WO2021147823A1 - Procédé de transmission en liaison montante, terminal mobile et dispositif de réseau - Google Patents

Procédé de transmission en liaison montante, terminal mobile et dispositif de réseau Download PDF

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Publication number
WO2021147823A1
WO2021147823A1 PCT/CN2021/072528 CN2021072528W WO2021147823A1 WO 2021147823 A1 WO2021147823 A1 WO 2021147823A1 CN 2021072528 W CN2021072528 W CN 2021072528W WO 2021147823 A1 WO2021147823 A1 WO 2021147823A1
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WIPO (PCT)
Prior art keywords
transmission
uplink
uplink transmissions
instructions
priority
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PCT/CN2021/072528
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English (en)
Chinese (zh)
Inventor
李娜
潘学明
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维沃移动通信有限公司
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Publication of WO2021147823A1 publication Critical patent/WO2021147823A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria

Definitions

  • the embodiments of the present invention relate to the field of communications, and in particular to an uplink transmission method, mobile terminal and network equipment.
  • 5G 5th Generation
  • the main scenarios of 5G include Enhanced Mobile Broadband (eMBB), Ultra-Reliable and Low Latency Communications (URLLC), Massive Machine Type Communication (mMTC), these scenarios
  • eMBB Enhanced Mobile Broadband
  • URLLC Ultra-Reliable and Low Latency Communications
  • mMTC Massive Machine Type Communication
  • UE User Equipment
  • the UE can support different services.
  • the UE not only supports URLLC low-latency and high-reliability services, but also supports large-capacity and high-rate eMBB services.
  • NR New Radio
  • the time domain of transmission resources may overlap.
  • the single carrier characteristics of the UE will be destroyed, and the difference in transmit power will cause the deterioration of channel estimation performance.
  • multiple uplink transmissions are usually performed. Reuse or discard.
  • the UE when a UE supports different services at the same time, because different services have different delay or reliability requirements, in order to ensure the transmission of high-priority services, the UE will distinguish the priority corresponding to different transmissions, such as high Priority or low priority. Transmissions of different priorities may overlap in resources, and the UE will discard or cancel low-priority transmissions, resulting in inability to perform low-priority transmissions, which affects transmission performance.
  • the purpose of the embodiments of the present invention is to provide an uplink transmission method, mobile terminal and network equipment to improve transmission performance.
  • an uplink transmission method is provided, the method is executed by a mobile terminal, and the method includes: in a case where at least two uplink transmission resources overlap, performing according to the transmission instructions of the at least two uplink transmissions Uplink transmission, where the transmission indication is used to indicate support for multiplexing transmission with other uplink transmissions or transmission according to the priority of the uplink transmission.
  • an uplink transmission method is provided, the method is executed by a network device, and the method includes: configuring or instructing at least two uplink transmission transmission instructions, wherein the transmission instruction is used to indicate When at least two uplink transmission resources overlap, support multiplexing transmission with other uplink transmissions or perform transmission according to the priority of the uplink transmission.
  • a mobile terminal in a third aspect, includes: a transmission module, configured to perform uplink transmission according to the transmission instructions of the at least two uplink transmissions when at least two uplink transmission resources overlap, wherein: The transmission instruction is used to indicate support for multiplexing transmission with other uplink transmissions or transmission according to the priority of the uplink transmission.
  • a network device in a fourth aspect, includes: a processing module for configuring or instructing transmission instructions for at least two uplink transmissions, wherein the transmission instructions are used for instructing the at least two uplink transmissions In the case of resource overlap, it supports multiplexing transmission with other uplink transmissions or transmission according to the priority of the uplink transmission.
  • a mobile terminal in a fifth aspect, includes a processor, a memory, and a computer program stored on the memory and running on the processor.
  • the computer program When the computer program is executed by the processor, Implement the steps of the uplink transmission method as described in the first aspect.
  • a network device in a sixth aspect, includes a processor, a memory, and a computer program that is stored on the memory and can run on the processor.
  • the computer program When the computer program is executed by the processor, The steps of the method for uplink transmission as described in the second aspect are implemented.
  • a computer-readable storage medium is provided, and a computer program is stored on the computer-readable storage medium.
  • the computer program is executed by a processor, the uplink transmission as described in the first and second aspects is realized. Method steps.
  • the uplink transmission is performed according to the transmission instructions of the at least two uplink transmissions.
  • the transmission indication is used to indicate support for multiplexing transmission with other uplink transmissions or transmission according to the priority of the uplink transmission, which can improve transmission performance.
  • Fig. 1 is a schematic flowchart of an uplink transmission method according to an embodiment of the present invention
  • Fig. 2 is another schematic flowchart of an uplink transmission method according to an embodiment of the present invention.
  • Fig. 3 is another schematic flowchart of an uplink transmission method according to an embodiment of the present invention.
  • FIG. 4 is another schematic flowchart of an uplink transmission method according to an embodiment of the present invention.
  • 5a-5h are schematic diagrams of uplink transmission methods according to embodiments of the present invention.
  • Fig. 6 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention.
  • Figure 7 is a schematic structural diagram of a network device according to an embodiment of the present invention.
  • Fig. 8 is a schematic structural diagram of a mobile terminal according to another embodiment of the present invention.
  • Fig. 9 is a schematic structural diagram of a network device according to another embodiment of the present invention.
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • LTE Time Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • mobile terminals may include, but are not limited to, mobile stations (Mobile Station, MS), mobile phones (Mobile Telephone, MT), UE, mobile phones (handset) and portable equipment (portable equipment), and vehicles (vehicle) Etc.
  • the mobile terminal can communicate with one or more core networks via a radio access network (RAN).
  • RAN radio access network
  • the mobile terminal can be a mobile phone (or called a "cellular" phone) with a wireless communication function.
  • the mobile terminal can also be a portable, pocket-sized, handheld, built-in computer or vehicle-mounted mobile device.
  • a network device is a device deployed in a wireless access network to provide a wireless communication function for a mobile terminal.
  • the network device may be a base station, and the base station may include various forms of macro base stations, micro base stations, relay stations, and access points.
  • the names of devices with base station functions may be different.
  • an LTE network it is called an evolved NodeB (evolved NodeB, eNB, or eNodeB)
  • eNodeB evolved NodeB
  • 3G third generation
  • Node B Node B
  • Network equipment, etc. the wording does not constitute a restriction.
  • an embodiment of the present invention provides a method 100 for uplink transmission.
  • the method can be executed by a mobile terminal.
  • the method can be executed by software or hardware installed on the mobile terminal.
  • the method includes the following step:
  • the transmission instruction is used to indicate support for multiplexing with other uplink transmissions, or for transmission according to the priority of the uplink transmission.
  • the transmission instruction may be preset in the mobile terminal, or may be acquired from a network device or other devices.
  • the acquisition methods for different transmissions can be the same or different.
  • the overlap of at least two uplink transmission resources may be, for example, the case where two uplink channels or signals overlap in time; or, the time domain resources do not overlap but the UE is in a time slot or sub
  • the situation where the at least two uplink transmissions cannot be transmitted in a time slot for example, the UE can only transmit one PUCCH carrying HARQ-ACK in one time slot, but the UE has two PUCCH carrying HARQ-ACK in one time slot, And the PUCCH time domain resources of the two HARQ-ACKs do not overlap.
  • At least two uplink transmissions may have the same priority or different priorities. Specifically, no matter the priority of the uplink transmission is the same, different, or there is no priority indication, when at least two uplink transmission resources overlap, the uplink transmission is performed according to the transmission indication of the at least two uplink transmissions.
  • the uplink transmission is performed according to the transmission instructions of the at least two uplink transmissions, wherein the transmission instructions are used to indicate Supporting multiplexing transmission with other uplink transmissions or transmitting according to the priority of the uplink transmission can improve transmission performance.
  • an embodiment of the present invention provides a method 200 for uplink transmission.
  • the method can be executed by a mobile terminal.
  • the method can be executed by software or hardware installed on the mobile terminal.
  • the method includes the following step:
  • the transmission instruction is used to indicate support for multiplexing transmission with other uplink transmissions or transmission according to the priority of the uplink transmission.
  • the at least two uplink transmissions have different priorities. Specifically, in this implementation manner, in a case where at least two uplink transmission resources overlap and the at least two uplink transmissions have different priorities, the UE performs uplink transmission according to the transmission instructions of the at least two uplink transmissions. Correspondingly, in the case where the at least two uplink transmissions have the same priority, there may be no need to obtain the transmission indication. Therefore, when resources overlap, multiplexing transmission with other uplink transmissions can be supported, that is, multiplexing transmission of at least two uplink transmissions, without discarding or canceling low-priority transmissions, thereby improving the transmission performance of low-priority transmissions.
  • the transmission instructions of the at least two uplink transmissions are the same.
  • the UE expects that the transmission indications of the at least two uplink transmissions are the same, that is, it is expected that the transmission indications of the at least two uplink transmissions are both to support multiplexing transmission with other uplink transmissions, or to transmit according to the priority of the uplink transmission ; It is not expected that at least one of the transmission instructions of the at least two uplink transmissions is to support multiplexing transmission with other uplink transmissions, and the other at least one is to transmit according to the priority of the uplink transmission, and the two are different. Therefore, when resources overlap, the UE can determine how to perform transmission based on at least two identical transmission instructions, that is, determine whether to support multiplexing transmission with other uplink transmissions or to perform transmission according to the priority of the uplink transmission.
  • the uplink transmission may be performed according to at least one of the following transmission instructions:
  • uplink transmission can be performed according to the transmission indication corresponding to the dynamically scheduled transmission.
  • uplink transmissions can be performed according to the transmission instructions corresponding to the latest scheduled transmissions.
  • uplink transmission can be performed according to the transmission instruction corresponding to the transmission with a predetermined priority, for example, the transmission instruction corresponding to the high or low priority transmission Perform uplink transmission.
  • uplink transmission may be performed according to the transmission corresponding to the transmission determined by the serving cell index, for example, according to the transmission corresponding to the transmission with the smallest or largest serving cell index.
  • At least two uplink transmissions can be multiplexed for transmission.
  • the transmission is performed according to the priority of the uplink transmission.
  • the uplink transmission priority is used for transmission.
  • at least two uplink transmissions are multiplexed and transmitted for uplink transmission.
  • the transmission can be performed according to the priority of the uplink transmission.
  • the transmission indications indicate support for multiplexing transmission with other uplink transmissions, at least two Multiple uplink transmissions are multiplexed, and all other cases are transmitted according to the priority of the uplink transmission.
  • the above implementations can be used alone, or in combination in some cases, and the order of the combined use is not limited.
  • combining the first and second implementation modes for example, when there are configured transmissions and multiple dynamically scheduled transmissions in at least two transmissions, you can first follow the first implementation mode for dynamically scheduled transmissions and configured transmissions.
  • the uplink transmission can be performed according to the transmission instruction corresponding to the dynamically scheduled transmission, and then the second implementation manner is performed between multiple dynamically scheduled transmissions, that is, the uplink transmission is performed according to the transmission instruction corresponding to the latest scheduled transmission.
  • the UE can determine how to perform transmission based on one of the at least two transmission indications, that is, determine to support the transmission with other uplink transmissions. For multiplexing transmission, transmission is still performed according to the priority of the uplink transmission.
  • the transmission instruction indicates multiplexed transmission, it does not mean that the at least two transmissions must be multiplexed transmission, but that the low-priority transmission is not performed only according to the priority level.
  • the predefined UE behavior is that the UE discards the SR transmission and transmits HARQ-ACK.
  • the uplink transmission is performed according to the transmission instructions of the at least two uplink transmissions, wherein the transmission instructions are used to indicate Supports multiplexing transmission with other uplink transmissions or transmission according to the priority of the uplink transmission, and the at least two uplink transmissions have different priorities, which can improve the transmission performance of the low-priority transmission.
  • the transmission indications of the at least two uplink transmissions are the same, so that the UE can obtain the same transmission indication.
  • the UE can be based on at least two identical transmission indications. Determine how to perform transmission, that is, determine whether to support multiplexing transmission with other uplink transmissions, or to perform transmission according to the priority of the uplink transmission.
  • the uplink transmission is performed according to at least one of the following transmission instructions, and the following transmission instructions include : The transmission indication corresponding to the dynamically scheduled transmission, the transmission indication corresponding to the latest scheduled transmission, the transmission indication corresponding to the transmission with a predetermined priority, and the transmission indication corresponding to the transmission determined according to the serving cell index, so that the UE can be based on at least two transmissions
  • One of the instructions determines how to perform transmission, that is, whether to support multiplexing transmission with other uplink transmissions, or to perform transmission according to the priority of the uplink transmission.
  • an embodiment of the present invention provides a method 300 for uplink transmission, which can be executed by a mobile terminal and network equipment, in other words, the method can be implemented by software or hardware installed on the mobile terminal and network equipment. Execution, the method includes the following steps:
  • the network device configures or instructs at least two transmission instructions for uplink transmission.
  • the transmission instruction is used to indicate that when the at least two uplink transmission resources overlap, multiplexing transmission with other uplink transmissions is supported or transmission is performed according to the priority of the uplink transmission.
  • the transmission indication is indicated through radio resource control (Radio Resource Control, RRC) configuration or downlink control information (Downlink Control Information, DCI), that is, the foregoing transmission indication is determined through an RRC configuration or a DCI indication or a predefined manner.
  • RRC Radio Resource Control
  • DCI Downlink Control Information
  • At least a transmission instruction corresponding to each of the two uplink transmissions is provided, and the transmission instruction is used to indicate whether to support multiplexing transmission with other uplink transmissions or to perform transmission according to the priority of the uplink transmission.
  • part or all of the transmission instructions in the at least two uplink transmissions may be configured through RRC, or part or all of the transmission instructions in the at least two uplink transmissions may be instructed through DCI, which may be determined in a predefined manner. Part or all of the transmission indications in the two uplink transmissions.
  • the transmission includes: a scheduling request (Scheduling Request, SR), a configuration grant (Configured grant, CG) physical uplink shared channel (Physical Uplink Shared Channel) , PUSCH), semi-persistent scheduling (Semi-Persistent Scheduling, SPS) physical downlink shared channel (Physical Downlink Shared Channel, PDSCH) HARQ-ACK, channel state information (Channel State information, CSI), sounding reference signal (Sounding Reference Signal, At least one of SRS and Physical Uplink Control Channel-beam Failure Recovery (PUCCH-BFR, that is, BFR transmitted through PUCCH).
  • SR scheduling request
  • CG Physical uplink shared channel
  • PUSCH Physical Uplink Shared Channel
  • SPS Service-Persistent Scheduling
  • Physical Downlink shared channel Physical Downlink Shared Channel
  • HARQ-ACK channel state information
  • channel state information Channel State information
  • CSI Channel State information
  • Sounding reference signal Sounding Reference Signal
  • the transmission indication may be a newly added parameter in RRC, for example, adding a multiplexing or priority indication parameter multiplexing Or Prioritization-indicator, or multiplexing-indicator, or priority-indicator, such as multiplexing, in addition to the existing RRC parameters
  • the value of Or Prioritization-indicator is multiplexing or prioritization.
  • the transmission indication corresponding to a certain uplink transmission is multiplexing, it means that the uplink transmission supports multiplexing with other uplink transmissions; when the value is prioritization, it means that the uplink transmission does not support multiplexing with other uplink transmissions.
  • Other uplink transmissions are multiplexed, but are transmitted according to the priority of the uplink transmission and other uplink transmissions. For example, other uplink transmissions are uplink transmissions that overlap with the uplink transmission time domain resources.
  • the HARQ-ACK of the SPS PDSCH may include the HARQ-ACK of the SPS PDSCH reception or the SPS release, and the HARQ-ACK transmission indication of the SPS PDSCH may be configured under the corresponding SPS PDSCH configuration to indicate the HARQ corresponding to the SPS PDSCH. -Whether ACK is allowed to be multiplexed with other uplink transmissions.
  • the CSI may include at least one of periodic CSI or Semi-Persistent CSI on PUCCH (Semi-Persistent CSI on PUCCH).
  • SRS may include: periodic SRS, SP-SRS, and SRS triggered by group common DCI.
  • the transmission includes: dynamically scheduled (DG) PUSCH, CSI, and dynamically scheduled PDSCH hybrid automatic repeat request response (Hybrid At least one of Automatic Repeat request acknowledgement, HARQ-ACK) and SRS.
  • DG dynamically scheduled
  • CSI dynamically scheduled PUSCH
  • CSI dynamically scheduled PDSCH hybrid automatic repeat request response
  • HARQ-ACK Hybrid At least one of Automatic Repeat request acknowledgement
  • the CSI indicated by DCI may include aperiodic CSI (Aperiodic Channel State Information on PUSCH, A-CSI on PUSCH) on PUSCH, semi-persistent CSI (SP-CSI on PUSCH) on PUSCH, and aperiodic CSI on PUCCH. At least one of CSI (A-CSI on PUCCH).
  • the SRS may include at least one of a semi-persistent SRS or an aperiodic SRS, where the aperiodic SRS may be an SRS triggered by a UE-specific DCI (for example, DCI 1_1,0_1, etc.).
  • the dynamic scheduling here refers to scheduling with a corresponding PDCCH.
  • the transmission indication may be a reinterpretation of an existing bit field in the DCI or a newly added bit field in the DCI, such as multiplexing or priority indicator field multiplexing or priority indicator field or multiplexing-indicator field, or priority-indicator field.
  • S312 The mobile terminal obtains a transmission instruction from the network device.
  • the mobile terminal may respectively determine the transmission instructions of the at least two uplink transmissions through RRC configuration or DCI indication.
  • the transmission includes: at least one of HARQ-ACK of SR, CSI, CG PUSCH, SPS PDSCH, PUCCH-BFR, and SRS.
  • the UE can determine the transmission indication through the newly added parameters in RRC, such as multiplexing Or Prioritization-indicator.
  • the HARQ-ACK of the SPS PDSCH may include the HARQ-ACK of the SPS PDSCH reception or the SPS release, and the HARQ-ACK transmission indication of the SPS PDSCH may be configured under the corresponding SPS PDSCH configuration to indicate the HARQ corresponding to the SPS PDSCH.
  • the CSI may include at least one of periodic CSI or semi-persistent CSI on PUCCH.
  • SRS may include: periodic SRS (periodic SRS) SP-SRS (Semi-Persistent SRS), a-periodic SRS (a-periodic SRS) triggered by group common DCI (for example, DCI format 2_3).
  • the transmission includes at least one of DG PUSCH, CSI, HARQ-ACK of the dynamically scheduled PDSCH, and SRS.
  • the UE can determine the transmission indication through the existing bit field in the DCI or the newly added bit field in the DCI, such as multiplexing or priority-indicator field.
  • the CSI indicated by the DCI may include at least one of A-CSI on PUSCH, SP-CSI on PUSCH, and aperiodic CSI (A-CSI on PUCCH) on PUCCH.
  • the SRS may include at least one of a semi-persistent SRS or an aperiodic SRS, where the aperiodic SRS may be an SRS triggered by a UE-specific DCI (for example, DCI 1_1,0_1, etc.). It should be noted that the dynamic scheduling here refers to scheduling with a corresponding PDCCH.
  • the transmission indication may be a reinterpretation of an existing bit field in the DCI or a newly added bit field in the DCI, such as multiplexing or priority indicator field multiplexing or priority indicator field or multiplexing-indicator field, or priority-indicator field.
  • This step may be similar to the corresponding step S114 in the embodiment of FIG. 1, and will not be repeated here.
  • an embodiment of the present invention provides a method 400 for uplink transmission.
  • the method can be executed by a mobile terminal and a network device.
  • the method can be implemented by software or hardware installed on the mobile terminal and the network device. Execution, the method includes the following steps:
  • the network device configures or instructs at least two transmission instructions for uplink transmission.
  • the transmission instruction is used to indicate that when the at least two uplink transmission resources overlap, multiplexing transmission with other uplink transmissions is supported or transmission is performed according to the priority of the uplink transmission.
  • this step may be similar to the corresponding step S322 in the embodiment of FIG. 3, and the transmission instruction is indicated through RRC configuration or DCI.
  • the transmission includes at least one of HARQ-ACK of SR, CSI, CG PUSCH, SPS PDSCH, PUCCH-BFR, and SRS.
  • the transmission instructions of the at least two uplink transmissions are respectively indicated through the DCI, the transmission includes at least one of DG PUSCH, CSI, HARQ-ACK of the dynamically scheduled PDSCH, and SRS. I won't repeat them here.
  • the at least two uplink transmissions have different priorities.
  • the network device configures or instructs transmission instructions for at least two uplink transmissions.
  • the at least two uplink transmissions may also have the same priority.
  • the transmission instructions of the at least two uplink transmissions are the same.
  • the UE expects that the transmission indications of the at least two uplink transmissions are the same, that is, it is expected that the transmission indications of the at least two uplink transmissions are both to support multiplexing transmission with other uplink transmissions, or to transmit according to the priority of the uplink transmission . Therefore, the network device configures or indicates the same transmission instructions for at least two uplink transmissions.
  • the transmission instructions include: a transmission instruction corresponding to a dynamically scheduled transmission, a transmission instruction corresponding to a newly scheduled transmission, and At least one of a transmission indication corresponding to the priority transmission and a transmission indication corresponding to the transmission determined according to the serving cell index.
  • S412 The mobile terminal obtains a transmission instruction from the network device.
  • this step may be similar to step S312 corresponding to the embodiment in FIG. 3, and the transmission instructions of the at least two uplink transmissions may be determined respectively through RRC configuration or DCI indication.
  • the transmission includes: at least one of HARQ-ACK of SR, CSI, CG PUSCH, SPS PDSCH, PUCCH-BFR, and SRS.
  • the transmission includes: at least one of DG PUSCH, CSI, SP-CSI on PUSCH, HARQ-ACK of dynamically scheduled PDSCH, and SRS kind. I won't repeat them here.
  • This step may be similar to the corresponding step S114 in the embodiment in FIG. 1 or the corresponding step S214 in the embodiment in FIG. 2, and will not be repeated here.
  • Fig. 5a is a schematic diagram of an uplink transmission method according to an embodiment of the present invention.
  • DCI 2 is an uplink grant (UL grant), which is scheduled PUSCH transmission, according to the priority indication in the UL grant (see parameter P in the figure), the priority corresponding to the PUSCH is determined to be low priority, and according to the transmission indication in the UL grant, such as multiplexing/prioritization indication (see the parameter in the figure) M), determining that the PUSCH is allowed to be multiplexed with channels of different priorities (assuming that the transmission indication is used to indicate whether multiplexing with transmissions of different priorities is allowed).
  • DCI 1 is the downlink DCI, and instructs its scheduled PDSCH to be fed back on the HARQ-ACK PUCCH, and according to the priority indicator and multiplexing/prioritization indicator in the DCI, the HARQ-ACK PUCCH is determined to be a high-priority channel, and different priorities are allowed The channels are multiplexed.
  • the mobile terminal obtains the above transmission instruction from the network device.
  • the uplink transmission is performed according to the transmission instructions of the at least two uplink transmissions. Since the multiplexing/prioritization indications corresponding to the two channels both indicate multiplexing, the HARQ-ACK is multiplexed and transmitted on the PUSCH when a certain time requirement is met.
  • the time requirement may be a multiplexing time requirement.
  • Figure 5b is a schematic diagram of an uplink transmission method according to an embodiment of the present invention.
  • the network device indicates a transmission indication through DCI.
  • DCI2 is UL grant
  • PUSCH transmission is scheduled, according to UL grant.
  • the priority indication determines that the priority corresponding to the PUSCH is low priority, and according to the multiplexing/prioritization indication in the UL grant, it is determined that the PUSCH is allowed to be multiplexed with channels of different priorities.
  • the uplink transmission is performed according to the transmission instructions of the at least two uplink transmissions.
  • the multiplexing/prioritization indications corresponding to the two channels are different, at least one of the following methods may be used for transmission.
  • Manner 1 Similar to the second implementation method introduced in step S214 of the embodiment in FIG. 2, according to the transmission indication corresponding to the latest scheduled transmission, for example, the channel corresponding to the start symbol of the DCI or the channel with the end symbol late, that is, the indication in DCI 1 , HARQ-ACK with high priority cannot be multiplexed with PUSCH with low priority. Therefore, when a certain time requirement is met, the UE will discard or cancel PUSCH transmission and transmit HARQ-ACK PUCCH.
  • the time requirement can be a discard/cancel time requirement.
  • Manner 2 Similar to the third implementation method introduced in step S214 of the embodiment in FIG. 2, it is determined according to the transmission indication corresponding to the transmission with a predetermined priority, such as a high-priority channel, that is, the multiplexing/prioritization indication corresponding to HARQ-ACK PUCCH . Since the multiplexing/prioritization indication corresponding to HARQ-ACK PUCCH is priorityitization, that is, channels with different priorities are not allowed to be multiplexed. Therefore, when a certain time requirement is met, the UE will discard or cancel PUSCH transmission and transmit HARQ-ACK PUCCH. The time requirement can be discarded or cancelled.
  • a predetermined priority such as a high-priority channel
  • Manner 3 Similar to the third implementation manner introduced in step S214 of the embodiment of FIG. 2, it is determined according to the transmission instruction corresponding to the transmission with the predetermined priority, for example, according to the low priority channel, that is, the multiplexing/prioritization instruction corresponding to the PUSCH. Since the multiplexing/prioritization indication corresponding to PUSCH is multiplexing, that is, channels with different priorities are allowed to be multiplexed. Therefore, when a certain time requirement is met, the UE transmits HARQ-ACK on the PUSCH. The time requirement may be a multiplexing time requirement.
  • Manner 4 Similar to the sixth implementation manner introduced in step S214 of the embodiment in FIG. 2, the UE can multiplex only when the multiplexing/prioritization indications of different channels are all multiplexing, otherwise it is prioritization. Therefore, when the indications of different channels are different, the UE does not multiplex channels with different priorities. Therefore, when a certain time requirement is met, the UE will discard or cancel PUSCH transmission and transmit HARQ-ACK PUCCH. The time requirement can be discarded or cancelled.
  • Manner 5 Similar to the fifth implementation manner introduced in step S214 of the embodiment in FIG. 2, as long as the indication of any one of the overlapping channels or signals is multiplexing, the UE can be multiplexed. Therefore, when the indications of different channels are different, the UE multiplexes channels with different priorities. Therefore, when a certain time requirement is met, the UE transmits HARQ-ACK on the PUSCH.
  • the time requirement may be a multiplexing time requirement.
  • Figure 5c is a schematic diagram of an uplink transmission method according to an embodiment of the present invention.
  • the network device indicates the transmission indication through DCI, and DCI 1 is the downlink DCI, and indicates that the scheduled PDSCH is on HARQ-ACK PUCCH
  • the HARQ-ACK PUCCH is determined to be a low priority channel, and according to its multiplexing/prioritization indication, the indication is multiplexing, that is, multiplexing with channels of different priorities is allowed.
  • CG PUSCH is configured to authorize PUSCH.
  • the corresponding priority is determined to be high priority
  • the mobile terminal obtains the above transmission instruction from the network device.
  • the uplink transmission is performed according to the transmission instructions of the at least two uplink transmissions.
  • the transmission can be performed in the following manner.
  • Manner 6 Similar to the first implementation method introduced in step S214 of the embodiment in FIG. 2, according to the multiplexing/prioritization indicator of the dynamically scheduled channel, that is, the multiplexing/prioritization indicator of HARQ-ACK PUCCH, so HARQ-ACK is multiplexed on PUSCH Therefore, when a certain time requirement is met, and therefore when a certain time requirement is met, the UE transmits HARQ-ACK on the PUSCH.
  • the time requirement may be a multiplexing time requirement.
  • this step may also use at least one of the manners 2-5 in the embodiment of FIG.
  • Figure 5d is a schematic diagram of an uplink transmission method according to an embodiment of the present invention.
  • the network device configures transmission instructions through RRC.
  • CSI PUCCH is periodic CSI, which is of low priority, and RRC configures it.
  • CG PUSCH determines its priority as high priority, multiplexing according to its RRC configuration.
  • the mobile terminal obtains the above transmission instruction from the network device.
  • the uplink transmission is performed according to the transmission instructions of the at least two uplink transmissions. In this step, the following methods can be used for transmission.
  • Manner 7 Similar to the third implementation manner introduced in step S214 of the embodiment in FIG. 2, it is determined according to the high-priority channel, that is, the multiplexing/prioritization instruction corresponding to the CG PUSCH. Since the multiplexing/prioritization indication corresponding to CG PUSCH is multiplexing, that is, channels with different priorities are allowed to be multiplexed. Therefore, when a certain time requirement is met, and therefore when a certain time requirement is met, the UE multiplexes the CSI for transmission on the PUSCH. In particular, the certain time requirement here may be a multiplexing time requirement.
  • this step may also be used for transmission in the manner 4-5 in the embodiment of FIG. 5b, which will not be repeated here.
  • FIG. 5e is a schematic diagram of an uplink transmission method according to an embodiment of the present invention.
  • the network device configures a transmission indication through RRC, for example, HARQ-ACK feedback of SPS PDSCH when carried by HARQ-ACK PUCCH, It is transmitted on the primary serving cell (Primary cell, PCell) of the primary serving cell/primary cell group.
  • RRC Radio Resource Control
  • the transmission mode is priorityitization.
  • the CG PUSCH is configured on CC1 and its priority is high. Priority, the transmission mode is multiplexing.
  • the mobile terminal obtains the above transmission instruction from the network device.
  • uplink transmission is performed according to the transmission instructions of the at least two uplink transmissions. In this step, the following methods can be used for uplink transmission.
  • the transmission corresponding to the transmission determined according to the serving cell index is determined according to the indication corresponding to the channel with the small index of the serving cell, that is, HARQ-ACK
  • the multiplexing/prioritization indication corresponding to PUCCH is confirmed. Since the multiplexing/prioritization indication corresponding to HARQ-ACK PUCCH is priorityitization, that is, channels with different priorities are not allowed to be multiplexed. Therefore, when a certain time requirement is met, and therefore when a certain time requirement is met, the UE will transmit the CG PUSCH and discard the HARQ-ACK PUCCH. The time requirement can be discarded or cancelled.
  • this step can also be used for transmission in the manner 3-5 in the embodiment of FIG. 5a, which will not be repeated here.
  • Figure 5f is a schematic diagram of an uplink transmission method according to an embodiment of the present invention.
  • the network device indicates a transmission indication through DCI.
  • HARQ-ACK PUCCH is scheduled by DCI 1, and there is no corresponding in DCI 1.
  • Priority indication that is, HARQ-ACK PUCCH has no corresponding priority
  • CG PUSCH is also not configured with priority.
  • CG PUSCH is configured with multiplexing/prioritization as multiplexing.
  • the mobile terminal obtains the above transmission instruction from the network device.
  • the uplink transmission is performed according to the transmission instructions of the at least two uplink transmissions.
  • the UE determines the transmission mode according to the multiplexing/prioritization indication of different channels, including:
  • the transmission indication corresponding to the transmission according to the dynamic scheduling the transmission indication corresponding to the transmission determined according to the serving cell index, or only when different
  • the UE can multiplex.
  • the UE cannot multiplex different channels for transmission. Therefore, the UE can only transmit one of the channels and discard the other channel.
  • the UE transmits HARQ-ACK, cancels PUSCH transmission, or The UE transmits PUSCH and cancels HARQ-ACK PUCCH transmission.
  • the UE needs to meet a certain time requirement to discard one of the channels.
  • Figure 5g is a schematic diagram of an uplink transmission method according to an embodiment of the present invention.
  • the UE first schedules the low-priority HARQ-ACK PUCCH1 and then schedules the high-priority HARQ-ACK PUCCH2, both of which are in the same In the time slot, there is no overlap in time, but the UE can only transmit at most one PUCCH carrying HARQ-ACK in a time slot, so the UE cannot transmit two channels at the same time.
  • step S422 the network device configures or instructs at least two transmission instructions for uplink transmission HARQ-ACK PUCCH1 and HARQ-ACK PUCCH2, and the transmission instructions are all multiplexing transmission (multiplexing).
  • the mobile terminal obtains a transmission instruction from the network device.
  • the UE can multiplex the two channels on one channel for transmission, that is, multiplex the low-priority HARQ-ACK and the high-priority HARQ-ACK.
  • the multiplexed channel can be HARQ-ACK PUCCH1 or Any channel in HARQ-ACK PUCCH2 may also be the third channel other than the two.
  • Figure 5h is a schematic diagram of an uplink transmission method according to an embodiment of the present invention.
  • the UE schedules HARQ-ACK PUCCH, and its priority is high priority.
  • the transmission indication obtained by the UE is multiplexing, HARQ-ACK PUCCH and CSI PUCCH overlaps in the time domain, where CSI is periodic CSI, its priority is low priority, and its transmission indication is predefined as multiplexing, then the UE multiplexes HARQ-ACK and CSI on one channel for transmission, assuming multiplexing
  • the latter channel is PUCCH2.
  • the PUCCH2 and the PUSCH scheduled by the UE overlap in the time domain (the PUSCH does not overlap with HARQ-ACK PUCCH or CSI PUCCH in the figure), where the priority of PUSCH is low priority, and the transmission indication is multiplexing.
  • PUCCH2 is a multiplexed channel
  • its priority or transmission indication can be determined by its multiplexed transmission, for example, by its multiplexed content (HARQ-ACK and CSI), signal or channel.
  • the priority is the highest priority in the multiplexed information
  • the transmission instruction is that the multiplexing is determined according to the transmission instruction of the multiplexing content/channel.
  • the transmission instruction of the multiplexed transmission is multiplexing.
  • the transmission indication of the multiplexed channel is multiplexing, or it can also be considered that as long as it is a multiplexed channel, the transmission indication is multiplexing, then the PUCCH2 in this embodiment
  • the transmission indication is multiplexing.
  • the UE since the transmission indication of the PUSCH is also multiplexing, the UE multiplexes the content carried on PUCCH2 onto the PUSCH for transmission.
  • multiplexing transmission needs to meet a certain time requirement.
  • the transmission indication of the channel in the embodiment of the present invention may be determined by the content carried by it, for example, the transmission indication of PUCCH is determined by the transmission indication of HARQ-ACK, CSI or SR carried by it.
  • the channel transmission indication in the embodiment of the present invention may also be a scheduling or configuration transmission indication.
  • the transmission indication of a dynamically scheduled PUSCH is indicated by DCI
  • the transmission indication of a configured authorized PUSCH is configured by RRC.
  • the Medium Access Control (MAC) layer determines whether to perform CG PUSCH transmission, and the MAC layer can determine whether to transmit CG PUSCH according to the transmission instruction, for example, If the MAC layer has acquired at least two transmission indications, if at least two transmission indications support multiplexing transmission with other uplink transmissions, the MAC may decide to send CG PUSCH, otherwise the MAC may not send CG PUSCH. Therefore, it can be used when resources are not supported. In the case of multiplexing, avoid resource overlap at the physical layer.
  • Fig. 6 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention. As shown in FIG. 6, the mobile terminal 600 includes: a transmission module 610.
  • the transmission module 610 is configured to perform uplink transmission according to the transmission instructions of the at least two uplink transmissions when at least two uplink transmission resources overlap, where the transmission instructions are used to indicate support for multiplexing transmission with other uplink transmission or The transmission is performed according to the priority of the uplink transmission.
  • the at least two uplink transmissions have different priorities.
  • the transmission instructions of the at least two uplink transmissions are the same.
  • the transmission module 610 is configured to perform uplink transmission according to at least one of the following transmission instructions when the transmission instructions of the at least two uplink transmissions are not the same, and the following transmission instructions include: dynamic The transmission indication corresponding to the scheduled transmission, the transmission indication corresponding to the latest scheduled transmission, the transmission indication corresponding to the transmission with a predetermined priority, and the transmission indication corresponding to the transmission determined according to the serving cell index.
  • the transmission module 610 is configured to determine the transmission instructions of the at least two uplink transmissions respectively through RRC configuration or DCI instructions before the uplink transmission is performed.
  • the transmission module 610 when the transmission module 610 separately determines the transmission indications of the at least two uplink transmissions through the RRC configuration, the transmission includes: HARQ-ACK of SR, CSI, CG PUSCH, SPS PDSCH, At least one of PUCCH-BFR and SRS.
  • the transmission module 610 when the transmission module 610 separately determines the transmission instructions of the at least two uplink transmissions through DCI instructions, the transmission includes: DG PUSCH, CSI, SP-CSI on PUSCH, and dynamically scheduled At least one of HARQ-ACK and SRS of PDSCH.
  • the mobile terminal 600 can refer to the processes of the methods 100-200 corresponding to the embodiments of the present invention, and each unit/module in the mobile terminal 600 and the above-mentioned other operations and/or functions are respectively intended to implement the method 100-
  • the corresponding process in 200 can achieve the same or equivalent technical effect. For the sake of brevity, it will not be repeated here.
  • Fig. 7 is a schematic structural diagram of a network device according to an embodiment of the present invention. As shown in FIG. 7, the network device 700 includes: a processing module 710.
  • the processing module 710 is configured to configure or indicate transmission instructions for at least two uplink transmissions, where the transmission instructions are used to indicate that when the at least two uplink transmission resources overlap, support multiplexing transmission with other uplink transmissions or according to The priority of the uplink transmission is transmitted.
  • the at least two uplink transmissions have different priorities.
  • the transmission instructions of the at least two uplink transmissions are the same.
  • the transmission instructions include at least one of the following transmission instructions: a transmission instruction corresponding to a dynamically scheduled transmission, The transmission indication corresponding to the latest scheduled transmission, the transmission indication corresponding to the transmission with a predetermined priority, and the transmission indication corresponding to the transmission determined according to the serving cell index.
  • the configuring or instructing the transmission instruction includes: instructing the transmission instruction through RRC configuration or DCI.
  • the transmission when the processing module 710 configures the transmission indications of the at least two uplink transmissions through RRC, the transmission includes: HARQ-ACK of SR, CSI, CG PUSCH, SPS PDSCH, PUCCH- At least one of BFR and SRS.
  • the transmission includes: DG PUSCH, CSI, HARQ-ACK of the dynamically scheduled PDSCH, SRS At least one of.
  • the network device 700 can refer to the processes of the methods 300-400 corresponding to the embodiments of the present invention, and each unit/module in the network device 700 and the other operations and/or functions mentioned above are used to implement the method 300-
  • the corresponding process executed by the network equipment in 400 can achieve the same or equivalent technical effect. For the sake of brevity, it will not be repeated here.
  • Fig. 8 is a block diagram of a mobile terminal according to another embodiment of the present invention.
  • the mobile terminal 800 shown in FIG. 8 includes: at least one processor 801, a memory 802, at least one network interface 804, and a user interface 803.
  • the various components in the mobile terminal 800 are coupled together through the bus system 805.
  • the bus system 805 is used to implement connection and communication between these components.
  • the bus system 805 also includes a power bus, a control bus, and a status signal bus.
  • various buses are marked as the bus system 805 in FIG. 8.
  • the user interface 803 may include a display, a keyboard, a pointing device (for example, a mouse, a trackball), a touch panel or a touch screen, etc.
  • the memory 802 in the embodiment of the present invention may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), and electrically available Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • DDRSDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • Enhanced SDRAM, ESDRAM Synchronous Link Dynamic Random Access Memory
  • Synchlink DRAM Synchronous Link Dynamic Random Access Memory
  • DRRAM Direct Rambus RAM
  • the memory 802 stores the following elements, executable modules or data structures, or a subset of them, or an extended set of them: operating system 8021 and application programs 8022.
  • the operating system 8021 includes various system programs, such as a framework layer, a core library layer, a driver layer, etc., for implementing various basic services and processing hardware-based tasks.
  • the application program 8022 includes various application programs, such as a media player (Media Player), a browser (Browser), etc., which are used to implement various application services.
  • the program for implementing the method of the embodiment of the present invention may be included in the application 8022.
  • the mobile terminal 800 further includes: a computer program stored in the memory 802 and capable of running on the processor 801. The computer program is executed by the processor 801 to implement the steps of the following methods 100-200.
  • the method disclosed in the foregoing embodiment of the present invention may be applied to the processor 801 or implemented by the processor 801.
  • the processor 801 may be an integrated circuit chip with signal processing capabilities. In the implementation process, the steps of the foregoing method can be completed by an integrated logic circuit of hardware in the processor 801 or instructions in the form of software.
  • the aforementioned processor 801 may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (ASIC), a field programmable gate array (Field Programmable Gate Array, FPGA) or other Programmable logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC application specific integrated circuit
  • FPGA field Programmable Gate Array
  • Programmable logic devices discrete gates or transistor logic devices, discrete hardware components.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the steps of the method disclosed in combination with the embodiments of the present invention may be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a computer-readable storage medium that is mature in the field, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers.
  • the computer-readable storage medium is located in the memory 802, and the processor 801 reads information in the memory 802, and completes the steps of the above method in combination with its hardware.
  • a computer program is stored on the computer-readable storage medium, and when the computer program is executed by the processor 801, the steps in the above-mentioned method 100-200 embodiments are implemented.
  • the embodiments described in the embodiments of the present invention may be implemented by hardware, software, firmware, middleware, microcode, or a combination thereof.
  • the processing unit can be implemented in one or more application specific integrated circuits (ASIC), digital signal processor (Digital Signal Processing, DSP), digital signal processing equipment (DSP Device, DSPD), programmable Logic device (Programmable Logic Device, PLD), Field-Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processors, controllers, microcontrollers, microprocessors, and others for performing the functions described in this application Electronic unit or its combination.
  • ASIC application specific integrated circuits
  • DSP Digital Signal Processing
  • DSP Device digital signal processing equipment
  • PLD programmable Logic Device
  • PLD Field-Programmable Gate Array
  • FPGA Field-Programmable Gate Array
  • the technology described in the embodiments of the present invention can be implemented by modules (for example, procedures, functions, etc.) that execute the functions described in the embodiments of the present invention.
  • the software codes can be stored in the memory and executed by the processor.
  • the memory can be implemented in the processor or external to the processor.
  • the mobile terminal 800 can implement various processes implemented by the mobile terminal in the foregoing embodiments, and can achieve the same or equivalent technical effects. To avoid repetition, details are not described herein again.
  • FIG. 9 is a structural diagram of a network device applied in an embodiment of the present invention, which can implement the details of the network device execution in the method embodiments 300-400, and achieve the same effect.
  • the network device 900 includes: a processor 901, a transceiver 902, a memory 903, and a bus interface, where:
  • the network device 900 further includes: a computer program that is stored in the memory 903 and can run on the processor 901. The computer program is executed by the processor 901 to implement the steps performed by the network device in the methods 300-400. .
  • the bus architecture may include any number of interconnected buses and bridges. Specifically, one or more processors represented by the processor 901 and various circuits of the memory represented by the memory 903 are linked together.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits. These are all well-known in the art, and therefore, this article will not further describe them.
  • the bus interface provides the interface.
  • the transceiver 902 may be a plurality of elements, including a transmitter and a receiver, and provide a unit for communicating with various other devices on the transmission medium.
  • the processor 901 is responsible for managing the bus architecture and general processing, and the memory 903 can store data used by the processor 901 when performing operations.
  • the embodiment of the present invention also provides a computer-readable storage medium, and a computer program is stored on the computer-readable storage medium.
  • a computer program is stored on the computer-readable storage medium.
  • the computer program is executed by a processor, the network in the above method embodiments 100-200 or the method embodiments 300-400 is implemented.
  • Each process performed by the equipment can achieve the same technical effect. In order to avoid repetition, it will not be repeated here.
  • the computer-readable storage medium such as read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk, or optical disk, etc.
  • the technical solution of the present invention essentially or the part that contributes to the existing technology can be embodied in the form of a software product, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, The optical disc) includes several instructions to make a terminal (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the method described in each embodiment of the present invention.
  • a terminal which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.

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

Abstract

Des modes de réalisation de la présente invention concernent un procédé de transmission en liaison montante, un terminal mobile et un dispositif de réseau. Le procédé consiste à : dans le cas où les ressources d'au moins deux transmissions en liaison montante se chevauchent, réaliser une transmission en liaison montante conformément à une indication de transmission des au moins deux transmissions en liaison montante. L'indication de transmission est utilisée pour indiquer une transmission multiplexée avec une autre transmission en liaison montante ou pour effectuer une transmission en fonction des priorités des transmissions en liaison montante.
PCT/CN2021/072528 2020-01-21 2021-01-18 Procédé de transmission en liaison montante, terminal mobile et dispositif de réseau WO2021147823A1 (fr)

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