WO2021073018A1 - Procédé et dispositif pour déterminer et indiquer une ressource de transmission d'informations de système - Google Patents

Procédé et dispositif pour déterminer et indiquer une ressource de transmission d'informations de système Download PDF

Info

Publication number
WO2021073018A1
WO2021073018A1 PCT/CN2020/074799 CN2020074799W WO2021073018A1 WO 2021073018 A1 WO2021073018 A1 WO 2021073018A1 CN 2020074799 W CN2020074799 W CN 2020074799W WO 2021073018 A1 WO2021073018 A1 WO 2021073018A1
Authority
WO
WIPO (PCT)
Prior art keywords
indication information
information
network device
indication
downlink resource
Prior art date
Application number
PCT/CN2020/074799
Other languages
English (en)
Chinese (zh)
Inventor
吴作敏
Original Assignee
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.)
Filing date
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 CN202080056890.1A priority Critical patent/CN114208353A/zh
Publication of WO2021073018A1 publication Critical patent/WO2021073018A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • This application relates to the field of communication technology, in particular to methods and devices for determining and indicating system information transmission resources, network equipment, and terminal equipment.
  • Unlicensed spectrum is a spectrum that can be used for radio equipment communications divided by countries and regions. This spectrum is usually considered to be a shared spectrum, that is, communication devices in different communication systems as long as they meet the regulatory requirements set by the country or region on the spectrum. To use this spectrum, it is not necessary to apply for a proprietary spectrum authorization from the government.
  • LBT Listen Before Talk
  • the LBT method can be the channel access method of frame-based equipment (FBE).
  • FBE frame-based equipment
  • the frame structure appears periodically.
  • a frame structure includes channel occupancy time (COT). ),free time.
  • COT channel occupancy time
  • the communication device monitors the channel during the idle time. If the channel monitoring succeeds, the COT in the next fixed frame period can be used to transmit signals; if the channel monitoring fails, the COT in the next fixed frame period cannot be used to transmit signals.
  • SI System Information
  • a method and device for determining and indicating system information transmission resources, network equipment, and terminal equipment are provided.
  • the present application provides a method for determining system information transmission resources.
  • the method is applied to a terminal device and includes: receiving first instruction information sent by a network device, where the first instruction information is used for Determine a target downlink resource; obtain the target downlink resource according to the first indication information, wherein the terminal device receives the system information sent by the network device through the target downlink resource.
  • the present application provides a method for indicating system information transmission resources.
  • the method is applied to a network device and includes: sending first instruction information to a terminal device, where the first instruction information is used to determine A target downlink resource, where the terminal device receives the system information sent by the network device through the target downlink resource.
  • the present application provides an apparatus for determining system information transmission resources, which is configured in a terminal device and includes at least a receiving module for receiving first indication information sent by a network device.
  • the indication information is used to determine a target downlink resource; the obtaining module is used to obtain the target downlink resource according to the first indication information, wherein the terminal device receives the system information sent by the network device through the target downlink resource.
  • the present application provides an indicating device for system information transmission resources, which is configured in a network device and includes at least an indicating module for sending first instruction information to a terminal device.
  • the first instruction The information is used to determine a target downlink resource, and the terminal device receives the system information sent by the network device through the target downlink resource.
  • the present application provides a terminal device including a processor, a memory, and one or more programs, wherein the one or more programs are stored in the memory and are configured by The processor executes, and the program includes instructions for executing operations in any method applied to the terminal device in the embodiments of the present application.
  • the present application provides a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program for electronic data exchange, wherein the computer program causes a computer to execute a system such as Part or all of the operations described in the method for determining information transmission resources.
  • the present application provides a computer program product, wherein the computer program product includes a non-transitory computer-readable storage medium storing a computer program, and the computer program is operable to cause a computer to execute
  • the computer program product may be a software installation package.
  • the present application provides a network device including a processor, a memory, a communication interface, and one or more programs, wherein the one or more programs are stored in the memory and are The configuration is executed by the processor, and the program includes instructions for executing operations in any method applied to a network device in the embodiments of the present application.
  • the present application provides a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program for electronic data exchange, wherein the computer program causes a computer to execute a system such as Part or all of the operations described in the method for indicating information transmission resources.
  • the present application provides a computer program product, wherein the computer program product includes a non-transitory computer-readable storage medium storing a computer program, and the computer program is operable to cause a computer to execute Such as part or all of the operations described in the method for indicating system information transmission resources.
  • the computer program product may be a software installation package.
  • the terminal device when a network device sends system information to a terminal device, the terminal device is configured with indication information that can be used to determine the target downlink resource for receiving the system information through the network device. Therefore, it is possible to implement network devices of different device types.
  • the terminal device adopts the corresponding system information receiving method, so in the NR-U (NR-based access to unlicensed spectrum, NR-U) system, when the network device is FBE, the terminal device can reduce the system information on the target downlink resource The complexity of detection.
  • NR-U NR-based access to unlicensed spectrum, NR-U
  • Fig. 1 is a schematic structural diagram of a communication system disclosed in an embodiment of the present application.
  • Fig. 2 is a schematic diagram of an FBE-based channel access method provided by an embodiment of the present application.
  • FIG. 3 is a schematic diagram of SSB candidate positions in a DRS window provided by an embodiment of the present application.
  • Fig. 4 is a schematic flowchart of a method for determining system information transmission resources proposed in an embodiment of the present application.
  • Fig. 5 is a schematic flowchart of a method for indicating system information transmission resources proposed by an embodiment of the present application.
  • Fig. 6 is a schematic diagram of an apparatus for determining system information transmission resources according to an embodiment of the present application.
  • Fig. 7 is a schematic structural diagram of an interrupt device disclosed in an embodiment of the present application.
  • Fig. 8 is a schematic diagram of a device for indicating system information transmission resources according to an embodiment of the present application.
  • Fig. 9 is a schematic diagram of another system information transmission resource indicating device according to an embodiment of the present application.
  • Fig. 10 is a schematic diagram of another system information transmission resource indicating device according to an embodiment of the present application.
  • Fig. 11 is a schematic diagram of another system information transmission resource indicating device according to an embodiment of the present application.
  • Fig. 12 is a schematic structural diagram of a network device disclosed in an embodiment of the present application.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA broadband code division multiple access
  • GSM Global System of Mobile communication
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • LTE-A Advanced long term evolution
  • NR New Radio
  • NR Universal Mobile Telecommunication System
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • WLAN Wireless Local Area Networks
  • WiFi Wireless Fidelity
  • D2D Device to Device
  • M2M Machine to Machine
  • MTC machine type communication
  • V2V vehicle to vehicle
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal device 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 terminal devices located in the coverage area.
  • the network device 110 may be a base station (Base Transceiver Station, BTS) in a GSM system or a CDMA system, a base station (NodeB, NB) in a WCDMA system, or an evolved base station in an LTE system (Evolutional Node B, eNB or eNodeB), or the wireless controller in the Cloud Radio Access Network (CRAN), or the network equipment can be a mobile switching center, a relay station, an access point, a vehicle-mounted device, Wearable devices, hubs, switches, bridges, routers, network side devices in 5G networks, or network devices in the future evolution of public land mobile networks (Public Land Mobile Network, PLMN), etc.
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • LTE Long Term Evolutional Node B
  • eNB evolved base station
  • CRAN Cloud Radio Access Network
  • the network equipment can be a mobile switching center, a relay station, an access point, a vehicle-mounted device, Wearable devices, hub
  • the communication system 100 also includes at least one terminal device 120 located within the coverage area of the network device 110.
  • the "terminal equipment” used here includes but is not limited to connection via wired lines, such as via Public Switched Telephone Networks (PSTN), 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 device that is set to receive/send communication signals; and/or Internet of Things (IoT) equipment.
  • PSTN Public Switched Telephone Networks
  • DSL Digital Subscriber Line
  • WLAN wireless local area networks
  • IoT Internet of Things
  • a terminal device 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 equipment can refer to access terminals, user equipment (UE), user units, user stations, mobile stations, mobile stations, remote stations, remote terminals, mobile equipment, user terminals, terminals, wireless communication equipment, user agents, 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, terminal devices in 5G networks, or terminal devices 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 terminal devices 120.
  • the 5G system or 5G network may also be referred to as a New Radio (NR) system or NR network.
  • NR New Radio
  • FIG. 1 is a schematic structural diagram of a communication system disclosed in an embodiment of the present application. It exemplarily shows a network device and two terminal devices.
  • the communication system 100 may include multiple network devices and each network device The coverage of the device may include other numbers of terminal devices, which is not limited in the embodiment of the present application.
  • 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 having a communication function and a terminal device 120.
  • the network device 110 and the terminal device 120 may be the specific devices described above, which will not be repeated here.
  • the communication device may also include other devices in the communication system 100, such as network controllers, mobility management entities, and other network entities, which are not limited in the embodiment of the present application.
  • the method in the embodiments of the present application can be applied to unlicensed spectrum communication, and can also be applied to other communication scenarios, such as a licensed spectrum communication scenario.
  • Unlicensed spectrum is the spectrum that can be used for radio equipment communication divided by the country and region. This spectrum can be considered as a shared spectrum, that is, communication devices in different communication systems can meet the regulatory requirements set by the country or region on the spectrum. To use this spectrum, it is not necessary to apply for a proprietary spectrum authorization from the government.
  • LBT Listen Before Talk
  • communication devices can follow the principle of Listen Before Talk (LBT) when communicating on unlicensed spectrum, that is, Before the communication device transmits signals on the channels of the unlicensed spectrum, it needs to perform channel detection (or called channel detection) first.
  • LBT Listen Before Talk
  • the communication device can transmit signals; if the communication device is in The result of channel sensing on the unlicensed spectrum is that the channel is busy, and signal transmission cannot be performed.
  • the bandwidth of the LBT is 20 MHz, or an integer multiple of 20 MHz.
  • the LBT method includes two types from the perspective of network deployment.
  • One is the load-based equipment (LBE) channel access method, that is, the communication device can monitor the channel on the unlicensed spectrum after the service arrives, and After the channel monitoring is successful, the signal transmission starts.
  • the other is a channel access method based on frame-based equipment (FBE).
  • Figure 2 is a schematic diagram of an FBE-based channel access method provided by an embodiment of the present application. As shown in Figure 2, in the FBE channel access method, the frame structure appears periodically, and the period length does not exceed a preset value.
  • a frame structure includes COT (the length does not exceed 95% of the fixed frame period) and idle time (the length is at least 5% of the channel occupation time, the minimum value is 100us, and it is located at the end of the fixed frame period).
  • the communication device performs clear channel assessment (CCA), and the communication device monitors the channel during the idle period (Idle Period). If the channel monitoring is successful, the channel occupation time in the next fixed frame period can be used for transmission Signal; if the channel monitoring fails, the channel occupancy time in the next fixed frame period cannot be used to transmit the signal. In other words, the channel resources that the communication device can use for service transmission appear periodically.
  • CCA clear channel assessment
  • the initial access process of the terminal device can be completed through the Discovery Reference Signal (DRS).
  • the DRS includes a synchronization signal block (Synchronization Signal/PBCH Block, SSB or SS/PBCH Block), and the DRS is sent in the DRS window.
  • the DRS window appears periodically.
  • the network device sends the SSB in the DRS window, it can make multiple LBT attempts, and can pass the multiple candidates after the LBT succeeds. At least one candidate position among the positions performs SSB transmission.
  • the quasi-co-located (QCL) assumption (or QCL relationship) between the multiple SSB candidate positions is determined by the Q value, for example, the index of the multiple SSB candidate positions modulo Q
  • the SSBs transmitted at the SSB candidate positions with the same value can be considered to have the same QCL hypothesis.
  • the Q value can be preset or indicated by the base station.
  • the Q value may be indicated by the base station through system information such as master information block (Master Information Block, MIB) or system information block (System Information Block, SIB), or the Q value is also indicated. It may be indicated by the base station through a physical broadcast channel (Physical broadcast channel, PBCH).
  • the Q value can be one of 1, 2, 4, or 8.
  • the first SSB candidate position, the fifth SSB candidate position, the ninth SSB candidate position, etc., the SSBs transmitted at the candidate positions with the same value after modulo Q have the same QCL hypothesis.
  • FIG. 3 is a schematic diagram of SSB candidate positions in a DRS window provided by an embodiment of the present application.
  • the set of SSB candidate positions in the DRS window includes 20 SSB candidate positions
  • the Q value is 4
  • the SSB candidate positions with the same QCL hypothesis are represented by the same QCL label.
  • the terminal device may assume that the SSBs sent on the SSB candidate locations with the same QCL label have the same QCL relationship, or that if the network device sends the SSB on the SSB candidate locations with the same QCL label, then the network device should use the same Beam.
  • the SSB to be sent includes at least one SSB in the SSB set.
  • the SSB set includes SSB0, 1, 2, 3, the SSB candidate position with QCL label 0 is used for sending SSB0, the SSB candidate position with QCL label 1 is used for sending SSB1, and the SSB candidate position with QCL label 2 is used for sending SSB2, QCL SSB candidate position number 3 is used to send SSB3.
  • the SSB to be sent includes at least one SSB in the SSB set. For example, assuming that the SSB to be transmitted includes SSB0, SSB2, and SSB3, the SSB candidate positions labeled 0, 2, and 3 in Example 1 may all be used for SSB transmission.
  • the base station may select candidate positions for obtaining the channel use right from among the SSB candidate positions in the DRS window according to the LBT result for SSB transmission.
  • the terminal device can determine the control resource set (Control-resource set, CORESET) of the Type0-PDCCH common search space (CSS) set according to the MIB in the PBCH
  • the PDCCH transmitted through the resources in the control resource set can be used to schedule the PDSCH carrying the remaining minimum system information (Remaining Minimum System Information, RMSI). Therefore, the terminal device can receive the corresponding RMSI information according to the SSB.
  • RMSI can also be considered as System Information Block 1 (System Information Block 1, SIB1).
  • each SSB candidate position can be associated with a control resource set used to transmit RMSI.
  • the control resource set used to transmit RMSI may also have multiple candidate positions.
  • the terminal device may perform combined detection on the RMSI having a QCL relationship, for example, according to the Q value.
  • the channel occupation time in the next fixed frame period can be used to transmit signals, or in other words, the SSB or SSB in the fixed frame period DRS must be transmitted.
  • multiple SSB candidate positions may not be included in the DRS window. For example, whether the SSB can be sent at the SSB candidate position is determined according to whether the base station obtains the channel use right in the fixed frame period where the SSB candidate position is located.
  • the Q value may not be required to determine the QCL hypothesis between multiple SSB candidate positions, or the base station does not need to indicate the Q value, or the Q value indicated by the base station is a special state, such as The reserved state, or the Q value may be a preset value, for example, the Q value is preset to the maximum value or the minimum value in the value range.
  • the set of SSB candidate positions in the DRS window includes 4 SSB candidate positions, and the value of Q is preset to 8. Therefore, it can be considered that one SSB includes 1 candidate position in the DRS window.
  • the terminal device may assume that the SSBs sent at these SSB candidate positions do not have the same QCL relationship, or in other words, if the network device sends the SSB at different SSB candidate positions, the network device may use different beams.
  • the SSB to be transmitted includes at least one SSB in the SSB set.
  • the SSB set includes SSB0, 1, 2, 3, the SSB candidate position marked 0 in Example 2 is used to send SSB0, the SSB candidate position marked 1 is used to transmit SSB1, and the SSB candidate position marked 2 is used to transmit SSB2, the SSB candidate position labeled 3 is used to send SSB3.
  • the SSB to be transmitted includes SSB0, SSB2, and SSB3
  • the SSB candidate positions labeled 0, 2, and 3 in Example 2 can be used for SSB transmission when the network device obtains the channel usage right of a fixed frame period.
  • each SSB candidate position can also be associated with a set of control resources used to transmit RMSI.
  • the control resource set used to transmit the RMSI corresponding to the SSB also has only one candidate position.
  • the terminal device receives the RMSI, it may not perform the combined detection of the RMSI according to the Q value.
  • FIG. 4 is a schematic flowchart of a method for determining system information transmission resources proposed by an embodiment of the present application. The method includes some or all of the following :
  • Operation 402 Receive first indication information sent by a network device, where the first indication information is used to determine a target downlink resource.
  • Operation 404 Acquire the target downlink resource according to the first indication information, where the terminal device receives the system information sent by the network device through the target downlink resource.
  • the device type of the network device includes: a frame structure-based device FBE and a load-based device LBE.
  • the device type of the network device is FBE, which can refer to: the network device is LBT based on the frame structure when performing LBT; the device type of the network device is LBE, which can refer to: the network device When carrying out LBT, it is a load-based LBT method.
  • the first indication information is configured in an independent information domain.
  • the first indication information is used to determine that the device type of the network device is FBE.
  • the method includes at least one of the following: the first indication information is carried in a master information block MIB; the first indication information is carried in a system information block SIB; the first indication information is carried in a physical broadcast channel PBCH; and, The first indication information is carried in the primary synchronization signal PSS or the secondary synchronization signal SSS.
  • the first indication information is carried in the MIB, including: the first indication information multiplexes the common subcarrier spacing subCarrierSpacingCommon command field in the MIB.
  • the first indication information multiplexes the common subcarrier spacing subCarrierSpacingCommon command field in the MIB.
  • this information field may not be used to indicate the subcarrier spacing.
  • this information field can be multiplexed to indicate that the device type of the network device is FBE or LBE.
  • the first indication information carried in the PBCH includes: multiplexing the first indication information in one or more bits of a designated position in the PBCH, wherein the designated position includes at least:
  • the first indication information is a specified information state of the second indication information, and the specified information state is used to determine that the device type of the network device is FBE.
  • the method includes at least one of the following: the second indication information is used to determine the quasi co-located QCL hypothesis of the synchronization signal block SSB; or, the second indication information is used to configure the control resources of the Type0-PDCCH common search space CSS set Set, the physical downlink control channel PDCCH in the Type0-PDCCH CSS set is used to schedule the transmission of the system information.
  • the physical downlink control channel PDCCH in the Type0-PDCCHCSS set is used to schedule the transmission of the system information, and the system information is RMSI.
  • the second indication information indicates the Q value
  • the first indication information is the first information state of the second indication information.
  • the value of Q includes 1, 2, 4, and 8, which can be indicated by 2 bits, as shown in Table 1 below.
  • the first information status is that the 2-bit status is "11", or in other words, when the information status of Q is "11", it means that the device type of the current network device may be FBE.
  • the second indication information indicates the Q value
  • the first indication information is the first information state of the second indication information.
  • the value of Q includes 2, 4, and 8, which can be indicated by 2 bits, as shown in Table 2 below.
  • the first information status is that the 2-bit status is "11", or in other words, when the information status of Q is "11", it means that the device type of the current network device is FBE.
  • the second indication information is used to configure the control resource set of the Type0-PDCCH common search space CSS set, and the first indication information may be at least one configuration indicated by the second indication information.
  • the second indication information is used to indicate N types of control resource set configurations, where M1 configurations in the N control resource set configurations are applied to LBE, and M2 configurations in the N control resource set are applied to FBE.
  • the terminal device can determine whether the network device is an FBE or an LBE according to the received second indication information.
  • the obtaining the target downlink resource according to the first indication information includes: when the device type of the network device is determined to be FBE according to the first indication information, the target downlink resource is the first downlink resource corresponding to the FBE; or When it is determined that the device type of the network device is LBE according to the first indication information, the target downlink resource is the second downlink resource corresponding to the LBE; wherein, the first downlink resource and the second downlink resource are different.
  • the first downlink resource is not determined according to the Q value.
  • the terminal device may not perform the RMSI combined detection based on the Q value when receiving the RMSI, or the terminal device may assume a certain value in the DRS window.
  • Each SSB to be sent has only one SSB candidate position, and the control resource set used to transmit the RMSI corresponding to the SSB also has only one candidate position.
  • the second downlink resource is determined according to the Q value.
  • the terminal device may perform RMSI combined detection according to the Q value, or the terminal device may assume that the terminal device is used in the DRS window
  • the SSB candidate position for transmitting the SSB to be sent is determined according to the Q value, and the control resource set used to transmit the RMSI corresponding to the SSB to be sent is also determined according to the Q value.
  • FIG. 5 is a schematic flowchart of a method for indicating system information transmission resources according to an embodiment of the present application.
  • the method includes some or all of the following contents:
  • Operation 502 Send first indication information to a terminal device, where the first indication information is used to determine a target downlink resource, and the terminal device receives the system information sent by the network device through the target downlink resource.
  • the device type of the network device includes: a frame structure-based device FBE and a load-based device LBE; the first indication information is configured in an independent information domain.
  • the method before sending the first indication information to the terminal device, the method further includes: configuring the first indication information to determine the device type of the network device.
  • the sending of the first indication information to the terminal device includes at least one of the following: the first indication information is carried in the main information block MIB; and the first indication information is carried in the system information block SIB The first indication information is carried; the first indication information is carried in the physical broadcast channel PBCH; the first indication information is carried in the primary synchronization signal PSS or the secondary synchronization signal SSS.
  • carrying the first indication information in the MIB includes: multiplexing the first indication information in the common subcarrier spacing subCarrierSpacingCommon command field in the MIB.
  • Carrying the first indication information in the physical broadcast channel PBCH includes: multiplexing the first indication information into one or more bits at a designated position in the PBCH, where the designated position includes at least:
  • the method before sending the first indication information to the terminal device, the method further includes: configuring the first indication information as a specified information state of the second indication information, and the specified information state is used to indicate the device type of the network device.
  • the method includes at least one of the following: the second indication information is used to instruct the terminal device to determine the quasi co-located QCL hypothesis of the synchronization signal block SSB; or, the second indication The information is used to instruct the terminal device to configure the control resource set of the Type0-PDCCH common search space CSS set, and the physical downlink control channel PDCCH in the Type0-PDCCH CSS set is used to schedule the transmission of the system information.
  • the network device when the network device is an FBE, the network device performs LBT according to a frame structure that appears periodically, where a frame structure includes channel occupation time COT and idle time. The network device performs LBT on the channel during the idle time. If the LBT succeeds, the channel occupation time in the next fixed frame period can be used to transmit signals; if the LBT fails, the channel occupation time in the next fixed frame period cannot be used to transmit signals .
  • the terminal device when the uplink transmission of the terminal device occurs in the frame period, if the terminal device detects the downlink signal or channel in the frame period, such as PDCCH, SSB, PBCH, RMSI, public PDCCH (GC-PDCCH), etc., Then the terminal device may perform uplink transmission in this frame period. In this case, the terminal device also needs to know at least one of the channel occupation time, idle time, frame period length and other information of the frame period to determine that the uplink transmission of the terminal device occurs within the frame period.
  • the terminal device also needs to know at least one of the channel occupation time, idle time, frame period length and other information of the frame period to determine that the uplink transmission of the terminal device occurs within the frame period.
  • the embodiment of the present application also provides a method for the terminal device to determine that the uplink transmission occurs within the frame period.
  • the method may include at least part of the following content:
  • the network device sends third indication information to the terminal device, where the third indication information is used to determine at least one of a frame period, a channel occupation time, and an idle time.
  • the terminal device receives the third indication information sent by the network device, and determines whether the uplink transmission occurs in the frame period according to the third indication information.
  • the third indication information indicates at least one of frame period, channel occupation time, and idle time.
  • the third indication information indicates the frame period, and the terminal device determines the channel occupation time according to the third indication information and a preset rule, for example, the idle time does not exceed 5% of the frame period and/or the channel occupation time includes an integer number of time slots or an integer number of symbols And free time.
  • the third indication information may be configured through radio resource control (Radio Resource Control, RRC) signaling and/or MAC CE.
  • RRC Radio Resource Control
  • the third indication information may be indicated through the PDCCH.
  • the PDCCH is the first GC-PDCCH.
  • the first GC-PDCCH is transmitted through the Type3-PDCCH CSS collection, and the first GC-PDCCH corresponds to the SFI-RNTI.
  • the terminal device in the idle state cannot receive RRC signaling or MAC CE, and cannot receive the first GC-PDCCH.
  • the third indication information may be indicated in other ways.
  • the third indication information may be indicated by MIB or PBCH or SIB.
  • the third indication information may be indicated by the second GC-PDCCH, where the second GC-PDCCH is transmitted through the Type0-PDCCH CSS set, or the second GC-PDCCH is transmitted through the Type0A-PDCCH CSS set , Or, the second GC-PDCCH is transmitted through the Type1-PDCCH CSS set, or, the second GC-PDCCH is transmitted through the Type2-PDCCH CSS set.
  • the second GC-PDCCH corresponds to a first radio network temporary identifier (RNTI), where the first RNTI is indicated by MIB, PBCH, or SIB, or the first RNTI is one of the following RNTIs One: Cell RNTI (Cell RNTI, C-RNTI), Temporary C-RNTI (Temporary C-RNTI, TC-RNTI), Paging RNTI (Paging RNTI, P-RNTI), System Information RNTI (System Information RNTI, SI) -RNTI), Random Access RNTI (Random Access RNTI, RA-RNTI), Common Control RNTI (Common Control RNTI, CC-RNTI), Group RNTI (Group RNTI, G-RNTI), Slot Format indicator RNTI (Slot Format) Indication RNTI, SFI-RNTI), Interruption RNTI (Interruption RNTI, INT-RNTI).
  • RNTI radio network temporary identifier
  • the second GC-PDCCH may also be transmitted through the Type3-PDCCH CSS set.
  • terminal devices in both the connected state and the terminal state can obtain the third indication information, so that the terminal device can determine whether the uplink transmission occurs within the frame period according to the third indication information.
  • the terminal equipment and the network equipment include hardware structures and/or software modules corresponding to the respective functions.
  • the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a certain function is executed by hardware or computer software-driven hardware depends on the specific application and design constraint conditions of the technical solution. Professionals and technicians can use different methods for each specific application to implement the described functions, but such implementation should not be considered beyond the scope of this application.
  • the embodiment of the present application may divide the terminal device into functional modules according to the foregoing method examples.
  • each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing module.
  • the above-mentioned integrated modules can be implemented in the form of hardware or software program modules. It should be noted that the division of modules in the embodiments of the present application is illustrative, and is only a logical function division, and there may be other division methods in actual implementation.
  • FIG. 6 is a schematic diagram of an apparatus for determining system information transmission resources according to an embodiment of the present application, as shown in 6, At least include:
  • the receiving module 602 is configured to receive first indication information sent by a network device, where the first indication information is used to determine a target downlink resource;
  • the obtaining module 604 is configured to obtain the target downlink resource according to the first indication information, where the terminal device receives the system information sent by the network device through the target downlink resource.
  • the device type of the network device includes: a frame structure-based device FBE and a load-based device LBE, and the first indication information is configured in an independent information domain.
  • the first indication information is used to determine that the device type of the network device is FBE.
  • the first indication information is carried in the master information block MIB; the first indication information is carried in the system information block SIB; the first indication information is carried in the physical broadcast channel PBCH; and, the first The indication information is carried in the primary synchronization signal PSS or the secondary synchronization signal SSS.
  • the first indication information is carried in the MIB, including: the common subcarrier spacing subCarrierSpacingCommon command field in the first indication information multiplexing MIB;
  • the first indication information is carried in the PBCH, including: the first indication information multiplexing PBCH Among the one or more bits in the designated position in, the designated position includes at least:
  • the first indication information is a specified information state of the second indication information, and the specified information state is used to determine that the device type of the network device is FBE.
  • the second indication information is used to instruct the terminal device to determine the quasi co-located QCL hypothesis of the synchronization signal block SSB; or, the second indication information is used to instruct the terminal device to configure the control resource set of the Type0-PDCCH common search space CSS set,
  • the physical downlink control channel PDCCH in the Type0-PDCCHCSS set is used to schedule the transmission of system information.
  • the target downlink resource is the first downlink resource corresponding to the FBE; or, when the device type of the network device is determined to be LBE according to the first indication information, the target The downlink resource is the second downlink resource corresponding to the LBE; where the first downlink resource is different from the second downlink resource.
  • Fig. 7 is a schematic structural diagram of a terminal device disclosed in an embodiment of the present application.
  • the receiving module 602 is a communication interface
  • the acquiring module 604 is a processor
  • the memory is used to store the information received by the receiving module 602
  • the system information determined by the acquiring module 604 is acquired
  • the terminal device involved in the embodiment of the present application may be a diagram Network equipment shown in 6.
  • the device 800 for indicating system information transmission resources disclosed in the embodiment of the present application is configured in a network device.
  • Fig. 8 is a schematic diagram of a device for indicating system information transmission resources according to an embodiment of the present application. As shown in Fig. 8, at least including:
  • the indication module 802 is configured to send first indication information to a terminal device, where the first indication information is used to determine a target downlink resource, and the terminal device receives the system information sent by the network device through the target downlink resource.
  • the device type of the network device includes: a frame structure-based device FBE and a load-based device LBE; the first indication information is configured in an independent information domain.
  • Fig. 9 is a schematic diagram of another system information transmission resource indication device according to an embodiment of the present application. As shown in Fig. 9, it at least includes: a first configuration module 902, configured to configure the first indication information to determine the device of the network device Types of.
  • FIG. 10 is a schematic diagram of another indicating device for system information transmission resources according to an embodiment of the present application.
  • the indicating module 802 includes at least one of the following:
  • the first indication unit 1002 is configured to carry first indication information in the main information block MIB;
  • the second indication unit 1004 is configured to carry the first indication information in the system information block SIB;
  • the third indication unit 1006 is configured to carry the first indication information in the physical broadcast channel PBCH;
  • the fourth indication unit 1008 is configured to carry the first indication information in the primary synchronization signal PSS or the secondary synchronization signal SSS.
  • the first instruction unit 1002 is configured to multiplex the first instruction information in the common subcarrier spacing subCarrierSpacingCommon command field in the MIB;
  • the third instruction unit 1006 is configured to multiplex the first instruction information in Among the one or more bits of the designated position in the PBCH, the designated position includes at least:
  • FIG. 11 is a schematic diagram of another indicating device for system information transmission resources according to an embodiment of the present application. As shown in FIG. 11, it at least includes: a second configuration module 1102, configured to configure the first indication information as the designation of the second indication information Information status, specifies that the information status is used to indicate the device type of the network device.
  • a second configuration module 1102 configured to configure the first indication information as the designation of the second indication information Information status, specifies that the information status is used to indicate the device type of the network device.
  • the device type of the network device when it includes at least one of the following: the second indication information is used to instruct the terminal device to determine the quasi co-located QCL hypothesis of the synchronization signal block SSB; or, the second indication information is used Instruct the terminal device to configure the control resource set of the Type0-PDCCH common search space CSS set, and the physical downlink control channel PDCCH in the Type0-PDCCH CSS set is used to schedule the transmission of the system information.
  • Fig. 12 is a schematic structural diagram of a network device disclosed in an embodiment of the present application. As shown in FIG. 12, it includes a processor 1202, a communication interface 1204, and a memory 1206.
  • the indication module 802 in FIGS. 8-11 is used to control and manage the actions of the terminal device, for example, to support the terminal device to perform operation 501 in FIG. 5 and/or other processes used in the technology described herein. At the same time, it is also used to support communication between terminal equipment and other equipment, such as communication with network equipment.
  • the first configuration module 902 in FIG. 9 and the second configuration module 1102 in FIG. 11 are used to control and manage the actions of the terminal device.
  • the embodiment of the present application also provides a computer-readable storage medium, wherein the computer-readable storage medium stores a computer program for electronic data exchange, wherein the computer program causes the computer to execute the terminal in the above method embodiment Part or all of the operations described by the device.
  • the embodiments of the present application also provide a computer program product, wherein the computer program product includes a non-transitory computer-readable storage medium storing a computer program, and the computer program is operable to cause a computer to execute the method embodiments described above. Part or all of the operations described in the terminal device.
  • the computer program product may be a software installation package.
  • the operations of the methods or algorithms described in the embodiments of the present application may be implemented in a hardware manner, or may be implemented in a manner in which a processor executes software instructions.
  • Software instructions can be composed of corresponding software modules, which can be stored in random access memory (Random Access Memory, RAM), flash memory, read-only memory (Read Only Memory, ROM), and erasable programmable read-only memory ( Erasable Programmable ROM (EPROM), Electrically Erasable Programmable Read-Only Memory (Electrically EPROM, EEPROM), registers, hard disk, mobile hard disk, CD-ROM, or any other form of storage medium known in the art.
  • An exemplary storage medium is coupled to the processor, so that the processor can read information from the storage medium and write information to the storage medium.
  • the storage medium may also be an integral part of the processor.
  • the processor and the storage medium may be located in the ASIC.
  • the ASIC may be located in an access network device, a target network device, or a core network device.
  • the processor and the storage medium may also exist as discrete components in the access network device, the target network device, or the core network device.
  • the functions described in the embodiments of the present application may be implemented in whole or in part by software, hardware, firmware, or any combination thereof.
  • software it can be implemented in the form of a computer program product in whole or in part.
  • the computer program product includes one or more computer instructions.
  • the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices.
  • the computer instructions may be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium.
  • the computer instructions may be transmitted from a website, computer, server, or data center. Transmission to another website, computer, server or data center via wired (such as coaxial cable, optical fiber, Digital Subscriber Line (DSL)) or wireless (such as infrared, wireless, microwave, etc.).
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server or a data center integrated with one or more available media.
  • the usable medium may be a magnetic medium (for example, a floppy disk, a hard disk, a magnetic tape), an optical medium (for example, a digital video disc (Digital Video Disc, DVD)), or a semiconductor medium (for example, a solid state disk (Solid State Disk, SSD)) )Wait.
  • a magnetic medium for example, a floppy disk, a hard disk, a magnetic tape
  • an optical medium for example, a digital video disc (Digital Video Disc, DVD)
  • a semiconductor medium for example, a solid state disk (Solid State Disk, SSD)

Landscapes

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

Abstract

Un procédé et un dispositif pour déterminer une ressource de transmission d'informations de système sont divulgués, comprenant : la réception de premières informations d'indication envoyées par un dispositif de réseau, lesdites premières informations d'indication étant utilisées pour déterminer une ressource de liaison descendante cible ; l'obtention de la ressource de liaison descendante cible selon les premières informations d'indication, l'équipement terminal recevant les informations de système envoyées par le dispositif de réseau au moyen de ladite ressource de liaison descendante cible.
PCT/CN2020/074799 2019-10-19 2020-02-12 Procédé et dispositif pour déterminer et indiquer une ressource de transmission d'informations de système WO2021073018A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202080056890.1A CN114208353A (zh) 2019-10-19 2020-02-12 系统信息传输资源的确定、指示方法及装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910996895.1 2019-10-19
CN201910996895 2019-10-19

Publications (1)

Publication Number Publication Date
WO2021073018A1 true WO2021073018A1 (fr) 2021-04-22

Family

ID=75537349

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/074799 WO2021073018A1 (fr) 2019-10-19 2020-02-12 Procédé et dispositif pour déterminer et indiquer une ressource de transmission d'informations de système

Country Status (2)

Country Link
CN (1) CN114208353A (fr)
WO (1) WO2021073018A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023036204A1 (fr) * 2021-09-09 2023-03-16 华为技术有限公司 Procédé de détermination d'une ressource de communication et appareil de communication

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116472774A (zh) * 2023-02-17 2023-07-21 北京小米移动软件有限公司 资源确定方法、装置及存储介质

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10362593B2 (en) * 2017-09-01 2019-07-23 Huawei Technologies Co., Ltd. Grant-free uplink transmission in unlicensed spectrum
WO2019143937A1 (fr) * 2018-01-19 2019-07-25 Idac Holdings, Inc. Signal de synchronisation et radiomessagerie pour des communications en bande new radio-unlicensed (nr-u)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017025147A1 (fr) * 2015-08-13 2017-02-16 Huawei Technologies Co., Ltd. Émetteur et récepteur destinés à un système de communication sans fil
CN109156035B (zh) * 2016-05-23 2021-05-11 华为技术有限公司 传输数据的方法、网络设备和终端设备
CN108024310B (zh) * 2016-11-04 2020-09-11 华为技术有限公司 用于传输数据的方法、终端设备和网络设备
WO2019066575A1 (fr) * 2017-09-28 2019-04-04 엘지전자 주식회사 Procédé et appareil d'émission ou de réception de signal sans fil dans un système de communication sans fil
CN109729593B (zh) * 2017-10-27 2021-09-10 大唐移动通信设备有限公司 信道传输方法及装置、计算机存储介质
CN110167159B (zh) * 2018-02-13 2023-04-07 华为技术有限公司 一种通信方法、装置以及系统

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10362593B2 (en) * 2017-09-01 2019-07-23 Huawei Technologies Co., Ltd. Grant-free uplink transmission in unlicensed spectrum
WO2019143937A1 (fr) * 2018-01-19 2019-07-25 Idac Holdings, Inc. Signal de synchronisation et radiomessagerie pour des communications en bande new radio-unlicensed (nr-u)

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
CHARTER COMMUNICATIONS: "On Initial Access Procedure Aspects", 3GPP DRAFT; R1-1910441 ON INITIAL ACCESS PROCEDURE ASPECTS, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. Chongqing, P.R. China; 20191014 - 20191020, 5 October 2019 (2019-10-05), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP051789247 *
OPPO: "Enhancements to initial access procedure for NR-U", 3GPP DRAFT; R1-1910791, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. Chongqing, China; 20191014 - 20191020, 8 October 2019 (2019-10-08), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP051789579 *
QUALCOMM INCORPORATED: "Initial access and mobility procedures for NR unlicensed", 3GPP DRAFT; R1-1911098 7.2.2.2.2 INITIAL ACCESS AND MOBILITY PROCEDURES FOR NR-U, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, no. Chongqing, CN; 20191014 - 20191020, 5 October 2019 (2019-10-05), Mobile Competence Centre ; 650, route des Lucioles ; F-06921 Sophia-Antipolis Cedex ; France, XP051789875 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023036204A1 (fr) * 2021-09-09 2023-03-16 华为技术有限公司 Procédé de détermination d'une ressource de communication et appareil de communication

Also Published As

Publication number Publication date
CN114208353A (zh) 2022-03-18

Similar Documents

Publication Publication Date Title
EP3222072B1 (fr) Signalisation de capacité pour une connectivité double
CN113455071B (zh) 控制信道的传输方法、装置及存储介质
JP7016404B2 (ja) リソース割り当て方法、端末及びネットワークデバイス
US9301282B2 (en) Method and apparatus for resource allocation for transmitting uplink data on a cooperative terminal in a wireless connection system supporting terminal client cooperation
EP3634056B1 (fr) Procédé de transmission de signal, appareil et système associés
JP7465289B2 (ja) 制御情報の伝送方法、端末装置及びネットワーク装置
WO2018028565A1 (fr) Procédé et dispositif de communication
KR20210132249A (ko) 시간-주파수 자원의 송신 방향을 구성하는 방법, 및 장치
US12004141B2 (en) Communication method, access network device, and terminal
WO2019242452A1 (fr) Procédé et appareil d'accès à un canal de transmission de canal physique d'accès aléatoire et programme
KR20210008357A (ko) 통신 방법 및 디바이스
WO2021092900A1 (fr) Procédé et appareil de communication sans fil
JP2023512807A (ja) 無線通信において、低減した能力のデバイスをサポートする方法及び装置
US12108427B2 (en) Method and apparatus for determining slot format
WO2018028272A1 (fr) Procédé de programmation de ressources de liaison montante, et dispositif correspondant
CN112106423A (zh) 用于物理下行链路控制信道监测的方法、终端设备和基站
KR20210125006A (ko) 전송 대역폭을 결정하는 방법, 장치 및 저장 매체
WO2021073018A1 (fr) Procédé et dispositif pour déterminer et indiquer une ressource de transmission d'informations de système
CN115866771A (zh) 载波调度的方法及装置
WO2022183455A1 (fr) Procédé de détermination de ressources d'accès aléatoire, dispositif électronique et support de stockage
US20240031092A1 (en) Terminal device and network device
US20240155672A1 (en) Sidelink resource pool configurations including sidelink synchronization signal block slots
US10660142B2 (en) Device and method of handling a radio resource control connection
TW202008817A (zh) 一種訊號傳輸方法及適用該方法的裝置、終端設備及網路設備
WO2020093403A1 (fr) Procédé et appareil d'accès aléatoire, terminal et station de base

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20877880

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20877880

Country of ref document: EP

Kind code of ref document: A1