WO2022022730A1 - 重复传输的方法、装置 - Google Patents

重复传输的方法、装置 Download PDF

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Publication number
WO2022022730A1
WO2022022730A1 PCT/CN2021/109940 CN2021109940W WO2022022730A1 WO 2022022730 A1 WO2022022730 A1 WO 2022022730A1 CN 2021109940 W CN2021109940 W CN 2021109940W WO 2022022730 A1 WO2022022730 A1 WO 2022022730A1
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Prior art keywords
bit sequence
transmission
bit
indication information
encoded
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PCT/CN2021/109940
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English (en)
French (fr)
Inventor
余雅威
郭志恒
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华为技术有限公司
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Priority claimed from CN202110170410.0A external-priority patent/CN114070462A/zh
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP21851362.0A priority Critical patent/EP4184826A4/en
Publication of WO2022022730A1 publication Critical patent/WO2022022730A1/zh
Priority to US18/161,524 priority patent/US20230171047A1/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
    • H04L5/0001—Arrangements for dividing the transmission path
    • 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
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • H04L5/0046—Determination of how many bits are transmitted on different sub-channels
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0067—Rate matching
    • 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
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • 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
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0057—Block codes

Definitions

  • the present application relates to the field of communications, and, more particularly, to methods and apparatus for repeated transmissions.
  • the information exchanged between a user equipment (user equipment, UE) and a base station (base station, or g Node B, gNB) is carried through a physical channel. Therefore, the combined detection can be performed by repeatedly transmitting the data to improve the channel estimation performance and the data demodulation performance.
  • coverage enhancement means need to be considered, which is especially important for uplink transmission, because the transmit power of the UE is often low, for example, 23dBm, which is much lower than the transmit power of the gNB (for example, a gNB with a bandwidth of 20MHz, its Typical transmit power is 46dBm).
  • One way to enhance coverage performance is to repeatedly send data. For example, UE repeatedly sends physical uplink shared channel (PUSCH) data, and gNB performs combined detection on the repeatedly sent data, which can improve channel estimation performance and improve data. demodulation performance, thereby improving cell coverage.
  • PUSCH physical uplink shared channel
  • the new radio (NR) communication system considering that the repeated transmission will be cut off when crossing the time slot boundary or the uplink and downlink data switching, the actual transmission code rate will be too high. As a result, the information bits cannot be completely transmitted.
  • two independent channel estimations will be performed in actual transmission, because the demodulation reference signal (Demodulation Reference Signal, DMRS) used in one independent channel estimation Less, the estimated channel may be inaccurate.
  • DMRS Demodulation Reference Signal
  • the present application provides a method and apparatus for repeated transmission, which can improve the reception and decoding performance of the repeated transmission of PUSCH.
  • a method for data transmission comprising: determining that a start bit of a first bit sequence and an end bit of a second bit sequence are in consecutive positions in an encoded bit sequence, the first bit The sequence is the bit sequence of the first transmission, and the second bit sequence is the bit sequence of the second transmission, wherein the first transmission and the second transmission carry the same transport block, and the second transmission is the The first transmission is the previous transmission.
  • the first transmission and the second transmission are two temporally adjacent transmissions, and the second transmission precedes the first transmission in time.
  • the above technical solution by selecting the position of the start bit of the first bit sequence in the encoded bit sequence, it is determined that the start bit of the first bit sequence and the end bit of the second bit sequence are in the encoded bit sequence
  • the position of the coded bit sequence is continuous, which can solve the problem that in the existing system, due to the fact that the actual transmission code rate is too high and the repeated transmission will select from the predefined position of the coded bit sequence, some information bits and/or check bits in the coded bit sequence may appear.
  • the above technical solution can reduce the probability of information bits and check bits being lost as much as possible, and effectively ensure the receiving and decoding performance of repeated transmissions.
  • the configured time domain unit for repeated transmission is the number of time domain units occupied by each repeated transmission configured by the network device for the terminal.
  • the first bit sequence is equal to at least one parameter in the second bit sequence, wherein the parameter includes: power, precoding and antenna port.
  • channel estimation can be performed together based on all the demodulation reference signal (DMRS) time domain units of two repeated transmissions, compared to using the DMRS time domain units of the current repeated transmission in each repeated transmission.
  • DMRS demodulation reference signal
  • more DMRS time domain units can be used to improve the accuracy of channel estimation, thereby improving the reliability of transmitted data demodulation and decoding.
  • the start bit of the first bit sequence and the end of the second bit sequence are determined
  • the positions of the bits in the encoded bit sequence are continuous; or, when the time domain unit of the second transmission satisfies the second preset condition, it is determined that the start bit of the first bit sequence and the end bit of the second bit sequence are in the same position.
  • the positions in the encoded bit sequence are consecutive.
  • the actual transmission code rate of the first bit sequence of the first transmission is greater than or equal to a first preset threshold, and the time of the first transmission The ratio of the number of domain units to the number of time domain units of one repeated transmission is greater than a second preset threshold, wherein the actual transmission code rate of the first bit sequence of the first transmission is the configured code rate for repeated transmission.
  • the product of the initial code rate of the bit sequence transmitted by the time domain unit and the first ratio, the initial code rate is the configured code rate of one repeated transmission, and the first ratio is the configured time of one repeated transmission The ratio of the number of domain units to the number of time domain units of the first transmission.
  • the number of time-domain units here is the sum of the number of time-domain units bearing the bit sequence and the number of time-domain units occupied by DMRS; Including the time domain units occupied by the DMRS, where the number of time domain units is the number of time domain units carrying bit sequences.
  • the actual transmission code rate of the second bit sequence of the second transmission is greater than or equal to a third preset threshold, and the time of the second transmission The ratio of the number of domain units to the configured number of time domain units of one repeated transmission is less than or equal to a fourth preset threshold, wherein the actual transmission code rate of the second bit sequence of the second transmission is the configured rate
  • the second ratio is the second transmission The ratio of the number of time-domain units of the configuration to the number of time-domain units of one repeated transmission of the configuration.
  • the number of time-domain units here is the sum of the number of time-domain units bearing the bit sequence and the number of time-domain units occupied by DMRS; Including the time domain units occupied by the DMRS, where the number of time domain units is the number of time domain units carrying bit sequences.
  • indication information is sent, where the indication information is used to indicate that the start bit of the first bit sequence and the end bit of the second bit sequence are in the encoded bit sequence position is continuous.
  • downlink control information DCI is sent, where the DCI includes the indication information.
  • the information in the DCI indicates that according to the first bit
  • the start bit of the sequence and the end bit of the second bit sequence are repeatedly transmitted in the form of consecutive positions in the encoded bit sequence.
  • the information may be a newly added field, or may be a redundant state value of an existing field, such as state values 29-31 (reserved bits) indicated by the modulation and coding strategy.
  • radio resource control RRC signaling is sent, where the RRC signaling includes the indication information.
  • a data transmission method comprising: determining that the positions of the start bit of the first bit sequence and the end bit of the second bit sequence are consecutive in the encoded bit sequence, and the first bit sequence is the bit sequence of the first transmission, and the second bit sequence is the bit sequence of the second transmission, wherein the first transmission and the second transmission carry the same transmission block, and the second transmission is the first transmission
  • the first bit sequence is received and/or transmitted by the previous transmission of the transmission.
  • the transmitted bits are selected from the coded bit sequence at the position of the coded bit sequence, which may cause the problem that some information bits and/or check bits cannot be sent and the decoding fails.
  • the first bit sequence is equal to at least one parameter in the second bit sequence, wherein the parameter includes: power, precoding and antenna port.
  • channel estimation can be performed together based on all DMRS time-domain units of two repeated transmissions. Compared with using the DMRS time-domain units of current repeated transmission for channel estimation in each repeated transmission, more DMRS time-domain units can be used for channel estimation. Domain units are used to improve the accuracy of channel estimation, thereby improving the reliability of transmitted data demodulation and decoding.
  • indication information is received, where the indication information is used to indicate the difference between the start bit of the first bit sequence and the end bit of the second bit sequence in the encoded bit sequence.
  • the position is continuous; wherein, determining that the position of the start bit of the first bit sequence and the end bit of the second bit sequence in the encoded bit sequence is continuous, including: according to the indication information, determining the start bit of the first bit sequence and the end bit of the bit sequence.
  • the positions of the end bits of the second bit sequence in the encoded bit sequence are consecutive.
  • DCI is received, where the DCI includes the indication information.
  • the information in the DCI indicates that according to the first bit
  • the start bit of the sequence and the end bit of the second bit sequence are repeatedly transmitted in the form of consecutive positions in the encoded bit sequence.
  • the information may be a newly added field, or may be a redundant state value of an existing field, such as state values 29-31 (reserved bits) indicated by the modulation and coding strategy.
  • RRC signaling is received, where the RRC signaling includes the indication information.
  • a data transmission method comprising: determining that a first block to be encoded includes at least two second blocks to be encoded, and each block to be encoded in the at least two second blocks to be encoded is A block to be encoded transmitted by a time domain unit of one time unit for repeated transmission; channel coding and rate matching are performed on the first block to be encoded to obtain a bit sequence; and the bit sequence is received and/or sent.
  • channel coding and rate matching are performed uniformly by combining at least two second blocks to be encoded into a larger block to be encoded.
  • channel coding and rate matching are performed uniformly by combining at least two second blocks to be encoded into a larger block to be encoded.
  • better channel coding gain can be obtained compared to the original independent channel coding of at least two second blocks to be coded.
  • Determine the transmission code rate of the block to be coded after the combination and perform repeated transmission in the original at least two second blocks to be coded in the time domain unit used for repeated transmission after channel coding and rate matching, which can be improved by the obtained channel coding gain Decoding and demodulation performance of repeated transmissions.
  • the third aspect when the number of bits of the second block to be encoded satisfies the first preset condition, after channel encoding and rate matching are performed on the first block to be encoded, Repeated transmission over multiple time units.
  • the first preset condition is that the maximum number of bits of the block to be encoded in the at least two second blocks to be encoded is less than or equal to the first preset threshold.
  • the first preset condition is that the sum of the number of bits of the at least two second blocks to be encoded is less than or equal to a second preset threshold.
  • first indication information is sent, where the first indication information is used to indicate that the first bit sequence is obtained by channel coding and rate matching for the first block to be encoded bit sequence.
  • a first DCI is sent, where the first DCI includes the first indication information.
  • the 1-bit information in the DCI indicates that the first bit sequence is a bit sequence obtained by channel coding and rate matching for the first block to be encoded.
  • the 1 bit may be a newly added field, or may be a redundant state value of an existing field, such as state values 29-31 (reserved bits) indicated by the modulation and coding strategy.
  • first RRC signaling is sent, where the first RRC signaling includes the first indication information.
  • the positions of the start bit of the first bit sequence and the end bit of the second bit sequence in the encoded bit sequence are consecutive, and the first bit sequence is the bit sequence of the first transmission, the second bit sequence is the bit sequence of the second transmission, wherein the first transmission and the second transmission carry the same transmission block, and the second transmission is the previous transmission of the first transmission. transmission.
  • the start bit of the first bit sequence and the end of the second bit sequence are determined
  • the positions of the bits in the encoded bit sequence are continuous, and/or when the number of time domain units of the second transmission satisfies the third preset condition, determine the start bit of the first bit sequence and the end of the second bit sequence The positions of the bits in the encoded bit sequence are consecutive.
  • the second preset condition is that the actual transmission code rate of the first bit sequence of the first transmission is greater than or equal to a first preset threshold, and The ratio of the number of time-domain units of the first transmission to the number of time-domain units of one repeated transmission is greater than a second preset threshold, wherein the actual transmission code rate of the first bit sequence of the first transmission is The product of the initial code rate of the bit sequence transmitted by the configured time domain unit for repeated transmission and the first ratio, the initial code rate is the configured code rate of one repeated transmission, and the first ratio is the The configured ratio of the number of time domain units of one repeated transmission to the number of time domain units of the first transmission.
  • the number of time-domain units here is the sum of the number of time-domain units bearing the bit sequence and the number of time-domain units occupied by DMRS; Including the time domain units occupied by the DMRS, where the number of time domain units is the number of time domain units carrying bit sequences.
  • the third preset condition is that the actual transmission code rate of the second bit sequence of the second transmission is greater than or equal to a third preset threshold, and The ratio of the number of time-domain units of the second transmission to the number of time-domain units of the configuration for one repeated transmission is less than or equal to a fourth preset threshold, wherein the second bit sequence of the second transmission
  • the actual transmission code rate is the product of the initial code rate of the bit sequence transmitted by the time domain unit configured for repeated transmission and the second ratio
  • the initial code rate is the configured code rate for one repeated transmission
  • the second The ratio is the ratio of the number of time domain units of the second transmission to the number of time domain units of one repeated transmission of the configuration.
  • the number of time-domain units here is the sum of the number of time-domain units bearing the bit sequence and the number of time-domain units occupied by DMRS; Including the time domain units occupied by the DMRS, where the number of time domain units is the number of time domain units carrying bit sequences.
  • second indication information is sent, and the second indication information is used to indicate that the start bit of the first bit sequence and the end bit of the second bit sequence are in the code. The positions in the subsequent bit sequence are consecutive.
  • a second DCI is sent, where the second DCI includes the second indication information.
  • the 1-bit information in the second DCI indicates that the The starting bit of the first bit sequence and the end bit of the second bit sequence are repeatedly transmitted in the form of consecutive positions in the encoded bit sequence.
  • the 1-bit information may be a newly added field, or may be a redundant state value of an existing field, such as state values 29-31 (reserved bits) indicated by the modulation and coding strategy.
  • second RRC signaling is sent, where the second RRC signaling includes the second indication information.
  • a method for data transmission comprising:
  • Receive first indication information where the first indication information is used to indicate that the sequence received and/or sent in multiple time units is the sequence of the first block to be coded after channel coding and rate matching, wherein the first block to be coded is
  • the coding block includes at least two second blocks to be coded, and each block to be coded in one of the at least two second blocks to be coded is a block to be coded for a time domain unit transmission of one time unit for repeated transmission. coding block; receiving and/or sending the sequence; performing channel decoding on the sequence according to the first indication information.
  • the sequence of the first block to be encoded after channel coding and rate matching is received and/or transmitted over multiple time units, wherein the first block to be encoded includes at least two second blocks to be encoded, Each to-be-coded block in one of the at least two second to-be-coded blocks is a to-be-coded block to be transmitted by a time-domain unit for repeated transmission, and unified channel decoding is performed on the first bit sequence, It can improve the transmission capacity of the system.
  • a first DCI is received, where the first DCI includes the first indication information.
  • the 1-bit information in the DCI indicates that the first bit sequence is a bit sequence obtained by channel coding and rate matching for the first block to be encoded.
  • the 1 bit may be a newly added field, or may be a redundant state value of an existing field, such as state values 29-31 (reserved bits) indicated by the modulation and coding strategy.
  • first RRC signaling is received, where the first RRC signaling includes the first indication information.
  • second indication information is received, where the second indication information is used to indicate that the start bit of the first bit sequence and the end bit of the second bit sequence are after the encoding
  • the positions of the bit sequences are consecutive, the first bit sequence is the bit sequence of the first transmission, and the second bit sequence is the bit sequence of the second transmission, wherein the first transmission and the second transmission bear The same transmission block, the second transmission is the previous transmission of the first transmission; according to the second indication information, it is determined that the start bit of the first bit sequence and the end bit of the second bit sequence are after the encoding.
  • the positions of the bit sequence are consecutive; the sequence of the first to-be-coded block after channel coding and rate matching is received and/or transmitted over multiple time units.
  • a second DCI is received, where the second DCI includes the second indication information.
  • the 1-bit information in the DCI indicates that the repeated transmission is performed in a form in which the positions of the start bit of the first bit sequence and the end bit of the second bit sequence are consecutive in the encoded bit sequence.
  • the 1 bit may be a newly added field, or may be a redundant state value of an existing field, such as state values 29-31 (reserved bits) indicated by the modulation and coding strategy.
  • second RRC signaling is received, where the second RRC signaling includes the second indication information.
  • a data transmission method comprising: determining that at least one parameter in the first bit sequence and the second bit sequence is equal, the parameter including: power, precoding and antenna port.
  • the first bit sequence is the bit sequence of the first transmission
  • the second bit sequence is the bit sequence of the second transmission
  • the bit sequence of the first transmission and the second transmission carry the same transmission block
  • the The second transmission is the previous transmission of the first transmission
  • the first bit sequence is received and/or transmitted.
  • the parameters include: power, precoding and antenna port, and can be used for channel estimation based on all DMRS time-domain units of two repeated transmissions , compared to using the DMRS time domain unit of the current repeated transmission for channel estimation in each repeated transmission, more DMRS time domain units can be used to improve the accuracy of the channel estimation, thereby improving the transmission data demodulation and decoding. reliability.
  • the number of time domain units of the first transmission satisfies the fourth preset condition, it is determined that at least one of the first bit sequence and the second bit sequence is One parameter is equal; or, when the number of time domain units of the second transmission satisfies the fifth preset condition, it is determined that at least one parameter in the first bit sequence and the second bit sequence is equal.
  • the fourth preset condition is at least one of the following conditions: the actual transmission code rate of the first bit sequence of the first transmission is greater than or is equal to a first preset threshold, and the ratio of the number of time-domain units of the first transmission to the number of time-domain units of one repeated transmission is greater than a second preset threshold, wherein the first transmission of the first
  • the actual transmission code rate of the bit sequence is the product of the configured initial code rate of the bit sequence transmitted by the time domain unit for repeated transmission and the first ratio, the initial code rate is the configured code rate for one repeated transmission
  • the first ratio is a ratio of the number of time-domain units of one repeated transmission of the configuration to the number of time-domain units of the first transmission.
  • the number of time-domain units here is the sum of the number of time-domain units bearing the bit sequence and the number of time-domain units occupied by DMRS; Including the time domain units occupied by the DMRS, where the number of time domain units is the number of time domain units carrying bit sequences.
  • the fifth preset condition is at least one of the following conditions: the actual transmission code rate of the second bit sequence of the second transmission is greater than or is equal to a third preset threshold, and the ratio of the number of time-domain units of the second transmission to the number of time-domain units of one repeated transmission of the configuration is less than or equal to a fourth preset threshold, wherein the second The actual transmission code rate of the transmitted second bit sequence is the product of the initial code rate of the bit sequence transmitted by the configured time domain unit for repeated transmission and the second ratio, where the initial code rate is configured for one repeated transmission
  • the second ratio is the ratio of the number of time-domain units of the second transmission to the number of time-domain units of one repeated transmission of the configuration.
  • the number of time-domain units here is the sum of the number of time-domain units bearing the bit sequence and the number of time-domain units occupied by DMRS; Including the time domain units occupied by the DMRS, where the number of time domain units is the number of time domain units carrying bit sequences.
  • a data transmission method comprising: determining that at least one parameter in the first bit sequence and the second bit sequence is equal, the parameter including: power, precoding and antenna port.
  • the positions of the start bit of the first bit sequence and the end bit of the second bit sequence are consecutive in the encoded bit sequence, the first bit sequence is the first transmitted bit sequence, and the second bit sequence is The bit sequence of the second transmission, wherein the bit sequence of the first transmission and the second transmission carry the same transport block, and the second transmission is the previous transmission of the first transmission; receiving and/or sending the first bit sequence.
  • the parameters include: power, precoding and antenna port, and can be used for channel estimation based on all DMRS time-domain units of two repeated transmissions , compared to using the DMRS time domain unit of the current repeated transmission for channel estimation in each repeated transmission, more DMRS time domain units can be used to improve the accuracy of the channel estimation, thereby improving the transmission data demodulation and decoding. reliability.
  • a seventh aspect provides an apparatus for data transmission, where the apparatus for data transmission is configured to execute the communication methods provided in the first to sixth aspects above.
  • the apparatus for data transmission may include modules for performing the data transmission methods provided in the first to sixth aspects.
  • an apparatus for data transmission comprising a processor.
  • the processor is coupled to the memory, and can be used to execute the instructions in the memory, so as to implement the communication method in the first aspect to the sixth aspect and any one of the possible implementation manners of the first aspect to the sixth aspect.
  • the apparatus for data transmission further includes a memory.
  • the apparatus for data transmission further includes a communication interface, the processor is coupled to the communication interface, and the communication interface is used for inputting and/or outputting information.
  • the information includes at least one of instructions and data.
  • the apparatus for data transmission is a network device.
  • the communication interface may be a transceiver, or an input/output interface.
  • the device for data transmission is a chip or a chip system.
  • the communication interface may be an input/output interface, an interface circuit, an output circuit, an input circuit, a pin or a related circuit on the chip or a chip system.
  • the processor may also be embodied as processing circuitry or logic circuitry.
  • the apparatus for data transmission is a chip or a chip system configured in a network device.
  • the transceiver may be a transceiver circuit.
  • the input/output interface may be an input/output circuit.
  • a seventh aspect provides a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a communication device, causes the communication device to implement the first to sixth aspects, and the first to sixth aspects
  • the communication method in any possible implementation of .
  • a computer program product comprising instructions, which, when executed by a computer, cause a communication apparatus to implement the communication methods provided in the first to sixth aspects.
  • FIG. 1 shows a schematic diagram of a wireless communication system 100 suitable for this embodiment of the present application.
  • FIG. 2 shows a schematic diagram of time-domain resource allocation for repeated PUSCH transmission.
  • FIG. 3 shows a schematic diagram of repeated transmission of PUSCH across time slot boundaries.
  • FIG. 4 shows a schematic diagram of an RV cycle in which PUSCH is repeatedly transmitted across a slot boundary.
  • FIG. 5 shows a schematic diagram of RV numbering and starting point selection after LDPC encoding.
  • FIG. 6 shows a schematic diagram of repeated transmission of PUSCH across time slot boundaries.
  • FIG. 7 shows a schematic flowchart of an example of a method for repeatedly transmitting data to which the present application is applied.
  • FIG. 8 shows a schematic diagram of an example of determining the starting point of the repeated transmission bit sequence according to the present application.
  • FIG. 9 shows a schematic diagram of another example of determining the starting point of the repeated transmission bit sequence according to the present application.
  • FIG. 10 shows a schematic flow chart of another example of a method for repeated transmission applicable to the present application.
  • FIG. 11 shows a schematic diagram of repeated transmission of multiple time slots after the block to be transmitted according to the present application is synthesized.
  • FIG. 12 shows a schematic flowchart of another example of a method for repeatedly transmitting data to which the present application is applied.
  • FIG. 13 shows a schematic flowchart of another example of a method for repeatedly transmitting data to which the present application is applied.
  • FIG. 14 shows a schematic flow chart of another example of a method for repeatedly transmitting data to which the present application is applied.
  • FIG. 15 shows a schematic flowchart of another example of a method for repeatedly transmitting data to which the present application is applied.
  • FIG. 16 shows a schematic block diagram of a communication apparatus applicable to the embodiment of the present application.
  • FIG. 17 shows a schematic structural diagram of a communication apparatus applicable to the embodiment of the present application.
  • FIG. 18 shows a schematic structural diagram of a communication apparatus applicable to the embodiment of the present application.
  • FIG. 19 shows a schematic structural diagram of a communication apparatus applicable to the embodiment of the present application.
  • 5th generation 5G
  • 5G fifth generation
  • NR fifth generation
  • long term evolution long term evolution
  • LTE long term evolution
  • LTE frequency division duplex frequency division duplex
  • FDD frequency division duplex
  • TDD time division duplex
  • TDD time division duplex
  • UMTS universal mobile telecommunication system
  • FIG. 1 is another schematic diagram of a wireless communication system 100 suitable for an embodiment of the present application.
  • the wireless communication system 100 may include at least one terminal device, such as the terminal devices 121 and 122 in FIG. 1 ; the wireless communication system 100 may also include multiple network devices, such as the network device 111 in FIG. 1 . and network device 112.
  • the terminal device 121 in FIG. 1 can communicate with the terminal device 122 , the network device 121 and the network device 112 at the same time, and the network device 121 can communicate with the terminal device 121 , the terminal device 122 and the network device 112 at the same time.
  • Both the network device and the terminal device can be configured with multiple antennas, and the network device and the terminal device can communicate using the multi-antenna technology.
  • FIG. 1 is only an exemplary illustration, and the present application is not limited thereto.
  • the network device in the wireless communication system may be any device with a wireless transceiver function.
  • the equipment includes but is not limited to: evolved Node B (evolved Node B, eNB), Radio Network Controller (Radio Network Controller, RNC), Node B (Node B, NB), Base Station Controller (Base Station Controller, BSC) , base transceiver station (Base Transceiver Station, BTS), home base station (for example, Home evolved NodeB, or Home Node B, HNB), base band unit (Base Band Unit, BBU), Wireless Fidelity (Wireless Fidelity, WIFI) system
  • the access point (Access Point, AP), wireless relay node, wireless backhaul node, transmission point (TP) or transmission and reception point (TRP), etc. can also be 5G, such as, NR, gNB in the system, or, transmission point (TRP or TP), one or a group (including multiple antenna panels) antenna panels of a base station in a 5G system, or,
  • a gNB may include a centralized unit (CU) and a DU.
  • the gNB may also include an active antenna unit (active antenna unit, AAU for short).
  • the CU implements some functions of the gNB, and the DU implements some functions of the gNB.
  • the CU is responsible for processing non-real-time protocols and services, and implementing functions of radio resource control (RRC) and packet data convergence protocol (PDCP) layers.
  • RRC radio resource control
  • PDCP packet data convergence protocol
  • the DU is responsible for processing physical layer protocols and real-time services, and implementing the functions of the radio link control (RLC) layer, the media access control (MAC) layer and the physical (PHY) layer.
  • RLC radio link control
  • MAC media access control
  • PHY physical layer
  • the higher-layer signaling such as the RRC layer signaling
  • the network device may be a device including one or more of a CU node, a DU node, and an AAU node.
  • the CU can be divided into network devices in an access network (radio access network, RAN), and the CU can also be divided into network devices in a core network (core network, CN), which is not limited in this application.
  • the redundant version is designed to realize incremental redundancy (Incremental redundancy, IR) hybrid automatic repeat request (Hybrid Automatic Repeat reQuest, HARQ) transmission, that is, the redundant bits generated by the encoder are divided into several groups, each Each RV defines a transmission start point, and different RVs are respectively used for the first transmission and each HARQ retransmission, so as to realize the gradual accumulation of redundant bits and complete the incremental redundant HARQ operation.
  • two RV numbers were considered: 4 and 8, and 4 RVs were determined to be adopted after discussion.
  • the definition of RV is related to the size of the soft buffer (SoftBuffer). Select the smaller of the circular buffer at the sending end and the soft buffer at the receiving end, and distribute the four RVs evenly within this range.
  • LDPC Low Density Parity Coding
  • the decoding algorithms of LDPC codes include the following three categories: hard-decision decoding, soft-decision decoding and hybrid decoding.
  • Hard decision decoding The received real number sequence is first demodulated by the demodulator, and then the hard decision is performed to obtain the hard decision 0, 1 sequence, and finally the obtained hard decision sequence is sent to the hard decision decoder for decoding. code. Although the computational complexity of this method is very low, the hard-decision operation will lose most of the channel information, resulting in a very low utilization rate of channel information. The channel information utilization rate and decoding complexity of hard-decision decoding fall into three categories. lowest in decoding. Common hard-decision decoding algorithms include bit-flipping (BF) algorithm and one-step majority-logic (OSMLG) decoding algorithm.
  • BF bit-flipping
  • OSMLG majority-logic
  • Soft-decision decoding can be regarded as infinite-bit quantization decoding. It makes full use of the received channel information (soft information), and the utilization rate of channel information is greatly improved.
  • the channel information used by soft-decision decoding not only includes The symbol of the channel information also includes the amplitude value of the channel information.
  • the full utilization of the channel information greatly improves the decoding performance, so that the decoding can be performed iteratively, and the received channel information can be fully mined, and finally excellent bit error performance can be obtained.
  • the channel information utilization rate and decoding complexity of soft-decision decoding are the highest among the three types of decoding.
  • the most commonly used soft-decision decoding algorithm is the sum-product decoding algorithm, also known as the belief propagation (BP) algorithm.
  • hybrid decoding combines the characteristics of soft-decision decoding and hard-decision decoding, and is a kind of decoding algorithm based on reliability. On the basis of decoding, the reliability is calculated by using part of the channel information.
  • Commonly used hybrid decoding algorithms include weighted bit flip (weighted BF, WBF) algorithm, weighted OSMLG (weighted OSMLG, WMLG) decoding algorithm.
  • Transport block a transport block is a data block containing a MAC PDU. This data block is transmitted on a TTI and is also a unit of HARQ retransmission.
  • LTE specifies that a maximum of two transport blocks can be sent for one TTI per terminal. This is for a certain UE, and for an eNodeB, there are more than two transport blocks scheduled per TTI, because multiple UEs can be scheduled at the same time.
  • TB is the concept of MAC.
  • a slot is the smallest scheduling unit of time.
  • the format of a time slot contains 14 orthogonal frequency division multiplexing (Orthogonal Frequency Division Multiplexing, OFDM) symbols, and the CP of each OFDM symbol is a normal CP (normal CP); the format of a time slot contains 12 symbols.
  • OFDM symbols the CP of each OFDM symbol is an extended CP (extended CP); a format of a time slot includes 7 OFDM symbols, and the CP of each OFDM symbol is a normal CP.
  • the OFDM symbols in a time slot can be all used for uplink transmission; all of them can be used for downlink transmission; or part of them can be used for downlink transmission, part of them can be used for uplink transmission, and part of them are reserved for no transmission. It should be understood that the above examples are only illustrative, and should not constitute any limitation to the present application. For the sake of system forward compatibility, the slot format is not limited to the above examples.
  • Time-frequency resources In this embodiment of the present application, data or information may be carried by time-frequency resources, where the time-frequency resources may include resources in the time domain and resources in the frequency domain. Wherein, in the time domain, the time-frequency resources may include one or more time-domain units (or may also be referred to as time units), and in the frequency domain, the time-frequency resources may include frequency-domain units.
  • a time domain unit (also referred to as a time unit) may be one symbol or several symbols, or a mini-slot (mini-slot), or a time slot (slot), or a subframe (subframe),
  • the duration of one subframe in the time domain may be 1 millisecond (ms)
  • one slot may consist of 7 or 14 symbols
  • one mini-slot may include at least one symbol (for example, 2 symbols or 7 symbols) symbol or 14 symbols, or any number of symbols less than or equal to 14 symbols).
  • the above-mentioned time-domain unit size is only for the convenience of understanding the solution of the present application, and should not be understood as a limitation of the present application. It can be understood that the above-mentioned time-domain unit size may be other values, which is not limited in the present application.
  • a frequency domain unit may be a resource block (RB), a resource block group (RBG), or a predefined subband (subband).
  • RB resource block
  • RBG resource block group
  • subband predefined subband
  • the demodulation reference signal (Demodulation Reference Signal, DMRS) is used for uplink and downlink data demodulation during data transmission.
  • the information exchanged between the UE and the gNB is carried through a physical channel.
  • the data sent by the UE that is, the uplink data
  • the control information sent by the UE that is, the uplink control information
  • the physical uplink control channel physical uplink control channel, PUCCH.
  • the UE can also send a sounding reference signal (SRS), and the gNB can estimate the channel quality of the UE on different frequencies by receiving the SRS of the UE.
  • SRS sounding reference signal
  • the current NR protocol supports ⁇ 1, 2, 4 ⁇ different times of repeated transmission; for PUSCH transmission, the current NR protocol supports ⁇ 1, 2, 4, 8 ⁇ different times of repeated transmission.
  • RRC Radio Resource Control
  • RRC also includes many processes such as connection management, radio bearer control, and connection mobility. It takes a long time (for example, 100 milliseconds) for RRC signaling to be transmitted from the upper layer to the terminal, so it cannot flexibly and dynamically adapt to the transmission channel. Variety. Therefore, in the follow-up NR discussion, the 38.214 protocol is introduced for the PUSCH through downlink control information (Downlink Control Information, DCI) to dynamically indicate the number of repeated transmissions of the PUSCH to flexibly match the channel quality of the current PUSCH transmission. Specifically, the number of repeated transmissions is determined by an index of a time domain resource allocation (Time Domain Resource Allocation, TDRA) table in the DCI.
  • DCI Downlink Control Information
  • TDRA Time Domain Resource Allocation
  • the DCI's time domain resource allocation field value m provides the row index m+ 1 to the assigned table.
  • the index row defines the slot offset K2, the start and length indicator SLIV , or directly defines the start symbol S and allocation length L, and the type of PUSCH mapping to be applied in the PUSCH transmission.
  • the number of repeated transmissions is determined by the index of the TDRA table in the DCI. Therefore, the number of repeated transmissions of the current PUSCH may be determined by the DCI indication to determine the number of repeated transmissions of the PUSCH.
  • the number of repeated transmissions of the current PUSCH can be determined by the DCI indication (dynamic scheduling and grant-free scheduling of Type2 PUSCH) or the RepK of the RRC message (license-free scheduling of Type1).
  • the transmission of one PUSCH is not allowed to cross the slot boundary. Therefore, in order to avoid the transmission of PUSCH across the slot boundary, the UE can configure the repeated transmission of PUSCH through UL grant or RRC signaling in consecutive available time slots, called is PUSCH repetition typeA, wherein the time domain resources of the repeated transmission of PUSCH in each time slot are the same (reserved).
  • FIG. 2 is a schematic diagram of time domain resource allocation for repeated PUSCH transmission.
  • the time domain resources scheduled by the base station for each transmission will not be greater than or equal to 14 time domain units, and the base station allocates the same time domain resources each time. Therefore, the time occupied by the time domain resources The domain location is the same.
  • the time domain resources scheduled for one transmission occupy one time slot, which will cause intermittent transmission resources while avoiding being cut by the time slot boundary.
  • PUSCH repetition typeB is added to the Rel-16 protocol.
  • the TDRA field in the DCI or the TDRA parameter in the type1 grant-free scheduling indicates the first "nominal" repeated resource, and the time domain resources for the remaining repeated transmissions are based on the first Calculated from the time domain resources and UL/DL slot configuration of a PUSCH. If a "nominal" transmission crosses a slot boundary or DL/UL switch point, the "nominal" transmission is split into multiple PUSCH repetitions at the slot boundary or switch point, so the actual number of repetitions may be greater than the indicated value.
  • FIG. 3 is a schematic diagram of a PUSCH repeated transmission across time slot boundaries.
  • the time domain resources of a transmission are all UL (DL) resources and less than a time slot size, cross-boundary transmission will not occur, and the actual repetitions (actual repetitions) are equal to the preconfigured repetitions ( nominal repetitions).
  • the time domain resource of one transmission spans the UL/DL switching point, the one transmission resource will be cut into multiple PUSCH repetitions at the switching point, and the actual repetition times are greater than the preconfigured repetition times.
  • the time domain resource of one transmission crosses the slot boundary, the one transmission resource will be cut into multiple PUSCH repetitions at the slot boundary, and the actual number of repetitions is greater than the preset number of repetitions.
  • the RV cycle will be performed during the current repeated transmission, that is, in the case of multiple repeated transmissions, the continuous bit sequence to be sent will be selected from different starting positions of the encoded bit sequence according to the cycle sequence of the configured RV number to complete the rate matching and Repeated transmission is performed, and different information bits and check bits are transmitted as much as possible, so as to improve the gain of combined decoding at the receiving end.
  • FIG. 4 is a schematic diagram of an RV cycle in which a PUSCH is repeatedly transmitted across a slot boundary.
  • the first repeated transmission is Rep#1, and the starting position of the repeated transmission is RV0;
  • the second repeated transmission is Rep#2, and the starting position of the repeated transmission is RV2;
  • the three repeated transmissions are Rep#3, and the starting position of the repeated transmissions is RV3.
  • FIG. 5 is a schematic diagram of RV numbering and starting point selection after LDPC encoding.
  • the transport block size (Transport block size, TBS) is the size of a complete transmission resource block.
  • the RV numbering methods are RV0, RV1, RV2, and RV3.
  • Repeated transmission may be switched when crossing the time slot boundary, resulting in a decrease in the number of actual available time domain units for current repeated transmission, and when the transmission block size TBS remains unchanged, the actual transmission code rate will be too high. Reduce the decoding accuracy rate of the current repeated transmission.
  • FIG. 6 is a schematic diagram of repeated transmission of PUSCH across slot boundaries.
  • the current gNB is configured with > 2 repeated transmissions of Type B PUSCH.
  • the time domain resources scheduled for each transmission are 14 time domain units.
  • the first transmission needs to cross the time slot boundary, so the first transmission It is cut into two repeated transmissions, that is, the first transmission actually only occupies 4 time domain unit resources, and the rate matching and repeated transmission are performed from the RV0 position of the LDPC encoded bit sequence.
  • the remaining 10 time-domain unit resources will perform the second repeated transmission, and perform rate matching and repeated transmission from the RV2 position of the LDPC-coded bit sequence.
  • Second transmission occupy 10 time domain unit resources, and perform bit selection from the position corresponding to RV2 of the LDPC encoded bit sequence.
  • the current bit sequence of the second transmission should be in the same position as the bit sequence of the first transmission in the LDPC-encoded bit sequence, that is, the bit sequence of the second transmission should be continuous.
  • the starting point is at the position of the LDPC encoded bit sequence, and should be at the position of the LDPC encoded bit sequence along the end of the first transmitted bit sequence.
  • the second transmission performs bit selection from the position corresponding to RV2 in the LDPC-encoded bit sequence, which may cause the bit sequence of the first transmission in the LDPC-encoded bit sequence to be different from the first transmission in the LDPC-encoded bit sequence.
  • the decoding performance of the receiving end is significantly degraded.
  • coverage enhancement means need to be considered, which is especially important for uplink transmission, because the transmit power of the UE is often low, for example, 23dBm, which is much lower than the transmit power of the gNB (for example, a gNB with a bandwidth of 20MHz, its Typical transmit power is 46dBm).
  • One way to enhance the coverage performance is to repeatedly send data. For example, the UE repeatedly sends PUSCH data, and the gNB performs combined detection on the repeatedly sent data, which can improve the channel estimation performance, improve the data demodulation performance, and thus improve the cell coverage capability.
  • the current NR protocol supports uplink repeated transmission, that is, the data is repeatedly sent by the UE, and the gNB receives and combines the repeated data to improve the signal-to-noise ratio of the received signal, effectively improving the channel estimation capability and demodulation performance. Improve the coverage of the cell.
  • the present application resolves the problem of decoding failure in the prior art due to the fact that the actual code rate is too high due to repeated transmission across time slot boundaries through an agreement between the gNB and the UE for the selection of the starting point of the RV during repeated transmission. .
  • time domain unit appearing in the embodiments of the present application may be a time domain symbol, a subframe, a half frame, or a frame, etc., which is not limited in this application.
  • FIG. 7 is a schematic flowchart of an example of a method for repeated transmission applied in the present application. The method includes:
  • the first device is used to represent the network device
  • the second device is used to represent the terminal device
  • first device and the second device may also have other forms.
  • both the first device and the second device may be network devices, or both the first device and the second device may be terminal devices, or the first device and the second device may be terminal devices.
  • the device may be a terminal device, and the second device may be a network device, which is not limited here.
  • the first device performs preset condition judgment.
  • the configured basic parameters such as the starting point and the length of the bit sequence transmitted by the time domain unit for repeated transmission are configured by the first device.
  • repeated transmission it includes a first transmission and a second transmission, the first transmission and the second transmission carry the same transmission block, and the second transmission is the previous transmission of the first transmission, that is, the second transmission is the first transmission.
  • the transmissions are adjacent in time and precede the first transmission in time.
  • the first transmission and the second transmission may occupy different time slots or be discontinuous in one time slot. For example, when the transmission crosses the switching point of the uplink data and the downlink data in one time slot, the first transmission and the second transmission may be caused.
  • the two transmissions are not consecutive within a time slot, or, when in different time slots, the first transmission and the second transmission are separated by a time slot boundary. Therefore, the first device can calculate in the preset process whether the time domain unit occupies at least two time slots or is discontinuous in one time slot.
  • the first device will make a condition judgment, that is, whether the time domain unit of the first transmission satisfies the first preset condition, or whether the time domain unit of the second transmission satisfies the second preset condition Set conditions.
  • the first preset condition may include whether the actual transmission code rate of the first bit sequence of the first transmission is greater than or equal to the first preset threshold, and the actual transmission code rate of the first bit sequence of the first transmission is configured.
  • the product of the initial code rate of the bit sequence transmitted by the time domain unit used for repeated transmission and the first ratio, the initial code rate is the configured code rate of one repeated transmission, and the first ratio is the configured one repeated transmission.
  • the number of time domain units of the preconfigured one-time repeated transmission is 14, the initial code rate of the first bit sequence of the first transmission is 0.6, and the number of time domain units of the first transmission is 10.
  • the first preset condition may include whether the ratio of the number of time-domain units of the first transmission to the number of time-domain units of one repeated transmission of the configuration is less than or equal to a second preset threshold.
  • the number of time-domain units of the first transmission is 12, and the number of time-domain units of one repeated transmission in this configuration is 14.
  • the ratio of the number of units to the number of time-domain units of one repeated transmission of the configuration is greater than the second preset
  • the actual transmission code rate of the second bit sequence of the second transmission is greater than or equal to the third preset threshold, and the actual transmission code rate of the second bit sequence of the second transmission is the configured time domain of one repeated transmission.
  • the product of the initial code rate of the bit sequence transmitted by the unit and the second ratio, where the initial code rate is the code rate of the bit sequence sent by the time-domain unit of the configured one-time repeat transmission, and the second ratio is the configured one-time repeat The ratio of the number of time domain units transmitted to the number of time domain units of the second transmission.
  • the number of time-domain units in one repeated transmission 14
  • the initial code rate of the second bit sequence in the second transmission 0.6
  • the number of time-domain units in the second transmission 4
  • the third preset The threshold is 1.
  • the actual transmission code rate of the second bit sequence of the second transmission is greater than the third preset threshold; when the DMRS both occupy a time domain unit of the first transmission and a time domain unit of the second transmission, the second transmission
  • the actual transmission code rate of the second bit sequence of the second transmission is greater than the third preset threshold.
  • the number of time-domain units for the second transmission is 2, and the number of time-domain units used for one transmission in this configuration is 14.
  • the fourth preset threshold is 1/2
  • the number of time-domain units of the second transmission is 4, and the number of time-domain units of the first transmission is 10.
  • the fifth preset threshold is 1/2, when the time-domain units of the first transmission are different from those of the second transmission
  • the first preset threshold, the second preset threshold, the third preset threshold, the fourth preset threshold and the fifth preset threshold may be predetermined, such as defined by a protocol, or may be configured by a network device Alternatively, it may also be an empirical value determined according to historical communication conditions, which is not limited in this application.
  • S720 Determine that at least one parameter in the first bit sequence and the second bit sequence is equal.
  • both the first device and the second device will determine that at least one parameter in the first bit sequence and the second bit sequence is equal, wherein the parameters include: power, precoding and antenna port.
  • time domain unit of the first transmission and the time domain unit of the second transmission occupy different time slots or are discontinuous in one time slot
  • data transmission will be performed in the form of two independent repeated transmissions.
  • the related parameter configurations of the first transmission and the second transmission are independent of each other, and the receiving end performs independent channel estimation on the data transmitted twice, and then demodulates and decodes the data for the two transmissions respectively.
  • the receiving end performs channel estimation on the data transmitted each time, fewer DMRS sequences are used, resulting in inaccurate channel estimation.
  • joint channel estimation can be performed uniformly after the two bit sequences are received, so as to improve the accuracy of channel estimation, thereby improving twice The accuracy of demodulation and decoding of transmitted data. Because, in the actual implementation process, because the two data transmissions are independent and the parameters are inconsistent, the joint channel estimation will still fail. For example, when the power of the second transmission changes greatly, a random phase relative to the first transmission may be generated during the second transmission. This random phase is coupled in the estimated channel, because it cannot be eliminated. , resulting in inaccurate estimated channel; when the transmitting antenna port is not the same port, the channel estimated by DMRS will also be inconsistent; Joint channel estimation.
  • channel estimation can be performed together based on all the DMRS time-domain units of the two repeated transmissions, compared to using the DMRS of the current repeated transmission in each repeated transmission.
  • the time domain unit performs channel estimation, and more DMRS time domain units can be used to improve the accuracy of channel estimation, thereby improving the reliability of transmitted data demodulation and decoding.
  • the first device may notify the first device by sending indication information.
  • the indication information may be carried in the downlink control information DCI, which may be ⁇ 29-31 ⁇ for the MCS index in the DCI during repeated transmission.
  • the first device when the time domain unit of the first transmission or the time domain unit of the second transmission respectively satisfies the first preset condition or the second preset condition in S710, the first device will notify the second device by sending indication information. How the device chooses the position of the start bit of the first bit sequence. For example, the first device will inform the second device how to select the starting position of the first bit sequence by sending an RRC message.
  • the indication information may also not include information indicating that the position of the start bit of the first bit sequence of the second device and the end bit of the second bit sequence are consecutive in the encoded bit sequence, for example, when When the above conditions are satisfied, the first device will determine how to select the position of the start bit of the first bit sequence according to the calculation result in S710, and here it is determined that the start bit of the first bit sequence is in the encoded bit sequence. The position of the process is consistent with the results and the first device.
  • S740 Determine that the positions of the start bit of the first bit sequence and the end bit of the second bit sequence in the encoded bit sequence are consecutive.
  • the second device determines that the positions of the start bit of the first bit sequence and the end bit of the second bit sequence are continuous in the encoded bit sequence, wherein the position continuity is that the first bit sequence and the end bit are continuous.
  • the second bit sequence is seamlessly connected, and the bit sequence to be sent can be continuously selected from the coded bit sequence in a seamless backward direction.
  • FIG. 8 is a schematic diagram of an example of determining the starting point of the repeated transmission bit sequence according to the present application.
  • the bit sequence to be sent is continuously selected in a seamless backward direction.
  • the second device determines that the position of the start bit of the first bit sequence and the start bit of the second bit sequence are the same in the encoded bit sequence, wherein the RV of the first bit sequence is determined.
  • the numbering is the same as the RV of the second bit sequence.
  • FIG. 9 is a schematic diagram of another example of determining the starting point of the repeated transmission bit sequence according to the present application. As shown in the figure, when the continuous time domain resource used for repeated transmission crosses the time slot boundary, the position of the start bit of the first bit sequence and the start bit of the second bit sequence in the encoded bit sequence is the same.
  • the second device determines that the start position of the first bit sequence may also be any position between the start position and the end position of the second bit sequence.
  • the second device determines that the positions of the start bit of the first bit sequence and the end bit of the second bit sequence in the encoded bit sequence are consecutive.
  • the second device determines that the start bit of the first bit sequence and the start bit of the second bit sequence are in the same position in the encoded bit sequence, wherein the RV number of the first bit sequence is determined. is the same number as the RV of the second bit sequence.
  • the second device determines that the start position of the first bit sequence may also be any position between the start position and the end position of the second bit sequence.
  • the indication information received by the second device may not include an indication that the start bit of the first bit sequence of the second device and the end bit of the second bit sequence are consecutive in the encoded bit sequence.
  • the second device also performs the calculation in S710 initially, and judges whether the time-domain unit of the first transmission or the time-domain unit of the second transmission corresponds to the first preset condition in S710 or the first transmission according to the calculation result. Two preset conditions.
  • the second device When the first preset condition or the second preset condition in S710 is satisfied, the second device will determine, according to the calculation result in S710, that the start bit of the first bit sequence and the end bit of the second bit sequence are in the encoded The positions in the bit sequence are consecutive, and the process of determining the position of the start bit of the first bit sequence in the encoded bit sequence here is consistent with the result and the first device.
  • step S720 may be executed first, and then steps S730 and S740 may be executed; or steps S730 and S740 may be executed first. S740, and then perform step S720; or step S730 may be performed first, and then steps S720 and S740 are performed.
  • this application does not limit this.
  • Repeated transmission may cause discontinuity of time domain resources when crossing time slot boundaries or uplink data/downlink data switching points, resulting in a reduction in the actual number of time domain units available for current repeated transmission, while the time domain resources used for repeated transmission remain the same. If it remains unchanged, the actual code rate will be too high and the decoding accuracy rate of the current repeated transmission will be reduced.
  • the second device re-determines the position of the start bit of the first bit sequence in the encoded bit sequence according to the indication information or a predetermined rule, and at the same time, It is determined that at least one parameter in the first bit sequence is equal to the second bit sequence, and more DMRS time domain units can be used to improve the accuracy of channel estimation and reduce the actual code rate of transmission, even if there is cross-slot boundary or uplink data / In the case of the downlink data switching point, better combining and decoding accuracy can still be guaranteed when repeated transmissions are repeated for many times.
  • FIG. 10 is a schematic flowchart of another example of a method for repeated transmission applicable to the present application. The method includes:
  • the first device is used to represent the network device
  • the second device is used to represent the terminal device
  • first device and the second device may also have other forms.
  • both the first device and the second device may be network devices, or both the first device and the second device may be terminal devices, or the first device and the second device may be terminal devices.
  • the device may be a terminal device, and the second device may be a network device, which is not limited here.
  • S1030 Determine the starting point position of the first bit sequence.
  • the first device determines, according to the calculation result, that the position of the start bit of the first bit sequence and the end bit of the second bit sequence are continuous in the encoded bit sequence, wherein the position continuity is the first bit sequence and the second bit sequence.
  • the sequence is seamlessly connected, and the bit sequence to be sent can be continuously selected from the encoded bit sequence in a seamless backward direction.
  • the first device determines, according to the calculation result, that the start bit of the first bit sequence and the start bit of the second bit sequence are in the same position in the encoded bit sequence, wherein the RV number of the first bit sequence is determined to be the first bit sequence.
  • the RV of the two-bit sequence has the same number.
  • the first device determines according to the calculation result that the start position of the first bit sequence may also be any position between the start position and the end position of the second bit sequence.
  • the first device determines that the positions of the start bit of the first bit sequence and the end bit of the second bit sequence in the encoded bit sequence are consecutive.
  • the first device determines, according to a preset rule, that the position of the start bit of the first bit sequence and the start bit of the second bit sequence are the same in the encoded bit sequence, wherein the RV number of the first bit sequence is determined. is the same number as the RV of the second bit sequence.
  • the first device determines that the starting position of the first bit sequence may also be any position between the starting position and the ending position of the second bit sequence.
  • the first device when the time domain unit of the first transmission or the time domain unit of the second transmission respectively satisfies the first preset condition or the second preset condition in S710, the first device will notify the second device by sending indication information. How the device chooses the position of the start bit of the first bit sequence.
  • the indication information may be carried in the downlink control information DCI, which may be ⁇ 29-31 ⁇ for the MCS index in the DCI during repeated transmission.
  • the first device when the time domain unit of the first transmission or the time domain unit of the second transmission respectively satisfies the first preset condition or the second preset condition in S710, the first device will notify the second device by sending indication information. How the device chooses the position of the start bit of the first bit sequence. For example, the first device will inform the second device how to select the starting position of the first bit sequence by sending an RRC message.
  • the indication information may also not include information indicating that the position of the start bit of the first bit sequence of the second device and the end bit of the second bit sequence are consecutive in the encoded bit sequence, for example, when When the time domain unit of the first transmission or the time domain unit of the second transmission respectively satisfies the first preset condition or the second preset condition in S710, the first device will determine how to select the first bit according to the calculation result in S710 The position of the start bit of the sequence, and the process of determining the position of the start bit of the first bit sequence in the encoded bit sequence here is consistent with the result and the first device.
  • Repeated transmission may cause discontinuity of time domain resources when crossing time slot boundaries or uplink data/downlink data switching points, resulting in a reduction in the actual number of time domain units available for current repeated transmission, while the time domain resources used for repeated transmission remain the same. If it remains unchanged, the actual code rate will be too high and the decoding accuracy rate of the current repeated transmission will be reduced.
  • the first device re-determines the position of the start bit of the first bit sequence in the encoded bit sequence according to the calculation result or a predetermined rule, and at the same time, determines the difference between the first bit sequence and the second bit sequence.
  • At least one transmission parameter in the bit sequence is equal, and more DMRS time domain units can be used to improve the accuracy of channel estimation and reduce the actual code rate of transmission, even if there is a cross-slot boundary or uplink data/downlink data switching point , the accuracy of combined decoding can still be guaranteed when repeated transmissions are repeated for many times.
  • FIG. 11 is a schematic diagram of channel coding after synthesizing multiple blocks to be transmitted into a larger transmission block and repeating transmission in multiple time-domain units according to the present application.
  • the time domain unit is a time slot
  • four second blocks to be encoded in four time slots are synthesized into a first block to be encoded, wherein the bit sizes of the four second blocks to be encoded are 320 bits, at this time, the bit size of the first block to be coded is 1280 bits
  • LDPC channel coding and rate matching are performed on the first block to be coded, that is, unified LDPC channel coding and rate matching are performed on the four second blocks to be coded.
  • Rate matching thereby obtaining better channel coding gain, and then performing bit selection and transmission from the bit sequence obtained after the LDPC coding and rate matching within 4 time slots.
  • the first block to be encoded with a bit size of 1280 bits will be encoded into 3840 bits.
  • the 3840-bit second to-be-coded block will be LDPC-coded and rate-matched bit sequences according to the repeated transmission of RV0, RV2, RV3, RV1 and the 1280-bit blocks to be encoded are selected according to the code rate of 1/3 and transmitted in a separate time slot respectively.
  • FIG. 12 shows a schematic flowchart of another example of a method for repeatedly transmitting data to which the present application is applied.
  • the method includes:
  • the first device is used to represent the network device
  • the second device is used to represent the terminal device
  • first device and the second device may also have other forms.
  • both the first device and the second device may be network devices, or both the first device and the second device may be terminal devices, or the first device and the second device may be terminal devices.
  • the device may be a terminal device, and the second device may be a network device, which is not limited here.
  • the block to be encoded for repeated transmission is configured by the first device, wherein the first device may determine in the preset process that the block to be encoded is in the second block to be encoded. Whether the minimum number of bits of the block to be encoded satisfies the first preset condition, and each block to be encoded in the second block to be encoded is a block to be encoded transmitted by one time domain unit of repeated transmission.
  • the first device when the first device knows the minimum number of bits of the to-be-coded block in the second to-be-coded block, it will perform a conditional judgment: that is: whether the minimum number of bits of the to-be-coded block in the second to-be-coded block is less than or equal to the first preset threshold.
  • the size of the minimum number of bits of the block to be encoded in the second block to be encoded is 2 bits, and it is assumed that the first preset threshold is 4, that is, 2 ⁇ 4. At this time, the size of the minimum number of bits of the to-be-coded block in the second to-be-coded block is smaller than the first preset threshold.
  • the first device knows the minimum number of bits of the blocks to be encoded in the second block to be encoded, it will make a conditional judgment: that is: the number of bits of at least two blocks to be encoded in the second blocks to be encoded The sum of the number of bits is less than or equal to the second preset threshold.
  • the sum of the number of bits of two to-be-coded blocks in the second to-be-coded block is 3 bits, and assuming that the second preset threshold is 5, that is, 3 ⁇ 5, at this time, at least two of the second to-be-coded blocks
  • the sum of the number of bits of the second blocks to be encoded is less than the second preset threshold.
  • the first device when the first device knows through calculation that the size of the minimum number of bits of the block to be encoded in the second block to be encoded is smaller than the third preset threshold, the first device will send the first indication information to notify the first device.
  • the second device determines that the first block to be encoded includes at least two second blocks to be encoded.
  • the first indication information may be carried in the DCI, and may be the MCS index in the DCI with a value of ⁇ 29-31 ⁇ during repeated transmission, or a new 1-bit field in the DCI, RetransRVstart, with a value of 1.
  • the first device when the first device knows through calculation that the size of the minimum number of bits of the block to be encoded in the second block to be encoded is smaller than the third preset threshold, the first device will notify the second device through the sent indication information.
  • the apparatus determines that the first block to be encoded includes at least two second blocks to be encoded. For example, the first device will notify the second device that the first block to be encoded includes at least two second blocks to be encoded by sending an RRC message.
  • the second device determines that the first block to be encoded includes at least two second blocks to be encoded.
  • the four second blocks to be encoded in the four time slots that are repeatedly transmitted at one time are determined as a first block to be encoded, wherein the size of the bits of the four blocks to be encoded are all 360 bits, and the first block to be encoded is 360 bits.
  • the second device obtains a sequence sent in multiple time units by performing LDPC encoding and rate matching on the first block to be encoded.
  • the first device configures basic parameters such as the starting point and the length of the bit sequence transmitted by the time domain unit of one repeated transmission configured by the first device.
  • Repeated transmission includes the first transmission and the second transmission, the first transmission and the second transmission carry the same transmission block, and the second transmission is the previous transmission of the first transmission, for example, when in a time slot, the transmission spans the uplink data.
  • the switching point with the downlink data will cause the first transmission and the second transmission to be discontinuous within one time slot. Therefore, the first device may calculate in the preset process whether a transmission occupies at least two time slots or is discontinuous in one time slot.
  • the first device will determine, according to a preset rule, that the position of the start bit of the first bit sequence and the end bit of the second bit sequence are consecutive in the encoded bit sequence, and the first bit sequence is the first transmitted bit sequence.
  • Bit sequence, the second bit sequence is the bit sequence of the second transmission, wherein the first transmission and the second transmission carry the same transmission block, the second transmission is the previous transmission of the first transmission, and the position is consecutive for the first bit sequence and the second transmission.
  • the second bit sequence is seamlessly connected, and the bit sequence to be sent can be continuously selected from the coded bit sequence in a seamless backward direction.
  • the first device will perform a condition judgment, that is, whether the time domain unit of the first transmission satisfies the second preset condition, or whether the time domain unit of the second transmission satisfies the third condition. preset conditions.
  • the second preset condition may include whether the actual transmission code rate of the first bit sequence of the first transmission is greater than or equal to the first preset threshold, and the actual transmission code rate of the first bit sequence of the first transmission is configured.
  • the product of the initial code rate of the bit sequence transmitted by the time domain unit used for repeated transmission and the first ratio, the initial code rate is the configured code rate of one repeated transmission, and the first ratio is the configured one repeated transmission.
  • the number of time-domain units in one repeated transmission is 4, the initial code rate of the first bit sequence in the first transmission is 0.6, and the number of time-domain units in the first transmission is 10, assuming that the fourth preset The threshold is 1.
  • the number of time-domain units of the first transmission is 12, and the number of time-domain units of one repeated transmission of this configuration is 14.
  • the first device will perform a condition judgment, that is, whether the number of time-domain units of the second transmission satisfies the fourth preset condition.
  • the actual code rate of the second bit sequence of the second transmission is greater than or equal to the sixth preset threshold, and the actual code rate of the second bit sequence of the second transmission satisfies the initial code of the second bit sequence of the second transmission.
  • the product of the rate and the ratio, the ratio being the ratio of the number of time-domain units of the one repeated transmission to the number of time-domain units of the second transmission.
  • the number of time-domain units of the one-time repeated transmission is 14, the initial code rate of the second bit sequence of the second transmission is 0.6, the number of time-domain units of the second transmission is 4, and it is assumed that the sixth preset threshold is 1.
  • the actual code rate of the second bit sequence of the second transmission is greater than the sixth preset threshold; when the DMRS both occupy a time domain unit of the first transmission and a time domain unit of the second transmission, the second transmission
  • the actual code rate of the second bit sequence of the second transmission is greater than the sixth preset threshold.
  • the number of time-domain units of the second transmission is 2, and the number of time-domain units of the one-time repeated transmission is 14.
  • the third threshold is 1/2
  • the number of time-domain units of the second transmission is 4, and the number of time-domain units of the first transmission is 10.
  • the eighth preset threshold is 1/2, when the time-domain units of the first transmission are different from those of the second transmission
  • the ratio of the number to the number of time-domain units of the first transmission is less than the eighth preset threshold.
  • the values of the first preset threshold to the eighth preset threshold may be predetermined, such as defined by a protocol, or configured by a network device; or, may also be an empirical value determined according to historical communication conditions, This application is not limited here.
  • the first device when the time-domain unit of the first transmission or the time-domain unit of the second transmission respectively satisfies the first preset condition or the second preset condition in S710, the first device will notify by sending the second indication information.
  • the position of the start bit of the first bit sequence of the second device and the end bit of the second bit sequence are consecutive in the encoded bit sequence.
  • the second indication information may be carried in the downlink control information DCI, which may be repeated transmission.
  • the value of the MCS index in the DCI is ⁇ 28-31 ⁇ .
  • the first device when the first device determines that the time domain unit used for repeated transmission exists across time slots or is discontinuous within a time slot, the first device will send the second indication information to inform the second device.
  • the positions of the start bit of the first bit sequence of the device and the end bit of the second bit sequence in the encoded bit sequence are consecutive.
  • the first device will inform the second device how to select the starting position of the first bit sequence by sending an RRC message.
  • S1270 Determine that the positions of the start bit of the first bit sequence and the end bit of the second bit sequence in the encoded bit sequence are consecutive.
  • the second device determines that the position of the start bit of the first bit sequence and the end bit of the second bit sequence are consecutive in the encoded bit sequence, wherein the position continuity is the first bit sequence.
  • the bit sequence is seamlessly connected with the second bit sequence, and the bit sequence to be sent can be selected seamlessly backward from the encoded bit sequence.
  • the second device determines that the positions of the start bit of the second bit sequence and the end bit of the second bit sequence in the encoded bit sequence are consecutive.
  • the second device After receiving the second indication information, the second device determines, according to the second indication information, that the positions of the start bit of the first bit sequence and the end bit of the second bit sequence are consecutive in the encoded bit sequence, so that there is no cross-slot or Practical effect of repeated transmissions in the case of discontinuities within a time slot.
  • the first device receives the sequence sent in multiple time units in S1240, and needs to receive all the bit sequences of 4 time slots, and then performs channel decoding corresponding to the bit sequence. with demodulation.
  • the second to-be-coded block that is not assigned a time slot is all coded by a separate LDPC channel, when the bit size of the second to-be-coded block is too small, the gain of channel coding will be small.
  • the channel coding gain can be enhanced and the transmission capability can be improved.
  • FIG. 13 shows a schematic flowchart of another example of a method for repeatedly transmitting data to which the present application is applied.
  • the method includes:
  • the first device is used to represent the network device
  • the second device is used to represent the terminal device
  • first device and the second device may also have other forms.
  • both the first device and the second device may be network devices, or both the first device and the second device may be terminal devices, or the first device and the second device may be terminal devices.
  • the device may be a terminal device, and the second device may be a network device, which is not limited here.
  • the block to be encoded for repeated transmission is configured by the first device, wherein the first device may determine in the preset process the block to be encoded in the second block to be encoded. Whether the minimum number of bits of the block to be coded satisfies the first preset condition, and each block to be coded in the second block to be coded is a block to be coded for transmission in a time slot unit for repeated transmission.
  • the first device when the first device knows through calculation that the size of the minimum number of bits of the block to be encoded in the second block to be encoded is smaller than the third preset threshold, the first device will send the first indication information to notify the first device.
  • Second device The first device determines that the first block to be encoded includes at least two second blocks to be encoded.
  • the second device determines that the first block to be encoded includes at least two second blocks to be encoded.
  • the specific form of the first block to be encoded includes at least two second blocks to be encoded, reference may be made to the description of S1230 in the method 1200, and for brevity, details are not repeated here.
  • S1340 Perform channel coding and rate matching on the first block to be coded.
  • the first device obtains a sequence sent in multiple time units by performing LDPC encoding and rate matching on the first block to be encoded.
  • the first device will determine, according to a preset rule or a second preset condition, that the positions of the start bit of the first bit sequence and the end bit of the second bit sequence in the encoded bit sequence are consecutive.
  • S1360 Determine that the positions of the start bit of the first bit sequence and the end bit of the second bit sequence in the encoded bit sequence are consecutive.
  • the first device determines that the positions of the start bit of the first bit sequence and the end bit of the second bit sequence in the encoded bit sequence are consecutive.
  • the first device when the number of time-domain units of the first transmission and/or the number of time-domain units of the second transmission satisfy the second preset condition in S1250, the first device will notify the first device by sending the second indication information.
  • the positions of the start bit of the first bit sequence and the end bit of the second bit sequence in the encoded bit sequence of the second device are consecutive.
  • the second device when the second device receives the sequence sent in multiple time units in S1340, it needs to receive all the bit sequences of 4 time slots, and then performs channel decoding and demodulation corresponding to the bit sequence.
  • FIG. 14 is a schematic flow chart of another example of a method for repeated transmission applicable to the present application. The method includes:
  • the first device is used to represent the network device
  • the second device is used to represent the terminal device
  • first device and the second device may also have other forms.
  • both the first device and the second device may be network devices, or both the first device and the second device may be terminal devices, or the first device and the second device may be terminal devices.
  • the device may be a terminal device, and the second device may be a network device, which is not limited here.
  • the first device in the process of initially configuring the time domain resources by the first device, basic parameters such as the starting point and the length of the bit sequence transmitted by the time slot unit of the configured one-time repeated transmission are configured by the first device.
  • the transmission includes a first transmission and a second transmission, the first transmission and the second transmission carry the same transmission block, and the second transmission is the transmission before the first transmission. neighbor, and precedes the first transmission in time. For example, when the transmission crosses the switching point between the uplink data and the downlink data in one time slot, the first transmission and the second transmission are discontinuous in one time slot. Therefore, the first device can calculate in the preset process whether the transmission occupies at least two time slots or is discontinuous in one time slot.
  • the first device will make a condition judgment, that is, whether the time domain unit of the first transmission satisfies the first preset condition, or whether the time domain unit of the second transmission satisfies the second preset condition condition.
  • a condition judgment that is, whether the time domain unit of the first transmission satisfies the first preset condition, or whether the time domain unit of the second transmission satisfies the second preset condition condition.
  • both the first device and the second device will determine that at least one parameter in the first bit sequence and the second bit sequence is equal, wherein the parameters include: power, precoding, and antenna port.
  • first transmission and the second transmission occupy different time slots or are discontinuous in one time slot
  • data transmission will be performed in the form of two independent repeated transmissions.
  • the related parameter configurations of the first transmission and the second transmission are independent of each other, and the receiving end performs independent channel estimation on the data transmitted twice, and then demodulates and decodes the data for the two transmissions respectively.
  • the receiving end performs channel estimation on the data transmitted each time, fewer DMRS sequences are used, resulting in inaccurate channel estimation.
  • joint channel estimation can be performed uniformly after the two bit sequences are received, so as to improve the accuracy of channel estimation, thereby improving twice The accuracy of demodulation and decoding of transmitted data. Because, in the actual implementation process, because the two data transmissions are independent and the parameters are inconsistent, the joint channel estimation will still fail. For example, when the power of the second transmission changes greatly, a random phase relative to the first transmission may be generated during the second transmission. This random phase is coupled in the estimated channel, because it cannot be eliminated.
  • the transmitting antenna port is not the same port, the channel estimated by DMRS will also be inconsistent; in addition, in data transmission, the precoding parameters of the two transmissions should also be the same, which is helpful for the receiving end Do joint channel estimation.
  • the second device may perform multiple uplink repeated transmissions.
  • the first device will perform joint channel estimation corresponding to the bit sequences after receiving both the bit sequences that are repeatedly transmitted to complete the operations of data demodulation and decoding.
  • Repeated transmission may cause discontinuity of time domain resources when crossing the time slot boundary or the switching point of uplink data/downlink data, resulting in that one repeated transmission is divided into two independent repeated transmissions. Since the parameters of the two independent repeated transmissions are independent, it will result in independent channel estimation for the two repeated transmissions. Because fewer DMRSs are used in each channel estimation, the accuracy of the channel estimation will be reduced. Therefore, through the implementation of method 1400, channel estimation can be performed together based on all the DMRS time-domain units of the two repeated transmissions. More DMRS time domain units are used to improve the accuracy of channel estimation, thereby improving the reliability of transmitted data demodulation and decoding.
  • FIG. 15 is a schematic flowchart of another example of a method for repeated transmission applicable to the present application. The method includes:
  • the first device is used to represent the network device
  • the second device is used to represent the terminal device
  • first device and the second device may also have other forms.
  • both the first device and the second device may be network devices, or both the first device and the second device may be terminal devices, or the first device and the second device may be terminal devices.
  • the device may be a terminal device, and the second device may be a network device, which is not limited here.
  • the first device will perform a preset condition judgment, and the specific judgment process can refer to step S710, which is not repeated here for brevity.
  • both the first device and the second device will determine that at least one parameter in the first bit sequence and the second bit sequence is equal, where the parameter includes: power, precoding, and antenna port.
  • the first transmission and the second transmission occupy different time slots or are discontinuous in one time slot, data transmission will be performed in the form of two independent repeated transmissions.
  • the related parameter configurations of the first transmission and the second transmission are independent of each other, and the receiving end performs independent channel estimation on the data transmitted twice, and then demodulates and decodes the data for the two transmissions respectively.
  • the receiving end since the data is divided into two independent transmissions, when the receiving end performs channel estimation on the data transmitted each time, fewer DMRS sequences are used, resulting in inaccurate channel estimation.
  • joint channel estimation can be performed uniformly after the two bit sequences are received, so as to improve the accuracy of channel estimation, thereby improving twice The accuracy of demodulation and decoding of transmitted data. Because, in the actual implementation process, because the two data transmissions are independent and the parameters are inconsistent, the joint channel estimation will still fail. For example, when the power of the second transmission changes greatly, a random phase relative to the first transmission may be generated during the second transmission. This random phase is coupled in the estimated channel, since it cannot be eliminated.
  • the transmitting antenna port is not the same port, the channel estimated by DMRS will also be inconsistent; in addition, in data transmission, the precoding parameters of the two transmissions should also be the same, which is helpful for the receiving end Do joint channel estimation.
  • the first device may perform multiple downlink repeated transmissions.
  • the second device will perform joint channel estimation corresponding to the bit sequences after receiving both the bit sequences that are repeatedly transmitted to complete the data demodulation and decoding operations.
  • channel estimation can be performed together based on all DMRS time-domain units of the two repeated transmissions, compared to using the current repeated transmission in each repeated transmission.
  • the DMRS time domain unit performs channel estimation, and more DMRS time domain units can be used to improve the accuracy of channel estimation, thereby improving the reliability of transmitted data demodulation and decoding.
  • each network element such as a transmitter device or a receiver device
  • each network element includes hardware structures and/or software modules corresponding to performing each function in order to implement the above functions.
  • Those skilled in the art should realize that the present application can be implemented in hardware or a combination of hardware and computer software with the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein. Whether a function is performed by hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Skilled artisans may implement the described functionality using different methods for each particular application, but such implementations should not be considered beyond the scope of this application.
  • the transmitting-end device or the receiving-end device may be divided into functional modules according to the foregoing method examples.
  • each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing module. middle.
  • the above-mentioned integrated modules can be implemented in the form of hardware, or can be implemented in the form of software function modules.
  • the division of modules in the embodiments of the present application is schematic, and is only a logical function division, and there may be other division manners in actual implementation. The following description will be given by using the division of each function module corresponding to each function as an example.
  • FIG. 16 is a schematic block diagram of a communication apparatus provided by an embodiment of the present application.
  • the communication device 1600 includes a transceiver unit 1610 and a processing unit 1620 .
  • the transceiver unit 1610 can implement corresponding communication functions, and the processing unit 1610 is used for data processing.
  • Transceiver unit 1610 may also be referred to as a communication interface or a communication unit.
  • the communication apparatus 1600 may further include a storage unit, which may be used to store instructions and/or data, and the processing unit 1620 may read the instructions and/or data in the storage unit, so that the communication apparatus implements the foregoing method Example.
  • a storage unit which may be used to store instructions and/or data
  • the processing unit 1620 may read the instructions and/or data in the storage unit, so that the communication apparatus implements the foregoing method Example.
  • the communication apparatus 1600 can be used to perform the actions performed by the terminal device in the above method embodiments.
  • the communication apparatus 1600 can be a terminal device or a component that can be configured in the terminal device, and the transceiver unit 1610 is used to perform the above method.
  • the processing unit 1620 is configured to perform the operations related to the processing on the terminal device side in the above method embodiments.
  • the communication apparatus 1600 is used to perform the actions performed by the terminal device in the embodiment shown in FIG. 7 above, the transceiver unit 1610 is used for: S730, S740; the processing unit 1620 is used for: S720, S740.
  • the communication apparatus 1600 is used to perform the actions performed by the terminal device in the embodiment shown in FIG. 10 above, the transceiver unit 1610 is used for: S1040, S1050; the processing unit 1620 is used for: S1020.
  • the communication apparatus 1600 is used to perform the actions performed by the terminal device in the embodiment shown in FIG. 12 above, the transceiver unit 1610 is used for: S1220, S1260, and S1280; the processing unit 1620 is used for: S1230, S1240 , S1270.
  • the communication apparatus 1600 is used to perform the actions performed by the terminal device in the embodiment shown in FIG. 13 above, and the transceiver unit 1610 is used for: S1330, S1370, and S1380.
  • the communication apparatus 1600 is configured to perform the actions performed by the terminal device in the embodiment shown in FIG. 14 above, the transceiver unit 1610 is used for: S1430; the processing unit 1620 is used for: S1420.
  • the communication apparatus 1600 is configured to perform the actions performed by the terminal device in the embodiment shown in FIG. 15 above, the transceiver unit 1610 is used for: S1530; the processing unit 1620 is used for: S1520.
  • the communication apparatus 1600 may be used to perform the actions performed by the network equipment in the above method embodiments.
  • the communication apparatus 1600 may be a network equipment or a component configurable in the network equipment, and the transceiver unit 1610 is used to perform the above-mentioned actions.
  • the processing unit 1620 is configured to perform the operations related to the processing on the network device side in the above method embodiments.
  • the communication apparatus 1600 is configured to perform the actions performed by the network device in the above embodiment shown in FIG. 7 , the transceiver unit 1610 is used for: S730, S750; the processing unit 1620 is used for: S710, S720.
  • the communication apparatus 1600 is used for performing the actions performed by the network device in the embodiment shown in FIG. 10 above, the transceiver unit 1610 is used for: S1040, S1050; the processing unit 1620 is used for: S1010, S1020, S1030.
  • the communication apparatus 1600 is used for performing the actions performed by the network device in the embodiment shown in FIG. 12 above, the transceiver unit 1610 is used for: S1220, S1260, and S1280; the processing unit 1620 is used for: S1210, S1250.
  • the communication apparatus 1600 is configured to perform the actions performed by the network device in the embodiment shown in FIG. 13 above, the transceiver unit 1610 is used for: S1320, S1370, and S1380; the processing unit 1620 is used for: S1310, S1330 , S1340, S1350, S1360.
  • the communication apparatus 1600 is configured to perform the actions performed by the network device in the embodiment shown in FIG. 14 above.
  • the transceiver unit 1610 is used for: S1430; the processing unit 1620 is used for: S1410, S1420.
  • the communication apparatus 1600 is configured to perform the actions performed by the network device in the embodiment shown in FIG. 15 above.
  • the transceiver unit 1610 is used for: S1530; the processing unit 1620 is used for: S1510, S1520.
  • the processing unit 1620 in the above embodiments may be implemented by at least one processor or processor-related circuits.
  • the transceiver unit 1610 may be implemented by a transceiver or a transceiver-related circuit.
  • Transceiver unit 1610 may also be referred to as a communication unit or a communication interface.
  • the storage unit may be implemented by at least one memory.
  • an embodiment of the present application further provides a communication apparatus 1700 .
  • the communication device 1700 includes a processor 1710 coupled with a memory 1720 for storing computer programs or instructions and/or data, and the processor 1710 for executing the computer programs or instructions and/or data stored in the memory 1720, The methods in the above method embodiments are caused to be executed.
  • the communication apparatus 1700 includes one or more processors 1710 .
  • the communication apparatus 1700 may further include a memory 1720 .
  • the communication device 1700 may include one or more memories 1720 .
  • the memory 1720 may be integrated with the processor 1710, or provided separately.
  • the communication apparatus 1700 may further include a transceiver 1730, and the transceiver 1730 is used for signal reception and/or transmission.
  • the processor 1710 is used to control the transceiver 1730 to receive and/or transmit signals.
  • the communication apparatus 1700 is configured to implement the operations performed by the terminal device in the above method embodiments.
  • the processor 1710 is configured to implement the processing-related operations performed by the terminal device in the above method embodiments
  • the transceiver 1730 is configured to implement the transceiving-related operations performed by the terminal device in the above method embodiments.
  • the communication apparatus 1700 is configured to implement the operations performed by the network device in the above method embodiments.
  • the processor 1710 is configured to implement the processing-related operations performed by the network device in the above method embodiments
  • the transceiver 1730 is configured to implement the transceiving-related operations performed by the network device in the above method embodiments.
  • This embodiment of the present application further provides a communication apparatus 1800, where the communication apparatus 1800 may be a terminal device or a chip.
  • the communication apparatus 1800 may be used to perform the operations performed by the terminal device in the foregoing method embodiments.
  • FIG. 18 shows a schematic structural diagram of a simplified terminal device.
  • the terminal device includes a processor, a memory, a radio frequency circuit, an antenna, and an input and output device.
  • the processor is mainly used to process communication protocols and communication data, control terminal equipment, execute software programs, and process data of software programs.
  • the memory is mainly used to store software programs and data.
  • the radio frequency circuit is mainly used for the conversion of the baseband signal and the radio frequency signal and the processing of the radio frequency signal.
  • Antennas are mainly used to send and receive radio frequency signals in the form of electromagnetic waves.
  • Input and output devices such as touch screens, display screens, and keyboards, are mainly used to receive data input by users and output data to users. It should be noted that some types of terminal equipment may not have input and output devices.
  • the processor When data needs to be sent, the processor performs baseband processing on the data to be sent, and outputs the baseband signal to the radio frequency circuit.
  • the radio frequency circuit performs radio frequency processing on the baseband signal and sends the radio frequency signal through the antenna in the form of electromagnetic waves.
  • the radio frequency circuit receives the radio frequency signal through the antenna, converts the radio frequency signal into a baseband signal, and outputs the baseband signal to the processor, which converts the baseband signal into data and processes the data.
  • the memory may also be referred to as a storage medium or a storage device or the like.
  • the memory may be set independently of the processor, or may be integrated with the processor, which is not limited in this embodiment of the present application.
  • the antenna and the radio frequency circuit with a transceiver function may be regarded as a transceiver unit of the terminal device, and the processor with a processing function may be regarded as a processing unit of the terminal device.
  • the terminal device includes a transceiver unit 1810 and a processing unit 1820 .
  • the transceiving unit 1810 may also be referred to as a transceiver, a transceiver, a transceiving device, and the like.
  • the processing unit 1820 may also be referred to as a processor, a processing board, a processing module, a processing device, and the like.
  • the device for implementing the receiving function in the transceiver unit 1810 may be regarded as a receiving unit, and the device for implementing the transmitting function in the transceiver unit 1810 may be regarded as a transmitting unit, that is, the transceiver unit 1810 includes a receiving unit and a transmitting unit.
  • the transceiver unit may also sometimes be referred to as a transceiver, a transceiver, or a transceiver circuit.
  • the receiving unit may also sometimes be referred to as a receiver, receiver, or receiving circuit, or the like.
  • the transmitting unit may also sometimes be referred to as a transmitter, a transmitter, or a transmitting circuit, or the like.
  • the processing unit 1820 is configured to perform the processing actions on the terminal device side in FIG. 7 .
  • the processing unit 1820 is configured to perform the processing steps in steps S720 and S740 in FIG. 7 ; the transceiving unit 1810 is configured to perform the transceiving operations in steps S730 and S750 in FIG. 7 .
  • the processing unit 1820 is configured to perform the processing actions on the terminal device side in FIG. 10 .
  • the processing unit 1820 is configured to perform the processing steps in step S1020 in FIG. 10 ;
  • the transceiving unit 1810 is configured to perform the transceiving operations in steps S1040 and S1040 in FIG. 10 .
  • the processing unit 1820 is configured to perform the processing actions on the terminal device side in FIG. 12 .
  • the processing unit 1820 is configured to perform the processing steps in steps S1230, S1240 and S1270 in FIG. 12 ;
  • the transceiver unit 1810 is configured to perform the transceiving operations in steps S1220 and S1260 in FIG. 12 .
  • the processing unit 1820 is configured to perform the processing actions on the terminal device side in FIG. 13 .
  • the transceiving unit 1810 is configured to perform the transceiving operations in steps S1320 , S1370 , and S1380 in FIG. 13 .
  • the processing unit 1820 is configured to perform the processing actions on the terminal device side in FIG. 14 .
  • the transceiving unit 1810 is configured to perform the transceiving operation in step S1430 in FIG. 14 .
  • the processing unit 1820 is configured to perform the processing actions on the terminal device side in FIG. 15 .
  • the transceiving unit 1810 is configured to perform the transceiving operation in step S1530 in FIG. 15 .
  • FIG. 18 is only an example and not a limitation, and the above-mentioned terminal device including a transceiver unit and a processing unit may not depend on the structure shown in FIG. 18 .
  • the chip When the communication device 1800 is a chip, the chip includes a transceiver unit and a processing unit.
  • the transceiver unit may be an input/output circuit or a communication interface;
  • the processing unit may be a processor, a microprocessor or an integrated circuit integrated on the chip.
  • This embodiment of the present application further provides a communication apparatus 1900, where the communication apparatus 1900 may be a network device or a chip.
  • the communication apparatus 1900 may be used to perform the operations performed by the network device in the foregoing method embodiments.
  • FIG. 19 shows a simplified schematic diagram of a base station architecture.
  • the base station includes a 1910 part and a 1920 part.
  • the 1910 part is mainly used for transmitting and receiving radio frequency signals and the conversion of radio frequency signals and baseband signals; the 1920 part is mainly used for baseband processing and controlling the base station.
  • the 1910 part can generally be referred to as a transceiver unit, a transceiver, a transceiver circuit, or a transceiver.
  • the 1920 part is usually the control center of the base station, which can usually be called a processing unit, and is used to control the base station to perform the processing operations on the network device side in the foregoing method embodiments.
  • the transceiver unit of the 1910 part which may also be called a transceiver or a transceiver, etc., includes an antenna and a radio frequency circuit, wherein the radio frequency circuit is mainly used for radio frequency processing.
  • the device used for implementing the receiving function in part 1910 may be regarded as a receiving unit
  • the device used for implementing the sending function may be regarded as a sending unit, that is, part 1910 includes a receiving unit and a sending unit.
  • the receiving unit may also be referred to as a receiver, a receiver, or a receiving circuit, and the like
  • the transmitting unit may be referred to as a transmitter, a transmitter, or a transmitting circuit, and the like.
  • the 1920 portion may include one or more single boards, each of which may include one or more processors and one or more memories.
  • the processor is used to read and execute the program in the memory to realize the baseband processing function and control the base station. If there are multiple boards, each board can be interconnected to enhance the processing capability.
  • one or more processors may be shared by multiple boards, or one or more memories may be shared by multiple boards, or one or more processors may be shared by multiple boards at the same time. device.
  • the transceiving unit in part 1910 is used to perform the steps related to transceiving performed by the network device in the embodiment shown in FIG. 7 ; the part 1920 is used for performing the steps performed by the network device in the embodiment shown in FIG. 7 . processing related steps.
  • the transceiving unit in part 1910 is used to perform the steps related to transceiving performed by the network device in the embodiment shown in FIG. 10 ; the part 1920 is used for executing the steps in the embodiment shown in FIG. The processing-related steps performed.
  • the transceiving unit in part 1910 is used to perform the steps related to transceiving performed by the network device in the embodiment shown in FIG. 12 ; the part 1920 is used for executing the steps in the embodiment shown in FIG. The processing-related steps performed.
  • the transceiving unit in part 1910 is used to perform the steps related to transceiving performed by the network device in the embodiment shown in FIG. 13 ; the part 1920 is used for performing the steps in the embodiment shown in FIG. The processing-related steps performed.
  • the transceiving unit in part 1910 is used to perform the steps related to transceiving performed by the network device in the embodiment shown in FIG. 14 ; the part 1920 is used for performing the steps in the embodiment shown in FIG. The processing-related steps performed.
  • the transceiving unit in part 1910 is used to perform the steps related to transceiving performed by the network device in the embodiment shown in FIG. 15 ; the part 1920 is used for performing the steps in the embodiment shown in FIG. The processing-related steps performed.
  • FIG. 19 is only an example and not a limitation, and the above-mentioned network device including a transceiver unit and a processing unit may not depend on the structure shown in FIG. 19 .
  • the chip When the communication device 1900 is a chip, the chip includes a transceiver unit and a processing unit.
  • the transceiver unit may be an input/output circuit or a communication interface;
  • the processing unit may be a processor, a microprocessor or an integrated circuit integrated on the chip.
  • Embodiments of the present application further provide a computer-readable storage medium, on which computer instructions for implementing the method executed by the terminal device or the method executed by the network device in the foregoing method embodiments are stored.
  • the computer when the computer program is executed by a computer, the computer can implement the method executed by the terminal device or the method executed by the network device in the above method embodiments.
  • Embodiments of the present application further provide a computer program product including instructions, which, when executed by a computer, cause the computer to implement the method executed by the terminal device or the method executed by the network device in the above method embodiments.
  • An embodiment of the present application further provides a communication system, where the communication system includes the network device and the terminal device in the above embodiments.
  • the terminal device or the network device may include a hardware layer, an operating system layer running on the hardware layer, and an application layer running on the operating system layer.
  • the hardware layer may include hardware such as a central processing unit (CPU), a memory management unit (MMU), and memory (also called main memory).
  • the operating system of the operating system layer may be any one or more computer operating systems that implement business processing through processes, such as a Linux operating system, a Unix operating system, an Android operating system, an iOS operating system, or a Windows operating system.
  • the application layer may include applications such as browsers, address books, word processing software, and instant messaging software.
  • the embodiments of the present application do not specifically limit the specific structure of the execution body of the methods provided by the embodiments of the present application, as long as the program that records the codes of the methods provided by the embodiments of the present application can be executed to execute the methods provided by the embodiments of the present application.
  • the execution body of the method provided by the embodiment of the present application may be a terminal device or a network device, or a functional module in the terminal device or network device that can call a program and execute the program.
  • aspects or features of the present application may be implemented as methods, apparatus, or articles of manufacture using standard programming and/or engineering techniques.
  • article of manufacture as used herein may encompass a computer program accessible from any computer-readable device, carrier or media.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer, or a data storage device such as a server, data center, etc., which includes one or more available mediums integrated.
  • Useful media may include, but are not limited to, magnetic media or magnetic storage devices (eg, floppy disks, hard disks (eg, removable hard disks), magnetic tapes), optical media (eg, optical disks, compact discs) , CD), digital versatile disc (digital versatile disc, DVD), etc.), smart cards and flash memory devices (for example, erasable programmable read-only memory (EPROM), card, stick or key drive, etc. ), or semiconductor media (such as solid state disk (SSD), etc., U disk, read-only memory (ROM), random access memory (RAM), etc. that can store programs medium of code.
  • SSD solid state disk
  • Various storage media described herein may represent one or more devices and/or other machine-readable media for storing information.
  • the term "machine-readable medium” may include, but is not limited to, wireless channels and various other media capable of storing, containing, and/or carrying instructions and/or data.
  • processors mentioned in the embodiments of the present application may be a central processing unit (central processing unit, CPU), and may also be other general-purpose processors, digital signal processors (digital signal processors, DSP), application-specific integrated circuits ( application specific integrated circuit, ASIC), off-the-shelf programmable gate array (field programmable gate array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc.
  • a general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the memory mentioned in the embodiments of the present application may be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically programmable Erase programmable read-only memory (electrically EPROM, EEPROM) or flash memory.
  • Volatile memory may be random access memory (RAM).
  • RAM can be used as an external cache.
  • RAM may include the following forms: static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (SDRAM) , double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous link dynamic random access memory (synchlink DRAM, SLDRAM) and Direct memory bus random access memory (direct rambus RAM, DR RAM).
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • SDRAM synchronous dynamic random access memory
  • SDRAM double data rate synchronous dynamic random access memory
  • ESDRAM enhanced synchronous dynamic random access memory
  • SLDRAM synchronous link dynamic random access memory
  • Direct memory bus random access memory direct rambus RAM, DR RAM
  • the processor is a general-purpose processor, DSP, ASIC, FPGA or other programmable logic devices, discrete gate or transistor logic devices, or discrete hardware components
  • the memory storage module
  • memory described herein is intended to include, but not be limited to, these and any other suitable types of memory.
  • the disclosed apparatus and method may be implemented in other manners.
  • the apparatus embodiments described above are only illustrative.
  • the division of the above-mentioned units is only a logical function division.
  • multiple units or components may be combined or may be Integration into another system, or some features can be ignored, or not implemented.
  • the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, which may be in electrical, mechanical or other forms.
  • the units described above as separate components may or may not be physically separated, and components shown 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 implement the solution provided in this application.
  • each functional unit in each embodiment of the present application may be integrated into one unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
  • the computer program product includes one or more computer instructions.
  • the computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
  • the computer may be a personal computer, a server, or a network device or the like.
  • Computer instructions may be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from a website site, computer, server, or data center over a wire (e.g.
  • coaxial cable fiber optic, digital subscriber line (DSL)) or wireless (eg, infrared, wireless, microwave, etc.) to another website site, computer, server, or data center.
  • DSL digital subscriber line
  • wireless eg, infrared, wireless, microwave, etc.

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Abstract

本申请提供了一种数据传输的方法，该方法可以包括: 确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续，所述第一比特序列为第一传输的比特序列，所述第二比特序列为第二传输的比特序列，其中，所述第一传输与所述第二传输承载相同的传输块，所述第二传输为所述第一传输前一次的传输；接收和/或发送所述第一比特序列。在本申请中，通过第一比特序列起点位置的选择，可以保证多次重复传输的合并译码的性能，避免因为传输码率过高导致部分信息比特和/或校验比特无法被发送而影响性能。

Description

重复传输的方法、装置
本申请要求于2020年7月31日提交中国专利局、申请号为202010761996.3、申请名称为“重复传输的方法、装置”的中国专利申请的优先权，以及2021年2月8日提交中国专利局、申请号为202110170410.0、申请名称为“重复传输的方法、装置”的中国专利申请的优先权，上述全部内容通过引用结合在本申请中。
技术领域
本申请涉及通信领域，并且，更具体地，涉及重复传输的方法和装置。
背景技术
在无线通信系统中，用户设备(user equipment，UE)和基站(base station，或g Node B，gNB)之间交互的信息通过物理信道进行承载。因此，可以通过重复传输数据进行合并检测，提升信道估计性能，提升数据解调性能。对于一些深覆盖场景，如小区边沿，或者地下室等，无线信号传播的路径损耗非常严重。在这种情况下，需要考虑覆盖增强手段，这对于上行传输尤为重要，因为UE的发送功率往往较低，例如为23dBm，远低于gNB的发送功率(例如，一个带宽为20MHz的gNB，其典型发送功率为46dBm)。一种增强覆盖性能的方法是重复发送数据，例如，UE重复发送物理上行共享信道(physical uplink shared channel，PUSCH)数据，而gNB对重复发送的数据进行合并检测，可以提升信道估计性能，提升数据解调性能，从而提升小区覆盖能力。
然而，在一些场景下，如新无线(new radio，NR)通信系统中，考虑到跨时隙边界或上行、下行数据切换时会导致重复传输被切断，会导致实际的传输码率过高，从而造成信息比特无法完整传输的情况，此外，由于重复传输被切断后，实际传输中会进行两次独立的信道估计，因为一次独立信道估计时采用的解调参考信号(Demodulation Reference Signal,DMRS)较少，可能估计的信道不准确。同时，当待传输块的比特太小时，会导致信道编码的增益较小，降低当前重复传输的译码性能。
发明内容
本申请提供一种重复传输的方法和装置，能够提高PUSCH的重复传输的接收译码性能。
第一方面，提供了一种数据传输的方法，该方法包括：确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续，所述第一比特序列为第一传输的比特序列，所述第二比特序列为第二传输的比特序列，其中，所述第一传输与所述第二传输承载相同的传输块，所述第二传输为所述第一传输前一次的传输。
一种设计中，第一传输与第二传输为两次在时间上相邻的传输，并且，第二传输在时间上先于第一传输。
基于上述技术方案，通过第一比特序列的起始比特在编码后的比特序列中的位置的选择，确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续，可以解决现有系统中因实际传输码率过高并且重复传输会从编码后的比特序列的预定义位置选择，可能出现编码后比特序列中的部分信息比特和/或校验比特无法被发送而导致译码失败的问题，上述技术方案能尽可能地减小信息比特和校验比特丢失的概率，有效保证重复传输的接收译码性能。
应理解，该配置的用于重复传输的时域单元为网络设备给终端配置的每次重复传输占用的时域单元的数目。
结合第一方面，在第一方面的某些实现方式中，确定该第一比特序列与该第二比特序列中的至少一个参数相等，其中，该参数包括：功率，预编码和天线端口。
基于上述方案，可以基于两次重复传输的所有解调参考信号(Demodulation reference signal,DMRS)时域单元，一起做信道估计，相比于每次重复传输中利用当前重复传输的DMRS时域单元进行信道估计，可以利用更多的DMRS时域单元来提升信道估计的准确性，从而提高传输的数据解调和译码的可靠性。
结合第一方面，在第一方面的某些实现方式中，当所述第一传输的时域单元满足第一预设条件时，确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续；或，当所述第二传输的时域单元满足第二预设条件时，确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续。
结合第一方面，在第一方面的某些实现方式中，所述第一传输的所述第一比特序列的实际传输码率大于或者等于第一预设阈值，以及所述第一传输的时域单元的数目与一次重复传输的时域单元的数目的比值大于第二预设阈值，其中，所述第一传输的所述第一比特序列的实际传输码率为配置的用于重复传输的时域单元传输的比特序列的初始码率和所述第一比值的乘积，所述初始码率为配置的一次重复传输的码率，所述第一比值为所述配置的一次重复传输的时域单元的数目与所述第一传输的时域单元的数目的比值。
应理解，当时域单元包括DMRS所占的时域单元时，此处时域单元的数目为承载比特序列的时域单元的数目与DMRS所占的时域单元的数目的总和；当时域单元不包括DMRS所占的时域单元，此处时域单元的数目为承载比特序列的时域单元的数目。
结合第一方面，在第一方面的某些实现方式中，所述第二传输的所述第二比特序列的实际传输码率大于或者等于第三预设阈值，以及所述第二传输的时域单元的数目与所述配置的一次重复传输的时域单元的数目的比值小于或者等于第四预设阈值，其中，所述第二传输的所述第二比特序列的实际传输码率为配置的用于重复传输的时域单元传输的比特序列的初始码率与第二比值的乘积，所述初始码率为配置的一次重复传输的码率，所述第二比值为所述第二传输的时域单元的数目与所述配置的一次重复传输的时域单元的数目的比值。
应理解，当时域单元包括DMRS所占的时域单元时，此处时域单元的数目为承载比特序列的时域单元的数目与DMRS所占的时域单元的数目的总和；当时域单元不包括DMRS所占的时域单元，此处时域单元的数目为承载比特序列的时域单元的数目。
结合第一方面，在第一方面的某些实现方式中，发送指示信息，该指示信息用于指示该第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连 续。
结合第一方面，在第一方面的某些实现方式中，发送下行控制信息DCI，该DCI包括该指示信息。其中，当第一传输的时域单元的数目满足第一预设条件，和/或，第二传输的时域单元的数目满足第二预设条件，通过DCI中的信息指示按照该第一比特序列的起始比特与第二比特序列的结束比特在该编码后的比特序列中的位置连续的形式进行重复传输。该信息可以是新增的字段，也可以是现有字段的冗余状态取值，例如调制与编码策略指示的状态值29-31(保留位)。
结合第一方面，在第一方面的某些实现方式中，发送无线资源控制RRC信令，该RRC信令包括该指示信息。
第二方面，提供了一种数据传输的方法，该方法包括：确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续，该第一比特序列为第一传输的比特序列，该第二比特序列为第二传输的比特序列，其中，所述第一传输与所述第二传输承载相同的传输块，所述第二传输为所述第一传输前一次的传输接收和/或发送该第一比特序列。
基于上述方案，通过确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续，可以解决重复传输的实际码率过高并且重复传输会从预定义的位置从编码后比特序列中选择传输的比特，导致可能出现部分信息比特和/或校验比特无法被发送而译码失败的问题。
结合第二方面，在第二方面的某些实现方式中，确定该第一比特序列与该第二比特序列中的至少一个参数相等，其中，该参数包括：功率，预编码和天线端口。
基于上述方案，可以基于两次重复传输的所有DMRS时域单元，一起做信道估计，相比于每次重复传输中利用当前重复传输的DMRS时域单元进行信道估计，可以利用更多的DMRS时域单元来提升信道估计的准确性，从而提高传输的数据解调和译码的可靠性。
结合第二方面，在第二方面的某些实现方式中，接收指示信息，该指示信息用于指示第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续；其中，确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续，包括：根据该指示信息，确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续。
结合第二方面，在第二方面的某些实现方式中，接收DCI，该DCI包括该指示信息。其中，当第一传输的时域单元的数目满足第一预设条件，和/或，第二传输的时域单元的数目满足第二预设条件，通过DCI中的信息指示按照该第一比特序列的起始比特与第二比特序列的结束比特在该编码后的比特序列中的位置连续的形式进行重复传输。该信息可以是新增的字段，也可以是现有字段的冗余状态取值，例如调制与编码策略指示的状态值29-31(保留位)。
结合第二方面，在第二方面的某些实现方式中，接收RRC信令，该RRC信令包括该指示信息。
第三方面，提供了一种数据传输的方法，该方法包括：确定第一待编码块包括至少两个第二待编码块，该至少两个第二待编码块中的每个待编码块为用于重复传输的一个时间 单元的时域单元传输的待编码块；对该第一待编码块进行信道编码和速率匹配获得比特序列；接收和/或发送该比特序列。
基于上述技术方案，通过将至少两个第二待编码块合并为一个更大的待编码块，统一进行信道编码和速率匹配。通过对合并之后的更大的待编码块进行信道编码，相比原有对至少两个第二待编码块独立信道编码，能够获得较好的信道编码增益。确定该合并后待编码块的传输码率，信道编码和速率匹配后在原有的至少两个第二待编码块用于重复传输的时域单元内进行重复传输，能通过获得的信道编码增益提升重复传输的译码和解调性能。
结合第三方面，在第三方面的某些实现方式中，当该第二待编码块的比特数满足第一预设条件时，对该第一待编码块进行信道编码和速率匹配后，在多个时间单元上进行重复传输。
结合第三方面，在第三方面的某些实现方式中，该第一预设条件为至少两个第二待编码块中的待编码块的最大比特数小于或者等于第一预设阈值。
结合第三方面，在第三方面的某些实现方式中，该第一预设条件为该至少两个第二待编码块的比特数之和小于或者等于第二预设阈值。
结合第三方面，在第三方面的某些实现方式中，发送第一指示信息，该第一指示信息用于指示该第一比特序列为该第一待编码块通过信道编码和速率匹配获得的比特序列。
结合第三方面，在第三方面的某些实现方式中，发送第一DCI，该第一DCI包括该第一指示信息。其中，通过DCI中的1bit信息指示该第一比特序列为该第一待编码块通过信道编码和速率匹配获得的比特序列。该1bit可以是新增的字段，也可以是现有字段的冗余状态取值，例如调制与编码策略指示的状态值29-31(保留位)。
结合第三方面，在第三方面的某些实现方式中，发送第一RRC信令，该第一RRC信令包括该第一指示信息。
结合第三方面，在第三方面的某些实现方式中，确定第一比特序列的起始比特与第二比特序列的结束比特在该编码后的比特序列中的位置连续，该第一比特序列为第一传输的比特序列，该第二比特序列为第二传输的比特序列，其中，该第一传输与该第二传输承载相同的传输块，该第二传输为该第一传输前一次的传输。
结合第三方面，在第三方面的某些实现方式中，当第一传输的时域单元的数目满足第二预设条件时，确定第一比特序列的起始比特与第二比特序列的结束比特在该编码后的比特序列中的位置连续，和/或，第二传输的时域单元的数目满足第三预设条件时，确定第一比特序列的起始比特与第二比特序列的结束比特在该编码后的比特序列中的位置连续。
结合第三方面，在第三方面的某些实现方式中，该第二预设条件为所述第一传输的所述第一比特序列的实际传输码率大于或者等于第一预设阈值，以及所述第一传输的时域单元的数目与一次重复传输的时域单元的数目的比值大于第二预设阈值，其中，所述第一传输的所述第一比特序列的实际传输码率为配置的用于重复传输的时域单元传输的比特序列的初始码率和所述第一比值的乘积，所述初始码率为配置的一次重复传输的码率，所述第一比值为所述配置的一次重复传输的时域单元的数目与所述第一传输的时域单元的数目的比值。
应理解，当时域单元包括DMRS所占的时域单元时，此处时域单元的数目为承载比特序列的时域单元的数目与DMRS所占的时域单元的数目的总和；当时域单元不包括 DMRS所占的时域单元，此处时域单元的数目为承载比特序列的时域单元的数目。
结合第三方面，在第三方面的某些实现方式中，该第三预设条件为所述第二传输的所述第二比特序列的实际传输码率大于或者等于第三预设阈值，以及所述第二传输的时域单元的数目与所述配置的一次重复传输的时域单元的数目的比值小于或者等于第四预设阈值，其中，所述第二传输的所述第二比特序列的实际传输码率为配置的用于重复传输的时域单元传输的比特序列的初始码率与第二比值的乘积，所述初始码率为配置的一次重复传输的码率，所述第二比值为所述第二传输的时域单元的数目与所述配置的一次重复传输的时域单元的数目的比值。
应理解，当时域单元包括DMRS所占的时域单元时，此处时域单元的数目为承载比特序列的时域单元的数目与DMRS所占的时域单元的数目的总和；当时域单元不包括DMRS所占的时域单元，此处时域单元的数目为承载比特序列的时域单元的数目。
结合第三方面，在第三方面的某些实现方式中，发送第二指示信息，该第二指示信息用于指示该第一比特序列的起始比特与第二比特序列的结束比特在该编码后的比特序列中的位置连续。
结合第三方面，在第三方面的某些实现方式中，发送第二DCI，该第二DCI包括该第二指示信息。其中，当第一传输的时域单元的数目满足第二预设条件，和/或，第二传输的时域单元的数目满足第三预设条件时，通过第二DCI中的1bit信息指示按照该第一比特序列的起始比特与第二比特序列的结束比特在该编码后的比特序列中的位置连续的形式进行重复传输。该1bit信息可以是新增的字段，也可以是现有字段的冗余状态取值，例如调制与编码策略指示的状态值29-31(保留位)。
结合第三方面，在第三方面的某些实现方式中，发送第二RRC信令，该第二RRC信令包括该第二指示信息。
第四方面，提供了一种数据传输的方法，该方法包括：
接收第一指示信息，该第一指示信息用于指示在多个时间单元上接收和/或发送的序列为该第一待编码块在信道编码和速率匹配之后的序列，其中，该第一待编码块包括至少两个第二待编码块，该至少两个第二待编码块中的一个待编码块中的每个待编码块为用于重复传输的一个时间单元的时域单元传输的待编码块；接收和/或发送该序列；根据该第一指示信息，对该序列进行信道译码。
基于上述技术方案，在多个时间单元上接收和/或发送该第一待编码块在信道编码和速率匹配之后的序列，其中，该第一待编码块包括至少两个第二待编码块，该至少两个第二待编码块中的一个待编码块中的每个待编码块为用于重复传输的一个时域单元传输的待编码块，对该第一比特序列进行统一信道译码，能够改善系统的传输能力。
结合第四方面，在第四方面的某些实现方式中，接收第一DCI，该第一DCI包括该第一指示信息。其中，通过DCI中的1bit信息指示该第一比特序列为该第一待编码块通过信道编码和速率匹配获得的比特序列。该1bit可以是新增的字段，也可以是现有字段的冗余状态取值，例如调制与编码策略指示的状态值29-31(保留位)。
结合第四方面，在第四方面的某些实现方式中，接收第一RRC信令，该第一RRC信令包括该第一指示信息。
结合第四方面，在第四方面的某些实现方式中，接收第二指示信息，该第二指示信息 用于指示第一比特序列的起始比特与第二比特序列的结束比特在该编码后的比特序列中的位置连续，所述第一比特序列为第一传输的比特序列，所述第二比特序列为第二传输的比特序列，其中，所述第一传输与所述第二传输承载相同的传输块，所述第二传输为所述第一传输前一次的传输；根据该第二指示信息，确定该第一比特序列的起始比特与第二比特序列的结束比特在该编码后的比特序列中的位置连续；在多个时间单元上接收和/或发送该第一待编码块在信道编码和速率匹配之后的序列。
结合第四方面，在第四方面的某些实现方式中，接收第二DCI，该第二DCI包括该第二指示信息。其中，通过DCI中的1bit信息指示按照该第一比特序列的起始比特与第二比特序列的结束比特在该编码后的比特序列中的位置连续的形式进行重复传输。该1bit可以是新增的字段，也可以是现有字段的冗余状态取值，例如调制与编码策略指示的状态值29-31(保留位)。
结合第四方面，在第四方面的某些实现方式中，接收第二RRC信令，该第二RRC信令包括该第二指示信息。
第五方面，提供了一种数据传输的方法，该方法包括：确定第一比特序列与第二比特序列中的至少一个参数相等，该参数包括：功率，预编码和天线端口。其中，该第一比特序列为第一传输的比特序列，该第二比特序列为第二传输的比特序列，所述第一传输的比特序列与所述第二传输承载相同的传输块，所述第二传输为所述第一传输前一次的传输；接收和/或发送该第一比特序列。
基于上述方案，确定第一比特序列与第二比特序列中的至少一个参数相等，该参数包括：功率，预编码和天线端口，可以基于两次重复传输的所有DMRS时域单元，一起做信道估计，相比于每次重复传输中利用当前重复传输的DMRS时域单元进行信道估计，可以利用更多的DMRS时域单元来提升信道估计的准确性，从而提高传输的数据解调和译码的可靠性。
结合第五方面，在第五方面的某些实现方式中，当该第一传输的时域单元的数目满足第四预设条件时，确定该第一比特序列与该第二比特序列中的至少一个参数相等；或，当该第二传输的时域单元的数目满足第五预设条件时，确定该第一比特序列与该第二比特序列中的至少一个参数相等。
结合第五方面，在第五方面的某些实现方式中，该第四预设条件为以下条件中的至少一种：所述第一传输的所述第一比特序列的实际传输码率大于或者等于第一预设阈值，以及所述第一传输的时域单元的数目与一次重复传输的时域单元的数目的比值大于第二预设阈值，其中，所述第一传输的所述第一比特序列的实际传输码率为配置的用于重复传输的时域单元传输的比特序列的初始码率和所述第一比值的乘积，所述初始码率为配置的一次重复传输的码率，所述第一比值为所述配置的一次重复传输的时域单元的数目与所述第一传输的时域单元的数目的比值。
应理解，当时域单元包括DMRS所占的时域单元时，此处时域单元的数目为承载比特序列的时域单元的数目与DMRS所占的时域单元的数目的总和；当时域单元不包括DMRS所占的时域单元，此处时域单元的数目为承载比特序列的时域单元的数目。
结合第五方面，在第五方面的某些实现方式中，该第五预设条件为以下条件中的至少一种：所述第二传输的所述第二比特序列的实际传输码率大于或者等于第三预设阈值，以 及所述第二传输的时域单元的数目与所述配置的一次重复传输的时域单元的数目的比值小于或者等于第四预设阈值，其中，所述第二传输的所述第二比特序列的实际传输码率为配置的用于重复传输的时域单元传输的比特序列的初始码率与第二比值的乘积，所述初始码率为配置的一次重复传输的码率，所述第二比值为所述第二传输的时域单元的数目与所述配置的一次重复传输的时域单元的数目的比值。
应理解，当时域单元包括DMRS所占的时域单元时，此处时域单元的数目为承载比特序列的时域单元的数目与DMRS所占的时域单元的数目的总和；当时域单元不包括DMRS所占的时域单元，此处时域单元的数目为承载比特序列的时域单元的数目。
第六方面，提供了一种数据传输的方法，该方法包括：确定第一比特序列与第二比特序列中的至少一个参数相等，该参数包括：功率，预编码和天线端口。其中，该第一比特序列的起始比特与第二比特序列的结束比特在该编码后的比特序列中的位置连续，该第一比特序列为第一传输的比特序列，该第二比特序列为第二传输的比特序列，其中，所述第一传输的比特序列与所述第二传输承载相同的传输块，所述第二传输为所述第一传输前一次的传输；接收和/或发送该第一比特序列。
基于上述方案，确定第一比特序列与第二比特序列中的至少一个参数相等，该参数包括：功率，预编码和天线端口，可以基于两次重复传输的所有DMRS时域单元，一起做信道估计，相比于每次重复传输中利用当前重复传输的DMRS时域单元进行信道估计，可以利用更多的DMRS时域单元来提升信道估计的准确性，从而提高传输的数据解调和译码的可靠性。
第七方面，提供一种用于数据传输的装置，数据传输的装置用于执行上述第一方面至第六方面提供的通信方法。具体地，数据传输的装置可以包括用于执行第一方面至第六方面提供的数据传输的方法的模块。
第八方面，提供一种用于数据传输的装置，包括处理器。该处理器与存储器耦合，可用于执行存储器中的指令，以实现上述第一方面至第六方面以及第一方面至第六方面中任一种可能实现方式中的通信方法。可选地，该用于数据传输的装置还包括存储器。可选地，该用于数据传输的装置还包括通信接口，处理器与通信接口耦合，该通信接口用于输入和/或输出信息。该信息包括指令和数据中的至少一项。
在一种实现方式中，该用于数据传输的装置为网络设备。当该用于数据传输的装置为网络设备时，该通信接口可以是收发器，或，输入/输出接口。
在另一种实现方式中，该用于数据传输的装置为芯片或芯片系统。当该用于数据传输的装置为芯片或芯片系统时，该通信接口可以是该芯片或芯片系统上的输入/输出接口、接口电路、输出电路、输入电路、管脚或相关电路等。该处理器也可以体现为处理电路或逻辑电路。
在另一种实现方式中，该用于数据传输的装置为配置于网络设备中的芯片或芯片系统。
可选地，该收发器可以为收发电路。可选地，该输入/输出接口可以为输入/输出电路。
第七方面，提供一种计算机可读存储介质，其上存储有计算机程序，该计算机程序被通信装置执行时，使得该通信装置实现第一方面至第六方面，以及第一方面至第六方面的任一可能的实现方式中的通信方法。
第八方面，提供一种包含指令的计算机程序产品，该指令被计算机执行时使得通信装 置实现第一方面至第六方面提供的通信方法。
附图说明
图1示出了一种适用于本申请实施例的无线通信系统100的一示意图。
图2示出了一种PUSCH重复发送的时域资源分配的一示意图。
图3示出了一种PUSCH重复发送跨时隙边界的一示意图。
图4示出了一种PUSCH重复发送跨时隙边界的RV循环的一示意图。
图5示出了一种LDPC编码后的RV编号和起点选择的一示意图。
图6示出了一种PUSCH跨时隙边界的重复传输的一示意图。
图7示出了一种适用本申请的重复传输数据的方法的一例的示意性流程图。
图8示出了一种适用本申请的确定重复传输比特序列起点的一例的示意图。
图9示出了一种适用本申请的确定重复传输比特序列起点的另一例的示意图。
图10示出了一种适用本申请的重复传输的方法的另一例的示意性流程图。
图11示出了一种适用本申请的待传输块合成后多个时隙重复传输的一示意图。
图12示出了一种适用本申请的重复传输数据的方法的另一例的示意性流程图。
图13示出了一种适用本申请的重复传输数据的方法的另一例的示意性流程图。
图14示出了一种适用本申请的重复传输数据的方法的另一例的示意性流程图。
图15示出了一种适用本申请的重复传输数据的方法的另一例的示意性流程图。
图16示出了一种适用于本申请实施例提供的通信装置的一种示意性框图。
图17示出了一种适用于本申请实施例提供的通信装置的一种示意性架构图。
图18示出了一种适用于本申请实施例提供的通信装置的一种示意性结构图。
图19示出了一种适用于本申请实施例提供的通信装置的一种示意性架构图。
具体实施方式
本申请实施例的技术方案可以应用于各种通信系统，例如：第五代(5th generation，5G)系统或NR系统、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)等。
图1是适用于本申请实施例的无线通信系统100的另一示意图。如图1所示，该无线通信系统100可以包括至少一个终端设备，例如图1中的终端设备121和122；该无线通信系统100还可以包括多个网络设备，例如图1中的网络设备111和网络设备112。图1中的终端设备121可以同时与终端设备122、网络设备121和网络设备112进行通信，网络设备121可以同时与终端设备121、终端设备122和网络设备112进行通信。网络设备和终端设备均可配置多个天线，网络设备与终端设备可使用多天线技术通信。
应理解，图1仅是示例性说明，本申请并未限定于此。
应理解，该无线通信系统中的网络设备可以是任意一种具有无线收发功能的设备。该设备包括但不限于：演进型节点B(evolved Node B，eNB)、无线网络控制器(Radio Network Controller，RNC)、节点B(Node B，NB)、基站控制器(Base Station Controller，BSC)、基站收发台(Base Transceiver Station，BTS)、家庭基站(例如，Home evolved NodeB， 或Home Node B，HNB)、基带单元(Base Band Unit，BBU)，无线保真(Wireless Fidelity，WIFI)系统中的接入点(Access Point，AP)、无线中继节点、无线回传节点、传输点(transmission point，TP)或者发送接收点(transmission and reception point，TRP)等，还可以为5G，如，NR，系统中的gNB，或，传输点(TRP或TP)，5G系统中的基站的一个或一组(包括多个天线面板)天线面板，或者，还可以为构成gNB或传输点的网络节点，如基带单元(BBU)，或，分布式单元(distributed unit，DU)等。
在一些部署中，gNB可以包括集中式单元(centralized unit，CU)和DU。gNB还可以包括有源天线单元(active antenna unit，简称AAU)。CU实现gNB的部分功能，DU实现gNB的部分功能。比如，CU负责处理非实时协议和服务，实现无线资源控制(radio resource control，RRC)，分组数据汇聚层协议(packet data convergence protocol，PDCP)层的功能。DU负责处理物理层协议和实时服务，实现无线链路控制(radio link control，RLC)层、媒体接入控制(media access control，MAC)层和物理(physical，PHY)层的功能。AAU实现部分物理层处理功能、射频处理及有源天线的相关功能。由于RRC层的信息最终会变成PHY层的信息，或者，由PHY层的信息转变而来，因而，在这种架构下，高层信令，如RRC层信令，也可以认为是由DU发送的，或者，由DU+AAU发送的。可以理解的是，网络设备可以为包括CU节点、DU节点、AAU节点中一项或多项的设备。此外，可以将CU划分为接入网(radio access network，RAN)中的网络设备，也可以将CU划分为核心网(core network，CN)中的网络设备，本申请对此不做限定。
为便于理解本申请实施例，下面首先对本申请中涉及的几个术语做简单介绍。
1、冗余版本
冗余版本：冗余版的设计用于实现增量冗余(Incremental redundancy，IR)混合自动重传请求(Hybrid Automatic Repeat reQuest，HARQ)传输，即将编码器生成的冗余比特分成若干组，每个RV定义一个传输开始点，首次传送和各次HARQ重传分别使用不同的RV，以实现冗余比特的逐步积累，完成增量冗余HARQ操作。在LTE研究过程中，曾考虑过两种RV数量：4个和8个，经过讨论后确定采用4个RV。RV的定义与软缓存(SoftBuffer)的大小有关，选择发送端循环缓存和接收端软缓存二者中较小者，将4个RV均匀分布在这个范围内。
2、低密度校验码
低密度校验码(Low Density Parity Coding，LDPC)，它是一类具有稀疏校验矩阵的线性分组码，不仅有逼近Shannon限的良好性能，而且译码复杂度较低，结构灵活。
LDPC码的译码算法包括以下三大类：硬判决译码，软判决译码和混合译码。
(1)硬判决译码将接收的实数序列先通过解调器进行解调，再进行硬判决，得到硬判决0，1序列，最后将得到的硬判决序列输送到硬判决译码器进行译码。这种方式的计算复杂度固然很低，但是硬判决操作会损失掉大部分的信道信息，导致信道信息利用率很低，硬判决译码的信道信息利用率和译码复杂度是三大类译码中最低的。常见的硬判决译码算法有比特翻转(bit-flipping,BF)算法、一步大数逻辑(one-step majority-logic,OSMLG)译码算法。
(2)软判决译码可以看成是无穷比特量化译码，它充分利用接收的信道信息(软信息)，信道信息利用率得到了极大的提高，软判决译码利用的信道信息不仅包括信道信息 的符号，也包括信道信息的幅度值。信道信息的充分利用，极大地提高了译码性能，使得译码可以迭代进行，充分挖掘接收的信道信息，最终获得出色的误码性能。软判决译码的信道信息利用率和译码复杂度是三大类译码中最高的。最常用的软判决译码算法是和积译码算法，又称置信传播(belief propagation,BP)算法。
(3)与上述的硬判决译码和软判决译码相比，混合译码结合了软判决译码和硬判决译码的特点，是一类基于可靠度的译码算法，它在硬判决译码的基础上，利用部分信道信息进行可靠度的计算。常用的混合译码算法有、加权比特翻转(weighted BF,WBF)算法、加权OSMLG(weighted OSMLG,WMLG)译码算法。
3、传输块
传输块(Transport block，TB)，一个传输块就是包含MAC PDU的一个数据块，这个数据块会在一个TTI上传输，也是HARQ重传的单位。LTE规定：对于每个终端一个TTI最多可以发送两个传输块。这个是针对某个UE，而对于eNodeB，每个TTI调度的传输块就不止两个，因为可以同时调度多个UE。TB是MAC的概念。
4、时隙
时隙(slot)：在NR中，时隙为时间的最小调度单元。一种时隙的格式为包含14个正交频分复用(Orthogonal Frequency Division Multiplexing,OFDM)符号，每个OFDM符号的CP为正常CP(normal CP)；一种时隙的格式为包含12个OFDM符号，每个OFDM符号的CP为扩展CP(extended CP)；一种时隙的格式为包含7个OFDM符号，每个OFDM符号的CP为正常CP。一个时隙中的OFDM符号可以全用于上行传输；可以全用于下行传输；也可以一部分用于下行传输，一部分用于上行传输，一部分预留不进行传输。应理解，以上举例仅为示例性说明，不应对本申请构成任何限定。出于系统前向兼容性考虑，时隙格式不限于以上示例。
5、时频资源：在本申请实施例中，数据或信息可以通过时频资源来承载，其中，该时频资源可以包括时域上的资源和频域上的资源。其中，在时域上，时频资源可以包括一个或多个时域单元(或者，也可以称为时间单位)，在频域上，时频资源可以包括频域单元。
其中，一个时域单元(也可称为时间单元)可以是一个符号或者几个符号，或者一个迷你时隙(mini-slot)，或者一个时隙(slot)，或者一个子帧(subframe)，其中，一个子帧在时域上的持续时间可以是1毫秒(ms)，一个时隙由7个或者14个符号组成，一个迷你时隙可以包括至少一个符号(例如，2个符号或7个符号或者14个符号，或者小于等于14个符号的任意数目符号)。列举的上述时域单元大小仅仅是为了方便理解本申请的方案，不应理解对本申请的限定，可以理解的是，上述时域单元大小可以为其它值，本申请不做限定。
一个频域单元可以是一个资源块(resource block，RB)，或者一个资源块组(resource block group，RBG)，或者一个预定义的子带(subband)。
6、解调参考信号
解调参考信号(Demodulation Reference Signal,DMRS)，在数据传输过程中,用于上下行数据解调。
在无线通信系统，如NR通信系统中，UE和gNB之间交互的信息通过物理信道进 行承载。其中，UE发送的数据，也即上行数据，通常通过PUSCH承载；UE发送的控制信息，即：上行控制信息，通常通过物理上行控制信道(physical uplink control channel，PUCCH)承载。此外，UE还可以发送探测参考信号(sounding reference signal，SRS)，gNB通过接收UE的SRS，可以估计UE在不同频率上的信道质量。
例如，对上行SRS，当前NR协议支持{1,2,4}不同次数的重复传输；针对PUSCH传输，当前NR协议支持{1,2,4,8}不同次数的重复传输。当前，对SRS和PUSCH的重复传输次数，通过无线资源控制(Radio Resource Control,RRC)信令进行配置。例如，PUSCH通过RRC的“ConfiguredGrantConfig：：RepK＝{n1,n2,n4,n8}”字段进行配置，SRS通过RRC的“SRS-Resource::RepetitionFactor＝{n1,n2,n4}”字段进行配置。当UE收到上述RRC信令配置后，进行相应的重复次数的传输。
通常，RRC还包含了连接管理、无线承载控制和连接移动性等诸多过程，RRC信令从高层传达给终端需要经历较长时间(例如，百毫秒)，因此无法灵活动态的适配传输信道的变化。因此，在后续NR讨论中，在38.214协议中针对PUSCH引入了通过下行控制信息(Downlink Control Information,DCI)来动态指示PUSCH的重复传输次数，来灵活的匹配当前PUSCH传输的信道质量。具体的，通过DCI中的时域资源分配(Time Domain Resource Allocation,TDRA)表格的索引来确定重复传输的次数。如下，以PUSCH传输为例，说明本申请技术方案，但本申请技术方案也适用于下行的重复传输。
当终端设备被调度为发送传输块而没有信道状态信息CSI报告，或者终端设备被调度为通过DCI在PUSCH上发送传输块和CSI报告时，DCI的时域资源分配字段值m提供行索引m+1到分配的表。索引行定义时隙偏移量K 2，起始和长度指示符SLIV，或直接定义起始符号S和分配长度L，以及要在PUSCH传输中应用的PUSCH映射类型。具体地，通过DCI中的TDRA表格的索引来确定重复传输的次数。因此，当前PUSCH的重复传输次数可以通过DCI指示来确定PUSCH的重复传输次数。
因此，当前PUSCH的重复传输次数可以通过DCI指示(动态调度以及Type2PUSCH的免授权调度)或者RRC消息的RepK(Type1的免授权调度)来确定PUSCH的重复传输次数。
在R15中，不允许一个PUSCH的传输跨过时隙边界，因此，为了避免跨时隙边界的传输PUSCH，UE可以在连续的可用时隙中通过UL grant或者RRC信令配置PUSCH的重复传输，称为PUSCH repetition typeA，其中，PUSCH在各个时隙的重复传输的时域资源相同(预留)。
图2为一种PUSCH重复发送的时域资源分配的示意图。如图所示，通常情况下，基站每次传输调度的时域资源不会大于或者等于14个时域单元，基站每次都按相同的时域资源分配，所以，时域资源所占用的时域位置是相同的。同时，一次传输调度的时域资源占用一个时隙，在避免出现被时隙边界切割的同时，会造成传输资源断断续续的现象。
在Rel-16协议新增PUSCH repetition typeB，对于PUSCH repetition typeB，DCI中的TDRA字段或type1免授权调度中的TDRA参数指示第一个“nominal”重复的资源，剩余重复传输的时域资源基于第一个PUSCH的时域资源和UL/DL时隙配置计算出来的。如果“nominal”传输跨越了时隙边界或DL/UL切换点，则“nominal”传输在时隙边界或切换点处分裂为多个PUSCH重复，因此实际的重复次数可以大于指示值。
图3为一种PUSCH重复发送跨时隙边界的示意图。如图所示，如果一次传输的时域资源全部为UL(DL)资源且小于一个时隙大小，则不会发生跨边界传输的情况，实际重复次数(actual repetitions)等于预配置的重复次数(nominal repetitions)。如果一次传输的时域资源跨越了UL/DL切换点，则所述的一次传输资源会在切换点被切割为多个PUSCH重复，此时实际重复次数大于预配置重复次数。如果一次传输的时域资源跨越了时隙边界(slot boundary)，则所述的一次传输资源会在时隙边界被切割为多个PUSCH重复，此时实际重复次数大于预配置的重复次数。
当前重复传输时会进行RV循环，即在多次重复传输时会按照配置的RV编号的循环顺序，从编码后比特序列的不同起点位置，选择出连续的待发送的比特序列，完成速率匹配并进行重复发送，尽可能传输不同的信息比特和校验比特，改善接收端的合并译码的增益。
图4为一种PUSCH重复发送跨时隙边界的RV循环的示意图。如图所示，在一个RV循环中，第一次重复传输为Rep#1，重复传输的起始位置为RV0；第二次重复传输为Rep#2，重复传输的起始位置为RV2；第三次重复传输为Rep#3，重复传输的起始位置为RV3。通过尽可能的选择不同的起始位置，以此传输不同的信息比特和校验比特，提高接收端合并译码的增益。
图5为一种LDPC编码后的RV编号和起点选择的示意图。如图所示，传输块大小(Transport block size，TBS)为一个完整的传输资源块大小，经过LDPC编码后，RV编号方式为RV0、RV1、RV2、RV3。
重复传输在跨时隙边界时可能会被切换，导致当前重复传输的实际可用时域单元的数目变少，而在传输块大小TBS依旧不变的情况，会导致实际传输的码率过高，降低当前重复传输的译码正确率。
图6为一种PUSCH跨时隙边界的重复传输的示意图。如图所示，当前gNB配置了>2次的TypeB的PUSCH的重复传输，每次传输调度的时域资源为14个时域单元，第一次传输需要跨时隙边界，因此第一次传输被切断为两次重复传输，即第一次传输实际只占用4个时域单元资源，从LDPC编码后比特序列的RV0位置进行速率匹配和重复发送。而剩下的10个时域单元资源将进行第二次的重复传输，从LDPC编码后比特序列的RV2位置进行速率匹配和重复发送。存在两个问题：
(1)第一次传输：虽然预配置了14个时域单元资源，并以此计算TBS，但因为跨slot边界导致当前传输被切断为两次传输，因此在第一次实际传输时只占用了4个时域单元，导致实际传输码率很高，实际码率为gNB初始配置的码率的14/4倍，实际码率过高导致译码失败可能性极大，其中，实际传输码率为当跨slot边界导致当前传输被切断为两次传输时，实际的传输码率，gNB初始配置的码率为配置的调制阶数的码率；
(2)第二次传输：占用10个时域单元资源，并从LDPC编码后比特序列的RV2对应的位置进行比特选择。而原本不跨slot边界的一次传输中，当前第二次传输的比特序列应该和第一次传输的比特序列，在LDPC编码后的比特序列中的位置连续，即第二次传输的比特序列的起点在LDPC编码后比特序列的位置，应该沿着第一次传输的比特序列的末尾在LDPC编码后比特序列的位置。然而，在一次重复传输跨slot边界被切断之后，第二次传输从LDPC编码后比特序列中的RV2对应的位置进行比特选择，可能导致LDPC编 码后比特序列中第一次传输的比特序列和第二次传输的比特序列中间的部分信息比特和或校验比特无法传输的情况，使得接收端的译码性能显著下降。
在无线通信中，对于一些深覆盖场景，如小区边沿，或者地下室等，无线信号传播的路径损耗非常严重。在这种情况下，需要考虑覆盖增强手段，这对于上行传输尤为重要，因为UE的发送功率往往较低，例如为23dBm，远低于gNB的发送功率(例如，一个带宽为20MHz的gNB，其典型发送功率为46dBm)。一种增强覆盖性能的方法是重复发送数据，例如，UE重复发送PUSCH数据，而gNB对重复发送的数据进行合并检测，可以提升信道估计性能，提升数据解调性能，从而提升小区覆盖能力。
如上所述，当前NR协议支持上行的重复传输，即通过UE重复的发送数据，gNB对重复发送的数据进行接收合并，提升接收信号的信噪比，有效改善信道估计能力和解调性能，从而提升小区的覆盖能力。
介于上述问题，本申请通过gNB和UE之间协定一种重复传输时的RV的起点选择，解决现有技术中因为存在重复传输跨时隙边界导致实际码率过高而译码失败的问题。
应理解，在本申请实施例中出现的时域单元，可以是时域符号、子帧、半帧，或帧等，本申请在此不做限定。
图7为一种适用本申请的重复传输的方法的一例的示意性流程图。该方法包括：
下文实施例，为区分且不失一般性，用第一设备表示网络设备，第二设备表示终端设备。
应理解，第一设备和第二设备还可能有其他形式，例如，第一设备与第二设备均可以为网络设备，或，第一设备与第二设备均可以为终端设备，或，第一设备可以为终端设备，第二设备可以为网络设备，此处不做限定。
S710，第一设备进行预设条件判断。
可选地，第一设备在初始配置时域资源的过程中，配置的用于重复传输的时域单元传输的比特序列的起点以及长度等基本参数由第一设备进行配置，其中，该配置的用于重复传输包括第一传输与第二传输，第一传输与第二传输承载相同的传输块，第二传输为所述第一传输前一次的传输，也就是说，第二传输为第一传输在时间上相邻，且在时间上先于第一传输。第一传输和第二传输可以占用不同的时隙或者在一个时隙内不连续，例如，当在一个时隙中，传输跨越了上行数据与下行数据的切换点，会造成第一传输和第二传输在一个时隙内不连续，或者，当在不同时隙时，第一传输和第二传输被时隙边界间隔开。因此，第一设备可以在预设过程中计算出该时域单元是否存在占用至少两个时隙或者在一个时隙内不连续的情况。
具体地，第一设备在得知上述计算结果后，会进行条件判断，即：第一传输的时域单元是否满足第一预设条件，或，第二传输的时域单元是否满足第二预设条件。
可选地，第一预设条件可以包括第一传输的第一比特序列的实际传输码率是否大于或者等于第一预设阈值，该第一传输的第一比特序列的实际传输码率为配置的用于重复传输的时域单元传输的比特序列的初始码率和第一比值的乘积，该初始码率为配置的一次重复传输的码率，该第一比值为该配置的一次重复传输的时域单元的数目与该第一传输的时域单元的数目的比值。
例如，该预配置的一次重复传输的时域单元的数目为14，第一传输的第一比特序列 的初始码率为0.6，该第一传输的时域单元的数目为10，假设第一预设阈值为0.7，当第一传输的时域单元与第二传输的时域单元不包括DMRS所在的时域单元时，第一传输的第一比特序列的实际传输码率＝0.6*14/10＝0.84大于0.7。此时，第一传输的第一比特序列的实际传输码率大于第一预设阈值；当第一传输的时域单元与第二传输的时域单元均包括一个DRMS时，一次重复传输的时域单元的数目为14，第一传输的第一比特序列的实际传输码率＝0.6*12/9＝0.8大于0.7。此时，第一传输的第一比特序列的实际传输码率大于第一预设阈值
可选地，第一预设条件可以包括该第一传输的时域单元的数目与该配置的一次重复传输的时域单元的数目的比值是否小于或者等于第二预设阈值。
例如，该第一传输的时域单元的数目为12，该配置的一次重复传输的时域单元的数目为14，假设第二预设阈值为0.9，当第一传输的时域单元与第二传输的时域单元不包括DMRS所在的时域单元时，该第一传输的时域单元的数目与该配置的一次重复传输的时域单元的数目的比值＝12/14＝0.857143＜0.9，此时，该第一传输的时域单元的数目与该配置的一次重复传输的时域单元的数目的比值大于第二预设阈值；当DMRS均占一个第一传输的时域单元与第二传输的时域单元时，该第一传输的时域单元的数目与该配置的一次重复传输的时域单元的数目的比值＝11/13＝0.846154＜0.9，此时，该第一传输的时域单元的数目与该配置的一次重复传输的时域单元的数目的比值大于第二预设阈值。
可选地，第二传输的第二比特序列的实际传输码率大于或者等于第三预设阈值，该第二传输的该第二比特序列的实际传输码率为配置的一次重复传输的时域单元传输的比特序列的初始码率和第二比值的乘积，其中，该初始码率为配置的一次重复传输的时域单元发送的比特序列的码率，该第二比值为该配置的一次重复传输的时域单元的数目与该第二传输的时域单元的数目的比值。
例如，该配置的一次重复传输的时域单元的数目＝14，第二传输的第二比特序列的初始码率＝0.6，该第二传输的时域单元的数目为4，假设第三预设阈值为1，当第一传输的时域单元与第二传输的时域单元不包括DMRS所在的时域单元时，第二传输的第二比特序列的实际传输码率＝0.6*14/4＝2.1>1。此时，第二传输的第二比特序列的实际传输码率大于第三预设阈值；当DMRS均占一个第一传输的时域单元与第二传输的时域单元时，第二传输的第二比特序列的实际传输码率＝0.6*13/3＝2.6>1。此时，第二传输的第二比特序列的实际传输码率大于第三预设阈值。
可选地，该第二传输的时域单元的数目与预配置的一次重复传输的时域单元的数目的比值是否小于或者等于第四预设阈值。
例如，该第二传输的时域单元的数目为2，该配置的用于一次传输的时域单元的数目为14，假设第四预设阈值为1/2，当第一传输的时域单元与第二传输的时域单元不包括DMRS所在的时域单元时，该第二传输的时域单元的数目与该配置的一次重复传输的时域单元的数目的比值＝2/14＝0.14286<1/2，此时，该第二传输的时域单元的数目与该配置的一次重复传输的时域单元的数目的比值小于第四预设阈值；当DMRS均占一个第一传输的时域单元与第二传输的时域单元时，该第二传输的时域单元的数目与该配置的一次重复传输的时域单元的数目的比值＝1/12＝0.083333<1/2，此时，该第二传输的时域单元的数目与该配置的一次重复传输的时域单元的数目的比值小于第四预设阈值。
可选地，第二传输的时域单元的数目与第一传输的时域单元的数目的比值是否小于或者等于第五预设阈值。
例如，该第二传输的时域单元的数目为4，该第一传输的时域单元的数目为10，假设第五预设阈值为1/2，当第一传输的时域单元与第二传输的时域单元不包括DMRS所在的时域单元时，该第二传输的时域单元的数目与该第一传输的时域单元的数目的比值＝4/10＝0.4<1/2。此时，该第二传输的时域单元的数目与该第一传输的时域单元的数目的比值小于第五预设阈值；当DMRS均占一个第一传输的时域单元与第二传输的时域单元时，该第二传输的时域单元的数目与该第一传输的时域单元的数目的比值＝3/8＝0.375<1/2。此时，该第二传输的时域单元的数目与该第一传输的时域单元的数目的比值小于第五预设阈值。
其中，第一预设阈值、第二预设阈值、第三预设阈值、第四预设阈值和第五预设阈值，可以是预先规定的，如协议定义的，也可以是网络设备配置的；或者，也可以是根据历史通信情况确定的经验值，本申请在此不做限制。
S720，确定第一比特序列与第二比特序列中的至少一个参数相等。
可选地，第一设备与第二设备均会确定第一比特序列与第二比特序列中的至少一个参数相等，其中，所述参数包括：功率，预编码和天线端口。
当第一传输的时域单元和第二传输的时域单元占用不同的时隙或者在一个时隙内不连续，会分以两次独立的重复传输的形式进行数据传输。第一传输与第二传输的相关参数配置是相互独立的，接收端会对两次传输的数据进行独立的信道估计，再分别对两次传输的数据进行解调和译码。然而，由于数据被分为两次独立的传输，会导致当接收端对每次传输的数据进行信道估计时，采用的DMRS序列较少，造成信道估计不准确。因此，通过确定第一比特序列和第二比特序列中的至少一个参数相等，可以在接收到两个比特序列之后，统一进行联合信道估计，以此提高信道估计的准确性，从而，提升两次传输的数据解调和译码的准确性。由于，在实际实现的过程中，因为两次的数据传输是独立的，参数的不一致，依然会导致联合信道估计的失败。例如，当第二次传输的功率发生较大的变化，可能会在第二次传输过程中产生一个相对于第一次传输的随机相位，在估计的信道中耦合了这个随机相位，由于无法消除，导致估计的信道不准确；当发送天线端口不是同一个端口，通过DMRS估计出的信道也会不一致；此外，在数据传输中，两次传输的预编码也应相同，有助于接收端做联合信道估计。
通过确定第一比特序列与第二比特序列中的至少一个参数相等，可以基于两次重复传输的所有DMRS时域单元，一起做信道估计，相比于每次重复传输中利用当前重复传输的DMRS时域单元进行信道估计，可以利用更多的DMRS时域单元来提升信道估计的准确性，从而提高传输的数据解调和译码的可靠性。
S730，发送指示信息。
可选地，当第一传输的时域单元，或第二传输的时域单元分别满足S710中的第一预设条件或第二预设条件时，第一设备可以通过发送指示信息，告知第二设备如何选择第一比特序列的起始比特的位置。例如，该指示信息可以承载在下行控制信息DCI中，可以为重复传输时DCI中MCS索引取值为{29-31}。
示例地，当第一传输的时域单元，或第二传输的时域单元分别满足S710中的第一预 设条件或第二预设条件时，第一设备会通过发送指示信息，告知第二设备如何选择第一比特序列的起始比特的位置。例如，第一设备会通过发送的RRC消息告知第二设备如何选择第一比特序列的起点位置。
在具体实施过程中，该指示信息也可以不包括指示第二设备第一比特序列的起始比特与第二比特序列的结束比特在该编码后的比特序列中的位置连续的信息，例如，当上述条件得以满足时，第一设备会根据S710中的计算结果确定如何选择第一比特序列的起始比特的位置，并且，此处确定第一比特序列的起始比特在编码后的比特序列中的位置的过程与结果和第一设备保持一致。
S740，确定第一比特序列的起始比特与第二比特序列的结束比特在该编码后的比特序列中的位置连续。
示例地，第二设备在接收指示信息后，确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续，其中，位置连续为第一比特序列与第二比特序列无缝连接，能够从编码后的比特序列中无缝后向的连续选择待发送的比特序列。图8为一种适用本申请的确定重复传输比特序列起点的一例的示意图。如图所示，用于重复传输的连续时域资源在跨时隙边界时，第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续，可以从LDPC编码后的比特序列中无缝后向的连续选择待发送的比特序列。
示例地，第二设备在接收指示信息后，确定第一比特序列的起始比特与第二比特序列的起始比特在编码后的比特序列中的位置相同，其中，确定第一比特序列的RV编号为第二比特序列的RV相同的编号。图9为一种适用本申请的确定重复传输比特序列起点的另一例的示意图。如图所示，用于重复传输的连续时域资源在跨时隙边界时，第一比特序列的起始比特与第二比特序列的起始比特在编码后的比特序列中的位置相同。
示例地，第二设备在接收指示信息后，确定第一比特序列的起点位置也可以为第二比特序列的起始位置与末尾位置之间的任一位置。
示例地，第二设备根据预设规则，确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续。
示例地，第二设备根据预设规则，确定第一比特序列的起始比特与第二比特序列的起始比特在编码后的比特序列中的位置相同，其中，确定第一比特序列的RV编号为第二比特序列的RV相同的编号。
示例地，第二设备根据预设规则，确定第一比特序列的起点位置也可以为第二比特序列的起始位置与末尾位置之间的任一位置。
在具体实施过程中，第二设备接收的指示信息中，也可以不包括指示第二设备第一比特序列的起始比特与第二比特序列的结束比特在该编码后的比特序列中的位置连续，例如，第二设备在初始也会进行如S710中的计算，并根据计算结果判断第一传输的时域单元或第二传输的时域单元是否对应满足S710中的第一预设条件或第二预设条件。当满足S710中的第一预设条件或第二预设条件时，第二设备会根据S710中的计算结果确定第一比特序列的起始比特与第二比特序列的结束比特在该编码后的比特序列中的位置连续，并且，此处确定第一比特序列的起始比特在编码后的比特序列中的位置的过程与结果和第一设备保持一致。
在具体实施过程中，步骤S720与步骤S730、步骤S740的执行顺序并不唯一，例如，方法700的技术方案可以先执行步骤S720，再执行步骤S730与步骤S740；也可以先执行步骤S730、步骤S740，再执行步骤S720；也可以先执行步骤S730，再执行步骤S720、S740。在此，本申请对此不作限定。
S750，进行多次上行传输。
重复传输在跨时隙边界或上行数据/下行数据切换点时可能会造成时域资源的不连续，导致当前重复传输的实际可用时域单元数目减少，而在用于重复传输的时域资源依旧不变的情况下，会导致实际码率过高，降低当前重复传输的译码正确率。通过方法700的实施，可选地，第一设备发送的指示信息，第二设备根据指示信息或者预定规则，重新确定第一比特序列的起始比特在编码后的比特序列中的位置，同时，确定第一比特序列与第二比特序列中的至少一个参数相等，可以利用更多的DMRS时域单元来提升信道估计的准确性，降低传输的实际码率，即使存在跨时隙边界或上行数据/下行数据切换点的情况，多次重复传输时依然能够保证较好的合并译码的准确性。
图10为一种适用本申请的重复传输的方法的另一例的示意性流程图。该方法包括：
下文实施例，为区分且不失一般性，用第一设备表示网络设备，第二设备表示终端设备。
应理解，第一设备和第二设备还可能有其他形式，例如，第一设备与第二设备均可以为网络设备，或，第一设备与第二设备均可以为终端设备，或，第一设备可以为终端设备，第二设备可以为网络设备，此处不做限定。
S1010，进行预设条件判断。
关于预设条件判断，可以参考方法700中的S710的描述，为了简洁，此处不再赘述。
S1020，确定第一比特序列与第二比特序列中的至少一个参数相等。
关于确定第一比特序列与第二比特序列中的至少一个参数相等的说明，可以参考方法700中的S720的描述，为了简洁，此处不再赘述。
S1030，确定第一比特序列的起点位置。
示例地，第一设备根据计算结果确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续，其中，位置连续为第一比特序列与第二比特序列无缝连接，能够从编码后的比特序列中无缝后向的连续选择待发送的比特序列。
示例地，第一设备根据计算结果确定第一比特序列的起始比特与第二比特序列的起始比特在编码后的比特序列中的位置相同，其中，确定第一比特序列的RV编号为第二比特序列的RV相同的编号。
示例地，第一设备根据计算结果确定第一比特序列的起点位置也可以为第二比特序列的起始位置与末尾位置之间的任一位置。
示例地，第一设备根据预设规则，确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续。
示例地，第一设备根据预设规则，确定第一比特序列的起始比特与第二比特序列的起始比特在编码后的比特序列中的位置相同，其中，确定第一比特序列的RV编号为第二比特序列的RV相同的编号。
示例地，第一设备根据预设规则，确定第一比特序列的起点位置也可以为第二比特序 列的起始位置与末尾位置之间的任一位置。
S1040，发送指示信息。
示例地，当第一传输的时域单元或第二传输的时域单元分别对应满足S710中的第一预设条件或第二预设条件时，第一设备会通过发送指示信息，告知第二设备如何选择第一比特序列的起始比特的位置。例如，该指示信息可以承载在下行控制信息DCI中，可以为重复传输时DCI中MCS索引取值为{29-31}。
示例地，当第一传输的时域单元或第二传输的时域单元分别对应满足S710中的第一预设条件或第二预设条件时，第一设备会通过发送指示信息，告知第二设备如何选择第一比特序列的起始比特的位置。例如，第一设备会通过发送的RRC消息告知第二设备如何选择第一比特序列的起点位置。
在具体实施过程中，该指示信息也可以不包括指示第二设备第一比特序列的起始比特与第二比特序列的结束比特在该编码后的比特序列中的位置连续的信息，例如，当第一传输的时域单元或第二传输的时域单元分别对应满足S710中的第一预设条件或第二预设条件时，第一设备会根据S710中的计算结果确定如何选择第一比特序列的起始比特的位置，并且，此处确定第一比特序列的起始比特在编码后的比特序列中的位置的过程与结果和第一设备保持一致。
S1050，进行多次下行传输。
重复传输在跨时隙边界或上行数据/下行数据切换点时可能会造成时域资源的不连续，导致当前重复传输的实际可用时域单元数目减少，而在用于重复传输的时域资源依旧不变的情况下，会导致实际码率过高，降低当前重复传输的译码正确率。通过方法1000的实施，可选地，第一设备根据计算结果或者预定规则，重新确定第一比特序列的起始比特在编码后的比特序列中的位置，同时，确定第一比特序列与第二比特序列中的至少一个发送参数相等，可以利用更多的DMRS时域单元来提升信道估计的准确性，降低传输的实际码率，即使存在跨时隙边界或上行数据/下行数据切换点的情况，多次重复传输时依然能够保证较好的合并译码的准确性。
图11为一种适用本申请的将多个待传输块合成一个更大的传输块之后进行信道编码并在多个时域单元进行重复传输的示意图。如图11所示，当时域单元为时隙时，将4个时隙的4个第二待编码块合成为一个第一待编码块，其中，4个第二待编码块的比特大小均为320比特，此时，第一待编码块的比特大小为1280比特，对该第一待编码块进行LDPC信道编码和速率匹配，即，对该4个第二待编码块进行统一LDPC信道编码和速率匹配，由此，会获得较好的信道编码增益，之后，在4个时隙内从该LDPC编码和速率匹配后获得的比特序列中进行比特选择和发送。例如：采用1/3的LDPC编码，则比特大小为1280比特的第一待编码块会被编码为3840比特。假定每次传输的码率是1/3，则在每个时隙都会从3840比特的第二待编码块经LDPC编码和速率匹配后的比特序列中依据重复传输的RV0、RV2、RV3、RV1的顺序，且依据1/3的码率选择出1280比特的待编码块分别在一个单独的时隙中进行传输。
图12示出了一种适用本申请的重复传输数据的方法的另一例的示意性流程图。该方法包括：
下文实施例，为区分且不失一般性，用第一设备表示网络设备，第二设备表示终端设 备。
应理解，第一设备和第二设备还可能有其他形式，例如，第一设备与第二设备均可以为网络设备，或，第一设备与第二设备均可以为终端设备，或，第一设备可以为终端设备，第二设备可以为网络设备，此处不做限定。
S1201，进行第一预设条件判断。
可选地，第一设备在初始配置时域资源的过程中，用于重复传输的待编码块由第一设备进行配置，其中，第一设备可以在预设过程中判断第二待编码块中的待编码块的最小比特数是否满足第一预设条件，该第二待编码块中的每个待编码块为一次重复传输的一个时域单元传输的待编码块。
示例地，第一设备在得知该第二待编码块中的待编码块的最小比特数时，会进行条件判断：即：该第二待编码块中的待编码块的最小比特数是否小于或者等于第一预设阈值。
例如，该第二待编码块中的待编码块的最小比特数的大小为2比特，假设第一预设阈值为4，即2＜4。此时，该第二待编码块中的待编码块的最小比特数的大小小于第一预设阈值。
示例地，第一设备在得知该第二待编码块中的待编码块的最小比特数时，会进行条件判断：即：该第二待编码块中的至少两个第二待编码块的比特数之和小于或者等于第二预设阈值。
例如，该第二待编码块中的两个待编码块的比特数之和为3比特，假设第二预设阈值为5，即3＜5，此时，第二待编码块中的至少两个第二待编码块的比特数之和小于第二预设阈值。
S1220，发送第一指示信息。
可选地，当第一设备通过计算得知该第二待编码块中的待编码块的最小比特数的大小小于第三预设阈值时，第一设备会通过发送第一指示信息，告知第二设备确定第一待编码块包括至少两个第二待编码块。例如，该第一指示信息可以承载在DCI中，可以为重复传输时DCI中MCS索引取值为{29-31}，或者DCI中新增一个1比特的字段为RetransRVstart，取值为1。
可选地，当第一设备通过计算得知该第二待编码块中的待编码块的最小比特数的大小小于第三预设阈值时，第一设备会通过发送的指示信息，告知第二设备确定第一待编码块包括至少两个第二待编码块。例如，第一设备会通过发送的RRC消息告知第二设备确定第一待编码块包括至少两个第二待编码块。
S1230，确定第一待编码块包括至少两个第二待编码块
示例地，第二设备在接收第一指示信息后，确定第一待编码块包括至少两个第二待编码块。
示例地，将一次重复传输的4个时隙的4个第二待编码块确定为一个第一待编码块，其中，4个待编码块的比特数的大小均为360比特，第一待编码块的比特数的大小为4个待编码块中任一个待编码块的比特数的大小的4倍，即：第一待编码块的比特数的大小为360*4＝1440比特。
示例地，将一次重复传输的4个时隙的4个第二待编码块确定为一个第一待编码块，其中，4个待编码块的比特数的大小为360比特、420比特、180比特和240比特，第一 待编码块的比特数的大小为4个待编码块的比特数的大小的总和，即：第一待编码块的比特数的大小为360+420+180+240＝1200比特。
示例地，将一次重复传输的4个时隙的4个第二待编码块确定为一个第一待编码块，其中，4个待编码块的比特数的大小为360比特、420比特、180比特和240比特，第一待编码块的比特数的大小为最小的待编码块的比特数的4倍，即：第一待编码块的比特数的大小为180*4＝720比特。
示例地，将一次重复传输的4个时隙的4个第二待编码块确定为一个第一待编码块，其中，4个待编码块的比特数的大小为360比特、420比特、180比特和240比特，第一待编码块的比特数的大小为最大的待编码块的比特数的4倍，即：第一待编码块的比特数的大小为420*4＝1680比特。
S1240，对所述第一待编码块进行信道编码和速率匹配。
示例地，第二设备将第一待编码块通过LDPC编码和速率匹配得到在多个时间单元上发送的序列。
例如，当对第二待编码块进行单独地信道编码与速率匹配时，若4个第二待编码块的比特数均为100比特，初始码率为1/2，通过1/3LDPC信道编码，将得到4个比特数为300比特的第二待编码块，分别按照1/2的码率进行速率匹配，最终分别选取200比特大小的编码后的比特序列在4个slot中进行传输；当对第一待编码块进行信道编码和速率匹配时，第一待编码块的比特数的大小为任一个第二待编码块的比特数的大小的4倍，即：4*100＝400比特，通过1/3LDPC编码，得到1200比特的比特数大小的编码后的比特序列，选取与上述第二待编码块进行单独地信道编码与速率匹配后选取的比特序列相同大小的比特数进行重复传输，即，从1200比特的编码后的比特序列分别选取200比特大小的编码后的比特序列在4个slot中进行传输，此时码率则为1/6。
S1250，进行第二预设条件判断。
可选地，第一设备在初始配置时域资源的过程中，配置的一次重复传输的时域单元传输的比特序列的起点以及长度等基本参数由第一设备进行配置，其中，该配置的一次重复传输包括第一传输与第二传输，第一传输与第二传输承载相同的传输块，第二传输为第一传输前一次的传输，例如，当在一个时隙中，传输跨越了上行数据与下行数据的切换点，会造成第一传输和第二传输在一个时隙内不连续。因此，第一设备可以在预设过程中计算出一次传输是否存在占用至少两个时隙或者在一个时隙内不连续的情况。
可选地，第一设备会根据预设规则，确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续，第一比特序列为第一传输的比特序列，第二比特序列为第二传输的比特序列，其中，第一传输与第二传输承载相同的传输块，第二传输为第一传输前一次的传输，位置连续为第一比特序列与第二比特序列无缝连接，能够从编码后的比特序列中无缝后向的连续选择待发送的比特序列。
可选地，第一设备在得知上述计算结果后，会进行条件判断，即：第一传输的时域单元是否满足第二预设条件，或，第二传输的时域单元是否满足第三预设条件。
举例来说，第二预设条件可以包括第一传输的第一比特序列的实际传输码率是否大于或者等于第一预设阈值，该第一传输的第一比特序列的实际传输码率为配置的用于重复传输的时域单元传输的比特序列的初始码率和第一比值的乘积，该初始码率为配置的一次重 复传输的码率，该第一比值为该配置的一次重复传输的时域单元的数目与该第一传输的时域单元的数目的比值。
例如，该配置的一次重复传输的时域单元的数目为4，第一传输的第一比特序列的初始码率＝0.6，该第一传输的时域单元的数目为10，假设第四预设阈值为1，当第一传输与第二传输的时域单元均不承载DRMS时，第一传输的第一比特序列的实际传输码率＝0.6*14/10＝0.84＜1，此时，第一传输的第一比特序列的实际传输码率小于第四预设阈值；当第一传输的时域单元与第二传输的时域单元均承载一个DRMS时，第一传输的第一比特序列的实际传输码率＝0.6*12/9＝0.8＜1，此时，第一传输的第一比特序列的实际传输码率小于第四预设阈值。
举例来说，该第一传输的时域单元的数目与该配置的一次重复传输的时域单元的数目的比值是否小于或者等于第五预设阈值。
例如，该第一传输的时域单元的数目为12，该配置的一次重复传输的时域单元的数目为14，假设第三预设阈值为1/2，当第一传输的时域单元与第二传输的时域单元不包括DMRS所在的时域单元时，该第一传输的时域单元的数目与该配置的用于重复传输的时域单元的数目的比值＝12/14＝0.857143＞1/2，此时，该第一传输的时域单元的数目与该配置的一次重复传输的时域单元的数目的比值大于第五预设阈值；当DMRS均占一个第一传输的时域单元与第二传输的时域单元时，该第一传输的时域单元的数目与该配置的一次重复传输的时域单元的数目的比值＝11/12＝0.91667＞1/2，此时，该第一传输的时域单元的数目与该配置的一次重复传输的时域单元的数目的比值大于第五预设阈值。
可选地，第一设备在得知上述计算结果后，会进行条件判断，即：第二传输的时域单元的数目是否满足第四预设条件。
具体地，第二传输的第二比特序列的实际码率是否大于或者等于第六预设阈值，第二传输的第二比特序列的实际码率满足该第二传输的第二比特序列的初始码率和比值的乘积，该比值为该一次重复传输的时域单元的数目与第二传输的时域单元的数目的比值。
例如，该一次重复传输的时域单元的数目为14，第二传输的第二比特序列的初始码率为0.6，该第二传输的时域单元的数目为4，假设第六预设阈值为1，当第一传输的时域单元与第二传输的时域单元不包括DMRS所在的时域单元时，第二传输的第二比特序列的实际码率＝0.6*14/4＝2.1>1。此时，第二传输的第二比特序列的实际码率大于第六预设阈值；当DMRS均占一个第一传输的时域单元与第二传输的时域单元时，第二传输的第二比特序列的实际码率＝0.6*12/3＝2.4>1。此时，第二传输的第二比特序列的实际码率大于第六预设阈值。
示例地，该第二传输的时域单元的数目与该用于重复传输的时域单元的数目的比值是否小于或者等于第七预设阈值。
例如，该第二传输的时域单元的数目为2，该一次重复传输的时域单元的数目为14，假设第三阈值为1/2，当第一传输的时域单元与第二传输的时域单元不包括DMRS所在的时域单元时，该第二传输的时域单元的数目与该一次重复传输的时域单元的数目的比值＝2/14＝0.14286<1/2，此时，该第二传输的时域单元的数目与该一次重复传输的时域单元的数目的比值小于第七预设阈值；当DMRS均占一个第一传输的时域单元与第二传输的时域单元时，该第二传输的时域单元的数目与该一次重复传输的时域单元的数目的比值 ＝1/12＝0.08333<1/2，此时，该第二传输的时域单元的数目与该一次重复传输的时域单元的数目的比值小于第七预设阈值。
示例地，第二传输的时域单元的数目与第一传输的时域单元的数目的比值是否小于或者等于第八预设阈值。
例如，该第二传输的时域单元的数目为4，该第一传输的时域单元的数目为10，假设第八预设阈值为1/2，当第一传输的时域单元与第二传输的时域单元不包括DMRS所在的时域单元时，该第二传输的时域单元的数目与该第一传输的时域单元的数目的比值＝4/10＝0.4<1/2，此时，该第二传输的时域单元的数目与该第一传输的时域单元的数目的比值小于第八预设阈值；当DMRS均占一个第一传输的时域单元与第二传输的时域单元时，该第二传输的时域单元的数目与该第一传输的时域单元的数目的比值＝3/9＝0.3333<1/2，此时，该第二传输的时域单元的数目与该第一传输的时域单元的数目的比值小于第八预设阈值。
其中，第一预设阈值至第八预设阈值的取值，可以是预先规定的，如协议定义的，也可以是网络设备配置的；或者，也可以是根据历史通信情况确定的经验值，本申请在此不做限制。
S1260，发送第二指示信息。
可选地，当第一传输的时域单元或第二传输的时域单元分别满足S710中的第一预设条件或第二预设条件时，第一设备会通过发送第二指示信息，告知第二设备第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续，例如，该第二指示信息可以承载在下行控制信息DCI中，可以为重复传输时DCI中MCS索引取值为{28-31}。
可选地，当第一设备通过判断得知该用于重复传输的时域单元存在跨时隙或在一个时隙内不连续的情况，第一设备会通过发送第二指示信息，告知第二设备第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续。例如，第一设备会通过发送的RRC消息告知第二设备如何选择第一比特序列的起点位置。
S1270，确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续。
可选地，第二设备在接收第二指示信息后，确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续，其中，位置连续为第一比特序列与第二比特序列无缝连接，能够从编码后的比特序列中无缝后向的连续选择待发送的比特序列。
可选地，第二设备根据预设规则，确定第二比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续。
第二设备接收第二指示信息后，根据第二指示信息确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续，实现不存在跨时隙或在一个时隙内不连续的情况的重复传输的实际效果。
S1280，进行多次上行传输。
示例地，在进行多次上行传输之后，第一设备在接收S1240中的在多个时间单元上发送的序列，需要4个时隙的比特序列均接收，再做该比特序列相应的信道译码与解调。
由于未给时隙的第二待编码块都是单独的LDPC信道编码，当第二待编码块的比特大 小太小时，会导致信道编码的增益较小。通过确定第一待编码块为至少两个第二该待编码块，对第一待编码块进行信道编码和速率匹配，可以增强信道编码增益，改善传输能力。同时重新确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续，可以降低传输的实际码率，即使存在跨时隙边界或上行数据/下行数据切换点的情况，多次重复传输时依然能够保证较好的合并译码的准确性。
图13示出了一种适用本申请的重复传输数据的方法的另一例的示意性流程图。该方法包括：
下文实施例，为区分且不失一般性，用第一设备表示网络设备，第二设备表示终端设备。
应理解，第一设备和第二设备还可能有其他形式，例如，第一设备与第二设备均可以为网络设备，或，第一设备与第二设备均可以为终端设备，或，第一设备可以为终端设备，第二设备可以为网络设备，此处不做限定。
S1301，进行第一预设条件判断。
示例地，第一设备在初始配置时域资源的过程中，用于重复传输的待编码块由第一设备进行配置，其中，第一设备可以在预设过程中判断第二待编码块中的待编码块的最小比特数是否满足第一预设条件，该第二待编码块中的每个待编码块为用于重复传输的一个时隙单元传输的待编码块。
该第一预设条件的具体形式，可以参考方法1200中的S1210的描述，为了简洁，此处不再赘述。
S1320，发送第一指示信息。
可选地，当第一设备通过计算得知该第二待编码块中的待编码块的最小比特数的大小小于第三预设阈值时，第一设备会通过发送第一指示信息，告知第二设备该第一设备确定第一待编码块包括至少两个第二待编码块。
该第一指示信息的具体形式，可以参考方法1200中的S1220的描述，此处不再赘述。
S1330，确定第一待编码块包括至少两个第二待编码块
示例地，第二设备在接收第一指示信息后，确定第一待编码块包括至少两个第二待编码块。
该第一待编码块包括至少两个第二待编码块的具体形式，可以参考方法1200中的S1230的描述，为了简洁，此处不再赘述。
S1340，对所述第一待编码块进行信道编码和速率匹配。
示例地，第一设备将第一待编码块通过LDPC编码和速率匹配得到在多个时间单元上发送的序列。
该第一待编码块进行信道编码的具体形式，可以参考方法1200中的S1240的描述，为了简洁，此处不再赘述。
S1350，进行第二预设条件判断。
可选地，第一设备会根据预设规则或第二预设条件判断，确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续。
该第二预设条件的具体内容，可以参考方法1200中的S1250的描述，为了简洁，此处不再赘述。
S1360，确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续。
示例地，第一设备确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续。
该第二比特序列的起始比特的位置确定的具体内容，可以参考方法1200中的S1270的描述，为了简洁，此处不再赘述。
S1370，发送第二指示信息。
可选地，当第一传输的时域单元的数目和/或第二传输的时域单元的数目满足S1250中的第二预设条件时，第一设备会通过发送第二指示信息，告知第二设备第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续。
该第二指示信息的具体内容，可以参考方法1200中的S1260的描述，此处不再赘述。
S1380，进行多次下行传输。
示例地，第二设备在接收S1340中的在多个时间单元上发送的序列，需要4个时隙的比特序列均接收，再做该比特序列相应的信道译码与解调。
图14为一种适用本申请的重复传输的方法的另一例的示意性流程图。该方法包括：
下文实施例，为区分且不失一般性，用第一设备表示网络设备，第二设备表示终端设备。
应理解，第一设备和第二设备还可能有其他形式，例如，第一设备与第二设备均可以为网络设备，或，第一设备与第二设备均可以为终端设备，或，第一设备可以为终端设备，第二设备可以为网络设备，此处不做限定。
S1410，进行预设条件判断。
示例地，第一设备在初始配置时域资源的过程中，配置的一次重复传输的时隙单元传输的比特序列的起点以及长度等基本参数由第一设备进行配置，其中，该配置的一次重复传输包括第一传输与第二传输，第一传输与第二传输承载相同的传输块，第二传输为第一传输前一次的传输，也就是说，第二传输为第一传输在时间上相邻，且在时间上先于第一传输。例如，当在一个时隙中，传输跨越了上行数据与下行数据的切换点，会造成第一传输和第二传输在一个时隙内不连续。因此，第一设备可以在预设过程中可以计算出该次传输是否存在占用至少两个时隙或者在一个时隙内不连续的情况。
具体地，第一设备在得知上述计算结果后，会进行条件判断，即：第一传输的时域单元是否满足第一预设条件，或第二传输的时域单元是否满足第二预设条件。具体判断过程可参考S710步骤，为了简洁，此处不再赘述。
S1420，确定第一比特序列与第二比特序列中的至少一个参数相等，
示例地，第一设备与第二设备均会确定第一比特序列与第二比特序列中的至少一个参数相等，其中，所述参数包括：功率，预编码和天线端口。
当第一传输和第二传输占用不同的时隙或者在一个时隙内不连续，会分以两次独立的重复传输的形式进行数据传输。第一传输与第二传输的相关参数配置是相互独立的，接收端会对两次传输的数据进行独立的信道估计，再分别对两次传输的数据进行解调和译码。然而，由于数据被分为两次独立的传输，会导致当接收端对每次传输的数据进行信道估计时，采用的DMRS序列较少，造成信道估计不准确。因此，通过确定第一比特序列和第 二比特序列中的至少一个参数相等，可以在接收到两个比特序列之后，统一进行联合信道估计，以此提高信道估计的准确性，从而，提升两次传输的数据解调和译码的准确性。由于，在实际实现的过程中，因为两次的数据传输是独立的，参数的不一致，依然会导致联合信道估计的失败。例如，当第二次传输的功率发生较大的变化，可能会在第二次传输过程中产生一个相对于第一次传输的随机相位，在估计的信道中耦合了这个随机相位，由于无法消除，导致估计的信道不准确；当发送天线端口不是同一个端口，通过DMRS估计出的信道也会不一致；此外，在数据传输中，两次传输的预编码参数也应相同，有助于接收端做联合信道估计。
S1430，进行多次上行传输。
示例地，第二设备会进行多次上行重复传输。示例地，第一设备会将两次重复传输的比特序列均接收之后，再做比特序列相应的联合信道估计，完成数据解调与译码的操作。
重复传输在跨时隙边界或上行数据/下行数据切换点时可能会造成时域资源的不连续，导致一次重复传输被分为两次独立的重复传输。由于两次独立的重复传输的参数是独立的，会导致对两次重复传输进行独立的信道估计。介于每次信道估计采用的DMRS较少，会降低信道估计的准确性。因此，通过方法1400的实施，可以基于两次重复传输的所有DMRS时域单元，一起做信道估计，相比于每次重复传输中利用当前重复传输的DMRS时域单元进行信道估计，可以利用更多的DMRS时域单元来提升信道估计的准确性，从而提高传输的数据解调和译码的可靠性。
图15为一种适用本申请的重复传输的方法的另一例的示意性流程图。该方法包括：
下文实施例，为区分且不失一般性，用第一设备表示网络设备，第二设备表示终端设备。
应理解，第一设备和第二设备还可能有其他形式，例如，第一设备与第二设备均可以为网络设备，或，第一设备与第二设备均可以为终端设备，或，第一设备可以为终端设备，第二设备可以为网络设备，此处不做限定。
S1510，进行预设条件判断。
示例地，第一设备会进行预设条件判断，具体判断过程可参考S710步骤，为了简洁，此处不再赘述。
S1520，确定第一比特序列与第二比特序列中的至少一个参数相等。
示例地，第一设备与第二设备均会确定第一比特序列与第二比特序列中的至少一个参数相等，其中，所述参数包括：功率，预编码和天线端口。 当第一传输和第二传输占用不同的时隙或者在一个时隙内不连续，会分以两次独立的重复传输的形式进行数据传输。第一传输与第二传输的相关参数配置是相互独立的，接收端会对两次传输的数据进行独立的信道估计，再分别对两次传输的数据进行解调和译码。然而，由于数据被分为两次独立的传输，会导致当接收端对每次传输的数据进行信道估计时，采用的DMRS序列较少，造成信道估计不准确。因此，通过确定第一比特序列和第二比特序列中的至少一个参数相等，可以在接收到两个比特序列之后，统一进行联合信道估计，以此提高信道估计的准确性，从而，提升两次传输的数据解调和译码的准确性。由于，在实际实现的过程中，因为两次的数据传输是独立的，参数的不一致，依然会导致联合信道估计的失败。例如，当第二次传输的功率发生较大的变化，可能会在第二次传输过程中产生一个相对于第一次传输的随 机相位，在估计的信道中耦合了这个随机相位，由于无法消除，导致估计的信道不准确；当发送天线端口不是同一个端口，通过DMRS估计出的信道也会不一致；此外，在数据传输中，两次传输的预编码参数也应相同，有助于接收端做联合信道估计。
S1530，进行多次下行传输。
示例地，第一设备会进行多次下行重复传输。示例地，第二设备会将两次重复传输的比特序列均接收之后，再做比特序列相应的联合信道估计，完成数据解调与译码的操作。
通过确定第一比特序列与第二比特序列中的至少一个发送参数相等，可以基于两次重复传输的所有DMRS时域单元，一起做信道估计，相比于每次重复传输中利用当前重复传输的DMRS时域单元进行信道估计，可以利用更多的DMRS时域单元来提升信道估计的准确性，从而提高传输的数据解调和译码的可靠性。
以上，结合图7至图15详细说明了本申请实施例提供的方法。以下，结合图16至图19详细说明本申请实施例提供的装置。应理解，装置实施例的描述与方法实施例的描述相互对应，因此，未详细描述的内容可以参见上文方法实施例，为了简洁，这里不再赘述。
上述主要从各个交互的角度对本申请实施例提供的方案进行了介绍。可以理解的是，各个网元，例如发射端设备或者接收端设备，为了实现上述功能，其包含了执行各个功能相应的硬件结构和/或软件模块。本领域技术人员应该可以意识到，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，本申请能够以硬件或硬件和计算机软件的结合形式来实现。某个功能究竟以硬件还是计算机软件驱动硬件的方式来执行，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。
本申请实施例可以根据上述方法示例对发射端设备或者接收端设备进行功能模块的划分，例如，可以对应各个功能划分各个功能模块，也可以将两个或两个以上的功能集成在一个处理模块中。上述集成的模块既可以使用硬件的形式实现，也可以使用软件功能模块的形式实现。需要说明的是，本申请实施例中对模块的划分是示意性的，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。下面以使用对应各个功能划分各个功能模块为例进行说明。
图16是本申请实施例提供的通信装置的示意性框图。该通信装置1600包括收发单元1610和处理单元1620。收发单元1610可以实现相应的通信功能，处理单元1610用于进行数据处理。收发单元1610还可以称为通信接口或通信单元。
可选地，该通信装置1600还可以包括存储单元，该存储单元可以用于存储指令和/或数据，处理单元1620可以读取存储单元中的指令和/或数据，以使得通信装置实现前述方法实施例。
该通信装置1600可以用于执行上文方法实施例中终端设备所执行的动作，这时，该通信装置1600可以为终端设备或者可配置于终端设备的部件，收发单元1610用于执行上文方法实施例中终端设备侧的收发相关的操作，处理单元1620用于执行上文方法实施例中终端设备侧的处理相关的操作。
作为一种设计，该通信装置1600用于执行上文图7所示实施例中终端设备所执行的动作，收发单元1610用于：S730、S740；处理单元1620用于：S720、S740。
作为另一种设计，该通信装置1600用于执行上文图10所示实施例中终端设备所执行 的动作，收发单元1610用于：S1040、S1050；处理单元1620用于：S1020。
作为另一种设计，该通信装置1600用于执行上文图12所示实施例中终端设备所执行的动作，收发单元1610用于：S1220、S1260、S1280；处理单元1620用于：S1230、S1240、S1270。
作为另一种设计，该通信装置1600用于执行上文图13所示实施例中终端设备所执行的动作，收发单元1610用于：S1330、S1370、S1380。
作为另一种设计，该通信装置1600用于执行上文图14所示实施例中终端设备所执行的动作，收发单元1610用于：S1430；处理单元1620用于：S1420。
作为另一种设计，该通信装置1600用于执行上文图15所示实施例中终端设备所执行的动作，收发单元1610用于：S1530；处理单元1620用于：S1520。
或者，该通信装置1600可以用于执行上文方法实施例中网络设备所执行的动作，这时，该通信装置1600可以为网络设备或者可配置于网络设备的部件，收发单元1610用于执行上文方法实施例中网络设备侧的收发相关的操作，处理单元1620用于执行上文方法实施例中网络设备侧的处理相关的操作。
作为一种设计，该通信装置1600用于执行上文图7所示实施例中网络设备所执行的动作，收发单元1610用于：S730、S750；处理单元1620用于：S710、S720。
作为一种设计，该通信装置1600用于执行上文图10所示实施例中网络设备所执行的动作，收发单元1610用于：S1040、S1050；处理单元1620用于：S1010、S1020、S1030。
作为一种设计，该通信装置1600用于执行上文图12所示实施例中网络设备所执行的动作，收发单元1610用于：S1220、S1260、S1280；处理单元1620用于：S1210、S1250。
作为另一种设计，该通信装置1600用于执行上文图13所示实施例中网络设备所执行的动作，收发单元1610用于：S1320、S1370、S1380；处理单元1620用于：S1310、S1330、S1340、S1350、S1360。
作为另一种设计，该通信装置1600用于执行上文图14所示实施例中网络设备所执行的动作，收发单元1610用于：S1430；处理单元1620用于：S1410、S1420。
作为另一种设计，该通信装置1600用于执行上文图15所示实施例中网络设备所执行的动作，收发单元1610用于：S1530；处理单元1620用于：S1510、S1520。
应理解，各单元执行上述相应步骤的具体过程在上述方法实施例中已经详细说明，为了简洁，在此不再赘述。
上文实施例中的处理单元1620可以由至少一个处理器或处理器相关电路实现。收发单元1610可以由收发器或收发器相关电路实现。收发单元1610还可称为通信单元或通信接口。存储单元可以通过至少一个存储器实现。
如图17所示，本申请实施例还提供一种通信装置1700。该通信装置1700包括处理器1710，处理器1710与存储器1720耦合，存储器1720用于存储计算机程序或指令和/或数据，处理器1710用于执行存储器1720存储的计算机程序或指令和/或数据，使得上文方法实施例中的方法被执行。
可选地，该通信装置1700包括的处理器1710为一个或多个。
可选地，如图17所示，该通信装置1700还可以包括存储器1720。
可选地，该通信装置1700包括的存储器1720可以为一个或多个。
可选地，该存储器1720可以与该处理器1710集成在一起，或者分离设置。
可选地，如图17所示，该通信装置1700还可以包括收发器1730，收发器1730用于信号的接收和/或发送。例如，处理器1710用于控制收发器1730进行信号的接收和/或发送。
作为一种方案，该通信装置1700用于实现上文方法实施例中由终端设备执行的操作。
例如，处理器1710用于实现上文方法实施例中由终端设备执行的处理相关的操作，收发器1730用于实现上文方法实施例中由终端设备执行的收发相关的操作。
作为另一种方案，该通信装置1700用于实现上文方法实施例中由网络设备执行的操作。
例如，处理器1710用于实现上文方法实施例中由网络设备执行的处理相关的操作，收发器1730用于实现上文方法实施例中由网络设备执行的收发相关的操作。
本申请实施例还提供一种通信装置1800，该通信装置1800可以是终端设备也可以是芯片。该通信装置1800可以用于执行上述方法实施例中由终端设备所执行的操作。
当该通信装置1800为终端设备时，图18示出了一种简化的终端设备的结构示意图。如图18所示，终端设备包括处理器、存储器、射频电路、天线以及输入输出装置。处理器主要用于对通信协议以及通信数据进行处理，以及对终端设备进行控制，执行软件程序，处理软件程序的数据等。存储器主要用于存储软件程序和数据。射频电路主要用于基带信号与射频信号的转换以及对射频信号的处理。天线主要用于收发电磁波形式的射频信号。输入输出装置，例如触摸屏、显示屏，键盘等主要用于接收用户输入的数据以及对用户输出数据。需要说明的是，有些种类的终端设备可以不具有输入输出装置。
当需要发送数据时，处理器对待发送的数据进行基带处理后，输出基带信号至射频电路，射频电路将基带信号进行射频处理后将射频信号通过天线以电磁波的形式向外发送。当有数据发送到终端设备时，射频电路通过天线接收到射频信号，将射频信号转换为基带信号，并将基带信号输出至处理器，处理器将基带信号转换为数据并对该数据进行处理。为便于说明，图18中仅示出了一个存储器和处理器，在实际的终端设备产品中，可以存在一个或多个处理器和一个或多个存储器。存储器也可以称为存储介质或者存储设备等。存储器可以是独立于处理器设置，也可以是与处理器集成在一起，本申请实施例对此不做限制。
在本申请实施例中，可以将具有收发功能的天线和射频电路视为终端设备的收发单元，将具有处理功能的处理器视为终端设备的处理单元。
如图18所示，终端设备包括收发单元1810和处理单元1820。收发单元1810也可以称为收发器、收发机、收发装置等。处理单元1820也可以称为处理器，处理单板，处理模块、处理装置等。
可选地，可以将收发单元1810中用于实现接收功能的器件视为接收单元，将收发单元1810中用于实现发送功能的器件视为发送单元，即收发单元1810包括接收单元和发送单元。收发单元有时也可以称为收发机、收发器、或收发电路等。接收单元有时也可以称为接收机、接收器、或接收电路等。发送单元有时也可以称为发射机、发射器或者发射电路等。
例如，在一种实现方式中，处理单元1820用于执行图7中终端设备侧的处理动作。 例如，处理单元1820用于执行图7中的步骤S720、S740中的处理步骤；收发单元1810用于执行图7中的步骤S730、S750中的收发操作。
例如，在另一种实现方式中，处理单元1820用于执行图10中终端设备侧的处理动作。例如，处理单元1820用于执行图10中的步骤S1020中的处理步骤；收发单元1810用于执行图10中的步骤S1040、S1040中的收发操作。
例如，在另一种实现方式中，处理单元1820用于执行图12中终端设备侧的处理动作。例如，处理单元1820用于执行图12中的步骤S1230、S1240、S1270中的处理步骤；收发单元1810用于执行图12中的步骤S1220、S1260中的收发操作。
例如，在另一种实现方式中，处理单元1820用于执行图13中终端设备侧的处理动作。例如，收发单元1810用于执行图13中的步骤S1320、S1370、S1380中的收发操作。
例如，在另一种实现方式中，处理单元1820用于执行图14中终端设备侧的处理动作。例如，收发单元1810用于执行图14中的步骤S1430中的收发操作。
例如，在另一种实现方式中，处理单元1820用于执行图15中终端设备侧的处理动作。例如，收发单元1810用于执行图15中的步骤S1530中的收发操作。
应理解，图18仅为示例而非限定，上述包括收发单元和处理单元的终端设备可以不依赖于图18所示的结构。
当该通信装置1800为芯片时，该芯片包括收发单元和处理单元。其中，收发单元可以是输入输出电路或通信接口；处理单元可以为该芯片上集成的处理器或者微处理器或者集成电路。
本申请实施例还提供一种通信装置1900，该通信装置1900可以是网络设备也可以是芯片。该通信装置1900可以用于执行上述方法实施例中由网络设备所执行的操作。
当该通信装置1900为网络设备时，例如为基站。图19示出了一种简化的基站架构示意图。基站包括1910部分以及1920部分。1910部分主要用于射频信号的收发以及射频信号与基带信号的转换；1920部分主要用于基带处理，对基站进行控制等。1910部分通常可以称为收发单元、收发机、收发电路、或者收发器等。1920部分通常是基站的控制中心，通常可以称为处理单元，用于控制基站执行上述方法实施例中网络设备侧的处理操作。
1910部分的收发单元，也可以称为收发机或收发器等，其包括天线和射频电路，其中射频电路主要用于进行射频处理。可选地，可以将1910部分中用于实现接收功能的器件视为接收单元，将用于实现发送功能的器件视为发送单元，即1910部分包括接收单元和发送单元。接收单元也可以称为接收机、接收器、或接收电路等，发送单元可以称为发射机、发射器或者发射电路等。
1920部分可以包括一个或多个单板，每个单板可以包括一个或多个处理器和一个或多个存储器。处理器用于读取和执行存储器中的程序以实现基带处理功能以及对基站的控制。若存在多个单板，各个单板之间可以互联以增强处理能力。作为一种可选的实施方式，也可以是多个单板共用一个或多个处理器，或者是多个单板共用一个或多个存储器，或者是多个单板同时共用一个或多个处理器。
例如，在一种实现方式中，1910部分的收发单元用于执行图7所示实施例中由网络设备执行的收发相关的步骤；1920部分用于执行图7所示实施例中由网络设备执行的处 理相关的步骤。
例如，在另一种实现方式中，1910部分的收发单元用于执行图10所示实施例中由网络设备执行的收发相关的步骤；1920部分用于执行图10所示实施例中由网络设备执行的处理相关的步骤。
例如，在另一种实现方式中，1910部分的收发单元用于执行图12所示实施例中由网络设备执行的收发相关的步骤；1920部分用于执行图12所示实施例中由网络设备执行的处理相关的步骤。
例如，在另一种实现方式中，1910部分的收发单元用于执行图13所示实施例中由网络设备执行的收发相关的步骤；1920部分用于执行图13所示实施例中由网络设备执行的处理相关的步骤。
例如，在另一种实现方式中，1910部分的收发单元用于执行图14所示实施例中由网络设备执行的收发相关的步骤；1920部分用于执行图14所示实施例中由网络设备执行的处理相关的步骤。
例如，在另一种实现方式中，1910部分的收发单元用于执行图15所示实施例中由网络设备执行的收发相关的步骤；1920部分用于执行图15所示实施例中由网络设备执行的处理相关的步骤。
应理解，图19仅为示例而非限定，上述包括收发单元和处理单元的网络设备可以不依赖于图19所示的结构。
当该通信装置1900为芯片时，该芯片包括收发单元和处理单元。其中，收发单元可以是输入输出电路、通信接口；处理单元为该芯片上集成的处理器或者微处理器或者集成电路。
本申请实施例还提供一种计算机可读存储介质，其上存储有用于实现上述方法实施例中由终端设备执行的方法，或由网络设备执行的方法的计算机指令。
例如，该计算机程序被计算机执行时，使得该计算机可以实现上述方法实施例中由终端设备执行的方法，或由网络设备执行的方法。
本申请实施例还提供一种包含指令的计算机程序产品，该指令被计算机执行时使得该计算机实现上述方法实施例中由终端设备执行的方法，或由网络设备执行的方法。
本申请实施例还提供一种通信系统，该通信系统包括上文实施例中的网络设备与终端设备。
所属领域的技术人员可以清楚地了解到，为描述方便和简洁，上述提供的任一种通信装置中相关内容的解释及有益效果均可参考上文提供的对应的方法实施例，此处不再赘述。
在本申请实施例中，终端设备或网络设备可以包括硬件层、运行在硬件层之上的操作系统层，以及运行在操作系统层上的应用层。其中，硬件层可以包括中央处理器(central processing unit，CPU)、内存管理单元(memory management unit，MMU)和内存(也称为主存)等硬件。操作系统层的操作系统可以是任意一种或多种通过进程(process)实现业务处理的计算机操作系统，例如，Linux操作系统、Unix操作系统、Android操作系统、iOS操作系统或windows操作系统等。应用层可以包含浏览器、通讯录、文字处理软件、即时通信软件等应用。
本申请实施例并未对本申请实施例提供的方法的执行主体的具体结构进行特别限定， 只要能够通过运行记录有本申请实施例提供的方法的代码的程序，以根据本申请实施例提供的方法进行通信即可。例如，本申请实施例提供的方法的执行主体可以是终端设备或网络设备，或者，是终端设备或网络设备中能够调用程序并执行程序的功能模块。
本申请的各个方面或特征可以实现成方法、装置或使用标准编程和/或工程技术的制品。本文中使用的术语“制品”可以涵盖可从任何计算机可读器件、载体或介质访问的计算机程序。
其中，计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。可用介质(或者说计算机可读介质)例如可以包括但不限于：磁性介质或磁存储器件(例如，软盘、硬盘(如移动硬盘)、磁带)、光介质(例如，光盘、压缩盘(compact disc，CD)、数字通用盘(digital versatile disc，DVD)等)、智能卡和闪存器件(例如，可擦写可编程只读存储器(erasable programmable read-only memory，EPROM)、卡、棒或钥匙驱动器等)、或者半导体介质(例如固态硬盘(solid state disk，SSD)等、U盘、只读存储器(read-only memory，ROM)、随机存取存储器(random access memory，RAM)等各种可以存储程序代码的介质。
本文描述的各种存储介质可代表用于存储信息的一个或多个设备和/或其它机器可读介质。术语“机器可读介质”可以包括但不限于：无线信道和能够存储、包含和/或承载指令和/或数据的各种其它介质。
应理解，本申请实施例中提及的处理器可以是中央处理单元(central processing unit，CPU)，还可以是其他通用处理器、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、分立硬件组件等。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。
还应理解，本申请实施例中提及的存储器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)。例如，RAM可以用作外部高速缓存。作为示例而非限定，RAM可以包括如下多种形式：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(synchlink DRAM，SLDRAM)和直接内存总线随机存取存储器(direct rambus RAM，DR RAM)。
需要说明的是，当处理器为通用处理器、DSP、ASIC、FPGA或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件时，存储器(存储模块)可以集成在处理器中。
还需要说明的是，本文描述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。
在本申请所提供的几个实施例中，应该理解到，所揭露的装置和方法，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是示意性的，例如，上述单元的划分，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。此外，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。
上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实现本申请提供的方案。
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。
在上述实施例中，可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。
当使用软件实现时，可以全部或部分地以计算机程序产品的形式实现。该计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行计算机程序指令时，全部或部分地产生按照本申请实施例所述的流程或功能。计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。例如，计算机可以是个人计算机，服务器，或者网络设备等。计算机指令可以存储在计算机可读存储介质中，或者从一个计算机可读存储介质向另一个计算机可读存储介质传输，例如，计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。关于计算机可读存储介质，可以参考上文描述。
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，可轻易想到的变化或替换，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权利要求和说明书的保护范围为准。

Claims (48)

  1. 一种数据传输的方法，其特征在于，包括：
    确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续，所述第一比特序列为第一传输的比特序列，所述第二比特序列为第二传输的比特序列，其中，所述第一传输与所述第二传输承载相同的传输块，所述第二传输为所述第一传输前一次的传输；
    接收和/或发送所述第一比特序列。
  2. 根据权利要求1所述的方法，所述方法还包括：
    确定所述第一比特序列与所述第二比特序列中的至少一个参数相等；
    所述参数包括：传输功率，预编码和天线端口。
  3. 根据权利要求1或2所述的方法，其特征在于，所述确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续，包括：
    当所述第一传输的时域单元满足第一预设条件时，确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续；或
    当所述第二传输的时域单元满足第二预设条件时，确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续。
  4. 根据权利要求3所述的方法，其特征在于，所述第一预设条件为以下条件中的至少一种：
    所述第一传输的所述第一比特序列的实际传输码率大于或者等于第一预设阈值，以及所述第一传输的时域单元的数目与一次重复传输的时域单元的数目的比值大于第二预设阈值，其中，所述第一传输的所述第一比特序列的实际传输码率为配置的用于重复传输的时域单元传输的比特序列的初始码率和所述第一比值的乘积，所述初始码率为配置的一次重复传输的码率，所述第一比值为所述配置的一次重复传输的时域单元的数目与所述第一传输的时域单元的数目的比值。
  5. 根据权利要求3所述的方法，其特征在于，所述第二预设条件为以下条件中的至少一种：
    所述第二传输的所述第二比特序列的实际传输码率大于或者等于第三预设阈值，以及所述第二传输的时域单元的数目与所述配置的一次重复传输的时域单元的数目的比值小于或者等于第四预设阈值，其中，所述第二传输的所述第二比特序列的实际传输码率为配置的用于重复传输的时域单元传输的比特序列的初始码率与第二比值的乘积，所述初始码率为配置的一次重复传输的码率，所述第二比值为所述第二传输的时域单元的数目与所述配置的一次重复传输的时域单元的数目的比值。
  6. 根据权利要求1至5中任一项所述的方法，其特征在于，所述方法还包括：
    发送指示信息，其中，所述指示信息用于指示所述第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续。
  7. 根据权利要求6所述的方法，其特征在于，所述发送指示信息，包括：
    发送下行控制信息DCI，所述DCI包括所述指示信息。
  8. 根据权利要求6所述的方法，其特征在于，所述发送指示信息，包括：
    发送无线资源控制RRC信令，所述RRC信令包括所述指示信息。
  9. 一种数据传输的方法，其特征在于，包括：
    确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续，所述第一比特序列为第一传输的比特序列，所述第二比特序列为第二传输的比特序列，其中，所述第一传输与所述第二传输承载相同的传输块，所述第二传输为所述第一传输前一次的传输；
    接收和/或发送所述第一比特序列。
  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：
    确定所述第一比特序列与所述第二比特序列中的至少一个参数相等；
    所述参数包括：功率，预编码和天线端口。
  11. 根据权利要求9或10所述的方法，其特征在于，所述方法还包括：
    接收指示信息，其中，所述指示信息用于指示所述第一比特序列的起始比特与第二比特序列的结束比特在所述编码后的比特序列中的位置连续；
    其中，所述确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续，包括：
    根据所述指示信息，确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续。
  12. 根据权利要求11所述的方法，其特征在于，所述接收指示信息，包括：
    接收DCI，所述DCI包括所述指示信息。
  13. 根据权利要求11所述的方法，其特征在于，所述接收指示信息，包括：
    接收RRC信令，所述RRC信令包括所述指示信息。
  14. 一种数据传输的方法，其特征在于，包括：
    确定第一待编码块包括至少两个第二待编码块，所述至少两个第二待编码块中的每个待编码块为用于重复传输的一个时域单元传输的待编码块；
    对所述第一待编码块进行信道编码和速率匹配获得比特序列；
    接收和/或发送所述比特序列。
  15. 根据权利要求14所述的方法，其特征在于，当所述第二待编码块的比特数满足预设条件时，对所述第一待编码块进行信道编码和速率匹配获得比特序列。
  16. 根据权利要求15所述的方法，其特征在于，所述预设条件为所述至少两个第二待编码块中的待编码块的最大比特数小于或者等于第一预设阈值。
  17. 根据权利要求15所述的方法，其特征在于，所述预设条件为所述至少两个第二待编码块的比特数之和小于或者等于第二预设阈值。
  18. 根据权利要求14至17中任一项所述的方法，其特征在于，所述方法还包括：
    发送指示信息，所述指示信息用于指示所述比特序列为所述第一待编码块通过信道编码和速率匹配获得的比特序列。
  19. 根据权利要求18所述的方法，其特征在于，所述发送指示信息，包括：
    发送DCI，所述DCI包括所述指示信息。
  20. 根据权利要求18所述的方法，其特征在于，所述发送指示信息，包括：
    发送RRC信令，所述RRC信令包括所述指示信息。
  21. 一种数据传输的方法，其特征在于，包括：
    接收指示信息，所述指示信息用于指示比特序列为第一待编码块进行信道编码和速率匹配获得的比特序列，其中，所述第一待编码块包括至少两个第二待编码块，所述至少两个第二待编码块中的每个待编码块为用于重复传输的一个时域单元传输的待编码块；
    接收和/或发送所述比特序列；
    根据所述指示信息，对所述比特序列进行信道译码。
  22. 根据权利要求21所述的方法，其特征在于，所述接收指示信息，包括：
    接收DCI，所述DCI包括所述指示信息。
  23. 根据权利要求21所述的方法，其特征在于，所述接收指示信息，包括：
    接收RRC信令，所述RRC信令包括所述指示信息。
  24. 一种用于数据传输的装置，其特征在于，包括：
    处理模块，用于确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续，所述第一比特序列为第一传输的比特序列，所述第二比特序列为第二传输的比特序列，其中，所述第一传输与所述第二传输承载相同的传输块，所述第二传输为所述第一传输前一次的传输；
    收发模块，用于接收和/或发送所述第一比特序列。
  25. 根据权利要求24所述的装置，其特征在于，所述处理模块具体用于：
    确定所述第一比特序列与所述第二比特序列中的至少一个参数相等；
    所述参数包括：功率，预编码和天线端口。
  26. 根据权利要求24或25所述的装置，其特征在于，所述处理模块还具体用于：
    当所述第一传输的时域单元满足第一预设条件时，确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续；或
    当所述第二传输的时域单元满足预设第二条件时，确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续。
  27. 根据权利要求26所述的装置，其特征在于，所述第一传输的所述第一比特序列的实际传输码率大于或者等于第一预设阈值，以及所述第一传输的时域单元的数目与一次重复传输的时域单元的数目的比值大于第二预设阈值，其中，所述第一传输的所述第一比特序列的实际传输码率为配置的用于重复传输的时域单元传输的比特序列的初始码率和所述第一比值的乘积，所述初始码率为配置的一次重复传输的码率，所述第一比值为所述配置的一次重复传输的时域单元的数目与所述第一传输的时域单元的数目的比值。
  28. 根据权利要求26所述的装置，其特征在于，所述第二传输的所述第二比特序列的实际传输码率大于或者等于第三预设阈值，以及所述第二传输的时域单元的数目与所述配置的一次重复传输的时域单元的数目的比值小于或者等于第四预设阈值，其中，所述第二传输的所述第二比特序列的实际传输码率为配置的用于重复传输的时域单元传输的比特序列的初始码率与第二比值的乘积，所述初始码率为配置的一次重复传输的码率，所述第二比值为所述第二传输的时域单元的数目与所述配置的一次重复传输的时域单元的数目的比值。
  29. 根据权利要求24至28中任一项所述的装置，其特征在于，所述收发模块具体用 于：
    发送指示信息，所述指示信息用于指示所述第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续。
  30. 根据权利要求29所述的装置，其特征在于，所述收发模块还具体用于：
    发送DCI，所述DCI包括所述指示信息。
  31. 根据权利要求29所述的装置，其特征在于，所述收发模块还具体用于：
    发送RRC信令，所述RRC信令包括所述指示信息。
  32. 一种用于数据传输的装置，其特征在于，包括：
    处理模块，用于确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续，所述第一比特序列为第一传输的比特序列，所述第二比特序列为第二传输的比特序列，其中，所述第一传输与所述第二传输承载相同的传输块，所述第二传输为所述第一传输前一次的传输；
    收发模块，用于接收和/或发送所述第一比特序列。
  33. 根据权利要求32所述的装置，其特征在于，所述第一比特序列与所述第二比特序列中的至少一个参数相等：
    所述参数包括：功率，预编码和天线端口。
  34. 根据权利要求32或33所述的装置，其特征在于，所述收发模块具体用于：
    接收指示信息，所述指示信息用于指示第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续；
    其中，所述确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续，包括：
    根据所述指示信息，确定第一比特序列的起始比特与第二比特序列的结束比特在编码后的比特序列中的位置连续。
  35. 根据权利要求34所述的装置，其特征在于，所述收发模块还具体用于：
    接收DCI，所述DCI包括所述指示信息。
  36. 根据权利要求34所述的装置，其特征在于，所述收发模块还具体用于：
    接收RRC信令，所述RRC信令包括所述指示信息。
  37. 一种用于数据传输的装置，其特征在于，包括：
    处理模块，用于确定第一待编码块包括至少两个第二待编码块，所述至少两个第二待编码块中的每个待编码块为用于重复传输的一个时域单元传输的待编码块；
    所述处理模块还用于对所述第一待编码块进行信道编码和速率匹配获得比特序列；
    收发模块，用于接收和/或发送所述比特序列。
  38. 根据权利要求37所述的装置，其特征在于，所述处理模块还具体用于：
    当所述第二待编码块的比特数满足预设条件时，对所述第一待编码块进行信道编码和速率匹配获得比特序列。
  39. 根据权利要求38所述的装置，其特征在于，所述处理模块还具体用于：
    当至少两个第二待编码块中的待编码块的最小比特数小于或者等于第一预设阈值时，对所述第一待编码块进行信道编码和速率匹配获得比特序列。
  40. 根据权利要求38所述的装置，其特征在于，所述处理模块还具体用于：
    当所述至少两个第二待编码块的比特数之和小于或者等于第二预设阈值时，对所述第一待编码块进行信道编码和速率匹配获得比特序列。
  41. 根据权利要求37至40中任一项所述的装置，其特征在于，所述收发模块具体用于：
    发送指示信息，所述指示信息用于指示所述比特序列为所述第一待编码块进行信道编码和速率匹配获得的比特序列。
  42. 根据权利要求41所述的装置，其特征在于，所述收发模块还具体用于：
    发送下行控制信息DCI，所述DCI包括所述指示信息。
  43. 根据权利要求41所述的装置，其特征在于，所述收发模块还具体用于：
    发送RRC信令，所述RRC信令包括所述指示信息。
  44. 一种用于数据传输的装置，其特征在于，包括：
    收发模块，用于接收指示信息，所述指示信息用于指示比特序列为第一待编码块进行信道编码和速率匹配获得的比特序列，其中，所述第一待编码块包括至少两个第二待编码块，所述至少两个第二待编码块中的每个待编码块为用于重复传输的一个时域单元传输的待编码块；
    所述收发模块还用于接收和/或发送比特序列；
    处理模块，用于根据所述指示信息，对所述比特序列进行信道译码。
  45. 根据权利要求44所述的装置，其特征在于，所述收发模块具体用于：
    接收下行控制信息DCI，所述DCI包括所述指示信息。
  46. 根据权利要求44所述的装置，其特征在于，所述收发模块具体用于：
    接收RRC信令，所述RRC信令包括所述指示信息。
  47. 一种用于数据传输的装置，其特征在于，包括：
    存储器，用于存储计算机指令；
    处理器，用于执行所述存储器中存储的计算机指令，使得所述用于数据传输的装置执行如权利要求1至8中任一项所述的方法或如权利要求9至13中任一项所述的方法或如权利要求14至20中任一项所述的方法或如权利要求21至23中任一项所述的方法。
  48. 一种计算机可读存储介质，其特征在于，其上存储有计算机程序，所述计算机程序被用于数据传输的装置执行时，使得所述用于数据传输的装置执行如权利要求1至8中任一项所述的方法或如权利要求9至13中任一项所述的方法或如权利要求14至20中任一项所述的方法或如权利要求21至23中任一项所述的方法。
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