WO2022027662A1 - Procédé, appareil et système de planification de données - Google Patents

Procédé, appareil et système de planification de données Download PDF

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Publication number
WO2022027662A1
WO2022027662A1 PCT/CN2020/107974 CN2020107974W WO2022027662A1 WO 2022027662 A1 WO2022027662 A1 WO 2022027662A1 CN 2020107974 W CN2020107974 W CN 2020107974W WO 2022027662 A1 WO2022027662 A1 WO 2022027662A1
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field
harq
indicate
delay
data
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PCT/CN2020/107974
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English (en)
Chinese (zh)
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苏俞婉
李军
杨育波
罗之虎
金哲
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华为技术有限公司
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Priority to PCT/CN2020/107974 priority Critical patent/WO2022027662A1/fr
Publication of WO2022027662A1 publication Critical patent/WO2022027662A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems

Definitions

  • the present application relates to the field of communications, and in particular, to a data scheduling method, apparatus, and system.
  • eMTC enhanced machine type communication
  • HARQ hybrid automatic repeat request
  • MTC machine physical downlink control channel
  • DCI downlink control information
  • PDSCH physical downlink shared channel
  • HARQ-ACK hybrid automatic repeat request-acknowledgement
  • the time delay between the MPDDCH subframe where the PDSCH is scheduled to the PDSCH subframe is fixed at 2 subframes, which may cause waste of resources.
  • M0 to M9 are MPDCCH subframes for scheduling PDSCH
  • D0 to D9 are PDSCH subframes scheduled by M0 to M9 respectively.
  • A0 to A3 are PUCCH subframes for feeding back whether the transmission of D0 to D9 is successful. It can be seen from FIG. 1 that subframe 0 and subframe 1 are not used for data transmission, and subframe 10 and subframe 11 are not used for downlink control information transmission, thus causing waste of resources.
  • the embodiments of the present application provide a data scheduling method, device, and system, which can improve resource utilization.
  • a data scheduling method is provided. The method is applied to a system in which N HARQ processes are activated, where N is a positive integer greater than or equal to 14.
  • the network device determines the first scheduling delay, the first scheduling delay is the delay for scheduling the first data with the downlink control information corresponding to the first HARQ process, and the first HARQ process is any HARQ process among the N HARQ processes .
  • the network device sends a first field to the terminal device, where the first field is used to indicate the first scheduling delay, and when the N HARQ processes are deactivated, the first field can be used to indicate any one of the following: data repetition times; HARQ-ACK delay for HARQ-ACK confirmation; or, frequency hopping flag.
  • the first HARQ process is any HARQ process among the N HARQ processes
  • the network device can determine the time delay for scheduling the first data by the downlink control information corresponding to the first HARQ process, that is, the network The device can determine the scheduling delay corresponding to any HARQ process.
  • the network device can flexibly determine any HARQ process
  • the corresponding scheduling delay for example, the scheduling delay corresponding to any HARQ process may be 2 subframes or 7 subframes, which can be comprehensively considered in the data scheduling process to improve resource utilization.
  • the number of repetitions of data, the HARQ-ACK delay, or the frequency hopping flag field may be multiplexed to indicate the scheduling delay, so that no additional bits need to be added to indicate the scheduling delay, saving signaling overhead.
  • the HARQ-ACK delay field compared with the prior art for reinterpreting both the HARQ-ACK delay field and the HARQ-ID field, in this application, only the repetition times of the data, the HARQ-ACK delay, or the frequency hopping flag field are required. A field in the reinterpretation is performed, which has less impact on the communication protocol.
  • the first scheduling delay is 2 time units or 7 time units. Based on this solution, taking the time unit as a subframe as an example, the network device can determine that the scheduling delay corresponding to any HARQ process is 2 subframes or 7 subframes, compared with the corresponding HARQ process 0 to HARQ process 9 in the prior art The scheduling delay is fixed at 2 subframes, so that PDCCHs corresponding to HARQ process 0 to HARQ process 9 can flexibly schedule PDSCH, thereby improving resource utilization in the scheduling process.
  • the first field when N HARQ processes are deactivated, can be used to indicate the number of repetitions of data; when N HARQ processes are activated, the first field can also be used to indicate the number of repetitions of the first data .
  • the repetition times field of the multiplexed data indicates the first scheduling time delay, and may also indicate the repetition times of the first data, which saves signaling overhead and ensures the integrity of the solution.
  • the present application only needs to reinterpret the repetition times field of the data, which has less impact on the communication protocol.
  • the HARQ-ACK delay field is not multiplexed in this scheme, there are still 8 or more possibilities for the HARQ-ACK delay.
  • the HARQ-ACK delay can be improved flexibility.
  • the first field is used to indicate the first scheduling delay, which may include: the first state of the first field is used to indicate the first scheduling delay; the first field is also used to indicate the repetition of the first data
  • the number of times may include: the first state of the first field is further used to indicate the number of repetitions of the first data. That is, the first state of the first field may indicate both the first scheduling delay and the number of repetitions of the first data.
  • the first field is used to indicate the first scheduling delay, and may include: M high-order bits of the first field are used to indicate the first scheduling delay; the first field is also used to indicate the first data
  • the number of repetitions may include: the L lower-order bits of the first field are used to indicate the repetition times of the first data; or, the first field is used to indicate the first scheduling delay, and may include: the M lower-order bits of the first field are used for is used to indicate the first scheduling delay; the first field is also used to indicate the number of repetitions of the first data, which may include: L high-order bits of the first field are used to indicate the number of repetitions of the first data.
  • M and L are positive integers.
  • M above is equal to one and L is equal to one.
  • the sum of M and L is equal to the number of bits included in the first field.
  • the number of repetitions of the first data is 1, 2, or 4.
  • the first field when the N HARQ processes are deactivated, can be used to indicate the HARQ-ACK delay; when the N HARQ processes are activated, the first field is also used to indicate the first HARQ-ACK ACK delay, the first HARQ-ACK delay is the delay of the first HARQ-ACK information relative to the first data, and the first HARQ-ACK information is used to feed back whether the first data is successfully transmitted.
  • the first scheduling delay is indicated in the multiplexed HARQ-ACK delay field, and the first HARQ-ACK delay can also be indicated, which saves signaling overhead and ensures the integrity of the solution.
  • only the HARQ-ACK delay field needs to be reinterpreted in this application, which has less impact on the communication protocol.
  • the first field is used to indicate the first scheduling delay, which may include: the second state of the first field is used to indicate the first scheduling delay; the first field is also used to indicate the first HARQ-ACK
  • the delay may include: the second state of the first field is also used to indicate the first HARQ-ACK delay. That is, the second state of the first field may indicate both the first scheduling delay and the first HARQ-ACK delay.
  • the first field is used to indicate the first scheduling delay, which may include: the X high-order bits of the first field are used to indicate the first scheduling delay; the first field is also used to indicate the first HARQ-
  • the ACK delay may include: the Y low-order bits of the first field are used to indicate the first HARQ-ACK delay; or, the first field is used to indicate the first scheduling delay, and may include: the X low-order bits of the first field
  • the bit is used to indicate the first scheduling delay; the first field is also used to indicate the first HARQ-ACK delay, which may include: Y high-order bits of the first field are used to indicate the first HARQ-ACK delay, X, Y is a positive integer.
  • X is equal to 1 and Y is equal to 2 above.
  • the sum of X and Y is equal to the number of bits included in the first field.
  • the first HARQ-ACK delay is N time units, where N is 4, 7, 10, or 13.
  • the first field when the N HARQ processes are deactivated, can be used to indicate a frequency hopping flag; when the N HARQ processes are activated, the first field can be used to indicate the first frequency hopping flag, The first frequency hopping flag is used to indicate whether all repeated transmissions of the first data are located in the same frequency domain resource.
  • the multiplexing frequency hopping flag field indicates the first scheduling delay
  • the first frequency hopping flag can also be indicated, which saves signaling overhead and ensures the integrity of the solution.
  • only the frequency hopping flag field needs to be reinterpreted in this application, which has less impact on the communication protocol.
  • the HARQ-ACK delay field is not multiplexed in this scheme, there are still 8 or more possibilities for the HARQ-ACK delay.
  • the HARQ-ACK delay can be improved flexibility.
  • the first field is used to indicate the first scheduling delay, which may include: the third state of the first field is used to indicate the first scheduling delay; the first field is also used to indicate the first frequency hopping flag , which may include: the third state of the first field is also used to indicate the first frequency hopping flag. That is to say, the second state of the first field may indicate both the first scheduling delay and the first frequency hopping flag. Based on this solution, joint indication of the first scheduling delay and the first frequency hopping flag can be realized.
  • the data scheduling method may further include: the network device sends a second field to the terminal device, where the second field is used to indicate a second HARQ-ACK delay, and the second HARQ-ACK delay is the first HARQ-ACK delay.
  • the delay of the second HARQ-ACK information relative to the first data, the second HARQ-ACK information is used to feedback whether the transmission of the first data is successful, the second HARQ-ACK delay is J time units, and J is 4, 5, 6, 7, 8, 9, 11 or 13.
  • the data scheduling method may further include: the network device sends a third field to the terminal device, where the third field is used to indicate an identifier (identifier, ID) of the first HARQ process, so as to notify the terminal device of this time HARQ process used for scheduling.
  • the network device sends a third field to the terminal device, where the third field is used to indicate an identifier (identifier, ID) of the first HARQ process, so as to notify the terminal device of this time HARQ process used for scheduling.
  • sending the first field by the network device to the terminal device may include: the network device sending downlink control information DCI to the terminal device, where the DCI includes the first field.
  • the scheduling delay is indicated in the repetition times field or the frequency hopping flag field of the multiplexed data, and the DCI includes the first field, the second field, and the third field.
  • the scheduling delay is indicated in the multiplexed HARQ-ACK delay field, and the first field and the third field are included in the DCI.
  • the scheduling delay is indicated in the repetition times field or the frequency hopping flag field of the multiplexed data
  • the scheduling delay can be determined according to the first field
  • the HARQ-ACK delay can be determined through the second field
  • the identifier of the HARQ process is determined through the third field, so as to determine the location of the PDSCH and HARQ-ACK resources for subsequent transmission.
  • the scheduling delay is indicated in the Multiplexed HARQ-ACK delay field.
  • the scheduling delay and HARQ-ACK delay can be determined according to the first field, and the identifier of the HARQ process can be determined through the third field, thereby determining the PDSCH and HARQ-ACK resources. location for subsequent transfers.
  • a data scheduling method is provided.
  • the method is applied to a system in which N HARQ processes are activated, where N is a positive integer greater than or equal to 14.
  • the terminal device receives the first field from the network device, the first field is used to indicate the first scheduling delay, and then the terminal device determines the first scheduling delay according to the first field, and deactivates the N HARQ processes , the first field can be used to indicate any one of the following: the number of repetitions of the data; the HARQ-ACK delay for HARQ-ACK acknowledgement of the hybrid automatic repeat request; or, the frequency hopping flag.
  • the first scheduling delay is the delay for scheduling the first data with the downlink control information corresponding to the first HARQ process
  • the first HARQ process is any HARQ process among the N HARQ processes.
  • the first scheduling delay is 2 time units or 7 time units.
  • the first field when N HARQ processes are deactivated, can be used to indicate the number of repetitions of data; when N HARQ processes are activated, the first field can also be used to indicate the number of repetitions of the first data .
  • the first field is used to indicate the first scheduling delay, which may include: the first state of the first field is used to indicate the first scheduling delay; the first field is also used to indicate the repetition of the first data
  • the number of times may include: the first state of the first field is further used to indicate the number of repetitions of the first data. That is, the first state of the first field may indicate both the first scheduling delay and the number of repetitions of the first data.
  • the first field is used to indicate the first scheduling delay, and may include: M high-order bits of the first field are used to indicate the first scheduling delay; the first field is also used to indicate the first data
  • the number of repetitions may include: the L lower-order bits of the first field are used to indicate the repetition times of the first data; or, the first field is used to indicate the first scheduling delay, and may include: the M lower-order bits of the first field are used for is used to indicate the first scheduling delay; the first field is also used to indicate the number of repetitions of the first data, which may include: L high-order bits of the first field are used to indicate the number of repetitions of the first data.
  • M and L are positive integers.
  • M above is equal to one and L is equal to one.
  • the sum of M and L is equal to the number of bits included in the first field.
  • the number of repetitions of the first data is 1, 2, or 4.
  • the first field can be used to indicate the HARQ-ACK delay; when the N HARQ processes are activated, the first field is also used to indicate the first HARQ-ACK ACK delay, the first HARQ-ACK delay is the delay of the first HARQ-ACK information relative to the first data, and the first HARQ-ACK information is used to feed back whether the first data is successfully transmitted.
  • the first field is used to indicate the first scheduling delay, which may include: the second state of the first field is used to indicate the first scheduling delay; the first field is also used to indicate the first HARQ-ACK
  • the delay may include: the second state of the first field is also used to indicate the first HARQ-ACK delay. That is, the second state of the first field may indicate both the first scheduling delay and the first HARQ-ACK delay.
  • the first field is used to indicate the first scheduling delay, which may include: the X high-order bits of the first field are used to indicate the first scheduling delay; the first field is also used to indicate the first HARQ-
  • the ACK delay may include: the Y low-order bits of the first field are used to indicate the first HARQ-ACK delay; or, the first field is used to indicate the first scheduling delay, and may include: the X low-order bits of the first field
  • the bit is used to indicate the first scheduling delay; the first field is also used to indicate the first HARQ-ACK delay, which may include: Y high-order bits of the first field are used to indicate the first HARQ-ACK delay, X, Y is a positive integer.
  • X is equal to 1 and Y is equal to 2 above.
  • the sum of X and Y is equal to the number of bits included in the first field.
  • the first HARQ-ACK delay is N time units, where N is 4, 7, 10, or 13.
  • the first field when the N HARQ processes are deactivated, can be used to indicate a frequency hopping flag; when the N HARQ processes are activated, the first field can be used to indicate the first frequency hopping flag, The first frequency hopping flag is used to indicate whether all repeated transmissions of the first data are located in the same frequency domain resource.
  • the first field is used to indicate the first scheduling delay, which may include: the third state of the first field is used to indicate the first scheduling delay; the first field is also used to indicate the first frequency hopping flag , which may include: the third state of the first field is also used to indicate the first frequency hopping flag. That is to say, the second state of the first field may indicate both the first scheduling delay and the first frequency hopping flag.
  • the data scheduling method may further include: the network device sends a second field to the terminal device, where the second field is used to indicate a second HARQ-ACK delay, and the second HARQ-ACK delay is the first HARQ-ACK delay.
  • the delay of the second HARQ-ACK information relative to the first data, the second HARQ-ACK information is used to feedback whether the transmission of the first data is successful, the second HARQ-ACK delay is J time units, and J is 4, 5, 6, 7, 8, 9, 11 or 13.
  • the data scheduling method may further include: the terminal device receives a third field from the network device, where the third field is used to indicate an identifier (identifier, ID) of the first HARQ process, so as to notify the terminal device of this HARQ process used for secondary scheduling.
  • the terminal device receives a third field from the network device, where the third field is used to indicate an identifier (identifier, ID) of the first HARQ process, so as to notify the terminal device of this HARQ process used for secondary scheduling.
  • the terminal device receiving the first field from the network device may include: the terminal device receiving downlink control information DCI from the network device, where the DCI includes the first field.
  • the scheduling delay is indicated in the repetition times field or the frequency hopping flag field of the multiplexed data, and the DCI includes the first field, the second field, and the third field.
  • the scheduling delay is indicated in the multiplexed HARQ-ACK delay field, and the first field and the third field are included in the DCI.
  • a communication apparatus for implementing the above-mentioned various methods.
  • the communication device may be the network device in the first aspect, or a device including the network device, or a device included in the network device, such as a chip; or, the communication device may be the terminal device in the second aspect, Or a device including the above-mentioned terminal equipment, or a device included in the above-mentioned terminal equipment, such as a chip.
  • the communication device includes corresponding modules, units, or means (means) for implementing the above method, and the modules, units, or means may be implemented by hardware, software, or by executing corresponding software in hardware.
  • the hardware or software includes one or more modules or units corresponding to the above functions.
  • a communication device comprising: a processor and a memory; the memory is used for storing computer instructions, and when the processor executes the instructions, the communication device executes the method described in any one of the above aspects.
  • the communication device may be the network device in the first aspect, or a device including the network device, or a device included in the network device, such as a chip; or, the communication device may be the terminal device in the second aspect, Or a device including the above-mentioned terminal equipment, or a device included in the above-mentioned terminal equipment, such as a chip.
  • a communication device comprising: a processor; the processor is configured to be coupled to a memory, and after reading an instruction in the memory, execute the method according to any one of the preceding aspects according to the instruction.
  • the communication device may be the network device in the first aspect, or a device including the network device, or a device included in the network device, such as a chip; or, the communication device may be the terminal device in the second aspect, Or a device including the above-mentioned terminal equipment, or a device included in the above-mentioned terminal equipment, such as a chip.
  • a computer-readable storage medium is provided, and instructions are stored in the computer-readable storage medium, when the computer-readable storage medium runs on a computer, the computer can perform the method described in any one of the above aspects.
  • a computer program product comprising instructions which, when run on a computer, enable the computer to perform the method of any of the preceding aspects.
  • a communication device comprising: an interface circuit and at least one processor, where the interface circuit can be a code/data read/write interface circuit, and the interface circuit is used to receive a computer-executed instruction (the computer-executed instruction is stored in a memory) , possibly directly from memory, or possibly via other devices) and transferred to the processor; the processor is used to run the computer-executed instructions to perform the method described in any of the above aspects.
  • the communication device may be the network device in the first aspect, or a device including the network device, or a device included in the network device, such as a chip; or, the communication device may be the terminal device in the second aspect, Or a device including the above-mentioned terminal equipment, or a device included in the above-mentioned terminal equipment, such as a chip.
  • a communication apparatus for example, the communication apparatus may be a chip or a chip system
  • the communication apparatus includes a processor for implementing the functions involved in any of the above aspects.
  • the communication device further includes a memory for storing necessary program instructions and data.
  • the communication device is a chip system, it may be constituted by a chip, or may include a chip and other discrete devices.
  • a tenth aspect provides a communication system, where the communication system includes the terminal device described in the foregoing aspect and the network device described in the foregoing aspect.
  • FIG. 1 is a schematic diagram of scheduling and feedback supporting a 10HARQ process in the prior art
  • FIG. 2a is a schematic diagram of a subframe numbering provided by an embodiment of the present application.
  • FIG. 2b is a schematic diagram of scheduling and feedback supporting a 14HARQ process in the prior art
  • FIG. 2c is another schematic diagram of scheduling and feedback supporting 14HARQ process in the prior art
  • FIG. 3 is a schematic diagram of the architecture of a communication system provided by an embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of a terminal device and a network device provided by an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of another terminal device provided by an embodiment of the present application.
  • FIG. 6 is a schematic flowchart of a data scheduling method provided by an embodiment of the present application.
  • FIG. 7 is a schematic diagram of scheduling and feedback supporting a 14HARQ process according to an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of another network device provided by an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of another terminal device provided by an embodiment of the present application.
  • HARQ is a technology that combines forward error correction (FEC) and automatic repeat request (ARQ) methods.
  • FEC forward error correction
  • ARQ automatic repeat request
  • the receiver will request the sender to resend the transmission block (TB) through the ARQ mechanism.
  • the receiving end uses an error detection code, that is, a cyclic redundancy check (cyclic redundancy check, CRC) to detect whether there is an error in the received TB. If the receiver does not detect an error, the receiver will send an acknowledgement (ACK) to the sender.
  • CRC cyclic redundancy check
  • the sender After the sender receives the ACK, it will send the next TB; or, if the receiver detects an error, it will receive The terminal will send a negative acknowledgement (NACK) to the sender, and after receiving the NACK, the sender will resend the last TB to the receiver.
  • NACK negative acknowledgement
  • the HARQ protocol exists at both the transmitting end and the receiving end, and the HARQ operation at the transmitting end includes sending and retransmitting TB, and receiving and processing ACK or NACK.
  • the HARQ operation at the receiving end includes receiving TB, and generating ACK or NACK.
  • HARQ is divided into uplink and downlink.
  • Downlink HARQ is for the TB carried on the downlink shared channel (DL-SCH)
  • uplink HARQ is for the TB carried on the uplink shared channel (UL-SCH).
  • the uplink HARQ is a processing flow of confirming and retransmitting the TB sent by the terminal device to the network device.
  • Downlink HARQ is a processing flow of acknowledging and retransmitting the TB sent by the network device to the terminal device.
  • the methods provided in the embodiments of the present application mainly involve downlink HARQ.
  • the HARQ process can be understood as a process in which the network device sends the MPDCCH to schedule the PDSCH for data transmission, and receives the HARQ-ACK information of the data transmission sent by the terminal device.
  • one HARQ process corresponds to one MPDCCH, and one MPDCCH schedules one PDSCH.
  • the present application supports HARQ bundling, that is, the HARQ-ACK information of multiple PDSCHs can be logically ANDed to obtain the final HARQ-ACK information, which is sent through one time unit.
  • the HARQ-ACK information includes an acknowledgement (acknowledgement, ACK) or a negative acknowledgement (negative acknowledgement, NACK).
  • the eMTC system is used as an example for description.
  • the downlink control channel is MPDCCH.
  • the MPDCCH in this application can be replaced with other downlink control channels, for example, a physical downlink control channel (PDCCH) or a narrowband physical downlink control channel (narrowband physical downlink control channel).
  • PDCH physical downlink control channel
  • NPDCCH narrowband physical downlink control channel
  • the MPDCCH may also have other names, which are not specifically limited in this embodiment of the present application.
  • Scheduling delay may refer to the delay of DCI scheduling data, or may refer to the delay of MPDCCH scheduling PDSCH.
  • the starting time unit of the PDSCH carrying the data scheduled by the DCI is the Kth time unit after the ending time unit of the MPDCCH carrying the DCI, and the K time units (including the starting time unit of the PDSCH) can be It is understood as scheduling delay.
  • M0 (subframe 0) is the end subframe of the MPDCCH bearing DCI
  • the second subframe (subframe 2) after the end subframe is the end subframe of the PDSCH that bears the D0 scheduled by M0.
  • the scheduling delay is 2 subframes.
  • the scheduling delays for M1 to M9 to schedule D1 to D9 respectively are also 2 subframes.
  • HARQ-ACK delay may refer to the delay of HARQ-ACK information relative to data, or may refer to the delay of PUCCH feedback whether PDSCH transmission is successful.
  • the start time unit of the PUCCH carrying the HARQ-ACK information is the Nth time unit after the end time unit of the PDSCH carrying the data, and the N time units (including the start time unit of the PUCCH) are HARQ-ACK delay.
  • D0 subframe 2
  • 11th subframe is the starting subframe for carrying HARQ-ACK information
  • the HARQ-ACK delay is 11 subframes.
  • the time unit may be, for example, a frame, a subframe, a symbol, an effective frame, an effective subframe, an effective symbol, an absolute frame, an absolute subframe, an absolute symbol, or bandwidth reduction and low complexity-coverage enhancement (bandwidth- reduced low-complexity and coverage enhancement, BL/CE) subframe.
  • time unit may also be other quantities representing unit time, which is not specifically limited in this embodiment of the present application.
  • a time unit is used as a subframe for description. It can be understood that the subframe may also be replaced by any of the above time units.
  • a frame may include multiple subframes, and the indices of the subframes start from the lowest time of the frame and are numbered in an increasing order of time.
  • a new radio (NR) system as an example, one frame includes 10 subframes.
  • frame 0 includes 10 subframes numbered 0-9
  • frame 1 also includes 10 subframes numbered 0-9.
  • the subframes are not numbered in units of frames in the drawings, but are numbered sequentially.
  • the present application numbers the 10 subframes of frame 1 as 10-19.
  • FIG. 1 it is a schematic diagram of scheduling data transmission and sending feedback information in a system supporting 14 HARQ processes.
  • M10 to M13 are MPDCCH subframes corresponding to newly introduced HARQ process 10 to HARQ process 13 .
  • D10 and D11 schedule PDSCH subframes for M10 and M11, respectively, located in subframe 17 and subframe 18, and the corresponding HARQ-ACK information is fed back at subframe 30.
  • subframe 27 and subframe 28 since the HARQ process for D10 and D11 has not fed back HARQ-ACK information, scheduling cannot be performed, that is, subframe 27 and subframe 28 cannot be M10 and M11, and two more HARQs need to be introduced. process.
  • the corresponding scheduling delay of MPDCCH and PDSCH can be 2 subframes or 7 subframes (for example, the delay of M10 scheduling D10 is 7 subframes) .
  • the corresponding scheduling delay of MPDCCH and PDSCH is 2 subframes, which is the same as when 10 HARQ processes are supported.
  • M0 to M8 and M13 are located in subframes 18 to 27, respectively, then M9 may be located in subframe 28. Since in this scheme, the scheduling delay of M0 to M9 is fixed at 2 subframes, if according to this scheme, D9 If it is located in subframe 30, then A0 cannot be transmitted in subframe 30. Therefore, the positions of subframe 28 and subframe 35 need to be vacant, that is, subframe 28 cannot transmit MPDCCH, and subframe 35 cannot transmit PDSCH, resulting in waste of resources.
  • the AHRQ-ACK delay field in the DCI is used to indicate the used HARQ process identifier (identifier, ID) and the scheduling delay, as shown in Table 1 below.
  • HARQ-ACK Delay Field HARQ ID scheduling delay 000 10 2 001 10 7 010 11 2 011 11 7 100 12 2 101 12 7 110 13 2 111 13 7
  • bit states 10 to 15 of the HARQ process identification field in the DCI may also be used to indicate the HARQ-ACK delay, as shown in Table 2 below.
  • an embodiment of the present application provides a data scheduling method for improving resource utilization.
  • At least one item(s) below or similar expressions thereof refer to any combination of these items, including any combination of single item(s) or plural items(s).
  • at least one item (a) of a, b, or c may represent: a, b, c, ab, ac, bc, or abc, where a, b, and c may be single or multiple .
  • words such as “first” and “second” are used to distinguish the same or similar items with basically the same function and effect.
  • the words “first”, “second” and the like do not limit the quantity and execution order, and the words “first”, “second” and the like are not necessarily different.
  • words such as “exemplary” or “for example” are used to represent examples, illustrations or illustrations. Any embodiments or designs described in the embodiments of the present application as “exemplary” or “such as” should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as “exemplary” or “such as” is intended to present the related concepts in a specific manner to facilitate understanding.
  • the embodiments of the present application may be applicable to long term evolution (long term evolution, LTE) systems, such as eMTC systems of the Internet of Things (IoT); and may also be applicable to other wireless communication systems, such as the global system for mobile communications (global system for mobile communication, GSM), mobile communication system (universal mobile telecommunications system, UMTS), code division multiple access (code division multiple access, CDMA) system, wideband code division multiple access (wideband code division multiple access, WCDMA), NR and future-oriented new network systems, etc., which are not specifically limited in this embodiment of the present application.
  • LTE long term evolution
  • GSM global system for mobile communication
  • UMTS universal mobile telecommunications system
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • NR future-oriented new network systems
  • the communication system 10 includes a network device 30 and one or more terminal devices 40 connected to the network device 30 .
  • different terminal devices 40 may communicate with each other.
  • a data scheduling method is provided, and the method is applied to a system that activates N HARQ processes, where N is greater than or equal to A positive integer of 14.
  • the method includes: after the network device determines the first scheduling delay, sending a first field to the terminal device, where the first field is used to indicate the first scheduling delay, and the first scheduling delay is the downlink corresponding to the first HARQ process
  • the control information schedules the delay of the first data, and the first HARQ process is any HARQ process among the N HARQ processes.
  • the first field can be used to indicate any one of the following: the number of repetitions of data, the HARQ-ACK delay for HARQ-ACK acknowledgement, or the frequency hopping flag.
  • the terminal device may determine the first scheduling delay according to the first field.
  • the first HARQ process is any HARQ process among the N HARQ processes
  • the network device can determine the time delay for scheduling the first data by the downlink control information corresponding to the first HARQ process, that is, the network The device can determine the scheduling delay corresponding to any HARQ process.
  • the network device can flexibly determine any HARQ process
  • the corresponding scheduling delay for example, the scheduling delay corresponding to any HARQ process may be 2 subframes or 7 subframes, which can be comprehensively considered in the data scheduling process to improve resource utilization.
  • the number of repetitions of data, the HARQ-ACK delay, or the frequency hopping flag field may be multiplexed to indicate the scheduling delay, so that no additional bits need to be added to indicate the scheduling delay, saving signaling overhead.
  • the HARQ-ACK delay field compared with the prior art for reinterpreting both the HARQ-ACK delay field and the HARQ-ID field, in this application, only the repetition times of the data, the HARQ-ACK delay, or the frequency hopping flag field are required. A field in the reinterpretation is performed, which has less impact on the communication protocol.
  • the network device 30 in the embodiment of the present application is a device that accesses the terminal device 40 to the wireless network, and may be an evolutional Node B (evolutional Node B) in long term evolution (long term evolution, LTE). eNB or eNodeB); or 5th generation (5th generation, 5G) network or the base station in the future evolved public land mobile network (public land mobile network, PLMN), broadband network gateway (broadband network gateway, BNG), aggregation switch Or a non-3rd generation partnership project (3rd generation partnership project, 3GPP) access device; or the network device 30 in this embodiment of the present application may also be a wireless control device in a cloud radio access network (cloud radio access network, CRAN) or a transmission and reception point (TRP), or a device including a TRP, etc., which are not specifically limited in this embodiment of the present application.
  • cloud radio access network cloud radio access network, CRAN
  • TRP transmission and reception point
  • the base station in this embodiment of the present application may include various forms of base station, for example: a macro base station, a micro base station (also referred to as a small cell), a relay station, an access point, etc., which are not specifically limited in this embodiment of the present application .
  • the terminal device 40 in this embodiment of the present application may be a device for implementing a wireless communication function, such as a terminal or a chip that can be used in the terminal, and the like.
  • the terminal may be the Internet of Things (Internet of Things, IoT), 5G network, or user equipment (UE), access terminal, terminal unit, terminal station, mobile station, mobile station, Remote station, remote terminal, mobile device, wireless communication device, terminal agent or terminal device, etc.
  • IoT Internet of Things
  • 5G network Fifth Generation
  • UE user equipment
  • the access terminal may be a cellular telephone, a cordless telephone, a session initiation protocol (SIP) telephone, a wireless local loop (WLL) station, a personal digital assistant (PDA), a wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices or wearable devices, virtual reality (VR) end devices, augmented reality (AR) end devices, industrial control (industrial) wireless terminal in control), wireless terminal in self-driving, wireless terminal in remote medical, wireless terminal in smart grid, wireless terminal in transportation safety Terminals, wireless terminals in smart cities, wireless terminals in smart homes, etc. Terminals can be mobile or stationary.
  • SIP session initiation protocol
  • WLL wireless local loop
  • PDA personal digital assistant
  • a wireless communication Functional handheld devices computing devices or other processing devices connected to wireless modems, in-vehicle devices or wearable devices, virtual reality (VR) end devices, augmented reality (AR) end devices, industrial control (industrial) wireless terminal in control), wireless terminal in self-driving,
  • the network device 30 and the terminal device 40 in this embodiment of the present application may also be referred to as communication devices, which may be a general-purpose device or a dedicated device, which is not specifically limited in this embodiment of the present application.
  • FIG. 4 it is a schematic structural diagram of a network device 30 and a terminal device 40 provided in this embodiment of the present application.
  • the terminal device 40 includes at least one processor (in FIG. 4 , it is exemplified by including one processor 401 ) and at least one transceiver (in FIG. 4 , it is exemplified by including one transceiver 403 ) ).
  • the terminal device 40 may further include at least one memory (in FIG. 4 , it is exemplified that one memory 402 is included), at least one output device (in FIG. 4 , one output device 404 is exemplified as an example) for illustration) and at least one input device (in FIG. 4, one input device 405 is used as an example for illustration).
  • the processor 401, the memory 402 and the transceiver 403 are connected by a communication line.
  • the communication link may include a path to communicate information between the components described above.
  • the processor 401 may be a general-purpose central processing unit (CPU), a microprocessor, an application-specific integrated circuit (ASIC), or one or more integrated circuits for controlling the execution of programs in the present application. circuit.
  • the processor 401 may also include multiple CPUs, and the processor 401 may be a single-core (single-CPU) processor or a multi-core (multi-CPU) processor.
  • a processor herein may refer to one or more devices, circuits, or processing cores for processing data (eg, computer program instructions).
  • the memory 402 may be a device having a storage function. For example, it may be read-only memory (ROM) or other types of static storage devices that can store static information and instructions, random access memory (RAM), or other types of storage devices that can store information and instructions
  • the dynamic storage device can also be electrically erasable programmable read-only memory (electrically erasable programmable read-only memory, EEPROM), compact disc read-only memory (CD-ROM) or other optical disk storage, optical disk storage (including compact discs, laser discs, compact discs, digital versatile discs, Blu-ray discs, etc.), magnetic disk storage media or other magnetic storage devices, or capable of carrying or storing desired program code in the form of instructions or data structures and capable of being stored by a computer any other medium taken, but not limited to this.
  • the memory 402 may exist independently and be connected to the processor 401 through a communication line.
  • the memory 402 may also be integrated with the processor 401 .
  • the memory 402 is used for storing computer-executed instructions for executing the solution of the present application, and the execution is controlled by the processor 401 .
  • the processor 401 is configured to execute the computer-executed instructions stored in the memory 402, thereby implementing the data scheduling method described in the embodiments of the present application.
  • the processor 401 may also perform processing-related functions in the data scheduling method provided by the following embodiments of the present application, and the transceiver 403 is responsible for communicating with other devices or communication networks. This is not specifically limited in the application examples.
  • the computer-executed instructions in the embodiment of the present application may also be referred to as application program code or computer program code, which is not specifically limited in the embodiment of the present application.
  • Transceiver 403 may use any transceiver-like device for communicating with other devices or communication networks, such as Ethernet, radio access network (RAN), or wireless local area networks (WLAN) Wait.
  • the transceiver 403 includes a transmitter (transmitter, Tx) and a receiver (receiver, Rx).
  • the output device 404 is in communication with the processor 401 and can display information in a variety of ways.
  • the output device 404 may be a liquid crystal display (LCD), a light emitting diode (LED) display device, a cathode ray tube (CRT) display device, or a projector (projector) Wait.
  • LCD liquid crystal display
  • LED light emitting diode
  • CRT cathode ray tube
  • projector projector
  • Input device 405 is in communication with processor 401 and can accept user input in a variety of ways.
  • the input device 405 may be a mouse, a keyboard, a touch screen device, a sensor device, or the like.
  • the network device 30 includes at least one processor (in FIG. 4 , it is exemplified by including one processor 301 ), at least one transceiver (in FIG. 4 , it is exemplified by including one transceiver 303 ) and At least one network interface (in FIG. 4 , it is exemplified that one network interface 304 is included for illustration).
  • the network device 30 may further include at least one memory (in FIG. 4 , it is exemplified that one memory 302 is included for illustration).
  • the processor 301, the memory 302, the transceiver 303 and the network interface 304 are connected through a communication line.
  • the network interface 304 is used to connect with the core network device through a link (such as the S1 interface), or connect with the network interface of other network devices (not shown in FIG. 4 ) through a wired or wireless link (such as the X2 interface).
  • a link such as the S1 interface
  • a wired or wireless link such as the X2 interface
  • FIG. 5 is a specific structural form of the terminal device 40 provided by the embodiment of the present application.
  • the functions of the processor 401 in FIG. 4 may be implemented by the processor 110 in FIG. 5 .
  • the functions of the transceiver 403 in FIG. 4 may be implemented by the antenna 1, the antenna 2, the mobile communication module 150, the wireless communication module 160, and the like in FIG. 5 .
  • the antenna 1 and the antenna 2 are used for transmitting and receiving electromagnetic wave signals.
  • Each antenna in terminal device 40 may be used to cover a single or multiple communication frequency bands. Different antennas can also be reused to improve antenna utilization.
  • the antenna 1 can be multiplexed as a diversity antenna of the wireless local area network. In other embodiments, the antenna may be used in conjunction with a tuning switch.
  • the mobile communication module 150 may provide a wireless communication solution including 2G/3G/4G/5G, etc. applied on the terminal device 40 .
  • the mobile communication module 150 may include at least one filter, switch, power amplifier, low noise amplifier (LNA) and the like.
  • the mobile communication module 150 can receive electromagnetic waves from the antenna 1, filter and amplify the received electromagnetic waves, and transmit them to the modulation and demodulation processor for demodulation.
  • the mobile communication module 150 can also amplify the signal modulated by the modulation and demodulation processor, and then turn it into an electromagnetic wave for radiation through the antenna 1 .
  • at least part of the functional modules of the mobile communication module 150 may be provided in the processor 110 .
  • at least part of the functional modules of the mobile communication module 150 may be provided in the same device as at least part of the modules of the processor 110 .
  • the wireless communication module 160 can provide applications on the terminal device 40 including wireless local area networks (WLAN) (such as Wi-Fi networks), Bluetooth (blue tooth, BT), global navigation satellite system (global navigation satellite system, GNSS), frequency modulation (FM), near field communication (NFC), infrared technology (infrared, IR) and other wireless communication solutions.
  • WLAN wireless local area networks
  • Bluetooth blue tooth, BT
  • global navigation satellite system global navigation satellite system
  • GNSS global navigation satellite system
  • FM frequency modulation
  • NFC near field communication
  • IR infrared technology
  • the wireless communication module 160 may be one or more devices integrating at least one communication processing module.
  • the wireless communication module 160 receives electromagnetic waves via the antenna 2 , frequency modulates and filters the electromagnetic wave signals, and sends the processed signals to the processor 110 .
  • the wireless communication module 160 can also receive the signal to be sent from the processor 110 , perform frequency modulation on it, amplify it, and convert it into electromagnetic waves for radiation through the antenna 2 .
  • the wireless communication module 160 can provide a solution of NFC wireless communication applied on the terminal device 40, which means that the first device includes an NFC chip.
  • the NFC chip can improve the NFC wireless communication function.
  • the wireless communication module 160 can provide a solution for NFC wireless communication applied to the terminal device 40, which means that the first device includes an electronic tag (such as a radio frequency identification (RFID) tag. ).
  • the NFC chip of the other device is close to the electronic tag and can perform NFC wireless communication with the second device.
  • the antenna 1 of the terminal device 40 is coupled with the mobile communication module 150, and the antenna 2 is coupled with the wireless communication module 160, so that the terminal device 40 can communicate with the network and other devices through wireless communication technology.
  • the wireless communication technology may include global system for mobile communications (GSM), general packet radio service (GPRS), code division multiple access (CDMA), broadband Code Division Multiple Access (WCDMA), Time Division Code Division Multiple Access (TD-SCDMA), Long Term Evolution (LTE), BT, GNSS, WLAN, NFC , FM, or IR technology, etc.
  • the GNSS may include a global positioning system (global positioning system, GPS), a global navigation satellite system (GLONASS), a Beidou navigation satellite system (BDS), a quasi-zenith satellite system (quasi -zenith satellite system, QZSS) or satellite based augmentation systems (SBAS).
  • GPS global positioning system
  • GLONASS global navigation satellite system
  • BDS Beidou navigation satellite system
  • QZSS quasi-zenith satellite system
  • SBAS satellite based augmentation systems
  • the function of the memory 402 in FIG. 4 may be implemented by the internal memory 121 in FIG. 5 or an external memory (eg, a Micro SD card) connected to the external memory interface 120, or the like.
  • an external memory eg, a Micro SD card
  • the functionality of output device 404 in FIG. 4 may be implemented by display screen 194 in FIG. 5 .
  • the display screen 194 is used for displaying images, videos and the like.
  • Display screen 194 includes a display panel.
  • the functionality of the input device 405 in FIG. 4 may be implemented by a mouse, a keyboard, a touch screen device, or the sensor module 180 in FIG. 5 .
  • the sensor module 180 may include, for example, a pressure sensor 180A, a gyro sensor 180B, an air pressure sensor 180C, a magnetic sensor 180D, an acceleration sensor 180E, a distance sensor 180F, a proximity light sensor 180G, and a fingerprint sensor 180H.
  • a pressure sensor 180A a pressure sensor 180A, a gyro sensor 180B, an air pressure sensor 180C, a magnetic sensor 180D, an acceleration sensor 180E, a distance sensor 180F, a proximity light sensor 180G, and a fingerprint sensor 180H.
  • the temperature sensor 180J, the touch sensor 180K, the ambient light sensor 180L, and the bone conduction sensor 180M which are not specifically limited in this embodiment of the present application.
  • the terminal device 40 may further include an audio module 170, a camera 193, an indicator 192, a motor 191, a button 190, a SIM card interface 195, a USB interface 130, a charging management module 140, One or more of the power management module 141 and the battery 142, wherein the audio module 170 can be connected with the speaker 170A (also called “speaker”), the receiver 170B (also called “earpiece”), the microphone 170C (also called “microphone”, “microphone”) or the headphone jack 170D, etc., which are not specifically limited in this embodiment of the present application.
  • the audio module 170 can be connected with the speaker 170A (also called “speaker"), the receiver 170B (also called “earpiece"), the microphone 170C (also called “microphone”, “microphone”) or the headphone jack 170D, etc., which are not specifically limited in this embodiment of the present application.
  • the structure shown in FIG. 5 does not constitute a specific limitation on the terminal device 40 .
  • the terminal device 40 may include more or less components than shown, or combine some components, or separate some components, or arrange different components.
  • the illustrated components may be implemented in hardware, software, or a combination of software and hardware.
  • the data scheduling method provided by the embodiment of the present application will be described below by taking the interaction between the network device 30 shown in FIG. 3 and any terminal device 40 as an example in conjunction with FIG. 1 to FIG. 5 .
  • the terminal device and/or the network device may perform some or all of the steps in the embodiments of the present application, these steps or operations are only examples, and the embodiments of the present application may also perform other operations or various Variation of operations.
  • various steps may be performed in different orders presented in the embodiments of the present application, and may not be required to perform all the operations in the embodiments of the present application.
  • the terminal device supports N HARQ processes, or the terminal device has the ability to support N HARQ processes, and the network device configures N HARQ processes for the terminal device, that is, the terminal device and the network
  • N HARQ processes for the terminal device, that is, the terminal device and the network
  • a data scheduling method provided by an embodiment of the present application includes the following steps:
  • the network device determines a first scheduling delay.
  • the first scheduling delay is the delay for scheduling the first data by the downlink control information corresponding to the first HARQ process.
  • the first scheduling delay is the delay for scheduling the PDSCH carrying the first data on the MPDCCH corresponding to the first HARQ process that carries the downlink control information.
  • the first HARQ process is any HARQ process among the N activated HARQ processes.
  • the starting time unit of the PDSCH carrying the first data is the Kth time unit after the ending time unit of the MPDCCH carrying the downlink control information
  • the K time units (including the starting time unit of the PDSCH) can be is the first scheduling delay
  • K is a positive integer
  • the first scheduling delay is 2 time units or 7 time units. That is to say, the start time unit of the PDSCH carrying the first data is the second time unit or the seventh time unit after the end time unit of the MPDCCH carrying the downlink control information.
  • the network device can determine the scheduling delay corresponding to any HARQ process as 2 time units or 7 time units.
  • the first scheduling delay may also have other values, which are not specifically limited in this embodiment of the present application.
  • the network device sends the first field to the terminal device.
  • the terminal device receives the first field from the network device.
  • the first field is used to indicate the first scheduling delay.
  • the use of the first field to indicate the first scheduling delay may be understood as: some or all bits of the first field are used to indicate the first scheduling delay.
  • the first field can be used to indicate any one of the following: the number of repetitions of data, the HARQ-ACK delay, or the frequency hopping flag.
  • the deactivation of N HARQ processes means that all N HARQ processes are not activated, that is, the terminal device has the ability to support N HARQ processes, but the capability is not activated or enabled . At this time, some HARQ processes among the N HARQ processes may be activated. For example, if N is equal to 14, the terminal device of Release 17 (Release17, R17) has the ability to support 14HARQ process. After the terminal device reports its ability to support 14HARQ process to the network device, the network device does not activate or enable the 14HARQ process. At this time, the terminal equipment of the R17 needs to communicate with the network equipment according to the 10HARQ process characteristics of the R16.
  • sending the first field by the network device to the terminal device may include: the network device sending DCI to the terminal device, where the DCI includes the first field.
  • the network device may multiplex the repetition times field of the data in the DCI when the N HARQ processes are deactivated, the HARQ-ACK delay field, or the frequency hopping flag field to send the first scheduling delay.
  • some fields (or called fields) included in the DCI when the N HARQ processes are deactivated may be as shown in Table 3 (the parts irrelevant to this application are omitted).
  • the identification field of 1 bit distinguishing format 6-0A or format 6-1A is used to indicate whether the specific format of the DCI is format 6-0A or format 6-1A;
  • the frequency hopping identification field of 1 bit is used to indicate all repeated transmissions of data Whether it is located in the same frequency domain resource;
  • the resource block allocation field is used to indicate the allocation of resource blocks;
  • the 4-bit HARQ process number field is used to indicate the HARQ process corresponding to the current DCI;
  • the 2-bit redundancy version (redundancy version, RV) field is used for Indicates the RV corresponding to the data scheduled by the DCI;
  • the 2-bit number of repetitions (that is, the number of repetitions of data) field is used to indicate the number of repetitions used for data transmission scheduled by the DCI;
  • 3-bit HARQ- The ACK delay field is used to indicate the delay of the HARQ-ACK information relative to the data scheduled by the DCI.
  • the network device may indicate the first scheduling delay through the 2-bit repetition times field, the 3-bit HARQ-ACK delay field, or the 1-bit frequency hopping identifier field in Table 3 above.
  • the number of repetitions in this embodiment of the present application refers to the number of times of data repetition in one transmission, and similarly, all repeated transmissions of data refer to the number of times of data repetition in one transmission, which is different from the retransmission in the HARQ mechanism.
  • the terminal device determines the first scheduling delay according to the first field.
  • the terminal device may reinterpret the data repetition times field, the HARQ-ACK delay field, or the frequency hopping flag field when the N HARQ processes are deactivated as the first field, and use the value or state of the first field according to the value or status of the first field.
  • a first scheduling delay is determined.
  • the terminal device may send the first data according to the first scheduling delay.
  • the first HARQ process is any HARQ process among the N HARQ processes
  • the network device can determine the time delay for scheduling the first data by the downlink control information corresponding to the first HARQ process, that is, the network The device can determine the scheduling delay corresponding to any HARQ process.
  • the network device can flexibly determine any HARQ process
  • the corresponding scheduling delay for example, the scheduling delay corresponding to any HARQ process may be 2 subframes or 7 subframes, which can be comprehensively considered in the data scheduling process to improve resource utilization.
  • the number of repetitions of data, the HARQ-ACK delay, or the frequency hopping flag field may be multiplexed to indicate the scheduling delay, so that no additional bits need to be added to indicate the scheduling delay, saving signaling overhead.
  • the HARQ-ACK delay field compared with the prior art for reinterpreting both the HARQ-ACK delay field and the HARQ-ID field, in this application, only the repetition times of the data, the HARQ-ACK delay, or the frequency hopping flag field are required. A field in the reinterpretation is performed, which has less impact on the communication protocol.
  • the method for indicating the first scheduling delay by the first field is described in detail below. There may be the following situations:
  • the first field can be used to indicate the number of repetitions of data.
  • the network device may multiplex the data repetition times field to indicate the first scheduling delay.
  • a terminal device supporting the 14HARQ feature may send terminal capability information to the network device to report that it supports the 14HARQ feature.
  • the network device activates (or enables) the 14HARQ feature when the channel conditions are good, or configures 14HARQ processes for the terminal device.
  • RRC radio resource control
  • the network device can configure a smaller number of repetitions for the terminal device or not configure the number of repetitions, so that the network device can multiplex data
  • the number of repetitions field of indicates the first scheduling delay, that is, the number of repetitions field is used as the first field.
  • the first field may also be used to indicate the number of repetitions of the first data. That is, the first field may indicate both the first scheduling delay and the number of repetitions of the first data.
  • the number of repetitions of the first data may be 1, 2, or 4.
  • the first field may indicate the first scheduling delay and the number of repetitions of the first data in the following two ways.
  • the first field is used to indicate the first scheduling delay, which may include: the first state of the first field is used to indicate the first scheduling delay; the first field is also used to indicate the repetition times of the first data, which may include: The first state of the first field is used to indicate the number of repetitions of the first data. That is, the first state of the first field may indicate both the first scheduling delay and the number of repetitions of the first data.
  • the scheduling delay indicated by the state of the first field and the repetition times of data may be as shown in Table 4 below.
  • time unit of the scheduling delay in the following embodiments of the present application is a time unit.
  • the scheduling delay in Table 4 is taken as 2, it means that the scheduling delay is 2 time units.
  • the values of the first field corresponding to the state 0 to the state 3 of the first field may be 00 respectively. , 01, 10 and 11.
  • Table 4 is only an example to illustrate the relationship between the state and its indicated scheduling delay and the number of repetitions of data. In practical applications, there may be other relationships, such as the scheduling delay and the number of repetitions of data. There may also be other values, which are not specifically limited in this embodiment of the present application.
  • the first field is used to indicate the first scheduling delay, and may include: M high-order bits of the first field are used to indicate the first scheduling delay; the first field is also used to indicate the number of repetitions of the first data, which may include : The L low-order bits of the first field are used to indicate the number of repetitions of the first data, and M and L are positive integers. Optionally, the sum of M and L is equal to the total number of bits in the first field.
  • the first field is used to indicate the first scheduling delay, and may include: the M low-order bits of the first field are used to indicate the first scheduling delay; the first field is also used to indicate the number of repetitions of the first data, It includes: L high-order bits of the first field are used to indicate the repetition times of the first data, and M and L are positive integers.
  • the sum of M and L is equal to the total number of bits in the first field.
  • M and L are respectively equal to 1
  • M is the high-order bit
  • L is the low-order bit
  • the highest-order bit is at the leftmost
  • the lowest-order bit is at the rightmost
  • the first field The scheduling delay indicated by the value of , and the number of repetitions of data may be shown in Table 5a and Table 5b below.
  • the scheduling delay indicated by the value of the first field and the number of repetitions of the data can be as shown in Table 6a and shown in Table 6b.
  • Tables 5a to 6b are only exemplary to illustrate the relationship between the value of the first field and its indicated scheduling delay and the number of repetitions of data, and other relationships may also exist in practical applications.
  • the scheduling delay and the repetition times of data may also have other values, which are not specifically limited in this embodiment of the present application.
  • the scheduling delay of any HARQ process can be 2 time units or 7 time units, so that the network device can schedule more flexibly, thereby improving resource utilization.
  • the terminal device can determine the first scheduling delay and the number of repetitions of the first data by interpreting the first field, or in other words, by reinterpreting the repetition times field, so as to perform data transmission according to them.
  • the network device further sends the second field to the terminal device.
  • the terminal device also receives the second field from the network device.
  • the second field is used to indicate the second HARQ-ACK delay
  • the second HARQ-ACK delay is the delay of the second HARQ-ACK information relative to the first data
  • the second HARQ-ACK information is used to feed back the first HARQ-ACK information. Whether the data is transmitted successfully.
  • the embodiments of the present application also involve the first HARQ-ACK delay and the first HARQ-ACK information, which will be described in the following embodiments.
  • the second HARQ-ACK delay can also be understood as a delay for the PUCCH carrying the second HARQ-ACK information to feed back whether the PDSCH carrying the first data is successfully transmitted.
  • the start time unit of the PUCCH carrying the second HARQ-ACK information is the Jth time unit after the end time unit of the PDSCH carrying the first data
  • the J time units (including the start time of the PUCCH) unit) is the second HARQ-ACK delay.
  • J can be 4, 5, 6, 7, 8, 9, 11, or 13.
  • the second field may be a HARQ-ACK delay field.
  • the number of bits included in the second field may be three.
  • a possible indication relationship between the second field and the HARQ-ACK delay is shown in Table 7 below.
  • the time unit of the HARQ-ACK delay is a time unit.
  • the HARQ-ACK delay in Table 7 is taken as 4, it means that the HARQ-ACK delay is 4 time units.
  • the network device also sends the third field to the terminal device.
  • the terminal device also receives the third field from the network device.
  • the third field is used to indicate an identifier (identifier, ID) of the first HARQ process, so as to notify the terminal device of the HARQ process used for this scheduling.
  • the third field may be a HARQ-ID field.
  • the number of bits included in the third field may be 2.
  • different states of the third field may indicate different HARQ processes.
  • N may indicate N equal to 14 as an example
  • a possible indication relationship between the state of the third field and the HARQ process is shown in Table 8 below. Wherein, "--" indicates idle, that is, when the state of the third field is 14 or 15, the HARQ process is not indicated.
  • the above-mentioned first field, second field, and third field may be fields in DCI. That is to say, in this embodiment of the present application, the DCI may include a first field, and the first field may multiplex the repetition times field, the second field may be an existing HARQ-ACK delay field, and the third field may be an existing HARQ-ACK delay field. the HARQ-ID field.
  • the terminal device can determine the HARQ process identifier according to the HARQ-ID field, determine the scheduling delay by reinterpreting the repetition times field, and determine the HARQ-ACK delay through the HARQ-ACK field, thereby determining the PDSCH, HARQ- The location of the ACK resource for subsequent transmissions.
  • the scheduling delay can be indicated by the repetition times of the multiplexed data, so that there is no need to add extra bits to indicate the scheduling delay, which saves signaling overhead.
  • the HARQ-ACK delay field is not multiplexed in this scheme, there are still 8 or more possibilities for the HARQ-ACK delay.
  • the HARQ-ACK delay can be improved flexibility.
  • Case 2 When N HARQ processes are deactivated, the first field can be used to indicate the HARQ-ACK delay.
  • the network device may multiplex the HARQ-ACK delay field to indicate the first scheduling delay.
  • the first field may also be used to indicate the first HARQ-ACK delay.
  • the first HARQ-ACK delay is the delay of the first HARQ-ACK information relative to the first data, and the first HARQ-ACK delay is used to feed back whether the first data is successfully transmitted.
  • the first HARQ-ACK delay can also be understood as a delay for the PUCCH carrying the first HARQ-ACK information to feed back whether the PDSCH carrying the first data is successfully transmitted.
  • the start time unit of the PUCCH carrying the first HARQ-ACK information is the Nth time unit after the end time unit of the PDSCH carrying the first data
  • the N time units (including the start time of the PUCCH) unit) is the first HARQ-ACK delay.
  • N can be 4, 5, 6, 7, 8, 9, 11, or 13.
  • the first field may be used to indicate both the first scheduling delay and the first HARQ-ACK delay.
  • the first field may indicate the first scheduling delay and the first HARQ-ACK delay in the following two ways.
  • the first field is used to indicate the first scheduling delay, and may include: the second state of the first field is used to indicate the first scheduling delay; the first field is also used to indicate the first HARQ-ACK delay, which may include : The second state of the first field is also used to indicate the first HARQ-ACK delay. That is, the second state of the first field may indicate both the first scheduling delay and the first HARQ-ACK delay.
  • the scheduling delay indicated by the state of the first field and the HARQ-ACK delay may be as shown in Table 9 below.
  • the values of the first field corresponding to the state 0 to the state 7 of the first field may be 000 respectively. , 001, 010, 011, 100, 101, 110, 111.
  • the first field is used to indicate the first scheduling delay, and may include: X high-order bits of the first field are used to indicate the first scheduling delay; the first field is also used to indicate the first HARQ-ACK delay, which may It includes: Y low-order bits of the first field are used to indicate the first HARQ-ACK delay, and X and Y are positive integers. Optionally, the sum of X and Y is equal to the total number of bits in the first field.
  • the first field is used to indicate the first scheduling delay, and may include: the X lower-order bits of the first field are used to indicate the first scheduling delay; the first field is also used to indicate the first HARQ-ACK delay , which may include: Y high-order bits of the first field are used to indicate the first HARQ-ACK delay, and X and Y are positive integers.
  • the sum of X and Y is equal to the total number of bits in the first field.
  • X is equal to 1
  • Y is equal to 2
  • X is a high-order bit
  • Y is a low-order bit
  • the highest-order bit is at the leftmost
  • the lowest-order bit is at the rightmost
  • the first The scheduling delay indicated by the value of the field and the HARQ-ACK delay may be shown in Table 10a and Table 10b below.
  • the scheduling delay indicated by the value of the first field, and the HARQ-ACK delay can be as shown in Table 11a and shown in Table 11b.
  • Tables 10a to 11b are only exemplary to illustrate the relationship between the value of the first field and its indicated scheduling delay and HARQ-ACK delay, and other relationships may also exist in practical applications.
  • the scheduling delay and the HARQ-ACK delay may also have other values, which are not specifically limited in this embodiment of the present application.
  • the scheduling delay of any HARQ process can be 2 time units or 7 time units, so that the network device can schedule more flexibly, thereby improving resource utilization.
  • the terminal device can determine the first scheduling delay and the first HARQ-ACK delay by interpreting the first field, or reinterpreting the HARQ-ACK delay field, so as to perform data transmission according to them.
  • the network device also sends the third field to the terminal device.
  • the terminal device also receives a third field from the network device, where the third field is used to indicate an identifier (identifier, ID) of the first HARQ process, so as to notify the terminal device of the HARQ process used for this scheduling.
  • the third field is used to indicate an identifier (identifier, ID) of the first HARQ process, so as to notify the terminal device of the HARQ process used for this scheduling.
  • the above-mentioned first field and third field may be fields in DCI. That is, in this embodiment of the present application, the DCI may include a first field, where the first field may multiplex the HARQ-ACK field, and the third field may be an existing HARQ-ID field.
  • the terminal device can determine the identifier of the HARQ process according to the HARQ-ID field, and determine the scheduling delay and HARQ-ACK delay by reinterpreting the HARQ-ACK field, so as to determine the location of the PDSCH and HARQ-ACK resources. Make subsequent transfers.
  • the HARQ-ACK delay can be multiplexed to indicate the scheduling delay, so that there is no need to add extra bits to indicate the scheduling delay, and signaling overhead is saved.
  • the HARQ-ACK delay field needs to be reinterpreted in this application, which has less impact on the communication protocol.
  • Case 3 When N HARQ processes are deactivated, the first field can be used to indicate a frequency hopping flag.
  • the network device may reuse the frequency hopping flag field to indicate the first scheduling delay.
  • the first field may also be used to indicate a first frequency hopping flag, and the first frequency hopping flag is used to indicate whether all repeated transmissions of the first data are located in the same frequency domain resource. That is to say, the first field may indicate both the first scheduling delay and the first frequency hopping flag.
  • all repeated transmissions of the first data refer to the number of times the first data is repeated in one transmission, which is different from the retransmission in the HARQ mechanism.
  • the first field may indicate the first scheduling delay and the first frequency hopping flag by means of a joint indication.
  • the first field is used to indicate the first scheduling delay, and may include: the third state of the first field is used to indicate the first scheduling delay; the first field is also used to indicate the first frequency hopping flag, which may include: The third state of a field is also used to indicate the first frequency hopping flag.
  • the scheduling delay and the frequency hopping flag indicated by the state of the first field may be as shown in Table 12 or Table 13 below.
  • the frequency hopping flag if the frequency hopping flag is enable, it means that some repetition times of all repeated transmissions of data use different frequency domain resources; if the frequency hopping flag is disable, it means that all repeated transmissions of data use the same frequency domain resources.
  • Table 12 or Table 13 is only an example to illustrate the relationship between the value of the first field and its indicated scheduling delay, and the frequency hopping flag. In practical applications, there may be other relationships.
  • the delay may also have other values, which are not specifically limited in this embodiment of the present application.
  • the first field may not be used to indicate the frequency hopping flag. That is, the first field is only used to indicate the scheduling delay. At this time, it can be agreed that the frequency hopping flag is disabled or enabled by default.
  • the network device may also send the second field and/or the third field to the terminal device.
  • the terminal device also receives the second field and/or the third field from the network device.
  • the second field and the third field reference may be made to the relevant description in the above-mentioned case 1, and details are not repeated here.
  • the above-mentioned first field, second field, and third field may be fields in DCI. That is to say, in this embodiment of the present application, the DCI may include a first field, and the first field may multiplex the frequency hopping flag field, the second field may be the existing HARQ-ACK delay field, and the third field may be the current HARQ-ACK delay field. There is a HARQ-ID field. After receiving the DCI, the terminal device can determine the HARQ process identifier according to the HARQ-ID field, determine the scheduling delay by reinterpreting the frequency hopping flag field, and determine the HARQ-ACK delay through the HARQ-ACK field, thereby determining PDSCH, HARQ - Location of ACK resources for subsequent transmissions.
  • the frequency hopping flag field can be multiplexed to indicate the scheduling delay, so that there is no need to add extra bits to indicate the scheduling delay, which saves signaling overhead.
  • the frequency hopping flag field needs to be reinterpreted in this application, which has less impact on the communication protocol.
  • the HARQ-ACK delay field is not multiplexed in this scheme, there are still 8 or more possibilities for the HARQ-ACK delay.
  • the HARQ-ACK delay can be improved flexibility.
  • HARQ process 0 to HARQ process 13 correspond to M0 to M13 respectively, M0 to M13 schedule D0 to D13 respectively, and the time unit is a subframe, as shown in FIG. 7 , first, according to an embodiment of the present application , the scheduling delay of M10 to M13 respectively scheduling D10 to D13 may be 7 subframes.
  • D12#1 scheduled by M12#1 (not shown in FIG. 7 , subframe 0 is the 7th subframe after the subframe where M12#1 is located) is located in subframe 0, and the terminal equipment If the D12#1 is not successfully decoded, the terminal device may feed back the NACK corresponding to D12#1 at A0. At this time, the network device may schedule retransmission for D12#1. If subframe 17 sends M12#2 for scheduling a retransmission of D12#1 (denoted by D12#2), then D12#2 is located in subframe 19.
  • M0 to M8 and M13 are located in subframes 18 to 27, respectively, then M9 may be located in subframe 28. Since in the prior art, the scheduling delay of M0 to M9 is fixed at 2 subframes. , D9 is located in subframe 30, then A0 cannot be transmitted in subframe 30. Therefore, subframe 28 cannot transmit MPDCCH, and subframe 35 cannot transmit PDSCH, resulting in waste of resources.
  • the network device may instruct M9 to schedule D9 with a delay of 7 subframes, then M9 may be located in subframe 28, and D9 may be located in subframe 35, so that at subframe 28 MPDCCH can be transmitted, and PDSCH can be transmitted at subframe 35, thereby making full use of resources and improving resource utilization.
  • FIG. 7 is only an exemplary description of the application of the embodiment of the application, and does not limit the application scenarios of the embodiments of the application, nor does it limit the solutions of the embodiments of the application.
  • the action of the network device can be executed by the processor 301 in the network device 30 shown in FIG. 3 calling the application code stored in the memory 302 to instruct the network device to execute;
  • the action of the terminal device may be invoked by the processor 401 in the terminal device 40 shown in FIG. 3 by calling the application code stored in the memory 402 to instruct the terminal device to execute, which is not limited in this embodiment. .
  • the methods and/or steps implemented by terminal equipment may also be implemented by components (such as chips or circuits) that can be used in terminal equipment, and the methods and/or steps implemented by network equipment, It can also be implemented by components that can be used in network equipment.
  • an embodiment of the present application further provides a communication device, where the communication device is used to implement the above-mentioned various methods.
  • the communication device may be the terminal device in the foregoing method embodiment, or a device including the foregoing terminal device, or a component usable for the terminal device; or, the communication device may be the network device in the foregoing method embodiment, or including the foregoing A device of a network device, or a component that can be used in a network device.
  • the communication apparatus includes corresponding hardware structures and/or software modules for executing each function.
  • the communication device may be divided into functional modules according to the above method embodiments.
  • each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing module.
  • the above-mentioned integrated modules can be implemented in the form of hardware, and can also be implemented in the form of software function modules. It should be noted that, 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.
  • FIG. 8 shows a schematic structural diagram of a network device 80 .
  • the network device 80 includes a processing module 801 and a transceiver module 802 .
  • the transceiver module 802 which may also be called a transceiver unit, is used to implement sending and/or receiving functions, and may be, for example, a transceiver circuit, a transceiver, a transceiver or a communication interface.
  • the processing module 801 is configured to determine a first scheduling delay, where the first scheduling delay is the delay for scheduling the first data with the downlink control information corresponding to the first HARQ process, and the first HARQ process is any one of the N HARQ processes.
  • the transceiver module 802 is configured to send a first field to the terminal device, where the first field is used to indicate the first scheduling delay; wherein, when the N HARQ processes are deactivated, the first field can be used to indicate any one of the following Item: repetition times of data, HARQ-ACK delay for HARQ acknowledgment, or, frequency hopping flag.
  • the transceiver module 802 is further configured to send a second field to the terminal device, where the second field is used to indicate the second HARQ-ACK delay, and the second HARQ-ACK delay is the second HARQ-ACK
  • the delay of the information relative to the first data, the second HARQ-ACK information is used to feedback whether the first data is successfully transmitted, the second HARQ-ACK delay is J time units, and J is 4, 5, 6, 7, 8, 9, 11 or 13.
  • the transceiver module 802 is further configured to send a third field to the terminal device, where the third field is used to indicate the ID of the first HARQ process, so as to notify the terminal device of the HARQ process used for this scheduling.
  • the transceiver module 802, configured to send the first field to the terminal device may include: a transceiver module 802, configured to send the downlink control information DCI to the terminal device, where the DCI includes the first field.
  • the network device 80 is presented in the form of dividing each functional module in an integrated manner.
  • Module herein may refer to a specific ASIC, circuit, processor and memory executing one or more software or firmware programs, integrated logic circuit, and/or other device that may provide the functions described above.
  • the network device 80 may take the form of the network device 30 shown in FIG. 4 .
  • the processor 301 in the network device 30 shown in FIG. 4 may execute the instructions by calling the computer stored in the memory 302, so that the network device 30 executes the data scheduling method in the above method embodiment.
  • the functions/implementation process of the processing module 801 and the transceiver module 802 in FIG. 8 can be implemented by the processor 301 in the network device 30 shown in FIG. 4 calling the computer execution instructions stored in the memory 302.
  • the function/implementation process of the processing module 801 in FIG. 8 can be implemented by the processor 301 in the network device 30 shown in FIG. 4 calling the computer execution instructions stored in the memory 302, and the function of the transceiver module 802 in FIG. 8 is implemented.
  • the implementation process can be implemented by the transceiver 303 in the network device 30 shown in FIG. 4 .
  • the network device 80 provided in this embodiment can execute the above-mentioned data scheduling method, reference can be made to the above-mentioned method embodiments for the technical effects that can be obtained, and details are not repeated here.
  • FIG. 9 shows a schematic structural diagram of a terminal device 90 .
  • the terminal device 90 includes a processing module 901 and a transceiver module 902 .
  • the transceiver module 902 which may also be called a transceiver unit, is used to implement sending and/or receiving functions, and may be, for example, a transceiver circuit, a transceiver, a transceiver or a communication interface.
  • the transceiver module 902 is configured to receive a first field from a network device, where the first field is used to indicate the first scheduling delay; when the N HARQ processes are deactivated, the first field can be used to indicate any of the following Item: the number of repetitions of the data, the HARQ-ACK delay for HARQ-ACK request confirmation, or the frequency hopping flag; the processing module 901 is used to determine the first scheduling delay according to the first field, and the first scheduling delay is the first scheduling delay.
  • the downlink control information corresponding to one HARQ process schedules the delay of the first data, and the first HARQ process is any HARQ process among the N HARQ processes.
  • the transceiver module 902 is further configured to receive a second field from the network device, where the second field is used to indicate a second HARQ-ACK delay, and the second HARQ-ACK delay is a second HARQ-ACK delay.
  • the delay of the ACK information relative to the first data, the second HARQ-ACK information is used to feedback whether the first data is successfully transmitted, the second HARQ-ACK delay is J time units, and J is 4, 5, 6, 7 , 8, 9, 11 or 13.
  • the transceiver module 902 is further configured to receive a third field from the network device, where the third field is used to indicate the ID of the first HARQ process, so as to notify the terminal device of the HARQ process used for this scheduling.
  • the transceiver module 902 configured to receive the first field from the network device, may include: a transceiver module 902, configured to receive downlink control information DCI from the network device, where the DCI includes the first field.
  • the terminal device 90 is presented in the form of dividing each functional module in an integrated manner.
  • Module herein may refer to a specific ASIC, circuit, processor and memory executing one or more software or firmware programs, integrated logic circuit, and/or other device that may provide the functions described above.
  • the terminal device 90 may take the form of the terminal device 40 shown in FIG. 4 .
  • the processor 401 in the terminal device 40 shown in FIG. 4 may invoke the computer execution instructions stored in the memory 402 to cause the terminal device 40 to execute the data scheduling method in the above method embodiment.
  • the functions/implementation process of the processing module 901 and the transceiver module 902 in FIG. 9 can be implemented by the processor 401 in the terminal device 40 shown in FIG. 4 calling the computer execution instructions stored in the memory 402 .
  • the function/implementation process of the processing module 901 in FIG. 9 can be implemented by the processor 401 in the terminal device 40 shown in FIG. 4 calling the computer execution instructions stored in the memory 402, and the function of the transceiver module 902 in FIG. 9 is implemented.
  • the implementation process can be implemented by the transceiver 403 in the terminal device 40 shown in FIG. 4 .
  • the terminal device 90 provided in this embodiment can execute the above-mentioned data scheduling method, the technical effect that can be obtained may refer to the above-mentioned method embodiments, and details are not repeated here.
  • an embodiment of the present application further provides a communication apparatus (for example, the communication apparatus may be a chip or a chip system), where the communication apparatus includes a processor for implementing the method in any of the foregoing method embodiments.
  • the communication device further includes a memory.
  • the memory is used to store necessary program instructions and data, and the processor can call the program code stored in the memory to instruct the communication apparatus to execute the method in any of the above method embodiments.
  • the memory may also not be in the communication device.
  • the communication device further includes an interface circuit, which is a code/data read/write interface circuit, and the interface circuit is used to receive computer-executed instructions (the computer-executed instructions are stored in the memory, and may be directly from memory read, or possibly through other devices) and transferred to the processor.
  • the communication device is a chip system, it may be composed of a chip, or may include a chip and other discrete devices, which is not specifically limited in this embodiment of the present application.
  • the above-mentioned embodiments it may be implemented in whole or in part by software, hardware, firmware or any combination thereof.
  • a software program it can be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on the computer, all or part of the processes or functions described in the embodiments of the present application are generated.
  • the computer may be a general purpose computer, special purpose computer, computer network, or other programmable device.
  • the 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 downloaded from a website site, computer, server, or data center Transmission to another website site, computer, server, or data center by wire (eg, coaxial cable, optical fiber, digital subscriber line, DSL) or wireless (eg, infrared, wireless, microwave, etc.).
  • the computer-readable storage medium can be any available medium that can be accessed by a computer or data storage devices including one or more servers, data centers, etc. that can be integrated with the medium.
  • the usable media may be magnetic media (eg, floppy disks, hard disks, magnetic tapes), optical media (eg, DVDs), or semiconductor media (eg, solid state disks (SSDs)), and the like.
  • the computer may include the aforementioned apparatus.

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Abstract

Des modes de réalisation de la présente demande concernent un procédé, un appareil et un système de planification de données appliqués à un système permettant d'activer N processus de demande de répétition automatique hybride (HARQ), capables d'améliorer l'utilisation des ressources, et capables également de réduire le surdébit de signalisation et la complexité de mise en œuvre d'un dispositif réseau et d'un dispositif terminal. Le procédé comprend les étapes suivantes : après avoir déterminé un premier retard de planification, le dispositif réseau envoie un premier champ au dispositif terminal, le premier champ servant à indiquer le premier retard de planification; puis le dispositif terminal reçoit le premier champ et détermine le premier retard de planification en fonction du premier champ, le premier retard de planification étant le retard d'informations de commande de liaison descendante correspondant à un premier processus HARQ de planification de premières données, le premier processus HARQ étant n'importe quel processus HARQ dans les N processus HARQ, et lorsque les N processus HARQ sont désactivés, le premier champ étant utilisé pour indiquer l'un quelconque des éléments suivants : le nombre de répétitions des données, un délai d'accusé de réception HARQ (HARQ-ACK), ou un indicateur de saut de fréquence.
PCT/CN2020/107974 2020-08-07 2020-08-07 Procédé, appareil et système de planification de données WO2022027662A1 (fr)

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CN102420683A (zh) * 2010-09-26 2012-04-18 中兴通讯股份有限公司 上行harq进程组合的确定方法及装置

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US20080090573A1 (en) * 2006-10-16 2008-04-17 Samsung Electronics Co., Ltd. Method and apparatus for performing handover of user equipment (ue) during discontinuous reception (drx) operation in mobile communication system
CN101772073A (zh) * 2009-01-05 2010-07-07 中兴通讯股份有限公司 基于时分双工系统的混合自动重传请求的实现方法和装置
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