CN107231222A - The transmission method and device of a kind of feedback information - Google Patents

The transmission method and device of a kind of feedback information Download PDF

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Publication number
CN107231222A
CN107231222A CN201610179913.3A CN201610179913A CN107231222A CN 107231222 A CN107231222 A CN 107231222A CN 201610179913 A CN201610179913 A CN 201610179913A CN 107231222 A CN107231222 A CN 107231222A
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CN
China
Prior art keywords
feedback
subframe
downlink transfer
ack
nack information
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CN201610179913.3A
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Chinese (zh)
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CN107231222B (en
Inventor
司倩倩
高雪娟
郑方政
潘学明
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China Academy of Telecommunications Technology CATT
Datang Mobile Communications Equipment Co Ltd
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China Academy of Telecommunications Technology CATT
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Priority to CN201610179913.3A priority Critical patent/CN107231222B/en
Publication of CN107231222A publication Critical patent/CN107231222A/en
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Publication of CN107231222B publication Critical patent/CN107231222B/en
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a kind of transmission method of feedback information and device, for solving in the prior art when the TTI length transmission downlink datas using flexibility and changeability, how the ACK/NACK feedback informations of downlink data transmit that there is presently no the problem of clear and definite implementation.Method includes：First terminal is according to the first feedback sequential relationship, determine the feedback subframe of transmission downlink transfer corresponding A CK/NACK information, wherein, first corresponding relation includes the corresponding relation between the subframe and feedback subframe where the Transmission Time Interval TTI of downlink transfer length, downlink transfer；The first terminal transmits the ACK/NACK information, so that when the TTI of downlink transfer is variable, it would be preferable to support the Normal Feedback of the ACK/NACK information of downlink transfer in the feedback resources of the feedback subframe.

Description

The transmission method and device of a kind of feedback information
Technical field
The present invention relates to communication technical field, more particularly to a kind of transmission method and device for feeding back breath.
Background technology
Existing Long Term Evolution (Long Term Evolution, abbreviation LTE) FDD (Frequency Division Duplex, abbreviation FDD) system using frame structure Class1 (Frame Structure type 1, Abbreviation FS1), its structure is as shown in Figure 1.In FDD system, uplink and downlink transmission uses different Carrier wave, uplink and downlink transmission uses identical frame structure.On each carrier, a 10ms length Radio frames include 10 1ms subframes, each subframe is divided into the time slot of two 0.5ms length.It is up and The length for the Transmission Time Interval (Transmission Time Interval, abbreviation TTI) that downlink data is sent For 1ms.
Existing LTE time division duplexs (Time Division Duplex, abbreviation TDD) system uses FS2 frames Structure, as shown in Figure 2.In a tdd system, uplink and downlink transmission uses the difference in identical frequency Subframe or different time-gap.The radio frames of each 10ms length are made up of the field of two 5ms length in FS2, The subframe of 5 1ms length is included in each field.Subframe in FS2 is divided into three classes：Descending sub frame, on Row subframe and special subframe, each special subframe by downlink transfer time slot (Downlink Pilot Time Slot, Abbreviation DwPTS), protection interval (Guard Period, abbreviation GP) and upstream transmission time slot (Uplink Pilot Time Slot, abbreviation UpPTS) three parts composition.Wherein, DwPTS can transmit descending pilot frequency, under Row business datum and Downlink Control Information；GP does not transmit any signal；UpPTS only transmit Stochastic accessing and Detection reference signal (Sounding Reference Symbol, abbreviation SRS), it is impossible to transmit uplink service number According to or ascending control information.At least one descending sub frame and at least one sub-frame of uplink are included in each field, And at most 1 special subframe.The 7 kinds of ascending-descending subframes configuration modes supported in FS2 are as shown in table 1.
Table 1：Uplink-downlink configuration (Uplink-downlink configurations)
In LTE versions 8 (Rel-8) system, for FDD system, on having in each subframe Row resource, therefore, the ACK/NACK information of the descending sub frame that numbering is n are the up of n+k in numbering It is transmitted in subframe.For TDD system, because downstream transmission shares frequency domain resource, it is necessary to carry out Ascending-descending subframes as shown in table 1 are divided, therefore, the ACK/NACK feedback informations of different descending sub frames It may need to be transmitted in same sub-frame of uplink, as shown in table 2, the up son for being n according to numbering Set K corresponding to frame：{k0,k1,…kM-1In each k values, it may be determined that needs are in the sub-frame of uplink Descending sub frame (descending sub frame that i.e. numbering is n-k, including special son of middle progress ACK/NACK feedbacks Including frame), then same sub-frame of uplink needs to feed back the ACK/NACK feedback informations of M descending sub frame, M is the element number in set K, to different sub-frame of uplink and different TDD uplink-downlink configurations k Value it is not necessarily identical.
The descending related K value sets { k of table 2TDD0,k1,…kM-1}
Numbering in table 2 is the subframe that numbering is n-k in units of radio frames, if n-k is less than 0, Then represent the subframe in previous radio frames.
With the development and change of mobile communication business demand, International Telecommunication Union (International Telecommunication Union, abbreviation ITU) etc. it is multiple tissue future mobile communication system is all defined Higher user plane delay performance requirement.It is reduction TTI to shorten one of main method of user's delay performance Length.When the TTI length transmission downlink datas using flexibility and changeability, the ACK/NACK of downlink data How feedback information transmits that there is presently no clear and definite implementation.
The content of the invention
The embodiments of the invention provide a kind of transmission method of feedback information and device, for solving prior art In when using flexibility and changeability TTI length transmission downlink datas when, downlink data ACK/NACK feedback How information transmits that there is presently no the problem of clear and definite implementation.
In a first aspect, a kind of sending method of feedback information, including：
First terminal determines transmission downlink transfer corresponding A CK/NACK according to the first feedback sequential relationship The feedback subframe of information, wherein, first corresponding relation includes the Transmission Time Interval of downlink transfer The corresponding relation between subframe and feedback subframe where TTI length, downlink transfer；
The first terminal transmits the ACK/NACK information in the feedback resources of the feedback subframe, The feedback resources are used for transmitting feedback information.
In a kind of possible implementation, the first feedback sequential relationship meets following condition：
Feed back subframe be comprising feedback resources at least one described, and with the downlink transfer where subframe knot Time interval between beam position is more than k times of first subframe of the TTI of downlink transfer length, K is positive integer；Or
Feed back subframe be comprising feedback resources at least one described, and with the downlink transfer where subframe knot Time interval between beam position be more than the TTI of downlink transfer length k times of first subframe it Subframe afterwards, k is positive integer.
In a kind of possible implementation, at least include in the first feedback sequential relationship：
The TTI of downlink transfer in subframe n length is 14 OFDM symbols, the downlink transfer pair Feedback subframe where answering ACK/NACK information is n+4；Or
The TTI of downlink transfer in subframe n length is 7 OFDM symbols, the downlink transfer pair Feedback subframe where answering ACK/NACK information is n+3；Or
The TTI of downlink transfer in subframe n length is 3 or 4 OFDM symbols, the descending biography Feedback subframe where defeated corresponding A CK/NACK information is n+2；Or
The TTI of downlink transfer in subframe n length is 1 or 2 OFDM symbol, the descending biography Feedback subframe where defeated corresponding A CK/NACK information is n+1.
In a kind of possible implementation, the first terminal is passed in the feedback resources of the feedback subframe Before the defeated ACK/NACK information, methods described also includes：
The first terminal receives the configured information that network side is sent；
The first terminal is determined described in the feedback subframe according to the configured information The feedback resources that ACK/NACK information is used.
In a kind of possible implementation, the first terminal is passed in the feedback resources of the feedback subframe Before the defeated ACK/NACK information, methods described also includes：
The first terminal is determined described in the feedback subframe according to the second feedback sequential relationship The feedback resources that ACK/NACK information is used, wherein, the second feedback sequential relationship includes descending pass Position of the defeated TTI length, downlink transfer place subframe, downlink transfer in subframe where the downlink transfer Put and feedback resources that the corresponding ACK/NACK information of downlink transfer is used between corresponding relation.
In a kind of possible implementation, the first terminal is passed in the feedback resources of the feedback subframe The defeated ACK/NACK information, including：
The first terminal uses time division multiplexing mode with second terminal, in the different feedbacks of the feedback subframe In resource, the ACK/NACK information is transmitted；Or
The first terminal uses frequency division multiplexing mode with second terminal, in the different feedbacks of the feedback subframe In resource, the ACK/NACK information is transmitted；Or
The first terminal uses code division multiplexing mode with second terminal, in the different feedbacks of the feedback subframe In resource, the ACK/NACK information is transmitted.
In a kind of possible implementation, the first terminal is passed in the feedback resources of the feedback subframe The defeated ACK/NACK information, including：
The first terminal is by Physical Uplink Control Channel PUCCH, in the feedback money of the feedback subframe In source, the ACK/NACK information is transmitted；Or
The first terminal is by Physical Uplink Shared Channel PUSCH, in the feedback money of the feedback subframe In source, the ACK/NACK information is transmitted.
A kind of second aspect, method of reseptance of feedback information, this method includes：
Network side determines transmission downlink transfer corresponding A CK/NACK letters according to the first feedback sequential relationship The feedback subframe of breath, wherein, first corresponding relation includes the Transmission Time Interval TTI of downlink transfer Length, the subframe where downlink transfer and the corresponding relation between feedback subframe；
The network side is in the feedback resources of the feedback subframe, the ACK/NACK of receiving terminal transmission Information, the feedback resources are used for transmitting feedback information.
Wherein, the first feedback sequential relationship is referring specifically to the associated description in first aspect, herein no longer Repeat.
In a kind of possible implementation, methods described also includes：
The lateral terminal of the network sends configured information, and the configured information is used to indicate feedback The feedback resources that ACK/NACK information described in frame is used.
In a kind of possible implementation, the network side is received in the feedback resources of the feedback subframe Before the ACK/NACK information of terminal transmission, methods described also includes：
The network side is determined described in the feedback subframe according to the second feedback sequential relationship The feedback resources that ACK/NACK information is used, wherein, the second feedback sequential relationship includes descending pass Position of the defeated TTI length, downlink transfer place subframe, downlink transfer in subframe where the downlink transfer Put and feedback resources that the corresponding ACK/NACK information of downlink transfer is used between corresponding relation.
In a kind of possible implementation, the network side is received in the feedback resources of the feedback subframe The ACK/NACK information that terminal is sent, including：
The network side receives different terminals multiple using the time-division in the different feedback resources of the feedback subframe The ACK/NACK information transmitted with mode；Or
The network side receives different terminals multiple using frequency division in the different feedback resources of the feedback subframe The ACK/NACK information transmitted with mode；Or
The network side receives different terminals multiple using code division in the different feedback resources of the feedback subframe The ACK/NACK information transmitted with mode.
In a kind of possible implementation, the network side is received in the feedback resources of the feedback subframe The ACK/NACK information of terminal transmission, including：
The network side is by Physical Uplink Control Channel PUCCH, in the feedback resources of the feedback subframe In, receive the ACK/NACK information of the terminal transmission；Or
The network side is by Physical Uplink Shared Channel PUSCH, in the feedback resources of the feedback subframe In, receive the ACK/NACK information of the terminal transmission.
The third aspect, a kind of dispensing device of feedback information, including：
Determining module, for according to the first feedback sequential relationship, determining transmission downlink transfer correspondence The feedback subframe of ACK/NACK information, wherein, first corresponding relation includes the biography of downlink transfer The corresponding relation between subframe and feedback subframe where defeated time interval TTI length, downlink transfer；
Sending module, in the feedback resources of the feedback subframe, transmitting the ACK/NACK letters Breath, the feedback resources are used for transmitting feedback information.
Wherein, the first feedback sequential relationship is referring specifically to the associated description in first aspect, herein no longer Repeat.
In a kind of possible implementation, described device also includes：
Receiving module, the configured information for receiving network side transmission；
The determining module, is additionally operable to according to the configured information, determines described in the feedback subframe The feedback resources that ACK/NACK information is used.
In a kind of possible implementation, the determining module is additionally operable to：
According to the second feedback sequential relationship, determine that ACK/NACK information makes described in the feedback subframe Feedback resources, wherein, the TTI of the second feedback sequential relationship including downlink transfer length, under The position and downlink transfer pair of subframe, downlink transfer in subframe where the downlink transfer where row transmission Corresponding relation between the feedback resources that the ACK/NACK information answered is used.
In a kind of possible implementation, the sending module specifically for：
Time division multiplexing mode is used with second terminal, in the different feedback resources of the feedback subframe, transmission The ACK/NACK information；Or
Frequency division multiplexing mode is used with second terminal, in the different feedback resources of the feedback subframe, transmission The ACK/NACK information；Or
Code division multiplexing mode is used with second terminal, in the different feedback resources of the feedback subframe, transmission The ACK/NACK information.
In a kind of possible implementation, the sending module specifically for：
By Physical Uplink Control Channel PUCCH, in the feedback resources of the feedback subframe, institute is transmitted State ACK/NACK information；Or
By Physical Uplink Shared Channel PUSCH, in the feedback resources of the feedback subframe, institute is transmitted State ACK/NACK information.
Fourth aspect, a kind of reception device of feedback information, including：
Determining module, for according to the first feedback sequential relationship, determining transmission downlink transfer correspondence The feedback subframe of ACK/NACK information, wherein, first corresponding relation includes the biography of downlink transfer The corresponding relation between subframe and feedback subframe where defeated time interval TTI length, downlink transfer；
Receiving module, for it is described feedback subframe feedback resources in, receiving terminal transmission ACK/NACK information, the feedback resources are used for transmitting feedback information.
Wherein, the first feedback sequential relationship is referring specifically to the associated description in first aspect, herein no longer Repeat.
In a kind of possible implementation, described device also includes：
Sending module, for sending configured information to the terminal, the configured information is described anti-for indicating The feedback resources that ACK/NACK information is used described in feedback subframe.
In a kind of possible implementation, the determining module is additionally operable to：
According to the second feedback sequential relationship, determine that ACK/NACK information makes described in the feedback subframe Feedback resources, wherein, the TTI of the second feedback sequential relationship including downlink transfer length, under The position and downlink transfer pair of subframe, downlink transfer in subframe where the downlink transfer where row transmission Corresponding relation between the feedback resources that the ACK/NACK information answered is used.
In a kind of possible implementation, the receiving module specifically for：
In the different feedback resources of the feedback subframe, receive different terminals and transmitted using time division multiplexing mode ACK/NACK information；Or
In the different feedback resources of the feedback subframe, receive different terminals and transmitted using frequency division multiplexing mode ACK/NACK information；Or
In the different feedback resources of the feedback subframe, receive different terminals and transmitted using code division multiplexing mode ACK/NACK information.
In a kind of possible implementation, the receiving module specifically for：
By Physical Uplink Control Channel PUCCH, in the feedback resources of the feedback subframe, institute is received State the ACK/NACK information of terminal transmission；Or
By Physical Uplink Shared Channel PUSCH, in the feedback resources of the feedback subframe, institute is received State the ACK/NACK information of terminal transmission.
5th aspect, a kind of terminal, including transceiver and at least one processing being connected with the transceiver Device, wherein：
Processor, for reading the program in memory, performs following process：
According to the first feedback sequential relationship, the anti-of transmission downlink transfer corresponding A CK/NACK information is determined Present subframe, wherein, first corresponding relation include the Transmission Time Interval TTI of downlink transfer length, The corresponding relation between subframe and feedback subframe where downlink transfer；In the feedback of the feedback subframe In resource, the transceiver is controlled to transmit the ACK/NACK information, the feedback resources are used to transmit Feedback information；
Transceiver, for receiving and sending data under the control of a processor.
Wherein, the first feedback sequential relationship is referring specifically to the associated description in first aspect, herein no longer Repeat.
In a kind of possible implementation, transceiver is additionally operable to：Receive the configured information that network side is sent；
Processor reads the program in memory, also performs：According to the configured information, determine described anti- The feedback resources that ACK/NACK information is used described in feedback subframe.
In a kind of possible implementation, processor reads the program in memory, also performs：
According to the second feedback sequential relationship, determine that ACK/NACK information makes described in the feedback subframe Feedback resources, wherein, the TTI of the second feedback sequential relationship including downlink transfer length, under The position and downlink transfer pair of subframe, downlink transfer in subframe where the downlink transfer where row transmission Corresponding relation between the feedback resources that the ACK/NACK information answered is used.
In a kind of possible implementation, processor reads the program in memory, also performs：
Time division multiplexing mode is used with second terminal, in the different feedback resources of the feedback subframe, control The transceiver transmits the ACK/NACK information；Or
Frequency division multiplexing mode is used with second terminal, in the different feedback resources of the feedback subframe, control The transceiver transmits the ACK/NACK information；Or
Code division multiplexing mode is used with second terminal, in the different feedback resources of the feedback subframe, control The transceiver transmits the ACK/NACK information.
In a kind of possible implementation, processor reads the program in memory, also performs：
By PUCCH, in the feedback resources of the feedback subframe, control the transceiver transmission described ACK/NACK information；Or
By PUSCH, in the feedback resources of the feedback subframe, control the transceiver transmission described ACK/NACK information.
6th aspect, a kind of base station, including transceiver and at least one processing being connected with the transceiver Device, wherein：
Processor, for reading the program in memory, performs following process：
According to the first feedback sequential relationship, the anti-of transmission downlink transfer corresponding A CK/NACK information is determined Present subframe, wherein, first corresponding relation include the Transmission Time Interval TTI of downlink transfer length, The corresponding relation between subframe and feedback subframe where downlink transfer；In the feedback of the feedback subframe In resource, the ACK/NACK information of the transceiver terminal transmission is controlled, the feedback resources are used In transmitting feedback information；
Transceiver, for receiving and sending data under the control of a processor.
Wherein, the first feedback sequential relationship is referring specifically to the associated description in first aspect, and here is omitted.
As a kind of possible implementation, the processor reads the program in memory, also performed：
The transceiver is controlled to send configured information to the terminal, the configured information is described anti-for indicating The feedback resources that ACK/NACK information is used described in feedback subframe.
As alternatively possible implementation, the processor reads the program in memory, also performed：
According to the second feedback sequential relationship, determine that ACK/NACK information makes described in the feedback subframe Feedback resources, wherein, the TTI of the second feedback sequential relationship including downlink transfer length, under The position and downlink transfer pair of subframe, downlink transfer in subframe where the downlink transfer where row transmission Corresponding relation between the feedback resources that the ACK/NACK information answered is used.
Based on any of the above-described embodiment, processor reads the program of memory, specific to perform：
The transceiver is controlled in the different feedback resources of the feedback subframe, when reception different terminals are used Divide the ACK/NACK information of multiplex mode transmission；Or
Control the transceiver in the different feedback resources of the feedback subframe, receive different terminals using frequency Divide the ACK/NACK information of multiplex mode transmission；Or
Control the transceiver in the different feedback resources of the feedback subframe, receive different terminals and use code Divide the ACK/NACK information of multiplex mode transmission.
Based on any of the above-described embodiment, processor reads the program in memory, specific to perform：
Control the transceiver by PUCCH, in the feedback resources of the feedback subframe, receive described The ACK/NACK information of terminal transmission；Or
Control the transceiver by PUSCH, in the feedback resources of the feedback subframe, receive described The ACK/NACK information of terminal transmission.
In method and apparatus provided in an embodiment of the present invention, based on the first feedback sequential relationship, terminal can root According to the subframe where the TTI of downlink transfer length and the downlink transfer, the transmission descending biography is determined The feedback subframe of defeated corresponding A CK/NACK information, and in the feedback resources of the feedback subframe, transmission The ACK/NACK information.Due to biography can be determined according to the TTI of different downlink transfers length The feedback subframe of the defeated downlink transfer corresponding A CK/NACK information, so that the TTI in downlink transfer can During change, it would be preferable to support the Normal Feedback of the ACK/NACK information of downlink transfer.
Brief description of the drawings
Fig. 1 is the frame structure schematic diagram in FDD system；
Fig. 2 is the frame structure schematic diagram in TDD system；
Fig. 3 is a kind of schematic flow sheet of the sending method of feedback information provided in the embodiment of the present invention；
Fig. 4 A are the schematic diagram of the first possible first feedback sequential relationship in the embodiment of the present invention；
Fig. 4 B are the schematic diagram of second of possible first feedback sequential relationship in the embodiment of the present invention；
Fig. 4 C are the schematic diagram of the third possible first feedback sequential relationship in the embodiment of the present invention；
Fig. 4 D are the schematic diagram of the 4th kind of possible first feedback sequential relationship in the embodiment of the present invention；
Fig. 5 is a kind of schematic flow sheet of the method for reseptance of feedback information provided in the embodiment of the present invention；
Fig. 6 be the embodiment of the present invention in embodiment 1 time diagram；
Fig. 7 be the embodiment of the present invention in embodiment 2 time diagram；
Fig. 8 be the embodiment of the present invention in embodiment 3 time diagram；
Fig. 9 be the embodiment of the present invention in embodiment 4 time diagram；
Figure 10 is a kind of schematic diagram of the dispensing device of feedback information provided in the embodiment of the present invention；
Figure 11 is a kind of schematic diagram of the terminal provided in the embodiment of the present invention；
Figure 12 is a kind of schematic diagram of the reception device of feedback information provided in the embodiment of the present invention；
Figure 13 is a kind of schematic diagram of the base station provided in the embodiment of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the present invention Accompanying drawing in embodiment, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that Described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based in the present invention Embodiment, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its His embodiment, 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, 4G communication systems With next generation communication system (such as 5G), 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, wideband code division is more Location (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.
In order to illustrate technical scheme, the printed words such as " first ", " second " are used, to different Terminal is made a distinction, but quantity not to terminal and operator precedence level are limited, and first terminal represents logical Any terminal in communication network, second terminal represents any terminal different from first terminal in communication network.
First terminal and second terminal in the embodiment of the present invention can be wireless terminal and catv terminal, wirelessly Terminal can refer to the equipment for providing a user voice and/or data connectivity, the hand with wireless connecting function Hold formula equipment or be connected to other processing equipments of radio modem.Wireless terminal can be through wirelessly connecing Networking (for example, RAN, Radio Access Network) is communicated with one or more core nets, nothing Line terminal can be mobile terminal, such as mobile phone (or being " honeycomb " phone) and with mobile terminal Computer, for example, it may be portable, pocket, hand-held, built-in computer or vehicle-mounted shifting Dynamic device, they exchange language and/or data with wireless access network.For example, PCS (PCS, Personal Communication Service) phone, wireless phone, Session initiation Protocol (SIP) phone, WLL (WLL, Wireless Local Loop) is stood, personal digital assistant (PDA, Personal Digital Assistant) etc. equipment.
The embodiment of the present invention is described in further detail with reference to Figure of description.It should be appreciated that herein Described embodiment is merely to illustrate and explain the present invention, and is not intended to limit the present invention.
There is provided a kind of sending method of feedback information in the embodiment of the present invention, as shown in figure 3, this method Including：
S31, first terminal determine transmission downlink transfer correspondence according to the first feedback sequential relationship The feedback subframe of ACK/NACK information, wherein, first corresponding relation includes the biography of downlink transfer The corresponding relation between subframe and feedback subframe where defeated time interval TTI length, downlink transfer.
S32, the first terminal transmit the ACK/NACK in the feedback resources of the feedback subframe Information, the feedback resources are used for transmitting feedback information.
In the embodiment of the present invention, based on the first feedback sequential relationship, first terminal can be according to downlink transfer Subframe where TTI length and the downlink transfer, determines the transmission downlink transfer correspondence The feedback subframe of ACK/NACK information, and in the feedback resources of the feedback subframe, transmission is described ACK/NACK information.Due to transmission institute can be determined according to the TTI of different downlink transfers length The feedback subframe of downlink transfer corresponding A CK/NACK information is stated, so that when the TTI of downlink transfer is variable, The Normal Feedback of the ACK/NACK information of downlink transfer can be supported.
In the embodiment of the present invention, the first feedback sequential relationship meets following condition：
Feed back subframe be comprising at least one feedback resources, and with the downlink transfer where subframe stop bits Time interval between putting is more than k times of first subframe of the TTI of downlink transfer length, and k is Positive integer；Or
Feed back subframe be comprising at least one feedback resources, and with the downlink transfer where subframe stop bits Time interval between putting is more than after k times of first subframe of the TTI of downlink transfer length Subframe, k is positive integer.
Subframe and downlink transfer pair where the TTI of downlink transfer length, downlink transfer is set forth below Four kinds of the corresponding relation between the feedback subframe where ACK/NACK information are answered possible to realize：
1st, the TTI of the downlink transfer in subframe n length is 14 OFDM symbols, the descending biography Feedback subframe where defeated corresponding A CK/NACK information is n+4.
Accordingly, if the first terminal determines that the TTI of downlink transfer length is 14 OFDM Subframe where symbol, and the downlink transfer is subframe n, then the first terminal determines downlink transfer pair Feedback subframe where answering ACK/NACK information is n+4, as shown in Figure 4 A.
2nd, the TTI of the downlink transfer in subframe n length is 7 OFDM symbols, the downlink transfer Feedback subframe where corresponding A CK/NACK information is n+3.
Accordingly, if the first terminal determines that the TTI of downlink transfer length is 7 OFDM Subframe where symbol, and the downlink transfer is subframe n, then the first terminal determines downlink transfer pair Feedback subframe where answering ACK/NACK information is n+3, as shown in Figure 4 B.
3rd, the TTI of the downlink transfer in subframe n length is 3 or 4 OFDM symbols, described descending Feedback subframe where transmitting corresponding A CK/NACK information is n+2.
Accordingly, if the first terminal determines that the TTI of downlink transfer length is 3 or 4 Subframe where OFDM symbol, and the downlink transfer is subframe n, then the first terminal is determined descending Feedback subframe where transmitting corresponding A CK/NACK information is n+2, as shown in Figure 4 C.
4th, the TTI of the downlink transfer in subframe n length is 1 or 2 OFDM symbol, described descending Feedback subframe where transmitting corresponding A CK/NACK information is n+1.
Accordingly, if the first terminal determines that the TTI of downlink transfer length is 1 or 2 Subframe where OFDM symbol, and the downlink transfer is subframe n, then the first terminal is determined descending Feedback subframe where transmitting corresponding A CK/NACK information is n+1, as shown in Figure 4 D.
In the embodiment of the present invention, preferably comprise at least the feedback resources, and with the downlink transfer institute Time interval between the end position of subframe is more than the of k times of the TTI of downlink transfer length One subframe is used as feedback subframe.
Further, if comprising feedback resources at least one described, and with the downlink transfer where subframe knot Time interval between beam position is more than k times of first subframe of the TTI of downlink transfer length not Uplink can be carried out, then feeds back subframe and is met for first after first subframe comprising at least one The feedback resources, and the downlink transfer where subframe end position between time interval be more than institute State k times of subframe of the TTI of downlink transfer length.
In the embodiment of the present invention, the feedback subframe includes at least one feedback resources, each feedback resources N number of OFDM symbol can be taken, wherein, N is the positive integer more than or equal to 1, and less than 14.
Optionally, when the feedback subframe includes at least two feedback resources, the time of different feedback resources Length can be with identical, can also be different；The quantity of frequency band shared by different feedback resources can with identical, Can be different.
Optionally, the time span for feeding back feedback resources in subframe is with the TTI's of corresponding downlink transfer Length can be with identical, can also be different.
Optionally, terminal it is determined that downlink transfer corresponding A CK/NACK information use feedback resources when, Following two possible implementations can be used：
Mode one, signaling dynamic notification first terminal downlink transfer corresponding A CK/NACK passed through by network side The feedback resources that information is used, accordingly, the signaling that first terminal is sent according to network side determine descending biography Feedback resources of the defeated corresponding A CK/NACK information used in feedback subframe, it is specific as follows：
The first terminal receives the down dispatch information that network side is sent；
The first terminal is determined described in the feedback subframe according to the descending scheduling signaling The feedback resources that ACK/NACK information is used.
Under which, network side can be used for transmitting downlink transfer correspondence with flexible dispatching feedback resources ACK/NACK information.
Mode two, the TTI of downlink transfer length and subframe implicit instruction downlink transfer pair where downlink transfer The feedback resources that the ACK/NACK information answered is used, i.e. terminal and network side are provided with the second feedback in advance Sequential relationship, the second feedback sequential relationship includes son where the TTI of downlink transfer length, downlink transfer Frame, the downlink transfer position of subframe and the corresponding ACK/NACK of downlink transfer where the downlink transfer Corresponding relation between the feedback resources that information is used.It is specific as follows：
The first terminal is determined described in the feedback subframe according to the default second feedback sequential relationship The feedback resources that ACK/NACK information is used.
Wherein, downlink transfer position of subframe where the downlink transfer is specially downlink transfer in the descending biography First shared OFDM symbol in defeated place subframe.
Based on any of the above-described embodiment, the first terminal is in the feedback resources of the feedback subframe, transmission The ACK/NACK information, including following three kinds of possible multiplex modes：
Mode 1, the first terminal and second terminal use time division multiplexing mode, in the feedback subframe In different feedback resources, the ACK/NACK information is transmitted.
Mode 2, the first terminal and second terminal use frequency division multiplexing mode, in the feedback subframe In different feedback resources, the ACK/NACK information is transmitted.
Mode 3, the first terminal and second terminal use code division multiplexing mode, in the feedback subframe In different feedback resources, the ACK/NACK information is transmitted.
Based on any of the above-described embodiment, the first terminal is in the feedback resources of the feedback subframe, transmission The ACK/NACK information, including following two possible transmission means：
The first terminal is by Physical Uplink Control Channel PUCCH, in the feedback money of the feedback subframe In source, the ACK/NACK information is transmitted；Or
The first terminal passes through Physical Uplink Shared Channel (Physical Uplink Shared Channel, letter Claim PUSCH), in the feedback resources of the feedback subframe, transmit the ACK/NACK information.
Based on same inventive concept, a kind of method of reseptance of feedback information is additionally provided in the embodiment of the present invention, As shown in figure 5, this method includes：
S51, network side determine transmission downlink transfer correspondence according to the first feedback sequential relationship The feedback subframe of ACK/NACK information, wherein, first corresponding relation includes the TTI of downlink transfer Length, the subframe where downlink transfer and the corresponding relation between feedback subframe；
S52, network side are in the feedback resources of the feedback subframe, the ACK/NACK of receiving terminal transmission Information, the feedback resources are used for transmitting feedback information.
Wherein, the associated description in the first feedback sequential relationship embodiment shown in Figure 3, herein no longer Repeat.
As a kind of implementation, methods described also includes：
The lateral terminal of the network sends configured information, and the configured information is used to indicate feedback The feedback resources that ACK/NACK information described in frame is used.
Specifically, network side is in scheduling downstream transmission, by described in descending scheduling signaling dynamic notification terminal The feedback resources that ACK/NACK information is used described in feedback subframe.
As another implementation, the network side is received eventually in the feedback resources of the feedback subframe Before the ACK/NACK information for holding transmission, methods described also includes：
The network side is determined described in the feedback subframe according to the second feedback sequential relationship The feedback resources that ACK/NACK information is used, wherein, the second feedback sequential relationship includes descending pass Position of the defeated TTI length, downlink transfer place subframe, downlink transfer in subframe where the downlink transfer Put and feedback resources that the corresponding ACK/NACK information of downlink transfer is used between corresponding relation.
Based on any of the above-described embodiment, the network side is received eventually in the feedback resources of the feedback subframe The ACK/NACK information sent is held, including：
The network side receives different terminals multiple using the time-division in the different feedback resources of the feedback subframe The ACK/NACK information transmitted with mode；Or
The network side receives different terminals multiple using frequency division in the different feedback resources of the feedback subframe The ACK/NACK information transmitted with mode；Or
The network side receives different terminals multiple using code division in the different feedback resources of the feedback subframe The ACK/NACK information transmitted with mode.
Based on any of the above-described embodiment, the network side is received eventually in the feedback resources of the feedback subframe The ACK/NACK information of transmission is held, including：
The network side is by Physical Uplink Control Channel PUCCH, in the feedback resources of the feedback subframe In, receive the ACK/NACK information of the terminal transmission；Or
The network side is by Physical Uplink Shared Channel PUSCH, in the feedback resources of the feedback subframe In, receive the ACK/NACK information of the terminal transmission.
Below by following four specific embodiment, to ACK/NACK information provided in an embodiment of the present invention Transmission method be described in detail.
Embodiment 1：In the present embodiment, the carrier wave of terminal polymerization is FDD carrier waves, using conventional CP. Assuming that downlink data of the TTI length for 14 OFDM symbols is transmitted in base station in subframe n, in subframe n+1 Middle transmission TTI length is the downlink data of 7 OFDM symbols, and TTI length is transmitted in subframe n+2 For the downlink data of 3 or 4 OFDM symbols, it is 1 or 2 that TTI length is transmitted in subframe n+3 The downlink data of OFDM symbol.According to predefined downstream feedback sequential, these downlink datas are corresponding ACK/NACK information is all fed back in subframe n+4, as shown in Figure 6.
Due to including multiple feedback resources in subframe n+4, base station can pass through wireless heterogeneous networks (Radio Resource Control, abbreviation RRC) signaling is pre-configured with and gives terminal multiple resources, and passed in dispatching downlink When defeated, by descending scheduling signal that current downlink transmits that corresponding ACK/NACK information uses it is anti- Present resource.In the present embodiment, under base station is in subframe n, subframe n+1, subframe n+2, subframe n+3 Identical feedback resources are indicated in row dispatch, the feedback resources take 7 OFDM symbols, and right Time interval between the TTI for the downlink transfer answered is both greater than k*TTI (k values here are 3).
Embodiment 2：In the present embodiment, the carrier wave of terminal polymerization is FDD carrier waves, using conventional CP. Assuming that base station downlink data of 3 kinds of TTI length to terminal transmission in subframe n：Under predefined Row feedback sequential, TTI length is the corresponding ACK/NACK information of downlink data of 7 OFDM symbols Fed back in subframe n+3, TTI length is corresponding for the downlink data of 4 OFDM symbols ACK/NACK information is fed back in subframe n+2, and TTI length is the descending of 1 OFDM symbol The corresponding ACK/NACK information of data is fed back in subframe n+1, as shown in Figure 7.
Base station can be pre-configured with by RRC signaling gives terminal multiple resources, and in scheduling downstream transmission The feedback resources corresponding to current transmission are signaled by descending scheduling.In the present embodiment, base station is in son Indicated feedback resources are different in descending scheduling signaling in frame n different TTI, indicated feedback money Source takes 7 OFDM symbol length, and the time interval between the TTI of corresponding downlink transfer is all big In k*TTI (k values here are 3).
Embodiment 3：In the present embodiment, the carrier wave of terminal polymerization is FDD carrier waves, using conventional CP. Assuming that base station transmits the downlink data of 2 kinds of TTI length in subframe n to terminal A, then according to predefined Feedback sequential, TTI length be 7 OFDM symbols the corresponding ACK/NACK information of downlink data Fed back in subframe n+3, TTI length is corresponding for the downlink data of 1 OFDM symbol ACK/NACK information is fed back in subframe n+1.Base station is also transmitted in subframe n to terminal B TTI length is the downlink data of 2 OFDM symbols, then according to predefined feedback sequential, TTI length Fed back for the corresponding ACK/NACK feedbacks of downlink data of 2 OFDM symbols in subframe n+1, As shown in Figure 8.
If terminal A and terminal B receive the downlink data in subframe n, need to enter in subframe n+1 Row feedback.Base station is pre-configured with by RRC signaling gives terminal A and terminal B many resources, and in scheduling The feedback resources corresponding to current transmission are signaled by descending scheduling during downlink transfer.In the present embodiment In, the TTI length that terminal carries out ACK/NACK feedbacks is identical with the TTI length of downlink transfer, in son In frame n+1, terminal A carries out ACK/NACK feedbacks using the TTI of 1 OFDM symbol length, Terminal B carries out ACK/NACK feedbacks, at this moment, terminal A using the TTI of 2 OFDM symbol length There can be overlapping resource block (Resource Block, abbreviation RB) with terminal B, and in these RB Upper code division multiplexing.
Embodiment 4：In the present embodiment, the carrier wave of terminal polymerization is TDD carrier waves, using conventional CP, And using TDD uplink-downlink configurations 2, it is assumed that TDD special subframes are configured to configuration 7, and (i.e. DwPTS is included 10 symbols, GP is 2 symbols, and UpPTS includes 2 symbols).
Assuming that base station transmits downlink data of the TTI length for 14 OFDM symbols in subframe 0, then According to predefined downstream feedback sequential, terminal should be fed back in subframe 4, but subframe 4 is descending The subframe that first includes feedback resources after subframe, searching subframe 4, i.e., subframe 7 is (assuming that in subframe 6 2 upgoing O FDM symbols cannot be used for transmission ACK/NACK information), therefore feedback subframe should be Subframe 7, as shown in Figure 9；
Base station transmits downlink data of the TTI length for 7 OFDM symbols in subframe 1, then basis Predefined downstream feedback sequential, terminal should be fed back in subframe 4, similarly, and subframe 4 is descending son The subframe that first includes ACK/NACK feedback resources after frame, searching subframe 4, i.e. subframe 7 is (false If 2 upgoing O FDM symbols in subframe 6 cannot be used for transmitting ACK/NACK), therefore feedback Frame should be subframe 7, as shown in Figure 9；
Base station also transmits downlink data of the TTI length for 1 OFDM symbol in subframe 1, then root According to predefined downstream feedback sequential, terminal should be fed back in subframe 2, and subframe 2 is sub-frame of uplink, Comprising ACK/NACK feedback resources, therefore feedback subframe should be subframe 2, as shown in Figure 9.
Above method handling process can realize that the software program can be stored in storage medium with software program In, when the software program of storage is called, perform above method step.
Based on same inventive concept, a kind of dispensing device of feedback information is additionally provided in the embodiment of the present invention, Because the principle that the device solves problem is similar to a kind of sending method of feedback information shown in Fig. 3, therefore The implementation of the terminal may refer to the implementation of method, repeats part and repeats no more.
A kind of dispensing device of feedback information provided in an embodiment of the present invention, as shown in Figure 10, including：
Determining module 1001, for according to the first feedback sequential relationship, determining transmission downlink transfer correspondence The feedback subframe of ACK/NACK information, wherein, first corresponding relation includes the biography of downlink transfer The corresponding relation between subframe and feedback subframe where defeated time interval TTI length, downlink transfer；
Sending module 1002, in the feedback resources of the feedback subframe, transmitting the ACK/NACK Information, the feedback resources are used for transmitting feedback information.
Wherein, the associated description in the first feedback sequential relationship embodiment shown in Figure 3, herein no longer Repeat.
In a kind of possible implementation, the terminal also includes：
Receiving module, the configured information for receiving network side transmission；
The determining module, is additionally operable to according to the configured information, determines described in the feedback subframe The feedback resources that ACK/NACK information is used.
In a kind of possible implementation, the determining module is additionally operable to：
According to the second feedback sequential relationship, determine that ACK/NACK information makes described in the feedback subframe Feedback resources, wherein, the TTI of the second feedback sequential relationship including downlink transfer length, under The position and downlink transfer pair of subframe, downlink transfer in subframe where the downlink transfer where row transmission Corresponding relation between the feedback resources that the ACK/NACK information answered is used.
In a kind of possible implementation, the sending module specifically for：
Time division multiplexing mode is used with second terminal, in the different feedback resources of the feedback subframe, transmission The ACK/NACK information；Or
Frequency division multiplexing mode is used with second terminal, in the different feedback resources of the feedback subframe, transmission The ACK/NACK information；Or
Code division multiplexing mode is used with second terminal, in the different feedback resources of the feedback subframe, transmission The ACK/NACK information.
In a kind of possible implementation, the sending module specifically for：
By PUCCH, in the feedback resources of the feedback subframe, the ACK/NACK information is transmitted； Or
By PUSCH, in the feedback resources of the feedback subframe, the ACK/NACK information is transmitted.
The embodiment of the present invention additionally provides a kind of terminal, and the terminal includes any institute in embodiment illustrated in fig. 10 The device stated.
With reference to preferred hardware configuration, structure, processing mode to terminal provided in an embodiment of the present invention Illustrate.
In the embodiment in figure 11, terminal includes transceiver 1101 and is connected with the transceiver 1101 At least one processor 1102, wherein：
Processor 1102, for reading the program in memory 1103, performs following process：
According to the first feedback sequential relationship, the anti-of transmission downlink transfer corresponding A CK/NACK information is determined Present subframe, wherein, first corresponding relation include the Transmission Time Interval TTI of downlink transfer length, The corresponding relation between subframe and feedback subframe where downlink transfer；In the feedback of the feedback subframe In resource, the transceiver 1101 is controlled to transmit the ACK/NACK information, the feedback resources are used for Transmitting feedback information；
Transceiver 1101, for data to be received and sent under the control of processor 1102.
Wherein, in fig. 11, bus architecture can include the bus and bridge of any number of interconnection, specifically The various electricity for the memory that the one or more processors and memory 1103 represented by processor 1102 are represented Road is linked together.Bus architecture can also by ancillary equipment, voltage-stablizer and management circuit etc. it Various other circuits of class are linked together, these be all it is known in the art, therefore, it is no longer right herein It is described further.EBI provides interface.Transceiver 1101 can be multiple element, that is, wrap Including transmitter and receiver, there is provided the unit for being communicated over a transmission medium with various other devices.For Different user equipmenies, user interface 1104, which can also be external to be inscribed, needs the interface of equipment, even The equipment connect includes but is not limited to keypad, display, loudspeaker, microphone, control stick etc..
Processor 1102 is responsible for bus architecture and common processing, and memory 1103 can store processing The used data when performing operation of device 1102.
Wherein, the associated description in the first feedback sequential relationship embodiment shown in Figure 3, herein no longer Repeat.
In a kind of possible implementation, transceiver 1101 is additionally operable to：Receive the instruction letter that network side is sent Breath；
Processor 1102 reads the program in memory 1103, also performs：According to the configured information, really Make the feedback resources that ACK/NACK information is used described in the feedback subframe.
In a kind of possible implementation, processor 1102 reads the program in memory 1103, also performs：
According to the second feedback sequential relationship, determine that ACK/NACK information makes described in the feedback subframe Feedback resources, wherein, the TTI of the second feedback sequential relationship including downlink transfer length, under The position and downlink transfer pair of subframe, downlink transfer in subframe where the downlink transfer where row transmission Corresponding relation between the feedback resources that the ACK/NACK information answered is used.
In a kind of possible implementation, processor 1102 reads the program in memory 1103, also performs：
Time division multiplexing mode is used with second terminal, in the different feedback resources of the feedback subframe, control The transceiver 1101 transmits the ACK/NACK information；Or
Frequency division multiplexing mode is used with second terminal, in the different feedback resources of the feedback subframe, control The transceiver 1101 transmits the ACK/NACK information；Or
Code division multiplexing mode is used with second terminal, in the different feedback resources of the feedback subframe, control The transceiver 1101 transmits the ACK/NACK information.
In a kind of possible implementation, processor 1102 reads the program in memory 1103, also performs：
By PUCCH, in the feedback resources of the feedback subframe, the transceiver 1101 is controlled to transmit The ACK/NACK information；Or
By PUSCH, in the feedback resources of the feedback subframe, the transceiver 1101 is controlled to transmit The ACK/NACK information.
Based on same inventive concept, a kind of reception device of feedback information is additionally provided in the embodiment of the present invention, Because the principle that the terminal solves problem is similar to a kind of method of reseptance of feedback information shown in Fig. 5, therefore The implementation of the device may refer to the implementation of method, repeats part and repeats no more.
A kind of reception device of feedback information provided in an embodiment of the present invention, as shown in figure 12, described device Including：
Determining module 1201, for according to the first feedback sequential relationship, determining transmission downlink transfer correspondence The feedback subframe of ACK/NACK information, wherein, first corresponding relation includes the biography of downlink transfer The corresponding relation between subframe and feedback subframe where defeated time interval TTI length, downlink transfer；
Receiving module 1202, for it is described feedback subframe feedback resources in, receiving terminal transmission ACK/NACK information, the feedback resources are used for transmitting feedback information.
Wherein, the associated description in the first feedback sequential relationship embodiment shown in Figure 3, herein no longer Repeat.
As a kind of possible implementation, described device also includes：
Sending module, for sending configured information to the terminal, the configured information is described anti-for indicating The feedback resources that ACK/NACK information is used described in feedback subframe.
As alternatively possible implementation, the determining module is additionally operable to：
According to the second feedback sequential relationship, determine that ACK/NACK information makes described in the feedback subframe Feedback resources, wherein, the TTI of the second feedback sequential relationship including downlink transfer length, under The position and downlink transfer pair of subframe, downlink transfer in subframe where the downlink transfer where row transmission Corresponding relation between the feedback resources that the ACK/NACK information answered is used.
Based on any of the above-described embodiment, the receiving module specifically for：
In the different feedback resources of the feedback subframe, receive different terminals and transmitted using time division multiplexing mode ACK/NACK information；Or
In the different feedback resources of the feedback subframe, receive different terminals and transmitted using frequency division multiplexing mode ACK/NACK information；Or
In the different feedback resources of the feedback subframe, receive different terminals and transmitted using code division multiplexing mode ACK/NACK information.
Based on any of the above-described embodiment, the receiving module specifically for：
By Physical Uplink Control Channel PUCCH, in the feedback resources of the feedback subframe, institute is received State the ACK/NACK information of terminal transmission；Or
By Physical Uplink Shared Channel PUSCH, in the feedback resources of the feedback subframe, institute is received State the ACK/NACK information of terminal transmission.
The embodiment of the present invention additionally provides a kind of network side equipment, and the network side equipment includes real shown in Figure 12 Apply any described device in example.
Below so that network side equipment is base station as an example, with reference to preferred hardware configuration, the embodiment of the present invention is carried Structure, the processing mode of the network side equipment of confession are illustrated.
In Figure 13 embodiment, base station includes transceiver 1301 and is connected with the transceiver 1301 At least one processor 1302, wherein：
Processor 1302, for reading the program in memory 1303, performs following process：
According to the first feedback sequential relationship, the anti-of transmission downlink transfer corresponding A CK/NACK information is determined Present subframe, wherein, first corresponding relation include the Transmission Time Interval TTI of downlink transfer length, The corresponding relation between subframe and feedback subframe where downlink transfer；In the feedback of the feedback subframe In resource, the ACK/NACK information of the receiving terminal of transceiver 1301 transmission, the feedback money are controlled Source is used for transmitting feedback information；
Transceiver 1301, for data to be received and sent under the control of processor 1302.
Wherein, in fig. 13, bus architecture can include the bus and bridge of any number of interconnection, specifically The various electricity for the memory that the one or more processors and memory 1303 represented by processor 1302 are represented Road is linked together.Bus architecture can also by ancillary equipment, voltage-stablizer and management circuit etc. it Various other circuits of class are linked together, these be all it is known in the art, therefore, it is no longer right herein It is described further.EBI provides interface.Transceiver 1301 can be multiple element, that is, wrap Including transmitter and receiver, there is provided the unit for being communicated over a transmission medium with various other devices.Processing Device 1302 is responsible for bus architecture and common processing, and memory 1303 can store processor 1302 The used data when performing operation.
Wherein, the associated description in the first feedback sequential relationship embodiment shown in Figure 3, herein no longer Repeat.
As a kind of possible implementation, the processor 1302 reads the program in memory 1303, Also perform：
The transceiver 1301 is controlled to send configured information to the terminal, the configured information is used to indicate The feedback resources that ACK/NACK information is used described in the feedback subframe.
As alternatively possible implementation, the processor 1302 reads the journey in memory 1303 Sequence, is also performed：
According to the second feedback sequential relationship, determine that ACK/NACK information makes described in the feedback subframe Feedback resources, wherein, the TTI of the second feedback sequential relationship including downlink transfer length, under The position and downlink transfer pair of subframe, downlink transfer in subframe where the downlink transfer where row transmission Corresponding relation between the feedback resources that the ACK/NACK information answered is used.
Based on any of the above-described embodiment, processor 1302 reads the program in memory 1303, specific to perform：
Control the transceiver 1301 in the different feedback resources of the feedback subframe, receive different terminals The ACK/NACK information transmitted using time division multiplexing mode；Or
Control the transceiver 1301 in the different feedback resources of the feedback subframe, receive different terminals The ACK/NACK information transmitted using frequency division multiplexing mode；Or
Control the transceiver 1301 in the different feedback resources of the feedback subframe, receive different terminals The ACK/NACK information transmitted using code division multiplexing mode.
Based on any of the above-described embodiment, processor 1302 reads the program in memory 1303, specific to perform：
Control the transceiver 1301 by PUCCH, in the feedback resources of the feedback subframe, receive The ACK/NACK information of the terminal transmission；Or
Control the transceiver 1301 by PUSCH, in the feedback resources of the feedback subframe, receive The ACK/NACK information of the terminal transmission.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or meter Calculation machine program product.Therefore, the present invention can be using complete hardware embodiment, complete software embodiment or knot The form of embodiment in terms of conjunction software and hardware.Wherein wrapped one or more moreover, the present invention can be used Containing computer usable program code computer-usable storage medium (include but is not limited to magnetic disk storage, CD-ROM, optical memory etc.) on the form of computer program product implemented.
The present invention is with reference to the production of method according to embodiments of the present invention, equipment (system) and computer program The flow chart and/or block diagram of product is described.It should be understood that can by computer program instructions implementation process figure and / or each flow and/or square frame in block diagram and the flow in flow chart and/or block diagram and/ Or the combination of square frame.These computer program instructions can be provided to all-purpose computer, special-purpose computer, insertion Formula processor or the processor of other programmable data processing devices are to produce a machine so that pass through and calculate The instruction of the computing device of machine or other programmable data processing devices is produced for realizing in flow chart one The device for the function of being specified in individual flow or multiple flows and/or one square frame of block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or the processing of other programmable datas to set In the standby computer-readable memory worked in a specific way so that be stored in the computer-readable memory Instruction produce include the manufacture of command device, the command device realization in one flow or multiple of flow chart The function of being specified in one square frame of flow and/or block diagram or multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices, made Obtain and perform series of operation steps on computer or other programmable devices to produce computer implemented place Reason, so that the instruction performed on computer or other programmable devices is provided for realizing in flow chart one The step of function of being specified in flow or multiple flows and/or one square frame of block diagram or multiple square frames.
, but those skilled in the art once know base although preferred embodiments of the present invention have been described This creative concept, then can make other change and modification to these embodiments.So, appended right will Ask and be intended to be construed to include preferred embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification without departing from this hair to the present invention Bright spirit and scope.So, if the present invention these modifications and variations belong to the claims in the present invention and Within the scope of its equivalent technologies, then the present invention is also intended to comprising including these changes and modification.

Claims (28)

1. a kind of sending method of feedback information, it is characterised in that this method includes：
First terminal determines transmission downlink transfer corresponding A CK/NACK according to the first feedback sequential relationship The feedback subframe of information, wherein, first corresponding relation includes the Transmission Time Interval of downlink transfer The corresponding relation between subframe and feedback subframe where TTI length, downlink transfer；
The first terminal transmits the ACK/NACK information in the feedback resources of the feedback subframe, The feedback resources are used for transmitting feedback information.
2. the method as described in claim 1, it is characterised in that the first feedback sequential relationship is met Following condition：
Feed back subframe be comprising feedback resources at least one described, and with the downlink transfer where subframe knot Time interval between beam position is more than k times of first subframe of the TTI of downlink transfer length, K is positive integer；Or
Feed back subframe be comprising feedback resources at least one described, and with the downlink transfer where subframe knot Time interval between beam position be more than the TTI of downlink transfer length k times of first subframe it Subframe afterwards, k is positive integer.
3. method as claimed in claim 2, it is characterised in that in the first feedback sequential relationship extremely Include less：
The TTI of downlink transfer in subframe n length is 14 OFDM symbols, the downlink transfer pair Feedback subframe where answering ACK/NACK information is n+4；Or
The TTI of downlink transfer in subframe n length is 7 OFDM symbols, the downlink transfer pair Feedback subframe where answering ACK/NACK information is n+3；Or
The TTI of downlink transfer in subframe n length is 3 or 4 OFDM symbols, the descending biography Feedback subframe where defeated corresponding A CK/NACK information is n+2；Or
The TTI of downlink transfer in subframe n length is 1 or 2 OFDM symbol, the descending biography Feedback subframe where defeated corresponding A CK/NACK information is n+1.
4. the method as described in any one of claims 1 to 3, it is characterised in that the first terminal is in institute In the feedback resources for stating feedback subframe, transmit before the ACK/NACK information, methods described also includes：
The first terminal receives the configured information that network side is sent；
The first terminal is determined described in the feedback subframe according to the configured information The feedback resources that ACK/NACK information is used.
5. the method as described in any one of claims 1 to 3, it is characterised in that the first terminal is in institute In the feedback resources for stating feedback subframe, transmit before the ACK/NACK information, methods described also includes：
The first terminal is determined described in the feedback subframe according to the second feedback sequential relationship The feedback resources that ACK/NACK information is used, wherein, the second feedback sequential relationship includes descending pass Position of the defeated TTI length, downlink transfer place subframe, downlink transfer in subframe where the downlink transfer Put and feedback resources that the corresponding ACK/NACK information of downlink transfer is used between corresponding relation.
6. the method as described in any one of claims 1 to 3, it is characterised in that the first terminal is in institute In the feedback resources for stating feedback subframe, the ACK/NACK information is transmitted, including：
The first terminal uses time division multiplexing mode with second terminal, in the different feedbacks of the feedback subframe In resource, the ACK/NACK information is transmitted；Or
The first terminal uses frequency division multiplexing mode with second terminal, in the different feedbacks of the feedback subframe In resource, the ACK/NACK information is transmitted；Or
The first terminal uses code division multiplexing mode with second terminal, in the different feedbacks of the feedback subframe In resource, the ACK/NACK information is transmitted.
7. the method as described in any one of claims 1 to 3, it is characterised in that the first terminal is in institute In the feedback resources for stating feedback subframe, the ACK/NACK information is transmitted, including：
The first terminal is by Physical Uplink Control Channel PUCCH, in the feedback money of the feedback subframe In source, the ACK/NACK information is transmitted；Or
The first terminal is by Physical Uplink Shared Channel PUSCH, in the feedback money of the feedback subframe In source, the ACK/NACK information is transmitted.
8. a kind of method of reseptance of feedback information, it is characterised in that this method includes：
Network side determines transmission downlink transfer corresponding A CK/NACK letters according to the first feedback sequential relationship The feedback subframe of breath, wherein, first corresponding relation includes the Transmission Time Interval TTI of downlink transfer Length, the subframe where downlink transfer and the corresponding relation between feedback subframe；
The network side is in the feedback resources of the feedback subframe, the ACK/NACK of receiving terminal transmission Information, the feedback resources are used for transmitting feedback information.
9. method as claimed in claim 8, it is characterised in that the first feedback sequential relationship is met Following condition：
Feed back subframe be comprising feedback resources at least one described, and with the downlink transfer where subframe knot Time interval between beam position is more than k times of first subframe of the TTI of downlink transfer length, K is positive integer；Or
Feed back subframe be comprising feedback resources at least one described, and with the downlink transfer where subframe knot Time interval between beam position be more than the TTI of downlink transfer length k times of first subframe it Subframe afterwards, k is positive integer.
10. method as claimed in claim 8, it is characterised in that in the first feedback sequential relationship extremely Include less：
The TTI of downlink transfer in subframe n length is 14 OFDM symbols, the downlink transfer pair Feedback subframe where answering ACK/NACK information is n+4；Or
The TTI of downlink transfer in subframe n length is 7 OFDM symbols, the downlink transfer pair Feedback subframe where answering ACK/NACK information is n+3；Or
The TTI of downlink transfer in subframe n length is 3 or 4 OFDM symbols, the descending biography Feedback subframe where defeated corresponding A CK/NACK information is n+2；Or
The TTI of downlink transfer in subframe n length is 1 or 2 OFDM symbol, the descending biography Feedback subframe where defeated corresponding A CK/NACK information is n+1.
11. the method as described in any one of claim 8~10, it is characterised in that methods described also includes：
The lateral terminal of the network sends configured information, and the configured information is used to indicate feedback The feedback resources that ACK/NACK information described in frame is used.
12. the method as described in any one of claim 8~10, it is characterised in that the network side is in institute In the feedback resources for stating feedback subframe, before the ACK/NACK information of receiving terminal transmission, methods described Also include：
The network side is determined described in the feedback subframe according to the second feedback sequential relationship The feedback resources that ACK/NACK information is used, wherein, the second feedback sequential relationship includes descending pass Position of the defeated TTI length, downlink transfer place subframe, downlink transfer in subframe where the downlink transfer Put and feedback resources that the corresponding ACK/NACK information of downlink transfer is used between corresponding relation.
13. the method as described in any one of claim 8~10, it is characterised in that the network side is in institute In the feedback resources for stating feedback subframe, the ACK/NACK information that receiving terminal is sent, including：
The network side receives different terminals multiple using the time-division in the different feedback resources of the feedback subframe The ACK/NACK information transmitted with mode；Or
The network side receives different terminals multiple using frequency division in the different feedback resources of the feedback subframe The ACK/NACK information transmitted with mode；Or
The network side receives different terminals multiple using code division in the different feedback resources of the feedback subframe The ACK/NACK information transmitted with mode.
14. the method as described in any one of claim 8~10, it is characterised in that the network side is in institute In the feedback resources for stating feedback subframe, the ACK/NACK information of receiving terminal transmission, including：
The network side is by Physical Uplink Control Channel PUCCH, in the feedback resources of the feedback subframe In, receive the ACK/NACK information of the terminal transmission；Or
The network side is by Physical Uplink Shared Channel PUSCH, in the feedback resources of the feedback subframe In, receive the ACK/NACK information of the terminal transmission.
15. a kind of dispensing device of feedback information, it is characterised in that described device includes：
Determining module, for according to the first feedback sequential relationship, determining transmission downlink transfer correspondence The feedback subframe of ACK/NACK information, wherein, first corresponding relation includes the biography of downlink transfer The corresponding relation between subframe and feedback subframe where defeated time interval TTI length, downlink transfer；
Sending module, in the feedback resources of the feedback subframe, transmitting the ACK/NACK letters Breath, the feedback resources are used for transmitting feedback information.
16. device as claimed in claim 15, it is characterised in that the first feedback sequential relationship expires It is enough lower condition：
Feed back subframe be comprising feedback resources at least one described, and with the downlink transfer where subframe knot Time interval between beam position is more than k times of first subframe of the TTI of downlink transfer length, K is positive integer；Or
Feed back subframe be comprising feedback resources at least one described, and with the downlink transfer where subframe knot Time interval between beam position be more than the TTI of downlink transfer length k times of first subframe it Subframe afterwards, k is positive integer.
17. device as claimed in claim 16, it is characterised in that in the first feedback sequential relationship At least include：
The TTI of downlink transfer in subframe n length is 14 OFDM symbols, the downlink transfer pair Feedback subframe where answering ACK/NACK information is n+4；Or
The TTI of downlink transfer in subframe n length is 7 OFDM symbols, the downlink transfer pair Feedback subframe where answering ACK/NACK information is n+3；Or
The TTI of downlink transfer in subframe n length is 3 or 4 OFDM symbols, the descending biography Feedback subframe where defeated corresponding A CK/NACK information is n+2；Or
The TTI of downlink transfer in subframe n length is 1 or 2 OFDM symbol, the descending biography Feedback subframe where defeated corresponding A CK/NACK information is n+1.
18. the device as described in any one of claim 15~17, it is characterised in that described device also includes：
Receiving module, the configured information for receiving network side transmission；
The determining module, is additionally operable to according to the configured information, determines described in the feedback subframe The feedback resources that ACK/NACK information is used.
19. the device as described in any one of claim 15~17, it is characterised in that the determining module is also For：
According to the second feedback sequential relationship, determine that ACK/NACK information makes described in the feedback subframe Feedback resources, wherein, the TTI of the second feedback sequential relationship including downlink transfer length, under The position and downlink transfer pair of subframe, downlink transfer in subframe where the downlink transfer where row transmission Corresponding relation between the feedback resources that the ACK/NACK information answered is used.
20. the device as described in any one of claim 15~17, it is characterised in that the sending module tool Body is used for：
Time division multiplexing mode is used with second terminal, in the different feedback resources of the feedback subframe, transmission The ACK/NACK information；Or
Frequency division multiplexing mode is used with second terminal, in the different feedback resources of the feedback subframe, transmission The ACK/NACK information；Or
Code division multiplexing mode is used with second terminal, in the different feedback resources of the feedback subframe, transmission The ACK/NACK information.
21. the device as described in any one of claim 15~17, it is characterised in that the sending module tool Body is used for：
By Physical Uplink Control Channel PUCCH, in the feedback resources of the feedback subframe, institute is transmitted State ACK/NACK information；Or
By Physical Uplink Shared Channel PUSCH, in the feedback resources of the feedback subframe, institute is transmitted State ACK/NACK information.
22. a kind of reception device of feedback information, it is characterised in that described device includes：
Determining module, for according to the first feedback sequential relationship, determining transmission downlink transfer correspondence The feedback subframe of ACK/NACK information, wherein, first corresponding relation includes the biography of downlink transfer The corresponding relation between subframe and feedback subframe where defeated time interval TTI length, downlink transfer；
Receiving module, for it is described feedback subframe feedback resources in, receiving terminal transmission ACK/NACK information, the feedback resources are used for transmitting feedback information.
23. device as claimed in claim 22, it is characterised in that the first feedback sequential relationship expires It is enough lower condition：
Feed back subframe be comprising feedback resources at least one described, and with the downlink transfer where subframe knot Time interval between beam position is more than k times of first subframe of the TTI of downlink transfer length, K is positive integer；Or
Feed back subframe be comprising feedback resources at least one described, and with the downlink transfer where subframe knot Time interval between beam position be more than the TTI of downlink transfer length k times of first subframe it Subframe afterwards, k is positive integer.
24. device as claimed in claim 23, it is characterised in that in the first feedback sequential relationship At least include：
The TTI of downlink transfer in subframe n length is 14 OFDM symbols, the downlink transfer pair Feedback subframe where answering ACK/NACK information is n+4；Or
The TTI of downlink transfer in subframe n length is 7 OFDM symbols, the downlink transfer pair Feedback subframe where answering ACK/NACK information is n+3；Or
The TTI of downlink transfer in subframe n length is 3 or 4 OFDM symbols, the descending biography Feedback subframe where defeated corresponding A CK/NACK information is n+2；Or
The TTI of downlink transfer in subframe n length is 1 or 2 OFDM symbol, the descending biography Feedback subframe where defeated corresponding A CK/NACK information is n+1.
25. the device as described in any one of claim 22~24, it is characterised in that described device also includes：
Sending module, for sending configured information to the terminal, the configured information is described anti-for indicating The feedback resources that ACK/NACK information is used described in feedback subframe.
26. the device as described in any one of claim 22~24, it is characterised in that the determining module is also For：
According to the second feedback sequential relationship, determine that ACK/NACK information makes described in the feedback subframe Feedback resources, wherein, the TTI of the second feedback sequential relationship including downlink transfer length, under The position and downlink transfer pair of subframe, downlink transfer in subframe where the downlink transfer where row transmission Corresponding relation between the feedback resources that the ACK/NACK information answered is used.
27. the device as described in any one of claim 22~24, it is characterised in that the receiving module tool Body is used for：
In the different feedback resources of the feedback subframe, receive different terminals and transmitted using time division multiplexing mode ACK/NACK information；Or
In the different feedback resources of the feedback subframe, receive different terminals and transmitted using frequency division multiplexing mode ACK/NACK information；Or
In the different feedback resources of the feedback subframe, receive different terminals and transmitted using code division multiplexing mode ACK/NACK information.
28. the device as described in any one of claim 22~24, it is characterised in that the receiving module tool Body is used for：
By Physical Uplink Control Channel PUCCH, in the feedback resources of the feedback subframe, institute is received State the ACK/NACK information of terminal transmission；Or
By Physical Uplink Shared Channel PUSCH, in the feedback resources of the feedback subframe, institute is received State the ACK/NACK information of terminal transmission.
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