CN104185963A - Hybrid automatic repeat request feedback method, base station, and user equipment - Google Patents

Hybrid automatic repeat request feedback method, base station, and user equipment Download PDF

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Publication number
CN104185963A
CN104185963A CN201380000057.5A CN201380000057A CN104185963A CN 104185963 A CN104185963 A CN 104185963A CN 201380000057 A CN201380000057 A CN 201380000057A CN 104185963 A CN104185963 A CN 104185963A
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China
Prior art keywords
process group
feedback
user equipment
base station
group
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CN201380000057.5A
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CN104185963B (en
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李秉肇
陈燕燕
冯莉
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1822—Automatic repetition systems, e.g. Van Duuren systems involving configuration of automatic repeat request [ARQ] with parallel processes

Abstract

The present invention provides a hybrid automatic repeat request (HARQ) feedback method, a base station, and a user equipment. The method comprises: a base station determining a process group, wherein the process group comprises at least two processes; the base station invoking a process to send downlink data to a user equipment; and the base station receiving, at a feedback time corresponding to the process group, HARQ acknowledgement information sent by the user equipment. Therefore, the power required for HARQ feedback is reduced.

Description

Hybrid automatic repeat request feedback method, base station, and user equipment
The present invention relates to communication technical field, more particularly to a kind of hybrid automatic repeat-request feedback method, base station and user equipment for hybrid automatic repeat-request feedback method, base station and user equipment technical field.Background technology
High-speed slender body theory（High-Speed Downlink Packet Access, abbreviation HSDPA) hybrid automatic repeat-request is used in technology（Hybrid Automatic Repeat Request, abbreviation HARQ) it is transmitted, a HARQ process is fixed from time for receiving confirmation is sent data to, and before receiving an acknowledgement, the HARQ processes can not continue to transmit data.
In the prior art, in order to which continuous data is transmitted, user equipment（User Equipment, abbreviation UE) to support while the requirement that data are continuously transmitted could be met by sending 6 HARQ processes.In order to ensure that each process can confirm as soon as possible, to carry out data transfer next time, each HARQ processes are individually fed back.However, this make it that the power of uplink feedback is larger.The content of the invention
The embodiment of the present invention provides a kind of hybrid automatic repeat-request feedback method, base station and user equipment, the problem of power to solve HARQ feedback needs is larger.
In a first aspect, the embodiment of the present invention provides a kind of hybrid automatic repeat-request feedback method, including：Base station determines process group, and the process group includes at least two processes；
The base station calling process sends downlink data to user equipment；
The base station receives the HARQ confirmations that the user equipment is sent in the corresponding feedback time of the process group.
In the first possible implementation of first aspect, the determination process group, including：The time that the base station is scheduled according to process determines the process group；Or, the base station determines the process group according to process number.
According to the first possible implementation of first aspect, in second of possible implementation, the process scheduled time includes：Frame number and subframe numbers. According to the first possible implementation of first aspect, in the third possible implementation, the time that the base station is scheduled according to process determines the process group, including：
The base station meets [(frame number+5* subframe numbers by continuous n）Mould n=0] subframe and satisfaction [(frame number+5* subframe numbers）Mould n=l] subframe, until meet [(frame number+5* subframe numbers）Mould n=n- l] integer.
The third possible implementation of the second possible implementation and first aspect of the first possible implementation, first aspect with reference to first aspect, first aspect, in the 4th kind of possible implementation, in addition to：
The base station sends joint feedback to user equipment and indicates message, and the joint feedback indicates that message is used to indicate that the user equipment carries out joint HARQ feedback to the process group, and the process group includes at least two processes.
Second of possible implementation of the first possible implementation, first aspect with reference to first aspect, first aspect, 4th kind of possible implementation of the third possible implementation and first aspect of first aspect, in the 5th kind of possible implementation, the base station is sent to user equipment after joint feedback instruction message, in addition to：
The base station sends to the user equipment and indicates that the activation of message indicates or deactivated to indicate to the joint feedback, the activation instruction is used to indicate that the user equipment is performed to process group progress joint HARQ feedback, and the deactivation indicates to be used to indicate that the user is not performed to process group progress joint HARQ feedback.
Second of possible implementation of the first possible implementation, first aspect with reference to first aspect, first aspect, the third possible implementation of first aspect, the 5th kind of possible implementation of the 4th kind of possible implementation and first aspect of first aspect, in the 6th kind of possible implementation, the joint feedback indicates that message includes：Call sequence of the process number and each process that the process group includes in the process group.
With reference to the first possible realization, the 4th kind of possible implementation of second of possible implementation of first aspect, the third possible implementation of first aspect, first aspect, the 6th kind of possible implementation of the 5th kind of possible implementation and first aspect of first aspect of first aspect, first aspect, in the 7th kind of possible implementation, the base station determines the process group feedback time, including： The base station is entered to use order according to the number of processes included in the process group, the called downlink data that sends, and determines the corresponding feedback time of the process group；Or,
The base station determines the corresponding feedback time of the process group according to the called process corresponding scheduling time for sending downlink data.
According to the 7th of first aspect the kind of possible implementation, in the 8th kind of possible implementation, the called process corresponding scheduling time for sending downlink data, including：The called corresponding frame number of process and subframe numbers for sending downlink data.
According to the 7th of first aspect the kind of possible implementation, in the 9th kind of possible implementation, the base station according to the number of processes included in the process group, the corresponding feedback time of process group of the called process for sending downlink data, including：
The base station is according to each call sequence of the process in the process group in the number of processes and the process group included in the process group, it is determined that the skew TTI of each process;
The base station determines the feedback reference TTI of the process group according to the TTI and its corresponding skew TTI of any called process for sending downlink data in the process group;
The feedback reference TTI of the process group feedback times associated are defined as the corresponding feedback time of the process group by the base station.
With reference to the 8th kind of possible implementation of the third possible implementation and first aspect of first aspect, in the tenth kind of possible implementation, the base station is according to the called corresponding frame number of process and subframe numbers for sending downlink data, the corresponding feedback time of the process group is determined, including：
The base station will meet [(frame number+5* subframe numbers）Mould n=n- l] relation subframe association feedback time be defined as the corresponding feedback time of the process group.
With reference to first aspect, the possible implementation of the first of first aspect, second of possible implementation of first aspect, the third possible implementation of first aspect, 4th kind of possible implementation of first aspect, 5th kind of possible implementation of first aspect, 6th kind of possible implementation of first aspect, 7th kind of possible implementation of first aspect, 8th kind of possible implementation of first aspect, tenth kind of possible implementation of the 9th kind of possible implementation and first aspect of first aspect, in a kind of the tenth possible implementation, also include：
The base station is by entering that the process called at least two carrier waves is defined as that the process group includes Journey.
According to a kind of the tenth possible implementation of first aspect, in the 12nd kind of possible implementation, the TTI length of at least two carrier wave is different, and the process group feedback time is determined according to process shorter TTI.
According to the 12nd of first aspect the kind of possible implementation, in the 13rd kind of possible implementation, if the process called on two carrier waves is defined as the process that the process group includes by the base station, enter number of passes and the product of the TTI length of the carrier wave in the process group that then a carrier wave in described two carrier waves is included, equal to the Τ length of another carrier wave in described two carrier waves.
With reference to first aspect, the possible implementation of the first of first aspect, second of possible implementation of first aspect, the third possible implementation of first aspect, 4th kind of possible implementation of first aspect, 5th kind of possible implementation of first aspect, 6th kind of possible implementation of first aspect, 7th kind of possible implementation of first aspect, 8th kind of possible implementation of first aspect, 9th kind of possible implementation of first aspect, tenth kind of possible implementation of first aspect, tenth kind of possible implementation of first aspect, 13rd kind of possible implementation of the 12nd kind of possible implementation and first aspect of first aspect, in the 14th kind of possible implementation, the base station is in the HARQ confirmations that the corresponding feedback time of the process group is received：The combined coding information of the HARQ confirmations for each process that the process group includes.
Second aspect, the embodiment of the present invention provides a kind of hybrid automatic repeat-request feedback method, including：User equipment determines process group, and the process group includes at least two processes；
The user equipment receives the downlink data that the process called the base station is sent；
The user equipment is in the corresponding feedback time of the process group to the base station feedback HARQ confirmations.
In the first possible implementation of second aspect, the determination process group, including：The time that the user equipment is scheduled according to process determines the process group；Or, the base station determines the process group according to process number.
According to the first possible implementation of second aspect, in second of possible implementation, the process scheduled time includes：Frame number and subframe numbers.
According to the first possible implementation of second aspect, in the third possible implementation, the time that the user equipment is scheduled according to process determines the process group, including：
The user equipment meets [(frame number+5* subframe numbers by continuous n）Mould n=0] subframe and full Foot [(frame number+5* subframe numbers）Mould n=l] subframe, until meet [(frame number+5* subframe numbers）Mould n=n- l] integer.
The third possible implementation of the second possible implementation and second aspect of the first possible implementation, second aspect with reference to second aspect, second aspect, in the 4th kind of possible implementation, the user equipment is received before the downlink data that the process called the base station is sent, in addition to：
The user equipment receives the joint feedback instruction message that base station is sent, and the joint feedback indicates that message is used to indicate that the user equipment carries out joint HARQ feedback to the process group, and the process group includes at least two processes.
Second of possible implementation of the first possible implementation, second aspect with reference to second aspect, second aspect, 4th kind of possible implementation of the third possible implementation and second aspect of second aspect, in the 5th kind of possible implementation, the user equipment is received after the joint feedback instruction message that base station is sent, in addition to：
The user equipment receives indicating or deactivation instruction the activation for combining feedback instruction message for the base station transmission, the activation instruction is used to indicate that the user equipment is performed to process group progress joint HARQ feedback, and the deactivation indicates to be used to indicate that the user is not performed to process group progress joint HARQ feedback.
Second of possible implementation of the first possible implementation, second aspect with reference to second aspect, second aspect, the third possible implementation of second aspect, the 5th kind of possible implementation of the 4th kind of possible implementation and second aspect of second aspect, in the 6th kind of possible implementation, the joint feedback indicates that message includes：Call sequence of the process number and each process that the process group includes in the process group.
Second of possible implementation, the third possible implementation of second aspect, the 4th kind of possible implementation of second aspect, the 6th kind of possible implementation of the 5th kind of possible implementation and second aspect of second aspect of the first possible implementation, second aspect with reference to second aspect, second aspect, in the 7th kind of possible implementation, the user equipment determines the process group feedback time, including：
The user equipment is according to the number of processes included in the process group, the transmission time gap TTI of the called process for sending downlink data and the called process for sending downlink data in the process group Call sequence, determine the corresponding feedback time of the process group；Or,
The user equipment determines the process group corresponding scheduling time according to the called corresponding feedback time of process for sending downlink data.
According to the 7th of second aspect the kind of possible implementation, in the 8th kind of possible implementation, the called process corresponding scheduling time for sending downlink data, including：The called corresponding frame number of process and subframe numbers for sending downlink data.
According to the 7th of second aspect the kind of possible implementation, in the 9th kind of possible implementation, the user equipment according to the number of processes included in the process group, it is called send downlink data enter the corresponding feedback time of the process group, including：
The user equipment is according to each call sequence of the process in the process group in the number of processes and the process group included in the process group, it is determined that the skew TTI of each process;
The user equipment determines the feedback reference TTI of the process group according to the TTI and its corresponding skew TTI of any called process for sending downlink data in the process group;
The feedback reference TTI of the process group feedback times associated are defined as the corresponding feedback time of the process group by the user equipment.
With reference to the 8th kind of possible implementation of the third possible implementation and second aspect of second aspect, in the tenth kind of possible implementation, the user equipment is according to the called corresponding frame number of process and subframe numbers for sending downlink data, the corresponding feedback time of the process group is determined, including：
The user equipment will meet [(frame number+5* subframe numbers）Mould n=n- l] relation subframe association feedback time be defined as the corresponding feedback time of the process group.
With reference to second aspect, the possible implementation of the first of second aspect, second of possible implementation of second aspect, the third possible implementation of second aspect, 4th kind of possible implementation of second aspect, 5th kind of possible implementation of second aspect, 6th kind of possible implementation of second aspect, 7th kind of possible implementation of second aspect, 8th kind of possible implementation of second aspect, tenth kind of possible implementation of the 9th kind of possible implementation and second aspect of second aspect, in a kind of the tenth possible implementation, also include：
The process called at least two carrier waves is defined as the process that the process group includes by the user equipment.
According to a kind of the tenth possible implementation of second aspect, in the 12nd kind of possible implementation In, the Τ Τ Ι length of at least two carrier wave is different, and the process group feedback time is determined according to process shorter Τ Τ Ι.
According to the 12nd of second aspect the kind of possible implementation, in the 13rd kind of possible implementation, if the process called on two carrier waves is defined as the process that the process group includes by the user equipment, enter number of passes and the product of the Τ Τ Ι length of the carrier wave in the process group that then a carrier wave in described two carrier waves is included, equal to the Τ Τ Ι length of another carrier wave in described two carrier waves.
With reference to second aspect, the possible implementation of the first of second aspect, second of possible implementation of second aspect, the third possible implementation of second aspect, 4th kind of possible implementation of second aspect, 5th kind of possible implementation of second aspect, 6th kind of possible implementation of second aspect, 7th kind of possible implementation of second aspect, 8th kind of possible implementation of second aspect, 9th kind of possible implementation of second aspect, tenth kind of possible implementation of second aspect, tenth kind of possible implementation of second aspect, 13rd kind of possible implementation of the 12nd kind of possible implementation and second aspect of second aspect, in the 14th kind of possible implementation, the user equipment is to the HARQ confirmations of the base station feedback in the corresponding feedback time of the process group：The combined coding information of the HARQ confirmations for each process that the process group includes.
The third aspect, the embodiment of the present invention provides a kind of base station, including：
First process group determining module, for determining process group, the process group includes at least two processes；
Data transmission blocks, downlink data is sent for calling process to the user equipment；
Confirmation module is received, for receiving the HARQ confirmations that the user equipment is sent in the corresponding feedback time of the process group.
In the first possible implementation of the third aspect, the first process group determining module, including：
Process group determining unit, the time for being scheduled according to process determines the process group；Or, for determining the process group according to process number.
According to the first possible implementation of the third aspect, in the third possible implementation, the process scheduled time includes：Frame number and subframe numbers.
According to the first possible implementation of the third aspect, in the third possible implementation, the process group determining unit, including： First continuous subframes determining unit, for meeting [(frame number+5* subframe numbers by continuous n）Mould n=0] subframe and satisfaction [(frame number+5* subframe numbers）Mould n=l] subframe, until meet [(frame number+5* subframe numbers：) it is more than or equal to 2 integer.
The third possible implementation of the second possible implementation and the third aspect of the first possible implementation, the third aspect with reference to the third aspect, the third aspect, in the 4th kind of possible implementation, above-mentioned base station also includes：Joint feedback indicates sending module, indicates message for sending joint feedback to user equipment, the joint feedback indicates that message is used to indicate that the user equipment carries out joint HARQ feedback to the process group, and the process group includes at least two processes.
Second of possible implementation of the first possible implementation, the third aspect with reference to the third aspect, the third aspect, 4th kind of possible implementation of the third possible implementation and the third aspect of the third aspect, in the 5th kind of possible implementation, above-mentioned base station also includes：Activation deactivates instruction sending module, the activation of message, which indicates or deactivated to indicate, to be indicated to the joint feedback for being sent to the user equipment, the activation instruction is used to indicate that the user equipment is performed to process group progress joint HARQ feedback, and the deactivation indicates to be used to indicate that the user is not performed to process group progress joint HARQ feedback.
Second of possible implementation of the first possible implementation, the third aspect with reference to the third aspect, the third aspect, the third possible implementation of the third aspect, the 5th kind of possible implementation of the 4th kind of possible implementation and the third aspect of the third aspect, in the 6th kind of possible implementation, the joint feedback indicates that message includes：Call sequence of the process number and each process that the process group includes in the process group.
Second of possible implementation, the third possible implementation of the third aspect, the 4th kind of possible implementation of the third aspect, the 6th kind of possible implementation of the 5th kind of possible implementation and the third aspect of the third aspect of the first possible implementation, the third aspect with reference to the third aspect, the third aspect, in the 7th kind of possible implementation, above-mentioned base station also includes：
First progress feedback time determining module, for the call sequence according to the number of processes included in the process group, the transmission time gap TTI of the called process for sending downlink data and the called process for sending downlink data in the process group, the corresponding feedback time of the process group is determined；Or, the first subframe feedback time determining module, for sending the process corresponding scheduling time of downlink data according to being called in the process group, determines the corresponding feedback time of the process group. According to the 7th of the third aspect the kind of possible implementation, in the 8th kind of possible implementation, the called process corresponding scheduling time for sending downlink data, including：The called corresponding frame number of process and subframe numbers for sending downlink data.
According to the 7th of the third aspect the kind of possible implementation, in the 9th kind of possible implementation, the first progress feedback time determining module includes：
First skew TTI determining units, for according to each call sequence of the process in the process group in the number of processes and the process group included in the process group, it is determined that the skew of each process
TTI;
First feedback reference TTI determining units, the feedback reference TTI for determining the process group according to the TTI and its corresponding skew TTI of any called process for sending downlink data in the process group;First progress feedback time determining unit, for the feedback time of the feedback reference TTI associations of the process group to be defined as into the corresponding feedback time of the process group.
With reference to the 8th kind of possible implementation of the third possible implementation and the third aspect of the third aspect, in the tenth kind of possible implementation, the first subframe feedback time determining module, including：First subframe feedback time determining unit, for [(frame number+5* subframe numbers will to be met）Mould n=n-l] relation subframe association feedback time be defined as the corresponding feedback time of the process group.
With reference to the third aspect, the possible implementation of the first of the third aspect, second of possible implementation of the third aspect, the third possible implementation of the third aspect, 4th kind of possible implementation of the third aspect, 5th kind of possible implementation of the third aspect, 6th kind of possible implementation of the third aspect, 7th kind of possible implementation of the third aspect, 8th kind of possible implementation of the third aspect, tenth kind of possible implementation of the 9th kind of possible implementation and the third aspect of the third aspect, in a kind of the tenth possible implementation, above-mentioned base station also includes：
First carrier process group determining module, for the process called at least two carrier waves to be defined as into the process that the process group includes.
According to a kind of the tenth possible implementation of the third aspect, in the 12nd kind of possible implementation, the TTI length of at least two carrier wave is different, and the process group feedback time is determined according to process shorter TTI.
According to the 12nd of the third aspect the kind of possible implementation, in the 13rd kind of possible implementation, if entering number of passes and the Τ length of the carrier wave in the process group that the carrier wave that the process called on two carrier waves is defined as in the process that the process group includes, described two carrier waves is included Product, equal to the TTI length of another carrier wave in described two carrier waves.
With reference to the third aspect, the possible implementation of the first of the third aspect, second of possible implementation of the third aspect, the third possible implementation of the third aspect, 4th kind of possible implementation of the third aspect, 5th kind of possible implementation of the third aspect, 6th kind of possible implementation of the third aspect, 7th kind of possible implementation of the third aspect, 8th kind of possible implementation of the third aspect, 9th kind of possible implementation of the third aspect, tenth kind of possible implementation of the third aspect, tenth kind of possible implementation of the third aspect, 13rd kind of possible implementation of the 12nd kind of possible implementation and the third aspect of the third aspect, in the 14th kind of possible implementation, it is in the HARQ confirmations of the corresponding feedback time reception of the process group：The combined coding information of the HARQ confirmations for each process that the process group includes.
Fourth aspect, the embodiment of the present invention provides a kind of user equipment, including：
Second process group determining module, for determining process group, the process group includes at least two processes；
Data reception module, the downlink data that the process called the base station for receiving is sent；
Send confirmation module, in the corresponding feedback time of the process group to the base station feedback
HARQ confirmations.
In the first possible implementation of fourth aspect, the process group determining module, including：Process group determining unit, the time for being scheduled according to process determines the process group；Or, for determining the process group according to process number.
According to the first possible implementation of fourth aspect, in the third possible implementation, the process scheduled time includes：Frame number and subframe numbers.
According to the first possible implementation of fourth aspect, in the third possible implementation, the process group determining unit, including：
Second continuous subframes determining unit, for meeting [(frame number+5* subframe numbers by continuous n）Mould n=0] subframe and satisfaction [(frame number+5* subframe numbers）Mould n=l] subframe, until meet [(frame number+5* subframe numbers：) it is more than or equal to 2 integer.
The third possible implementation of the second possible implementation and fourth aspect of the first possible implementation, fourth aspect with reference to fourth aspect, fourth aspect, in the 4th kind of possible implementation, above-mentioned user equipment also includes： Joint feedback indicates receiving module, indicates message for receiving the joint feedback of base station transmission, the joint feedback indicates that message is used to indicate that the user equipment carries out joint HARQ feedback to the process group, and the process group includes at least two processes.
Second of possible implementation of the first possible implementation, fourth aspect with reference to fourth aspect, fourth aspect, 4th kind of possible implementation of the third possible implementation and fourth aspect of fourth aspect, in the 5th kind of possible implementation, above-mentioned user equipment also includes：Activation deactivates instruction receiving module, indicate or deactivate to indicate for receiving the activation to the joint feedback instruction message that the base station is sent, the activation instruction is used to indicate that the user equipment is performed to process group progress joint HARQ feedback, and the deactivation indicates to be used to indicate that the user is not performed to process group progress joint HARQ feedback.
Second of possible implementation of the first possible implementation, fourth aspect with reference to fourth aspect, fourth aspect, the third possible implementation of fourth aspect, the 5th kind of possible implementation of the 4th kind of possible implementation and fourth aspect of fourth aspect, in the 6th kind of possible implementation, the joint feedback indicates that message includes：Call sequence of the process number and each process that the process group includes in the process group.
Second of possible implementation, the third possible implementation of fourth aspect, the 4th kind of possible implementation of fourth aspect, the 6th kind of possible implementation of the 5th kind of possible implementation and fourth aspect of fourth aspect of the first possible implementation, fourth aspect with reference to fourth aspect, fourth aspect, in the 7th kind of possible implementation, above-mentioned user equipment also includes：Second progress feedback time determining module, for the call sequence according to the number of processes included in the process group, the transmission time gap TTI of the called process for sending downlink data and the called process for sending downlink data in the process group, the corresponding feedback time of the process group is determined；Or, the second subframe feedback time determining module, for sending the process corresponding scheduling time of downlink data according to being called in the process group, determines the corresponding feedback time of the process group.
According to the 7th of fourth aspect the kind of possible implementation, in the 8th kind of possible implementation, the called process corresponding scheduling time for sending downlink data, including：The called corresponding frame number of process and subframe numbers for sending downlink data.
According to the 7th of fourth aspect the kind of possible implementation, in the 9th kind of possible implementation, the second progress feedback time determining module includes：
Second skew TTI determining units, for according to the number of processes and institute included in the process group Each call sequence of the process in the process group in process group is stated, it is determined that the skew of each process
TTI;
Second feedback reference TTI determining units, the feedback reference TTI for determining the process group according to the TTI and its corresponding skew TTI of any called process for sending downlink data in the process group;Second progress feedback time determining unit, for the feedback time of the feedback reference TTI associations of the process group to be defined as into the corresponding feedback time of the process group.
With reference to the 8th kind of possible implementation of the third possible implementation and fourth aspect of fourth aspect, in the tenth kind of possible implementation, the second subframe feedback time determining module includes：Second subframe feedback time determining unit, for [(frame number+5* subframe numbers will to be met）Mould n=n- l] relation subframe association feedback time be defined as the corresponding feedback time of the process group.
With reference to fourth aspect, the possible implementation of the first of fourth aspect, second of possible implementation of fourth aspect, the third possible implementation of fourth aspect, 4th kind of possible implementation of fourth aspect, 5th kind of possible implementation of fourth aspect, 6th kind of possible implementation of fourth aspect, 7th kind of possible implementation of fourth aspect, 8th kind of possible implementation of fourth aspect, tenth kind of possible implementation of the 9th kind of possible implementation and fourth aspect of fourth aspect, in a kind of the tenth possible implementation, above-mentioned user equipment also includes：
Second carrier wave process group determining module, for the process called at least two carrier waves to be defined as into the process that the process group includes.
According to a kind of the tenth possible implementation of fourth aspect, in the 12nd kind of possible implementation, the TTI length of at least two carrier wave is different, and the process group feedback time is determined according to process shorter TTI.
According to the 12nd of fourth aspect the kind of possible implementation, in the 13rd kind of possible implementation, if the process called on two carrier waves is defined as into the process that the process group includes, enter number of passes and the product of the Τ length of the carrier wave in the process group that then a carrier wave in described two carrier waves is included, equal to the TTI length of another carrier wave in described two carrier waves.
With reference to fourth aspect, the possible implementation of the first of fourth aspect, second of possible implementation of fourth aspect, the third possible implementation of fourth aspect, 4th kind of possible implementation of fourth aspect, 5th kind of possible implementation of fourth aspect, 6th kind of possible implementation of fourth aspect, 7th kind of possible implementation of fourth aspect, 8th kind of possible implementation of fourth aspect, 9th kind of possible implementation of fourth aspect, tenth kind of possible reality of fourth aspect Existing mode, the tenth kind of possible implementation of fourth aspect, the 13rd kind of possible implementation of the 12nd kind of possible implementation and fourth aspect of fourth aspect, in the 14th kind of possible implementation, it is to the HARQ confirmations of the base station feedback in the corresponding feedback time of the process group：The combined coding information of the HARQ confirmations for each process that the process group includes.
5th aspect, the embodiment of the present invention provides a kind of base station, including：
Processor, for determining process group, the process group includes at least two processes；
Transmitter, is additionally operable to calling process and sends downlink data to the user equipment；
Receiver, for receiving the HARQ confirmations that the user equipment is sent in the corresponding feedback time of the process group.
In the first possible implementation of the 5th aspect, the processor is additionally operable to determine the process group according to the time that process is scheduled；Or, for determining the process group according to process number.
According to the first possible implementation of the 5th aspect, in the third possible implementation, the process scheduled time includes：Frame number and subframe numbers.
According to the first possible implementation of the 5th aspect, in the third possible implementation, the processor is additionally operable to meet [(frame number+5* subframe numbers by continuous n）Mould n=0] subframe and satisfaction [(frame number+5* subframe numbers）Mould n=l] subframe, until meet [(frame number+5* subframe numbers）Mould n=n- l] integer.
With reference to the third possible implementation of the 5th aspect, the first possible implementation of the 5th aspect, second of possible implementation of the 5th aspect and the 5th aspect, in the 4th kind of possible implementation, the transmitter is additionally operable to send joint feedback instruction message to user equipment, the joint feedback indicates that message is used to indicate that the user equipment carries out joint HARQ feedback to the process group, and the process group includes at least two processes.
With reference to the 5th aspect, the first possible implementation of 5th aspect, second of possible implementation of the 5th aspect, the 4th kind of possible implementation of the third possible implementation of the 5th aspect and the 5th aspect, in the 5th kind of possible implementation, the transmitter, the activation of message, which indicates or deactivated to indicate, to be indicated to the joint feedback for being sent to the user equipment, the activation indicates to be used to indicate that the user equipment is performed to process group progress joint HARQ feedback, described deactivate indicates to be used to indicate that the user is not performed to process group progress joint HARQ feedback.
With reference to second in terms of the 5th aspect, the first possible implementation of the 5th aspect, the 5th Possible implementation, the 5th kind of possible implementation of the third possible implementation of the 5th aspect, the 4th kind of possible implementation of the 5th aspect and the 5th aspect, in the 6th kind of possible implementation, the joint feedback indicates that message includes：Call sequence of the process number and each process that the process group includes in the process group.
With reference to the 6th kind of possible implementation of the 5th aspect, the first possible implementation of the 5th aspect, second of possible implementation of the 5th aspect, the third possible implementation of the 5th aspect, the 4th kind of possible implementation of the 5th aspect, the 5th kind of possible implementation of the 5th aspect and the 5th aspect, in the 7th kind of possible implementation, in addition to：
Processor, for the call sequence according to the number of processes included in the process group, the transmission time gap TTI of the called process for sending downlink data and the called process for sending downlink data in the process group, the corresponding feedback time of the process group is determined；Or,
For sending the process corresponding scheduling time of downlink data according to being called in the process group, the corresponding feedback time of the process group is determined.
According to the 7th kind of possible implementation of the 5th aspect, in the 8th kind of possible implementation, the called process corresponding scheduling time for sending downlink data, including：The called corresponding frame number of process and subframe numbers for sending downlink data.
According to the 7th kind of possible implementation of the 5th aspect, in the 9th kind of possible implementation, the processor is additionally operable to：
According to each call sequence of the process in the process group in the number of processes and the process group included in the process group, it is determined that the skew TTI of each process;
The feedback reference TTI of the process group is determined according to the TTI and its corresponding skew TTI of any called process for sending downlink data in the process group;
The feedback reference TTI of the process group feedback times associated are defined as the corresponding feedback time of the process group.
With reference to the third possible implementation and the 8th kind of possible implementation of the 5th aspect of the 5th aspect, in the tenth kind of possible implementation, the processor is additionally operable to：The processor is additionally operable to that [(frame number+5* subframe numbers will be met）Mould n=n- l] relation subframe association feedback time be defined as the corresponding feedback time of the process group.
With reference to the 5th aspect, the 5th aspect the first possible implementation, the 5th aspect second of possible implementation, the 5th aspect the third possible implementation, the 5th aspect the 4th kind can Tenth kind of possible implementation of the 9th kind of possible implementation and the 5th aspect in terms of the implementation of energy, the 5th kind of possible implementation of the 5th aspect, the 6th kind of possible implementation of the 5th aspect, the 7th kind of possible implementation of the 5th aspect, the 8th kind of possible implementation of the 5th aspect, the 5th, in a kind of the tenth possible implementation, the processor is additionally operable to：The process called at least two carrier waves is defined as the process that the process group includes.
According to a kind of the tenth possible implementation of the 5th aspect, in the 12nd kind of possible implementation, the TTI length of at least two carrier wave is different, and the process group feedback time is determined according to process shorter TTI.
According to the 12nd kind of possible implementation of the 5th aspect, in the 13rd kind of possible implementation, if the process called on two carrier waves is defined as into the process that the process group includes, enter number of passes and the product of the Τ length of the carrier wave in the process group that then a carrier wave in described two carrier waves is included, equal to the TTI length of another carrier wave in described two carrier waves.
With reference to the 5th aspect, the first possible implementation of 5th aspect, second of possible implementation of the 5th aspect, the third possible implementation of 5th aspect, 4th kind of possible implementation of the 5th aspect, 5th kind of possible implementation of the 5th aspect, 6th kind of possible implementation of the 5th aspect, 7th kind of possible implementation of the 5th aspect, 8th kind of possible implementation of the 5th aspect, 9th kind of possible implementation of the 5th aspect, tenth kind of possible implementation of the 5th aspect, tenth kind of possible implementation of the 5th aspect, 13rd kind of possible implementation of the 12nd kind of possible implementation of the 5th aspect and the 5th aspect, in the 14th kind of possible implementation, it is in the HARQ confirmations of the corresponding feedback time reception of the process group：The combined coding information of the HARQ confirmations for each process that the process group includes.
6th aspect, the embodiment of the present invention provides a kind of user equipment, including：
Processor, for determining process group, the process group includes at least two processes；
Receiver, is additionally operable to receive the downlink data that the process called the base station is sent；
Transmitter, in the corresponding feedback time of the process group to the base station feedback HARQ confirmations.
In the first possible implementation of the 6th aspect, the processor is additionally operable to determine the process group according to the time that process is scheduled；Or, for determining the process group according to process number.
According to the first possible implementation of the 6th aspect, in the third possible implementation, the process scheduled time includes：Frame number and subframe numbers. According to the first possible implementation of the 6th aspect, in the third possible implementation, the processor is additionally operable to meet [(frame number+5* subframe numbers by continuous n）Mould n=0] subframe and satisfaction [(frame number+5* subframe numbers）Mould n=l] subframe, until meet [(frame number+5* subframe numbers）Mould n=n- l] integer.
With reference to the third possible implementation of the 6th aspect, the first possible implementation of the 6th aspect, second of possible implementation of the 6th aspect and the 6th aspect, in the 4th kind of possible implementation, the receiver is additionally operable to receive the joint feedback instruction message that base station is sent, the joint feedback indicates that message is used to indicate that the user equipment carries out joint HARQ feedback to the process group, and the process group includes at least two processes.
With reference to the 6th aspect, the first possible implementation of 6th aspect, second of possible implementation of the 6th aspect, the 4th kind of possible implementation of the third possible implementation of the 6th aspect and the 6th aspect, in the 5th kind of possible implementation, the receiver, indicate or deactivate to indicate for receiving the activation to the joint feedback instruction message that the base station is sent, the activation indicates to be used to indicate that the user equipment is performed to process group progress joint HARQ feedback, described deactivate indicates to be used to indicate that the user is not performed to process group progress joint HARQ feedback.
With reference to the 6th aspect, the first possible implementation of the 6th aspect, second of possible implementation of the 6th aspect, the 5th kind of possible implementation of the third possible implementation of the 6th aspect, the 4th kind of possible implementation of the 6th aspect and the 6th aspect, in the 6th kind of possible implementation, the joint feedback indicates that message includes：Call sequence of the process number and each process that the process group includes in the process group.
With reference to the 6th aspect, the first possible implementation of 6th aspect, second of possible implementation of the 6th aspect, the third possible implementation of 6th aspect, 4th kind of possible implementation of the 6th aspect, 6th kind of possible implementation of the 5th kind of possible implementation of the 6th aspect and the 6th aspect, in the 7th kind of possible implementation, the processor is additionally operable to according to the number of processes included in the process group, the corresponding feedback time of transmission time gap TTI groups of the called process for sending downlink data；Or,
For sending the process corresponding scheduling time of downlink data according to being called in the process group, the corresponding feedback time of the process group is determined. According to the 7th kind of possible implementation of the 6th aspect, in the 8th kind of possible implementation, the called process corresponding scheduling time for sending downlink data, including：The called corresponding frame number of process and subframe numbers for sending downlink data.
According to the 7th kind of possible implementation of the 6th aspect, in the 9th kind of possible implementation, the processor is used for：
According to each call sequence of the process in the process group in the number of processes and the process group included in the process group, it is determined that the skew TTI of each process;
The feedback reference TTI of the process group is determined according to the TTI and its corresponding skew TTI of any called process for sending downlink data in the process group;
The feedback reference TTI of the process group feedback times associated are defined as the corresponding feedback time of the process group.
With reference to the third possible implementation and the 8th kind of possible implementation of the 6th aspect of the 6th aspect, in the tenth kind of possible implementation, the processor is used to that [(frame number+5* subframe numbers will to be met）Mould n=n- l] relation subframe association feedback time be defined as the corresponding feedback time of the process group.
With reference to the 6th aspect, the first possible implementation of 6th aspect, second of possible implementation of the 6th aspect, the third possible implementation of 6th aspect, 4th kind of possible implementation of the 6th aspect, 5th kind of possible implementation of the 6th aspect, 6th kind of possible implementation of the 6th aspect, 7th kind of possible implementation of the 6th aspect, 8th kind of possible implementation of the 6th aspect, tenth kind of possible implementation of the 9th kind of possible implementation of the 6th aspect and the 6th aspect, in a kind of the tenth possible implementation, the processor is additionally operable to the process called at least two carrier waves being defined as the process that the process group includes.
According to a kind of the tenth possible implementation of the 6th aspect, in the 12nd kind of possible implementation, the TTI length of at least two carrier wave is different, and the process group feedback time is determined according to process shorter TTI.
According to the 12nd kind of possible implementation of the 6th aspect, in the 13rd kind of possible implementation, if the process called on two carrier waves is defined as into the process that the process group includes, enter number of passes and the product of the Τ length of the carrier wave in the process group that then a carrier wave in described two carrier waves is included, equal to the TTI length of another carrier wave in described two carrier waves.
With reference to second in terms of the 6th aspect, the first possible implementation of the 6th aspect, the 6th Possible implementation, the third possible implementation of 6th aspect, 4th kind of possible implementation of the 6th aspect, 5th kind of possible implementation of the 6th aspect, 6th kind of possible implementation of the 6th aspect, 7th kind of possible implementation of the 6th aspect, 8th kind of possible implementation of the 6th aspect, 9th kind of possible implementation of the 6th aspect, tenth kind of possible implementation of the 6th aspect, tenth kind of possible implementation of the 6th aspect, 13rd kind of possible implementation of the 12nd kind of possible implementation of the 6th aspect and the 6th aspect, in the 14th kind of possible implementation, it is to the HARQ confirmations of the base station feedback in the corresponding feedback time of the process group：The combined coding information of the HARQ confirmations for each process that the process group includes.
Hybrid automatic repeat-request feedback method provided in an embodiment of the present invention, base station and user equipment, joint feedback is sent to user equipment by base station and indicates message, instruction user equipment carries out joint HARQ feedback to the process group including at least two processes, after the process in the calling process group of base station sends downlink data to user equipment, base station can receive the HARQ confirmations of user equipment transmission in the corresponding feedback time of the process group, so that the power required for reducing HARQ feedback.Brief description of the drawings
The accompanying drawing used required in embodiment or description of the prior art is briefly described, apparently, drawings in the following description are some embodiments of the present invention, for those of ordinary skill in the art, without having to pay creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart of hybrid automatic repeat-request feedback method embodiment one of the present invention；
Fig. 2 is the flow chart of hybrid automatic repeat-request feedback method embodiment two of the present invention；
Fig. 3 is the flow chart of hybrid automatic repeat-request feedback method embodiment three of the present invention；
Fig. 4 is the flow chart of hybrid automatic repeat-request feedback method example IV of the present invention；
Fig. 5 is the flow chart of hybrid automatic repeat-request feedback method embodiment five of the present invention；
Fig. 6 is the structural representation of base station embodiment one of the present invention；
Fig. 7 is the structural representation of base station embodiment two of the present invention；
Fig. 8 is the structural representation of base station embodiment three of the present invention；
Fig. 9 is the structural representation of base station embodiment four of the present invention；
Figure 10 is the structural representation of user equipment embodiment five of the present invention； Figure 11 is the structural representation of user equipment embodiment six of the present invention；
Figure 12 is the structural representation of user equipment embodiment seven of the present invention；
Figure 13 is the structural representation of user equipment embodiment eight of the present invention；
Figure 14 is the schematic diagram of hybrid automatic repeat-request feedback method embodiment two of the present invention；
Figure 15 is the schematic diagram of hybrid automatic repeat-request feedback method example IV of the present invention；
The structural representation of Figure 16 base station embodiments nine of the present invention；
The structural representation of Figure 17 user equipment embodiments ten of the present invention.Embodiment is to make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made belongs to the scope of protection of the invention.
The techniques described herein may be used in various communication systems, such as current 2G, 3G communication systems and next generation communication system, such as global system for mobile communications（ GSM , Global System for
Mobile communications), CDMA (CDMA, Code Division Multiple
Access) system, time division multiple acess（TDMA, Time Division Multiple Access) system, WCDMA（WCDMA, Wideband Code Division Multiple Access
Wireless), frequency division multiple access (FDMA, Frequency Division Multiple Addressing) system, OFDM (OFDMA, Orthogonal Frequency-Division Multiple Access) system, Single Carrier Frequency Division Multiple Access (SC-FDMA) system, GPRS（GPRS, General Packet Radio Service) system, Long Term Evolution (LTE, Long Term Evolution) system, and other such communication systems.
The user equipment being related in the application, can be that wireless terminal can also be catv terminal, wireless terminal can refer to the equipment for providing a user voice and/or data connectivity, portable equipment with wireless connecting function or other processing equipments for being connected to radio modem.Wireless terminal can be through wireless access network（For example, RAN, Radio Access Network) communicated with one or more core nets, wireless terminal can be mobile terminal, such as mobile phone（Or be " honeycomb " phone）With the computer with mobile terminal, for example, it may be portable, pocket, hand-held, calculating Built in machine or vehicle-mounted mobile device, they exchange language and/or data with wireless access network.Example
^ mouthfuls, PCS (PCS, Personal Communication Service) phone, wireless phone, Session initiation Protocol（SIP) phone, WLL（WLL, Wireless Local Loop) stand, personal digital assistant（PDA, Personal Digital Assistant) etc. equipment.Wireless terminal is referred to as system, subscri er unit（Subscriber Unit), subscriber station（Subscriber Station), movement station（Mobile Station), mobile station（Mobile), distant station（Remote Station), access point（Access Point), remote terminal（Remote Terminal), access terminal（Access Terminal), user terminal（User Terminal), user agent（User Agent), user equipment (User Device) or subscriber's installation (User Equipment).
The base station being related in the application is the base station of broad sense, including RRM and data scheduling feature, can include radio network controller（Radio Network Controller, RNC), it can also include passing through one or more sectors and the equipment of wireless terminal communications on interface in the air in access network.Base station can be used for IP packets mutually being changed the air frame received, and as the router between wireless terminal and the remainder of access network, the remainder of wherein access network may include Internet protocol（IP) network.Attribute management of the base station also tunable to air interface.For example, base station can be the base station in GSM or CDMA（BTS, Base Transceiver Station), can also be the base station in WCDMA（), NodeB it can also be the evolved base station in LTE（NodeB or eNB or e-NodeB, evolutional Node B), the application is not limited.
The sequence number of following examples of the present invention is for illustration only, and the quality of embodiment is not represented.Fig. 1 is the flow chart of hybrid automatic repeat-request feedback method embodiment one of the present invention.As shown in figure 1, the executive agent of hybrid automatic repeat-request feedback method provided in an embodiment of the present invention is base station, it can specifically include radio network controller（Radio Network Controller, abbreviation RNC) and NodeB, the hybrid automatic repeat-request feedback method of the present embodiment includes：
S101, base station determine process group.
Specifically, S101 operation can be performed by the RNC in base station.The determination process group can determine process group for RNC according to process number, alternatively, joint feedback is sent to user equipment indicate message from RNC, joint feedback indicates that message can serve to indicate that user equipment carries out joint HARQ feedback to process group, and process group includes at least two processes.Optionally, joint feedback indicates that message can also carry progress information included in one or more process groups, for example, process（0,1) process group is constituted, process (2,3) constitutes a process group, and process (4,5) constitutes a process group；Or Person, process (0,1) constitutes a process group, process（2,3,4) process group is constituted, process 5 is single process.The number of passes that enters in above-mentioned each process group be can be the same or different, and the embodiment of the present invention is not limited this.
Further, the determination process group can also determine process group for the RNC times being scheduled according to process, and the process scheduled time can include frame number and subframe numbers.Base station meets [(frame number+5* subframe numbers by continuous n）Mould n=0] subframe and satisfaction [(frame number+5* subframe numbers）Mould n=l] subframe, until meet [(frame number+5* subframe numbers）Mould n=n-l] subframe on the process dispatched be defined as the process that process group includes, wherein, n is the integer more than or equal to 2.
Optionally, joint feedback indicates that message can also be implicit transmission, such as implicit when configuring some characteristic to start joint feedback, is specifically for example configured with multi-carrier nature, then implicit indication user starts joint feedback.
Optionally, base station is after joint feedback instruction message is sent to user equipment, it can also further be sent to user equipment and indicate that joint feedback the activation of message indicates or deactivated to indicate, specifically can send activation to user equipment by NodeB indicates or deactivate to indicate.
The activation indicates that can serve to indicate that user equipment is performed carries out joint HARQ feedback to process group, and the deactivation indicates that can serve to indicate that user does not perform carries out joint HARQ feedback to process group.In this step, base station sends joint feedback to user equipment and indicated after message, it can also as the case may be decide whether to send to user equipment and indicate that joint feedback the activation of message indicates or deactivated to indicate, for example, when number of user equipment is less, base station can be sent to user equipment indicates that the deactivation of message is indicated to joint feedback, when number of user equipment is more, and base station can be sent to user equipment indicates that the activation of message is indicated to joint feedback.
S102, base station calling process send downlink data to user equipment.
Specifically, downlink data can be sent from NodeB calling process to user equipment.NodeB can first determine which process belongs to a process group, the process group information included in each process can be pre-defined by air interface protocol, it can also indicate to indicate in message in the joint feedback that base station is sent to user equipment, RNC is sent to after can also being determined by NodeB.In this step, it is assumed that process N, S, T are a process group, NodeB can continuously dispatch N, S, T process, or continuously dispatch S, T processes, or only dispatching T processes, i.e. NodeB can send downlink data with one or more processes in calling process group to user equipment.The embodiment of the present invention is not limited this.
Order of the present embodiment not to above-mentioned S101 and S102 is limited. S103, base station receive the HARQ confirmations that user equipment is sent in the corresponding feedback time of process group.
Specifically, NodeB can receive the HARQ confirmations that user equipment is sent in the corresponding feedback time of process group.The corresponding feedback time of the process group can be by base station according to the corresponding transmission time gap of process being scheduled in the process group（Transmission Time Interval, abbreviation TTI) determine；Or, it can also be determined by base station according to the corresponding frame number of process and subframe numbers being scheduled in the process group；Or, it can also be determined by base station according at least two carrier waves being scheduled in the process group.
The hybrid automatic repeat-request feedback method that the present embodiment is provided, joint feedback is sent to user equipment by base station and indicates message, instruction user equipment carries out joint HARQ feedback to the process group including at least two processes, process in the calling process group of base station is sent after downlink data to user equipment, base station can receive the HARQ confirmations that user equipment is sent in the corresponding feedback time of the process group, so that the power required for reducing HARQ feedback.Fig. 2 is the flow chart of hybrid automatic repeat-request feedback method embodiment two of the present invention.As shown in Fig. 2 the implement scene that the present embodiment is provided is：Base station calls the process in the process group in single carrier to send downlink data to user equipment, and user equipment sends HARQ confirmations in the corresponding feedback time of the process group to base station.The TTI of feedback time process in process group is determined.The hybrid automatic repeat-request feedback method of the present embodiment includes：
5201st, RNC determines process group.
Optionally, RNC determines that process group can determine process group for RNC according to process number, i.e. sends joint feedback to user equipment from RNC and indicates message, joint feedback indicates to include in message：During institute is rapid, RNC sends joint feedback to user equipment and indicates message, the function for the joint feedback that has been user device configuration.
5202nd, NodeB sends to user equipment and indicates that joint feedback the activation of message indicates or deactivated to indicate.
In this step, when number of user equipment is more, activation can be sent to user equipment from NodeB to indicate to activate the joint feedback function, when number of users is less, NodeB can send to deactivate to user equipment indicates that, to disable the joint feedback function, NodeB can determine that sending activation to user equipment indicates or deactivate to indicate as the case may be. 5203rd, the process in NodeB calling process group sends downlink data to user equipment.
5204th, NodeB is according to each scheduling sequence of the process in process group in the number of processes and process group included in process group, it is determined that the skew TTI of each process.
Specifically, the skew Τ Τ Ι of each process meet [scheduling sequence of number of processes one].It is assumed that process Ν, S, Τ are a process group, the scheduling sequence of Ν, S, Τ in process group is followed successively by 1,2,3, then the number of processes included in the process group is 3, and the skew Τ Τ Ι of each process can be [3-scheduling sequence], i.e., process Ν, S, Τ skew Τ Τ Ι are followed successively by2, 1 , 0。
5205th, NodeB determines the feedback reference TTI of process group according to the TTI and its corresponding skew TTI of any called process for sending downlink data in process group.
Specifically, NodeB can determine that the process group corresponding feedback reference TTI, feedback reference TTI meet [the skew TTI of the TTI+ of the called process processes] according to any called process in process group.It is assumed that process Ν, S, Τ are one group, S processes are only called, the skew Τ Τ Ι of S processes are 1, shellfish ' the feedback reference TTI of J S processes is [TTI+1 of S processes].
5206th, the feedback reference TTI of the process group feedback times associated are defined as the corresponding feedback time of process group by NodeB.
Specifically, the feedback time of feedback reference TTI associations is the time point after feedback reference TTI by first scheduled time, the corresponding feedback time of each process in process group is identical, it is possible to which any process according to being scheduled in process group determines the feedback time point of the process group.The feedback time of feedback reference TTI associations is the first predetermined point of time after feedback reference TTI, can be the High-Speed Dedicated Physical Control Channel corresponding to 7.5 time slots (slot)（High-Speed Dedicated Physical Control Channel, abbreviation HS-DPCCH) position, i.e. the corresponding feedback time of process group.
User equipment equally also will be to being determined between the corresponding feedback of process group, and its determination process and method are identical with above-mentioned S203-S206.
5207th, NodeB receives the HARQ confirmations that user equipment is sent in the corresponding feedback time of process group.
Figure 14 is the schematic diagram of hybrid automatic repeat-request feedback method embodiment two of the present invention.As shown in Figure 14, two processes are included in process group（0,1) feedback information of process 0 and process 1, is subjected to combined coding, then HARQ confirmations are sent from user equipment to NodeB.
Specifically, if NodeB is scheduled to user equipment, after a process for having dispatched process group, it is found that the user data has been sent, now, if according to above-mentioned steps, user equipment still needs to wait until The feedback time of the process group is fed back, and in order to accelerate the speed of feedback, now, NodeB can immediately be fed back with instruction user equipment.
In the joint feedback information being related in the present embodiment, each process in process group can use combined coding mode, specifically, there may be fixed mapping relations between process call sequence in the code word and process group of each progress feedback, and the bit length of code word is independently of the number for the process for needing to feed back, the embodiment of the present invention in organizing exemplified by having two processes, wQ-w910 bit codewords of feedback are fed back to, are confirmed（ACK)-deny（NACK) feedback information of correspondence process group, as shown in the table：
Hybrid automatic repeat-request feedback method provided in an embodiment of the present invention, RNC sends joint feedback to user equipment and indicates message, instruction user equipment carries out joint HARQ feedback to the process group including at least two processes, and send the activation instruction to combining feedback instruction message to user equipment from NodeB or deactivate instruction, whether instruction user equipment enables the joint feedback function, after the process in NodeB calling process groups sends downlink data to user equipment, the corresponding feedback time of NodeB calculation procedure groups, and receive the HARQ confirmations of user equipment transmission in the corresponding feedback time of the process group, so as to reduce the power required for HARQ feedback.Fig. 3 is the flow chart of hybrid automatic repeat-request feedback method embodiment three of the present invention.As shown in figure 3, the implement scene that this implementation is provided is：Base station calls the process in the process group in single carrier to send downlink data to user equipment, and user equipment sends HARQ confirmations in the corresponding feedback time of the process group to base station.Feedback time corresponding feedback time of the subframe of calling process in process group is determined.This The hybrid automatic repeat-request feedback method of inventive embodiments includes：
5301st, RNC determines process group.
5302nd, NodeB sends to user equipment and indicates that joint feedback the activation of message indicates or deactivated to indicate.
Above-mentioned S301 and S302 are similar with the S201 and S202 in Fig. 2 embodiments, and the embodiment of the present invention will not be repeated here.
5303rd, the process of continuous n subframe up-regulation degree is defined as the process that process group includes by NodeB.Specifically, 1 frame is divided into 5 subframes, and each subframe correspondence 1 TTI, each TTI can transmit 1 HARQ process, and NodeB meets [(frame number+5* subframe numbers by continuous n）Mould n=0] it is subframe and meets [(frame number+5* subframe numbers）Mould n=l] subframe, until meet [(frame number+5* subframe numbers）Mould n=n-l] subframe on the process dispatched be defined as the process that process group includes, wherein, n is the integer more than or equal to 2.
For example, it is assumed that it is 2 that what the process group of joint feedback included, which enters number of passes, then NodeB will meet [(frame number+5* subframe numbers）Mould 2=0] and satisfaction [(frame number+5* subframe numbers）Mould 2=1] the process of continuous 2 subframes up-regulation degree be defined as the process that process group includes.
5304th, NodeB determines the corresponding feedback time of process group according to the called process corresponding scheduling time for sending downlink data.Send the corresponding frame number of process and subframe numbers of downlink data.
Alternatively, NodeB will meet [(frame number+5* subframe numbers）Mould n=n-l] relation subframe association feedback time be defined as the corresponding feedback time of process group.Specifically, assuming that currently scheduled the corresponding frame number of process and subframe numbers are respectively SFN1 and SubSFNl, then the corresponding feedback time point of the process should be satisfaction [(SFN+5*SubSFN) mould n=n-l], and [(SFN+5*SubSFN)] is the association feedback time point of first sub- hardwood for being more than or equal to (the * SubSFN 1 of SFN 1+5), the feedback time point of the association as the corresponding feedback time of process group, the HARQ confirmations of all processes in feedback process group is combined at the time point by NodeB.
5305th, the process in NodeB calling process group sends downlink data to user equipment.
5306th, NodeB receives the HARQ confirmations that user equipment is sent in the corresponding feedback time of process group. The data of the HARQ processes received carry out joint feedback, and HARQ confirmations are sent to NodeB.The present embodiment in organizing exemplified by having two processes, Wo-w910 bit codewords of feedback are fed back to, are confirmed（ACK)-deny（NACK) feedback information of correspondence process group, as shown in the table：
Further, if NodeB is scheduled to user equipment, it is assumed that after having dispatched the processes of a not corresponding subframe numbers, i.e., it is assumed that process group includes the process dispatched in 2 continuous subframes, dispatch after first subframe, it was found that the user data has been sent, now, if according to above-mentioned steps, user equipment is still needed to when the feedback time of latter subframe is fed back, in order to accelerate the speed of feedback, now, NodeB can immediately be fed back with instruction user equipment.
Hybrid automatic repeat-request feedback method provided in an embodiment of the present invention, by carrying out joint feedback to n continuous subframes of single carrier, reduces the power required for HARQ feedback.Fig. 4 is the flow chart of hybrid automatic repeat-request feedback method example IV of the present invention.As shown in figure 4, the implement scene that the implementation that the present embodiment is provided is provided is：Base station calls the process in the process group in multicarrier to send downlink data to user equipment, and user equipment sends HARQ confirmations in the corresponding feedback time of the process group to base station.The hybrid automatic repeat-request feedback method of the embodiment of the present invention includes：
5401st, RNC determines process group.
5402nd, NodeB sends to user equipment and indicates that joint feedback the activation of message indicates or deactivated to indicate. 5403rd, the process called at least two carrier waves is defined as the process that process group includes by NodeB.Specifically, the TTI length of at least two carrier waves is different, if the process called on two carrier waves is defined as the process that process group includes by base station, enter number of passes and the product of the Τ length of the carrier wave in the process group that then a carrier wave in two carrier waves is included, equal to the TTI length of another carrier wave in two carrier waves.
5404th, the process in NodeB calling process group sends downlink data to user equipment.
5405th, NodeB receives the HARQ confirmations that user equipment is sent in the corresponding feedback time of process group.
Specifically, base station can be in the HARQ confirmations that the corresponding feedback time of process group is received：The combined coding information for each process that process group includes.
Further, due to sometimes for joint feedback, and the TTI length difference of multiple carrier waves is carried out between multiple carrier waves, for example, UMTS（Universal Mobile Telecommunications System, abbreviation UMTS) the minimum 2ms of feedback TTI, and the LTE minimum 1ms of feedback TTI, therefore, for the HARQ confirmations of joint feedback UMTS 1 carrier wave and LTE 1 carrier wave on UMTS, the feedback information of a process by LTE continuous two processes and UMTS is needed to carry out joint feedback, so that NodeB can receive the HARQ confirmations of user equipment transmission in the corresponding feedback time of process group, the 1 carrier occupancy time of two process scheduling holding times of LTE and UMTS is identical, the feedback information of two carrier waves, 3 processes is now included in a process group, the feedback time of process group is the feedback time point of the longer TTI corresponding process context of carrier wave.
Figure 15 is the schematic diagram of hybrid automatic repeat-request feedback method example IV of the present invention.As shown in Figure 15, LTE two processes L0 and L1 are first defined as one group, again joint feedback is carried out with UMTS process U0 feedback information, ACK (U0 i.e. in figure, L0, L1), so that NodeB can receive the HARQ confirmations of user equipment transmission in the corresponding feedback time of process group.
Hybrid automatic repeat-request feedback method provided in an embodiment of the present invention, carries out joint feedback, so that the power required for reducing HARQ feedback by the different carrier wave of Τ length.Fig. 5 is the flow chart of hybrid automatic repeat-request feedback method embodiment five of the present invention.As shown in figure 5, the executive agent user equipment (User Equipment, abbreviation UE) for the hybrid automatic repeat-request feedback method that the present embodiment is provided.The hybrid automatic repeat-request feedback method of the embodiment of the present invention includes： 5501st, user equipment determines process group.
Specifically, user equipment receives the joint feedback instruction message that RNC is sent, and joint feedback instruction disappears
5502nd, user equipment reception base station is sent the activation instruction that instruction message is fed back to combining or deactivate instruction.
Specifically, activation indicates that be used for the execution of instruction user equipment combines to process group
Deactivate to indicate not performing for instruction user and joint HARQ feedback is carried out to process group.
5503rd, user equipment receives the downlink data that the process called base station is sent.
5504th, user equipment in the corresponding feedback time of process group to base station feedback HARQ confirmations.Specifically, when user equipment is within a continuous period, when receiving the downlink data that the process called base station is sent, can according to the corresponding feedback time of the process group in the way of combined coding to base station feedback HARQ confirmations.
In the joint feedback information being related in the embodiment of the present invention, each process in process group can use combined coding mode, and the embodiment of the present invention in organizing exemplified by having two processes, WQ-W910 bit codewords of feedback are fed back to, are confirmed（ACK)-deny（NACK) feedback information of correspondence process group, as shown in the table：
Hybrid automatic repeat-request feedback method provided in an embodiment of the present invention, the joint feedback instruction message that base station is sent is received by user equipment, and receive the activation instruction to combining feedback instruction message or deactivate instruction, in the corresponding feedback time of process group, to base station feedback HARQ in the way of combined coding Confirmation, so that the power required for reducing HARQ feedback.Fig. 6 is the structural representation of base station embodiment one of the present invention.As shown in fig. 6, base station provided in an embodiment of the present invention includes：First process group determining module 11, data transmission blocks 12 and reception confirmation module 13.
Wherein, the first process group determining module 11, for determining process group, the process group includes at least two processes
Data transmission blocks 12, downlink data is sent for base station calling process to user equipment；Confirmation module 13 is received, the HARQ confirmations that user equipment is sent are received in the corresponding feedback time of process group for base station.
The base station of the embodiment of the present invention, can be used for the technical scheme for performing embodiment of the method shown in Fig. 1, and its realization principle and technique effect are similar, and here is omitted.
Fig. 7 is the structural representation of base station embodiment two of the present invention.As shown in fig. 7, base station provided in an embodiment of the present invention includes：First process group determining module 21, joint feedback instruction sending module 22, activation or deactivation indicate sending module 23, data transmission blocks 24, the first progress feedback time determining module 25 and reception confirmation module 29.
Wherein, joint feedback indicates sending module 22, and sending joint feedback to user equipment for base station indicates message, and joint feedback indicates that message is used for instruction user equipment and carries out joint HARQ feedback to process group, and process group includes at least two processes；
Further, the first process group determining module 21 includes：Process group determining unit, for determining the process group according to process number.
Further, the first progress feedback time determining module includes：First skew TTI determining units 26, the first feedback reference TTI determining units 27 and the first progress feedback time determining unit 28.
Specifically, the first skew TTI determining units 26, for base station according to each call sequence of the process in process group in the number of processes and process group included in process group, it is determined that the skew TTI of each process;
First feedback reference TTI determining units 27, the feedback reference TTI of process group is determined for base station according to the TTI and its corresponding skew TTI of any called process for sending downlink data in process group;First progress feedback time determining unit 28, the corresponding feedback time of process group is defined as base station by the feedback reference TTI of the process group feedback times associated. The base station of the embodiment of the present invention, can be used for the technical scheme for performing embodiment of the method shown in Fig. 2, and its realization principle and technique effect are similar, and here is omitted.
Fig. 8 is the structural representation of base station embodiment three of the present invention.As shown in figure 8, base station provided in an embodiment of the present invention includes：First process group determining module 31, joint feedback indicates sending module 32, and activation or deactivation indicate sending module 33, the first continuous subframes determining unit 34, first subframe feedback time determining module 35, data transmission blocks 37 and reception confirmation module 38.
Wherein, the first process group determining module 31 includes：Process group determining unit, the time for being scheduled according to process determines the process group.
First continuous subframes determining unit 34, the subframe and satisfaction [(frame number+5* subframe numbers for meeting [(frame number+5* subframe numbers) mould n=0] by continuous n for base station）Mould n=l] subframe, until meet [(frame number+5* subframe numbers）Mould n=n- l] subframe on the process dispatched be defined as the process that process group includes, wherein, n is the integer more than or equal to 2；
First subframe feedback time determining module 35, sends the corresponding frame number of process and subframe numbers of downlink data according to being called in process group for base station, determines the corresponding feedback time of process group.
Further, the first subframe feedback time determining module 35 includes：First subframe feedback time determining unit 36, for [(frame number+5* subframe numbers will to be met）Mould n=n- l] relation subframe association feedback time be defined as the corresponding feedback time of the process group.
The base station of the embodiment of the present invention, can be used for the technical scheme for performing embodiment of the method shown in Fig. 3, and its realization principle and technique effect are similar, and here is omitted.
Fig. 9 is the structural representation of base station embodiment four of the present invention.As shown in figure 9, base station provided in an embodiment of the present invention includes：First process group determining module 41, joint, which is fed back, indicates sending module 42, and activation or deactivation indicate sending module 43, first carrier process group determining module 44, data transmission blocks 45 and reception confirmation module 46.
Wherein, first carrier process group determining module 44, the process that process group includes is defined as base station by the process called at least two carrier waves.
Further, the TTI length of at least two carrier wave is different, if the process called on two carrier waves is defined as the process that process group includes by base station, enter number of passes and the product of the TTI length of the carrier wave in the process group that then a carrier wave in two carrier waves is included, equal to the TTI length of another carrier wave in two carrier waves.
The base station of the embodiment of the present invention, can be used for the technical scheme for performing embodiment of the method shown in Fig. 4, Its realization principle and technique effect are similar, and here is omitted.
Figure 10 is the structural representation of user equipment embodiment five of the present invention.As shown in Figure 10, user equipment provided in an embodiment of the present invention includes：Second process group determining module 51, data reception module 52 and transmission confirmation module 53.
Wherein, the second process group determining module 51, for determining process group, the process group includes at least two processes；
Data reception module 52, the downlink data that the process called base station for receiving is sent；
Send confirmation module 53, in the corresponding feedback time of process group to base station feedback HARQ confirmations.
Further, it is determined that process group includes receiving the joint feedback instruction message that base station is sent, joint feedback indicates that message includes：Call sequence of the process number and each process that process group includes in process group.
The user equipment of the embodiment of the present invention, can be used for the technical scheme for performing embodiment of the method shown in Fig. 5, and its realization principle and technique effect are similar, and here is omitted.
Figure 11 is the structural representation of user equipment embodiment six of the present invention.As shown in figure 11, user equipment provided in an embodiment of the present invention includes：Second process group determining module 61, joint feedback instruction receiving module 62, activation or deactivation indicate receiving module 63, data reception module 64, the second progress feedback time determining module 65 and transmission confirmation module 69.
Wherein, joint feedback indicates receiving module 62, and the joint feedback for receiving base station transmission for user indicates message, and joint feedback instruction message is used for instruction user equipment and carries out joint HARQ feedback to process group, and process group includes at least two processes；
Second progress feedback time determining module 65, call sequence for base station according to the number of processes included in process group, the transmission time gap TTI of the called process for sending downlink data and the called process for sending downlink data in process group, determines the corresponding feedback time of process group.
Further, the second progress feedback time determining module 65 includes：Second skew TTI determining units
66, the second feedback reference TTI determining units 67 and the second progress feedback time determining unit 68.
Specifically, the second skew TTI determining units 66, for base station according to each call sequence of the process in process group in the number of processes and process group included in process group, it is determined that the skew TTI of each process;
Second feedback reference TTI determining units 67, for base station according to any called transmission in process group The TTI of the process of downlink data and its corresponding skew TTI determine the feedback reference TTI of process group;Second progress feedback time determining unit 68, the corresponding feedback time of process group is defined as base station by the feedback reference TTI of the process group feedback times associated.
The user equipment of the embodiment of the present invention, can be used for the technical scheme for performing embodiment of the method shown in Fig. 2, and its realization principle and technique effect are similar, and here is omitted.
Figure 12 is the structural representation of user equipment embodiment seven of the present invention.As shown in figure 12, user equipment provided in an embodiment of the present invention includes：Second process group determining module 71, joint feedback indicates receiving module 72, and activation or deactivation indicate receiving module 73, second continuous subframes determining unit 74, second subframe feedback time determining module 75, data reception module 77 sends confirmation module 78.
Wherein, the second process group determining module 71 includes：Process group determining unit, the time for being scheduled according to process determines the process group.
Second continuous subframes determining unit 74, the subframe and satisfaction [(frame number+5* subframe numbers for meeting [(frame number+5* subframe numbers) mould n=0] by continuous n for base station）Mould n=l] subframe, until meet [(frame number+5* subframe numbers）Mould n=n- l] subframe on the process dispatched be defined as the process that process group includes, wherein, n is the integer more than or equal to 2；
Second subframe feedback time determining module 75, sends the corresponding frame number of process and subframe numbers of downlink data according to being called in process group for base station, determines the corresponding feedback time of process group.
Further, the second subframe feedback time determining module 75 includes the second subframe feedback time determining unit 76, for for that will meet [(frame number+5* subframe numbers）Mould n=n- l] relation subframe association feedback time be defined as the corresponding feedback time of the process group.
The user equipment of the embodiment of the present invention, can be used for the technical scheme for performing embodiment of the method shown in Fig. 3, and its realization principle and technique effect are similar, and here is omitted.
Figure 13 is the structural representation of user equipment embodiment eight of the present invention.As shown in figure 13, user equipment provided in an embodiment of the present invention includes：Second process group determining module 81, joint feedback indicates receiving module 82, and activation or deactivation indicate receiving module 83, and the second carrier wave process group determining module 84, data reception module 85 sends confirmation module 86.
Wherein, the second carrier wave process group determining module 84, the process that process group includes is defined as base station by the process called at least two carrier waves.
Further, the TTI length of at least two carrier wave is different, if the process that base station is included the carrier wave that the process called on two carrier waves is defined as in the process that process group includes, two carrier waves Enter number of passes and the product of the TTI length of the carrier wave in group, equal to the TTI length of another carrier wave in two carrier waves.
The user equipment of the embodiment of the present invention, can be used for the technical scheme for performing embodiment of the method shown in Fig. 4, and its realization principle and technique effect are similar, and here is omitted.
Figure 16 is the structural representation of base station embodiment nine of the present invention.As shown in figure 14, base station provided in an embodiment of the present invention includes：Processor 1001, transmitter 1002 and receiver 1003.
Wherein, processor 1001, for determining process group, process group includes at least two processes；Transmitter 1002, downlink data is sent for calling process to user equipment；
Receiver 1003, for receiving the HARQ confirmations that user equipment is sent in the corresponding feedback time of process group.
The base station of the present embodiment, can be used for the technical scheme for performing any shown embodiments of the method for Fig. 1-Fig. 4, and its realization principle and technique effect are similar, and here is omitted.
Figure 17 is the structural representation of user equipment embodiment ten of the present invention.As shown in figure 15, user equipment provided in an embodiment of the present invention includes：Processor 2001, receiver 2002 and transmitter 2003.
Processor 2001, for determining process group, process group includes at least two processes；
Receiver 2002, the downlink data that the process called base station for receiving is sent；
Transmitter 2003, in the corresponding feedback time of process group to base station feedback HARQ confirmations.The user equipment of the present embodiment, can be used for the technical scheme for performing embodiment of the method shown in Fig. 5, and its realization principle and technique effect are similar, and here is omitted.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can be completed by the related hardware of programmed instruction, foregoing program can be stored in a computer read/write memory medium, the program upon execution, performs the step of including above method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or CD etc. are various can be with the medium of store program codes.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although the present invention is described in detail with reference to foregoing embodiments, it will be understood by those within the art that：It can still modify to the technical scheme described in foregoing embodiments, or carry out equivalent substitution to which part or all technical characteristic；And these modifications or replacement, the essence of appropriate technical solution is departed from the scope of various embodiments of the present invention technical scheme.

Claims (1)

  1. Claims
    1st, a kind of hybrid automatic repeat-request feedback method, it is characterised in that including：
    Base station determines process group, and the process group includes at least two processes；
    The base station calling process sends downlink data to user equipment；
    The base station receives the HARQ confirmations that the user equipment is sent in the corresponding feedback time of the process group.
    2nd, according to the method described in claim 1, it is characterised in that the determination process group, including：The time that the base station is scheduled according to process determines the process group；Or, the base station determines the process group according to process number.
    3rd, method according to claim 2, it is characterised in that the process scheduled time includes：Frame number and subframe numbers.
    4th, method according to claim 2, it is characterised in that the time that the base station is scheduled according to process determines the process group, including：
    The base station meets [(frame number+5* subframe numbers by continuous n）Mould n=0] subframe, meet [(frame number+5* subframe numbers）Mould n=l] subframe, until meet [(frame number+5* subframe numbers）Mould n=n- l] subframe on the process dispatched be defined as the process that the process group includes, wherein, n is more than or equal to 2
    5th, the method according to claim any one of 1-4, it is characterised in that the base station calling process is sent to the user equipment before downlink data, in addition to：
    The base station sends joint feedback to user equipment and indicates message, and the joint feedback indicates that message is used to indicate that the user equipment carries out joint HARQ feedback to the process group, and the process group includes at least two processes.
    6th, the method according to claim any one of 1-5, it is characterised in that the base station is sent to user equipment after joint feedback instruction message, in addition to：
    The base station sends to the user equipment and indicates that the activation of message indicates or deactivated to indicate to the joint feedback, the activation indicates to be used to indicate that the user equipment execution carries out process group joint HARQ feedback, or described deactivate indicates to be used to indicate that the user is not performed to process group progress joint HARQ feedback.
    7th, the method according to claim any one of 1-6, it is characterised in that the joint feedback indicates that message includes： Call sequence.
    8th, the method according to claim any one of 1-7, it is characterised in that the base station determines the process group feedback time, including：
    The base station is entered to use order according to the number of processes included in the process group, the called downlink data that sends, and determines the corresponding feedback time of the process group；Or,
    The base station determines the corresponding feedback time of the process group according to the called process corresponding scheduling time for sending downlink data.
    9th, method according to claim 8, it is characterised in that the called process corresponding scheduling time for sending downlink data, including：The called corresponding frame number of process and subframe numbers for sending downlink data.
    10th, method according to claim 8, it is characterized in that, call sequence of the base station according to the number of processes included in the process group, the TTI of the called process for sending downlink data and the called process for sending downlink data in the process group, the corresponding feedback time of the process group is determined, including：
    The base station is according to each call sequence of the process in the process group in the number of processes and the process group included in the process group, it is determined that the skew TTI of each process;
    The base station determines the feedback reference TTI of the process group according to the TTI and its corresponding skew TTI of any called process for sending downlink data in the process group;
    The feedback reference TTI of the process group feedback times associated are defined as the corresponding feedback time of the process group by the base station.
    11st, the method according to claim 4 or 9, it is characterised in that the base station determines the corresponding feedback time of the process group according to the called corresponding frame number of process and subframe numbers for sending downlink data, including：
    The base station will meet [(frame number+5* subframe numbers）Mould n=n- l] relation subframe association feedback time be defined as the corresponding feedback time of the process group.
    12nd, the method according to claim any one of 1-11, it is characterised in that also include：The process called at least two carrier waves is defined as the process that the process group includes by the base station.
    13rd, the method according to claim 12, it is characterised in that at least two carrier wave TTI length is different, and the process group feedback time is determined according to process shorter Τ Τ Ι.
    14th, method according to claim 13, it is characterized in that, if the process called on two carrier waves is defined as the process that the process group includes by the base station, enter number of passes and the product of the Τ length of the carrier wave in the process group that then a carrier wave in described two carrier waves is included, equal to the Τ length of another carrier wave in described two carrier waves.
    15th, the method according to claim any one of 1-14, it is characterised in that the base station is in the HARQ confirmations that the corresponding feedback time of the process group is received：The combined coding information of the HARQ confirmations for each process that the process group includes.
    16th, a kind of hybrid automatic repeat-request feedback method, it is characterised in that including：
    User equipment determines process group, and the process group includes at least two processes；
    The user equipment receives the downlink data that the process called the base station is sent；
    The user equipment is in the corresponding feedback time of the process group to the base station feedback HARQ confirmations.
    17th, method according to claim 16, it is characterised in that the determination process group, including：The time that the user equipment is scheduled according to process determines the process group；Or, the base station determines the process group according to process number.
    18th, method according to claim 17, it is characterised in that the process scheduled time includes：Frame number and subframe numbers.
    19th, method according to claim 17, it is characterised in that the time that the user equipment is scheduled according to process determines the process group, including：
    The user equipment meets [(frame number+5* subframe numbers by continuous n）Mould n=0] subframe and satisfaction [(frame number+5* subframe numbers）Mould n=l] subframe, until meet [(frame number+5* subframe numbers）Mould n=n- l] integer.
    20th, the method according to claim any one of 16-19, it is characterised in that the user equipment is received before the downlink data that the process called the base station is sent, in addition to：
    The user equipment receives the joint feedback instruction message that base station is sent, and the joint feedback indicates that message is used to indicate that the user equipment carries out joint HARQ feedback to the process group, and the process group includes at least two processes.
    21st, the method according to claim any one of 16-20, it is characterised in that the user sets After the standby joint feedback instruction message for receiving base station transmission, in addition to：
    The user equipment receives indicating or deactivation instruction the activation for combining feedback instruction message for the base station transmission, and the activation instruction is used to indicate that process group is combined in the user equipment execution
    HARQ feedback, or described deactivate indicate to be used to indicate that the user is not performed to process group progress joint HARQ feedback.
    22nd, the method according to claim any one of 16-21, it is characterised in that the call sequence in the joint is anti-.
    23rd, the method according to claim any one of 16-22, it is characterised in that the user equipment determines the process group feedback time, including：
    Call sequence of the user equipment according to the number of processes included in the process group, the transmission time gap TTI of the called process for sending downlink data and the called process for sending downlink data in the process group, determines the corresponding feedback time of the process group；Or,
    The user equipment determines the process group corresponding scheduling time according to the called corresponding feedback time of process for sending downlink data.
    24th, method according to claim 23, it is characterised in that the called process corresponding scheduling time for sending downlink data, including：The called corresponding frame number of process and subframe numbers for sending downlink data.
    25th, method according to claim 23, it is characterized in that, call sequence of the user equipment according to the number of processes included in the process group, the TTI of the called process for sending downlink data and the called process for sending downlink data in the process group, the corresponding feedback time of the process group is determined, including：
    The user equipment is according to each call sequence of the process in the process group in the number of processes and the process group included in the process group, it is determined that the skew TTI of each process;
    The user equipment determines the feedback reference TTI of the process group according to the TTI and its corresponding skew TTI of any called process for sending downlink data in the process group;
    The feedback reference TTI of the process group feedback times associated are defined as the corresponding feedback time of the process group by the user equipment.
    26th, the method according to claim 19 or 24, it is characterised in that the user equipment determines that the process group is corresponding according to the called corresponding frame number of process and subframe numbers for sending downlink data Feedback time, including：
    The user equipment will meet [(frame number+5* subframe numbers）Mould n=n- l] relation subframe association feedback time be defined as the corresponding feedback time of the process group.
    27th, the method according to claim any one of 19-26, it is characterised in that also include：The process called at least two carrier waves is defined as the process that the process group includes by the user equipment.
    28th, the method according to claim 27, it is characterised in that the TTI length of at least two carrier wave is different, the process group feedback time is determined according to process shorter TTI.
    29th, method according to claim 28, it is characterized in that, if the process called on two carrier waves is defined as the process that the process group includes by the user equipment, enter number of passes and the product of the TTI length of the carrier wave in the process group that then a carrier wave in described two carrier waves is included, equal to the TTI length of another carrier wave in described two carrier waves.
    30th, the method according to claim any one of 16-29, it is characterised in that the user equipment is to the HARQ confirmations of the base station feedback in the corresponding feedback time of the process group：The combined coding information of the HARQ confirmations for each process that the process group includes.
    31st, a kind of base station, it is characterised in that including：
    First process group determining module, for determining process group, the process group includes at least two processes；
    Data transmission blocks, downlink data is sent for calling process to the user equipment；
    Confirmation module is received, for receiving the HARQ confirmations that the user equipment is sent in the corresponding feedback time of the process group.
    32nd, base station according to claim 31, it is characterised in that the first process group determining module, including：
    Process group determining unit, the time for being scheduled according to process determines the process group；Or, for determining the process group according to process number.
    33rd, base station according to claim 32, it is characterised in that the process scheduled time includes：Frame number and subframe numbers.
    34th, base station according to claim 32, it is characterised in that the process group determining unit, including：
    First continuous subframes determining unit, for meeting [(frame number+5* subframe numbers by continuous n）Mould n=0] Subframe and satisfaction [(frame number+5* subframe numbers）Mould n=l] subframe, until meet [(frame number+5* subframe numbers：) it is more than or equal to 2 integer.
    35th, the base station according to claim any one of 31-34, it is characterised in that also include：Joint feedback indicates sending module, indicates message for sending joint feedback to user equipment, the joint feedback indicates that message is used to indicate that the user equipment carries out joint HARQ feedback to the process group, and the process group includes at least two processes.
    36th, the base station according to claim any one of 31-35, it is characterised in that also include：Activation deactivates instruction sending module, the activation of message, which indicates or deactivated to indicate, to be indicated to the joint feedback for being sent to the user equipment, the activation indicates to be used to indicate that the user equipment execution carries out process group joint HARQ feedback, or described deactivate indicates to be used to indicate that the user is not performed to process group progress joint HARQ feedback.
    37th, the base station according to claim any one of 31-36, it is characterised in that the call sequence in the joint is anti-.
    38th, the base station according to claim any one of 31-37, it is characterised in that also include：First progress feedback time determining module, for the call sequence according to the number of processes included in the process group, the transmission time gap TTI of the called process for sending downlink data and the called process for sending downlink data in the process group, the corresponding feedback time of the process group is determined；Or, the first subframe feedback time determining module, for according to the called process corresponding scheduling time for sending downlink data, determining the corresponding feedback time of the process group.
    39th, the base station according to claim 38, it is characterised in that the called process corresponding scheduling time for sending downlink data, including：The called corresponding frame number of process and subframe numbers for sending downlink data.
    40th, the base station according to claim 38, it is characterised in that the first progress feedback time determining module includes：
    First skew TTI determining units, for according to each call sequence of the process in the process group in the number of processes and the process group included in the process group, it is determined that the skew TTI of each process;
    First feedback reference TTI determining units, for according under any called transmission in the process group The TTI of the process of row data and its corresponding skew TTI determine the feedback reference TTI of the process group;First progress feedback time determining unit, for the feedback time of the feedback reference TTI associations of the process group to be defined as into the corresponding feedback time of the process group.
    41st, the base station according to claim 34 or 39, it is characterised in that the first subframe feedback time determining module, including：
    First subframe feedback time determining unit, for [(frame number+5* subframe numbers will to be met）Mould n=n-l] relation subframe association feedback time be defined as the corresponding feedback time of the process group.
    42nd, the base station according to claim any one of 31-41, it is characterised in that also include：First carrier process group determining module, for the process called at least two carrier waves to be defined as into the process that the process group includes.
    43rd, the base station according to claim 42, it is characterised in that the TTI length of at least two carrier wave is different, the process group feedback time is determined according to process shorter TTI.
    44th, base station according to claim 43, it is characterized in that, if the process called on two carrier waves is defined as into the process that the process group includes, enter number of passes and the product of the Τ length of the carrier wave in the process group that then a carrier wave in described two carrier waves is included, equal to the Τ length of another carrier wave in described two carrier waves.
    45th, the base station according to claim any one of 31-44, it is characterised in that be in the HARQ confirmations of the corresponding feedback time reception of the process group：The combined coding information of the HARQ confirmations for each process that the process group includes.
    46th, a kind of user equipment, it is characterised in that including：
    Second process group determining module, for determining process group, the process group includes at least two processes；
    Data reception module, the downlink data that the process called the base station for receiving is sent；Send confirmation module, in the corresponding feedback time of the process group to the base station feedback HARQ confirmations.
    47th, user equipment according to claim 46, it is characterised in that the process group determining module, including：
    Process group determining unit, the time for being scheduled according to process determines the process group；Or, for determining the process group according to process number.
    48th, user equipment according to claim 47, it is characterised in that what the process was scheduled Time includes：Frame number and subframe numbers.
    49th, user equipment according to claim 47, it is characterised in that the process group determining unit, including：
    Second continuous subframes determining unit, for continuous n to be met into [(frame number+5* subframe numbers）Mould n=0] subframe and satisfaction [(frame number+5* subframe numbers）Mould n=l] subframe, until meet [(frame number+5* subframe numbers：) for integer more than or equal to 2. ' '
    50th, the user equipment according to claim any one of 46-49, it is characterised in that also include：Joint feedback indicates receiving module, indicates message for receiving the joint feedback of base station transmission, the joint feedback indicates that message is used to indicate that the user equipment carries out joint HARQ feedback to the process group, and the process group includes at least two processes.
    51st, the user equipment according to claim any one of 46-50, it is characterised in that also include：Activation deactivates instruction receiving module, indicate or deactivate to indicate for receiving the activation to the joint feedback instruction message that the base station is sent, the activation indicates to be used to indicate that the user equipment execution carries out process group joint HARQ feedback, or described deactivate indicates to be used to indicate that the user is not performed to process group progress joint HARQ feedback.
    52nd, the user equipment according to claim any one of 46-51, it is characterised in that the call sequence in the journey group.
    53rd, the user equipment according to claim any one of 46-52, it is characterised in that also include：Second progress feedback time determining module, for the call sequence according to the number of processes included in the process group, the transmission time gap TTI of the called process for sending downlink data and the called process for sending downlink data in the process group, the corresponding feedback time of the process group is determined；Or, the second subframe feedback time determining module, for according to the called process corresponding scheduling time for sending downlink data, determining the corresponding feedback time of the process group.
    54th, user equipment according to claim 53, it is characterised in that the called process corresponding scheduling time for sending downlink data, including：The called corresponding frame number of process and subframe numbers for sending downlink data.
    55th, user equipment according to claim 53, it is characterised in that the second progress feedback time determining module includes： Second skew TTI determining units, for according to each call sequence of the process in the process group in the number of processes and the process group included in the process group, it is determined that the skew of each process
    ΤΤΙ;
    Second feedback reference Τ Τ Ι determining units, the feedback reference Τ Τ Ι for determining the process group according to the Τ Τ Ι and its corresponding skew Τ Τ Ι of any called process for sending downlink data in the process group;Second progress feedback time determining unit, for the feedback time of the feedback reference Τ Τ Ι associations of the process group to be defined as into the corresponding feedback time of the process group.
    56th, the user equipment according to claim 49 or 54, it is characterised in that the second subframe feedback time determining module, including：
    Second subframe feedback time determining unit, for [(frame number+5* subframe numbers will to be met）Mould η=η -1] relation subframe association feedback time be defined as the corresponding feedback time of the process group.
    57th, the user equipment according to claim any one of 46-56, it is characterised in that also include：Second carrier wave process group determining module, for the process called at least two carrier waves to be defined as into the process that the process group includes.
    58th, user equipment according to claim 57, it is characterised in that the Τ Τ Ι length of at least two carrier wave is different, the process group feedback time is determined according to process shorter Τ Τ Ι.
    59th, user equipment according to claim 58, it is characterized in that, if the process called on two carrier waves is defined as into the process that the process group includes, enter number of passes and the product of the Τ Τ Ι length of the carrier wave in the process group that then a carrier wave in described two carrier waves is included, equal to the Τ Τ Ι length of another carrier wave in described two carrier waves.
    60th, the user equipment according to claim any one of 46-59, it is characterised in that be to the HARQ confirmations of the base station feedback in the corresponding feedback time of the process group：The combined coding information of the HARQ confirmations for each process that the process group includes.
    61st, a kind of base station, it is characterised in that including：
    Processor, for determining process group, the process group includes at least two processes；
    Transmitter, downlink data is sent for calling process to the user equipment；
    Receiver, for receiving the HARQ confirmations that the user equipment is sent in the corresponding feedback time of the process group.
    62nd, base station according to claim 61, it is characterised in that the processor is additionally operable to determine the process group according to the time that process is scheduled；Or, for determining the process group according to process number. 63rd, base station according to claim 62, it is characterised in that the process scheduled time includes：Frame number and subframe numbers.
    64th, base station according to claim 62, it is characterised in that the processor is additionally operable to meet [(frame number+5* subframe numbers by continuous n）Mould n=0] subframe and satisfaction [(frame number+5* subframe numbers）Mould n=l] subframe, until meet [(frame number+5* subframe numbers）Mould n=n- l] subframe on the process dispatched be defined as the process that the process group includes, wherein, n is the integer more than or equal to 2.
    65th, the base station according to claim 61-64, it is characterized in that, the transmitter is additionally operable to send joint feedback instruction message to user equipment, the joint feedback indicates that message is used to indicate that the user equipment carries out joint HARQ feedback to the process group, and the process group includes at least two processes.
    66th, the base station according to claim any one of 61-65, it is characterized in that, the transmitter, the activation of message, which indicates or deactivated to indicate, to be indicated to the joint feedback for being sent to the user equipment, the activation indicates to be used to indicate that the user equipment execution carries out process group joint HARQ feedback, or described deactivate indicates to be used to indicate that the user is not performed to process group progress joint HARQ feedback.
    67th, the base station according to claim any one of 61-66, it is characterised in that the call sequence in the joint is anti-.
    68th, the base station according to claim any one of 61-67, it is characterized in that, the processor is additionally operable to the biography sequence according to the number of processes included in the process group, the called process for sending downlink data, determines the corresponding feedback time of the process group；Or,
    For according to the called process corresponding scheduling time for sending downlink data, determining the corresponding feedback time of the process group.
    69th, base station according to claim 68, it is characterised in that the called process corresponding scheduling time for sending downlink data, including：The called corresponding frame number of process and subframe numbers for sending downlink data.
    70th, base station according to claim 68, it is characterised in that the processor is additionally operable to：According to each call sequence of the process in the process group in the number of processes and the process group included in the process group, it is determined that the skew TTI of each process;
    According in the process group it is any it is called send downlink data process TTI and its it is corresponding partially Move the feedback reference Τ Τ Ι that TTI determines the process group;
    The feedback reference Τ Τ Ι of the process group feedback times associated are defined as the corresponding feedback time of the process group.
    71st, the base station according to claim 64 or 69, it is characterised in that the processor is additionally operable to that [(frame number+5* subframe numbers will be met）Mould η=η -1] relation subframe association feedback time be defined as the corresponding feedback time of the process group.
    72nd, the base station according to claim any one of 61-71, it is characterised in that the processor is additionally operable to：The process called at least two carrier waves is defined as the process that the process group includes.
    73rd, the base station according to claim 72, it is characterised in that the Τ Τ Ι length of at least two carrier wave is different, the process group feedback time is determined according to process shorter Τ Τ Ι.
    74th, the base station according to claim 73, it is characterized in that, if the process called on two carrier waves is defined as into the process that the process group includes, enter number of passes and the product of the Τ length of the carrier wave in the process group that then a carrier wave in described two carrier waves is included, equal to the Τ length of another carrier wave in described two carrier waves.
    75th, the base station according to claim any one of 61-74, it is characterised in that be in the HARQ confirmations of the corresponding feedback time reception of the process group：The combined coding information of the HARQ confirmations for each process that the process group includes.
    76th, a kind of user equipment, it is characterised in that including：
    Processor, for determining process group, the process group includes at least two processes；
    Receiver, the downlink data that the process called the base station for receiving is sent；
    Transmitter, in the corresponding feedback time of the process group to the base station feedback HARQ confirmations.
    77th, the user equipment according to claim 76, it is characterised in that the processor is additionally operable to determine the process group according to the time that process is scheduled；Or, for determining the process group according to process number.
    78th, the user equipment according to claim 77, it is characterised in that the process scheduled time includes：Frame number and subframe numbers.
    79th, the user equipment according to claim 77, it is characterised in that the processor is additionally operable to meet [(frame number+5* subframe numbers by continuous n）Mould n=0] subframe and satisfaction [(frame number+5* subframe numbers：) mould n=l] and subframe, until meet [(frame number+5* subframe numbers）Mould n=n- l] subframe on the process dispatched It is defined as the process that the process group includes, wherein, n is the integer more than or equal to 2.
    80th, the user equipment according to claim any one of 76-79, it is characterized in that, the receiver is additionally operable to receive the joint feedback instruction message that base station is sent, the joint feedback indicates that message is used to indicate that the user equipment carries out joint HARQ feedback to the process group, and the process group includes at least two processes.
    81st, the user equipment according to claim any one of 76-80, it is characterized in that, the receiver, indicate or deactivate to indicate for receiving the activation to the joint feedback instruction message that the base station is sent, the activation indicates to be used to indicate that the user equipment execution carries out joint HARQ to process group and fed back, or described deactivate indicates to carry out joint HARQ feedback to process group for indicating that the user does not perform.
    82nd, the user equipment according to claim any one of 76-81, it is characterised in that the call sequence in the journey group.
    83rd, the user equipment according to claim any one of 76-82, it is characterized in that, the processor is additionally operable to, according to the number of processes included in the process group, the called process order for sending downlink data, determine the corresponding feedback time of the process group；Or,
    For according to the called process corresponding scheduling time for sending downlink data, determining the corresponding feedback time of the process group.
    84th, the user equipment according to claim 83, it is characterised in that the called process corresponding scheduling time for sending downlink data, including：The called corresponding frame number of process and subframe numbers for sending downlink data.
    85th, the user equipment according to claim 83, it is characterised in that the processor is used for：According to each call sequence of the process in the process group in the number of processes and the process group included in the process group, it is determined that the skew TTI of each process;
    The feedback reference TTI of the process group is determined according to the TTI and its corresponding skew TTI of any called process for sending downlink data in the process group;
    The feedback reference TTI of the process group feedback times associated are defined as the corresponding feedback time of the process group.
    86th, the user equipment according to claim 79 or 84, it is characterised in that the processor For [(frame number+5* subframe numbers will to be met）Mould n=n- l] relation subframe association feedback time be defined as the corresponding feedback time of the process group.
    87th, the user equipment according to claim any one of 76-86, it is characterised in that the processor is additionally operable to the process called at least two carrier waves being defined as the process that the process group includes.
    88th, the user equipment according to claim 87, it is characterised in that the TTI length of at least two carrier wave is different, the process group feedback time is determined according to process shorter TTI.
    89th, the user equipment according to claim 88, it is characterized in that, if the process called on two carrier waves is defined as into the process that the process group includes, enter number of passes and the product of the TTI length of the carrier wave in the process group that then a carrier wave in described two carrier waves is included, equal to the TTI length of another carrier wave in described two carrier waves.
    90th, the user equipment according to claim any one of 76-89, it is characterised in that be to the HARQ confirmations of the base station feedback in the corresponding feedback time of the process group：The combined coding information of the HARQ confirmations for each process that the process group includes.
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