CN102223219A - Feedback processing method and system for HARQ (Hybrid Automatic Repeat Request) -ACK (Acknowledge Character) - Google Patents
Feedback processing method and system for HARQ (Hybrid Automatic Repeat Request) -ACK (Acknowledge Character) Download PDFInfo
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
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Abstract
The invention discloses a feedback processing method and system for HARQ(Hybrid Automatic Repeat Request)-ACK (Acknowledge Character). The method comprises the following steps that when the UE (user equipment) is provided with a plurality of service districts, the uplink subframe and the downlink subframe is configured as 1 or 6 and the size of the tying window is 1, the substation sends 0 and/or 4 in the form of DCI to the UE, wherein the two bit downlink allocation index (DAI) information of 0 and/or 4 in the form of DCI is used for indicating the downlink scheduling situation of the current subframe; and the UE determines the HARQ-ACK bit sequence and/or determines the RE number occupied by the HARQ-ACK bit sequence according to the DAI information. The method and the system achieve the effect that the size and the occupied resource unit of the HARQ-ACK bit sequence meets the practical requirement.
Description
Technical field
The present invention relates to the communications field, in particular to the feedback method for treating and the system of a kind of mixing automatic retransfer response message (HARQ Acknowledgement abbreviates HARQ-ACK as).
Background technology
Mixing in automatic request retransmission (Hybrid Automatic Repeat Request the abbreviates HARQ as) mode, the code word that transmitting terminal sends not only can error detection, also has certain error correcting capability.The decoder of receiving terminal receives after the code word, at first checks error situation, if it in the error correcting capability of code word, then carries out error correction automatically; If wrong a lot, surpassed the error correcting capability of code word, come out but still can detect mistake, then receiving terminal sends 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, by HARQ response message (HARQ Acknowledgement, abbreviate HARQ-ACK as) feed back to the base station, need to judge whether to retransmit with this, when the HARQ-ACK response message that feeds back to the base station was ACK, the expression receiving terminal had correctly received information; When the HARQ-ACK response message that feeds back to the base station is NACK, represent that then receiving terminal receives mistake, needs the base station to retransmit.
At Long Term Evolution (Long Term Evolution, abbreviate LTE as, its pairing standard agreement is Rel-8/9) in the system, the HARQ-ACK response message can be gone control channel (Phyasical Uplink Control Channel physically, abbreviate PUCCH as) upward send separately, the shared channel (Phyasical Uplink Shared Channel abbreviates PUSCH as) of also can going is physically gone up and is sent with data.
At time division duplex (Time Division Duplex, abbreviate TDD as) in the system, because ascending-descending subframes is not one to one, that is to say, the ACK/NACK response message of a plurality of descending sub frame correspondences need send on the PUCCH/PUSCH of sub-frame of uplink channel, and wherein binding window (bundling window) has been formed in the set of the descending sub frame of sub-frame of uplink correspondence.In LTE TDD, two kinds of HARQ-ACK feedback models have been defined: a kind of HARQ-ACK of being binding (HARQ-ACK bundling), as shown in Figure 1, the basic thought of this feedback model is to carry out logic and operation in the HARQ-ACK message of the streams of code words of each descending sub frame correspondence of this sub-frame of uplink feedback, if when the PDSCH of descending sub frame emission comprises 2 streams of code words, subscriber equipment (User Equipment, abbreviate UE as) to feed back the HARQ-ACK response message corresponding to 2 bits of each streams of code words of having passed through the operation of subframe logical AND, if the PDSCH of each subframe emission all has only a streams of code words, then UE will feed back the HARQ-ACK response message corresponding to 1 bit of this streams of code words of having passed through the operation of subframe logical AND, when UE when current subframe does not have PUSCH to send, UE will adopt form 1a/1b to send the HARQ-ACK response message of this 1/2 bit on PUCCH; And when UE when current subframe has PUSCH to send, then UE, sends this 1/2 bit information then through certain chnnel coding, channel interleaving and data multiplex together on PUSCH.Another kind is HARQ-ACK multiplexing (HARQ-ACK multiplexing) feedback model, as shown in Figure 2, this feedback model need be HARQ-ACK response message of each descending sub frame feedback, a plurality of subframes then need to feed back a plurality of HARQ-ACK response messages, and when the PDSCH of certain descending sub frame emission comprises 2 streams of code words, earlier the HARQ-ACK response message of each streams of code words is carried out the logical AND operation, finally the only corresponding HARQ-ACK response message of each descending sub frame.When UE when current subframe does not have PUSCH to send, UE will adopt form 1b combined channel to select the mode of (format 1b with channel selection) to send this a plurality of HARQ-ACK response messages on PUCCH, and the core concept of this method is exactly to utilize on different PUCCH channels and this channel different modulation symbols to represent different HARQACK response messages.This method makes portable HARQ-ACK response message can reach 4 bits at most by the mode of channel selection in conjunction with control channel form 1b.When LTE has defined different sub-frame configuration, ascending-descending subframes configuration just was respectively the mapping relations table (abbreviation mapping table) between 2 bit information b (0) b (1) that carry on the PUCCH channel of the combinations of states of ACK/NACK response message and selection and this channel at 1: 2/3/4 o'clock.When UE when current subframe has PUSCH to send, whether UE has corresponding PDCCH schedule information to carry out the transmission of HARQ-ACK response message according to current PUSCH further: when PUSCH has corresponding PDCCH, UE is according to Downlink Control Information (the Downlink Control Information of PDCCH correspondence, abbreviate DCI as) descending distribution indication (the Downlink Assignment Indicator of lining, abbreviate DAI as, DAI in the DCI relevant with PUSCH is called up DAI) size of bit sequence when information determines that the HARQ-ACK response message sends on PUSCH, and the position of HARQ-ACK response message in the middle of the bit sequence of feedback of determining corresponding descending sub frame correspondence according to the DAI in the DCI of PDSCH correspondence (the DAI here is called descending DAI); When PUSCH does not have corresponding PDCCH, the size of the bit sequence when UE disposes to determine that the HARQ-ACK response message sends on PUSCH according to current ascending-descending subframes, and according to the sub-frame of uplink ordinal relation corresponding with descending sub frame determine the corresponding HARQ-ACK response message of corresponding descending sub frame the feedback bit sequence in the middle of the position; The HARQ-ACK bit sequence that these need be fed back carries out chnnel coding then, and channel interleaving and data multiplex send on PUSCH together at last.
Wherein, what above-mentioned up DAI represented is to bind the PDSCH that sends in the window and be used to indicate semi-continuous scheduling (semi-persisitent Scheduling, abbreviate SPS as) sum of the PDCCH that discharges is the sum that is accumulated to the detected PDCCH of current subframe UE and descending DAI represents.Up DAI and descending DAI represent with 2 bits that all the bit that it is corresponding and the corresponding meaning of expression are as shown in table 1.
The value of the descending allocation index of table 1
It still is that HARQ-ACK mulitplexing feeds back HARQ-ACK and disposed by high-level signaling that the UE of TDD adopts HARQ-ACK bundling.
In order to satisfy (the International Telecommunication Union-Advanced of senior International Telecommunications Union, abbreviate ITU-Advanced as) requirement, senior Long Term Evolution (Long Term Evolution Advanced as the evolution standard of LTE, abbreviate LTE-A as, its corresponding standard agreement is Rel-10) system need support bigger system bandwidth (reaching as high as 100MHz), and need the existing standard of backward compatibility LTE.On the basis of prior LTE system, the bandwidth of LTE system can be merged and obtain bigger bandwidth, this technology is called carrier aggregation (Carrier Aggregation, abbreviate CA as) technology, this technology can improve senior international mobile communication (International Mobile Telecommunication, abbreviating IMT-Advance as) availability of frequency spectrum of system, to alleviate frequency spectrum resource in short supply, and then optimize the utilization of frequency spectrum resource.
In the system that has introduced carrier aggregation, the carrier wave that carries out polymerization is called component carrier (Component Carrier abbreviates CC as), is also referred to as a Serving cell (Serving Cell).Simultaneously, principal component carrier wave/sub-district (Primary Component Carrier/Cell has also been proposed, abbreviate PCC/PCell as) and auxilliary component carrier/sub-district (Secondary Component Carrier/Cell, abbreviate SCC/SCell as) notion, in the system that has carried out carrier aggregation, at least comprise a main Serving cell and auxilliary Serving cell, wherein, main Serving cell is in state of activation always.
When LTE-A has adopted carrier aggregation technology, if being UE, the base station disposed a plurality of descending Serving cells, then UE need feed back the HARQ-ACK response message of these a plurality of descending Serving cell corresponding codewords streams.In LTE-A, when on the HARQ-ACK response message is gone control channel physically, sending, two kinds of feedback systems have been defined: the feedback system that adopts PUCCH format 1b combined channel to select (Format 1b with channel selection) and expand OFDM (DFT-s-OFDM) based on discrete Fourier transform (DFT).Because the channel architecture based on the feedback system of DFT-s-OFDM is all different with PUCCH format1/1a/1b/2/2a/2b, thereby in existing LTE-A agreement, this structure is called as PUCCH form 3 (PUCCH format 3).When sending on the HARQ-ACK response message is gone shared channel physically, UE need determine the HARQ-ACK bit sequence that sends according to the ratio of uplink subframe to downlink subframe (at the TDD system) of the transmission mode of the Serving cell number of the polymerization of configuration, configuration service sub-district, configuration on PUSCH.Be configured to 1～6 for LTE-A TDD ascending-descending subframes, when UE has disposed a plurality of Serving cell, in Downlink Control Information DCI form 0 and 4, designed the 2bit signaling as descending allocation index
When being used for UE and on PUSCH, sending HARQ-ACK, determine the size of HARQ-ACK bit sequence.
Value is as shown in table 2.
Table 2.
Value
Introduce
The main purpose of coming the size of definite HARQ-ACK bit sequence that feeds back is to allow UE carry out the HARQ-ACK feedback according to the situation (rather than configuration) of base station actual schedule as much as possible, with the number of bits of feedback that reduces HARQ-ACK (when the ratio configuration of actual schedule little the time), thereby shared Resource Unit (Resource Element when reducing HARQ-ACK and on PUSCH, sending, abbreviate RE as) number, and then reduce the influence that the performance of PUSCH is caused because HARQ-ACK sends on PUSCH.
In current LTE-A system, when having only individual single codeword flow transmission, shared RE counted Q ' and can use following formula to calculate when HARQ-ACK sent on PUSCH:
Wherein, O is the HARQ-ACK bit number,
Be the PUSCH bandwidth number of sub carrier wave of transmission block place subframe scheduling,
Be the subframe number of symbols of initial transmission PUSCH on the respective transmissions subframe, and
C and K
rScheduling PDCCH by the same transmission correspondence obtains,
It is power contorl parameters.
When the dicode word transmitted, shared RE counted Q ' and can use following formula to calculate when HARQ-ACK sent on PUSCH:
Wherein,
Subscript in the above-mentioned formula (1) and (2) are represented first and second transmission block respectively.
But, be 1 situation for binding window size,
Value can not reflect the situation of base station actual schedule really, thereby the size that makes the HARQ-ACK bit sequence that UE sends big than base station actual needs feedback.For instance, UE has disposed 2 Serving cells, and two Serving cells all are configured to the downlink transfer pattern of two streams of code words, then according to the regulation of correlation technique, when UE feeds back HARQ-ACK on PUSCH, UE will need to send the HARQ-ACK of 4 bits, but in fact, at some constantly, eNB may only dispatch some Serving cells, and this moment, eNB only needed the HARQ-ACK feedback of 2 bits, but UE still feeds back according to 4 bit HARQ-ACK, that is to say that there is redundant information in the HARQ-ACK of UE feedback.Therefore, in order to determine the size of HARQ-ACK bit sequence more accurately, the influence that when sending on PUSCH to reduce HARQ-ACK PUSCH is caused is 1 configuration for binding window, and is improved
Definite method of design and HARQ-ACK bit sequence size is necessary.
Summary of the invention
Main purpose of the present invention is to provide the feedback processing scheme of a kind of HARQ-ACK, is 1 situation to solve in the correlation technique for binding window size, and the size of the HARQ-ACK bit sequence that UE sends is than the big problem of base station actual needs feedback.
According to an aspect of the present invention, the feedback method for treating of a kind of HARQ-ACK is provided, comprise: when UE has disposed a plurality of Serving cells, ascending-descending subframes is configured to 1 or 6, and binding window size is 1 o'clock, the base station sends DCI form 0 and/or 4 to UE, and wherein, the descending distribution indication of the dibit in the DCI form 0 and/or 4 DAI information is used to indicate the descending scheduling situation of current subframe; UE determines the HARQ-ACK bit sequence and/or the shared RE number of definite HARQ-ACK bit sequence that feed back on PUSCH according to DAI information.
According to a further aspect in the invention, the feedback processing system of a kind of HARQ-ACK is provided, comprise: the base station, be used for having disposed a plurality of Serving cells when user equipment (UE), ascending-descending subframes is configured to 1 or 6, and binding window size is 1 o'clock, sends DCI form 0 and/or 4 to UE, wherein, the descending distribution indication of the dibit in the DCI form 0 and/or 4 DAI information is used to indicate the descending scheduling situation of current subframe; UE is used for determining the HARQ-ACK bit sequence and/or the shared RE number of definite HARQ-ACK bit sequence that feed back according to DAI information on PUSCH.
By the present invention, adopt the base station that the descending scheduling situation is informed UE, UE counts mode according to HARQ-ACK bit sequence that feeds back and/or the shared RE of definite HARQ-ACK bit sequence that this scheduling situation is determined again on PUSCH, having solved in the correlation technique for binding window size is 1 situation, the size of the HARQ-ACK bit sequence that UE sends is than the big problem of base station actual needs feedback, and then reached the size of the HARQ-ACK bit sequence that UE sends and the effect that shared Resource Unit corresponds to actual needs.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram according to the HARQ-ACK bundling pattern of correlation technique;
Fig. 2 is according to the schematic diagram under the HARQ-ACK multiplexing pattern of correlation technique;
Fig. 3 is the flow chart according to the feedback method for treating of the HARQ-ACK of the embodiment of the invention;
Fig. 4 is the schematic diagram according to a kind of UE feedback HARQ-ACK of the embodiment of the invention two;
Fig. 5 is the schematic diagram according to the another kind of UE feedback HARQ-ACK of the embodiment of the invention two;
Fig. 6 is the schematic diagram according to another UE feedback HARQ-ACK of the embodiment of the invention two;
Fig. 7 is the schematic diagram according to another UE feedback HARQ-ACK of the embodiment of the invention two;
Fig. 8 is the schematic diagram according to a kind of UE feedback HARQ-ACK of the embodiment of the invention three;
Fig. 9 is the schematic diagram according to the another kind of UE feedback HARQ-ACK of the embodiment of the invention three;
Figure 10 is the schematic diagram according to another UE feedback HARQ-ACK of the embodiment of the invention three;
Figure 11 is the schematic diagram according to another UE feedback HARQ-ACK of the embodiment of the invention three;
Figure 12 is the schematic diagram according to a kind of UE feedback HARQ-ACK of the embodiment of the invention four;
Figure 13 is the schematic diagram according to the another kind of UE feedback HARQ-ACK of the embodiment of the invention four;
Figure 14 is the schematic diagram according to another UE feedback HARQ-ACK of the embodiment of the invention four;
Figure 15 is the schematic diagram according to another UE feedback HARQ-ACK of the embodiment of the invention four;
Figure 16 is the schematic diagram according to a kind of UE feedback HARQ-ACK of the embodiment of the invention five;
Figure 17 is the schematic diagram according to the another kind of UE feedback HARQ-ACK of the embodiment of the invention five;
Figure 18 is the schematic diagram according to another UE feedback HARQ-ACK of the embodiment of the invention five;
Figure 19 is the schematic diagram according to another UE feedback HARQ-ACK of the embodiment of the invention five;
Figure 20 is the schematic diagram according to a kind of UE feedback HARQ-ACK of the embodiment of the invention six;
Figure 21 is the schematic diagram according to a kind of UE feedback HARQ-ACK of the embodiment of the invention seven;
Figure 22 is the schematic diagram according to a kind of UE feedback HARQ-ACK of the embodiment of the invention eight;
Figure 23 is the flow chart according to the feedback processing system of the HARQ-ACK of the embodiment of the invention.
Embodiment
Hereinafter will describe the present invention with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Embodiment one
The embodiment of the invention discloses the feedback method for treating of a kind of HARQ-ACK, this method can be used for the system at LTE-A TDD, and Fig. 3 is the flow chart according to the feedback method for treating of the HARQ-ACK of the embodiment of the invention, and as shown in Figure 3, this method comprises:
Step S302, when UE has disposed a plurality of Serving cells, ascending-descending subframes is configured to 1 or 6, and binding window size is 1 o'clock, the base station sends DCI form 0 and/or 4 to UE, and wherein, the dibit DAI information in the DCI form 0 and/or 4 is used to indicate the descending scheduling situation of current subframe;
Step S304, UE determine the HARQ-ACK bit sequence and/or the shared RE number of definite HARQ-ACK bit sequence that feed back on PUSCH according to DAI information.
In the present embodiment, UE is informed with the descending scheduling situation in the base station, HARQ-ACK bit sequence that on PUSCH, feeds back and/or the shared RE number of definite HARQ-ACK bit sequence that UE determines according to this scheduling situation again, thereby make the size and the shared Resource Unit of the HARQ-ACK bit sequence that UE sends correspond to actual needs, can not exceed the feedback of base station actual needs.
Wherein, step S304 can have multiple implementation, for example, can comprise following several mode:
Mode one
When the HARQ-ACK feedback model of configuration is that channel is selected and the transmission mode of 2 descending Serving cells of configuration when being dicode word streaming mode, step S304 can comprise:
When DAI information was A, UE determined that the size of HARQ-ACK bit sequence is 4, and definite bit sequence is
Wherein,
The HARQ-ACK response message of corresponding main Serving cell,
The HARQ-ACK response message of corresponding auxilliary Serving cell; And/or UE uses O=4 to calculate the RE number; Wherein, above-mentioned 2 descending Serving cells comprise main Serving cell and auxilliary Serving cell;
When DAI information was B, UE determined that the size of HARQ-ACK bit sequence is 2, and definite bit sequence is
Wherein,
The HARQ-ACK response message of corresponding main Serving cell; And/or UE uses O=2 to calculate the RE number;
When DAI information was C, UE determined that the size of HARQ-ACK bit sequence is 2, and definite bit sequence is
Wherein,
The HARQ-ACK response message of corresponding auxilliary Serving cell; And/or UE uses O=2 to calculate the RE number;
When DAI information was D, UE did not send the HARQ-ACK response message on PUSCH, and UE determines that the size of HARQ-ACK bit sequence and/or RE number are 0.
Mode two
When the HARQ-ACK feedback model of configuration is that channel is selected and the transmission mode of 2 descending Serving cells of configuration when being the single codeword streaming mode, step S304 can comprise:
When DAI information was A, UE determined that the size of HARQ-ACK bit sequence is 2, and definite bit sequence is
Wherein,
The HARQ-ACK response message of corresponding main Serving cell,
The HARQ-ACK response message of corresponding auxilliary Serving cell; And/or UE uses O=2 to calculate the RE number; Wherein, 2 descending Serving cells comprise main Serving cell and auxilliary Serving cell;
When DAI information was B, UE determined that the size of HARQ-ACK bit sequence is 1, and definite bit sequence is
Wherein,
The HARQ-ACK response message of corresponding main Serving cell; And/or UE uses O=1 to calculate the RE number;
When DAI information was C, UE determined that the size of HARQ-ACK bit sequence is 1, and definite bit sequence is
Wherein,
The HARQ-ACK response message of corresponding auxilliary Serving cell; And/or UE uses O=1 to calculate the RE number;
When DAI information was D, UE did not send the HARQ-ACK response message on PUSCH, and UE determines that the size of HARQ-ACK bit sequence and/or RE number are 0.
Mode three
When the HARQ-ACK feedback model of configuration be channel select and 2 descending Serving cells of configuration in the transmission mode of main Serving cell be dicode word streaming mode, when the transmission mode of the auxilliary Serving cell in 2 descending Serving cells was the single codeword streaming mode, step S304 can comprise:
When DAI information was A, UE determined that the size of HARQ-ACK bit sequence is 3, and definite bit sequence is
Wherein,
The HARQ-ACK response message of corresponding main Serving cell,
The HARQ-ACK response message of corresponding auxilliary Serving cell; And/or UE uses O=3 to calculate the RE number;
When DAI information was B, UE determined that the size of HARQ-ACK bit sequence is 2, and definite bit sequence is
Wherein,
The HARQ-ACK response message of corresponding main Serving cell; And/or UE uses O=2 to calculate the RE number;
When DAI information was C, UE determined that the size of HARQ-ACK bit sequence is 1, and definite bit sequence is
Wherein,
The HARQ-ACK response message of corresponding auxilliary Serving cell; And/or UE uses O=1 to calculate the RE number;
When DAI information was D, UE did not send the HARQ-ACK response message on PUSCH, and UE determines that the size of HARQ-ACK bit sequence and/or RE number are 0.
Mode four
When the HARQ-ACK feedback model of configuration be channel select and 2 descending Serving cells of configuration in the transmission mode of main Serving cell be the single codeword streaming mode, when the transmission mode of the auxilliary Serving cell in 2 descending Serving cells was dicode word streaming mode, step S304 can comprise:
When DAI information was A, UE determined that the size of HARQ-ACK bit sequence is 3, and definite bit sequence is
Wherein,
The HARQ-ACK response message of corresponding main Serving cell,
The HARQ-ACK response message of corresponding auxilliary Serving cell; And/or UE uses O=3 to calculate the RE number;
When DAI information was B, UE determined that the size of HARQ-ACK bit sequence is 1, and definite bit sequence is
Wherein,
The HARQ-ACK response message of corresponding main Serving cell; And/or UE uses O=1 to calculate the RE number;
When DAI information was C, UE determined that the size of HARQ-ACK bit sequence is 2, and definite bit sequence is
Wherein,
The HARQ-ACK response message of corresponding auxilliary Serving cell; And/or UE uses O=2 to calculate the RE number;
When DAI information was D, UE did not send the HARQ-ACK response message on PUSCH, and UE determines that the size of HARQ-ACK bit sequence and/or RE number are 0.
Mode five
When the HARQ-ACK feedback model of configuration when being PUCCH form 3, step S304 can comprise: UE determines that the HARQ-ACK bit sequence is the HARQ-ACK response message of the corresponding streams of code words correspondence of descending Serving cell of the configuration bit sequence according to the cascade from low to high of descending Serving cell index; And/or UE determines O according to descending allocation index, and uses O to calculate the RE number.
By the way, can determine appropriate H ARQ-ACK bit sequence according to actual conditions.
Wherein, in mode five, UE determines that according to descending allocation index O can comprise:
Wherein,
Be the value of determining according to DAI information.
Preferably, when DAI information is A,
Value is 1 or 5; When DAI information is B,
Value is 2; When DAI information is C,
Value is 3; When DAI information is D,
Value is 4 or 0.By this embodiment, can pass through the DAI information acquisition easily
Value.
In an optimal way of the embodiment of the invention, when DAI information is A,, code word fluxion that UE receives in current subframe and semi-continuous scheduling surpass 2 if discharging the sum of DCI form SPS Release DCI Format, and then UE determines
Otherwise UE determines
In another optimal way of the embodiment of the invention, when DAI information was D, if UE does not receive Physical Downlink Shared Channel and SPS Release DCI Format in current subframe, then UE determined
Otherwise UE determines
Wherein, A, B, C and D are one of them in the binary number of 2 bits, and A, B, C and D are unequal mutually.
Preferably, when the base station sends one or more DCI forms 0 and/or 4 to UE on subframe, the value of the DAI information in these one or more DCI forms is identical.
Preferably, when UE received one or more DCI forms 0 and/or 4 on subframe, UE supposed that the value of the DAI information in these one or more DCI forms is identical.
Implementation procedure to the embodiment of the invention is elaborated with reference to the accompanying drawings.
Embodiment two to embodiment five relates to the sending method of a kind of correct and wrong answer in a kind of tdd systems that adopts carrier aggregation technology.The embodiment of the invention at be in the LTE-TDD system, ascending-descending subframes is configured to 1 or 6, and when binding window size was 1, UE fed back the scene of HARQ-ACK response message on PUSCH.
When the HARQ-ACK of UE feedback model is configured to the channel selection, the base station sends to the descending distribution of the dibit in Downlink Control Information DCI form 0 and/or 4 (DAI) information of indicating of UE and indicates the descending scheduling situation of current subframe, perhaps, the corresponding HARQ-ACK feedback of indication UE, concrete condition is as shown in the table:
Table 3
Perhaps,
Table 4
Wherein, A, B, C and D can be ' 00 ', ' 01 ', ' C and D are different for any in 10 ' ' 11 ', and A, B.
Embodiment two
Present embodiment is applicable to that the downlink transfer pattern of main Serving cell and auxilliary Serving cell is the situation of dicode word streaming mode, uses following mode to determine HARQ-ACK bit sequence and/or the shared RE number of this HARQ-ACK bit sequence that feeds back on PUSCH in this situation.
As shown in Figure 4, when the descending distribution indication information of above-mentioned dibit was A, UE determined that the size of the HARQ-ACK bit sequence that feeds back is 4 on PUSCH, and bit sequence is
Wherein,
The HARQ-ACK response message of corresponding main Serving cell,
The HARQ-ACK response message of corresponding auxilliary Serving cell; When counting, uses the shared RE of HARQ-ACK bit sequence that UE feeds back O=4 on calculating PUSCH.
As shown in Figure 5, when the descending distribution indication information of above-mentioned dibit was B, UE determined that the size of the HARQ-ACK bit sequence that feeds back is 2 on PUSCH, and bit sequence is
Wherein,
The HARQ-ACK response message of corresponding main Serving cell; When counting, uses the shared RE of HARQ-ACK bit sequence that UE feeds back O=2 on calculating PUSCH.
As shown in Figure 6, when the descending distribution indication information of above-mentioned dibit was C, UE determined that the size of the HARQ-ACK bit sequence that feeds back is 2 on PUSCH, and bit sequence is
Wherein,
The HARQ-ACK response message of corresponding auxilliary Serving cell; When counting, uses the shared RE of HARQ-ACK bit sequence that UE feeds back O=2 on calculating PUSCH.
As shown in Figure 7, when the descending distribution indication information of above-mentioned dibit was D, UE need not send the HARQ-ACK response message on PUSCH.
Embodiment three
Present embodiment is applicable to that the downlink transfer pattern of main Serving cell and auxilliary Serving cell is the situation of single codeword streaming mode, uses following mode to determine HARQ-ACK bit sequence and/or the shared RE number of this HARQ-ACK bit sequence that feeds back on PUSCH in this situation.
As shown in Figure 8, when the descending distribution indication information of above-mentioned dibit was A, UE determined that the size of the HARQ-ACK bit sequence that feeds back is 2 on PUSCH, and bit sequence is
Wherein,
The HARQ-ACK response message of corresponding main Serving cell,
The HARQ-ACK response message of corresponding auxilliary Serving cell; When counting, uses the shared RE of HARQ-ACK bit sequence that UE feeds back O=2 on calculating PUSCH.
As shown in Figure 9, when the descending distribution indication information of above-mentioned dibit was B, UE determined that the size of the HARQ-ACK bit sequence that feeds back is 1 on PUSCH, and bit sequence is
Wherein,
The HARQ-ACK response message of corresponding main Serving cell; When counting, uses the shared RE of HARQ-ACK bit sequence that UE feeds back O=1 on calculating PUSCH.
As shown in figure 10, when the descending distribution indication information of above-mentioned dibit was C, UE determined that the size of the HARQ-ACK bit sequence that feeds back is 1 on PUSCH, and bit sequence is
Wherein,
The HARQ-ACK response message of corresponding auxilliary Serving cell; When counting, uses the shared RE of HARQ-ACK bit sequence that UE feeds back O=1 on calculating PUSCH.
As shown in figure 11, when the descending distribution indication information of above-mentioned dibit was D, UE need not send the HARQ-ACK response message on PUSCH.
Embodiment four
Present embodiment is applicable to the transmission mode of main Serving cell downlink transfer pattern configurations for two streams of code words, and auxilliary Serving cell downlink transfer pattern configurations is the situation of the transmission mode of single codeword stream, uses following mode to determine HARQ-ACK bit sequence and/or the shared RE number of this HARQ-ACK bit sequence that feeds back on PUSCH in this situation.
As shown in figure 12, when the descending distribution indication information of above-mentioned dibit was A, UE determined that the size of the HARQ-ACK bit sequence that feeds back is 3 on PUSCH, and bit sequence is
Wherein
The HARQ-ACK response message of corresponding main Serving cell,
The HARQ-ACK response message of corresponding auxilliary Serving cell; When counting, uses the shared RE of HARQ-ACK bit sequence that UE feeds back O=3 on calculating PUSCH.
As shown in figure 13, when the descending distribution indication information of above-mentioned dibit was B, UE determined that the size of the HARQ-ACK bit sequence that feeds back is 2 on PUSCH, and bit sequence is
Wherein,
The HARQ-ACK response message of corresponding main Serving cell; When counting, uses the shared RE of HARQ-ACK bit sequence that UE feeds back O=2 on calculating PUSCH.
As shown in figure 14, when the descending distribution indication information of above-mentioned dibit was C, UE determined that the size of the HARQ-ACK bit sequence that feeds back is 1 on PUSCH, and bit sequence is
Wherein,
The HARQ-ACK response message of corresponding auxilliary Serving cell; When counting, uses the shared RE of HARQ-ACK bit sequence that UE feeds back O=1 on calculating PUSCH.
As shown in figure 15, when the descending distribution indication information of above-mentioned dibit was D, UE need not send the HARQ-ACK response message on PUSCH.
Embodiment five
Present embodiment is applicable to that main Serving cell downlink transfer pattern configurations is the transmission mode of single codeword stream, and the situation that auxilliary Serving cell downlink transfer pattern configurations is the transmission mode of two streams of code words uses following mode to determine HARQ-ACK bit sequence and/or the shared RE number of this HARQ-ACK bit sequence that feeds back on PUSCH in this situation.
As shown in figure 16, when the descending distribution indication information of above-mentioned dibit was A, UE determined that the size of the HARQ-ACK bit sequence that feeds back is 3 on PUSCH, and bit sequence is
Wherein
The HARQ-ACK response message of corresponding main Serving cell,
The HARQ-ACK response message of corresponding auxilliary Serving cell; When counting, uses the shared RE of HARQ-ACK bit sequence that UE feeds back O=3 on calculating PUSCH.
As shown in figure 17, when the descending distribution indication information of above-mentioned dibit was B, UE determined that the size of the HARQ-ACK bit sequence that feeds back is 1 on PUSCH, and bit sequence is
Wherein,
The HARQ-ACK response message of corresponding main Serving cell; When counting, uses the shared RE of HARQ-ACK bit sequence that UE feeds back O=1 on calculating PUSCH.
As shown in figure 18, when the descending distribution indication information of above-mentioned dibit was C, UE determined that the size of the HARQ-ACK bit sequence that feeds back is 2 on PUSCH, and bit sequence is
Wherein,
The HARQ-ACK response message of corresponding auxilliary Serving cell; When counting, uses the shared RE of HARQ-ACK bit sequence that UE feeds back O=2 on calculating PUSCH.
As shown in figure 19, when the descending distribution indication information of above-mentioned dibit was D, UE need not send the HARQ-ACK response message on PUSCH.
Embodiment six to eight is applied to following scene: when the HARQ-ACK of UE feedback model is configured to PUCCH form 3, the HARQ-ACK bit sequence that UE feeds back on PUSCH is the bit sequence that the HARQ-ACK response message of the corresponding streams of code words correspondence of descending Serving cell of configuration cascades up from low to high according to descending Serving cell index, and the O that the shared RE of HARQ-ACK bit sequence that UE feeds back on calculating PUSCH uses when counting is determined by descending allocation index.
The O that uses when wherein, the shared RE of HARQ-ACK bit sequence that feeds back on calculating PUSCH of UE counts is determined and can be comprised by descending allocation index:
Wherein,
Be the value of descending distribution indication information, shown in its table specific as follows:
Table 5
Wherein A, B, C and D are any in 00,01,10 and 11, and different.
When the descending distribution indication information of 2 bits that receive during for " A ", if code word fluxion that UE receives in current subframe and the sum of SPS Release DCI Format surpass 2, then UE gets
Otherwise,
When the descending distribution indication information of 2 bits that receive was " D ", if UE does not receive Physical Downlink Shared Channel and SPS Release DCI Format in current subframe, then UE got
Otherwise,
Embodiment six
As shown in figure 20, the base station has disposed 3 Serving cells to UE, and wherein, main Serving cell is configured to the transmission mode of two streams of code words, and two assistant service cell configuration are dicode word streaming mode.
The HARQ-ACK bit sequence that UE feeds back on PUSCH is the bit sequence that the HARQ-ACK response message of the corresponding streams of code words correspondence of descending Serving cell of configuration cascades up from low to high according to descending Serving cell index, that is,
The corresponding relation of the HARQ-ACK response message on bit sequence and the Serving cell corresponding codewords stream as shown in figure 20.
Suppose that current base station all dispatches on the Serving cell of configuration, then the base station will be changed to C to descending distribution indication information, and the O value that the shared RE of HARQ-ACK bit sequence that UE feeds back on calculating PUSCH uses when counting is:
Embodiment seven
As shown in figure 21, the Serving cell of configuration and the transmission mode of Serving cell are identical with embodiment six, and current scheduling situation that different is is different.
Because the HARQ-ACK bit sequence that UE sends on PUSCH is to determine according to the Serving cell of configuration and corresponding transmission mode, therefore, the HARQ-ACK bit sequence of UE feedback is identical with embodiment six, that is to say that this bit sequence is
HARQ-ACK corresponding relation on bit sequence and the Serving cell corresponding codewords stream as shown in figure 21.
Suppose that current base station only dispatched main Serving cell and auxilliary Serving cell 2, then the base station will be configured to B to descending distribution indication information, and at this moment, the O value that the shared RE of HARQ-ACK bit sequence that UE feeds back on calculating PUSCH uses when counting is:
Embodiment eight
As shown in figure 22, the Serving cell of configuration and the transmission mode of Serving cell are identical with embodiment six, and current scheduling situation that different is is different.
Because the HARQ-ACK bit sequence that UE sends on PUSCH is to determine according to the Serving cell of configuration and corresponding transmission mode, therefore, the HARQ-ACK bit sequence of UE feedback is identical with embodiment six, is
HARQ-ACK corresponding relation on bit sequence and the Serving cell corresponding codewords stream as shown in figure 22.
Suppose that current base station only dispatched main Serving cell, then the base station will be configured to A to descending distribution indication information, because current UE receives only the code word fluxion of autonomous Serving cell to be no more than 2, then UE will
Value be changed to 1, the O value that the shared RE of HARQ-ACK bit sequence that UE feeds back on calculating PUSCH uses when counting is:
From embodiment seven and embodiment eight as can be seen, when the Serving cell of configuration is not all dispatched, the shared RE number of HARQ-ACK bit sequence when the base station can be distributed indication information to adjust UE to feed back HARQ-ACK on PUSCH by configurating downlink, the influence that when on PUSCH, sending PUSCH is caused to reduce HARQ-ACK.
Embodiment nine
The embodiment of the invention provides the feedback processing system of a kind of HARQ-ACK, and this system can be used for realizing the method for the foregoing description one to eight.
Figure 23 is the flow chart according to the feedback processing system of the HARQ-ACK of the embodiment of the invention, as shown in figure 23, this system comprises: base station 2302, be used for having disposed a plurality of Serving cells as UE 2304, ascending-descending subframes is configured to 1 or 6, and binding window size is 1 o'clock, sends DCI forms 0 and/or 4 down to UE 2304, wherein, the descending distribution indication of the dibit in the DCI form 0 and/or 4 DAI information is used to indicate the descending scheduling situation of current subframe; UE 2304, are coupled to base station 2302, are used for determining the HARQ-ACK bit sequence and/or the shared RE number of definite HARQ-ACK bit sequence that feed back according to DAI information on PUSCH.
In the present embodiment, UE is informed with the descending scheduling situation in the base station, HARQ-ACK bit sequence that on PUSCH, feeds back and/or the shared RE number of definite HARQ-ACK bit sequence that UE determines according to this scheduling situation again, thereby make the size and the shared Resource Unit of the HARQ-ACK bit sequence that UE sends correspond to actual needs, can not exceed the feedback of base station actual needs.
When the HARQ-ACK feedback model of configuration is that channel is selected and the transmission mode of 2 descending Serving cells of configuration when being dicode word streaming mode, UE 2304 can be used to realize following operation:
When DAI information was A, UE 2304 determined that the size of HARQ-ACK bit sequence is 4, and definite bit sequence is
Wherein,
The HARQ-ACK response message of corresponding main Serving cell,
The HARQ-ACK response message of corresponding auxilliary Serving cell; And/or UE 2304 uses O=4 to calculate the RE number; Wherein, above-mentioned 2 descending Serving cells comprise main Serving cell and auxilliary Serving cell;
When DAI information was B, UE 2304 determined that the size of HARQ-ACK bit sequence is 2, and definite bit sequence is
Wherein,
The HARQ-ACK response message of corresponding main Serving cell; And/or UE uses O=2 to calculate the RE number;
When DAI information was C, UE 2304 determined that the size of HARQ-ACK bit sequence is 2, and definite bit sequence is
Wherein,
The HARQ-ACK response message of corresponding auxilliary Serving cell; And/or UE 2304 uses O=2 to calculate the RE number;
When DAI information was D, UE 2304 did not send the HARQ-ACK response message on PUSCH, and UE 2304 determines that the size and/or the RE number of HARQ-ACK bit sequence are 0.
When the HARQ-ACK feedback model of configuration is that channel is selected and the transmission mode of 2 descending Serving cells of configuration when being the single codeword streaming mode, UE 2304 is used to realize following operation:
When DAI information was A, UE 2304 determined that the size of HARQ-ACK bit sequence is 2, and definite bit sequence is
Wherein,
The HARQ-ACK response message of corresponding main Serving cell,
The HARQ-ACK response message of corresponding auxilliary Serving cell; And/or UE 2304 uses O=2 to calculate the RE number; Wherein, 2 descending Serving cells comprise main Serving cell and auxilliary Serving cell;
When DAI information was B, UE 2304 determined that the size of HARQ-ACK bit sequence is 1, and definite bit sequence is
Wherein,
The HARQ-ACK response message of corresponding main Serving cell; And/or UE 2304 uses O=1 to calculate the RE number;
When DAI information was C, UE 2304 determined that the size of HARQ-ACK bit sequence is 1, and definite bit sequence is
Wherein,
The HARQ-ACK response message of corresponding auxilliary Serving cell; And/or UE 2304 uses O=1 to calculate the RE number;
When DAI information was D, UE 2304 did not send the HARQ-ACK response message on PUSCH, and UE 2304 determines that the size and/or the RE number of HARQ-ACK bit sequence are 0.
When the HARQ-ACK feedback model of configuration be channel select and 2 descending Serving cells of configuration in the transmission mode of main Serving cell be dicode word streaming mode, when the transmission mode of the auxilliary Serving cell in 2 descending Serving cells was the single codeword streaming mode, UE 2304 can once operate:
When DAI information was A, UE 2304 determined that the size of HARQ-ACK bit sequence is 3, and definite bit sequence is
Wherein,
The HARQ-ACK response message of corresponding main Serving cell,
The HARQ-ACK response message of corresponding auxilliary Serving cell; And/or UE 2304 uses O=3 to calculate the RE number;
When DAI information was B, UE 2304 determined that the size of HARQ-ACK bit sequence is 2, and definite bit sequence is
Wherein,
The HARQ-ACK response message of corresponding main Serving cell; And/or UE 2304 uses O=2 to calculate the RE number;
When DAI information was C, UE 2304 determined that the size of HARQ-ACK bit sequence is 1, and definite bit sequence is
Wherein,
The HARQ-ACK response message of corresponding auxilliary Serving cell; And/or UE 2304 uses O=1 to calculate the RE number;
When DAI information was D, UE 2304 did not send the HARQ-ACK response message on PUSCH, and UE 2304 determines that the size and/or the RE number of HARQ-ACK bit sequence are 0.
When the HARQ-ACK feedback model of configuration be channel select and 2 descending Serving cells of configuration in the transmission mode of main Serving cell be the single codeword streaming mode, when the transmission mode of the auxilliary Serving cell in 2 descending Serving cells was dicode word streaming mode, UE 2304 can once operate:
When DAI information was A, UE 2304 determined that the size of HARQ-ACK bit sequence is 3, and definite bit sequence is
Wherein,
The HARQ-ACK response message of corresponding main Serving cell,
The HARQ-ACK response message of corresponding auxilliary Serving cell; And/or UE 2304 uses O=3 to calculate the RE number;
When DAI information was B, UE 2304 determined that the size of HARQ-ACK bit sequence is 1, and definite bit sequence is
Wherein,
The HARQ-ACK response message of corresponding main Serving cell; And/or UE 2304 uses O=1 to calculate the RE number;
When DAI information was C, UE 2304 determined that the size of HARQ-ACK bit sequence is 2, and definite bit sequence is
Wherein,
The HARQ-ACK response message of corresponding auxilliary Serving cell; And/or UE 2304 uses O=2 to calculate the RE number;
When DAI information was D, UE 2304 did not send the HARQ-ACK response message on PUSCH, and UE 2304 determines that the size and/or the RE number of HARQ-ACK bit sequence are 0.
When the HARQ-ACK feedback model of configuration was PUCCH form 3, the HARQ-ACK response message of the corresponding streams of code words correspondence of descending Serving cell that it is configuration that UE 2304 can carry out following operation: UE 2304 definite HARQ-ACK bit sequences was according to the bit sequence of descending Serving cell index cascade from low to high; And/or UE 2304 determines O according to descending allocation index, and uses O to calculate the RE number.
By the foregoing description, UE can determine appropriate H ARQ-ACK bit sequence according to actual conditions.
Wherein, UE 2304 is used for basis
Determine O,
Be the value of determining according to DAI information.
Preferably, when DAI information is A,
Value is 1 or 5; When DAI information is B,
Value is 2; When DAI information is C,
Value is 3; When DAI information is D,
Value is 4 or 0.By this embodiment, can pass through the DAI information acquisition easily
Value.
In an optimal way of the embodiment of the invention, when DAI information is A,, code word fluxion that UE 2304 receives in current subframe and semi-continuous scheduling surpass 2 if discharging the sum of DCI form SPS Release DCI Format, and then UE 2304 determines
Otherwise UE determines
In another optimal way of the embodiment of the invention, when DAI information was D, if UE 2304 does not receive Physical Downlink Shared Channel and SPS Release DCI Format in current subframe, then UE 2304 determined
Otherwise UE determines
Wherein, A, B, C and D are one of them in the binary number of 2 bits, and A, B, C and D are unequal mutually.
Preferably, when base station 2302 sends one or more DCI forms 0 and/or 4 to UE 2304 on subframe, the value of the DAI information in these one or more DCI forms is identical.
Preferably, when UE 2304 receives one or more DCI forms 0 and/or 4 on subframe, the value of the DAI information in UE 2304 these one or more DCI forms of hypothesis is identical, for example, there are three in the DAI information in four DCI forms 0 that receive as UE 2304 and/or 4 when identical, think that then the value of the DAI information that it receives is identical with the value of these three identical DAI information.
In another embodiment, also provide the feedback processing software of a kind of HARQ-ACK, this software is used for carrying out the technical scheme that the foregoing description and preferred embodiment are described.
In another embodiment, also provide a kind of storage medium, stored the feedback processing software of above-mentioned HARQ-ACK in this memory mechanism.
In sum, the embodiment of the invention adopts the base station that the descending scheduling situation is informed UE, UE counts mode according to HARQ-ACK bit sequence that feeds back and/or the shared RE of definite HARQ-ACK bit sequence that this scheduling situation is determined again on PUSCH, reached the size of the HARQ-ACK bit sequence that UE sends and the effect that shared Resource Unit corresponds to actual needs.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
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 (14)
1. a feedback method for treating that mixes automatic retransfer response message HARQ-ACK is characterized in that, comprising:
When user equipment (UE) has disposed a plurality of Serving cells, ascending-descending subframes is configured to 1 or 6, and binding window size is 1 o'clock, the base station sends Downlink Control Information DCI form 0 and/or 4 to described UE, wherein, the descending distribution indication of the dibit in the described DCI form 0 and/or 4 DAI information is used to indicate the descending scheduling situation of current subframe; Described UE determines to go physically that according to described DAI information shared channel PUSCH goes up the HARQ-ACK bit sequence of feedback and/or determines the shared Resource Unit RE number of described HARQ-ACK bit sequence.
2. method according to claim 1, it is characterized in that, when the HARQ-ACK feedback model of configuration is that channel is selected and the transmission mode of 2 descending Serving cells of configuration when being dicode word streaming mode, described UE determines the HARQ-ACK bit sequence that feeds back and/or determines that the shared RE number of described HARQ-ACK bit sequence comprises according to described DAI information on PUSCH:
When described DAI information was A, described UE determined that the size of described HARQ-ACK bit sequence is 4, and determined that described bit sequence is
Wherein,
The HARQ-ACK response message of corresponding main Serving cell,
The HARQ-ACK response message of corresponding auxilliary Serving cell; And/or described UE uses O=4 to calculate described RE number; Wherein, described 2 descending Serving cells comprise described main Serving cell and described auxilliary Serving cell;
When described DAI information was B, described UE determined that the size of described HARQ-ACK bit sequence is 2, and determined that described bit sequence is
Wherein,
The HARQ-ACK response message of corresponding described main Serving cell; And/or described UE uses O=2 to calculate described RE number;
When described DAI information was C, described UE determined that the size of described HARQ-ACK bit sequence is 2, and determined that described bit sequence is
Wherein,
The HARQ-ACK response message of corresponding described auxilliary Serving cell; And/or described UE uses O=2 to calculate described RE number;
When described DAI information was D, described UE did not send the HARQ-ACK response message on described PUSCH, and described UE determines that the size and/or the described RE number of described HARQ-ACK bit sequence are 0.
3. method according to claim 1, it is characterized in that, when the HARQ-ACK feedback model of configuration is that channel is selected and the transmission mode of 2 descending Serving cells of configuration when being the single codeword streaming mode, described UE determines the HARQ-ACK bit sequence that feeds back and/or determines that the shared RE number of described HARQ-ACK bit sequence comprises according to described DAI information on PUSCH:
When described DAI information was A, described UE determined that the size of described HARQ-ACK bit sequence is 2, and determined that described bit sequence is
Wherein,
The HARQ-ACK response message of corresponding main Serving cell,
The HARQ-ACK response message of corresponding auxilliary Serving cell; And/or described UE uses O=2 to calculate described RE number; Wherein, described 2 descending Serving cells comprise described main Serving cell and described auxilliary Serving cell;
When described DAI information was B, described UE determined that the size of described HARQ-ACK bit sequence is 1, and determined that described bit sequence is
Wherein,
The HARQ-ACK response message of corresponding described main Serving cell; And/or described UE uses O=1 to calculate described RE number;
When described DAI information was C, described UE determined that the size of described HARQ-ACK bit sequence is 1, and determined that described bit sequence is
Wherein,
The HARQ-ACK response message of corresponding described auxilliary Serving cell; And/or described UE uses O=1 to calculate described RE number;
When described DAI information was D, described UE did not send the HARQ-ACK response message on described PUSCH, and described UE determines that the size and/or the described RE number of described HARQ-ACK bit sequence are 0.
4. method according to claim 1, it is characterized in that, when the HARQ-ACK feedback model of configuration be channel select and 2 descending Serving cells of configuration in the transmission mode of main Serving cell be dicode word streaming mode, when the transmission mode of the auxilliary Serving cell in described 2 descending Serving cells was the single codeword streaming mode, described UE determined the HARQ-ACK bit sequence that feeds back and/or determines that the shared RE number of described HARQ-ACK bit sequence comprises according to described DAI information on PUSCH:
When described DAI information was A, described UE determined that the size of described HARQ-ACK bit sequence is 3, and determined that described bit sequence is
Wherein,
The HARQ-ACK response message of corresponding described main Serving cell,
The HARQ-ACK response message of corresponding described auxilliary Serving cell; And/or described UE uses O=3 to calculate described RE number;
When described DAI information was B, described UE determined that the size of described HARQ-ACK bit sequence is 2, and determined that described bit sequence is
Wherein,
The HARQ-ACK response message of corresponding described main Serving cell; And/or described UE uses O=2 to calculate described RE number;
When described DAI information was C, described UE determined that the size of described HARQ-ACK bit sequence is 1, and determined that described bit sequence is
Wherein,
The HARQ-ACK response message of corresponding described auxilliary Serving cell; And/or described UE uses O=1 to calculate described RE number;
When described DAI information was D, described UE did not send the HARQ-ACK response message on described PUSCH, and described UE determines that the size and/or the described RE number of described HARQ-ACK bit sequence are 0.
5. method according to claim 1, it is characterized in that, when the HARQ-ACK feedback model of configuration be channel select and 2 descending Serving cells of configuration in the transmission mode of main Serving cell be the single codeword streaming mode, when the transmission mode of the auxilliary Serving cell in 2 descending Serving cells was dicode word streaming mode, described UE determined the HARQ-ACK bit sequence that feeds back and/or determines that the shared RE number of described HARQ-ACK bit sequence comprises according to described DAI information on PUSCH:
When described DAI information was A, described UE determined that the size of described HARQ-ACK bit sequence is 3, and determined that described bit sequence is
Wherein,
The HARQ-ACK response message of corresponding described main Serving cell,
The HARQ-ACK response message of corresponding described auxilliary Serving cell; And/or described UE uses O=3 to calculate described RE number;
When described DAI information was B, described UE determined that the size of described HARQ-ACK bit sequence is 1, and determined that described bit sequence is
Wherein,
The HARQ-ACK response message of corresponding described main Serving cell; And/or described UE uses O=1 to calculate described RE number;
When described DAI information was C, described UE determined that the size of described HARQ-ACK bit sequence is 2, and determined that described bit sequence is
Wherein,
The HARQ-ACK response message of corresponding described auxilliary Serving cell; And/or described UE uses O=2 to calculate described RE number;
When described DAI information was D, described UE did not send the HARQ-ACK response message on described PUSCH, and described UE determines that the size and/or the described RE number of described HARQ-ACK bit sequence are 0.
6. method according to claim 1, it is characterized in that, when the HARQ-ACK feedback model of configuration was PUCCH form 3, described UE determined the HARQ-ACK bit sequence that feeds back and/or determines that the shared RE number of described HARQ-ACK bit sequence comprises according to described DAI information on PUSCH:
Described UE determine described HARQ-ACK bit sequence for the HARQ-ACK response message of the corresponding streams of code words correspondence of descending Serving cell of configuration according to the bit sequence of descending Serving cell index cascade from low to high; And/or described UE determines O according to described descending allocation index, and uses O to calculate described RE number.
7. method according to claim 6 is characterized in that, described UE determines that according to described descending allocation index O comprises:
8. method according to claim 7 is characterized in that,
When described DAI information is A,
Value is 1 or 5; When described DAI information is B,
Value is 2; When described DAI information is C,
Value is 3; When described DAI information is D,
Value is 4 or 0.
9. method according to claim 8 is characterized in that,
When described DAI information is A, if discharging the sum of DCI form SPS Release DCI Format, code word fluxion that described UE receives in current subframe and semi-continuous scheduling surpass 2, then described UE determines
Otherwise described UE determines
10. method according to claim 8 is characterized in that,
When described DAI information was D, if described UE does not receive Physical Downlink Shared Channel and SPS Release DCI Format in current subframe, then described UE determined
Otherwise described UE determines
11., it is characterized in that A, B, C and D are one of them in the binary number of 2 bits, and A, B, C and D are unequal mutually according to each described method among claim 2-5, the 8-10.
12. method according to claim 1 is characterized in that, when described base station sends one or more described DCI forms 0 and/or 4 to described UE on described subframe, the value of the described DAI information in one or more described DCI forms is identical.
13. method according to claim 1 is characterized in that, when described UE received one or more described DCI forms 0 and/or 4 on described subframe, UE supposed that the value of the described DAI information in one or more described DCI forms is identical.
14. a feedback processing system of mixing automatic retransfer response message HARQ-ACK is characterized in that, comprising:
The base station, be used for having disposed a plurality of Serving cells when user equipment (UE), ascending-descending subframes is configured to 1 or 6, and binding window size is 1 o'clock, send Downlink Control Information DCI form 0 and/or 4 to described UE, wherein, the descending distribution indication of the dibit in the described DCI form 0 and/or 4 DAI information is used to indicate the descending scheduling situation of current subframe;
Described UE is used for determining to go physically that according to described DAI information shared channel PUSCH goes up the HARQ-ACK bit sequence of feedback and/or determines the shared Resource Unit RE number of described HARQ-ACK bit sequence.
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| PCT/CN2012/074299 WO2012171413A1 (en) | 2011-06-16 | 2012-04-18 | Harq-ack feedback processing method and system |
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| CN102223219B (en) | 2017-07-18 |
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