CN102710376A - Method and device for transmitting uplink control information - Google Patents

Method and device for transmitting uplink control information Download PDF

Info

Publication number
CN102710376A
CN102710376A CN2012101846507A CN201210184650A CN102710376A CN 102710376 A CN102710376 A CN 102710376A CN 2012101846507 A CN2012101846507 A CN 2012101846507A CN 201210184650 A CN201210184650 A CN 201210184650A CN 102710376 A CN102710376 A CN 102710376A
Authority
CN
China
Prior art keywords
uci
code word
grant
code
control information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2012101846507A
Other languages
Chinese (zh)
Other versions
CN102710376B (en
Inventor
吕永霞
成艳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to CN201210184650.7A priority Critical patent/CN102710376B/en
Publication of CN102710376A publication Critical patent/CN102710376A/en
Application granted granted Critical
Publication of CN102710376B publication Critical patent/CN102710376B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a method and a device for transmitting uplink control information. The method comprises the following steps: when uplink control information UCI is transmitted on a physical uplink shared channel PUSCH of multiple digits, determining the digit corresponding to the UCI in the multiple digits according to a predetermined rule; and mapping the UCI to the corresponding digit to transmit. The device comprises a determining module and a transmitting module. According to the invention, the problem of transmitting the UCI on the PUSCH of the multiple digits is solved, and the method and the device are easily realized on the basis of LTE R8 without additionally adding many standardized jobs.

Description

The method and apparatus of transmitting uplink control information
Technical field
The present invention relates to wireless communication field, particularly a kind of method and apparatus of transmitting uplink control information refers in particular to the method and apparatus of transmitting uplink control information on the Physical Uplink Shared Channel of a plurality of code words.
Background technology
At LTE (Long Term Evolution; Long Term Evolution) in the R8 wireless communication system; In order to support dynamic dispatching, descending MIMO (Multiple Input Multiple Output, multiple-input and multiple-output) transmission and mix technology such as re-transmission automatically that PUCCH (Physical Uplink Control Channel need be passed through in the terminal; Physical Uplink Control Channel) and PUSCH (Physical Uplink Share Channel; Physical Uplink Shared Channel) to the multiple UCI of base station feedback (Uplink Control Information, ascending control information), for example channel quality indication, encoder matrix indication and being used to mixes the affirmation information of automatic re-transmission etc.Particularly; UCI through the PUSCH feedback comprises: CQI (Channel Quality Information; Channel quality information), RI (Rank Indication; Order is indicated) and HARQ-ACK (Hybrid Automatic Repeat request-Acknowledgment mixes automatic repeat requests positive acknowledgement information).Wherein, CQI comprises channel quality indication and encoder matrix indication information when the MIMO transmission mode is closed loop space division multiplexing and MU-MIMO (multiuser MIMO), be channel quality indication (CQI) information under other transmission modes.
PUSCH only supports a code word (Codeword) in the LTE R8 version in a TTI (Transmission Time Interval, Transmission Time Interval), the bit after the corresponding transmission block chnnel coding of code word.When UCI and data need be in same TTI be sent through PUSCH, concrete performing step was following:
1) number that various UCI take modulation symbol is calculated at the terminal;
2) bit number after the various UCI chnnel codings is calculated at the terminal;
3) the chnnel coding relevant treatment is carried out to data, CQI, RI and HARQ-ACK respectively in the terminal; CQI behind data after will encoding then and the coding carries out multiplexing, at last this bit and the coded-bit of RI and coded-bit of HARQ-ACK after multiplexing is carried out channel interleaving;
4) bit of terminal after with channel interleaving carries out sending to the base station after a series of processing such as scrambling, modulation, DFT (Discrete Fourier Transform, DFT) and resource mapping;
5) handle accordingly after receive the base station, and, isolate CQI, RI and HARQ-ACK information with transfer of data through separating channel interleaving and demultiplexing;
6) chnnel coding is separated in the base station, judges whether the UCI transmission is correct, if correctly then can obtain the original information bits of CQI, RI and the HARQ-ACK of transmission.
Said method is the method for the PUSCH time transmission UCI that in a TTI, supports a code word; And technical development; PUSCH can support a plurality of code words in a TTI; Such as when adopting band time domain layer displacement (Layer Shifting) or during not with the space multiplexing technique of time domain layer displacement, PUSCH maximum in a TTI can be supported two code words.Therefore need the method for research transmission UCI when PUSCH can support a plurality of code word in a TTI.How UCI transmits on the PUSCH of a plurality of code words is a new problem, does not also have relevant prior art at present.
Summary of the invention
In order to solve the problem of transmission UCI on the PUSCH of a plurality of code words, the embodiment of the invention provides a kind of method and apparatus of transmitting uplink control information.Said technical scheme is following:
A kind of method of transmitting uplink control information comprises:
When on the Physical Uplink Shared Channel PUSCH in a plurality of code words during transmitting uplink control information UCI,, in a plurality of code words, confirm the code word that UCI is corresponding according to the rule that is provided with in advance;
UCI is mapped on the corresponding code word transmits.
A kind of device of transmitting uplink control information comprises:
Determination module is used for according to the rule that is provided with in advance, in a plurality of code words, confirming the code word that UCI is corresponding when on the Physical Uplink Shared Channel PUSCH in a plurality of code words during transmitting uplink control information UCI;
Transport module is used for UCI is mapped on the corresponding code word and transmits.
How the technical scheme that the embodiment of the invention provides transmits the problem of UCI, and can more easily realize this scheme based on LTE R8 on the PUSCH of a plurality of code words if having solved, do not need the too many standardized work of extra increase.
Description of drawings
Fig. 1 is the method flow diagram of the transmitting uplink control information that provides of the embodiment of the invention;
Fig. 2 is the method flow diagram of the transmitting uplink control information that provides of the embodiment of the invention 1;
Fig. 3 be the embodiment of the invention 1 provide UCI is divided after the flow chart of the processing procedure of each part after being mapped to transmission on each self-corresponding code word and base station respectively and receiving;
Fig. 4 is that data and UCI chnnel coding correlation procedure flow chart are carried out in the terminal that the embodiment of the invention 1 provides;
Fig. 5 is the position view of data and UCI in the TTI after the channel interleaving that provides of the embodiment of the invention 1;
Fig. 6 is the method flow diagram of the transmitting uplink control information that provides of the embodiment of the invention 2;
Fig. 7 is the schematic flow sheet that on two code words, transmits a UCI that the embodiment of the invention 2 provides;
Fig. 8 is the method flow diagram of the transmitting uplink control information that provides of the embodiment of the invention 3;
Fig. 9 is the method flow diagram of the transmitting uplink control information that provides of the embodiment of the invention 4;
Figure 10 is a kind of structure chart of device of the transmitting uplink control information that provides of the embodiment of the invention 5;
Figure 11 is the another kind of structure chart of the device of the transmitting uplink control information that provides of the embodiment of the invention 5.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing that embodiment of the present invention is done to describe in detail further below.
Referring to Fig. 1, the embodiment of the invention provides a kind of method of transmitting uplink control information, comprising:
101:,, in a plurality of code words, confirm the code word that UCI is corresponding according to the rule that is provided with in advance when on the Physical Uplink Shared Channel PUSCH in a plurality of code words during transmitting uplink control information UCI;
102: UCI is mapped on the corresponding code word transmits.
How said method has solved the problem of transmission UCI on a plurality of code words, can support LTE R8 version, LTE R9 version and highest version more, has filled up the blank of this field correlation technique.When being applied to LTE R8 version, owing to have only a code word, therefore, directly this code word is confirmed as the code word corresponding with UCI, UCI is mapped on this code word transmits.
UCI in the embodiment of the invention can be the UCI of any kind, includes but not limited to: CQI, RI, HARQ-ACK or channel information or the like, the embodiment of the invention are not done concrete qualification to this.UCI waiting for transmission can be one in the embodiment of the invention, also can be for a plurality of.A UCI is meant the control information corresponding to a control information coding code block.As UCI waiting for transmission when being a plurality of, the type of any two UCI among these a plurality of UCI can be identical, also can be different, as: 3 UCI are arranged, be CQI; Perhaps, one is CQI, and one is RI, and one is HARQ-ACK.
The rule that is provided with in advance in the embodiment of the invention has multiple; Include but not limited to: a UCI is mapped on the code word and transmits; UCI is divided into a plurality of parts and is mapped to respectively on a plurality of code words and transmits; And a plurality of UCI are mapped on the code word and transmit or the like, and the embodiment of the invention is not done concrete qualification to this.Specify with four embodiment respectively below, the rule that is provided with in advance in the embodiment of the invention can be among following 4 embodiment any.
Embodiment 1
Referring to Fig. 2, present embodiment provides a kind of method of transmitting uplink control information, and a UCI is divided into after a plurality of parts respectively with a plurality of codeword transmission, specifically comprises:
201: when transmitting UCI on the PUSCH in a plurality of code words, for a UCI waiting for transmission, this UCI is divided into a plurality of parts, the number of these a plurality of parts equals the number of these a plurality of code words, and a code word in the corresponding a plurality of code words of each part.
For example, code word has two: code word 1 and code word 2, a UCI is divided into two parts, and UCI1 and UCI2, wherein, the corresponding code word 1 of UCI1, the corresponding code word 2 of UCI2.
Wherein, a UCI is divided into the method for a plurality of parts, the embodiment of the invention is not done concrete qualification to this.Any two parts in a plurality of parts that are divided into, its length can be identical, also can be different.
202: each part after UCI divided is mapped to respectively on each self-corresponding code word to be transmitted.
In the present embodiment, the handling process of each part after UCI divides is all identical, and referring to Fig. 3, above-mentioned 202 process is specific as follows:
301: each part after respectively UCI being divided is calculated UCI takies modulation symbol when forward part number Q ' as working as forward part.
Particularly, if UCI then adopts following formula (1) to calculate when forward part is HARQ-ACK or RI, be CQI if UCI works as forward part, the formula (2) below then adopting calculates.
Figure BDA00001733988500041
Figure BDA00001733988500042
Wherein, O is the bit number that UCI works as forward part raw information;
Figure BDA00001733988500043
The transmission bandwidth of PUSCH when just passing for same transmission block; The number of shared SC-FDMA when just passing for same transmission block;
Figure BDA00001733988500045
For UCI works as the skew of forward part with respect to the MCS (Modulation and Coding Scheme, Modulation and Coding Scheme) of data; Transmission bandwidth for PUSCH; K rBe the information bit and the CRC check bit number sum of r code block; C is the number of code block; Number for the shared SC-FDMA of same transmission block; Q RIThe number of the modulation symbol that takies for RI; L is the bit number of CRC check position, and the value of L was 0 when CQI carried out the RM coding, and the value of L is 8 when carrying out convolutional encoding; Q mBe order of modulation; When UCI is HARQ-ACK,
Figure BDA00001733988500048
When UCI is RI, β Offset PUSCH = β Offset RI ; When UCI is CQI, β Offset PUSCH = β Offset CQI .
302: calculate the bit number after the current local channel of UCI is encoded.
Particularly, can adopt formula (3) to calculate:
Q＝Q m·Q′ (3)
Wherein, Q is the bit number behind the current local channel coding of UCI, Q mBe order of modulation, the modulation symbol number that Q ' takies when forward part for UCI.
303: respectively to transmission block; Data just waiting for transmission; CQI, RI and HARQ-ACK carry out the chnnel coding relevant treatment, carry out the CQI behind the data behind the coding and the coding multiplexing, again the coded-bit of bit after multiplexing and RI and the coded-bit of HARQ-ACK are carried out channel interleaving.
304: the bit after the channel interleaving is carried out send to the base station after a series of processing such as scrambling, modulation, DFT conversion and resource mapping, accomplish the transmission of UCI.
Said a series of processing is meant between terminal and the base station in order to carry out wireless transmission, the relevant processing of carrying out, and it is identical that this processing method and end side are only sent the processing of business datum when not comprising UCI, therefore, repeats no more.
After each part after UCI is divided is carried out above-mentioned processing, all carry out the step of sending, therefore; For N code word, with UCI divide N partly after, be mapped on this N code word respectively after; Signal after obtaining shining upon, the terminal sends to the base station with this signal then.Wherein, N is a natural number, and N >=2.
In the present embodiment, further, after the transmission of terminal completion UCI, can also may further comprise the steps:
305: after the signal of self terminal is received in the base station, signal is carried out a series of processing,, isolate UCI information with transfer of data through separating channel interleaving and demultiplexing; Separate chnnel coding, judge whether the UCI transmission is correct,, then obtain the original information bits of the UCI of terminal transmission when forward part if correct.
306: the base station after obtaining with the UCI of each codeword transmission part, promptly obtain N UCI partly after, this N part original information bits lumped together the complete UCI that obtains terminal transmission, thereby accomplished the transmission of UCI.
Referring to Fig. 4, above-mentioned steps 303 can specifically comprise:
401: to the additional CRC check position of transmission block;
402: transmission block cut apart obtain each code block, all add the CRC check position for each code block;
403: each code block is carried out chnnel coding;
404: the code block after the chnnel coding is carried out rate-matched.
405: together with each the code block cascade after the rate-matched.
In addition, also UCI is carried out chnnel coding, wherein, UCI is carried out chnnel coding, comprising: CQI is carried out chnnel coding, RI is carried out chnnel coding or HARQ-ACK is carried out chnnel coding.This step does not limit the sequencing with above-mentioned 401-405, if UCI is CQI, then as long as before 406, do, if UCI is RI or HARQ-ACK, then as long as before 407, do.
406: carry out data after the code block cascade and the CQI after the chnnel coding multiplexing;
407: the bit after multiplexing and the RI after the chnnel coding and the HARQ-ACK after the chnnel coding are carried out channel interleaving.
Wherein, channel interleaving makes that data and the control information time-frequency position in a TTI after carrying out the mapping of PUSCH resource is roughly as shown in Figure 5.Each blockage among this figure is represented a running time-frequency resource unit (Resource Element), and transverse axis is represented time domain, and the longitudinal axis is represented frequency domain.
The said method that present embodiment provides has solved problem how on the PUSCH of a plurality of code words, to transmit UCI.A UCI is divided into a plurality of parts,, can makes full use of the transmitting power at terminal separately with the back transmission of different code word coding.For example; Total transmitting power at terminal is 23dBm to the maximum; The transmitting power maximum of two antennas on it is 20dBm, adopts the method for present embodiment, and UCI is divided into two parts with 2 codeword transmission; Then can guarantee on every antenna, all to have the UCI transmission, the maximum transmission power of UCI can reach 23dBm in this case.If not with the UCI separated into two parts, but with one of them codeword transmission, then the UCI synchronization only transmits on an antenna; At this moment; The maximum transmission power of UCI can only reach 20dBm, this shows, the method for present embodiment can make full use of the transmitting power at terminal.In addition; The method of present embodiment can farthest be reused the handling process that transmits and receives in LTE R8 version relevant criterion and the realization; Kept backwards compatibility, and can more easily realize this scheme, do not needed the too many standardized work of extra increase based on LTE R8.
Embodiment 2
Because among the embodiment 1 UCI being divided into a plurality of parts encodes; With respect to LTE R8, increased implementation complexity, and; The performance of UCI is subject to the performance of a plurality of parts, and UCI can be lower than any part by the correct probability that receives by the correct probability that receives.Therefore, referring to Fig. 6, present embodiment provides the method for other a kind of transmitting uplink control information, adopts the mode different with embodiment 1, and the UCI after the chnnel coding is divided into after a plurality of parts respectively with a plurality of codeword transmission, specifically comprises:
601: when transmitting UCI on the PUSCH in a plurality of code words,, this UCI is carried out chnnel coding for a UCI waiting for transmission;
Particularly, it is specific as follows this UCI to be carried out the process of chnnel coding:
1) calculate this UCI takies modulation symbol on each code word number Q ', if above-mentioned UCI is HARQ-ACK or RI, the formula (4) below then adopting calculates, if above-mentioned UCI is CQI, the formula (5) below then adopting calculates.Formula (4) and (5) are the amendment type of LTE R8 respective formula.
In the present embodiment, UCI takies modulation symbol on each code word number is all identical, is Q '.
Figure BDA00001733988500071
Figure BDA00001733988500072
Wherein, O is the bit number that UCI works as forward part raw information;
Figure BDA00001733988500073
The transmission bandwidth of PUSCH when just passing for same transmission block;
Figure BDA00001733988500074
The number of shared SC-FDMA when just passing for same transmission block;
Figure BDA00001733988500075
For UCI works as the skew of forward part with respect to MCS;
Figure BDA00001733988500076
Transmission bandwidth for PUSCH; K rBe the information bit and the CRC check bit number sum of r code block of i code word; C iIt is the number of i code word code block; N CWNumber for code word;
Figure BDA00001733988500077
Number for the shared SC-FDMA of same transmission block;
Figure BDA00001733988500078
The number of the modulation symbol that takies for RI on each code word; L is the bit number of CRC check position, and the value of L was 0 when CQI carried out the RM coding, and the value of L is 8 when carrying out convolutional encoding; Q mBe order of modulation; When UCI is HARQ-ACK, When UCI is RI, β Offset PUSCH = β Offset RI ; When UCI is CQI, β Offset PUSCH = β Offset CQI .
Be divided into a plurality of parts again owing to earlier UCI is carried out chnnel coding in the present embodiment; Chnnel coding is only done once; Can find out by formula (4) and (5) and only to adopt
Figure BDA000017339885000712
value to calculate and get final product; Do not need a plurality of
Figure BDA000017339885000713
and
Figure BDA000017339885000714
to notify to the terminal by the base station; This shows that present embodiment can be saved signaling consumption.
2) the bit number Q after the above-mentioned UCI chnnel coding of calculating.
Particularly, can adopt formula (6) to calculate:
Q = Σ i = 0 N CW - 1 Q mi · Q ′ - - - ( 6 )
Wherein, Q is the bit number after the UCI chnnel coding, Q MiBe the order of modulation of i code word, Q ' takies the number of modulation symbol on each code word for UCI.
3) based on the bit number Q after the UCI chnnel coding, this UCI is carried out chnnel coding.
602: the UCI after the chnnel coding is divided into a plurality of parts, and the number of these a plurality of parts equals the number of above-mentioned a plurality of code words, and a code word in the corresponding a plurality of code words of each part.
For example, N code word arranged, N is a natural number, and N >=2, with the UCI after the chnnel coding be divided into N part: UCI1, UCI2 ..., UCIN, respectively corresponding code word 1, code word 2 ..., code word N.
Wherein, the method that the UCI after the chnnel coding is divided into a plurality of parts has multiple, and the embodiment of the invention is not done concrete qualification to this.One of method is that the bit number that on its corresponding code word, takies of each part is by Q MiThe bit number that on behalf of the i part, Q ' calculating, this formula on its i corresponding code word, take.
603: each part after will dividing is mapped to respectively on each self-corresponding code word to be transmitted.
This process is specific as follows:
1) respectively the transmission block on each code word is carried out chnnel coding; For each code word; With tell after data and the CQI chnnel coding behind its coding with the corresponding part of this code word carry out multiplexing, again with the bit after multiplexing, with the part of telling after the RI chnnel coding corresponding with this code word; And the part of telling after the HARQ-ACK chnnel coding corresponding with this code word, carry out channel interleaving;
2) bit after the channel interleaving is carried out send to the base station after a series of processing such as scrambling, modulation, DFT conversion and resource mapping, this step is identical with 304, repeats no more here;
3) after the signal of self terminal is received in the base station, signal is carried out a series of processing, and through each code word is separated channel interleaving and demultiplexing, isolate the information with the UCI part of each codeword transmission, N code word obtains the information of N UCI part altogether.
4) the above-mentioned N that an obtains UCI is partly merged after, carry out channel decoding, if decoding is correct, then obtain the original information bits of the UCI of terminal transmission, thereby accomplish the transmission of UCI.
Referring to Fig. 7, be example with two code words, the concrete implementation procedure of the said method that present embodiment provides is described.Transmission block on two code words carries out chnnel coding respectively, and UCI carries out chnnel coding, comprising: CQI, RI, HARQ-ACK; Difference separated into two parts after the chnnel coding; Wherein, a part is mapped on first code word to be transmitted, and another part is mapped on second code word and transmits; After receiving, the base station separates channel interleaving and demultiplexing; Obtain the UCI of two parts, merge channel decoding again, thereby obtain the original information bits of the UCI of terminal transmission.
The said method that present embodiment provides has solved problem how on the PUSCH of a plurality of code words, to transmit UCI.A UCI is divided into a plurality of parts after chnnel coding, separately with the different code word transmission, can makes full use of the transmitting power at terminal, reason is identical with the description among the embodiment 1.Compare with embodiment 1, reduced the complexity that realizes, improved the performance of UCI, and can more easily realize this scheme, do not need the too many standardized work of extra increase based on LTE R8.Be divided into a plurality of parts again owing to earlier UCI is carried out chnnel coding in the present embodiment; Chnnel coding is only done once; Can find out by formula (4) and (5) and only to adopt
Figure BDA00001733988500081
value to calculate and get final product; Do not need a plurality of
Figure BDA00001733988500082
and
Figure BDA00001733988500083
to notify to the terminal by the base station; This shows that present embodiment can be saved signaling consumption.
Embodiment 3
Since transmission and reception flow process when needing modification LTE R8UCI on PUSCH, to transmit among the embodiment 2, the algorithm that is unfavorable for reusing LTE R8, and; Need to revise LTE R8 and calculate the formula that UCI takies bit number after modulation symbol number and the UCI chnnel coding, promptly formula (4) and (5) are common; The original information bits number of RI and HARQ-ACK is less, like 1～2bit, at this moment; In order to let it possibly need extra repeated encoding, cause the unnecessary wasting of resources with a plurality of codeword transmission.In order to address the above problem, present embodiment provides the method for other a kind of transmitting uplink control information, is different from the mode in embodiment 1 and 2, and employing is mapped to a UCI on the code word to be transmitted, and referring to Fig. 8, specifically comprises:
801: when transmitting UCI on the PUSCH in a plurality of code words,, the code word of appointment in a plurality of code words is confirmed as the corresponding code word of this UCI for a UCI waiting for transmission;
Wherein, The code word of this appointment can be a code word of terminal appointment, by a code word of uplink authorization UL Grant indication, perhaps is a code word of base station signaling perhaps; As passing through RRC (Radio Resource Control, Radio Resource control) signaling.Particularly; UL Grant can or implicitly indicate this code word through one of them territory demonstration; As showing this code word of indication through a newly-increased territory in UL Grant, perhaps through this code word of MCS territory implicit expression indication, corresponding code word can be determined according to the value in MCS territory in the terminal.This UL Grant is that the terminal obtains through the descending control signaling that receives the base station.
802: this UCI is mapped on the code word corresponding with it transmits.
Particularly, this process can comprise:
1) based on the MCS of the code word of confirming, calculates the number that above-mentioned UCI takies modulation symbol,, then adopt formula (1) to calculate,, then adopt formula (2) to calculate if this UCI is CQI if this UCI is HARQ-ACK or RI.
2) calculate bit number after this UCI chnnel coding, can take the number of modulation symbol, adopt formula (3) to calculate based on the UCI that the last step calculates.
3) respectively UCI and data are carried out the chnnel coding relevant treatment, multiplexing and channel interleaving is carried out sending to the base station after a series of processing such as scrambling, modulation, DFT conversion and resource mapping then, and is identical with 303-304, repeats no more here.
5) after the signal of self terminal is received in the base station,, isolate UCI with codeword transmission through separating channel interleaving and demultiplexing; Separate chnnel coding, judge whether the UCI transmission is correct, if correct; Then get access to the information of the UCI of terminal transmission, identical with 305, repeat no more here.
The said method that present embodiment provides has solved problem how on the PUSCH of a plurality of code words, to transmit UCI.Employing is mapped to a UCI on the code word to be transmitted; Compare with embodiment 2; Need not revise the algorithm of LTE R8, can farthest reuse the handling process that transmits and receives in LTE R8 version relevant criterion and the realization, keep backwards compatibility; And can more easily realize this scheme based on LTE R8, not need the too many standardized work of extra increase.And, for the less UCI of original information bits number, can avoid extra repeated encoding, saved resource.
Embodiment 4
Terminal UCI waiting for transmission in the embodiment of the invention can be the UCI to a descending carrier, also can be the UCI to a plurality of descending carriers.Wherein, the UCI of a plurality of descending carriers can adopt absolute coding or combined coding, and combined coding comprises the UCI combined coding of whole descending carriers, perhaps the UCI combined coding of certain several descending carrier wherein.The UCI of each descending carrier is with carrying out chnnel coding respectively during absolute coding.When carrying out combined coding, the UCI of a plurality of descending carriers of combined coding unites and does chnnel coding one time.
Present embodiment when being a plurality of to terminal UCI waiting for transmission, except that the method that adopts embodiment 3 to provide, also provides a kind of method of transmitting uplink control information on the basis of embodiment 3, referring to Fig. 9, specifically comprise:
901: when transmitting a plurality of UCI on the PUSCH in a plurality of code words, for a plurality of UCI of same kind among the UCI waiting for transmission, in a plurality of code words, confirm the code word that each UCI is corresponding according to the rule that is provided with in advance, what this was provided with in advance is regular specific as follows:
Be integer if the number M of a plurality of UCI of same kind and the number N of code word are divided by, then M UCI be divided into N group, each organizes a code word in the corresponding N code word, and every group all comprises M/N UCI; For example, M=4, N=2, then therefore M/N=2, is divided into two groups with 4 UCI, and every group comprises 2 UCI, corresponding first code word of first group, second group of corresponding second code word;
If M＜N and M/N are not integer, then from N code word, select M code word according to named order, M UCI corresponded on this M code word, wherein, the corresponding code word of each UCI; For example, M=2, N=3 then selects 2 code words according to named order from 3 code words, 2 UCI are corresponded on these 2 code words, and no UCI information is only transmitted data on the remaining code word;
If M＞N and M/N are not integer, discuss and be that X, remainder are Y; Then M UCI is divided into N group, each organizes a code word in the corresponding N code word, and every group all comprises X UCI; From N code word, select Y code word again according to named order; A remaining Y UCI corresponds on this Y code word after will dividing into groups, wherein, and the corresponding code word of each UCI; For example, M=7, N=3, then M/N merchant is 2; Remainder is 1, and UCI is divided into 3 groups, and every group comprises 2 UCI, these 3 respectively corresponding 3 code words of group; Also remain 1 UCI this moment, from these 3 code words, selects 1 code word according to named order, and remaining 1 UCI is corresponded on this 1 code word selecting, if remain a plurality of UCI; As Z, then select Z code word according to named order, should correspond on this Z code word by a remaining Z UCI.
Wherein, M, N, X, Y and Z are natural number, and N >=2.
The named order that relates in the above-mentioned steps is specially: according to the corresponding MCS order from high to low of each code word, perhaps according to the corresponding MCS order from low to high of each code word.
902: above-mentioned a plurality of UCI are mapped to respectively on each self-corresponding code word transmit.
In the present embodiment; In above-mentioned rule; Further, the terminal can be mapped among above-mentioned a plurality of UCI on the code word of appointment transmits, and the code word of this appointment can be a code word of terminal appointment;, perhaps be a code word of base station signaling perhaps by the code word that a territory shows or implicit expression is indicated among the UL Grant.Be the terminal when satisfying above-mentioned rule, can also guarantee that one of them UCI is mapped on the code word of appointment.
The said method that present embodiment provides; A plurality of UCI are mapped on the corresponding code word equably and according to named order transmit, need UCI be divided into part, the one or more UCI of mapping on the code word; Solved problem how on the PUSCH of a plurality of code words, to transmit a plurality of UCI; And, can farthest reuse the handling process that transmits and receives in LTE R8 version relevant criterion and the realization, kept backwards compatibility; And can more easily realize this scheme based on LTE R8, not need the too many standardized work of extra increase.Through a plurality of UCI are mapped on a plurality of code words, avoided a plurality of UCI are mapped on the code word, and the ample resources that causes is taken by UCI, the resource that data can be used seldom, the data carried by data amount is very little.In addition, if a plurality of UCI are mapped on the code word, when this transmission data failure; Need retransmit these a spot of data on the inferior identical resource therewith; If there is not new UCI to need transmission when retransmitting, then can occur with very low code check the scene that data retransmit is caused the unnecessary wasting of resources; Therefore, the method for present embodiment can also reduce the unnecessary wasting of resources that data re-transmission causes effectively.
Embodiment 5
Referring to Figure 10, present embodiment provides a kind of device of transmitting uplink control information, comprising:
Determination module 1001 is used for when transmitting UCI on the PUSCH in a plurality of code words, according to the rule that is provided with in advance, in a plurality of code words, confirms the code word that UCI is corresponding;
Transport module 1002 is used for UCI is mapped on the corresponding code word and transmits.
Referring to Figure 11, in the present embodiment, determination module 1001 can specifically comprise:
First confirms unit 1001a; Be used for when transmitting UCI on the PUSCH in a plurality of code words; For a UCI waiting for transmission, the code word of appointment in a plurality of code words is confirmed as the corresponding code word of this UCI, the code word of appointment is a code word of terminal appointment;, perhaps be a code word of base station signaling perhaps by a code word of UL Grant indication.Wherein, UL Grant can show or this code word of implicit expression indication through one of them territory.
Perhaps, determination module 1001 specifically comprises:
Second confirms unit 1001b; Be used for when transmitting UCI on the PUSCH in a plurality of code words,, this UCI being divided into a plurality of parts for a UCI waiting for transmission; The number of a plurality of parts equals the number of a plurality of code words, and a code word in the corresponding a plurality of code words of each part.
Perhaps, determination module 1001 specifically comprises:
The 3rd confirms unit 1001c; Be used for when transmitting UCI on the PUSCH in a plurality of code words; For a UCI waiting for transmission, this UCI is carried out chnnel coding, the UCI after the chnnel coding is divided into a plurality of parts; The number of a plurality of parts equals the number of a plurality of code words, and a code word in the corresponding a plurality of code words of each part.
Perhaps, determination module 1001 specifically comprises:
The 4th confirms unit 1001d; Be used for when transmitting UCI on the PUSCH in a plurality of code words; For a plurality of UCI of same kind among the UCI to be transmitted, if being divided by, the number N of the number M of a plurality of UCI of this same kind and code word is integer, then M UCI is divided into N group; Each organizes a code word in the corresponding N code word, and every group all comprises M/N UCI; If M＜N and M/N are not integer, then from N code word, select M code word according to named order, M UCI corresponded on this M code word, wherein, the corresponding code word of each UCI; If M＞N and M/N are not integer, discuss and be that X, remainder are Y; Then M UCI is divided into N group, each organizes a code word in the corresponding N code word, and every group all comprises X UCI; From N code word, select Y code word again according to named order; A remaining Y UCI corresponds on this Y code word after will dividing into groups, wherein, and the corresponding code word of each UCI; M and N are natural number, and N >=2.
Wherein, confirm that for second unit 1001b or the 3rd confirms unit 1001c, at this moment, transport module 1002 specifically comprises:
Transmission unit 1002a is used for each part with UCI and is mapped to respectively on each self-corresponding code word and transmits.
In the present embodiment, above-mentioned named order is specially: according to the corresponding MCS order from high to low of each code word, perhaps according to the corresponding MCS order from low to high of each code word.
Above-mentioned any device that present embodiment provides can be integrated in the terminal, and this terminal communicates with wireless mode and base station.
The said method that present embodiment provides; Solved problem how on the PUSCH of a plurality of code words, to transmit one or more UCI; And, can farthest reuse the handling process that transmits and receives in LTE R8 version relevant criterion and the realization, kept backwards compatibility; And can more easily realize this scheme based on LTE R8, not need the too many standardized work of extra increase.A plurality of UCI are mapped on a plurality of code words, can improve the resource that data can be used, reduce the unnecessary wasting of resources that data re-transmission causes effectively.
The all or part of of the technique scheme that the embodiment of the invention provides can be accomplished through the relevant hardware of program command; Said program can be stored in the storage medium that can read, and this storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (16)

1. the method for a transmitting uplink control information is characterized in that, said method comprises:
When on the Physical Uplink Shared Channel PUSCH in a plurality of code words during transmitting uplink control information UCI,, in said a plurality of code words, confirm the code word that said UCI is corresponding according to the rule that is provided with in advance;
Said UCI is mapped on the code word of said correspondence and transmits; Wherein,, in said a plurality of code words, confirm the code word that said UCI is corresponding, specifically comprise according to the rule that is provided with in advance:
For a UCI waiting for transmission, the code word of appointment in said a plurality of code words is confirmed as the corresponding code word of a said UCI waiting for transmission;
The code word of said appointment is a code word by uplink authorization UL Grant indication; Wherein,
Said code word by said UL Grant indication comprises:
A code word by the Modulation and Coding Scheme MCS territory implicit expression indication among the said UL Grant.
2. method according to claim 1 is characterized in that, the said code word of being indicated by the MCS territory implicit expression among the said UL Grant comprises:
A code word definite according to the value in the said MCS territory among the said UL Grant.
3. method according to claim 1 and 2 is characterized in that said UCI comprises channel quality information.
4. method according to claim 1 and 2 is characterized in that, when said UCI indicated RI for mixing automatic affirmation information HARQ-ACK that retransmits or order, said UCI takies modulation symbol on each code word number was identical.
5. the device of a transmitting uplink control information is characterized in that, said device comprises:
Determination module is used for according to the rule that is provided with in advance, in said a plurality of code words, confirming the code word that said UCI is corresponding when on the Physical Uplink Shared Channel PUSCH in a plurality of code words during transmitting uplink control information UCI;
Transport module is used for said UCI is mapped on the code word of said correspondence and transmits; Wherein, said determination module specifically comprises:
First confirms the unit; Be used for when transmitting UCI on the PUSCH in a plurality of code words; For a UCI waiting for transmission; The code word of appointment in said a plurality of code words is confirmed as the corresponding code word of a said UCI waiting for transmission, and the code word of said appointment is a code word by uplink authorization UL Grant indication; Wherein,
Said code word by said UL Grant indication comprises:
A code word by the Modulation and Coding Scheme MCS territory implicit expression indication among the said UL Grant.
6. device according to claim 5 is characterized in that, the said code word of being indicated by the MCS territory implicit expression among the said UL Grant comprises:
A code word definite according to the value in the said MCS territory among the said UL Grant.
7. according to claim to 5 or 6 described devices, it is characterized in that said UCI comprises channel quality information.
8. according to claim 5 or 6 described devices, it is characterized in that when said UCI indicated RI for mixing automatic affirmation information HARQ-ACK that retransmits or order, said UCI takies modulation symbol on each code word number was identical.
9. a method of obtaining ascending control information is characterized in that, comprising:
The Physical Uplink Shared Channel PUSCH that receives a plurality of code words goes up the ascending control information UCI of transmission;
According to the rule that is provided with in advance, in said a plurality of code words, confirm the code word that said UCI is corresponding;
Said code word according to said UCI is corresponding is obtained said UCI; Wherein,
The said code word that said UCI is corresponding is a code word by uplink authorization UL Grant indication; Wherein,
Said code word by said UL Grant indication comprises:
A code word by the Modulation and Coding Scheme MCS territory implicit expression indication among the said UL Grant.
10. method according to claim 9 is characterized in that, the said code word of being indicated by the MCS territory implicit expression among the said UL Grant comprises:
A code word definite according to the value in the said MCS territory among the said UL Grant.
11., it is characterized in that said UCI comprises channel quality information according to claim 9 or 10 described methods.
12., it is characterized in that when said UCI indicated RI for mixing automatic affirmation information HARQ-ACK that retransmits or order, said UCI takies modulation symbol on each code word number was identical according to claim 9 or 10 described methods.
13. a device that obtains ascending control information is characterized in that, comprising:
Receiving element is used to receive the ascending control information UCI that transmits on the Physical Uplink Shared Channel PUSCH of a plurality of code words;
Confirm the unit, be used for, in said a plurality of code words, confirm the code word that said UCI is corresponding according to the rule that is provided with in advance;
Acquiring unit is used for obtaining said UCI according to the corresponding said code word of said UCI; Wherein,
The said code word that said UCI is corresponding is a code word by uplink authorization UL Grant indication; Wherein,
Said code word by said UL Grant indication comprises:
A code word by the Modulation and Coding Scheme MCS territory implicit expression indication among the said UL Grant.
14. device according to claim 13 is characterized in that, the said code word of being indicated by the MCS territory implicit expression among the said UL Grant comprises:
A code word definite according to the value in the said MCS territory among the said UL Grant.
15., it is characterized in that said UCI comprises channel quality information according to claim 13 or 14 described devices.
16., it is characterized in that when said UCI indicated RI for mixing automatic affirmation information HARQ-ACK that retransmits or order, said UCI takies modulation symbol on each code word number was identical according to claim 13 or 14 described devices.
CN201210184650.7A 2009-12-07 2009-12-07 Method and device for transmitting uplink control information Active CN102710376B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210184650.7A CN102710376B (en) 2009-12-07 2009-12-07 Method and device for transmitting uplink control information

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210184650.7A CN102710376B (en) 2009-12-07 2009-12-07 Method and device for transmitting uplink control information

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN2009102543105A Division CN102013938B (en) 2009-12-07 2009-12-07 Method and device for transmitting uplink control information (UCI)

Publications (2)

Publication Number Publication Date
CN102710376A true CN102710376A (en) 2012-10-03
CN102710376B CN102710376B (en) 2015-03-18

Family

ID=46902954

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210184650.7A Active CN102710376B (en) 2009-12-07 2009-12-07 Method and device for transmitting uplink control information

Country Status (1)

Country Link
CN (1) CN102710376B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105810049A (en) * 2016-05-06 2016-07-27 吉林大学 Traffic signal control electronic experiment teaching device
WO2017167003A1 (en) * 2016-03-29 2017-10-05 中兴通讯股份有限公司 Method and device for sending uplink control information, and storage medium
WO2018127122A1 (en) * 2017-01-06 2018-07-12 华为技术有限公司 Information transmission method, terminal and network side device
CN110351009A (en) * 2018-04-04 2019-10-18 展讯通信（上海）有限公司 DCI transmission and method of reseptance, device, storage medium, base station, terminal
CN110474707A (en) * 2018-05-11 2019-11-19 中兴通讯股份有限公司 A kind of transmission method, device and system
CN110830158A (en) * 2018-08-10 2020-02-21 华为技术有限公司 Method and communication device for transmitting uplink control information

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101048967A (en) * 2004-09-15 2007-10-03 Lg电子株式会社 A method of controlling transmit power for retransmission packet in uplink dedicated channel
US20080067358A1 (en) * 2006-05-26 2008-03-20 Ionsense, Inc. Apparatus for holding solids for use with surface ionization technology

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101048967A (en) * 2004-09-15 2007-10-03 Lg电子株式会社 A method of controlling transmit power for retransmission packet in uplink dedicated channel
US20080067358A1 (en) * 2006-05-26 2008-03-20 Ionsense, Inc. Apparatus for holding solids for use with surface ionization technology

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
3GPP-TSGRAN: "Evolved Universal Terrestrial Radio Access (E-UTRA) ；Multiplexing and channel coding(Release 8)", 《3GPP TS 36.212 V8.7.0》 *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017167003A1 (en) * 2016-03-29 2017-10-05 中兴通讯股份有限公司 Method and device for sending uplink control information, and storage medium
CN105810049A (en) * 2016-05-06 2016-07-27 吉林大学 Traffic signal control electronic experiment teaching device
WO2018127122A1 (en) * 2017-01-06 2018-07-12 华为技术有限公司 Information transmission method, terminal and network side device
US11363574B2 (en) 2017-01-06 2022-06-14 Huawei Technologies Co., Ltd. Information transmission method, terminal, and network side device
CN110351009A (en) * 2018-04-04 2019-10-18 展讯通信（上海）有限公司 DCI transmission and method of reseptance, device, storage medium, base station, terminal
CN110351009B (en) * 2018-04-04 2022-03-04 展讯通信（上海）有限公司 DCI transmission and reception method, device, storage medium, base station, and terminal
CN110474707A (en) * 2018-05-11 2019-11-19 中兴通讯股份有限公司 A kind of transmission method, device and system
CN110474707B (en) * 2018-05-11 2022-05-20 中兴通讯股份有限公司 Transmission method, device and system
US11870577B2 (en) 2018-05-11 2024-01-09 Zte Corporation Method and apparatus for transmitting uplink control information in a physical uplink shared channel, and storage medium
CN110830158A (en) * 2018-08-10 2020-02-21 华为技术有限公司 Method and communication device for transmitting uplink control information
CN110830158B (en) * 2018-08-10 2022-07-12 华为技术有限公司 Method and communication device for transmitting uplink control information

Also Published As

Publication number Publication date
CN102710376B (en) 2015-03-18

Similar Documents

Publication Publication Date Title
CN102013938B (en) Method and device for transmitting uplink control information (UCI)
CN107347002B (en) Method and device for transmitting HARQ-ACK feedback information
EP2458925B1 (en) Method and apparatus for transmitting uplink control signaling on physical uplink shared channel
US9480056B2 (en) System and method for allocating transmission resources
CN102468917B (en) Uplink control information (UCI) transmission and reception methods, terminal and base station
CN101969361B (en) Method and device for transmitting cycle feedback report
US9532345B2 (en) Method and apparatus for processing UCI and method for transmission thereof based on MIMO system
CN102104458B (en) Method and equipment for transmitting uplink control information
US20130022009A1 (en) Method and System for Transmitting Uplink Control Signaling on Physical Uplink Shared Channel
CN102769507A (en) Method for transmission of acknowledgement or negative acknowledgement information on physical uplink shared channel
CN108599906A (en) The multiplexing of channel state information and mixed automatic repeat request-confirmation message
CN101741517A (en) Method and device for sending transmission block in uplink of multi-antenna system
CN102710376B (en) Method and device for transmitting uplink control information
RU2013101786A (en) SYSTEM AND METHOD FOR TRANSMITTING SIGNALS OF CONTROL INFORMATION IN A MOBILE COMMUNICATION NETWORK
CN102077499B (en) Method and equipment for feeding back the Scheduling Request (SR) information and ack/nack information or feeding back a number of sr information
CN101958779B (en) Retransmission method for transmission block triggered by physical hybrid automatic repeat request indicator channel and terminal
CN102377529B (en) Transmission method of uplink control information

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant