CN102098145B - Method and device for transmitting uplink acknowledgment message - Google Patents
Method and device for transmitting uplink acknowledgment message Download PDFInfo
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- CN102098145B CN102098145B CN201110030065.7A CN201110030065A CN102098145B CN 102098145 B CN102098145 B CN 102098145B CN 201110030065 A CN201110030065 A CN 201110030065A CN 102098145 B CN102098145 B CN 102098145B
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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
- H04L1/1621—Group acknowledgement, i.e. the acknowledgement message defining a range of identifiers, e.g. of sequence numbers
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Abstract
The invention discloses a method and device for transmitting an uplink acknowledgment message. The method comprises the steps: dividing acknowledgment/non-acknowledgement (ACK/NACK) messages of a plurality of downlink subframes which correspond to an uplink subframe in a component carrier (CC) into two groups according to a downlink allocated index (DAI) value, wherein the ACK/NACK messages in each group respectively generate a 2-bit message in a bundling way; and feeding back the two groups of finally-generated 4-bit messages in the manner of channel selection. After the invention is used, the feedback of the ACK/NACK messages on the uplink subframe is realized when the configuration ratio of the uplink subframe to the downlink subframes is 1:9 in a time division duplex (TDD) system, the bit number of the ACK/NACK transmission is reduced, the channel capacity of a physical uplink control channel (PUCCH) is effectively utilized, the effective transmission of the ACK/NACK messages is guaranteed, and the system performance of the system is improved.
Description
Technical field
The present invention relates to the communications field, more particularly, to a kind of sending method of uplink acknowledgment message and device.
Background technology
Long Term Evolution (lte, long term evolution) system is with OFDM (ofdm, orthogonal
Frequency division multiplexing) and multiple-input and multiple-output (mimo, multi-input multi-output)
As core technology, the peak rate of up 50mbps and descending 100mbps can be provided on the spectral bandwidth of 20mhz.With
3g compares, and lte has higher message transmission rate, can improve the performance of Cell Edge User, improve cell capacity, reduction
System delay, and can realize wide area cover and backward compatible, be accordingly regarded as the mainstream technology of 3g to 4g evolution.
In lte system, confirmation/non-acknowledgement (ack/nack) feedback signal is in FDD (fdd, frequency
Division duplexing) it is to differ in system and time division duplex (tdd, time division duplexing) system
's.In fdd system, due to being one-to-one relation between sub-frame of uplink and descending sub frame, therefore each descending sub frame
Ack/nack feedback is carried on corresponding sub-frame of uplink.And in tdd system, correspond to due to there are multiple descending sub frames simultaneously
The scene of one sub-frame of uplink, is therefore accomplished by considering that the corresponding ack/nack of this multiple descending sub frame feeds back how on one
The problem sending in row subframe.
At present, the ack/nack feedback system under tdd has two kinds, is binding (bundling) pattern and multiplexing respectively
(multiplexing) pattern.As ack/nack physically row control channel (pucch, physical uplink control
Channel) upper when feeding back, under bundling pattern, the corresponding multiple ack/nack of multiple descending sub frame in each streams of code words
Bundling is operated to become 1bit by logical AND, so, the ack/nack on multiple descending sub frames feds back through logical AND and reduces
Arrive most 2bit, can feed back on a corresponding sub-frame of uplink.Under multiplexing pattern, each descending sub frame
On carry out between streams of code words ack/nack logical AND operation, that is, space binding (spatial bundling), m descending sub frame
Correspond to the ack/nack bit after m logical AND, this m bit is by way of pucch format1b and Channel assignment
The final information feeding back 2bit after tabling look-up.So, by bundling mode or multiplexing mode in tdd system
Ack/nack feedback problem when just can solve the problem that ascending-descending subframes configuration is asymmetric.
In tdd pattern, the uplink-downlink configuration that each subframe is supported is as shown in table 1 below:
Table 1
Wherein, " d " represents the subframe being exclusively used in downlink transfer, and " u " represents the subframe being exclusively used in uplink, and " s " represents
For descending pilot frequency time slot (dwpts, downlink pilot time slot), protection interval (gp, guard period) and
The special subframe in uplink pilot time slot (uppts, uplink pilot time slot) these three domains.The frame structure of tdd system
As shown in figure 1, wherein, tsRepresent the minimum time unit in radio frames, tfRepresent the duration of radio frames, tslotIndicate Wu
The duration of a time slot in line frame.
As can be seen from the above table, in ascending-descending subframes configuration 5, sub-frame of uplink need to feed back simultaneously 9 descending
The ack/nack of subframe, that is, ascending-descending subframes be configured to 1: 9.If ack/nack feeds back under channel selective mode, need
Consider how to feed back the problem of multiple ack/nack bits by bundling mode, but prior art also cannot provide solution
The certainly solution of the problems referred to above.
Content of the invention
In view of this, present invention is primarily targeted at providing a kind of sending method of uplink acknowledgment message and device, with
Realize in tdd system, when ascending-descending subframes are configured to 1: 9, feedback on a sub-frame of uplink for multiple ack/nack.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
The invention provides a kind of sending method of uplink acknowledgment message, the method includes:
Index (dai) value according to downstream arrangements, will be corresponding multiple for one of one-component carrier wave (cc) sub-frame of uplink
Confirmation/non-acknowledgement (ack/nack) information of descending sub frame is divided into two groups, and the ack/nack information in each group passes through binding
(bundling) 2 bit informations are produced respectively；
Two groups of 4 bit informations ultimately generating are fed back by way of Channel assignment.
Described according to dai value, by the ack/nack letter of corresponding for one of cc sub-frame of uplink multiple descending sub frames
Breath is divided into two groups, particularly as follows:
Corresponding dai value is divided into one group for multiple descending sub frames of odd number, by corresponding dai value for even number multiple under
Row subframe is divided into another group.
To there is no dai value and need to feed back the descending sub frame of ack/nack to be placed on dai value be initial in the packet of odd number
Position.
2 bit informations producing in each group are produced by one of them of following two modes:
Described 2 bit informations represent in each group all ack/nack information after logical AND operation confirmation and
Physical Downlink Shared Channel (pdsch) quantity of Physical Downlink Control Channel (pdcch) is received in bundling window；
Described 2 bit informations represent in each group all ack/nack information after the bundling of space according to dai
The quantity of the continuous ack starting from initial position after the size sequence of value, wherein, does not have the ack/nack information of dai value to be located at
First position in group.
Described two groups 4 bit informations ultimately generating pass through Physical Uplink Control Channel form 1b (pucch format1b)
Feed back with the mode of Channel assignment；Each group produces two pucch resources, two groups of four producing altogether needed for Channel assignment respectively
Individual pucch resource, wherein, each organizes corresponding two pucch resources according to first ack/ after resequencing in each group
Nack information and the corresponding pucch resource of second ack/nack information obtain.
Present invention also offers a kind of dispensing device of uplink acknowledgment message, this device includes:
Grouping module, for according to dai value, by corresponding for one of cc sub-frame of uplink multiple descending sub frames
Ack/nack information is divided into two groups, and the ack/nack information in each group produces 2 bit informations respectively by bundling；
Feedback module, 4 bit informations for ultimately generating two groups are fed back by way of Channel assignment.
Described grouping module is further used for, and corresponding dai value is divided into one group for multiple descending sub frames of odd number, will be right
The dai value answered is divided into another group for multiple descending sub frames of even number.
Described grouping module is further used for, and will not have dai value and needs the descending sub frame feeding back ack/nack to be placed on
Dai value is the initial position in the packet of odd number.
Described grouping module is further used for, and is believed by one of them 2 bit producing each group of following two modes
Breath:
Described 2 bit informations represent in each group all ack/nack information after logical AND operation confirmation and
The pdsch quantity of pdcch is received in bundling window；
Described 2 bit informations represent in each group all ack/nack information after the bundling of space according to dai
The quantity of the continuous ack starting from initial position after the size sequence of value, wherein, does not have the ack/nack information of dai value to be located at
First position in group.
Described feedback module is further used for, and two groups of 4 bit informations ultimately generating are passed through pucchformat1b and letter
The mode that road selects is fed back；Each group produces two pucch resources, two groups of four producing altogether needed for Channel assignment respectively
Pucch resource, wherein, each organizes corresponding two pucch resources according to first ack/ after resequencing in each group
Nack information and the corresponding pucch resource of second ack/nack information obtain.
A kind of sending method of uplink acknowledgment message provided by the present invention and device, give in tdd system, up-downgoing
When sub-frame configuration is 1: 9, the method that multiple ack/nack feed back on a sub-frame of uplink, reduce the ratio of ack/nack transmission
Special number, is effectively utilized the channel capacity of pucch it is ensured that ack/nack information can effectively be transmitted, improves systematic function.
Brief description
Fig. 1 is the frame structure schematic diagram of existing tdd system；
Fig. 2 is a kind of sending method flow chart of uplink acknowledgment message of the present invention；
Fig. 3 is a kind of composition structural representation of the dispensing device of uplink acknowledgment message of the present invention.
Specific embodiment
The technical solution of the present invention is further elaborated with specific embodiment below in conjunction with the accompanying drawings.
The present invention gives in tdd system, ascending-descending subframes configure under the scene of 5 (i.e. ascending-descending subframes are configured to 1: 9),
Feedback method under channel selective mode for the ack/nack information.As shown in Fig. 2 the method mainly comprises the steps that
Step 201, indexes (dai, downlink assignment index) value according to downstream arrangements and (divides a cc
Loading gage ripple, also referred to as Serving cell) one of the ack/nack information of the corresponding multiple descending sub frames of sub-frame of uplink be divided into
Two groups, the ack/nack information in each group produces 2 bit informations respectively by bundling.
Step 202, two groups of 4 bit informations ultimately generating is fed back by way of Channel assignment, thus realizing multiple
Ack/nack information on the descending sub frame feedback on a sub-frame of uplink simultaneously.Specific:
Dai value implication needed for time domain grouping is expressed as follows: dai value on present sub-frame represent present sub-frame and it
The thing of Physical Downlink Control Channel (pdcch, physical downlink control channel) has been received on front subframe
The sum of reason DSCH Downlink Shared Channel (pdsch, physical downlink shared channel), is a count value.Often
The descending sub frame of one pdsch receiving pdcch all corresponds to a different dai value.
Above-mentioned time domain grouping principle is: the descending sub frame receiving pdsch is divided into two groups according to dai value, wherein, will be right
The dai value answered is divided into one group for multiple descending sub frames of odd number, and corresponding dai value is divided into separately for multiple descending sub frames of even number
One group.
Further, by do not have dai value and need feed back ack/nack descending sub frame be placed on dai value for odd number point
Initial position in group.
Further, two described packets are respectively adopted bundling mode and multiple ack/nack feedback are bound into 2 ratios
Special information.2 bit informations producing in each packet are produced by one of them of following two modes:
Mode one: 2 bit information represents all ack/nack information confirmation letter after logical AND operation in each group
The pdsch quantity of pdcch is received in breath and this bundling window；
Mode two: 2 bit information represents all ack/nack information basis after the bundling of space in each group
The quantity of the continuous ack starting from initial position after the size sequence of dai value, wherein, does not have the ack/nack information bit of dai value
First position in group.
Two packets ultimately generate 4 bit informations pass through Physical Uplink Control Channel form 1b (pucch format1b) and
The mode of Channel assignment is fed back.Each packet produces two pucch resources respectively, and two packets have altogether and produce Channel assignment institute
The four pucch resources needing, wherein, each organizes corresponding two pucch resources according to first after resequencing in each group
Individual ack/nack information and the corresponding pucch resource of second ack/nack information obtain.
In conjunction with specific embodiment, the sending method of above-mentioned uplink acknowledgment message is described in detail below.
Embodiments of the invention one are according to being embodied as that mode one produces only for 2 bit informations in each packet
Example.
First, the descending sub frame receiving pdsch is divided into two groups according to dai value, wherein, corresponding dai value is 1/3/5/
7/9 multiple descending sub frames are divided into one group, and corresponding multiple descending sub frames for 2/4/6/8 for the dai value are divided into another group.To not have
The ack/nack feedback of the descending sub frame of dai value is placed on dai value for the initial position in the packet of odd number.
Preferably, the packet comprising 5 descending sub frames can become 2 bit informations according to mode bundling of table 2 below,
When the number of the descending sub frame comprising in packet is 1/2/3/4, all can be mapped with synopsis 2.
| Logical AND result, the descending sub frame number receiving | b(0)b(1) |
| nack/dtx | 0,0 |
| Ack, 1/4 | 0,1 |
| Ack, 2/5 | 1,0 |
| Ack, 3 | 1,1 |
Table 2
In table 2, ack and nack represents the result after bundling, and dtx represents what at least one descending sub frame was lost
Scene, 1/2/3/4/5 represents the number of the descending sub frame comprising in packet.Wherein, ack, 1/4 represents the result after logical AND
Be the number of descending sub frame in ack and bundling window be 1 or 4；Ack, 2/5 expression logical AND after result be
The number of the descending sub frame in ack and bundling window is 2 or 5；Ack, 3 expression logical ANDs after result be ack,
And the number of the descending sub frame in bundling window is 3.B (0) b (1) represents according to each point of the corresponding relation described in table 2
2 bit informations ultimately generating in group.
Each packet produces 2 bit informations respectively through the mapping relations of upper table, and two such packet ultimately produces 4 ratios
Special information, and feed back 4 described bit informations using the mode that pucch format1b adds Channel assignment.
4 bit informations after pass-through mode one mapping send on pucch channel resource in the mode using Channel assignment
When, each of which packet produces two pucch resources respectively, and two packets have four producing needed for Channel assignment altogether
Pucch resource, each organizes corresponding two pucch resources according to first ack/nack information after resequencing in each group
Corresponding pucch resource obtains with second ack/nack information.
The concrete reality that embodiments of the invention two produce according to mode two only for 2 bit informations producing in each packet
Apply example.
First, the descending sub frame receiving pdsch is divided into two groups according to dai value, wherein, corresponding dai value is 1/3/5/
7/9 multiple descending sub frames are divided into one group, and corresponding multiple descending sub frames for 2/4/6/8 for the dai value are divided into another group.To not have
The ack/nack feedback of the descending sub frame of dai value is placed on dai value for the initial position in the packet of odd number.
Comprise 5 descending sub frames is grouped in when multiple ack/nack information MAP are become 2 bit information, 2 bit informations
Corresponding four kinds of states, and the continuous ack number starting from initial position in bundling window has six kinds of values, therefore in mapping
When, there are two states to correspond to two possible values of ack respectively, remaining two states has corresponded to a possibility of ack respectively
Value；Preferably, 5 descending sub frames can become 2 bit informations according to mode bundling of Table 3 below, when bag in packet
When the number of the descending sub frame containing is 1/2/3/4, all can be mapped with synopsis 3.
| In bundling window, initial position starts the number of continuous ack | b(0)b(1) |
| Ack, 0 | 0,0 |
| Ack, 1 | 0,1 |
| Ack, 2/3 | 1,0 |
| Ack, 4/5 | 1,1 |
Table 3
In table 3, ack represents the result after the bundling of each descending sub frame space, and 0/1/2/3/4/5 represents in packet
According to the number starting continuous ack after the size sequence of dai value from initial position after the bundling of space.Wherein, ack, 0 table
There is no ack in bundling window after showing space bundling；Ack, after sorting according to dai size after 1 representation space bundling
Starting continuous ack number from initial position in bundling window is 1；Ack is big according to dai after 2/3 representation space bundling
Starting continuous ack number from initial position in bundling window after little sequence is 2 or 3；Ack, 4/5 representation space
Starting continuous ack number from initial position in bundling window after sorting according to dai size after bundling is 4 or 5.b
(0) b (1) represents according to 2 bit informations ultimately generating in each packet of the corresponding relation described in table.
Preferably, 5 descending sub frames can also become 2 bit informations according to mode bundling of table 4 below, when in packet
When the number of the descending sub frame comprising is 1/2/3/4, all can be mapped with synopsis 4.
| In bundling window, initial position starts the number of continuous ack | b(0)b(1) |
| Ack, 0/1 | 0,0 |
| Ack, 2/3 | 0,1 |
| Ack, 4 | 1,0 |
| Ack, 5 | 1,1 |
Table 4
In table 4, ack represents the result after the bundling of each descending sub frame space, and 0/1/2/3/4/5 represents in packet
According to the number starting continuous ack after the size sequence of dai value from initial position after the bundling of space.Wherein, ack, 0/1
After being sorted according to dai size after there is no ack or space bundling in bundling window after representation space bundling
Starting continuous ack number from initial position in bundling window is 1；Ack is big according to dai after 2/3 representation space bundling
Starting continuous ack number from initial position in bundling window after little sequence is 2 or 3；Ack, 4 representation space bundling
Starting continuous ack number from initial position in bundling window after sorting according to dai size afterwards is 4；Ack, 5 representation spaces
Starting continuous ack number from initial position in bundling window after sorting according to dai size after bundling is 5.b(0)b
(1) represent according to 2 bit informations ultimately generating in each packet of the corresponding relation described in table.
Each packet produces 2 bit informations respectively through above-mentioned mapping relations, and two such packet ultimately produces 4 ratios
Special information, and feed back 4 described bit informations using the mode that pucch format1b adds Channel assignment.
4 bit informations after pass-through mode two mapping send on pucch channel resource in the mode using Channel assignment
When, each of which packet produces two pucch resources, and two packets have the four pucch moneys producing needed for Channel assignment altogether
Source, each organizes corresponding two pucch resources according to the first ack/nack information and second after resequencing in each group
The corresponding pucch resource of individual ack/nack information obtains.
From the above embodiments as can be seen that the present invention determines time domain grouping mode by different dai values, thus solving
The feedback problem of multiple ack/nack in tdd system of having determined, reduces the bit number of ack/nack transmission, is effectively utilized
The channel capacity of pucch, it is ensured that ack/nack information can effectively be transmitted, improves systematic entirety energy.
The sending method of corresponding above-mentioned uplink acknowledgment message, present invention also offers a kind of transmission dress of uplink acknowledgment message
Put, as shown in figure 3, this device includes: grouping module 10 and feedback module 20.Wherein, grouping module 10, for according to dai value,
The ack/nack information of corresponding for one of one cc sub-frame of uplink multiple descending sub frames is divided into two groups, in each group
Ack/nack information produces 2 bit informations respectively by bundling.Feedback module 20, for 4 ratios ultimately generating two groups
Special information is fed back by way of Channel assignment.
Preferably, grouping module 10 can be additionally used in, corresponding dai value is divided into one group for multiple descending sub frames of odd number,
Corresponding dai value is divided into another group for multiple descending sub frames of even number.Further, will there is no dai value and need to feed back
The descending sub frame of ack/nack is placed on dai value for the initial position in the packet of odd number.
Wherein, 2 bit informations producing in each group are produced by one of them of following two modes:
Mode one: 2 bit information represents all ack/nack information confirmation letter after logical AND operation in each group
The pdsch quantity of pdcch is received in breath and bundling window；
Mode two: 2 bit information represents all ack/nack information basis after the bundling of space in each group
The quantity of the continuous ack starting from initial position after the size sequence of dai value, wherein, does not have the ack/nack information bit of dai value
First position in group.
Feedback module 20 is further used for, and two groups of 4 bit informations ultimately generating are passed through pucch format1b and letter
The mode that road selects is fed back；Each group produces two pucch resources, two groups of four producing altogether needed for Channel assignment respectively
Pucch resource, wherein, each organizes corresponding two pucch resources according to first ack/ after resequencing in each group
Nack information and the corresponding pucch resource of second ack/nack information obtain.
The above, only presently preferred embodiments of the present invention, it is not intended to limit protection scope of the present invention.
Claims (10)
1. a kind of sending method of uplink acknowledgment message is it is characterised in that the method includes:
Index (dai) value according to downstream arrangements, will be corresponding for one of one-component carrier wave (cc) sub-frame of uplink multiple descending
Confirmation/non-acknowledgement (ack/nack) information of subframe is divided into two groups, and the ack/nack information in each group passes through binding
(bundling) 2 bit informations are produced respectively；
Two groups of 4 bit informations ultimately generating are passed through Physical Uplink Control Channel form 1b (pucch format1b) and channel
The mode selecting is fed back.
2. according to claim 1 uplink acknowledgment message sending method it is characterised in that described according to dai value, by one
The ack/nack information of the corresponding multiple descending sub frames of one of cc sub-frame of uplink is divided into two groups, particularly as follows:
Corresponding dai value is divided into one group for multiple descending sub frames of odd number, by corresponding dai value for even number multiple descending son
Frame is divided into another group.
3. according to claim 2 the sending method of uplink acknowledgment message it is characterised in that there is no dai value and needing anti-
The descending sub frame of feedback ack/nack is placed on dai value for the initial position in the packet of odd number.
4. according to claim 1,2 or 3 uplink acknowledgment message sending method it is characterised in that in each group produce 2
Bit information is produced by one of them of following two modes:
Described 2 bit informations represent in each group all ack/nack information after logical AND operation confirmation and
Physical Downlink Shared Channel (pdsch) quantity of Physical Downlink Control Channel (pdcch) is received in bundling window；
Described 2 bit informations represent in each group all ack/nack information after the bundling of space according to dai value
The quantity of the continuous ack starting from initial position after size sequence, wherein, does not have the ack/nack information of dai value to be located in group
First position.
5. according to claim 4 the sending method of uplink acknowledgment message it is characterised in that described two groups of 4 ultimately generating
Each group of bit information produces two pucch resources, two groups of four pucch moneys producing altogether needed for Channel assignment respectively
Source, wherein, each organize corresponding two pucch resources according in each group resequence after first ack/nack information and
The corresponding pucch resource of second ack/nack information obtains.
6. a kind of dispensing device of uplink acknowledgment message is it is characterised in that this device includes:
Grouping module, for according to dai value, by the ack/ of corresponding for one of cc sub-frame of uplink multiple descending sub frames
Nack information is divided into two groups, and the ack/nack information in each group produces 2 bit informations respectively by bundling；
Feedback module, for 4 bit informations that ultimately generate two groups by way of pucch format1b and Channel assignment
Feedback.
7. according to claim 6 the dispensing device of uplink acknowledgment message it is characterised in that described grouping module is used further
In, corresponding dai value is divided into one group for multiple descending sub frames of odd number, by corresponding dai value for even number multiple descending son
Frame is divided into another group.
8. according to claim 7 the dispensing device of uplink acknowledgment message it is characterised in that described grouping module is used further
In, will not have dai value and need feed back ack/nack descending sub frame be placed on dai value for the initial position in the packet of odd number.
9. according to claim 6,7 or 8 dispensing device of uplink acknowledgment message it is characterised in that described grouping module is entered
One step is used for, by 2 bit informations of one of them each group of generation of following two modes:
Described 2 bit informations represent in each group all ack/nack information after logical AND operation confirmation and
The pdsch quantity of pdcch is received in bundling window；
Described 2 bit informations represent in each group all ack/nack information after the bundling of space according to dai value
The quantity of the continuous ack starting from initial position after size sequence, wherein, does not have the ack/nack information of dai value to be located in group
First position.
10. according to claim 9 the dispensing device of uplink acknowledgment message it is characterised in that described two groups of 4 ultimately generating
Each group of bit information produces two pucch resources, two groups of four pucch moneys producing altogether needed for Channel assignment respectively
Source, wherein, each organize corresponding two pucch resources according in each group resequence after first ack/nack information and
The corresponding pucch resource of second ack/nack information obtains.
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| CN201110030065.7A CN102098145B (en) | 2011-01-27 | 2011-01-27 | Method and device for transmitting uplink acknowledgment message |
| PCT/CN2011/082878 WO2012100591A1 (en) | 2011-01-27 | 2011-11-24 | Method and device for sending uplink acknowledgement information |
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| CN201110030065.7A CN102098145B (en) | 2011-01-27 | 2011-01-27 | Method and device for transmitting uplink acknowledgment message |
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| CN102098145B (en) * | 2011-01-27 | 2017-02-01 | 中兴通讯股份有限公司 | Method and device for transmitting uplink acknowledgment message |
| CN102412883B (en) * | 2011-11-04 | 2017-07-07 | 中兴通讯股份有限公司 | The sending method and device of ascending control information |
| CN102394685B (en) * | 2011-11-04 | 2017-07-11 | 中兴通讯股份有限公司 | The sending method and system of multi-aerial system up control channel |
| CN103227699B (en) * | 2012-01-29 | 2016-08-10 | 上海贝尔股份有限公司 | For the method and apparatus configuring subframe mapping relations in the tdd mode of LTE system |
| CN103326833B (en) * | 2012-03-22 | 2018-01-26 | 中兴通讯股份有限公司 | A kind of determination method and apparatus of up-downgoing timing relationship |
| US9577803B2 (en) | 2012-05-11 | 2017-02-21 | Nokia Solutions And Networks Oy | ACK/NAK bit bundling in carrier aggregation scenarios |
| CN107710659A (en) * | 2015-05-12 | 2018-02-16 | 华为技术有限公司 | Feedback information transmission method, user equipment and the network equipment |
| CN107231217B (en) * | 2016-03-25 | 2020-08-07 | 电信科学技术研究院 | Transmission method and device of feedback information |
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| CN101588224A (en) * | 2009-05-19 | 2009-11-25 | 中兴通讯股份有限公司 | Method and system for transmitting correct/wrong reply message |
| CN101841398A (en) * | 2010-05-06 | 2010-09-22 | 中兴通讯股份有限公司 | Uplink control signaling transmission method and user equipment |
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