Embodiment
For can dynamic-configuration ACK/NACK feedback transmission configuration information, the embodiment of the invention provides a kind of sending method of response feedback transmission of configuration information, in this method, by Physical Downlink Control Channel (PDCCH) to terminal dynamic-configuration ACK/NACK feedback transmission configuration information.
Referring to Fig. 3, the sending method of the response feedback transmission of configuration information that the embodiment of the invention provides may further comprise the steps:
Step 30: the base station is being determined and need generated the ACK/NACK feedback transmission configuration information that needs configuration behind terminal configuration ACK/NACK feedback transmission configuration information;
Step 31: the base station is handed down to terminal by PDCCH with the ACK/NACK feedback transmission configuration information that generates.
In the step 30, the base station can be according to actual transmissions condition and/or the actual schedule situation of UE, and determining whether need be to terminal configuration ACK/NACK feedback transmission configuration information, and this configuration comprises initial configuration and reshuffles; In that determine need be behind terminal configuration ACK/NACK feedback transmission configuration information, the ACK/NACK feedback transmission configuration information that generates the needs configuration according to actual transmissions condition and/or the actual schedule situation of UE.
For example, according to the actual schedule situation time, the ACK/NACK bit number that needs to feed back in corresponding sub-frame of uplink is selected corresponding ACK/NACK feedback model, if the ACK/NACK bit number that needs to feed back in corresponding sub-frame of uplink is not more than 2, the PUCCH form 1a/1b that then configurable UE uses ACK/NACK to merge, if the ACK/NACK bit number that needs to feed back in corresponding sub-frame of uplink is not more than 4, then configurable UE uses the PUCCH form 1b that selects in conjunction with channel, if the ACK/NACK bit number that needs to feed back in corresponding sub-frame of uplink is greater than 4, then configurable UE uses PUCCH form 3; Again for example, when the Channel Transmission condition of reality was relatively poor, transmit diversity transmission mode and/or repeatedly transmitting ACK/nack message were used in configuration, to improve the reliability of PUCCH.
Described ACK/NACK feedback transmission configuration information comprises: one or combination in any in the information of the information of ACK/NACK feedback model, Physical Uplink Control Channel (PUCCH) transmission mode, the information of ACK/NACK repeat pattern.
Described ACK/NACK feedback model is: in conjunction with the PUCCH form 1b of channel selection, or PUCCH form 3, or the PUCCH form 1a/1b of ACK/NACK merging.
Described PUCCH transmission mode is: single antenna port transmission pattern, or transmit diversity transmission mode.
Described ACK/NACK repeat pattern is: repeatedly transmitting ACK/nack message, or repeatedly transmitting ACK/nack message and iterative transfer times, or repeatedly transmitting ACK/nack message not.When ACK/NACK repeat pattern information did not comprise iterative transfer times, this iterative transfer times can dispose to terminal by high-level signaling.High-level signaling among the present invention comprises Radio Resource control (RRC) signaling etc.
Preferable, the base station can also notify terminal whether to use the ACK/NACK feedback transmission configuration information of PDCCH transmission by high-level signaling.This notice can issue before step 31.The base station can issue one or more high-level signaling; Certain bar high-level signaling that the base station issues can notify terminal whether to use all ACK/NACK feedback transmission configuration informations, and at this moment, the base station can issue a high-level signaling; Certain bar high-level signaling that the base station issues can also notify terminal whether to use a kind of ACK/NACK feedback transmission configuration information, at this moment, corresponding to every kind of ACK/NACK feedback transmission configuration information, the base station need issue a high-level signaling and whether use this kind ACK/NACK feedback transmission configuration information with the notice terminal, for example, comprise the ACK/NACK feedback model at ACK/NACK feedback transmission configuration information, during the information of PUCCH transmission mode and ACK/NACK repeat pattern, the base station need issue three high-level signalings, notifies terminal whether to use the information of the ACK/NACK feedback model of PDCCH transmission respectively, the information of PUCCH transmission mode, the information of ACK/NACK repeat pattern; Certain bar high-level signaling that the base station issues can also notify terminal whether to use part A CK/NACK feedback transmission configuration information, at this moment, the base station need issue at least two high-level signalings and whether use corresponding ACK/NACK feedback transmission configuration information with the notice terminal, for example, comprise the ACK/NACK feedback model at ACK/NACK feedback transmission configuration information, during the information of PUCCH transmission mode and ACK/NACK repeat pattern, the base station can issue two high-level signalings, article one, whether high-level signaling notice terminal uses the ACK/NACK feedback model of PDCCH transmission and the information of PUCCH transmission mode, and whether second high-level signaling notice terminal uses the information of the ACK/NACK repeat pattern of PDCCH transmission.
Preferable, terminal can also be handed down to by high-level signaling with the semi-static configuration parameter relevant with the ACK/NACK feedback transmission in the base station.This semi-static configuration parameter can issue before step 31.Illustrate, described semi-static configuration parameter comprises following parameter:
When described ACK/NACK feedback model is the PUCCH form of selecting in conjunction with channel 1, the parameter of the employed PUCCH resource of feeding back ACK/nack message;
Described ACK/NACK feedback model is PUCCH form 3, when described PUCCH transmission mode is single antenna port transmission pattern, the parameter of the employed PUCCH resource of feeding back ACK/nack message;
Described ACK/NACK feedback model is PUCCH form 3, when described PUCCH transmission mode is the transmit diversity transmission mode, the parameter of the employed PUCCH resource of feeding back ACK/nack message;
Described ACK/NACK feedback model is that PUCCH form 1a/1b, described PUCCH transmission mode that ACK/NACK merges are single antenna port transmission pattern and described ACK/NACK repeat pattern when being repeatedly transmitting ACK/nack message, the parameter of the employed PUCCH resource of feeding back ACK/nack message;
PUCCH form 1a/1b, the described PUCCH transmission mode that described ACK/NACK feedback model merges for A CK/NACK is transmit diversity transmission mode and described ACK/NACK repeat pattern when being repeatedly transmitting ACK/nack message, the parameter of the employed PUCCH resource of feeding back ACK/nack message.
The base station can adopt following three kinds of modes to carry ACK/NACK feedback transmission configuration information in Downlink Control Information (DCI):
The first, the difference indicating mode: the DCI that carries described ACK/NACK feedback transmission configuration information comprises three information fields, and one of them information field is used to carry the information of the described ACK/NACK feedback model of indication, and this information field comprises
Bit, wherein A is the quantity of configurable feedback model; Another information field is used to carry the information of the described PUCCH transmission mode of indication, and this information field comprises
Bit, B is the quantity of configurable transmission mode, the 3rd information field is used to carry the information of the described ACK/NACK repeat pattern of indication, this information field can comprise 1 bit, this moment, 1 bit indicated whether repeatedly transmitting ACK/NACK, the ACK/NACK iterative transfer times can be disposed by high-level signaling, and this information field can also comprise
Bit, wherein C is configurable iterative transfer times, needs to reserve a kind of state representation in the indication information and does not carry out the ACK/NACK repetition, therefore actual effectively indicating status is C+1.
Second, whole joint instructions modes: the DCI that carries described ACK/NACK feedback transmission configuration information comprises an information field, this information field is used to carry the information of indicating described ACK/NACK feedback model, described PUCCH transmission mode and described ACK/NACK repeat pattern simultaneously, and this bit field comprises
Bit, wherein E is the quantity of the combination of configurable feedback model, PUCCH transmission mode and ACK/NACK repeat pattern, and max (A, B, C)<E≤A * B * (C+1).
The 3rd, part joint instructions mode: the DCI that carries described ACK/NACK feedback transmission configuration information comprises two information fields, one of them information field is used for carrying the information of any two patterns of indicating described ACK/NACK feedback model, described PUCCH transmission mode and described ACK/NACK repeat pattern, and another information field is used to carry the information of the 3rd pattern.For example, an information field uses
Bit indication feedback model and PUCCH transmission mode, wherein D is the quantity of configurable feedback model and the combination of PUCCH transmission mode, and max (A, B)<D≤A * B, another information field can comprise 1 bit, this moment, 1 bit indicated whether repeatedly transmitting ACK/NACK, and the ACK/NACK iterative transfer times can be disposed by high-level signaling, and this information field can also comprise
Bit, wherein C is configurable iterative transfer times.
For example, configurable feedback model comprises in the system: PUCCH format 1a/1b, and in conjunction with the PUCCH format 1b that channel is selected, PUCCH format 3.PUCCH format 1a/1b and PUCCHformat 3 support single antenna port transmission and transmit diversity transmission, and the PUCCH format1b that selects in conjunction with channel only supports the single antenna port transmission.All can support ACK/NACK to repeat when PUCCH format 1a/1b single antenna port and transmit diversity, number of repetition is respectively 2,4,6, and the PUCCH format1b and the PUCCH format 3 that select in conjunction with channel do not support ACK/NACK to repeat.A=3 then, B=2, C=3, D=5, E=11.
Referring to Fig. 4, the embodiment of the invention also provides a kind of response message feedback method, may further comprise the steps:
Step 40: terminal receives the ACK/NACK feedback transmission configuration information that the base station issues by PDCCH;
Step 41: terminal according to described ACK/NACK feedback transmission configuration information to base station feedback ACK/NACK information.
The specific implementation of step 41 can be as follows::
Terminal is determined or combination in any in the indicated ACK/NACK feedback model of described ACK/NACK feedback transmission configuration information, Physical Uplink Control Channel PUCCH transmission mode, the ACK/NACK repeat pattern; Terminal is according to determining that the result is to base station feedback ACK/NACK information.
Described ACK/NACK feedback model is: in conjunction with the PUCCH form 1b of channel selection, or PUCCH form 3, or the PUCCH form 1a/1b of ACK/NACK merging.
Described PUCCH transmission mode is: single antenna port transmission pattern, or transmit diversity transmission mode.
Described ACK/NACK repeat pattern is: repeatedly transmitting ACK/nack message, or repeatedly transmitting ACK/nack message and iterative transfer times, or repeatedly transmitting ACK/nack message not.
Preferable, terminal according to described ACK/NACK feedback transmission configuration information before base station feedback ACK/NACK information, terminal receives the notice of the ACK/NACK feedback transmission configuration information that whether uses the PDCCH transmission that the base station sends by high-level signaling; Then in the step 41 terminal in described notice when using the ACK/NACK feedback transmission configuration information of PDCCH transmission, according to described ACK/NACK feedback transmission configuration information to base station feedback ACK/NACK information.
Preferable, terminal according to described ACK/NACK feedback transmission configuration information before base station feedback ACK/NACK information, terminal receives the semi-static configuration parameter relevant with the ACK/NACK feedback transmission that the base station issues by high-level signaling; Then in the step 41 terminal according to described ACK/NACK feedback transmission configuration information and described semi-static configuration parameter, to base station feedback ACK/NACK information.
Described semi-static configuration parameter comprises:
When described ACK/NACK feedback model is the PUCCH form of selecting in conjunction with channel 1, the parameter of the employed PUCCH resource of feeding back ACK/nack message;
Described ACK/NACK feedback model is PUCCH form 3, when described PUCCH transmission mode is single antenna port transmission pattern, the parameter of the employed PUCCH resource of feeding back ACK/nack message;
Described ACK/NACK feedback model is PUCCH form 3, when described PUCCH transmission mode is the transmit diversity transmission mode, the parameter of the employed PUCCH resource of feeding back ACK/nack message;
Described ACK/NACK feedback model is that PUCCH form 1a/1b, described PUCCH transmission mode that ACK/NACK merges are single antenna port transmission pattern and described ACK/NACK repeat pattern when being repeatedly transmitting ACK/nack message, the parameter of the employed PUCCH resource of feeding back ACK/nack message;
PUCCH form 1a/1b, the described PUCCH transmission mode that described ACK/NACK feedback model merges for A CK/NACK is transmit diversity transmission mode and described ACK/NACK repeat pattern when being repeatedly transmitting ACK/nack message, the parameter of the employed PUCCH resource of feeding back ACK/nack message.
Among the present invention, for reducing the PDCCH expense, dynamic adjustment switch can be set, whether the base station can use PDCCH dynamically to adjust the configuration of ACK/NACK feedback transmission by RRC signaling UE earlier.For different configuration informations switch can be set respectively, the shared same switch of partial information, or whole shared same switch.
When dynamically adjusting switch open, the base station needs to increase corresponding ACK/NACK feedback transmission configuration information in DCI.This information can be indicated by increasing new bit, also can redefine bit in the existing information territory and indicate.When dynamically the adjustment switch cuts out, no corresponding ACK/NACK feedback transmission configuration information among the DCI.
Embodiment:
Step 1: the base station generates the ACK/NACK feedback transmission configuration information that needs dispose according to actual transmissions condition and/or the scheduling situation of UE;
Step 2: PDCCH is passed through with the ACK/NACK feedback transmission configuration information that generates in the base station, is handed down to terminal;
Step 3: terminal receives the ACK/NACK feedback transmission configuration information that the base station issues by PDCCH;
Step 4: one or combination in any in the ACK/NACK feedback model that terminal is indicated according to described ACK/NACK feedback transmission configuration information, PUCCH transmission mode, the ACK/NACK repeat pattern, to base station feedback ACK/NACK information.
Referring to Fig. 5, the embodiment of the invention also provides a kind of wireless communication system, and this system comprises:
Base station 50 is used for determining and need generating the ACK/NACK feedback transmission configuration information that needs configuration behind terminal configuration affirmative acknowledgement ACK/ negative response NACK feedback transmission configuration information; By physical downlink control channel PDCCH, the ACK/NACK feedback transmission configuration information that generates is handed down to terminal;
Terminal 51 is used for receiving the ACK/NACK feedback transmission configuration information that the base station issues by PDCCH; According to described ACK/NACK feedback transmission configuration information to base station feedback ACK/NACK information.
Referring to Fig. 6, the embodiment of the invention also provides a kind of transmitting apparatus of response feedback transmission of configuration information, and this equipment comprises:
Configuration information generation unit 60 is used for determining and need generating the ACK/NACK feedback transmission configuration information that needs configuration behind terminal configuration affirmative acknowledgement ACK/ negative response NACK feedback transmission configuration information;
Configuration information transmitting element 61 is used for by physical downlink control channel PDCCH, and the ACK/NACK feedback transmission configuration information that generates is handed down to terminal.
Further, described ACK/NACK feedback transmission configuration information comprises: one or combination in any in the information of the information of ACK/NACK feedback model, Physical Uplink Control Channel PUCCH transmission mode, the information of ACK/NACK repeat pattern.
Further, described ACK/NACK feedback model is: in conjunction with the PUCCH form 1b of channel selection, or PUCCH form 3, or the PUCCH form 1a/1b of ACK/NACK merging.
Further, described PUCCH transmission mode is: single antenna port transmission pattern, or transmit diversity transmission mode.
Further, described ACK/NACK repeat pattern is: repeatedly transmitting ACK/nack message, or repeatedly transmitting ACK/nack message and iterative transfer times, or repeatedly transmitting ACK/nack message not.
Further, this equipment also comprises:
Notification unit 62 is used for the ACK/NACK feedback transmission configuration information that whether uses PDCCH to transmit by high-level signaling notice terminal.
Further, this equipment also comprises:
Semi-static dispensing unit 63 is used for the semi-static configuration parameter relevant with the ACK/NACK feedback transmission is handed down to terminal by high-level signaling.
Further, described semi-static configuration parameter comprises:
When described ACK/NACK feedback model is the PUCCH form of selecting in conjunction with channel 1, the parameter of the employed PUCCH resource of feeding back ACK/nack message;
Described ACK/NACK feedback model is PUCCH form 3, when described PUCCH transmission mode is single antenna port transmission pattern, the parameter of the employed PUCCH resource of feeding back ACK/nack message;
Described ACK/NACK feedback model is PUCCH form 3, when described PUCCH transmission mode is the transmit diversity transmission mode, the parameter of the employed PUCCH resource of feeding back ACK/nack message;
Described ACK/NACK feedback model is that PUCCH form 1a/1b, described PUCCH transmission mode that ACK/NACK merges are single antenna port transmission pattern and described ACK/NACK repeat pattern when being repeatedly transmitting ACK/nack message, the parameter of the employed PUCCH resource of feeding back ACK/nack message;
PUCCH form 1a/1b, the described PUCCH transmission mode that described ACK/NACK feedback model merges for A CK/NACK is transmit diversity transmission mode and described ACK/NACK repeat pattern when being repeatedly transmitting ACK/nack message, the parameter of the employed PUCCH resource of feeding back ACK/nack message.
Referring to Fig. 7, the embodiment of the invention also provides a kind of response message feedback device, and this equipment comprises:
Configuration information receiving element 70 is used for receiving the affirmative acknowledgement ACK/ negative response NACK feedback transmission configuration information that the base station issues by physical downlink control channel PDCCH;
Response feedback unit 71 is used for according to described ACK/NACK feedback transmission configuration information to base station feedback ACK/NACK information.
Further, described response feedback unit 71 is used for:
Determine one or combination in any in the indicated ACK/NACK feedback model of described ACK/NACK feedback transmission configuration information, Physical Uplink Control Channel PUCCH transmission mode, the ACK/NACK repeat pattern; According to definite result to base station feedback ACK/NACK information.
Further, described ACK/NACK feedback model is: in conjunction with the PUCCH form 1b of channel selection, or PUCCH form 3, or the PUCCH form 1a/1b of ACK/NACK merging.
Further, described PUCCH transmission mode is: single antenna port transmission pattern, or transmit diversity transmission mode.
Further, described ACK/NACK repeat pattern is: repeatedly transmitting ACK/nack message, or repeatedly transmitting ACK/nack message and iterative transfer times, or repeatedly transmitting ACK/nack message not.
Further, this equipment also comprises:
Notice receiving element 72, be used for according to described ACK/NACK feedback transmission configuration information before base station feedback ACK/NACK information, receive the notice of the ACK/NACK feedback transmission configuration information that whether uses the PDCCH transmission that the base station sends by high-level signaling;
Accordingly, described response feedback unit 71 is used for:
In described notice when using the ACK/NACK feedback transmission configuration information of PDCCH transmission, according to described ACK/NACK feedback transmission configuration information to base station feedback ACK/NACK information.
Further, this equipment also comprises:
Semi-static configuration parameter receiving element 73, be used for according to described ACK/NACK feedback transmission configuration information before base station feedback ACK/NACK information, receive the semi-static configuration parameter relevant that the base station issues by high-level signaling with the ACK/NACK feedback transmission;
Accordingly, described response feedback unit 71 is used for:
According to described ACK/NACK feedback transmission configuration information and described semi-static configuration parameter, to base station feedback ACK/NACK information.
Further, described semi-static configuration parameter comprises:
When described ACK/NACK feedback model is the PUCCH form of selecting in conjunction with channel 1, the parameter of the employed PUCCH resource of feeding back ACK/nack message;
Described ACK/NACK feedback model is PUCCH form 3, when described PUCCH transmission mode is single antenna port transmission pattern, the parameter of the employed PUCCH resource of feeding back ACK/nack message;
Described ACK/NACK feedback model is PUCCH form 3, when described PUCCH transmission mode is the transmit diversity transmission mode, the parameter of the employed PUCCH resource of feeding back ACK/nack message;
Described ACK/NACK feedback model is that PUCCH form 1a/1b, described PUCCH transmission mode that ACK/NACK merges are single antenna port transmission pattern and described ACK/NACK repeat pattern when being repeatedly transmitting ACK/nack message, the parameter of the employed PUCCH resource of feeding back ACK/nack message;
PUCCH form 1a/1b, the described PUCCH transmission mode that described ACK/NACK feedback model merges for A CK/NACK is transmit diversity transmission mode and described ACK/NACK repeat pattern when being repeatedly transmitting ACK/nack message, the parameter of the employed PUCCH resource of feeding back ACK/nack message.
To sum up, beneficial effect of the present invention comprises:
In the scheme that the embodiment of the invention provides, the base station is in that determine need be behind terminal configuration affirmative acknowledgement ACK/ negative response NACK feedback transmission configuration information, generate the ACK/NACK feedback transmission configuration information that needs configuration, and the ACK/NACK feedback transmission configuration information that generates is handed down to terminal by PDCCH; Terminal receives the ACK/NACK feedback transmission configuration information that the base station issues by PDCCH, and according to the ACK/NACK feedback transmission configuration information that receives to base station feedback ACK/NACK information.Courseware adopts the present invention, the base station as required by PDCCH to terminal dynamic-configuration ACK/NACK feedback transmission configuration information, thereby realized the purpose of dynamic-configuration ACK/NACK feedback transmission configuration information.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out by the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device, make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of carrying out on computer or other programmable devices is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Although described the preferred embodiments of the present invention, in a single day those skilled in the art get the basic creative notion of cicada, then can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.