WO2021097687A1 - Procédé de détermination de ressources de domaine temporel, dispositif, et appareil terminal - Google Patents

Procédé de détermination de ressources de domaine temporel, dispositif, et appareil terminal Download PDF

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Publication number
WO2021097687A1
WO2021097687A1 PCT/CN2019/119540 CN2019119540W WO2021097687A1 WO 2021097687 A1 WO2021097687 A1 WO 2021097687A1 CN 2019119540 W CN2019119540 W CN 2019119540W WO 2021097687 A1 WO2021097687 A1 WO 2021097687A1
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WIPO (PCT)
Prior art keywords
transmission
time
time domain
domain position
sfi information
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PCT/CN2019/119540
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English (en)
Chinese (zh)
Inventor
方昀
徐婧
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Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to PCT/CN2019/119540 priority Critical patent/WO2021097687A1/fr
Priority to CN201980099922.3A priority patent/CN114342509A/zh
Publication of WO2021097687A1 publication Critical patent/WO2021097687A1/fr

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    • 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
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices

Definitions

  • the embodiments of the present application relate to the field of mobile communication technology, and in particular to a method and device for determining time domain resources, and terminal equipment.
  • the uplink and downlink resources are configured in a time division manner.
  • a slot there may be uplink symbols (UL symbols), downlink symbols (DL symbols), and flexible symbols (flexible symbols). ).
  • the uplink symbols, downlink symbols, and flexible symbols can be configured by semi-static high-level signaling (referred to as semi-static configuration for short).
  • semi-static configuration for short.
  • semi-statically configured flexible symbols it can also be indicated as uplink symbols or downlink symbols or flexible symbols through dynamic downlink control information (DCI).
  • DCI dynamic downlink control information
  • URLLC Ultra-Reliable Low Latency
  • PUSCH physical uplink shared channel
  • the receiving time of the SFI may be in any time domain position of the PUSCH transmission of URLLC. If the terminal device and the network side understand the effective time of the dynamic SFI The inconsistency will cause PUSCH to fail to transmit or receive at the correct time, and thus fail to meet the high reliability and low latency performance requirements of URLLC.
  • SFI Slot Format Indicator
  • the embodiments of the present application provide a method and device for determining time domain resources, and terminal equipment.
  • the terminal device receives at least one piece of SFI information, and each piece of SFI information in the at least one piece of SFI information has an effective time;
  • the terminal device determines the actual available time domain resources corresponding to each transmission in the repeated transmission based on the time domain information of at least one transmission in the repeated transmission and the effective time of the at least one SFI information.
  • a receiving unit configured to receive at least one piece of SFI information, where each piece of SFI information in the at least one piece of SFI information has an effective time
  • the determining unit is configured to determine the actual available time domain resources corresponding to each transmission in the repeated transmission based on the time domain information of at least one transmission in the repeated transmission and the effective time of the at least one SFI information.
  • the terminal device provided in the embodiment of the present application includes a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the above-mentioned method for determining time domain resources.
  • the chip provided in the embodiment of the present application is used to implement the above-mentioned method for determining time domain resources.
  • the chip includes: a processor, configured to call and run a computer program from the memory, so that the device installed with the chip executes the above-mentioned method for determining time domain resources.
  • the computer-readable storage medium provided by the embodiment of the present application is used to store a computer program, and the computer program enables a computer to execute the above-mentioned method for determining time domain resources.
  • the computer program product provided by the embodiment of the present application includes computer program instructions, and the computer program instructions cause a computer to execute the above-mentioned method for determining time domain resources.
  • the computer program provided in the embodiment of the present application when it runs on a computer, causes the computer to execute the above-mentioned method for determining time domain resources.
  • FIG. 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application.
  • FIG. 2 is a schematic flowchart of a method for determining time domain resources provided by an embodiment of this application;
  • FIG. 3 is a first schematic diagram of the symbol direction of time domain resources provided by an embodiment of this application.
  • FIG. 4 is a second schematic diagram of the symbol direction of the time domain resource provided by an embodiment of this application.
  • FIG. 5 is a third schematic diagram of the symbol direction of time domain resources provided by an embodiment of this application.
  • FIG. 6 is a fourth schematic diagram of the symbol direction of time domain resources provided by an embodiment of this application.
  • FIG. 7 is a fifth schematic diagram of the symbol direction of time domain resources provided by an embodiment of this application.
  • FIG. 8 is a schematic diagram of the structural composition of an apparatus for determining a time domain resource provided by an embodiment of the application.
  • FIG. 9 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a chip of an embodiment of the present application.
  • FIG. 11 is a schematic block diagram of a communication system provided by an embodiment of the present application.
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • 5G communication system 5G communication system or future communication system.
  • the communication system 100 applied in the embodiment of the present application is shown in FIG. 1.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal 120 (or called a communication terminal or terminal).
  • the network device 110 may provide communication coverage for a specific geographic area, and may communicate with terminals located in the coverage area.
  • the network device 110 may be an evolved base station (Evolutional Node B, eNB, or eNodeB) in an LTE system, or a wireless controller in a cloud radio access network (Cloud Radio Access Network, CRAN), or
  • the network equipment can be a mobile switching center, a relay station, an access point, an in-vehicle device, a wearable device, a hub, a switch, a bridge, a router, a network side device in a 5G network, or a network device in a future communication system, etc.
  • the communication system 100 also includes at least one terminal 120 located within the coverage area of the network device 110.
  • the "terminal” used here includes, but is not limited to, connection via a wired line, such as via a public switched telephone network (PSTN), digital subscriber line (Digital Subscriber Line, DSL), digital cable, and direct cable connection; And/or another data connection/network; and/or via a wireless interface, such as for cellular networks, wireless local area networks (WLAN), digital TV networks such as DVB-H networks, satellite networks, AM-FM Broadcast transmitter; and/or another terminal's device configured to receive/send communication signals; and/or Internet of Things (IoT) equipment.
  • PSTN public switched telephone network
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • DSL Digital Subscriber Line
  • a terminal set to communicate through a wireless interface may be referred to as a "wireless communication terminal", a “wireless terminal” or a “mobile terminal”.
  • mobile terminals include, but are not limited to, satellite or cellular phones; Personal Communications System (PCS) terminals that can combine cellular radio phones with data processing, fax, and data communication capabilities; can include radio phones, pagers, Internet/intranet PDA with internet access, web browser, memo pad, calendar, and/or Global Positioning System (GPS) receiver; and conventional laptop and/or palmtop receivers or others including radio telephone transceivers Electronic device.
  • PCS Personal Communications System
  • GPS Global Positioning System
  • Terminal can refer to access terminal, user equipment (UE), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication equipment, user agent or user Device.
  • the access terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital processing (Personal Digital Assistant, PDA), with wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminals in 5G networks, or terminals in the future evolution of PLMN, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • direct terminal connection (Device to Device, D2D) communication may be performed between the terminals 120.
  • the 5G communication system or 5G network may also be referred to as a New Radio (NR) system or NR network.
  • NR New Radio
  • FIG. 1 exemplarily shows one network device and two terminals.
  • the communication system 100 may include multiple network devices and the coverage of each network device may include other numbers of terminals. This embodiment of the present application There is no restriction on this.
  • the communication system 100 may also include other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • the devices with communication functions in the network/system in the embodiments of the present application may be referred to as communication devices.
  • the communication device may include a network device 110 and a terminal 120 with communication functions, and the network device 110 and the terminal 120 may be the specific devices described above, which will not be repeated here; communication
  • the device may also include other devices in the communication system 100, such as other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • the basic frame structure of NR takes time slots as the basic granularity.
  • the symbols in each time slot are divided into three categories: downlink symbols, uplink symbols and flexible symbols.
  • the configuration of the NR frame structure adopts a combination of semi-static configuration (that is, configuration achieved through radio resource control (Radio Resource Control, RRC) signaling) and dynamic configuration (that is, configuration achieved through DCI) for flexible configuration.
  • RRC Radio Resource Control
  • DCI configuration achieved through DCI
  • both the configuration implemented through RRC signaling (belonging to the high-level configuration) and the configuration implemented through the DCI (being in the physical layer configuration) can modify the frame structure.
  • the mutual coverage rules of semi-static configuration, semi-static measurement configuration, dynamic SFI and DCI are as follows:
  • the configuration of semi-statically configured uplink symbols and downlink symbols cannot be modified.
  • the configuration of semi-statically configured flexible symbols can be modified by semi-static measurement configuration, dynamic SFI and DCI configuration.
  • the configuration of uplink symbols and downlink symbols in the semi-static measurement configuration can be changed by the dynamic SFI and DCI configuration. Once the change occurs, the behaviors related to the semi-static measurement will be terminated.
  • a possible technical solution is that when the network is configured with dynamic SFI (hereinafter referred to as dynamic SFI), if the terminal device receives the dynamic SFI, when the dynamic SFI indicates the downlink symbol or the flexible symbol, the terminal The device cannot perform PUSCH transmission on downlink symbols or flexible symbols, so the terminal device needs to determine the symbols that can be used for repeated transmission based on the symbol direction indicated by the dynamic SFI.
  • the effective time of the dynamic SFI may be located anywhere in the repeated transmission. At this time, a clear point in time is required to determine the effective time of the dynamic SFI. To this end, the following technical solutions of the embodiments of the present application are proposed.
  • FIG. 2 is a schematic flowchart of a method for determining a time domain resource provided by an embodiment of the application. As shown in FIG. 2, the method for determining a time domain resource includes the following steps:
  • Step 201 The terminal device receives at least one piece of SFI information, and each piece of SFI information in the at least one piece of SFI information has an effective time.
  • the at least one piece of SFI information is periodically transmitted in the time domain.
  • the terminal device Based on the configuration of the SFI information by the network device, the terminal device can determine at which time domain location to receive the SFI information.
  • the network device may be a base station, such as a gNB.
  • the terminal device receives the first SFI information in slot n-2k+m, and receives the second SFI information in slot n-k.
  • the transmission period of SFI information is k-m slots.
  • each SFI information in the at least one SFI information has an effective time. Further, the effective time of each SFI information is determined based on the receiving moment, the first time length, and the second time length of the SFI information; wherein, the effective time of the SFI information refers to the time from the first time domain position to the second time domain Position time, the first time domain position is obtained based on the receiving time of the SFI information plus the first time length, and the second time domain position is obtained based on the first time domain position plus the second time length .
  • the terminal device receives the first SFI information at the first time (such as slot n-2k+m), and the effective time of the first SFI information is from “first time + T0" to "first time + T0 + T1" Time, where T0 is the first duration, and T1 is the second duration.
  • the terminal device receives the second SFI information at the second time (such as slot nk), and the effective time of the second SFI information is the time from "the second time + T0" to "the second time + T0 + T1", where T0 is Is the first duration, and T1 is the second duration.
  • first duration and/or second duration (that is, T0 and/or T1) of different SFI information may be the same or different.
  • the SFI information is used to indicate the direction of the symbol that is semi-statically configured as a flexible symbol for a period of time in the future.
  • the SFI in the embodiments of the present application may also be referred to as a dynamic SFI (Dynamic SFI).
  • Dynamic SFI Dynamic SFI
  • Step 202 The terminal device determines the actual available time domain resources corresponding to each transmission in the repeated transmission based on the time domain information of at least one transmission in the repeated transmission and the effective time of the at least one SFI information.
  • the terminal device receives the first configuration information sent by the network device, the first configuration information is used to configure repeated transmission, the number of repetitions of the repeated transmission is N times, and N is a positive integer.
  • the network device may be a base station, such as a gNB.
  • the actually available time domain resources may be actually available uplink resources.
  • the terminal device determines the actual available time domain corresponding to each transmission in the repeated transmission based on the time domain information of at least one transmission in the repeated transmission and the effective time of the at least one SFI information Resources can be realized in the following ways:
  • the terminal device determines all the transmissions in the repeated transmission based on the start time domain position of the first transmission in the repeated transmission, the processing time required for the first transmission, and the effective time of the at least one SFI information The corresponding actual available time domain resources.
  • the terminal device determines the third time domain position based on the start time domain position of the first transmission in the repeated transmission and the processing time required for the first transmission; the third time domain position is based on the The starting time domain position of the first transmission is obtained by subtracting the processing time required for the first transmission; the terminal device determines that the third time domain position is located at the first effective time, and the first effective time is The effective time of the first SFI information in the at least one SFI information is determined based on the first SFI information and actual available time domain resources corresponding to all transmissions in the repeated transmission.
  • the start time domain refers to the start symbol.
  • the symbol in the embodiment of the present application refers to the time domain symbol, such as Orthogonal Frequency Division Multiplexing (OFDM). )symbol.
  • OFDM Orthogonal Frequency Division Multiplexing
  • the terminal device receives dynamic SFI1 in slot n-2k+m, and receives dynamic SFI2 in slot n-k.
  • the period of the dynamic SFI is k-m slots
  • the dynamic SFI1 and the dynamic SFI2 are used to indicate the symbol direction of the semi-static configuration as a flexible symbol for a period of time in the future.
  • the dynamic SFI1 or SFI2 takes effect after adding T0 to the receiving time of the SFI1 or SFI2, and the effective time is T1. 2.
  • the terminal device determines the actual available uplink corresponding to all the transmissions in the repeated transmission based on the reception of the two dynamic SFIs, T0 and T1, and the start symbol position of the first transmission in the repeated transmission and the processing time required to process the transmission. Resources.
  • the three transmissions include: nominal PUSCH1 (Nominal PUSCH1) transmission, Nominal PUSCH2 transmission, and Nominal PUSCH3 transmission.
  • the starting symbol of Nominal PUSCH1 transmission (that is, the first transmission) is symbol 2
  • symbol 2 is within the effective time of dynamic SFI1
  • the symbol direction of the flexible symbol indicated by SFI1 (the flexible symbol is determined by the semi-static configuration) is :
  • the symbol directions of symbol 3 to symbol 9 are U U U D D D D, where U represents the upstream direction and D represents the downstream direction.
  • the symbol direction of the flexible symbol indicated by SFI1 determine the actual available uplink resources corresponding to Nominal PUSCH1 transmission from symbol2 to symbol5, and the actual available uplink resources corresponding to Nominal PUSCH2 transmission from symbol 10 to symbol13, corresponding to Nominal PUSCH3 transmission
  • the actual available uplink resources range from symbol 0 to symbol 5.
  • the terminal device determines the actual available time domain resource corresponding to the transmission based on the starting time domain position of each transmission in the repeated transmission, the processing time required for the transmission, and the effective time of the at least one SFI information.
  • the terminal device determines the third time domain position based on the start time domain position of each transmission in the repeated transmission and the processing time required for this transmission; the third time domain position is based on the start time of this transmission.
  • the initial time domain position is obtained by subtracting the processing time required for this transmission; the terminal device determines that the third time domain position is located at the first effective time, and the first effective time is the first in the at least one SFI information
  • the effective time of the SFI information is determined based on the first SFI information and the actual available time domain resources corresponding to the transmission.
  • the start time domain refers to a start symbol. It should be noted that the symbol in the embodiment of the present application refers to a time domain symbol, such as an OFDM symbol.
  • the terminal device receives dynamic SFI1 in slot n-2k+m, and receives dynamic SFI2 in slot n-k.
  • the period of the dynamic SFI is k-m slots
  • the dynamic SFI1 and the dynamic SFI2 are used to indicate the symbol direction of the semi-static configuration as a flexible symbol for a period of time in the future.
  • the dynamic SFI1 or SFI2 takes effect after adding T0 to the receiving time of the SFI1 or SFI2, and the effective time is T1. 2.
  • the terminal device determines the actual available uplink resources corresponding to the transmission based on the receiving of the two dynamic SFIs, T0 and T1, and the starting symbol position of each transmission in the repeated transmission and the processing time required to process the transmission.
  • the three transmissions include: Nominal PUSCH1 transmission, Nominal PUSCH2 transmission, and Nominal PUSCH3 transmission.
  • U represents the upstream direction and D represents the downstream direction.
  • the symbol direction of the flexible symbol indicated by SFI1 it is determined that the actual available uplink resources corresponding to Nominal PUSCH1 transmission are symbol 2 to symbol 5.
  • the terminal device determines that the repeated transmission is in progress based on the start time domain position of the time slot where the first transmission in the repeated transmission is located, the processing time required for the first transmission, and the effective time of the at least one SFI information The actual available time domain resources corresponding to all transmissions.
  • the terminal device determines the fourth time domain position based on the starting time domain position of the time slot where the first transmission in the repeated transmission is located and the processing time required for the first transmission; the fourth time domain The position is obtained based on the starting time domain position of the time slot where the first transmission is located minus the processing time required for the first transmission; the terminal device determines that the fourth time domain position is at the first effective time, so The first effective time is the effective time of the first SFI information in the at least one SFI information, and the actual available time domain resources corresponding to all transmissions in the repeated transmission are determined based on the first SFI information.
  • the start time domain refers to a start symbol. It should be noted that the symbol in the embodiment of the present application refers to a time domain symbol, such as an OFDM symbol.
  • the terminal device receives dynamic SFI1 in slot n-2k+m, and receives dynamic SFI2 in slot n-k.
  • the period of the dynamic SFI is k-m slots
  • the dynamic SFI1 and the dynamic SFI2 are used to indicate the symbol direction of the semi-static configuration as a flexible symbol for a period of time in the future.
  • the dynamic SFI1 or SFI2 takes effect after adding T0 to the receiving time of the SFI1 or SFI2, and the effective time is T1. 2.
  • the terminal equipment determines the corresponding to all the transmissions in the repeated transmission based on the reception of the two dynamic SFIs, T0 and T1, and the start symbol position of the time slot where the first transmission in the repeated transmission is located and the processing time required to process the transmission. Actually available uplink resources.
  • the three transmissions include: Nominal PUSCH1 transmission, Nominal PUSCH2 transmission, and Nominal PUSCH3 transmission.
  • the time slot of Nominal PUSCH1 transmission (that is, the first transmission) is slot n
  • the start symbol symbol 0 of slot n is within the effective time of dynamic SFI1
  • the flexible symbol indicated by SFI1 (this flexible symbol is determined by the semi-static configuration)
  • the symbol directions of) are: symbol 3 to symbol 9 respectively: U U U D D D D, where U represents the upstream direction and D represents the downstream direction.
  • the actual available uplink resources corresponding to Nominal PUSCH1 transmission are symbol 2 to symbol 5
  • the actual available uplink resources corresponding to Nominal PUSCH2 transmission are symbol 10 to symbol 13
  • Nominal PUSCH3 transmission The corresponding actual available uplink resources are symbol 0 to symbol 5.
  • the terminal device determines the actual available time corresponding to the transmission based on the starting time domain position of the time slot for each transmission in the repeated transmission, the processing time required for the transmission, and the effective time of the at least one SFI information Domain resources.
  • the terminal device determines the fourth time domain position based on the starting time domain position of the time slot in which each transmission in the repeated transmission is located and the processing time required for this transmission; the fourth time domain position is based on the The starting time domain position of the transmission is obtained by subtracting the processing time required for this transmission; the terminal device determines that the fourth time domain position is located at the first effective time, and the first effective time is in the at least one SFI information The effective time of the first SFI information is determined based on the first SFI information and the actual available time domain resources corresponding to the transmission.
  • the start time domain refers to a start symbol. It should be noted that the symbol in the embodiment of the present application refers to a time domain symbol, such as an OFDM symbol.
  • the terminal device receives dynamic SFI1 in slot n-2k+m, and receives dynamic SFI2 in slot n-k.
  • the period of the dynamic SFI is k-m slots
  • the dynamic SFI1 and the dynamic SFI2 are used to indicate the symbol direction of the semi-static configuration as a flexible symbol for a period of time in the future.
  • the dynamic SFI1 or SFI2 takes effect after adding T0 to the receiving time of the SFI1 or SFI2, and the effective time is T1. 2.
  • the terminal equipment determines the actual available uplink resource corresponding to the transmission based on the starting symbol position of the time slot where each transmission in the two dynamic SFIs, T0 and T1 are received and the processing time required to process the transmission in the repeated transmission. .
  • the three transmissions include: Nominal PUSCH1 transmission, Nominal PUSCH2 transmission, and Nominal PUSCH3 transmission.
  • (A) The time slot where the Nominal PUSCH1 is transmitted is slot n, the starting symbol symbol 0 of slot n is within the effective time of dynamic SFI1, and the symbol direction of the flexible symbol indicated by SFI1 is: symbol 3 to symbol 9 They are: U U U D D D D, where U represents the upstream direction and D represents the downstream direction. According to the symbol direction of the flexible symbol indicated by SFI1, it is determined that the actual available uplink resources corresponding to Nominal PUSCH1 transmission are symbol 2 to symbol 5.
  • the time slot where the Nominal PUSCH2 is transmitted is slot n, the starting symbol symbol 0 of slot n is within the effective time of dynamic SFI1, and the symbol directions of the flexible symbols indicated by SFI1 are: symbol 3 to symbol 9 respectively : U U D D D, according to the symbol direction of the flexible symbol indicated by SFI1, it is determined that the actual available uplink resource corresponding to Nominal PUSCH2 transmission is symbol 10 to symbol 13.
  • the time slot for Nominal PUSCH3 transmission is slot n+1, and the starting symbol symbol of slot n+1 is within the effective time of dynamic SFI2, and the symbol direction of the flexible symbol indicated by SFI2 is: symbol 3 to symbol 9.
  • the symbol directions are: U U U U D D. According to the symbol direction of the flexible symbol indicated by SFI2, it is determined that the actual available uplink resources corresponding to Nominal PUSCH3 transmission are symbol 0 to symbol 5.
  • the terminal device determines the fifth time domain position based on the starting time domain position of the first time slot and the processing time required for this transmission, and based on the starting time domain position of the second time slot and this transmission The processing time required to determine the sixth time domain position; the fifth time domain position is obtained based on the starting time domain position of the first time slot minus the processing time required for this transmission; the sixth time domain position is based on The starting time domain position of the second time slot is obtained by subtracting the processing time required for this transmission; the terminal device determines that the fifth time domain position is located at the second effective time and the sixth time domain position is located at the second effective time.
  • Three effective time, the second effective time and the third effective time are respectively the effective time of the second SFI information and the third SFI information in the at least one SFI information, and this time is determined based on the second SFI information
  • the actual available time domain resource corresponding to the first sub-part of the transmission, and the actual available time domain resource corresponding to the second sub-part of the transmission is determined based on the third SFI information.
  • a nominal PUSCH occupies two slots, specifically, symbols 12 to 13 (corresponding to the first subsection) of slot n and symbols 0 to symbol 3 (corresponding to the second subsection) of slot n+1, Then for symbol 12 to symbol 13 of slot n, the SFI corresponding to slot n (that is, the SFI corresponding to the effective time of the start symbol of slot n) is used to determine the symbol direction of the flexible symbol. For symbols 0 to symbol of slot n+1 3 The SFI corresponding to slot n+1 (that is, the SFI corresponding to the effective time at which the start symbol of slot n+1 is located) is used to determine the symbol direction of the flexible symbol.
  • the terminal device determines the actual available time domain resources corresponding to all transmissions in the repeated transmission based on the semi-static configuration. Alternatively, if the terminal device does not correctly receive the first SFI information, the terminal device determines the actual available time domain resource corresponding to the transmission based on the semi-static configuration.
  • the terminal device may not receive dynamic SFI1 in slot n-2k+m, and/or not receive dynamic SFI2 in slot n-k. It should be noted that when the terminal device does not receive the SFI, it will only affect the symbol configuration within the effective time of the SFI. In the case that the dynamic SFI is not received, the flexible symbol is processed in a flexible manner. Specifically, the flexible symbol cannot be transmitted in the uplink or can be transmitted in the uplink.
  • the terminal device does not receive dynamic SFI1 in slot n-2k+m, but receives dynamic SFI2 in slot n, then the symbol configuration within the effective time corresponding to dynamic SFI1 is still determined according to the semi-static configuration, and The symbol configuration within the effective time corresponding to the dynamic SFI2 needs to be determined according to the configuration of the dynamic SFI2, and the specific determination method can be combined with any one of the above-mentioned methods 1 to 4.
  • the processing time required for transmission in the above solution is obtained based on the first time parameter or the second time parameter plus the first offset value; wherein, the first time parameter is the UE processing capability 2
  • the first time parameter is used to characterize the processing time of the terminal device for PUSCH;
  • the second time parameter is the T_proc2 parameter in UE processing capability 2, and the second time parameter is used to characterize the The processing time required by the terminal equipment from receiving the last symbol of the downlink control information DCI for scheduling the PUSCH to sending the first symbol of the PUSCH.
  • the first offset value is the additional time required for processing multiple overlapping uplink channels (such as PUSCH) configured by the network for the terminal device. Further, optionally, the first offset value is semi-statically configured; or, the first offset value is dynamically configured; or, the first offset value is a default value.
  • FIG. 8 is a schematic diagram of the structural composition of an apparatus for determining a time domain resource provided by an embodiment of the application, which is applied to a terminal device.
  • the apparatus for determining a time domain resource includes:
  • the receiving unit 801 is configured to receive at least one piece of SFI information, where each piece of SFI information in the at least one piece of SFI information has an effective time;
  • the determining unit 802 is configured to determine the actual available time domain resources corresponding to each transmission in the repeated transmission based on the time domain information of at least one transmission in the repeated transmission and the effective time of the at least one SFI information.
  • the effective time of each SFI information is determined based on the receiving time, the first duration, and the second duration of the SFI information;
  • the effective time of the SFI information refers to the time from the first time domain position to the second time domain position
  • the first time domain position is obtained based on the receiving time of the SFI information plus the first time length
  • the second time domain position is obtained based on the first time domain position plus the second time length.
  • the determining unit 802 is configured to perform a calculation based on the start time domain position of the first transmission in the repeated transmission, the processing time required for the first transmission, and the at least one SFI information.
  • the effective time determines the actual available time domain resources corresponding to all transmissions in the repeated transmission.
  • the determining unit 802 is configured to determine the third time domain position based on the start time domain position of the first transmission in the repeated transmission and the processing time required for the first transmission;
  • the third time domain position is obtained based on the start time domain position of the first transmission minus the processing time required for the first transmission; it is determined that the third time domain position is located at the first effective time, the The first effective time is the effective time of the first SFI information in the at least one SFI information, and the actual available time domain resources corresponding to all transmissions in the repeated transmission are determined based on the first SFI information.
  • the determining unit 802 is configured to determine based on the start time domain position of each transmission in the repeated transmission, the processing time required for this transmission, and the effective time of the at least one SFI information The actual available time domain resources corresponding to this transmission.
  • the determining unit 802 is configured to determine a third time domain position based on the starting time domain position of each transmission in the repeated transmission and the processing time required for this transmission; the third time domain position The time domain position is obtained based on the starting time domain position of the transmission minus the processing time required for the transmission; it is determined that the third time domain position is located at the first effective time, and the first effective time is the at least one SFI The effective time of the first SFI information in the information is determined based on the first SFI information and the actual available time domain resources corresponding to the transmission.
  • the determining unit 802 is configured to be based on the starting time domain position of the time slot where the first transmission in the repeated transmission is located, the processing time required for the first transmission, and the at least one The effective time of the SFI information determines the actual available time domain resources corresponding to all transmissions in the repeated transmission.
  • the determining unit 802 is configured to determine the fourth time based on the start time domain position of the time slot where the first transmission in the repeated transmission is located and the processing time required for the first transmission. Domain position; the fourth time domain position is obtained based on the start time domain position of the time slot where the first transmission is located minus the processing time required for the first transmission; it is determined that the fourth time domain position is located in the first An effective time, the first effective time is the effective time of the first SFI information in the at least one SFI information, and the actual available time domain corresponding to all the transmissions in the repeated transmission is determined based on the first SFI information Resources.
  • the determining unit 802 is configured to be based on the starting time domain position of the time slot of each transmission in the repeated transmission, the processing time required for this transmission, and the validity of the at least one SFI information Time, determine the actual available time domain resources corresponding to this transmission.
  • the determining unit 802 is configured to determine the fourth time domain position based on the starting time domain position of the time slot in which each transmission in the repeated transmission is located and the processing time required for this transmission; The fourth time domain position is obtained based on the starting time domain position of the transmission minus the processing time required for the transmission; it is determined that the fourth time domain position is located at the first effective time, and the first effective time is the The effective time of the first SFI information in the at least one SFI information is determined based on the first SFI information and the actual available time domain resources corresponding to the transmission.
  • the determining unit 802 is further configured to determine a fifth time domain position based on the starting time domain position of the first time slot and the processing time required for this transmission, and based on the starting time domain position of the second time slot
  • the position and the processing time required for this transmission determine the sixth time domain position
  • the fifth time domain position is obtained based on the starting time domain position of the first time slot minus the processing time required for this transmission
  • the six time domain position is obtained based on the starting time domain position of the second time slot minus the processing time required for this transmission; it is determined that the fifth time domain position is at the second effective time and the sixth time domain position is at
  • the third effective time, the second effective time and the third effective time are respectively the effective time of the second SFI information and the third SFI information in the at least one piece of SFI information, which is determined based on the second SFI information
  • the actual available time domain resources corresponding to the first sub-part of the second transmission, and the actual available time domain resources corresponding to the second sub-part of the second transmission are determined
  • the processing time required for the transmission is obtained based on the first time parameter or the second time parameter plus the first offset value
  • the first time parameter is the N2 parameter in UE processing capability 2, and the first time parameter is used to characterize the processing time of the terminal equipment for the physical uplink shared channel PUSCH;
  • the second time parameter is the UE processing The T_proc2 parameter in capability 2, the second time parameter is used to characterize the processing time required by the terminal device from receiving the last symbol of the downlink control information DCI for scheduling the PUSCH to sending the first symbol of the PUSCH.
  • the first offset value is semi-statically configured; or,
  • the first offset value is dynamically configured; or,
  • the first offset value is a default value.
  • the determining unit 802 is further configured to determine the actual available time domain resources corresponding to all transmissions in the repeated transmission based on the semi-static configuration if the first SFI information is not correctly received .
  • the determining unit 802 is further configured to determine the actual available time domain resource corresponding to the transmission based on the semi-static configuration if the first SFI information is not correctly received.
  • the receiving unit 801 is further configured to receive first configuration information sent by the network device, the first configuration information is used to configure repeated transmission, and the number of repetitions of repeated transmission is N Times, N is a positive integer.
  • the at least one piece of SFI information is periodically transmitted in the time domain.
  • time-domain resource determining apparatus in the embodiment of the present application can be understood with reference to the relevant description of the time-domain resource determining method in the embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of a communication device 900 provided by an embodiment of the present application.
  • the communication device may be a terminal device or a network device.
  • the communication device 900 shown in FIG. 9 includes a processor 910, and the processor 910 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the communication device 900 may further include a memory 920.
  • the processor 910 can call and run a computer program from the memory 920 to implement the method in the embodiment of the present application.
  • the memory 920 may be a separate device independent of the processor 910, or may be integrated in the processor 910.
  • the communication device 900 may further include a transceiver 930, and the processor 910 may control the transceiver 930 to communicate with other devices. Specifically, it may send information or data to other devices, or receive other devices. Information or data sent by the device.
  • the transceiver 930 may include a transmitter and a receiver.
  • the transceiver 930 may further include an antenna, and the number of antennas may be one or more.
  • the communication device 900 may specifically be a network device of an embodiment of the application, and the communication device 900 may implement the corresponding process implemented by the network device in each method of the embodiment of the application. For the sake of brevity, details are not repeated here. .
  • the communication device 900 may specifically be a mobile terminal/terminal device of an embodiment of the present application, and the communication device 900 may implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • I won’t repeat it here.
  • FIG. 10 is a schematic structural diagram of a chip of an embodiment of the present application.
  • the chip 1000 shown in FIG. 10 includes a processor 1010, and the processor 1010 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the chip 1000 may further include a memory 1020.
  • the processor 1010 can call and run a computer program from the memory 1020 to implement the method in the embodiment of the present application.
  • the memory 1020 may be a separate device independent of the processor 1010, or may be integrated in the processor 1010.
  • the chip 1000 may further include an input interface 1030.
  • the processor 1010 can control the input interface 1030 to communicate with other devices or chips, and specifically, can obtain information or data sent by other devices or chips.
  • the chip 1000 may further include an output interface 1040.
  • the processor 1010 can control the output interface 1040 to communicate with other devices or chips, and specifically, can output information or data to other devices or chips.
  • the chip can be applied to the network device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application.
  • the chip mentioned in the embodiment of the present application may also be referred to as a system-level chip, a system-on-chip, a system-on-chip, or a system-on-chip, etc.
  • FIG. 11 is a schematic block diagram of a communication system 1100 according to an embodiment of the present application. As shown in FIG. 11, the communication system 1100 includes a terminal device 1110 and a network device 1120.
  • the terminal device 1110 can be used to implement the corresponding function implemented by the terminal device in the above method
  • the network device 1120 can be used to implement the corresponding function implemented by the network device in the above method. For brevity, it will not be repeated here. .
  • the processor of the embodiment of the present application may be an integrated circuit chip with signal processing capability.
  • the steps of the foregoing method embodiments can be completed by hardware integrated logic circuits in the processor or instructions in the form of software.
  • the above-mentioned processor can be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (ASIC), a ready-made programmable gate array (Field Programmable Gate Array, FPGA) or other Programming 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
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application can 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 can be located in a mature storage medium in the field, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers.
  • the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory 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 random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM random access memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • DDR SDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • Enhanced SDRAM, ESDRAM Enhanced Synchronous Dynamic Random Access Memory
  • Synchronous Link Dynamic Random Access Memory Synchronous Link Dynamic Random Access Memory
  • DR RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and so on.
  • static random access memory static random access memory
  • DRAM dynamic random access memory
  • SDRAM Synchronous dynamic random access memory
  • double data rate synchronous dynamic random access memory double data rate SDRAM, DDR SDRAM
  • enhanced synchronous dynamic random access memory enhanced synchronous dynamic random access memory
  • ESDRAM enhanced synchronous dynamic random access memory
  • synchronous connection Dynamic random access memory switch link DRAM, SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • the embodiment of the present application also provides a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium can be applied to the network device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application For the sake of brevity, I won’t repeat it here.
  • the embodiments of the present application also provide a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program product can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application, For the sake of brevity, I will not repeat them here.
  • the embodiment of the present application also provides a computer program.
  • the computer program can be applied to the network device in the embodiment of the present application.
  • the computer program runs on the computer, it causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • I won’t repeat it here.
  • the computer program can be applied to the mobile terminal/terminal device in the embodiment of the present application.
  • the computer program runs on the computer, the computer executes each method in the embodiment of the present application. For the sake of brevity, the corresponding process will not be repeated here.
  • the disclosed system, device, and method may be implemented in other ways.
  • the device embodiments described above are merely illustrative.
  • the division of the units is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or It can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • the functional units in the various embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
  • the technical solution of the present application essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory,) ROM, random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code .

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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Abstract

Les modes de réalisation de la présente invention concernent un procédé de détermination de ressources de domaine temporel, un dispositif, et un appareil terminal, le procédé comprenant les étapes suivantes : l'appareil terminal reçoit au moins une information d'indication de format d'intervalle (SFI) de temps, chaque information de SFI parmi l'au moins une information de SFI ayant un temps efficace; l'appareil terminal détermine la ressource de domaine temporel disponible réelle correspondant à chaque transmission dans la transmission répétée sur la base des informations de domaine temporel d'au moins une transmission dans la transmission répétée et du temps efficace de l'au moins une information de SFI.
PCT/CN2019/119540 2019-11-19 2019-11-19 Procédé de détermination de ressources de domaine temporel, dispositif, et appareil terminal WO2021097687A1 (fr)

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CN201980099922.3A CN114342509A (zh) 2019-11-19 2019-11-19 一种时域资源确定方法及装置、终端设备

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