WO2018028063A1 - Procédé, dispositif et terminal, et support d'informations servant à la transmission d'informations de commande liaison montante - Google Patents

Procédé, dispositif et terminal, et support d'informations servant à la transmission d'informations de commande liaison montante Download PDF

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Publication number
WO2018028063A1
WO2018028063A1 PCT/CN2016/104795 CN2016104795W WO2018028063A1 WO 2018028063 A1 WO2018028063 A1 WO 2018028063A1 CN 2016104795 W CN2016104795 W CN 2016104795W WO 2018028063 A1 WO2018028063 A1 WO 2018028063A1
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WIPO (PCT)
Prior art keywords
downlink
information
harq
subframe
subframes
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PCT/CN2016/104795
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English (en)
Chinese (zh)
Inventor
杨维维
戴博
方惠英
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中兴通讯股份有限公司
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Priority claimed from CN201610876662.4A external-priority patent/CN107733587A/zh
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2018028063A1 publication Critical patent/WO2018028063A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate

Definitions

  • the present invention relates to the field of wireless communications, and in particular, to a method, an apparatus, a terminal, and a storage medium for transmitting uplink control information.
  • Machine Type Communication also known as Machine to Machine (M2M)
  • MTC Machine Type Communication
  • M2M Machine to Machine
  • GSM Global System of Mobile
  • LTE Long Term Evolution
  • LTE-A Long Term Evolution-A
  • MTC multi-class data services based on LTE/LTE-A will also be more attractive.
  • the User Equipment In order to support the application of the higher data rate MTC, the User Equipment (UE) needs to support new functions; for example, the Half-Duplex-Frequency Division Duplex UE (HD-FDD UE) needs to support the hybrid automatic repeat request ( Hybrid Automatic Repeat reQuest (HARQ)-ACK (Acknowledgement) binding, and there is no method for how the HD-FDD UE performs HARQ-ACK binding in the prior art, so that the UE cannot support the application of the higher data rate MTC.
  • the Hybrid Automatic Repeat reQuest (HARQ)-ACK (Acknowledgement) binding Hybrid Automatic Repeat reQuest (HARQ)-ACK (Acknowledgement) binding
  • C-IOT Comb-Internet Of Things
  • 3GPP 3rd Generation Partnership Project
  • TR45.820V200 Global The system for Mobile Communication
  • GSM Global The system for Mobile Communication
  • GSM Global The system for Mobile Communication
  • GSM Global The system for Mobile Communication
  • the NB-IoT system needs to support two uplink and downlink HARQ processes.
  • the prior art does not provide a HARQ-ACK transmission method when the NB-IoT system supports two DL HARQ processes, thereby failing to support two downlink HARQ processes.
  • the embodiments of the present invention provide a method, a device, a terminal, and a storage medium for transmitting uplink control information, which can enable the HD-FDD UE to support HARQ-ACK binding, thereby enabling the UE to support the UE.
  • High data rate MTC applications can enable the HD-FDD UE to support HARQ-ACK binding, thereby enabling the UE to support the UE.
  • An embodiment of the present invention provides a method for sending uplink control information, where the method includes:
  • the terminal receives downlink information in the S1 downlink subframes from the downlink subframe whose subframe index is n 0 ; and according to the timing information of the downlink information and the corresponding hybrid automatic repeat request HARQ-acknowledgment ACK response information, in the S2 uplink subframes Sending HARQ-ACK response information corresponding to the downlink information on the frame;
  • Q i is the number of subframes corresponding to the transmission of the i-th HARQ-ACK response information.
  • the subframe whose subframe index is n 0 is: a preset subframe or a subframe indicated by signaling.
  • the timing relationship between the downlink information and the corresponding HARQ-ACK response information includes: a timing relationship between the S1 downlink subframes and the uplink subframes corresponding to the HARQ-ACK response information determined according to the predefined rules.
  • the value of S1 is a preset value, or the value of S1 is equal to the maximum number of downlink processes, or the value of S1 is a value configured by signaling.
  • the method further includes: determining, according to the location of the last subframe corresponding to the downlink information in the S1 subframes, and the determined timing relationship, the HARQ-ACK response information corresponding to the downlink information in S2 The position in the uplink subframe.
  • the timing relationship between the downlink information and the corresponding HARQ-ACK response information includes: between the N downlink information in the S1 downlink subframes and the uplink subframe in which the corresponding HARQ-ACK response information is located according to the predefined rule.
  • Timing relationship; P j is the number of subframes corresponding to the transmission of the jth downlink information, and the value of N is a preset value, or the value of N is equal to the maximum number of downlink processes, or the value of N is a value configured by signaling.
  • the method further includes: determining, according to a location of each downlink information in the N downlink information, and the determined timing relationship, a location of the corresponding HARQ-ACK response information in the S2 uplink subframes.
  • the timing relationship between the downlink information and the corresponding HARQ-ACK response information includes: determining the number of downlink information included in the S1 downlink subframes according to the value of S1 and the number of downlink subframes occupied by the downlink information transmission.
  • G Determine, according to a predefined rule, a timing relationship between the G downlink information and the uplink subframe where the corresponding HARQ-ACK response information is located, where the value of S1 is a preset value or a value indicated by the signaling.
  • the method further includes: determining, according to a location of each downlink information in the G downlink information, and the determined timing relationship, a location of the corresponding HARQ-ACK response information in the S2 subframes.
  • the downlink control information (DCI) corresponding to the downlink information includes the first control domain information; and the first control domain information is a newly added downlink allocation indication in the DCI (Downlink Assignment) Indicator, DAI), wherein the DAI field is used to indicate at least one of the following:
  • the downlink information is located in the last X of the S1 downlink subframes, the end position of the S1 downlink subframes, and the offset of the downlink information with respect to the end position of the S1 downlink subframes,
  • the DAI field is used to indicate whether the downlink information is located in the last X of the S1 downlink subframes, and the method further includes:
  • the terminal When the terminal determines that the downlink information is the last X of the S1 downlink subframes, the terminal sends the HARQ-ACK response information corresponding to the S1 downlink subframes according to a predefined rule, according to the DAI domain corresponding to the last X downlink information that is received. Or the HARQ-ACK response information corresponding to the downlink information in the S1 downlink subframes; otherwise, the HARQ-ACK response information corresponding to the S1 downlink subframes or the downlink information corresponding to the S1 downlink subframes are not sent. HARQ-ACK response information.
  • the method when the DAI domain is used to indicate the end position of the S1 downlink subframes, the method further includes:
  • the HARQ-ACK response information corresponding to the S1 downlink subframes is sent according to a predefined rule.
  • the method further includes:
  • the terminal determining, by the terminal, that the downlink information is not offset from the end position of the S1 downlink subframes according to the received DAI field corresponding to the last downlink information, and transmitting, by using a predefined rule, the HARQ-ACK corresponding to the S1 downlink subframes.
  • the DAI domain includes a first sub-control domain and a second sub-control domain, where the first sub-control domain is used to indicate the number of downlink information in the S1 downlink subframes, and the second sub-control domain is used.
  • the number of downlink information that has been accumulated until the current downlink information is indicated, the method also includes:
  • the terminal determines the number of downlink information in the S1 downlink subframes and the position of each downlink information in the S1 downlink subframes according to the received DAI domains, and sends the S1 according to a predefined rule.
  • the DAI domain includes a third sub-control domain and a fourth sub-control domain, where the third sub-control domain is used to indicate the number of downlink information that has been accumulated up to the current downlink information, and the fourth sub-control domain is used. And indicating a binding window where the downlink information is located; the method further includes:
  • the terminal determines, according to all the received third sub-control fields, whether the discontinuous transmission DTX has occurred. If the result of the first determination is that the DTX has occurred, the HARQ-ACK response corresponding to the S1 downlink subframes is not sent. The information or the HARQ-ACK response information corresponding to the downlink information in the S1 downlink subframes; if the result of the first determination is that the DTX does not occur, the terminal determines, according to the received fourth sub-control domain, whether the second occurrence occurs.
  • the HARQ-ACK response information corresponding to the S1 downlink subframes or the HARQ-ACK response information corresponding to the downlink information in the S1 downlink subframes is not sent;
  • the result of the second determination is that the DQ is not generated, and the HARQ-ACK response information corresponding to the S1 downlink subframes or the HARQ-ACK response information corresponding to the downlink information in the S1 downlink subframes are sent according to a predefined rule. .
  • the predefined rule is at least one of the following: a first rule, a second rule, where the first rule is: the last subframe corresponding to the downlink subframe/the downlink information, and the HARQ- The number of the interval subframes between the first subframes corresponding to the ACK response information meets the minimum value of the preset value L; the second rule is: the number of HARQ-ACK response information on any two uplink subframes. The difference is less than or equal to the preset value F;
  • the predefined rule is: the HARQ-ACK response information corresponding to the downlink information in the S1 downlink subframes or the S1 downlink subframes is sent on the subframe n s +f, and n s is the S1 downlink subframes. a subframe index of the last subframe in the frame or a subframe index corresponding to the last subframe of the last downlink information, where f is a preset value or a value indicated by the signaling;
  • the method further includes: dividing the downlink information in the S1 downlink subframes or the S1 downlink subframes into Y binding windows, where Y is greater than or equal to 1, and correspondingly, the predefined rules are: The HARQ-ACK response information corresponding to the binding window y is sent on the subframe n s +fy; wherein, the binding window y is the last y+1 binding window in the S1 downlink subframes, and each binding window is The number of downlink subframes or downlink information included does not exceed 4, 0 ⁇ y ⁇ Y-1.
  • the value of M is a preset value, or the value of M is determined according to S1 and the preset value K, or the value of M is determined according to the number of downlink information and the preset value K included in the downlink subframe of the S1.
  • the terminal determines the manner of sending the HARQ-ACK response information according to the signaling and/or the transmission rule, and the terminal sends the HARQ-ACK information according to the determined sending manner.
  • An embodiment of the present invention further provides an apparatus for transmitting uplink control information, where the apparatus includes a receiving module and a sending module, where
  • the receiving module is configured to receive downlink information in the S1 downlink subframes from a downlink subframe whose subframe index is n 0 ;
  • the sending module is configured to send the HARQ-ACK response information corresponding to the downlink information in the S2 uplink subframes according to the timing relationship between the downlink information and the corresponding hybrid automatic repeat request (HARQ-acknowledgment ACK response information), where Q i is the number of subframes corresponding to the transmission of the i-th HARQ-ACK response information.
  • HARQ-acknowledgment ACK response information HARQ-acknowledgment ACK response information
  • the subframe whose subframe index is n 0 is: a preset subframe or a subframe indicated by signaling.
  • the timing relationship between the downlink information and the corresponding HARQ-ACK response information includes: the S1 downlink subframes and corresponding HARQ-ACK responses determined according to a predefined rule.
  • the sending module is further configured to determine, according to the location of the last subframe corresponding to the downlink information in the S1 subframes, and the determined timing relationship, the HARQ-ACK response information corresponding to the downlink information is The position in S2 uplink subframes.
  • the timing relationship between the downlink information and the corresponding HARQ-ACK response information includes: between the N downlink information in the S1 downlink subframes and the uplink subframe in which the corresponding HARQ-ACK response information is located according to the predefined rule.
  • Timing relationship; P j is the number of subframes corresponding to the transmission of the jth downlink information, and the value of N is a preset value, or the value of N is equal to the maximum number of downlink processes, or the value of N is a value configured by signaling.
  • the sending module is further configured to determine, according to the location of each downlink information in the N downlink information, and the determined timing relationship, the location of the corresponding HARQ-ACK response information in the S2 uplink subframes. .
  • the receiving module is further configured to receive downlink control information DCI corresponding to the downlink information, where the DCI includes first control domain information; and the first control domain information is newly added in the DCI.
  • the downlink assignment indicates a DAI domain, wherein the DAI domain is used to indicate at least one of the following:
  • the downlink information is located in the last X of the S1 downlink subframes, the end position of the S1 downlink subframes, and the offset of the downlink information with respect to the end position of the S1 downlink subframes,
  • the receiving module is further configured to send the value of the received DAI domain to the sending module;
  • the sending module is further configured to: according to the DAI domain corresponding to the last X downlink information received And determining that the downlink information is the last X of the S1 downlink subframes, and transmitting the HARQ-ACK response information corresponding to the S1 downlink subframes or the downlink information and the corresponding information in the S1 downlink subframes according to a predefined rule.
  • the HARQ-ACK response information is not transmitted; otherwise, the HARQ-ACK response information corresponding to the S1 downlink subframes or the HARQ-ACK response information corresponding to the downlink information in the S1 downlink subframes are not transmitted.
  • the receiving module is further configured to send the value of the received DAI domain to the sending module;
  • the sending module is further configured to: when the location of the last downlink information received is the same as the end position of the S1 downlink subframes indicated by the DAI domain, send the corresponding S1 downlink subframes according to a predefined rule.
  • the receiving module is further configured to send the value of the received DAI domain to the sending module;
  • the sending module is further configured to: when the downlink information is not offset from the end position of the S1 downlink subframes, according to the value of the DAI field corresponding to the received last downlink information, send the S1 according to a predefined rule.
  • the HARQ-ACK response information corresponding to the downlink information in the S1 downlink subframes is described.
  • the DAI domain includes a first sub-control domain and a second sub-control domain, where the first sub-control domain is used to indicate the number of downlink information in the S1 downlink subframes, and the second sub-control domain is used. The number of downlink information that has been accumulated until the current downlink information is indicated;
  • the receiving module is further configured to send the value of the received DAI domain to the sending module;
  • the sending module is further configured to determine, according to all received DAI domains, the number of downlink information in the S1 downlink subframes and the location of each downlink information in the S1 downlink subframes, and according to the predefined The rule sends the HARQ-ACK response information corresponding to the S1 downlink subframes or the HARQ-ACK response information corresponding to the downlink information in the S1 downlink subframes.
  • the DAI domain includes a third sub-control domain and a fourth sub-control domain, where the third sub-control domain is used to indicate the number of downlink information that has been accumulated up to the current downlink information, and the fourth sub-control domain is used. And a binding window indicating that the downlink information is located;
  • the receiving module is further configured to send the value of the received DAI domain to the sending module;
  • the sending module is further configured to determine, according to all the received third sub-control domains, whether the discontinuous transmission DTX has occurred, and when the first judgment result is that DTX occurs, the S1 downlink sub-s The HARQ-ACK response information corresponding to the frame or the HARQ-ACK response information corresponding to the downlink information in the S1 downlink subframes; when the first judgment result is that no DTX occurs, according to the received fourth sub-control domain Determining whether DTX occurs or not, and not transmitting the HARQ-ACK response information corresponding to the S1 downlink subframes or the HARQ- corresponding to the downlink information in the S1 downlink subframes when the result of the second determination is that the DTX is generated.
  • the HARQ-ACK response information corresponding to the S1 downlink subframes or the downlink information corresponding to the S1 downlink subframes are corresponding according to a predefined rule. HARQ-ACK response information.
  • the predefined rule is at least one of the following: a first rule, a second rule, where the first rule is: the last subframe corresponding to the downlink subframe/the downlink information, and the HARQ- The number of the interval subframes between the first subframes corresponding to the ACK response information meets the minimum value of the preset value L; the second rule is: the number of HARQ-ACK response information on any two uplink subframes. The difference is less than or equal to the preset value F;
  • the predefined rule is: the HARQ-ACK response information corresponding to the downlink information in the S1 downlink subframe or the S1 downlink subframe is sent in the subframe ns+f, and the ns is the S1 downlink. a subframe index of the last subframe in the subframe or a subframe index corresponding to the last subframe of the last downlink information, where f is a preset value or a value indicated by the signaling;
  • the device further includes a dividing module, where the dividing module is further configured to divide the downlink information in the S1 downlink subframes or the S1 downlink subframes into Y binding windows, where Y is greater than or equal to 1, corresponding to
  • the pre-defined rule is that the HARQ-ACK response information corresponding to the binding window y is sent on the subframe ns+fy; wherein the binding window y is the last y+1th binding in the S1 downlink subframes.
  • the window is fixed, and the number of downlink subframes or downlink information included in each binding window does not exceed 4, 0 ⁇ y ⁇ Y-1.
  • the value of M is a preset value, or the value of M is determined according to S1 and the preset value K, or the value of M is determined according to the number of downlink information and the preset value K included in the downlink subframe of the S1.
  • the sending module is further configured to determine a manner of sending the HARQ-ACK response information according to the signaling and/or the transmission rule, and the terminal sends the HARQ-ACK information according to the determined sending manner.
  • the embodiment of the present invention further provides a terminal, where the terminal includes any one of the foregoing uplink control information sending devices.
  • the embodiment of the present invention further provides a storage medium, where the storage medium stores a computer program, and the computer program is configured to perform the sending of the uplink control information.
  • the terminal receives downlink information in S1 downlink subframes from a downlink subframe whose subframe index is n 0 ; according to the downlink
  • the information and the timing relationship of the hybrid automatic repeat request HARQ-acknowledgment ACK response information, and the HARQ-ACK response information corresponding to the downlink information is sent on the S2 uplink subframes;
  • Q i is the number of repetitions corresponding to the transmission of the i-th HARQ-ACK information; thus, the HD-FDD UE can support the HARQ-ACK binding, thereby enabling the UE to support the application of the higher data rate MTC.
  • the terminal determines the manner in which the HARQ-ACK response information is sent according to the signaling and/or the transmission rule, and the terminal sends the HARQ-ACK information according to the determined sending manner; thus, the NB-IoT UE can support two HARQ processes, and thus Further reduce power consumption and delay, and increase transmission rate.
  • FIG. 1 is a flowchart of a method for transmitting uplink control information according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram 1 of a correspondence between HARQ-ACK response information and a downlink subframe transmitted in an uplink subframe according to an embodiment of the present invention
  • 3 is a second schematic diagram of correspondence between HARQ-ACK response information and downlink subframes in an uplink subframe according to an embodiment of the present disclosure
  • FIG. 4 is a third schematic diagram of correspondence between HARQ-ACK response information and downlink subframes in an uplink subframe according to an embodiment of the present invention
  • FIG. 5 is a schematic diagram 4 of correspondence between HARQ-ACK response information and downlink subframes in an uplink subframe according to an embodiment of the present invention
  • FIG. 6 is a schematic diagram 5 of a correspondence between HARQ-ACK response information and a downlink subframe transmitted in an uplink subframe according to an embodiment of the present disclosure
  • FIG. 7 is a schematic diagram 6 of a correspondence between HARQ-ACK response information and a downlink subframe transmitted in an uplink subframe according to an embodiment of the present disclosure
  • FIG. 8 is a schematic diagram 7 of a correspondence between HARQ-ACK response information and a downlink subframe transmitted in an uplink subframe according to an embodiment of the present disclosure
  • FIG. 9 is a first schematic diagram of a correspondence between a value of a DAI field and a downlink subframe transmitted by a base station to a terminal according to an embodiment of the present invention.
  • FIG. 10 is a second schematic diagram of a correspondence between a value of a DAI field and a downlink subframe sent by a base station to a terminal according to an embodiment of the present invention
  • FIG. 11 is a diagram of a value of a DAI field and a pair of downlink subframes sent by a base station to a terminal according to an embodiment of the present invention. Should be related to diagram three;
  • FIG. 12 is a fourth schematic diagram of a correspondence between a value of a DAI field and a downlink subframe transmitted by a base station to a terminal according to an embodiment of the present invention
  • FIG. 13 is a schematic diagram 5 of a correspondence between a value of a DAI domain and a downlink subframe transmitted by a base station to a terminal according to an embodiment of the present disclosure
  • FIG. 14 is a schematic diagram 6 of a correspondence between a value of a DAI field and a downlink subframe transmitted by a base station to a terminal according to an embodiment of the present invention
  • FIG. 15 is a schematic diagram 7 of a correspondence between a value of a DAI field and a downlink subframe transmitted by a base station to a terminal according to an embodiment of the present invention
  • 16 is a schematic diagram 8 of a correspondence between a value of a DAI field and a downlink subframe sent by a base station to a terminal according to an embodiment of the present invention
  • FIG. 17 is a schematic diagram nin of a correspondence between a value of a DAI field and a downlink subframe transmitted by a base station to a terminal according to an embodiment of the present invention
  • FIG. 18 is a schematic diagram 10 showing a correspondence between a value of a DAI field and a downlink subframe transmitted by a base station to a terminal according to an embodiment of the present disclosure
  • FIG. 19 is a schematic diagram showing a correspondence between a value of a DAI field and a downlink subframe transmitted by a base station to a terminal according to an embodiment of the present invention
  • 20 is a schematic diagram showing a correspondence between a value of a DAI field and a downlink subframe transmitted by a base station to a terminal according to an embodiment of the present invention
  • 21 is a schematic diagram 1 of a binding binding window according to an embodiment of the present invention.
  • FIG. 22 is a schematic diagram 2 of a binding binding window according to an embodiment of the present invention.
  • FIG. 23 is a schematic diagram 3 of dividing a binding window according to an embodiment of the present invention.
  • 24 is a flowchart of a method for a terminal to send HARQ-ACK response information according to an embodiment of the present invention
  • FIG. 25 is a schematic structural diagram of a device for transmitting uplink control information according to an embodiment of the present invention.
  • FIG. 1 is a flowchart of a method for transmitting uplink control information according to an embodiment of the present invention. As shown in FIG.
  • Step 101 The terminal receives downlink information in S1 downlink subframes from a downlink subframe whose subframe index is n 0 , where S1 is a positive integer greater than zero.
  • the terminal may be a half-duplex type B terminal.
  • the terminal is an HD-FDD UE.
  • the subframe whose subframe index is n 0 may be: a preset subframe or a subframe indicated by signaling.
  • the downlink information here may be a Physical Downlink Shared Channel (PDSCH) corresponding to a MSCH Physical Downlink Control Channel (MPDCCH), a PDSCH not corresponding to the MPDCCH, or a downlink semi-persistent scheduling. (Semi-Persistent Scheduling, SPS) released MPDCCH, NB-IoT system Narrowband Physical Downlink Shared Channel (Narrowband Physical Downlink Shared Channel) and so on.
  • PDSCH Physical Downlink Shared Channel
  • MPDCCH Physical Downlink Control Channel
  • SPS Service-Persistent Scheduling
  • Step 102 The terminal sends the HARQ-ACK response information corresponding to the downlink information in the S2 uplink subframes according to the timing relationship between the downlink information and the corresponding hybrid automatic repeat request HARQ-acknowledgment ACK response information.
  • the S2 uplink subframes described above may be consecutive uplink subframes.
  • Q i is the number of subframes corresponding to the transmission of the i-th HARQ-ACK response information, and Q i is obtained according to the configured repetition number;
  • the downlink information is a physical downlink shared channel PDSCH corresponding to the MPDCCH, a PDSCH not corresponding to the MPDCCH, or Indicates the MPDCCH released by the downlink SPS.
  • the value of M is a preset value, or the value of M is determined according to S1 and the preset value K, or the value of M is determined according to the number of downlink information X and the preset value K included in the downlink subframe of the S1.
  • M ceil(X/K), where ceil represents rounding up, and X represents the number of downlink information included in the S1 downlink subframe.
  • K is equal to 4, or K is the value of the signaling configuration.
  • the timing relationship between the downlink information and the corresponding HARQ-ACK response information is determined by a predefined rule, where the predefined rule is at least one of the following: a first rule, a second rule, and the first rule
  • the number of the interval subframes between the last subframe corresponding to the downlink subframe and the first subframe corresponding to the HARQ-ACK response information is greater than a minimum value of the preset value L, that is, The number of the interval subframes between the last subframe corresponding to the downlink information and the first subframe corresponding to the HARQ-ACK response information is L, for example, L is equal to 3;
  • the second rule is: any two uplinks
  • the difference between the number of HARQ-ACK response information on the subframe is less than or equal to a preset value F.
  • the preset value F may be 2, 3, or 4.
  • the number of interval subframes between the last subframe corresponding to the downlink information and the first subframe corresponding to the HARQ-ACK response information may be determined by signaling.
  • the signaling is signaling in the DCI.
  • the number of HARQ-ACK response information in each uplink subframe is determined according to the number of interval subframes indicated by the signaling.
  • the HARQ-ACK response information may be acknowledgement (ACK) information, non-acknowledgement (NACK) information, or discontinuous transmission (DTX) information, and the like.
  • ACK acknowledgement
  • NACK non-acknowledgement
  • DTX discontinuous transmission
  • the first embodiment of the method for transmitting the uplink control information of the present invention can enable the UE to support HARQ-ACK binding, thereby enabling the UE to support the application of the MTC with a higher data rate.
  • the timing relationship between the downlink information and the corresponding HARQ-ACK response information is that the timing between the S1 downlink subframes and the uplink subframes corresponding to the HARQ-ACK response information is determined according to a predefined rule.
  • the relationship is obtained, assuming that the maximum number of downlink processes is 10, the value of S1 is equal to the maximum number of downlink processes, the preset value K is equal to 4, the preset value L is equal to 3, and the subframe whose subframe index is n 0 is a fixed subframe; When the radio frame index is even, n 0 is equal to 0.
  • n 0 is equal to 5
  • the terminal receives downlink data information on the downlink subframe 0 to the downlink subframe 9 of the radio frame 0, wherein the downlink data information occupies 1 subframe; the terminal is in the uplink subframe 1 of the radio frame 1
  • the corresponding HARQ-ACK response information is sent on the subframe 2 and the uplink subframe 3.
  • the terminal is a terminal of the half duplex type B, so the subframe 0 of the radio frame 1 and the subframe 4 of the radio frame 1 are used for the uplink and downlink. Switch.
  • the timing relationship between the S1 downlink subframes and the uplink subframes in which the corresponding HARQ-ACK response information is located is determined according to the predefined rule: the HARQ-ACK response information corresponding to the downlink subframe of the subframe index n 0 is in the sub-frame.
  • the frame index is transmitted on an uplink subframe of n 0 +11; the HARQ-ACK response information corresponding to the downlink subframe of the subframe index n 1 is transmitted on an uplink subframe with a subframe index of n 1 +10; the subframe index n 2 downlink sub-frame corresponding to the HARQ-ACK response information is transmitted on the uplink subframe n + 9 2 in the subframe index; subframe index n 3 of the downlink sub-frame corresponding to the HARQ-ACK response information in a subframe index n
  • the uplink subframe of 3 + 8 is transmitted; the HARQ-ACK response information corresponding to the downlink subframe of the subframe index n 4 is transmitted on the uplink subframe with the subframe index n 4 + 8; the downlink subframe of the subframe index n 5
  • the HARQ-ACK response information corresponding to the frame is transmitted on the uplink subframe with the subframe index of n 5 +7; the HARQ-ACK response information corresponding to
  • the terminal after receiving the downlink information in the downlink subframe 0, the downlink subframe 1, the downlink subframe 2, and the downlink subframe 3 of the radio frame 0, the terminal transmits the corresponding HARQ on the uplink subframe 1 of the radio frame 1.
  • - ACK response information after receiving the downlink information in the downlink subframe 4, the downlink subframe 5, and the downlink subframe 6 of the radio frame 0, the terminal transmits the corresponding HARQ-ACK response information on the uplink subframe 2 of the radio frame 1;
  • the downlink information is received on the downlink subframe 7, the downlink subframe 8, and the downlink subframe 9 of the radio frame 0, and the corresponding HARQ-ACK response information is transmitted on the uplink subframe 3 of the radio frame 1.
  • the terminal transmits HARQ-ACK response information on the uplink subframe 1, the uplink subframe 2, and the uplink subframe 3 of the radio frame 1.
  • the terminal receives downlink information on the downlink subframe 0 to the downlink subframe 9 of the radio frame 0, and the terminal transmits corresponding information on the uplink subframe 1, the uplink subframe 2, and the uplink subframe 3 of the radio frame 1.
  • HARQ-ACK response information here, the terminal is a half-duplex type B terminal, so the subframe 0 of the radio frame 1 and the subframe 4 of the radio frame 1 are used for uplink and downlink handover.
  • the timing relationship between the S1 downlink subframes and the uplink subframes in which the corresponding HARQ-ACK response information is located is determined according to the predefined rule: the HARQ-ACK response information corresponding to the downlink subframe of the subframe index n 0 is in the sub-frame.
  • the frame index is transmitted on an uplink subframe of n 0 +11; the HARQ-ACK response information corresponding to the downlink subframe of the subframe index n 1 is transmitted on an uplink subframe with a subframe index of n 1 +10; the subframe index n 2 downlink sub-frame corresponding to the HARQ-ACK response information is transmitted on the uplink subframe n + 9 2 in the subframe index; subframe index n 3 of the downlink sub-frame corresponding to the HARQ-ACK response information in a subframe index n
  • the uplink subframe of 3 + 8 is transmitted; the HARQ-ACK response information corresponding to the downlink subframe of the subframe index n 4 is transmitted on the uplink subframe with the subframe index n 4 + 8; the downlink subframe of the subframe index n 5
  • the HARQ-ACK response information corresponding to the frame is transmitted on the uplink subframe with the subframe index of n 5 +7; the HARQ-ACK response information corresponding to
  • the terminal after receiving the downlink information in the downlink frame 0, the downlink subframe 1, the downlink subframe 2, and the downlink subframe 3 of the radio frame 0, the terminal transmits the corresponding HARQ in the uplink subframe 1 of the radio frame 1.
  • ACK response information after receiving the downlink information in the downlink subframe 4, the downlink subframe 5, the downlink subframe 6 and the downlink subframe 7 of the radio frame 0, the terminal transmits the corresponding HARQ-ACK on the uplink subframe 2 of the radio frame 1
  • Response information The terminal receives the downlink information on the downlink subframe 8 and the downlink subframe 9 of the radio frame 0, and transmits the corresponding HARQ-ACK response information on the uplink subframe 3 of the radio frame 1.
  • the terminal transmits HARQ-ACK response information on the uplink subframe 1, the uplink subframe 2, and the uplink subframe 3 of the radio frame 1.
  • the terminal receives the downlink information on the downlink subframe 0 to the downlink subframe 9 of the radio frame 0, and the terminal transmits the corresponding information on the uplink subframe 1, the uplink subframe 2, and the uplink subframe 3 of the radio frame 1.
  • HARQ-ACK response information here, the terminal is a half-duplex type B terminal, so the subframe 0 of the radio frame 1 and the subframe 4 of the radio frame 1 are used for uplink and downlink handover.
  • the timing relationship between the S1 downlink subframes and the uplink subframes in which the corresponding HARQ-ACK response information is located is determined according to the predefined rule: the HARQ-ACK response information corresponding to the downlink subframe of the subframe index n 0 is in the sub-frame.
  • the frame index is transmitted on the uplink subframe of n 0 +11; the HARQ-ACK response information corresponding to the downlink subframe of the subframe index n 1 is sent on the uplink subframe with the subframe index n 1 +10; the subframe index n 2 downlink sub-frame corresponding to the HARQ-ACK response information is transmitted on the uplink subframe n + 9 2 in the subframe index; subframe index n 3 of the downlink sub-frame corresponding to the HARQ-ACK response information in a subframe index n transmitting the uplink subframe 3 +9; downlink subframe index n corresponding to the sub-frame 4 of the HARQ-ACK response information is transmitted on the uplink subframe n +8 4 in subframe index; downlink sub-subframe index n 5
  • the HARQ-ACK response information corresponding to the frame is transmitted on the uplink subframe with the subframe index of n 5 +7; the HARQ-ACK response information corresponding to the downlink subframe of the subframe
  • the terminal after receiving the downlink information in the downlink frame 0, the downlink subframe 1 and the downlink subframe 2 of the radio frame 0, the terminal transmits the corresponding HARQ-ACK response information on the uplink subframe 1 of the radio frame 1; After receiving the downlink information in the downlink subframe 3, the downlink subframe 4, and the downlink subframe 5 of the radio frame 0, the corresponding HARQ-ACK response information is transmitted on the uplink subframe 2 of the radio frame 1; the terminal is in the downlink of the radio frame 0.
  • the downlink information is received on the subframe 6, the downlink subframe 7, the downlink subframe 8, and the downlink subframe 9, and the corresponding HARQ-ACK response information is transmitted on the uplink subframe 3 of the radio frame 1.
  • the terminal transmits HARQ-ACK response information on the uplink subframe 1, the uplink subframe 2, and the uplink subframe 3 of the radio frame 1.
  • the terminal receives downlink data information on the downlink subframe 0 to the downlink subframe 9 of the radio frame 0, where each downlink data information occupies 2 subframes; the terminal is in the uplink subframe 1 of the radio frame 1 Transmitting the corresponding HARQ-ACK response information on the uplink subframe 2 and the uplink subframe 3; here, the terminal is a terminal of the half duplex type B, so the subframe 0 of the radio frame 1 and the subframe 4 of the radio frame 1 are used. Up and down switching.
  • the timing relationship between the S1 downlink subframes and the uplink subframes corresponding to the HARQ-ACK response information may be determined according to the specific embodiment 1, and the location of the last subframe corresponding to the downlink information in the S1 downlink subframes is determined.
  • the uplink subframe in which the HARQ-ACK response information is located may be determined according to the specific embodiment 1, and the location of the last subframe corresponding to the downlink information in the S1 downlink subframes is determined.
  • the terminal transmits HARQ-ACK response information on the uplink subframe 1, the uplink subframe 2, and the uplink subframe 3 of the radio frame 1.
  • the timing relationship between the downlink information and the corresponding HARQ-ACK response information is that the downlink information of the N downlink information and the corresponding HARQ-ACK response information in the S1 downlink subframes are determined according to a predefined rule.
  • the timing relationship between frames is obtained. Assume that the maximum number of downlink processes is 10, and assume that the number of subframes occupied by downlink information transmission is 2, and the value of N is equal to 10 of the maximum number of downlink processes.
  • the terminal receives the downlink information on the downlink subframe 0 to the downlink subframe 9 of the radio frame 0 and the downlink subframe 0 to the downlink subframe 9 of the radio frame 1 and receives the downlink information, and in the radio frame 2
  • the corresponding HARQ-ACK response information is sent on the uplink subframe 1, the uplink subframe 2, and the uplink subframe 3.
  • the subframe 0 of the radio frame 2 and the subframe 4 of the radio frame 2 are used for uplink and downlink handover.
  • the terminal may determine a timing relationship between the N downlink information and the uplink subframe in which the corresponding HARQ-ACK response information is located according to the predefined rule; specifically, the terminal receives the downlink information of the downlink process 1 and ends the downlink information.
  • the terminal receives the downlink information of the downlink process 2 and the end subframe of the downlink information
  • the terminal receives the downlink information of the downlink process 3 and the subframe index of the end subframe of the downlink information is
  • k 2 the corresponding HARQ-ACK response information is sent in the uplink subframe with the subframe index of k 2 +16;
  • the terminal receives the downlink information of the downlink process 4 and the subframe index of the end subframe of the downlink information is k 3 , Transmitting the corresponding HARQ-ACK response information in the uplink subframe with the subframe index of k 3 +14; when the terminal receives the downlink information of
  • the terminal transmits HARQ-ACK response information on the uplink subframe 1, the uplink subframe 2, and the uplink subframe 3 of the radio frame 2.
  • the downlink information and the corresponding HARQ-ACK response information are assumed.
  • the timing relationship is obtained according to a predefined rule to determine a timing relationship between the G downlink information in the S1 downlink subframes and the uplink subframe in which the corresponding HARQ-ACK response information is located, and the value of G is based on the value of S1 and each downlink information.
  • the number of downlink subframes occupied by the transmission is determined.
  • the terminal receives downlink data information on the downlink frame 0 to the downlink subframe 9 of the radio frame 0 and the radio frame 1, wherein the downlink data information occupies 2 subframes; the terminal is in the uplink subframe of the radio frame 2 Frame 1, uplink subframe 2, and uplink subframe 3 transmit corresponding HARQ-ACK response information; here, the terminal is a half duplex type B terminal, so subframe 0 of radio frame 1 and subframe 4 of radio frame 1 Used for uplink and downlink switching.
  • the timing relationship between the G downlink information and the uplink subframe in which the corresponding HARQ-ACK response information is located may be determined according to a predefined rule. Specifically, the terminal receives the downlink information of the downlink process 1 and the end subframe of the downlink information.
  • the sub-frame index is k 0 , and the corresponding HARQ-ACK response information is sent on the uplink subframe with the subframe index of k 0 +18;
  • the terminal receives the downlink information of the downlink process 2, and the subframe index of the end subframe of the downlink information is k 1 , transmitting corresponding HARQ-ACK response information in an uplink subframe with a subframe index of k 1 +16;
  • the terminal receives downlink information of the downlink process 3, and the subframe index of the end subframe of the downlink information is k 2 , in the sub
  • the uplink subframe with the frame index of k 2 +14 transmits the corresponding HARQ-ACK response information;
  • the terminal receives the downlink information of the downlink process 4, the subframe index of the end subframe of the downlink information is k 3 , and the subframe index is k 3
  • the uplink subframe of +13 transmits the corresponding HARQ-ACK response information;
  • the terminal receives
  • the terminal transmits HARQ-ACK response information on the uplink subframe 1, the uplink subframe 2, and the uplink subframe 3 of the radio frame 2.
  • the terminal receives downlink data information on the downlink frame 0 to the downlink subframe 9 of the radio frame 0 and the radio frame 1, wherein the downlink data information occupies 2 subframes; the terminal is in the uplink subframe of the radio frame 2
  • the corresponding HARQ-ACK response information is sent on the frame 1.
  • the terminal is a half-duplex type B terminal, so the subframe 0 of the radio frame 1 and the subframe 2 of the radio frame 1 are used for uplink and downlink handover.
  • the timing relationship between the G downlink information and the uplink subframe in which the corresponding HARQ-ACK response information is located may be determined according to a predefined rule. Specifically, the terminal receives the downlink information of the downlink process 1 and the end subframe of the downlink information.
  • the sub-frame index is k 0 , and the corresponding HARQ-ACK response information is sent on the uplink subframe with the subframe index of k 0 +18;
  • the terminal receives the downlink information of the downlink process 2, and the subframe index of the end subframe of the downlink information is k 1 , transmitting the corresponding HARQ-ACK response information in the uplink subframe with the subframe index of k 1 +14;
  • the terminal receives the downlink information of the downlink process 3, and the subframe index of the end subframe of the downlink information is k 2 , in the sub
  • the uplink subframe with the frame index of k 2 +10 transmits the corresponding HARQ-ACK response information;
  • the terminal receives the downlink information of the downlink process 4, the subframe index of the end subframe of the downlink information is k 3 , and the subframe index is k 3
  • the uplink subframe of +6 transmits the corresponding HARQ-ACK response information;
  • the terminal receive
  • the terminal transmits HARQ-ACK response information in the uplink subframe 1 of the radio frame 2.
  • the terminal after receiving the downlink information in the S1 subframes, the terminal obtains the HARQ-ACK actually transmitted according to any one of the following manners, mode 2, or mode 3, after the subframes with the subframe index of n 0 are received.
  • the information may be obtained by selecting different manners according to the coverage level of the terminal. For example, when the number of HARQ-ACK transmission repetitions of the terminal is 1, one of mode 2 or mode 3 is selected. When the number of HARQ-ACK transmission repetitions corresponding to the terminal is greater than 1, the mode 1 is selected, where
  • the first method is: XORing the HARQ-ACK response information of one or more downlink information corresponding to each uplink subframe to obtain HARQ-ACK information sent on each uplink subframe.
  • the second method is: counting the number of ACK information in the HARQ-ACK response information of one or more downlink information corresponding to each uplink subframe, based on the number of ACK information that is counted, and the preset ACK information. Correspondence between the number and the HARQ-ACK information to be sent System, determining HARQ-ACK information sent on each uplink subframe;
  • the third mode is: performing HARQ-ACK response information of one or more downlink information corresponding to each uplink subframe according to a downlink allocation indication DAI from low to high, and performing statistically sorted HARQ-ACK response information.
  • the distribution information of the ACK information is determined based on the distribution information of the ACK information and the correspondence between the distribution information of the ACK information and the HARQ-ACK information to be transmitted, and the HARQ-ACK transmitted on each uplink subframe is determined.
  • Information; the distribution information of the ACK information includes: the number of ACK information, and the number of consecutive R ACK information starting from the first ACK information.
  • the downlink control information corresponding to the downlink data includes the downlink allocation indication DAI, the meaning of the DAI, and the prior art. The same, no longer repeat here.
  • the terminal may determine, by using the resource configuration signaling, a Physical Uplink Control Channel (PUCCH) resource used for transmitting the HARQ-ACK response information, or may also use the resource configuration signaling and the enhanced control channel unit corresponding to the MPDCCH (Enhanced Control)
  • the channel element (ECCE) index implicitly obtains the PUCCH resource used when transmitting the HARQ-ACK response information;
  • the resource configuration signaling here may be high layer signaling, and may also include signaling in the high layer signaling and downlink control information.
  • the first mode, the second mode, and the third mode are respectively exemplified by three specific embodiments.
  • the HARQ-ACK response information sent on each uplink subframe is obtained.
  • the terminal is in the downlink subframe 0, the downlink subframe 1, the downlink subframe 2, and the downlink subframe of the radio frame 0.
  • the frame 3 After receiving the downlink information, the frame 3 performs XOR of the HARQ-ACK response information corresponding to the downlink subframe 0, the downlink subframe 1, the downlink subframe 2, and the downlink subframe 3 of the radio frame 0, to obtain 1-bit HARQ-ACK information.
  • the obtained 1-bit HARQ-ACK information is the uplink of the radio frame 1 HARQ-ACK information transmitted on subframe 1.
  • the PUCCH resource used for transmitting the HARQ-ACK information may be obtained by using the ECCE index implicit mapping and signaling corresponding to the MPDCCH corresponding to the last downlink information received by the terminal, specifically:
  • the PUCCH resource is obtained by using the following formula:
  • the PUCCH resource is obtained by using the following formula:
  • q is the number of the first ECCE allocated by the corresponding DCI in the MPDCCH-PRB-set q
  • ECCE is the number in one RB
  • m is the number of the downlink corresponding to the uplink sub-frame information
  • ⁇ ARO DCI is obtained by the HARQ-ACK resources offset field, It is equal to the number of ECCEs corresponding to MPDCCH-PRB-set q.
  • the PUCCH resource used for transmitting the HARQ-ACK response information may be determined by using the high layer signaling.
  • the base station configures, by using the high layer signaling, four PUCCH resources, the PUCCH resource and the downlink information.
  • the downlink subframes are corresponding to each other.
  • the PUCCH resource 1 corresponds to the downlink information of the downlink subframe 0 of the radio frame
  • the PUCCH resource 2 corresponds to the downlink information of the downlink subframe 1 of the radio frame
  • the PUCCH resource 3 corresponds to the downlink subframe 2 of the radio frame.
  • the downlink information, the PUCCH resource 4 corresponds to the downlink information of the downlink subframe 3 of the radio frame 0, and the PUCCH resource used by the terminal to transmit the HARQ-ACK response information is the PUCCH resource corresponding to the last downlink information received by the terminal.
  • the method for obtaining HARQ-ACK information and the corresponding PUCCH resource allocation mechanism of the uplink subframe 2 of the radio frame 1 are the same as the uplink subframe 1 of the radio subframe 1, and the HARQ-ACK information transmitted by the uplink subframe 3 of the radio frame 1 is
  • the obtaining method and the corresponding PUCCH resource allocation mechanism are the same as the uplink subframe 1 of the radio subframe 1, and are not described here.
  • the HARQ-ACK response information sent on each uplink subframe is obtained.
  • the terminal is in the downlink subframe 0, the downlink subframe 1, the downlink subframe 2, and the downlink subframe of the radio frame 0.
  • the frame 3 counts the number of ACK information in the HARQ-ACK response information corresponding to the downlink subframe 0, the downlink subframe 1, the downlink subframe 2, and the downlink subframe 3, and obtains the transmitted HARQ-ACK according to Table 1. information.
  • the PUCCH resource used when transmitting the HARQ-ACK response information can be obtained through high layer signaling.
  • the method for obtaining HARQ-ACK information and the corresponding PUCCH resource allocation mechanism of the uplink subframe 2 of the radio frame 1 are the same as the uplink subframe 1 of the radio subframe 1, and the HARQ- transmitted by the uplink subframe 3 of the radio frame 1
  • the method for obtaining the ACK information and the corresponding PUCCH resource allocation mechanism are the same as the uplink subframe 1 of the radio subframe 1, and are not described here.
  • HARQ-ACK response information sent on each uplink subframe according to mode 3 exemplary Referring to FIG. 2, after receiving the downlink information in the downlink subframe 0, the downlink subframe 1, the downlink subframe 2, and the downlink subframe 3 of the radio frame 0, the terminal performs HARQ for each downlink information corresponding to each uplink subframe.
  • the ACK response information is ordered from low to high according to the corresponding downlink allocation indication DAI, and is obtained as HARQ-ACK (0), HARQ-ACK (1), HARQ-ACK (2), and HARQ-ACK (3), respectively.
  • the transmitted HARQ-ACK information is then determined according to Table 2.
  • any represents any HARQ-ACK response information, for example, any may represent ACK information, NACK information, or DTX information.
  • the PUCCH resource used for transmitting the HARQ-ACK response information may be configured by using resource configuration signaling, where the resource configuration information includes signaling in the high layer signaling and the downlink control information; specifically, the high layer signaling configuration
  • the q resources indicate the specific used resources through the signaling in the downlink control information; the resource overhead of the DCI depends on the size of the q.
  • the method for obtaining HARQ-ACK information and the corresponding PUCCH resource allocation mechanism sent by the uplink subframe 2 of the radio frame 1 are the same as the uplink subframe 1 of the radio subframe 1, and the radio frame 1 is received.
  • the method for obtaining the HARQ-ACK information and the corresponding PUCCH resource allocation mechanism are the same as the uplink subframe 1 of the radio subframe 1, and are not described here.
  • the base station can communicate with the terminal through the FDD system, and the terminal is a half-duplex FDD terminal; the base station can send the downlink information and the DCI corresponding to the downlink information to the terminal, where the base station increases the scheduling of the transmitted DCI.
  • the base station increases the scheduling of the transmitted DCI.
  • the base station adds a DAI (Downlink Assignment Indicator) field to the DCI, and the DAI field is used to indicate whether the downlink information is located in the last one of the S1 downlink subframes, that is, the DAI domain is used.
  • DAI Downlink Assignment Indicator
  • the base station transmits MPDCCH on subframe 0, subframe 1, subframe 2, subframe 3, and subframe 4, respectively, in subframe 2, subframe 3, subframe 4, subframe 5, and subframe 6.
  • the corresponding PDSCH is transmitted separately, and the number of repetitions of the MPDCCH and the corresponding PDSCH transmission is 1; the meaning of the DAI domain is as shown in Table 3.
  • the value of the DAI field in the DCI received by the terminal is as shown in FIG. 9.
  • the terminal receives the MPDCCH with the DAI field value of 1 on the subframe 4, the terminal determines that the PDSCH corresponding to the received MPDCCH is the last PDSCH. And transmitting, according to the preset timing relationship, the corresponding HARQ-ACK response information on the next radio frame subframe 0.
  • the preset timing relationship is: when receiving the PDSCH corresponding to the last MPDCCH in the subframe n, in the sub-frame
  • the corresponding HARQ-ACK response information is sent on the frame n+4; the specifically transmitted HARQ-ACK information is determined through Table 4. It should be noted that Table 4 only gives an example, and the present invention does not exclude other HARQ-ACK information and ACK number combination method;
  • the value of the DAI field received by the terminal is as shown in FIG. 10.
  • the meaning of the DAI field can be explained with reference to Table 3.
  • the terminal receives the MPDCCH with the value of 0 in the DAI field on the subframe 0, the subframe 1, the subframe 2, and the subframe 3, and the terminal does not detect the MPDCCH in the subsequent N1 subframes, where the terminal can determine the transmission.
  • DTX occurs when the downlink information is generated.
  • the UE does not send the corresponding HARQ-ACK response information;
  • N1 is an integer greater than 0; for example, the terminal does not detect the MPDCCH on the subframe 4, the subframe 5, the subframe 6 and the subframe 7, and determines that DTX occurs when transmitting the downlink information, in FIG.
  • the dotted line indicates that it is not necessary to transmit the corresponding HARQ-ACK response information.
  • the base station may perform PUCCH detection on the next radio frame subframe 0, and determine the PDSCH transmission according to the detection result.
  • the base station determines that DTX occurs during data transmission, and the scheduling is performed. All the PDSCHs are retransmitted.
  • the base station detects the HARQ-ACK information
  • the base station determines the transmission status of the PDSCH according to the received HARQ-ACK information, where the base station performs PUCCH detection and the HARQ-ACK information received by the base station root determines that the PDSCH transmission status belongs to the current situation. There is technology, so I won't go into details here.
  • the base station can communicate with the terminal through the FDD system, and the terminal is a half-duplex FDD terminal; the base station can send the downlink information and the DCI corresponding to the downlink information to the terminal, where the base station increases the scheduling of the transmitted DCI.
  • the base station increases the scheduling of the transmitted DCI.
  • the base station adds a DAI field in the DCI, and the DAI field is used to indicate the offset of the downlink information with respect to the end position of the S1 downlink subframes, that is, the DAI domain is used to indicate the corresponding PDSCH or the corresponding
  • the MPDCCH indicating the downlink SPS release is offset from the end position of the S1 downlink subframes.
  • the DCI received by the terminal includes a DAI domain; here, the terminal may pre-agreed with the base station the content indicated by the DAI domain.
  • the seventh embodiment of the present invention will be exemplified below by way of a specific embodiment.
  • the base station transmits MPDCCH in subframe 0, subframe 1, subframe 2, subframe 3, subframe 4, subframe 5, and subframe 6, respectively, in subframe 2, subframe 3, and subframe. 4.
  • Subframe 5, subframe 6, subframe 7, and subframe 8 respectively transmit corresponding PDSCH, MPDCCH, and corresponding PDSCH.
  • the number of repetitions during transmission is 1; here, the meaning of the DAI field is shown in Table 5.
  • the value of the DAI field in the DCI received by the terminal is as shown in FIG. 11.
  • the terminal detects the corresponding MPDCCH on the subframe 0 to the subframe 6, and receives the MPDCCH with the DAI field value of 00 on the subframe 6, and the subsequent N2.
  • the terminal determines that the PDSCH corresponding to the received MPDCCH is the last PDSCH of the S1 downlink subframes, and N2 is an integer greater than 0.
  • the terminal is next according to the preset timing relationship.
  • the corresponding HARQ-ACK response information is sent on the radio frame subframe 2; here, the preset timing relationship is: when the PDSCH corresponding to the last MPDCCH is received on the subframe n, the corresponding HARQ is transmitted on the subframe n+4.
  • ACK response information the content of the specifically transmitted HARQ-ACK information can be determined by using Table 4. It should be noted that Table 4 only gives an example, and the present invention does not exclude other combinations of transmitting HARQ-ACK information and ACK number;
  • the value of the DAI field received by the terminal is as shown in FIG. 12 .
  • the meaning of the DAI domain can be explained with reference to Table 5; the terminal detects the corresponding MPDCCH on the subframe 0 to the subframe 5, and receives the subframe M.
  • the terminal determines that the MPDCCH on the subframe 6 is lost. Loss, N3 is an integer greater than 0; at this time, the UE does not transmit the corresponding HARQ-ACK response information; in FIG. 12, the broken line indicates that the corresponding HARQ-ACK response information does not need to be transmitted.
  • the HARQ-ACK response information for setting up to 4 PDSCHs is transmitted in the same uplink subframe, that is, the maximum value of the binding window is 4; the value of the DAI field received by the terminal is as shown in FIG. 13, and the terminal is in subframe 0 to A corresponding MPDCCH is detected on the subframe 6, and an MPDCCH with a value of 00 in the DAI field is received on the subframe 6, and the MPDCCH is not detected on the subsequent N4 subframes of the subframe 6.
  • Y binding windows Y is an integer greater than or equal to 1
  • each binding window corresponds to 4 subframes, where N4 is an integer greater than 0, and the bound window index is from the last one.
  • the HARQ-ACK response information corresponding to the PDSCH in the frame 8) is transmitted on the next radio frame subframe 2, and the HARQ-ACK response information corresponding to the PDSCH in the binding window 1 (corresponding to the subframe 2, the subframe 3, and the subframe 4) is below
  • a radio frame is transmitted on subframe 1; here, the preset timing relationship is: when receiving the last PDSCH on subframe n,
  • the HARQ-ACK response information for setting up to 4 PDSCHs is transmitted in the same uplink subframe, that is, the maximum value of the binding window is 4; the value of the DAI field received by the terminal is as shown in FIG. 14, and the terminal is in subframe 0 to
  • the MPDCCH is detected on the subframe 5, and the MPDCCH with the value of the DAI field is 01 is received on the subframe 5, and the MPDCCH is not detected on the subsequent N5 subframes of the subframe 5.
  • An MPDCCH is lost, that is, the terminal can determine that the end subframe of the foregoing S1 subframes is the subframe 6, and at this time, the terminal receives the last PDSCH from the sub-frame.
  • Y binding windows are constructed, Y is an integer greater than or equal to 1, and each binding window corresponds to 4 subframes, where N5 is an integer greater than 0, and the binding window index is from the PDSCH corresponding to the last MPDCCH.
  • the subframe starts; as shown in FIG. 14, there are two binding windows, and the terminal determines that DTX occurs in the binding window 0 (corresponding to subframe 5, subframe 6, subframe 7, and subframe 8 according to the preset timing relationship). Therefore, the terminal does not send the corresponding HARQ-ACK response information of the binding window 0.
  • the dotted line indicates that the corresponding HARQ-ACK response information does not need to be sent; the terminal may also bind the window according to the preset timing relationship.
  • the HARQ-ACK response information corresponding to the PDSCH in 1 (corresponding to subframe 2, subframe 3, and subframe 4) is transmitted on the next radio frame subframe 1; here, the preset timing relationship is: receiving the last one on subframe n
  • Table 2 it should be noted that Table 2 only gives an example, and the present invention does not exclude other HARQ-ACK information that determines the transmission. The way.
  • the base station may perform PUCCH detection on the next radio frame subframe 2, and determine the transmission of the PDSCH according to the detection result.
  • the base station determines that DTX occurs during data transmission, and the scheduling is performed. All the PDSCHs are retransmitted.
  • the base station detects the HARQ-ACK information
  • the base station determines the transmission status of the PDSCH according to the received HARQ-ACK information, where the base station performs PUCCH detection and the HARQ-ACK information received by the base station root determines that the PDSCH transmission status belongs to the current situation. There is technology, so I won't go into details here.
  • the base station For example, if the HARQ-ACK response information of up to 4 PDSCHs is transmitted in the same subframe, the base station performs PUCCH detection on the next radio frame subframe 1 and subframe 2, and determines the transmission of the PDSCH according to the detection result; optionally, when the base station does not have When the HARQ-ACK information is detected, the base station determines that DTX occurs during data transmission, and retransmits all the scheduled PDSCHs.
  • the base station When the base station detects the HARQ-ACK information, the base station determines the PDSCH transmission according to the received HARQ-ACK information, where The case where the base station performs the PUCCH detection and the HARQ-ACK information received by the base station to determine the transmission of the PDSCH belongs to the prior art, and details are not described herein again.
  • the base station can communicate with the terminal through the FDD system, and the terminal is a half-duplex FDD terminal; the base station can send the downlink information and the DCI corresponding to the downlink information to the terminal, where the base station increases the scheduling of the transmitted DCI.
  • the base station increases the scheduling of the transmitted DCI.
  • the base station adds a DAI domain to the DCI, where the DAI domain includes a first sub-control domain and a second sub-control domain, where the first sub-control domain is used to indicate the number of downlink information in the S1 downlink subframes, that is,
  • the first sub-control field is used to indicate the number of the PDSCH in the S1 downlink subframes and the number of MPDCCHs in the downlink SPS release, and the second sub-control field is used to indicate the downlink information that has been accumulated to the current downlink information.
  • the number that is, the second sub-control field is used to indicate the PDSCH that has accumulated to the current PDSCH or the MPDCCH currently indicating the downlink SPS release, and the number of MPDCCHs that indicate the release of the SPS.
  • the DCI received by the terminal includes the DAI domain.
  • the terminal can pre-arrange the content indicated by the DAI domain with the base station.
  • the seventh embodiment of the present invention will be exemplified below by way of a specific embodiment.
  • the base station transmits MPDCCH on subframe 0, subframe 1, subframe 2, subframe 3, and subframe 4, respectively, in subframe 2, subframe 3, subframe 4, subframe 5, and subframe 6.
  • the corresponding PDSCH is sent separately, and the number of repetitions of the MPDCCH and the corresponding PDSCH transmission is 1; here, the meaning of the DAI domain is as shown in Table 6 and Table 7.
  • the value of the DAI field in the DCI received by the terminal is as shown in FIG. 15.
  • the terminal detects the corresponding MPDCCH on the subframe 0 to the subframe 4, and receives the MPDCCH with the value of the first sub-control field of 00 in the subframe 4. And when the MPDCCH with the value of 00 of the second sub-control field is received on the subframe 4, and the MPDCCH is not detected on the subsequent N6 subframes of the subframe 4, the terminal determines the received on the subframe 4.
  • the PDSCH corresponding to the MPDCCH is the last PDSCH of the S1 downlink subframes, and N6 is an integer greater than 0.
  • the terminal sends a corresponding HARQ-ACK response on the next radio frame subframe 0 according to a preset timing relationship.
  • the preset timing relationship is: when the PDSCH corresponding to the last MPDCCH is received on the subframe n, the corresponding HARQ-ACK response information is sent on the subframe n+4;
  • the content of the specifically sent HARQ-ACK information may pass Table 4 performs the determination. It should be noted that Table 4 only gives an example, and the present invention does not exclude other HARQ-ACK information and ACK number combination.
  • the specific sending of the HARQ-ACK information may be obtained by XORing the HARQ-ACK response information corresponding to the downlink information in the S1 downlink subframe or the downlink subframe.
  • the value of the DAI field received by the terminal is as shown in FIG. 16 , the terminal detects the corresponding MPDCCH on the subframe 1 to the subframe 3, and receives the MPDCCH with the value of 00 in the first sub-control domain on the subframe 3, and When the MPDCCH with the value of the second sub-control field is 11 is received on the subframe 3, and the MPDCCH is not detected on the subsequent N7 subframes of the subframe 3, the terminal determines that the MPDCCH on the subframe 4 is lost. N7 is an integer greater than 0.
  • the value of the second sub-control field received on the subframe 1 is 01, and the terminal determines that the MPDCCH on the subframe 0 is lost.
  • the terminal does not send the HARQ-ACK response information; In 16, the dotted line indicates that it is not necessary to transmit HARQ-ACK response information.
  • the value of the DAI field received by the terminal is as shown in FIG. 17, the terminal detects the corresponding MPDCCH on the subframe 1 to the subframe 4, and receives the MPDCCH with the value of 00 in the first sub-control domain on the subframe 4, and When the MPDCCH with the value of 00 of the second sub-control field is received on the subframe 4, and the MPDCCH is not detected on the subsequent N8 subframes of the subframe 4, the terminal determines that the MPDCCH on the subframe 4 is lost. N8 is an integer greater than 0.
  • the value of the second sub-control field received on the subframe 1 is 01, and the terminal determines that the MPDCCH on the subframe 0 is lost.
  • the UE does not send the corresponding HARQ-ACK response information.
  • the broken line indicates that the HARQ-ACK response information does not need to be transmitted.
  • the base station may perform PUCCH detection on the next radio frame subframe 0, and determine the PDSCH transmission according to the detection result.
  • the base station Determining that DTX occurs when the data is transmitted, and all the PDSCHs that are scheduled are retransmitted.
  • the base station detects the HARQ-ACK information
  • the base station determines the transmission status of the PDSCH according to the received HARQ-ACK information, where the base station performs PUCCH detection and base station root reception.
  • the HARQ-ACK information determines that the transmission of the PDSCH belongs to the prior art, and details are not described herein again.
  • the base station can communicate with the terminal through the FDD system, and the terminal is a half-duplex FDD terminal; the base station can send the downlink information and the DCI corresponding to the downlink information to the terminal, where the base station increases the scheduling of the transmitted DCI.
  • the base station increases the scheduling of the transmitted DCI.
  • the base station newly adds a DAI domain in the DCI, where the DAI domain includes a third sub-control domain and a fourth sub-control domain, wherein the third sub-control domain is used to indicate the number of downlink information that has accumulated up to the current downlink information, that is,
  • the third sub-control field is used to indicate the PDSCH that has been accumulated to the current PDSCH or the MPDCCH that is currently indicated by the downlink SPS release, and the number of MPDCCHs that are released by the downlink SPS.
  • the fourth sub-control field is used to indicate the downlink information.
  • the binding window at the location that is, the fourth sub-control field is used to indicate the binding window in which the current PDSCH or the MPDCCH currently indicating the downlink SPS release is located; here, the terminal may pre-agreed the content indicated by the DAI domain with the base station.
  • the seventh embodiment of the present invention will be exemplified below by way of a specific embodiment.
  • the base station transmits MPDCCH on subframe 0, subframe 1, subframe 2, subframe 3, and subframe 4, respectively, in subframe 2, subframe 3, subframe 4, subframe 5, and subframe 6.
  • the corresponding PDSCH is sent separately, and the number of repetitions of the MPDCCH and the corresponding PDSCH transmission is 1; here, the meaning of the third sub-control domain is as shown in Table 8.
  • the size of the binding window is set to 4.
  • the value of the DAI field in the DCI received by the terminal is as shown in FIG. 18.
  • the terminal detects the corresponding MPDCCH on the subframe 0, the subframe 2, the subframe 3, and the subframe 4, and does not detect the corresponding MPDCCH on the subframe 1.
  • the terminal determines that DTX occurs when data is transmitted, and the terminal does not transmit the corresponding HARQ-ACK response information; in FIG. 18, the broken line indicates that the HARQ-ACK response information does not need to be transmitted.
  • the value of the DAI field in the DCI received by the terminal is as shown in FIG. 19, and the terminal detects the corresponding MPDCCH on the subframe 0 to the subframe 4, and receives the third sub-control domain on the subframe 0 to the subframe 3.
  • the terminal determines that DTX does not occur in the first 4 frames; the terminal is in The value of the fourth sub-control field received on the subframe 0 is 0, and the value of the fourth sub-control field received on the subframe 1, the subframe 2, and the subframe 3 is 1. At this time, the terminal determines that two settings need to be set. Binding window
  • the terminal determines that the last MPDCCH is lost, and the terminal does not send the corresponding HARQ-ACK response information; in FIG. 19, the dotted line indicates that the HARQ-ACK is not required to be sent. Answer the message.
  • the value of the DAI field received by the terminal is as shown in FIG. 20, and the terminal detects the corresponding MPDCCH on the subframe 0 to the subframe 4, and the value of the third sub-control domain received on the subframe 0 to the subframe 4.
  • the terminal determines that DTX does not occur in the first 5 frames; the value of the fourth sub-control field received by the terminal in subframe 0 is 0, and in subframe 1, subframe 2, The value of the fourth sub-control field received on the subframe 3 and the subframe 4 is 1.
  • the terminal determines that two binding windows need to be set;
  • the terminal determines that the last MPDCCH does not generate DTX. In this case, the terminal may send the HARQ-ACK corresponding to the S1 downlink subframes according to a predefined rule. The response information or the HARQ-ACK response information corresponding to the downlink information in the S1 downlink subframes.
  • the base station may perform PUCCH detection on the next radio frame subframe 0, and determine the PDSCH transmission according to the detection result.
  • the base station determines that DTX occurs during data transmission, and the scheduling is performed. All the PDSCHs are retransmitted.
  • the base station detects the HARQ-ACK information
  • the base station determines the transmission status of the PDSCH according to the received HARQ-ACK information, where the base station performs PUCCH detection and the HARQ-ACK information received by the base station root determines that the PDSCH transmission status belongs to the current situation. There is technology, so I won't go into details here.
  • the tenth embodiment of the present invention exemplifies a method for dividing downlink information in the S1 downlink subframes or S1 downlink subframes into Y binding windows.
  • the terminal divides downlink information in the S1 downlink subframes or the S1 downlink subframes into Y binding windows according to a predefined manner and/or scheduling the PDSCH; a specific embodiment is given below:
  • the binding window is divided in a predefined manner, where the predefined manner is that the PDSCH on the s downlink subframes is fixed to form a binding window starting from the downlink subframe where the last PDSCH is located, where d, s is predefined.
  • the value is as shown in FIG. 21, and the PDSCH on the four downlink subframes is fixed to form a binding window.
  • the binding window is divided in a predefined manner, where the predefined mode is a predetermined mode, and if the number of consecutive subframes for downlink transmission is at most 10, the predefined mode is ⁇ subframe 0, subframe 1, Subframe 2, the PDSCH on the subframe 3 ⁇ constitutes the first binding window, and the PDSCH on the ⁇ subframe 4, subframe 5, and subframe 6 ⁇ constitutes the second binding window, ⁇ subframe 7, subframe 8.
  • the PDSCH on the subframe 9 ⁇ constitutes a third binding window.
  • the UE combines the PDSCHs in the downlink subframe into three binding windows according to a predetermined pattern, that is, on the ⁇ subframe 0 ⁇ .
  • the PDSCH is a binding window, and the PDSCH on the sub-frame 1, the sub-frame 2, and the sub-frame 3 is one binding window, and the PDSCH on the sub-frame 4, the sub-frame 5, and the sub-frame 6 is one. Binding window
  • the predefined modes are different, for example, the maximum number is 11, then the predefined mode is ⁇ 4, 4, 3 ⁇ , and the UE is according to a predefined
  • the PDSCH on the uplink and downlink subframes of the mode constitutes two binding windows, that is, the PDSCH on the sub-frame 0, the sub-frame 1, the sub-frame 2, and the sub-frame 3 is a binding window, and the sub-frame is sub-framed.
  • the PDSCH on the subframe 6 ⁇ is a binding window; when the maximum number is 5, the predefined mode is ⁇ 2, 3 ⁇ , and when the maximum number is 6, the predefined mode is ⁇ 3, 3 ⁇ ; When the maximum number is 7, the predefined mode is ⁇ 4, 3 ⁇ , and when the maximum number is 8, the predefined mode is ⁇ 4, 4 ⁇ or ⁇ 2, 3, 3 ⁇ , and the maximum number is At 9 o'clock, the predefined mode is ⁇ 3,3,3 ⁇ ;
  • the binding window is divided in a predefined manner, where the predefined manner is that the downlink subframes are corresponding to the Y uplink subframes, and the corresponding uplink subframes are corresponding to the downlink subframes in which the last PDSCH is located.
  • the PDSCH on the downlink subframes constitutes one binding window; as shown in FIG.
  • the subframe 6 corresponds to the uplink subframe 0, the subframe 5 corresponds to the uplink subframe 9; and the subframe 4 corresponds to the uplink subframe 8;
  • the sub-frame 3 corresponds to the uplink sub-frame 0, the sub-frame 2 corresponds to the uplink sub-frame 9, the sub-frame 1 corresponds to the uplink sub-frame 8, and the sub-frame 0 corresponds to the uplink sub-frame 9;
  • the binding window is divided according to the pre-defined manner and the scheduled PDSCH. Specifically, the PDSCH is fixed to form a binding window from the last scheduled PDSCH. In this case, the base station and the terminal need to understand the scheduled PDSCH. Consistent
  • the binding window is configured according to the pre-defined manner and the scheduled PDSCH.
  • the scheduled PDSCH is corresponding to the Y uplink subframes from the last scheduled PDSCH, and the base station and the terminal need to understand the scheduled PDSCH.
  • the binding window is divided according to a predefined manner and the total number of PDSCHs scheduled, specifically
  • the first PDSCH is mapped to the binding window 1, and the second PDSCH is mapped to the binding window 2;
  • the first PDSCH is mapped to the binding window 0
  • the second PDSCH is mapped to the binding window 1
  • the third PDSCH is mapped to the binding window 2;
  • the first and second PDSCHs are mapped to the binding window 0
  • the third PDSCH is mapped to the binding window 1
  • the fourth PDSCH is mapped to the binding window 2;
  • the first and second PDSCHs are mapped to the binding window 0
  • the third and fourth PDSCHs are mapped to the binding window 1
  • the fifth PDSCH is mapped to the binding window 2 ;
  • the first, second, and third PDSCHs are mapped to Binding Window 0, and the 4th and 5th PDSCHs are mapped to Binding Window 1, 6th, and 7th.
  • PDSCH is mapped to the binding window 2;
  • the first, second, and third PDSCHs are mapped to the binding window 0, and the fourth, fifth, and sixth PDSCHs are mapped to the binding window 1, the seventh. And the 8th PDSCH is mapped to the binding window 2;
  • the first, second, and third PDSCHs are mapped to the binding window 0, and the fourth, fifth, and sixth PDSCHs are mapped to the binding window 1, the seventh. , the 8th and 9th PDSCH are mapped to the binding window 2;
  • the first, second, third, and fourth PDSCHs are mapped to the binding window 0, and the fifth, sixth, and seventh PDSCHs are mapped to the binding window 1.
  • the eighth, the ninth and tenth PDSCH are mapped to the binding window 2;
  • the specific embodiment 3 to the specific embodiment 5 need to be determined according to the scheduled PDSCH.
  • the UE needs to determine the number of scheduled PDSCHs, and the existing technology may be used, for example, adding DAI in the DCI to assist the UE in determining, specifically belonging to the present There is technology, so I won't go into details here.
  • An eleventh embodiment of the present invention exemplifies a method for a terminal to transmit HARQ-ACK response information.
  • FIG. 24 is a flowchart of a method for a terminal to send HARQ-ACK response information according to an embodiment of the present invention. As shown in FIG. 24, the process includes:
  • Step 1001 The terminal determines, according to the signaling and/or the transmission rule, a manner of sending the HARQ-ACK response information.
  • step 1001 the terminal determines HARQ-ACK according to signaling and/or transmission rules. How to send the response message includes:
  • the narrowband IoT NB-IoT system supports two HARQ processes in the downlink, and the feedback timings of the two narrowband physical downlink shared channels (NPDSCH) indicated in the DCI are respectively k1, k2, that is, the end subframe of the NPDSCH i is a sub-frame.
  • NPDSCH physical downlink shared channels
  • the UE may determine, according to the high layer signaling, that the HARQ-ACK response information corresponding to the two NPDSCHs is sent in the same subframe or in different subframes; if the signaling indicates that the packets are transmitted in different subframes, the UE follows the feedback timings k1 and k2 indicated by the DCI. Transmitting corresponding HARQ-ACK response information on the corresponding subframes; if the signaling indication is transmitted in the same subframe, the terminal sends two HARQ-ACK response information corresponding to the NPDSCH in the same subframe;
  • the UE determines that the HARQ-ACK response information corresponding to the two NPDSCHs needs to be sent in the same subframe according to the HARQ-ACK feedback timing indicated by the DCI, and the UE sends the HARQ-ACK response information corresponding to the two NPDSCHs in the same subframe;
  • the feedback timings k1 and k2 indicated by the DCI respectively send corresponding HARQ-ACK response information on the corresponding subframes;
  • the UE determines that the subframe in which the HARQ-ACK response information is located according to the DCI-ACK feedback timing of the HARQ-ACK feedback timing overlaps with a subframe in which the scheduling timing of the NPDSCH indicated by the DCI is overlapped or a partial subframe overlap, and the UE transmits two subframes in the same subframe.
  • the HARQ-ACK response information corresponding to the NPDSCH otherwise, the UE respectively sends the corresponding HARQ-ACK response information in the corresponding subframe according to the feedback timings k1 and k2 indicated by the DCI;
  • the UE sends two HARQ-ACK response information corresponding to the NPDSCH in the same subframe; otherwise, the UE responds according to the feedback timings k1 and k2 indicated by the DCI.
  • Corresponding HARQ-ACK response information is respectively sent on the subframes, where the NPDCCHs are located in the same search space, and the candidate sets corresponding to the NPDCCHs in the two processes are located in the same subframe, or in consecutive subframes; The number of frames is less than a predefined value.
  • the subframe is determined according to a maximum value of the two feedback timings k1 and k2; or; determining according to the minimum value of k1 and k2 Or determined according to a preset value.
  • Step 1002 The terminal sends the HARQ-ACK information according to the determined sending manner.
  • the specific HARQ-ACK information is determined by at least one of the following methods:
  • the HARQ-ACK information is obtained by binding the HARQ-ACK response information corresponding to the two NPDSCHs, that is, the two HARQ-ACK response information are XORed.
  • Table 9 shows an example of using the combination of the resource used for transmission and the information at the time of transmission to represent the HARQ-ACK response information, and other combinations are not excluded.
  • FIG. 25 is a schematic structural diagram of a device for transmitting uplink control information according to an embodiment of the present invention. As shown in FIG. 25, the device includes a receiving module 901 and transmitting Module 902; wherein
  • the receiving module 901 is configured to receive downlink information in S1 downlink subframes from a downlink subframe whose subframe index is n 0 ;
  • the sending module 902 is configured to send the HARQ-ACK response information corresponding to the downlink information in the S2 uplink subframes according to the timing relationship between the downlink information and the corresponding hybrid automatic repeat request (HARQ-acknowledgment ACK response information), where Q i is the number of subframes corresponding to the transmission of the i-th HARQ-ACK response information.
  • HARQ-acknowledgment ACK response information HARQ-acknowledgment ACK response information
  • the subframe whose subframe index is n 0 is: a preset subframe or a subframe indicated by signaling.
  • the timing relationship between the downlink information and the corresponding HARQ-ACK response information includes: a timing relationship between the S1 downlink subframes and the uplink subframes corresponding to the HARQ-ACK response information determined according to a predefined rule, where The value of S1 is a preset value, or the value of S1 is equal to the maximum number of downlink processes, or the value of S1 is a value configured by signaling.
  • the sending module 902 is further configured to determine, according to the location of the last subframe corresponding to the downlink information in the S1 subframes, and the determined timing relationship, the HARQ-ACK response information corresponding to the downlink information is The position in S2 uplink subframes.
  • the timing relationship between the downlink information and the corresponding HARQ-ACK response information includes: between the N downlink information in the S1 downlink subframes and the uplink subframe in which the corresponding HARQ-ACK response information is located according to the predefined rule.
  • Timing relationship; P j is the number of subframes corresponding to the transmission of the jth downlink information, and the value of N is a preset value, or the value of N is equal to the maximum number of downlink processes, or the value of N is a value configured by signaling.
  • the sending module 902 is further configured to determine, according to the location of each downlink information in the N downlink information, and the determined timing relationship, the location of the corresponding HARQ-ACK response information in the S2 uplink subframes. .
  • the timing relationship between the downlink information and the corresponding HARQ-ACK response information includes: determining, according to the value of S1 and the number of downlink subframes occupied by the downlink information transmission, the S1 downlink subframes.
  • the number of downlink information G is included, and the timing relationship between the G downlink information and the uplink subframe corresponding to the HARQ-ACK response information is determined according to a predefined rule, where the value of S1 is a preset value or a value indicated by the signaling.
  • the sending module is further configured to determine, according to a location of each downlink information in the G downlink information, and the determined timing relationship, a location of the corresponding HARQ-ACK response information in the S2 subframes.
  • the receiving module is further configured to receive downlink control information (DCI) corresponding to the downlink information, where the DCI includes first control domain information; and the first control domain information is a newly added downlink allocation indication in the DCI.
  • DCI downlink control information
  • a DAI domain wherein the DAI domain is used to indicate at least one of the following:
  • the receiving module 901 is further configured to send the value of the received DAI domain to the sending module;
  • the sending module 902 is further configured to: when the downlink information is determined as the last one of the S1 downlink subframes according to the received DAI field corresponding to the last downlink information, send the S1 downlink subframes according to a predefined rule.
  • the receiving module 901 is further configured to send the value of the received DAI domain to the sending module;
  • the sending module 902 is further configured to: when the location of the last downlink information received is the same as the end location of the S1 downlink subframes indicated by the DAI domain, send the corresponding S1 downlink subframes according to a predefined rule.
  • HARQ-ACK response information or downlink in the S1 downlink subframes The HARQ-ACK response information corresponding to the information; otherwise, the HARQ-ACK response information corresponding to the S1 downlink subframes or the HARQ-ACK response information corresponding to the downlink information in the S1 downlink subframes are not transmitted.
  • the receiving module 901 is further configured to send the value of the received DAI domain to the sending module;
  • the sending module 902 is further configured to: according to the value of the DAI field corresponding to the received last downlink information, determine that the downlink information is not offset from the end position of the S1 downlink subframes, and send the according to a predefined rule.
  • the DAI domain includes a first sub-control domain and a second sub-control domain, where the first sub-control domain is used to indicate the number of downlink information in the S1 downlink subframes, and the second sub-control domain is used to indicate the The amount of downlink information accumulated up to the current downlink information;
  • the receiving module 901 is further configured to send the value of the received DAI domain to the sending module;
  • the sending module 902 is further configured to determine, according to all received DAI domains, the number of downlink information in the S1 downlink subframes and the location of each downlink information in the S1 downlink subframes, and according to the pre- The defined rule sends the HARQ-ACK response information corresponding to the S1 downlink subframes or the HARQ-ACK response information corresponding to the downlink information in the S1 downlink subframes.
  • the DAI domain includes a third sub-control domain, where the third sub-control domain is used to indicate the number of downlink information that has been accumulated to the current downlink information, and the fourth sub-control domain is used to indicate the The binding window where the downlink information is located;
  • the receiving module 901 is further configured to send the value of the received DAI domain to the sending module;
  • the sending module 902 is further configured to determine, according to the received third sub-control domain, whether the discontinuous transmission DTX has occurred for the first time, and when the first judgment result is that the DTX occurs, the S1 downlink is not sent.
  • the HARQ-ACK response information corresponding to the subframe or the S1 downlink subframes The HARQ-ACK response information corresponding to the downlink information; when the first judgment result is that DTX does not occur, the DTX is determined according to the received fourth sub-control field for the second time, and the result of the second judgment is that DTX occurs.
  • the predefined rule is at least one of the following: a first rule, a second rule; the first rule is: the last subframe corresponding to the downlink subframe/the downlink information and the HARQ-ACK response information The number of interval subframes between the first subframes satisfies a minimum value greater than a preset value L; the second rule is: the difference between the number of HARQ-ACK response information on any two uplink subframes is less than or equal to Set the value F;
  • the predefined rule is: the HARQ-ACK response information corresponding to the downlink information in the S1 downlink subframes or the S1 downlink subframes is sent on the subframe n s +f, and n s is the S1 downlink subframes. a subframe index of the last subframe in the frame or a subframe index corresponding to the last subframe of the last downlink information, where f is a preset value or a value indicated by the signaling;
  • the device further includes a dividing module, where the dividing module is further configured to divide the downlink information in the S1 downlink subframes or the S1 downlink subframes into Y binding windows, where Y is greater than or equal to 1, corresponding to
  • the pre-defined rule is that the HARQ-ACK response information corresponding to the binding window y is sent on the subframe n s +fy; wherein the binding window y is the last y+1th of the S1 downlink subframes Binding window, the number of downlink subframes or downlink information included in each binding window does not exceed 4, 0 ⁇ y ⁇ Y-1.
  • the value of M is a preset value, or the value of M is determined according to S1 and the preset value K, or the value of M is determined according to the number of downlink information and the preset value K included in the downlink subframe of the S1.
  • the transmitting module is further configured to determine a HARQ-ACK response according to signaling and/or transmission rules The manner in which the information is transmitted, the terminal transmits the HARQ-ACK information according to the determined transmission manner.
  • the receiving module 901 and the sending module 902 can each be a Central Processing Unit (CPU), a Micro Processor Unit (MPU), and a Digital Signal Processor (Digital Signal) located in the AAA server. Processor, DSP), or Field Programmable Gate Array (FPGA) implementation.
  • CPU Central Processing Unit
  • MPU Micro Processor Unit
  • DSP Digital Signal Processor
  • FPGA Field Programmable Gate Array
  • a twelfth embodiment of the present invention provides a terminal, which includes any one of the uplink control information transmitting apparatuses in the eleventh embodiment of the present invention.
  • the uplink control information transmitting apparatus when the uplink control information transmitting apparatus is implemented in the form of a software function module and sold or used as an independent product, it may also be stored in a computer readable storage medium.
  • the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium, including a plurality of instructions.
  • a computer device (which may be a personal computer, server, or network device, etc.) is caused to perform all or part of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read only memory (ROM), a magnetic disk, or an optical disk.
  • program codes such as a USB flash drive, a mobile hard disk, a read only memory (ROM), a magnetic disk, or an optical disk.
  • the embodiment of the present invention further provides a storage medium, wherein a computer program is stored, and the computer program is used to execute the method for transmitting uplink control information in the embodiment of the present invention.
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention can take the form of a hardware embodiment, a software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) including computer usable program code.
  • the present invention is directed to a method, apparatus (system), and computer program in accordance with an embodiment of the present invention
  • the flow chart and/or block diagram of the product is described. It will be understood that each flow and/or block of the flowchart illustrations and/or FIG.
  • These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing device to produce a machine for the execution of instructions for execution by a processor of a computer or other programmable data processing device.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.
  • the terminal receives the downlink information in the S1 downlink subframes from the downlink subframe whose subframe index is n 0 ; and the HARQ-acknowledgment ACK response information according to the downlink information and the corresponding hybrid automatic repeat request.
  • the HARQ-ACK response information corresponding to the downlink information is sent on the S2 uplink subframes;
  • Q i is the number of repetitions corresponding to the transmission of the i-th HARQ-ACK information; thus, the HD-FDD UE can support the HARQ-ACK binding, thereby enabling the UE to support the application of the higher data rate MTC.

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

Abstract

Le mode de réalisation de la présente invention concerne un procédé, un dispositif et un terminal, et un support d'informations servant à la transmission d'informations de commande de liaison montante, le procédé comprenant : la réception, par un terminal, d'informations de liaison descendante dans un nombre S1 de sous-trames de liaison descendante commençant à partir d'une sous-trame de liaison descendante avec un indice de sous-trame de n0; en fonction d'une relation de synchronisation entre les informations de liaison descendante et les informations de réponse HARQ-ACK correspondantes, la transmission des informations de réponse HARQ-ACK correspondant aux informations de liaison descendante sur un nombre S2 de sous-trames de liaison montante, S2 étant une formule (S), Qi étant le nombre de sous-trames correspondant à l'i-ième transmission d'informations de réponse HARQ-ACK.
PCT/CN2016/104795 2016-08-12 2016-11-04 Procédé, dispositif et terminal, et support d'informations servant à la transmission d'informations de commande liaison montante WO2018028063A1 (fr)

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CN201610876662.4A CN107733587A (zh) 2016-08-12 2016-09-30 一种上行控制信息的发送方法、装置和终端

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