WO2019213979A1 - 数据传输的方法和装置 - Google Patents

数据传输的方法和装置 Download PDF

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Publication number
WO2019213979A1
WO2019213979A1 PCT/CN2018/086622 CN2018086622W WO2019213979A1 WO 2019213979 A1 WO2019213979 A1 WO 2019213979A1 CN 2018086622 W CN2018086622 W CN 2018086622W WO 2019213979 A1 WO2019213979 A1 WO 2019213979A1
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WIPO (PCT)
Prior art keywords
tbs
equal
parameter
repetition number
terminal device
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PCT/CN2018/086622
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English (en)
French (fr)
Inventor
赵越
余政
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to BR112020022917-2A priority Critical patent/BR112020022917A2/pt
Priority to PCT/CN2018/086622 priority patent/WO2019213979A1/zh
Priority to EP18917875.9A priority patent/EP3787332A4/en
Priority to CN201880093211.0A priority patent/CN112106398A/zh
Publication of WO2019213979A1 publication Critical patent/WO2019213979A1/zh
Priority to US17/094,159 priority patent/US20210058213A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • 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
    • H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
    • H04L1/0083—Formatting with frames or packets; Protocol or part of protocol for error control
    • 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
    • H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
    • 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
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0092—Indication of how the channel is divided
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]

Definitions

  • the present application relates to the field of communications, and more particularly to a method and apparatus for data transmission.
  • eFeMTC Enhanced Machine-Type Communications
  • the network device can configure a transport block size (TBS) for the terminal device through system messages.
  • TBS is a maximum TBS that the network device can configure for the terminal device, and the terminal device performs data transmission according to the maximum TBS, so that the delay between the terminal device and the network device for transmitting data is relatively large.
  • the present application provides a data transmission method and apparatus, which can reduce transmission delays of network devices and terminal devices.
  • a method of data transmission comprising:
  • the preset TBS set includes one or more TBSs, and the first TBS is the largest TBS in the TBS set;
  • the first data is transmitted according to the second TBS.
  • the first TBS configured by the terminal device according to the network device may determine a preset TBS set, and determine, in the preset TBS set, a second TBS that transmits the first data, and then send the first data according to the second TBS, that is, The terminal device can select an appropriate TBS according to the size of the data, thereby saving data transmission delay.
  • the method further includes:
  • first control information includes first repetition number information, where the first repetition number information indicates a first repetition number
  • the first data is transmitted according to the second number of repetitions.
  • the first parameter is determined by the terminal device according to the first TBS configured by the network device, and determining, according to the first parameter and the first repetition number of the network device configuration, a suitable second repetition number, and the terminal device may send the first data according to the second repetition number, that is, the terminal device sends the first data according to the second repetition number and the second TBS, thereby improving communication quality and saving data. Transmission delay.
  • the first parameter has a value range of 1/2, 1; or
  • the first parameter ranges from 1/4, 1/2, and 1; or
  • the value of the first parameter ranges from 1/8, 1/4, 1/2, and 1.
  • the preset TBS set is ⁇ T1, T2, T3, T4 ⁇ , where T4 is the first TBS, and T1 ⁇ T2 ⁇ T3 ⁇ T4,
  • the first parameter is equal to 1, where M is a predetermined positive integer;
  • the first parameter is equal to 1/2;
  • the first parameter is equal to one.
  • the network device and the terminal device can design the first parameter according to the second TBS and the first TBS, so that the first data that the terminal device can send to the network device according to the reasonable TBS and/or the number of repetitions further improves the communication quality and saves the communication. Data transmission delay.
  • M is equal to 600.
  • the terminal device is in coverage enhancement level 0, coverage enhancement level 1, or coverage enhancement mode A, and the first TBS is less than or equal to N1, the first parameter is equal to 1, where N1 is a predetermined positive integer;
  • the terminal device is in coverage enhancement level 2, coverage enhancement level 3 or coverage enhancement mode B, and the first TBS is less than or equal to N2, the first parameter is equal to 1, where N2 is a predetermined positive integer.
  • the network device and the terminal device can set different first parameters for different terminal devices according to the coverage enhancement level or mode in which the terminal device is located, thereby further improving the communication quality and saving the data transmission delay.
  • the N1 is equal to any one of 408, 504, 600; or the N2 is equal to any one of 408, 456, 504, 600.
  • the preset TBS set is ⁇ T1, T2, T3, T4 ⁇ , where T4 is the first TBS, and T1 ⁇ T2 ⁇ T3 ⁇ T4, and T4 is greater than or equal to K, where K is a predetermined positive integer,
  • the first parameter is equal to 1;
  • the first parameter is equal to 1/2.
  • the network device and the terminal device can design the first parameter according to the second TBS and the first TBS, so that the first data that the terminal device can send to the network device according to the reasonable TBS and/or the number of repetitions further improves the communication quality and saves the communication. Data transmission delay.
  • K is equal to any of 456, 504, 600.
  • the first control information further includes first indication information, where the first indication information indicates whether the terminal device transmits the first data by using the first repetition number, or transmits the first data by using a second repetition number One data.
  • the network device in the embodiment of the present application may indicate whether the terminal device is allowed to update the data repetition times, so that the terminal device transmits data according to the indication of the network device, so that the network device and the terminal device communicate with the TBS by using a consistent number of repetitions, thereby improving communication quality.
  • the first control information further includes second indication information, where the second indication information indicates the second parameter, the method further includes:
  • the first data is transmitted according to the third repetition number.
  • the network device may further indicate, by using the second indication information, the number of retransmissions of the terminal device, where the second indication information is carried in the control information, where the second indication information indicates the second parameter, thereby improving the number of retransmissions indicating that the terminal device is updated. flexibility.
  • determining the third repetition number according to the second parameter and the first repetition number includes:
  • Determining the third repetition number according to the second parameter and the second repetition number includes:
  • the product of the second parameter and the second number of repetitions is determined as the third number of repetitions.
  • the second parameter has a value range of 1/2, 1; or
  • the second parameter has a value range of 1/4, 1/2, 1; or
  • the second parameter ranges from 1/8, 1/4, 1/2, and 1.
  • a method of data transmission comprising:
  • the preset TBS set includes one or more TBSs, and the first TBS is the largest TBS in the TBS set;
  • the first data is received according to the one or more TBSs.
  • the network device receives the first data according to each TBS in the preset TBS set, so that the terminal device and the network device communicate by using a consistent TBS, thereby improving communication quality.
  • the method further includes:
  • the first control information includes a first repetition number information, where the first repetition number information indicates a first repetition number
  • the first data is received according to the one or more second repetition times.
  • the network device Determining, by the network device, a corresponding one or more first parameters according to each TBS in the first TBS and the preset TBS set, and determining corresponding multiples according to the one or more first parameters and the first repetition quantity The second number of repetitions, the network device detects the first number according to each second repetition number and the corresponding TBS, so that the terminal device and the network device adopt a consistent repetition number and TBS, thereby improving communication quality.
  • the preset TBS set is ⁇ T1, T2, T3, T4 ⁇ , where T4 is the first TBS, and T1 ⁇ T2 ⁇ T3 ⁇ T4,
  • the first parameter is equal to 1, where M is a predetermined positive integer;
  • the first parameter is equal to 1/2;
  • the first parameter is equal to one.
  • M is equal to 600.
  • the terminal device is in coverage enhancement level 0, coverage enhancement level 1, or coverage enhancement mode A, and the first TBS is less than or equal to N1, the first parameter is equal to 1, where N1 is a predetermined positive integer;
  • the terminal device is in coverage enhancement level 2, coverage enhancement level 3 or coverage enhancement mode B, and the first TBS is less than or equal to N2, the first parameter is equal to 1, where N2 is a predetermined positive integer.
  • the N1 is equal to any one of 408, 504, 600; or the N2 is equal to any one of 408, 456, 504, 600.
  • the preset TBS set is ⁇ T1, T2, T3, T4 ⁇ , where T4 is the first TBS, and T1 ⁇ T2 ⁇ T3 ⁇ T4, and T4 is greater than or equal to K, where K is a predetermined positive integer,
  • the first parameter is equal to 1;
  • the first parameter is equal to 1/2.
  • K is equal to any of 456, 504, 600.
  • the first control information further includes first indication information, where the first indication information indicates whether the terminal device transmits the first data by using the first repetition number, or transmits the first data by using a second repetition number One data.
  • the first control information further includes second indication information, where the second indication information indicates a second parameter, where the second parameter is used by the terminal device to determine a third repetition number, where the third repetition number is used.
  • the first data is transmitted.
  • an apparatus for a method of data transmission may be a terminal device or a chip in the terminal device.
  • the device has the functionality to implement the various embodiments of the first aspect described above. This function can be implemented in hardware or in hardware by executing the corresponding software.
  • the hardware or software includes one or more units corresponding to the functions described above.
  • the terminal device when the device is a terminal device, the terminal device includes: a processing module and a transceiver module, the processing module may be, for example, a processor, and the transceiver module may be, for example, a transceiver, the transceiver
  • the device includes a radio frequency circuit.
  • the terminal device further includes a storage unit, which may be, for example, a memory.
  • the storage unit is configured to store a computer execution instruction
  • the processing module is coupled to the storage unit, and the processing module executes a computer execution instruction stored by the storage unit, so that the terminal device performs the first aspect Any method of data transmission.
  • the chip when the device is a chip in the terminal device, the chip includes: a processing module and a transceiver module, and the processing module may be, for example, a processor, and the transceiver module may be, for example, the chip. Input/output interface, pins or circuits, etc.
  • the processing module may execute a computer-executable instruction stored by the storage unit to cause the chip within the terminal to perform the method of data transmission of any of the above aspects.
  • the storage unit is a storage unit in the chip, such as a register, a cache, etc.
  • the storage unit may also be a storage unit located outside the chip in the terminal device, such as a read-only memory ( Read-only memory (ROM) or other types of static storage devices, random access memory (RAM), etc. that can store static information and instructions.
  • ROM Read-only memory
  • RAM random access memory
  • the processor mentioned in any of the above may be a general-purpose central processing unit (CPU), a microprocessor, an application-specific integrated circuit (ASIC), or one or more for controlling the above.
  • the first aspect of the method of data transmission is performed by an integrated circuit.
  • a device for data transmission is provided, and the device may be a network device or a chip in the network device.
  • the device for data transmission has the functionality to implement the various embodiments of the second aspect described above. This function can be implemented in hardware or in hardware by executing the corresponding software.
  • the hardware or software includes one or more units corresponding to the functions described above.
  • the network device when the device for data transmission is a network device, the network device includes: a processing module and a transceiver module, and the processing module may be, for example, a processor, and the transceiver module may be, for example, a transceiver.
  • the transceiver includes a radio frequency circuit.
  • the network device further includes a storage unit, which may be, for example, a memory.
  • the storage unit is configured to store a computer execution instruction
  • the processing module is coupled to the storage unit, and the processing module executes a computer execution instruction stored by the storage unit to cause the network device to perform the second aspect Any method of data transmission.
  • the chip when the device is a chip in a network device, the chip includes: a processing module and a transceiver module, and the processing module may be, for example, a processor, and the transceiver module may be, for example, the chip. Input/output interface, pins or circuits, etc.
  • the processing module may execute a computer-executable instruction stored by the storage unit to cause the chip within the network device to perform the method of data transmission of any of the above second aspects.
  • the storage unit is a storage unit in the chip, such as a register, a cache, etc., and the storage unit may also be a storage unit located outside the chip in the network device, such as a ROM or may be stored. Static information and instructions for other types of static storage devices, RAM, etc.
  • the processor mentioned in any of the above may be a CPU, a microprocessor, an ASIC, or an integrated circuit of one or more programs for controlling the method of data transmission of the second aspect described above.
  • a fifth aspect a computer storage medium storing program code for indicating an instruction to perform the method of the first aspect or the second aspect or any possible implementation thereof .
  • a computer program product comprising instructions, when executed on a computer, causes the computer to perform the method of the first or second aspect or any possible implementation thereof.
  • a communication system comprising the apparatus of the above third aspect and the apparatus of the above fourth aspect.
  • a processor is provided for coupling with a memory for performing the method of the first aspect or the second aspect or any possible implementation thereof.
  • the terminal device may determine a preset TBS set according to the first TBS configured by the network device, and determine, in the preset TBS set, a second TBS that transmits the first data, and then send the first data according to the second TBS. That is to say, the terminal device can select an appropriate TBS according to the size of the data, thereby saving data transmission delay.
  • Figure 1 is a schematic illustration of a communication system of the present application
  • FIG. 2 is a schematic flow chart of data transmission in a conventional scheme
  • MAC Medium Access Control
  • PDU Protocol Data Unit
  • RAR MAC random access response
  • FIG. 5 is a schematic structural diagram of another MAC RAR
  • FIG. 6 is a schematic flowchart of a method for data transmission in an embodiment of the present application.
  • FIG. 7 is a schematic block diagram of an apparatus for data transmission according to an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of an apparatus for data transmission according to an embodiment of the present application.
  • FIG. 9 is a schematic block diagram of an apparatus for data transmission according to another embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of an apparatus for data transmission according to another embodiment of the present application.
  • FIG. 11 is a schematic block diagram of a communication system for data transmission in an embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • the terminal device in the embodiment of the present application may refer to a user equipment, an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, a wireless communication device, a user agent, or User device.
  • the terminal device may also be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), with wireless communication.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the network device in the embodiment of the present application may be a device for communicating with the terminal device, and the network device may be a Global System of Mobile communication (GSM) system or Code Division Multiple Access (CDMA).
  • Base Transceiver Station which may also be a base station (NodeB, NB) in a Wideband Code Division Multiple Access (WCDMA) system, or an evolved base station in an LTE system (Evolutional The NodeB, eNB or eNodeB) may also be a wireless controller in a Cloud Radio Access Network (CRAN) scenario, or the network device may be a relay station, an access point, an in-vehicle device, a wearable device, and a future.
  • the network device in the 5G network or the network device in the PLMN network in the future is not limited in this embodiment.
  • the communication system in FIG. 1 may include at least one terminal device (eg, terminal device 10, terminal device 20, terminal device 30, terminal device 40, terminal device 50, and terminal device 60) and network device 70.
  • the network device 70 is configured to provide communication services for the terminal device and access the core network.
  • the terminal device can access the network by searching for synchronization signals, broadcast signals, and the like sent by the network device 70, thereby performing communication with the network.
  • the terminal device 10, the terminal device 20, the terminal device 30, the terminal device 40, and the terminal device 60 in FIG. 1 can perform uplink/downlink transmission directly with the network device 70.
  • the terminal device 40, the terminal device 50, and the terminal device 60 can also be regarded as one communication system, and the terminal device 60 can transmit scheduling information to the terminal device 40 and the terminal device 60.
  • Figure 2 shows a schematic flow chart of data transmission in a conventional scheme.
  • the network device sends configuration information to the terminal device, where the configuration information is used to indicate a physical random access channel (PRACH) resource.
  • PRACH physical random access channel
  • the terminal device receives the configuration information, and sends a random access preamble sequence according to the physical random access channel resource indicated by the configuration information.
  • the terminal device reports whether it supports EDT through the time resource of the PRACH, the frequency domain resource of the PRACH, or the random access preamble sequence.
  • the network device determines an uplink transmission resource of the data according to the EDT capability of the terminal device and whether the network device enables the EDT capability of the terminal device.
  • the network device sends an uplink transmission resource of the configuration information indication data to the terminal device.
  • the terminal device sends the first data on the uplink transmission resource.
  • FIG. 3 is a schematic structural diagram of Medium Access Control (MAC) Protocol Data Units (PDUs).
  • the MAC PDU includes a MAC header and at least one MAC Random Access Response (RAR).
  • RAR Medium Access Control
  • the MAC PDU may further include a padding portion.
  • the subframe header 1, the subframe header 2, ..., the subframe header n in the MAC header correspond to MAC RAR1, MAC RAR2, ..., MAC RARn.
  • FIG. 4 shows a schematic structural diagram of a MAC RAR.
  • the structure of the MAC RAR may correspond to a scenario in which the coverage enhancement level of the idle state is 0 or 1.
  • FIG. 5 shows a schematic structural diagram of another MAC RAR.
  • the structure of the MAC RAR may correspond to a scenario in which the coverage enhancement level of the idle state is 2 or 3.
  • the structure of the MAC RAR includes an R field, a Timing Advance (TA) field, an Up Grant (UL Grant) field, and a Temporary C-RNTI field.
  • TA Timing Advance
  • UL Grant Up Grant
  • CE mode coverage enhancement mode
  • CE mode B coverage enhancement
  • the uplink grant field specifically includes a message 3 (Physical Uplink Shared Channel, PUSCH) narrowband index field, a message 3 PUSCH resource allocation field, and a message 3 PUSCH repetition number. Field, transmit power control (TPC) field, channel state information (CSI) request field, uplink (UL) delay (delay) field, message 3/4 MPDCCH narrowband Index and zero padding fields (Zero padding).
  • TPC transmit power control
  • CSI channel state information
  • UL uplink
  • delay delay
  • message 3/4 MPDCCH narrowband Index and zero padding fields Zapero padding
  • CE mode B the uplink grant field also includes a TBS field.
  • CE mode A the uplink grant field also includes a Modulation and Coding Scheme (MCS) field.
  • MCS Modulation and Coding Scheme
  • Table 1 shows the occupancy of the uplink grant field bits in CE mode A and CE mode B.
  • N NB represents the number of narrow bands on the system bandwidth. Indicates the number of RBs in the upstream system bandwidth. Indicates the number of bits used to indicate the narrowband index.
  • the number of repetitions of the message 3 PUSCH occupies 2 bits in the case of CE mode A.
  • the values of the two bits may correspond to the number of repetitions of the message 3 PUSCH, respectively, as shown in Table 2.
  • Y A represents the maximum number of repetitions of CE mode A
  • the number of repetitions of the message 3 PUSCH occupies 3 bits in the case of CE mode B.
  • the values of the three bits may correspond to the number of repetitions of the message 3 PUSCH, respectively, as shown in Table 3.
  • the network device may send the downlink control information to the terminal device, where the downlink control information may indicate the uplink transmission resource of the data retransmission, and the network device may also send the terminal device to the terminal device.
  • the high layer signaling is sent, and the high layer signaling indicates a preset set of repetition times.
  • the network device indicates the number of repetitions in the set of repetition times by using the downlink control information.
  • the set of repetition times includes at least one repetition number, and both the network device and the terminal device can know each element in the set of repetition times.
  • Table 4 shows the set of repetition times corresponding to CE mode A.
  • the high layer signaling may indicate that the high layer signaling parameter is 16 or 32, and each high layer signaling parameter corresponds to a set of repetition times.
  • Table 5 shows the set of repetition times corresponding to CE mode B.
  • the network device can also configure a transport block size (TBS) value for the terminal device.
  • TBS transport block size
  • the TBS is a maximum TBS that the network device can configure for the terminal device, and the terminal device performs data transmission according to the maximum TBS, so that the delay between the terminal device and the network device for transmitting data is relatively large.
  • FIG. 6 is a schematic flowchart of a method for data transmission in an embodiment of the present application.
  • the terminal device receives first configuration information, where the first configuration information is used to indicate the first TBS.
  • the network device sends the first configuration information.
  • the network device may configure the first TBS for the terminal device according to the channel quality, and the first TBS is usually the largest TBS configured by the network device in combination with the channel quality for the terminal device.
  • the first TBS and the number of repetitions are related to each other. For example, the larger the TBS, the more the corresponding repetition times. In other words, the greater the TBS, the higher the probability of transmission failure, and the more times the retransmission is required to ensure transmission performance.
  • the network device may send the first control information to the terminal device, where the first control information includes first repetition number information, where the first repetition number information indicates the first repetition number.
  • the terminal device can receive the first control information.
  • the network device may determine whether to allow the terminal device to update the number of data repetitions.
  • the network device may determine whether the number of repetitions may be reduced according to channel conditions or network load or the situation of the previous HARQ transmission, and indicate to the terminal device through the configuration information.
  • the network device may separately send the configuration information to indicate whether the terminal device is allowed to update the data repetition times, or may be carried in other messages or signaling to indicate whether the terminal device is allowed to update the data repetition times. This application does not limit this.
  • the first control information may further include first indication information, where the first indication information may indicate whether the terminal device is allowed to update the number of data repetitions.
  • the first indication information indicates whether the terminal device transmits the first data by using the first repetition number or the first data by using the second repetition number.
  • the second repetition number here is different from the first repetition number.
  • the first indication information may further indicate an uplink resource of the first data, where the network device in the embodiment of the present application can indicate whether to release, multiplex, or fully utilize the field or state of the uplink resource that is used to transmit the first data.
  • the terminal device is allowed to update the data repetition times, so that the terminal device transmits data according to the indication of the network device, so that the network device and the terminal device communicate with the TBS by using a consistent number of repetitions, thereby improving communication quality.
  • the release field or state can be understood as limiting the original function of the field, so that the field or state can be used to indicate whether the terminal device is allowed to update the number of data repetitions.
  • the field for indicating the MCS value includes 4 bits, and the MCS value of the 16 states can be indicated by the 4 bit.
  • the embodiment of the present application limits the bit indicating the MCS value.
  • the MCS value of 8 states is represented by only 3 bits, and the remaining 1 bit is used to indicate whether the terminal device is allowed to update the number of data repetitions. Specifically, the 1 bit takes “1" to indicate that the terminal device is allowed to update the data repetition number, and the "0" indicates that the terminal device is not allowed to update the data repetition number.
  • the first 14 states indicated by the 4 bits indicate MCS values, and the other two states are used to indicate whether the terminal device is allowed to update the number of data repetitions. Specifically, taking “1110" indicates that the terminal device is allowed to update the data repetition number, and “1111” indicates that the terminal device is not allowed to update the data repetition number.
  • the multiplexing field can be understood as the field has both the original function and the new function. For example, if the terminal device detects that the state of the 4 bit is "1111", the terminal device can know the MCS value indicated by 15, and can know that the network device does not allow the terminal device to update the data repetition number.
  • the state originally used for the original function can be understood, and no indication is needed in the current transmission, or the state is a reserved state.
  • the network device configures a data retransmission resource for the terminal device
  • the MCS value does not need to be indicated, but the configuration information still includes a field or a status indicating the MCS value.
  • the network device may indicate whether the path is allowed by the field or the status.
  • the number of times the terminal device updates the data the terminal device detects that the resource is configured as a retransmission resource configuration, and can use the state originally used to indicate the MCS value as a state of determining whether to allow the terminal device to update the data repetition number.
  • the first indication information may be a MAC RAR, where the MAC RAR includes an uplink grant field, where the uplink grant field includes M bits, and N bits of the M bits are used for Indicates whether the terminal device is allowed to update the number of data repetitions, and the remaining MN bits of the M bits are used to indicate the uplink resource for transmitting the first data.
  • the first state and the second state indicated by the M bits are used to indicate whether the terminal device is allowed to update the number of data repetitions, and the M bits represent other states than the first state and the second state.
  • the N bits can be reserved bits, released bits, or multiplexed bits.
  • the uplink grant field may include multiple types of fields, as shown in Table 1.
  • the field indicating whether the terminal device is allowed to update the data repetition number may be a field in any one of the types included in the uplink authorization field, or two states indicated by any one type of field included in the uplink authorization field indicate whether the terminal is allowed. The number of times the device updates data.
  • the N bits are in an MCS field or a TBS field in the uplink grant field. That is, the N fields in the MCS field or the TBS field are used to indicate whether the terminal device is allowed to update the number of data repetitions.
  • the uplink grant field includes the MCS field; in the case that the MAC RAR is the CE mode B, the uplink grant field includes the TBS field, as shown in Table 1.
  • the embodiment of the present application may limit the MCS field to indicate the MCS value by using 3 bits, and 1 bit is used to indicate whether the terminal device is allowed to update the data repetition number.
  • the first indication information is physical downlink control information, where the physical downlink control information includes a resource allocation field, where the resource allocation field includes L bits, and K bits of the L bits are used to indicate whether to allow
  • the terminal device updates the data repetition number, and the LK bits are used to indicate the uplink resource for transmitting the first data, where L and K are positive integers, and L ⁇ K.
  • the first control information may be physical downlink control information, such as DCI format 6-0A.
  • the DCI format 6-0A includes a resource block assignment field, where the resource allocation field includes L bits, wherein K of the K bits can be used to indicate whether the terminal device is allowed to update the data repetition times, and the remaining LK numbers are used.
  • the resource block assignment field occupies Bits, you can The bit indicates the uplink transmission resource of the first data, and the remaining 1 bit indicates whether the terminal device is allowed to update the number of data repetitions.
  • the first control information is physical downlink control information, where the physical downlink control information includes an uplink grant field, where the uplink grant field includes L bits, and K bits of the L bits are used to indicate whether to allow
  • the terminal device updates the data repetition number, and the LK bits are used to indicate the uplink resource for transmitting the first data, where L and K are positive integers, and L ⁇ K.
  • the K bits are in an MCS field in the uplink grant field.
  • the uplink transmission resource is a resource for retransmitting the first data
  • the network device does not need to indicate the MCS value
  • all the bits or partial bits in the MCS field may be used to indicate whether the terminal device is allowed to update the data. repeat times. If the network device still needs to indicate the MCS value, it may indicate whether the terminal device is allowed to update the data repetition number by limiting the status indicated by the bit or the bit.
  • the first indication information includes a resource allocation field, where the resource allocation field may be used to indicate a resource of a sub PRB.
  • the resource allocation field adds 2 bits or 3 bits. If the resource allocation resource has added a new bit, but has not been used to indicate the resource allocation of the sub-PRB, The newly added bits indicate whether the terminal device is allowed to update the number of data repetitions.
  • the terminal device determines, according to the first TBS, a preset TBS set, where the preset TBS set includes one or more TBSs, and the first TBS is a largest TBS in the TBS set.
  • the terminal device and the network device may pre-arrange a plurality of preset TBSs, where the network device sends the first configuration information to indicate the first TBS configured by the network device, and the terminal device is less than or equal to the first TBS according to the first TBS.
  • a preset TBS set is determined in at least one preset TBS.
  • the preset TBSs agreed by the terminal device and the network device are 328, 408, 504, and 600. If the first TBS indicated by the first configuration information is 504, the terminal device may set the three preset TBSs 328, 408, and 504. Determined as a preset TBS collection.
  • the terminal device determines, in the preset TBS set, a second TBS that transmits the first data.
  • the terminal device selects a second TBS that can reasonably transmit the first data. For example, the terminal device selects a suitable second TBS according to the data size of the first data, thereby saving transmission delay while balancing transmission performance.
  • the terminal device may further receive the first control information, where the first control information includes the first repetition number information, where the first repetition number information indicates the first repetition number, so that the terminal device may be according to the first TBS and/or
  • the second TBS determines the first parameter, and determines a second repetition number according to the first repetition number and the first parameter, where the second repetition number is used to indicate the number of repetitions of transmitting the first data.
  • the first parameter and the TBS may have an association relationship, that is, the corresponding first parameter may be determined according to the first TBS and/or the second TBS, so that the first parameter is determined according to the first parameter and the first repetition number.
  • the number of repetitions may be used to indicate the number of repetitions of transmitting the first data.
  • the value of the first parameter may be at least one of 1/8, 1/4, 1/2, and 1.
  • the first parameter may have a value range of ⁇ 1/2, 1 ⁇ , ⁇ 1/4, 1/2, 1 ⁇ , and ⁇ 1/8, 1/4, 1/2, 1 ⁇ . Any of them.
  • the terminal device may send the first data according to the second repetition number.
  • the terminal device may directly store the target mapping relationship, where the target mapping relationship may be a mapping relationship between the TBS and the first parameter.
  • the target mapping relationship may be a one-to-one correspondence between the at least one TBS and the at least one parameter, or at least one TBS may correspond to one parameter. That is to say, the terminal device can find a parameter corresponding to a certain TBS from the target mapping relationship. The terminal device can learn the first parameter corresponding to the second TBS according to the target mapping relationship.
  • the target mapping relationship is a mapping relationship adopted by the terminal device and the network device, so that the terminal device and the network device adopt a consistent number of repetitions, thereby improving communication quality.
  • the target mapping relationship may be a one-to-one correspondence between at least one TBS in the TBS set and at least one parameter, or at least one TBS in the TBS set corresponding to one parameter. That is, the terminal device may determine the first parameter corresponding to the first TBS according to the mapping relationship.
  • the target mapping relationship may also be a mapping relationship of at least one TBS, at least one parameter, and at least one first TBS.
  • the first TBS indicated by the different configuration information is different, and the correspondence between the TBS and the parameter in the preset TBS set may also be different, that is, the second repetition number determined by the terminal device is combined with the first TBS configured by the network device. And the second TBS, thereby further improving the communication quality.
  • the target mapping relationship may be embodied in the form of a table, for example, as shown in Table 6.
  • TBS1 indicated by the configuration information Configuration information indicated by TBS2 Preset TBS1 in the TBS collection Parameter n1 Parameter n2 Preset TBS2 in the TBS collection - Parameter n3
  • the first parameter, the first TBS, and the second TBS satisfy the following relationship.
  • the preset TBS set includes 4 TBSs ( ⁇ T1, T2, T3, T4 ⁇ ), and T1 ⁇ T2 ⁇ T3 ⁇ T4, and T4 is the first TBS.
  • T4 ⁇ M if the second TBS is T4 or T3, the first parameter is 1; and/or if the second TBS is T2 or T1, the first parameter is 1/2.
  • the first parameter is 1.
  • M is a predetermined integer.
  • M can take 600.
  • the first parameter and the first TBS and the second TBS may satisfy the following relationship.
  • the preset TBS set includes 2 TBSs ( ⁇ T1, T2 ⁇ ), and T2 is the first TBS, and the first parameter is 1.
  • the preset TBS set includes three TBSs ( ⁇ T1, T2, T3 ⁇ ), and T3 is the first TBS, and the first parameter is 1.
  • the preset TBS set includes one TBS, and the first parameter is 1.
  • the first parameter, the first TBS, and the second TBS may also satisfy the following relationship.
  • the preset TBS set includes 4 TBSs ( ⁇ T1, T2, T3, T4 ⁇ ), and T1 ⁇ T2 ⁇ T3 ⁇ T4, and T4 is the first TBS.
  • T4 ⁇ K if the second TBS is T4, T3 or T2, the first parameter is 1; and/or if the second TBS is T1, the first parameter is 1/2.
  • K is a predetermined integer.
  • K may take any one of 456, 504, and 600.
  • the value of the first parameter may also be associated with a mode in which the terminal device is located. If the terminal device is in coverage enhancement level 0, coverage enhancement level 1, or coverage enhancement mode A, and the first TBS ⁇ N1, the first parameter is 1, where N1 is a preset positive integer. If the terminal device is in the coverage enhancement level 2, the coverage enhancement level 3, or the coverage enhancement mode B, and the first TBS ⁇ N2, the first parameter is 1, where N2 is a preset positive integer.
  • the number of TBSs in the preset TBS set is not limited, and the preset TBS set may include two TBSs, three TBSs, or four TBSs.
  • N1 may be any one of 408, 504, and 600.
  • the N2 may take any one of 408, 456, 504, and 600.
  • the first parameter is a repetition number reduction factor k
  • the terminal device may determine the product of the first repetition number and k as the second repetition number.
  • the number of repetitions corresponding to the TBS indicated by the first configuration information is 64, and the number of target repetitions is 32.
  • the network device may determine, according to the channel quality, which structure of the MAC RAR, that is, the length of the resource allocation field, is configured for the terminal device. For example, if the resource allocation field in Table 1 is an uplink grant field, the length of the uplink grant field may occupy 20 bits or 12 bits. Correspondingly, if the length of the uplink grant field is 20 bits, the corresponding CE level is 0/1 (ie, CE mode A), and the length of the uplink grant field is 12 bits. The corresponding CE level is 2/3 (ie, CE mode). B).
  • the terminal device may determine, according to the length of the resource allocation field, a CE level configured by the network device for the terminal device.
  • the terminal device and the network device may agree that different CE levels correspond to different mapping relationships.
  • the terminal device learns the CE level, the terminal device selects the target mapping relationship in at least two mapping relationships. For example, CE mode A corresponds to the first mapping relationship, and CE mode B corresponds to the second mapping relationship, so that the number of repetitions is more when the channel condition is poor, and the number of repetitions is less when the channel condition is good.
  • the second parameter has a value range of 1/2, 1;
  • Table 7 the first mapping relationship is shown, and Table 8 shows the second mapping relationship.
  • the terminal device may further determine whether to adopt the first repetition number or the second repetition number according to the magnitude relationship between the second repetition number and the preset repetition number threshold. Specifically, if the second repetition number is greater than or equal to the preset repetition number threshold, the terminal device uses the second repetition number to transmit the first data; if the second repetition number is less than the preset repetition number threshold, the terminal device adopts the first The first data is transmitted in repeated numbers.
  • the terminal device may further determine, according to the magnitude relationship between the second repetition number and the minimum repetition number in the set of repetition times, the first repetition number or the second repetition number. Specifically, if the second repetition number is greater than or equal to the minimum number of repetitions in the set of repetition times, the terminal device transmits the first data by using the second repetition number; if the second repetition number is less than the minimum repetition number in the collection of repetition times, The terminal device transmits the first data by using the first repetition number.
  • the terminal device transmits the first data by using the second repetition number.
  • the network device may further indicate, by using the second indication information, the number of retransmissions of the terminal device, where the second indication information is carried in the control information, where the second indication information indicates the second parameter.
  • the terminal device receives the second indication information.
  • the terminal device may determine, according to the second parameter in the second indication information, the third repetition number according to the first repetition number or the second repetition number, and transmit the first data according to the third repetition number.
  • determining, by the terminal device, the third repetition number according to the first repetition number and the second parameter may be determining that the product of the first repetition number and the second parameter is the third repetition number.
  • the determining, by the terminal device, the third repetition number according to the second repetition number and the second parameter may also be determining that the product of the second repetition number and the second parameter is the third repetition number.
  • the second parameter may be a repetition number reduction factor k.
  • the value of the second parameter may be at least one of 1/8, 1/4, 1/2, and 1.
  • the second parameter may have a value range of ⁇ 1/2, 1 ⁇ , ⁇ 1/4, 1/2, 1 ⁇ , and ⁇ 1/8, 1/4, 1/2, 1 ⁇ . Any of them.
  • the terminal device sends the first data according to the second TBS.
  • the network device receives the first data according to each TBS in the preset TBS set.
  • the terminal device sends the first data according to the second repetition number and the second TBS.
  • the terminal device is capable of transmitting the first data according to the appropriate target repetition number and the second TBS, thereby improving transmission performance and saving transmission delay.
  • the network device determines, according to the first TBS and each TBS in the preset TBS set, a corresponding one or more first parameters, and determines, according to the one or more first parameters and the first number of repetitions.
  • the network device detects the first data according to the TBS corresponding to each second repetition number and each second repetition number, so that the terminal device and the network device adopt consistent repetition times and TBS To improve communication quality.
  • the network device needs to determine the first parameter according to one of the first TBS and the preset TBS set, and determine the second repetition number according to the first parameter and the first repetition number. In addition, the network device performs a second repetition number corresponding to other TBSs in the preset TBS set. That is, the network device needs to blindly check the first data according to the TBS and the corresponding number of repetitions.
  • the terminal device may determine a preset TBS set according to the first TBS configured by the network device, and determine, in the preset TBS set, a second TBS that transmits the first data, and further according to the The second TBS transmits the first data, that is, the terminal device can select an appropriate TBS according to the size of the data amount, thereby saving data transmission delay.
  • the size of the sequence numbers of the foregoing processes does not mean the order of execution sequence, and the order of execution of each process should be determined by its function and internal logic, and should not be applied to the embodiment of the present application.
  • the implementation process constitutes any limitation.
  • FIG. 7 shows a schematic block diagram of an apparatus 700 for data transmission in an embodiment of the present application.
  • the apparatus 700 for data transmission may correspond to the terminal device in the foregoing method embodiment, and may have any function of the terminal device in the method.
  • the device 700 includes a transceiver module 710 and a processing module 720.
  • the transceiver module 710 is configured to receive first configuration information, where the first configuration information is used to indicate a first transport block size TBS;
  • the processing module 720 is configured to determine, according to the first TBS, a preset TBS set, where the preset TBS set includes one or more TBSs, and the first TBS is the largest TBS in the TBS set;
  • the processing module 720 is further configured to determine, in the preset TBS set, a second TBS that transmits the first data.
  • the transceiver module 710 is further configured to send the first data according to the second TBS.
  • the transceiver module is further configured to receive first control information, where the first control information includes first repetition number information, where the first repetition number information indicates a first repetition number;
  • the processing module 720 is further configured to determine a first parameter according to the first TBS and/or the second TBS;
  • the processing module 720 is further configured to determine a second repetition number according to the first repetition number and the first parameter;
  • the transceiver module 710 is further configured to send the first data according to the second repetition number.
  • the preset TBS set is ⁇ T1, T2, T3, T4 ⁇ , where T4 is the first TBS, and T1 ⁇ T2 ⁇ T3 ⁇ T4,
  • the first parameter is equal to 1, where M is a predetermined positive integer;
  • the first parameter is equal to 1/2;
  • the first parameter is equal to one.
  • the terminal device is in coverage enhancement level 0, coverage enhancement level 1, or coverage enhancement mode A, and the first TBS is less than or equal to N1, the first parameter is equal to 1, where N1 is a predetermined positive Integer
  • the terminal device is in coverage enhancement level 2, coverage enhancement level 3 or coverage enhancement mode B, and the first TBS is less than or equal to N2, the first parameter is equal to 1, where N2 is a predetermined positive integer.
  • the preset TBS set is ⁇ T1, T2, T3, T4 ⁇ , where T4 is the first TBS, and T1 ⁇ T2 ⁇ T3 ⁇ T4, T4 is greater than or equal to K, where K is a predetermined positive Integer,
  • the first parameter is equal to 1;
  • the first parameter is equal to 1/2.
  • the first control information further includes first indication information, where the first indication information indicates whether the terminal device transmits the first data by using the first repetition number, or transmits the first data by using a second repetition number.
  • the first control information further includes second indication information, where the second indication information indicates a second parameter, and the processing module is further configured to determine a third repetition number according to the second parameter and the first repetition number; or,
  • the processing module 720 is further configured to determine a third repetition number according to the second parameter and the second repetition number;
  • the processing module 720 is further configured to transmit the first data according to the third repetition number.
  • processing module 720 is specifically configured to:
  • the processing module 720 is specifically configured to:
  • the product of the second parameter and the second number of repetitions is determined as the third number of repetitions.
  • the terminal device may determine a preset TBS set according to the first TBS configured by the network device, and determine, in the preset TBS set, a second TBS that transmits the first data, and further according to the The second TBS transmits the first data, that is, the terminal device can select an appropriate TBS according to the size of the data amount, thereby saving data transmission delay.
  • the apparatus 700 for data transmission in the embodiment of the present application may be a terminal device, or may be a chip in the terminal device.
  • the apparatus 700 for data transmission may correspond to the terminal device in the method of data transmission of the embodiment of FIG. 6, and the above and other management operations of the respective modules in the apparatus 700 for data transmission and/or
  • the functions or functions are respectively implemented in order to implement the corresponding steps of the foregoing various methods, and are not described herein for brevity.
  • the transceiver module 710 in the embodiment of the present application may be implemented by the transceiver 810, and the processing module 720 may be implemented by the processor 820.
  • the apparatus 800 for data transmission can include a transceiver 810, a processor 820, and a memory 830.
  • the memory 830 can be used to store indication information, and can also be used to store code, instructions, and the like executed by the processor 820.
  • the transceiver 810 can include a radio frequency circuit.
  • the terminal device further includes a storage unit.
  • the storage unit can be, for example, a memory.
  • the storage unit is configured to store a computer execution instruction
  • the processing unit is coupled to the storage unit, and the processing unit executes a computer execution instruction stored by the storage unit to cause the terminal device to perform the data transmission. method.
  • the device 700 for data transmission is a chip in the terminal device
  • the chip includes a processing module 710 and a transceiver module 720.
  • the transceiver module 720 can be implemented by the transceiver 810, and the processing module 710 can be implemented by the processor 820.
  • the transceiver module can be, for example, an input/output interface, a pin or a circuit, and the like.
  • the processing module can execute computer executed instructions stored by the storage unit.
  • the storage unit is a storage unit in the chip, such as a register, a cache, etc., and the storage unit may also be a storage unit located outside the chip in the terminal, such as a read-only memory (read-only memory, ROM) or other types of static storage devices, random access memory (RAM), etc. that can store static information and instructions.
  • ROM read-only memory
  • RAM random access memory
  • FIG. 9 is an apparatus 900 for data transmission in an embodiment of the present application.
  • the device 900 for data transmission may be the above network device.
  • the apparatus 900 for data transmission may correspond to a network device in each method embodiment, and may have any function of the network device in the method.
  • the device 900 includes a transceiver module 910 and a processing module 920.
  • the transceiver module 910 is configured to send first configuration information, where the first configuration information is used to indicate a first transport block size TBS;
  • the processing module 920 is configured to determine, according to the first TBS, a preset TBS set, where the preset TBS set includes one or more TBSs, and the first TBS is the largest TBS in the TBS set;
  • the transceiver module 910 is further configured to receive the first data according to the one or more TBSs.
  • the transceiver module 910 is further configured to send the first control information, where the first control information includes a first repetition number information, where the first repetition number information indicates a first repetition number;
  • the processing module 920 is further configured to determine, according to the first TBS and/or the TBS in the preset TBS set, one or more first parameters;
  • the processing module 920 is further configured to determine one or more second repetition times according to the first repetition number and the one or more first parameters;
  • the transceiver module 910 is further configured to receive the first data according to the one or more second repetition times.
  • the preset TBS set is ⁇ T1, T2, T3, T4 ⁇ , where T4 is the first TBS, and T1 ⁇ T2 ⁇ T3 ⁇ T4,
  • the first parameter is equal to 1, where M is a predetermined positive integer;
  • the first parameter is equal to 1/2;
  • the first parameter is equal to one.
  • the terminal device is in coverage enhancement level 0, coverage enhancement level 1, or coverage enhancement mode A, and the first TBS is less than or equal to N1, the first parameter is equal to 1, where N1 is a predetermined positive Integer
  • the terminal device is in coverage enhancement level 2, coverage enhancement level 3 or coverage enhancement mode B, and the first TBS is less than or equal to N2, the first parameter is equal to 1, where N2 is a predetermined positive integer.
  • the preset TBS set is ⁇ T1, T2, T3, T4 ⁇ , where T4 is the first TBS, and T1 ⁇ T2 ⁇ T3 ⁇ T4, T4 is greater than or equal to K, where K is a predetermined positive Integer,
  • the first parameter is equal to 1;
  • the first parameter is equal to 1/2.
  • the first control information further includes first indication information, where the first indication information indicates whether the terminal device transmits the first data by using the first repetition number, or transmits the first data by using a second repetition number.
  • the first control information further includes second indication information, where the second indication information indicates a second parameter, where the second parameter is used by the terminal device to determine a third repetition number, where the third repetition number is used to transmit the first One data.
  • the terminal device may determine a preset TBS set according to the first TBS configured by the network device, and determine, in the preset TBS set, a second TBS that transmits the first data, and further according to the The second TBS transmits the first data, that is, the terminal device can select an appropriate TBS according to the size of the data amount, thereby saving data transmission delay.
  • the device 900 for data transmission in the embodiment of the present application may be a network device, or may be a chip in the network device.
  • the apparatus 900 for data transmission may correspond to the network device in the method of data transmission of the embodiment of FIG. 6, and the above and other management operations of the respective modules in the apparatus 900 for data transmission and/or
  • the functions or functions are respectively implemented in order to implement the corresponding steps of the foregoing various methods, and are not described herein for brevity.
  • the transceiver module 910 in the embodiment of the present application may be implemented by the transceiver 1010, and the processing module 920 may be implemented by the processor 1020.
  • device 1080 can include a transceiver 1010, a processor 1020, and a memory 1030.
  • the memory 1030 can be used to store indication information, and can also be used to store code, instructions, and the like executed by the processor 1020.
  • the transceiver may include a radio frequency circuit, and optionally, the network device further includes a storage unit.
  • the storage unit can be, for example, a memory.
  • the storage unit is configured to store a computer execution instruction
  • the processing module is coupled to the storage unit, and the processing module executes a computer execution instruction stored by the storage unit to enable the network device to perform the data transmission. method.
  • the device 900 for data transmission is a chip in a network device
  • the chip includes a processing module 920 and a transceiver module 910.
  • the transceiver module 910 can be, for example, an input/output interface on a chip, a pin or a circuit, and the like.
  • Processing module 920 can execute computer executed instructions stored by the storage unit.
  • the storage unit is a storage unit in the chip, such as a register, a cache, etc., and the storage unit may also be a storage unit located outside the chip in the terminal, such as a read-only memory (read) -only memory, ROM) or other types of static storage devices, random access memory (RAM), etc. that can store static information and instructions.
  • the storage unit is a storage unit in the chip, such as a register, a cache, etc., and the storage unit may also be a storage unit located outside the chip in the terminal, such as a read-only memory (read-only memory, ROM) or other types of static storage devices, random access memory (RAM), etc. that can store static information and instructions.
  • processor 820 or processor 1020 may be an integrated circuit chip with signal processing capabilities.
  • each step of the foregoing method embodiment may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software.
  • the above processor may be a general purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or the like. Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application may be directly implemented by the hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory, and the processor reads the information in the memory and combines the hardware to complete the steps of the above method.
  • the memory 830 or the memory 1030 in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (ROM), a programmable read only memory (ROMM), an erasable programmable read only memory (erasable PROM, EPROM), or an electrical Erase programmable EPROM (EEPROM) or flash memory.
  • the volatile memory can be a random access memory (RAM) that acts as an external cache.
  • RAM random access memory
  • many forms of RAM are available, such as static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (Synchronous DRAM).
  • SDRAM double data rate synchronous SDRAM
  • DDR SDRAM double data rate synchronous SDRAM
  • ESDRAM enhanced synchronous dynamic random access memory
  • SLDRAM synchronously connected dynamic random access memory
  • DR RAM direct memory bus random access memory
  • FIG. 11 shows a communication system 1100 of an embodiment of the present application, the communication system 1100 comprising:
  • the embodiment of the present application further provides a computer storage medium, which can store program instructions for indicating any of the above methods.
  • the storage medium may be specifically a storage 830 or 1030.
  • the embodiment of the present application further provides a chip system, including a processor, for supporting a distributed unit, a centralized unit, and a terminal device and a network device to implement functions involved in the foregoing embodiments, for example, for example, Generate or process data and/or information involved in the above methods.
  • a chip system including a processor, for supporting a distributed unit, a centralized unit, and a terminal device and a network device to implement functions involved in the foregoing embodiments, for example, for example, Generate or process data and/or information involved in the above methods.
  • the chip system further comprises a memory for storing distributed units, centralized units, and program instructions and data necessary for the terminal device and the network device.
  • the chip system can be composed of chips, and can also include chips and other discrete devices.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. .

Abstract

本申请提供了一种数据传输的方法和装置。该方法包括：接收第一配置信息，该第一配置信息用于指示第一传输块大小TBS；根据该第一TBS确定预设TBS集合，该预设TBS集合包括一个或多个TBS，且该第一TBS是该TBS集合中的最大TBS；在该预设TBS集合中确定传输第一数据的第二TBS；根据该第二TBS，发送该第一数据。终端设备能够根据数据量的大小选择合适的TBS，从而节省数据的传输时延。

Description

数据传输的方法和装置 技术领域
本申请涉及通信领域，更具体地，涉及一种数据传输的方法和装置。
背景技术
进一步增强的机器通信(Even further enhanced Machine-Type Communications，eFeMTC)课题要求降低数据传输时延，而降低传输时延可以通过数据提前传输(early data transmission，EDT)实现。
在EDT过程中，网络设备可以通过系统消息为终端设备配置传输块大小(Transport block size，TBS)。通常，该TBS为网络设备能够为终端设备配置的最大TBS，终端设备根据该最大TBS进行数据传输，使得终端设备和网络设备传输数据的时延比较大。
发明内容
本申请提供一种数据传输的方法和装置，能够降低网络设备和终端设备的传输时延。
第一方面，提供了一种数据传输的方法，该方法包括：
接收第一配置信息，该第一配置信息用于指示第一传输块大小TBS；
根据该第一TBS确定预设TBS集合，该预设TBS集合包括一个或多个TBS，且该第一TBS是该TBS集合中的最大TBS；
在该预设TBS集合中确定传输第一数据的第二TBS；
根据该第二TBS，发送该第一数据。
终端设备根据网络设备配置的第一TBS可以确定预设TBS集合，并在该预设TBS集合中确定传输第一数据的第二TBS，进而根据该第二TBS发送该第一数据，也就是说，终端设备能够根据数据量的大小选择合适的TBS，从而节省数据的传输时延。
在一些可能的实现方式中，该方法还包括：
接收第一控制信息，该第一控制信息包括第一重复次数信息，该第一重复次数信息指示第一重复次数；
根据该第一TBS和/或该第二TBS，确定第一参数；
根据该第一重复次数和该第一参数，确定第二重复次数；
根据该第二重复次数，发送该第一数据。
终端设备根据网络设备配置的第一TBS和/或终端根据第一数据的数据量的大小确定的第二TBS确定第一参数，根据该第一参数和网络设备配置的第一重复次数可以确定出合适的第二重复次数，进而终端设备可以根据该第二重复次数发送第一数据，即终端设备根据第二重复次数和第二TBS发送该第一数据，从而提高了通信质量以及节省了数据的传输时延。
在一些可能的实现方式中，所述第一参数的取值范围是1/2、1；或
所述第一参数的取值范围是1/4、1/2、1；或
所述第一参数的取值范围是1/8、1/4、1/2、1。
在一些可能的实现方式中，该预设TBS集合为{T1,T2,T3,T4}，其中T4是该第一TBS，且T1<T2<T3<T4，
当T4大于或等于M，且第二TBS等于T4或T3时，第一参数等于1，其中M是预先规定的正整数；和/或
当T4大于或等于M，且第二TBS等于T2或T1时，第一参数等于1/2；和/或
当T4小于M时，第一参数等于1。
网络设备和终端设备可以根据第二TBS、第一TBS设计第一参数，使得终端设备能够根据合理的TBS和/或重复次数向网络设备发送的第一数据，更进一步提高了通信质量以及节省了数据传输时延。
在一些可能的实现方式中，M等于600。
在一些可能的实现方式中，若该终端设备处于覆盖增强等级0、覆盖增强等级1、或覆盖增强模式A，且该第一TBS小于或等于N1时，该第一参数等于1，其中N1是预先规定的正整数；
若该终端设备处于覆盖增强等级2、覆盖增强等级3或覆盖增强模式B，且该第一TBS小于或等于N2时，该第一参数等于1，其中N2是预先规定的正整数。
网络设备和终端设备可以根据终端设备所处的覆盖增强等级或模式为不同的终端设备设置不同的第一参数，从而更进一步提高了通信质量以及节省了数据传输时延。
在一些可能的实现方式中，所述N1等于408、504、600中的任一项；或所述N2等于408、456、504、600中的任一项。
在一些可能的实现方式中，该预设TBS集合为{T1,T2,T3,T4}，其中T4是该第一TBS，且T1<T2<T3<T4，T4大于或等于K，其中K是预先规定的正整数，
当第二TBS等于T4、T3或T2时，第一参数等于1；和/或
当第二TBS等于T1时，第一参数等于1/2。
网络设备和终端设备可以根据第二TBS、第一TBS设计第一参数，使得终端设备能够根据合理的TBS和/或重复次数向网络设备发送的第一数据，更进一步提高了通信质量以及节省了数据传输时延。
在一些可能的实现方式中，K等于456、504、600中的任一项。
在一些可能的实现方式中，该第一控制信息还包括第一指示信息，该第一指示信息指示终端设备是采用该第一重复次数传输该第一数据，还是采用第二重复次数传输该第一数据。
本申请实施例网络设备可以指示是否允许终端设备更新数据重复次数，这样终端设备根据网络设备的指示进行传输数据，使得网络设备和终端设备采用一致的重复次数和TBS进行通信，从而提高了通信质量。
在一些可能的实现方式中，该第一控制信息还包括第二指示信息，该第二指示信息指示第二参数，该方法还包括：
根据该第二参数和该第一重复次数确定第三重复次数；或，
根据该第二参数和该第二重复次数确定第三重复次数；
根据该第三重复次数传输该第一数据。
网络设备还可以进一步通过第二指示信息指示终端设备的重传次数，该第二指示信息携带在控制信息中，该第二指示信息指示第二参数，从而提高指示更新终端设备的重传次数的灵活性。
在一些可能的实现方式中，该根据该第二参数和该第一重复次数确定第三重复次数包括：
将该第二参数和该第一重复次数的乘积确定为该第三重复次数；或
根据该第二参数和该第二重复次数确定第三重复次数包括：
将该第二参数和该第二重复次数的乘积确定为该第三重复次数。
在一些可能的实现方式中，所述第二参数的取值范围是1/2、1；或
所述第二参数的取值范围是1/4、1/2、1；或
所述第二参数的取值范围是1/8、1/4、1/2、1。
第二方面，提供了一种数据传输的方法，该方法包括：
发送第一配置信息，该第一配置信息用于指示第一传输块大小TBS；
根据该第一TBS确定预设TBS集合，该预设TBS集合包括一个或多个TBS，且该第一TBS是该TBS集合中的最大TBS；
根据该一个或多个TBS，接收第一数据。
网络设备根据预设TBS集合中的每个TBS接收该第一数据，从而使得终端设备和网络设备采用一致TBS进行通信，进而提高通信质量。
在一些可能的实现方式中，该方法还包括：
发送第一控制信息，该第一控制信息包括第一重复次数信息，该第一重复次数信息指示第一重复次数；
根据该第一TBS和/或该预设TBS集合中的TBS，确定1个或多个第一参数；
根据该第一重复次数和该1个或多个第一参数，确定1个或多个第二重复次数；
根据该1个或多个第二重复次数，接收该第一数据。
网络设备根据该第一TBS和预设TBS集合中的每个TBS确定对应的1个或多个第一参数，并根据该1个或多个第一参数和第一重复次数确定对应的多个第二重复次数，网络设备根据每个第二重复次数和对应的TBS检测该第一数目，使得终端设备和网络设备采用一致的重复次数和TBS，进而提高通信质量。
在一些可能的实现方式中，该预设TBS集合为{T1,T2,T3,T4}，其中T4是该第一TBS，且T1<T2<T3<T4，
当T4大于或等于M，且第二TBS等于T4或T3时，第一参数等于1，其中M是预先规定的正整数；和/或
当T4大于或等于M，且第二TBS等于T2或T1时，第一参数等于1/2；和/或
当T4小于M时，第一参数等于1。
在一些可能的实现方式中，M等于600。
在一些可能的实现方式中，若该终端设备处于覆盖增强等级0、覆盖增强等级1、或覆盖增强模式A，且该第一TBS小于或等于N1时，该第一参数等于1，其中N1是预先规定的正整数；
若该终端设备处于覆盖增强等级2、覆盖增强等级3或覆盖增强模式B，且该第一TBS小于或等于N2时，该第一参数等于1，其中N2是预先规定的正整数。
在一些可能的实现方式中，所述N1等于408、504、600中的任一项；或所述N2等于408、456、504、600中的任一项。
在一些可能的实现方式中，该预设TBS集合为{T1,T2,T3,T4}，其中T4是该第一TBS，且T1<T2<T3<T4，T4大于或等于K，其中K是预先规定的正整数，
当第二TBS等于T4、T3或T2时，第一参数等于1；和/或
当第二TBS等于T1时，第一参数等于1/2。
在一些可能的实现方式中，K等于456、504、600中的任一项。
在一些可能的实现方式中，该第一控制信息还包括第一指示信息，该第一指示信息指示终端设备是采用该第一重复次数传输该第一数据，还是采用第二重复次数传输该第一数据。
在一些可能的实现方式中，该第一控制信息还包括第二指示信息，该第二指示信息指示第二参数，该第二参数用于终端设备确定第三重复次数，该第三重复次数用于传输该第一数据。
第三方面，提供了一种数据传输的方法的装置，该装置可以是终端设备，也可以是终端设备内的芯片。该装置具有实现上述第一方面的各实施例的功能。该功能可以通过硬件实现，也可以通过硬件执行相应的软件实现。该硬件或软件包括一个或多个与上述功能相对应的单元。
在一种可能的设计中，当该装置为终端设备时，该终端设备包括：处理模块和收发模块，所述处理模块例如可以是处理器，所述收发模块例如可以是收发器，所述收发器包括射频电路。可选地，所述终端设备还包括存储单元，该存储单元例如可以是存储器。当终端设备包括存储单元时，该存储单元用于存储计算机执行指令，该处理模块与该存储单元连接，该处理模块执行该存储单元存储的计算机执行指令，以使该终端设备执行上述第一方面任意一项的数据传输的方法。
在另一种可能的设计中，当该装置为终端设备内的芯片时，该芯片包括：处理模块和收发模块，所述处理模块例如可以是处理器，所述收发模块例如可以是该芯片上的输入/输出接口、管脚或电路等。该处理模块可执行存储单元存储的计算机执行指令，以使该终端内的芯片执行上述第一方面任意一项的数据传输的方法。可选地，所述存储单元为所述芯片内的存储单元，如寄存器、缓存等，所述存储单元还可以是所述终端设备内的位于所述芯片外部的存储单元，如只读存储器(read-only memory，ROM)或可存储静态信息和指令的其他类型的静态存储设备，随机存取存储器(random access memory，RAM)等。
其中，上述任一处提到的处理器，可以是一个通用中央处理器(CPU)，微处理器，特定应用集成电路(application-specific integrated circuit，ASIC)，或一个或多个用于控制上述第一方面数据传输的方法的程序执行的集成电路。
第四方面，提供了一种数据传输的装置，该装置可以是网络设备，也可以是该网络设备内的芯片。该数据传输的装置具有实现上述第二方面的各实施例的功能。该功能可以通过硬件实现，也可以通过硬件执行相应的软件实现。该硬件或软件包括一个或多个与上述功能相对应的单元。
在一种可能的设计中，当该数据传输的装置为网络设备时，网络设备包括：处理模块和收发模块，所述处理模块例如可以是处理器，所述收发模块例如可以是收发器，所述收发器包括射频电路，可选地，所述网络设备还包括存储单元，该存储单元例如可以是存储器。当网络设备包括存储单元时，该存储单元用于存储计算机执行指令，该处理模块与该存储单元连接，该处理模块执行该存储单元存储的计算机执行指令，以使该网络设备执行上述第二方面任意一项的数据传输的方法。
在另一种可能的设计中，当该装置为网络设备内的芯片时，该芯片包括：处理模块和收发模块，所述处理模块例如可以是处理器，所述收发模块例如可以是该芯片上的输入/输出接口、管脚或电路等。该处理模块可执行存储单元存储的计算机执行指令，以使该网络设备内的芯片执行上述第二方面任意一项的数据传输的方法。可选地，所述存储单元为所述芯片内的存储单元，如寄存器、缓存等，所述存储单元还可以是所述网络设备内的位于所述芯片外部的存储单元，如ROM或可存储静态信息和指令的其他类型的静态存储设备，RAM等。
其中，上述任一处提到的处理器，可以是一个CPU，微处理器，ASIC，或一个或多个用于控制上述第二方面数据传输的方法的程序执行的集成电路。
第五方面，提供了一种计算机存储介质，该计算机存储介质中存储有程序代码，该程序代码用于指示执行上述第一方面或第二方面中或其任意可能的实现方式中的方法的指令。
第六方面，提供了一种包含指令的计算机程序产品，其在计算机上运行时，使得计算机执行上述第一方面或第二方面或其任意可能的实现方式中的方法。
第七方面，提供了一种通信系统，该通信系统包括上述第三方面的装置和上述第四方面的装置。
第八方面，提供了一种处理器，用于与存储器耦合，用于执行上述第一方面或第二方面或其任意可能的实现方式中的方法。
基于上述方案，终端设备根据网络设备配置的第一TBS可以确定预设TBS集合，并在该预设TBS集合中确定传输第一数据的第二TBS，进而根据该第二TBS发送该第一数据，也就是说，终端设备能够根据数据量的大小选择合适的TBS，从而节省数据的传输时延。
附图说明
图1是本申请一个通信系统的示意图；
图2是传统方案中数据传输的示意性流程图；
图3是媒体接入控制协议(Medium Access Control，MAC)协议数据单元(Protocol Data Units，PDU)的结构示意图；
图4是一种MAC随机接入响应(Random Access Responses，RAR)的结构示意图；
图5是另一种MAC RAR的结构示意图；
图6是本申请实施例的数据传输的方法的示意性流程图；
图7是是本申请一个实施例的数据传输的装置的示意性框图；
图8是本申请一个实施例的数据传输的装置的示意性结构图；
图9是本申请另一个实施例的数据传输的装置的示意性框图；
图10是本申请另一个实施例的数据传输的装置的示意性结构图；
图11是本申请实施例的数据传输的通信系统的示意性框图。
具体实施方式
下面将结合附图，对本申请中的技术方案进行描述。
本申请实施例的技术方案可以应用于各种通信系统，例如：全球移动通讯(Global System of Mobile communication，GSM)系统、码分多址(Code Division Multiple Access，CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access，WCDMA)系统、通用分组无线业务(General Packet Radio Service，GPRS)、长期演进(Long Term Evolution，LTE)系统、LTE频分双工(Frequency Division Duplex，FDD)系统、LTE时分双工(Time Division Duplex，TDD)、通用移动通信系统(Universal Mobile Telecommunication System，UMTS)、全球互联微波接入(Worldwide Interoperability for Microwave Access，WiMAX)通信系统、未来的第五代(5th Generation，5G)系统或新无线(New Radio，NR)等。
本申请实施例中的终端设备可以指用户设备、接入终端、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。终端设备还可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol，SIP)电话、无线本地环路(Wireless Local Loop，WLL)站、个人数字处理(Personal Digital Assistant，PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备，未来5G网络中的终端设备或者未来演进的公用陆地移动通信网络(Public Land Mobile Network，PLMN)中的终端设备等，本申请实施例对此并不限定。
本申请实施例中的网络设备可以是用于与终端设备通信的设备，该网络设备可以是全球移动通讯(Global System of Mobile communication，GSM)系统或码分多址(Code Division Multiple Access，CDMA)中的基站(Base Transceiver Station，BTS)，也可以是宽带码分多址(Wideband Code Division Multiple Access，WCDMA)系统中的基站(NodeB，NB)，还可以是LTE系统中的演进型基站(Evolutional NodeB，eNB或eNodeB)，还可以是云无线接入网络(Cloud Radio Access Network，CRAN)场景下的无线控制器，或者该网络设备可以为中继站、接入点、车载设备、可穿戴设备以及未来5G网络中的网络设备或者未来演进的PLMN网络中的网络设备等，本申请实施例并不限定。
图1是本申请一个通信系统的示意图。图1中的通信系统可以包括至少一个终端设备(例如终端设备10、终端设备20、终端设备30、终端设备40、终端设备50和终端设备60)和网络设备70。网络设备70用于为终端设备提供通信服务并接入核心网，终端设备可以通过搜索网络设备70发送的同步信号、广播信号等接入网络，从而进行与网络的通信。图1中的终端设备10、终端设备20、终端设备30、终端设备40和终端设备60可以与网络设备70直接进行的上/下行传输。此外，终端设备40、终端设备50和终端设备60也可以看作一个通信系统，终端设备60可以发送调度信息给终端设备40和终端设备60。
图2示出了传统方案中数据传输的示意性流程图。
201，网络设备向终端设备发送配置信息，该配置信息用于指示物理随机接入信道 (Physical Random Access Channel，PRACH)资源。
202，终端设备接收该配置信息，并根据该配置信息指示的物理随机接入信道资源上发送随机接入前导序列。终端设备通过PRACH的时间资源、PRACH的频域资源或者随机接入前导序列上报自己是否支持EDT。
203，网络设备根据终端设备的EDT能力，以及网络设备对该终端设备EDT能力的使能与否，确定数据的上行传输资源。
204，网络设备向终端设备发送配置信息指示数据的上行传输资源；
205，终端设备在该上行传输资源上发送第一数据。
具体地，若步骤204该上行传输资源为用于数据初传的资源，则可以通过MAC PDU中的上行授权指示数据的上行传输资源。图3示出了媒体接入控制协议(Medium Access Control，MAC)协议数据单元(Protocol Data Units，PDU)的结构示意图。该MAC PDU包括MAC头和至少一个MAC随机接入响应(Random Access Responses，RAR)。可选地，该MAC PDU还可以包括填充部分。其中MAC头中的子帧头1，子帧头2，…，子帧头n一一对应于MAC RAR1，MAC RAR2，…，MAC RARn。
此外，MAC RAR包括两种类型的结构，不同类型的MAC RAR的结构可以应用于不同信道质量的场景。图4示出了一种MAC RAR的结构示意图，如图4所示，该MAC RAR的结构可以对应于空闲态的覆盖增强等级为0或1的场景。图5示出了另一种MAC RAR的结构示意图，如图5所示，该MAC RAR的结构可以对应于空闲态的覆盖增强等级为2或3的场景。MAC RAR的结构包括R字段、定时提前值的索引值(Timing Advance，TA)字段、上行授权(UL Grant)字段和临时的无线网络临时标识(Temporary C-RNTI)字段。其中，R为预留比特位；TA用于控制定时调整量，且TA占用11个比特位；上行授权用于指示上行传输资源。
需要说明的是，图4中的上行授权占用2个字节+4bit＝20bit，而图5中的上行授权占用12bit。
应理解，空闲态的覆盖增强等级为0或1的模式对应“覆盖增强模式(coverage enhancement，CE)模式(mode)A”，空闲态的覆盖增强等级为2或3的模式对应“CE mode B”。
其中，上行授权字段具体包括消息(Message)3物理上行链路共享信道(Physical Uplink Shared Channel，PUSCH)窄带索引(narrowband index)字段、消息3 PUSCH资源分配(Resource allocation)字段、消息3 PUSCH重复次数字段、发射功率控制(transmit power control，TPC)字段、信道状态信息(channel state information，CSI)请求(request)字段、上行传输(uplink，UL)时延(delay)字段、消息3/4 MPDCCH窄带索引和零填充字段(Zero padding)。在CE mode B下，上行授权字段还包括TBS字段。在CE mode A下，上行授权字段还包括调制与编码策略(Modulation and Coding Scheme，MCS)字段。
表1示出了在CE mode A和CE mode B下，上行授权字段比特位的占用情况。
表1
Figure PCTCN2018086622-appb-000001
其中，
Figure PCTCN2018086622-appb-000002
N NB表示系统带宽上的窄带个数，
Figure PCTCN2018086622-appb-000003
表示上行系统带宽的RB个数，
Figure PCTCN2018086622-appb-000004
表示用于指示窄带索引的比特个数。
由表1可知，消息3 PUSCH的重复次数在CE mode A的情况下占用2个比特位。该2个比特位的取值可以分别对应消息3 PUSCH的重复次数分别如表2所示。
表2
Figure PCTCN2018086622-appb-000005
其中，Y A表示CE mode A的最大重复次数，Y A可以通过高层信令指示，例如高层信令指示Y A＝8。
由表2可知，消息3 PUSCH的重复次数在CE mode B的情况下占用3个比特位。该3个比特位的取值可以分别对应消息3 PUSCH的重复次数分别如表3所示。
表3
Figure PCTCN2018086622-appb-000006
其中，Y B可以通过高层信令指示，例如高层信令指示Y B＝128。
若步骤204的上行传输资源为用于消息3重传的资源，则网络设备可以向终端设备发送下行控制信息，该下行控制信息可以指示数据重传的上行传输资源，网络设备还可以向终端设备发送高层信令，所述高层信令指示预设的重复次数集合。网络设备通过下行控制信息指示重复次数集合中的某一个重复次数。重复次数集合包括至少一个重复次数，网络设备和终端设备都能够获知该重复次数集合中的各个元素。表4示出了CE mode A对应的重复次数集合。例如，高层信令可以指示高层信令参数为16或32，每个高层信令参数对应一个重复次数集合。表5示出了CE mode B对应的重复次数集合。
表4
高层信令参数 {n1,n2,n3,n4}
没有配置 {1,2,4,8}
16 {1,4,8,16}
32 {1,4,16,32}
表5
高层信令参数 {n1,n2,...,n8}
没有配置 {4,8,16,32,64,128,256,512}
192 {1,4,8,16,32,64,128,192}
256 {4,8,16,32,64,128,192,256}
384 {4,16,32,64,128,192,256,384}
512 {4,16,64,128,192,256,384,512}
768 {8,32,128,192,256,384,512,768}
1024 {4,8,16,64,128,256,512,1024}
1536 {4,16,64,256,512,768,1024,1536}
2048 {4,16,64,128,256,512,1024,2048}
网络设备还可以为终端设备配置传输块大小(Transport block size，TBS)值。通常，该TBS为网络设备能够为终端设备配置的最大TBS，终端设备根据该最大TBS进行数据传输，使得终端设备和网络设备传输数据的时延比较大。
图6示出了本申请实施例的数据传输的方法的示意性流程图。
601，终端设备接收第一配置信息，该第一配置信息用于指示第一TBS。相应地，网络设备发送该第一配置信息。
具体地，网络设备可以根据信道质量为终端设备配置第一TBS，且该第一TBS通常是网络设备结合信道质量为终端设备配置的最大的TBS。
需要说明的是，第一TBS和重复次数相互关联，例如，TBS越大，对应的重复次数越多。换句话说，TBS越大传输失败的可能性越高，进而需要重传的次数越多以保证传输性能。
可选地，网络设备可以向终端设备发送第一控制信息，该第一控制信息包括第一重复次数信息，该第一重复次数信息指示第一重复次数。相应地，终端设备可以接收该第一控制信息。
可选地，网络设备可以确定是否允许终端设备更新数据重复次数。
具体地，网络设备可以根据信道条件或者网络负载或者前几次HARQ传输的情况，确定是否可以降低重复次数，并通过配置信息指示给终端设备。
需要说明的是，网络设备可以单独发送配置信息指示是否允许终端设备更新数据重复次数，也可以携带在其他消息或信令中指示是否允许终端设备更新数据重复次数，本申请对此不进行限定。
可选地，该第一控制信息还可以包括第一指示信息，该第一指示信息可以指示是否允许该终端设备更新数据重复次数。或者说，该第一指示信息指示终端设备采用第一重复次数传输第一数据，还是采用第二重复次数传输第一数据。
需要说明的是，这里的第二重复次数与该第一重复次数不同。
具体地，该第一指示信息还可以指示第一数据的上行资源，本申请实施例网络设备能够通过释放、复用或者充分利用空闲的指示传输第一数据的上行资源的字段或状态来指示是否允许终端设备更新数据重复次数，这样终端设备根据网络设备的指示进行传输数据，使得网络设备和终端设备采用一致的重复次数和TBS进行通信，从而提高了通信质量。
其中，释放字段或状态可以理解为限制该字段原有的功能，使得该字段或状态能够用于指示是否允许终端设备更新数据重复次数。例如，用于指示MCS值的字段包括4bit，通过该4bit可以指示16种状态的MCS值，本申请实施例限制指示MCS值的比特位。
例如，仅用3bit表示8种状态的MCS值，剩余1bit用于指示是否允许终端设备更新数据重复次数。具体地，该1bit取“1”表示允许终端设备更新数据重复次数，取“0”表示不允许终端设备更新数据重复次数。
再例如，该4bit表示的前14种状态指示MCS值，另两种状态用于指示是否允许终端设备更新数据重复次数。具体地，取“1110”表示允许终端设备更新数据重复次数，取“1111”表示不允许终端设备更新数据重复次数。
其中，复用字段可以理解为该字段既有原有的功能，又有新的功能。例如，若终端设 备检测到该4bit的状态为“1111”，则终端设备能够获知15表示的MCS值，又能获知网络设备不允许终端设备更新数据重复次数。
其中，充分利用空闲状态可以理解原本用于原有功能的状态，在本次传输中不需要指示，或者该状态为预留状态。例如，网络设备为终端设备配置数据重传资源时，不需要指示MCS值，但是配置信息中仍然包括指示MCS值的字段或状态，这种情况下，网络设备可以通过该字段或状态指示是否允许终端设备更新数据重复次数。相应地，终端设备在检测到该资源配置为重传资源配置，将可以将原来用于指示MCS值的状态作为判断是否允许终端设备更新数据重复次数的状态。
可选地，本申请实施例中，第一指示信息可以是MAC RAR，该MAC RAR包括上行授权字段，该上行授权字段包括M个比特位，该M个比特位中的N个比特位用于指示是否允许终端设备更新数据重复次数，该M个比特位中的剩余M-N个比特位用于指示传输所述第一数据的上行资源。或者该M个比特位表示的第一状态和第二状态用于指示是否允许终端设备更新数据重复次数，该M个比特位表示的除该第一状态和该第二状态之外的其他状态用于指示传输该第一数据的上行资源。也就是说，该N个比特位可以是预留比特位、释放的比特位或复用的比特位。
具体地，该上行授权字段可以包括多种类型的字段，如表1所示。该指示是否允许终端设备更新数据重复次数的字段可以是该上行授权字段包括的任意一种类型中的字段，或者该上行授权字段包括的任意一种类型的字段表示的两个状态指示是否允许终端设备更新数据重复次数。
可选地，该N个比特位在该上行授权字段中的MCS字段或TBS字段中。也就是说，MCS字段或TBS字段中的N个字段用于指示是否允许终端设备更新数据重复次数。
具体地，在MAC RAR的结构不同的情况下，上行授权字段占用的比特位数目不同。例如，在MAC RAR为CE mode A的情况下，上行授权字段包括MCS字段；在MAC RAR为CE mode B的情况下，上行授权字段包括TBS字段，如表1所示。
例如，若传统方案中MCS字段包括4bit用于指示MCS值，本申请实施例可以限制该MCS字段通过3bit指示MCS值，1bit用于指示是否允许终端设备更新数据重复次数。
可选地，该第一指示信息为物理下行控制信息，该物理下行控制信息包括资源分配字段，该资源分配字段包括L比特位，该L个比特位中的K个比特位用于指示是否允许终端设备更新数据重复次数，L-K个比特位用于指示传输该第一数据的上行资源，其中，L，K均为正整数，且L≥K。
具体地，若该上行传输资源为用于重传第一数据的资源，则第一控制信息可以是物理下行控制信息，例如DCI格式(format)6-0A。该DCI格式(format)6-0A包括资源分配(resource block assignment)字段，该资源分配字段包括L个比特位，则其中K个可以用于指示是否允许终端设备更新数据重复次数，剩余的L-K个用于指示传输该第一数据的上行资源。
例如，该resource block assignment字段占用
Figure PCTCN2018086622-appb-000007
个比特位，则可以
Figure PCTCN2018086622-appb-000008
比特指示第一数据的上行传输资源，剩余1比特指示是否允许终端设备更 新数据重复次数。
可选地，该第一控制信息为物理下行控制信息，该物理下行控制信息包括上行授权字段，该上行授权字段包括L比特位，该L个比特位中的K个比特位用于指示是否允许终端设备更新数据重复次数，L-K个比特位用于指示传输该第一数据的上行资源，其中，L，K均为正整数，且L≥K。
可选地，该K个比特位在所述上行授权字段中的MCS字段中。
具体地，在该上行传输资源为用于重传第一数据的资源，网络设备不需要指示MCS值的情况下，可以通过MCS字段中的所有比特位或者部分比特位指示是否允许终端设备更新数据重复次数。若网络设备仍然需要指示MCS值，可以通过限制比特位或比特位指示的状态，指示是否允许终端设备更新数据重复次数。
可选地，该第一指示信息包括资源分配字段，该资源分配字段可以用于指示子(sub)PRB的资源。
具体地，在R15中为了支持sub-PRB的资源分配，资源分配字段新增2bit或3bit，若资源分配资源已经新增了比特位，但是还没有用于指示sub-PRB的资源分配，则可以通过新增的比特位指示是否允许终端设备更新数据重复次数。
602，终端设备根据该第一TBS确定预设TBS集合，该预设TBS集合包括一个或多个TBS，且该第一TBS是该TBS集合中的最大TBS。
具体地，终端设备和网络设备可以预先约定多个预设TBS，网络设备发送第一配置信息指示网络设备配置的第一TBS，终端设备根据该第一TBS，从小于或等于该第一TBS的至少一个预设TBS中确定预设TBS集合。
例如，终端设备和网络设备约定的预设TBS为328、408、504和600，若第一配置信息指示的第一TBS为504，则终端设备可以将328、408和504这三个预设TBS确定为预设TBS集合。
603，终端设备在该预设TBS集合中确定传输第一数据的第二TBS。
具体地，终端设备选择能够合理的传输该第一数据的第二TBS。例如，终端设备根据第一数据的数据量大小选择合适的第二TBS，从而在兼顾传输性能的同时节省传输时延。
可选地，终端设备还可以接收第一控制信息，该第一控制信息包括第一重复次数信息，该第一重复次数信息指示第一重复次数，这样终端设备可以根据该第一TBS和/或第二TBS确定第一参数，并根据该第一重复次数和该第一参数确定第二重复次数，该第二重复次数用于指示传输该第一数据的重复次数。
具体地，第一参数和TBS可以存在关联关系，也就是说，根据第一TBS和/或第二TBS能够确定出对应的第一参数，这样根据该第一参数和第一重复次数确定出第二重复次数，该第二重复次数可以用于指示传输第一数据的重复次数。
可选地，该第一参数的取值可以是1/8，1/4，1/2和1中的至少一项。
可选地，该第一参数的取值范围可以是{1/2、1}，{1/4、1/2、1}和{1/8、1/4、1/2、1}中的任一项。
可选地，终端设备可以根据该第二重复次数发送该第一数据。
可选地，终端设备可以直接存储目标映射关系，该目标映射关系可以是TBS和第一参数的映射关系。
具体地，目标映射关系可以是至少一种TBS和至少一种参数一一对应的对应关系，也可以是至少一种TBS对应一种参数。也就是说，终端设备从目标映射关系中能够找到某一种TBS对应的参数。终端设备根据该目标映射关系可以获知第二TBS对应的第一参数。此外，该目标映射关系为终端设备和网络设备一致采用的映射关系，这样能够使得终端设备和网络设备采用一致的重复次数，进而提高通信质量。
或者目标映射关系可以是TBS集合中的至少一种TBS和至少一种参数一一对应的关系，也可以是TBS集合中的至少一种TBS对应一种参数。也就是说，终端设备可以根据该映射关系确定第一TBS对应的第一参数。
可选地，该目标映射关系还可以是至少一种TBS、至少一种参数以及至少一种第一TBS的映射关系。
具体地，不同配置信息指示的第一TBS不同，预设TBS集合中的TBS和参数的对应关系也可以不同，也就是说，终端设备确定的第二重复次数结合了网络设备配置的第一TBS和第二TBS，从而更进一步提高通信质量。
可选地，目标映射关系可以以表格的形式体现，例如，如表6所示。
表6
  配置信息指示的TBS1 配置信息指示的TBS2
预设TBS集合中的TBS1 参数n1 参数n2
预设TBS集合中的TBS2 - 参数n3
可选地，第一参数、第一TBS和第二TBS满足以下关系。例如，预设TBS集合包括4个TBS({T1,T2,T3,T4})，且T1<T2<T3<T4，T4为该第一TBS。在T4≥M的情况下，若第二TBS为T4或T3，则第一参数为1；和/或若第二TBS为T2或T1，则第一参数为1/2。
可选地，在T4≤M时，第一参数为1。其中，M为预先规定的整数。
可选地，M可以取600。
可选地，第一参数和第一TBS和第二TBS可以满足以下关系。例如，预设TBS集合包括2个TBS({T1，T2})，T2为该第一TBS，则第一参数为1。
可选地，预设TBS集合包括3个TBS({T1，T2，T3})，T3为该第一TBS，则第一参数为1。
可选地，预设TBS集合包括1个TBS，则第一参数为1。
可选地，第一参数、第一TBS和第二TBS还可以满足以下关系。预设TBS集合包括4个TBS({T1,T2,T3,T4})，且T1<T2<T3<T4，T4为该第一TBS。在T4≥K的情况下，若第二TBS为T4、T3或T2，则第一参数为1；和/或若第二TBS为T1，则第一参数为1/2。其中，K为预先规定的整数。
可选地，K可以取456、504、600中的任一项。
可选地，第一参数的取值还可以与终端设备所处的模式相关联。若终端设备处于覆盖增强等级0、覆盖增强等级1、或覆盖增强模式A，且所述第一TBS≤N1时，所述第一参数为1，其中N1是预设正整数。若终端设备处于覆盖增强等级2、覆盖增强等级3或覆盖增强模式B，且所述第一TBS≤N2时，所述第一参数为1，其中N2是预设正整数。
需要说明的是，本申请实施例对预设TBS集合中TBS的数目不进行限定，预设TBS集合可以包括2个TBS、3个TBS或4个TBS等。
可选地，N1可以是408、504、600中的任一项。所述N2可以取408、456、504、600中的任一项。
可选地，第一参数为重复次数降低因子k，终端设备可以将第一重复次数和k的乘积确定为第二重复次数。
例如，该k＝0.5，第一配置信息指示的TBS对应的重复次数为64，则目标重复次数为32。
可选地，终端设备也可以将第一重复次数与k和第一重复次数乘积的差值确定为第二重复次数。即第二重复次数＝第一重复次数-第一重复次数*k。
可选地，网络设备可以根据信道质量确定为终端设备配置哪种结构的MAC RAR，即资源分配字段的长度。例如，如表1中资源分配字段为上行授权字段，该上行授权字段的长度可以占用20bit或12bit。相应地，上行授权字段的长度占用20bit的情况为对应的CE等级为0/1(即CE mode A)，上行授权字段的长度占用12bit的情况为对应的CE等级为2/3(即CE mode B)。
可选地，终端设备可以根据资源分配字段的长度确定网络设备为终端设备配置的CE等级。
可选地，终端设备和网络设备可以约定不同CE等级对应不同的映射关系。这样终端设备在获知CE等级之后，再在至少两种映射关系中选择目标映射关系。例如，CE mode A对应第一映射关系，CE mode B对应第二映射关系，使得信道条件差的情况下重复次数多一些，信道条件好的情况下重复次数少一些。
可选地，第二参数的取值范围为1/2、1；
例如，如表7示出了第一映射关系，表8示出了第二映射关系。
表7
  328 408 504 600 712 808 936 1000
T1 1.0 1.0 1.0 0.5 0.5 0.5 0.5 0.5
T2 - 1.0 1.0 0.5 0.5 0.5 0.5 0.5
T3 - - 1.0 1.0 1.0 1.0 1.0 1.0
T4 - - 1.0 1.0 1.0 1.0 1.0 1.0
表8
  328 408 504 600 712 808 936 1000
T1 1.0 1.0 1.0 0.5 0.5 0.5 0.5 0.5
T2 - 1.0 1.0 1.0 1.0 1.0 1.0 1.0
T3 - - 1.0 1.0 1.0 1.0 1.0 1.0
T4 - - - 1.0 1.0 1.0 1.0 1.0
可选地，终端设备还可以根据第二重复次数和预设重复次数阈值的大小关系确定采用第一重复次数还是第二重复次数。具体地，若第二重复次数大于或等于预设重复次数阈值， 则终端设备采用该第二重复次数传输第一数据；若第二重复次数小于预设重复次数阈值，则终端设备采用该第一重复次数传输第一数据。
例如，预设重复次数阈值设置为2，若第二重复次数为2，k＝0.5，则重复次数降低为1，此时终端设备可以采用第一重复次数传输该第一数据。
可选地，终端设备还可以根据第二重复次数与重复次数集合中的最小重复次数的大小关系确定第一重复次数还是第二重复次数。具体地，若第二重复次数大于或等于重复次数集合中的最小重复次数，则终端设备采用该第二重复次数传输第一数据；若第二重复次数小于重复次数集合中的最小重复次数，则终端设备采用该第一重复次数传输第一数据。
例如，如表5所示，若第一重复次数为256，256对应的重复次数集合为{4,8,16,32,64,128,192}，该重复次数集合中的最小重复次数为4，若第二重复次数为3，则终端设备采用该第二重复次数传输第一数据。
可选地，网络设备还可以进一步通过第二指示信息指示终端设备的重传次数，该第二指示信息携带在控制信息中，该第二指示信息指示第二参数。相应地，终端设备接收该第二指示信息。
具体地，终端设备根据该第二指示信息中的第二参数可以结合第一重复次数或第二重复次数确定第三重复次数，并根据第三重复次数传输第一数据。
可选地，终端设备根据第一重复次数和第二参数确定第三重复次数可以是将第一重复次数和第二参数的乘积确定为该第三重复次数。
可选地，终端设备根据第二重复次数和第二参数确定第三重复次数也可以是将第二重复次数和第二参数的乘积确定为该第三重复次数。
可选地，该第二参数可以为重复次数降低因子k。
可选地，终端设备也可以将第一重复次数与k和第一重复次数乘积的差值确定为第三重复次数。即第三重复次数＝第一重复次数-第一重复次数*k。
可选地，终端设备也可以将第二重复次数与k和第二重复次数乘积的差值确定为第三重复次数。即第三重复次数＝第一重复次数-第二重复次数*k。
可选地，该第二参数的取值可以是1/8，1/4，1/2和1中的至少一项。
可选地，该第二参数的取值范围可以是{1/2、1}、{1/4、1/2、1}和{1/8、1/4、1/2、1}中的任一项。
604，终端设备根据该第二TBS，发送该第一数据。相应地，网络设备根据预设TBS集合中的每个TBS接收该第一数据。
可选地，终端设备根据该第二重复次数和该第二TBS，发送该第一数据。
终端设备能够根据合适的目标重复次数和第二TBS发送第一数据，从而能够提高传输性能和节省传输时延。
可选地，网络设备根据该第一TBS和预设TBS集合中的每个TBS确定对应的1个或多个第一参数，并根据该1个或多个第一参数和第一重复次数确定对应的1个或多个第二重复次数，网络设备根据每个第二重复次数和每个第二重复次数对应的TBS检测该第一数据，使得终端设备和网络设备采用一致的重复次数和TBS，进而提高通信质量。
也就是说，网络设备需要根据第一TBS和预设TBS集合中的某一个TBS确定第一参数，根据该第一参数和第一重复次数确定第二重复次数。此外，网络设备执行预设TBS 集合中的其他TBS对应的第二重复次数。即网络设备需要根据TBS和对应的重复次数盲检第一数据。
因此，本申请实施例的数据传输的方法，终端设备根据网络设备配置的第一TBS可以确定预设TBS集合，并在该预设TBS集合中确定传输第一数据的第二TBS，进而根据该第二TBS发送该第一数据，也就是说，终端设备能够根据数据量的大小选择合适的TBS，从而节省数据的传输时延。
应理解，本申请实施例中的具体的例子只是为了帮助本领域技术人员更好地理解本申请实施例，而非限制本申请实施例的范围。
应理解，在本申请的各种实施例中，上述各过程的序号的大小并不意味着执行顺序的先后，各过程的执行顺序应以其功能和内在逻辑确定，而不应对本申请实施例的实施过程构成任何限定。
上文中详细描述了根据本申请实施例的数据传输的方法，下面将描述本申请实施例的数据传输的装置。
图7示出了本申请实施例的数据传输的装置700的示意性框图。
应理解，该数据传输的装置700可以对应于上述方法实施例中的终端设备，可以具有方法中的终端设备的任意功能。该装置700包括收发模块710和处理模块720。
该收发模块710，用于接收第一配置信息，该第一配置信息用于指示第一传输块大小TBS；
该处理模块720，用于根据该第一TBS确定预设TBS集合，该预设TBS集合包括一个或多个TBS，且该第一TBS是该TBS集合中的最大TBS；
该处理模块720，还用于在该预设TBS集合中确定传输第一数据的第二TBS；
该收发模块710，还用于根据该第二TBS，发送该第一数据。
可选地，该收发模块，还用于接收第一控制信息，该第一控制信息包括第一重复次数信息，该第一重复次数信息指示第一重复次数；
该处理模块720，还用于根据该第一TBS和/或该第二TBS，确定第一参数；
该处理模块720，还用于根据该第一重复次数和该第一参数，确定第二重复次数；
该收发模块710，还用于根据该第二重复次数，发送该第一数据。
可选地，该预设TBS集合为{T1,T2,T3,T4}，其中T4是该第一TBS，且T1<T2<T3<T4，
当T4大于或等于M，且第二TBS等于T4或T3时，第一参数等于1，其中M是预先规定的正整数；和/或
当T4大于或等于M，且第二TBS等于T2或T1时，第一参数等于1/2；和/或
当T4小于M时，第一参数等于1。
可选地，若该终端设备处于覆盖增强等级0、覆盖增强等级1、或覆盖增强模式A，且该第一TBS小于或等于N1时，该第一参数等于1，其中N1是预先规定的正整数；
若该终端设备处于覆盖增强等级2、覆盖增强等级3或覆盖增强模式B，且该第一TBS小于或等于N2时，该第一参数等于1，其中N2是预先规定的正整数。
可选地，该预设TBS集合为{T1,T2,T3,T4}，其中T4是该第一TBS，且T1<T2<T3<T4，T4大于或等于K，其中K是预先规定的正整数，
当第二TBS等于T4、T3或T2时，第一参数等于1；和/或
当第二TBS等于T1时，第一参数等于1/2。
可选地，该第一控制信息还包括第一指示信息，该第一指示信息指示终端设备是采用该第一重复次数传输该第一数据，还是采用第二重复次数传输该第一数据。
可选地，该第一控制信息还包括第二指示信息，该第二指示信息指示第二参数，该处理模块，还用于根据该第二参数和该第一重复次数确定第三重复次数；或，
该处理模块720，还用于根据该第二参数和该第二重复次数确定第三重复次数；
该处理模块720，还用于根据该第三重复次数传输该第一数据。
可选地，该处理模块720具体用于：
将该第二参数和该第一重复次数的乘积确定为该第三重复次数；或
该处理模块720具体用于：
将该第二参数和该第二重复次数的乘积确定为该第三重复次数。
因此，本申请实施例的数据传输的装置，终端设备根据网络设备配置的第一TBS可以确定预设TBS集合，并在该预设TBS集合中确定传输第一数据的第二TBS，进而根据该第二TBS发送该第一数据，也就是说，终端设备能够根据数据量的大小选择合适的TBS，从而节省数据的传输时延。
可选地，本申请实施例的数据传输的装置700可以是终端设备，也可以是终端设备内的芯片。
应理解，根据本申请实施例的数据传输的装置700可对应于图6的实施例的数据传输的方法中的终端设备，并且数据传输的装置700中的各个模块的上述和其它管理操作和/或功能分别为了实现前述各个方法的相应步骤，为了简洁，在此不再赘述。
可选地，若该数据传输的装置700为终端设备，则本申请实施例中的收发模块710可以由收发器810实现，处理模块720可以由处理器820实现。如图8所示，数据传输的装置800可以包括收发器810，处理器820和存储器830。其中，存储器830可以用于存储指示信息，还可以用于存储处理器820执行的代码、指令等。所述收发器810可以包括射频电路，可选地，所述终端设备还包括存储单元。
该存储单元例如可以是存储器。当终端设备包括存储单元时，该存储单元用于存储计算机执行指令，该处理单元与该存储单元连接，该处理单元执行该存储单元存储的计算机执行指令，以使该终端设备执行上述数据传输的方法。
可选地，若该数据传输的装置700为终端设备内的芯片，则该芯片包括处理模块710和收发模块720。收发模块720可以由收发器810实现，处理模块710可以由处理器820实现。所述收发模块例如可以是输入/输出接口、管脚或电路等。该处理模块可执行存储单元存储的计算机执行指令。所述存储单元为所述芯片内的存储单元，如寄存器、缓存等，所述存储单元还可以是所述终端内的位于所述芯片外部的存储单元，如只读存储器(read-only memory，ROM)或可存储静态信息和指令的其他类型的静态存储设备，随机存取存储器(random access memory，RAM)等。
图9是本申请实施例的数据传输的装置900。该数据传输的装置900可以为上述网络设备。
应理解，该数据传输的装置900可以对应于各方法实施例中的网络设备，可以具有方法中的网络设备的任意功能。该装置900，包括收发模块910和处理模块920。
该收发模块910，用于发送第一配置信息，该第一配置信息用于指示第一传输块大小TBS；
该处理模块920，用于根据该第一TBS确定预设TBS集合，该预设TBS集合包括一个或多个TBS，且该第一TBS是该TBS集合中的最大TBS；
该收发模块910，还用于根据该一个或多个TBS，接收第一数据。
可选地，该收发模块910，还用于发送第一控制信息，该第一控制信息包括第一重复次数信息，该第一重复次数信息指示第一重复次数；
该处理模块920，还用于根据该第一TBS和/或该预设TBS集合中的TBS，确定1个或多个第一参数；
该处理模块920，还用于根据该第一重复次数和该1个或多个第一参数，确定1个或多个第二重复次数；
该收发模块910，还用于根据该1个或多个第二重复次数，接收该第一数据。
可选地，该预设TBS集合为{T1,T2,T3,T4}，其中T4是该第一TBS，且T1<T2<T3<T4，
当T4大于或等于M，且第二TBS等于T4或T3时，第一参数等于1，其中M是预先规定的正整数；和/或
当T4大于或等于M，且第二TBS等于T2或T1时，第一参数等于1/2；和/或
当T4小于M时，第一参数等于1。
可选地，若该终端设备处于覆盖增强等级0、覆盖增强等级1、或覆盖增强模式A，且该第一TBS小于或等于N1时，该第一参数等于1，其中N1是预先规定的正整数；
若该终端设备处于覆盖增强等级2、覆盖增强等级3或覆盖增强模式B，且该第一TBS小于或等于N2时，该第一参数等于1，其中N2是预先规定的正整数。
可选地，该预设TBS集合为{T1,T2,T3,T4}，其中T4是该第一TBS，且T1<T2<T3<T4，T4大于或等于K，其中K是预先规定的正整数，
当第二TBS等于T4、T3或T2时，第一参数等于1；和/或
当第二TBS等于T1时，第一参数等于1/2。
可选地，该第一控制信息还包括第一指示信息，该第一指示信息指示终端设备是采用该第一重复次数传输该第一数据，还是采用第二重复次数传输该第一数据。
可选地，该第一控制信息还包括第二指示信息，该第二指示信息指示第二参数，该第二参数用于终端设备确定第三重复次数，该第三重复次数用于传输该第一数据。
因此，本申请实施例的数据传输的装置，终端设备根据网络设备配置的第一TBS可以确定预设TBS集合，并在该预设TBS集合中确定传输第一数据的第二TBS，进而根据该第二TBS发送该第一数据，也就是说，终端设备能够根据数据量的大小选择合适的TBS，从而节省数据的传输时延。
可选地，本申请实施例的数据传输的装置900可以是网络设备，也可以是网络设备内的芯片。
应理解，根据本申请实施例的数据传输的装置900可对应于图6的实施例的数据传输的方法中的网络设备，并且数据传输的装置900中的各个模块的上述和其它管理操作和/或功能分别为了实现前述各个方法的相应步骤，为了简洁，在此不再赘述。
可选地，若该数据传输的装置900为网络设备，则本申请实施例中的收发模块910可 以由收发器1010实现，处理模块920可以由处理器1020实现。如图10所示，装置1080可以包括收发器1010，处理器1020和存储器1030。其中，存储器1030可以用于存储指示信息，还可以用于存储处理器1020执行的代码、指令等。所述收发器可以包括射频电路，可选地，所述网络设备还包括存储单元。
该存储单元例如可以是存储器。当网络设备包括存储单元时，该存储单元用于存储计算机执行指令，该处理模块与该存储单元连接，该处理模块执行该存储单元存储的计算机执行指令，以使该网络设备执行上述数据传输的方法。
可选地，若该数据传输的装置900为网络设备内的芯片，则该芯片包括处理模块920和收发模块910。收发模块910例如可以是芯片上的输入/输出接口、管脚或电路等。处理模块920可执行存储单元存储的计算机执行指令。
可选地，所述存储单元为所述芯片内的存储单元，如寄存器、缓存等，所述存储单元还可以是所述终端内的位于所述芯片外部的存储单元，如只读存储器(read-only memory，ROM)或可存储静态信息和指令的其他类型的静态存储设备，随机存取存储器(random access memory，RAM)等。所述存储单元为所述芯片内的存储单元，如寄存器、缓存等，所述存储单元还可以是所述终端内的位于所述芯片外部的存储单元，如只读存储器(read-only memory，ROM)或可存储静态信息和指令的其他类型的静态存储设备，随机存取存储器(random access memory，RAM)等。
应理解，处理器820或处理器1020可以是集成电路芯片，具有信号的处理能力。在实现过程中，上述方法实施例的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器可以是通用处理器、数字信号处理器(digital signal processor，DSP)、专用集成电路(application specific integrated circuit，ASIC)、现成可编程门阵列(field programmable gate array，FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本申请实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成，或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器，处理器读取存储器中的信息，结合其硬件完成上述方法的步骤。
可以理解，本申请实施例中的存储器830或存储器1030可以是易失性存储器或非易失性存储器，或可包括易失性和非易失性存储器两者。其中，非易失性存储器可以是只读存储器(read-only memory，ROM)、可编程只读存储器(programmable ROM，PROM)、可擦除可编程只读存储器(erasable PROM，EPROM)、电可擦除可编程只读存储器(electrically EPROM，EEPROM)或闪存。易失性存储器可以是随机存取存储器(random access memory，RAM)，其用作外部高速缓存。通过示例性但不是限制性说明，许多形式的RAM可用，例如静态随机存取存储器(static RAM，SRAM)、动态随机存取存储器(dynamic RAM，DRAM)、同步动态随机存取存储器(synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(double data rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(enhanced SDRAM，ESDRAM)、同步连接动态随机存取存 储器(synchronous link DRAM，SLDRAM)和直接内存总线随机存取存储器(direct rambus RAM，DR RAM)。应注意，本文描述的系统和方法的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
图11示出了本申请实施例的通信系统1100，该通信系统1100包括：
如图7所示的实施例中的数据传输的装置700和如图9所示的实施例中的数据传输的装置900。
本申请实施例还提供一种计算机存储介质，该计算机存储介质可以存储用于指示上述任一种方法的程序指令。
可选地，该存储介质具体可以为存储器830或1030。
本申请实施例还提供了一种芯片系统，该芯片系统包括处理器，用于支持分布式单元、集中式单元以及、终端设备和网络设备以实现上述实施例中所涉及的功能，例如，例如生成或处理上述方法中所涉及的数据和/或信息。
在一种可能的设计中，所述芯片系统还包括存储器，所述存储器，用于保存分布式单元、集中式单元以及终端设备和网络设备必要的程序指令和数据。该芯片系统，可以由芯片构成，也可以包含芯片和其他分立器件。
本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的系统、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述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单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，ROM)、随 机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以所述权利要求的保护范围为准。

Claims (30)

  1. 一种数据传输的方法，其特征在于，包括：
    接收第一配置信息，所述第一配置信息用于指示第一传输块大小TBS；
    根据所述第一TBS确定预设TBS集合，所述预设TBS集合包括一个或多个TBS，且所述第一TBS是所述TBS集合中的最大TBS；
    在所述预设TBS集合中确定传输第一数据的第二TBS；
    根据所述第二TBS，发送所述第一数据。
  2. 根据权利要求1所述的方法，其特征在于，所述方法还包括：
    接收第一控制信息，所述第一控制信息包括第一重复次数信息，所述第一重复次数信息指示第一重复次数；
    根据所述第一TBS和/或所述第二TBS，确定第一参数；
    根据所述第一重复次数和所述第一参数，确定第二重复次数；
    根据所述第二重复次数，发送所述第一数据。
  3. 根据权利要求2所述的方法，其特征在于，所述预设TBS集合为{T1,T2,T3,T4}，其中T4是所述第一TBS，且T1<T2<T3<T4，
    当T4大于或等于M，且第二TBS等于T4或T3时，第一参数等于1，其中M是预先规定的正整数；和/或
    当T4大于或等于M，且第二TBS等于T2或T1时，第一参数等于1/2；和/或
    当T4小于M时，第一参数等于1。
  4. 根据权利要求2所述的方法，其特征在于，
    若所述终端设备处于覆盖增强等级0、覆盖增强等级1、或覆盖增强模式A，且所述第一TBS小于或等于N1时，所述第一参数等于1，其中N1是预先规定的正整数；
    若所述终端设备处于覆盖增强等级2、覆盖增强等级3或覆盖增强模式B，且所述第一TBS小于或等于N2时，所述第一参数等于1，其中N2是预先规定的正整数。
  5. 根据权利要求2所述的方法，其特征在于，所述预设TBS集合为{T1,T2,T3,T4}，其中T4是所述第一TBS，且T1<T2<T3<T4，T4大于或等于K，其中K是预先规定的正整数，
    当第二TBS等于T4、T3或T2时，第一参数等于1；和/或
    当第二TBS等于T1时，第一参数等于1/2。
  6. 根据权利要求1至5中任一项所述的方法，其特征在于，所述第一控制信息还包括第一指示信息，所述第一指示信息指示终端设备是采用所述第一重复次数传输所述第一数据，还是采用第二重复次数传输所述第一数据。
  7. 根据权利要求2至5中任一项所述的方法，其特征在于，所述第一控制信息还包括第二指示信息，所述第二指示信息指示第二参数，所述方法还包括：
    根据所述第二参数和所述第一重复次数确定第三重复次数；或，
    根据所述第二参数和所述第二重复次数确定第三重复次数；
    根据所述第三重复次数传输所述第一数据。
  8. 根据权利要求7所述的方法，其特征在于，所述根据所述第二参数和所述第一重复次数确定第三重复次数包括：
    将所述第二参数和所述第一重复次数的乘积确定为所述第三重复次数；或
    所述根据所述第二参数和所述第二重复次数确定第三重复次数包括：
    将所述第二参数和所述第二重复次数的乘积确定为所述第三重复次数。
  9. 一种数据传输的方法，其特征在于，包括：
    发送第一配置信息，所述第一配置信息用于指示第一传输块大小TBS；
    根据所述第一TBS确定预设TBS集合，所述预设TBS集合包括一个或多个TBS，且所述第一TBS是所述TBS集合中的最大TBS；
    根据所述一个或多个TBS，接收第一数据。
  10. 根据权利要求9所述的方法，其特征在于，所述方法还包括：
    发送第一控制信息，该第一控制信息包括第一重复次数信息，所述第一重复次数信息指示第一重复次数；
    根据所述第一TBS和/或所述预设TBS集合中的TBS，确定1个或多个第一参数；
    根据所述第一重复次数和所述1个或多个第一参数，确定1个或多个第二重复次数；
    根据所述1个或多个第二重复次数，接收所述第一数据。
  11. 根据权利要求10所述的方法，其特征在于，所述预设TBS集合为{T1,T2,T3,T4}，其中T4是所述第一TBS，且T1<T2<T3<T4，
    当T4大于或等于M，且第二TBS等于T4或T3时，第一参数等于1，其中M是预先规定的正整数；和/或
    当T4大于或等于M，且第二TBS等于T2或T1时，第一参数等于1/2；和/或
    当T4小于M时，第一参数等于1。
  12. 根据权利要求10所述的方法，其特征在于，
    若所述终端设备处于覆盖增强等级0、覆盖增强等级1、或覆盖增强模式A，且所述第一TBS小于或等于N1时，所述第一参数等于1，其中N1是预先规定的正整数；
    若所述终端设备处于覆盖增强等级2、覆盖增强等级3或覆盖增强模式B，且所述第一TBS小于或等于N2时，所述第一参数等于1，其中N2是预先规定的正整数。
  13. 根据权利要求10所述的方法，其特征在于，所述预设TBS集合为{T1,T2,T3,T4}，其中T4是所述第一TBS，且T1<T2<T3<T4，T4大于或等于K，其中K是预先规定的正整数，
    当第二TBS等于T4、T3或T2时，第一参数等于1；和/或
    当第二TBS等于T1时，第一参数等于1/2。
  14. 根据权利要求9至13中任一项所述的方法，其特征在于，所述第一控制信息还包括第一指示信息，所述第一指示信息指示终端设备是采用所述第一重复次数传输所述第一数据，还是采用第二重复次数传输所述第一数据。
  15. 根据权利要求10至13中任一项所述的方法，其特征在于，所述第一控制信息还包括第二指示信息，所述第二指示信息指示第二参数，所述第二参数用于终端设备确定第三重复次数，所述第三重复次数用于传输所述第一数据。
  16. 一种数据传输的装置，其特征在于，包括：
    收发模块，用于接收第一配置信息，所述第一配置信息用于指示第一传输块大小TBS；
    处理模块，用于根据所述第一TBS确定预设TBS集合，所述预设TBS集合包括一个或多个TBS，且所述第一TBS是所述TBS集合中的最大TBS；
    所述处理模块，还用于在所述预设TBS集合中确定传输第一数据的第二TBS；
    所述收发模块，还用于根据所述第二TBS，发送所述第一数据。
  17. 根据权利要求16所述的装置，其特征在于，所述收发模块，还用于接收第一控制信息，所述第一控制信息包括第一重复次数信息，所述第一重复次数信息指示第一重复次数；
    所述处理模块，还用于根据所述第一TBS和/或所述第二TBS，确定第一参数；
    所述处理模块，还用于根据所述第一重复次数和所述第一参数，确定第二重复次数；
    所述收发模块，还用于根据所述第二重复次数，发送所述第一数据。
  18. 根据权利要求17权利要求所述的装置，其特征在于，所述预设TBS集合为{T1,T2,T3,T4}，其中T4是所述第一TBS，且T1<T2<T3<T4，
    当T4大于或等于M，且第二TBS等于T4或T3时，第一参数等于1，其中M是预先规定的正整数；和/或
    当T4大于或等于M，且第二TBS等于T2或T1时，第一参数等于1/2；和/或
    当T4小于M时，第一参数等于1。
  19. 根据权利要求17所述的装置，其特征在于，
    若所述终端设备处于覆盖增强等级0、覆盖增强等级1、或覆盖增强模式A，且所述第一TBS小于或等于N1时，所述第一参数等于1，其中N1是预先规定的正整数；
    若所述终端设备处于覆盖增强等级2、覆盖增强等级3或覆盖增强模式B，且所述第一TBS小于或等于N2时，所述第一参数等于1，其中N2是预先规定的正整数。
  20. 根据权利要求17所述的装置，其特征在于，所述预设TBS集合为{T1,T2,T3,T4}，其中T4是所述第一TBS，且T1<T2<T3<T4，T4大于或等于K，其中K是预先规定的正整数，
    当第二TBS等于T4、T3或T2时，第一参数等于1；和/或
    当第二TBS等于T1时，第一参数等于1/2。
  21. 根据权利要求16至20中任一项所述的装置，其特征在于，所述第一控制信息还包括第一指示信息，所述第一指示信息指示终端设备是采用所述第一重复次数传输所述第一数据，还是采用第二重复次数传输所述第一数据。
  22. 根据权利要求17至20中任一项所述的装置，其特征在于，所述第一控制信息还包括第二指示信息，所述第二指示信息指示第二参数，所述处理模块，还用于根据所述第二参数和所述第一重复次数确定第三重复次数；或，
    所述处理模块，还用于根据所述第二参数和所述第二重复次数确定第三重复次数；
    所述处理模块，还用于根据所述第三重复次数传输所述第一数据。
  23. 根据权利要求22所述的装置，其特征在于，所述处理模块具体用于：
    将所述第二参数和所述第一重复次数的乘积确定为所述第三重复次数；或
    所述处理模块具体用于：
    将所述第二参数和所述第二重复次数的乘积确定为所述第三重复次数。
  24. 一种数据传输的装置，其特征在于，包括：
    收发模块，用于发送第一配置信息，所述第一配置信息用于指示第一传输块大小TBS；
    处理模块，用于根据所述第一TBS确定预设TBS集合，所述预设TBS集合包括一个或多个TBS，且所述第一TBS是所述TBS集合中的最大TBS；
    所述收发模块，还用于根据所述一个或多个TBS，接收第一数据。
  25. 根据权利要求24所述的装置，其特征在于，所述收发模块，还用于发送第一控制信息，该第一控制信息包括第一重复次数信息，所述第一重复次数信息指示第一重复次数；
    所述处理模块，还用于根据所述第一TBS和/或所述预设TBS集合中的TBS，确定1个或多个第一参数；
    所述处理模块，还用于根据所述第一重复次数和所述1个或多个第一参数，确定1个或多个第二重复次数；
    所述收发模块，还用于根据所述1个或多个第二重复次数，接收所述第一数据。
  26. 根据权利要求25所述的装置，其特征在于，所述预设TBS集合为{T1,T2,T3,T4}，其中T4是所述第一TBS，且T1<T2<T3<T4，
    当T4大于或等于M，且第二TBS等于T4或T3时，第一参数等于1，其中M是预先规定的正整数；和/或
    当T4大于或等于M，且第二TBS等于T2或T1时，第一参数等于1/2；和/或
    当T4小于M时，第一参数等于1。
  27. 根据权利要求25所述的装置，其特征在于，
    若所述终端设备处于覆盖增强等级0、覆盖增强等级1、或覆盖增强模式A，且所述第一TBS小于或等于N1时，所述第一参数等于1，其中N1是预先规定的正整数；
    若所述终端设备处于覆盖增强等级2、覆盖增强等级3或覆盖增强模式B，且所述第一TBS小于或等于N2时，所述第一参数等于1，其中N2是预先规定的正整数。
  28. 根据权利要求25所述的装置，其特征在于，所述预设TBS集合为{T1,T2,T3,T4}，其中T4是所述第一TBS，且T1<T2<T3<T4，T4大于或等于K，其中K是预先规定的正整数，
    当第二TBS等于T4、T3或T2时，第一参数等于1；
    当第二TBS等于T1时，第一参数等于1/2。
  29. 根据权利要求24至28中任一项所述的装置，其特征在于，所述第一控制信息还包括第一指示信息，所述第一指示信息指示终端设备是采用所述第一重复次数传输所述第一数据，还是采用第二重复次数传输所述第一数据。
  30. 根据权利要求25至28中任一项所述的装置，其特征在于，所述第一控制信息还包括第二指示信息，所述第二指示信息指示第二参数，所述第二参数用于终端设备确定第三重复次数，所述第三重复次数用于传输所述第一数据。
PCT/CN2018/086622 2018-05-11 2018-05-11 数据传输的方法和装置 WO2019213979A1 (zh)

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