CN105634689B - A kind of feedback method and device of HARQ confirmation message - Google Patents

A kind of feedback method and device of HARQ confirmation message Download PDF

Info

Publication number
CN105634689B
CN105634689B CN201410637897.9A CN201410637897A CN105634689B CN 105634689 B CN105634689 B CN 105634689B CN 201410637897 A CN201410637897 A CN 201410637897A CN 105634689 B CN105634689 B CN 105634689B
Authority
CN
China
Prior art keywords
confirmation message
harq confirmation
terminal
bit
dci
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201410637897.9A
Other languages
Chinese (zh)
Other versions
CN105634689A (en
Inventor
邢艳萍
沈祖康
潘学明
徐伟杰
高雪娟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Academy of Telecommunications Technology CATT
Datang Mobile Communications Equipment Co Ltd
Original Assignee
China Academy of Telecommunications Technology CATT
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Academy of Telecommunications Technology CATT filed Critical China Academy of Telecommunications Technology CATT
Priority to CN201410637897.9A priority Critical patent/CN105634689B/en
Priority to PCT/CN2015/093689 priority patent/WO2016070790A1/en
Publication of CN105634689A publication Critical patent/CN105634689A/en
Application granted granted Critical
Publication of CN105634689B publication Critical patent/CN105634689B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)

Abstract

The embodiment of the invention discloses the feedback methods and device of a kind of HARQ confirmation message.The embodiment of the present invention determines the HARQ confirmation message for needing the uplink data channels fed back to terminal by the network equipment；The network equipment sends DCI to the terminal, and the HARQ confirmation message of the uplink data channels is carried in the DCI.In embodiments of the present invention, a kind of new DCI format is defined, the carrying HARQ confirmation message in the DCI is realized, to realize the feedback of HARQ confirmation message.

Description

A kind of feedback method and device of HARQ confirmation message
Technical field
The present invention relates to field of communication technology more particularly to a kind of HARQ (Hybrid Automatic Repeat Request, hybrid automatic repeat-request) confirmation message feedback method and device.
Background technique
DCI (Downlink Control Information, Downlink Control Information) is used for transmission downlink and uplink data Scheduling information and uplink power control information of transmission etc..Depending on the application with the difference of the information content, DCI is divided into different lattice Formula (DCI Format).One DCI can pass through PDCCH (Physical Downlink Control Channel, under physics Row control channel) or EPDCCH (Enhanced Physical Downlink Control Channel, enhancing physical down Control channel) carrying.
LTE (Long Term Evolution, long term evolution) system uplink the HARQ mechanisms such as stops using synchronous multi-process, Re-transmission must take place at the predefined moment.LTE system supports that synchronous non-self-adapting HARQ is retransmitted and synchronous self-adapting HARQ is heavy It passes.In the prior art, (Physical Hybrid ARQ Indicator Channel, physical mixed autonomous retransmission refer to PHICH Show channel) for carrying HARQ response (ACK/NACK) information for Uplink Shared Channel (UL-SCH) data packet.Due to For ACK/NACK information by 1bit denoting signaling, message length is very short, uses repeated encoding, low-order-modulated (BPSK), orthogonal expansion The modes such as exhibition, scrambling, the mapping of time-frequency diversity guarantee the transmission performance of ACK/NACK.
With the rise of Internet of Things, machine type communication (Machine Type is supported in LTE system Communication, MTC) increasingly it is taken seriously.3GPP Release 13 set up the project for MTC physical layer enhance item Mesh.Wherein, in order to reduce the cost of MTC UE (User ' s Equipment, user equipment, i.e. terminal), a kind of UE will newly be defined 1.4MHz radio frequency bandwidth is only supported in type, uplink and downlink.
Since carrying for the PHICH of the HARQ response message of Uplink Shared Channel data packet is sent in full bandwidth, because This supports the UE of 1.4MHz radio frequency bandwidth that can not receive PHICH, currently, for 1.4MHz radio frequency bandwidth MTC UE is only supported, It there is no the feedback scheme of HARQ confirmation message.
Summary of the invention
The present invention provides the feedback method and device of a kind of hybrid automatic repeat-request HARQ confirmation message, for realizing The feedback of HARQ confirmation message.
The embodiment of the present invention provides a kind of feedback method of hybrid automatic repeat-request HARQ confirmation message, comprising:
The network equipment determines the HARQ confirmation message for needing the uplink data channels fed back to terminal；
The network equipment sends Downlink Control Information DCI to the terminal, and the upstream data letter is carried in the DCI The HARQ confirmation message in road.
Preferably, carrying one or more HARQ confirmation message in the DCI.
Preferably, the DCI for carrying HARQ confirmation message, which is used, is exclusively used in the wireless of the HARQ confirmation message feedback Network Temporary Identifier RNTI is scrambled.
Preferably, it further includes before true to the HARQ carried in the DCI that the network equipment, which sends DCI to the terminal, Recognize the process that information is encoded, the process of the coding includes:
Cyclic redundancy check (CRC) codes are added to the HARQ confirmation message, and use is exclusively used in the HARQ confirmation message The RNTI of feedback is scrambled with the CRC code, the HARQ confirmation message after being scrambled；
Convolutional encoding is carried out to the HARQ confirmation message after scrambling；
Rate-matched is carried out to the HARQ confirmation message after convolutional encoding.
Preferably, the HARQ confirmation message of the uplink data channels in one or more subbands is carried in a DCI, The HARQ confirmation message of uplink data channels in one or more of subbands is a bit sequence, in the bit sequence Bit with distribute to the PRB of terminal there are in corresponding relationship or the bit sequence bit and the PRB that distributes to terminal And there are corresponding relationships by demodulation reference mark cyclic shift DMRS cyclic shift；The subband refers in system bandwidth A Physical Resource Block PRB set；
When the network equipment sends the DCI, need to feed back to the terminal according to corresponding relationship determination Position of the corresponding bit of HARQ confirmation message in the bit sequence.
Preferably, the HARQ confirmation message of the uplink data channels in a subband is carried in a DCI, it is entrained HARQ confirmation message is N number of bit, and the HARQ confirmation message of the corresponding PRB of a bit, N is the PRB number in a subband Amount；
When the network equipment sends the DCI, determine that the HARQ for needing to feed back to the terminal is true according to the following formula Recognize position of the corresponding bit of information in N number of bit:
Wherein, i indicates location index of the HARQ confirmation message of the terminal in N number of bit,For Distribute to the number of the PRB of the terminal, value range 0,1 ..., N-1.
Preferably, the HARQ confirmation message of the uplink data channels in a subband is carried in a DCI, it is entrained HARQ confirmation message is N × D bit, and N is the PRB quantity in a subband, and D, which is that DMRS cyclic shift is possible, to be taken Value sum；
When the network equipment sends the DCI, determine that the HARQ for needing to feed back to the terminal is true according to the following formula Recognize position of the corresponding bit of information in the N × D bit:
Alternatively,
Wherein, i indicates location index of the HARQ confirmation message of the terminal in the N × D bit, For distribute to the terminal PRB number, value range 0,1 ..., N-1, nDMRS be DMRS cyclic shift volume Number, value range 0,1 ..., D-1.
Preferably, the HARQ confirmation message of the uplink data channels in M subband is carried in a DCI, it is entrained HARQ confirmation message be N × M bit, N is the PRB quantity in subband；
When the network equipment sends the DCI, determine that the HARQ for needing to feed back to the terminal is true according to the following formula Recognize position of the corresponding bit of information in the N × M bit:
Alternatively,
Wherein, i indicates location index of the HARQ confirmation message of the terminal in the N × M bit, and m is subband Number, value range 0,1 ..., M-1,For distribute to the terminal PRB number, value range 0, 1 ..., N-1.
Preferably, the HARQ confirmation message of the uplink data channels in M subband is carried in a DCI, it is entrained HARQ confirmation message be N × D × M bit, N is the PRB quantity in subband, and D is DMRS cyclic shift possibility Value sum；
When the network equipment sends the DCI, determine that the HARQ for needing to feed back to the terminal is true according to the following formula Recognize position of the corresponding bit of information in the N × D × M bit:
Alternatively,
Alternatively,
Alternatively,
Alternatively,
Alternatively,
Wherein, i indicates that location index of the HARQ confirmation message of the terminal in N number of bit, m are subband volume Number, value range 0,1 ..., M-1,For distribute to the terminal PRB number, value range 0,1 ..., N-1, nDMRS are the number of DMRS cyclic shift, value range 0,1 ..., D-1.
Preferably, the DCI is transmitted in public search space.
Preferably, the DCI is sent by Physical Downlink Control Channel, the Physical Downlink Control Channel is in data area Transmission.
The feedback method of another kind hybrid automatic repeat-request HARQ confirmation message provided in an embodiment of the present invention, comprising:
Terminal receives the Downlink Control Information DCI that the network equipment is sent；
The terminal obtains the HARQ confirmation message of the uplink data channels carried in the DCI.
Preferably, carrying one or more HARQ confirmation message in the DCI.
Preferably, during the terminal obtains the HARQ confirmation messages of the uplink data channels carried in the DCI, The HARQ confirmation message carried in the DCI is descrambled using the RNTI for being exclusively used in the HARQ confirmation message feedback.
Preferably, the terminal obtains the HARQ confirmation message of the uplink data channels carried in the DCI, packet It includes:
The data that the end-on receives carry out solution rate-matched, the HARQ confirmation message after obtaining solution rate-matched；
The terminal is decoded the HARQ confirmation message after solution rate-matched；
The terminal using be exclusively used in the RNTI of the HARQ confirmation message feedback to decoded HARQ confirmation message into Row descrambling.
Preferably, the HARQ confirmation message of the uplink data channels in one or more subbands is carried in a DCI, The HARQ confirmation message of uplink data channels in one or more of subbands is a bit sequence, in the bit sequence Bit with distribute to the PRB of terminal there are in corresponding relationship or the bit sequence bit and the PRB that distributes to terminal And there are corresponding relationships by demodulation reference mark cyclic shift DMRS cyclic shift；The subband refers in system bandwidth A Physical Resource Block PRB set；
When the terminal receives the DCI, determine that the HARQ confirmation message of the terminal is corresponding according to the corresponding relationship Position of the bit in the bit sequence.
Preferably, the HARQ confirmation message of the uplink data channels in a subband is carried in a DCI, it is entrained HARQ confirmation message is N number of bit, and the HARQ confirmation message of the corresponding PRB of a bit, N is the PRB number in a subband Amount；
When the terminal receives the DCI, the corresponding ratio of the HARQ confirmation message of the terminal is determined according to the following formula Position of the spy in N number of bit:
Wherein, i indicates location index of the HARQ confirmation message of the terminal in N number of bit,For Distribute to the number of the PRB of the terminal, value range 0,1 ..., N-1.
Preferably, the HARQ confirmation message of the uplink data channels in a subband is carried in a DCI, it is entrained HARQ confirmation message is N × D bit, and N is the PRB quantity in a subband, and D, which is that DMRS cyclic shift is possible, to be taken Value sum；
When the terminal receives the DCI, the corresponding ratio of the HARQ confirmation message of the terminal is determined according to the following formula Position of the spy in the N × D bit:
Alternatively,Wherein, i indicates the HARQ confirmation message of the terminal at the N × D Location index in bit,For distribute to the terminal PRB number, value range 0,1 ..., N-1, NDMRS is the number of DMRS cyclic shift, value range 0,1 ..., D-1.
Preferably, the HARQ confirmation message of the uplink data channels in M subband is carried in a DCI, it is entrained HARQ confirmation message be N × M bit, N is the PRB quantity in subband；
When the terminal receives the DCI, the corresponding ratio of the HARQ confirmation message of the terminal is determined according to the following formula Position of the spy in the N × M bit:
Alternatively,
Wherein, i indicates location index of the HARQ confirmation message of the terminal in the N × M bit, and m is subband Number, value range 0,1 ..., M-1,For distribute to the terminal PRB number, value range 0, 1 ..., N-1.
Preferably, the HARQ confirmation message of the uplink data channels in M subband is carried in a DCI, it is entrained HARQ confirmation message be N × D × M bit, N is the PRB quantity in subband, and D is DMRS cyclic shift possibility Value sum；
When the terminal receives the DCI, the corresponding ratio of the HARQ confirmation message of the terminal is determined according to the following formula Position of the spy in the N × D × M bit:
Alternatively,
Alternatively,
Alternatively,
Alternatively,
Alternatively,
Wherein, i indicates that location index of the HARQ confirmation message of the terminal in N number of bit, m are subband volume Number, value range 0,1 ..., M-1,For distribute to the terminal PRB number, value range 0,1 ..., N-1, nDMRS are the number of DMRS cyclic shift, value range 0,1 ..., D-1.
Preferably, the DCI is transmitted in public search space.
Preferably, the DCI is sent by Physical Downlink Control Channel, the Physical Downlink Control Channel is in data area Transmission.
A kind of base station provided in an embodiment of the present invention, comprising:
Processing module, for determining the HARQ confirmation message for needing the uplink data channels fed back to terminal；
Sending module carries the upstream data in the DCI for sending Downlink Control Information DCI to the terminal The HARQ confirmation message of channel.
Preferably, carrying one or more HARQ confirmation message in the DCI.
Preferably, the DCI for carrying HARQ confirmation message uses the RNTI for being exclusively used in the HARQ confirmation message feedback It is scrambled.
Preferably, the processing module is also used to:
Before sending DCI to the terminal, cyclic redundancy check (CRC) codes are added to the HARQ confirmation message, and make It is scrambled with the RNTI for being exclusively used in the HARQ confirmation message feedback with the CRC code, the HARQ confirmation letter after being scrambled Breath；
Convolutional encoding is carried out to the HARQ confirmation message after scrambling；
Rate-matched is carried out to the HARQ confirmation message after convolutional encoding.
Preferably, the HARQ confirmation message of the uplink data channels in one or more subbands is carried in a DCI, The HARQ confirmation message of uplink data channels in one or more of subbands is a bit sequence, in the bit sequence Bit with distribute to the PRB of terminal there are in corresponding relationship or the bit sequence bit and the PRB that distributes to terminal And there are corresponding relationships by demodulation reference mark cyclic shift DMRS cyclic shift；The subband refers in system bandwidth A Physical Resource Block PRB set；
The processing module is specifically used for:
Determine the corresponding bit of HARQ confirmation message for needing to feed back to the terminal described according to the corresponding relationship Position in bit sequence.
Preferably, the HARQ confirmation message of the uplink data channels in a subband is carried in a DCI, it is entrained HARQ confirmation message is N number of bit, and the HARQ confirmation message of the corresponding PRB of a bit, N is the PRB number in a subband Amount；
The processing module is specifically used for:
Determine the corresponding bit of HARQ confirmation message for needing to feed back to the terminal in N number of ratio according to the following formula Position in spy:
Wherein, i indicates location index of the HARQ confirmation message of the terminal in N number of bit,For Distribute to the number of the PRB of the terminal, value range 0,1 ..., N-1.
Preferably, the HARQ confirmation message of the uplink data channels in a subband is carried in a DCI, it is entrained HARQ confirmation message is N × D bit, and N is the PRB quantity in a subband, and D is demodulation reference mark cyclic shift DMRS The possible value sum of cyclic shift；
The processing module is specifically used for:
Determine the corresponding bit of HARQ confirmation message for needing to feed back to the terminal in the N × D according to the following formula Position in a bit:
Alternatively,
Wherein, i indicates location index of the HARQ confirmation message of the terminal in the N × D bit, For distribute to the terminal PRB number, value range 0,1 ..., N-1, nDMRS be DMRS cyclic shift volume Number, value range 0,1 ..., D-1.
Preferably, the HARQ confirmation message of the uplink data channels in M subband is carried in a DCI, it is entrained HARQ confirmation message be N × M bit, N is the PRB quantity in subband；
The processing module is specifically used for:
Determine the corresponding bit of HARQ confirmation message for needing to feed back to the terminal in the N × M according to the following formula Position in a bit:
Alternatively,
Wherein, i indicates location index of the HARQ confirmation message of the terminal in the N × M bit, and m is subband Number, value range 0,1 ..., M-1,For distribute to the terminal PRB number, value range 0, 1 ..., N-1.
Preferably, the HARQ confirmation message of the uplink data channels in M subband is carried in a DCI, it is entrained HARQ confirmation message be N × D × M bit, N is the PRB quantity in subband, and D is DMRS cyclic shift possibility Value sum；
The processing module is specifically used for:
Determine the corresponding bit of HARQ confirmation message for needing to feed back to the terminal in the N × D according to the following formula Position in × M bit:
Alternatively,
Alternatively,
Alternatively,
Alternatively,
Alternatively,
Wherein, i indicates that location index of the HARQ confirmation message of the terminal in N number of bit, m are subband volume Number, value range 0,1 ..., M-1,For distribute to the terminal PRB number, value range 0,1 ..., N-1, nDMRS are the number of DMRS cyclic shift, value range 0,1 ..., D-1.
Preferably, the DCI is transmitted in public search space.
Preferably, the DCI is sent by Physical Downlink Control Channel, the Physical Downlink Control Channel is in data area Transmission.
A kind of terminal provided in an embodiment of the present invention, comprising:
Receiving module, for receiving the Downlink Control Information DCI of network equipment transmission；
Processing module, for obtaining the HARQ confirmation message of the uplink data channels carried in the DCI.
Preferably, carrying one or more HARQ confirmation message in the DCI.
Preferably, during the terminal obtains the HARQ confirmation messages of the uplink data channels carried in the DCI, The HARQ confirmation message carried in the DCI is descrambled using the RNTI for being exclusively used in the HARQ confirmation message feedback.
Preferably, the processing module is also used to:
The data that the end-on receives carry out solution rate-matched, the HARQ confirmation message after obtaining solution rate-matched；
The terminal is decoded the HARQ confirmation message after solution rate-matched；
The terminal using be exclusively used in the RNTI of the HARQ confirmation message feedback to decoded HARQ confirmation message into Row descrambling.
Preferably, the HARQ confirmation message of the uplink data channels in one or more subbands is carried in a DCI, The HARQ confirmation message of uplink data channels in one or more of subbands is a bit sequence, in the bit sequence Bit with distribute to the PRB of terminal there are in corresponding relationship or the bit sequence bit and the PRB that distributes to terminal And there are corresponding relationships by demodulation reference mark cyclic shift DMRS cyclic shift；The subband refers in system bandwidth A Physical Resource Block PRB set；
The processing module is specifically used for:
Determine the corresponding bit of HARQ confirmation message of the terminal in the bit sequence according to the corresponding relationship Position.
Preferably, the HARQ confirmation message of the uplink data channels in a subband is carried in a DCI, it is entrained HARQ confirmation message is N number of bit, and the HARQ confirmation message of the corresponding PRB of a bit, N is the PRB number in a subband Amount；
The processing module is specifically used for:
Position of the corresponding bit of HARQ confirmation message of the terminal in N number of bit is determined according to the following formula It sets:
Wherein, i indicates location index of the HARQ confirmation message of the terminal in N number of bit,For Distribute to the number of the PRB of the terminal, value range 0,1 ..., N-1.
Preferably, the HARQ confirmation message of the uplink data channels in a subband is carried in a DCI, it is entrained HARQ confirmation message is N × D bit, and N is the PRB quantity in a subband, and D, which is that DMRS cyclic shift is possible, to be taken Value sum；
The processing module is specifically used for:
Determine the corresponding bit of HARQ confirmation message of the terminal in the N × D bit according to the following formula Position:
Alternatively,
Wherein, i indicates location index of the HARQ confirmation message of the terminal in the N × D bit, For distribute to the terminal PRB number, value range 0,1 ..., N-1, nDMRS be DMRS cyclic shift volume Number, value range 0,1 ..., D-1.
Preferably, the HARQ confirmation message of the uplink data channels in M subband is carried in a DCI, it is entrained HARQ confirmation message be N × M bit, N is the PRB quantity in subband；
The processing module is specifically used for:
Determine the corresponding bit of HARQ confirmation message of the terminal in the N × M bit according to the following formula Position:
Alternatively,
Wherein, i indicates location index of the HARQ confirmation message of the terminal in the N × M bit, and m is subband Number, value range 0,1 ..., M-1,For distribute to the terminal PRB number, value range 0, 1 ..., N-1.
Preferably, the HARQ confirmation message of the uplink data channels in M subband is carried in a DCI, it is entrained HARQ confirmation message be N × D × M bit, N is the PRB quantity in subband, and D is DMRS cyclic shift possibility Value sum；
The processing module is specifically used for:
Determine the corresponding bit of HARQ confirmation message of the terminal in the N × D × M bit according to the following formula Position:
Alternatively,
Alternatively,
Alternatively,
Alternatively,
Alternatively,
Wherein, i indicates that location index of the HARQ confirmation message of the terminal in N number of bit, m are subband volume Number, value range 0,1 ..., M-1,For distribute to the terminal PRB number, value range 0,1 ..., N-1, nDMRS are the number of DMRS cyclic shift, value range 0,1 ..., D-1.
Preferably, the DCI is transmitted in public search space.
Preferably, the DCI is sent by Physical Downlink Control Channel, the Physical Downlink Control Channel is in data area Transmission.
The embodiment of the present invention determines the HARQ confirmation letter for needing the uplink data channels fed back to terminal by the network equipment Breath；The network equipment sends DCI to the terminal, and the HARQ confirmation message of the uplink data channels is carried in the DCI. In embodiments of the present invention, a kind of new DCI format is defined, the carrying HARQ confirmation message in the DCI is realized, thus real The feedback of HARQ confirmation message is showed.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of the feedback method for HARQ confirmation message that the embodiment of the present invention one provides；
Fig. 2 is the cataloged procedure schematic diagram of HARQ confirmation message in the embodiment of the present invention；
Fig. 3 is a kind of flow diagram of the feedback method of HARQ confirmation message provided by Embodiment 2 of the present invention；
Fig. 4 is resource allocation of embodiment of the present invention schematic diagram；
Fig. 5 is a kind of base station schematic diagram that the embodiment of the present invention three provides；
Fig. 6 is a kind of terminal schematic diagram that the embodiment of the present invention four provides；
Fig. 7 is a kind of base station schematic diagram that the embodiment of the present invention five provides；
Fig. 8 is a kind of terminal schematic diagram that the embodiment of the present invention six provides.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into It is described in detail to one step, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole implementation Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts All other embodiment, shall fall within the protection scope of the present invention.
Fig. 1 is a kind of flow diagram of the feedback method for HARQ confirmation message that the embodiment of the present invention one provides, including Following steps 101 are to step 102:
Step 101, the network equipment determines the HARQ confirmation message for needing the uplink data channels fed back to terminal；
Step 102, the network equipment sends DCI to the terminal, carries the uplink data channels in the DCI HARQ confirmation message.
The DCI that DCI described in above-mentioned process newly defines for the embodiment of the present invention, the DCI are used to carry feedback HARQ confirmation message (including HARQ ACK and/or HARQ NACK).
Optionally, one or more HARQ confirmation messages can be carried in the DCI.If carried in the DCI multiple HARQ confirmation message, then the multiple HARQ confirmation message can belong to a terminal or multiple terminals.
Preferably, the HARQ confirmation letter of the uplink data channels in one or more subbands can be carried in a DCI Breath, the subband refer to that a Physical Resource Block PRB in system bandwidth gathers.Uplink in one or more of subbands The HARQ confirmation message of data channel is a bit sequence, and the bit in the bit sequence is deposited with the PRB for distributing to terminal Bit in corresponding relationship or the bit sequence and the PRB and demodulation reference mark cyclic shift for distributing to terminal There are corresponding relationships by DMRS cyclic shift.It in a step 102, can be according to institute when the network equipment sends the DCI It states corresponding relationship and determines position of the corresponding bit of HARQ confirmation message for needing to feed back to the terminal in the bit sequence It sets.
Below by taking three kinds of scenes as an example, the description network equipment determines that the HARQ confirmation message for needing to feed back to terminal is corresponding Position of the bit in HARQ confirmation message bit sequence.
Scene one:
The HARQ confirmation message of the uplink data channels in a subband, entrained HARQ confirmation are carried in one DCI Information is N number of bit, and the HARQ confirmation message of the corresponding PRB of a bit, N is the PRB quantity in a subband.
When the network equipment sends the DCI, (1) determines the HARQ for needing to feed back to the terminal according to the following formula Position of the corresponding bit of confirmation message in N number of bit:
... ... ... ... ... ... formula (1)
Wherein, i indicates location index of the HARQ confirmation message of the terminal in N number of bit,For Distribute to the number of the PRB of the terminal, value range 0,1 ..., N-1.
Scene two:
The HARQ confirmation message of the uplink data channels in a subband, entrained HARQ confirmation are carried in one DCI Information is N × D bit, and N is the PRB quantity in a subband, and D is DMRS (Design and Channel Estimation, demodulated reference signal) the possible value sum of cyclic shift (demodulation reference mark cyclic shift).
When the network equipment sends the DCI, (2-1) or formula (2-2) determination need to feed back according to the following formula To position of the corresponding bit of HARQ confirmation message in the N × D bit of the terminal:
... ... ... ... ... formula (2-1)
... ... ... ... ... formula (2-2)
Wherein, i indicates location index of the HARQ confirmation message of the terminal in the N × D bit, For distribute to the terminal PRB number, value range 0,1 ..., N-1, nDMRS be DMRS cyclic shift volume Number, value range 0,1 ..., D-1.
Scene three:
The HARQ confirmation message of the uplink data channels in M subband is carried in one DCI, entrained HARQ is true Recognizing information is N × M bit, and N is the PRB quantity in a subband.
When the network equipment sends the DCI, (3-1) or formula (3-2) determination need to feed back according to the following formula To position of the corresponding bit of HARQ confirmation message in the N × M bit of the terminal:
... ... ... ... ... ... formula (3-1)
... ... ... ... ... ... formula (3-2)
Wherein, i indicates location index of the HARQ confirmation message of the terminal in the N × M bit, and m is subband Number, value range 0,1 ..., M-1,For distribute to the terminal PRB number, value range 0, 1 ..., N-1.
Scene four:
The HARQ confirmation message of the uplink data channels in M subband is carried in one DCI, entrained HARQ is true Recognizing information is N × D × M bit, and N is the PRB quantity in a subband, and D is that the possible value of DMRS cyclic shift is total Number；
When the network equipment sends the DCI, (4-1) either formula (4-2) or formula (4-3) according to the following formula Either either formula (4-5) or formula (4-6) determine the HARQ confirmation message pair for needing to feed back to the terminal to formula (4-4) Position of the bit answered in the N × D × M bit:
... ... ... ... ... ... formula (4-1)
... ... ... ... ... ... formula (4-2)
... ... ... ... ... ... formula (4-3)
... ... ... ... ... ... formula (4-4)
... ... ... ... ... ... formula (4-5)
... ... ... ... ... ... formula (4-6)
Wherein, i indicates that location index of the HARQ confirmation message of the terminal in N number of bit, m are subband volume Number, value range 0,1 ..., M-1,For distribute to the terminal PRB number, value range 0,1 ..., N-1, nDMRS are the number of DMRS cyclic shift, value range 0,1 ..., D-1.
Belong to the HARQ confirmation message of multiple terminals, in view of that can carry in a DCI in order to guarantee multiple terminal energy Enough receive one's own HARQ confirmation message, the HARQ confirmation message carried in the DCI can be used that be exclusively used in the HARQ true The RNTI for recognizing information feedback is scrambled.The RNTI can be pre-configured with by network side and also be made an appointment, so as to multiple terminal The RNTI can be used to descramble DCI the or HARQ confirmation message received.
The network equipment further includes to the HARQ confirmation message carried in the DCI before sending DCI to the terminal The process encoded.In the embodiment of the present invention, the process of the coding can include:
CRC (Cyclical Redundancy Check, cyclic redundancy check) code is added to the HARQ confirmation message, And scrambled using the RNTI for being exclusively used in the HARQ confirmation message feedback with the CRC code, the HARQ after being scrambled is true Recognize information；Then, convolutional encoding is carried out to the HARQ confirmation message after scrambling；HARQ confirmation message after convolutional encoding is carried out Rate-matched.
Fig. 2 shows for the cataloged procedure of the HARQ confirmation message carried in the DCI.It is carried in one DCI multiple HARQ confirmation message, each HARQ confirmation message is indicated with 1 bit, such as is represented by bit sequence a0, a1..., aA-1, wherein A is the number of the HARQ confirmation message；CRC code will be added after A HARQ confirmation message cascade, it is described using being exclusively used in The RNTI and the CRC of HARQ confirmation message feedback are scrambled, the HARQ confirmation message bit sequence c after being scrambled0, c1..., cK-1；To c0, c1..., cK-1Carry out convolutional encoding, the HARQ confirmation message bit sequence d after obtaining convolutional encoding0 (i), d1 (i)..., dK-1 (i)；Again to d0 (i), d1 (i)..., dK-1 (i)Rate-matched is carried out, bit sequence e is obtained0, e1..., eE-1。
If multiple HARQ-ACK messages that a DCI feedback is a terminal can be used after adding CRC The RNTI and CRC of the terminal-specific are scrambled.
Preferably, the DCI is transmitted in public search space.For example, the DCI can pass through Physical Downlink Control Channel It sends, the Physical Downlink Control Channel is transmitted in data area, and the Physical Downlink Control Channel can support that common search is empty Between.
DCI in the embodiment of the present invention can be sent by physical down channel.
In a kind of application scenarios, due in LTE system inexpensive MTC (Machine Type Communication, Machine type communication) 1.4MHz radio frequency bandwidth is only supported in UE uplink and downlink, therefore is worked as UE access and be greater than 1.4MHz system bandwidth System when, original PDCCH (Physical Downlink Control Channel, Physical Downlink Control Channel) and PHICH channel continues to send in control area, and MTCUE can not receive PDCCH and PHICH, and wherein PHICH is true for carrying HARQ Recognize information, PDCCH is for carrying DCI.Therefore it needs to send Physical Downlink Control Channel in data area, to carry by control zone The information that the PDCCH and PHICH in domain are carried, the Physical Downlink Control Channel can be described as M-PDCCH.The M-PDCCH with EPDCCH (Enhanced Physical Downlink Control Channel, enhance Physical Downlink Control Channel) and The multiplex data region by the way of frequency division PDSCH.In this case, confirming in the embodiment of the present invention for carrying HARQ The DCI of information can be sent by the M-PDCCH.
The embodiment of the present invention determines the HARQ confirmation letter for needing the uplink data channels fed back to terminal by the network equipment Breath；The network equipment sends DCI to the terminal, and the HARQ confirmation message of the uplink data channels is carried in the DCI. In embodiments of the present invention, a kind of new DCI format is defined, the carrying HARQ confirmation message in the DCI is realized, thus real The feedback of HARQ confirmation message is showed.
Fig. 3 is a kind of flow diagram of the feedback method of HARQ confirmation message provided by Embodiment 2 of the present invention, comprising:
Step 301, terminal receives the Downlink Control Information DCI that the network equipment is sent；
Step 302, the terminal obtains the HARQ confirmation message of the uplink data channels carried in the DCI.
Preferably, carrying one or more HARQ confirmation message in the DCI.
Preferably, the data that the end-on receives carry out solution rate-matched, the HARQ after obtaining solution rate-matched is true Recognize information；
HARQ confirmation message after solution rate-matched is decoded；
Decoded HARQ confirmation message is descrambled.
Preferably, the HARQ confirmation letter of the uplink data channels in one or more subbands can be carried in a DCI Breath, the subband refer to that a Physical Resource Block PRB in system bandwidth gathers.Uplink in one or more of subbands The HARQ confirmation message of data channel is a bit sequence, and the bit in the bit sequence is deposited with the PRB for distributing to terminal Bit in corresponding relationship or the bit sequence and the PRB and demodulation reference mark cyclic shift for distributing to terminal There are corresponding relationships by DMRS cyclic shift；The subband refers to a Physical Resource Block PRB collection in system bandwidth It closes；
When the terminal receives the DCI, the HARQ confirmation message pair of the terminal can be determined according to the corresponding relationship Position of the bit answered in the bit sequence.
Below by taking three kinds of scenes as an example, description terminal determines the corresponding bit of HARQ confirmation message of the terminal in HARQ Position in confirmation message bit sequence.
Scene one:
The HARQ confirmation message of the uplink data channels in a subband, entrained HARQ confirmation are carried in one DCI Information is N number of bit, and the HARQ confirmation message of the corresponding PRB of a bit, N is the PRB quantity in a subband.
When the terminal receives the DCI, determine that the HARQ confirmation message of the terminal is corresponding according to above-mentioned formula (1) Position of the bit in N number of bit.
For example, N=6, i.e. include 6 PRB in a MTC subband, and 6 PRB in a MTC subband by frequency domain from low It is 0,1 to high serial number ..., 5；The HARQ confirmation message of the uplink data channels in MTC subband 0 is carried in DCI0, The HARQ confirmation message of the uplink data channels in MTC subband 1 is carried in DCI1；As shown in figure 4, MTC is assigned in terminal UE 1 The PRB#4 in MTC subband 1, and UE2 frequency hopping in subframe is assigned in PRB#1 in subband 0, UE2.
HARQ confirmation message is determined according to its described PRB#1 being assigned to when UE1 receives the DCI0 according to formula (1) Corresponding bit is a of DCI01；When UE2 receives the DCI1, HARQ confirmation letter is determined according to its described PRB#4 being assigned to Cease a that corresponding bit is DCI14。
Scene two:
The HARQ confirmation message of the uplink data channels in a subband, entrained HARQ confirmation are carried in one DCI Information is N × D bit, and N is the PRB quantity in a subband, and D is the possible value sum of DMRS cyclic shift；
When the terminal receives the DCI, the terminal is determined according to above-mentioned formula (2-1) or formula (2-2) Position of the corresponding bit of HARQ confirmation message in the N × D bit.
For example, N=6, i.e. include 6 PRB in a subband, and 6 PRB in a subband by frequency domain from low to high Serial number is 0,1 ..., 5；The HARQ confirmation message of the uplink data channels in subband 0 is carried in DCI0, carries son in DCI1 HARQ confirmation message with the uplink data channels in 1；The PRB#1 in subband 0 is assigned in UE1, and subband 1 is assigned in UE2 In PRB#4；And the possibility value of DMRS cyclic shift is 0,1,2,3.It is indicated in the DCI scheduling information of UE1 distribution DMRS cyclic shift is 2, then nDMRS=2；The resource of UE2 is predistribution, does not dispatch DCI accordingly, then nDMRS= 0。
According to formula (2-1), when UE1 receives the DCI0, determined according to the PRB#1 that it is assigned to and nDMRS=2 The corresponding bit of HARQ confirmation message is a of DCI06；When UE2 receives the DCI1, according to the PRB#4 that it is assigned to and NDMRS=0 determines that the corresponding bit of HARQ confirmation message is a of DCI116。
According to formula (2-2), when UE1 receives the DCI0, determined according to the PRB#1 that it is assigned to and nDMRS=2 The corresponding bit of HARQ confirmation message is a of DCI013；When UE2 receives the DCI1, according to the PRB#4 that it is assigned to and NDMRS=0 determines that the corresponding bit of HARQ confirmation message is a of DCI14。
Scene three:
The HARQ confirmation message of the uplink data channels in M subband is carried in one DCI, entrained HARQ is true Recognizing information is N × M bit, and N is the PRB quantity in a subband；
When the terminal receives the DCI, the terminal is determined according to above-mentioned formula (3-1) or formula (3-2) Position of the corresponding bit of HARQ confirmation message in the N × M bit.
For example, N=6, i.e. include 6 PRB in a subband, and 6 PRB in a subband by frequency domain from low to high Serial number is 0,1 ..., 5；The HARQ confirmation message of subband 0 and the uplink data channels in subband 1 is carried in one DCI； The PRB#1 in subband 0 is assigned in UE1, and the PRB#4 in subband 1 is assigned in UE2,
According to formula (3-1), when UE1 receives the DCI, determined according to the PRB#1 in the subband that it is assigned to 0 The corresponding bit of HARQ confirmation message is a in DCI1；When UE2 receives the DCI, according in the subband that it is assigned to 1 PRB#4 determines that the corresponding bit of HARQ confirmation message is a in DCI10。
According to formula (3-2), when UE1 receives the DCI, determined according to the PRB#1 in the subband that it is assigned to 0 The corresponding bit of HARQ confirmation message is a in DCI2；When UE2 receives the DCI, according in the subband that it is assigned to 1 PRB#4 determines that the corresponding bit of HARQ confirmation message is a in DCI9。
Scene four:
The HARQ confirmation message of the uplink data channels in M subband is carried in one DCI, entrained HARQ is true Recognizing information is N × D × M bit, and N is the PRB quantity in a subband, and D is that the possible value of DMRS cyclic shift is total Number；
When the network equipment sends the DCI, according to above-mentioned formula (4-1) either formula (4-2) or formula (4-3) Either either formula (4-5) or formula (4-6) determine the HARQ confirmation message pair for needing to feed back to the terminal to formula (4-4) Position of the bit answered in the N × D × M bit.
For example, N=6, i.e. include 6 PRB in a subband, and 6 PRB in a subband by frequency domain from low to high Serial number is 0,1 ..., 5；The HARQ confirmation message of subband 0 and the uplink data channels in subband 1 is carried in one DCI； The PRB#1 in subband 0 is assigned in UE1, and the PRB#4 in subband 1 is assigned in UE2.And the possibility of DMRS cyclic shift Value is 0,1,2,3.The DMRS cyclic shift indicated in the DCI scheduling information of UE1 distribution is 2, then nDMRS=2；UE2 Resource be predistribution, do not dispatch DCI accordingly, then nDMRS=0.
According to formula (4-1), when UE1 receives the DCI, according in the subband that it is assigned to 0 PRB#1 and NDMRS=2 determines that the corresponding bit of HARQ confirmation message is a in DCI6；When UE2 receives the DCI, according to its described distribution To subband 1 in PRB#4 determine the corresponding bit of HARQ confirmation message be DCI in a40。
The method that other formula determine the corresponding bit of HARQ confirmation message no longer repeats one by one.
In the embodiment of the present invention, the decoding process of terminal with the cataloged procedure of above-mentioned network side be it is corresponding, herein not It repeats again.
Preferably, the DCI is transmitted in public search space.For example, the DCI can pass through Physical Downlink Control Channel It sends, the Physical Downlink Control Channel is transmitted in data area, and the Physical Downlink Control Channel can support that common search is empty Between.
The embodiment of the present invention receives the Downlink Control Information DCI that the network equipment is sent by terminal, and obtains in the DCI The HARQ confirmation message of the uplink data channels of carrying.In embodiments of the present invention, a kind of new DCI format is defined, is realized HARQ confirmation message is carried in the DCI, to realize the feedback of HARQ confirmation message.
For above method process, the embodiment of the present invention also provides a kind of base station and a kind of terminal, the base station and terminal Particular content is referred to above method implementation, and details are not described herein.
Fig. 5 is a kind of base station schematic diagram that the embodiment of the present invention three provides, which includes:
Processing module 501, for determining the HARQ confirmation message for needing the uplink data channels fed back to terminal；
Sending module 502 carries the upper line number in the DCI for sending Downlink Control Information DCI to the terminal It is believed that the HARQ confirmation message in road.
Preferably, carrying one or more HARQ confirmation message in the DCI.
Preferably, the DCI for carrying HARQ confirmation message uses the RNTI for being exclusively used in the HARQ confirmation message feedback It is scrambled.
Preferably, the processing module 501 is also used to:
Before sending DCI to the terminal, cyclic redundancy check (CRC) codes are added to the HARQ confirmation message, and make It is scrambled with the RNTI for being exclusively used in the HARQ confirmation message feedback with the CRC code, the HARQ confirmation letter after being scrambled Breath；
Convolutional encoding is carried out to the HARQ confirmation message after scrambling；
Rate-matched is carried out to the HARQ confirmation message after convolutional encoding.
Preferably, the HARQ confirmation message of the uplink data channels in one or more subbands is carried in a DCI, The HARQ confirmation message of uplink data channels in one or more of subbands is a bit sequence, in the bit sequence Bit with distribute to the PRB of terminal there are in corresponding relationship or the bit sequence bit and the PRB that distributes to terminal And there are corresponding relationships by demodulation reference mark cyclic shift DMRS cyclic shift；The subband refers in system bandwidth A Physical Resource Block PRB set；
The processing module 501 is specifically used for:
Determine the corresponding bit of HARQ confirmation message for needing to feed back to the terminal described according to the corresponding relationship Position in bit sequence.
Preferably, the HARQ confirmation message of the uplink data channels in a subband is carried in a DCI, it is entrained HARQ confirmation message is N number of bit, and the HARQ confirmation message of the corresponding PRB of a bit, N is the PRB number in a subband Amount；
The processing module 501 is specifically used for:
Determine the corresponding bit of HARQ confirmation message for needing to feed back to the terminal in the N according to above-mentioned formula (1) Position in a bit.
Preferably, the HARQ confirmation message of the uplink data channels in a subband is carried in a DCI, it is entrained HARQ confirmation message is N × D bit, and N is the PRB quantity in a subband, and D is demodulation reference mark cyclic shift DMRS The possible value sum of cyclic shift；
The processing module 501 is specifically used for:
The HARQ confirmation message pair for needing to feed back to the terminal is determined according to above-mentioned formula (2-1) or formula (2-2) Position of the bit answered in the N × D bit.
Preferably, the HARQ confirmation message of the uplink data channels in M subband is carried in a DCI, it is entrained HARQ confirmation message be N × M bit, N is the PRB quantity in subband；
The processing module 501 is specifically used for:
The HARQ confirmation message pair for needing to feed back to the terminal is determined according to above-mentioned formula (3-1) or formula (3-2) Position of the bit answered in the N × M bit.
Preferably, the HARQ confirmation message of the uplink data channels in M subband is carried in a DCI, it is entrained HARQ confirmation message be N × D × M bit, N is the PRB quantity in subband, and D is DMRS cyclic shift possibility Value sum；
The processing module 501 is specifically used for:
According to above-mentioned formula (4-1) either formula (4-2) either formula (4-3) either formula (4-4) or formula (4-5) Or formula (4-6) determines the corresponding bit of HARQ confirmation message for needing to feed back to the terminal in the N × D × M ratio Position in spy.
Preferably, the DCI is transmitted in public search space.
Preferably, the DCI is sent by Physical Downlink Control Channel, the Physical Downlink Control Channel is in data area Transmission.
Fig. 6 is a kind of terminal schematic diagram that the embodiment of the present invention four provides, which includes:
Receiving module 601, for receiving the Downlink Control Information DCI of network equipment transmission；
Processing module 602, for obtaining the HARQ confirmation message of the uplink data channels carried in the DCI.
Preferably, carrying one or more HARQ confirmation message in the DCI.
Preferably, the HARQ confirmation message for the uplink data channels that the processing module 602 carries in obtaining the DCI During, using be exclusively used in the RNTI of HARQ confirmation message feedback to the HARQ confirmation message carried in the DCI into Row descrambling.
Preferably, the processing module 602 is also used to:
The data that the end-on receives carry out solution rate-matched, the HARQ confirmation message after obtaining solution rate-matched；
The terminal is decoded the HARQ confirmation message after solution rate-matched；
The terminal using be exclusively used in the RNTI of the HARQ confirmation message feedback to decoded HARQ confirmation message into Row descrambling.
Preferably, the HARQ confirmation message of the uplink data channels in one or more subbands is carried in a DCI, The HARQ confirmation message of uplink data channels in one or more of subbands is a bit sequence, in the bit sequence Bit with distribute to the PRB of terminal there are in corresponding relationship or the bit sequence bit and the PRB that distributes to terminal And there are corresponding relationships by demodulation reference mark cyclic shift DMRS cyclic shift；The subband refers in system bandwidth A Physical Resource Block PRB set；
The processing module 602 is specifically used for:
Determine the corresponding bit of HARQ confirmation message of the terminal in the bit sequence according to the corresponding relationship Position.
Preferably, the HARQ confirmation message of the uplink data channels in a subband is carried in a DCI, it is entrained HARQ confirmation message is N number of bit, and the HARQ confirmation message of the corresponding PRB of a bit, N is the PRB number in a subband Amount；
The processing module 602 is specifically used for:
Determine the corresponding bit of HARQ confirmation message of the terminal in N number of bit according to above-mentioned formula (1) Position.
Preferably, the HARQ confirmation message of the uplink data channels in a subband is carried in a DCI, it is entrained HARQ confirmation message is N × D bit, and N is the PRB quantity in a subband, and D, which is that DMRS cyclic shift is possible, to be taken Value sum；
The processing module 602 is specifically used for:
Determine that the corresponding bit of HARQ confirmation message of the terminal exists according to above-mentioned formula (2-1) or formula (2-2) Position in the N × D bit.
Preferably, the HARQ confirmation message of the uplink data channels in M subband is carried in a DCI, it is entrained HARQ confirmation message be N × M bit, N is the PRB quantity in subband；
The processing module 602 is specifically used for:
Determine that the corresponding bit of HARQ confirmation message of the terminal exists according to above-mentioned formula (3-1) or formula (3-2) Position in the N × M bit.
Preferably, the HARQ confirmation message of the uplink data channels in M subband is carried in a DCI, it is entrained HARQ confirmation message be N × D × M bit, N is the PRB quantity in subband, and D is DMRS cyclic shift possibility Value sum；
The processing module 602 is specifically used for:
According to above-mentioned formula (4-1) either formula (4-2) either formula (4-3) either formula (4-4) or formula (4-5) Or formula (4-6) determines the corresponding bit of HARQ confirmation message for needing to feed back to the terminal in the N × D × M ratio Position in spy.
Preferably, the DCI is transmitted in public search space.
Preferably, the DCI is sent by Physical Downlink Control Channel, the Physical Downlink Control Channel is in data area Transmission.
Fig. 7 is a kind of base station schematic diagram that the embodiment of the present invention five provides, which includes:
Processor 701 executes following process: determining what needs were fed back to terminal for reading the program in memory 703 The HARQ confirmation message of uplink data channels；Downlink Control Information DCI, the DCI are sent to the terminal by transceiver 702 The middle HARQ confirmation message for carrying the uplink data channels；
Transceiver 702, for sending and receiving data under the control of processor 701.
Preferably, carrying one or more HARQ confirmation message in the DCI.
Preferably, the DCI for carrying HARQ confirmation message uses the RNTI for being exclusively used in the HARQ confirmation message feedback It is scrambled.
Preferably, the processor 701 is also used to:
Before sending DCI to the terminal, cyclic redundancy check (CRC) codes are added to the HARQ confirmation message, and make It is scrambled with the RNTI for being exclusively used in the HARQ confirmation message feedback with the CRC code, the HARQ confirmation letter after being scrambled Breath；
Convolutional encoding is carried out to the HARQ confirmation message after scrambling；
Rate-matched is carried out to the HARQ confirmation message after convolutional encoding.
Preferably, the HARQ confirmation message of the uplink data channels in one or more subbands is carried in a DCI, The HARQ confirmation message of uplink data channels in one or more of subbands is a bit sequence, in the bit sequence Bit there are corresponding relationships with the PRB that distributes to terminal；The subband refers to a continuous physics in system bandwidth Resource block PRB subset；
The processor 701 is specifically used for:
According to the terminal distribution to PRB determine and need to feed back to the corresponding bit of HARQ confirmation message of the terminal Position in the bit sequence.
Preferably, the HARQ confirmation message of the uplink data channels in a subband is carried in a DCI, it is entrained HARQ confirmation message is N number of bit, and the HARQ confirmation message of the corresponding PRB of a bit, N is the PRB number in a subband Amount；
The processor 701 is specifically used for:
Determine the corresponding bit of HARQ confirmation message for needing to feed back to the terminal in the N according to above-mentioned formula (1) Position in a bit.
Preferably, the HARQ confirmation message of the uplink data channels in a subband is carried in a DCI, it is entrained HARQ confirmation message is N × D bit, and N is the PRB quantity in a subband, and D is demodulation reference mark cyclic shift DMRS The possible value sum of cyclic shift；
The processor 701 is specifically used for:
The HARQ confirmation message pair for needing to feed back to the terminal is determined according to above-mentioned formula (2-1) or formula (2-2) Position of the bit answered in the N × D bit.
Preferably, the HARQ confirmation message of the uplink data channels in M subband is carried in a DCI, it is entrained HARQ confirmation message be N × M bit, N is the PRB quantity in subband；
The processor 701 is specifically used for:
The HARQ confirmation message pair for needing to feed back to the terminal is determined according to above-mentioned formula (3-1) or formula (3-2) Position of the bit answered in N number of bit.
Preferably, the HARQ confirmation message of the uplink data channels in M subband is carried in a DCI, it is entrained HARQ confirmation message be N × D × M bit, N is the PRB quantity in subband, and D is DMRS cyclic shift possibility Value sum；
The processor 701 is specifically used for:
According to above-mentioned formula (4-1) either formula (4-2) either formula (4-3) either formula (4-4) or formula (4-5) Or formula (4-6) determines the corresponding bit of HARQ confirmation message for needing to feed back to the terminal in the N × D × M ratio Position in spy.
Preferably, the DCI is transmitted in public search space.
Preferably, the DCI is sent by Physical Downlink Control Channel, the Physical Downlink Control Channel is in data area Transmission.
Wherein, in Fig. 7, bus architecture may include the bus and bridge of any number of interconnection, specifically by processor 701 The various circuits for the memory that the one or more processors and memory 703 of representative represent link together.Bus architecture is also Various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like can be linked together, these are all It is it is known in the art, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 702 can To be multiple element, that is, includes transmitter and transceiver, the list for communicating over a transmission medium with various other devices is provided Member.
Processor 701, which is responsible for management bus architecture and common processing, memory 703, can store processor 701 and is holding Used data when row operation.
Fig. 8 is a kind of terminal schematic diagram that the embodiment of the present invention six provides, which includes:
Processor 801 executes following process: receiving net by transceiver 802 for reading the program in memory 803 The Downlink Control Information DCI that network equipment is sent；Obtain the HARQ confirmation message of the uplink data channels carried in the DCI；
Transceiver 802, for sending and receiving data under the control of processor 801.
Preferably, carrying one or more HARQ confirmation message in the DCI.
Preferably, the HARQ confirmation message for the uplink data channels that the processor 801 carries in obtaining the DCI In the process, the HARQ confirmation message carried in the DCI is carried out using the RNTI for being exclusively used in the HARQ confirmation message feedback Descrambling.
Preferably, the processor 801 is also used to:
The data that the end-on receives carry out solution rate-matched, the HARQ confirmation message after obtaining solution rate-matched；
The terminal is decoded the HARQ confirmation message after solution rate-matched；
The terminal using be exclusively used in the RNTI of the HARQ confirmation message feedback to decoded HARQ confirmation message into Row descrambling.
Preferably, the HARQ confirmation message of the uplink data channels in one or more subbands is carried in a DCI, The HARQ confirmation message of uplink data channels in one or more of subbands is a bit sequence, in the bit sequence Bit there are corresponding relationships with the PRB that distributes to terminal；The subband refers to a continuous physics in system bandwidth Resource block PRB subset；
The processor 801 is specifically used for:
According to the terminal distribution to PRB determine the corresponding bit of HARQ confirmation message of the terminal in the bit Position in sequence.
Preferably, the HARQ confirmation message of the uplink data channels in a subband is carried in a DCI, it is entrained HARQ confirmation message is N number of bit, and the HARQ confirmation message of the corresponding PRB of a bit, N is the PRB number in a subband Amount；
The processor 801 is specifically used for:
Determine the corresponding bit of HARQ confirmation message of the terminal in N number of bit according to above-mentioned formula (1) Position.
Preferably, the HARQ confirmation message of the uplink data channels in a subband is carried in a DCI, it is entrained HARQ confirmation message is N × D bit, and N is the PRB quantity in a subband, and D, which is that DMRS cyclic shift is possible, to be taken Value sum；
The processor 801 is specifically used for:
Determine that the corresponding bit of HARQ confirmation message of the terminal exists according to above-mentioned formula (2-1) or formula (2-2) Position in the N × D bit.
Preferably, the HARQ confirmation message of the uplink data channels in M subband is carried in a DCI, it is entrained HARQ confirmation message be N × M bit, N is the PRB quantity in subband；
The processor 801 is specifically used for:
Determine that the corresponding bit of HARQ confirmation message of the terminal exists according to above-mentioned formula (3-1) or formula (3-2) Position in the N × M bit.
Preferably, the HARQ confirmation message of the uplink data channels in M subband is carried in a DCI, it is entrained HARQ confirmation message be N × D × M bit, N is the PRB quantity in subband, and D is DMRS cyclic shift possibility Value sum；
The processor 801 is specifically used for:
According to above-mentioned formula (4-1) either formula (4-2) either formula (4-3) either formula (4-4) or formula (4-5) Or formula (4-6) determines the corresponding bit of HARQ confirmation message for needing to feed back to the terminal in the N × D × M ratio Position in spy.
Preferably, the DCI is transmitted in public search space.
Preferably, the DCI is sent by Physical Downlink Control Channel, the Physical Downlink Control Channel is in data area Transmission.
Wherein, in fig. 8, bus architecture may include the bus and bridge of any number of interconnection, specifically by processor 801 The various circuits for the memory that the one or more processors and memory 803 of representative represent link together.Bus architecture is also Various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like can be linked together, these are all It is it is known in the art, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 802 can To be multiple element, that is, includes transmitter and receiver, the list for communicating over a transmission medium with various other devices is provided Member.For different user equipmenies, user interface 804, which can also be, external the interface for needing equipment is inscribed, and connection is set Standby including but not limited to keypad, display, loudspeaker, microphone, control stick etc..
Processor 801, which is responsible for management bus architecture and common processing, memory 803, can store processor 801 and is holding Used data when row operation.
Known to the above content: the embodiment of the present invention determines that the upstream data for needing to feed back to terminal is believed by the network equipment The HARQ confirmation message in road；The network equipment sends DCI to the terminal, carries the uplink data channels in the DCI HARQ confirmation message.In embodiments of the present invention, a kind of new DCI format is defined, realizes and carries HARQ in the DCI Confirmation message, to realize the feedback of HARQ confirmation message.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method or computer program product. Therefore, complete hardware embodiment, complete software embodiment or embodiment combining software and hardware aspects can be used in the present invention Form.It is deposited moreover, the present invention can be used to can be used in the computer that one or more wherein includes computer usable program code The shape for the computer program product implemented on storage media (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) Formula.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates, Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one The step of function of being specified in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies Within, then the present invention is also intended to include these modifications and variations.

Claims (44)

1. a kind of feedback method of hybrid automatic repeat-request HARQ confirmation message characterized by comprising
The network equipment determines the HARQ confirmation message for needing the uplink data channels fed back to terminal；
The network equipment sends Downlink Control Information DCI to the terminal, carries the uplink data channels in the DCI HARQ confirmation message；The HARQ confirmation message of the uplink data channels in one or more subbands, institute are carried in one DCI The HARQ confirmation message of the uplink data channels in one or more subbands is stated for a bit sequence, in the bit sequence Bit with distribute to the PRB of terminal there are in corresponding relationship or the bit sequence bit and the PRB for distributing to terminal and There are corresponding relationships for demodulation reference mark DMRS cyclic shift；The subband refers to a Physical Resource Block in system bandwidth PRB set.
2. the method as described in claim 1, which is characterized in that carry one or more HARQ confirmation message in the DCI.
3. the method as described in claim 1, which is characterized in that the DCI use for carrying HARQ confirmation message is exclusively used in institute The radio network temporary identifier RNTI for stating HARQ confirmation message feedback is scrambled.
4. the method as described in claim 1, which is characterized in that the network equipment also wraps before sending DCI to the terminal The process encoded to the HARQ confirmation message carried in the DCI is included, the process of the coding includes:
Cyclic redundancy check (CRC) codes are added to the HARQ confirmation message, and use is exclusively used in the HARQ confirmation message feedback RNTI scrambled with the CRC code, the HARQ confirmation message after being scrambled；
Convolutional encoding is carried out to the HARQ confirmation message after scrambling；
Rate-matched is carried out to the HARQ confirmation message after convolutional encoding.
5. the method as described in claim 1, which is characterized in that when the network equipment sends the DCI, according to the correspondence Relationship determines position of the corresponding bit of HARQ confirmation message for needing to feed back to the terminal in the bit sequence.
6. method as claimed in claim 5, which is characterized in that carry the uplink data channels in a subband in a DCI HARQ confirmation message, entrained HARQ confirmation message is N number of bit, the HARQ confirmation letter of the corresponding PRB of bit Breath, N are the PRB quantity in a subband；
When the network equipment sends the DCI, the HARQ confirmation letter for needing to feed back to the terminal is determined according to the following formula Cease position of the corresponding bit in N number of bit:
Wherein, i indicates location index of the HARQ confirmation message of the terminal in N number of bit,To distribute to The number of the PRB of the terminal, value range 0,1 ..., N-1.
7. method as claimed in claim 5, which is characterized in that carry the uplink data channels in a subband in a DCI HARQ confirmation message, entrained HARQ confirmation message is N × D bit, and N is the PRB quantity in subband, and D is The possible value sum of DMRS cyclic shift；
When the network equipment sends the DCI, the HARQ confirmation letter for needing to feed back to the terminal is determined according to the following formula Cease position of the corresponding bit in the N × D bit:
Alternatively,
Wherein, i indicates location index of the HARQ confirmation message of the terminal in the N × D bit,To divide The number of the PRB of terminal described in dispensing, value range 0,1 ..., N-1, nDMRSFor the number of DMRS cyclic shift, value model Enclose is 0,1 ..., D-1.
8. method as claimed in claim 5, which is characterized in that carry the upstream data letter in M subband in a DCI The HARQ confirmation message in road, entrained HARQ confirmation message are N × M bit, and N is the PRB quantity in a subband；
When the network equipment sends the DCI, the HARQ confirmation letter for needing to feed back to the terminal is determined according to the following formula Cease position of the corresponding bit in the N × M bit:
Alternatively,
Wherein, i indicates that location index of the HARQ confirmation message of the terminal in the N × M bit, m are subband number, Value range is 0,1 ..., M-1,For distribute to the terminal PRB number, value range 0,1 ..., N-1.
9. method as claimed in claim 5, which is characterized in that carry the upstream data letter in M subband in a DCI The HARQ confirmation message in road, entrained HARQ confirmation message are N × D × M bit, and N is the PRB quantity in a subband, D For the possible value sum of DMRS cyclic shift；
When the network equipment sends the DCI, the HARQ confirmation letter for needing to feed back to the terminal is determined according to the following formula Cease position of the corresponding bit in the N × D × M bit:
Alternatively,
Alternatively,
Alternatively,
Alternatively,
Alternatively,
Wherein, i indicates that location index of the HARQ confirmation message of the terminal in the N × D × M bit, m are subband volume Number, value range 0,1 ..., M-1,For distribute to the terminal PRB number, value range 0,1 ..., N-1, nDMRSFor the number of DMRS cyclic shift, value range 0,1 ..., D-1.
10. method as claimed in any one of claims 1-9 wherein, which is characterized in that the DCI is passed in public search space It is defeated.
11. method as claimed in claim 10, which is characterized in that the DCI is sent by Physical Downlink Control Channel, described Physical Downlink Control Channel is transmitted in data area.
12. a kind of feedback method of hybrid automatic repeat-request HARQ confirmation message characterized by comprising
Terminal receives the Downlink Control Information DCI that the network equipment is sent；
The terminal obtains the HARQ confirmation message of the uplink data channels carried in the DCI；
Wherein, the HARQ confirmation message of the uplink data channels in a DCI in the one or more subbands of carrying, described one The HARQ confirmation message of uplink data channels in a or multiple subbands is a bit sequence, the bit in the bit sequence With distribute to the PRB of terminal there are in corresponding relationship or the bit sequence bit and PRB and the demodulation of distributing to terminal There are corresponding relationships for reference character D MRS cyclic shift；The subband refers to a Physical Resource Block PRB in system bandwidth Set.
13. method as claimed in claim 12, which is characterized in that carry one or more HARQ confirmation message in the DCI.
14. method as claimed in claim 12, which is characterized in that the terminal obtains the upstream data carried in the DCI During the HARQ confirmation message of channel, using being exclusively used in the RNTI of HARQ confirmation message feedback to taking in the DCI The HARQ confirmation message of band is descrambled.
15. method as claimed in claim 12, which is characterized in that the terminal obtains the uplink carried in the DCI The HARQ confirmation message of data channel, comprising:
The data that the end-on receives carry out solution rate-matched, the HARQ confirmation message after obtaining solution rate-matched；
The terminal is decoded the HARQ confirmation message after solution rate-matched；
The terminal solves decoded HARQ confirmation message using the RNTI for being exclusively used in the HARQ confirmation message feedback It disturbs.
16. method as claimed in claim 12, which is characterized in that when the terminal receives the DCI, according to the corresponding pass System determines position of the corresponding bit of HARQ confirmation message of the terminal in the bit sequence.
17. the method described in claim 16, which is characterized in that carry the upstream data letter in a subband in a DCI The HARQ confirmation message in road, entrained HARQ confirmation message are N number of bit, the HARQ confirmation of the corresponding PRB of a bit Information, N are the PRB quantity in a subband；
When the terminal receives the DCI, determine that the corresponding bit of HARQ confirmation message of the terminal exists according to the following formula Position in N number of bit:
Wherein, i indicates location index of the HARQ confirmation message of the terminal in N number of bit,To distribute to The number of the PRB of the terminal, value range 0,1 ..., N-1.
18. the method described in claim 16, which is characterized in that carry the upstream data letter in a subband in a DCI The HARQ confirmation message in road, entrained HARQ confirmation message are N × D bit, and N is the PRB quantity in a subband, and D is The possible value sum of DMRS cyclic shift；
When the terminal receives the DCI, determine that the corresponding bit of HARQ confirmation message of the terminal exists according to the following formula Position in the N × D bit:
Alternatively,Wherein, i indicates the HARQ confirmation message of the terminal in the N × D bit In location index,For distribute to the terminal PRB number, value range 0,1 ..., N-1, nDMRSFor The number of DMRS cyclic shift, value range 0,1 ..., D-1.
19. the method described in claim 16, which is characterized in that carry the upstream data in M subband in a DCI The HARQ confirmation message of channel, entrained HARQ confirmation message are N × M bit, and N is the PRB quantity in a subband；
When the terminal receives the DCI, determine that the corresponding bit of HARQ confirmation message of the terminal exists according to the following formula Position in the N × M bit:
Alternatively,
Wherein, i indicates that location index of the HARQ confirmation message of the terminal in the N × M bit, m are subband number, Value range is 0,1 ..., M-1,For distribute to the terminal PRB number, value range 0,1 ..., N-1.
20. the method described in claim 16, which is characterized in that carry the upstream data in M subband in a DCI The HARQ confirmation message of channel, entrained HARQ confirmation message are N × D × M bit, and N is the PRB number in a subband Amount, D are the possible value sum of DMRS cyclic shift；
When the terminal receives the DCI, determine that the corresponding bit of HARQ confirmation message of the terminal exists according to the following formula Position in the N × D × M bit:
Alternatively,
Alternatively,
Alternatively,
Alternatively,
Alternatively,
Wherein, i indicates that location index of the HARQ confirmation message of the terminal in the N × D × M bit, m are subband volume Number, value range 0,1 ..., M-1,For distribute to the terminal PRB number, value range 0,1 ..., N-1, nDMRSFor the number of DMRS cyclic shift, value range 0,1 ..., D-1.
21. the method as described in any one of claim 12 to 20, which is characterized in that the DCI is in public search space Transmission.
22. method as claimed in claim 21, which is characterized in that the DCI is sent by Physical Downlink Control Channel, described Physical Downlink Control Channel is transmitted in data area.
23. a kind of base station characterized by comprising
Processing module, for determining the HARQ confirmation message for needing the uplink data channels fed back to terminal；
Sending module carries the uplink data channels in the DCI for sending Downlink Control Information DCI to the terminal HARQ confirmation message；The HARQ confirmation message of the uplink data channels in one or more subbands is carried in one DCI, The HARQ confirmation message of uplink data channels in one or more of subbands is a bit sequence, in the bit sequence Bit with distribute to the PRB of terminal there are in corresponding relationship or the bit sequence bit and the PRB that distributes to terminal And there are corresponding relationships for demodulation reference mark DMRS cyclic shift；The subband refers to a physical resource in system bandwidth Block PRB set.
24. base station as claimed in claim 23, which is characterized in that carry one or more HARQ confirmation message in the DCI.
25. base station as claimed in claim 23, which is characterized in that the DCI use for carrying HARQ confirmation message is exclusively used in The RNTI of the HARQ confirmation message feedback is scrambled.
26. base station as claimed in claim 23, which is characterized in that the processing module is also used to:
Before sending DCI to the terminal, cyclic redundancy check (CRC) codes are added to the HARQ confirmation message, and using special RNTI for HARQ confirmation message feedback is scrambled with the CRC code, the HARQ confirmation message after being scrambled；
Convolutional encoding is carried out to the HARQ confirmation message after scrambling；
Rate-matched is carried out to the HARQ confirmation message after convolutional encoding.
27. base station as claimed in claim 23, which is characterized in that the processing module is specifically used for:
Determine the corresponding bit of HARQ confirmation message for needing to feed back to the terminal in the bit according to the corresponding relationship Position in sequence.
28. base station as claimed in claim 27, which is characterized in that carry the upstream data letter in a subband in a DCI The HARQ confirmation message in road, entrained HARQ confirmation message are N number of bit, the HARQ confirmation of the corresponding PRB of a bit Information, N are the PRB quantity in a subband；
The processing module is specifically used for:
Determine the corresponding bit of HARQ confirmation message for needing to feed back to the terminal in N number of bit according to the following formula Position:
Wherein, i indicates location index of the HARQ confirmation message of the terminal in N number of bit,To distribute to The number of the PRB of the terminal, value range 0,1 ..., N-1.
29. base station as claimed in claim 27, which is characterized in that carry the upstream data letter in a subband in a DCI The HARQ confirmation message in road, entrained HARQ confirmation message are N × D bit, and N is the PRB quantity in a subband, and D is The possible value sum of demodulation reference mark DMRS cyclic shift；
The processing module is specifically used for:
Determine that the corresponding bit of HARQ confirmation message for needing to feed back to the terminal compares at described N × D according to the following formula Position in spy:
Alternatively,
Wherein, i indicates location index of the HARQ confirmation message of the terminal in the N × D bit,To divide The number of the PRB of terminal described in dispensing, value range 0,1 ..., N-1, nDMRSFor the number of DMRS cyclic shift, value model Enclose is 0,1 ..., D-1.
30. base station as claimed in claim 27, which is characterized in that carry the upstream data in M subband in a DCI The HARQ confirmation message of channel, entrained HARQ confirmation message are N × M bit, and N is the PRB quantity in a subband；
The processing module is specifically used for:
Determine that the corresponding bit of HARQ confirmation message for needing to feed back to the terminal compares at described N × M according to the following formula Position in spy:
Alternatively,
Wherein, i indicates that location index of the HARQ confirmation message of the terminal in the N × M bit, m are subband number, Value range is 0,1 ..., M-1,For distribute to the terminal PRB number, value range 0,1 ..., N-1.
31. base station as claimed in claim 27, which is characterized in that carry the upstream data in M subband in a DCI The HARQ confirmation message of channel, entrained HARQ confirmation message are N × D × M bit, and N is the PRB number in a subband Amount, D are the possible value sum of DMRS cyclic shift；
The processing module is specifically used for:
Determine the corresponding bit of HARQ confirmation message for needing to feed back to the terminal at the N × D × M according to the following formula Position in bit:
Alternatively,
Alternatively,
Alternatively,
Alternatively,
Alternatively,
Wherein, i indicates that location index of the HARQ confirmation message of the terminal in the N × D × M bit, m are subband volume Number, value range 0,1 ..., M-1,For distribute to the terminal PRB number, value range 0,1 ..., N-1, nDMRSFor the number of DMRS cyclic shift, value range 0,1 ..., D-1.
32. the base station as described in any one of claim 23 to 31, which is characterized in that the DCI is in public search space Transmission.
33. base station as claimed in claim 32, which is characterized in that the DCI is sent by Physical Downlink Control Channel, described Physical Downlink Control Channel is transmitted in data area.
34. a kind of terminal characterized by comprising
Receiving module, for receiving the Downlink Control Information DCI of network equipment transmission；
Processing module, for obtaining the HARQ confirmation message of the uplink data channels carried in the DCI；
Wherein, the HARQ confirmation message of the uplink data channels in a DCI in the one or more subbands of carrying, described one The HARQ confirmation message of uplink data channels in a or multiple subbands is a bit sequence, the bit in the bit sequence With distribute to the PRB of terminal there are in corresponding relationship or the bit sequence bit and PRB and the demodulation of distributing to terminal There are corresponding relationships for reference character D MRS cyclic shift；The subband refers to a Physical Resource Block PRB in system bandwidth Set.
35. terminal as claimed in claim 34, which is characterized in that carry one or more HARQ confirmation message in the DCI.
36. terminal as claimed in claim 34, which is characterized in that the terminal obtains the upstream data carried in the DCI During the HARQ confirmation message of channel, using being exclusively used in the RNTI of HARQ confirmation message feedback to taking in the DCI The HARQ confirmation message of band is descrambled.
37. terminal as claimed in claim 34, which is characterized in that the processing module is also used to:
The data that the end-on receives carry out solution rate-matched, the HARQ confirmation message after obtaining solution rate-matched；
The terminal is decoded the HARQ confirmation message after solution rate-matched；
The terminal solves decoded HARQ confirmation message using the RNTI for being exclusively used in the HARQ confirmation message feedback It disturbs.
38. terminal as claimed in claim 34, which is characterized in that the processing module is specifically used for:
Position of the corresponding bit of HARQ confirmation message of the terminal in the bit sequence is determined according to the corresponding relationship It sets.
39. terminal as claimed in claim 38, which is characterized in that carry the upstream data letter in a subband in a DCI The HARQ confirmation message in road, entrained HARQ confirmation message are N number of bit, the HARQ confirmation of the corresponding PRB of a bit Information, N are the PRB quantity in a subband；
The processing module is specifically used for:
Position of the corresponding bit of HARQ confirmation message of the terminal in N number of bit is determined according to the following formula:
Wherein, i indicates location index of the HARQ confirmation message of the terminal in N number of bit,To distribute to The number of the PRB of the terminal, value range 0,1 ..., N-1.
40. terminal as claimed in claim 38, which is characterized in that carry the upstream data letter in a subband in a DCI The HARQ confirmation message in road, entrained HARQ confirmation message are N × D bit, and N is the PRB quantity in a subband, and D is The possible value sum of DMRS cyclic shift；
The processing module is specifically used for:
Position of the corresponding bit of HARQ confirmation message of the terminal in the N × D bit is determined according to the following formula:
Alternatively,
Wherein, i indicates location index of the HARQ confirmation message of the terminal in the N × D bit,To divide The number of the PRB of terminal described in dispensing, value range 0,1 ..., N-1, nDMRSFor the number of DMRS cyclic shift, value model Enclose is 0,1 ..., D-1.
41. terminal as claimed in claim 38, which is characterized in that carry the upstream data in M subband in a DCI The HARQ confirmation message of channel, entrained HARQ confirmation message are N × M bit, and N is the PRB quantity in a subband；
The processing module is specifically used for:
Position of the corresponding bit of HARQ confirmation message of the terminal in the N × M bit is determined according to the following formula:
Alternatively,
Wherein, i indicates that location index of the HARQ confirmation message of the terminal in the N × M bit, m are subband number, Value range is 0,1 ..., M-1,For distribute to the terminal PRB number, value range 0,1 ..., N-1.
42. terminal as claimed in claim 38, which is characterized in that carry the upstream data in M subband in a DCI The HARQ confirmation message of channel, entrained HARQ confirmation message are N × D × M bit, and N is the PRB number in a subband Amount, D are the possible value sum of DMRS cyclic shift；
The processing module is specifically used for:
Position of the corresponding bit of HARQ confirmation message of the terminal in the N × D × M bit is determined according to the following formula It sets:
Alternatively,
Alternatively,
Alternatively,
Alternatively,
Alternatively,
Wherein, i indicates that location index of the HARQ confirmation message of the terminal in the N × D × M bit, m are subband volume Number, value range 0,1 ..., M-1,For distribute to the terminal PRB number, value range 0,1 ..., N-1, nDMRSFor the number of DMRS cyclic shift, value range 0,1 ..., D-1.
43. the terminal as described in any one of claim 34 to 42, which is characterized in that the DCI is in public search space Transmission.
44. terminal as claimed in claim 43, which is characterized in that the DCI is sent by Physical Downlink Control Channel, described Physical Downlink Control Channel is transmitted in data area.
CN201410637897.9A 2014-11-06 2014-11-06 A kind of feedback method and device of HARQ confirmation message Active CN105634689B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201410637897.9A CN105634689B (en) 2014-11-06 2014-11-06 A kind of feedback method and device of HARQ confirmation message
PCT/CN2015/093689 WO2016070790A1 (en) 2014-11-06 2015-11-03 Harq acknowledgement information feedback method and device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410637897.9A CN105634689B (en) 2014-11-06 2014-11-06 A kind of feedback method and device of HARQ confirmation message

Publications (2)

Publication Number Publication Date
CN105634689A CN105634689A (en) 2016-06-01
CN105634689B true CN105634689B (en) 2019-02-05

Family

ID=55908584

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410637897.9A Active CN105634689B (en) 2014-11-06 2014-11-06 A kind of feedback method and device of HARQ confirmation message

Country Status (2)

Country Link
CN (1) CN105634689B (en)
WO (1) WO2016070790A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200374086A1 (en) * 2016-07-29 2020-11-26 Guangdong Oppo Mobile Telecommunications Corp., Ltd. ACK/NACK Information Feedback Method, Terminal Device and Network Side Device
US11050516B2 (en) 2017-01-05 2021-06-29 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method, network device and terminal device for transmitting feedback information
EP3614597B1 (en) * 2017-05-05 2021-08-25 Huawei Technologies Co., Ltd. Data feedback method and related device
CN109121212B (en) * 2017-06-24 2021-06-08 华为技术有限公司 Data transmission method, data transmission feedback method and related equipment
CN110999155B (en) 2017-08-10 2021-07-09 中兴通讯股份有限公司 Method and apparatus for transmitting and receiving control information in wireless communication
WO2019028833A1 (en) * 2017-08-11 2019-02-14 华为技术有限公司 Data transmission method and device
WO2019028917A1 (en) * 2017-08-11 2019-02-14 华为技术有限公司 Uplink data feedback method and apparatus
EP3734880B1 (en) 2017-12-28 2022-11-16 Beijing Xiaomi Mobile Software Co., Ltd. Method and device for transmitting hybrid automatic repeat request information
CN109075923B (en) * 2018-07-25 2022-01-25 北京小米移动软件有限公司 Method, terminal and base station for transmitting HARQ feedback information
US11962414B2 (en) 2018-08-08 2024-04-16 Beijing Xiaomi Mobile Software Co., Ltd. Method and apparatus for transmitting HARQ feedback information, base station and terminal
WO2020087531A1 (en) * 2018-11-02 2020-05-07 富士通株式会社 Method and apparatus for sending and receiving sidelink information
CN111585730B (en) * 2019-02-15 2021-10-15 华为技术有限公司 Transmission method and communication device
CN110557228B (en) * 2019-08-16 2022-01-18 中国信息通信研究院 HARQ feedback method for uplink data, terminal equipment and network equipment
CN114600401A (en) * 2019-11-19 2022-06-07 Oppo广东移动通信有限公司 Method for DFI transmission in NR-U

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103178942A (en) * 2011-12-21 2013-06-26 华为技术有限公司 Signaling transport method, base station and user equipment
WO2013112017A1 (en) * 2012-01-26 2013-08-01 Samsung Electronics Co., Ltd. Method and apparatus for scheduling communication for low capability devices

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011102697A2 (en) * 2010-02-22 2011-08-25 엘지전자 주식회사 Method and apparatus for performing a hybrid automatic repeat request process for an uplink multi-codeword transmission in a wireless communication system which supports a multi-antenna transmission

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103178942A (en) * 2011-12-21 2013-06-26 华为技术有限公司 Signaling transport method, base station and user equipment
WO2013112017A1 (en) * 2012-01-26 2013-08-01 Samsung Electronics Co., Ltd. Method and apparatus for scheduling communication for low capability devices

Also Published As

Publication number Publication date
WO2016070790A1 (en) 2016-05-12
CN105634689A (en) 2016-06-01

Similar Documents

Publication Publication Date Title
CN105634689B (en) A kind of feedback method and device of HARQ confirmation message
US11212036B2 (en) Data communication method, device, and system
CN103841603B (en) The method and apparatus of ascending grouping scheduling
KR102251634B1 (en) Base station apparatus, terminal apparatus, wireless communication system, and communication method
CN102892084B (en) Trunking service processing method, device, base station and user equipment
CN104065605B (en) Communication means and device on a kind of new wave-carring type carrier wave
CN107343297A (en) A kind of method and apparatus in radio communication
ES2927236T3 (en) Data mapping method and apparatus in a wireless communication system
CN107846707B (en) Method and device in grant-free UE and base station
CN106685614B (en) A kind of transmission method and equipment indicating information
CN105766044A (en) Terminal device, base-station device, integrated circuit, and communication method
CN105379391A (en) Terminal, base station, and communication method
CN107872298A (en) Exempt from method, the network equipment and the terminal device of authorized transmissions
EP3676984B1 (en) Method and apparatus for mapping uplink control information in wireless communication system
KR20200050838A (en) A method and apparatus for sidelink signal transmission and reception in a wirelss communication system
CN105981461A (en) Terminal device, integrated circuit, and wireless communication method
WO2017211219A1 (en) Signal transmission method, signal decoding method, base station, and user terminal
CN107295702A (en) A kind of method and apparatus of arrowband cellular communication
CN109391355A (en) Method, chip and the system of wireless communication
CN105594274B (en) Data transmission method and device
CN110149701B (en) Uplink information transmission method and device
CN106656440B (en) A kind of method and apparatus in narrowband wireless communication
CN107343316A (en) A kind of method and apparatus in UE and base station in radio communication
CN104378178B (en) A kind of transmission method and equipment of confirmation message
CN106506111A (en) A kind of reference signal design method and apparatus in radio communication

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 100191 No. 40, Haidian District, Beijing, Xueyuan Road

Patentee after: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY

Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road

Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20210602

Address after: 100085 1st floor, building 1, yard 5, Shangdi East Road, Haidian District, Beijing

Patentee after: DATANG MOBILE COMMUNICATIONS EQUIPMENT Co.,Ltd.

Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road

Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY