WO2020019214A1 - Procédé de transmission d'informations de rétroaction harq terminal et station de base - Google Patents

Procédé de transmission d'informations de rétroaction harq terminal et station de base Download PDF

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Publication number
WO2020019214A1
WO2020019214A1 PCT/CN2018/097099 CN2018097099W WO2020019214A1 WO 2020019214 A1 WO2020019214 A1 WO 2020019214A1 CN 2018097099 W CN2018097099 W CN 2018097099W WO 2020019214 A1 WO2020019214 A1 WO 2020019214A1
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WIPO (PCT)
Prior art keywords
information
preset
pucch
target
resource
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PCT/CN2018/097099
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English (en)
Chinese (zh)
Inventor
牟勤
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北京小米移动软件有限公司
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Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to PCT/CN2018/097099 priority Critical patent/WO2020019214A1/fr
Priority to CN201880001486.7A priority patent/CN109075922B/zh
Priority to CN202111350623.8A priority patent/CN114142973A/zh
Publication of WO2020019214A1 publication Critical patent/WO2020019214A1/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
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1893—Physical mapping arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK

Definitions

  • the present disclosure relates to the field of communication technologies, and in particular, to a method, terminal, and base station for transmitting HARQ feedback information.
  • MTC Machine Type Communication
  • IoT Internet of Things
  • smart cities such as meter reading
  • smart agriculture For example, the collection of information such as temperature and humidity
  • intelligent transportation such as bicycle sharing, and many other fields.
  • the MTC FDD (Frequency, Division, and Dual Frequency Division Duplex) system schedules wireless resources as follows:
  • One MPDCCH MTC Physical Downlink Control Channel, MTC Physical Downlink Control Channel
  • PDSCH Physical Downlink Shared Channel, Physical Downlink Shared Channel
  • PUSCH Physical Uplink Shared Channel
  • MTC terminals need to receive and blindly check MPDCCH before receiving or sending data. For the case where a large data packet needs to be sent to the MTC terminal, it takes several rounds of scheduling to complete. In most cases, due to similar channel conditions, the scheduling contents of several MPDCCHs are similar. Even in this case, the terminal still needs to demodulate each scheduled MPDCCH, resulting in excessive power consumption.
  • the related art proposes a scheme in which one MPDCCH schedules multiple uplink or downlink TB (Transmission block data blocks). How to perform HARQ (Hybrid, Automatic, Repeat, and ReQuest) feedback on the scheduled data blocks under this scheme needs further discussion.
  • HARQ Hybrid, Automatic, Repeat, and ReQuest
  • embodiments of the present disclosure provide a method, terminal, and base station for transmitting HARQ feedback information.
  • the base station uses one MPDCCH to schedule multiple downlink TBs
  • multiple PDSCHs can be determined according to the MPDCCH information Target PUCCH index information, saving system signaling overhead.
  • a method for transmitting HARQ feedback information of a hybrid automatic retransmission request is provided, which is characterized in that the method is applied to a terminal of a machine type communication MTC frequency division duplex FDD system, and the method includes :
  • the HARQ PUCCH resource configuration information includes: first indication information, the first indication information is used to instruct the MTC terminal to determine a PUCCH index information as a reference according to the LTE FDD system protocol, and determine each of the PDSCH resources Corresponding target PUCCH index information;
  • the determining the target PUCCH index information corresponding to each of the PDSCH resources according to the HARQ PUCCH resource configuration information includes:
  • the first indication information includes: first preset indication sub-information;
  • the determining, according to the first reference PUCCH index information, target PUCCH index information corresponding to each of the PDSCH resources includes:
  • the first reference PUCCH index information Determining, according to the first preset indicator sub-information, the first reference PUCCH index information as target PUCCH index information corresponding to each of the PDSCH resources.
  • the first indication information includes: second preset indication sub-information and first offset configuration information;
  • the determining, according to the first reference PUCCH index information, target PUCCH index information corresponding to each of the PDSCH resources includes:
  • the first offset configuration information includes: a preset offset value
  • the determining, according to the first reference PUCCH index information and the first offset configuration information, target PUCCH index information corresponding to each of the PDSCH resources includes:
  • the first offset configuration information includes: a first offset configuration list; the first offset configuration list includes: a correspondence relationship between PDSCH resource timing and a preset offset;
  • the determining, according to the first reference PUCCH index information and the first offset configuration information, target PUCCH index information corresponding to each of the PDSCH resources includes:
  • the HARQ PUCCH configuration information includes: a preset HARQ PUCCH resource set and second indication information; wherein the preset HARQ PUCCH resource set includes a preset number of candidate PUCCH resource index values;
  • the determining the target PUCCH index information corresponding to each of the PDSCH resources according to the HARQ PUCCH resource configuration information includes:
  • target PUCCH index information corresponding to each PDSCH resource is determined from the preset HARQ PUCCH resource set according to a resource allocation offset ARO domain in the MPDCCH information.
  • the MPDCCH information includes one of the ARO domains
  • Determining the target PUCCH index information corresponding to each PDSCH resource from the preset HARQ PUCCH resource set according to the resource allocation offset ARO domain in the MPDCCH information includes:
  • the second indication information includes: a third preset indication sub-information
  • the determining, according to the second reference PUCCH index information, target PUCCH index information corresponding to each of the PDSCH resources includes:
  • the second indication information includes: fourth preset indication sub-information and second offset configuration information;
  • the determining, according to the second reference PUCCH index information, target PUCCH index information corresponding to each of the PDSCH resources includes:
  • the second offset configuration information includes: a preset offset value
  • the determining the target PUCCH index information corresponding to each of the PDSCH resources according to the second reference PUCCH index information and the second preset offset configuration information includes:
  • the second offset configuration information includes: a second offset configuration list;
  • the second offset configuration list includes: a correspondence relationship between a PDSCH resource timing and a preset offset;
  • the determining the target PUCCH index information corresponding to each PDSCH resource according to the second reference PUCCH index information and the second offset configuration information includes:
  • the MPDCCH information includes: an ARO field equal to the PDSCH resource; the second indication information includes: a fifth preset indicator sub-information;
  • Determining the target PUCCH index information corresponding to each PDSCH resource from the preset HARQ PUCCH resource set according to the ARO domain in the MPDCCH information includes:
  • the HARQ PUCCH configuration information includes: third indication information
  • the determining the target PUCCH index information corresponding to each of the PDSCH resources according to the HARQ PUCCH resource configuration information includes:
  • the third indication information includes: a sixth preset indication sub-information
  • the determining the target PUCCH index information corresponding to each PDSCH resource according to the PRB index information of each PDSCH resource includes:
  • the sum of the preset PRB index value of the current PDSCH resource and the starting position information of the preset HRAQ PUCCH resource is determined as the target PUCCH index information of the current PDSCH resource.
  • the third indication information includes: a seventh preset indication sub-information and a third preset offset;
  • the determining the target PUCCH index information corresponding to each PDSCH resource according to the PRB index information of each PDSCH resource includes:
  • a method for transmitting HARQ feedback information of a hybrid automatic retransmission request is provided, which is applied to a base station of a machine type communication MTC frequency division duplex FDD system.
  • the method includes:
  • HARQ PUCCH resource configuration information corresponding to a preset downlink scheduling mode is to schedule at least two physical downlink shared channels PDSCH for one downlink data transmission of an MTC terminal by using one MTC physical downlink control channel MPDCCH information Resources
  • the HARQ PUCCH resource configuration information includes: first indication information, the first indication information is used to instruct the MTC terminal to determine a PUCCH index information as a reference according to the LTE FDD system protocol, and determine each of the PDSCH resources Corresponding target PUCCH index information.
  • the first indication information includes: first preset indication sub-information;
  • the first preset indicator sub-information is used to instruct the MTC terminal to use a PUCCH index information determined in the LTE FDD system as target PUCCH index information corresponding to each of the PDSCH resources.
  • the first indication information includes: second preset indication sub-information and first offset configuration information; wherein the second preset indication sub-information is used to instruct the MTC terminal according to the LTE FDD system
  • the method for determining HARQ PUCCH resources is to determine a first reference PUCCH index value corresponding to a specified PDSCH resource, and determine a target corresponding to each PDSCH resource according to the first reference PUCCH index value and the first offset configuration information. PUCCH index information.
  • the first offset configuration information includes: a preset offset value, or a first offset configuration list; the first offset configuration list includes: PDSCH resource timing and preset offset Correspondence between shifts.
  • the designated PDSCH resource is a starting PDSCH resource scheduled by the MPDCCH information.
  • the HARQ PUCCH configuration information includes: a preset HARQ PUCCH resource set and second indication information; wherein the preset HARQ PUCCH resource set includes a preset number of candidate PUCCH resource index values;
  • the second indication information is used to instruct the MTC terminal to determine target PUCCH index information corresponding to each PDSCH resource from the preset HARQ PUCCH resource set according to a resource allocation offset ARO domain in the MPDCCH information.
  • the second indication information includes: a third preset indication sub-information
  • the third preset indicator sub-information is used to instruct the MTC terminal to determine the same target PUCCH index information for each of the PDSCH resources from the preset HARQ PUCCH resource set according to the ARO domain in the MPDCCH information.
  • the second indication information includes: fourth preset indication sub-information and second offset configuration information;
  • the fourth preset indicator sub-information is used to instruct the MTC terminal to determine the second reference PUCCH index information corresponding to the specified PDSCH resource from the preset HARQ PUCCH resource set according to the ARO domain in the MPDCCH information, and according to the The second reference PUCCH index information and the second offset configuration information determine target PUCCH index information corresponding to each of the PDSCH resources.
  • the second offset configuration information includes: a preset offset value, or a second offset configuration list; the second offset configuration list includes: PDSCH resource timing and preset offset Correspondence between shifts.
  • the MPDCCH information includes: an ARO field equal to the PDSCH resource; the second indication information includes: a fifth preset indicator sub-information;
  • the fifth preset indicator sub-information is used to instruct the MTC terminal to determine target PUCCH index information corresponding to each PDSCH resource from the preset HARQ PUCCH resource set according to each ARO domain in the MPDCCH information.
  • the HARQ PUCCH resource configuration information includes third indication information, where the third indication information is used to instruct the MTC terminal to determine a corresponding one of the PDSCH resources according to the PRB index information of each of the PDSCH resources.
  • Target PUCCH index information is used to instruct the MTC terminal to determine a corresponding one of the PDSCH resources according to the PRB index information of each of the PDSCH resources.
  • the third indication information includes: sixth preset indication sub-information, used to instruct the MTC terminal to determine target PUCCH index information for the current PDSCH resource according to the preset PRB index information of the current PDSCH resource.
  • the third indication information includes: a seventh preset indication sub-information and a third preset offset, and the seventh preset indication sub-information is used to instruct the MTC terminal according to the prediction of the current PDSCH resource.
  • Set PRB index information to determine third reference PUCCH index information corresponding to the current PDSCH resource; and determine a target PUCCH index corresponding to the current PDSCH resource according to the third reference PUCCH index information and the third preset offset information.
  • a terminal for transmitting HARQ feedback information of a hybrid automatic retransmission request is provided, which is applied to a machine type communication MTC frequency division duplex FDD system, and the terminal includes:
  • the configuration information determining module is configured to obtain HARC physical uplink control channel PUCCH resource configuration information corresponding to a preset downlink scheduling mode; wherein the preset downlink scheduling mode is that the base station uses one MTC physical downlink control channel MPDCCH information for the terminal. Scheduling at least two physical downlink shared channel PDSCH resources for one downlink data transmission;
  • An index information determination module configured to determine target PUCCH index information corresponding to each of the PDSCH resources according to the HARQ PUCCH resource configuration information
  • the HARQ feedback module is configured to load HARQ feedback information of downlink data transmission carried by each PDSCH resource into a target PUCCH resource corresponding to the target PUCCH index information and send it to the base station.
  • the HARQ PUCCH resource configuration information includes: first indication information, the first indication information is used to instruct the MTC terminal to determine a PUCCH index information as a reference according to the LTE FDD system protocol, and determine each of the PDSCH resources Corresponding target PUCCH index information;
  • the index information determination module includes:
  • the information determining submodule is configured to determine a PUCCH index information of a designated PDSCH resource according to a method for determining PUCCH index information in an LTE FDD system protocol;
  • a first reference index determining submodule configured to determine the PUCCH index information as the first reference PUCCH index information
  • the first target index determination submodule is configured to determine target PUCCH index information corresponding to each of the PDSCH resources according to the first reference PUCCH index information.
  • the first indication information includes: first preset indication sub-information;
  • the first target index determination sub-module is configured to determine the first reference PUCCH index information as target PUCCH index information corresponding to each of the PDSCH resources according to the first preset indicator sub-information.
  • the first indication information includes: second preset indication sub-information and first offset configuration information;
  • the first target index determination sub-module is configured to determine each of the PDSCH resources according to the second preset indicator sub-information, and according to the first reference PUCCH index information and the first offset configuration information. Corresponding target PUCCH index information.
  • the first offset configuration information includes: a preset offset value
  • the first target index determination submodule includes:
  • the offset value determining unit is configured to determine a target offset value corresponding to each PDSCH resource according to a timing of each PDSCH resource and the preset offset value, where the target offset value is the preset value.
  • the first target index determining unit is configured to determine target PUCCH index information corresponding to each of the PDSCH resources according to the first reference PUCCH index information and the target offset value.
  • the first offset configuration information includes: a first offset configuration list; the first offset configuration list includes: a correspondence relationship between a PDSCH resource timing and a preset offset;
  • the first target index determination submodule includes:
  • a first query unit configured to query the first offset configuration list according to a timing of a current PDSCH resource, and determine a target offset corresponding to the current PDSCH resource timing;
  • a second target index determining unit is configured to determine, according to the first reference PUCCH index information and the target offset, target PUCCH index information corresponding to the current PDSCH resource.
  • the HARQ PUCCH configuration information includes: a preset HARQ PUCCH resource set and second indication information; wherein the preset HARQ PUCCH resource set includes a preset number of candidate PUCCH resource index values;
  • the index information determining module is configured to determine, according to the second indication information, a target corresponding to each PDSCH resource from the preset HARQ PUCCH resource set according to a resource allocation offset ARO domain in the MPDCCH information. PUCCH index information.
  • the MPDCCH information includes one of the ARO domains
  • the index information determination module includes:
  • a second reference index determination submodule configured to select second reference PUCCH index information from the preset HARQ PUCCH resource set according to the ARO domain;
  • the second target index determination submodule is configured to determine target PUCCH index information corresponding to each of the PDSCH resources according to the second reference PUCCH index information.
  • the second indication information includes: a third preset indication sub-information
  • the second target index determination sub-module is configured to determine the second reference PUCCH index information as target PUCCH index information corresponding to each of the PDSCH resources according to the third preset indicator sub-information.
  • the second indication information includes: fourth preset indication sub-information and second offset configuration information;
  • the second target index determination submodule is configured to determine target PUCCH index information corresponding to each of the PDSCH resources according to the second reference PUCCH index information and the second offset configuration information.
  • the second offset configuration information includes: a preset offset value
  • the second target index determination submodule includes:
  • the offset value determining unit is configured to determine a target offset value corresponding to each PDSCH resource according to a timing of each PDSCH resource and the preset offset value, where the target offset value is the preset value.
  • a third target index determining unit is configured to determine target PUCCH index information corresponding to each of the PDSCH resources according to the second reference PUCCH index information and the target offset value.
  • the second offset configuration information includes: a second offset configuration list; the second offset configuration list includes: a correspondence relationship between PDSCH resource timing and a preset offset;
  • the second target index determination submodule includes:
  • a second querying unit configured to query the second offset configuration list according to a timing of the current PDSCH resource, and determine a target offset corresponding to the timing of the current PDSCH resource;
  • a fourth target index determining unit is configured to determine target PUCCH index information corresponding to the current PDSCH resource according to the second reference PUCCH index information and the target offset.
  • the MPDCCH information includes: an ARO domain equal to the PDSCH resource; the second indication information includes: a fifth preset indicator sub-information;
  • the index information determination module includes:
  • the ARO domain determination submodule is configured to determine a target ARO domain corresponding to the current PDSCH resource according to the fifth preset indicator subinformation;
  • the third target index determination sub-module is configured to determine target PUCCH index information corresponding to the current PDSCH resource from the preset HARQ PUCCH resource set according to the target ARO domain.
  • the HARQ PUCCH configuration information includes: third indication information
  • the index information determination module is configured to determine target PUCCH index information corresponding to each of the PDSCH resources according to the third indication information and according to a PRB index information of a physical resource block of each of the PDSCH resources.
  • the third indication information includes: a sixth preset indication sub-information
  • the index information determination module includes:
  • a PRB index determination sub-module configured to determine a PRB index range of a physical resource block of a current PDSCH resource
  • the first target index calculation sub-module is configured to determine the sum of the preset PRB index value of the current PDSCH resource and the starting position information of the preset HRAQ PUCCH resource according to the sixth preset indicator sub-information as Target PUCCH index information of the current PDSCH resource.
  • the third indication information includes: a seventh preset indication sub-information and a third preset offset;
  • the index information determination module includes:
  • a PRB index determination sub-module configured to determine a PRB index range of a physical resource block of a current PDSCH resource
  • the third reference index determining submodule is configured to determine a sum of a preset PRB index value of the current PDSCH resource and the starting position information of the preset HRAQ PUCCH resource according to the seventh preset indicator sub-information as The third reference PUCCH index information corresponding to the current PDSCH resource;
  • a second target index calculation submodule is configured to determine target PUCCH index information of the current PDSCH resource according to the third reference PUCCH index information and the third preset offset.
  • a base station for transmitting HARQ feedback information of a hybrid automatic retransmission request is provided, which is applied to a machine type communication MTC frequency division duplex FDD system.
  • the base station includes:
  • the configuration information determining module is configured to determine HARQ PUCCH resource configuration information corresponding to a preset downlink scheduling mode; wherein the preset downlink scheduling mode is to use one MTC physical downlink control channel MPDCCH information for one downlink data transmission scheduling of the MTC terminal. At least two physical downlink shared channel PDSCH resources;
  • the configuration information sending module is configured to send the HARQ PUCCH resource configuration information to the MTC terminal, so that the MTC terminal determines a target physical uplink according to the HARQ PUCCH resource configuration information in the preset downlink scheduling mode. Control channel PUCCH resources and load HARQ feedback information of the downlink data transmission into the target PUCCH resources and feed them back to the base station.
  • the HARQ PUCCH resource configuration information includes: first indication information, the first indication information is used to instruct the MTC terminal to determine a PUCCH index information as a reference according to the LTE FDD system protocol, and determine each of the PDSCH resources Corresponding target PUCCH index information.
  • the first indication information includes: first preset indication sub-information;
  • the first preset indicator sub-information is used to instruct the MTC terminal to use a PUCCH index information determined in the LTE FDD system as target PUCCH index information corresponding to each of the PDSCH resources.
  • the first indication information includes: second preset indication sub-information and first offset configuration information; wherein the second preset indication sub-information is used to instruct the MTC terminal according to the LTE FDD system
  • the method for determining HARQ PUCCH resources is to determine a first reference PUCCH index value corresponding to a specified PDSCH resource, and determine a target corresponding to each PDSCH resource according to the first reference PUCCH index value and the first offset configuration information PUCCH index information.
  • the first offset configuration information includes: a preset offset value, or a first offset configuration list; the first offset configuration list includes: PDSCH resource timing and preset offset Correspondence between shifts.
  • the designated PDSCH resource is a starting PDSCH resource scheduled by the MPDCCH information.
  • the HARQ PUCCH configuration information includes: a preset HARQ PUCCH resource set and second indication information; wherein the preset HARQ PUCCH resource set includes a preset number of candidate PUCCH resource index values;
  • the second indication information is used to instruct the MTC terminal to determine target PUCCH index information corresponding to each PDSCH resource from the preset HARQ PUCCH resource set according to a resource allocation offset ARO domain in the MPDCCH information.
  • the second indication information includes: a third preset indication sub-information
  • the third preset indicator sub-information is used to instruct the MTC terminal to determine the same target PUCCH index information for each of the PDSCH resources from the preset HARQ PUCCH resource set according to the ARO domain in the MPDCCH information.
  • the second indication information includes: fourth preset indication sub-information and second offset configuration information;
  • the fourth preset indicator sub-information is used to instruct the MTC terminal to determine the second reference PUCCH index information corresponding to the specified PDSCH resource from the preset HARQ PUCCH resource set according to the ARO domain in the MPDCCH information, and according to the The second reference PUCCH index information and the second offset configuration information determine target PUCCH index information corresponding to each of the PDSCH resources.
  • the second offset configuration information includes: a preset offset value, or a second offset configuration list; the second offset configuration list includes: PDSCH resource timing and preset offset Correspondence between shifts.
  • the MPDCCH information includes: an ARO field equal to the PDSCH resource; the second indication information includes: a fifth preset indicator sub-information;
  • the fifth preset indicator sub-information is used to instruct the MTC terminal to determine target PUCCH index information corresponding to each PDSCH resource from the preset HARQ PUCCH resource set according to each ARO domain in the MPDCCH information.
  • the HARQ PUCCH resource configuration information includes: third indication information, where the third indication information is used to instruct the MTC terminal to determine a corresponding one of the PDSCH resources according to the PRB index information of each of the PDSCH resources.
  • Target PUCCH index information is used to instruct the MTC terminal to determine a corresponding one of the PDSCH resources according to the PRB index information of each of the PDSCH resources.
  • the third indication information includes: sixth preset indication sub-information, used to instruct the MTC terminal to determine target PUCCH index information for the current PDSCH resource according to the preset PRB index information of the current PDSCH resource.
  • the third indication information includes: a seventh preset indication sub-information and a third preset offset, and the seventh preset indication sub-information is used to instruct the MTC terminal according to the current prediction of the PDSCH resource.
  • Set PRB index information to determine third reference PUCCH index information corresponding to the current PDSCH resource; and determine a target PUCCH index corresponding to the current PDSCH resource according to the third reference PUCCH index information and the third preset offset information.
  • a non-transitory computer-readable storage medium having computer instructions stored thereon, which, when executed by a processor, implement the steps of any of the methods of the first aspect above.
  • a non-transitory computer-readable storage medium on which computer instructions are stored, and the instructions, when executed by a processor, implement the steps of any of the methods of the second aspect.
  • a terminal including:
  • Memory for storing processor-executable instructions
  • the processor is configured to:
  • a user equipment including:
  • Memory for storing processor-executable instructions
  • the processor is configured to:
  • HARQ PUCCH resource configuration information corresponding to a preset downlink scheduling mode is to schedule at least two physical downlink shared channels PDSCH for one downlink data transmission of an MTC terminal by using one MTC physical downlink control channel MPDCCH information Resources
  • An embodiment of the present disclosure provides a method for transmitting HARQ feedback information.
  • the terminal may be the above-mentioned MPDCCH according to the acquired HARQ PUCCH resource configuration information.
  • the multiple PDSCHs scheduled for information determine the corresponding target PUCCH index information.
  • a new way to determine the target PUCCH resources is implemented in the above-mentioned preset downlink scheduling mode for the MTC FDD system.
  • Multiple PDSCH resources can be accurately determined based on one MPDCCH information.
  • Target PUCCH index information saving system signaling overhead.
  • Fig. 1 is a flowchart of a method for transmitting HARQ feedback information according to an exemplary embodiment of the present disclosure.
  • Fig. 2 is a schematic diagram of an application scenario for transmitting HARQ feedback information according to an exemplary embodiment of the present disclosure.
  • Fig. 3 is a schematic diagram of another application scenario for transmitting HARQ feedback information according to an exemplary embodiment of the present disclosure.
  • Fig. 4 is a flow chart showing another method for transmitting HARQ feedback information according to an exemplary embodiment of the present disclosure.
  • Fig. 5 is a flowchart of another method for transmitting HARQ feedback information according to an exemplary embodiment of the present disclosure.
  • Fig. 6 is a flow chart showing another method for transmitting HARQ feedback information according to an exemplary embodiment of the present disclosure.
  • Fig. 7 is a flowchart of another method for transmitting HARQ feedback information according to an exemplary embodiment of the present disclosure.
  • Fig. 8 is a flow chart showing another method for transmitting HARQ feedback information according to an exemplary embodiment of the present disclosure.
  • Fig. 9 is a flow chart showing another method for transmitting HARQ feedback information according to an exemplary embodiment of the present disclosure.
  • Fig. 10 is a flow chart showing another method for transmitting HARQ feedback information according to an exemplary embodiment of the present disclosure.
  • Fig. 11 is a flow chart showing another method for transmitting HARQ feedback information according to an exemplary embodiment of the present disclosure.
  • Fig. 12 is a flow chart showing another method for transmitting HARQ feedback information according to an exemplary embodiment of the present disclosure.
  • Fig. 13 is a flowchart of a method for transmitting HARQ feedback information according to an exemplary embodiment of the present disclosure.
  • Fig. 14 is a block diagram of a terminal according to an exemplary embodiment of the present disclosure.
  • Fig. 15 is a device block diagram of another terminal according to an exemplary embodiment of the present disclosure.
  • Fig. 16 is a device block diagram of another terminal according to an exemplary embodiment of the present disclosure.
  • Fig. 17 is a device block diagram of another terminal according to an exemplary embodiment of the present disclosure.
  • Fig. 18 is a device block diagram of another terminal according to an exemplary embodiment of the present disclosure.
  • Fig. 19 is a device block diagram of another terminal according to an exemplary embodiment of the present disclosure.
  • Fig. 20 is a device block diagram of another terminal according to an exemplary embodiment of the present disclosure.
  • Fig. 21 is a device block diagram of another terminal according to an exemplary embodiment of the present disclosure.
  • Fig. 22 is a device block diagram of another terminal according to an exemplary embodiment of the present disclosure.
  • Fig. 23 is a device block diagram of another terminal according to an exemplary embodiment of the present disclosure.
  • Fig. 24 is a block diagram of an apparatus for a base station according to an exemplary embodiment of the present disclosure.
  • Fig. 25 is a schematic structural diagram of a terminal according to an exemplary embodiment of the present disclosure.
  • Fig. 26 is a schematic structural diagram of a base station according to an exemplary embodiment of the present disclosure.
  • first, second, third, etc. may be used in this disclosure to describe various information, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
  • first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information.
  • word “if” as used herein can be interpreted as “at” or "when” or "in response to determination”.
  • the HARQ mechanism of the present disclosure will be described first.
  • a wireless communication system due to the time-varying characteristics of the wireless channel and the influence of multipath fading, it will affect the signal transmission and cause data transmission. failure.
  • the wireless communication system introduces the HARQ (Hybrid, Automatic, Repeat, and ReQuest) mechanism.
  • the HARQ feedback information at the receiving end is the acknowledgement signal ACK or the unacknowledgement signal NACK to feedback whether the data is received correctly.
  • the terminal determines whether it is necessary to resend the already sent data packet according to the HARQ feedback information.
  • the present disclosure relates to HARQ feedback on a plurality of downlink TB (Transmission Block) data blocks scheduled by a base station in a 4G network MTC FDD system.
  • the HARQ feedback mechanism of the MTC FDD system of the present disclosure is the same as the 4G LTE (Long Term Evoluttion, Long Term Evolution) system, the time when the PDSCH (Physical Downlink Shared Channel) is HARQ feedback and the PDSCH transmission end There is a timing relationship. For example, 4ms after the PDSCH ends, the designated PUCCH (Physical Uplink Control Channel, physical uplink control channel) resource is used to perform HARQ feedback on the downlink data transmission carried by the TB (Transmission block data block).
  • PUCCH Physical Uplink Control Channel, physical uplink control channel
  • the execution subject involved in the present disclosure includes: a base station and a terminal in an MTC FDD system, where the base station may be a base station, a sub base station, etc. provided with a large-scale antenna array.
  • the terminal may be a user equipment (User Equipment, UE), a user node, a mobile terminal, or a tablet computer.
  • UE User Equipment
  • the base station and the terminal are independent of each other, and at the same time, they are related to each other to jointly implement the technical solution provided by the present disclosure.
  • the present disclosure provides a method for transmitting HARQ feedback information of a hybrid automatic retransmission request, which is applied to a terminal of an MTC FDD system.
  • the method may include the following steps:
  • step 11 the HARQ PUCCH resource configuration information corresponding to the preset downlink scheduling mode is obtained; wherein, the preset downlink scheduling mode is that the base station uses at least one MTC physical downlink control channel MPDCCH information to schedule at least one downlink data transmission of the terminal.
  • the preset downlink scheduling mode is that the base station uses at least one MTC physical downlink control channel MPDCCH information to schedule at least one downlink data transmission of the terminal.
  • FIG. 2 for a schematic diagram of an application scenario for transmitting HARQ feedback information according to an exemplary embodiment.
  • the base station prepares to schedule 3 PDSCH resources for the UE1 through one MPDCCH information, namely PDSCH1, PDSCH2, and PDSCH3, for carrying the above-mentioned downlink data transmission.
  • the terminal needs to determine the corresponding HARQ PUCCH resource configuration information to determine how to perform HARQ feedback for part of the downlink data transmission carried by each PDSCH resource.
  • the HARQ PUCCH resource configuration information may be configuration information specified in a protocol and preset in a terminal.
  • the HARQ PUCCH resource configuration information may be sent by the base station to the terminal.
  • the timing at which the terminal obtains the HARQ PUCCH resource configuration information may include:
  • the terminal accesses the cell network, it is acquired through the system information broadcast by the base station, that is, the base station broadcasts HARQ PUCCH resource configuration information to the terminal. Alternatively, the base station sends the HARQ PUCCH resource configuration information to the terminal in a unicast manner.
  • the base station may determine in advance whether the terminal has obtained the HARQ PUCCH resource configuration information before performing the preset downlink scheduling on the terminal; if not, the base station sends the HARQ PUCCH resource configuration information to the terminal.
  • the terminal may also actively request the base station to deliver the HARQ PUCCH resource configuration information.
  • the disclosure does not limit the manner in which the terminal obtains the HARQ PUCCH resource configuration information.
  • step 12 determining target PUCCH index information corresponding to each PDSCH resource according to the HARQ PUCCH resource configuration information
  • a terminal may determine a HARQ PUCCH index of a PDSCH resource according to an MPDCCH information.
  • This disclosure is different from related technologies in that the terminal needs to determine HARQ PUCCH resource indexes corresponding to multiple PDSCH resources according to one MPDCCH information, that is, target PUCCH index information.
  • target PUCCH index information As shown in FIG. 2 above, in the present disclosure, the terminal needs to determine three target PUCCH index information according to HARQ PUCCH resource configuration information and one MPDCCH information.
  • the terminal needs to pass the PUCCH resource library of the fifth uplink subframe with an interval of 4 ms through the above
  • the HARQ PUCCH resource index finds a PUCCH resource with a preset number, that is, a target PUCCH resource, and the target PUCCH resource is used to carry the HARQ feedback information of the first PDSCH.
  • the corresponding relationship between the three consecutive PDSCH resources scheduled by the MPDCCH and the uplink subframe carrying its HARQ feedback information can be shown in FIG. 3. That is, HARQ feedback information of the PDSCH resources Nos. 1, 2, and 3 is correspondingly carried in the PUCCH resources of the uplink subframes No. 5, 6, and 7, respectively.
  • step 12 may include at least the following three cases:
  • the HARQ PUCCH resource configuration information includes: first indication information, the first indication information is used to instruct the MTC terminal to determine a PUCCH index information as a reference according to the LTE FDD system protocol, and determine each of the PDSCHs Target PUCCH index information corresponding to the resource.
  • step 12 may include:
  • step 1211 a method for determining PUCCH index information in the LTE FDD system protocol is used to determine PUCCH index information of a designated PDSCH resource;
  • the terminal determines target PUCCH index information corresponding to one PDSCH resource according to the first indication information.
  • the PUCCH resource index corresponding to the foregoing PDSCH resource can be derived from three parameters in the following formula:
  • n_PUCCH N_PUCCH + n_CCE + ARO Formula (1)
  • N_PUCCH is the starting position of the PUCCH resource and bears HARQ feedback information configured by higher layer signaling.
  • n_CCE is the lowest CCE (Control Channel Element) index occupied by the MPDCCH that schedules the PDSCH; for example, assuming that the MPDCCH occupies No. 4 to 7 CCEs in the control region (Control Region) of a subframe, the above lowest The CCE index is equal to 4.
  • ARO (Assigned Resource Offset) is a parameter carried by the MPDCCH, which represents the HARQ PUCCH resource offset.
  • the base station may instruct the terminal to calculate one PUCCH resource index information according to the starting PDSCH resource scheduled by the MPDCCH in the first indication information as a reference.
  • the PUCCH index information is determined as the first reference PUCCH index information.
  • the MPDCCH schedules three PDSCH resources, which are expressed as: PDSCH1, PDSCH2, and PDSCH3.
  • the target PUCCH index information corresponding to the PDSCH 1 calculated according to the above formula (1) may be determined as the first reference PUCCH index information.
  • step 1213 target PUCCH index information corresponding to each PDSCH resource is determined according to the first reference PUCCH index information.
  • target index information corresponding to each PDSCH resource may be determined according to the first reference PUCCH index information.
  • step 1213 may include at least two ways:
  • the target PUCCH index information is the same as the first reference PUCCH index information.
  • the first indication information includes: first preset indication sub-information.
  • the first preset indicator sub-information is used to instruct the MTC terminal to use a PUCCH index information determined in the LTE FDD system as target PUCCH index information corresponding to each of the PDSCH resources.
  • the above step 1213 includes: determining the first reference PUCCH index information as target PUCCH index information corresponding to each of the PDSCH resources according to the first preset indicator sub-information.
  • the first reference PUCCH index information is PUCCH resource index information corresponding to the PDSCH1 determined by the terminal according to the foregoing formula (1).
  • the first reference PUCCH index information is 8, that is, in the PUCCH resource library of the 5th subframe, the 8th PUCCH resource is used to carry the HARQ information of the PDSCH 1 described above.
  • the above-mentioned PUCCH resource library is carried in the control region Uc of the No. 5 uplink subframe, and includes multiple PUCCH resources.
  • the target PUCCH resource index information is the number of the target PUCCH resource in the PUCCH resource database, and the target PUCCH resource is used to carry HARQ feedback information.
  • the PUCCH resource library of a subframe includes the number of PUCCH resources. According to relevant knowledge, the number of PUCCH resources contained in the PUCCH resource library may be different for different uplink subframes. The number of each PUCCH resource is based on the configuration of the current subframe. Information.
  • the target PUCCH index information corresponding to PDSCH 2 and PDSCH 3 are also 8 respectively.
  • the correspondence between the PDSCH resource identifier, the uplink subframe carrying HARQ information, and the target PUCCH index information can be shown in Table 1 below:
  • the terminal may calculate a designated PDSCH resource such as the initial PDSCH resource according to the MPDCCH information in the manner of calculating PUCCH resource index information of a PDSCH resource in the original LTE FDD system.
  • the PUCCH resource index information is used as a reference, and the target PUCCH index information of each PDSCH resource scheduled by the MPDCCH is determined as the above reference PUCCH index information, which reduces the calculation amount of the terminal and saves system signaling overhead.
  • Method 2 There is an offset between the target PUCCH index information corresponding to each PDSCH resource
  • the first indication information may include: second preset indication sub-information and first offset configuration information;
  • the second preset indicator sub-information is used to instruct the MTC terminal to determine a first reference PUCCH index value corresponding to a specified PDSCH in a manner of determining HARQ PUCCH resources in the LTE FDD system, and according to the first reference PUCCH
  • the index value and the first preset offset determine target PUCCH index information corresponding to each of the PDSCH resources.
  • the terminal may acquire the second preset indicator sub-information and the first offset configuration information at the same time.
  • the first offset configuration information may be predetermined by the system, or the base station sends the second preset indicator sub-information to the terminal through PDCCH signaling, high-level signaling such as RRC signaling.
  • PDCCH signaling high-level signaling such as RRC signaling.
  • RRC signaling high-level signaling
  • step 1213 includes:
  • the implementation of the foregoing manner 2 may include two cases:
  • the first offset configuration information includes: a preset offset value
  • step 1213 may include:
  • a target offset value corresponding to each PDSCH resource is determined according to a timing of each PDSCH resource and the preset offset value, and the target offset value is a value of the preset offset value.
  • the timing of each of the PDSCH resources is the ordering of each PDSCH resource scheduled by the MPDCCH in the time domain.
  • PDSCH1, PDSCH2, and PDSCH3 represent the first PDSCH resource and the second PDSCH scheduled by the MPDCCH, respectively Resource, the third PDSCH resource. That is, the timing of each PDSCH resource is sequentially expressed as: 1, 2, 3.
  • the target offset value corresponding to the PDSCH resource scheduled by the MPDCCH with a timing of n may be expressed as: (n-1) X.
  • PDSCH resource identification Timing of PDSCH resources Target offset PDSCH1 1 0 PDSCH 2 2 2 PDSCH 3 3 4
  • step 1202 target PUCCH index information corresponding to each of the PDSCH resources is determined according to the first reference PUCCH index information and the target offset value.
  • the first reference PUCCH index information is the PUCCH resource index information corresponding to the PDSCH1 determined by the terminal according to the above formula (1). Assuming that the first reference PUCCH index information is 8, according to the second preset indicator sub-information, the target PUCCH index information corresponding to PDSCH 2 and PDSCH 3 are 10 and 12, respectively.
  • the correspondence between the PDSCH resource identifier, the uplink subframe carrying the HARQ information, and the target PUCCH index information may be as shown in Table 3 below:
  • the first offset configuration information includes: a preset offset corresponding to a PDSCH resource timing
  • the system may be configured with different preset offsets for PDSCH resources scheduled at different timings.
  • the terminal may represent the obtained first offset configuration information as a first offset configuration list, and the first offset configuration list may include: PDSCH resource timing and a preset offset
  • Table 4 The corresponding relationship is exemplary, as shown in Table 4:
  • step 1213 may include:
  • step 1203 the first offset configuration list is queried according to the timing of the current PDSCH resource to determine a target offset corresponding to the timing of the current PDSCH resource;
  • the timing of the current PDSCH resources refers to the order in which the current PDSCH resources are scheduled in the time domain as indicated in the MPDCCH information.
  • the timing of PDSCH 1 is 1.
  • the target offset corresponding to PDSCH1 is X1.
  • the target PUCCH index information corresponding to the current PDSCH resource is determined according to the first reference PUCCH index information and the target offset.
  • the target PUCCH index information corresponding to PDSCH1, PDSCH2, and PDSCH3 is 8 + X1, 8 + X2, 8 + X3.
  • the correspondence between the PDSCH resource identifier, the uplink subframe carrying HARQ information, and the target PUCCH index information may be as shown in Table 5 below:
  • the system can designate preset offsets for different PDSCH resources scheduled by one MPDCCH information in order in order to realize flexible configuration of HARQ PUCCH resources in the preset downlink scheduling mode.
  • the HARQ PUCCH resource configuration information obtained by the terminal includes: a preset HARQPUCCH resource set and second indication information; wherein the preset HARQ PUCCH resource set includes a preset number of candidate PUCCH resource index values; the The second indication information is used to instruct the terminal to determine target PUCCH index information corresponding to each PDSCH resource from the preset HARQ PUCCH resource set according to a resource allocation offset ARO domain in the MPDCCH information.
  • the above step 12 specifically includes: determining a target PUCCH corresponding to each PDSCH resource from the preset HARQ PUCCH resource set according to the second indication information and an ARO domain in the MPDCCH information resource allocation offset Index information.
  • the implementation of step 12 above may include at least the following two implementations:
  • Embodiment 1 If the MPDCCH information includes one of the ARO domains;
  • step 12 may include:
  • the second reference PUCCH index information is selected from the preset HARQ PUCCH resource set according to the ARO domain;
  • the terminal may select an PUCCH index value from a preset HARQ PUCCH resource set by using an ARO domain of MPDCCH information according to the second indication information, and the reference PUCCH index information may be referred to as the second Refer to PUCCH index information.
  • the preset HARQ PUCCH resource set is: ⁇ R1, R2, R3, R4 ⁇ , where each optional PUCCH resource index value in the set is determined by the base station or the system.
  • the terminal may select an index value such as R2 from the preset HARQ PUCCH resource set as the second reference PUCCH index information.
  • step 1222 target PUCCH index information corresponding to each of the PDSCH resources is determined according to the second reference PUCCH index information.
  • the terminal may determine the target index information corresponding to each PDSCH resource in the following two ways.
  • the above-mentioned second indication information includes: third preset indication sub-information.
  • the third preset indicator sub-information is used to instruct the MTC terminal to determine the same target PUCCH index information for each of the PDSCH resources from the preset HARQPUCCH resource set according to the ARO domain in the MPDCCH information.
  • the above step 1222 includes: determining the second reference PUCCH index information as target PUCCH index information corresponding to each of the PDSCH resources.
  • the target PUCCH index information of PDSCH1, PDSCH2, and PDSCH3 are all R2.
  • the correspondence between the PDSCH resource identifier, the uplink subframe carrying the HARQ information, and the target PUCCH index information can be shown in Table 6 below:
  • the above-mentioned second indication information may include: fourth preset indication sub-information and second offset configuration information.
  • the fourth preset indicator sub-information is used to instruct the MTC terminal to determine the second reference PUCCH index information corresponding to the specified PDSCH resource from the preset HARQ PUCCH resource set according to the ARO domain in the MPDCCH information, And determining target PUCCH index information corresponding to each of the PDSCH resources according to the second reference PUCCH index information and the second offset configuration information.
  • step 1222 may include:
  • step 1222 in the embodiment of the present disclosure may also include two cases.
  • the above-mentioned second offset configuration information includes: a preset offset value.
  • the foregoing step 1222 may include:
  • a target offset value corresponding to each PDSCH resource is determined according to the timing of each PDSCH resource and the preset offset value, and the target offset value is a value of the preset offset value.
  • step 1206 the target PUCCH index information corresponding to each of the PDSCH resources is determined according to the second reference PUCCH index information and the target offset value.
  • the embodiment of the present disclosure is similar to the embodiment shown in FIG. 5 above, except that the determination method of the reference PUCCH index information is different. Therefore, the specific implementation process may refer to the embodiment shown in FIG.
  • the terminal may indicate the determined second offset configuration information as a second offset configuration list, where the second offset configuration list includes a correspondence relationship between a PDSCH resource timing and a preset offset.
  • the foregoing step 1222 may include:
  • step 1207 the second offset configuration list is queried according to the timing of the current PDSCH resource to determine a target offset corresponding to the timing of the current PDSCH resource;
  • target PUCCH index information corresponding to the current PDSCH resource is determined according to the second reference PUCCH index information and the target offset.
  • the embodiment of the present disclosure is similar to the embodiment shown in FIG. 6 above, except that the determination method of the reference PUCCH index information is different. Therefore, the specific implementation process may refer to the embodiment shown in FIG.
  • Embodiment 2 If the MPDCCH information includes: an ARO field equal to the PDSCH resource, the second indication information includes: fifth preset indicator sub-information.
  • the fifth preset indicator sub-information is used to instruct the MTC terminal to determine target PUCCH index information corresponding to each PDSCH resource from the preset HARQ PUCCH resource set according to each ARO domain in the MPDCCH information.
  • step 12 may include:
  • a target ARO domain corresponding to the current PDSCH resource is determined according to the fifth preset indicator sub-information
  • ARO domains with the same number of scheduled PDSCH resources are set in the MPDCCH information.
  • the terminal may determine the target ARO domain corresponding to each PDSCH resource according to the timing of the PDSCH resources. Exemplarily, it is assumed that the base station informs the terminal in advance that the correspondence between the ARO domain and the PDSCH resource timing in the MPDCCH information is shown in Table VII:
  • the timing is 1, and it can be known from the lookup table 7 that the first ARO domain in the MPDCCH information is the target ARO domain corresponding to PDSCH 1.
  • the target ARO field is used to instruct the terminal how to determine target PUCCH index information corresponding to PDSCH 1 from a preset HARQ PUCCH resource set.
  • step 1224 target PUCCH index information corresponding to the current PDSCH resource is determined from the preset HARQ PUCCH resource set according to the target ARO domain.
  • the terminal After the terminal determines a target ARO domain for a PDSCH resource, it may select an index value from the preset HARQ PUCCH resource set according to the instruction of the target ARO domain to determine the target PUCCH index information of the current PDSCH resource.
  • the terminal may determine corresponding target PUCCH index information from a preset HARQ PUCCH resource set for each PDSCH resource scheduled for one MPDCCH information according to the above method.
  • the target PUCCH index information determined by the terminal for each PDSCH resource according to the above method is: R1, R2, R3. Then, in the embodiment of the present disclosure, the correspondence between the PDSCH resource, the ARO domain, the uplink subframe where the target PUCCH resource is located, and the target PUCCH index information can be shown in Table 8:
  • PDSCH resource identification Target ARO domain Uplink subframe identification Target PUCCH index information PDSCH1 First ARO domain Subframe 5 R1 PDSCH 2 Second ARO domain Subframe 6 R2 PDSCH 3 Third ARO domain Subframe 7 R3
  • the terminal can quickly determine a target PUCCH index information from a preset HARQ PUCCH resource set for different PDSCH resources scheduled by the terminal according to multiple ARO domains set in MPDCCH information, which can reduce the calculation amount of the terminal and improve the target Determination efficiency of PUCCH index information.
  • the HARQ PUCCH configuration information acquired by the terminal may include: third indication information.
  • the third indication information is used to instruct the MTC terminal to determine target PUCCH index information corresponding to each PDSCH resource according to PRB index information of each PDSCH resource.
  • the above step 12 may specifically include: determining, according to the third indication information, target PUCCH index information corresponding to each PDSCH resource according to PRB index information of a physical resource block of each PDSCH resource.
  • the content of the third indication information is also different. Accordingly, the above step 12 may include the following two implementation manners.
  • the third indication information includes: a sixth preset indication sub-information, which is used to instruct the MTC terminal to be the current PDSCH according to the preset PRB index information of the current PDSCH resource The resource determines the target PUCCH index information.
  • step 12 may include:
  • step 1231 a physical resource block PRB index range of the current PDSCH resource is determined
  • the terminal may determine index information of PRB occupied by a PDSCH resource in a system bandwidth or an MTC narrowband channel according to a related technology such as a scheduling instruction in an MPDCCH.
  • step 1232 the sum of the preset PRB index value of the current PDSCH resource and the starting position information of the preset HRAQ PUCCH resource is determined as the current PDSCH resource according to the sixth preset indicator sub-information.
  • Target PUCCH index information is determined as the current PDSCH resource according to the sixth preset indicator sub-information.
  • the sixth preset indication sub-information may include information such as preset PRB index information, preset HRAQ PUCCH resource start position, and other information.
  • the terminal can calculate the target PUCCH index information corresponding to a PDSCH resource according to the following formula:
  • n_PUCCH n_PRB + N_PUCCH Formula (2)
  • n_PUCCH represents index information of a target PUCCH resource of a PDSCH resource in a PUCCH resource library of a target uplink subframe
  • n_PRB is PRB index information related to the current PDSCH resource, that is, the above-mentioned preset PRB index information.
  • the preset PRB index information may be the lowest PRB index information, the highest PRB index information, or a specified PRB index information of the PDSCH.
  • N_PUCCH is the starting position of the HARQ PUCCH resource. This parameter can be delivered to the terminal by the base station through high-level signaling.
  • the terminal may determine the target PUCCH index information corresponding to each PDSCH resource scheduled by an MPDCCH according to the index information of the PRB (Physical resource block) occupied by the PDSCH resources.
  • PRB Physical resource block
  • the third indication information may include: a seventh preset indication sub-information and a third preset offset, where the seventh preset indication sub-information is used to instruct the MTC terminal according to the prediction of the current PDSCH resource.
  • Set PRB index information to determine third reference PUCCH index information corresponding to the current PDSCH resource; and determine a target PUCCH index corresponding to the current PDSCH resource according to the third reference PUCCH index information and the third preset offset information.
  • step 12 may include:
  • step 1233 a physical resource block PRB index range of the current PDSCH resource is determined
  • step 1234 according to the seventh preset indicator sub-information, the sum of the preset PRB index value of the current PDSCH resource and the starting position information of the preset HRAQ PUCCH resource is determined to correspond to the current PDSCH resource.
  • step 1235 target PUCCH index information of the current PDSCH resource is determined according to the third reference PUCCH index information and the third preset offset.
  • the above steps 1233 and 1234 are similar to the above steps 1231 and 1232, except that in the embodiment of the present disclosure, the PUCCH resource index information determined in step 1234 is used as the reference PUCCH index information, that is, the third Refer to PUCCH index information. Further, the target PUCCH index information corresponding to one PDSCH resource is determined according to the third reference PUCCH index information and a third preset offset preset by the system or the base station.
  • the process of determining the target PUCCH index information may be as shown in the following formula (3):
  • n_PUCCH n_PRB + N_PUCCH + offset Equation (3)
  • the offset indicates the third preset offset, which can be delivered by the base station to the terminal through higher layer signaling such as RRC signaling or PDCCH signaling.
  • the embodiment of the present disclosure is applicable to a case where the target PUCCH resource determined according to the above formula (2) is not suitable for transmitting HRAQ feedback information. For example, if there are many resource fragments in the PUCCH resource described above, the base station instructs the terminal to shift the offset by a preset offset The PUCCH resource is determined as the target PUCCH resource.
  • the base station may determine corresponding target PUCCH index information for each PDSCH resource scheduled by the MPDCCH according to any of the foregoing situations according to the acquired HARQ PUCCH configuration information.
  • step 13 the HARQ feedback information of downlink data transmission carried by each PDSCH resource is loaded into a target PUCCH resource corresponding to the target PUCCH index information and sent to the base station.
  • the terminal After the system completes downlink data transmission carried by a PDSCH resource, the terminal generates corresponding HARQ feedback information, that is, an ACK signal or a HACK signal, according to whether the received data is correct, and records the HARQ feedback information in the target indicated by the target PUCCH index information.
  • the PUCCH resource is sent to the base station, so that the base station determines whether to retransmit the downlink data carried by the PDSCH according to the received HARQ feedback information.
  • a terminal in an MTC FDD system can determine target PUCCH index information of multiple PDSCH resources scheduled by the MPDCCH according to HARQ PUCCH configuration information and one MPDCCH information, which can effectively improve the determination efficiency of target PUCCH index information .
  • the base station in the MTC FDD system can implement scheduling of multiple PDSCH resources through one MPDCCH, avoiding sending one PDCCH information for each PDSCH resource, and effectively saving signaling overhead.
  • the present disclosure also provides a method for transmitting HARQ feedback information of a hybrid automatic retransmission request, which is applied to a base station of an MTC FDD system.
  • the method may include the following steps:
  • HARQ PUCCH resource configuration information corresponding to a preset downlink scheduling mode is determined; wherein, the preset downlink scheduling mode is to schedule at least two downlink data transmission schedules for one MTC terminal by using one MTC physical downlink control channel MPDCCH information.
  • the HARQ PUCCH resource configuration information determined by the base station corresponds to the HARQ PUCCH resource configuration information obtained by the foregoing terminal embodiment.
  • the HARQ PUCCH resource configuration information may include: first indication information, the first indication information is used to instruct the MTC terminal to determine a PUCCH index information as a reference according to the LTE FDD system protocol, and determine Target PUCCH index information corresponding to each of the PDSCH resources.
  • the first indication information may include: second preset indication sub-information and first offset configuration information; wherein the second preset indication sub-information is used to instruct the MTC terminal to In the LTE FDD system, a manner of determining HARQ and PUCCH resources is to determine a first reference PUCCH index value corresponding to a specified PDSCH resource, and to determine each of the PDSCH resources according to the first reference PUCCH index value and the first offset configuration information.
  • the specified PDSCH resource may be a starting PDSCH resource scheduled by the MPDCCH information.
  • the first offset configuration information may include: a preset offset value, or a first offset configuration list; the first offset configuration list includes: a PDSCH resource timing and a preset offset Correspondence.
  • the HARQ PUCCH configuration information may include: a preset HARQ PUCCH resource set and second indication information; wherein the preset HARQ PUCCH resource set includes a preset number of candidate PUCCH resource indexes value;
  • the second indication information is used to instruct the MTC terminal to determine target PUCCH index information corresponding to each PDSCH resource from the preset HARQ PUCCH resource set according to a resource allocation offset ARO domain in the MPDCCH information.
  • the second indication information may include: a third preset indication sub-information
  • the third preset indicator sub-information is used to instruct the MTC terminal to determine the same target PUCCH index information for each of the PDSCH resources from the preset HARQ PUCCH resource set according to the ARO domain in the MPDCCH information.
  • the second indication information may include: fourth preset indication sub-information and second offset configuration information;
  • the fourth preset indicator sub-information is used to instruct the MTC terminal to determine the second reference PUCCH index information corresponding to the specified PDSCH resource from the preset HARQ PUCCH resource set according to the ARO domain in the MPDCCH information, and according to the The second reference PUCCH index information and the second offset configuration information determine target PUCCH index information corresponding to each of the PDSCH resources.
  • the second offset configuration information may include: a preset offset value, or a second offset configuration list; the second offset configuration list includes: PDSCH resource timing and a preset offset The corresponding relationship of the quantity.
  • the above-mentioned MPDCCH information may be provided with ARO domains of the same number as the PDSCH resources.
  • the second indication information includes: fifth preset indication sub-information;
  • the fifth preset indicator sub-information is used to instruct the MTC terminal to determine target PUCCH index information corresponding to each PDSCH resource from the preset HARQ PUCCH resource set according to each ARO domain in the MPDCCH information.
  • the HARQ PUCCH resource configuration information may include: third indication information, where the third indication information is used to instruct the MTC terminal to determine each according to the PRB index information of each PDSCH resource Target PUCCH index information corresponding to the PDSCH resource.
  • the third indication information may include: sixth preset indication sub-information, used to instruct the MTC terminal to determine a target for the current PDSCH resource according to the preset PRB index information of the current PDSCH resource PUCCH index information.
  • the third indication information may include: a seventh preset indication sub-information and a third preset offset, the seventh preset indication sub-information is used to instruct the MTC terminal Determine third reference PUCCH index information corresponding to the current PDSCH resource according to preset PRB index information of the current PDSCH resource; and determine the current PDSCH according to the third reference PUCCH index information and the third preset offset Target PUCCH index information corresponding to the resource.
  • the HARQ PUCCH resource configuration information is sent to the MTC terminal, so that the MTC terminal determines a target physical uplink control channel PUCCH according to the HARQ PUCCH resource configuration information in the preset downlink scheduling mode. Resources and load the HARQ feedback information of the downlink data transmission into the target PUCCH resource and feed it back to the base station.
  • the base station may send the HARQ PUCCH resource configuration information to the terminal through broadcast signaling, high-level signaling, and physical layer signaling.
  • the above-mentioned high-level signaling may be RRC (Radio Resource Control) signaling, MAC (Medium Access Control) (CE) signaling, or the like.
  • the present disclosure also provides embodiments of an application function implementation device and a corresponding terminal.
  • the terminal may include:
  • the configuration information determining module 31 is configured to obtain HARC physical uplink control channel PUCCH resource configuration information corresponding to a preset downlink scheduling mode, wherein the preset downlink scheduling mode is that the base station uses one MTC physical downlink control channel MPDCCH information for the One downlink data transmission of the terminal schedules at least two physical downlink shared channel PDSCH resources;
  • the index information determination module 32 is configured to determine target PUCCH index information corresponding to each of the PDSCH resources according to the HARQ PUCCH resource configuration information;
  • the HARQ feedback module 33 is configured to load HARQ feedback information of downlink data transmission carried by each PDSCH resource into a target PUCCH resource corresponding to the target PUCCH index information and send it to the base station.
  • the HARQ PUCCH resource configuration information determined by the configuration information determination module 31 includes: first indication information, the first indication information is used to instruct the MTC terminal to determine according to an LTE FDD system protocol Determining a target PUCCH index information corresponding to each PDSCH resource by using one PUCCH index information as a reference;
  • the index information determination module 32 may include:
  • the information determining sub-module 321 is configured to determine a PUCCH index information of a specified PDSCH resource according to a method for determining PUCCH index information in an LTE FDD system protocol;
  • a first reference index determination sub-module 322 configured to determine the PUCCH index information as the first reference PUCCH index information
  • the first target index determination submodule 323 is configured to determine target PUCCH index information corresponding to each of the PDSCH resources according to the first reference PUCCH index information.
  • the first indication information includes: first preset indication sub-information
  • the first target index determination sub-module 323 may be configured to determine the first reference PUCCH index information as target PUCCH index information corresponding to each of the PDSCH resources according to the first preset indicator sub-information.
  • the first indication information determined by the configuration information determination module 31 may include: second preset indication sub-information and first offset configuration information;
  • the first target index determination submodule 323 may be configured to determine each of the first target index information according to the second preset indicator subinformation, and the first reference PUCCH index information and the first offset configuration information. Target PUCCH index information corresponding to PDSCH resources.
  • the first offset configuration information may include: a preset offset value
  • the first target index determination submodule 323 may include:
  • the offset value determining unit 3231 is configured to determine a target offset value corresponding to each PDSCH resource according to a timing of each PDSCH resource and the preset offset value, where the target offset value is the preset value. Set the integer multiple of the offset value;
  • the first target index determining unit 3232 is configured to determine target PUCCH index information corresponding to each of the PDSCH resources according to the first reference PUCCH index information and the target offset value.
  • the first offset configuration information may include: a first offset configuration list; the first offset configuration list includes: PDSCH resource timing and a preset offset Corresponding relationship
  • the first target index determination submodule 323 may include:
  • a first querying unit 3233 configured to query the first offset configuration list according to the timing of the current PDSCH resource, and determine a target offset corresponding to the current PDSCH resource timing;
  • a second target index determining unit 3234 is configured to determine, according to the first reference PUCCH index information and the target offset, target PUCCH index information corresponding to the current PDSCH resource.
  • the HARQ PUCCH configuration information determined by the configuration information determination module 31 may include: a preset HARQ PUCCH resource set and second indication information; wherein the preset HARQ PUCCH resource set includes a preset Set the number of PUCCH resource index values to be selected;
  • the index information determining module 32 may be configured to determine, according to the second indication information, an ARO domain according to a resource allocation offset in the MPDCCH information from the preset HARQ PUCCH resource set and corresponding to each PDSCH resource Target PUCCH index information.
  • the MPDCCH information includes one of the ARO domains
  • the index information determination module 32 may include:
  • a second reference index determining sub-module 3221 configured to select second reference PUCCH index information from the preset HARQ PUCCH resource set according to the ARO domain;
  • the second target index determination submodule 3222 is configured to determine target PUCCH index information corresponding to each of the PDSCH resources according to the second reference PUCCH index information.
  • the second indication information may include: a third preset indication sub-information
  • the second target index determination sub-module 3222 may be configured to determine the second reference PUCCH index information as target PUCCH index information corresponding to each of the PDSCH resources according to the third preset indicator sub-information.
  • the second indication information includes: fourth preset indication sub-information and second offset configuration information;
  • the second target index determination submodule 3222 may be configured to determine target PUCCH index information corresponding to each of the PDSCH resources according to the second reference PUCCH index information and the second offset configuration information.
  • the second offset configuration information may include: a preset offset value
  • the second target index determination submodule 3222 may include:
  • An offset value determining unit 3201 is configured to determine a target offset value corresponding to each PDSCH resource according to a timing of each of the PDSCH resources and the preset offset value, where the target offset value is the preset value. Set the integer multiple of the offset value;
  • a third target index determining unit 3202 is configured to determine target PUCCH index information corresponding to each of the PDSCH resources according to the second reference PUCCH index information and the target offset value.
  • the second offset configuration information may include: a second offset configuration list; the second offset configuration list includes: PDSCH resource timing and a preset offset Corresponding relationship
  • the second target index determination submodule 3222 may include:
  • a second querying unit 3203 is configured to query the second offset configuration list according to the timing of the current PDSCH resource, and determine a target offset corresponding to the timing of the current PDSCH resource;
  • a fourth target index determining unit 3204 is configured to determine target PUCCH index information corresponding to the current PDSCH resource according to the second reference PUCCH index information and the target offset.
  • the MPDCCH information may include: an ARO field equal to the PDSCH resource; the second indication information includes: a fifth preset indication sub-information;
  • the index information determination module 32 may include:
  • ARO domain determination submodule 3223 is configured to determine a target ARO domain corresponding to the current PDSCH resource according to the fifth preset indicator sub-information;
  • a third target index determination sub-module 3224 is configured to determine target PUCCH index information corresponding to the current PDSCH resource from the preset HARQ PUCCH resource set according to the target ARO domain.
  • the HARQ PUCCH configuration information may include: third indication information;
  • the index information determining module 32 is configured to determine target PUCCH index information corresponding to each of the PDSCH resources according to the third indication information and according to the PRB index information of the physical resource block of each of the PDSCH resources.
  • the third indication information may include: sixth preset indication sub-information
  • the index information determination module 32 may include:
  • a PRB index determination submodule 3241 configured to determine a PRB index range of a physical resource block of a current PDSCH resource
  • the first target index calculation submodule 3242 is configured to determine a sum of a preset PRB index value of the current PDSCH resource and a start position information of a preset HRAQ PUCCH resource according to the sixth preset indicator sub-information. Index information of the target PUCCH of the current PDSCH resource.
  • the third indication information includes: seventh preset indication sub-information and a third preset offset
  • the index information determination module 32 may include:
  • a PRB index determination submodule 3241 configured to determine a PRB index range of a physical resource block of a current PDSCH resource
  • a third reference index determining submodule 3243 is configured to determine a sum of a preset PRB index value of the current PDSCH resource and a starting position information of a preset HRAQ PUCCH resource according to the seventh preset indicator sub-information.
  • the second target index calculation submodule 3244 is configured to determine target PUCCH index information of the current PDSCH resource according to the third reference PUCCH index information and the third preset offset.
  • the present disclosure also provides a base station transmitting HARQ feedback information of a hybrid automatic retransmission request, which is applied to a machine type communication MTC frequency division duplex FDD system. See FIG. 24 for a base station according to an exemplary embodiment.
  • the base station may include:
  • the configuration information determining module 41 is configured to determine HARQ PUCCH resource configuration information corresponding to a preset downlink scheduling mode.
  • the preset downlink scheduling mode is to use one MTC physical downlink control channel MPDCCH information for one downlink data transmission of an MTC terminal. Scheduling at least two physical downlink shared channel PDSCH resources;
  • the configuration information sending module 42 is configured to send the HARQ PUCCH resource configuration information to the MTC terminal, so that the MTC terminal determines a target physical based on the HARQ PUCCH resource configuration information in the preset downlink scheduling mode. Loading an uplink control channel PUCCH resource and loading HARQ feedback information of the downlink data transmission into the target PUCCH resource, and feeding it back to the base station.
  • the HARQ PUCCH resource configuration information determined by the configuration information determination module 41 may include: first indication information, where the first indication information is used to instruct the MTC terminal according to the LTE FDD system protocol Determine one PUCCH index information as a reference, and determine target PUCCH index information corresponding to each of the PDSCH resources.
  • the first indication information may include: first preset indication sub-information
  • the first preset indicator sub-information is used to instruct the MTC terminal to use a PUCCH index information determined in the LTE FDD system as target PUCCH index information corresponding to each of the PDSCH resources.
  • the first indication information may include: second preset indication sub-information and first offset configuration information; wherein the second preset indication sub-information is used to indicate all
  • the MTC terminal determines a first reference PUCCH index value corresponding to a specified PDSCH resource in a manner of determining HARQ and PUCCH resources in the LTE FDD system, and determines each according to the first reference PUCCH index value and the first offset configuration information.
  • Target PUCCH index information corresponding to the PDSCH resource may include: second preset indication sub-information and first offset configuration information; wherein the second preset indication sub-information is used to indicate all
  • the MTC terminal determines a first reference PUCCH index value corresponding to a specified PDSCH resource in a manner of determining HARQ and PUCCH resources in the LTE FDD system, and determines each according to the first reference PUCCH index value and the first offset configuration information.
  • Target PUCCH index information corresponding to the PDSCH resource may include: second preset indication sub-information and first offset configuration
  • the first offset configuration information may include: a preset offset value, or a first offset configuration list; the first offset configuration list includes: Correspondence between PDSCH resource timing and preset offset.
  • the designated PDSCH resource is a starting PDSCH resource scheduled by the MPDCCH information.
  • the HARQ PUCCH configuration information determined by the configuration information determination module 41 includes: a preset HARQ PUCCH resource set and second indication information; wherein the preset HARQ PUCCH resource set includes a preset The number of PUCCH resource index values to be selected;
  • the second indication information is used to instruct the MTC terminal to determine target PUCCH index information corresponding to each PDSCH resource from the preset HARQ PUCCH resource set according to a resource allocation offset ARO domain in the MPDCCH information.
  • the second indication information may include: third preset indication sub-information
  • the third preset indicator sub-information is used to instruct the MTC terminal to determine the same target PUCCH index information for each of the PDSCH resources from the preset HARQ PUCCH resource set according to the ARO domain in the MPDCCH information.
  • the second indication information may include: fourth preset indication sub-information and second offset configuration information;
  • the fourth preset indicator sub-information is used to instruct the MTC terminal to determine the second reference PUCCH index information corresponding to the specified PDSCH resource from the preset HARQ PUCCH resource set according to the ARO domain in the MPDCCH information, and according to the The second reference PUCCH index information and the second offset configuration information determine target PUCCH index information corresponding to each of the PDSCH resources.
  • the second offset configuration information may include: a preset offset value, or a second offset configuration list; the second offset configuration list includes: Correspondence between PDSCH resource timing and preset offset.
  • the MPDCCH information may include: an ARO field equal to the number of the PDSCH resources; the second indication information includes: a fifth preset indication sub-information;
  • the fifth preset indicator sub-information is used to instruct the MTC terminal to determine target PUCCH index information corresponding to each PDSCH resource from the preset HARQ PUCCH resource set according to each ARO domain in the MPDCCH information.
  • the HARQ PUCCH resource configuration information determined by the configuration information determination module 41 may include: third instruction information, where the third instruction information is used to instruct the MTC terminal according to each of the The PRB index information of the PDSCH resource determines target PUCCH index information corresponding to each of the PDSCH resources.
  • the third indication information may include: sixth preset indication sub-information, used to instruct the MTC terminal to be the current PDSCH resource according to the preset PRB index information of the current PDSCH resource Determine the target PUCCH index information.
  • the third indication information may include: a seventh preset indication sub-information and a third preset offset, the seventh preset indication sub-information is used to indicate the MTC
  • the terminal determines the third reference PUCCH index information corresponding to the current PDSCH resource according to the preset PRB index information of the current PDSCH resource; and determines the current based on the third reference PUCCH index information and the third preset offset Target PUCCH index information corresponding to PDSCH resources.
  • the relevant part may refer to the description of the method embodiment.
  • the device embodiments described above are only schematic, in which the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, may be located in one Place, or can be distributed across multiple network elements. Some or all of the modules can be selected according to actual needs to achieve the objectives of the solution of the present disclosure. Those of ordinary skill in the art can understand and implement without creative efforts.
  • a terminal including:
  • Memory for storing processor-executable instructions
  • the processor is configured to:
  • a base station including:
  • Memory for storing processor-executable instructions
  • the processor is configured to:
  • HARQ PUCCH resource configuration information corresponding to a preset downlink scheduling mode is to schedule at least two physical downlink shared channels PDSCH for one downlink data transmission of an MTC terminal by using one MTC physical downlink control channel MPDCCH information Resources
  • Fig. 25 is a schematic structural diagram of a terminal 2500 according to an exemplary embodiment.
  • the terminal 2500 may be a user device, which may specifically be a mobile phone, a computer, a digital broadcasting terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, a wearable device such as a smart watch, a smart device, etc. Glasses, smart bracelets, smart running shoes, etc.
  • the terminal 2500 may include one or more of the following components: a processing component 2502, a memory 2504, a power component 2506, a multimedia component 2508, an audio component 2510, an input / output (I / O) interface 2512, a sensor component 2514, And communication component 2516.
  • the processing component 2502 generally controls overall operations of the terminal 2500, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations.
  • the processing component 2502 may include one or more processors 2520 to execute instructions to complete all or part of the steps of the method described above.
  • the processing component 2502 may include one or more modules to facilitate the interaction between the processing component 2502 and other components.
  • the processing component 2502 may include a multimedia module to facilitate the interaction between the multimedia component 2508 and the processing component 2502.
  • the memory 2504 is configured to store various types of data to support operations on the terminal 2500. Examples of such data include instructions for any application or method for operating on the terminal 2500, contact data, phone book data, messages, pictures, videos, etc.
  • the memory 2504 can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), Programming read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic disk or optical disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read-only memory
  • EPROM Programming read-only memory
  • PROM programmable read-only memory
  • ROM read-only memory
  • magnetic memory flash memory
  • flash memory magnetic disk or optical disk.
  • the power supply component 2506 provides power to various components of the terminal 2500.
  • the power component 2506 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for the terminal 2500.
  • the multimedia component 2508 includes a screen that provides an output interface between the terminal 2500 and the user.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user.
  • the touch panel includes one or more touch sensors to sense touch, swipe, and gestures on the touch panel. The above-mentioned touch sensor can not only sense the boundary of a touch or sliding action, but also detect duration and pressure related to the above-mentioned touch or sliding operation.
  • the multimedia component 2508 includes a front camera and / or a rear camera. When the device 2500 is in an operation mode, such as a shooting mode or a video mode, the front camera and / or the rear camera can receive external multimedia data. Each front camera and rear camera can be a fixed optical lens system or have focal length and optical zoom capabilities.
  • the audio component 2510 is configured to output and / or input audio signals.
  • the audio component 2510 includes a microphone (MIC).
  • the microphone is configured to receive an external audio signal.
  • the received audio signal may be further stored in the memory 2504 or transmitted via the communication component 2516.
  • the audio component 2510 further includes a speaker for outputting audio signals.
  • the I / O interface 2512 provides an interface between the processing component 2502 and a peripheral interface module.
  • the peripheral interface module may be a keyboard, a click wheel, a button, or the like. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.
  • the sensor component 2514 includes one or more sensors for providing the terminal 2500 with a status assessment of various aspects.
  • the sensor component 2514 can detect the on / off state of the device 2500 and the relative positioning of the components.
  • the above components are the display and keypad of the terminal 2500.
  • the sensor component 2514 can also detect the change in the position of the terminal 2500 or a component of the terminal 2500. The presence or absence of the user's contact with the terminal 2500, the orientation or acceleration / deceleration of the terminal 2500, and the temperature change of the terminal 2500.
  • the sensor assembly 2514 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
  • the sensor component 2514 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor component 2514 may further include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • the communication component 2516 is configured to facilitate wired or wireless communication between the terminal 2500 and other devices.
  • the terminal 2500 can access a wireless network based on a communication standard, such as WiFi, 2G, 3G, 4G, LTE, or a combination thereof.
  • the communication component 2516 receives a broadcast signal or broadcast-related information from an external broadcast management system via a broadcast channel.
  • the above-mentioned communication component 2516 further includes a near field communication (NFC) module to facilitate short-range communication.
  • the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra wideband
  • Bluetooth Bluetooth
  • the terminal 2500 may be implemented by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A gate array (FPGA), controller, microcontroller, microprocessor, or other electronic component is implemented to perform the above method.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable A gate array
  • controller microcontroller, microprocessor, or other electronic component is implemented to perform the above method.
  • a non-transitory computer-readable storage medium including instructions such as a memory 2504 including instructions, may be provided.
  • the instructions may be executed by the processor 2520 of the terminal 2500 to complete any of the foregoing FIG. 1 to FIG. 12.
  • a method for transmitting hybrid automatic retransmission request HARQ feedback information may be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
  • FIG. 26 is a schematic structural diagram of a base station 2600 according to an exemplary embodiment.
  • the base station 2600 includes a processing component 2622, a wireless transmitting / receiving component 2624, an antenna component 2626, and a signal processing portion unique to a wireless interface.
  • the processing component 2622 may further include one or more processors.
  • One of the processors in processing component 2622 may be configured as:
  • HARQ PUCCH resource configuration information corresponding to a preset downlink scheduling mode is to schedule at least two physical downlink shared channels PDSCH for one downlink data transmission of an MTC terminal by using one MTC physical downlink control channel MPDCCH information Resources
  • non-transitory computer-readable storage medium including instructions on which computer instructions are stored, and the computer instructions may be executed by the processing component 2622 of the base station 2600 to complete the transmission described in FIG. 13 A method of hybrid automatic retransmission method requesting HARQ feedback information.
  • the non-transitory computer-readable storage medium may be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.

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Abstract

La présente invention concerne un procédé de transmission d'informations de rétroaction HARQ, un terminal et une station de base. Le procédé consiste à : acquérir des informations de configuration de ressources de canal de commande de liaison montante physique (PUCCH) HARQ correspondant à un mode de planification de liaison descendante prédéfini, le mode de planification de liaison descendante prédéfini étant une planification de station de base, au moyen d'informations de canal de commande de liaison descendante physique MTC (MPDCCH), au moins deux ressources de canal partagé de liaison descendante physique (PDSCH) pour une opération de transmission de données de liaison descendante d'un terminal; déterminer, selon les informations de configuration de ressources PUCCH HARQ, des informations d'indice de PUCCH cibles correspondant à chacune des ressources PDSCH; et transporter, dans une ressource PUCCH cible correspondant aux informations d'index PUCCH cibles, des informations de rétroaction HARQ pour une transmission de données de liaison descendante transportées par chacune des ressources PDSCH, et envoyer celles-ci à une station de base. Le procédé de transmission d'informations de rétroaction HARQ selon la présente invention détermine des informations d'indice PUCCH cibles correspondant respectivement à de multiples PDSCH selon les informations MPDCCH, ce qui permet de réduire le surdébit de signalisation d'un système.
PCT/CN2018/097099 2018-07-25 2018-07-25 Procédé de transmission d'informations de rétroaction harq terminal et station de base WO2020019214A1 (fr)

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CN201880001486.7A CN109075922B (zh) 2018-07-25 2018-07-25 传输harq反馈信息的方法、终端及基站
CN202111350623.8A CN114142973A (zh) 2018-07-25 2018-07-25 传输harq反馈信息的方法、终端及基站

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