WO2014036904A1 - Procédé, système et dispositif pour transmettre et recevoir des informations de transmission - Google Patents

Procédé, système et dispositif pour transmettre et recevoir des informations de transmission Download PDF

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Publication number
WO2014036904A1
WO2014036904A1 PCT/CN2013/082423 CN2013082423W WO2014036904A1 WO 2014036904 A1 WO2014036904 A1 WO 2014036904A1 CN 2013082423 W CN2013082423 W CN 2013082423W WO 2014036904 A1 WO2014036904 A1 WO 2014036904A1
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WO
WIPO (PCT)
Prior art keywords
user equipment
process number
downlink configuration
downlink
tdd uplink
Prior art date
Application number
PCT/CN2013/082423
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English (en)
Chinese (zh)
Inventor
林亚男
沈祖康
Original Assignee
电信科学技术研究院
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Publication of WO2014036904A1 publication Critical patent/WO2014036904A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1822—Automatic repetition systems, e.g. Van Duuren systems involving configuration of automatic repeat request [ARQ] with parallel processes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1835—Buffer management

Definitions

  • a turbo code encoder used for a traffic channel has a code rate of 1/3.
  • the transport block is subjected to code block partitioning to obtain a plurality of smaller code blocks (CBs).
  • CBs code blocks
  • Each CB is independently coded, and the coding sequences of multiple CBs are cascaded to obtain the coding sequence of the TB.
  • the system bit stream, the first parity bit stream, and the second parity bit stream output by the turbo encoder are separately interleaved and sequentially collected by the bit collecting unit.
  • the first interleaved system bit stream is sequentially input to the buffer, and then the interleaved first parity bit stream and the second parity bit stream are alternately input to the buffer, as shown in FIG.
  • LTE Rel-8 version 8
  • HARQ Hybrid Automatic Repeat reQuest
  • the base station In order to support user equipment of different capabilities, for certain levels of user equipment, the user equipment's memory cannot store all bits encoded by a larger code block. Therefore, before the rate matching, the base station first truncates the code sequence in the rate matcher according to the buffer size reported by the user equipment, that is, the number of soft channel bits (truncation)
  • the coding sequence is recorded as the mother code), as shown in Figure 2:
  • the base station performs rate matching based on the truncated mother code, that is, performs puncturing or repetition to obtain a sequence of information to be transmitted, where ⁇ is a CB encoded sequence
  • the length is the length of the mother code corresponding to one CB.
  • the UE (User Equipment) side receives the information transmitted by the base station and performs decoding.
  • the base station determines the length of the mother code in the rate matching process and the size of the storage space corresponding to each code block.
  • the UE determines the number of fixed HARQ processes. If the uplink/downlink configuration of the TDD (Time Division Duplex) on a carrier changes dynamically, the number of corresponding HARQ processes on the carrier will also follow. Dynamic changes. If the length of the mother code in the rate matching and the size of the storage space corresponding to each code block at the UE end dynamically change with the TDD uplink/downlink configuration on the carrier, during the dynamic reconfiguration of the TDD uplink/downlink configuration, the base station is in a period of time.
  • TDD Time Division Duplex
  • the base station determines whether the UE has completed reconfiguration, that is, the base station cannot determine whether the UE works according to the previous TDD uplink/downlink configuration or the new TDD uplink/downlink configuration.
  • the base station determines the length of the mother code in the rate matching according to the number of HARQ processes corresponding to the TDD uplink/downlink configuration, and the UE performs the HARQ process corresponding to the other TDD uplink/downlink configuration. The number determines the length of the mother code in the solution rate matching, and the UE will not be able to decode correctly.
  • the embodiments of the present invention provide a method, system, and device for transmitting and receiving transmission information, which are used to solve the system for dynamically changing TDD uplink/downlink configuration existing in the prior art and for different frequency bands for cross-band carrier aggregation.
  • the understanding of the number of HARQ processes between the network side and the user equipment side is inconsistent, which may cause the user equipment side to fail to correctly decode and affect the downlink transmission performance of the system.
  • the user equipment determines the first process number and the second process number, where the first process number is smaller than the second process number, and the first process number and the second process number are positive integers, and the first process number is used for Determine the carrier for de-rate matching
  • the maximum buffer length of any coded block in the downlink transport block on C is used to determine the number B of downlink decoding blocks that the user equipment can at least store on the carrier C and the decoding failure needs to be stored.
  • the length of any code block in the downlink transport block is stored at least n sb ;
  • the user equipment performs de-rate matching processing on the downlink transport block according to the first process number, and performs decoding processing on the information after the de-rate matching.
  • the network side and the user equipment side understand the number of HARQ processes consistently, so that the user equipment It can decode correctly and improve the downlink transmission performance of the system.
  • the user equipment can store at least B downlink transmission blocks that fail to decode, and store at least n sb bits of information for any coding block in the downlink transport block that needs to be stored for decoding failure.
  • the user equipment determines the first process number for the carrier c, and the method includes: determining, by the user equipment, the first process number according to a protocol agreement; or
  • the user equipment corresponds to the most corresponding TDD uplink/downlink configuration in the TDD uplink/downlink configuration set on the carrier c.
  • the minimum number of processes is selected as the number of the first process, wherein the TDD uplink/downlink configuration set includes at least one TDD uplink/downlink configuration, and the user equipment follows the TDD in any radio frame.
  • One TDD uplink/downlink configuration in the uplink/downlink configuration set works, and the TDD uplink/downlink configuration used in different radio frames is different.
  • the determining, by the user equipment, the number of the second process is performed by the user equipment, where the user equipment determines the number of the second process according to the protocol agreement;
  • the user equipment selects, as the second process number, the maximum number of processes from the maximum number of processes corresponding to each TDD uplink/downlink configuration in the TDD uplink/downlink configuration set on the carrier c, where the TDD uplink/downlink configuration
  • the set includes at least one TDD uplink/downlink configuration, where the user equipment works according to one TDD uplink/downlink configuration in the TDD uplink/downlink configuration set in any radio frame, and uses TDD in different radio frames.
  • the up/down configuration is different.
  • the specific implementation manner of performing de-rate matching processing on the downlink transport block according to the first process number and performing decoding processing on the de-rate matched information may be:
  • the user equipment performs decoding rate matching processing on the transmission information according to the first process number, to obtain coding information corresponding to each coding block in the downlink transmission block;
  • the user equipment performs decoding processing on the coding information corresponding to each coding block in the downlink transport block.
  • the base station determines the first process number, where the first process number is smaller than the second process number, and the first process number and the second process number are positive integers, and the first process number is used to determine rate matching.
  • the second process number is used to determine the number of decoding failed downlink transport blocks that the user equipment can store at least on the carrier c and the downlink that needs to be stored for the decoding failure.
  • the length at which any code block in the transport block is stored at least;
  • the base station performs rate matching processing on the downlink transport block according to the first process number to obtain transmission information, and sends the transmission information to the user equipment.
  • the number of HARQ processes is consistent between the network side and the user equipment side, so that the user equipment can correctly decode and improve the downlink transmission performance of the system.
  • the base station determines the first process number, including:
  • the base station selects a minimum number of processes as the first process number from the maximum number of processes corresponding to each TDD uplink/downlink configuration in the TDD uplink/downlink configuration set of the user equipment on the carrier c, where the TDD is on/
  • the downlink configuration set includes at least one TDD uplink/downlink configuration, and the user equipment follows the TDD in any radio frame.
  • One type of TDD uplink/downlink configuration in the downlink configuration set works, and the TDD uplink/downlink configuration used in different radio frames is different.
  • the second number of processes is agreed by the protocol
  • the second process number is the largest one of the maximum number of processes corresponding to each TDD uplink/downlink configuration in the TDD uplink/downlink configuration set of the user equipment on the carrier c, where the TDD uplink/downlink configuration set
  • the method includes at least one TDD uplink/downlink configuration, where the user equipment works according to one TDD uplink/downlink configuration in the TDD uplink/downlink configuration set in any radio frame, and uses TDD on different radio frames. / Downstream configuration is different.
  • a first determining module configured to determine, by the carrier c, a first process number and a second process number, where the first process number is smaller than the second process number, and the first process number and the second process number are positive integers, where the The number of processes is used to determine the maximum buffer length of any code block in the downlink transport block on the carrier c when the solution rate is matched, and the second process number is used to determine the downlink transmission of the at least decoding failure of the user equipment on the carrier c.
  • the number of blocks B and the decoding failure need to store at least the length n sb of any code block in the downlink transport block stored;
  • the receiving module is configured to perform de-rate matching processing on the downlink transport block according to the first process number, and perform decoding processing on the information after the de-rate matching.
  • the network side and the user equipment side understand the number of HARQ processes consistently, so that the user equipment It can decode correctly and improve the downlink transmission performance of the system.
  • the user equipment can store at least B downlink transmission blocks that fail to decode, and store at least n sb bits of information for any coding block in the downlink transport block that needs to be stored for decoding failure.
  • the specific implementation manners of the first determining module are various, and two of them are exemplified below.
  • the first determining module is specifically configured to:
  • the minimum number of processes is selected as the number of the first process, where the TDD uplink/downlink configuration set includes at least one TDD uplink/downlink configuration, and the user equipment is in any radio frame according to the One TDD uplink/downlink configuration in the TDD uplink/downlink configuration set works, and the TDD uplink/downlink configuration used in different radio frames is different.
  • the first determining module is specifically configured to:
  • the TDD uplink/downlink configuration set includes at least A TDD uplink/downlink configuration, where the user equipment works according to one TDD uplink/downlink configuration in the TDD uplink/downlink configuration set in any radio frame, and uses TDD uplink/downlink configuration in different radio frames. different.
  • the receiving module is specifically configured to:
  • a second determining module configured to determine, for the carrier c, the first process number and the second process number, where the first process number is smaller than the second process number, and the first process number and the second process number are positive integers
  • the first process number is used to determine the maximum buffer length of any coding block in the transport block on the carrier c when the rate is matched
  • the second process number is used to determine the decoding failure downlink transmission that the user equipment can store at least on the carrier c.
  • the number of blocks and the decoding failure require at least the stored length of any coded block in the stored downlink transport block;
  • a sending module configured to perform rate matching processing on the downlink transport block according to the first process number to obtain transmission information, and send the transmission information to the user equipment.
  • the network side and the user equipment side understand the number of HARQ processes consistently, so that the user equipment It can decode correctly and improve the downlink transmission performance of the system.
  • the second determining module is specifically configured to:
  • the minimum number of processes is selected as the number of the first process, where the TDD uplink/downlink configuration set includes at least one TDD uplink/downlink configuration, and the user equipment is in any radio frame according to the One TDD uplink/downlink configuration in the TDD uplink/downlink configuration set works, and the TDD uplink/downlink configuration used in different radio frames is different.
  • the second number of processes is agreed by a protocol; or the second determining module sets the number of the second process, and notifies the user equipment by using high layer signaling; or
  • the number of the second process is the maximum number of processes in the TDD uplink/downlink configuration set corresponding to the TDD uplink/downlink configuration set of the user equipment on the carrier c, and the TDD uplink/downlink configuration set includes at least one of the processes.
  • a TDD uplink/downlink configuration where the user equipment works according to one TDD uplink/downlink configuration in the TDD uplink/downlink configuration set in any radio frame, and uses TDD uplink/downlink configuration in different radio frames. different.
  • a processor configured to determine a first process number and a second process number for the carrier c, where the first process number is smaller than the second process number, and the first process number and the second process number are positive integers,
  • the first number of processes is used to determine The maximum buffer length of any coded block in the downlink transport block on the carrier c when the rate matching is performed, and the second process number is used to determine the number B of decoding downlink blocks that the user equipment can store at least on the carrier c.
  • Decoding failure requires at least a length n sb stored in any one of the stored downlink transport blocks; de-rate matching processing on the downlink transport block according to the first process number, and decoding and decoding the de-rate matched information .
  • Another base station includes: a processor and a radio frequency unit;
  • the processor is configured to determine a first process number for the carrier c, where the first process number is smaller than the second process number, and the first process number and the second process number are positive integers, and the first process number is For determining the maximum buffer length of any coding block in the transport block on the carrier c in rate matching, the second process number is used to determine the number and translation of the decoding failed downlink transport block that the user equipment can store at least on the carrier c.
  • the code fails to store at least the length of any one of the stored blocks in the downlink transport block; the rate matching process is performed on the downlink transport block according to the first process number to obtain the transmission information, and the transmission information is sent to the user equipment by using the radio frequency unit.
  • FIG. 1 is a schematic diagram of a rate matching buffer in the background art
  • FIG. 2 is a schematic diagram of a method for determining a mother code in rate matching in the background art
  • FIG. 3 is a schematic structural diagram of a system for transmitting and receiving transmission information according to an embodiment of the present application
  • FIG. 4 is a schematic structural diagram of a user equipment in a system for transmitting and receiving transmission information according to an embodiment of the present disclosure
  • FIG. 5 is a schematic structural diagram of a base station in a system for transmitting and receiving transmission information according to an embodiment of the present application;
  • FIG. 6 is a schematic flowchart of a method for receiving transmission information according to an embodiment of the present application.
  • FIG. 7 is a schematic flowchart of a method for transmitting transmission information according to an embodiment of the present application.
  • FIG. 8 is a schematic diagram of comparing the throughput gain obtained by calculating the mother code size and the storage space size according to the unified HARQ process number and the throughput gain obtained by the embodiment of the present application.
  • the user equipment in the embodiment of the present application determines the first process number and the second process number, and the base station determines the first process number.
  • the first process number is smaller than the second process number, and the first process number and the second process number are positive integers, and the first process number is used to determine the maximum of any coding block in the downlink transport block on the carrier c when the solution rate is matched.
  • the buffer length, the second process number is used to determine the number B of downlink decoding blocks that the user equipment can store at least on the carrier c, and the length n sb stored in any code block in the downlink transport block that needs to be stored.
  • the user equipment performs de-rate matching processing on the downlink transport block according to the first process number, and decodes the information after the de-rate matching, and the base station transmits the downlink according to the first process number.
  • the output block performs rate matching processing to obtain transmission information, and transmits transmission information to the user equipment.
  • the network side and the user equipment side understand the number of HARQ processes consistently, so that the user equipment It can decode correctly and improve the downlink transmission performance of the system.
  • the system for transmitting and receiving transmission information in this embodiment of the present application includes: a user equipment 10 and a base station 20.
  • the user equipment 10 is configured to determine, according to the carrier c, the first process number and the second process number, perform de-rate matching processing on the downlink transport block according to the first process number, and perform decoding processing on the de-rate matched information;
  • the base station 20 is configured to determine a first process number for the carrier c, perform rate matching processing on the downlink transport block according to the first process number, obtain transmission information, and send the transmission information to the user equipment 10;
  • the first process number is smaller than the second process number, and the first process number and the second process number are positive integers, and the first process number is used to determine the maximum of any coding block in the downlink transport block on the carrier c when the solution rate is matched.
  • the buffer length, the second process number is used to determine the number B of downlink decoding blocks that the user equipment 10 can store at least on the carrier c, and the length of at least one of the code blocks in the downlink transport block that needs to be stored. Sb .
  • the user equipment can store at least B downlink transmission blocks that fail to decode, and store at least n sb bits of information for any coding block in the downlink transport block that needs to be stored for decoding failure.
  • the user equipment 10 and the base station 20 determine the number of the first process in a plurality of ways. The following are listed: Determining the first process number mode 1. The user equipment 10 and the base station 20 determine the first process number according to the protocol agreement.
  • the base station 20 sets the first process number, and notifies the user equipment 10 through the high layer signaling; correspondingly, the user equipment 10 receives the high layer signaling sent by the base station 20 to determine the first process number.
  • the number of first processes set by the base station 20 is a positive integer smaller than the number of second processes and greater than 0.
  • the first process number may be 4. Determining the number of the first process mode.
  • the base station 20 selects the smallest number of processes from the maximum number of processes corresponding to each TDD uplink/downlink configuration in the TDD uplink/downlink configuration set of the user equipment 10 on the carrier c as the first process.
  • the user equipment 10 selects the smallest number of processes as the first number of processes from the maximum number of processes corresponding to each TDD uplink/downlink configuration in the TDD uplink/downlink configuration set on the carrier c;
  • the TDD uplink/downlink configuration set includes at least one TDD uplink/downlink configuration, and the user equipment 10 works according to one TDD uplink/downlink configuration in the TDD uplink/downlink configuration set in any radio frame, and is in different radio frames.
  • the TDD uplink/downlink configuration used in the system is different.
  • the configuration included in the TDD uplink/downlink configuration set may be configured according to a protocol agreement or through high layer signaling.
  • the TDD uplink/downlink configuration set on the carrier c is ⁇ ' ⁇ ''''' ⁇ , where: one of a plurality of TDD uplink/downlink configurations supported by the system (currently, 7 different TDDs are supported in the system) Up/down configuration, see Table 1),
  • the corresponding maximum number of downlink HARQ processes is DL HAR Q .
  • ' ⁇ , ' J that is, each configuration in the TDD uplink/downlink configuration set is different
  • the TDD uplink/downlink configuration set on carrier c is a configuration with an uplink/downlink switching period of 5ms, ie ⁇ configuration 0, configuration 1, configuration 2, configuration 6 ⁇ , the corresponding number of HARQ processes is 4, 10, 6, then the syndrome
  • TDD uplink/downlink configurations are not limited to the above seven TDD uplink/downlink configurations, and other TDD uplink/downlink configurations are also applicable to the embodiments of the present application.
  • the base station 20 uses Equation 1 to determine the storage length corresponding to each coding block in the rate matcher according to the first process number (ie, the mother code length, that is, any of the downlink transmission blocks on the carrier c when the rate matching is performed.
  • the maximum buffer length of the encoded block ie, the mother code length, that is, any of the downlink transmission blocks on the carrier c when the rate matching is performed.
  • Corresponding UE level and downlink transmission mode 9 is configured on the current downlink carrier, which is ue-Category-vlOxy
  • RM is the first process number
  • the user equipment 10 receives the transmission information transmitted by the base station 20 and performs de-rate matching processing on the transmission information.
  • the user equipment 10 uses Equation 1 to determine the storage length (ie, the mother code length) corresponding to each coding block in the de-rate matcher according to the first process number, and then decodes the information after the de-rate matching.
  • the storage length ie, the mother code length
  • the user equipment 10 receives the transmission information after the rate matching of the downlink transport block from the base station. Therefore, the user equipment 10 performs de-rate matching processing on the downlink transport block according to the first process number, which actually refers to performing de-rate matching processing on the transmission information to obtain coding information corresponding to each coding block in the downlink transport block. Specifically, the storage length corresponding to each coding block in the de-rate matcher is determined according to the first process number, and the transmission information is de-rate matched according to the parameter. Correspondingly, the user equipment 10 decodes the information after the de-rate matching, and actually refers to decoding the coding information corresponding to each coding block in the downlink transport block obtained by the de-rate matching.
  • the user equipment 10 and the base station 20 determine the number of the second process in a plurality of ways. The following are listed: Determining the second process number mode 1. The user equipment 10 and the base station 20 determine the second process number according to the protocol agreement.
  • the base station 20 sets the second process number, and notifies the user equipment 10 through the high layer signaling; correspondingly, the user equipment 10 receives the high layer signaling sent by the base station 20 to determine the second process number.
  • the second process number may be 8. Determining the second process number mode.
  • the base station 20 selects the largest number of processes from the maximum number of processes corresponding to each TDD uplink/downlink configuration in the TDD uplink/downlink configuration set of the user equipment 10 on the carrier c as the second process.
  • the number, and the user equipment 10 selects the largest number of processes from the maximum number of processes corresponding to each TDD uplink/downlink configuration in the TDD uplink/downlink configuration set on the carrier c as the second process number;
  • the TDD uplink/downlink configuration set includes at least one TDD uplink/downlink configuration, and the user equipment 10 works according to one TDD uplink/downlink configuration in the TDD uplink/downlink configuration set in any radio frame, and is in different radio frames.
  • Medium The TDD uplink/downlink configuration used is different.
  • the configuration included in the TDD uplink/downlink configuration set may be configured according to a protocol convention or through higher layer signaling.
  • the TDD uplink/downlink configuration set on the carrier c is ⁇ ' ⁇ ''''' ⁇ , where: one of a plurality of TDD uplink/downlink configurations supported by the system (currently, 7 different TDDs are supported in the system) Up/down configuration, see Table 1),
  • the corresponding maximum number of downlink HARQ processes is DL HAR Q .
  • ' ⁇ , ' J that is, each configuration in the TDD uplink/downlink configuration set is different
  • ⁇ HARQ stores m 3 ⁇ 4 X ⁇ ⁇ DL _ HARQ , ⁇ DL HARQ ,..., ⁇ DL HARQ .
  • the TDD uplink/downlink configuration set on the carrier c is a configuration in which the uplink/downlink switching period is 5 ms, that is, ⁇ configuration 0, configuration 1, configuration 2, configuration 6 ⁇ , and the number of corresponding HARQ processes is 4, 7, and 10. 6, then M HAHQ_ s t. Ri ng ⁇ 10 .
  • the user equipment 10 If the decoding of the user equipment 10 fails, the user equipment 10 is at least stored when the decoding failure TB is stored.
  • N corresponds to the level indicated by ue-Category-vlOxy.
  • Number of soft channel bits; otherwise ⁇ / ⁇ is the number of soft channel bits corresponding to the level indicated by ue-Category (UE level corresponding to Rel-8);
  • V d is the number of aggregated carriers.
  • the remaining storage space is less than n_sb bits
  • the user equipment has stored at least B decoding failure TBs
  • the information length of the user equipment storing the TB is less than n sb bits.
  • the remaining storage space is less than n sb bits
  • the user equipment has stored at least B decoding failure TBs
  • the user equipment stores the TB at least n sb bits, and discards part or all of the information of the stored TB.
  • the remaining storage space is less than n sb bits, and the user equipment has stored less than B decoding failure TBs, the user equipment stores at least n sb bits of the TB, and discards part or all of the information of the stored TB.
  • the remaining space is greater than n sb bits, and the user equipment stores at least n sb bits of the TB.
  • the user equipment 10 When the user equipment 10 stores the decoding failure TB, if the storage space is full, the user equipment does not store the TB, or stores the TB, but discards part or all of the information of at least one already stored TB.
  • the method for determining the first process number is as follows: determining the first process number mode 2, determining the first process number mode 3 and determining the second process number mode, determining the second process number mode 2, and determining the second process number mode 3 Any combination, but need to ensure that the number of first processes is less than the number of second processes, and the number of first processes and the number of second processes are positive integers.
  • the above method is applicable not only to the TDD uplink/downlink configuration dynamic change system, but also to the system using cross-band carrier aggregation and different TDD uplink/downlink configurations on different frequency bands.
  • the base station in the embodiment of the present application may be a macro base station, a home base station, or the like, and may also be an RN (relay) device.
  • the user equipment in the system for transmitting and receiving transmission information in the embodiment of the present application includes: a first determining module 400 and a receiving module 410.
  • the first determining module 400 is configured to determine, for the carrier c, the first process number and the second process number, where the first process number is smaller than the second process number, and the first process number and the second process number are positive integers, the first The number of processes is used to determine the maximum buffer length of any coding block in the downlink transport block on the carrier c when the solution rate is matched, and the second process number is used to determine the downlink transmission block of the decoding failure that the user equipment can at least store on the carrier c.
  • the number B and the decoding failure need to store at least the length n sb of any code block in the downlink transport block stored;
  • the receiving module 410 is configured to perform de-rate matching processing on the downlink transport block according to the first process number, and perform decoding processing on the de-rate matched information.
  • the user equipment can store at least B downlink transmission blocks that fail to decode, and store at least n sb bits of information for any coding block in the downlink transport block that needs to be stored for decoding failure.
  • the first determining module 400 determines the first process number according to the protocol agreement; or, the high layer signaling sent by the receiving base station determines the first process number; or, from the TDD uplink/downlink configuration set on the carrier c, each TDD The minimum number of processes corresponding to the upper/downlink configuration is selected as the first number of processes, where the TDD uplink/downlink configuration set
  • the integration includes at least one TDD uplink/downlink configuration, and the user equipment operates in one TDD uplink/downlink configuration in the TDD uplink/downlink configuration set in any radio frame, and the TDD uplink/downlink configuration used in different radio frames different.
  • the first determining module 400 determines the second process number according to the protocol agreement; or, the high layer signaling sent by the receiving base station determines the second process number; or, from the TDD uplink/downlink configuration set on the carrier c, each TDD
  • the maximum number of processes corresponding to the uplink/downlink configuration is selected as the number of the second process.
  • the TDD uplink/downlink configuration set includes at least one TDD uplink/downlink configuration, and the user equipment follows TDD in any radio frame.
  • One TDD uplink/downlink configuration in the uplink/downlink configuration set works, and the TDD uplink/downlink configuration used in different radio frames is different.
  • the receiving module 410 is specifically configured to:
  • the base station in the system for transmitting and receiving transmission information in the embodiment of the present application includes: a second determining module 500 and a sending module 510.
  • the second determining module 500 is configured to determine, according to the carrier c, the first process number, where the first process number is smaller than the second process number, and the first process number and the second process number are positive integers, and the first process number is used to determine The maximum buffer length of any coding block in the transport block on the carrier c when the rate is matched, and the second process number is used to determine the number of decoding failed downlink transport blocks that the user equipment can store at least on the carrier c and the decoding failure needs to be stored. At least the length of any code block in the downlink transport block;
  • the sending module 510 is configured to perform rate matching processing on the downlink transport block according to the first process number to obtain transmission information, and send the transmission information to the user equipment.
  • the second determining module 500 determines the first process number according to the protocol agreement; or sets the first process number, and notifies the user equipment by using the high layer signaling; or the TDD uplink/downlink configuration set from the user equipment on the carrier c.
  • the minimum number of processes corresponding to each TDD uplink/downlink configuration is selected as the first process number, where the TDD uplink/downlink configuration set includes at least one TDD uplink/downlink configuration, and the user equipment is in any wireless.
  • the frame operates according to one of the TDD uplink/downlink configurations in the TDD uplink/downlink configuration set, and the TDD uplink/downlink configuration used in different radio frames is different.
  • the second process number is agreed by the protocol; or the second determining module 500 sets the second process number and notifies the user equipment through high layer signaling; or, the second process number is the TDD of the user equipment on the carrier c/
  • the maximum number of processes in the TDD uplink/downlink configuration set includes at least one TDD uplink/downlink configuration, and the user equipment is configured in any radio frame according to the maximum number of processes in the TDD uplink/downlink configuration.
  • One TDD uplink/downlink configuration in the TDD uplink/downlink configuration set works, and the TDD uplink/downlink configuration used in different radio frames is different.
  • a method for transmitting transmission information is also provided in the embodiment of the present application, because the method The principle of solving the problem is similar to the system of the embodiment of the present application. Therefore, the implementation of the method can be referred to the implementation of the system, and the repeated description is not repeated.
  • the method for receiving transmission information in the embodiment of the present application includes the following steps:
  • Step 601 For the carrier c, the user equipment determines the first process number and the second process number, where the first process number is smaller than the second process number, and the first process number and the second process number are positive integers, and the first process number is used.
  • the second process number is used to determine the number B of decoding downlink blocks that the user equipment can store at least on the carrier c. Decoding failure requires at least the stored length n sb of any code block in the stored downlink transport block;
  • Step 602 The user equipment performs de-rate matching processing on the downlink transport block according to the first process number, and performs decoding processing on the information after the de-rate matching.
  • the user equipment can store at least B downlink transmission blocks that fail to decode, and store at least n sb bits of information for any coding block in the downlink transport block that needs to be stored for decoding failure.
  • the user equipment determines the first process number, including:
  • the user equipment determines the number of the first process according to the agreement of the agreement; or,
  • the user equipment receives the high layer signaling sent by the base station to determine the first process number
  • the user equipment selects the smallest number of processes from the maximum number of processes corresponding to each TDD uplink/downlink configuration in the TDD uplink/downlink configuration set on the carrier c as the first process number, where the TDD uplink/downlink configuration set includes at least A TDD uplink/downlink configuration, in which the user equipment works in one TDD uplink/downlink configuration in the TDD uplink/downlink configuration set in any radio frame, and the TDD uplink/downlink configuration used in different radio frames is different.
  • the user equipment determines the second process number, including:
  • the user equipment determines the number of the second process according to the agreement of the agreement.
  • the user equipment receives the high layer signaling sent by the base station to determine the number of the second process
  • the user equipment selects the largest number of processes from the maximum number of processes corresponding to each TDD uplink/downlink configuration in the TDD uplink/downlink configuration set on the carrier c as the second process number, where the TDD uplink/downlink configuration set includes at least A TDD uplink/downlink configuration, in which the user equipment works in one TDD uplink/downlink configuration in the TDD uplink/downlink configuration set in any radio frame, and the TDD uplink/downlink configuration used in different radio frames is different.
  • step 602 may be: the user equipment receives the transmission information sent by the base station;
  • the user equipment performs decoding rate matching processing on the transmission information according to the first process number, to obtain coding information corresponding to each coding block in the downlink transmission block;
  • the user equipment performs decoding processing on the encoded information corresponding to the downlink transport block.
  • a method for transmitting transmission information is also provided in the embodiment of the present application.
  • the principle of solving the problem is similar to the system in the embodiment of the present application. Therefore, the implementation of the method can refer to the implementation of the system. The details are not repeated here.
  • the method for transmitting transmission information in this embodiment of the present application includes the following steps:
  • Step 701 The base station determines the first process number, where the first process number is smaller than the second process number, and the first process number and the second process number are positive integers, and the first process number is used to determine the carrier of the rate matching.
  • the maximum buffer length of any coding block in the transport block on c, the second process number is used to determine the number of decoding failed downlink transport blocks that the user equipment can store at least on the carrier c and the downlink transport block that needs to be stored in the decoding failure.
  • the base station performs rate matching processing on the downlink transport block according to the first process number to obtain transmission information, and sends the transmission information to the user equipment.
  • the base station determines the first process number, including:
  • the base station determines the first process number according to the protocol agreement
  • the base station sets the first process number, and notifies the user equipment by using high layer signaling; or
  • the base station selects the smallest number of processes from the maximum number of processes corresponding to each TDD uplink/downlink configuration in the TDD uplink/downlink configuration set of the user equipment on the carrier c as the first process number, where the TDD uplink/downlink configuration set is used. At least one TDD uplink/downlink configuration is included, and the user equipment works according to one TDD uplink/downlink configuration in the TDD uplink/downlink configuration set in any radio frame, and the TDD uplink/downlink configuration used in different radio frames is different.
  • the second number of processes is agreed by the agreement.
  • the base station sets the second process number, and notifies the user equipment by using high layer signaling;
  • the second process number is the largest one of the maximum number of processes corresponding to each TDD uplink/downlink configuration in the TDD uplink/downlink configuration set of the user equipment on the carrier c, where the TDD uplink/downlink configuration set includes at least one
  • the user equipment works in one TDD uplink/downlink configuration in the TDD uplink/downlink configuration set in any radio frame, and the TDD uplink/downlink configuration used in different radio frames is different.
  • the manner in which the user equipment and the base station determine the first process number needs to be consistent.
  • the processor is configured to determine a first process number and a second process number for the carrier c, where the first process number is smaller than the second process number, and the first process number and the second process number are positive integers, where The first process number is used to determine a maximum buffer length of any coding block in the downlink transport block on the carrier c when the solution rate is matched, and the second process number is used to determine that the user equipment on the carrier c can at least store the decoding failure.
  • the number of downlink transport blocks B and the decoding failure need to store at least the length n sb of any coded block in the downlink transport block; perform de-rate matching processing on the downlink transport block according to the first process number, and decode the rate The matched information is decoded.
  • Another base station includes: a processor and a radio frequency unit;
  • the processor is configured to determine a first process number for the carrier c, where the first process number is smaller than the second process number, and the first process number and the second process number are positive integers, and the first process number is Used to determine the carrier for rate matching
  • the maximum buffer length of any coding block in the transport block on C, the second process number is used to determine the number of decoding failed downlink transport blocks that the user equipment can store at least on the carrier C, and the downlink transmission that needs to be stored for the decoding failure.
  • the method of calculating the size of the mother code and the size of the storage space according to the unified HARQ process number of the UE end and the base station end can bring significant effects.
  • the UE and the base station calculate the mother code size and storage space according to the number of unified HARQ processes:
  • the number of selected HARQ processes is small, the number of allocated storage spaces is too small, and some TB decoding cannot be stored after decoding, so that the HARQ combining gain cannot be obtained, and system performance is degraded.
  • the probability of decoding failure is reduced, and the downlink throughput is increased.
  • the solution of the embodiment of the present application can significantly reduce the failure of the transmission block decoding but cannot be stored by the user equipment.
  • the probability that the decoding block that fails to decode can perform HARQ combining to improve the downlink throughput.
  • embodiments of the present application can be provided as a method, system, or computer program product.
  • the application can be in the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware.
  • the application can be in the form of a computer program product embodied on one or more computer-usable storage interfaces (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer usable program code.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory include instructions.
  • the manufacturing device, the instruction device implements the functions specified in one or more blocks of a flow or a flow and/or a block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

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

Abstract

Conformément à des modes de réalisation, la présente invention se rapporte au domaine des technologies de communication sans fil, et concerne, en particulier, un procédé, un système et un dispositif pour transmettre et recevoir des informations de transmission, qui sont utilisées pour résoudre le problème dans l'état antérieur de la technique selon lequel il existe une compréhension contradictoire pour le nombre des processus HARQ entre un côté réseau et un côté équipement utilisateur de telle sorte que le résultat de décodage est incorrect du côté équipement utilisateur. Le procédé décrit par le mode de réalisation de l'invention comprend les opérations suivantes : l'équipement utilisateur détermine un premier nombre de processus et un second nombre de processus, effectue une désadaptation de débit sur le bloc de transmission en liaison descendante selon le premier nombre de processus et le décode, le premier nombre de processus étant inférieur au second nombre de processus, le premier nombre de processus étant utilisé pour déterminer la longueur de cache maximale de n'importe quel bloc de codage dans des blocs de transmission en liaison descendante sur une porteuse lors d'une désadaptation de débit, le second nombre de processus étant utilisé pour déterminer au moins le nombre de stockage de blocs de transmission en liaison descendante décodés de manière non réussie dans l'équipement utilisateur sur la porteuse, et au moins la longueur de stockage de n'importe quel bloc de codage dans des blocs de transmission en liaison descendante qui est stockée si le décodage n'est pas réussi. L'adoption des modes de réalisation de l'invention permet à l'équipement utilisateur de décoder correctement.
PCT/CN2013/082423 2012-09-07 2013-08-28 Procédé, système et dispositif pour transmettre et recevoir des informations de transmission WO2014036904A1 (fr)

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WO2017075825A1 (fr) * 2015-11-06 2017-05-11 广东欧珀移动通信有限公司 Procédé destiné au stockage de données, dispositif terminal et station de base
CN107888330B (zh) 2016-09-30 2022-04-05 华为技术有限公司 一种数据传输的方法和装置
WO2018205255A1 (fr) * 2017-05-12 2018-11-15 南通朗恒通信技术有限公司 Procédé et appareil de prise en charge de demande de répétition automatique hybride dans un équipement utilisateur et station de base
CN114944886B (zh) * 2018-04-16 2024-05-17 华为技术有限公司 速率匹配的方法和装置，以及解速率匹配的方法和装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101686116A (zh) * 2008-09-23 2010-03-31 大唐移动通信设备有限公司 预留混合自动重传请求进程指示方法、系统及设备
CN101753282A (zh) * 2008-12-22 2010-06-23 大唐移动通信设备有限公司 一种进程缓存的配置和处理的方法及系统
WO2010144245A1 (fr) * 2009-06-08 2010-12-16 Research In Motion Limited Gestion de processus harq pour agrégation de porteuses et mappage entre processus harq et ressources de transmission

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101686116A (zh) * 2008-09-23 2010-03-31 大唐移动通信设备有限公司 预留混合自动重传请求进程指示方法、系统及设备
CN101753282A (zh) * 2008-12-22 2010-06-23 大唐移动通信设备有限公司 一种进程缓存的配置和处理的方法及系统
WO2010144245A1 (fr) * 2009-06-08 2010-12-16 Research In Motion Limited Gestion de processus harq pour agrégation de porteuses et mappage entre processus harq et ressources de transmission

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CATT: "Discussion on Soft Buffer Limitation Tests for TDD", 3GPP TSG-RAN WG4 MEETING #62BIS R4-121275, 30 March 2012 (2012-03-30), pages 9 - 10 *

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