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WO2018201433A1 - Harq反馈方法及装置、设备、计算机可读存储介质 - Google Patents

Harq反馈方法及装置、设备、计算机可读存储介质 Download PDF

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Publication number
WO2018201433A1
WO2018201433A1 PCT/CN2017/083180 CN2017083180W WO2018201433A1 WO 2018201433 A1 WO2018201433 A1 WO 2018201433A1 CN 2017083180 W CN2017083180 W CN 2017083180W WO 2018201433 A1 WO2018201433 A1 WO 2018201433A1
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WIPO (PCT)
Prior art keywords
feedback
feedback information
level
information
harq
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Ceased
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PCT/CN2017/083180
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English (en)
French (fr)
Inventor
周珏嘉
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Beijing Xiaomi Mobile Software Co Ltd
Original Assignee
Beijing Xiaomi Mobile Software Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Beijing Xiaomi Mobile Software Co Ltd filed Critical Beijing Xiaomi Mobile Software Co Ltd
Priority to ES17908313T priority Critical patent/ES3039623T3/es
Priority to EP17908313.4A priority patent/EP3621231B1/en
Priority to US16/610,774 priority patent/US11336397B2/en
Priority to PCT/CN2017/083180 priority patent/WO2018201433A1/zh
Priority to CN201780000387.2A priority patent/CN108401480B/zh
Publication of WO2018201433A1 publication Critical patent/WO2018201433A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H04L1/1607—Details of the supervisory signal
    • 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
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1614—Details of the supervisory signal using bitmaps
    • 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
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • 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
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1864—ARQ related signaling
    • 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 signalling, 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 communications technologies, and in particular, to a HARQ feedback method and apparatus, device, and computer readable storage medium.
  • 5G fifth generation of mobile communication technology
  • 5G's current business types include at least Enhanced Mobile Broad Band (eMBB), Massive Machine Type Communication (MMTC), Ultra Reliable Low Latency Communication (referred to as Ultra Reliable Low Latency Communication).
  • eMBB Enhanced Mobile Broad Band
  • MMTC Massive Machine Type Communication
  • Ultra Reliable Low Latency Communication referred to as Ultra Reliable Low Latency Communication
  • URLLC Ultra Reliable Low Latency Communication
  • these services are both data services, but the requirements for delay and reliability are different.
  • the URLLC service is used in areas such as car networking that require low latency, and the timeliness is very high.
  • the mMTC service is usually not sensitive to delay and can be sent to the data for a long time.
  • One way to achieve efficient transmission of delay-sensitive services is to improve the transmission of Hybrid Automatic Repeat ReQuest (HARQ), for example, to make retransmission feedback faster and more accurate.
  • HARQ Hybrid Automatic Repeat ReQuest
  • HARQ feedback is performed in units of a Transmission Block (TB), and each TB feeds back a 1-bit (ACK) response or a non-acknowledgement (NACK) message.
  • 3GPP 3rd Generation Partnership Project proposes to retransmit based on Code Block Group (CBG), which is a smaller unit of data unit in TB, and a CBG corresponds to 1 bit ACK.
  • CBG Code Block Group
  • NACK feedback since the retransmission granularity will be smaller, the position of the erroneous transmission can be more accurately reflected, thereby making the retransmission more accurate, and the retransmission efficiency is higher because the amount of data to be retransmitted is smaller.
  • the present application discloses a HARQ feedback method and apparatus, device, and computer readable storage medium to reduce feedback overhead.
  • a hybrid automatic repeat request HARQ feedback method comprising:
  • the generating the HARQ feedback information based on the resource unit according to the pre-configured HARQ feedback policy includes:
  • the HARQ feedback policy includes:
  • the feedback level and the number of feedback information units corresponding to each feedback level; or,
  • the feedback level and the number of resource units bound to one feedback information unit in each feedback level; or,
  • the feedback level the number of feedback information units corresponding to each feedback level, and the number of resource units bound to one feedback information unit in each feedback level;
  • the sum of the number of all feedback information units corresponding to all feedback levels is smaller than the number of resource units included in the TB.
  • the HARQ feedback policy includes: a feedback level, and a quantity of feedback information units corresponding to each feedback level;
  • the feedback level includes: a first feedback level
  • Binding, by the HARQ feedback policy, the feedback information of the multiple resource units to a feedback information unit to generate the HARQ feedback information including:
  • Obtaining data receiving status information where the data receiving status information is used to indicate that data corresponding to each resource unit is successfully received or failed;
  • the feedback level further includes: a second feedback level
  • the combining according to the HARQ feedback policy, the feedback information of the multiple resource units to the feedback information unit to generate the HARQ feedback information, and the method further includes:
  • the part or all of the first-level feedback information that fails to receive the data is respectively bound to the second preset quantity feedback information unit, including:
  • first-level feedback information of the data reception failure is greater than one feedback information unit, determining, according to the HARQ feedback policy, first-level feedback information that the data reception failure of the at least one feedback information unit fails;
  • the first level feedback information of the determined at least one feedback information unit is respectively bound to the second preset quantity feedback information unit.
  • the HARQ feedback policy includes: the feedback level, and a quantity of resource units bound to one feedback information unit in each feedback level;
  • the number of the feedback levels is one;
  • step of binding the feedback information of the multiple resource units to the feedback information unit according to the HARQ feedback policy on the at least one feedback level, to generate the HARQ feedback information including:
  • Obtaining data receiving status information where the data receiving status information is used to indicate that data corresponding to each resource unit is successfully received or failed;
  • the HARQ feedback policy further includes at least one of the following:
  • First indication information where the first indication information is used to indicate that the HARQ feedback information is in an explicit or implicit manner Returning to the sender;
  • the second indication information is used to indicate that the sum of the number of feedback information units used by all feedback levels is fixed or variable.
  • the first indication information is used to indicate that the HARQ feedback information is returned to the sending end in an implicit manner
  • the HARQ feedback strategy further includes: a scrambling code sequence, and a location of the scrambled data.
  • the feedback level includes: a first feedback level and a second feedback level, where the location of the scrambled data is a position of the first level feedback information, and the second level feedback information is added in the form of a scrambling code.
  • the first level feedback information is disturbed and sent to the transmitting end.
  • the sending end includes a base station or a user equipment (User Equipment, UE for short).
  • UE User Equipment
  • the method when the sending end is a base station, the method further includes:
  • a hybrid automatic repeat request HARQ feedback apparatus comprising:
  • a data receiving module configured to receive data sent by the sending end in units of a transport block TB, where the TB includes multiple resource units;
  • Generating a return module configured to generate HARQ feedback information of the resource unit included in a TB corresponding to data received by the data receiving module according to a pre-configured HARQ feedback policy, and return the HARQ feedback to the sending end Information, wherein the number of feedback information units of the HARQ feedback information is less than the number of resource units included in the TB.
  • the generating a return module is configured to:
  • the HARQ feedback policy includes:
  • the feedback level and the number of feedback information units corresponding to each feedback level; or,
  • the feedback level and the number of resource units bound to one feedback information unit in each feedback level; or,
  • Feedback level the number of feedback information units corresponding to each feedback level, and a feedback letter in each feedback level The number of resource units bound to the unit;
  • the sum of the number of all feedback information units corresponding to all feedback levels is smaller than the number of resource units included in the TB.
  • the HARQ feedback policy includes: a feedback level, and a quantity of feedback information units corresponding to each feedback level;
  • the feedback level includes: a first feedback level
  • the generated return module includes:
  • the first determining submodule is configured to determine, according to the HARQ feedback policy, a first preset quantity of the feedback information unit corresponding to the first feedback level;
  • the first binding sub-module is configured to respectively bind the feedback information corresponding to the resource unit included in the TB to the first preset quantity feedback information unit determined by the first determining sub-module;
  • a first acquiring sub-module configured to acquire data receiving status information, where the data receiving status information is used to indicate that data corresponding to each resource unit is successfully received or failed;
  • a first generation sub-module configured to generate, according to the data receiving state information acquired by the first acquiring sub-module, first-level feedback information corresponding to the first feedback level, where the HARQ feedback information includes the first First level feedback.
  • the feedback level further includes: a second feedback level
  • the generating a return module further includes:
  • a second determining sub-module configured to determine first-level feedback information that the data reception fails according to the data receiving status information acquired by the first acquiring sub-module
  • a third determining sub-module configured to determine, according to the HARQ feedback policy, a second preset quantity of the feedback information unit corresponding to the second feedback level
  • a second binding sub-module configured to bind part or all of the first-level feedback information of the data reception failure determined by the second determining sub-module to a location determined by the third determining sub-module Describe a second preset quantity feedback information unit;
  • the second generation sub-module is configured to generate second-level feedback information corresponding to the second feedback level according to the data receiving status information, where the HARQ feedback information further includes the second-level feedback information.
  • the second binding submodule includes:
  • a determining unit configured to: if the first-level feedback information that the data reception fails is greater than one feedback information unit, determine, according to the HARQ feedback policy, first-level feedback information that the data reception failure of the at least one feedback information unit fails;
  • the binding unit is configured to respectively bind the first level feedback information of the at least one feedback information unit determined by the determining unit to the second preset quantity feedback information unit.
  • the HARQ feedback policy includes: the feedback level, and a quantity of resource units bound to one feedback information unit in each feedback level;
  • the number of the feedback levels is one;
  • the generating a return module includes:
  • the third binding sub-module is configured to respectively bind the feedback information corresponding to the resource unit included in the TB to a third preset number of feedback information units, where the third preset quantity is equal to that included in the TB
  • the quotient of the number of resource units and the number of resource units bound to one feedback information unit in the feedback level is rounded up;
  • a second obtaining sub-module configured to acquire data receiving status information, where the data receiving status information is used to indicate that data corresponding to each resource unit is successfully received or failed;
  • the third generation submodule is configured to generate the HARQ feedback information according to the data reception status information acquired by the second acquisition submodule.
  • the HARQ feedback policy further includes at least one of the following:
  • the first indication information is used to indicate that the HARQ feedback information is returned to the sending end in an explicit or implicit manner
  • the second indication information is used to indicate that the sum of the number of feedback information units used by all feedback levels is fixed or variable.
  • the first indication information is used to indicate that the HARQ feedback information is returned to the sending end in an implicit manner
  • the HARQ feedback strategy further includes: a scrambling code sequence, and a location of the scrambled data.
  • the feedback level includes: a first feedback level and a second feedback level, where the location of the scrambled data is a position of the first level feedback information, and the second level feedback information is added in the form of a scrambling code.
  • the first level feedback information is disturbed and sent to the transmitting end.
  • the transmitting end comprises a base station or a user equipment UE.
  • the apparatus when the sending end is a base station, the apparatus further includes:
  • the policy receiving module is configured to receive the sending before the generating returning module generates the HARQ feedback information of the resource unit included in the TB corresponding to the data received by the data receiving module according to the pre-configured HARQ feedback policy.
  • the HARQ feedback policy sent by the terminal is configured to receive the sending before the generating returning module generates the HARQ feedback information of the resource unit included in the TB corresponding to the data received by the data receiving module according to the pre-configured HARQ feedback policy.
  • an apparatus including:
  • a memory for storing processor executable instructions
  • processor is configured to:
  • a computer readable storage medium having stored thereon a computer program (instruction), wherein the program (instruction) is executed by a processor to implement the steps of the above method.
  • the resource unit-based HARQ feedback information is generated according to the pre-configured HARQ feedback policy, so that the number of feedback information units of the HARQ feedback information is smaller than the number of resource units included in the TB, thereby achieving the purpose of saving feedback overhead.
  • the first level feedback information corresponding to the first feedback level is generated by using the feedback information corresponding to the resource unit included in the TB to be the first preset quantity feedback information unit, and the first feedback information corresponding to the first feedback level is generated according to the acquired data.
  • the level feedback information may reflect the data reception status corresponding to the resource unit bound to each feedback information unit, for the sender to determine the data to be retransmitted accordingly.
  • the second level feedback information corresponding to the second feedback level is generated by adding the second feedback level, so that the second level feedback information can reflect the data receiving status corresponding to the resource unit bound to each feedback information unit with a smaller granularity.
  • the data is used by the transmitting end to determine the data to be retransmitted, thereby reducing the amount of data retransmitted by the transmitting end.
  • the second preset quantity feedback information unit provides conditions for generating the second level feedback information.
  • the feedback information corresponding to the resource unit included in the TB is respectively bound to the third preset quantity feedback information unit, and the HARQ feedback information is generated according to the acquired data receiving status information, so that the HARQ feedback information can be reflected with each feedback information.
  • the description may further include at least one of the first indication information and the second indication information, so that the HARQ feedback information can be returned to the sending end in multiple manners, and the number of bits of the feedback information can be reduced without causing heavy weight.
  • the amount of data transmitted is large.
  • the HARQ feedback policy may further include: a scrambling code sequence, and a location of the scrambled data, so as to implicitly manner the subsequent HARQ feedback information. Return to the sender to provide conditions.
  • the second-level feedback information is scrambled to the first-level feedback information in the form of a scrambling code and sent to the transmitting end to define the HARQ feedback information to return to the transmitting end in a recessive manner, which is simple in implementation.
  • the transmitting end includes a base station or a UE
  • the solution provided by the present disclosure is applicable to both HARQ feedback of uplink data and HARQ feedback of downlink data.
  • the HARQ feedback policy sent by the transmitting end is received to indicate the source of the HARQ feedback policy, and the condition for generating the HARQ feedback information based on the resource unit is further generated according to the HARQ feedback policy.
  • FIG. 1 is a flowchart of a HARQ feedback method according to an exemplary embodiment of the present application
  • FIG. 2 is a schematic diagram of a TB including multiple resource units, shown in an exemplary embodiment of the present application;
  • FIG. 3A is a flowchart of generating HARQ feedback information according to a HARQ feedback policy according to an exemplary embodiment of the present application
  • FIG. 3B is a schematic diagram 1 of a correspondence between TB and HARQ feedback information according to an exemplary embodiment of the present application.
  • FIG. 4A is another flowchart of generating HARQ feedback information according to a HARQ feedback policy according to an exemplary embodiment of the present application
  • FIG. 4B is a second schematic diagram of a correspondence between TB and HARQ feedback information according to an exemplary embodiment of the present application.
  • FIG. 5A is another flowchart of generating HARQ feedback information according to a HARQ feedback policy according to an exemplary embodiment of the present application
  • FIG. 5B is a third schematic diagram of a correspondence between TB and HARQ feedback information according to an exemplary embodiment of the present application.
  • FIG. 5C is a fourth schematic diagram of a correspondence between TB and HARQ feedback information according to an exemplary embodiment of the present application.
  • FIG. 6 is a block diagram of a HARQ feedback apparatus according to an exemplary embodiment
  • FIG. 7 is a block diagram of another HARQ feedback apparatus according to an exemplary embodiment
  • FIG. 8 is a block diagram of another HARQ feedback apparatus according to an exemplary embodiment
  • FIG. 9 is a block diagram of another HARQ feedback apparatus according to an exemplary embodiment.
  • FIG. 10 is a block diagram of another HARQ feedback apparatus according to an exemplary embodiment
  • FIG. 11 is a block diagram of another HARQ feedback apparatus according to an exemplary embodiment
  • FIG. 12 is a block diagram of a HARQ feedback device suitable for display according to an exemplary embodiment
  • FIG. 13 is a block diagram showing another suitable HARQ feedback device according to an exemplary embodiment.
  • FIG. 1 is a flowchart of a HARQ feedback method according to an exemplary embodiment of the present application. As shown in FIG. 1 , the HARQ feedback method includes the following steps:
  • step S101 the data transmitted by the transmitting end in units of TB is received, and the TB includes a plurality of resource units.
  • the sending end may include a base station or a UE.
  • the sending end is a base station
  • the method embodiment is described from the UE side, that is, the embodiment is applicable to the HARQ feedback of the downlink data.
  • the sending end is the UE
  • the method embodiment is used.
  • the description is made from the base station side, that is, the embodiment is applicable to HARQ feedback of uplink data.
  • the resource unit may include, but is not limited to, a CBG or a code block CB or the like.
  • FIG. 2 is a schematic diagram of a TB including multiple resource units according to an exemplary embodiment of the present application. As shown in FIG. 2, one TB may include multiple CBGs 21, and one CBG 21 may include multiple code blocks ( Code Block, CB) 22.
  • step S102 generating HARQ feedback information based on resource units according to a pre-configured HARQ feedback policy, and returning HARQ feedback information to the transmitting end, where the number of feedback information units of the HARQ feedback information is smaller than that included in the TB.
  • the number of resource units is smaller than that included in the TB.
  • the HARQ feedback policy may include: a feedback level, and a quantity of feedback information units corresponding to each feedback level; or a feedback level, and a resource unit bound to one feedback information unit in each feedback level Quantity; or, the feedback level, the number of feedback information units corresponding to each feedback level, and the number of resource units bound to one feedback information unit in each feedback level.
  • the feedback level may include at least one.
  • the sum of the number of all the feedback information units corresponding to all the feedback levels is smaller than the number of the resource units included in the TB, and the feedback information unit may be a bit, that is, the sum of the numbers of all the bits corresponding to all the feedback levels is smaller than the resources included in the TB.
  • the number of feedback levels may be one, or two, three or more. This embodiment does not specifically limit the number of feedback levels.
  • the resource unit may be CBG or CB, and the feedback information unit is bit.
  • the resource unit is CBG
  • the sum of the number of all feedback information units corresponding to all feedback levels is two
  • the number of resource units included in the TB is eight, that is, the sum of the number of all feedback information units corresponding to all feedback levels.
  • the number of resource units contained in the TB is 16.
  • the resource unit is CB
  • the sum of the number of all feedback information units corresponding to all feedback levels is two
  • the number of resource units included in the TB is 16, that is, the sum of the number of all feedback information units corresponding to all feedback levels.
  • the number of resource units contained in the TB is
  • the UE may first receive the HARQ feedback policy sent by the base station, and configure the HARQ feedback policy.
  • the feedback information of the multiple resource units may be bound to one feedback information unit on the at least one feedback level according to the HARQ feedback policy, to generate HARQ feedback information, because the number of all the bits corresponding to all the feedback levels is And the number of resource units included in the TB is smaller than the number of resource units included in the TB. Therefore, the number of bits of the generated HARQ feedback information is smaller than the number of resource units included in the TB.
  • the resource unit is CBG
  • the sum of the numbers of all the bits corresponding to all the feedback levels is smaller than the number of CBGs included in the TB.
  • the resource unit is CB
  • the sum of the numbers of all the bits corresponding to all the feedback levels is smaller than the TB. The number of CBs included.
  • the HARQ feedback policy may further include at least one of the first indication information and the second indication information.
  • the first indication information is used to indicate that the HARQ feedback information is returned to the sending end in an explicit or implicit manner. If the first indication information indicates that the HARQ feedback information is returned to the transmitting end in an implicit manner, the HARQ feedback policy may further include: a scrambling code sequence and a location of the scrambled data.
  • the feedback level may include: a first feedback level and a second feedback level, where the location of the scrambled data is the location of the first level feedback information, and the second level feedback information may be scrambled in the form of a scrambling code.
  • the first level feedback information is sent to the sending end, so that the sending end can simultaneously parse the first level feedback information and the second level feedback information after receiving the feedback information.
  • the feedback level may not be limited.
  • the HARQ feedback information may be scrambled in the form of a scrambling code. Other data is then sent to the sender.
  • the second indication information is used to indicate that the sum of the number of feedback information units used by all feedback levels is fixed or variable. Due to the wider bandwidth in 5G, the division of time-frequency resources is more dynamic. Therefore, the length of the TB may be dynamic due to the needs of the service. Of course, a TB including more CBs may appear.
  • the TB includes a fixed number of CBGs, and the number of CBs in each CBG varies. In this case, the total amount of feedback information based on CBG is Fixed; in the second case, one CBG includes a fixed number of CBs, and the number of CBGs in the TB varies, and the total amount of feedback information based on CBG changes in such cases.
  • each CBG includes 100 CBs. This inevitably leads to a large amount of data of a single CBG retransmitted, thereby reducing the efficiency of retransmission.
  • the number of CBs in the CBG can be adjusted to be smaller, and the number of CBGs in the TB can be increased to reduce the size of each CBG, so that the amount of retransmission data is reduced, but this will form a feedback information based on CBG.
  • the former is suitable for the case where the TB is short in the system
  • the latter is suitable for the case where a long TB occurs in the system
  • both cases are adapted to some types of services, and both may occur.
  • the second indication information is introduced, and the second indication letter is adopted.
  • the information may indicate that the sum of the number of feedback information units is fixed or variable.
  • the resource unit-based HARQ feedback information is generated according to the pre-configured HARQ feedback policy, so that the number of feedback information units of the HARQ feedback information is smaller than the number of resource units included in the TB, thereby achieving the purpose of saving feedback overhead.
  • the foregoing HARQ feedback policy may include: a feedback level and a quantity of resource units bound to one feedback information unit in each feedback level, wherein the number of feedback levels is one.
  • FIG. 3A is a flowchart of generating HARQ feedback information according to a HARQ feedback policy according to an exemplary embodiment of the present application.
  • a method for generating HARQ feedback information according to a HARQ feedback policy includes the following steps:
  • step S301 the feedback information corresponding to the resource unit included in the TB is respectively bound to a third preset number of feedback information units.
  • the third preset quantity is equal to the quotient of the number of resource units included in the TB and the number of resource units bound by one feedback information unit in the feedback level. It should be noted that the third preset number and the first preset number and the second preset number mentioned below are only used to indicate different preset numbers, that is, the third preset number may also be referred to as the first preset. The number is set, and the first preset number is referred to as a third preset number.
  • the resource unit in this embodiment is CBG
  • the feedback information unit is bit
  • the number of CBGs bound to one bit in the feedback level is four.
  • FIG. 3B is a first schematic diagram of a correspondence between TB and HARQ feedback information according to an exemplary embodiment of the present application.
  • the TB includes eight CBGs, and CBG1, CBG2, and CBG3 can be used.
  • the feedback information corresponding to CBG4 is bound to the first bit
  • the feedback information corresponding to CBG5, CBG6, CBG7, and CBG8 is bound to the second bit.
  • the feedback information corresponding to CBG9 and CBG10 can be bound to the third bit.
  • step S302 data reception status information is acquired, where the data reception status information is used to indicate success or failure of data reception corresponding to each resource unit.
  • the data reception status information corresponding to the eight CBGs in FIG. 3B is acquired.
  • step S303 HARQ feedback information is generated based on the data reception state information corresponding to the resource unit bound to each feedback information unit.
  • the data receiving states corresponding to the four CBGs bound to the first bit are data received.
  • the HARQ feedback information corresponding to the first bit may be 1 for the first value
  • the data reception state corresponding to 1 CBG of the 4 CBGs bound to the second bit is data reception failure (for example, CBG5)
  • the HARQ feedback information corresponding to the second bit may be 0, so the HARQ feedback information is 10.
  • the feedback information corresponding to the resource unit included in the TB is respectively bound to the third preset number of feedback information units, and the HARQ feedback information is generated according to the received data receiving status information, so that the HARQ feedback information can be reflected and
  • the data receiving state corresponding to the resource unit bound to each feedback information unit is used by the transmitting end to determine the data to be retransmitted accordingly.
  • the HARQ feedback policy may include: a feedback level and a quantity of feedback information units corresponding to each feedback level, wherein the feedback level may include a first feedback level.
  • FIG. 4A is a flowchart illustrating another method for generating HARQ feedback information according to a HARQ feedback policy according to an exemplary embodiment of the present application.
  • a method for generating HARQ feedback information according to a HARQ feedback policy includes the following steps. :
  • step S401 a first preset number of feedback information units corresponding to the first feedback level is determined according to the HARQ feedback policy.
  • the number of bits corresponding to the first feedback level in the HARQ feedback policy is two, and the first preset number may be determined to be two.
  • step S402 the feedback information corresponding to the resource unit included in the TB is respectively bound to the first preset number of feedback information units.
  • FIG. 4B is a schematic diagram of a correspondence between TB and HARQ feedback information according to an exemplary embodiment of the present application.
  • the resource unit is CBG
  • the feedback information unit is The first preset number is 2
  • the TB includes 8 CBGs. Therefore, the feedback information of 8 CBGs can be bound to 2 bits, that is, the feedback information of CBG1, CBG2, CBG3, and CBG4 can be The first bit is bound, and the feedback information of CBG5, CBG6, CBG7, and CBG8 is bound to the second bit.
  • step S403 data reception status information is acquired, where the data reception status information is used to indicate success or failure of data reception corresponding to each resource unit.
  • step S404 based on the acquired data receiving state information, first level feedback information corresponding to the first feedback level is generated, and the HARQ feedback information includes first level feedback information.
  • the first The HARQ feedback information corresponding to the bit may be 0, and the data receiving state corresponding to 1 CBG of the 4 CBGs bound to the second bit is data reception failure (for example, the data receiving state corresponding to CBG5) If the data reception fails, the HARQ feedback information corresponding to the second bit may be 0, so the generated first-level feedback information is 00.
  • the feedback information corresponding to the resource unit included in the TB is respectively bound to the first preset number of feedback information units, and the first level feedback information corresponding to the first feedback level is generated according to the received data receiving status information.
  • the first level feedback information may reflect a data receiving status corresponding to the resource unit bound to each feedback information unit, for the sending end to determine the data to be retransmitted accordingly.
  • FIG. 5A is a flowchart of generating another resource unit-based HARQ feedback information according to an HARQ feedback policy according to an exemplary embodiment of the present application.
  • the embodiment adds a second feedback level to the embodiment shown in FIG. 4, As shown in FIG. 5A, the method may further include the following steps:
  • step S501 first-level feedback information of data reception failure is determined according to the data reception status information.
  • the first-level feedback information corresponding to the two bits in FIG. 4B is 0, it can be determined that the first-level feedback information of the data reception failure is two bits.
  • step S502 a second preset quantity of feedback information units corresponding to the second feedback level is determined according to the HARQ feedback policy.
  • the number of bits corresponding to the second feedback level in the HARQ feedback policy is four, and the second preset number may be determined to be four.
  • step S503 part or all of the first-level feedback information of the data reception failure is respectively bound to the second preset quantity feedback information unit.
  • the step S503 may include: if the first-level feedback information of the data reception failure is greater than one feedback information unit, determining, according to the HARQ feedback policy, the first-level feedback information of the data reception failure of the at least one feedback information unit, and determining the The resource unit corresponding to the first level feedback information of the at least one feedback information unit is bound to the second preset quantity feedback information unit.
  • the first-level feedback information of the data reception failure in FIG. 4B is two bits
  • the first-level feedback information of the data reception failure of the at least one feedback information unit may be determined, for example, the data reception failure of one feedback information unit may be determined.
  • the first level of feedback information can also determine the first level feedback information of all feedback information units that fail to receive data.
  • the determined first level feedback information may be respectively bound to the second preset quantity feedback information unit.
  • the determined The first level of feedback information is the first level of feedback information corresponding to the first bit in FIG. 4B. As shown in FIG. 5B, the feedback information of the first four CBGs in FIG. 4B is respectively bound to 4 bits.
  • the determined resource unit corresponding to the first level feedback information may be bound to the second preset quantity feedback information unit, in this embodiment.
  • the determined first-level feedback information is the first-level feedback information corresponding to all the bits in FIG. 4B. As shown in FIG. 5C, the feedback information of the eight CBGs in FIG. 4B are respectively bound into four bits.
  • step S504 second level feedback information corresponding to the second feedback level is generated according to the data receiving status information, and the HARQ feedback information further includes second level feedback information.
  • the data reception status information corresponding to the CBG3 is data reception failure
  • the data reception status information corresponding to the other three CBGs is data reception success
  • the second generation generated in FIG. 5B The level feedback information is 1101.
  • the data to be retransmitted has 5 CBGs of CBG3, CBG5, CBG6, CBG7, and CBG8, and for FIG. 4B, all CBGs need to be retransmitted, that is, 8 CBGs need to be retransmitted. It can be seen that the amount of retransmitted data can be reduced by adding the second level feedback information.
  • the data reception status information corresponding to CBG3 and CBG5 is data reception failure, and the data reception status information corresponding to the other six CBGs is data reception success, and therefore, the second level feedback generated in FIG. 5C
  • the information is 1001.
  • the data to be retransmitted has 4 CBGs for CBG3, CBG4, CBG5, and CBG6.
  • all CBGs need to be retransmitted, that is, 8 CBGs need to be retransmitted.
  • the amount of retransmitted data can be reduced by adding second level feedback information.
  • the second level feedback information corresponding to the second feedback level is generated by adding the second feedback level, so that the second level feedback information can reflect the resource unit bound to each feedback information unit with a smaller granularity.
  • the data receiving state is used by the transmitting end to determine the data to be retransmitted according to the data, so that the amount of data retransmitted by the transmitting end can be reduced.
  • the present disclosure also provides an HARQ feedback device embodiment.
  • FIG. 6 is a block diagram of a HARQ feedback apparatus according to an exemplary embodiment. As shown in FIG. 6, the HARQ feedback apparatus includes a data receiving module 61 and a generating return module 62.
  • the data receiving module 61 is configured to receive data transmitted by the transmitting end in units of transport blocks TB, and the TB includes a plurality of resource units.
  • the sending end may include a base station or a UE.
  • the sending end is a base station
  • the method embodiment is performed from the UE side.
  • the description is applicable to the HARQ feedback of the downlink data.
  • the sender is the UE
  • the method embodiment is described from the base station side, that is, the embodiment is applicable to the HARQ feedback of the uplink data.
  • the resource unit may include, but is not limited to, a CBG or a code block CB or the like.
  • FIG. 2 is a schematic diagram of a TB including multiple resource units according to an exemplary embodiment of the present application. As shown in FIG. 2, one TB21 may include multiple CBGs 22, and one CBG 22 may include multiple code blocks ( Code Block, CB) 23.
  • the generating and returning module 62 is configured to generate, according to the pre-configured HARQ feedback policy, the HARQ feedback information of the resource unit included in the TB corresponding to the data received by the data receiving module 61, and return the HARQ feedback information to the transmitting end, where the HARQ feedback information
  • the number of feedback information units is less than the number of resource units contained in the TB.
  • the HARQ feedback policy may include: a feedback level, and a quantity of feedback information units corresponding to each feedback level; or a feedback level, and a resource unit bound to one feedback information unit in each feedback level Quantity; or, the feedback level, the number of feedback information units corresponding to each feedback level, and the number of resource units bound to one feedback information unit in each feedback level.
  • the feedback level may include at least one.
  • the sum of the number of all the feedback information units corresponding to all the feedback levels is smaller than the number of the resource units included in the TB, and the feedback information unit may be a bit, that is, the sum of the numbers of all the bits corresponding to all the feedback levels is smaller than the resources included in the TB.
  • the number of feedback levels may be one, or two, three or more. This embodiment does not specifically limit the number of feedback levels.
  • FIG. 3B is a schematic diagram of a correspondence between TB and HARQ feedback information according to an exemplary embodiment of the present application.
  • the resource unit is CBG
  • the feedback information unit is bit.
  • the sum of the number of all feedback information units corresponding to all feedback levels is two, and the number of resource units included in the TB is eight, that is, the sum of the number of all feedback information units corresponding to all feedback levels and the resource unit included in the TB Quantity.
  • the feedback information of the multiple resource units may be bound to one feedback information unit on the at least one feedback level according to the HARQ feedback policy, to generate HARQ feedback information, because the number of all the bits corresponding to all the feedback levels is And the number of resource units included in the TB is smaller than the number of resource units included in the TB. Therefore, the number of bits of the generated HARQ feedback information is smaller than the number of resource units included in the TB.
  • the resource unit is CBG
  • the sum of the numbers of all the bits corresponding to all the feedback levels is smaller than the number of CBGs included in the TB.
  • the resource unit is CB
  • the sum of the numbers of all the bits corresponding to all the feedback levels is smaller than the TB. The number of CBs included.
  • the HARQ feedback policy may further include at least one of the first indication information and the second indication information.
  • the first indication information is used to indicate that the HARQ feedback information is returned to the sending end in an explicit or implicit manner. If the first indication information indicates that the HARQ feedback information is returned to the sender in an implicit manner, the HARQ feedback policy may further include: The scrambling sequence and the location of the scrambled data.
  • the feedback level includes: a first feedback level and a second feedback level, where the location of the scrambled data is the location of the first level feedback information, and the second level feedback information may be scrambled in the form of a scrambling code.
  • the first level of feedback information is sent to the sending end, so that the sending end can simultaneously parse the first level feedback information and the second level feedback information after receiving the feedback information.
  • the feedback level may not be limited.
  • the HARQ feedback information may be scrambled in the form of a scrambling code. Other data is then sent to the sender.
  • the second indication information is used to indicate that the sum of the number of feedback information units used by all feedback levels is fixed or variable. Since the bandwidth is wider in 5G and the time-frequency resources are more dynamic, the length of the TB may also be dynamic due to the needs of the service. Of course, a TB including a very large number of CBs may occur. For a TB, there are two cases: In the first case, the TB includes a fixed number of CBGs, and in the second case, one CBG includes a fixed number of CBs.
  • the second indication information may indicate that the sum of the number of feedback information units used by the feedback level is variable. According to the second indication information, multiple CBs, for example, 10 CBs and one feedback information may be used. Units such as one bit are bound to achieve the purpose of reducing the number of bits of feedback information without causing a large amount of retransmitted data.
  • the device shown in FIG. 6 is used to implement the method flow shown in FIG. 1 above, and related content descriptions are the same, and are not described herein.
  • the resource unit-based HARQ feedback information is generated according to the pre-configured HARQ feedback policy, so that the number of feedback information units of the HARQ feedback information is smaller than the number of resource units included in the TB, thereby achieving the purpose of saving feedback overhead.
  • FIG. 7 is a block diagram of another HARQ feedback apparatus according to an exemplary embodiment.
  • the HARQ feedback policy may include: a feedback level and each feedback.
  • the first determining submodule 621 is configured to determine, according to the HARQ feedback policy, a first preset number of feedback information units corresponding to the first feedback level.
  • the number of bits corresponding to the first feedback level in the HARQ feedback policy is two, and the first The default number is 2.
  • the first binding sub-module 622 is configured to respectively bind the feedback information corresponding to the resource unit included in the TB to the first preset quantity feedback information unit determined by the first determining sub-module 621.
  • FIG. 4B is a schematic diagram of a correspondence between TB and HARQ feedback information according to an exemplary embodiment of the present application.
  • the resource unit is CBG
  • the feedback information unit is The first preset number is 2
  • the TB includes 8 CBGs. Therefore, the feedback information of 8 CBGs can be bound to 2 bits, that is, the feedback information of CBG1, CBG2, CBG3, and CBG4 can be The first bit is bound, and the feedback information of CBG5, CBG6, CBG7, and CBG8 is bound to the second bit.
  • the first obtaining sub-module 623 is configured to acquire data receiving status information, where the data receiving status information is used to indicate that data reception corresponding to each resource unit succeeds or fails.
  • the first The HARQ feedback information corresponding to the bit may be 0, and the data receiving state corresponding to 1 CBG of the 4 CBGs bound to the second bit is data reception failure (for example, the data receiving state corresponding to CBG5) If the data reception fails, the HARQ feedback information corresponding to the second bit may be 0, so the generated first-level feedback information is 00.
  • the first generation sub-module 624 is configured to generate first-level feedback information corresponding to the first feedback level according to the data reception status information acquired by the first acquisition sub-module 623, and the HARQ feedback information includes first-level feedback information.
  • the feedback information corresponding to the resource unit included in the TB is respectively bound to the first preset number of feedback information units, and the first level feedback information corresponding to the first feedback level is generated according to the received data receiving status information.
  • the first level feedback information may reflect a data receiving status corresponding to the resource unit bound to each feedback information unit, for the sending end to determine the data to be retransmitted accordingly.
  • FIG. 8 is a block diagram of another HARQ feedback apparatus according to an exemplary embodiment.
  • the feedback level may further include a second feedback level. Based on the embodiment shown in FIG. 7 above, a return is generated.
  • the module 62 can also include a second determining sub-module 625, a third determining sub-module 626, a second binding sub-module 627, and a second generating sub-module 628.
  • the second determining sub-module 625 is configured to determine first-level feedback information that the data reception fails according to the data receiving status information acquired by the first acquiring sub-module.
  • the first-level feedback information corresponding to the two bits in FIG. 4B is 0, it can be determined that the first-level feedback information of the data reception failure is two bits.
  • the third determining sub-module 626 is configured to determine a second preset number of feedback information units corresponding to the second feedback level according to the HARQ feedback policy.
  • the second binding sub-module 627 is configured to bind part or all of the first-level feedback information of the data reception failure determined by the second determining sub-module 625 to the second preset quantity determined by the third determining sub-module 626, respectively. Feedback unit.
  • the first-level feedback information of the data reception failure is greater than one feedback information unit, determining, according to the HARQ feedback policy, the first-level feedback information of the data reception failure of the at least one feedback information unit, and determining the first of the at least one feedback information unit
  • the level feedback information is respectively bound to a second preset number of feedback information units.
  • the first-level feedback information of the data reception failure in FIG. 4B is two bits
  • the first-level feedback information of the data reception failure of the at least one feedback information unit may be determined, for example, the data reception failure of one feedback information unit may be determined.
  • the first level of feedback information can also determine the first level feedback information of all feedback information units that fail to receive data.
  • the second generation sub-module 628 is configured to generate second-level feedback information corresponding to the second feedback level according to the data reception status information, where the HARQ feedback information further includes second-level feedback information.
  • the data reception status information corresponding to the CBG3 is data reception failure
  • the data reception status information corresponding to the other three CBGs is data reception success
  • the first four in FIG. 5B The second level feedback information corresponding to the CBGs is 1101.
  • the data to be retransmitted has 5 CBGs of CBG3, CBG5, CBG6, CBG7, and CBG8, and for FIG. 4B, all CBGs need to be retransmitted, that is, 8 CBGs need to be retransmitted. It can be seen that the amount of retransmitted data can be reduced by adding the second level feedback information.
  • the data reception status information corresponding to CBG3 and CBG5 is data reception failure, and the data reception status information corresponding to the other six CBGs is data reception success, and therefore, corresponding to the CBG in FIG. 5C
  • the secondary feedback information is 1001.
  • the data to be retransmitted has 4 CBGs for CBG3, CBG4, CBG5, and CBG6.
  • all CBGs need to be retransmitted, that is, 8 CBGs need to be retransmitted.
  • the amount of retransmitted data can be reduced by adding second level feedback information.
  • the second level feedback information corresponding to the second feedback level is generated by adding the second feedback level, so that the second level feedback information can reflect the resource unit bound to each feedback information unit with a smaller granularity.
  • the data receiving state is used by the transmitting end to determine the data to be retransmitted according to the data, so that the amount of data retransmitted by the transmitting end can be reduced.
  • FIG. 9 is a block diagram of another HARQ feedback apparatus according to an exemplary embodiment.
  • the second binding submodule 627 may include: determining unit. 6271 and binding unit 6272.
  • the determining unit 6271 is configured to determine, according to the HARQ feedback policy, the first level feedback information of the data reception failure of the at least one feedback information unit according to the HARQ feedback policy if the first level feedback information of the data reception failure is greater than one feedback information unit.
  • the binding unit 6272 is configured to respectively bind the first level feedback information of the at least one feedback information unit determined by the determining unit 6271 to the second preset number feedback information unit.
  • the determined first level feedback information may be respectively bound to the second preset quantity feedback information unit.
  • the determined The first level of feedback information is the first level of feedback information corresponding to the first bit in FIG. 4B. As shown in FIG. 5B, the feedback information of the first four CBGs in FIG. 4B is respectively bound to 4 bits.
  • the determined resource unit corresponding to the first level feedback information may be bound to the second preset quantity feedback information unit, in this embodiment.
  • the determined first-level feedback information is the first-level feedback information corresponding to all the bits in FIG. 4B. As shown in FIG. 5C, the feedback information of the eight CBGs in FIG. 4B are respectively bound into four bits.
  • the first level feedback information of the determined at least one feedback information unit is separately bound to the second preset quantity feedback information unit, thereby providing conditions for subsequent generation of the second level feedback information, and the implementation manner is flexible and diverse. .
  • FIG. 10 is a block diagram of another HARQ feedback apparatus according to an exemplary embodiment.
  • the HARQ feedback policy may include: a feedback level and each feedback.
  • the number of resource units bound to one feedback information unit in the level, the number of feedback levels is one, and the generation returning module 62 may include: a third binding submodule 6210, a second obtaining submodule 6211, and a third generating submodule 6213. .
  • the third binding sub-module 6210 is configured to respectively bind the feedback information corresponding to the resource unit included in the TB to a third preset number of feedback information units, where the third preset quantity is equal to the number of resource units and the feedback level included in the TB.
  • the quotient of the number of resource units bound by one feedback information unit is rounded up.
  • the resource unit in this embodiment is CBG
  • the feedback information unit is bit
  • the number of CBGs bound to one bit in the feedback level is four.
  • FIG. 3B is a first schematic diagram of a correspondence between TB and HARQ feedback information according to an exemplary embodiment of the present application.
  • the TB includes eight CBGs, and CBG1, CBG2, and CBG3 can be used.
  • the feedback information corresponding to CBG4 is bound to the first bit
  • the feedback information corresponding to CBG5, CBG6, CBG7, and CBG8 is bound to the second bit.
  • the feedback information corresponding to CBG9 and CBG10 can be bound to the third bit.
  • the second obtaining submodule 6211 is configured to acquire data receiving state information, where the data receiving state information is used to indicate that data reception corresponding to each resource unit succeeds or fails.
  • the third generation submodule 6213 is configured to generate HARQ feedback information according to the data reception status information acquired by the second acquisition submodule 6211.
  • the HARQ feedback information corresponding to the current bit is a first value, for example, 1 if the CBG is bound to the current bit. If the data reception status corresponding to one CBG is data reception failure, the HARQ feedback information corresponding to the current bit is a second value, for example, 0. As shown in FIG. 3B, except that the data reception status information corresponding to the CBG 5 is a data reception failure, the data reception status information corresponding to the other seven CBGs is the data reception success. Therefore, the HARQ feedback information corresponding to the CBG in FIG. 3B is 10. .
  • the feedback information corresponding to the resource unit included in the TB is respectively bound to the third preset number of feedback information units, and the HARQ feedback information is generated according to the received data receiving status information, so that the HARQ feedback information can be reflected and
  • the data receiving state corresponding to the resource unit bound to each feedback information unit is used by the transmitting end to determine the data to be retransmitted accordingly.
  • FIG. 11 is a block diagram of another HARQ feedback apparatus according to an exemplary embodiment. As shown in FIG. 11, on the basis of the foregoing embodiment shown in FIG. 6, if the transmitting end in this embodiment is a base station, The apparatus may further include: a policy receiving module 63.
  • the policy receiving module 63 is configured to receive the HARQ feedback policy sent by the sending end before the generating returning module 62 generates the HARQ feedback information of the resource unit included in the TB corresponding to the data received by the data receiving module according to the pre-configured HARQ feedback policy.
  • the HARQ feedback policy sent by the sending end is received, thereby generating a condition for generating the HARQ feedback information based on the resource unit according to the HARQ feedback policy.
  • FIG. 12 is a block diagram of a device suitable for HARQ feedback, according to an exemplary embodiment.
  • device 1200 can be a user device such as a mobile phone, computer, digital broadcast terminal, messaging device, game console, tablet device, medical device, fitness device, personal digital assistant, and the like.
  • apparatus 1200 can include one or more of the following components: processing component 1202, memory 1204, power component 1206, multimedia component 1208, audio component 1210, input/output (I/O) interface 1212, sensor component 1214, And a communication component 1216.
  • Processing component 1202 typically controls the overall operation of device 1200, such as with display, telephone calls, data communications, The operations associated with camera operations and recording operations.
  • Processing component 1202 can include one or more processors 1220 to execute instructions to perform all or part of the steps of the above described methods.
  • processing component 1202 can include one or more modules to facilitate interaction between component 1202 and other components.
  • processing component 1202 can include a multimedia module to facilitate interaction between multimedia component 1208 and processing component 1202.
  • Memory 1204 is configured to store various types of data to support operation at device 1200. Examples of such data include instructions for any application or method operating on device 1200, contact data, phone book data, messages, pictures, videos, and the like.
  • the memory 1204 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), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Disk or Optical Disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read only memory
  • EPROM erasable Programmable Read Only Memory
  • PROM Programmable Read Only Memory
  • ROM Read Only Memory
  • Magnetic Memory Flash Memory
  • Disk Disk or Optical Disk.
  • Power component 1206 provides power to various components of device 1200.
  • Power component 1206 can include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for device 1200.
  • the multimedia component 1208 includes a screen between the device 1200 and the user that provides an output interface.
  • the screen can include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen can be implemented as a touch screen to receive input signals from the user.
  • the touch panel includes one or more touch sensors to sense touches, slides, and gestures on the touch panel. The touch sensor can sense not only the boundaries of the touch or sliding action, but also the duration and pressure associated with the touch or slide operation.
  • the multimedia component 1208 includes a front camera and/or a rear camera. When the device 1200 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 and rear camera can be a fixed optical lens system or have focal length and optical zoom capabilities.
  • the audio component 1210 is configured to output and/or input an audio signal.
  • audio component 1210 includes a microphone (MIC) that is configured to receive an external audio signal when device 1200 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode.
  • the received audio signal may be further stored in memory 1204 or transmitted via communication component 1216.
  • audio component 1210 also includes a speaker for outputting an audio signal.
  • the I/O interface 1212 provides an interface between the processing component 1202 and the peripheral interface module, which 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.
  • Sensor assembly 1214 includes one or more sensors for providing status assessment of various aspects to device 1200.
  • sensor component 1214 can detect an open/closed state of device 1200, relative positioning of components, such as components For the display and keypad of device 1200, sensor assembly 1214 can also detect changes in position of one component of device 1200 or device 1200, presence or absence of user contact with device 1200, orientation of device 1200 or acceleration/deceleration, and temperature change of device 1200.
  • Sensor assembly 1214 can include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
  • Sensor assembly 1214 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor assembly 1214 can also include an acceleration sensor, a gyro sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • Communication component 1216 is configured to facilitate wired or wireless communication between device 1200 and other devices.
  • the device 1200 can access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof.
  • the communication component 1216 receives broadcast signals or broadcast associated information from an external broadcast management system via a broadcast channel.
  • communication component 1216 also includes a near field communication (NFC) module to facilitate short range communication.
  • NFC near field 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
  • device 1200 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 implementation for performing the above methods.
  • 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 implementation for performing the above methods.
  • non-transitory computer readable storage medium comprising instructions, such as a memory 1204 comprising instructions executable by processor 1220 of apparatus 1200 to perform the above method.
  • the non-transitory computer readable storage medium can be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, and an optical data storage device.
  • FIG. 13 is a block diagram showing another suitable HARQ feedback device according to an exemplary embodiment.
  • Apparatus 1300 can be provided as a base station.
  • apparatus 1300 includes a processing component 1322, a wireless transmit/receive component 1324, an antenna component 1326, and a signal processing portion specific to the wireless interface.
  • Processing component 1322 can further include one or more processors.
  • One of the processing components 1322 can be configured to:
  • the resource unit-based HARQ feedback information is generated according to the pre-configured HARQ feedback policy, and the HARQ feedback information is returned to the transmitting end, where the number of feedback information units of the HARQ feedback information is smaller than the number of resource units included in the TB.
  • the device embodiment since it basically corresponds to the method embodiment, refer to the method embodiment for the relevant points. Part of the description can be.
  • the device embodiments described above are merely illustrative, wherein the units illustrated as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, ie may be located in one place. Or it can be distributed to multiple network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment. Those of ordinary skill in the art can understand and implement without any creative effort.

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Abstract

本公开是关于一种HARQ反馈方法及装置、设备、计算机可读存储介质，其中，HAQR反馈方法包括：接收发送端以传输块TB为单位发送的数据，一个TB中包含多个资源单位；根据预先配置的HARQ反馈策略生成基于资源单位的HARQ反馈信息，并向发送端返回HARQ反馈信息，其中，HARQ反馈信息的反馈信息单位的数量小于TB中包含的资源单位的数量。本公开实施例，通过根据预先配置的HARQ反馈策略生成基于资源单位的HARQ反馈信息，使得HARQ反馈信息的反馈信息单位的数量小于TB中包含的资源单位的数量，从而达到节省反馈开销的目的。

Description

HARQ反馈方法及装置、设备、计算机可读存储介质 技术领域
本公开涉及通信技术领域，尤其涉及一种HARQ反馈方法及装置、设备、计算机可读存储介质。
背景技术
随着通信技术的发展，出现了第五代移动通信技术(5th Generation，简称5G)。5G目前的业务类型至少包括增强移动宽带(enhanced Mobile Broad Band，简称eMBB)、海量机器类通信(massive Machine Type Communication，简称mMTC)、超高可靠与低延迟的通信(Ultra Reliable Low Latency Communication，简称URLLC)等多种类型。这些业务同属数据业务，但对时延和可靠性的要求各不相同，例如URLLC业务用于车联网等需要低时延的领域，对及时性要求很高，建立业务时需要及时，甚至对之前业务具有抢占性。而mMTC业务则通常对时延并不敏感，可以间隔较长时间送达数据。实现对时延敏感业务有效传输的一种方式是改进混合自动重传请求(Hybrid Automatic Repeat reQuest，简称HARQ)的传输，例如，使得重传反馈更快更准确。
长期演进(Long Term Evolution，简称LTE)中是以传输块(Transmission Block，简称TB)为单位进行HARQ反馈，每个TB反馈1比特(bit)的应答(ACK)或者非应答(NACK)消息。为了提高重传准确率，第三代合作伙伴计划(3GPP)提出基于代码块组(Code Block Group，简称CBG)进行重传，CBG是TB中更小的数据单元单位，一个CBG对应1bit的ACK或者NACK反馈，由于重传的颗粒度将更小，因此可以更精确地反映错误传输的位置，进而使得重传更准确，而由于需要重传的数据量更小，因此，重传效率更高。
发明内容
有鉴于此，本申请公开了一种HARQ反馈方法及装置、设备、计算机可读存储介质，以减少反馈开销。
根据本公开实施例的第一方面，提供一种混合自动重传请求HARQ反馈方法，所述方法包括：
接收发送端以传输块TB为单位发送的数据，所述TB中包含多个资源单位；
根据预先配置的HARQ反馈策略生成基于所述资源单位的HARQ反馈信息，并向所述发送端返回所述HARQ反馈信息，其中，所述HARQ反馈信息的反馈信息单位的数量小于所述TB中包含的资源单位的数量。
在一实施例中，所述根据预先配置的HARQ反馈策略生成基于所述资源单位的HARQ反馈信息，包括：
根据所述HARQ反馈策略在至少一个反馈等级上将多个资源单位的反馈信息绑定为一个反馈信息单位，以生成所述HARQ反馈信息。
在一实施例中，所述HARQ反馈策略包括：
反馈等级、和每个反馈等级对应的反馈信息单位的数量；或者，
反馈等级、和每个反馈等级中与一个反馈信息单位绑定的资源单位的数量；或者，
反馈等级、每个反馈等级对应的反馈信息单位的数量、和每个反馈等级中与一个反馈信息单位绑定的资源单位的数量；
其中，所有反馈等级对应的所有反馈信息单位的数量之和小于所述TB中包含的资源单位的数量。
在一实施例中，所述HARQ反馈策略包括：反馈等级、和每个反馈等级对应的反馈信息单位的数量；
所述反馈等级包括：第一反馈等级；
根据所述HARQ反馈策略在至少一个反馈等级上将多个所述资源单位的反馈信息绑定为一个反馈信息单位，以生成所述HARQ反馈信息，包括：
根据所述HARQ反馈策略，确定所述第一反馈等级对应的反馈信息单位的第一预设数量；
将所述TB中包含的所述资源单位对应的反馈信息分别绑定为所述第一预设数量反馈信息单位；
获取数据接收状态信息，所述数据接收状态信息用于指示每个资源单位对应的数据接收成功或失败；
根据获取的所述数据接收状态信息，生成所述第一反馈等级对应的第一级反馈信息，所述HARQ反馈信息包括所述第一级反馈信息。
在一实施例中，所述反馈等级还包括：第二反馈等级；
所述根据所述HARQ反馈策略在至少一个反馈等级上将多个所述资源单位的反馈信息绑定为一个反馈信息单位，以生成所述HARQ反馈信息，还包括：
根据所述数据接收状态信息确定数据接收失败的第一级反馈信息；
根据所述HARQ反馈策略，确定所述第二反馈等级对应的反馈信息单位的第二预设数量；
将所述数据接收失败的第一级反馈信息中的部分或全部分别绑定为所述第二预设数量反馈信息单位；
根据所述数据接收状态信息，生成所述第二反馈等级对应的第二级反馈信息，所述HARQ反馈信息还包括所述第二级反馈信息。
在一实施例中，所述将所述数据接收失败的第一级反馈信息中的部分或全部分别绑定为所述第二预设数量反馈信息单位，包括：
若所述数据接收失败的第一级反馈信息大于一个反馈信息单位，则根据所述HARQ反馈策略确定至少一个反馈信息单位的数据接收失败的第一级反馈信息；
将确定的至少一个反馈信息单位的第一级反馈信息分别绑定为所述第二预设数量反馈信息单位。
在一实施例中，所述HARQ反馈策略包括：所述反馈等级、和每个反馈等级中与一个反馈信息单位绑定的资源单位的数量；
所述反馈等级的数量为一；
所述根据所述HARQ反馈策略在至少一个反馈等级上将多个所述资源单位的反馈信息绑定为一个反馈信息单位，，以生成所述HARQ反馈信息，包括：
将所述TB中包含的所述资源单位对应的反馈信息分别绑定为第三预设数量反馈信息单位，所述第三预设数量等于所述TB中包含的资源单位数量与所述反馈等级中一个反馈信息单位绑定的资源单位数量之商向上取整；
获取数据接收状态信息，所述数据接收状态信息用于指示每个资源单位对应的数据接收成功或失败；
根据所述数据接收状态信息，生成所述HARQ反馈信息。
在一实施例中，所述HARQ反馈策略还包括以下至少一项：
第一指示信息，所述第一指示信息用于指示所述HARQ反馈信息以显性方式或隐性方式 返回所述发送端；
第二指示信息，所述第二指示信息用于指示所有反馈等级使用的反馈信息单位数量之和固定不变或可变。
在一实施例中，所述第一指示信息用于指示所述HARQ反馈信息以隐性方式返回所述发送端；
所述HARQ反馈策略还包括：扰码序列、和被加扰数据的位置。
在一实施例中，所述反馈等级包括：第一反馈等级和第二反馈等级，所述被加扰数据的位置为第一级反馈信息的位置，第二级反馈信息以扰码的形式加扰到所述第一级反馈信息上并发送至所述发送端。
在一实施例中，所述发送端包括基站或用户设备(User Equipment，简称UE)。
在一实施例中，当所述发送端为基站时，所述方法还包括：
接收所述发送端发送的所述HARQ反馈策略。
根据本公开实施例的第二方面，提供一种混合自动重传请求HARQ反馈装置，所述装置包括：
数据接收模块，被配置为接收发送端以传输块TB为单位发送的数据，所述TB中包含多个资源单位；
生成返回模块，被配置为根据预先配置的HARQ反馈策略生成基于所述数据接收模块接收的数据对应的TB中包含的所述资源单位的HARQ反馈信息，并向所述发送端返回所述HARQ反馈信息，其中，所述HARQ反馈信息的反馈信息单位的数量小于所述TB中包含的资源单位的数量。
在一实施例中，所述生成返回模块，被配置为：
根据所述HARQ反馈策略在至少一个反馈等级上将多个所述资源单位的反馈信息绑定为一个反馈信息单位，以生成所述HARQ反馈信息。
在一实施例中，所述HARQ反馈策略包括：
反馈等级、和每个反馈等级对应的反馈信息单位的数量；或者，
反馈等级、和每个反馈等级中与一个反馈信息单位绑定的资源单位的数量；或者，
反馈等级、每个反馈等级对应的反馈信息单位的数量、和每个反馈等级中与一个反馈信 息单位绑定的资源单位的数量；
其中，所有反馈等级对应的所有反馈信息单位的数量之和小于所述TB中包含的资源单位的数量。
在一实施例中，所述HARQ反馈策略包括：反馈等级、和每个反馈等级对应的反馈信息单位的数量；
所述反馈等级包括：第一反馈等级；
根据生成返回模块包括：
第一确定子模块，被配置为根据所述HARQ反馈策略，确定所述第一反馈等级对应的反馈信息单位的第一预设数量；
第一绑定子模块，被配置为将所述TB中包含的资源单位对应的反馈信息分别绑定为所述第一确定子模块确定的所述第一预设数量反馈信息单位；
第一获取子模块，被配置为获取数据接收状态信息，所述数据接收状态信息用于指示每个资源单位对应的数据接收成功或失败；
第一生成子模块，被配置为根据所述第一获取子模块获取的所述数据接收状态信息，生成所述第一反馈等级对应的第一级反馈信息，所述HARQ反馈信息包括所述第一级反馈信息。
在一实施例中，所述反馈等级还包括：第二反馈等级；
所述生成返回模块还包括：
第二确定子模块，被配置为根据所述第一获取子模块获取的所述数据接收状态信息确定数据接收失败的第一级反馈信息；
第三确定子模块，被配置为根据所述HARQ反馈策略，确定所述第二反馈等级对应的反馈信息单位的第二预设数量；
第二绑定子模块，被配置为将所述第二确定子模块确定的所述数据接收失败的第一级反馈信息中的部分或全部分别绑定为所述第三确定子模块确定的所述第二预设数量反馈信息单位；
第二生成子模块，被配置为根据所述数据接收状态信息，生成所述第二反馈等级对应的第二级反馈信息，所述HARQ反馈信息还包括所述第二级反馈信息。
在一实施例中，所述第二绑定子模块包括：
确定单元，被配置为若所述数据接收失败的第一级反馈信息大于一个反馈信息单位，则根据所述HARQ反馈策略确定至少一个反馈信息单位的数据接收失败的第一级反馈信息；
绑定单元，被配置为将所述确定单元确定的至少一个反馈信息单位的第一级反馈信息分别绑定为所述第二预设数量反馈信息单位。
在一实施例中，所述HARQ反馈策略包括：所述反馈等级、和每个反馈等级中与一个反馈信息单位绑定的资源单位的数量；
所述反馈等级的数量为一；
所述生成返回模块包括：
第三绑定子模块，被配置为将所述TB中包含的资源单位对应的反馈信息分别绑定为第三预设数量反馈信息单位，所述第三预设数量等于所述TB中包含的资源单位数量与所述反馈等级中一个反馈信息单位绑定的资源单位数量之商向上取整；
第二获取子模块，被配置为获取数据接收状态信息，所述数据接收状态信息用于指示每个资源单位对应的数据接收成功或失败；
第三生成子模块，被配置为根据所述第二获取子模块获取的所述数据接收状态信息，生成所述HARQ反馈信息。
在一实施例中，所述HARQ反馈策略还包括以下至少一项：
第一指示信息，所述第一指示信息用于指示所述HARQ反馈信息以显性方式或隐性方式返回所述发送端；
第二指示信息，所述第二指示信息用于指示所有反馈等级使用的反馈信息单位数量之和固定不变或可变。
在一实施例中，所述第一指示信息用于指示所述HARQ反馈信息以隐性方式返回所述发送端；
所述HARQ反馈策略还包括：扰码序列、和被加扰数据的位置。
在一实施例中，所述反馈等级包括：第一反馈等级和第二反馈等级，所述被加扰数据的位置为第一级反馈信息的位置，第二级反馈信息以扰码的形式加扰到所述第一级反馈信息上并发送至所述发送端。
在一实施例中，所述发送端包括基站或用户设备UE。
在一实施例中，当所述发送端为基站时，所述装置还包括：
策略接收模块，被配置为在所述生成返回模块根据预先配置的HARQ反馈策略生成基于所述数据接收模块接收的数据对应的TB中包含的所述资源单位的HARQ反馈信息之前，接收所述发送端发送的所述HARQ反馈策略。
根据本公开实施例的第三方面，提供一种设备，包括：
处理器；
用于存储处理器可执行指令的存储器；
其中，所述处理器被配置为：
接收发送端以传输块TB为单位发送的数据，所述TB中包含多个资源单位；
根据预先配置的HARQ反馈策略生成基于所述资源单位的HARQ反馈信息，并向所述发送端返回所述HARQ反馈信息，其中，所述HARQ反馈信息的反馈信息单位的数量小于所述TB中包含的资源单位的数量。
根据本公开实施例的第四方面，提供一种计算机可读存储介质，其上存储有计算机程序(指令)，其特征在于，该程序(指令)被处理器执行时实现上述方法的步骤。
本公开的实施例提供的技术方案可以包括以下有益效果：
通过根据预先配置的HARQ反馈策略生成基于资源单位的HARQ反馈信息，使得HARQ反馈信息的反馈信息单位的数量小于TB中包含的资源单位的数量，从而达到节省反馈开销的目的。
通过根据HARQ反馈策略在至少一个反馈等级上将多个资源单位的反馈信息绑定为一个反馈信息单位，以使得HARQ反馈信息的反馈信息单位的数量小于TB中包含的资源单位的数量，从而为节省反馈开销提供条件。
通过描述HARQ反馈策略的内容，为根据HARQ反馈策略生成HARQ反馈信息提供了条件。
通过将TB中包含的资源单位对应的反馈信息分别绑定为第一预设数量反馈信息单位，并根据获取的数据接收状态信息，生成第一反馈等级对应的第一级反馈信息，使得第一级反馈信息可以反映与每个反馈信息单位相绑定的资源单位对应的数据接收状态，以用于发送端据此确定待重传的数据。
通过增加第二反馈等级，生成第二反馈等级对应的第二级反馈信息，使得第二级反馈信息可以以更小粒度反映与每个反馈信息单位相绑定的资源单位对应的数据接收状态，以用于发送端据此确定待重传的数据，从而可以减少发送端重传的数据量。
通过将确定的至少一个反馈信息单位的第一级反馈信息分别绑定为第二预设数量反馈信息单位，实现了将数据接收失败的第一级反馈信息中的部分或全部分别绑定为第二预设数量反馈信息单位，从而为生成第二级反馈信息提供了条件。
通过将TB中包含的资源单位对应的反馈信息分别绑定为第三预设数量反馈信息单位，并根据获取的数据接收状态信息，生成HARQ反馈信息，使得HARQ反馈信息可以反映与每个反馈信息单位相绑定的资源单位对应的数据接收状态，以用于发送端据此确定待重传的数据。
通过描述HARQ反馈策略还可以包括第一指示信息和第二指示信息中的至少一项，使得HARQ反馈信息可以多种方式返回发送端，也可以达到减少反馈信息的bit数量且又不会导致重传数据量大。
通过描述第一指示信息用于指示HARQ反馈信息以隐性方式返回发送端时，HARQ反馈策略还可以包括：扰码序列、和被加扰数据的位置，从而为后续HARQ反馈信息以隐性方式返回发送端提供条件。
通过将第二级反馈信息以扰码的形式加扰到第一级反馈信息上并发送至发送端，来限定HARQ反馈信息以隐性方式返回发送端的形式，实现方式简单。
通过描述发送端包括基站或UE，表明本公开提供的方案既适用于上行数据的HARQ反馈，又适用于下行数据的HARQ反馈。
通过当发送端为基站时，接收发送端发送的HARQ反馈策略来表明HARQ反馈策略的来源，也为后续根据HARQ反馈策略生成基于资源单位的HARQ反馈信息提供条件。
应当理解的是，以上的一般描述和后文的细节描述仅是示例性和解释性的，并不能限制本公开。
附图说明
图1是本申请一示例性实施例示出的一种HARQ反馈方法的流程图；
图2是本申请一示例性实施例示出的包含多个资源单位的TB的示意图；
图3A是本申请一示例性实施例示出的一种根据HARQ反馈策略生成HARQ反馈信息的流程图；
图3B是本申请一示例性实施例示出的一种TB与HARQ反馈信息的对应关系示意图一；
图4A是本申请一示例性实施例示出的另一种根据HARQ反馈策略生成HARQ反馈信息的流程图；
图4B是本申请一示例性实施例示出的一种TB与HARQ反馈信息的对应关系示意图二；
图5A是本申请一示例性实施例示出的另一种根据HARQ反馈策略生成HARQ反馈信息的流程图；
图5B是本申请一示例性实施例示出的一种TB与HARQ反馈信息的对应关系示意图三；
图5C是本申请一示例性实施例示出的一种TB与HARQ反馈信息的对应关系示意图四；
图6是根据一示例性实施例示出的一种HARQ反馈装置的框图；
图7是根据一示例性实施例示出的另一种HARQ反馈装置的框图；
图8是根据一示例性实施例示出的另一种HARQ反馈装置的框图；
图9是根据一示例性实施例示出的另一种HARQ反馈装置的框图；
图10是根据一示例性实施例示出的另一种HARQ反馈装置的框图；
图11是根据一示例性实施例示出的另一种HARQ反馈装置的框图；
图12是根据一示例性实施例示出的一种适用于HARQ反馈装置的框图；
图13是根据一示例性实施例示出的另一种适用于HARQ反馈装置的框图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例， 都属于本申请保护的范围。
本公开实施例提供一种HARQ反馈方法。参考图1，图1是本申请一示例性实施例示出的一种HARQ反馈方法的流程图，如图1所示，该HARQ反馈方法包括以下步骤：
在步骤S101中，接收发送端以TB为单位发送的数据，该TB中包含多个资源单位。
其中，发送端可以包括基站或UE，当发送端为基站时，该方法实施例从UE侧进行描述，即该实施例适用于下行数据的HARQ反馈，当发送端为UE时，该方法实施例从基站侧进行描述，即该实施例适用于上行数据的HARQ反馈。
在该实施例中，资源单位可以包括但不局限于CBG或代码块CB等。参考图2，图2是本申请一示例性实施例示出的包含多个资源单位的TB的示意图，如图2所示，1个TB可以包括多个CBG21，一个CBG21可以包括多个代码块(Code Block，CB)22。
返回图1，在步骤S102中，根据预先配置的HARQ反馈策略生成基于资源单位的HARQ反馈信息，并向发送端返回HARQ反馈信息，其中，HARQ反馈信息的反馈信息单位的数量小于TB中包含的资源单位的数量。
在该实施例中，HARQ反馈策略可以包括：反馈等级、和每个反馈等级对应的反馈信息单位的数量；或者，反馈等级、和每个反馈等级中与一个反馈信息单位绑定的资源单位的数量；或者，反馈等级、每个反馈等级对应的反馈信息单位的数量、和每个反馈等级中与一个反馈信息单位绑定的资源单位的数量。在本实施例中，反馈等级可以包括至少一个。
其中，所有反馈等级对应的所有反馈信息单位的数量之和小于TB中包含的资源单位的数量，反馈信息单位可以为bit，即所有反馈等级对应的所有bit的数量之和小于TB中包含的资源单位的数量。反馈等级的数量可以为一个，也可以为两个、三个或更多个，该实施例对反馈等级的数量不做具体限定。
继续以图2为例进行描述，如图2所示，资源单位可以为CBG，也可以为CB，反馈信息单位为bit。当资源单位为CBG时，所有反馈等级对应的所有反馈信息单位的数量之和为2个，TB中包含的资源单位的数量为8个，即所有反馈等级对应的所有反馈信息单位的数量之和TB中包含的资源单位的数量。当资源单位为CB时，所有反馈等级对应的所有反馈信息单位的数量之和为2个，TB中包含的资源单位的数量为16个，即所有反馈等级对应的所有反馈信息单位的数量之和TB中包含的资源单位的数量。
若该实施例中的发送端为基站，则UE可以先接收基站发送的HARQ反馈策略，并配置该HARQ反馈策略。
在该实施例中，可以根据HARQ反馈策略在至少一个反馈等级上将多个资源单位的反馈信息绑定为一个反馈信息单位，以生成HARQ反馈信息，由于所有反馈等级对应的所有bit的数量之和小于TB中包含的资源单位的数量，因此，生成的HARQ反馈信息的bit的数量小于TB中包含的资源单位的数量。例如，当资源单位为CBG时，所有反馈等级对应的所有bit的数量之和小于TB中包含的CBG的数量，当资源单位为CB时，所有反馈等级对应的所有bit的数量之和小于TB中包含的CB的数量。
另外，该HARQ反馈策略还可以包括第一指示信息和第二指示信息中的至少一项。
第一指示信息用于指示HARQ反馈信息以显性方式或隐性方式返回发送端。若第一指示信息指示HARQ反馈信息以隐性方式返回发送端，则该HARQ反馈策略还可以包括：扰码序列和被加扰数据的位置。
在该实施例中，反馈等级可以包括：第一反馈等级和第二反馈等级，被加扰数据的位置为第一级反馈信息的位置，则第二级反馈信息可以以扰码的形式加扰到第一级反馈信息上并发送至发送端，这样，发送端在接收到反馈信息后可以同时解析出第一级反馈信息和第二级反馈信息。
需要说明的是，上述描述仅为一个加扰示例，在实际应用中，可以不局限于反馈等级，例如在只有一个反馈等级的情况下，也可以将HARQ反馈信息以扰码的形式加扰到其它数据上，然后发送至发送端。
第二指示信息用于指示所有反馈等级使用的反馈信息单位数量之和固定不变或可变。由于5G中带宽更宽，时频资源划分更加动态，因此由于业务的需要，TB的长度也可能是动态的，当然很可能出现一个包括较多CB的TB。而对于一个TB而言，存在以下两种情况：第一种情况，TB中包括固定数量的CBG，而每个CBG中的CB数量是变化的，此类情况下基于CBG的反馈信息总量是固定的；第二种情况，一个CBG包括固定数量的CB，而TB中的CBG数量是变化的，此类情况下基于CBG的反馈信息总量是变化的。对于第一种情况，虽然反馈信息总量是固定的，但当TB较长时，例如一个TB中包含1000个CB时，假设此TB中固定包括10个CBG，则每个CBG包括100个CB，这必然会导致重传的单个CBG的数据量较大，从而使得重传效率降低。而第二种情况可以通过将CBG中的CB数量调整为较少，而提升TB中CBG的数量来减少每个CBG的大小，使得重传数据量减小，但这会形成基于CBG的反馈信息量变化的问题。即第一种情况和第二种情况，前者适合系统中TB均较短的情况，后者适合系统中会出现较长TB的情况，两种情况均适应某一些类型的业务，均有可能出现。为了解决两种情况均可能出现的问题，引入了第二指示信息，通过第二指示信 息可以指示反馈信息单位数量之和固定或可变的信息。
上述实施例，通过根据预先配置的HARQ反馈策略生成基于资源单位的HARQ反馈信息，使得HARQ反馈信息的反馈信息单位的数量小于TB中包含的资源单位的数量，从而达到节省反馈开销的目的。
在本实施例中，上述HARQ反馈策略可以包括：反馈等级和每个反馈等级中与一个反馈信息单位绑定的资源单位的数量，其中，反馈等级的数量为一。
参考图3A，图3A是本申请一示例性实施例示出的一种根据HARQ反馈策略生成HARQ反馈信息的流程图，如图3A所示，根据HARQ反馈策略生成HARQ反馈信息的方法包括以下步骤：
在步骤S301中，将TB中包含的资源单位对应的反馈信息分别绑定为第三预设数量反馈信息单位。
其中，第三预设数量等于TB中包含的资源单位数量与反馈等级中一个反馈信息单位绑定的资源单位数量之商向上取整。需要说明的是，第三预设数量和下文提到的第一预设数量、第二预设数量仅用于表示不同的预设数量，即也可以将第三预设数量称为第一预设数量，将第一预设数量称为第三预设数量。
在该实施例中，该实施例中的资源单位为CBG，反馈信息单位为bit，该反馈等级中与一个bit绑定的CBG数量为4个。参考图3B，图3B是本申请一示例性实施例示出的一种TB与HARQ反馈信息的对应关系示意图一，如图3B所示，TB中包含8个CBG，可以将CBG1、CBG2、CBG3和CBG4对应的反馈信息与第一个bit相绑定，将CBG5、CBG6、CBG7和CBG8对应的反馈信息与第二个bit相绑定。
另外，如果TB中包含10个CBG，即还包括CBG9和CBG10，则可以将CBG9和CBG10对应的反馈信息与第三个bit相绑定。
返回图3A，在步骤S302中，获取数据接收状态信息，该数据接收状态信息用于指示每个资源单位对应的数据接收成功或失败。
如图3B所示，获取图3B中8个CBG对应的数据接收状态信息。
返回图3A，在步骤S303中，根据与每个反馈信息单位相绑定的资源单位对应的数据接收状态信息，生成HARQ反馈信息。
如图3B所示，与第一个bit相绑定的4个CBG对应的数据接收状态均为数据接收成 功，则第一个bit对应的HARQ反馈信息为第一数值可以为1，与第二个bit相绑定的4个CBG中有1个CBG对应的数据接收状态为数据接收失败(例如，CBG5对应的数据接收状态为数据接收失败)，则第二个bit对应的HARQ反馈信息为第二数值可以为0，故HARQ反馈信息为10。
上述实施例，通过将TB中包含的资源单位对应的反馈信息分别绑定为第三预设数量反馈信息单位，并根据获取的数据接收状态信息，生成HARQ反馈信息，使得HARQ反馈信息可以反映与每个反馈信息单位相绑定的资源单位对应的数据接收状态，以用于发送端据此确定待重传的数据。
在本实施例中，HARQ反馈策略可以包括：反馈等级和每个反馈等级对应的反馈信息单位的数量，其中，反馈等级可以包括第一反馈等级。
参考图4A，图4A是本申请一示例性实施例示出的另一种根据HARQ反馈策略生成HARQ反馈信息的流程图，如图4A所示，根据HARQ反馈策略生成HARQ反馈信息的方法包括以下步骤：
在步骤S401中，根据HARQ反馈策略，确定第一反馈等级对应的反馈信息单位的第一预设数量。
由于HARQ反馈策略中指示第一反馈等级对应的bit的数量为2个，则可以确定第一预设数量为2个。
在步骤S402中，将TB中包含的资源单位对应的反馈信息分别绑定为第一预设数量反馈信息单位。
在该实施例中，参考图4B，图4B是本申请一示例性实施例示出的一种TB与HARQ反馈信息的对应关系示意图二，如图4B所示，资源单位为CBG，反馈信息单位为bit，第一预设数量为2，TB中包含8个CBG，由此，可以将8个CBG的反馈信息与2个bit相绑定，即可以将CBG1、CBG2、CBG3和CBG4的反馈信息与第一个bit相绑定，CBG5、CBG6、CBG7和CBG8的反馈信息与第二个bit相绑定。
返回图4A，在步骤S403中，获取数据接收状态信息，该数据接收状态信息用于指示每个资源单位对应的数据接收成功或失败。
在步骤S404中，根据获取的数据接收状态信息，生成第一反馈等级对应的第一级反馈信息，HARQ反馈信息包括第一级反馈信息。
如图4B所示，若第一个bit相绑定的4个CBG中有1个CBG对应的数据接收状态为数据接收失败(例如，CBG3对应的数据接收状态为数据接收失败)，则第一个bit对应的HARQ反馈信息为第二数值可以为0，与第二个bit相绑定的4个CBG中也有1个CBG对应的数据接收状态为数据接收失败(例如，CBG5对应的数据接收状态为数据接收失败)，则第二个bit对应的HARQ反馈信息为第二数值可以为0，故生成的第一级反馈信息为00。
上述实施例，通过将TB中包含的资源单位对应的反馈信息分别绑定为第一预设数量反馈信息单位，并根据获取的数据接收状态信息，生成第一反馈等级对应的第一级反馈信息，使得第一级反馈信息可以反映与每个反馈信息单位相绑定的资源单位对应的数据接收状态，以用于发送端据此确定待重传的数据。
图5A是本申请一示例性实施例示出的另一种根据HARQ反馈策略生成基于资源单位的HARQ反馈信息的流程图，该实施例在图4所示实施例的基础上增加第二反馈等级，如图5A所示，该方法还可以包括以下步骤：
在步骤S501中，根据数据接收状态信息确定数据接收失败的第一级反馈信息。
由于图4B中与两个bit对应的第一级反馈信息均为0，因此，可以确定数据接收失败的第一级反馈信息为两个bit。
在步骤S502中，根据HARQ反馈策略，确定第二反馈等级对应的反馈信息单位的第二预设数量。
由于HARQ反馈策略中指示第二反馈等级对应的bit的数量为4个，则可以确定第二预设数量为4个。
在步骤S503中，将数据接收失败的第一级反馈信息中的部分或全部分别绑定为第二预设数量反馈信息单位。
其中，该步骤S503可以包括：若数据接收失败的第一级反馈信息大于一个反馈信息单位，则根据HARQ反馈策略确定至少一个反馈信息单位的数据接收失败的第一级反馈信息，并将确定的至少一个反馈信息单位的第一级反馈信息对应的资源单位与第二预设数量反馈信息单位相绑定。
由于图4B中数据接收失败的第一级反馈信息为两个bit，则可以确定至少一个反馈信息单位的数据接收失败的第一级反馈信息，例如，可以确定一个反馈信息单位的数据接收失败的第一级反馈信息，也可以确定所有反馈信息单位的数据接收失败的第一级反馈信息。
当确定一个反馈信息单位的数据接收失败的第一级反馈信息时，可以将所确定的第一级反馈信息分别绑定为第二预设数量反馈信息单位，在该实施例中，所确定的第一级反馈信息为图4B中的第一个bit对应的第一级反馈信息，则如图5B所示，将图4B中的前四个CBG的反馈信息分别绑定为4个bit。
当确定所有反馈信息单位的数据接收失败的第一级反馈信息时，可以将所确定的第一级反馈信息对应的资源单位与第二预设数量反馈信息单位相绑定，在该实施例中，所确定的第一级反馈信息为图4B中的所有bit对应的第一级反馈信息，则如图5C所示，将图4B中的8个CBG的反馈信息分别绑定为4个bit。
返回图5A，在步骤S504中，根据数据接收状态信息，生成第二反馈等级对应的第二级反馈信息，HARQ反馈信息还包括第二级反馈信息。
对于图5B中的前四个CBG而言，除CBG3对应的数据接收状态信息为数据接收失败外，其他3个CBG对应的数据接收状态信息为数据接收成功，因此，图5B中生成的第二级反馈信息为1101。对于图5B而言，需要重传的数据有CBG3、CBG5、CBG6、CBG7和CBG8共5个CBG，而对于图4B而言，需要重传所有的CBG，即需要重传8个CBG，由此可见，通过增加第二级反馈信息可以减少重传数据量。
对于图5C中的CBG而言，除CBG3和CBG5对应的数据接收状态信息为数据接收失败，其他6个CBG对应的数据接收状态信息为数据接收成功，因此，图5C中生成的第二级反馈信息为1001。对于图5C而言，需要重传的数据有CBG3、CBG4、CBG5和CBG6共4个CBG，而对于图4B而言，需要重传所有的CBG，即需要重传8个CBG，由此可见，通过增加第二级反馈信息可以减少重传数据量。
上述实施例，通过增加第二反馈等级，生成第二反馈等级对应的第二级反馈信息，使得第二级反馈信息可以以更小粒度反映与每个反馈信息单位相绑定的资源单位对应的数据接收状态，以用于发送端据此确定待重传的数据，从而可以减少发送端重传的数据量。
与前述HARQ反馈方法实施例相对应，本公开还提供了HARQ反馈装置实施例。
图6是根据一示例性实施例示出的一种HARQ反馈装置的框图，如图6所示，该HARQ反馈装置包括：数据接收模块61和生成返回模块62。
数据接收模块61被配置为接收发送端以传输块TB为单位发送的数据，TB中包含多个资源单位。
其中，发送端可以包括基站或UE，当发送端为基站时，该方法实施例从UE侧进行 描述，即该实施例适用于下行数据的HARQ反馈，当发送端为UE时，该方法实施例从基站侧进行描述，即该实施例适用于上行数据的HARQ反馈。
在该实施例中，资源单位可以包括但不局限于CBG或代码块CB等。参考图2，图2是本申请一示例性实施例示出的包含多个资源单位的TB的示意图，如图2所示，1个TB21可以包括多个CBG22，一个CBG22可以包括多个代码块(Code Block，CB)23。
生成返回模块62被配置为根据预先配置的HARQ反馈策略生成基于数据接收模块61接收的数据对应的TB中包含的资源单位的HARQ反馈信息，并向发送端返回HARQ反馈信息，其中，HARQ反馈信息的反馈信息单位的数量小于TB中包含的资源单位的数量。
在该实施例中，HARQ反馈策略可以包括：反馈等级、和每个反馈等级对应的反馈信息单位的数量；或者，反馈等级、和每个反馈等级中与一个反馈信息单位绑定的资源单位的数量；或者，反馈等级、每个反馈等级对应的反馈信息单位的数量、和每个反馈等级中与一个反馈信息单位绑定的资源单位的数量。在本实施例中，反馈等级可以包括至少一个。
其中，所有反馈等级对应的所有反馈信息单位的数量之和小于TB中包含的资源单位的数量，反馈信息单位可以为bit，即所有反馈等级对应的所有bit的数量之和小于TB中包含的资源单位的数量。反馈等级的数量可以为一个，也可以为两个、三个或更多个，该实施例对反馈等级的数量不做具体限定。
以图3B为例进行描述，图3B是本申请一示例性实施例示出的一种TB与HARQ反馈信息的对应关系示意图一，如图3B所示，资源单位为CBG，反馈信息单位为bit，所有反馈等级对应的所有反馈信息单位的数量之和为2个，TB中包含的资源单位的数量为8个，即所有反馈等级对应的所有反馈信息单位的数量之和TB中包含的资源单位的数量。
在该实施例中，可以根据HARQ反馈策略在至少一个反馈等级上将多个资源单位的反馈信息绑定为一个反馈信息单位，以生成HARQ反馈信息，由于所有反馈等级对应的所有bit的数量之和小于TB中包含的资源单位的数量，因此，生成的HARQ反馈信息的bit的数量小于TB中包含的资源单位的数量。例如，当资源单位为CBG时，所有反馈等级对应的所有bit的数量之和小于TB中包含的CBG的数量，当资源单位为CB时，所有反馈等级对应的所有bit的数量之和小于TB中包含的CB的数量。
另外，该HARQ反馈策略还可以包括第一指示信息和第二指示信息中的至少一项。
第一指示信息用于指示HARQ反馈信息以显性方式或隐性方式返回发送端。若第一指示信息指示HARQ反馈信息以隐性方式返回发送端，则该HARQ反馈策略还可以包括： 扰码序列和被加扰数据的位置。
在该实施例中，反馈等级包括：第一反馈等级和第二反馈等级，被加扰数据的位置为第一级反馈信息的位置，则第二级反馈信息可以以扰码的形式加扰到第一级反馈信息上并发送至发送端，这样，发送端在接收到反馈信息后可以同时解析出第一级反馈信息和第二级反馈信息。
需要说明的是，上述描述仅为一个加扰示例，在实际应用中，可以不局限于反馈等级，例如在只有一个反馈等级的情况下，也可以将HARQ反馈信息以扰码的形式加扰到其它数据上，然后发送至发送端。
第二指示信息用于指示所有反馈等级使用的反馈信息单位数量之和固定不变或可变。由于5G中带宽更宽，时频资源更加动态，因此由于业务的需要，TB的长度也可能是动态的，当然很可能出现一个包括非常多CB的TB。而对于一个TB而言，存在以下两种情况：第一种情况，TB中包括固定数量的CBG，第二种情况，一个CBG包括固定数量的CB。对于第一种情况，当TB中包含1000个CB时，在该实施例中TB中包括10个CBG，则每个CBG包括100个CB，这必然会导致重传数据量大和重传效率低的问题。为了解决这个问题，引入了第二指示信息，通过第二指示信息可以指示反馈等级使用的反馈信息单位数量之和可变，根据第二指示信息可以将多个CB例如10个CB与一个反馈信息单位例如一个bit相绑定，从而达到减少反馈信息的bit数量的目的且又不会导致重传数据量大的问题。
如图6所示的装置用于实现上述如图1所示的方法流程，涉及到的相关内容描述相同，此处不赘述。
上述实施例，通过根据预先配置的HARQ反馈策略生成基于资源单位的HARQ反馈信息，使得HARQ反馈信息的反馈信息单位的数量小于TB中包含的资源单位的数量，从而达到节省反馈开销的目的。
图7是根据一示例性实施例示出的另一种HARQ反馈装置的框图，如图7所示，在上述图6所示实施例的基础上，HARQ反馈策略可以包括：反馈等级和每个反馈等级对应的反馈信息单位的数量；反馈等级可以包括第一反馈等级，生成返回模块62可包括：第一确定子模块621、第一绑定子模块622、第一获取子模块623和第一生成子模块624。
第一确定子模块621被配置为根据HARQ反馈策略，确定第一反馈等级对应的反馈信息单位的第一预设数量。
由于HARQ反馈策略中指示第一反馈等级对应的bit的数量为2个，则可以确定第一 预设数量为2个。
第一绑定子模块622被配置为将TB中包含的资源单位对应的反馈信息分别绑定为第一确定子模块621确定的第一预设数量反馈信息单位。
在该实施例中，参考图4B，图4B是本申请一示例性实施例示出的一种TB与HARQ反馈信息的对应关系示意图二，如图4B所示，资源单位为CBG，反馈信息单位为bit，第一预设数量为2，TB中包含8个CBG，由此，可以将8个CBG的反馈信息与2个bit相绑定，即可以将CBG1、CBG2、CBG3和CBG4的反馈信息与第一个bit相绑定，CBG5、CBG6、CBG7和CBG8的反馈信息与第二个bit相绑定。
第一获取子模块623被配置为获取数据接收状态信息，数据接收状态信息用于指示每个资源单位对应的数据接收成功或失败。
如图4B所示，若第一个bit相绑定的4个CBG中有1个CBG对应的数据接收状态为数据接收失败(例如，CBG3对应的数据接收状态为数据接收失败)，则第一个bit对应的HARQ反馈信息为第二数值可以为0，与第二个bit相绑定的4个CBG中也有1个CBG对应的数据接收状态为数据接收失败(例如，CBG5对应的数据接收状态为数据接收失败)，则第二个bit对应的HARQ反馈信息为第二数值可以为0，故生成的第一级反馈信息为00。
第一生成子模块624被配置为根据第一获取子模块623获取的数据接收状态信息，生成第一反馈等级对应的第一级反馈信息，HARQ反馈信息包括第一级反馈信息。
上述实施例，通过将TB中包含的资源单位对应的反馈信息分别绑定为第一预设数量反馈信息单位，并根据获取的数据接收状态信息，生成第一反馈等级对应的第一级反馈信息，使得第一级反馈信息可以反映与每个反馈信息单位相绑定的资源单位对应的数据接收状态，以用于发送端据此确定待重传的数据。
图8是根据一示例性实施例示出的另一种HARQ反馈装置的框图，如图8所示，反馈等级还可以包括第二反馈等级，在上述图7所示实施例的基础上，生成返回模块62还可包括：第二确定子模块625、第三确定子模块626、第二绑定子模块627和第二生成子模块628。
第二确定子模块625被配置为根据第一获取子模块获取的数据接收状态信息确定数据接收失败的第一级反馈信息。
由于图4B中与两个bit对应的第一级反馈信息均为0，因此，可以确定数据接收失败的第一级反馈信息为两个bit。
第三确定子模块626被配置为根据HARQ反馈策略，确定第二反馈等级对应的反馈信息单位的第二预设数量。
[49]由于HARQ反馈策略中指示第二反馈等级对应的bit的数量为4个，则可以确定第二预设数量为4个。
第二绑定子模块627被配置为将第二确定子模块625确定的数据接收失败的第一级反馈信息中的部分或全部分别绑定为第三确定子模块626确定的第二预设数量反馈信息单位。
若数据接收失败的第一级反馈信息大于一个反馈信息单位，则根据HARQ反馈策略确定至少一个反馈信息单位的数据接收失败的第一级反馈信息，并将确定的至少一个反馈信息单位的第一级反馈信息分别绑定为第二预设数量反馈信息单位。
由于图4B中数据接收失败的第一级反馈信息为两个bit，则可以确定至少一个反馈信息单位的数据接收失败的第一级反馈信息，例如，可以确定一个反馈信息单位的数据接收失败的第一级反馈信息，也可以确定所有反馈信息单位的数据接收失败的第一级反馈信息。
第二生成子模块628被配置为根据数据接收状态信息，生成第二反馈等级对应的第二级反馈信息，HARQ反馈信息还包括第二级反馈信息。
对于图5B中的前四个CBG而言，除CBG3对应的数据接收状态信息为数据接收失败外，其他3个CBG对应的数据接收状态信息为数据接收成功，因此，与图5B中的前四个CBG对应的第二级反馈信息为1101。对于图5B而言，需要重传的数据有CBG3、CBG5、CBG6、CBG7和CBG8共5个CBG，而对于图4B而言，需要重传所有的CBG，即需要重传8个CBG，由此可见，通过增加第二级反馈信息可以减少重传数据量。
对于图5C中的CBG而言，除CBG3和CBG5对应的数据接收状态信息为数据接收失败，其他6个CBG对应的数据接收状态信息为数据接收成功，因此，与图5C中的CBG对应的第二级反馈信息为1001。对于图5C而言，需要重传的数据有CBG3、CBG4、CBG5和CBG6共4个CBG，而对于图4B而言，需要重传所有的CBG，即需要重传8个CBG，由此可见，通过增加第二级反馈信息可以减少重传数据量。
上述实施例，通过增加第二反馈等级，生成第二反馈等级对应的第二级反馈信息，使得第二级反馈信息可以以更小粒度反映与每个反馈信息单位相绑定的资源单位对应的数据接收状态，以用于发送端据此确定待重传的数据，从而可以减少发送端重传的数据量。
图9是根据一示例性实施例示出的另一种HARQ反馈装置的框图，如图9所示，在上述图8所示实施例的基础上，第二绑定子模块627可以包括：确定单元6271和绑定单元 6272。
确定单元6271被配置为若数据接收失败的第一级反馈信息大于一个反馈信息单位，则根据HARQ反馈策略确定至少一个反馈信息单位的数据接收失败的第一级反馈信息。
绑定单元6272被配置为将确定单元6271确定的至少一个反馈信息单位的第一级反馈信息分别绑定为第二预设数量反馈信息单位。
当确定一个反馈信息单位的数据接收失败的第一级反馈信息时，可以将所确定的第一级反馈信息分别绑定为第二预设数量反馈信息单位，在该实施例中，所确定的第一级反馈信息为图4B中的第一个bit对应的第一级反馈信息，则如图5B所示，将图4B中的前四个CBG的反馈信息分别绑定为4个bit。
当确定所有反馈信息单位的数据接收失败的第一级反馈信息时，可以将所确定的第一级反馈信息对应的资源单位与第二预设数量反馈信息单位相绑定，在该实施例中所确定的第一级反馈信息为图4B中的所有bit对应的第一级反馈信息，则如图5C所示，将图4B中的8个CBG的反馈信息分别绑定为4个bit。
上述实施例，通过将确定的至少一个反馈信息单位的第一级反馈信息分别绑定为第二预设数量反馈信息单位，从而为后续生成第二级反馈信息提供条件，且实现方式灵活、多样。
图10是根据一示例性实施例示出的另一种HARQ反馈装置的框图，如图10所示，在上述图6所示实施例的基础上，HARQ反馈策略可以包括：反馈等级和每个反馈等级中与一个反馈信息单位绑定的资源单位的数量，反馈等级的数量为一，生成返回模块62可包括：第三绑定子模块6210、第二获取子模块6211和第三生成子模块6213。
第三绑定子模块6210被配置为将TB中包含的资源单位对应的反馈信息分别绑定为第三预设数量反馈信息单位，第三预设数量等于TB中包含的资源单位数量与反馈等级中一个反馈信息单位绑定的资源单位数量之商向上取整。
在该实施例中，该实施例中的资源单位为CBG，反馈信息单位为bit，该反馈等级中与一个bit绑定的CBG数量为4个。参考图3B，图3B是本申请一示例性实施例示出的一种TB与HARQ反馈信息的对应关系示意图一，如图3B所示，TB中包含8个CBG，可以将CBG1、CBG2、CBG3和CBG4对应的反馈信息与第一个bit相绑定，将CBG5、CBG6、CBG7和CBG8对应的反馈信息与第二个bit相绑定。
另外，如果TB中包含10个CBG，即还包括CBG9和CBG10，则可以将CBG9和CBG10对应的反馈信息与第三个bit相绑定。
第二获取子模块6211被配置为获取数据接收状态信息，数据接收状态信息用于指示每个资源单位对应的数据接收成功或失败。
第三生成子模块6213被配置为根据第二获取子模块6211获取的数据接收状态信息，生成HARQ反馈信息。
若与当前bit相绑定的4个CBG对应的数据接收状态均为数据接收成功，则当前bit对应的HARQ反馈信息为第一数值例如为1，若与当前bit相绑定的4个CBG中有1个CBG对应的数据接收状态为数据接收失败，则当前bit对应的HARQ反馈信息为第二数值例如为0。由于图3B中，除CBG5对应的数据接收状态信息为数据接收失败外，其他7个CBG对应的数据接收状态信息均为数据接收成功，因此，与图3B中的CBG对应的HARQ反馈信息为10。
上述实施例，通过将TB中包含的资源单位对应的反馈信息分别绑定为第三预设数量反馈信息单位，并根据获取的数据接收状态信息，生成HARQ反馈信息，使得HARQ反馈信息可以反映与每个反馈信息单位相绑定的资源单位对应的数据接收状态，以用于发送端据此确定待重传的数据。
图11是根据一示例性实施例示出的另一种HARQ反馈装置的框图，如图11所示，在上述图6所示实施例的基础上，若该实施例中的发送端为基站，则该装置还可以包括：策略接收模块63。
策略接收模块63被配置为在生成返回模块62根据预先配置的HARQ反馈策略生成基于数据接收模块接收的数据对应的TB中包含的资源单位的HARQ反馈信息之前，接收发送端发送的HARQ反馈策略。
上述实施例，通过接收发送端发送的HARQ反馈策略，从而为后续根据HARQ反馈策略生成基于资源单位的HARQ反馈信息提供条件。
图12是根据一示例性实施例示出的一种适用于HARQ反馈装置的框图。例如，装置1200可以是移动电话，计算机，数字广播终端，消息收发设备，游戏控制台，平板设备，医疗设备，健身设备，个人数字助理等用户设备。
参照图12，装置1200可以包括以下一个或多个组件：处理组件1202，存储器1204，电源组件1206，多媒体组件1208，音频组件1210，输入/输出(I/O)的接口1212，传感器组件1214，以及通信组件1216。
处理组件1202通常控制装置1200的整体操作，诸如与显示，电话呼叫，数据通信， 相机操作和记录操作相关联的操作。处理元件1202可以包括一个或多个处理器1220来执行指令，以完成上述的方法的全部或部分步骤。此外，处理组件1202可以包括一个或多个模块，便于处理组件1202和其他组件之间的交互。例如，处理部件1202可以包括多媒体模块，以方便多媒体组件1208和处理组件1202之间的交互。
存储器1204被配置为存储各种类型的数据以支持在设备1200的操作。这些数据的示例包括用于在装置1200上操作的任何应用程序或方法的指令，联系人数据，电话簿数据，消息，图片，视频等。存储器1204可以由任何类型的易失性或非易失性存储设备或者它们的组合实现，如静态随机存取存储器(SRAM)，电可擦除可编程只读存储器(EEPROM)，可擦除可编程只读存储器(EPROM)，可编程只读存储器(PROM)，只读存储器(ROM)，磁存储器，快闪存储器，磁盘或光盘。
电源组件1206为装置1200的各种组件提供电力。电源组件1206可以包括电源管理系统，一个或多个电源，及其他与为装置1200生成、管理和分配电力相关联的组件。
多媒体组件1208包括在装置1200和用户之间的提供一个输出接口的屏幕。在一些实施例中，屏幕可以包括液晶显示器(LCD)和触摸面板(TP)。如果屏幕包括触摸面板，屏幕可以被实现为触摸屏，以接收来自用户的输入信号。触摸面板包括一个或多个触摸传感器以感测触摸、滑动和触摸面板上的手势。触摸传感器可以不仅感测触摸或滑动动作的边界，而且还检测与触摸或滑动操作相关的持续时间和压力。在一些实施例中，多媒体组件1208包括一个前置摄像头和/或后置摄像头。当设备1200处于操作模式，如拍摄模式或视频模式时，前置摄像头和/或后置摄像头可以接收外部的多媒体数据。每个前置摄像头和后置摄像头可以是一个固定的光学透镜系统或具有焦距和光学变焦能力。
音频组件1210被配置为输出和/或输入音频信号。例如，音频组件1210包括一个麦克风(MIC)，当装置1200处于操作模式，如呼叫模式、记录模式和语音识别模式时，麦克风被配置为接收外部音频信号。所接收的音频信号可以被进一步存储在存储器1204或经由通信组件1216发送。在一些实施例中，音频组件1210还包括一个扬声器，用于输出音频信号。
I/O接口1212为处理组件1202和外围接口模块之间提供接口，上述外围接口模块可以是键盘，点击轮，按钮等。这些按钮可包括但不限于：主页按钮、音量按钮、启动按钮和锁定按钮。
传感器组件1214包括一个或多个传感器，用于为装置1200提供各个方面的状态评估。例如，传感器组件1214可以检测到设备1200的打开/关闭状态，组件的相对定位，例如组件 为装置1200的显示器和小键盘，传感器组件1214还可以检测装置1200或装置1200一个组件的位置改变，用户与装置1200接触的存在或不存在，装置1200方位或加速/减速和装置1200的温度变化。传感器组件1214可以包括接近传感器，被配置用来在没有任何的物理接触时检测附近物体的存在。传感器组件1214还可以包括光传感器，如CMOS或CCD图像传感器，用于在成像应用中使用。在一些实施例中，该传感器组件1214还可以包括加速度传感器，陀螺仪传感器，磁传感器，压力传感器或温度传感器。
通信组件1216被配置为便于装置1200和其他设备之间有线或无线方式的通信。装置1200可以接入基于通信标准的无线网络，如WiFi，2G或3G，或它们的组合。在一个示例性实施例中，通信部件1216经由广播信道接收来自外部广播管理系统的广播信号或广播相关信息。在一个示例性实施例中，通信部件1216还包括近场通信(NFC)模块，以促进短程通信。例如，在NFC模块可基于射频识别(RFID)技术，红外数据协会(IrDA)技术，超宽带(UWB)技术，蓝牙(BT)技术和其他技术来实现。
在示例性实施例中，装置1200可以被一个或多个应用专用集成电路(ASIC)、数字信号处理器(DSP)、数字信号处理设备(DSPD)、可编程逻辑器件(PLD)、现场可编程门阵列(FPGA)、控制器、微控制器、微处理器或其他电子元件实现，用于执行上述方法。
在示例性实施例中，还提供了一种包括指令的非临时性计算机可读存储介质，例如包括指令的存储器1204，上述指令可由装置1200的处理器1220执行以完成上述方法。例如，非临时性计算机可读存储介质可以是ROM、随机存取存储器(RAM)、CD-ROM、磁带、软盘和光数据存储设备等。
图13是根据一示例性实施例示出的另一种适用于HARQ反馈装置的框图。装置1300可以被提供为一基站。参照图13，装置1300包括处理组件1322、无线发射/接收组件1324、天线组件1326、以及无线接口特有的信号处理部分，处理组件1322可进一步包括一个或多个处理器。
处理组件1322中的其中一个处理器可以被配置为：
接收发送端以传输块TB为单位发送的数据，TB中包含多个资源单位；
根据预先配置的HARQ反馈策略生成基于资源单位的HARQ反馈信息，并向发送端返回HARQ反馈信息，其中，HARQ反馈信息的反馈信息单位的数量小于TB中包含的资源单位的数量。
对于装置实施例而言，由于其基本对应于方法实施例，所以相关之处参见方法实施例 的部分说明即可。以上所描述的装置实施例仅仅是示意性的，其中作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部模块来实现本实施例方案的目的。本领域普通技术人员在不付出创造性劳动的情况下，即可以理解并实施。
需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
以上对本发明实施例所提供的方法和装置进行了详细介绍，本文中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及其核心思想；同时，对于本领域的一般技术人员，依据本发明的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本发明的限制。

Claims (26)

  1. 一种混合自动重传请求HARQ反馈方法，其特征在于，所述方法包括：
    接收发送端以传输块TB为单位发送的数据，所述TB中包含多个资源单位；
    根据预先配置的HARQ反馈策略生成基于所述资源单位的HARQ反馈信息，并向所述发送端返回所述HARQ反馈信息，其中，所述HARQ反馈信息的反馈信息单位的数量小于所述TB中包含的资源单位的数量。
  2. 根据权利要求1所述的方法，其特征在于，所述根据预先配置的HARQ反馈策略生成基于所述资源单位的HARQ反馈信息，包括：
    根据所述HARQ反馈策略在至少一个反馈等级上将多个所述资源单位的反馈信息绑定为一个反馈信息单位，以生成所述HARQ反馈信息。
  3. 根据权利要求2所述的方法，其特征在于，所述HARQ反馈策略包括：
    反馈等级、和每个反馈等级对应的反馈信息单位的数量；或者，
    反馈等级、和每个反馈等级中与一个反馈信息单位绑定的资源单位的数量；或者，
    反馈等级、每个反馈等级对应的反馈信息单位的数量、和每个反馈等级中与一个反馈信息单位绑定的资源单位的数量；
    其中，所有反馈等级对应的所有反馈信息单位的数量之和小于所述TB中包含的资源单位的数量。
  4. 根据权利要求3所述的方法，其特征在于，所述HARQ反馈策略包括：反馈等级、和每个反馈等级对应的反馈信息单位的数量；
    所述反馈等级包括：第一反馈等级；
    根据所述HARQ反馈策略在至少一个反馈等级上将多个所述资源单位的反馈信息绑定为一个反馈信息单位，以生成所述HARQ反馈信息，包括：
    根据所述HARQ反馈策略，确定所述第一反馈等级对应的反馈信息单位的第一预设数量；
    将所述TB中包含的所述资源单位对应的反馈信息分别绑定为所述第一预设数量反馈信息单位；
    获取数据接收状态信息，所述数据接收状态信息用于指示每个资源单位对应的数据接收成功或失败；
    根据获取的所述数据接收状态信息，生成所述第一反馈等级对应的第一级反馈信息，所述HARQ反馈信息包括所述第一级反馈信息。
  5. 根据权利要求4所述的方法，其特征在于，所述反馈等级还包括：第二反馈等级；
    所述根据所述HARQ反馈策略在至少一个反馈等级上将多个所述资源单位的反馈信息绑定为一个反馈信息单位，以生成所述HARQ反馈信息，还包括：
    根据所述数据接收状态信息确定数据接收失败的第一级反馈信息；
    根据所述HARQ反馈策略，确定所述第二反馈等级对应的反馈信息单位的第二预设数量；
    将所述数据接收失败的第一级反馈信息中的部分或全部分别绑定为所述第二预设数量反馈信息单位；
    根据所述数据接收状态信息，生成所述第二反馈等级对应的第二级反馈信息，所述HARQ反馈信息还包括所述第二级反馈信息。
  6. 根据权利要求5所述的方法，其特征在于，所述将所述数据接收失败的第一级反馈信息中的部分或全部分别绑定为所述第二预设数量反馈信息单位，包括：
    若所述数据接收失败的第一级反馈信息大于一个反馈信息单位，则根据所述HARQ反馈策略确定至少一个反馈信息单位的数据接收失败的第一级反馈信息；
    将确定的至少一个反馈信息单位的第一级反馈信息分别绑定为所述第二预设数量反馈信息单位。
  7. 根据权利要求3所述的方法，其特征在于，所述HARQ反馈策略包括：所述反馈等级、和每个反馈等级中与一个反馈信息单位绑定的资源单位的数量；
    所述反馈等级的数量为一；
    所述根据所述HARQ反馈策略在至少一个反馈等级上将多个所述资源单位的反馈信息绑定为一个反馈信息单位，以生成所述HARQ反馈信息，包括：
    将所述TB中包含的所述资源单位对应的反馈信息分别绑定为第三预设数量反馈信息单位，所述第三预设数量等于所述TB中包含的资源单位数量与所述反馈等级中一个反馈信息单位绑定的资源单位数量之商向上取整；
    获取数据接收状态信息，所述数据接收状态信息用于指示每个资源单位对应的数据接收成功或失败；
    根据所述数据接收状态信息，生成所述HARQ反馈信息。
  8. 根据权利要求3所述的方法，其特征在于，所述HARQ反馈策略还包括以下至少一项：
    第一指示信息，所述第一指示信息用于指示所述HARQ反馈信息以显性方式或隐性方式返回所述发送端；
    第二指示信息，所述第二指示信息用于指示所有反馈等级使用的反馈信息单位数量之和 固定不变或可变。
  9. 根据权利要求8所述的方法，其特征在于，所述第一指示信息用于指示所述HARQ反馈信息以隐性方式返回所述发送端；
    所述HARQ反馈策略还包括：扰码序列、和被加扰数据的位置。
  10. 根据权利要求9所述的方法，其特征在于，所述反馈等级包括：第一反馈等级和第二反馈等级，所述被加扰数据的位置为第一级反馈信息的位置，第二级反馈信息以扰码的形式加扰到所述第一级反馈信息上并发送至所述发送端。
  11. 根据权利要求1所述的方法，其特征在于，所述发送端包括基站或用户设备UE。
  12. 根据权利要求11所述的方法，其特征在于，当所述发送端为基站时，所述方法还包括：
    接收所述发送端发送的所述HARQ反馈策略。
  13. 一种混合自动重传请求HARQ反馈装置，其特征在于，所述装置包括：
    数据接收模块，被配置为接收发送端以传输块TB为单位发送的数据，所述TB中包含多个资源单位；
    生成返回模块，被配置为根据预先配置的HARQ反馈策略生成基于所述数据接收模块接收的数据对应的TB中包含的所述资源单位的HARQ反馈信息，并向所述发送端返回所述HARQ反馈信息，其中，所述HARQ反馈信息的反馈信息单位的数量小于所述TB中包含的资源单位的数量。
  14. 根据权利要求13所述的装置，其特征在于，所述生成返回模块，被配置为：
    根据所述HARQ反馈策略在至少一个反馈等级上将多个所述资源单位的反馈信息绑定为一个反馈信息单位，以生成所述HARQ反馈信息。
  15. 根据权利要求14所述的装置，其特征在于，所述HARQ反馈策略包括：
    反馈等级、和每个反馈等级对应的反馈信息单位的数量；或者，
    反馈等级、和每个反馈等级中与一个反馈信息单位绑定的资源单位的数量；或者，
    反馈等级、每个反馈等级对应的反馈信息单位的数量、和每个反馈等级中与一个反馈信息单位绑定的资源单位的数量；
    其中，所有反馈等级对应的所有反馈信息单位的数量之和小于所述TB中包含的资源单位的数量。
  16. 根据权利要求15所述的装置，其特征在于，所述HARQ反馈策略包括：反馈等级、和每个反馈等级对应的反馈信息单位的数量；
    所述反馈等级包括：第一反馈等级；
    根据生成返回模块包括：
    第一确定子模块，被配置为根据所述HARQ反馈策略，确定所述第一反馈等级对应的反馈信息单位的第一预设数量；
    第一绑定子模块，被配置为将所述TB中包含的资源单位对应的反馈信息分别绑定为所述第一确定子模块确定的所述第一预设数量反馈信息单位；
    第一获取子模块，被配置为获取数据接收状态信息，所述数据接收状态信息用于指示每个资源单位对应的数据接收成功或失败；
    第一生成子模块，被配置为根据所述第一获取子模块获取的所述数据接收状态信息，生成所述第一反馈等级对应的第一级反馈信息，所述HARQ反馈信息包括所述第一级反馈信息。
  17. 根据权利要求16所述的装置，其特征在于，所述反馈等级还包括：第二反馈等级；
    所述生成返回模块还包括：
    第二确定子模块，被配置为根据所述第一获取子模块获取的所述数据接收状态信息确定数据接收失败的第一级反馈信息；
    第三确定子模块，被配置为根据所述HARQ反馈策略，确定所述第二反馈等级对应的反馈信息单位的第二预设数量；
    第二绑定子模块，被配置为将所述第二确定子模块确定的所述数据接收失败的第一级反馈信息中的部分或全部分别绑定为所述第三确定子模块确定的所述第二预设数量反馈信息单位；
    第二生成子模块，被配置为根据所述数据接收状态信息，生成所述第二反馈等级对应的第二级反馈信息，所述HARQ反馈信息还包括所述第二级反馈信息。
  18. 根据权利要求17所述的装置，其特征在于，所述第二绑定子模块包括：
    确定单元，被配置为若所述数据接收失败的第一级反馈信息大于一个反馈信息单位，则根据所述HARQ反馈策略确定至少一个反馈信息单位的数据接收失败的第一级反馈信息；
    绑定单元，被配置为将所述确定单元确定的至少一个反馈信息单位的第一级反馈信息分别绑定为所述第二预设数量反馈信息单位。
  19. 根据权利要求15所述的装置，其特征在于，所述HARQ反馈策略包括：所述反馈等级、和每个反馈等级中与一个反馈信息单位绑定的资源单位的数量；
    所述反馈等级的数量为一；
    所述生成返回模块包括：
    第三绑定子模块，被配置为将所述TB中包含的资源单位对应的反馈信息分别绑定为第三预设数量反馈信息单位，所述第三预设数量等于所述TB中包含的资源单位数量与所述反馈等级中一个反馈信息单位绑定的资源单位数量之商向上取整；
    第二获取子模块，被配置为获取数据接收状态信息，所述数据接收状态信息用于指示每个资源单位对应的数据接收成功或失败；
    第三生成子模块，被配置为根据所述第二获取子模块获取的所述数据接收状态信息，生成所述HARQ反馈信息。
  20. 根据权利要求15所述的装置，其特征在于，所述HARQ反馈策略还包括以下至少一项：
    第一指示信息，所述第一指示信息用于指示所述HARQ反馈信息以显性方式或隐性方式返回所述发送端；
    第二指示信息，所述第二指示信息用于指示所有反馈等级使用的反馈信息单位数量之和固定不变或可变。
  21. 根据权利要求20所述的装置，其特征在于，所述第一指示信息用于指示所述HARQ反馈信息以隐性方式返回所述发送端；
    所述HARQ反馈策略还包括：扰码序列、和被加扰数据的位置。
  22. 根据权利要求21所述的装置，其特征在于，所述反馈等级包括：第一反馈等级和第二反馈等级，所述被加扰数据的位置为第一级反馈信息的位置，第二级反馈信息以扰码的形式加扰到所述第一级反馈信息上并发送至所述发送端。
  23. 根据权利要求13所述的装置，其特征在于，所述发送端包括基站或用户设备UE。
  24. 根据权利要求23所述的装置，其特征在于，当所述发送端为基站时，所述装置还包括：
    策略接收模块，被配置为在所述生成返回模块根据预先配置的HARQ反馈策略生成基于所述数据接收模块接收的数据对应的TB中包含的所述资源单位的HARQ反馈信息之前，接收所述发送端发送的所述HARQ反馈策略。
  25. 一种设备，其特征在于，包括：
    处理器；
    用于存储处理器可执行指令的存储器；
    其中，所述处理器被配置为：
    接收发送端以传输块TB为单位发送的数据，所述TB中包含多个资源单位；
    根据预先配置的HARQ反馈策略生成基于所述资源单位的HARQ反馈信息，并向所述发送端返回所述HARQ反馈信息，其中，所述HARQ反馈信息的反馈信息单位的数量小于所述TB中包含的资源单位的数量。
  26. 一种计算机可读存储介质，其上存储有计算机程序(指令)，其特征在于，该程序(指令)被处理器执行时实现权利要求1所述方法的步骤。
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