CN101378307A - Method for processing feedback information - Google Patents

Method for processing feedback information Download PDF

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CN101378307A
CN101378307A CNA2008101664061A CN200810166406A CN101378307A CN 101378307 A CN101378307 A CN 101378307A CN A2008101664061 A CNA2008101664061 A CN A2008101664061A CN 200810166406 A CN200810166406 A CN 200810166406A CN 101378307 A CN101378307 A CN 101378307A
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nack
ack
dtx
descending sub
corresponding relation
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CN101378307B (en
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戴博
郝鹏
梁春丽
郁光辉
张禹强
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ZTE Corp
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ZTE Corp
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Abstract

The invention discloses a processing method of a piece of feedback information, which comprises the steps of: establishing a first corresponding relation between bit information and a channel index corresponding to a downlink subframe according to the quantity of the downlink subframe corresponding to an uplink subframe; and establishing a second one-to-one corresponding relation between the first corresponding relation and the feedback information of the downlink subframe. In virtue of the method and a base station can accurately feedback the ACK/NACK information of a subframe, thus improving the system performance.

Description

The processing method of feedback information
Technical field
The present invention relates to the communications field, relate in particular to a kind of processing method of feedback information.
Background technology
Mixing in automatic request retransmission (Hybrid Automatic Repeat Request the abbreviates HARQ as) mode, the code stream of receiving terminal to receiving not only can carry out error detection, but also has certain error correcting capability.After the receiving terminal decoder is received code word, at first check error situation, if in the error correcting capability of sign indicating number, then carry out error correction automatically, if mistake is a lot, surpassed the error correcting capability of sign indicating number, come out but can detect mistake, then receiving terminal is sent out a decision signal by feedback channel to transmitting terminal, requires the transmitting terminal retransmission of information.At OFDM (Orthogonal Frequency Division Multiplex, abbreviate OFDM as) in the system, reply (Acknowledged/Non-acknowledged by ack/nack, abbreviating ACK/NACK as) (or be called correct/error reply) control signaling represents to transmit correct/error, need to judge whether to retransmit with this.
Long Term Evolution (Long Term Evolution, abbreviating LTE as) system is the essential planning of third generation partnership, Fig. 1 shows the structural representation of basic frame structure in the LTE system, as shown in Figure 1, frame structure is divided into radio frames, field, subframe, time slot and four grades of symbol, wherein, the length of a radio frames is 10ms, a radio frames is made up of two fields, the length of each field is 5ms, and a field is made up of 5 subframes, and the length of each subframe is 1ms, a subframe is made of two time slots, and the length of each time slot is 0.5ms.
When the LTE system adopts the regular circulation prefix, time slot comprise 7 length be 66.7us on/descending symbol, wherein, the circulating prefix-length of first symbol is 5.21us, the circulating prefix-length of other 6 symbols is 4.69us.
When the LTE system adopts extended cyclic prefix, time slot comprise 6 length be 66.7us on/descending symbol, wherein, the circulating prefix-length of each symbol is 16.67us.
Physical Uplink Control Channel (Physical Uplink Control Channel, abbreviate PUCCH as) form be divided into format 1, format 1a, format 1b and format 2, format 2a, six kinds of format 2b, wherein, format 1 is used to transmit dispatch request (the Scheduling Request of 1 bit, abbreviate SR as) information, expression has or does not have SR, format 1a is used to transmit the ACK/NACK information of the single codeword stream of 1 bit, format 1b is used to transmit the ACK/NACK information of two streams of code words of 2 bits, wherein, the ACK/NACK information of corresponding 1 bit of each streams of code words, format 2 is used for transmission channel quality indication (Channel Quality Indicator, abbreviate CQI as)/pre-coding matrix index (Pre-coding Matrix Index, abbreviate PMI as) and order information (Rank Information, abbreviate RI as), format 2a is used to transmit CQI/PMI and RI information, single codeword stream ACK/NACK information, format 2b is used to transmit CQI/PMI and RI information, two streams of code words ACK/NACK information, format 2a and format 2b are used for the scene that Cyclic Prefix is the regular circulation prefix.
Format 1, format 1a are the same with format 1b channel architecture, and format 1 multiply by a fixed modulation symbol 1 on data symbol, and whether transmit by having or not of format 1 channel has SR information to send; Format 1a multiply by a two-phase PSK (Binary Phase Shift Keying abbreviates BPSK as) symbol on data symbol, by BPSK symbol transmission single codeword stream ACK/NACK information; Format 1b multiply by a Quadrature Phase Shift Keying (Quadrate Phase Shift Keying abbreviates QPSK as) symbol on data symbol, by the two streams of code words ACK/NACK information of QPSK symbol transmission.
Format 2, format 2a are the same with format 2b channel architecture, format 2 transmits CQI information on data symbol, do not send any information on pilot tone (reference signal) symbol, format 2a transmits CQI information on data symbol, multiply by a BPSK symbol on pilot tone (reference signal) symbol, by BPSK symbol transmission single codeword stream ACK/NACK information; Format 2b transmits CQI information on data symbol, multiply by a QPSK symbol on pilot tone (reference signal) symbol, by the two streams of code words ACK/NACK information of QPSK symbol transmission.
So, 2 bit informations of PUCCHformat 1b transmission are defined as b (0) and b (1).
In a radio frames of tdd systems, there is various configurations in uplink and downlink timeslot ratio, as shown in table 1, therefore, exist the scene of the ACK/NACK information of a plurality of descending sub frames of feedback on sub-frame of uplink, wherein, D represents descending sub frame, U represents sub-frame of uplink, and S represents special subframe, and the ACK/NACK information concrete condition of the descending sub frame of each sub-frame of uplink feedback is as shown in table 2 under the various configurations.
Table 1 LTE TDD up-downgoing proportional arrangement
Figure A200810166406D00111
The descending sub frame number of correspondence during table 2 sub-frame of uplink feedback acknowledgment information
Figure A200810166406D00121
In tdd systems, adopt and select corresponding PUCCH channel, use PUCCH format 1b transmission carry out with operation after ACK/NACK information (ACK/NACK multiplexing using PUCCH format 1b with channelselection), wherein, each ACK/NACK is the carrying out of a descending sub frame feeding back ACK/NACK and the result of operation; The AND-operation of ACK/NACK information specifically comprises: as long as in the ACK/NACK information nack message is arranged, so, the result of AND-operation is a nack message, and when all ACK/NACK information all were ACK information, the result of AND-operation was an ACK information.That is to say, the 2 bit information b (0) and the b (1) that are carried by PUCCH format1b, and the index of PUCCH channel, represent to carry out the ACK/NACK information behind the AND-operation, concrete corresponding relation is shown in table 3, table 4 and table 5, and wherein, the value of M is determined by the uplink and downlink timeslot ratio configuration, the quantity of the descending sub frame of a sub-frame of uplink correspondence of expression, DTX (DiscontinuousTransmission) represents discontinuous transmission.
Table 3 is the relation between a plurality of ACK/NACK feedback and b (0), b (1), the channel indexes when M=2
Figure A200810166406D00131
Table 4 is the relation between a plurality of ACK/NACK feedback and b (0), b (1), the channel indexes when M=3
Figure A200810166406D00132
Figure A200810166406D00141
Table 5 is the relation between a plurality of ACK/NACK feedback and b (0), b (1), the channel indexes when M=4
Figure A200810166406D00142
Figure A200810166406D00151
Figure A200810166406D00161
When M=2, corresponding two descending sub frames of sub-frame of uplink, and the PUCCH channel indexes of the corresponding transferring ACK/NACK message of each descending sub frame, therefore, 2 bit information b (0) and b (1) add the selection of two PUCCH channel indexes, can represent that 2 * 2 * 2=8 kind may, add the default conditions that do not send any information, can represent that altogether the 8+1=9 kind may; And each subframe has three kinds of states of ACK/NACK/DTX, 3 * 3=9 kind may altogether for two subframes, so, utilize b (0) and b (1), PUCCH channel indexes can clearly show all feedback states of two descending sub frames fully, but in the existing scheme, the various feedback state of descending sub frame utilizes identical b (0), b (1), PUCCH channel indexes to represent, the state of terminal can not accurately be judged in the base station, causes the decreased performance of system.
Summary of the invention
Consider that the base station that exists in the correlation technique can not accurately judge the state of terminal, cause system decreased performance problem and the present invention is proposed, for this reason, main purpose of the present invention is to provide a kind of processing method of feedback information, to address the above problem.
A kind of processing method of feedback information is provided according to an aspect of the present invention.
Processing method according to feedback information of the present invention comprises: according to the quantity of the descending sub frame of sub-frame of uplink correspondence, set up the bit information of descending sub frame correspondence and first corresponding relation between channel indexes; Set up second corresponding relation one to one between the feedback information of first corresponding relation and descending sub frame.
A kind of processing method of feedback information is provided according to an aspect of the present invention.
Processing method according to feedback information of the present invention comprises: according to the quantity of the descending sub frame of sub-frame of uplink correspondence, set up the bit information of descending sub frame correspondence and first corresponding relation between channel indexes; Set up second corresponding relation between the feedback information of first corresponding relation and descending sub frame, wherein, feedback information comprises one of following or its combination: ACK, NACK/DTX, wherein, NACK/DTX is a kind of state, and NACK, DTX are corresponding to the first identical corresponding relation.
By above-mentioned at least one technical scheme of the present invention, the base station is the ACK/NACK message of feeding back downlink subframe exactly, has improved the performance of system.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural representation according to basic frame structure in the correlation technique LTE system;
Fig. 2 is the flow chart according to the processing method of the feedback information of the inventive method embodiment one;
Fig. 3 is the flow chart according to the processing method of the feedback information of the inventive method embodiment two.
Embodiment
Describe the present invention in detail below in conjunction with accompanying drawing.
Method embodiment
According to the embodiment of the invention, provide a kind of processing method of feedback information.
Fig. 2 is the flow chart according to the processing method of the feedback information of the embodiment of the invention, and as shown in Figure 2, this method may further comprise the steps:
Step S202 according to the descending sub frame quantity of sub-frame of uplink correspondence, sets up the bit information of described descending sub frame correspondence and first corresponding relation between channel indexes;
Step S204 sets up second corresponding relation one to one between the feedback information of described first corresponding relation and described descending sub frame.
Below above-mentioned steps is described.
(1) step S202
The process of specifically setting up of first corresponding relation is: set up { b (0), b (1) } with
Figure A200810166406D0018162820QIETU
Between corresponding relation, wherein, first bit of the feedback information correspondence of b (0) expression descending sub frame, second bit of the feedback information correspondence of b (1) expression descending sub frame,
Figure A200810166406D0018162836QIETU
The channel indexes of the feedback information of i descending sub frame of expression transmission, and i=1,2,3,4, feedback information comprises one of following or its combination: ACK, NACK, DTX, and terminal does not receive under the data conditions in descending sub frame, feedback information is DTX, wherein, b (0) and b (1) are the bit information of carrying under the format 1b form.
(2) step S204
Can set up second corresponding relation by following dual mode.
Mode one: set up { b (0), b (1) } and { A with corresponding relation 1, A 2..., A kBetween second corresponding relation, be expressed as ({ b (0), b (1) },
Figure A200810166406D0018162859QIETU
, { A 1, A 2..., A k); Perhaps
Mode two: set up { N/A} and { A with corresponding relation 1, A 2..., A kBetween second corresponding relation, be expressed as ({ N/A}, { A 1, A 2..., A k).
Wherein, { N/A} represents not send any feedback information, and k is the descending sub frame quantity of sub-frame of uplink correspondence, and its value is a natural number, A nBe the feedback information of n descending sub frame in k the descending sub frame, perhaps, A nBe the feedback information of n transmission block in k the descending sub frame, n is for more than or equal to 1 and be less than or equal to the natural number of k.
Preferably, the quantity of descending sub frame is 1 or 2.
By the technical scheme that the embodiment of the invention provides, the base station is the ACK/NACK message of feeding back downlink subframe exactly, has improved the performance of system.
Be elaborated below by example one, example two, example three and four couples of the inventive method embodiment one of example.
Example one
When M=1, in the tdd systems ACK/NACK message of descending sub frame adopt with frequency division duplex system in the same processing method of ACK/NACK message of descending sub frame.
When system adopts single transmission block (single codeword stream) to send downlink data, adopt the ACK/NACK message of PUCCHformat 1a transmission descending sub frame, and b (0), b (1),
Figure A200810166406D00191
And { A 1Corresponding relation be: (0,0,
Figure A200810166406D00192
, NACK}), (1,1,
Figure A200810166406D00193
, ACK}), (N/A}, DTX}), wherein, A 1Feedback information for descending sub frame; When system adopts a plurality of transmission blocks (many streams of code words) to send downlink data, adopt the ACK/NACK message of PUCCH format1b transmission descending sub frame, { b (0), b (1) } and { A 1, A 2Corresponding relation be: (0,0,
Figure A200810166406D00194
, NACK, NACK}), (0,1,
Figure A200810166406D00195
, NACK, ACK}), (1,0,
Figure A200810166406D00196
, ACK, NACK}), (1,1, , ACK, ACK}), (N/A}, and DTX, DTX}), A nBe the feedback information of n transmission block in the descending sub frame, wherein, n=1,2.
Table 6 is the relation between single ACK/NACK and b (0), b (1), the channel indexes when M=1
Table 7 is the relation between two ACK/NACK and b (0), b (1), the channel indexes when M=1
Figure A200810166406D00202
By technique scheme of the present invention, solved when M=1 the systematic function decline problem that the ACK/NACK message of feeding back downlink subframe is exactly caused.
Embodiment two
When M=2, b (0), b (1) are as follows with the corresponding relation of PUCCH channel indexes: and b (0), b (1), , wherein,
Figure A200810166406D00204
The PUCCH channel indexes of the feeding back ACK/nack message of i descending sub frame of expression transmission sub-frame of uplink correspondence, i=1,2, { N/A} represents not send any feedback information.
B (0), b (1),
Figure A200810166406D00211
The concrete value of (being first corresponding relation mentioned above) is: 0,0,
Figure A200810166406D00212
, 0,1,
Figure A200810166406D00213
, 1,0,
Figure A200810166406D00214
, 1,1,
Figure A200810166406D00215
, 0,0,
Figure A200810166406D00216
, 0,1, , 1,0,
Figure A200810166406D00218
, 1,1,
Figure A200810166406D00219
, { N/A};
B (0), b (1), And the one-to-one relationship between the feedback information of descending sub frame (being second corresponding relation mentioned above) is as follows: (b (0), b (1),
Figure A200810166406D002111
, { A 1, A 2), wherein, A 1The feedback information of the 1st descending sub frame of expression sub-frame of uplink correspondence, A 2The feedback information of the 2nd descending sub frame of expression sub-frame of uplink correspondence, wherein, feedback information is three kinds of states of ACK/NACK/DTX; That is to say, different b (0), b (1), Corresponding { A 1, A 2Be different, different { A 1, A 2Corresponding b (0), b (1),
Figure A200810166406D002113
Be different, wherein, A nFeedback information for n descending sub frame in k the descending sub frame.
Corresponding to { NACK, DTX}, { ACK, DTX}, { NACK, NACK}, { ACK, NACK};
Figure A200810166406D002115
Corresponding to { NACK, ACK}, { DTX, ACK}, { DTX, NACK}, { ACK, ACK}; { N/A} is corresponding to { DTX, DTX}.
At this moment, second corresponding relation can for: (1,0, , NACK, DTX}), (0,1,
Figure A200810166406D002117
, ACK, DTX}), (0,0,
Figure A200810166406D002118
, NACK, NACK}), (1,1,
Figure A200810166406D002119
, ACK, NACK}), (0,0,
Figure A200810166406D002120
, NACK, ACK}), (0,1,
Figure A200810166406D002121
, DTX, ACK}), (1,0,
Figure A200810166406D002122
, DTX, NACK}), (1,1, , ACK, ACK}), (N/A}, and DTX, DTX}); Perhaps,
(0,0, , NACK, DTX}), (1,1,
Figure A200810166406D00222
, ACK, DTX}), (0,1,
Figure A200810166406D00223
, NACK, NACK}), (1,0,
Figure A200810166406D00224
, ACK, NACK}), (0,0,
Figure A200810166406D00225
, NACK, ACK}), (0,1,
Figure A200810166406D00226
, DTX, ACK}), (1,0,
Figure A200810166406D00227
, DTX, NACK}), (1,1,
Figure A200810166406D00228
, ACK, ACK}), (N/A}, and DTX, DTX}); Perhaps,
({1，1，
Figure A200810166406D00229
}，{NACK，DTX})、({0，0，
Figure A200810166406D002210
}，{ACK，DTX})、({1，0，
Figure A200810166406D002211
}，{NACK，NACK})、({0，1，
Figure A200810166406D002212
}，{ACK，NACK})、({0，0， }，{NACK，ACK})、({0，1，
Figure A200810166406D002214
}，{DTX，ACK})、({1，0，
Figure A200810166406D002215
}，{DTX，NACK})、({1，1，
Figure A200810166406D002216
}，{ACK，ACK})、({N/A}，{DTX，DTX})。
By technique scheme of the present invention, solved when M=2 the problem that systematic function that the ACK/NACK message of feeding back downlink subframe exactly caused descends.
Example three
When M=2, b (0), b (1) are as follows with the corresponding relation of PUCCH channel indexes: and b (0), b (1),
Figure A200810166406D002217
, wherein,
Figure A200810166406D002218
The PUCCH channel indexes of the feeding back ACK/nack message of i descending sub frame of expression sub-frame of uplink correspondence, i=1,2, { N/A} represents not send any feedback information.
B (0), b (1),
Figure A200810166406D002219
Concrete value be 0,0,
Figure A200810166406D002220
, 0,1,
Figure A200810166406D002221
, 1,0, , 1,1,
Figure A200810166406D002223
, 0,0,
Figure A200810166406D002224
, 0,1,
Figure A200810166406D002225
, 1,0,
Figure A200810166406D002226
, 1,1,
Figure A200810166406D002227
, { N/A}.
The one-to-one relationship of b (0), b (1), PUCCH channel indexes and descending sub frame feedback information is as follows: (b (0), b (1), , { A 1, A 2), wherein, A 1The feedback information of the 1st descending sub frame of expression sub-frame of uplink correspondence, A 2The feedback information of the 2nd descending sub frame of expression sub-frame of uplink correspondence, wherein, feedback information is three kinds of states of ACK/NACK/DTX; That is to say, different b (0), b (1), Corresponding { A 1, A 2Be different, different { A 1, A 2Corresponding b (0), b (1),
Figure A200810166406D00232
Be different, wherein, A nFeedback information for n descending sub frame in k the descending sub frame.
Particularly,
Figure A200810166406D00233
Can corresponding to NACK, DTX}, ACK, DTX}, NACK, NACK}, ACK, ACK},
Figure A200810166406D00234
Can be corresponding to { NACK, ACK}, { DTX, ACK}, { DTX, NACK}, { ACK, NACK}; { N/A} is corresponding to { DTX, DTX}.
Above-mentioned second corresponding relation is: (1,0, , NACK, DTX}), (0,1,
Figure A200810166406D00236
, ACK, DTX}), (0,0,
Figure A200810166406D00237
, NACK, NACK}), (1,1,
Figure A200810166406D00238
, ACK, ACK}), (0,0,
Figure A200810166406D00239
, DTX, NACK}), (0,1,
Figure A200810166406D002310
, NACK, ACK}), (1,0,
Figure A200810166406D002311
, ACK, NACK}), (1,1, , DTX, ACK}), (N/A}, and DTX, DTX}); Perhaps, (0,0, , NACK, DTX}), (1,1,
Figure A200810166406D002314
, ACK, DTX}), (1,0,
Figure A200810166406D002315
, ACK, NACK}), (0,1,
Figure A200810166406D002316
, ACK, ACK}), (0,0,
Figure A200810166406D002317
, DTX, NACK}), (0,1,
Figure A200810166406D002318
, NACK, ACK}), (1,0,
Figure A200810166406D002319
, ACK, NACK}), (1,1, , DTX, ACK}), (N/A}, and DTX, DTX}).
By technique scheme of the present invention, solved when M=2 the problem that the caused systematic function of the ACK/NACK message of feeding back downlink subframe exactly descends.
Example four
When M=2, b (0), b (1) are as follows with the corresponding relation of PUCCH channel indexes: and b (0), b (1),
Figure A200810166406D00241
, wherein,
Figure A200810166406D00242
The PUCCH channel indexes of the feeding back ACK/nack message of i descending sub frame of expression sub-frame of uplink correspondence, i=1,2, and N/A} represents not have the ACK/NACK feedback information, be specially 0,0,
Figure A200810166406D00243
, 0,1,
Figure A200810166406D00244
, 1,0,
Figure A200810166406D00245
, 1,1,
Figure A200810166406D00246
, 0,0, , 0,1,
Figure A200810166406D00248
, 1,0,
Figure A200810166406D00249
, 1,1,
Figure A200810166406D002410
, { N/A};
The one-to-one relationship of b (0), b (1), PUCCH channel indexes and descending sub frame feedback information is as follows: (b (0), b (1), , { A 1, A 2), wherein, A 1The feedback information of the 1st descending sub frame of expression sub-frame of uplink correspondence, A 2The feedback information of the 2nd descending sub frame of expression sub-frame of uplink correspondence, wherein, feedback information is three kinds of states of ACK/NACK/DTX; That is to say, different b (0), b (1),
Figure A200810166406D002412
Corresponding { A 1, A 2Be different, different { A 1, A 2Corresponding b (0), b (1),
Figure A200810166406D002413
Be different, wherein, A nFeedback information for n descending sub frame in k the descending sub frame.
Wherein,
Figure A200810166406D002414
Corresponding to { NACK, DTX}, { ACK, DTX}, { ACK, NACK}, { NACK, ACK};
Figure A200810166406D002415
Corresponding to { NACK, NACK}, { DTX, ACK}, { DTX, NACK}, { ACK, ACK}; { N/A} is corresponding to { DTX, DTX}.
Above-mentioned second corresponding relation is: (1,0,
Figure A200810166406D002416
, NACK, DTX}), (0,1, , ACK, DTX}), (0,0,
Figure A200810166406D002418
, NACK, ACK}), (1,1, , ACK, NACK}), (0,0,
Figure A200810166406D002420
, DTX, NACK}), (0,1,
Figure A200810166406D002421
, ACK, ACK}), (1,0,
Figure A200810166406D002422
, NACK, NACK}), (1,1,
Figure A200810166406D00251
, DTX, ACK}), (N/A}, and DTX, DTX}); Perhaps,
({0，0，
Figure A200810166406D00252
}，{NACK，DTX})、({1，1，
Figure A200810166406D00253
}，{ACK，DTX})、({1，0，
Figure A200810166406D00254
}，{ACK，NACK})、({0，1， }，{NACK，ACK})、({0，0，
Figure A200810166406D00256
}，{NACK，NACK})、({0，1，
Figure A200810166406D0025163724QIETU
}，{DTX，ACK})、({1，0， }，{ACK，DTX})、({1，1， }，{ACK，ACK})、({N/A}，{DTX，DTX})。
Method embodiment two
According to the embodiment of the invention, provide a kind of processing method of feedback information.
Fig. 3 shows the flow chart according to the processing method of feedback information of the present invention, as shown in Figure 3, comprises following processing:
Step S302 according to the descending sub frame quantity of sub-frame of uplink correspondence, sets up the bit information of descending sub frame correspondence and first corresponding relation between channel indexes;
Step S304 sets up second corresponding relation between the feedback information of first corresponding relation and descending sub frame, wherein, feedback information comprises one of following or its combination: ACK, NACK/DTX, wherein, NACK/DTX is a kind of state, and NACK, DTX are corresponding to the first identical corresponding relation.
Below above-mentioned steps is described.
(1) step S302
The process of specifically setting up of first corresponding relation is: set up { b (0), b (1) } with
Figure A200810166406D002510
Between corresponding relation, wherein, first bit of the feedback information correspondence of b (0) expression descending sub frame, second bit of the feedback information correspondence of b (1) expression descending sub frame, The channel indexes of the feedback information of i descending sub frame of expression transmission, and i=1,2,3,4, and terminal do not receive in descending sub frame under the data conditions, and feedback information is DTX, wherein, b (0) and b (1) are the bit information of carrying under the PUCCH format 1b form.
(2) step S304
Can set up second corresponding relation by following dual mode.
Mode one: set up { b (0), b (1) } with corresponding relation and With { A 1, A 2..., A kBetween second corresponding relation, be expressed as ({ b (0), b (1) },
Figure A200810166406D00263
, { A 1, A 2..., A k); Perhaps
Mode two: set up { N/A} and { A with corresponding relation 1, A 2..., A kBetween second corresponding relation, be expressed as ({ N/A}, { A 1, A 2..., A k);
Wherein, { N/A} represents not send any feedback information, and k is the descending sub frame quantity of sub-frame of uplink correspondence, and its value is a natural number, A nBe the feedback information of n descending sub frame in k the descending sub frame, n is for more than or equal to 1 and be less than or equal to the natural number of k.
Preferably, the quantity of descending sub frame is 2,3 or 4.
Be that example describes the inventive method embodiment two with example five, example six, example seven below.
Example five
When M=2, the corresponding relation of b (0), b (1), PUCCH channel indexes and descending sub frame feedback information is as follows: (b (0), b (1),
Figure A200810166406D00264
, { A 1, A 2), wherein, A kThe feedback information of k descending sub frame of expression sub-frame of uplink correspondence, k=1,2, feedback information comprises ACK, NACK, three kinds of states of DTX.
Corresponding to { ACK, DTX/NACK};
Figure A200810166406D00272
Corresponding to { ACK, ACK}, { DTX/NACK, ACK}; { N/A} is corresponding to { DTX/NACK, DTX/NACK}.
Above-mentioned second corresponding relation is: (0,1,
Figure A200810166406D00273
, ACK, DTX/NACK}), (1,0,
Figure A200810166406D00274
, DTX/NACK, ACK}), (0,1,
Figure A200810166406D00275
, ACK, ACK}), (N/A}, and DTX/NACK, DTX/NACK}); Perhaps,
(1,0,
Figure A200810166406D00276
, ACK, DTX/NACK}), (0,0,
Figure A200810166406D00277
, DTX/NACK, ACK}), (1,1,
Figure A200810166406D00278
, ACK, ACK}), (N/A}, and DTX/NACK, DTX/NACK}); Perhaps,
({0，1，
Figure A200810166406D00279
}，{ACK，DTX/NACK})、({1，0，
Figure A200810166406D002710
}，{DTX/NACK，ACK})、({1，1，
Figure A200810166406D002711
}，{ACK，ACK})、({N/A}，{DTX/NACK，DTX/NACK})。
Example six
When M=3, the corresponding relation of b (0), b (1), PUCCH channel indexes and descending sub frame feedback information is as follows: (b (0), b (1),
Figure A200810166406D002712
, { A 1, A 2, A 3), wherein, Ak represents the feedback information of k descending sub frame of sub-frame of uplink correspondence, k=1, and 2,3, feedback information is ACK, NACK, three kinds of states of DTX.
Above-mentioned second corresponding relation is: (1,1, , ACK, ACK, ACK}), (0,1, , ACK, ACK, NACK/DTX}), (0,1,
Figure A200810166406D002715
, ACK, NACK/DTX, ACK}), (0,0,
Figure A200810166406D002716
, ACK, NACK/DTX, NACK/DTX}), (1,0,
Figure A200810166406D00281
, NACK/DTX, ACK, ACK}), (0,0,
Figure A200810166406D00282
, NACK/DTX, ACK, NACK/DTX}), (0,0,
Figure A200810166406D00283
, NACK/DTX, NACK/DTX, ACK}), (N/A}, and NACK/DTX, NACK/DTX, NACK/DTX}); Perhaps,
({1，1，
Figure A200810166406D00284
}，{ACK，ACK，ACK})、({1，1，
Figure A200810166406D00285
}，{ACK，ACK，NACK/DTX})、({1，1，
Figure A200810166406D00286
}，{ACK，NACK/DTX，ACK})、({0，0， }，{ACK，NACK/DTX，NACK/DTX})、({1，0，
Figure A200810166406D00288
}，{NACK/DTX，ACK，ACK})、({0，0， }，{NACK/DTX，ACK，NACK/DTX})、({0，0，
Figure A200810166406D002810
}，{NACK/DTX，NACK/DTX，ACK})、({N/A}，{NACK/DTX，NACK/DTX，NACK/DTX})。
By technique scheme of the present invention, solved when M=3 the ACK/NACK message of feeding back downlink subframe exactly, the problem that causes systematic function to descend.
Example seven
When M=4, the one-to-one relationship of b (0), b (1), PUCCH channel indexes and descending sub frame feedback information is as follows: (b (0), b (1),
Figure A200810166406D002811
, { A 1, A 2, A 3, A 4), wherein, A kThe feedback information of k descending sub frame of expression sub-frame of uplink correspondence, k=1,2,3,4, wherein, feedback information is ACK, NACK, three kinds of states of DTX, promptly different b (0), b (1), Corresponding { A 1, A 2, A 3, A 4Be different, different { A 1, A 2, A 3, A 4Corresponding b (0), b (1), Also be different, wherein, DTX/NACK, DTX/NACK, DTX/NACK, DTX/NACK} is corresponding to { N/A}, table 8 show the relation between b (0) and b (1), channel indexes and the feedback information.
Relation between many ACK/NACK feedbacks of table 8 and b (0), b (1), the channel indexes
Figure A200810166406D00291
By technique scheme of the present invention, solved when M=4 the ACK/NACK message of feeding back downlink subframe exactly, the problem that causes systematic function to descend.
As mentioned above, by means of the processing method of feedback information provided by the invention, the base station is the ACK/NACK message of feeding back downlink subframe exactly, has improved the performance of system.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (18)

1. the processing method of a feedback information is characterized in that, comprising:
According to the quantity of the descending sub frame of sub-frame of uplink correspondence, set up the bit information of described descending sub frame correspondence and first corresponding relation between channel indexes;
Set up second corresponding relation one to one between the feedback information of described first corresponding relation and described descending sub frame.
2. method according to claim 1 is characterized in that, the operation of setting up described first corresponding relation comprises:
Set up { b (0), b (1) } with Between corresponding relation, wherein, first bit of the feedback information correspondence of b (0) expression descending sub frame, second bit of the feedback information correspondence of b (1) expression descending sub frame,
Figure A200810166406C00022
The channel indexes of the feedback information of i descending sub frame of expression transmission, and i=1,2,3,4.
3. method according to claim 2 is characterized in that, it is one of following that the operation of setting up described second corresponding relation comprises:
Foundation have corresponding relation { b (0), b (1) } and
Figure A200810166406C00023
With { A 1, A 2..., A kBetween described second corresponding relation, be expressed as ({ b (0), b (1) },
Figure A200810166406C00024
, { A 1, A 2..., A k); Perhaps
Foundation has corresponding relation { N/A} and { A 1, A 2..., A kBetween described second corresponding relation, be expressed as ({ N/A}, { A 1, A 2..., A k);
Wherein, { N/A} represents not send any feedback information, and k is the descending sub frame quantity of sub-frame of uplink correspondence, and its value is a natural number, A nBe the feedback information of n descending sub frame in k the descending sub frame, perhaps A nBe the feedback information of n transmission block in k the descending sub frame, n is for more than or equal to 1 and be less than or equal to the natural number of k.
4. method according to claim 3 is characterized in that, the quantity of described descending sub frame is 1 or 2.
5. method according to claim 4 is characterized in that, described feedback information comprises one of following or its combination: correctly replying is that ACK, wrong responses are that NACK, discontinuous transmission are DTX.
6. method according to claim 5 is characterized in that, is under 1 the situation in the quantity of described descending sub frame,
When adopting single transmission block to send downlink data, and b (0), b (1),
Figure A200810166406C00031
And { A 1Corresponding relation be: (0,0,
Figure A200810166406C00032
, NACK}), (1,1,
Figure A200810166406C00033
, ACK}), (N/A}, DTX});
When adopting two transmission blocks to send downlink data, { b (0), b (1) } and { A 1, A 2Corresponding relation be: (0,0,
Figure A200810166406C00034
, NACK, NACK}), (0,1,
Figure A200810166406C0003152107QIETU
, NACK, ACK}), (1,0,
Figure A200810166406C00035
, ACK, NACK}), (1,1,
Figure A200810166406C00036
, ACK, ACK}), (N/A}, and DTX, DTX}).
7. method according to claim 5 is characterized in that, is that described second corresponding relation is under 2 the situation in the quantity of described descending sub frame:
(1,0, , NACK, DTX}), (0,1,
Figure A200810166406C00038
, ACK, DTX}), (0,0,
Figure A200810166406C00039
, NACK, NACK}), (1,1,
Figure A200810166406C000310
, ACK, NACK}), (0,0,
Figure A200810166406C000311
, NACK, ACK}), (0,1, , DTX, ACK}), (1,0,
Figure A200810166406C000313
, DTX, NACK}), (1,1,
Figure A200810166406C00041
, ACK, ACK}), (N/A}, and DTX, DTX}); Perhaps,
(0,0,
Figure A200810166406C00042
, NACK, DTX}), (1,1, , ACK, DTX}), (0,1,
Figure A200810166406C00044
, NACK, NACK}), (1,0,
Figure A200810166406C00045
, ACK, NACK}), (0,0,
Figure A200810166406C00046
, NACK, ACK}), (0,1,
Figure A200810166406C00047
, DTX, ACK}), (1,0, , DTX, NACK}), (1,1,
Figure A200810166406C00049
, ACK, ACK}), (N/A}, and DTX, DTX}); Perhaps,
({1，1，
Figure A200810166406C000410
}，{NACK，DTX})、({0，0，
Figure A200810166406C000411
}，{ACK，DTX})、({1，0，
Figure A200810166406C000412
}，{NACK，NACK})、({0，1，
Figure A200810166406C000413
}，{ACK，NACK})、({0，0，
Figure A200810166406C000414
}，{NACK，ACK})、({0，1，
Figure A200810166406C000415
}，{DTX，ACK})、({1，0，
Figure A200810166406C000416
}，{DTX，NACK})、({1，1，
Figure A200810166406C000417
}，{ACK，ACK})、({N/A}，{DTX，DTX})。
8. according to each described method in the claim 1 to 7, it is characterized in that described b (0) and b (1) are the bit information of carrying under the PUCCH format 1b form.
9. method according to claim 5 is characterized in that, terminal does not receive in described descending sub frame under the data conditions, and described feedback information is DTX.
10. the processing method of a feedback information is characterized in that, comprising:
According to the quantity of the descending sub frame of sub-frame of uplink correspondence, set up the bit information of described descending sub frame correspondence and first corresponding relation between channel indexes;
Set up second corresponding relation between the feedback information of described first corresponding relation and described descending sub frame, wherein, feedback information comprises one of following or its combination: ACK, NACK/DTX, wherein, NACK/DTX is a kind of state, and NACK, DTX are corresponding to the first identical corresponding relation.
11. method according to claim 10 is characterized in that, the operation of setting up described first corresponding relation comprises:
Set up { b (0), b (1) } with
Figure A200810166406C00051
Between corresponding relation, wherein, first bit of the feedback information correspondence of b (0) expression descending sub frame, second bit of the feedback information correspondence of b (1) expression descending sub frame, The channel indexes of the feedback information of i descending sub frame of expression transmission, and i=1,2,3,4.
12. method according to claim 11 is characterized in that, it is one of following that the operation of setting up described second corresponding relation comprises:
Foundation have corresponding relation { b (0), b (1) } and
Figure A200810166406C00053
With { A 1, A 2..., A kBetween described second corresponding relation, be expressed as ({ b (0), b (1) },
Figure A200810166406C00054
, { A 1, A 2..., A k); Perhaps
Foundation has corresponding relation { N/A} and { A 1, A 2..., A kBetween described second corresponding relation, be expressed as ({ N/A}, { A 1, A 2..., A k);
Wherein, { N/A} represents not send any feedback information, and k is the descending sub frame quantity of sub-frame of uplink correspondence, and its value is a natural number, A nBe the feedback information of n descending sub frame in k the descending sub frame, n is for more than or equal to 1 and be less than or equal to the natural number of k.
13. method according to claim 11 is characterized in that, the quantity of described descending sub frame is 2,3 or 4.
14. method according to claim 13 is characterized in that, is that described second corresponding relation is under 2 the situation in the quantity of described descending sub frame:
(0,1,
Figure A200810166406C00061
, ACK, DTX/NACK}), (1,0,
Figure A200810166406C00062
, DTX/NACK, ACK}), (0,1,
Figure A200810166406C00063
, ACK, ACK}), (N/A}, and DTX/NACK, DTX/NACK}); Perhaps,
(1,0, , ACK, DTX/NACK}), (0,0,
Figure A200810166406C00065
, DTX/NACK, ACK}), (1,1,
Figure A200810166406C00066
, ACK, ACK}), (N/A}, and DTX/NACK, DTX/NACK}); Perhaps,
({0，1，
Figure A200810166406C00067
}，{ACK，DTX/NACK})、({1，0， }，{DTX/NACK，ACK})、({1，1，
Figure A200810166406C00069
}，{ACK，ACK})、({N/A}，{DTX/NACK，DTX/NACK})。
15. method according to claim 13 is characterized in that, is that described second corresponding relation is under 3 the situation in the quantity of described descending sub frame:
(1,1,
Figure A200810166406C000610
, ACK, ACK, ACK}), (0,1,
Figure A200810166406C000611
, ACK, ACK, NACK/DTX}), (0,1,
Figure A200810166406C000612
, ACK, NACK/DTX, ACK}), (0,0,
Figure A200810166406C000613
, ACK, NACK/DTX, NACK/DTX}), (1,0,
Figure A200810166406C000614
, NACK/DTX, ACK, ACK}), (0,0,
Figure A200810166406C000615
, NACK/DTX, ACK, NACK/DTX}), (0,0,
Figure A200810166406C000616
, NACK/DTX, NACK/DTX, ACK}), (N/A}, and NACK/DTX, NACK/DTX, NACK/DTX}); Perhaps,
({1，1， }，{ACK，ACK，ACK})、({1，1，
Figure A200810166406C000618
}，{ACK，ACK，NACK/DTX})、({1，1，
Figure A200810166406C000619
}，{ACK，NACK/DTX，ACK})、({0，0，
Figure A200810166406C000620
}，{ACK，NACK/DTX，NACK/DTX})、({1，0，
Figure A200810166406C000621
}，{NACK/DTX，ACK，ACK})、({0，0，
Figure A200810166406C000622
}，{NACK/DTX，ACK，NACK/DTX})、({0，0，
Figure A200810166406C00071
}，{NACK/DTX，NACK/DTX，ACK})、({N/A}，{NACK/DTX，NACK/DTX，NACK/DTX})。
16. method according to claim 13 is characterized in that, is that described second corresponding relation is under 4 the situation in the quantity of described descending sub frame:
({1，1，
Figure A200810166406C00072
}，{ACK，ACK，ACK，ACK})，({1，0，
Figure A200810166406C00073
}，{ACK，ACK，ACK，NACK/DTX})，({1，0，
Figure A200810166406C00074
}，{ACK，ACK，NACK/DTX，ACK})，({0，0，
Figure A200810166406C00075
}，{ACK，ACK，NACK/DTX，NACK/DTX})，({0，1，
Figure A200810166406C00076
}，{ACK，NACK/DTX，ACK，ACK})，({0，1，
Figure A200810166406C00077
}，{ACK，NACK/DTX，ACK，NACK/DTX})，({0，1，
Figure A200810166406C00078
}，{ACK，NACK/DTX，NACK/DTX，ACK})，({1，1，
Figure A200810166406C00079
}，{ACK，NACK/DTX，NACK/DTX，NACK/DTX})，({1，1， }，{NACK/DTX，ACK，ACK，ACK})，({1，0，
Figure A200810166406C000711
}，{NACK/DTX，ACK，ACK，NACK/DTX})，({1，0， }，{NACK/DTX，ACK，NACK/DTX，ACK})，({0，1，
Figure A200810166406C000713
}，{NACK/DTX，ACK，NACK/DTX，NACK/DTX})，({1，1， }，{NACK/DTX，NACK/DTX，ACK，ACK})，({0，0，
Figure A200810166406C000715
}，{NACK/DTX，NACK/DTX，ACK，NACK/DTX})，({0，0，
Figure A200810166406C000716
}，{NACK/DTX，NACK/DTX，NACK/DTX，ACK})，({N/A}，{DTX/NACK，DTX/NACK，DTX/NACK，DTX/NACK})。
17., it is characterized in that described b (0) and b (0) are the bit information of carrying under the PUCCH format 1b form according to each described method in the claim 10 to 16.
18., it is characterized in that terminal does not receive in described descending sub frame under the data conditions according to each described method in the claim 10 to 16, described feedback information is DTX.
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