CN102148671B - The transmission method of ACK/NACK information and equipment - Google Patents
The transmission method of ACK/NACK information and equipment Download PDFInfo
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- CN102148671B CN102148671B CN201019114035.7A CN201019114035A CN102148671B CN 102148671 B CN102148671 B CN 102148671B CN 201019114035 A CN201019114035 A CN 201019114035A CN 102148671 B CN102148671 B CN 102148671B
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Abstract
The embodiment of the invention discloses transmission method and the equipment of a kind of ACK/NACK information, can be in the case of a descending carrier reserves ACK/NACK resource in multiple up-link carriers, terminal unit is enable to determine an ACK/NACK channel in multiple ACK/NACK resources, for transmitting ACK/NACK message, it is ensured that the normal realization of communication service.
Description
Technical field
The present invention relates to communication technical field, particularly to a kind of ACK/NACK information transmission method and
Equipment.
Background technology
For long-term evolution multi-carrier system, more broader system bandwidth than LTE system, such as supporting
100MHz, a kind of frequency spectrum directly distributing 100M bandwidth that is probably, as shown in Figure 1；One be probably by
Distribute to some spectrum aggregatings of existing system, gather into big bandwidth supply long-term evolution multi-carrier system
Using, now in system, up-downgoing carrier wave can be with asymmetric arrangement, i.e. user may take more than one
Carrier wave carries out downlink transfer, and more than one carrier wave carries out uplink, as shown in Figure 2.When each descending load
When Dynamic data exchange on ripple is compiled yard, user will be carried out respectively for the packet on each carrier wave
HARQ repeat requests (i.e. ACK/NACK information) is fed back.Therefore, user may be at a up son
Simultaneously to base station feedback multiple ACK/NACK information in frame.
In LTE Rel 8 system, when UE to transmit upstream data and ACK/NACK in same subframe simultaneously
During feedback information, then the ad hoc resources taken in PUSCH is transmitted by ACK/NACK information.For
FDD system, the most at most can feed back 2 bit informations, for TDD system, the most at most can feed back 4 ratios
Special information.
Lte-a system determines at present at most can support that 5 carrier waves are polymerized.Need in same subframe
Carry out multiple descending carriers and the descending sub frame of ACK/NACK feedback, hereinafter referred to as " feedback window
Mouthful ".For FDD system, descending carrier quantity N of the size L=UE polymerization of feedback window.For TDD
System, size L=N of feedback window × M, wherein N is the descending carrier number of UE polymerization, and M is corresponding same
One sub-frame of uplink carries out the descending sub frame quantity fed back, for different uplink-downlink configuration and sub-frame of uplink, M
Value different, i.e. the quantity of each hurdle K in table 1.
Table 1Downlink association set index K:{k0, k1... kM-1}for TDD
During realizing the embodiment of the present invention, it is found by the applicant that prior art at least there is problems in that
In LTE Rel 10 system, the method in Rel 8 system can be continued to use, use PUSCH to transmit simultaneously
Upstream data and ACK/NACK, or reuse the Rel 8 PUCCH format 2/2a/2b many bits of transmission
ACK/NACK, also can introduce new PUCCH structure simultaneously, to carry jumbo ascending control information,
Including CQI, ACK/NACK etc..When using method as defined above to feed back many bit ACK/nack messages,
How ACK/NACK from different carrier, different subframe and different code word carries out mapping the most not determining
Scheme.
Summary of the invention
The embodiment of the present invention provides transmission method and the equipment of a kind of ACK/NACK information, solves many bits
The multiplexing transmission problem of ACK/NACK.
For reaching above-mentioned purpose, on the one hand the embodiment of the present invention provides the biography of a kind of ACK/NACK information
Transmission method, including:
The transmission mode corresponding to descending carrier that terminal unit identification receives and the size of feedback window,
And the information transmitted by each code word in each described descending carrier generates ACK/NACK information；
When there is many codeword transmission in one or more descending carriers, described terminal unit is by described existence
In the descending carrier of many codeword transmission, different ACK/NACK information corresponding to code word merge；
Described terminal unit is by the ACK/NACK corresponding to each subframe in descending carrier each in feedback window
Information is sequentially generated feedback information sequence according to first frequency domain time domain again, and according to described feedback information sequence
Carry out the transmission of ACK/NACK information.
On the other hand, the embodiment of the present invention additionally provides a kind of terminal unit, including:
Identification module, for identifying the transmission mode corresponding to each descending carrier and feedback window received
Size；
Generation module, the information that each code word in the descending carrier by receiving is transmitted generates
ACK/NACK information；
Merge module, for there is multi-code in described identification module recognizes one or more descending carrier
During word transmission, will the described descending carrier that there is many codeword transmission be generated not by described generation module
Merge with the ACK/NACK information corresponding to code word；
Processing module, for by each in the feedback window after described generation module and described merging resume module
ACK/NACK information corresponding to each subframe being sequentially generated according to first frequency domain time domain again in descending carrier
Feedback information sequence, and the transmission of ACK/NACK information is carried out according to described feedback information sequence.
On the other hand, the embodiment of the present invention additionally provides the transmission method of a kind of ACK/NACK information, bag
Include:
The transmission mode corresponding to descending carrier that terminal unit identification receives and the size of feedback window,
And the information transmitted by each code word in each described descending carrier generates ACK/NACK information；
Described terminal unit by the ACK/NACK information corresponding to subframe each in each descending carrier according to elder generation
Frequency domain time domain again be sequentially generated feedback information sequence, and carry out according to described feedback information sequence
The transmission of ACK/NACK information.
On the other hand, the embodiment of the present invention additionally provides a kind of terminal unit, including:
Identification module, the transmission mode corresponding to descending carrier received for identification and feedback window
Size；
Generation module, is the descending load received for the transmission mode identified according to described identification module
The information that each code word in ripple is transmitted generates ACK/NACK information；
Processing module, is used for the ACK/NACK information corresponding to subframe each in each descending carrier according to elder generation
Frequency domain time domain again be sequentially generated feedback information sequence, and carry out according to described feedback information sequence
The transmission of ACK/NACK information.
Compared with prior art, the embodiment of the present invention has the advantage that
By applying the technical scheme of the embodiment of the present invention, can be in lte-a system, it is achieved many bits
The multiplexing feedback of ACK/NACK information, and, the method can be simultaneously suitable for FDD system and TDD
System, solves under the scene of many bit ACK in prior art/nack message transmission, carries from difference
The problem how ACK/NACK of ripple, different subframe and different code word carries out mapping.
Accompanying drawing explanation
Fig. 1 is single-frequency spectral system schematic in prior art；
Fig. 2 is prior art intermediate frequency spectrum paradigmatic system schematic diagram；
Fig. 3 is the flow process signal of the transmission method of a kind of ACK/NACK information that the embodiment of the present invention proposes
Figure；
Fig. 4 a is the transmission of a kind of ACK/NACK information in the FDD system that the embodiment of the present invention proposes
The schematic diagram of state；
Fig. 4 b is the transmission of a kind of ACK/NACK information in the TDD system that the embodiment of the present invention proposes
The schematic diagram of state；
Fig. 5 is that in a kind of TDD system that the embodiment of the present invention proposes, feedback information bits number is subject in limited time
Plant the schematic diagram of the transmission state of ACK/NACK information；
Fig. 6 is the structural representation of a kind of terminal unit that the embodiment of the present invention proposes；
Fig. 7 is the flow process signal of the transmission method of a kind of ACK/NACK information that the embodiment of the present invention proposes
Figure；
Fig. 8 a is the transmission of a kind of ACK/NACK information in the FDD system that the embodiment of the present invention proposes
The schematic diagram of state；
Fig. 8 b is the transmission of a kind of ACK/NACK information in the TDD system that the embodiment of the present invention proposes
The schematic diagram of state；
Fig. 9 is that in a kind of TDD system that the embodiment of the present invention proposes, feedback information bits number is subject in limited time
Plant the schematic diagram of the transmission state of ACK/NACK information；
Figure 10 is the structural representation of a kind of terminal unit that the embodiment of the present invention proposes.
Detailed description of the invention
As stated in the Background Art, in lte-a system, base station has been polymerized multiple descending carrier and has been sent to user
During data, UE will feed back multiple ACK/NACK information in a sub-frame of uplink.
In lte-a system, the method in LTE Rel 8 system can be continued to use, use PUSCH to transmit simultaneously
Upstream data and ACK/NACK, or reuse the Rel 8 PUCCH format 2/2a/2b many bits of transmission
ACK/NACK, also can introduce new PUCCH structure simultaneously, to carry jumbo ascending control information,
Including CQI, ACK/NACK etc..But, use above method to feed back many bit ACK/nack messages
Time, how the ACK/NACK from different carrier, different subframe and different code word carries out mapping also does not has
The scheme determined.
In order to solve this problem, the embodiment of the present invention gives a kind of many bits of multiplexing transmission
ACK/NACK scheme.
In the technical scheme that the embodiment of the present invention is proposed, when carrying out many bit ACK/NACK feedback,
Multiple ACK/NACK are cascaded into a feedback information sequence according to default strategy, and to feedback letter
After breath sequence carries out chnnel coding process, it is transmitted.
As it is shown on figure 3, the transmission method of a kind of ACK/NACK information proposed for the embodiment of the present invention
Schematic flow sheet, the method specifically includes following steps:
The transmission mode corresponding to descending carrier that step S301, terminal unit identification receive and feedback window
The size of mouth, and the information generation ACK/NACK information transmitted by each code word in each descending carrier.
Wherein, when receiving one or more code word in a terminal unit subframe in descending carrier,
Terminal unit will be that one or more code word generates ACK or nack message according to decoding result；
When not receiving any codeword information in a terminal unit subframe in descending carrier, terminal
Equipment is that subframe generates nack message.
Step S302, when there is many codeword transmission in one or more descending carriers, terminal unit will be deposited
In the descending carrier of many codeword transmission, different ACK/NACK information corresponding to code word merge.
Step S303, terminal unit are by corresponding to each subframe in descending carrier each in feedback window
ACK/NACK information is sequentially generated feedback information sequence according to first frequency domain time domain again, and according to feedback letter
Breath sequence carries out the transmission of ACK/NACK information.
Wherein it is desired to it is further noted that, if the feedback information bits number of current system is limited, side
Method also includes:
The ACK/NACK information corresponding to each subframe that terminal unit will be transmitted in same descending carrier
Merge；
ACK/NACK information corresponding to each descending carrier is generated feedback information sequence by terminal unit, and
The transmission of ACK/NACK information is carried out according to feedback information sequence.
For said method, if feedback information bits number K≤4 after Ji Lian, then use Rel 8 TDD system
In system, the method for regulation carries out chnnel coding；If 4 ＜ K≤11, then use (32, O) in Rel 8 system
Block code carries out chnnel coding；If K ＞ 11, then the convolutional code in R8 is used to carry out chnnel coding.
Owing to base station end knows for sure no data scheduling in which resource, which i.e. may know that in feedback sequence
Feedback information corresponding on position is NACK, therefore when receiving, demodulate the feedback information of UE, and can
Corresponding information to be decoded as Given information, thus the code rate of reality can be reduced, improve
The reliability of feedback information.
Compared with prior art, the embodiment of the present invention has the advantage that
By applying the technical scheme of the embodiment of the present invention, can be in lte-a system, it is achieved many bits
The multiplexing feedback of ACK/NACK information, and, the method can be simultaneously suitable for FDD system and TDD
System, solves under the scene of many bit ACK in prior art/nack message transmission, carries from difference
The problem how ACK/NACK of ripple, different subframe and different code word carries out mapping.
Below, in conjunction with concrete application scenarios, the technical scheme being proposed the embodiment of the present invention is said
Bright.
In the preceding solution that the embodiment of the present invention is proposed, mainly according to the size of feedback window
Determine the quantity of bit corresponding to ACK/NACK information to be feedback.It is described as follows:
First, be to the ACK/NACK information corresponding to the different code words using same running time-frequency resource to transmit
Merge, i.e. the ACK/NACK information of different code words is carried out " logic add " so that one descending
This feedback bits the most corresponding of a subframe in carrier wave, if no data bag transmission in corresponding resource, then
Feedback NACK.
No matter now base station several packets of scheduled transmission in feedback window, always UE feeds back L bit
Information, as shown in figures 4 a and 4b.
Wherein, that Fig. 4 a represents is the technical side applying the embodiment of the present invention to be proposed in FDD system
The schematic diagram of case, the embodiment of the present invention of application in a tdd system that Fig. 4 b then represents is proposed
The schematic diagram of technical scheme.
Then, by L bit information according to first frequency domain, then the concatenated in order of time domain is got up, and i.e. obtains treating instead
Feedforward information sequence.
It is further noted that for TDD system, if feedback information bits number is limited, then can be first
ACK/NACK information in subframes different on same carrier wave is merged, if certain carrier wave is in feedback window
In Kou, all no data bag transmission, then feed back NACK.No matter now base station scheduled transmission in feedback window
Several packets, UE always feeds back N-bit information, as it is shown in figure 5, each code word in each carrier wave
Corresponding ACK/NACK information is all merged together.
Compared with prior art, the embodiment of the present invention has the advantage that
By applying the technical scheme of the embodiment of the present invention, can be in lte-a system, it is achieved many bits
The multiplexing feedback of ACK/NACK information, and, the method can be simultaneously suitable for FDD system and TDD
System, solves under the scene of many bit ACK in prior art/nack message transmission, carries from difference
The problem how ACK/NACK of ripple, different subframe and different code word carries out mapping.
In order to realize the technical scheme of the embodiment of the present invention, the embodiment of the present invention additionally provides a kind of terminal and sets
Standby, its structural representation as shown in Figure 6, specifically includes:
Identification module 61, for identifying the transmission mode corresponding to each descending carrier and feedback window received
The size of mouth.
Generation module 62, the information that each code word in the descending carrier by receiving is transmitted generates
ACK/NACK information.
When receiving one or more codeword information in a terminal unit subframe in descending carrier,
Generation module 62 is that one or more code word generates ACK information；
When receiving any codeword information on terminal unit not a subframe in descending carrier, raw
Become module 62 will generate a nack message for this subframe.
Merge module 63, for there is multi-code in identification module 61 recognizes one or more descending carrier
During word transmission, the different code words generated in the descending carrier of many codeword transmission will be there are by generation module 62
Corresponding ACK/NACK information merges.
Processing module 64, each in the feedback window after generation module 62 and merging module 63 are processed
ACK/NACK information corresponding to each subframe being sequentially generated according to first frequency domain time domain again in descending carrier
Feedback information sequence, and the transmission of ACK/NACK information is carried out according to feedback information sequence.
Wherein, when identification module 61 recognizes the feedback information bits number of current system by limited time,
Merge module 63, be additionally operable to corresponding to each subframe of will being transmitted in same descending carrier
ACK/NACK information merges；
Processing module 64, is additionally operable to merge corresponding to each descending carrier after module 63 merges
ACK/NACK information generates feedback information sequence, and carries out ACK/NACK according to feedback information sequence
The transmission of information.
Compared with prior art, the embodiment of the present invention has the advantage that
By applying the technical scheme of the embodiment of the present invention, can be in lte-a system, it is achieved many bits
The multiplexing feedback of ACK/NACK information, and, the method can be simultaneously suitable for FDD system and TDD
System, solves under the scene of many bit ACK in prior art/nack message transmission, carries from difference
The problem how ACK/NACK of ripple, different subframe and different code word carries out mapping.
On the other hand, in order to realize the goal of the invention of the present invention, the embodiment of the present invention also proposed another kind
The transmission method of ACK/NACK information, this method is not only relevant with the size of feedback window, also with biography
Defeated pattern is relevant, and the schematic flow sheet of the method is as it is shown in fig. 7, specifically include following steps:
The transmission mode corresponding to descending carrier that step S701, terminal unit identification receive and feedback window
The size of mouth, and the information generation ACK/NACK information transmitted by each code word in each descending carrier.
Wherein, when receiving one or more code word letter in a terminal unit subframe in descending carrier
During breath, terminal unit is that one or more code word generates ACK or nack message；
When only receiving in a terminal unit subframe in the descending carrier that transmission mode is many codeword transmission
A codeword information time, terminal unit be other code word generate nack message.
When not receiving in a terminal unit subframe in the descending carrier that transmission mode is many codeword transmission
During any codeword information arrived, terminal unit is that multiple code word generates nack message.
When not receiving in a terminal unit subframe in the descending carrier that transmission mode is single codeword transmission
During any codeword information arrived, terminal unit is that code word generates nack message.
Step S702, terminal unit are by the ACK/NACK information corresponding to subframe each in each descending carrier
It is sequentially generated feedback information sequence according to first frequency domain time domain again, and carries out according to feedback information sequence
The transmission of ACK/NACK information.
Wherein, if the feedback information bits number of current system is limited, method also includes:
Terminal unit is by right for the code word institute of corresponding same numbering in each subframe included in same descending carrier
The ACK/NACK information answered merges；
ACK/NACK information corresponding to each descending carrier is generated feedback information sequence by terminal unit, and
The transmission of ACK/NACK information is carried out according to feedback information sequence.
For said method, if feedback information bits number K≤4 after Ji Lian, then use Rel 8 TDD
In system, the method for regulation carries out chnnel coding；If 4 ＜ K≤11, then use in Rel 8 system (32,
O) block code carries out chnnel coding；If K ＞ 11, then the convolutional code in R8 is used to carry out chnnel coding.
Owing to base station end knows for sure no data scheduling in which resource, which i.e. may know that in feedback sequence
Feedback information corresponding on position is NACK, therefore when receiving, demodulate the feedback information of UE, and can
Corresponding information to be decoded as Given information, thus the code rate of reality can be reduced, improve
The reliability of feedback information.
Compared with prior art, the embodiment of the present invention has the advantage that
By applying the technical scheme of the embodiment of the present invention, can be in lte-a system, it is achieved many bits
The multiplexing feedback of ACK/NACK information, and, the method can be simultaneously suitable for FDD system and TDD
System, solves under the scene of many bit ACK in prior art/nack message transmission, carries from difference
The problem how ACK/NACK of ripple, different subframe and different code word carries out mapping.
Below, in conjunction with concrete application scenarios, the technical scheme being proposed the embodiment of the present invention is said
Bright.
In the preceding solution that the embodiment of the present invention is proposed, not only according to the size of feedback window,
The quantity of bit corresponding to ACK/NACK information to be feedback is determined always according to transmission mode.Illustrate
As follows:
First, according to the transmission mode of base station configuration, determine that each subframe institute in each descending carrier is right
The ACK/NACK bit number answered.
Carry out on the carrier wave of many code word space multiplexing transmission in configuration, arbitrary resource always corresponding feedback 2 ratio
Special ACK/NACK.If only transmitting a code word on this carrier wave of some moment, then another code word
Corresponding feedback information is set to NACK.Carry out on the carrier wave of single codeword transmission in configuration, arbitrary resource
Always corresponding feedback 1 bit ACK/NACK.If no data bag transmission on the running time-frequency resource of correspondence, then should
All code words corresponding in resource all feed back NACK, as figures 8 a and 8 b show.
Wherein, that Fig. 8 a represents is the technical side applying the embodiment of the present invention to be proposed in FDD system
The schematic diagram of case, the embodiment of the present invention of application in a tdd system that Fig. 8 b then represents is proposed
The schematic diagram of technical scheme.
Further, as shown in Figure 8 b, descending carrier 1 and carrier wave 3 are configured to many codeword transmission, therefore
Always correspond to 2 bit feedback information, only having in code word 1 on carrier wave 3 in subframe n1 has data to transmit,
Then the feedback information b11 of code word 2 correspondence is set to NACK.
Then, by all of feedback information according to first frequency domain, then the concatenated in order of time domain is got up, and i.e. obtains
Information sequence to be feedback.
It is further noted that for TDD system, if feedback information bits number is limited, then can be first
ACK/NACK information in subframes different on same carrier wave is merged, merges and carry out based on code word,
Will the ACK/NACK information of corresponding same codeword number merge.If the same code on a certain carrier wave
Word transmits at feedback window all no data bags, then feed back NACK, as shown in Figure 9.
Compared with prior art, the embodiment of the present invention has the advantage that
By applying the technical scheme of the embodiment of the present invention, can be in lte-a system, it is achieved many bits
The multiplexing feedback of ACK/NACK information, and, the method can be simultaneously suitable for FDD system and TDD
System, solves under the scene of many bit ACK in prior art/nack message transmission, carries from difference
The problem how ACK/NACK of ripple, different subframe and different code word carries out mapping.
In order to realize the technical scheme of the embodiment of the present invention, the embodiment of the present invention additionally provides a kind of terminal and sets
Standby, its structural representation as shown in Figure 10, specifically includes:
Identification module 101, for identifying the transmission mode corresponding to descending carrier and feedback window received
Size.
Generation module 102, the transmission mode for being identified according to identification module 101 is receive descending
The information that each code word in carrier wave is transmitted generates ACK/NACK information.
Wherein, a terminal unit subframe in descending carrier receives one or more codeword information
Time, generation module 102 is that one or more code word generates ACK or nack message.
When only receiving in a terminal unit subframe in the descending carrier that transmission mode is many codeword transmission
A codeword information time, generation module 102 be other code word generate nack message.
When not receiving in a terminal unit subframe in the descending carrier that transmission mode is many codeword transmission
During any codeword information arrived, generation module 102 is that multiple code word generates nack message.
When not receiving in a terminal unit subframe in the descending carrier that transmission mode is single codeword transmission
During any codeword information arrived, generation module 102 generates nack message for code word.
Processing module 103, in each descending carrier generated by generation module 102 corresponding to each subframe
ACK/NACK information be sequentially generated feedback information sequence according to first frequency domain time domain again, and according to feedback
Information sequence carries out the transmission of ACK/NACK information.
Wherein, when identification module recognizes the feedback information bits number of current system by limited time, terminal unit
Also include merge module 104:
For by corresponding to the code word of corresponding same numbering in each subframe included in same descending carrier
ACK/NACK information merges according to the transmission mode of the descending carrier that identification module is identified；
Processing module 103, is additionally operable to merge corresponding to each descending carrier after module 104 merges
ACK/NACK information generates feedback information sequence, and carries out ACK/NACK according to feedback information sequence
The transmission of information.
Compared with prior art, the embodiment of the present invention has the advantage that
By applying the technical scheme of the embodiment of the present invention, can be in lte-a system, it is achieved many bits
The multiplexing feedback of ACK/NACK information, and, the method can be simultaneously suitable for FDD system and TDD
System, solves under the scene of many bit ACK in prior art/nack message transmission, carries from difference
The problem how ACK/NACK of ripple, different subframe and different code word carries out mapping.
Through the above description of the embodiments, those skilled in the art is it can be understood that arrive this
Bright embodiment can be realized by hardware, it is also possible to add the mode of the general hardware platform of necessity by software
Realize.Based on such understanding, the technical scheme of the embodiment of the present invention can be with the form of software product
Embody, this software product can be stored in a non-volatile memory medium (can be CD-ROM,
USB flash disk, portable hard drive etc.) in, including some instructions with so that a computer equipment (can be individual
People's computer, server, or the network equipment etc.) each is implemented described in scene to perform the embodiment of the present invention
Method.
It will be appreciated by those skilled in the art that accompanying drawing is a schematic diagram being preferable to carry out scene, in accompanying drawing
Module or flow process not necessarily implement necessary to the embodiment of the present invention.
It will be appreciated by those skilled in the art that the module in the device implemented in scene can be according to implementing scene
Describe and carry out being distributed in the device implementing scene, it is also possible to carry out respective change and be disposed other than this enforcement
In one or more devices of scene.The module of above-mentioned enforcement scene can merge into a module, it is possible to
To be further split into multiple submodule.
The invention described above embodiment sequence number, just to describing, does not represent the quality implementing scene.
The several scenes that are embodied as being only the embodiment of the present invention disclosed above, but, the present invention implements
Example is not limited to this, and the changes that any person skilled in the art can think of all should fall into the present invention and implement
The business of example limits scope.
Claims (10)
1. the transmission method of an ACK/NACK information, it is characterised in that including:
The transmission mode corresponding to descending carrier that terminal unit identification receives and the size of feedback window,
And the information transmitted by each code word in each described descending carrier generates ACK/NACK information；
When there is many codeword transmission in one or more descending carriers, described terminal unit is by described existence
In the descending carrier of many codeword transmission, different ACK/NACK information corresponding to code word merge；
Described terminal unit is by the ACK/NACK corresponding to each subframe in descending carrier each in feedback window
Information generates feedback information sequence according to first carrier wave order ordering of sub-frames again, and according to described feedback information sequence
Row carry out the transmission of ACK/NACK information.
2. the method for claim 1, it is characterised in that if the feedback information ratio of current system
Special number is limited, and described method also includes:
The ACK/NACK corresponding to each subframe that described terminal unit will be transmitted in same descending carrier
Information merges；
ACK/NACK information corresponding to each descending carrier is generated feedback information sequence by described terminal unit
Row, and the transmission of ACK/NACK information is carried out according to described feedback information sequence.
3. the method for claim 1, it is characterised in that described terminal unit is to receive down
The information that each code word in row carrier wave is transmitted generates ACK/NACK information, specifically includes:
When receiving one or more code word in a described terminal unit subframe in descending carrier,
Described terminal unit will be that the one or more code word generates ACK or NACK letter according to decoding result
Breath；
When not receiving any codeword information in a described terminal unit subframe in descending carrier,
Described terminal unit is that described subframe generates nack message.
4. a terminal unit, it is characterised in that including:
Identification module, for identifying the transmission mode corresponding to each descending carrier and feedback window received
Size；
Generation module, the information that each code word in the descending carrier by receiving is transmitted generates
ACK/NACK information；
Merge module, for there is multi-code in described identification module recognizes one or more descending carrier
During word transmission, will the described descending carrier that there is many codeword transmission be generated not by described generation module
Merge with the ACK/NACK information corresponding to code word；
Processing module, for by each in the feedback window after described generation module and described merging resume module
In descending carrier, the ACK/NACK information corresponding to each subframe is raw according to first carrier wave order ordering of sub-frames again
Become feedback information sequence, and carry out the transmission of ACK/NACK information according to described feedback information sequence.
5. terminal unit as claimed in claim 4, it is characterised in that when described identification module recognizes
The feedback information bits number of current system is subject in limited time,
Described merging module, is additionally operable to corresponding to each subframe of will being transmitted in same descending carrier
ACK/NACK information merges；
Described processing module, is additionally operable to corresponding to each descending carrier after described merging module being merged
ACK/NACK information generates feedback information sequence, and carries out according to described feedback information sequence
The transmission of ACK/NACK information.
6. terminal unit as claimed in claim 4, it is characterised in that described generation module is for for connecing
The information that each code word in the descending carrier received is transmitted generates ACK/NACK information, particularly as follows:
When receiving one or more codeword information in a described terminal unit subframe in descending carrier
Time, described generation module is that the one or more code word generates ACK information；
When receiving any codeword information on described terminal unit not a subframe in descending carrier
Time, described generation module is that described subframe will generate a nack message.
7. the transmission method of an ACK/NACK information, it is characterised in that including:
The transmission mode corresponding to descending carrier that terminal unit identification receives and the size of feedback window,
And the information transmitted by each code word in each described descending carrier generates ACK/NACK information；
Described terminal unit by the ACK/NACK information corresponding to subframe each in each descending carrier according to elder generation
Carrier wave order ordering of sub-frames again generates feedback information sequence, and carries out according to described feedback information sequence
The transmission of ACK/NACK information；
Wherein, if the feedback information bits number of current system is limited, described method also includes:
Described terminal unit is by the code word of corresponding same numbering in each subframe included in same descending carrier
Corresponding ACK/NACK information merges；
ACK/NACK information corresponding to each descending carrier is generated feedback information sequence by described terminal unit
Row, and the transmission of ACK/NACK information is carried out according to described feedback information sequence.
8. method as claimed in claim 7, it is characterised in that described terminal unit is to receive down
The information that each code word in row carrier wave is transmitted generates ACK/NACK information, specifically includes:
When receiving one or more codeword information in a described terminal unit subframe in descending carrier
Time, described terminal unit is that the one or more code word generates ACK or nack message；
When in a described terminal unit subframe in the descending carrier that transmission mode is many codeword transmission
During the codeword information received, described terminal unit is that other code word generates nack message；
When not having in a described terminal unit subframe in the descending carrier that transmission mode is many codeword transmission
When having any codeword information received, described terminal unit is that the plurality of code word generates nack message；
When not having in a described terminal unit subframe in the descending carrier that transmission mode is single codeword transmission
When having any codeword information received, described terminal unit is that described code word generates nack message.
9. a terminal unit, it is characterised in that including:
Identification module, the transmission mode corresponding to descending carrier received for identification and feedback window
Size；
Generation module, is the descending load received for the transmission mode identified according to described identification module
The information that each code word in ripple is transmitted generates ACK/NACK information；
Processing module, is used for the ACK/NACK information corresponding to subframe each in each descending carrier according to elder generation
Carrier wave order ordering of sub-frames again generates feedback information sequence, and carries out according to described feedback information sequence
The transmission of ACK/NACK information；
Wherein, when described identification module recognizes the feedback information bits number of current system by limited time, described
Terminal unit, also include merge module:
For by corresponding to the code word of corresponding same numbering in each subframe included in same descending carrier
ACK/NACK information is closed according to the transmission mode of the described descending carrier that described identification module is identified
And；
Described processing module, is additionally operable to corresponding to each descending carrier after described merging module being merged
ACK/NACK information generates feedback information sequence, and carries out according to described feedback information sequence
The transmission of ACK/NACK information.
10. terminal unit as claimed in claim 9, it is characterised in that described generation module be used for be
The information that each code word in the descending carrier received is transmitted generates ACK/NACK information, particularly as follows:
When receiving one or more codeword information in a described terminal unit subframe in descending carrier
Time, described generation module is that the one or more code word generates ACK or nack message；
When in a described terminal unit subframe in the descending carrier that transmission mode is many codeword transmission
During the codeword information received, described generation module is that other code word generates nack message；
When not having in a described terminal unit subframe in the descending carrier that transmission mode is many codeword transmission
When having any codeword information received, described generation module is that the plurality of code word generates nack message；
When not having in a described terminal unit subframe in the descending carrier that transmission mode is single codeword transmission
When having any codeword information received, described generation module is that described code word generates nack message.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201019114035.7A CN102148671B (en) | 2010-02-05 | The transmission method of ACK/NACK information and equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201019114035.7A CN102148671B (en) | 2010-02-05 | The transmission method of ACK/NACK information and equipment |
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| CN102148671A CN102148671A (en) | 2011-08-10 |
| CN102148671B true CN102148671B (en) | 2016-12-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009023730A2 (en) * | 2007-08-13 | 2009-02-19 | Qualcomm Incorporated | Coding and multiplexing of control information in a wireless communication system |
| CN101478383A (en) * | 2009-02-03 | 2009-07-08 | 中兴通讯股份有限公司 | Feedback method for downlink sub-frame response information in long-term evolution system |
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009023730A2 (en) * | 2007-08-13 | 2009-02-19 | Qualcomm Incorporated | Coding and multiplexing of control information in a wireless communication system |
| CN101478383A (en) * | 2009-02-03 | 2009-07-08 | 中兴通讯股份有限公司 | Feedback method for downlink sub-frame response information in long-term evolution system |
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