[go: up one dir, main page]

WO2020232647A1 - Procédé et dispositif de détection de pdcch, et dispositif de communication - Google Patents

Procédé et dispositif de détection de pdcch, et dispositif de communication Download PDF

Info

Publication number
WO2020232647A1
WO2020232647A1 PCT/CN2019/087872 CN2019087872W WO2020232647A1 WO 2020232647 A1 WO2020232647 A1 WO 2020232647A1 CN 2019087872 W CN2019087872 W CN 2019087872W WO 2020232647 A1 WO2020232647 A1 WO 2020232647A1
Authority
WO
WIPO (PCT)
Prior art keywords
pdcch
coreset
subband
available
terminal device
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2019/087872
Other languages
English (en)
Chinese (zh)
Inventor
石聪
林亚男
吴作敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
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 Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to CN201980074107.1A priority Critical patent/CN113170445B/zh
Priority to PCT/CN2019/087872 priority patent/WO2020232647A1/fr
Publication of WO2020232647A1 publication Critical patent/WO2020232647A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

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

Definitions

  • the embodiments of the present application relate to the field of communications, and more specifically, to a method, device, and communication device for detecting PDCCH.
  • NR-U New Radio Unlicensed
  • BWP Bandwidth part
  • data can be transmitted in all or part of a BWP subband
  • LBT Listen Before Talk
  • the network device will configure a physical downlink control channel (Physical Downlink Control Channel) on each subband.
  • Downlink Control Channel (PDCCH) blind detection area namely control resource set (Control-Resource Set, CORESET) and search space (Search Space, SS).
  • the blind check times of the blind check areas configured by the network equipment for all subbands exceed the maximum allowable blind check times of the terminal device, the blind check times of the terminal device may exceed the maximum blind check times. If the blind check area is configured according to the most conservative blind check times, for example, the total number of blind check areas configured on each subband does not exceed the maximum number allowed by the terminal device, but this will lead to if there is only one subband ( Or when not all subbands are available), the number of blind checks is too few, and the PDCCH configuration resources are not fully utilized, resulting in a waste of resources.
  • the embodiments of the present application provide a method, apparatus and communication equipment for detecting PDCCH, which can reduce the waste of resources.
  • a method for detecting PDCCH including: a terminal device determines a first CORESET configuration from multiple CORESET configurations for subbands available in a downlink BWP configured on an unlicensed spectrum carrier.
  • the absolute position of frequency domain resources is not limited in the CORESET configuration, and the available subbands are the subbands where the network device successfully performs LBT; based on the first CORESET configuration, the terminal device, the first PDCCH is used for scheduling PDCCH of the terminal device; based on the determined resource location, the terminal device detects the first PDCCH.
  • the first CORESET configuration is dynamically selected from a variety of CORESET configurations that do not limit the absolute position of frequency domain resources by determining the subband available in the downlink BWP.
  • the resource location of the PDCCH is detected on the available subbands, so that the CORESET configuration can be flexibly selected, so that the number of blind detections of the terminal device can be maximized, and the utilization rate of the PDCCH resources can be improved.
  • a method for detecting PDCCH including: a terminal device detects indication information from a network device on a subband of a downlink BWP configured by an unlicensed spectrum carrier; and detects the indication information on the subband When indicating information, the terminal device determines the resource location for detecting the first PDCCH on the subband according to the instruction of the instruction information, and the first PDCCH is the PDCCH used to schedule the terminal device; At the resource location, the terminal device detects the first PDCCH.
  • the resource location for detecting the first PDCCH is dynamically determined according to the instructions of the network device for the available subbands in the downlink BWP, so that the resource location of the first PDCCH can be flexibly selected and detected Therefore, it is possible to maximize the number of blind checks of the terminal equipment, and to improve the utilization rate of PDCCH resources.
  • a method for detecting a PDCCH which includes: a terminal device targets available subbands in a downlink BWP configured on an unlicensed spectrum carrier, and the terminal device detects that the available subbands are pre-configured In the resource position of the first PDCCH, the resource position to be detected is determined; based on the resource position to be detected, the terminal device detects the first PDCCH.
  • the available subbands in the downlink BWP are dynamically determined from the pre-configured resource locations to detect the PDCCH resource locations to be detected on the available subbands, thereby achieving flexibility. Selecting the resource location to be detected can maximize the number of blind detections of the terminal device and improve the utilization rate of PDCCH resources.
  • a method for detecting PDCCH including: a network device determines a first CORESET configuration from multiple CORESET configurations for subbands available in a downlink BWP configured on an unlicensed spectrum carrier.
  • the absolute position of the frequency domain resources is not limited in the CORESET configuration, and the available subband is the subband for which the network device successfully performs LBT; based on the first CORESET configuration, the network device determines to detect on the available subband
  • a method for detecting PDCCH including: a network device sends instruction information to a terminal device, where the instruction information is used by the terminal device to determine a resource location for detecting a first PDCCH on the subband,
  • the first PDCCH is a PDCCH used to schedule the terminal device; the network device sends the first PDCCH to the terminal device.
  • a method for detecting a PDCCH including: a network device targets available subbands in a downlink BWP configured on an unlicensed spectrum carrier, and the network device starts from a terminal pre-configured for the available subbands In the device detecting the resource location of the first PDCCH, determine the resource location of the first PDCCH to be detected by the terminal device; according to the resource location of the first PDCCH to be detected by the terminal device, the network device sends the The first PDCCH.
  • a device for detecting PDCCH is provided, which is used to execute the method in any one of the first to sixth aspects or in each implementation manner.
  • a communication device including 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 any one of the above-mentioned first aspect to the sixth aspect or the method in each implementation manner thereof.
  • a chip is provided, which is used to implement any one of the foregoing first to sixth aspects or the method in each of its implementation manners.
  • 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 any one of the above-mentioned first to sixth aspects or any of the implementations thereof method.
  • a computer-readable storage medium for storing a computer program that enables a computer to execute any one of the above-mentioned first to sixth aspects or the method in each implementation manner thereof.
  • a computer program product including computer program instructions that cause a computer to execute any one of the above-mentioned first to sixth aspects or the method in each implementation manner thereof.
  • a computer program which, when run on a computer, causes the computer to execute any one of the above-mentioned first to sixth aspects or the method in each implementation manner thereof.
  • Figure 1 is a schematic diagram of an application scenario of this application.
  • Fig. 2 is a schematic flowchart of a method for detecting PDCCH provided by an embodiment of the present application.
  • FIG. 3 is a schematic diagram of multiple subbands and multiple CORESET configurations provided by an embodiment of the present application
  • Fig. 4 is another schematic flowchart of a method for detecting PDCCH provided by an embodiment of the present application.
  • FIG. 5 is another schematic flowchart of the method for detecting PDCCH provided by an embodiment of the present application.
  • FIG. 6 is another schematic flowchart of the method for detecting PDCCH provided by an embodiment of the present application.
  • FIG. 7 is another schematic flowchart of the method for detecting PDCCH provided by an embodiment of the present application.
  • FIG. 8 is another schematic flowchart of the method for detecting PDCCH provided by an embodiment of the present application.
  • FIG. 9 is another schematic flowchart of the method for detecting PDCCH provided by an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of an apparatus for detecting PDCCH provided by an embodiment of the present application.
  • FIG. 11 is another schematic structural diagram of an apparatus for detecting PDCCH provided by an embodiment of the present application.
  • FIG. 12 is another schematic structural diagram of an apparatus for detecting PDCCH provided by an embodiment of the present application.
  • FIG. 13 is another schematic structural diagram of the apparatus for detecting PDCCH provided by an embodiment of the present application.
  • FIG. 14 is another schematic structural diagram of an apparatus for detecting PDCCH provided by an embodiment of the present application.
  • FIG. 15 is another schematic structural diagram of the apparatus for detecting PDCCH provided by an embodiment of the present application.
  • FIG. 16 is another schematic structural diagram of the apparatus for detecting PDCCH provided by an embodiment of the present application.
  • FIG. 17 is another schematic structural diagram of the apparatus for detecting PDCCH provided by an embodiment of the present application.
  • FIG. 18 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 19 is a schematic structural diagram of a chip provided by an embodiment of the present application.
  • FIG. 20 is a schematic structural diagram of a communication system provided by an embodiment of the present application.
  • GSM Global System of Mobile Communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband 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
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • 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 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 the 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, hubs, switches
  • 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 lines (Digital Subscriber Line, DSL), digital cables, and direct cable connections ; 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
  • 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
  • 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, satellites 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 phone 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
  • Figure 1 exemplarily shows one network device and two terminal devices.
  • the communication system 100 may include multiple network devices and the coverage of each network device may include other numbers of terminal devices. The embodiment does not limit 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 device 120 with communication functions, and 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 other network entities such as a network controller and a mobility management entity, which are not limited in this embodiment of the application.
  • NR can work in unlicensed frequency bands, which can specifically include the following work scenarios:
  • Carrier aggregation scenario the primary serving cell (Primary Cell, PCell) is a licensed spectrum, and the secondary serving cell (Secondary Cell, SCell) aggregates and works on the unlicensed spectrum through carrier aggregation;
  • Primary Cell PCell
  • Secondary Cell SCell
  • PCell is a long-term evolution (Long Term Evolution, LTE) licensed spectrum
  • PScell is an NR unlicensed spectrum
  • NR works as an independent cell in an unlicensed spectrum.
  • NR-U is 5GHz unlicensed spectrum and 6GHz unlicensed spectrum, (eg, US 5925-7125MHz, or European 5925-6425MHz, or parts thereof); on unlicensed spectrum, NR -U's design should ensure fairness with other systems that are already working on these unlicensed spectrums, such as WiFi.
  • the principle of fairness is that the impact of NR-U on systems that have been deployed on unlicensed spectrum (for example, WiFi) cannot exceed the impact between these systems.
  • the general energy detection mechanism is the LBT mechanism.
  • the basic principle of the mechanism is that the base station or terminal (transmitting end) needs to listen for a period of time according to regulations before transmitting data on the unlicensed spectrum. If the result of the listening indicates that the channel is idle, the transmitting end can transmit data to the receiving end. If the listening result indicates that the channel is in an occupied state, the transmitting end needs to back off for a period of time according to regulations before continuing to listen to the channel until the channel listening result is idle before transmitting data to the receiving end.
  • LAA licensed spectrum assisted access
  • LAA licensed spectrum assisted access
  • the base station For downlink data transmission, in the unlicensed frequency band, the base station needs to perform LBT first; in LAA, the priority of channel access can be determined by Table 1:
  • Table 1 shows the priority of channel access, where Mp is related to the channel listening time for channel access.
  • CWmin, p and CWmax, p are related to the random listening channel time during channel access. Specifically, when the base station listens to the channel for Td time and is idle, it needs to listen to the channel again N times, each with a duration of 9 us. Where N is a random number from 0 to CWp, and CWmin,p ⁇ CWp ⁇ Cwmax,p.
  • Tmcot,p is the longest time for the base station to occupy the channel after it has seized the channel. It is related to the channel priority adopted by the base station. For example, if the priority is 1, the channel will be occupied for 2ms at most after the channel is successfully monitored.
  • the base station needs to transmit data to the terminal equipment within the MCOT time. If the base station does not seize the channel, that is, outside the MCOT time, the terminal equipment will not receive the scheduling from the base station to the terminal equipment. data.
  • the network device can configure at most 4 uplink BWPs and at most 4 downlink BWPs for the connected terminal.
  • the network can configure 4 uplink BWPs (indexes are 0, 1, 2, 3) and 4 downlink BWPs (0, 1, 2, 3) for a connected terminal, and the currently activated uplink BWP index can be 0,
  • the index of the currently activated downlink BWP can be 1. If the downlink BWP is switched to another BWP through the Downlink Control Information (DCI) command, for example, the currently activated downlink BWP 1 is switched to the downlink BWP 2, the uplink BWP can be maintained constant.
  • DCI Downlink Control Information
  • the terminal device may only support one activated downlink BWP.
  • the base station (gNB) supports the transmission of a physical downlink shared channel (Physical Downlink Shared Channel, PDSCH) on the entire downlink BWP, and may also support the transmission of the PDSCH on part of the subbands on the downlink BWP.
  • a physical downlink shared channel Physical Downlink Shared Channel, PDSCH
  • the terminal device may be configured with CORESET and SS, where CORESET and SS may define one or more PDCCH candidates, and the terminal device may detect the PDCCH in the first or more PDCCH candidates.
  • the SS can be a common search space (Common Search Space, CSS) or a specific search space (Specific Search Space, USS), depending on the configuration of the network device.
  • CSS is generally used for terminal equipment to blindly check and schedule the PDCCH of public downlink information, such as system messages, paging messages, random access response (Random Access Response, RAR), etc.
  • USS is generally used for terminal equipment to blindly check and schedule terminals PDCCH for device-specific data.
  • CSS can be of the following types:
  • searchSpaceSIB1 SearchSpace system information block 1
  • searchSpaceZero search space zero field configuration in the PDCCH-ConfigCommon, used to configure the system information wireless
  • DCI Downlink Control Information
  • CRC cyclic redundancy check
  • the PDCCH CSS set of type 0A on the primary cell of the MCG which is configured by the searchSpaceOtherSystemInformation field in the PDCCH-ConfigCommon signaling, and is used for the DCI format of the CRC scrambled by the SI-RNTI.
  • the type 1 PDCCH CSS set on the primary cell of the MCG which is configured by the random access search space (ra-SearchSpace) field in the PDCCH-ConfigCommon signaling, and is used by the random access wireless network temporary identification (Random Access) field.
  • Radio Network Temporary Identifier (RA-RNTI) or Temporary Cell Radio Network Temporary Identifier (Temporary Cell Radio Network Temporary Identifier, TC-RNTI) scrambled CRC DCI format.
  • the Type 2 PDCCH CSS set on the primary cell of the MCG which is configured by the paging SearchSpace field in the PDCCH-ConfigCommon signaling, and is used by the paging Radio Network Temporary Identifier, P-RNTI) DCI format of scrambled CRC.
  • searchSpaceType ue-Specific, used for C-RNTI, MCS-C-RNTI, semi-persistent (semi persistent, sp)-channel state Information (channel state information, CSI)-RNTI (SP-CSI-RNTI), or CS-RNTI(s) scrambled CRC DCI format.
  • the network device can configure up to 3 CORESET and up to 10 SS.
  • An SS can be associated with a CORESET.
  • the main configuration parameters of SS are as follows:
  • the higher layer For each downlink BWP configured for the terminal device in the serving cell, the higher layer provides the terminal device with less than or equal to 10 search space sets (that is, search space), where, for each search space set in the S search space sets ,
  • the terminal device is configured by the search space field as follows:
  • searchSpaceId searchSpaceId
  • controlResourceSetId The association between the search space set s and CORESET p provided by the control Resource Set Id (controlResourceSetId) field;
  • the PDCCH monitoring pattern in the time slot provided by the monitoring Symbols (monitoringSymbolsWithinSlot) field indicates the first symbol in the time slot used for PDCC monitoring;
  • CCE Control Channel Element
  • searchSpaceType The indication provided by the search space type (searchSpaceType) field is used to indicate whether the search space set is a CSS or a USS set;
  • search space set is a CSS set
  • DCI format 0-0- and format 1-0 (dci-Format0-0-AndFormat1-0) to monitor PDCCH candidates of DCI format 0_0 and DCI format 1_0;
  • the indication provided by the DCI format (dci-Formats) field is to monitor any PDCCH candidates in DCI format 0_0, format 1_0, format 0_1, and format 1_1.
  • the terminal device can blindly detect the potential PDCCH in the SS.
  • the maximum number of times the terminal device can blindly detect the PDCCH is limited, which can be determined according to Table 2:
  • the network device will configure a corresponding PDCCH blind detection area (that is, CORESET and SS) on each LBT subband.
  • CORESET and SS PDCCH blind detection area
  • the number of blind checks of the UE in all configured CORESET and SS may exceed the maximum number of blind checks, which is the value in Table 2.
  • CORESET is configured according to the most conservative number of blind checks And SS, for example, the number of blind detections combined with CORESET and SS configured on each LBT subband does not exceed the maximum number of times, but this will lead to the number of blind detections if only one subband (or not all subbands are available) is available Too little, and fail to make full use of PDCCH configuration resources, resulting in waste of resources.
  • the embodiments of the present application provide the following solutions, which can reduce the waste of resources.
  • FIG. 2 a schematic flowchart of a method 200 for detecting PDCCH according to an embodiment of the present application is shown, and the method 200 may include steps 210-220.
  • the terminal device determines the first CORESET configuration from multiple CORESET configurations for the available subbands in the downlink BWP configured on the unlicensed spectrum carrier.
  • the CORESET configuration does not limit the absolute position of the frequency domain resource, and the available The subband is the subband for which the network device performs LBT successfully.
  • the terminal device determines the CORESET configuration for the available subbands in the downlink BWP configured on the unlicensed spectrum carrier, that is, the subband in the downlink BWP configured on the unlicensed spectrum carrier by the terminal device . Before determining the CORESET configuration, first determine the subbands that have successfully executed LBT through the network device. For the subbands that successfully perform LBT on the network device, the terminal device will perform the CORESET configuration.
  • the first CORESET configuration in the embodiment of this application can be one CORESET configuration or multiple CORESET configurations.
  • the multiple CORESET configurations are collectively configured on an unlicensed spectrum carrier.
  • the available subbands in the downlink BWP perform resource configuration.
  • the available subbands can be all subbands in the downlink BWP configured on the unlicensed spectrum carrier, or part of the downlink BWP configured on the unlicensed spectrum carrier, and this application will not do this. Specific restrictions.
  • the CORESET configuration may refer to the configuration of CORESET.
  • a CORESET configuration can be a configuration for one CORESET or a configuration for multiple CORESETs.
  • the multiple CORESET configurations involved in the embodiments of the present application do not limit the absolute position of frequency domain resources, that is, the information about frequency domain resources in the multiple CORESET configurations only indicates the frequency domain length of the corresponding CORESET, not Will indicate the absolute frequency domain position of the CORESET.
  • the frequency domain length defined by each CORESET configuration in the multiple CORESET configurations may be the same or different.
  • the CORESET configuration can indicate the time domain length of the corresponding CORESET, and can also indicate the absolute time domain position of the CORESET.
  • all CORESET configurations can indicate time domain information, or part of CORESET configurations can indicate time domain information.
  • the time domain length of each CORESET configuration in the multiple CORESET configurations may be the same or different, which is not specifically limited in this application.
  • the CORESET configuration can be associated with the SS configuration (the SS configuration can be a configuration for the SS), and for each CORESET configuration configured by the associated SS, the associated SS configuration can indicate the number of detections of each CORESET configuration.
  • the detection times of each of the multiple CORESET configurations associated with the SS configuration may be the same or different.
  • the network device may also perform step 210, so that the resource location for detecting the first PDCCH on the available subband can be determined subsequently according to the first CORESET configuration.
  • the network device determines the first CORESET configuration from multiple CORESET configurations for subbands available in the downlink BWP configured on the unlicensed spectrum carrier, where the CORESET configuration is not limited The absolute location of the frequency domain resource, and the available subband is a subband for which the network device successfully performs LBT.
  • the terminal device determines to detect the resource location of the first PDCCH on the available subband, and the first PDCCH is the PDCCH used to schedule the terminal device.
  • the terminal device determines the first CORESET configuration from the multiple CORESET configurations, the terminal device determines and detects the resource location of the first PDCCH on the available subband for data transmission.
  • the resource location of the first PDCCH may be on one subband of the available subband, or on multiple subbands of the available subband. For example, as shown in Figure 3, if the available subband in the downlink BWP is subband 1, the terminal device can determine the resource location for detecting the first PDCCH on subband 1 based on the first CORESET configuration; if available in the downlink BWP The subbands are subband 1 and subband 2, and the terminal device can determine the resource location for detecting the first PDCCH on subband 1 and subband 2 based on the first CORESET configuration.
  • the network device can also perform steps 210-212, so that subsequent network devices can detect the resource location of the first PDCCH on the determined available subband and send the first PDCCH to the terminal device. .
  • the method 200 may also include steps 210-212.
  • the network device determines the first CORESET configuration from multiple CORESET configurations for the available subbands in the downlink BWP configured on the unlicensed spectrum carrier, where the absolute position of the frequency domain resource is not defined in the CORESET configuration.
  • the available subbands are subbands for which the network device performs LBT successfully.
  • the network device determines a resource location for detecting a first PDCCH on the available subband, where the first PDCCH is a PDCCH used to schedule the terminal device.
  • the sequence number of the above-mentioned steps is not the order in which the terminal device and the network device perform the steps in the system.
  • the network device can execute steps 210 and 212 simultaneously with the steps 214 and 216 in the terminal device, or the network device The device first executes steps 210-212 and the terminal device executes 214-216, or the terminal device executes 214-216 and then the network device executes steps 210-212, or the network device executes step 210 first, and the terminal device executes step 214 again.
  • Step 212 is executed, and the terminal device executes step 216 again, which is not specifically limited in this application.
  • the terminal device Based on the determined resource location, the terminal device detects the first PDCCH.
  • the terminal device after the terminal device determines the resource location, it can start to detect the first PDCCH. If the first PDCCH is detected, the terminal device can receive the PDSCH or send the PUSCH based on the first PDCCH.
  • the first CORESET configuration is dynamically selected from a variety of CORESET configurations that do not limit the absolute position of frequency domain resources by determining the subband available in the downlink BWP.
  • the resource location of the PDCCH is detected on the available subbands, so that the CORESET configuration can be flexibly selected, so that the number of blind detections of the terminal device can be maximized, and the utilization rate of the PDCCH resources can be improved.
  • the terminal device determines the first CORESET configuration corresponding to the available subbands from among multiple CORESET configurations.
  • the first CORESET configuration may be determined according to the available subbands.
  • it can be determined according to the number of available subbands, or can be determined according to the frequency domain length of the available subbands.
  • the downstream BWP subband includes three subbands, That is, subband 1, subband 2, and subband 3.
  • the terminal device can determine from the three CORESET configurations CORESET configuration 1 for resource configuration, CORESET configuration 2 for resource configuration, and CORESET configuration 3 for resource configuration Configuration.
  • the terminal device can determine the CORESET configuration 1 to configure the resources of subband 1 and subband 2 from the three CORESET configurations, or it can determine the CORESET configuration 2 to subband 1 Perform resource configuration with subband 2, or select CORESET configuration 1 to configure resources for subband 1, while CORESET configuration 2 performs resource configuration for subband 2, which is not specifically limited in this application.
  • the number of blind checks of the SS configuration associated with the first CORESET configuration determined should not exceed the maximum number of blind checks allowed by the terminal device.
  • CORESET configuration 1 is determined from the three CORESET configurations for resource configuration. At this time, CORESET configuration 1 is associated with The number of blind checks configured in SS should be less than or equal to 20. If the number of blind checks of the SS configuration associated with CORESET configuration 1 is greater than 20, for example 25 times, in this case, the extra 5 times of the SS associated with CORESET configuration 1 will not be performed again, that is, CORESET configuration 1 The number of blind inspections associated with the SS configuration should have been blind inspection 25 times. Since the maximum allowable number of blind inspections for the terminal device is 20 times, 5 blind inspections out of the 25 blind inspections associated with CORESET configuration 1 will no longer be possible. To proceed, resulting in a waste of resources.
  • the total number of blind detection times of the SS configuration associated with the multiple CORESET configurations selected should be less than the maximum number of blind detection times allowed by the terminal device. For example, if the maximum number of blind checks allowed by the terminal device is 20, when the terminal device determines that the downlink BWP subband 1 and subband 2 are available, if the terminal device selects CORESET configuration 1 to configure resources for subband 1, and CORESET configuration 2 pairs Subband 2 performs resource configuration. In this case, the sum of the number of blind checks of the SS configuration associated with CORESET configuration 1 and the number of blind checks of the SS configuration associated with CORESET configuration 2 should not exceed 20 times.
  • the number of blind checks for the SS configuration associated with CORESET configuration 1 and the number of blind checks for the SS configuration associated with CORESET configuration 2 can both be 10 times, or the number of blind checks for the SS configuration associated with CORESET configuration 1 is 8 times, the number of blind checks of the SS configuration associated with CORESET configuration 2 is 12 or 10 times, which is not specifically limited in this application, and the terminal device can dynamically select the CORESET configuration when selecting the CORESET configuration.
  • the maximum number of blind checks allowed by the terminal device may be the maximum number of blind checks allowed by the terminal device to detect the first PDCCH (that is, scheduling PDSCH or PUSCH), if the preset on the terminal device is to allow the first PDCCH to be detected
  • the maximum number of blind checks for the PDCCH and the second PDCCH the terminal device may subtract the number of blind checks for detecting the second PDCCH based on the maximum number of blind checks to obtain the terminal device's permission to detect the first PDCCH (that is, schedule PDSCH or PUSCH) Maximum number of blind inspections.
  • the terminal device determines to detect the first PDCCH on the available subband.
  • CORESET can be arbitrarily configured for the available subbands to reduce the number of configurations.
  • the first CORESET configuration is determined from the multiple CORESET configurations according to the available subbands and the correspondence between subbands and CORESET configurations.
  • a CORESET configuration may correspond to one sub-band or multiple sub-bands.
  • multiple CORESET configurations include three CORESET configurations (CORESET configuration 1, CORESET configuration 2, and CORESET configuration 3) configurations, and the downstream BWP subband includes three subbands, namely subband 1, subband 2. And subband 3 as an example.
  • CORESET configuration 1 can correspond to subband 1
  • CORESET configuration 2 corresponds to subband 2
  • CORESET configuration 3 corresponds to subband 3. If subband 1 and subband 2 are available, the network device can use CORESET configuration 1 and CORESET configuration 2.
  • multiple CORESET configurations include three CORESET (CORESET configuration 1, CORESET configuration 2, and CORESET configuration 3) configurations, and the downstream BWP subband includes three subbands, namely subband 1, subband Take 2 and subband 3 as an example.
  • CORESET configuration 1 can correspond to subband 1, subband 2 or subband 3 respectively;
  • CORESET configuration 2 can correspond to subband 1 and subband 2, subband 2 and subband 3, and subband 1 and subband 3;
  • CORESET3 It can correspond to subband 1, subband 2, and subband 3. If subband 1 and subband 2 are available, the network device can adopt CORESET configuration 2.
  • the network device and the terminal device when determining the first CORESET configuration, can be determined based on the same rule, or the network device can determine the first CORESET configuration from multiple CORESET configurations, and then determine the first CORESET configuration.
  • the configuration sends indication information to the terminal device through the available subband, instructing the terminal device to use the first CORESET configuration to determine the resource location.
  • the network device sends indication information on the available subbands, and the indication information is used to instruct the terminal device to use the first CORESET configuration among multiple CORESET configurations to determine the resource location.
  • the terminal device After receiving the instruction information sent by the network device, the terminal device uses the first CORESET configuration from the multiple CORESET configurations to determine the resource location based on the detected instruction information on the available subband.
  • the determination may be made based on the indication information sent by the network device on the available subband.
  • the indication information is carried in a common PDCCH.
  • the indication information can be carried in the public PDCCH.
  • the status corresponding to each subband can be shared, so that other terminal devices can determine the resource location based on the learned subband status information.
  • the network may carry data transmission to multiple terminal devices. If the indication information is placed in the public PDCCH, all terminal devices associated with the network can understand the CORESET configuration to facilitate other terminal devices The resource location can be determined according to other CORESET configurations.
  • the indication information in the embodiments of the present application may also indicate the determination of the resource location of the first PDCCH on multiple available subbands based on the first CORESET configuration, and the indication information is carried in On one of the multiple available sub-bands.
  • the indication information may directly indicate that the first CORESET configuration is determined based on the first CORESET configuration to detect the resource location of the first PDCCH on the available subband.
  • the resource location of the first PDCCH detected on the available subband is sent to the terminal device, and the terminal device detects the first PDCCH at the determined resource location.
  • the indication information for determining the resource location of the first PDCCH to be detected on the available subband may be carried on one subband of the multiple available subbands. For example, for multiple subbands including 3 subbands, if the indication information is carried in the available subband 1, the corresponding indication information indicates that the resource location of the first PDCCH is determined based on the first CORESET configuration, and the terminal device is based on the indication of the indication information It is determined to detect the resource location of the first PDCCH on the available subband, and then the first PDCCH is detected on the determined resource location. It should be understood that the indication information for determining the resource location for detecting the first PDCCH on the available subband may be located only on subband 1, or only on subband 2, or on both subband 1 and subband 2. The application does not make specific restrictions on this.
  • the frequency domain length indicated by the first CORESET configuration covers at least part of the frequency domain resources of each subband in part of the available subbands.
  • the frequency domain length indicated by the first CORESET configuration may cover at least part of the frequency domain resources of each subband in the part of the available subbands.
  • the terminal device can determine from the three CORESET configurations that the frequency domain length indicated by the CORESET configuration selected by CORESET configuration 1 can cover at least part of the frequency domain resources of subband 1.
  • the terminal device can determine the CORESET configuration 1 from the three CORESET configurations.
  • the frequency domain length indicated by the first CORESET configuration can only cover the subband 1
  • At least part of the frequency domain resources may also cover at least part of the frequency domain resources of subband 2, or at least part of the frequency domain resources of subband 1 and subband 2 at the same time, which is not specifically limited in this application.
  • the frequency domain length indicated by the first CORESET configuration covers at least part of the frequency domain resources of each of the multiple available subbands.
  • the terminal device can determine the CORESET configuration 1 from the three CORESET configurations to configure PDCCH resources for subband 1 and subband 2.
  • the frequency domain length indicated by CORESET configuration 1 can only cover part of the frequency domain resources of subband 1, but cannot cover the frequency domain resources of subband 2. Therefore, when the terminal device selects the CORESET configuration, whether the frequency domain length indicated by the CORESET configuration to be selected can cover at least part of the frequency domain of each subband in the available subbands can also be selected as a reference condition.
  • the terminal device determines that the downlink BWP subband 1 and subband 2 are available, when selecting the first CORESET configuration, select the CORESET configuration that can cover subband 1 and subband 2.
  • the frequency range of subband 1 is 0-20 MHz, and the frequency range of subband 2 is 20-40.
  • the frequency domain length indicated by the first CORESET configuration is to cover at least each subband of subband 1 and subband 2, Part of the frequency domain resources, from a variety of CORESET configurations, select a configuration with a frequency domain length greater than 20MHz, for example, 21MHz, 30MHz, etc., so that the determined first CORESET configuration can cover each of the two available subbands At least part of the frequency domain range of the band.
  • the network device and the terminal device can determine multiple CORESET configurations according to preset unified regulations, or after the network device determines multiple CORESET configurations, they can send instructions to the terminal device to indicate the determined multiple CORESET configurations.
  • the method 200 may further include steps 222-224.
  • the network device sends configuration information to the terminal device, where the configuration information is used to indicate the multiple CORESET configurations.
  • the terminal device receives the configuration information sent by the network side
  • the network device can indicate the multiple CORESET configurations to the terminal device using indication information, and the terminal device then determines the first CORESET configuration according to the multiple CORESET configurations indicated.
  • the method 200 may further include steps 226-228.
  • the network device indicates that the subband is available through the second PDCCH of the available subband, where the second PDCCH is a common PDCCH.
  • the terminal device determines the available subband in the BWP according to the detection result of the second PDCCH in each subband in the BWP.
  • the network device may indicate that the subband is available through the second PDCCH of the subband whose LBT operation is successful, and the terminal device then determines the available subband in the BWP according to the detection result of the second PDCCH.
  • the second PDCCH can be sent on the subband 1.
  • the terminal device detects the second PDCCH on the subband 1, indicating that the network device can occupy the subband 1.
  • the terminal device can blindly detect the first PDCCH on this subband 1.
  • the embodiment of the present application also provides a method for detecting PDCCH. As shown in FIG. 6, the method 600 may include steps 610-620.
  • the network device determines to detect the resource location of the first PDCCH on the available subband in the BWP of the downlink bandwidth part configured on the unlicensed spectrum carrier, where the first PDCCH is a PDCCH used to schedule the terminal device, and the available The sub-band of is the sub-band that the network device executes the successful LBT after listening.
  • the network device sends instruction information to the terminal device, where the instruction information is used by the terminal device to determine a resource location for detecting a first PDCCH on the available subband, where the first PDCCH is used to schedule the terminal PDCCH of the device.
  • the network device may send indication information to the terminal device for the terminal device to determine the resource location of the first PDCCH on the subband.
  • the terminal device detects the indication information from the network device on the downlink BWP subband configured by the unlicensed spectrum carrier.
  • the terminal device determines, according to the indication of the indication information, a resource location for detecting a first PDCCH on the subband, and the first PDCCH is used For scheduling the PDCCH of the terminal device.
  • the terminal device if it detects the indication information on the subband, it can determine that the subband is available. At this time, the indication information can be used for the terminal device to determine that the subband is available, and can also be used for the terminal device to determine the resource location for detecting the first PDCCH on the subband.
  • the terminal device may determine that the subband is available according to other information, and when determining that the subband is available, detect the indication information on the available subband. At this time, the indication information may not be used for the terminal device to determine that the subband is available, but for the terminal device to determine the resource location of the first PDCCH on the subband.
  • the resource location for detecting the first PDCCH on the subband may be determined according to the pre-configured CORESST, or it may be determined on the subband according to a preset rule. Detect the resource location of the first PDCCH.
  • the indication information may indicate the resource location of the first PDCCH detected on all or part of the available subbands of the downlink BWP. For example, if the available subband of the downlink BWP is subband 1, the indication information may indicate the resource position of the first PDCCH on all frequency domains of subband 1 of the downlink BWP, or may indicate the first PDCCH resource location on part of the frequency domain of subband 1. A PDCCH resource location.
  • the available subbands can be all subbands in the downlink BWP configured on the unlicensed spectrum carrier, or part of the downlink BWP configured on the unlicensed spectrum carrier, and this application will not do this. Specific restrictions.
  • the terminal device Based on the determined resource location, the terminal device detects the first PDCCH.
  • the terminal device After the terminal device determines the resource location, it can start to detect the state of the first PDCCH. If the first PDCCH is in an idle state, the terminal device can let the first PDCCH control the PDSCH for data transmission.
  • the resource location for detecting the first PDCCH is dynamically determined according to the instructions of the network device for the available subbands in the downlink BWP, so that the resource location of the first PDCCH can be flexibly selected and detected Therefore, it is possible to maximize the number of blind checks of the terminal equipment, and to improve the utilization rate of PDCCH resources.
  • the network device and the terminal device may determine the resource location for detecting the first PDCCH on the subband according to a predetermined rule.
  • the indication information is carried in the common PDCCH.
  • the indication information can be carried in the public PDCCH.
  • the status corresponding to each subband can be shared, so that other terminal devices can determine the resource location based on the learned subband status information.
  • the network may carry data transmission to multiple terminal devices. If the indication information is placed in a public PDCCH, all terminal devices associated with the network can understand the status of the PDCCH so as to facilitate other The terminal device can determine the resource location according to the learned subband status information.
  • the indication information indicates that the first CORESET configuration among multiple CORESET configurations is used to determine the resource location, and the absolute location of the frequency domain resource is not defined in the CORESET configuration.
  • the terminal device determines to detect the resource location of the first PDCCH on the subband.
  • the instruction information sent by the network device to the terminal device may instruct the terminal device to use the first CORESET configuration among multiple CORESET configurations to determine the resource location.
  • the terminal device After detecting the indication information, the terminal device adjusts and determines the resource location for detecting the first PDCCH according to the indication of the indication information sent by the network device.
  • the first CORESET configuration in the embodiment of this application can be one CORESET configuration or multiple CORESET configurations (for example, there are multiple subbands available, and one CORESET configuration can correspond to one subband or multiple subbands).
  • the first CORESET configuration is multiple CORESET configurations
  • the multiple CORESET configurations collectively configure resources for the subbands in the downlink BWP configured on the unlicensed spectrum carrier.
  • the multiple CORESET configurations involved in the embodiments of the present application do not limit the absolute position of frequency domain resources, that is, the information about frequency domain resources in the multiple CORESET configurations only indicates the frequency domain length of the CORESET configuration, not Will indicate the absolute frequency domain position of the CORESET configuration.
  • the frequency domain length of each CORESET configuration in multiple CORESET configurations may be the same or different.
  • the CORESET configuration may indicate the time domain length of the corresponding CORESET, and may also indicate the absolute time domain position of the corresponding CORESET.
  • all CORESET configurations can indicate time domain information, or part of CORESET configurations can indicate time domain information.
  • the time domain length of each CORESET configuration in the multiple CORESET configurations may be the same or different, which is not specifically limited in this application.
  • the number of blind checks of the SS configuration associated with the first CORESET configuration determined should not exceed the maximum number of blind checks allowed by the terminal device.
  • the network device instructs to determine the first from multiple CORESET configurations based on the maximum number of blind checks allowed by the terminal device of 20.
  • CORESET configuration For example, the network device instructs to determine CORESET configuration 1 for resource configuration from the three CORESET configurations. At this time, the number of blind checks for the SS configuration associated with CORESET configuration 1 should be less than or equal to 20.
  • the number of blind checks of the SS configuration associated with CORESET configuration 1 is greater than 20 times, for example 25 times, in this case, the extra 5 times of the SS configuration associated with CORESET configuration 1 will not be performed again, that is, CORESET
  • the number of blind inspections of the SS configuration associated with configuration 1 should have been blind inspections 25 times. Since the maximum allowable number of blind inspections for terminal equipment is 20 times, 5 blind inspections out of the 25 blind inspections associated with CORESET configuration 1 Will proceed again, leading to a waste of resources.
  • the total number of blind detections of the SS configurations associated with the multiple CORESET configurations selected should be less than or equal to the maximum number of blind detections allowed by the terminal device. For example, if the maximum number of blind checks allowed by the terminal device is 20, when the terminal device determines that the downlink BWP subband 1 and subband 2 are available, if the terminal device selects CORESET configuration 1 to configure resources for subband 1, and CORESET configuration 2 pairs Subband 2 performs resource configuration. In this case, the sum of the number of blind checks of the SS configuration associated with CORESET configuration 1 and the number of blind checks of the SS configuration associated with CORESET configuration 2 should not exceed 20 times.
  • the number of blind checks for the SS configuration associated with CORESET configuration 1 and the number of blind checks for the SS configuration associated with CORESET configuration 2 can both be 10 times, or the number of blind checks for the SS configuration associated with CORESET configuration 1 is 8 times, the number of blind checks of the SS configuration associated with CORESET configuration 2 is 12 or 10 times, which is not specifically limited in this application, and the terminal device can dynamically select the CORESET configuration when selecting the CORESET configuration.
  • a second CORESET configuration is determined based on the first CORESET configuration and the offset.
  • the second CORESET configuration defines the absolute position of the frequency domain resource; the terminal device according to the second CORESET configuration, Determine the resource location for detecting the first PDCCH on the subband.
  • the first CORESET configuration in the embodiment of the present application does not limit the absolute position of the frequency domain resource.
  • the second CORESET with the absolute frequency domain position can be determined.
  • Configuration, after determining the second CORESET configuration, the terminal device determines the resource location for detecting the first PDCCH on the subband according to the second CORESET configuration with a fixed frequency domain location.
  • the offset in the embodiment of this application can be a parameter in the CORESET configuration, or can be configured independently of CORESET. For example, it can be indicated to the terminal device through the indication information mentioned in this application, or it can be configured to the terminal through RRC signaling Device or preset on the terminal device.
  • the method 600 may further include steps 622-624.
  • the network device sends configuration information to the terminal device, where the configuration information is used to indicate the multiple CORESET configurations.
  • the terminal device receives the configuration information sent by the network side.
  • the network device can indicate the multiple CORESET configurations to the terminal device using indication information, and the terminal device then determines the first CORESET configuration according to the multiple CORESET configurations indicated.
  • the indication information indicates that the resource location for detecting the first PDCCH on a plurality of the available subbands is determined based on the first CORESET configuration, wherein the indication information is carried in multiple subbands. On one of the sub-bands.
  • the indication information may directly indicate that the resource location for detecting the first PDCCH on the available subband is determined based on the first CORESET configuration.
  • the indication information may directly indicate that the first CORESET configuration is determined based on the first CORESET configuration to detect the resource location of the first PDCCH on the available subband.
  • the resource location of the first PDCCH detected on the available subband is sent to the terminal device, and the terminal device detects the first PDCCH according to the determined resource location.
  • the indication information for determining the resource location of the first PDCCH to be detected on the available subband may be carried on one subband of the multiple available subbands. For example, for multiple subbands including 3 subbands, if the indication information is carried in the available subband 1.
  • the indication information indicates that it is determined to detect the resource location of the first PDCCH based on the first CORESET configuration, and the terminal device determines to detect the resource location of the first PDCCH on the available subband according to the indication of the indication information, and then detects the first PDCCH on the determined resource location.
  • the indication information for determining the resource location for detecting the first PDCCH on the available subband may be located only on subband 1, or only on subband 2, or on both subband 1 and subband 2. The application does not make specific restrictions on this.
  • the frequency domain length indicated by the first CORESET configuration covers at least part of the frequency domain resources of each subband in the multiple subbands.
  • the first CORESET configuration may be single or multiple, and the frequency domain length indicated by the first CORESET configuration may cover at least part of the frequency domain resources of each subband in the multiple subbands.
  • the terminal device can determine CORESET configuration 1 for resource configuration from the three CORESET configurations, or select CORESET configuration 2 for resource configuration, or CORESET configuration 3 Perform resource configuration.
  • the frequency domain length indicated by the selected CORESET configuration can cover at least part of the frequency domain resources of subband 1.
  • the terminal device can determine the CORESET configuration from the three CORESET configurations, and configure the resources for subband 1 and subband 2. In this case, in this case It is possible that the frequency domain length indicated by CORESET configuration 1 can only cover part of the frequency domain resources of subband 1, or only cover part of the frequency domain resources of subband 2. Therefore, when the terminal device selects the CORESET configuration, whether the frequency domain length indicated by the CORESET configuration to be selected can cover at least part of the frequency domain of each of the multiple subbands can also be selected as a reference condition.
  • the terminal device performs CORESET configuration on the downlink BWP subband 1 and subband 2, when selecting the first CORESET configuration, select the CORESET configuration that can cover subband 1 and subband 2.
  • the frequency range of subband 1 is 0-20 MHz
  • the frequency range of subband 2 is 20-40.
  • the frequency domain length indicated by the first CORESET configuration is to cover at least each subband of subband 1 and subband 2, Part of the frequency domain resources, from a variety of CORESET configurations, select a configuration with a frequency domain length greater than 20MHz, for example, 21MHz, 30MHz, etc., so that the determined first CORESET configuration can cover each of the two available subbands At least part of the frequency domain range of the band.
  • an embodiment of the present application also provides a method for detecting PDCCH, as shown in Figure 8. As shown, the method 800 may include steps 810-816.
  • the network device detects the resource location of the first PDCCH from the terminal device pre-configured for the available subband for the available subband in the downlink BWP configured on the unlicensed spectrum carrier, and determines the terminal The resource location of the first PDCCH to be detected by the device.
  • the network device may determine the resource location to be detected from the pre-configured first PDCCH resource location, that is, after the network device configures the PDCCH area on each of the multiple subbands, The network device can adjust the resource location of the PDCCH pre-configured on the available subband, so as to improve resource utilization.
  • the terminal device determines the resource location to be detected from the resource locations for detecting the first PDCCH pre-configured for the available subbands for the available subbands in the downlink BWP configured on the unlicensed spectrum carrier .
  • the terminal device may determine the resource location to be detected from the pre-configured first PDCCH resource location, that is, the network device configures the candidate resource location of the PDCCH on each of the multiple subbands Later, the terminal device can select the resource location of the PDCCH pre-configured on the available subband, so as to improve resource utilization.
  • the terminal device when the terminal device determines the resource location to be detected, it can also be determined according to the instruction information sent by the network device to the terminal device.
  • the corresponding instruction information may instruct the network device to determine whether the PDCCH is pre-configured on the available subband.
  • the selection result of the candidate resource location is not specifically limited in this application.
  • the network device According to the resource location of the first PDCCH to be detected by the terminal device, the network device sends the first PDCCH to the terminal device.
  • the network device after determining the resource location of the first PDCCH to be detected, the network device sends the first PDCCH to the terminal device.
  • the terminal device Based on the resource location to be detected, the terminal device detects the first PDCCH.
  • the terminal device After the terminal device re-determines the resource location to be detected, the terminal device detects the first PDCCH based on the resource location to be detected.
  • the available subbands in the downlink BWP are dynamically determined from the pre-configured resource locations to detect the PDCCH resource locations to be detected on the available subbands, thereby achieving flexibility. Selecting the resource location to be detected can maximize the number of blind detections of the terminal device and improve the utilization rate of PDCCH resources.
  • the terminal device determines the resource location to be detected from the resource locations for detecting the first PDCCH pre-configured for the available subbands.
  • the terminal device may determine the resource location to be detected from the pre-configured resource locations for detecting the first PDCCH based on the maximum number of blind checks allowed by the terminal device.
  • the network device configures it based on the maximum number of detections that can be performed for each subband 10 times. If all three subbands included in the bandwidth part are available, then these three subbands are available. The number of detections will be greater than the maximum number of blind detections allowed by the terminal device. Therefore, before the terminal device performs detection, the pre-configured resource location for detecting the first PDCCH can be re-determined. Band 1 is tested 10 times, sub-band 2 is tested 5 times, and sub-band 3 is tested 5 times to improve resource utilization.
  • the pre-configured resource location is determined based on the CORESET configuration and search space pre-configured for the subband.
  • the network device may configure the resource location of the subband included in the bandwidth part in advance, where the network device may determine the resource location of the subband according to the CORESET configuration and the search space.
  • the method 800 may further include steps 818-820.
  • the network device indicates that the subband is available through the second PDCCH of the available subband, where the second PDCCH is a common PDCCH.
  • the terminal device determines the available subband in the BWP according to the detection result of the second PDCCH in each subband in the BWP.
  • the network device may indicate that the subband is available through the second PDCCH of the subband whose LBT operation is successful, and the terminal device then determines the available subband in the BWP according to the detection result of the second PDCCH.
  • the network device successfully performs the LBT operation, then the second PDCCH can be sent on the subband 1.
  • the terminal device detects the second PDCCH on the subband 1, and the specification network device may occupy the subband 1.
  • the terminal device can blindly detect the first PDCCH on this subband 1.
  • FIG. 10 is an apparatus 1000 for detecting PDCCH according to an embodiment of the present application.
  • the apparatus may include a determining module 1010 and a detecting module 1020.
  • the determining module 1010 is configured to determine the first CORESET configuration from multiple CORESET configurations for the available subbands in the downlink BWP configured on the unlicensed spectrum carrier, where the absolute position of the frequency domain resource is not defined in the CORESET configuration,
  • the available subbands are subbands for which the network device successfully executes LBT.
  • the determining module 1010 is further configured to determine, based on the first CORESET configuration, a resource location for detecting a first PDCCH on the available subband, where the first PDCCH is a PDCCH used to schedule the terminal device.
  • the detection module 1020 is configured to detect the first PDCCH based on the determined resource location.
  • the determining module 1010 is specifically configured to determine the first CORESET configuration corresponding to the available subband from multiple CORESET configurations according to the available subband.
  • the first CORESET configuration is determined from the multiple CORESET configurations according to the available subbands and the correspondence between subbands and CORESET configurations.
  • the determining module 1010 is specifically configured to determine the first CORESET configuration from among the multiple CORESET configurations based on the indication information detected on the available subbands, so The indication information is used to instruct to adopt the first CORESET configuration among the multiple CORESET configurations to determine the resource location.
  • the indication information is carried in a common PDCCH.
  • the indication information indicates that the resource location for detecting the first PDCCH on a plurality of the available subbands is determined based on the first CORESET configuration, wherein the indication information is carried in multiple subbands. One of the available sub-bands.
  • the frequency domain length indicated by the first CORESET configuration covers at least part of the frequency domain resources of each subband in part of the available subbands.
  • the frequency domain length indicated by the first CORESET configuration covers at least part of the frequency domain resources of each subband in the plurality of available subbands.
  • the apparatus 1000 may further include a receiving module 1030.
  • the receiving module 1030 is configured to receive configuration information sent by the network side, where the configuration information is used to indicate the multiple CORESET configurations.
  • the number of blind checks indicated by each CORESET configuration does not exceed the maximum number of blind checks allowed by the terminal device.
  • the determining module 1010 is further configured to: determine the available subbands in the BWP according to the detection result of the second PDCCH in each subband in the BWP, where the The second PDCCH is a common PDCCH.
  • FIG. 12 is an apparatus 1200 for detecting PDCCH according to an embodiment of the present application.
  • the apparatus may include a detecting module 1210 and a determining module 1220.
  • the detection module 1210 is configured to detect the indication information from the network device on the downlink BWP subband configured by the unlicensed spectrum carrier.
  • the determining module 1220 is configured to, when the indication information is detected on the subband, determine the resource location for detecting the first PDCCH on the subband according to the indication of the indication information, and the first PDCCH is used For scheduling the PDCCH of the terminal device.
  • the detecting module 1210 is further configured to detect the first PDCCH based on the determined resource location.
  • the indication information is carried in a common PDCCH.
  • the indication information indicates that the first CORESET configuration among multiple CORESET configurations is used to determine the resource location, and the absolute location of the frequency domain resource is not limited in the CORESET configuration; the determining module 1220 specifically It is used to determine the resource location for detecting the first PDCCH on the subband according to the first CORESET configuration.
  • the determining module 1220 is specifically configured to determine a second CORESET configuration based on the first CORESET configuration and the offset, and the second CORESET configuration defines the absolute position of the frequency domain resource ; According to the second CORESET configuration, determine the resource location for detecting the first PDCCH on the subband.
  • the apparatus 1200 further includes a receiving module 1230.
  • the receiving module 1230 is configured to receive configuration information sent by the network side, where the configuration information is used to indicate the multiple CORESET configurations.
  • the number of blind checks indicated by each CORESET configuration does not exceed the maximum number of blind checks allowed by the terminal device.
  • the indication information indicates that the resource location for detecting the first PDCCH on a plurality of subbands is determined based on the first CORESET configuration, wherein the indication information is carried in a plurality of subbands. On one of the sub-bands.
  • the frequency domain length indicated by the first CORESET configuration covers at least part of the frequency domain resources of the subbands in the plurality of subbands.
  • FIG. 14 is an apparatus 1400 for detecting PDCCH according to an embodiment of the present application.
  • the apparatus may include a determining module 1410 and a detecting module 1420.
  • the determining module 1410 is configured to determine the resource location to be detected from the resource location for detecting the first PDCCH pre-configured for the available subband for the available subband in the downlink BWP configured on the unlicensed spectrum carrier.
  • the detection module 1420 is configured to detect the first PDCCH based on the resource location to be detected.
  • the determining module 1410 is specifically configured to: based on the maximum number of blind checks allowed by the terminal device, from the resource positions for detecting the first PDCCH pre-configured for the available subbands , Determine the resource location to be detected.
  • the pre-configured resource location is determined based on the CORESET and search space pre-configured for the subband.
  • the detection module 1420 is further configured to: determine the available subbands in the BWP according to the detection result of the second PDCCH in each subband in the BWP, where the The second PDCCH is a common PDCCH.
  • FIG. 15 is an apparatus 1500 for detecting PDCCH according to an embodiment of the present application.
  • the apparatus 1500 may include a determining module 1510 and a sending module 1520.
  • the determining module 1510 is configured to determine the first CORESET configuration from multiple CORESET configurations for the available subbands in the downlink BWP configured on the unlicensed spectrum carrier, where the absolute position of the frequency domain resource is not defined in the CORESET configuration,
  • the available subbands are subbands for which the network device successfully performs LBT;
  • the determining module 1510 is further configured to determine, based on the first CORESET configuration, a resource location for detecting a first PDCCH on the available subband, where the first PDCCH is a PDCCH used to schedule the terminal device;
  • the sending module 1520 is configured to send the first PDCCH to the terminal device at the determined resource location.
  • the determining module 1510 is specifically configured to determine the first CORESET configuration corresponding to the available subband from multiple CORESET configurations according to the available subband .
  • the first CORESET configuration is determined from the multiple CORESET configurations according to the available subbands and the correspondence between subbands and CORESET configurations.
  • the sending module 1520 is further configured to send indication information on the available subbands, where the indication information is used to instruct the terminal device to use all of the multiple CORESET configurations.
  • the first CORESET configuration is used to determine the resource location.
  • the indication information is carried in a common PDCCH.
  • the indication information indicates that the resource location for detecting the first PDCCH on a plurality of the available subbands is determined based on the first CORESET configuration, wherein the indication information is carried in multiple subbands. On one of the sub-bands.
  • the frequency domain length indicated by the first CORESET configuration covers at least part of the frequency domain resources of each subband in part of the available subbands.
  • the frequency domain length indicated by the first CORESET configuration covers at least part of the frequency domain resources of each subband in the plurality of available subbands.
  • the sending module 1520 is further configured to send configuration information to the terminal device, where the configuration information is used to indicate the multiple CORESET configurations.
  • the number of blind checks indicated by each CORESET configuration does not exceed the maximum number of blind checks allowed by the terminal device.
  • the apparatus further includes an indication module 1530, configured to indicate the available subband through the second PDCCH of the available subband, where the second PDCCH is a common PDCCH .
  • FIG. 16 is an apparatus 1600 for detecting PDCCH according to an embodiment of the present application.
  • the apparatus 1600 may include a sending module 1610.
  • the sending module 1610 is configured to send instruction information to a terminal device, where the instruction information is used to instruct the terminal device to determine the resource location for detecting the first PDCCH on the subband according to the instruction of the instruction information.
  • a PDCCH is a PDCCH used to schedule the terminal equipment;
  • the sending module 1610 is further configured to send the first PDCCH to the terminal device, so that the terminal device detects the first PDCCH based on the determined resource location.
  • the indication information is carried in a common PDCCH.
  • the indication information indicates that the first CORESET configuration among multiple CORESETs is used to determine the resource location, and the CORESET configuration does not limit the absolute location of the frequency domain resource.
  • the sending module 1610 is further configured to send configuration information to the terminal device, where the configuration information is used to indicate the multiple CORESET configurations.
  • the number of blind checks indicated by each CORESET configuration does not exceed the maximum number of blind checks allowed by the terminal device.
  • the indication information indicates that the resource location for detecting the first PDCCH on a plurality of subbands is determined based on the first CORESET configuration, wherein the indication information is carried in a plurality of subbands. On one of the sub-bands.
  • the frequency domain length indicated by the first CORESET configuration covers at least part of the frequency domain resources of each of the multiple subbands.
  • FIG. 17 is an apparatus 1700 for detecting PDCCH according to an embodiment of the present application.
  • the apparatus 1700 may include a determining module 1710 and a sending module 1720.
  • the determining module 1710 is configured to detect the resource location of the first PDCCH from the terminal device pre-configured for the available subband for the available subband in the downlink BWP configured on the unlicensed spectrum carrier, and determine that the terminal device is waiting Detect the resource location of the first PDCCH.
  • the sending module 1720 is configured to send the first PDCCH to the terminal device according to the resource location of the first PDCCH to be detected by the terminal device.
  • the determining module 1710 is specifically configured to: based on the maximum number of blind checks allowed by the terminal device, the network device detects the first PDCCH pre-configured for the available subband. In the resource location, determine the resource location to be detected.
  • the pre-configured resource location is determined based on the CORESET and search space pre-configured for the subband.
  • the determining module 1710 is further configured to determine the available subbands in the BWP according to the detection result of the second PDCCH in each subband in the BWP, where the first The second PDCCH is a public PDCCH.
  • the apparatus 1700 further includes: an indication module 1730, configured to indicate that the available subband is available through the second PDCCH of the available subband, wherein the second PDCCH It is a public PDCCH.
  • An embodiment of the present application also provides a communication device 1800, as shown in FIG. 18, including a processor 1810 and a memory 1820, the memory is used to store a computer program, the processor is used to call and run the computer stored in the memory The program executes the method according to any one of claims xx to xx.
  • the processor 1810 can call and run a computer program from the memory 1820 to implement the method in the embodiment of the present application.
  • the memory 1820 may be a separate device independent of the processor 1810, or may be integrated in the processor 1810.
  • the communication device 1800 may further include a transceiver 1830, and the processor 1810 may control the transceiver 1830 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 1830 may include a transmitter and a receiver.
  • the transceiver 1830 may further include an antenna, and the number of antennas may be one or more.
  • the communication device 1800 may specifically be a network device of an embodiment of the application, and the communication device 1800 may implement the corresponding process implemented by the network device in each method of the embodiment of the application. For brevity, details are not repeated here. .
  • the communication device 1800 may specifically be a mobile terminal/terminal device of an embodiment of the present application, and the communication device 1800 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. 19 is a schematic structural diagram of a chip of an embodiment of the present application.
  • the chip 1900 shown in FIG. 19 includes a processor 1910, and the processor 1910 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the chip 1900 may further include a memory 1920.
  • the processor 1910 can call and run a computer program from the memory 1920 to implement the method in the embodiment of the present application.
  • the memory 1920 may be a separate device independent of the processor 1910, or may be integrated in the processor 1910.
  • the chip 1900 may further include an input interface 1930.
  • the processor 1910 can control the input interface 1930 to communicate with other devices or chips, and specifically, can obtain information or data sent by other devices or chips.
  • the chip 1900 may further include an output interface 1940.
  • the processor 1910 can control the output interface 1940 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 the various methods of the embodiment of the present application.
  • the chip can implement the corresponding process implemented by the network device in the various methods 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 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 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 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.
  • 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 (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 ready-made 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 may be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module 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 embodiment 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 a 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
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM DDR SDRAM
  • ESDRAM enhanced synchronous dynamic random access memory
  • Synchlink DRAM SLDRAM
  • 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), etc. That is to say, the memory in the embodiment of the present application is intended to include but not limited to these and any other suitable types of memory.
  • FIG. 20 is a schematic structural diagram of a communication system 2000 provided by an embodiment of the present application. As shown in FIG. 20, the communication system 2000 includes a terminal device 2010 and a network device 2020.
  • the terminal device 2010 can be used to implement the corresponding function implemented by the terminal device in the above method
  • the network device 2020 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 embodiment of the present application also provides a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium may 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 enables the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application ,
  • the computer program enables the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application ,
  • I will not repeat it here.
  • the embodiments of the present application also provide a computer program product, including computer program instructions.
  • the computer program product may 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 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 brevity, I won't 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, the computer is caused 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 only 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 can 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.
  • each unit in each embodiment 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 this 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 method described in each embodiment 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 .

Landscapes

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

Abstract

L'invention concerne un procédé et un appareil de détection de PDCCH, et un dispositif de communication. Le procédé comprend : un dispositif terminal détermine, pour une sous-bande disponible dans une liaison descendante BWP configurée sur une porteuse de spectre sans licence, une première configuration CORESET parmi diverses configurations CORESET, dans lequel les configurations CORESET ne définissent pas une position absolue d'une ressource du domaine fréquentiel, et la sous-bande disponible est une sous-bande dans laquelle un dispositif de réseau exécute avec succès une LBT; sur la base de la première configuration CORESET et du dispositif terminal, un premier PDCCH est un PDCCH pour la planification du dispositif terminal; et sur la base d'une position de ressource déterminée, le dispositif terminal détecte le premier PDCCH. Dans le procédé décrit dans les modes de réalisation de la présente invention, une première configuration de CORESET est sélectionnée de manière dynamique, pour une sous-bande disponible dans un BWP de liaison descendante, parmi diverses configurations de CORESET qui ne définissent pas une position absolue d'une ressource de domaine de fréquence, de façon à déterminer une position de ressource, sur la sous-bande disponible, pour détecter un PDCCH, de telle sorte que la sélection flexible d'une configuration de CORESET peut être réalisée, et par conséquent, la maximisation du nombre d'instances de détection aveugle d'un dispositif terminal peut être obtenue, et le taux d'utilisation de ressources PDCCH peut être amélioré.
PCT/CN2019/087872 2019-05-21 2019-05-21 Procédé et dispositif de détection de pdcch, et dispositif de communication Ceased WO2020232647A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201980074107.1A CN113170445B (zh) 2019-05-21 2019-05-21 用于检测pdcch的方法、装置和通信设备
PCT/CN2019/087872 WO2020232647A1 (fr) 2019-05-21 2019-05-21 Procédé et dispositif de détection de pdcch, et dispositif de communication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/087872 WO2020232647A1 (fr) 2019-05-21 2019-05-21 Procédé et dispositif de détection de pdcch, et dispositif de communication

Publications (1)

Publication Number Publication Date
WO2020232647A1 true WO2020232647A1 (fr) 2020-11-26

Family

ID=73459268

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/087872 Ceased WO2020232647A1 (fr) 2019-05-21 2019-05-21 Procédé et dispositif de détection de pdcch, et dispositif de communication

Country Status (2)

Country Link
CN (1) CN113170445B (fr)
WO (1) WO2020232647A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220132473A1 (en) * 2019-10-03 2022-04-28 Lg Electronics Inc. Method and apparatus for transmitting/receiving wireless signal in wireless communication system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118714646A (zh) * 2023-03-27 2024-09-27 华为技术有限公司 一种通信方法及通信装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108496317A (zh) * 2017-11-02 2018-09-04 北京小米移动软件有限公司 剩余关键系统信息的公共资源集合的查找方法及装置
WO2018228525A1 (fr) * 2017-06-15 2018-12-20 Mediatek Inc. Fonctionnement économe en énergie pour bande passante plus large
CN109392140A (zh) * 2017-08-11 2019-02-26 维沃移动通信有限公司 一种用于监听pdcch的方法、终端及网络设备
CN109451865A (zh) * 2018-02-12 2019-03-08 北京小米移动软件有限公司 传输信息的方法、基站及用户设备

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019056390A1 (fr) * 2017-09-25 2019-03-28 Oppo广东移动通信有限公司 Procédé de communication sans fil, dispositif de réseau, et terminal
CN109699054B (zh) * 2017-10-24 2020-11-06 华为技术有限公司 一种检测下行控制信息的方法、终端设备和网络设备

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018228525A1 (fr) * 2017-06-15 2018-12-20 Mediatek Inc. Fonctionnement économe en énergie pour bande passante plus large
CN109392140A (zh) * 2017-08-11 2019-02-26 维沃移动通信有限公司 一种用于监听pdcch的方法、终端及网络设备
CN108496317A (zh) * 2017-11-02 2018-09-04 北京小米移动软件有限公司 剩余关键系统信息的公共资源集合的查找方法及装置
CN109451865A (zh) * 2018-02-12 2019-03-08 北京小米移动软件有限公司 传输信息的方法、基站及用户设备

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220132473A1 (en) * 2019-10-03 2022-04-28 Lg Electronics Inc. Method and apparatus for transmitting/receiving wireless signal in wireless communication system
US12063659B2 (en) * 2019-10-03 2024-08-13 Lg Electronics Inc. Method and apparatus for transmitting/receiving wireless signal in wireless communication system

Also Published As

Publication number Publication date
CN113170445B (zh) 2022-12-23
CN113170445A (zh) 2021-07-23

Similar Documents

Publication Publication Date Title
US11246120B2 (en) Data transmission method and terminal device
WO2020143057A1 (fr) Procédé et appareil de détermination de schéma d'accès à un canal, dispositif terminal, et dispositif de réseau
US12041641B2 (en) Resource indication method and terminal device
WO2021003682A1 (fr) Procédé de transmission d'informations de commande, dispositif terminal et dispositif de réseau
EP3820100A1 (fr) Procédé de transmission de données, dispositif terminal et dispositif de réseau
WO2019237241A1 (fr) Procédé de transmission de signal de liaison descendante et dispositif terminal
CN114501651B (zh) 确定时隙格式的方法及装置
WO2020164156A1 (fr) Procédé de détermination de largeur de bande d'émission, dispositif et support de stockage
WO2020220358A1 (fr) Procédé et appareil de réglage de puissance pour spectre sans licence
WO2020248143A1 (fr) Procédé de commande de puissance, dispositif terminal et dispositif de réseau
CN116491168A (zh) 一种随机接入资源确定方法、电子设备及存储介质
WO2020073623A1 (fr) Procédé et appareil de configuration de ressources et dispositif de communication
WO2020056777A1 (fr) Procédé de communication sans fil, nœud de transmission, et nœud de réception
CN115276909B (zh) Dci格式的接收方法及预配置下行信道的接收方法、装置
WO2020051919A1 (fr) Procédés et appareils de détermination et d'attribution de ressources, et terminal et dispositif de réseau
CN112673587B (zh) 一种信道处理方法、终端设备及存储介质
US11737139B2 (en) Communication method, terminal device, and network device
EP3817482A1 (fr) Procédé de transmission de signal de liaison montante, dispositif terminal et dispositif de réseau
CN113170445B (zh) 用于检测pdcch的方法、装置和通信设备
TW202015470A (zh) 無線通訊方法和通信設備
WO2020211095A1 (fr) Procédé et dispositif de brouillage de signal et dispositif de communication
CN114375062B (zh) 一种上行传输方法、终端设备及网络设备
EP3813471A1 (fr) Procédé d'indication de type d'accès à un canal, dispositif terminal et dispositif de réseau
WO2021092920A1 (fr) Appareil et procédé de transmission inter-porteuses, et dispositif terminal
WO2021000239A1 (fr) Procédé de communication sans fil, dispositif de réseau et dispositif terminal

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: 19929293

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: 19929293

Country of ref document: EP

Kind code of ref document: A1