CN102468945B - Transmission method and equipment for acknowledgement (ACK) or negative acknowledgement (NACK) feedback information - Google Patents

Abstract

The embodiment of the invention discloses a transmission method and transmission equipment for acknowledgement or non-acknowledgement (ACK or NACK) feedback information. By the technical scheme, an alternative channel resource can be determined under an application scene that time domain mergence is carried out and a physical uplink control channel (PUCCH) format1b with channel selection scheme is adopted, a problem that channel resources required by channel selection are difficult to determine when terminal equipment adopts the PUCCH format1b with channel selection scheme to transmit the ACK or NACK feedback information subjected to downlink subframe mergence is solved, a condition that the alternative channel resource cannot be determined for the scene by the prior art is avoided, and the ACK or NACK feedback information is transmitted by the PUCCH format1b with channel selection scheme under the scene that the ACK or NACK feedback information is more than 4 bits and the time domain mergence is applied.

Description

The transmission method of ACK/NACK feedback information and equipment

Technical field

The present invention relates to communication technical field, particularly a kind of transmission method of ACK/NACK feedback information and equipment.

Background technology

For long-term evolution multi-carrier system, for supporting than LTE(Long Term Evolution, Long Term Evolution) the wider system bandwidth of system, such as 100MHz, a kind of may be the frequency spectrum that directly distributes 100M bandwidth, as shown in Figure 1; One may be to distribute to some spectrum aggregatings of existing system, gather into large bandwidth and supply with long-term evolution multi-carrier system use, now in system, up-downgoing carrier wave can asymmetricly configure, be that user may take N >=1 carrier wave and carries out downlink transfer, M >=1 carrier wave carries out uplink, as shown in Figure 2.

LTE-A(Long Term Evolution Advanced, senior Long Term Evolution) system at present determines and can support at most 5 carrier waves to carry out polymerization, a LTE-A UE(User Equipment, subscriber equipment) need to be at the ACK(Acknowledgement of the corresponding multiple descending carriers of same sub-frame of uplink internal feedback and descending sub frame, positive acknowledgement)/NACK(Negative Acknowledgement, Negative Acknowledgement) feedback information.In LTE-A system, determine at present, the descending carrier of the ACK/NACK information bit of UE feedback based on configuration and the transmission mode of each descending carrier are determined, in FDD(Frequency Division Duplex, Frequency Division Duplexing (FDD)) in system, UE needs feedback at a sub-frame of uplink bit ACK/NACK, wherein C _ifor the code word number (C=1 when single codeword transmission, C=2 when many codeword transmission) of each descending carrier, the transmission mode (being code word number) of different descending carriers can be different, and N is UE configurating downlink carrier number; At TDD(Time Division Duplex, time division duplex) in system, UE needs feeding back ACK/NACK feedback at a sub-frame of uplink bit ACK/NACK, wherein M is the descending sub frame quantity that UE need to carry out at same sub-frame of uplink ACK/NACK feedback, for different uplink-downlink configuration and sub-frame of uplink, the value difference of M, the i.e. quantity of each hurdle K in table 1.Corresponding same sub-frame of uplink carries out multiple descending sub frames of ACK/NACK feedback, hereinafter referred to as " feedback window ".

Table 1Downlink association set index K:{k ₀, k ₁... k _m-1for TDD

In LTE-A system, determine and can adopt PUCCH(Physical Uplink Control Channel for being no more than 4 bit ACK/nack message, Physical Uplink Control Channel) format1b with channel selection transmission plan, this scheme is carried out channel by UE at multiple channel resources and is selected transmission to distinguish different ACK/NACK feedback information states, wherein, ACK/NACK mapping form is exactly the mapping for realizing ACK/NACK information to be feedback and actual channel transmission information (being 4 constellation point of PUCCH format1b QPSK modulation) and transmission channel.For 2,3,4 bit ACK/NACK feedback information, need respectively 2,3,4 PUCCH format1a/1b uplink control channel resources.

In LTE-A TDD system, because PUCCH Format1b with channel selection transmission plan is supported at most 4 bit ACK/NACK feedback, in the time that UE needs the ACK/NACK bit number of feedback to exceed 4 in a sub-frame of uplink, need to carry out ACK/NACK information merging (bundling) to reduce the bit number of ACK/NACK feedback information.UE can merge to the corresponding ACK/NACK feedback information of the packet receiving in the multiple descending sub frames in feedback window on the descending carrier of a configuration (claiming again time domain to merge), obtains the L bit ACK/NACK feedback information b merging ₀, b ₁... b _l-1,, as shown in Figure 3, wherein, N≤L≤2N, N is the descending carrier number of UE polymerization.If the descending carrier of configuration is many codeword transmission pattern, UE need carry out space merging to the descending carrier of 2N-L configuration, merge receiving the ACK/NACK feedback information of multiple code words in same descending sub frame on this descending carrier and (claim again space to merge, spatial bundling), can preferentially merge descending auxiliary carrier wave.Feedback information state comprises the correct packet receiving of ACK(), the packet that receives of NACK(mistake) and DTX(loses or the packet do not dispatched).In merging process, if the descending carrier that UE can judge current configuration in feedback window internal memory downlink data packet loss (PDCCH that instruction semi-continuous scheduling discharges and the loss with the PDSCH of dynamic PDCCH scheduling can judge by DAI, the loss of SPS packet can judge by SPS service period), or UE does not receive any packet on the descending carrier of current configuration in feedback window, this descending carrier is generated to DTX as the feedback information merging; If UE judges current configurating downlink carrier wave and do not have downlink data packet loss in feedback window, and the feedback information of at least one packet receiving on this descending carrier is NACK, this descending carrier generated to NACK as the feedback information merging; If UE judges current configurating downlink carrier wave and do not have downlink data packet loss in feedback window, and the feedback information of all packets that receive on this descending carrier is all ACK, this descending carrier generated to ACK as the feedback information merging.

While considering that carrying out time domain merges, because UE cannot know the actual schedule situation (be the descending sub frame/number-of-packet of base station actual schedule) of base station in multiple descending sub frames, therefore cannot judge whether the descending sub frame being finally scheduled has data-bag lost, thereby make ACK/NACK information after the merging of UE feedback can not reflect really the reception condition of actual schedule data, cause the misinterpretation of base station to ACK/NACK feedback information, the reliability of impact transmission.Understand differently and cause problem in order to solve UE that in merging process, data-bag lost causes and base station, can adopt the Merge Scenarios as shown in Fig. 4 A and 4B, 1) as shown in Figure 4 A, the DAI in DL grant does as a wholely (to be designated as DAI _total), be used to indicate in feedback window, till the sum of the PDSCH that current descending sub frame is dispatched; 2) DAI(reusing in LTE TDD DL grant as shown in Figure 4 B, is designated as DAI _f), be used to indicate the PDSCH sum on different descending carriers in current sub-downlink frame with dynamic PDCCH.Pass through DAI, whether the data packet transmission in the middle of UE can judge loses, UE by the descending sub frame number with dynamic PDCCH receiving in feedback window (comprise the PDCCH of dynamic dispatching PDSCH transmission, and the PDCCH that discharges of instruction SPS PDSCH resource) as 1 or 2 bit overhead bits , with the ACK/NACK feedback information cascade transmission merging.Like this, base station can be by rear 1～2 bit information in the ACK/NACK feedback information receiving, and whether the packet that judges last scheduling loses that (overhead bit is DAI _twhen information) or judge in feedback window, whether there is data-bag lost (overhead bit is the actual descending sub frame number receiving of UE in feedback window), thus avoid merging the unnecessary re-transmission in transmission, improve system efficiency of transmission.

In the process that realizes the embodiment of the present invention, applicant finds that prior art at least exists following problem:

In LTE-A system, on each up-link carrier, the reserved of implicit information channel resource only reserved for the PDCCH on the descending carrier of pairing with it.So-called implicit information channel resource, it is exactly the reserved uplink control channel resource in control information region (each CCE) of a corresponding fixing descending carrier on a up-link carrier, UE is by the minimum CCE(Control Channel Element of the descending control signaling (PDCCH) that sends on this descending carrier) numbering, all can calculate and obtain an available uplink control channel resource, referred to as " implicit information channel resource " or " dynamic channel resource ".In addition, downlink data transmission may be also the business that there is no corresponding PDCCH, i.e. SPS packet.Descending SPS transmission only occurs on downlink main carrier to carry, transmits the PDCCH activating trigger by an instruction SPS, can transmit according to fixing cycle and resource distribution, until receive after the PDCCH of instruction SPS transmission release this SPS end of transmission after triggering.Therefore, in transmitting procedure after SPS is triggered, there is no corresponding PDCCH, therefore without implicit information channel resource, each corresponding channel resource of SPS data packet transmission is all identical, is the indicated semi-static channel resource of TPC territory in the PDCCH of instruction SPS transmission activation.If base station need to change SPS transmission configuration, as changed transmission bandwidth etc., can send a dynamic PDCCH of corresponding SPS transmission, if UE receives this PDCCH, determine that this descending SPS transmits the configuration that will indicate according to this PDCCH and transmit.Consider that in LTE-A system, PUCCH can only be at up main carrier (UL PCC, uplink primary component carrier) send, and UL PCC is only for downlink main carrier to carry (DL PCC, downlink primary component carrier) carry out resource reservation, so UE can only obtain reserved implicit information channel resource on UL PCC by the PDCCH of transmission on DL PCC, therefore the required channel resource of PUCCH format1b with channel selection not necessarily can obtain from implicit information channel resource.In addition, UE may receive the PDCCH transmitting on downlink main carrier to carry in the multiple descending sub frames on a descending carrier in feedback window, and then obtain multiple implicit information channel resources, UE also needs further to determine which channel resource the corresponding channel resource of this descending carrier is specially, in the time there is not the PDCCH transmitting on downlink main carrier to carry on this descending carrier in feedback window, the corresponding channel resource of this descending carrier can be the indicated semi-static channel resource in resource instruction territory (ARI) of RRC configuration or PDCCH.

At present, in existing technology, also there is no corresponding solution.

Summary of the invention

The embodiment of the present invention provides a kind of transmission method and equipment of ACK/NACK feedback information, solves the problem identificatioin of the required channel resource of the PUCCH format1b with channel selection of application scenarios that merges for time domain in the prior art.

For achieving the above object, the embodiment of the present invention provides a kind of transmission method of ACK/NACK feedback information on the one hand, comprising:

M the descending sub frame of terminal equipment in the descending carrier of C configuration receives data, wherein, C >=1, M >=1, the ACK/NACK information of the data in a described M descending sub frame is transmitted in same sub-frame of uplink;

Described terminal equipment judges whether that the ACK/NACK feedback information of the data to receiving in a described M descending sub frame carries out time domain merging;

If described terminal equipment judges, described ACK/NACK feedback information is carried out to time domain merging, described terminal equipment is the feedback bits that the data that receive in a described M descending sub frame generate L bit, and generate the supplementary of T bit, described supplementary is used to indicate the number that receives the descending sub frame that has PDCCH in M descending sub frame, wherein, L >=C;

Described terminal equipment is determined L+T alternative channel resource;

Described terminal equipment, according to the feedback bits of described L bit and the supplementary of T bit that generate, is selected a channel resource in the described L+T determining an alternative channel resource, and determines a corresponding qam constellation point;

Described terminal equipment, in described sub-frame of uplink, by the channel resource of described selection, sends described definite qam constellation point.

On the other hand, the embodiment of the present invention also provides a kind of terminal equipment, comprising:

Receiver module, receives data for M descending sub frame of the descending carrier C configuration, wherein, C >=1, M >=1, the ACK/NACK information of the data in a described M descending sub frame is transmitted in same sub-frame of uplink;

Judge module, carries out time domain merging for the ACK/NACK feedback information that judges whether the data that described receiver module is received at a described M descending sub frame;

Generation module, while described ACK/NACK feedback information being carried out to time domain merging for judging at described judge module, the data that receive in a described M descending sub frame for described receiver module generate the feedback bits of L bit, and generate the supplementary of T bit, described supplementary is used to indicate the number that receives the descending sub frame that has PDCCH in M descending sub frame, wherein, L >=C;

Determination module, for determining L+T alternative channel resource;

Select module, for the feedback bits of described L bit and the supplementary of T bit that generate according to described generation module, in the determined described L+T of described determination module alternative channel resource, select a channel resource, and determine a corresponding qam constellation point;

Sending module, at described sub-frame of uplink, by the selected channel resource of described selection module, sends described qam constellation point.

On the other hand, the embodiment of the present invention also provides a kind of transmission method of ACK/NACK feedback information, comprising:

M the descending sub frame of base station in the descending carrier of C configuration sends data to terminal equipment, wherein, C >=1, M >=1, the ACK/NACK information of the data in a described M descending sub frame is transmitted in same sub-frame of uplink;

Described base station judges whether described terminal equipment carries out time domain merging to the ACK/NACK feedback information of the data that receive in a described M descending sub frame;

If described base station judges described terminal equipment described ACK/NACK feedback information is carried out to time domain merging, the supplementary of feedback bits and the T bit of L bit need to be fed back in described base station according to described terminal equipment, determines L+T channel resource to be detected;

Described definite L+T channel resource to be detected detected in described base station, receives the information of the L+T bit of described terminal equipment transmission.

On the other hand, the embodiment of the present invention also provides a kind of base station, comprising:

Sending module, sends data for M descending sub frame of the descending carrier C configuration to terminal equipment, wherein, C >=1, M >=1, the ACK/NACK information of the data in a described M descending sub frame is transmitted in same sub-frame of uplink;

Judge module, carries out time domain merging for the ACK/NACK feedback information that judges the data whether described terminal equipment receive a described M descending sub frame;

Determination module, be used in the time that described judge module judges that described terminal equipment carries out time domain merging to described ACK/NACK feedback information, need to feed back the supplementary of feedback bits and the T bit of L bit according to described terminal equipment, determine L+T channel resource to be detected;

Receiver module, for detection of the determined L+T of described determination module channel resource to be detected, receives the information of the L+T bit of described terminal equipment transmission.

Compared with prior art, the embodiment of the present invention has the following advantages:

By the technical scheme of the application embodiment of the present invention, time domain merging can carried out, and adopt and in the application scenarios of PUCCH format1b with channel selection scheme, determine alternative channel resource, when having solved terminal equipment and having adopted the ACK/NACK feedback information that the transmission of PUCCH format1b with channel selection scheme carried out merging between descending sub frame, channel is selected the problem identificatioin of required channel resource, avoid cannot determining for this kind of scene according to prior art the situation of alternative channel resource, realize at ACK/NACK feedback information and be greater than 4 bits, and apply under the scene of time domain merging, transmission by PUCCH format1b with channel selection scheme to ACK/NACK feedback information, mainly be applicable to TDD system.

Brief description of the drawings

Fig. 1 is single-frequency spectral system schematic in prior art;

Fig. 2 is prior art intermediate frequency spectrum paradigmatic system schematic diagram;

Fig. 3 is the schematic diagram that in prior art, time domain merges;

Fig. 4 A to 4B is the schematic diagram of two kinds of DAI instructions that in prior art, time domain merges;

Fig. 5 is the schematic flow sheet of the transmission method of a kind of ACK/NACK feedback information of embodiment of the present invention proposition;

Fig. 6 is the schematic flow sheet of transmission method of a kind of ACK/NACK feedback information in the embodiment 1 that proposes of the embodiment of the present invention;

Fig. 7 is the schematic flow sheet of transmission method of the ACK/NACK feedback information under a kind of concrete application scenarios in the embodiment 2 that proposes of the embodiment of the present invention;

Fig. 8 is the schematic flow sheet of transmission method of the ACK/NACK feedback information under the concrete application scenarios of another kind in the embodiment 2 that proposes of the embodiment of the present invention;

Fig. 9 is the schematic flow sheet of transmission method of the ACK/NACK feedback information under the concrete application scenarios of another kind in the embodiment 2 that proposes of the embodiment of the present invention;

Figure 10 is the schematic flow sheet of transmission method of the ACK/NACK feedback information under a kind of concrete application scenarios in the embodiment 3 that proposes of the embodiment of the present invention;

Figure 11 is the structural representation of a kind of terminal equipment of embodiment of the present invention proposition;

Figure 12 is the structural representation of a kind of base station of embodiment of the present invention proposition.

Embodiment

As stated in the Background Art, at LTE-A carrier aggregation (CA, carrier aggregation) in system, base station polymerization multiple descending carriers while sending data to user, UE will feed back the ACK/NACK feedback information of corresponding multiple descending carrier and descending sub frame in a sub-frame of uplink.Determine at present a kind of scheme of PUCCH Format1b with channel selection as ACK/NACK multiplexing (Multiplexing) transmission.

When the ACK/NACK feedback information bits number that need to feed back at a sub-frame of uplink as UE is greater than 4 bit, need to merge ACK/NACK feedback information (bundling), make the ACK/NACK feedback information number after merging be less than or equal to 4 bits, to adopt the transmission of PUCCH Format1b with channel selection scheme.

But at present, how to confirm carries out merging between different subframes also not definite scheme of the corresponding channel resource of ACK/NACK feedback information after (time domain merging).

Based on above reason, the embodiment of the present invention has provided under a kind of scene of the PUCCH of employing format1b with channel selection scheme, determines the method for the channel resource of ACK/NACK feedback information.

In LTE-A TDD system, in the time that UE adopts PUCCH Format1b with channel selection feedback M bit ACK/nack message, 2≤M≤4, for positive integer, represent that UE carries out the descending sub frame quantity of ACK/NACK feedback at same sub-frame of uplink, if UE needs the bit number of the ACK/NACK feedback information of feedback to exceed 4 bits in a sub-frame of uplink, UE need to merge the ACK/NACK feedback information that receives data in different descending sub frames in feedback window on a descending carrier, and needs the channel resource of determining that channel is selected.

As shown in Figure 5, the schematic flow sheet of transmission method of a kind of ACK/NACK feedback information proposing for the embodiment of the present invention, the method specifically comprises the following steps:

Step S501, terminal equipment M descending sub frame in the descending carrier of C configuration receives data.

Wherein, C >=1, M >=1, the ACK/NACK information of the data in M descending sub frame is transmitted in same sub-frame of uplink.

Step S502, terminal equipment judge whether that the ACK/NACK feedback information of the data to receiving in M descending sub frame carries out time domain merging.

If terminal equipment judges, ACK/NACK feedback information is carried out to time domain merging, execution step S503;

If terminal equipment judges, ACK/NACK feedback information is not carried out to time domain merging, and described terminal equipment is while only receiving data on downlink main carrier to carry, execution step S507.

In concrete application scenarios, whether terminal equipment is greater than default threshold value according to the bit number of the ACK/NACK feedback information that needs feedback in sub-frame of uplink, and C configuration descending carrier in downlink main carrier to carry and the data receiver situation on descending auxiliary carrier wave, judge whether that the ACK/NACK feedback information of the data to receiving in M descending sub frame carries out time domain merging.

On the other hand, in sub-frame of uplink, need the bit number of the ACK/NACK feedback information of feedback, specifically determine by the following method:

For FDD system, terminal equipment determines that according to the transmission mode of the descending carrier of the descending carrier quantity C of configuration and each configuration the bit number of the ACK/NACK feedback information that needs feedback is wherein S _ifor the code word number of i descending carrier of configuration;

For TDD system, terminal equipment is according to downlink member carrier quantity C, the corresponding descending sub frame quantity M who needs feeding back ACK/NACK feedback bits of sub-frame of uplink of configuration, and the transmission mode of the downlink member carrier of each configuration determines that the bit number of the ACK/NACK feedback information that needs feedback is wherein S _ifor the code word number of i descending carrier of configuration.

Wherein, when judging in sub-frame of uplink, terminal equipment need the bit number of the ACK/NACK feedback information of feedback to be greater than default threshold value, and receive data on descending auxiliary carrier wave time, terminal equipment judges that the ACK/NACK feedback information of the data to receiving in M descending sub frame carries out time domain merging; Or,

When judging in a sub-frame of uplink, terminal equipment need the bit number of the ACK/NACK feedback information of feedback to be greater than default threshold value, and terminal equipment only receives data on downlink main carrier to carry, and judge that, there is data-bag lost on descending auxiliary carrier wave time, terminal equipment judges that the ACK/NACK feedback information of the data to receiving in M descending sub frame carries out time domain merging.

Corresponding, if there is following situation, terminal equipment judges that the ACK/NACK feedback information of the data to receiving in M descending sub frame does not carry out time domain merging:

(1) when judging in sub-frame of uplink, terminal equipment need the bit number of the ACK/NACK feedback information of feedback to be less than or equal to default threshold value, or after the descending carrier of many codeword transmission pattern having been carried out to space merging, while needing the bit number of ACK/NACK feedback information of feedback to be less than or equal to default threshold value in a described sub-frame of uplink, terminal equipment judges that the ACK/NACK feedback information of the data to receiving in M descending sub frame does not carry out time domain merging.

(2) when terminal equipment only receives data on downlink main carrier to carry, and judge there is not data-bag lost on descending auxiliary carrier wave time, terminal equipment judges that the ACK/NACK feedback information of the data to receiving in M descending sub frame does not carry out time domain merging.

(3) in the time that terminal equipment only receives data on downlink main carrier to carry, terminal equipment judges that the ACK/NACK feedback information of the data to receiving in M descending sub frame does not carry out time domain merging.

In above-mentioned processing procedure, a preferred numerical value of default threshold value is 4.

Step S503, terminal equipment are that the data that receive in M descending sub frame generate the feedback bits of L bit, and generate the supplementary of T bit, and supplementary is used to indicate the number that receives the descending sub frame that has PDCCH in M descending sub frame.

Wherein, L >=C.

In concrete application scenarios, the specific implementation process of this step is: UE receives data at descending carrier and M the descending sub frame of N configuration, produce L+T bit feedback bit, wherein, N≤L≤4-T, N is the descending carrier number of UE configuration, N≤3, and M is UE carries out ACK/NACK feedback descending sub frame quantity at same sub-frame of uplink;

Wherein, first UE obtains the ACK/NACK feedback information that L bit merges; Concrete merging method is that the ACK/NACK feedback information to receiving the packet of the descending sub frame of data in M descending sub frame on the descending carrier of each configuration merges.

Then, UE has the descending sub frame of PDCCH in feedback window number according to the descending carrier of all configurations generates T bit supplementary, forms M bit feedback bit with the ACK/NACK feedback information cascade merging, and T can be fixed as 2 bits, or .

Step S504, terminal equipment are determined L+T alternative channel resource.

In concrete application scenarios, this step is divided into following two kinds of modes and carries out determining of alternative channel resource:

If method one is in M descending sub frame, terminal equipment receives downlink data on the descending auxiliary carrier wave of at least one configuration, or in M descending sub frame, terminal equipment only receives downlink data on downlink main carrier to carry, and judge at least one descending auxiliary carrier wave and have data-bag lost, terminal equipment determines that L+T the pre-configured channel resource of high-level signaling receiving is alternative channel resource.

In actual applications, high-rise according to the concrete configuration of UE, as needed the descending sub frame number M of feeding back ACK/nack message, a pre-configured L+T channel resource in a sub-frame of uplink;

When M=2, L=1 or L=2 or L=3, preferably configure latter two value or second value;

When M=3, L=1 or L=2, preferably configure rear 1 value;

When M=4, L=1 or L=2, preferably configure rear 1 value.

If method two is in M descending sub frame, terminal equipment receives downlink data at least one descending auxiliary carrier wave of configuration, and terminal equipment is determined L+T alternative channel resource by the ACK/NACK resource indication bit of dispatching in the PDCCH of transfer of data at least one descending auxiliary carrier wave.

Wherein, PDCCH transmits on the descending auxiliary carrier wave of downlink main carrier to carry or at least one configuration;

ARI indicates a group in the pre-configured at least one group of semi-static channel resource group of high-level signaling, comprises L+T channel resource in every group of semi-static channel resource;

In the time receiving downlink data on the descending auxiliary carrier wave of UE at least two configurations, the ARI on the descending auxiliary carrier wave of at least two configurations of scheduling at least two PDCCH of transfer of data need indicate same group of channel resource.

Step S505, terminal equipment, according to the feedback bits of L bit and the supplementary of T bit that generate, are selected a channel resource in definite L+T alternative channel resource, and determine a corresponding qam constellation point.

Step S506, terminal equipment, in sub-frame of uplink, by the channel resource of selecting, send definite qam constellation point.

In actual applications, this step adopts PUCCH format1b with channel selection transmission plan; According to ACK/NACK mapping form, L+T bit feedback bit is selected to corresponding channel resource in L+T at the most alternative channel resource, and select corresponding modulation symbol (4 QPSK constellation point of PUCCH format1b), on the channel resource of selecting, send corresponding modulation symbol.

Wherein, ACK/NACK mapping form is used for representing the corresponding relation of the channel resource of ACK/NACK feedback information and actual transmissions and the modulation symbol of transmission (being 4 constellation point of PUCCH format1b QPSK modulation).

Step S507, terminal equipment are the feedback bits that M descending sub frame generates M bit.

Be that rollback is the pattern of single carrier transmission.

Step S508, terminal equipment are determined to many M channel resource by the minimum CCE numbering of the PDCCH of the corresponding downlink main carrier to carry in downlink main carrier to carry transmission, as alternative channel resource.

Wherein, this PDCCH comprises the PDCCH that the semi-continuous PDSCH of instruction activates or indicates the PDCCH that semi-continuous PDSCH resource discharges and/or the PDCCH that dispatches dynamic PDSCH.

In concrete application scenarios, this step is divided into following two kinds of modes and carries out determining of alternative channel resource:

Method one, if in M descending sub frame, terminal equipment only receives downlink data on downlink main carrier to carry, or in M descending sub frame, terminal equipment only receives downlink data on downlink main carrier to carry, and judge and on descending auxiliary carrier wave, do not have data-bag lost (not comprising the situations that the packet in the descending sub frame of last scheduling is all lost at configurating downlink carrier wave), terminal equipment is that the descending sub frame that receives data on downlink main carrier to carry is determined a channel resource according to LTE Rel-8 single carrier mode, obtain M channel resource at the most, comprise that according to the PDCCH(of PDSCH on the dispatching downlink main carrier of downlink main carrier to carry transmission receiving in M descending sub frame SPS activates, the PDCCH discharging and dispatch the PDCCH of dynamic PDSCH) minimum CCE numbering be determined to many M channel resource, the candidate channel resource of selecting as channel, if there is SPS transfer of data in a descending sub frame on downlink main carrier to carry in M descending sub frame, and this SPS transfer of data does not exist corresponding PDCCH(to activate the PDCCH of SPS in this descending sub frame), determine that the corresponding channel resource of SPS PDSCH is as the corresponding channel resource of this descending sub frame, the corresponding channel resource of SPS PDSCH is one that activates in the pre-configured channel resource of the indicated high level in TPC territory in the PDCCH of this SPS PDSCH.

The ACK/NACK feedback information that now UE produces does not carry out the merging between descending sub frame, be that UE produces ACK to the descending sub frame that correctly receives packet in the descending sub frame of M on downlink main carrier to carry, the descending sub frame that mistake receives packet produces NACK, by the cycle of DAI and SPS packet judge the descending sub frame of packet loss or do not receive packet descending sub frame produce DTX, finally produce M bit feedback bit; Do not comprise overhead bit information;

If downlink main carrier to carry is many codeword transmission pattern, the ACK/NACK feedback information of the multiple code words that receive in same descending sub frame on downlink main carrier to carry is merged;

UE selecting corresponding channel resource in M channel resource at the most, and selects corresponding modulation symbol (4 QPSK constellation point of PUCCH format1b) to M bit feedback bit, on the channel resource of selecting, sends corresponding modulation symbol.

Method two, if in M descending sub frame, terminal equipment only receives downlink data on downlink main carrier to carry, terminal equipment is that the descending sub frame that receives data on downlink main carrier to carry is determined a channel resource according to LTE Rel-8 single carrier mode, obtain M channel resource at the most, comprise that according to the PDCCH(of transfer of data on the dispatching downlink main carrier of downlink main carrier to carry transmission receiving in M descending sub frame SPS activates, the PDCCH discharging and dispatch the PDCCH of dynamic PDSCH) minimum CCE numbering be determined to many M channel resource, the candidate channel resource of selecting as channel, if there is SPS transfer of data in a descending sub frame on downlink main carrier to carry in M descending sub frame, and this SPS transfer of data does not exist corresponding PDCCH(to activate the PDCCH of SPS in this descending sub frame), determine that the corresponding channel resource of SPS PDSCH is as the corresponding channel resource of this descending sub frame, the corresponding channel resource of SPS PDSCH is one that activates in the pre-configured channel resource of the indicated high level in TPC territory in the PDCCH of this SPS PDSCH.

Now, the ACK/NACK feedback information that UE produces does not carry out the merging between descending sub frame, be that UE produces ACK to the descending sub frame that correctly receives packet in the descending sub frame of M on downlink main carrier to carry, the descending sub frame that mistake receives packet produces NACK, by the cycle of DAI and SPS packet judge the descending sub frame of packet loss or do not receive packet descending sub frame produce DTX, finally produce M bit feedback bit; Do not comprise overhead bit information;

If downlink main carrier to carry is many codeword transmission pattern, the ACK/NACK feedback information of the multiple code words that receive in same descending sub frame on downlink main carrier to carry is merged;

UE selecting corresponding channel resource in M channel resource at the most, and selects corresponding modulation symbol (4 QPSK constellation point of PUCCH format1b) to M bit feedback bit, on the channel resource of selecting, sends corresponding modulation symbol.

Further it is to be noted, if there is semi-continuous PDSCH in terminal equipment at least one descending sub frame in M descending sub frame on downlink main carrier to carry, and at least one exists in the descending sub frame of semi-continuous PDSCH and does not have corresponding PDCCH, corresponding PDCCH is the PDCCH of the semi-continuous PDSCH activation of instruction or the PDCCH that dispatches dynamic PDSCH, terminal equipment determines that the corresponding channel resource of semi-continuous PDSCH is as the corresponding channel resource of at least one descending sub frame in alternative channel resource, the corresponding channel resource of semi-continuous PDSCH is in the pre-configured channel resource of the indicated high level in TPC territory in the PDCCH that activates of the semi-continuous PDSCH of instruction.

Step S509, terminal equipment, according to the feedback bits of the M bit generating, are selected a channel resource in the M at the most determining an alternative channel resource, and determine a corresponding qam constellation point.

Step S510, terminal equipment, in sub-frame of uplink, by the channel resource of selecting, send definite qam constellation point.

In actual applications, this step adopts PUCCH format1b with channel selection transmission plan; According to ACK/NACK mapping form, M bit feedback bit is selected to corresponding channel resource in M at the most alternative channel resource, and select corresponding modulation symbol (4 QPSK constellation point of PUCCH format1b), on the channel resource of selecting, send corresponding modulation symbol.

Wherein, ACK/NACK mapping form is used for representing the corresponding relation of the channel resource of ACK/NACK feedback information and actual transmissions and the modulation symbol of transmission (being 4 constellation point of PUCCH format1b QPSK modulation).

In said process, the determined alternative channel resource of terminal equipment, is specially PUCCH format 1a/1b resource, and ACK in ACK/NACK mapping form represents correctly to receive packet; NACK represents that mistake receives packet; DTX represents data-bag lost or without data packet dispatching.

Corresponding, in base station side, the above-mentioned identical rule of base station applies is carried out determining of channel resource, and select corresponding channel resource to carry out the reception of ACK/NACK feedback information, it is to be noted, because base station side can not be determined the situation of the data-bag lost of UE end, so, determine and may occur difference at channel resource in such cases with the processing procedure of aforesaid terminal equipment side, but, because terminal equipment side can not selected the corresponding channel resource of descending sub frame of data-bag lost (corresponding ACK/NACK feedback information be DTX) and carries out the transmission of ACK/NACK feedback information, so, even if terminal equipment and base station there are differences for the determined channel resource of descending sub frame of data-bag lost, also there will not be ACK/NACK feedback information to receive wrong situation.

At this, for the no longer repeat specification of processing procedure of base station side.

Compared with prior art, the embodiment of the present invention has the following advantages:

By the technical scheme of the application embodiment of the present invention, time domain merging can carried out, and adopt and in the application scenarios of PUCCH format1b with channel selection scheme, determine alternative channel resource, when having solved terminal equipment and having adopted the ACK/NACK feedback information that the transmission of PUCCH format1b with channel selection scheme carried out merging between descending sub frame, channel is selected the problem identificatioin of required channel resource, avoid cannot determining for this kind of scene according to prior art the situation of alternative channel resource, realize at ACK/NACK feedback information and be greater than 4 bits, and apply under the scene of time domain merging, transmission by PUCCH format1b with channel selection scheme to ACK/NACK feedback information, mainly be applicable to TDD system.

Below, in conjunction with concrete application scenarios, the technical scheme that the embodiment of the present invention is proposed describes.

Embodiment 1:

UE has configured 2 descending carriers, and descending carrier 1 is downlink main carrier to carry, and descending carrier 1 and 2 all adopts many codeword transmission pattern, and M=3, needs bit supplementary, L=2, the feedback information that corresponding 1 bit of each descending carrier merges; Descending sub frame 1,2,4 has been dispatched at descending carrier 1 in base station, has dispatched descending sub frame 1,2,3,4 at descending carrier 2, and descending sub frame 4 packet losses as shown in Figure 6, adopt the method two in step S504, and the flow process of transferring ACK/NACK is as follows:

UE end:

UE, according to the transmission mode of 2 descending carrier configurations and each descending carrier, determines and need to feed back 16 bit ACK/NACK, is greater than 4 bits, therefore needs to carry out ACK/NACK merging;

Due to L=2, need carry out space merging to descending carrier 1 and 2;

Because UE has received downlink data on descending auxiliary carrier wave (carrier wave 2), the candidate channel resource that in the PDCCH of UE employing dispatching downlink carrier wave 2, one group of channel resource of ARI instruction is selected as channel, comprises in this group channel resource the pre-configured channel resource of individual RRC signaling;

On descending carrier 1, UE judges descending sub frame 2 packet losses according to DAI information,, produce the DTX of 1 bit merging as its feedback information; On descending carrier 2, UE cannot judge last descending sub frame loss, therefore according to the data of receiving in 3 descending sub frames, produces 1 bit NACK as its feedback information; Have the descending sub frame number of dynamic PDCCH, produce 2 bit supplementarys, " 10 " in example corresponding relation as shown in table 2, represent that UE has received 3 descending sub frames with dynamic PDCCH;

The final 4 bit feedback bits that generate of UE, adopt PUCCH format1b with channel selection transmission plan, according to ACK/NACK mapping form, in 4 channel resources of ARI instruction, determine corresponding channel resource, and determine corresponding modulation symbol, on selected channel resource, send corresponding modulation symbol.

Base station end:

Base station, according to the transmission mode of 2 descending carrier configurations and each descending carrier, determines that UE need to feed back 16 bit ACK/NACK, is greater than 4 bits, therefore determines that UE merges ACK/NACK feedback information;

According to , base station is by the pre-configured many group channel resources of RRC signaling, and every group comprises 4 PUCCH format1a/1b channel resources;

4 channel resources of ARI instruction are detected in base station, obtain 4 bits and receive information; Due to M=4, base station judges that front 2 bit informations are the amalgamation result of the ACK/NACK feedback information of the packet on descending carrier 1 and carrier wave 2, and rear 2 bit informations are supplementary, and by supplementary judge scheduling lose to last descending sub frame 4 of UE; Retransmission data packet may is determined according to pooling information and packet loss judgement in base station.

Embodiment 2:

UE has configured 2 descending carriers, and descending carrier 1 is downlink main carrier to carry, and each descending carrier adopts many codeword transmission pattern, and M=3 needs bit supplementary, L=2, the feedback information that corresponding 1 bit of each descending carrier merges;

(1) situation 1:

Descending sub frame 1,2,3 has only been dispatched at descending carrier 1 in base station, as shown in Figure 7, adopts method one or method two in step S508, and the flow process of transferring ACK/NACK is as follows:

UE end:

According to method one, because UE is according to the data (DAI receiving on downlink main carrier to carry _finformation) judge on descending auxiliary carrier wave and do not dispatch, or according to method two, because UE is only receiving data on downlink main carrier to carry, UE transmits according to single carrier channel selection scheme, be that UE numbers according to 3 minimum CCE that receive the PDCCH of the subframe of data on dispatching downlink main carrier, be respectively 3 subframes and determine 3 dynamic channel resources, the candidate channel resource of selecting as channel;

Now UE only receives data at downlink main carrier to carry, transmit according to single carrier channel selection scheme, the ACK/NACK feedback information producing is not carried out to the merging between descending sub frame, do not need to add overhead bit information, be that UE produces respectively ACK/NACK feedback information [ACK to receiving packet in 3 descending sub frames on downlink main carrier to carry, ACK, NACK];

The final 3 bit feedback bits that generate of UE, adopt PUCCH format1b with channel selection transmission plan, according to ACK/NACK mapping form, in 3 dynamic channel resources, determine corresponding channel resource, and determine corresponding modulation symbol, on selected channel resource, send corresponding modulation symbol;

Base station end:

Base station, owing to only having dispatched data at downlink main carrier to carry, according to M value, determines that UE carries out space merging to ACK/NACK feedback information;

Base station is according to the channel selection scheme of single carrier operation, detect 3 dynamic channel resources determining according to the minimum CCE numbering of the PDCCH of transfer of data on dispatching downlink main carrier, obtain 3 bits and receive information, the feedback information of the packet of dispatching on downlink main carrier to carry as base station, retransmission data packet may can be determined according to this 3 bit feedback information in base station.

(2) situation 2:

Descending sub frame 1,2,3 has been dispatched at descending carrier 1 in base station, and the flow process of having dispatched 2 and 3 transferring ACK/NACK of descending sub frame at descending carrier 2 is as follows:

Adopt the method a period of time in step S504, as shown in Figure 8:

The first processing mode:

UE end:

Because UE is according to the data (DAI receiving on downlink main carrier to carry _finformation) judge on descending auxiliary carrier wave and have data-bag lost, it is pre-configured that UE adopts RRC signaling the candidate channel resource that individual channel resource is selected as channel;

On downlink main carrier to carry, UE, according to 3 descending sub frame data that receive, produces the NACK of 1 bit merging as feedback information; On descending carrier 2, UE is according to the data (DAI receiving on downlink main carrier to carry _finformation) judge on descending carrier 2 and have data-bag lost, produce 1 bit DTX as feedback information; Have the descending sub frame number of dynamic PDCCH, produce 2 bit supplementarys, " 10 " in example corresponding relation as shown in table 2, represent that UE has received 3 descending sub frames with dynamic PDCCH;

Table 2 supplementary mapping signal table

The final 4 bit feedback bits that generate of UE, adopt PUCCH format 1b with channel selection transmission plan, according to ACK/NACK mapping form, in pre-configured 4 channel resources of RRC, determine corresponding channel resource, and determine corresponding modulation symbol, on selected channel resource, send corresponding modulation symbol;

Base station end:

According to base station is by pre-configured 4 the PUCCH format 1a/1b channel resources of RRC signaling;

4 pre-configured channel resources of RRC signaling are detected in base station, obtain 4 bits and receive information, due to M=3, base station judges that front 2 bit informations are the amalgamation result of the ACK/NACK feedback information of the packet on descending carrier 1 and carrier wave 2, rear 2 bit informations are supplementary, and are judged and do not existed last descending sub frame to lose by supplementary; Retransmission data packet may is determined according to pooling information in base station;

The second processing mode:

UE end:

Because UE only receives data on downlink main carrier to carry, UE can feed back according to the channel selection scheme under single carrier, and the method two in corresponding step S508, as situation 1;

Base station end:

According to base station is by pre-configured 4 the PUCCH format 1a/1b channel resources of RRC signaling;

4 pre-configured channel resources of RRC signaling are detected in base station, any data do not detected, and UE packet loss can be thought in base station, retransmit the packet of all descending sub frames, or, base station can further (only have the mode that has scheduling on main carrier according to single carrier channel selection mode, do not need to carry out merging between subframe), detect 3 dynamic channel resources determining based on the descending sub frame of dispatching on main carrier, obtain the ACK/NACK information of descending sub frame of 3 scheduling on downlink main carrier to carry that 3 bits receive, base station can judge descending auxiliary carrier data packet loss, retransmit the descending sub frame of dispatching on all descending auxiliary carrier waves, and determine the retransmission operation of each descending sub frame according to the ACK/NACK information of 3 descending sub frames on the downlink main carrier to carry receiving.

While adopting the method two in step S504, as shown in Figure 9:

UE end:

Although UE can be by the data (DAI receiving on downlink main carrier to carry _finformation) judge that descending carrier 2 exists data-bag lost, but because UE can not obtain the channel resource that ARI indicates, therefore UE operates with situation 1, feeds back according to the channel selection scheme under single carrier;

Base station end:

According to base station is by the pre-configured many group channel resources of RRC signaling, and every group comprises 4 PUCCH format 1a/1b channel resources;

4 channel resources of ARI instruction are detected in base station, if reception information do not detected, base station can judge UE packet loss, and the packet of all scheduling is retransmitted, or base station can further (only have the mode that has scheduling on main carrier according to the channel selection scheme under single carrier operation mode, do not need to carry out merging between subframe), detect 3 dynamic channel resources determining according to the minimum CCE numbering of the PDCCH of transfer of data on dispatching downlink main carrier, obtain 3 bits and receive information, the feedback information of the packet of dispatching on downlink main carrier to carry as base station, and further judge descending auxiliary carrier wave packet loss, retransmit the descending sub frame of all scheduling on descending auxiliary carrier wave, and determine the retransmission operation of each descending sub frame on downlink main carrier to carry according to this 3 bit feedback information.

Embodiment 3:

UE has configured 2 descending carriers, and descending carrier 1 is downlink main carrier to carry, and each descending carrier adopts single codeword transmission mode, and M=4 needs bit supplementary, L=2, the feedback information that corresponding 1 bit of each descending carrier merges; Descending sub frame 1,2,3,4 has only been dispatched at descending carrier 1 in base station, in the PDSCH transmission that descending sub frame 1 is SPS and descending sub frame 1, there is not dynamic PDCCH, as shown in figure 10, adopt method one or method two in step S508, the flow process of transferring ACK/NACK is as follows:

UE end:

According to method one or according to method two, because UE has only received data on downlink main carrier to carry, UE transmits according to single carrier channel selection scheme, again owing to not having dynamic PDCCH in descending sub frame 1 PDSCH that is SPS and this subframe, UE determines the corresponding channel resource of PDSCH that the channel resource of descending sub frame 1 correspondence is SPS, activate 1 indicated semi-static channel resource of TPC territory of the PDCCH of SPS PDSCH, UE is according to the minimum CCE numbering of the PDCCH of all the other 3 descending sub frames on dispatching downlink main carrier, be respectively 3 subframes and determine 3 dynamic channel resources, finally obtain the candidate channel resource that 4 channel resources are selected as channel,

Now UE only receives data at a downlink main carrier to carry, transmit according to single carrier channel selection scheme, the ACK/NACK feedback information producing is not carried out to the merging between descending sub frame, do not need to add overhead bit information, be that UE produces respectively ACK/NACK feedback information [ACK to receiving packet in 4 descending sub frames on downlink main carrier to carry, ACK, NACK, NACK];

The final 4 bit feedback bits that generate of UE, adopt PUCCH format 1b with channel selection transmission plan, according to ACK/NACK mapping form, in 4 channel resources, determine corresponding channel resource, and determine corresponding modulation symbol, on selected channel resource, send corresponding modulation symbol;

Base station end:

Base station is owing to only having dispatched data at downlink main carrier to carry, base station is according to the channel selection scheme of single carrier operation, adopt the channel resource identical with UE to determine that method determines 4 channel resources, and detect this 4 channel resources, obtain 4 bits and receive information, the retransmission operation of each descending sub frame on downlink main carrier to carry can be determined according to this 4 bit feedback information in base station;

Compared with prior art, the embodiment of the present invention has the following advantages:

By the technical scheme of the application embodiment of the present invention, time domain merging can carried out, and adopt and in the application scenarios of PUCCH format 1b with channel selection scheme, determine alternative channel resource, when having solved terminal equipment and having adopted the ACK/NACK feedback information that the transmission of PUCCH format 1b with channel selection scheme carried out merging between descending sub frame, channel is selected the problem identificatioin of required channel resource, avoid cannot determining for this kind of scene according to prior art the situation of alternative channel resource, realize at ACK/NACK feedback information and be greater than 4 bits, and apply under the scene of time domain merging, transmission by PUCCH format 1b with channel selection scheme to ACK/NACK feedback information, mainly be applicable to TDD system.

In order to realize the technical scheme of the embodiment of the present invention, the embodiment of the present invention also provides a kind of terminal equipment, and its structural representation as shown in figure 11, specifically comprises:

Receiver module 111, receives data for M descending sub frame of the descending carrier C configuration, wherein, C >=1, M >=1, the ACK/NACK information of the data in M descending sub frame is transmitted in same sub-frame of uplink;

Judge module 112, carries out time domain merging for the ACK/NACK feedback information that judges whether the data that receiver module 111 is received at M descending sub frame;

Generation module 113, while ACK/NACK feedback information being carried out to time domain merging for judging at judge module 112, the data that receive in M descending sub frame for receiver module 111 generate the feedback bits of L bit, and generate the supplementary of T bit, supplementary is used to indicate the number that receives the descending sub frame that has PDCCH in M descending sub frame, wherein, L >=C;

Determination module 114, for determining L+T alternative channel resource;

Select module 115, for the feedback bits of L bit and the supplementary of T bit that generate according to generation module 113, in the determined L+T of determination module 114 alternative channel resource, select a channel resource, and determine a corresponding qam constellation point;

Sending module 116, at sub-frame of uplink, by selecting the selected channel resource of module 115, sends qam constellation point.

Wherein, judge module 112, specifically for whether being greater than default threshold value according to the bit number of the ACK/NACK feedback information that needs feedback in sub-frame of uplink, and receiver module C configuration descending carrier in downlink main carrier to carry and the data receiver situation on descending auxiliary carrier wave, judge whether that the ACK/NACK feedback information of the data to receiving in M descending sub frame carries out time domain merging.

In concrete application scenarios, judge module 112 is also for the DAI information in the PDCCH of each descending sub frame of receiving according to receiver module 111 and/or the configuration of semi-continuous PDSCH, judges in each descending sub frame, whether there is data-bag lost.

In actual applications, concrete judgment rule is as follows:

When the bit number of the ACK/NACK feedback information that needs feedback in sub-frame of uplink is greater than default threshold value, and receive data on descending auxiliary carrier wave time, judge module 112 judges that the ACK/NACK feedback information of the data to receiving in M descending sub frame carries out time domain merging; Or,

When the bit number of the ACK/NACK feedback information that needs feedback in sub-frame of uplink is less than or equal to default threshold value, or after the descending carrier of many codeword transmission pattern having been carried out to space merging, while needing the bit number of ACK/NACK feedback information of feedback to be less than or equal to default threshold value in a described sub-frame of uplink, judge module 112 judges that the ACK/NACK feedback information of the data to receiving in M descending sub frame does not carry out time domain merging; Or,

When 111 of receiver modules receive data on downlink main carrier to carry, and judge that, there is data-bag lost on descending auxiliary carrier wave time, judge module 112 judges that the ACK/NACK feedback information of the data to receiving in M descending sub frame carries out time domain merging; Or,

When 111 of receiver modules receive data on downlink main carrier to carry, and judge there is not data-bag lost on descending auxiliary carrier wave time, judge module 112 judges that the ACK/NACK feedback information of the data to receiving in M descending sub frame does not carry out time domain merging; Or,

When the bit number of the ACK/NACK feedback information that needs feedback in sub-frame of uplink is greater than default threshold value, and when 111 of receiver modules receive data on downlink main carrier to carry, judge module 112 judges that the ACK/NACK feedback information of the data to receiving in M descending sub frame does not carry out time domain merging.

In concrete application scenarios, determination module 114, specifically for:

If in M descending sub frame, receiver module 111 receives downlink data on the descending auxiliary carrier wave of at least one configuration, or in M descending sub frame, 111 of receiver modules receive downlink data on downlink main carrier to carry, and judge module 112 judges at least one descending auxiliary carrier wave and have data-bag lost, determination module 114 determines that L+T the pre-configured channel resource of high-level signaling receiving is alternative channel resource.

In the concrete application scenarios of another kind, determination module 114, specifically for:

If in M descending sub frame, receiver module 111 receives downlink data at least one descending auxiliary carrier wave of configuration, and determination module 114 is determined L+T alternative channel resource by the ACK/NACK resource indication bit of dispatching in the PDCCH of transfer of data at least one descending auxiliary carrier wave.

Further, when judge module 112 judges not, feedback information is carried out to time domain while merging, and 111 of receiver modules are while receiving data on downlink main carrier to carry,

Generation module 113, is also used to receiver module 111 to generate the feedback bits of M bit at M descending sub frame;

Determination module 114, also be determined to many M channel resource for the minimum CCE numbering of the PDCCH of the corresponding downlink main carrier to carry by downlink main carrier to carry transmission, as alternative channel resource, PDCCH comprises the PDCCH that the semi-continuous PDSCH of instruction activates or indicates the PDCCH that semi-continuous PDSCH resource discharges and/or the PDCCH that dispatches dynamic PDSCH;

Select module 115, also, for the feedback bits of the M bit that generates according to generation module 113, in M at the most the alternative channel resource of determining at determination module 114, select a channel resource, and determine a corresponding qam constellation point;

Sending module 116, also, at sub-frame of uplink, by selecting the selected channel resource of module 115, sends definite qam constellation point;

Wherein, if there is semi-continuous PDSCH in receiver module 111 at least one descending sub frame in M descending sub frame on downlink main carrier to carry, and at least one exists in the descending sub frame of semi-continuous PDSCH and does not have corresponding PDCCH, corresponding PDCCH is the PDCCH of the semi-continuous PDSCH activation of instruction or the PDCCH that dispatches dynamic PDSCH, determination module 114 determines that the semi-continuous corresponding channel resource of PDSCH is as the corresponding channel resource of at least one descending sub frame in alternative channel resource, the corresponding channel resource of semi-continuous PDSCH is in the pre-configured channel resource of the indicated high level in TPC territory in the PDCCH that activates of the semi-continuous PDSCH of instruction.

On the other hand, the embodiment of the present invention also provides a kind of base station, and its structural representation as shown in figure 12, specifically comprises:

Sending module 121, sends data for M descending sub frame of the descending carrier C configuration to terminal equipment, wherein, C >=1, M >=1, the ACK/NACK information of the data in M descending sub frame is transmitted in same sub-frame of uplink;

Judge module 122, carries out time domain merging for the ACK/NACK feedback information that judges the data whether terminal equipment receive M descending sub frame;

Determination module 123, for judging that at judge module 122 terminal equipment carries out time domain while merging to ACK/NACK feedback information, need to feed back the supplementary of feedback bits and the T bit of L bit according to terminal equipment, determine L+T channel resource to be detected;

Receiver module 124, for detection of the determined L+T of determination module 123 channel resource to be detected, the information of the L+T bit that receiving terminal apparatus sends.

Wherein, sending module 121, also for sending high-level signaling to terminal equipment, L+T channel resource of this high-level signaling instruction, or indicate at least one group of channel resource, and in this at least one group of channel resource every group comprises L+T channel resource.

In concrete application scenarios, whether judge module 122 is greater than default threshold value specifically for the bit number that needs the ACK/NACK feedback information feeding back according to terminal equipment in sub-frame of uplink, and the downlink main carrier to carry in the descending carrier of C configuration and the transmission of the data on descending auxiliary carrier wave situation, judge whether terminal equipment carries out time domain merging to the ACK/NACK feedback information of the data that receive in M descending sub frame.

In actual applications, concrete judgment rule is as follows:

When needing the bit number of the ACK/NACK feedback information of feedback in sub-frame of uplink, terminal equipment is greater than default threshold value, and send data to terminal equipment on descending auxiliary carrier wave time, judge module judges that terminal equipment carries out time domain merging to the ACK/NACK feedback information of the data that receive in M descending sub frame.

When needing the bit number of the ACK/NACK feedback information of feedback in sub-frame of uplink, terminal equipment is less than or equal to default threshold value, or after the descending carrier of many codeword transmission pattern having been carried out to space merging, while needing the bit number of ACK/NACK feedback information of feedback to be less than or equal to default threshold value in a described sub-frame of uplink, judge module 122 judges that terminal equipment does not carry out time domain merging to the ACK/NACK feedback information of the data that receive in M descending sub frame; Or,

In the time that 121 of sending modules send data to terminal equipment on downlink main carrier to carry, judge module 122 judges that terminal equipment does not carry out time domain merging to the ACK/NACK feedback information of the data that receive in M descending sub frame.

It is pointed out that determination module 123, specifically for:

If in M descending sub frame, sending module 121 sends downlink data to terminal equipment on the descending auxiliary carrier wave of at least one configuration, and determination module 123 determines that in the high-level signaling sending to terminal equipment, L+T pre-configured channel resource is channel resource to be detected.

Under another kind of scene, determination module 123, specifically for:

If in M descending sub frame, sending module 121 sends downlink data to terminal equipment at least one descending auxiliary carrier wave of configuration, and determination module 123 is determined L+T channel resource to be detected by the ACK/NACK resource indication bit of dispatching in the PDCCH of transfer of data at least one descending auxiliary carrier wave.

In actual applications, do not carry out time domain merging if judge module 122 judges the ACK/NACK feedback information of the data to receiving in M descending sub frame, and 11 of sending modules are while sending data to this terminal equipment on downlink main carrier to carry,

Determination module 123, also be determined to many M channel resource for the minimum CCE numbering of the PDCCH of the corresponding downlink main carrier to carry by downlink main carrier to carry transmission, as alternative channel resource, PDCCH comprises the PDCCH that the semi-continuous PDSCH of instruction activates or indicates the PDCCH that semi-continuous PDSCH resource discharges and/or the PDCCH that dispatches dynamic PDSCH;

Receiver module 124, also for detection of the determined M at the most of determination module 123 channel resource to be detected, the information of the M bit that receiving terminal apparatus sends;

Wherein, if there is semi-continuous PDSCH in sending module 121 at least one descending sub frame in M descending sub frame on the corresponding downlink main carrier to carry of terminal equipment, and at least one exists in the descending sub frame of semi-continuous PDSCH and does not have corresponding PDCCH, corresponding PDCCH is the PDCCH of the semi-continuous PDSCH activation of instruction or the PDCCH that dispatches dynamic PDSCH, determination module 123 determines that the semi-continuous corresponding channel resource of PDSCH is as the corresponding channel resource of at least one descending sub frame in alternative channel resource, the corresponding channel resource of semi-continuous PDSCH is in the pre-configured channel resource of the indicated high level in TPC territory in the PDCCH that activates of the semi-continuous PDSCH of instruction.

Compared with prior art, the embodiment of the present invention has the following advantages:

By the technical scheme of the application embodiment of the present invention, time domain merging can carried out, and adopt and in the application scenarios of PUCCH format1b with channel selection scheme, determine alternative channel resource, when having solved terminal equipment and having adopted the ACK/NACK feedback information that the transmission of PUCCH format1b with channel selection scheme carried out merging between descending sub frame, channel is selected the problem identificatioin of required channel resource, avoid cannot determining for this kind of scene according to prior art the situation of alternative channel resource, realize at ACK/NACK feedback information and be greater than 4 bits, and apply under the scene of time domain merging, transmission by PUCCH format1b with channel selection scheme to ACK/NACK feedback information, mainly be applicable to TDD system.

Through the above description of the embodiments, those skilled in the art can be well understood to the embodiment of the present invention and can realize by hardware, and the mode that also can add necessary general hardware platform by software realizes.Based on such understanding, the technical scheme of the embodiment of the present invention can embody with the form of software product, it (can be CD-ROM that this software product can be stored in a non-volatile memory medium, USB flash disk, portable hard drive etc.) in, comprise that each implements the method described in scene in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) carry out the embodiment of the present invention in some instructions.

It will be appreciated by those skilled in the art that accompanying drawing is a schematic diagram of preferably implementing scene, the module in accompanying drawing or flow process might not be that the enforcement embodiment of the present invention is necessary.

It will be appreciated by those skilled in the art that the module in the device of implementing in scene can be distributed in the device of implementing scene according to implementing scene description, also can carry out respective change and be arranged in the one or more devices that are different from this enforcement scene.The module of above-mentioned enforcement scene can be merged into a module, also can further split into multiple submodules.

The invention described above embodiment sequence number, just to describing, does not represent the quality of implementing scene.

Disclosed is above only the several concrete enforcement scene of the embodiment of the present invention, and still, the embodiment of the present invention is not limited thereto, and the changes that any person skilled in the art can think of all should fall into the traffic limits scope of the embodiment of the present invention.

Claims (27)

1. a transmission method for ACK/NACK feedback information, is characterized in that, comprising:

M the descending sub frame of terminal equipment in the descending carrier of C configuration receives data, wherein, C >=1, M >=1, the ACK/NACK information of the data in a described M descending sub frame is transmitted in same sub-frame of uplink;

Described terminal equipment judges whether that the ACK/NACK feedback information of the data to receiving in a described M descending sub frame carries out time domain merging;

If described terminal equipment judges, described ACK/NACK feedback information is carried out to time domain merging, described terminal equipment is the feedback bits that the data that receive in a described M descending sub frame generate L bit, and generate the supplementary of T bit, described supplementary is used to indicate the number that receives the descending sub frame that has PDCCH in M descending sub frame, wherein, L>=C, L+T≤default threshold value, T can be fixed as 2 bits, or

Described terminal equipment is determined L+T alternative channel resource;

Described terminal equipment, according to the feedback bits of described L bit and the supplementary of T bit that generate, is selected a channel resource in the described L+T determining an alternative channel resource, and determines a corresponding qam constellation point;

Described terminal equipment, in described sub-frame of uplink, by the channel resource of described selection, sends described definite qam constellation point.

2. the method for claim 1, is characterized in that,

When judging in a sub-frame of uplink, described terminal equipment need the bit number of the ACK/NACK feedback information of feedback to be greater than default threshold value, and receive data on descending auxiliary carrier wave time, described terminal equipment judges that the ACK/NACK feedback information of the data to receiving in a described M descending sub frame carries out time domain merging; Or,

When judging in a sub-frame of uplink, described terminal equipment need the bit number of the ACK/NACK feedback information of feedback to be greater than default threshold value, and described terminal equipment only receives data on downlink main carrier to carry, and judge that, there is data-bag lost on descending auxiliary carrier wave time, described terminal equipment judges that the ACK/NACK feedback information of the data to receiving in a described M descending sub frame carries out time domain merging.

3. the method for claim 1, is characterized in that,

When judging in a sub-frame of uplink, described terminal equipment need the bit number of the ACK/NACK feedback information of feedback to be less than or equal to default threshold value, or after the descending carrier of many codeword transmission pattern having been carried out to space merging, while needing the bit number of ACK/NACK feedback information of feedback to be less than or equal to default threshold value in a sub-frame of uplink, described terminal equipment judges that the ACK/NACK feedback information of the data to receiving in a described M descending sub frame does not carry out time domain merging; Or,

When described terminal equipment only receives data on downlink main carrier to carry, and judge there is not data-bag lost on descending auxiliary carrier wave time, described terminal equipment judges that the ACK/NACK feedback information of the data to receiving in a described M descending sub frame does not carry out time domain merging; Or,

In the time that described terminal equipment only receives data on downlink main carrier to carry, described terminal equipment judges that the ACK/NACK feedback information of the data to receiving in a described M descending sub frame does not carry out time domain merging.

4. method as claimed in claim 2 or claim 3, is characterized in that, needs the bit number of the ACK/NACK feedback information of feedback in described sub-frame of uplink, specifically determines by the following method:

For FDD system, described terminal equipment determines that according to the transmission mode of the descending carrier of the descending carrier quantity C of configuration and each configuration the bit number of the ACK/NACK feedback information that needs feedback is wherein S _ifor the code word number of i descending carrier of configuration;

For TDD system, described terminal equipment is according to downlink member carrier quantity C, the corresponding descending sub frame quantity M who needs feeding back ACK/NACK feedback bits of sub-frame of uplink of configuration, and the transmission mode of the downlink member carrier of each configuration determines that the bit number of the ACK/NACK feedback information that needs feedback is wherein S _ifor the code word number of i descending carrier of configuration.

5. method as claimed in claim 4, is characterized in that, described terminal equipment is determined L+T alternative channel resource, specifically comprises:

If in a described M descending sub frame, described terminal equipment receives downlink data on the descending auxiliary carrier wave of at least one configuration, or in a described M descending sub frame, described terminal equipment only receives downlink data on downlink main carrier to carry, and judge at least one descending auxiliary carrier wave and have data-bag lost, described terminal equipment determines that L+T the pre-configured channel resource of high-level signaling receiving is alternative channel resource.

6. method as claimed in claim 4, is characterized in that, described terminal equipment is determined L+T alternative channel resource, specifically comprises:

If in a described M descending sub frame, described terminal equipment receives downlink data at least one descending auxiliary carrier wave of configuration, and described terminal equipment is determined L+T alternative channel resource by the ACK/NACK resource indication bit of dispatching in the PDCCH of transfer of data on described at least one descending auxiliary carrier wave.

7. method as claimed in claim 3, is characterized in that, if described terminal equipment judgement is not carried out time domain merging to described feedback information, and described terminal equipment is while only receiving data on downlink main carrier to carry, and described method, also comprises:

Described terminal equipment is the feedback bits that described M descending sub frame generates M bit;

Described terminal equipment is determined to many M channel resource by the minimum CCE numbering of the PDCCH of the corresponding downlink main carrier to carry in downlink main carrier to carry transmission, as alternative channel resource, each PDCCH in described PDCCH comprises the PDCCH that the semi-continuous PDSCH of instruction activates or indicates the PDCCH that semi-continuous PDSCH resource discharges or the PDCCH that dispatches dynamic PDSCH;

Described terminal equipment, according to the feedback bits of the described M bit generating, is selected a channel resource in the described M at the most determining an alternative channel resource, and determines a corresponding qam constellation point;

Described terminal equipment, in sub-frame of uplink, by the channel resource of described selection, sends described definite qam constellation point.

8. method as claimed in claim 7, is characterized in that, also comprises:

If there is semi-continuous PDSCH in described terminal equipment at least one descending sub frame in M descending sub frame on downlink main carrier to carry, and described at least one exist in the descending sub frame of semi-continuous PDSCH and do not have corresponding PDCCH, the PDCCH of described correspondence is the PDCCH of the semi-continuous PDSCH activation of instruction or the PDCCH that dispatches dynamic PDSCH, described terminal equipment determines that the corresponding channel resource of described semi-continuous PDSCH is as the corresponding channel resource of at least one descending sub frame described in alternative channel resource, the corresponding channel resource of described semi-continuous PDSCH is in the pre-configured channel resource of the indicated high level in TPC territory in the PDCCH that activates of the described semi-continuous PDSCH of instruction.

9. the method as described in any one in claims 1 to 3,7 to 8, is characterized in that, the determined alternative channel resource of described terminal equipment, is specially:

PUCCH format1a/1b resource.

10. a terminal equipment, is characterized in that, comprising:

Receiver module, receives data for M descending sub frame of the descending carrier C configuration, wherein, C >=1, M >=1, the ACK/NACK information of the data in a described M descending sub frame is transmitted in same sub-frame of uplink;

Judge module, carries out time domain merging for the ACK/NACK feedback information that judges whether the data that described receiver module is received at a described M descending sub frame;

Generation module, while described ACK/NACK feedback information being carried out to time domain merging for judging at described judge module, the data that receive in a described M descending sub frame for described receiver module generate the feedback bits of L bit, and generating the supplementary of T bit, described supplementary is used to indicate the number that receives the descending sub frame that has PDCCH in M descending sub frame, wherein, L>=C, L+T≤default threshold value, T can be fixed as 2 bits, or

Determination module, for determining L+T alternative channel resource;

Select module, for the feedback bits of described L bit and the supplementary of T bit that generate according to described generation module, in the determined described L+T of described determination module alternative channel resource, select a channel resource, and determine a corresponding qam constellation point;

Sending module, at described sub-frame of uplink, by the selected channel resource of described selection module, sends described qam constellation point.

11. terminal equipments as claimed in claim 10, it is characterized in that, described judge module, also for the DAI information in the PDCCH of each descending sub frame of receiving according to described receiver module and/or the configuration of semi-continuous PDSCH, judges in each descending sub frame, whether there is data-bag lost.

12. terminal equipments as claimed in claim 11, is characterized in that,

When the bit number of the ACK/NACK feedback information that needs feedback in a sub-frame of uplink is greater than default threshold value, and receive data on descending auxiliary carrier wave time, described judge module judges that the ACK/NACK feedback information of the data to receiving in a described M descending sub frame carries out time domain merging; Or,

When the bit number of the ACK/NACK feedback information that needs feedback in a sub-frame of uplink is greater than default threshold value, and described receiver module only receives data on downlink main carrier to carry, and judge that, there is data-bag lost on descending auxiliary carrier wave time, described judge module judges that the ACK/NACK feedback information of the data to receiving in a described M descending sub frame carries out time domain merging; Or,

When the bit number of the ACK/NACK feedback information that needs feedback in a sub-frame of uplink is less than or equal to default threshold value, or after the descending carrier of many codeword transmission pattern having been carried out to space merging, while needing the bit number of ACK/NACK feedback information of feedback to be less than or equal to default threshold value in a sub-frame of uplink, described judge module judges that the ACK/NACK feedback information of the data to receiving in a described M descending sub frame does not carry out time domain merging; Or,

When described receiver module only receives data on downlink main carrier to carry, and judge there is not data-bag lost on descending auxiliary carrier wave time, described judge module judges that the ACK/NACK feedback information of the data to receiving in a described M descending sub frame does not carry out time domain merging; Or,

In the time that described receiver module only receives data on downlink main carrier to carry, described judge module judges that the ACK/NACK feedback information of the data to receiving in a described M descending sub frame does not carry out time domain merging.

13. terminal equipments as claimed in claim 12, is characterized in that, described determination module, specifically for:

If in a described M descending sub frame, described receiver module receives downlink data on the descending auxiliary carrier wave of at least one configuration, or in a described M descending sub frame, described receiver module only receives downlink data on downlink main carrier to carry, and described judge module judges at least one descending auxiliary carrier wave and have data-bag lost, described determination module determines that L+T the pre-configured channel resource of high-level signaling receiving is alternative channel resource;

If in a described M descending sub frame, described receiver module receives downlink data at least one descending auxiliary carrier wave of configuration, and described determination module is determined L+T alternative channel resource by the ACK/NACK resource indication bit of dispatching in the PDCCH of transfer of data on described at least one descending auxiliary carrier wave.

14. terminal equipments as claimed in claim 12, is characterized in that, when the judgement of described judge module is not carried out time domain merging to described ACK/NACK feedback information, and described receiver module is while only receiving data on downlink main carrier to carry,

Described generation module, is also used to described receiver module to generate the feedback bits of M bit at M descending sub frame;

Described determination module, also be determined to many M channel resource for the minimum CCE numbering of the PDCCH of the corresponding downlink main carrier to carry by downlink main carrier to carry transmission, as alternative channel resource, each PDCCH in described PDCCH comprises the PDCCH that the semi-continuous PDSCH of instruction activates or indicates the PDCCH that semi-continuous PDSCH resource discharges or the PDCCH that dispatches dynamic PDSCH;

Described selection module, also, for the feedback bits of the described M bit that generates according to described generation module, selects a channel resource in the described M at the most determining an alternative channel resource at described determination module, and determines a corresponding qam constellation point;

Described sending module, also at sub-frame of uplink, by the selected channel resource of described selection module, sends described definite qam constellation point;

Wherein, if there is semi-continuous PDSCH in described receiver module at least one descending sub frame in M descending sub frame on downlink main carrier to carry, and described at least one exist in the descending sub frame of semi-continuous PDSCH and do not have corresponding PDCCH, the PDCCH of described correspondence is the PDCCH of the semi-continuous PDSCH activation of instruction or the PDCCH that dispatches dynamic PDSCH, described determination module determines that the corresponding channel resource of described semi-continuous PDSCH is as the corresponding channel resource of at least one descending sub frame described in alternative channel resource, the corresponding channel resource of described semi-continuous PDSCH is in the pre-configured channel resource of the indicated high level in TPC territory in the PDCCH that activates of the described semi-continuous PDSCH of instruction.

The transmission method of 15. 1 kinds of ACK/NACK feedback informations, is characterized in that, comprising:

M the descending sub frame of base station in the descending carrier of C configuration sends data to terminal equipment, wherein, C >=1, M >=1, the ACK/NACK information of the data in a described M descending sub frame is transmitted in same sub-frame of uplink;

Described base station judges whether described terminal equipment carries out time domain merging to the ACK/NACK feedback information of the data that receive in a described M descending sub frame;

If described base station judges described terminal equipment described ACK/NACK feedback information is carried out to time domain merging, the supplementary of feedback bits and the T bit of L bit need to be fed back in described base station according to described terminal equipment, determines L+T channel resource to be detected;

Described definite L+T channel resource to be detected detected in described base station, receives the information of the L+T bit of described terminal equipment transmission;

Wherein, the supplementary of feedback bits and the T bit of L bit need to be fed back in described base station according to described terminal equipment, before determining L+T channel resource to be detected, specifically comprises:

Described base station sends high-level signaling to described terminal equipment, L+T channel resource of described high-level signaling instruction, or indicate at least one group of channel resource, and in described at least one group of channel resource every group comprises L+T channel resource;

Wherein, L>=C, L+T≤default threshold value, T can be fixed as 2 bits, or

16. methods as claimed in claim 15, is characterized in that,

When judging described terminal equipment, base station in a sub-frame of uplink, need the bit number of the ACK/NACK feedback information of feedback to be greater than default threshold value, and send data to described terminal equipment on descending auxiliary carrier wave time, described base station judges that described terminal equipment carries out time domain merging to the ACK/NACK feedback information of the data that receive in a described M descending sub frame.

17. methods as claimed in claim 15, is characterized in that,

When judging described terminal equipment, described base station in a sub-frame of uplink, need the bit number of the ACK/NACK feedback information of feedback to be less than or equal to default threshold value, or after the descending carrier of many codeword transmission pattern having been carried out to space merging, while needing the bit number of ACK/NACK feedback information of feedback to be less than or equal to default threshold value in a sub-frame of uplink, described base station judges that the ACK/NACK feedback information of the data to receiving in a described M descending sub frame does not carry out time domain merging; Or,

In the time that described base station only sends data to described terminal equipment on downlink main carrier to carry, described base station judges that the ACK/NACK feedback information of the data to receiving in a described M descending sub frame does not carry out time domain merging.

18. methods as described in claim 16 or 17, is characterized in that, need the bit number of the ACK/NACK feedback information of feedback in described sub-frame of uplink, specifically determine by the following method:

For FDD system, described base station determines that according to the transmission mode for the descending carrier quantity C of described terminal equipment configuration and the descending carrier of each configuration the bit number of the ACK/NACK feedback information that needs feedback is wherein S _ifor the code word number of i descending carrier of configuration;

For TDD system, described base station is according to downlink member carrier quantity C, a corresponding descending sub frame quantity M who needs feeding back ACK/NACK feedback bits of sub-frame of uplink for described terminal equipment configuration, and the transmission mode of the downlink member carrier of each configuration determines that the bit number of the ACK/NACK feedback information that needs feedback is wherein S _ifor the code word number of i descending carrier of configuration.

19. methods as claimed in claim 16, is characterized in that, the supplementary of feedback bits and the T bit of L bit need to be fed back in described base station according to described terminal equipment, determine L+T channel resource to be detected, specifically comprise:

If in a described M descending sub frame, described base station sends downlink data to described terminal equipment on the descending auxiliary carrier wave of at least one configuration, and described base station determines that in the high-level signaling sending to described terminal equipment, L+T pre-configured channel resource is channel resource to be detected.

20. methods as claimed in claim 16, is characterized in that, the supplementary of feedback bits and the T bit of L bit need to be fed back in described base station according to described terminal equipment, determine L+T channel resource to be detected, specifically comprise:

If in a described M descending sub frame, described base station sends downlink data to described terminal equipment at least one descending auxiliary carrier wave of configuration, and L+T channel resource to be detected determined by the ACK/NACK resource indication bit of dispatching in the PDCCH of transfer of data on described at least one descending auxiliary carrier wave in described base station.

21. methods as claimed in claim 17, it is characterized in that, do not carry out time domain merging if described base station judges the feedback information of the data to receiving in a described M descending sub frame, and described base station while only sending data to described terminal equipment on downlink main carrier to carry, described method, also comprises:

Described base station is determined to many M channel resource by the minimum CCE numbering of the PDCCH of the corresponding downlink main carrier to carry in downlink main carrier to carry transmission, as alternative channel resource, each PDCCH in described PDCCH comprises the PDCCH that the semi-continuous PDSCH of instruction activates or indicates the PDCCH that semi-continuous PDSCH resource discharges or the PDCCH that dispatches dynamic PDSCH;

Described definite M at the most channel resource to be detected detected in described base station, receives the information of the M bit of described terminal equipment transmission.

22. methods as claimed in claim 21, is characterized in that, also comprise:

If there is semi-continuous PDSCH in described base station at least one descending sub frame in M descending sub frame on the corresponding downlink main carrier to carry of described terminal equipment, and described at least one exist in the descending sub frame of semi-continuous PDSCH and do not have corresponding PDCCH, the PDCCH of described correspondence is the PDCCH of the semi-continuous PDSCH activation of instruction or the PDCCH that dispatches dynamic PDSCH, described base station determines that the corresponding channel resource of described semi-continuous PDSCH is as the corresponding channel resource of at least one descending sub frame described in alternative channel resource, the corresponding channel resource of described semi-continuous PDSCH is in the pre-configured channel resource of the indicated high level in TPC territory in the PDCCH that activates of the described semi-continuous PDSCH of instruction.

23. methods as described in any one in claim 15 to 17,19 to 22, is characterized in that, the determined channel resource to be detected in described base station, is specially:

PUCCH format1a/1b resource.

24. 1 kinds of base stations, is characterized in that, comprising:

Sending module, sends data for M descending sub frame of the descending carrier C configuration to terminal equipment, wherein, C >=1, M >=1, the ACK/NACK information of the data in a described M descending sub frame is transmitted in same sub-frame of uplink;

Judge module, carries out time domain merging for the ACK/NACK feedback information that judges the data whether described terminal equipment receive a described M descending sub frame;

Determination module, be used in the time that described judge module judges that described terminal equipment carries out time domain merging to described ACK/NACK feedback information, need to feed back the supplementary of feedback bits and the T bit of L bit according to described terminal equipment, determine L+T channel resource to be detected;

Receiver module, for detection of the determined L+T of described determination module channel resource to be detected, receives the information of the L+T bit of described terminal equipment transmission;

Wherein, described sending module, also for:

Send high-level signaling to described terminal equipment, L+T channel resource of described high-level signaling instruction, or indicate at least one group of channel resource, and in described at least one group of channel resource every group comprises L+T channel resource;

Wherein, L>=C, L+T≤default threshold value, T can be fixed as 2 bits, or

25. base stations as claimed in claim 24, is characterized in that,

When needing the bit number of the ACK/NACK feedback information of feedback in a sub-frame of uplink, described terminal equipment is greater than default threshold value, and send data to described terminal equipment on descending auxiliary carrier wave time, described judge module judges that described terminal equipment carries out time domain merging to the ACK/NACK feedback information of the data that receive in a described M descending sub frame;

When needing the bit number of the ACK/NACK feedback information of feedback in a described sub-frame of uplink, terminal equipment is less than or equal to default threshold value, or after the descending carrier of many codeword transmission pattern having been carried out to space merging, while needing the bit number of ACK/NACK feedback information of feedback to be less than or equal to default threshold value in a sub-frame of uplink, described judge module judges that described terminal equipment does not carry out time domain merging to the ACK/NACK feedback information of the data that receive in a described M descending sub frame; Or,

In the time that described sending module only sends data to described terminal equipment on downlink main carrier to carry, described judge module judges that described terminal equipment does not carry out time domain merging to the ACK/NACK feedback information of the data that receive in a described M descending sub frame.

26. base stations as claimed in claim 25, is characterized in that, described determination module, specifically for:

If in a described M descending sub frame, described sending module sends downlink data to described terminal equipment on the descending auxiliary carrier wave of at least one configuration, and described determination module determines that in the high-level signaling sending to described terminal equipment, L+T pre-configured channel resource is described channel resource to be detected;

If in a described M descending sub frame, described sending module sends downlink data to described terminal equipment at least one descending auxiliary carrier wave of configuration, and described determination module is determined L+T described channel resource to be detected by the ACK/NACK resource indication bit of dispatching in the PDCCH of transfer of data on described at least one descending auxiliary carrier wave.

27. base stations as claimed in claim 24, it is characterized in that, if described judge module judges the ACK/NACK feedback information of the data to receiving in a described M descending sub frame and do not carry out time domain merging, and described sending module while only sending data to described terminal equipment on downlink main carrier to carry

Described determination module, also be determined to many M channel resource for the minimum CCE numbering of the PDCCH of the corresponding downlink main carrier to carry by downlink main carrier to carry transmission, as alternative channel resource, each PDCCH in described PDCCH comprises the PDCCH that the semi-continuous PDSCH of instruction activates or indicates the PDCCH that semi-continuous PDSCH resource discharges or the PDCCH that dispatches dynamic PDSCH;

Described receiver module, also for detection of the determined M at the most of described determination module channel resource to be detected, receives the information of the M bit of described terminal equipment transmission;

Wherein, if there is semi-continuous PDSCH in described sending module at least one descending sub frame in M descending sub frame on the corresponding downlink main carrier to carry of described terminal equipment, and described at least one exist in the descending sub frame of semi-continuous PDSCH and do not have corresponding PDCCH, the PDCCH of described correspondence is the PDCCH of the semi-continuous PDSCH activation of instruction or the PDCCH that dispatches dynamic PDSCH, described determination module determines that the corresponding channel resource of described semi-continuous PDSCH is as the corresponding channel resource of at least one descending sub frame described in alternative channel resource, the corresponding channel resource of described semi-continuous PDSCH is in the pre-configured channel resource of the indicated high level in TPC territory in the PDCCH that activates of the described semi-continuous PDSCH of instruction.