of each CC
Before the subframe of UL grant and including sending the subframe of the UL grant of the PUSCH of scheduled transmission HARQ-ACK feedback information
Part is referred to as the Part I of HARQ-ACK bundled windows, and the descending sub frame number that it is included is designated as M_b, by each CC's
In HARQ-ACK bundled windows after the subframe of the UL grant of the PUSCH in scheduled transmission HARQ-ACK feedback information is sent
Part be referred to as the Part II of HARQ-ACK bundled windows, the descending sub frame number that it is included is designated as M_a, as shown in Figure 6.
When the mode of operation of CC is SIMO, the bit number of its HARQ-ACK feedback information is equal to scheduled transmission HARQ-ACK
The chi of UL DAI values in the UL grant of the PUSCH of feedback information and the Part I of the HARQ-ACK bundled windows of the CC
The size of minimum value min { UL DAI, M_b } with the Part II of the HARQ-ACK bundled windows of the CC in both very little M_b
M_a sums, i.e. M_i=min { ULDAI, M_b }+M_a；Wherein, M_i represents the bit of the HARQ-ACK feedback information of the CC
Number, similarly hereinafter；
When the mode of operation of CC is MIMO, the bit number of its HARQ-ACK feedback information is equal to scheduled transmission HARQ-ACK
The chi of UL DAI values in the UL grant of the PUSCH of feedback information and the Part I of the HARQ-ACK bundled windows of the CC
The size of minimum value min { UL DAI, M_b } with the Part II of the HARQ-ACK bundled windows of the CC in both very little M_b
2 times of M_a sums, i.e. M_i=2*（min{UL DAI,M_b}+M_a）.
Calculate the bit number M_ of the HARQ-ACK feedback information of all CC of CA UE configurations successively using above method
I, i=1,2 ... the CC numbers L of configuration.
When HARQ-ACK feedback information bit number sum Σ (M_i) of all CC of CA UE is less than or equal to N, (for example N is
20) when, the bit number of the HARQ-ACK feedback information of all CC of CA UE configurations is constant；
When HARQ-ACK feedback information bit number sum Σ (M_i) of all CC of CA UE is more than N (such as N is 20),
Mode of operation is constant for the HARQ-ACK feedback information bit number of the CC of SIMO；Mode of operation is anti-for the HARQ-ACK of the CC of MIMO
Feedforward information carries out space binding, and its HARQ-ACK bit number is changed into original half, i.e. min { UL DAI, M_b }+M_a.
The method is illustrated below by embodiment 1.
Embodiment 1：
Assuming that base station is configured with 2 CC for CA UE, and it is respectively main CC and auxiliary CC, main CC is TDD upstream and downstreams configuration 2,
MIMO transmission pattern, auxiliary CC is TDD upstream and downstreams configuration 1, SIMO transmission modes, as shown in Figure 4.The bundled window of main CC includes
Subframe { 4,5,6,8 }, bundled window size is 4, and the bundled window of auxiliary CC includes subframe { 4,5,6 }, and bundled window size is 3,
The UL Grant for dispatching PUSCH send in the subframe 6 of auxiliary CC, it is assumed that UL DAI=2.
Auxiliary CC is SIMO transmission modes, then the HARQ-ACK feedback information bit number M_i=of auxiliary CC（Min { M_b, UL DAI }
+M_a）=min{3,2}+0=2；
Main CC is MIMO transmission pattern, the HARQ-ACK feedback information bit number M i=2* of main CC（Min { M_b, UL DAI }
+M_a）=2*（min{3,2}+1）=6.
The UE is configured with 2 CC altogether, and 2 bit number sums of the HARQ-ACK feedback information of CC are 2+6=8<20, CA UE
The bit number of the HARQ-ACK feedback information of all CC of configuration is constant, i.e., the HARQ-ACK feedback information bit number of main CC is 6；
The HARQ-ACK feedback information bit number of auxiliary CC is 2.
2）When base station employing mode 1 determines UL DAI, and terminal transmits HARQ-ACK feedback information using PUCCH format 3,
UE determines that another method of HARQ-ACK feedback information bit number is：
By the PUSCH in scheduled transmission HARQ-ACK feedback information is sent in the HARQ-ACK bundled windows of each CC
Before the subframe of UL grant and including sending the subframe of the UL grant of the PUSCH of scheduled transmission HARQ-ACK feedback information
Part is referred to as the Part I of HARQ-ACK bundled windows, and the descending sub frame number that it is included is designated as M_b, by each CC's
In HARQ-ACK bundled windows after the subframe of the UL grant of the PUSCH in scheduled transmission HARQ-ACK feedback information is sent
Part be referred to as the Part II of HARQ-ACK bundled windows, the descending sub frame number that it is included is designated as M_a, as shown in Figure 6.
When the mode of operation of CC is SIMO, the bit number of its HARQ-ACK feedback information is equal to scheduled transmission HARQ-ACK
The chi of UL DAI values in the UL grant of the PUSCH of feedback information and the Part I of the HARQ-ACK bundled windows of the CC
The size of minimum value min { UL DAI, M_b } with the Part II of the HARQ-ACK bundled windows of the CC in both very little M_b
M_a sums, i.e. M_i=min { ULDAI, M_b }+M_a；
When the mode of operation of CC is MIMO, the bit number of its HARQ-ACK feedback information is equal to scheduled transmission HARQ-ACK
The chi of UL DAI values in the UL grant of the PUSCH of feedback information and the Part I of the HARQ-ACK bundled windows of the CC
The size of minimum value min { UL DAI, M_b } with the Part II of the HARQ-ACK bundled windows of the CC in both very little M_b
2 times of M_a sums, i.e. M_i=2*（min{UL DAI,M_b}+M_a）.
Calculate the bit number M_ of the HARQ-ACK feedback information of all CC of CA UE configurations successively using above method
I, i=1,2 ... the CC numbers L of configuration.
When HARQ-ACK feedback information bit number sum Σ (M_i) of all CC of CA UE configurations is less than or equal to N (such as N
For 20) when, CA UE configuration all CC HARQ-ACK feedback information bit number it is constant；
When HARQ-ACK feedback information bit number sum Σ (M_i) of all CC of CA UE configurations is more than N, (for example N is
20) when, mode of operation is constant for the HARQ-ACK feedback information bit number of the CC of SIMO；It is the CC's of MIMO to mode of operation
HARQ-ACK feedback information carries out space binding according to certain method.For example, carrying out space by CC according to certain priority
Binding, the HARQ-ACK feedback information sum of the CC bundled until the CC bundled by space and without space is less than or equal to N
When (such as N is 20), the HARQ-ACK feedback information of the no longer CC to being bundled without space carries out space binding, by space
The CC of binding its HARQ-ACK bit number is changed into original half, and the HARQ-ACK bit numbers of the CC bundled without space are not
Become.
The method is illustrated below by embodiment 2.
Embodiment 2：
Assuming that base station is configured with 3 CC for CA UE, and it is respectively main CC, auxiliary CC1 and auxiliary CC2, main CC is TDD upstream and downstreams
Configuration 2, MIMO transmission pattern, auxiliary CC1 is TDD upstream and downstreams configuration 2, and MIMO transmission pattern, auxiliary CC2 is that TDD upstream and downstreams are matched somebody with somebody
Put 1, MIMO transmission pattern, as shown in Figure 7.The bundled window of main CC includes subframe { 4,5,6,8 }, and bundled window size is 4, auxiliary
The bundled window of CC1 includes subframe { 4,5,6,8 }, and bundled window size is 4, the bundled window of auxiliary CC2 include subframe 4,5,
6 }, bundled window size is 3, and the UL Grant for dispatching PUSCH send in the subframe 6 of auxiliary CC2, it is assumed that UL DAI=3.
Auxiliary CC2 is MIMO transmission pattern, then the HARQ-ACK feedback information bit number M_i=2* of auxiliary CC2（Min { M_b, UL
DAI}+M_a）2*(min{3,3}+0)=6；
Main CC is MIMO transmission pattern, the HARQ-ACK feedback information bit number M_i=2* of main CC（Min { M_b, UL DAI }
+M_a）=2*（min{3,3}+1）=8；
Auxiliary CC1 is MIMO transmission pattern, the HARQ-ACK feedback information bit number M_i=2* of auxiliary CC1（Min { M_b, UL
DAI}+M_a）=2*（min{3,3}+1）=8.
The UE is configured with 3 CC altogether, and 3 bit number sums of the HARQ-ACK feedback information of CC are 8+8+6=22>20, root
According to the above method, it is necessary to mode of operation for the HARQ-ACK feedback information of the CC of MIMO carries out space bundle according to certain method
Tie up.For example, carrying out space binding, the HARQ-ACK feedback information of main CC, auxiliary CC1 and auxiliary CC2 by CC according to certain priority
According to certain priority space binding is carried out by CC.Assuming that the HARQ-ACK feedback information bundle of main CC, auxiliary CC1 and auxiliary CC2
The priority tied up is main CC<Auxiliary CC1<Auxiliary CC2, the first HARQ-ACK feedback information to auxiliary CC2 carry out space binding, after binding
Auxiliary CC2 HARQ-ACK feedback information bit number be M_i=（Min { M_b, UL DAI }+M_a）=（min{3,3}+0）=3,
In auxiliary CC2 after space bundlees, the bit number sum of the HARQ-ACK feedback information of all CC of CA UE configurations is 8+8+3=
19<20, the no longer HARQ-ACK feedback information to auxiliary CC1 and main CC carries out space binding, then the HARQ-ACK feedback letters of main CC
Breath bit number is 8；The HARQ-ACK feedback information bit number of auxiliary CC1 is 8, and the HARQ-ACK feedback information bit number of auxiliary CC2 is
3。
3）When base station employing mode 1 determines UL DAI, terminal is transmitted using the PUCCH format 1b with Channel assignment
During HARQ-ACK feedback information, UE determines that a kind of method of HARQ-ACK feedback information is：
By the PUSCH in scheduled transmission HARQ-ACK feedback information is sent in the HARQ-ACK bundled windows of each CC
Before the subframe of UL grant and including sending the subframe of the UL grant of the PUSCH of scheduled transmission HARQ-ACK feedback information
Part is referred to as the Part I of HARQ-ACK bundled windows, and the descending sub frame number that it is included is designated as M_b, by each CC's
In HARQ-ACK bundled windows after the subframe of the UL grant of the PUSCH in scheduled transmission HARQ-ACK feedback information is sent
Part be referred to as the Part II of HARQ-ACK bundled windows, the descending sub frame number that it is included is designated as M_a.
It is divided into following three kinds of situations：
i）When the mode of operation of CC is SIMO, it is necessary to the bit number of the HARQ-ACK feedback information of feedback is equal to scheduling biography
UL DAI values and the of the HARQ-ACK bundled windows of the CC in the UL grant of the PUSCH of defeated HARQ-ACK feedback information
Second of minimum value min { UL DAI, M_b } with the HARQ-ACK bundled windows of the CC in both size M_b of a part
Partial size M_a sums, i.e. M_i=min { UL DAI, M_b }+M_a；
When the bit number of HARQ-ACK feedback information（I.e.：M_i）For 1 when, the HARQ-ACK information bits of 1 bit directly enter
Row transmission；When the bit number of HARQ-ACK feedback information is 2, the HARQ-ACK information bits of 2 bits are directly transmitted；When
When the bit number of HARQ-ACK feedback information is 3, the HARQ-ACK Information Pulls table 2 of 3 bits is mapped as 2 bits；Work as HARQ-
When the bit number of ACK feedback information is 4, the HARQ-ACK Information Pulls table 3 of 4 bits is mapped as 2 bits.
ii）When the mode of operation of CC is in the UL grant of MIMO and the PUSCH of scheduled transmission HARQ-ACK feedback information
Both UL DAI values and the size M_b of Part I of HARQ-ACK bundled windows of the CC in minimum value min { UL
DAI, M_b } it is big plus size sum min { UL DAI, M_b }+M_a of the Part II of the HARQ-ACK bundled windows of the CC
When 1, the HARQ-ACK feedback information first to each descending sub frame carries out space binding, so as to need the space of feedback to bundle
The bit number of HARQ-ACK feedback information afterwards is equal to M_i=min { UL DAI, M_b }+M_a；
When the bit number of HARQ-ACK feedback information（I.e.：The bit of the HARQ-ACK feedback information after space bundlees
Number）For 1 when, the HARQ-ACK information bits of 1 bit are directly transmitted；When the bit number of HARQ-ACK feedback information is 2,
The HARQ-ACK information bits of 2 bits are directly transmitted；When the bit number of HARQ-ACK feedback information is 3,3 bits
HARQ-ACK Information Pulls table 2 is mapped as 2 bits；When the bit number of HARQ-ACK feedback information is 4, the HARQ- of 4 bits
ACK information is mapped as 2 bits using table 3.
iii）When the mode of operation of CC is in the UL grant of MIMO and the PUSCH of scheduled transmission HARQ-ACK feedback information
Both UL DAI values and the size M_b of Part I of HARQ-ACK bundled windows of the CC in minimum value min { UL
DAI, M_b } add size sum min { UL DAI, M_b }+M_a of Part II of HARQ-ACK bundled windows of the CC etc.
When 1, space binding is not performed, now, the bit number of HARQ-ACK feedback information is equal to the HARQ-ACK information ratio of 2,2 bits
Spy is directly transmitted.
The method is illustrated below by embodiment 3.
Embodiment 3：
Assuming that base station is configured with 2 CC for CA UE, and it is respectively main CC and auxiliary CC, main CC is TDD upstream and downstreams configuration 2,
MIMO transmission pattern, auxiliary CC is TDD upstream and downstreams configuration 1, SIMO transmission modes, as shown in Figure 4.The bundled window of main CC includes
Subframe { 4,5,6,8 }, bundled window size is 4, and the bundled window of auxiliary CC includes subframe { 4,5,6 }, and bundled window size is 3,
The UL Grant for dispatching PUSCH send in the subframe 6 of auxiliary CC, it is assumed that UL DAI=2.
Auxiliary CC is SIMO transmission modes, then the HARQ-ACK feedback information bit number M i=min { UL DAI, M_b } of auxiliary CC+
M_a=2, the HARQ-ACK information bits of this 2 bit are directly transmitted；
Main CC is MIMO transmission pattern, and the HARQ-ACK feedback information bit number of main CC is anti-equal to scheduled transmission HARQ-ACK
The size of UL DAI=2 values in the UL grant of the PUSCH of feedforward information and the Part I of the HARQ-ACK bundled windows of main CC
Minimum value min { UL DAI, M_b }=min { 2,3 }=2 in both M_b=3 is plus the second of the HARQ-ACK bundled windows of main CC
Partial size M_a=1 sums min { UL DAI, M_b }+M_a=（min{3,2}+1）=3>1, first to main CC each be descending
The HARQ-ACK feedback information of subframe performs space binding, so that the HARQ-ACK feedback information after needing the space of feedback to bundle
Bit number be equal to 3, the HARQ-ACK Information Pulls table 2 of 3 bits is mapped as 2 bits.
4）When base station employing mode 1 determines UL DAI, terminal is transmitted using the PUCCH format 1b with Channel assignment
During HARQ-ACK feedback information, UE determines that another method of HARQ-ACK feedback information is：
By the PUSCH in scheduled transmission HARQ-ACK feedback information is sent in the HARQ-ACK bundled windows of each CC
Before the subframe of UL grant and including sending the subframe of the UL grant of the PUSCH of scheduled transmission HARQ-ACK feedback information
Part is referred to as the Part I of HARQ-ACK bundled windows, and the descending sub frame number that it is included is designated as M b, by each CC's
In HARQ-ACK bundled windows after the subframe of the UL grant of the PUSCH in scheduled transmission HARQ-ACK feedback information is sent
Part be referred to as the Part II of HARQ-ACK bundled windows, the descending sub frame number that it is included is designated as M_a.
When the mode of operation of CC is SIMO, the bit number of its HARQ-ACK feedback information is equal to scheduled transmission HARQ-ACK
The chi of UL DAI values in the UL grant of the PUSCH of feedback information and the Part I of the HARQ-ACK bundled windows of the CC
The size of minimum value min { UL DAI, M_b } with the Part II of the HARQ-ACK bundled windows of the CC in both very little M_b
M_a sums, i.e. M_i=min { ULDAI, M_b }+M_a；
When the mode of operation of CC is MIMO, the bit number of its HARQ-ACK feedback information is anti-equal to scheduled transmission HARQ-ACK
The size of UL DAI values in the UL grant of the PUSCH of feedforward information and the Part I of the HARQ-ACK bundled windows of the CC
The size M_a of minimum value min { UL DAI, M_b } with the Part II of the HARQ-ACK bundled windows of the CC in both M_b
The twice of sum, i.e. M_i=2*（min{UL DAI,M_b}+M_a）.
Calculate the bit number M_ of the HARQ-ACK feedback information of all CC of CA UE configurations successively using above method
I, i=1,2 ... the CC numbers L of configuration.
When HARQ-ACK feedback information bit number sum Σ (M_i) of all CC of CA UE is less than or equal to K (such as K is 4)
When, the bit number of the HARQ-ACK feedback information of all CC of CA UE configurations is constant；Also, when HARQ-ACK feedback information
When bit number is 1, the HARQ-ACK information bits of 1 bit are directly transmitted；When the bit number of HARQ-ACK feedback information is 2
When, the HARQ-ACK information bits of 2 bits are directly transmitted；When the bit number of HARQ-ACK feedback information is 3, by 3 ratios
Special HARQ-ACK Information Pulls table 2 is mapped as 2 bits；When the bit number of HARQ-ACK feedback information is 4, by 4 bits
HARQ-ACK Information Pulls table 3 is mapped as 2 bits.
When HARQ-ACK feedback information bit number sum Σ (M_i) of all CC of CA UE is more than K (such as K is 4),
Mode of operation is constant for the HARQ-ACK feedback information bit number of the CC of SIMO, when the bit number of HARQ-ACK feedback information is 1
When, the HARQ-ACK information bits of 1 bit are directly transmitted；When the bit number of HARQ-ACK feedback information is 2,2 bits
HARQ-ACK information bits be directly transmitted；When the bit number of HARQ-ACK feedback information is 3, by the HARQ- of 3 bits
ACK information is mapped as 2 bits using table 2；When the bit number of HARQ-ACK feedback information is 4, the HARQ-ACK of 4 bits is believed
Breath is mapped as 2 bits using table 3；
To mode of operation for the HARQ-ACK feedback information CC of the CC of MIMO carries out space binding, its HARQ-ACK bit number
It is changed into original half, and when the bit number of HARQ-ACK feedback information after space bundlees is 1, the HARQ-ACK letters of 1 bit
Breath bit is directly transmitted；When the bit number of HARQ-ACK feedback information after space bundlees is 2, the HARQ-ACK of 2 bits
Information bit is directly transmitted；When the bit number of HARQ-ACK feedback information after space bundlees is 3, by the HARQ- of 3 bits
ACK information is mapped as 2 bits using table 2；When the bit number of HARQ-ACK feedback information after space bundlees is 4, by 4 bits
HARQ-ACK Information Pulls table 3 is mapped as 2 bits.
The method is illustrated below by embodiment 4.
Embodiment 4：
Assuming that base station is configured with 2 CC for CA UE, and it is respectively main CC and auxiliary CC, main CC is TDD upstream and downstreams configuration 2,
MIMO transmission pattern, auxiliary CC is TDD upstream and downstreams configuration 1, SIMO transmission modes, as shown in Figure 4.The bundled window of main CC includes
Subframe { 4,5,6,8 }, bundled window size is 4, and the bundled window of auxiliary CC includes subframe { 4,5,6 }, and bundled window size is 3,
The UL Grant for dispatching PUSCH send in the subframe 6 of auxiliary CC, it is assumed that UL DAI=2.
Auxiliary CC is SIMO transmission modes, then the HARQ-ACK feedback information bit number M_i=UL DAI=2 of auxiliary CC；
Main CC is MIMO transmission pattern, and the HARQ-ACK feedback information bit number of main CC is anti-equal to scheduled transmission HARQ-ACK
The size of UL DAI=2 values in the UL grant of the PUSCH of feedforward information and the Part I of the HARQ-ACK bundled windows of main CC
Minimum value min { UL DAI, M_b }=min { 2,3 }=2 in both M_b=3 is plus the second of the HARQ-ACK bundled windows of main CC
2 times of M_i=2* of partial size M_a=1 sums（min{UL DAI,M_b}+M_a）=2*（min{3,2}+1）=6.
The bit number of 2 HARQ-ACK feedback informations of CC of CA UE configurations is respectively 2 and 6 sum Σ (M_i)=2+6=8
>The mode of operation of 4, auxiliary CC is SIMO, and its HARQ-ACK feedback information bit number is 2, and its HARQ-ACK information bit directly enters
Row transmission；The mode of operation of main CC is MIMO, and its HARQ-ACK feedback information carries out space binding, and its HARQ-ACK bit number becomes
It is original half 6/2=3, the HARQ-ACK Information Pulls table 2 of 3 bits is mapped as 2 bits.
5）When base station employing mode 2 determines UL DAI, and terminal transmits HARQ-ACK feedback information using PUCCH format 3,
UE determines that a kind of method of HARQ-ACK feedback information bit number is：
When the mode of operation of CC is SIMO, the bit number of its HARQ-ACK feedback information is equal to the UL in UL grant
Minimum M _ i=min { UL DAI, M } in both DAI values and size M of HARQ-ACK bundled windows of the CC；
When the mode of operation of CC is MIMO, the bit number of its HARQ-ACK feedback information is equal to the UL in ULgrant
The twice M_i=2*min { UL DAI, M } of the minimum value in both DAI values and HARQ-ACK bundled window sizes M of the CC.
Calculate the bit number M_ of the HARQ-ACK feedback information of all CC of CA UE configurations successively using above method
I, i=1,2 ... the CC numbers L of configuration.
When HARQ-ACK feedback information bit number sum Σ (M_i) of all CC of CA UE is less than or equal to N, (for example N is
20) when, the bit number of the HARQ-ACK feedback information of all CC of CA UE configurations is constant；
When the HARQ-ACK feedback information bit number sum of all CC of CA UE is more than N (such as N is 20), Working mould
Formula is constant for the HARQ-ACK feedback information bit number of the CC of SIMO；Mode of operation is the HARQ-ACK feedback information of the CC of MIMO
Space binding is carried out, its HARQ-ACK bit number is changed into original half.
The method is illustrated below by embodiment 5.
Embodiment 5：
Assuming that base station is configured with 2 CC for CA UE, and it is respectively main CC and auxiliary CC, main CC is TDD upstream and downstreams configuration 2,
MIMO transmission pattern, auxiliary CC is TDD upstream and downstreams configuration 1, SIMO transmission modes.The bundled window of main CC include subframe 4,5,
6,8 }, bundled window size is 4, and the bundled window of auxiliary CC includes subframe { 4,5,6 }, and bundled window size is 3, dispatches PUSCH
UL Grant sent in the subframe 6 of auxiliary CC, it is assumed that UL DAI=2.
Auxiliary CC is SIMO transmission modes, then the HARQ-ACK feedback information bit number M_i=min { UL DAI, M } of auxiliary CC=
Min { 2,3 }=2；
Main CC is MIMO transmission pattern, HARQ-ACK feedback information bit number M_i=2*min { UL DAI, M }=2* of main CC
min{3,2}=4。
The UE is configured with 2 CC altogether, and 2 bit number sums of the HARQ-ACK feedback information of CC are 2+4=6<20, CA UE
The bit number of the HARQ-ACK feedback information of all CC of configuration is constant, i.e., the HARQ-ACK feedback information bit number of main CC is 4；
The HARQ-ACK feedback information bit number of auxiliary CC is 2.
6）When base station employing mode 2 determines UL DAI, and terminal transmits HARQ-ACK feedback information using PUCCH format 3,
UE determines that another method of HARQ-ACK feedback information bit number is：
When the mode of operation of CC is SIMO, the bit number of its HARQ-ACK feedback information is equal to the UL in UL grant
Minimum M _ i=min { UL DAI, M } in both DAI values and size M of HARQ-ACK bundled windows of the CC；
When the mode of operation of CC is MIMO, the bit number of its HARQ-ACK feedback information is equal to the UL in ULgrant
The twice M_i=2*min { UL DAI, M } of the minimum value in both DAI values and HARQ-ACK bundled window sizes M of the CC.
Calculate the bit number M_ of the HARQ-ACK feedback information of all CC of CA UE configurations successively using above method
I, i=1,2 ... the CC numbers L of configuration.
When HARQ-ACK feedback information bit number sum Σ (M_i) of all CC of CA UE is less than or equal to N, (for example N is
20) when, the bit number of the HARQ-ACK feedback information of all CC of CA UE configurations is constant；
When HARQ-ACK feedback information bit number sum Σ (M_i) of all CC of CA UE is more than N (such as N is 20),
Mode of operation is constant for the HARQ-ACK feedback information bit number of the CC of SIMO；It is the HARQ-ACK of the CC of MIMO to mode of operation
Feedback information carries out space binding according to certain method, for example, carrying out space binding, Zhi Daojing by CC according to certain priority
The HARQ-ACK feedback information sum of CC and the CC bundled without space of space binding is crossed less than or equal to N (such as N is 20)
When, the HARQ-ACK feedback information of the no longer CC to being bundled without space carries out space binding, by space bundle CC its
HARQ-ACK bit numbers are changed into original half, and the HARQ-ACK bit numbers of the CC bundled without space are constant.
The method is illustrated below by embodiment 6.
Embodiment 6：
Assuming that base station is configured with 3 CC for CA UE, and it is respectively main CC, auxiliary CC1 and auxiliary CC2, main CC is TDD upstream and downstreams
Configuration 2, MIMO transmission pattern, auxiliary CC1 is TDD upstream and downstreams configuration 2, and MIMO transmission pattern, auxiliary CC2 is that TDD upstream and downstreams are matched somebody with somebody
Put 1, MIMO transmission pattern, as shown in Figure 7.The bundled window of main CC includes subframe { 4,5,6,8 }, and bundled window size is 4, auxiliary
The bundled window of CC1 includes subframe { 4,5,6,8 }, and bundled window size is 4, the bundled window of auxiliary CC2 include subframe 4,5,
6 }, bundled window size is 3, and the UL Grant for dispatching PUSCH send in the subframe 6 of auxiliary CC2, it is assumed that UL DAI=4.
Auxiliary CC2 is MIMO transmission pattern, then auxiliary CC2 HARQ-ACK feedback information bit number M_i=2*min UL DAI,
M }=2*min { 4,3 }=6；
Main CC is MIMO transmission pattern, the HARQ-ACK feedback information bit number M_i=2*min { M_b, UL DAI } of main CC=
2*min{4,4}=8；
Auxiliary CC1 is MIMO transmission pattern, HARQ-ACK feedback information bit number M_i=2*min { M_b, the UL of auxiliary CC1
DAI}=2*min{4,4}=8。
The UE is configured with 3 CC altogether, and 3 bit number sums of the HARQ-ACK feedback information of CC are 8+8+6=22>20, root
According to the above method, it is necessary to mode of operation for the HARQ-ACK feedback information of the CC of MIMO carries out space bundle according to certain method
Tie up, for example, carry out space binding by CC according to certain priority.Assuming that the HARQ-ACK feedback letters of main CC, auxiliary CC1 and auxiliary CC2
The priority for ceasing binding is main CC<Auxiliary CC1<Auxiliary CC2, the first HARQ-ACK feedback information to auxiliary CC2 carry out space binding, bundle
The bit number of the HARQ-ACK feedback information of the auxiliary CC2 after tying up is M_i=M_i/2=6/2=3, in auxiliary CC2 after space bundlees,
The bit number sum of the HARQ-ACK feedback information of all CC of CA UE configurations is 8+8+3=19<20, no longer to auxiliary CC1 and master
The HARQ-ACK feedback information of CC carries out space binding, then the HARQ-ACK feedback information bit number of main CC is 8；Auxiliary CC1's
HARQ-ACK feedback information bit number is 8, and the HARQ-ACK feedback information bit number of auxiliary CC2 is 3.
7）When base station employing mode 2 determines UL DAI, terminal is transmitted using the PUCCH format 1b with Channel assignment
During HARQ-ACK feedback information, UE determines that a kind of method of HARQ-ACK feedback information is:
It is divided into following three kinds of situations：
i）When the mode of operation of CC is SIMO, the bit number of its HARQ-ACK feedback information is equal to the UL in ULgrant
Minimum M _ i=min { UL DAI, M } in both DAI values and HARQ-ACK bundled window sizes M of the CC；Work as HARQ-
When the bit number of ACK feedback information is 1, the HARQ-ACK information bits of 1 bit are directly transmitted；When HARQ-ACK feedback letters
When the bit number of breath is 2, the HARQ-ACK information bits of 2 bits are directly transmitted；When the bit of HARQ-ACK feedback information
When number is 3, the HARQ-ACK Information Pulls table 2 of 3 bits is mapped as 2 bits；When the bit number of HARQ-ACK feedback information is 4
When, the HARQ-ACK Information Pulls table 3 of 4 bits is mapped as 2 bits.
ii）UL DAI values in the mode of operation of CC is for MIMO and UL grant bundle window with the HARQ-ACK of the CC
Minimum value min { UL DAI, M } in both mouth size M>When 1, space binding is carried out first, its HARQ- after being bundled through space
ACK feedback information bit number is equal in both ULDAI values and HARQ-ACK bundled window sizes of the CC in UL grant
Minimum M _ i=min { ULDAI, M }；When the bit number of HARQ-ACK feedback information after space bundlees is 1,1 bit
HARQ-ACK information bits are directly transmitted；When the bit number of HARQ-ACK feedback information after space bundlees is 2,2 bits
HARQ-ACK information bits be directly transmitted；When the bit number of HARQ-ACK feedback information after space bundlees is 3, by 3
The HARQ-ACK Information Pulls table 2 of bit is mapped as 2 bits；The bit number of HARQ-ACK feedback information is 4 after space bundlees
When, the HARQ-ACK Information Pulls table 3 of 4 bits is mapped as 2 bits.
iii）UL DAI values in the mode of operation of CC is for MIMO and UL grant are bundled with the HARQ-ACK of the CC
During minimum value min { UL DAI, M }=1 in both window size M, the bit number of its HARQ-ACK feedback information is equal to 2,2 ratios
Special HARQ-ACK information bits are directly transmitted.
The method is illustrated below by embodiment 7.
Embodiment 7：
Assuming that base station is configured with 2 CC for CA UE, and it is respectively main CC and auxiliary CC, main CC is TDD upstream and downstreams configuration 2,
MIMO transmission pattern, auxiliary CC is TDD upstream and downstreams configuration 1, SIMO transmission modes.The bundled window of main CC include subframe 4,5,
6,8 }, bundled window size is 4, and the bundled window of auxiliary CC includes subframe { 4,5,6 }, and bundled window size is 3, dispatches PUSCH
UL Grant sent in the subframe 6 of auxiliary CC, it is assumed that UL DAI=2.
Auxiliary CC is SIMO transmission modes, then the HARQ-ACK feedback information bit number M_i=min { UL DAI, M } of auxiliary CC=
Min { 2,3 }=2, the HARQ-ACK information bits of this 2 bit are directly transmitted；
Main CC is MIMO transmission pattern, the HARQ-ACK bundled window sizes M of the UL DAI values in UL grant and main CC
Minimum value min { UL DAI, M }=min { 2,4 }=2 in both>1, first, to the HARQ-ACK of each descending sub frame of main CC
Feedback information performs space binding so that the bit number of the HARQ-ACK feedback information of main CC is equal to UL DAI values with main CC's
Minimum M _ i=min { UL DAI, M }=min { 2,4 }=2 in both HARQ-ACK bundled window sizes M, then, by this 2 ratio
Special HARQ-ACK information bits are directly transmitted.
8）When base station employing mode 2 determines UL DAI, terminal is transmitted using the PUCCH format 1b with Channel assignment
During HARQ-ACK feedback information, UE determines that another method of HARQ-ACK feedback information is：
When the mode of operation of CC is SIMO, the bit number of its HARQ-ACK feedback information is equal to the UL in UL grant
Minimum M _ i=min { UL DAI, M } in both DAI values and HARQ-ACK bundled window sizes M of the CC；
When the mode of operation of CC is MIMO, the bit number of its HARQ-ACK feedback information is equal to the UL DAI in UL grant
It is worth the twice M_i=2*min { UL DAI, M } with the minimum value in both HARQ-ACK bundled window sizes M of the CC.
Calculate the bit number M_ of the HARQ-ACK feedback information of all CC of CA UE configurations successively using above method
I, i=1,2 ... the CC numbers L of configuration.
When HARQ-ACK feedback information bit number sum Σ (M_i) of all CC of CA UE is less than or equal to K (such as K is 4)
When, the bit number of the HARQ-ACK feedback information of all CC of CA UE configurations is constant；Also, HARQ-ACK after space bundlees
When the bit number of feedback information is 1, the HARQ-ACK information bits of 1 bit are directly transmitted；HARQ- after space bundlees
When the bit number of ACK feedback information is 2, the HARQ-ACK information bits of 2 bits are directly transmitted；After space bundlees
When the bit number of HARQ-ACK feedback information is 3, the HARQ-ACK Information Pulls table 2 of 3 bits is mapped as 2 bits；Work as space
When the bit number of HARQ-ACK feedback information is 4 after binding, the HARQ-ACK Information Pulls table 3 of 4 bits is mapped as 2 bits；
When HARQ-ACK feedback information bit number sum Σ (M_i) of all CC of CA UE is more than K (such as K is 4),
Mode of operation is constant for the HARQ-ACK feedback information bit number of the CC of SIMO, also, when the bit of HARQ-ACK feedback information
When number is 1, the HARQ-ACK information bits of 1 bit are directly transmitted；When the bit number of HARQ-ACK feedback information is 2,2
The HARQ-ACK information bits of bit are directly transmitted；When the bit number of HARQ-ACK feedback information is 3, by 3 bits
HARQ-ACK Information Pulls table 2 is mapped as 2 bits；When the bit number of HARQ-ACK feedback information is 4, by the HARQ- of 4 bits
ACK information is mapped as 2 bits using table 3；To mode of operation for the HARQ-ACK feedback information CC of the CC of MIMO carries out space bundle
Tie up, its HARQ-ACK bit number is changed into original half, also, the bit number of HARQ-ACK feedback information is after space bundlees
When 1, the HARQ-ACK information bits of 1 bit are directly transmitted；The bit number of HARQ-ACK feedback information after space bundlees
For 2 when, the HARQ-ACK information bits of 2 bits are directly transmitted；The bit of HARQ-ACK feedback information after space bundlees
When number is 3, the HARQ-ACK Information Pulls table 2 of 3 bits is mapped as 2 bits；HARQ-ACK feedback information after space bundlees
Bit number be 4 when, the HARQ-ACK Information Pulls table 3 of 4 bits is mapped as 2 bits.
The method is illustrated below by embodiment 8.
Embodiment 8：
Assuming that base station is configured with 2 CC for CA UE, and it is respectively main CC and auxiliary CC, main CC is TDD upstream and downstreams configuration 2,
MIMO transmission pattern, auxiliary CC is TDD upstream and downstreams configuration 1, SIMO transmission modes, the bundled window of main CC include subframe 4,5,
6,8 }, bundled window size is 4, and the bundled window of auxiliary CC includes subframe { 4,5,6 }, and bundled window size is 3, dispatches PUSCH
UL Grant sent in the subframe 6 of auxiliary CC, it is assumed that UL DAI=2.
Auxiliary CC is SIMO transmission modes, then the HARQ-ACK feedback information bit number M_i=min { UL DAI, M } of auxiliary CC=
min{2,3}=2；
Main CC is MIMO transmission pattern, and the bit number of the HARQ-ACK feedback information of main CC is equal to ULDAI values with main CC's
2 times of M_i=2*min { UL DAI, M }=2*min { 2,4 }=4 of minimum value in both HARQ-ACK bundled window sizes M.
The bit number of 2 HARQ-ACK feedback informations of CC of CA UE configurations is respectively 2 and 4 sum Σ (M_i)=2+4=6
>The mode of operation of 4, auxiliary CC is SIMO, and its HARQ-ACK feedback information bit number is constant and HARQ-ACK information bits of 2 bits
Directly it is transmitted；The mode of operation of main CC is MIMO, and its HARQ-ACK feedback information CC carries out space binding, its HARQ-ACK
Bit number is changed into original half M_i=M_i/2=4/2=2, and the HARQ-ACK information bits of 2 bits are directly transmitted.
9）When base station employing mode 3 determines UL DAI, and terminal transmits HARQ-ACK feedback information using PUCCH format 3,
UE determines that the method for HARQ-ACK feedback information bit number is：
When the mode of operation of CC is SIMO, the bit number of its HARQ-ACK feedback information is equal to the UL in UL grant
Minimum M _ i=min { UL DAI, M } in both DAI values and size M of HARQ-ACK bundled windows of the CC；
When the mode of operation of CC is MIMO, the bit number of its HARQ-ACK feedback information is equal to the UL in UL grant
The twice M_i=2*min { UL DAI, M } of the minimum value in both DAI values and HARQ-ACK bundled window sizes M of the CC.
Calculate the bit number M_ of the HARQ-ACK feedback information of all CC of CA UE configurations successively using above method
I, i=1,2 ... the CC numbers L of configuration.
When HARQ-ACK feedback information bit number sum Σ (M_i) of all CC of CA UE is less than or equal to N, (for example N is
20) when, the bit number of the HARQ-ACK feedback information of all CC of CA UE configurations is constant；
When the HARQ-ACK feedback information bit number sum of all CC of CA UE is more than N (such as N is 20), Working mould
Formula is constant for the HARQ-ACK feedback information bit number of the CC of SIMO；Mode of operation is the HARQ-ACK feedback information of the CC of MIMO
Space binding is carried out, its HARQ-ACK bit number is changed into original half.
The method is illustrated below by embodiment 9.
Embodiment 9：
Assuming that base station is configured with 2 CC for CA UE, and it is respectively main CC and auxiliary CC, main CC is TDD upstream and downstreams configuration 2,
MIMO transmission pattern, auxiliary CC is TDD upstream and downstreams configuration 1, SIMO transmission modes.The bundled window of main CC include subframe 4,5,
6,8 }, bundled window size is 4, and the bundled window of auxiliary CC includes subframe { 4,5,6 }, and bundled window size is 3, dispatches PUSCH
UL Grant sent in the subframe 6 of auxiliary CC, it is assumed that UL DAI=2.
Auxiliary CC is SIMO transmission modes, then the HARQ-ACK feedback information bit number M_i=min { UL DAI, M } of auxiliary CC=
Min { 2,3 }=2；
Main CC is MIMO transmission pattern, HARQ-ACK feedback information bit number M_i=2*min { UL DAI, M }=2* of main CC
min{3,2}=4；
The UE is configured with 2 CC altogether, and 2 bit number sums of the HARQ-ACK feedback information of CC are 2+4=6<20, CA UE
The bit number of the HARQ-ACK feedback information of all CC of configuration is constant, i.e., the HARQ-ACK feedback information bit number of main CC is 4；
The HARQ-ACK feedback information bit number of auxiliary CC is 2.
10）When base station employing mode 3 determines UL DAI, terminal transmits HARQ-ACK feedback information using PUCCH format 3
When, UE determines that another method of HARQ-ACK feedback information bit number is：
When the mode of operation of CC is SIMO, the bit number of its HARQ-ACK feedback information is equal to the UL in UL grant
Minimum M _ i=min { UL DAI, M } in both DAI values and size M of HARQ-ACK bundled windows of the CC；
When the mode of operation of CC is MIMO, the bit number of its HARQ-ACK feedback information is equal to the UL in ULgrant
The twice M_i=2*min { UL DAI, M } of the minimum value in both DAI values and HARQ-ACK bundled window sizes M of the CC.
Calculate the bit number M_ of the HARQ-ACK feedback information of all CC of CA UE configurations successively using above method
I, i=1,2 ... the CC numbers L of configuration.
When HARQ-ACK feedback information bit number sum Σ (M_i) of all CC of CA UE is less than or equal to N, (for example N is
20) when, the bit number of the HARQ-ACK feedback information of all CC of CA UE configurations is constant；
When HARQ-ACK feedback information bit number sum Σ (M_i) of all CC of CA UE is more than N (such as N is 20),
Mode of operation is constant for the HARQ-ACK feedback information bit number of the CC of SIMO；It is the HARQ-ACK of the CC of MIMO to mode of operation
Feedback information carries out space binding according to certain method, for example, carrying out space binding, Zhi Daojing by CC according to certain priority
The HARQ-ACK feedback information sum of CC and the CC bundled without space of space binding is crossed less than or equal to N (such as N is 20)
When, the HARQ-ACK feedback information of the no longer CC to being bundled without space carries out space binding, the CC's bundled by space
Its HARQ-ACK bit number is changed into original half, and the HARQ-ACK bit numbers of the CC bundled without space are constant.
The method is illustrated below by embodiment 10.
Embodiment 10：
Assuming that base station is configured with 3 CC for CA UE, and it is respectively main CC, auxiliary CC1 and auxiliary CC2, main CC is TDD upstream and downstreams
Configuration 2, MIMO transmission pattern, auxiliary CC1 is TDD upstream and downstreams configuration 2, and MIMO transmission pattern, auxiliary CC2 is that TDD upstream and downstreams are matched somebody with somebody
Put 1, MIMO transmission pattern, as shown in Figure 7.The bundled window of main CC includes subframe { 4,5,6,8 }, and bundled window size is 4, auxiliary
The bundled window of CC1 includes subframe { 4,5,6,8 }, and bundled window size is 4, the bundled window of auxiliary CC2 include subframe 4,5,
6 }, bundled window size is 3, and the UL Grant for dispatching PUSCH send in the subframe 6 of auxiliary CC2, it is assumed that UL DAI=4.
Auxiliary CC2 is MIMO transmission pattern, then auxiliary CC2 HARQ-ACK feedback information bit number M_i=2*min UL DAI,
M }=2*min { 4,3 }=6；
Main CC is MIMO transmission pattern, the HARQ-ACK feedback information bit number M_i=2*min { M_b, UL DAI } of main CC=
2*min{4,4}=8；
Auxiliary CC1 is MIMO transmission pattern, HARQ-ACK feedback information bit number M_i=2*min { M_b, the UL of auxiliary CC1
DAI}=2*min{4,4}=8。
The UE is configured with 3 CC altogether, and 3 bit number sums of the HARQ-ACK feedback information of CC are 8+8+6=22>20, root
According to the above method, it is necessary to mode of operation for the HARQ-ACK feedback information of the CC of MIMO carries out space bundle according to certain method
Tie up, for example, carry out space binding by CC according to certain priority.Assuming that the HARQ-ACK feedback letters of main CC, auxiliary CC1 and auxiliary CC2
The priority for ceasing binding is main CC<Auxiliary CC1<Auxiliary CC2, the first HARQ-ACK feedback information to auxiliary CC2 carry out space binding, bundle
The bit number of the HARQ-ACK feedback information of the auxiliary CC2 after tying up is M_i=M_i/2=6/2=3, in auxiliary CC2 after space bundlees,
The bit number sum of the HARQ-ACK feedback information of all CC of CA UE configurations is 8+8+3=19<20, no longer to auxiliary CC1 and master
The HARQ-ACK feedback information of CC carries out space binding, then the HARQ-ACK feedback information bit number of main CC is 8；Auxiliary CC1's
HARQ-ACK feedback information bit number is 8, and the HARQ-ACK feedback information bit number of auxiliary CC2 is 3.
11）When base station employing mode 3 determines UL DAI, terminal is transmitted using the PUCCH format 1b with Channel assignment
During HARQ-ACK feedback information, UE determines that a kind of method of HARQ-ACK feedback information is：
It is divided into following three kinds of situations：
i）When the mode of operation of CC is SIMO, the bit number of its HARQ-ACK feedback information is equal to the UL in ULgrant
Minimum M _ i=min { UL DAI, M } in both DAI values and HARQ-ACK bundled window sizes M of the CC, also, work as
When the bit number of HARQ-ACK feedback information is 1, the HARQ-ACK information bits of 1 bit are directly transmitted；Work as HARQ-ACK
When the bit number of feedback information is 2, the HARQ-ACK information bits of 2 bits are directly transmitted；Work as HARQ-ACK feedback information
Bit number be 3 when, the HARQ-ACK Information Pulls table 2 of 3 bits is mapped as 2 bits；When the ratio of HARQ-ACK feedback information
When special number is 4, the HARQ-ACK Information Pulls table 3 of 4 bits is mapped as 2 bits；
ii）UL DAI values in the mode of operation of CC is for MIMO and UL grant bundle window with the HARQ-ACK of the CC
Minimum value min { UL DAI, M } in both mouth size M>When 1, space binding is carried out first, its HARQ- after being bundled through space
ACK feedback information bit number is equal in both ULDAI values and HARQ-ACK bundled window sizes of the CC in UL grant
Minimum M _ i=min { ULDAI, M }；Also, when the bit number of HARQ-ACK feedback information after space bundlees is 1,1 bit
HARQ-ACK information bits be directly transmitted；When the bit number of HARQ-ACK feedback information after space bundlees is 2,2 ratios
Special HARQ-ACK information bits are directly transmitted；When the bit number of HARQ-ACK feedback information after space bundlees is 3, will
The HARQ-ACK Information Pulls table 2 of 3 bits is mapped as 2 bits；The bit number of HARQ-ACK feedback information is 4 after space bundlees
When, the HARQ-ACK Information Pulls table 3 of 4 bits is mapped as 2 bits.
iii）UL DAI values in the mode of operation of CC is for MIMO and UL grant are bundled with the HARQ-ACK of the CC
During minimum value min { UL DAI, M }=1 in both window size M, the bit number of its HARQ-ACK feedback information is equal to 2,2 ratios
Special HARQ-ACK information bits are directly transmitted.
The method is illustrated below by embodiment 11.
Embodiment 11：
Assuming that base station is configured with 2 CC for CA UE, and it is respectively main CC and auxiliary CC, main CC is TDD upstream and downstreams configuration 2,
MIMO transmission pattern, auxiliary CC be TDD upstream and downstreams configuration 1, SIMO transmission modes main CC bundled window include subframe 4,5,
6,8 }, bundled window size is 4, and the bundled window of auxiliary CC includes subframe { 4,5,6 }, and bundled window size is 3, dispatches PUSCH
UL Grant sent in the subframe 6 of auxiliary CC, it is assumed that UL DAI=2.
Auxiliary CC is SIMO transmission modes, then the HARQ-ACK feedback information bit number M_i=min { UL DAI, M } of auxiliary CC=
Min { 2,3 }=2, the HARQ-ACK information bits of this 2 bit are directly transmitted；
Main CC is MIMO transmission pattern, the HARQ-ACK bundled window sizes M of the UL DAI values in UL grant and main CC
Minimum value min { UL DAI, M }=min { 2,4 }=2 in both>1, first, to the HARQ-ACK of each descending sub frame of main CC
Feedback information carries out space binding so that the bit number of the HARQ-ACK feedback information of main CC is equal to UL DAI values with main CC's
Minimum M _ i=min { UL DAI, M }=min { 2,4 }=2 in both HARQ-ACK bundled window sizes M, then, by this 2 ratio
Special HARQ-ACK information bits are directly transmitted.
12）When base station employing mode 3 determines UL DAI, terminal is transmitted using the PUCCH format 1b with Channel assignment
During HARQ-ACK feedback information, UE determines that another method of HARQ-ACK feedback information is：
When the mode of operation of CC is SIMO, the bit number of its HARQ-ACK feedback information is equal to the UL in UL grant
Minimum M _ i=min { UL DAI, M } in both DAI values and HARQ-ACK bundled window sizes M of the CC；
When the mode of operation of CC is MIMO, the bit number of its HARQ-ACK feedback information is equal to the UL DAI in UL grant
It is worth the twice M_i=2*min { UL DAI, M } with the minimum value in both HARQ-ACK bundled window sizes M of the CC.
Calculate the bit number M_ of the HARQ-ACK feedback information of all CC of CA UE configurations successively using above method
I, i=1,2 ... the CC numbers L of configuration.
When HARQ-ACK feedback information bit number sum Σ (M_i) of all CC of CA UE is less than or equal to K (such as K is 4)
When, the bit number of the HARQ-ACK feedback information of all CC of CA UE configurations is constant；Also, HARQ-ACK after space bundlees
When the bit number of feedback information is 1, the HARQ-ACK information bits of 1 bit are directly transmitted；HARQ- after space bundlees
When the bit number of ACK feedback information is 2, the HARQ-ACK information bits of 2 bits are directly transmitted；After space bundlees
When the bit number of HARQ-ACK feedback information is 3, the HARQ-ACK Information Pulls table 2 of 3 bits is mapped as 2 bits；Work as space
When the bit number of HARQ-ACK feedback information is 4 after binding, the HARQ-ACK Information Pulls table 3 of 4 bits is mapped as 2 bits；
When HARQ-ACK feedback information bit number sum Σ (M_i) of all CC of CA UE is more than K (such as K is 4),
Mode of operation is constant for the HARQ-ACK feedback information bit number of the CC of SIMO, also, when the bit of HARQ-ACK feedback information
When number is 1, the HARQ-ACK information bits of 1 bit are directly transmitted；When the bit number of HARQ-ACK feedback information is 2,2
The HARQ-ACK information bits of bit are directly transmitted；When the bit number of HARQ-ACK feedback information is 3, by 3 bits
HARQ-ACK Information Pulls table 2 is mapped as 2 bits；When the bit number of HARQ-ACK feedback information is 4, by the HARQ- of 4 bits
ACK information is mapped as 2 bits using table 3；To mode of operation for the HARQ-ACK feedback information CC of the CC of MIMO carries out space bundle
Tie up, its HARQ-ACK bit number is changed into original half, and the bit number of HARQ-ACK feedback information is 1 after space bundlees
When, the HARQ-ACK information bits of 1 bit are directly transmitted；The bit number of HARQ-ACK feedback information is after space bundlees
When 2, the HARQ-ACK information bits of 2 bits are directly transmitted；The bit number of HARQ-ACK feedback information after space bundlees
For 3 when, the HARQ-ACK Information Pulls table 2 of 3 bits is mapped as 2 bits；HARQ-ACK feedback information after space bundlees
When bit number is 4, the HARQ-ACK Information Pulls table 3 of 4 bits is mapped as 2 bits.
The method is illustrated below by embodiment 12.
Embodiment 12：
Assuming that base station is configured with 2 CC for CA UE, and it is respectively main CC and auxiliary CC, main CC is TDD upstream and downstreams configuration 2,
MIMO transmission pattern, auxiliary CC be TDD upstream and downstreams configuration 1, SIMO transmission modes main CC bundled window include subframe 4,5,
6,8 }, bundled window size is 4, and the bundled window of auxiliary CC includes subframe { 4,5,6 }, and bundled window size is 3, dispatches PUSCH
UL Grant sent in the subframe 6 of auxiliary CC, it is assumed that UL DAI=2.
Auxiliary CC is SIMO transmission modes, then the HARQ-ACK feedback information bit number M_i=min { UL DAI, M } of auxiliary CC=
min{2,3}=2；
Main CC is MIMO transmission pattern, and the bit number of the HARQ-ACK feedback information of main CC is equal to UL DAI values with main CC's
2 times of M_i=2*min { UL DAI, M }=2*min { 2,4 }=4 of minimum value in both HARQ-ACK bundled window sizes M.
The bit number of 2 HARQ-ACK feedback informations of CC of CA UE configurations is respectively 2 and 4 sum Σ (M_i)=2+4=6
>The mode of operation of 4, auxiliary CC is SIMO, and its HARQ-ACK feedback information bit number is constant and HARQ-ACK information bits of 2 bits
Directly it is transmitted；The mode of operation of main CC is MIMO, and its HARQ-ACK feedback information CC carries out space binding, its HARQ-ACK
Bit number is changed into original half M_i=M_i/2=4/2=2, and the HARQ-ACK information bits of 2 bits are directly transmitted.
As seen from the above-described embodiment, the method for the transmission HARQ-ACK feedback information that the present invention is provided, according to transmission HARQ-
The value of the UL DAI of the CC belonging to the PUSCH of ACK feedback information and the bundled window size of each CC determine HARQ-ACK
The bit number of feedback information such that it is able to carry out correct HARQ- in the upstream and downstream of multiple CC configures different CA systems
ACK feedback information is transmitted, and then effectively supports the different situation of the uplink-downlink configuration of multiple CC of carrier aggregation.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements done etc. should be included within the scope of protection of the invention.
Claims (8)
1. a kind of method for sending HARQ-ACK feedback information, for the time division duplex of multiple member carrier CC in carrier aggregation CA
TDD upstream and downstreams configure different situations, it is characterised in that the method includes：
User terminal UE receives the uplink authorization UL grant that base station sends, and downlink distribution is obtained from the UL grant
Index UL DAI；
Physically row shared channel PUSCH sends HARQ-ACK feedback information, the bit of the HARQ-ACK feedback information to UE
The size of UL DAI values and bundled window in the UL Grant of several PUSCH according to scheduled transmission HARQ-ACK feedback information
Bundling window size determine；
Wherein, the value of the UL DAI includes following at least one：
The value 1 of the UL DAI is：The corresponding HARQ- of each CC of HARQ-ACK feedback information are sent in same PUSCH
First subframe in ACK bundled windows starts each CC scheduled number of sub frames to the subframe of UL grant is sent
Maximum；
The value 2 of the UL DAI is：The corresponding HARQ- of each CC of HARQ-ACK feedback information are sent in same PUSCH
The maximum of the number of sub frames that will be dispatched in ACK bundled windows；
The value 3 of the UL DAI is：Indicate each CC that HARQ-ACK feedback information is sent in same PUSCH corresponding
It is used for the reference value of the bundled window of computed HARQ-ACK feedback information bit number in HARQ-ACK bundled windows.
2. method according to claim 1, it is characterised in that：
For the value 1 of the UL DAI：
By the UL of the PUSCH in scheduled transmission HARQ-ACK feedback information is sent in the HARQ-ACK bundled windows of each CC
Before the subframe of grant and including send scheduled transmission HARQ-ACK feedback information PUSCH UL grant subframe portion
Divide the Part I for being referred to as HARQ-ACK bundled windows, will be in the HARQ-ACK bundled windows of each CC in transmission scheduled transmission
Part after the subframe of the UL grant of the PUSCH of HARQ-ACK feedback information is referred to as second of HARQ-ACK bundled windows
Point；
When the mode of operation of CC is SIMO, the bit number of its original HARQ-ACK feedback information is equal to scheduled transmission HARQ-ACK
The chi of UL DAI values in the UL grant of the PUSCH of feedback information and the Part I of the HARQ-ACK bundled windows of the CC
The size sum of very little minimum value in both and the Part II of the HARQ-ACK bundled windows of the CC；
When the mode of operation of CC is MIMO, the bit number of its original HARQ-ACK feedback information is equal to scheduled transmission HARQ-ACK
The chi of UL DAI values in the UL grant of the PUSCH of feedback information and the Part I of the HARQ-ACK bundled windows of the CC
2 times of very little minimum value in both and the size sum of the Part II of the HARQ-ACK bundled windows of the CC.
3. method according to claim 1, it is characterised in that：
For the value 2 of the UL DAI：
When the mode of operation of CC is single input and multi-output SIMO, the bit number of its original HARQ-ACK feedback information is equal to UL
Minimum value in both UL DAI values in grant and size of HARQ-ACK bundled windows of the CC；
When the mode of operation of CC is multiple-input and multiple-output MIMO, the bit number of its original HARQ-ACK feedback information is equal to UL
The twice of the minimum value in both UL DAI values in grant and HARQ-ACK bundled window sizes of the CC.
4. method according to claim 1, it is characterised in that：
For the value 3 of the UL DAI：
When the mode of operation of CC is SIMO, the bit number of its original HARQ-ACK feedback information is equal to the UL in UL grant
Minimum value in both DAI values and size of HARQ-ACK bundled windows of the CC；
When the mode of operation of CC is MIMO, the bit number of its original HARQ-ACK feedback information is equal to the UL in UL grant
The twice of the minimum value in both DAI values and HARQ-ACK bundled window sizes of the CC.
5. the method according to any one of claim 2 to 4, it is characterised in that：
The bit number of the original HARQ-ACK feedback information of all CC of UE configurations is calculated successively；
When the bit number sum of the original HARQ-ACK feedback information of all CC is less than or equal to N, the HARQ-ACK of all CC is anti-
The bit number of feedforward information keeps constant；Wherein, N is the integer for pre-setting；
When the bit number sum of the original HARQ-ACK feedback information of all CC is more than N, mode of operation is the CC's of SIMO
The bit number of HARQ-ACK feedback information keeps constant；To mode of operation for the HARQ-ACK feedback information of the CC of MIMO carries out sky
Between bundle, make its HARQ-ACK feedback information bit number be changed into original HARQ-ACK feedback information bit number half.
6. the method according to any one of claim 2 to 4, it is characterised in that：
The bit number of the original HARQ-ACK feedback information of all CC of UE configurations is calculated successively；
When the bit number sum of the original HARQ-ACK feedback information of all CC is less than or equal to N, the HARQ-ACK of all CC is anti-
The bit number of feedforward information keeps constant；Wherein, N is the integer for pre-setting；
When the bit number sum of the original HARQ-ACK feedback information of all CC is more than N, mode of operation is the CC's of SIMO
The bit number of HARQ-ACK feedback information keeps constant；To mode of operation for MIMO CC HARQ-ACK feedback information according to pre-
If priority carry out space binding by CC, the HARQ-ACK of the CC bundled until the CC that is bundled by space and without space
When the bit number sum of feedback information is less than or equal to N, the HARQ-ACK feedback information of the no longer CC to being bundled without space is entered
Row space bundlees, and the bit number of CC its HARQ-ACK feedback information bundled by space is changed into original HARQ-ACK feedback information
Bit number half, without space bundle CC HARQ-ACK feedback information bit number keep it is constant.
7. the method according to any one of claim 2 to 4, it is characterised in that：
When the mode of operation of CC is SIMO, the bit number of its HARQ-ACK feedback information keeps constant；
When the mode of operation of CC is the UL DAI values in MIMO and UL grant and the HARQ-ACK bundled window sizes of the CC
When minimum value in both is more than 1, the HARQ-ACK feedback information to the CC carries out space binding, feeds back its HARQ-ACK
The bit number of information is equal in both UL DAI values and HARQ-ACK bundled window sizes of the CC in UL grant most
Small value；
When the mode of operation of CC is the UL DAI values in MIMO and UL grant and the HARQ-ACK bundled window sizes of the CC
When minimum value in both is equal to 1, the bit number of its HARQ-ACK feedback information keeps constant；
After through above-mentioned treatment, if the bit number of HARQ-ACK feedback information is direct for the HARQ-ACK information bits of 1,1 bit
It is transmitted；If the bit number of HARQ-ACK feedback information is directly transmitted for the HARQ-ACK information bits of 2,2 bits；
If the bit number of HARQ-ACK feedback information is mapped as 2 bits for the HARQ-ACK Information Pulls table 1 of 3,3 bits；If
The bit number of HARQ-ACK feedback information is mapped as 2 bits for the HARQ-ACK Information Pulls table 2 of 4,4 bits；Wherein：
Table 1
Table 2
Wherein, that A is indicated is HARQ-ACK information ACK, and that N is indicated is HARQ-ACK information NACK, and that D is indicated is HARQ-ACK
Information DTX, any represent that any HARQ-ACK ' (0), HARQ-ACK ' (1), HARQ-ACK ' (2) and HARQ-ACK ' (3) are represented and reflect
HARQ-ACK information before penetrating.
8. the method according to any one of claim 2 to 4, it is characterised in that：
The bit number of the original HARQ-ACK feedback information of all CC of UE configurations is calculated successively；
When the bit number sum of the original HARQ-ACK feedback information of all CC is less than or equal to K, the HARQ-ACK of all CC is anti-
The bit number of feedforward information keeps constant, wherein, K is the integer for pre-setting；
When the bit number sum of the original HARQ-ACK feedback information of all CC is more than K, mode of operation is the CC's of SIMO
The bit number of HARQ-ACK feedback information keeps constant；To mode of operation for the HARQ-ACK feedback information of the CC of MIMO carries out sky
Between bundle, the bit number of its HARQ-ACK feedback information is changed into original half；
After through above-mentioned treatment, if the bit number of HARQ-ACK feedback information is direct for the HARQ-ACK information bits of 1,1 bit
It is transmitted；If the bit number of HARQ-ACK feedback information is directly transmitted for the HARQ-ACK information bits of 2,2 bits；
If the bit number of HARQ-ACK feedback information is mapped as 2 bits for the HARQ-ACK Information Pulls table 1 of 3,3 bits；If
The bit number of HARQ-ACK feedback information is mapped as 2 bits for the HARQ-ACK Information Pulls table 2 of 4,4 bits；Wherein：
Table 1
Table 2
Wherein, that A is indicated is HARQ-ACK information ACK, and that N is indicated is HARQ-ACK information NACK, and that D is indicated is HARQ-ACK
Information DTX, any represent that any HARQ-ACK ' (0), HARQ-ACK ' (1), HARQ-ACK ' (2) and HARQ-ACK ' (3) are represented and reflect
HARQ-ACK information before penetrating.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710353029.1A CN107135052B (en) | 2011-05-31 | 2012-05-11 | Method for sending HARQ-ACK feedback information |
| CN201210146454.0A CN102904698B (en) | 2011-05-31 | 2012-05-11 | A kind of method of transmission HARQ ACK feedback informations |
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| CN2011101576503 | 2011-05-31 | ||
| CN201110157650.3 | 2011-05-31 | ||
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| CN2011102348951 | 2011-08-15 | ||
| CN201110234895.1 | 2011-08-15 | ||
| CN201110234895 | 2011-08-15 | ||
| CN201210069445.6 | 2012-03-15 | ||
| CN2012100694456 | 2012-03-15 | ||
| CN201210069445 | 2012-03-15 | ||
| CN201210146454.0A CN102904698B (en) | 2011-05-31 | 2012-05-11 | A kind of method of transmission HARQ ACK feedback informations |
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| CN201710353029.1A Division CN107135052B (en) | 2011-05-31 | 2012-05-11 | Method for sending HARQ-ACK feedback information |
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| WO2016039183A1 (en) * | 2014-09-10 | 2016-03-17 | シャープ株式会社 | Terminal, base station, and communication method |
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| US11218254B2 (en) | 2015-01-29 | 2022-01-04 | Samsung Electronics Co., Ltd | Method and apparatus for transmitting/receiving HARQ-ACK signal in wireless communication system supporting carrier aggregation |
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| CN109474371B (en) * | 2017-09-08 | 2024-01-19 | 北京三星通信技术研究有限公司 | HARQ-ACK information feedback method and device |
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| CN102904698A (en) | 2013-01-30 |
| CN107135052B (en) | 2021-02-02 |
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