WO2026016010A1 - Procédé de communication sans fil, dispositif et support de stockage - Google Patents

Procédé de communication sans fil, dispositif et support de stockage

Info

Publication number
WO2026016010A1
WO2026016010A1 PCT/CN2024/105579 CN2024105579W WO2026016010A1 WO 2026016010 A1 WO2026016010 A1 WO 2026016010A1 CN 2024105579 W CN2024105579 W CN 2024105579W WO 2026016010 A1 WO2026016010 A1 WO 2026016010A1
Authority
WO
WIPO (PCT)
Prior art keywords
time
signal
downlink channel
frequency resource
indication information
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.)
Pending
Application number
PCT/CN2024/105579
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English (en)
Chinese (zh)
Inventor
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 PCT/CN2024/105579 priority Critical patent/WO2026016010A1/fr
Publication of WO2026016010A1 publication Critical patent/WO2026016010A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements

Definitions

  • This application relates to the field of mobile communication technology, specifically to a wireless communication method, device, and storage medium.
  • NES Network energy saving
  • OPEX operators' operating expenses
  • the power consumption of a wireless access session can be divided into two parts: the dynamic part includes only the power consumption when data is being transmitted or received; the static part includes the power consumption necessary for the necessary operation of the wireless access equipment at all times, including power consumption when no data is being transmitted or received.
  • This application provides a wireless communication method, device, and storage medium.
  • a first downlink channel or signal is received on a first time-frequency resource of a first cell.
  • the first downlink channel or signal is used to determine a second time-frequency resource.
  • the second time-frequency resource is used to transmit a second downlink channel or signal.
  • the second downlink channel or signal is used to transmit a paging message.
  • a first downlink channel or signal is transmitted on a first time-frequency resource of a first cell.
  • the first downlink channel or signal is used to determine a second time-frequency resource.
  • the second time-frequency resource is used to transmit a second downlink channel or signal.
  • the second downlink channel or signal is used to transmit a paging message.
  • the first communication unit is configured to receive a first downlink channel or signal on a first time-frequency resource of a first cell.
  • the first downlink channel or signal is used to determine a second time-frequency resource.
  • the second time-frequency resource is used to transmit a second downlink channel or signal.
  • the second downlink channel or signal is used to transmit a paging message.
  • the second communication unit is configured to transmit a first downlink channel or signal on a first time-frequency resource of the first cell.
  • the first downlink channel or signal is used to determine a second time-frequency resource.
  • the second time-frequency resource is used to transmit a second downlink channel or signal.
  • the second downlink channel or signal is used to transmit a paging message.
  • the chip provided in this application embodiment is used to implement the above-described wireless communication method.
  • the chip includes a processor for calling and running a computer program from a memory, causing a device equipped with the chip to perform the aforementioned wireless communication method.
  • the computer-readable storage medium provided in this application embodiment is used to store a computer program that causes a computer to execute the above-described wireless communication method.
  • the computer program product provided in this application includes computer program instructions that cause a computer to execute the above-described wireless communication method.
  • the computer program provided in this application embodiment when run on a computer, causes the computer to execute the above-described wireless communication method.
  • the resources for transmitting the second downlink channel or signal can be determined based on the received first downlink channel or signal.
  • the second downlink channel or signal is used to transmit paging messages.
  • Figure 1 is a schematic diagram of an application scenario of an embodiment of this application.
  • FIG. 2 is a schematic diagram of the architecture of another communication system provided in an embodiment of this application.
  • FIG. 3 is a schematic diagram of the architecture of another communication system provided in an embodiment of this application.
  • FIG. 4 is an optional flowchart of the wireless communication method provided in an embodiment of this application.
  • Figure 5 is a schematic diagram of the optional structure of the first downlink channel or signal provided in an embodiment of this application;
  • FIG. 6 is an optional flowchart of the wireless communication method provided in an embodiment of this application.
  • FIG. 7 is an optional flowchart of the wireless communication method provided in an embodiment of this application.
  • FIG. 8 is an optional flowchart of the wireless communication method provided in an embodiment of this application.
  • FIG. 9 is an optional flowchart of the wireless communication method provided in an embodiment of this application.
  • FIG. 10 is an optional flowchart of the wireless communication method provided in an embodiment of this application.
  • FIG 11 is an optional flowchart of the wireless communication method provided in an embodiment of this application.
  • Figure 12 is an optional flowchart of the wireless communication method provided in an embodiment of this application.
  • Figure 13 is an optional flowchart of the wireless communication method provided in an embodiment of this application.
  • Figure 14 is an optional flowchart of the wireless communication method provided in an embodiment of this application.
  • Figure 15 is a schematic diagram of an optional structure of a terminal device provided in an embodiment of this application.
  • Figure 16 is a schematic diagram of an optional structure of a network device provided in an embodiment of this application.
  • Figure 17 is a schematic structural diagram of a communication device provided in an embodiment of this application.
  • Figure 18 is a schematic structural diagram of a chip according to an embodiment of this application.
  • Figure 19 is a schematic block diagram of a communication system provided in an embodiment of this application.
  • Figure 1 is a schematic diagram of an application scenario of an embodiment of this application.
  • the communication system 100 may include a terminal device 110 (or a communication terminal device) and a network device 120.
  • the network device 120 can communicate with the terminal device 110 via an air interface. Multi-service transmission is supported between the terminal device 110 and the network device 120.
  • LTE Long Term Evolution
  • TDD LTE Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • IoT Internet of Things
  • NB-IoT Narrow Band Internet of Things
  • eMTC enhanced Machine-Type Communications
  • 5G communication system also known as New Radio (NR) communication system
  • NR New Radio
  • network device 120 may be an access network device that communicates with terminal device 110.
  • the access network device can provide communication coverage for a specific geographical area and can communicate with terminal device 110 (e.g., UE) located within that coverage area.
  • terminal device 110 e.g., UE
  • Terminal device 110 can be any terminal device, including but not limited to terminal devices that are connected to network device 120 or other terminal devices via wired or wireless connections.
  • Terminal device 110 can be used for device-to-device (D2D) communication.
  • D2D device-to-device
  • the wireless communication system 100 may also include a core network device 130 that communicates with a base station.
  • the various functional units in the communication system 100 can also establish connections and communicate with each other through the next generation (NG) interface.
  • NG next generation
  • Figure 1 exemplarily illustrates a base station, a core network device, and two terminal devices.
  • the wireless communication system 100 may include multiple base station devices, and each base station may include other numbers of terminal devices within its coverage area. This application embodiment does not limit this.
  • Satellite communication is not limited by user location. For example, conventional terrestrial communication cannot cover oceans, mountains, deserts, or other areas where communication equipment cannot be deployed or where there is no communication coverage due to sparse population. However, with satellite communication, a single satellite can cover a large area, and since satellites orbit the Earth, theoretically every corner of the Earth can be covered by satellite communication. Second, satellite communication has significant social value. Satellite communication can provide coverage in remote mountainous areas and impoverished countries or regions at a relatively low cost, enabling people in these areas to enjoy advanced voice communication and mobile internet technologies, helping to narrow the digital divide with developed regions and promoting development in these areas. Third, satellite communication has a long range, and the cost does not increase significantly with increasing communication distance. Finally, satellite communication is highly stable and is not affected by natural disasters.
  • NTN technology can be combined with various communication systems.
  • NTN technology can be combined with NR systems to form an NR-NTN system.
  • NTN technology can be combined with Internet of Things (IoT) systems to form an IoT-NTN system.
  • IoT-NTN system can include NB-IoT-NTN systems and eMTC-NTN systems.
  • FIG. 2 is a schematic diagram of the architecture of another communication system provided in an embodiment of this application.
  • the system includes a terminal device 201 and a satellite 202, which can communicate wirelessly.
  • the network formed between the terminal device 201 and the satellite 202 can also be called an NTN.
  • the satellite 202 can function as a base station, and the terminal device 201 and the satellite 202 can communicate directly.
  • the satellite 202 can be referred to as a network device.
  • the communication system may include multiple network devices 1102, and the coverage area of each network device 1102 may include other numbers of terminal devices; this application does not limit this aspect.
  • FIG. 3 is a schematic diagram of the architecture of another communication system provided in an embodiment of this application.
  • the aforementioned satellite 202 includes, but is not limited to: Low-Earth Orbit (LEO) satellites, Medium-Earth Orbit (MEO) satellites, Geostationary Earth Orbit (GEO) satellites, Highly Elliptical Orbit (HEO) satellites, etc. Satellites can use multiple beams to cover the ground; for example, a single satellite can generate dozens or even hundreds of beams to cover the ground. In other words, a single satellite beam can cover a ground area with a diameter of tens to hundreds of kilometers, ensuring satellite coverage and increasing the overall system capacity of the satellite communication system.
  • LEO Low-Earth Orbit
  • MEO Medium-Earth Orbit
  • GEO Geostationary Earth Orbit
  • HEO Highly Elliptical Orbit
  • MIMO multiple-input multiple-output
  • MIMO massive multiple-input multiple-output
  • distributed MIMO and/or massive MIMO may also support cell-free or UE-centric network deployment scenarios. It should be understood that the above scenarios also apply to TN and/or NTN.
  • B5G or 6G can support TN or NTN, as well as network deployment scenarios centered on base stations or terminal-centered.
  • Figures 1 to 3 are merely illustrative examples illustrating the system to which this application applies.
  • the methods shown in the embodiments of this application can also be applied to other systems.
  • system and “network” are often used interchangeably in this document.
  • the term “and/or” in this document merely describes the relationship between related objects, indicating that three relationships can exist.
  • a and/or B can represent: A existing alone, A and B existing simultaneously, or B existing alone.
  • the character “/” in this document generally indicates that the preceding and following related objects have an "or” relationship.
  • "instruction” mentioned in the embodiments of this application can be a direct instruction, an indirect instruction, or an indication of a related relationship.
  • a instructing B can mean that A directly instructs B, for example, B can be obtained through A; it can also mean that A indirectly instructs B, for example, A instructs C, B can be obtained through C; or it can mean that there is a related relationship between A and B.
  • “correspondence” mentioned in the embodiments of this application can indicate a direct or indirect correspondence between two things, or an related relationship between two things, or a relationship of instruction and being instructed, configuration and being configured, etc.
  • the "predefined” or “predefined rules” mentioned in the embodiments of this application can be defined by pre-storing corresponding codes, tables, or other means in the device (e.g., including terminal devices and network devices).
  • the predefined method can refer to the one defined in the protocol.
  • the "protocol” can refer to standard protocols in the field of communication, such as the LTE protocol, the NR protocol, and related protocols applied to future communication systems, and this application does not limit this.
  • NES Network Access System
  • OPEX Operations Per Expectation
  • the power consumption of a single radio access can be divided into two parts: the dynamic part includes only the power consumption when data is being transmitted or received; the static part includes the power consumption at all times necessary for the necessary operation of the radio access equipment, including power consumption when no data is being transmitted or received.
  • the initial access process for terminal devices can be completed by detecting the Synchronization Signal/PBCH Block (SSB or SS/PBCH block) on the Synchronization Raster.
  • the SSB is transmitted through a Discovery Burst Transmission Window or an SSB transmission opportunity window. These windows occur periodically, and the period can be configured by the network device using higher-layer parameters.
  • the terminal device attempts to search for SSBs based on their predefined possible time-frequency locations, and obtains time and frequency synchronization, radio frame timing, and cell ID from the detected SSBs.
  • SSB indexes enable UEs to obtain system timing information.
  • SSB indexes have another function: indicating the quasi-co-location (QCL) relationship between SSBs, or in other words, indicating beam direction.
  • QCL refers to the fact that the large-scale parameters of the channel experienced by a symbol on one antenna port can be inferred from the channel experienced by a symbol on another antenna port.
  • These large-scale parameters can include delay spread, average delay, Doppler spread, Doppler shift, and spatial reception parameters.
  • SSBs carried by different beams constitute an SSB burst set.
  • Different SSB indices correspond to the time-domain location information of different SSBs within the burst set, and also to the specific SSB transmission beam information.
  • SSBs with the same SSB index can be considered to have a QCL relationship; or, in other words, SSBs with the same SSB index experience the same or similar large-scale parameters of the channel.
  • the UE can assume that the network device uses the same beam to transmit these SSBs; there is no QCL relationship between SSBs corresponding to different SSB indices, because they may come from different transmission beams of the network device and have experienced different channel transmission characteristics.
  • the terminal device After detecting an SSB, the terminal device can determine the configuration of the Type 0 Physical Downlink Control Channel (PDCH) Common Search Space (CSS) set (Type 0-PDCCH CSS) through the Master Information Block (MIB) message in the SSB.
  • the terminal device can receive the network device's scheduling of System Information Block (SIB) 1 messages by listening to the Type 0-PDCCH CSS set. Both the MIB and SIB1 messages include the serving cell's system configuration information.
  • PDCH Physical Downlink Control Channel
  • CSS Common Search Space
  • MIB Master Information Block
  • the terminal device can receive the network device's scheduling of other system messages besides SIB1 messages by listening to the Type 0A-PDCCH CSS set, receive the network device's scheduling of paging messages by listening to the Type 2-PDCCH CSS set, and receive the Paging Early Indication (PEI) information of paging messages sent by the network device by listening to the Type 2A-PDCCH CSS set.
  • Paging Early Indication PEI
  • the MIB can also be referred to as the main information block, and the SIB can also be referred to as the system information block.
  • the terminal device can also obtain the resource configuration of the Physical Random Access Channel (PRACH) transmission opportunity (RO) during the random access process based on the received cell system message SIB1.
  • RO is the time-frequency resource carrying the random access preamble (also known as PRACH).
  • the resource configuration during the random access process also includes PUSCH resource configuration, also known as the Physical Uplink Shared Channel (PUSCH) transmission opportunity (PO).
  • message A MsgA
  • MsgA includes MsgA PRACH and MsgA PUSCH.
  • RO is the time-frequency resource used to carry MsgA PRACH
  • PO is the time-frequency resource used to carry MsgA PUSCH.
  • a key feature of the NR system is its support for downlink multi-beaming, where different SSBs are associated with different beams.
  • a terminal device Before a terminal device initiates random access, it measures and evaluates the signal quality of the cell and the signal strength of each SSB within it. If the detected SSB signal strength exceeds a threshold, the strongest or relatively strong SSB is identified. For example, if the terminal device determines SSB#1 as the strongest SSB, it determines the corresponding PRACH transmission opportunity for SSB#1 as RO#1 based on the mapping relationship between SSBs and ROs, and transmits the PRACH on RO#1. If the network device successfully receives the PRACH, it can determine the SSB selected by the terminal device based on the resource information from the successful reception. For instance, the network device can determine that the PRACH is associated with SSB#1 based on the association relationship, and thus determine the beam information for subsequent communication based on SSB#1.
  • the terminal device can also request system messages to be sent from the network device.
  • the system message requested by the backup to the network device can be any system message other than SIB1, such as SIB2, SIB3, SIB4, SIB5, SIB6, SIB7, SIB8, SIB9, SIB10, SIB11, SIB12, SIB13, SIB14, SIB15, SIB16, SIB17, SIB18, SIB19, SIB20, SIB21, etc.
  • the wireless communication method provided in this application embodiment, as shown in FIG4, is applied to a terminal device and includes:
  • the terminal device receives a first downlink channel or signal on a first time-frequency resource of a first cell.
  • the first downlink channel or signal is used to determine a second time-frequency resource.
  • the second time-frequency resource is used to transmit a second downlink channel or signal.
  • the second downlink channel or signal is used to transmit a paging message.
  • the first cell may be the serving cell or a discovered cell of the terminal device.
  • the terminal device receiving the first downlink channel or signal on the first time-frequency resources of the first cell can be replaced by the terminal device detecting the first downlink channel or signal on the first time-frequency resources of the first cell.
  • the resources for transmitting the second downlink channel or signal can be determined based on the received first downlink channel or signal.
  • the second downlink channel or signal is used to transmit paging messages.
  • the first downlink channel or signal includes a synchronization signal.
  • the terminal device receiving the first downlink channel or signal on the first time-frequency resource of the first cell can be understood as the terminal device receiving the synchronization signal by blindly detecting the synchronization signal during the initial access process.
  • the synchronization signal can be replaced with SSB or other descriptions.
  • the first downlink channel or signal is used to carry one of the following: Master Message Block (MIB), First System Message Block (SIB), MIB, and First SIB.
  • MIB Master Message Block
  • SIB First System Message Block
  • MIB First SIB
  • MIB First SIB
  • the first SIB includes the most basic system configuration information of the first cell; and/or, the first SIB includes paging configuration information of the first cell.
  • the most basic system configuration information for a first cell includes one or more of the following: Public Land Mobile Network (PLMN), Tracking Area Code (TAC), Cell Identifier, and Cell Access Allowed or Denied Information.
  • PLMN Public Land Mobile Network
  • TAC Tracking Area Code
  • Cell Identifier Cell Identifier
  • Denied Information Cell Access Allowed or Denied Information.
  • the first SIB includes the most basic system configuration information in the first cell, wherein the most basic system configuration information in the first cell includes the paging configuration information of the first cell.
  • the relative positional relationship between the synchronization signal and the first SIB is preset by the protocol. After detecting the synchronization signal, the terminal device can receive the first SIB according to the relative positional relationship between the synchronization signal and the first SIB.
  • the first SIB is the minimum SIB
  • the first downlink channel or signal is used to carry the MIB and/or the minimum SIB.
  • Figure 5 shows a schematic diagram of the structure of the first downlink channel or signal, which includes the SSB and the minimum SIB.
  • the relative positions of the SSB and the minimum SIB in the time domain are fixed, and they occupy the same frequency domain units. That is, after detecting the SSB, the terminal device can receive the minimum SIB based on the structure of the SSB and the minimum SIB. The network device does not need to use DCI to schedule the reception of the minimum SIB.
  • the first downlink channel or signal is used to acquire one or more of the following: cell identifier, system time information, and downlink synchronization.
  • the terminal device can obtain one or more of the following based on the first downlink channel or signal: cell identifier, system time information, and downlink synchronization.
  • system time information may include the timing of system time units, such as wireless frame timing.
  • the network device configures paging-related configuration messages in the system message block associated with the synchronization signal, so that the terminal device in the idle state can obtain the paging-related configuration by detecting the synchronization signal during the initial access process, thereby meeting the needs of the terminal device in the idle state to stay in the cell; at the same time, the network device can also reduce the transmission of meaningless system messages, thereby achieving the purpose of network energy saving.
  • the first downlink channel or signal is used to determine the second time-frequency resource, including:
  • the first downlink channel or signal carries first indication information, which is used to determine the second time-frequency resource.
  • the terminal device receives the first downlink channel or signal and determines the second time-frequency resource based on the first indication information carried in the first downlink channel or signal.
  • a first downlink channel or signal is used to carry a MIB, which includes first indication information.
  • a first downlink channel or signal is used to carry a first SIB, the first SIB including first indication information.
  • a first downlink channel or signal is used to carry a MIB and a first SIB, wherein the MIB includes first indication information, or the first SIB includes first indication information, or the MIB includes a portion of the first indication information and the first SIB includes another portion of the first indication information.
  • the paging configuration information of the first cell includes first indication information.
  • the first indication information is used to indicate one or more of the following:
  • the number of time-domain units included in the second time-frequency resource is the number of time-domain units included in the second time-frequency resource
  • the first indication information indicates the number of time-domain units included in the second time-frequency resource, which can be understood as the first indication information indicating the number of time-domain units included in the second time-frequency resource in the time domain.
  • the time-domain unit may include one of the following: frame, subframe, time slot, symbol, etc.
  • the first indication information indicates the number of frequency domain units included in the second time-frequency resource, which can be understood as the first indication information indicating the number of frequency domain units included in the second time-frequency resource in the frequency domain.
  • the frequency domain unit may include one of the following: resource element (RE), physical resource block (PRB), RE group, PRB group, etc. It is understood that an RE group includes multiple REs, and a PRB group includes multiple PRBs.
  • RE resource element
  • PRB physical resource block
  • the first downlink channel or signal is used to determine the second time-frequency resource, including: the first time-frequency resource is used to determine the second time-frequency resource.
  • the terminal device determines the second time-frequency resource based on the first time-frequency resource.
  • the use of a first time-frequency resource to determine a second time-frequency resource can be understood as the first time-frequency resource being associated with the second time-frequency resource.
  • the association between the first time-frequency resource and the second time-frequency resource includes one of the following:
  • a first time-frequency resource is associated with a second time-frequency resource
  • a first time-frequency resource is associated with a first number of second time-frequency resources
  • a second number of first time-frequency resources are associated with a second time-frequency resource.
  • the first or second quantity is preset or indicated by indication information carried in the first downlink channel or signal.
  • the first time-frequency resource is used to determine the second time-frequency resource, including:
  • the time-domain location of the first time-frequency resource is used to determine the time-domain location of the second time-frequency resource; and/or,
  • the frequency domain location of the first time-frequency resource is used to determine the frequency domain location of the second time-frequency resource.
  • the terminal device determines the time domain position of the second time-frequency resource based on the time domain position of the first time-frequency resource, and/or determines the frequency domain position of the second time-frequency resource based on the frequency domain position of the first time-frequency resource.
  • the time-domain location of the first time-frequency resource is used to determine the time-domain location of the second time-frequency resource, including:
  • the start and/or end positions of the time domain location of the first time-frequency resource are used to determine the start position of the time domain location of the second time-frequency resource, and/or the number of time domain units included in the first time-frequency resource is used to determine the number of time domain units included in the second time-frequency resource.
  • the terminal device determines the start position of the time domain position of the second time-frequency resource based on the start position and/or end position of the time domain position of the first time-frequency resource.
  • the start position of the time domain location of the second time-frequency resource is the same as the end position of the time domain location of the first time-frequency resource; or, the start position of the time domain location of the second time-frequency resource is the same as the start position of the time domain location of the first time-frequency resource.
  • the value of the offset value is preset or indicated by the indication information carried in the first downlink channel or signal.
  • the terminal device determines the number of time-domain units included in the second time-frequency resource based on the number of time-domain units included in the first time-frequency resource.
  • the second time-frequency resource includes the same number of time-domain units as the first time-frequency resource.
  • the number of symbols included in the second time-frequency resource is the same as the number of symbols included in the first time-frequency resource.
  • the frequency domain location of the first time-frequency resource is used to determine the frequency domain location of the second time-frequency resource, including:
  • the start and/or end positions of the frequency domain location of the first time-frequency resource are used to determine the start position of the frequency domain location of the second time-frequency resource, and/or the number of frequency domain units included in the first time-frequency resource is used to determine the number of frequency domain units included in the second time-frequency resource.
  • the terminal device determines the start position of the frequency domain position of the second time-frequency resource based on the start position and/or end position of the frequency domain position of the first time-frequency resource.
  • the starting position of the frequency domain location of the second time-frequency resource is the same as the ending position of the frequency domain location of the first time-frequency resource; or, the starting position of the frequency domain location of the second time-frequency resource is the same as the starting position of the frequency domain location of the first time-frequency resource.
  • the value of the offset value is preset or indicated by the indication information carried in the first downlink channel or signal.
  • the terminal device determines the number of frequency domain units included in the second time-frequency resource based on the number of frequency domain units included in the first time-frequency resource.
  • the second time-frequency resource includes the same number of frequency domain units as the first time-frequency resource.
  • the number of PRBs included in the second time-frequency resource is the same as the number of PRBs included in the first time-frequency resource.
  • the time-domain location of the second time-frequency resource includes a time-domain location that may be used for the second downlink channel or signal transmission.
  • the frequency-domain location of the second time-frequency resource includes a frequency-domain location that may be used for the second downlink channel or signal transmission.
  • the second downlink channel or signal may be transmitted on the second time-frequency resource, or it may not be transmitted on the second downlink channel or signal.
  • the time-domain location of the second time-frequency resource includes a time-domain location that may be used for downlink control channel transmission
  • the frequency-domain location of the second time-frequency resource includes a frequency-domain location that may be used for downlink control channel transmission.
  • the period of the second time-frequency resource includes the period of the downlink control channel transmission.
  • the second downlink channel or signal is PDCCH
  • the time domain position of the second time-frequency resource is the time domain position of the search space set used for transmitting PDCCH
  • the frequency domain position of the second time-frequency resource is the frequency domain position of the search space set used for transmitting PDCCH
  • the period of the second time-frequency resource is the period of the search space set used for transmitting PDCCH.
  • the time-domain location of the second time-frequency resource includes a time-domain location that may be used for downlink shared channel transmission
  • the frequency-domain location of the second time-frequency resource includes a frequency-domain location that may be used for downlink shared channel transmission.
  • the downlink shared channel is periodic
  • the period of the second time-frequency resource includes the period of the downlink shared channel transmission.
  • the second downlink channel or signal is PDSCH
  • the time domain position of the second time-frequency resource is the time domain position used for transmitting PDSCH
  • the frequency domain position of the second time-frequency resource is the frequency domain position used for transmitting PDSCH
  • the period of the second time-frequency resource is the period for transmitting PDSCH.
  • the first downlink channel or signal and the second downlink channel or signal have a QCL relationship.
  • the second downlink channel or signal is used to transmit paging messages, including one of the following:
  • the second downlink channel or signal is used to carry the first downlink control information (DCI), which is used to schedule the transmission of the paging message;
  • DCI downlink control information
  • the second downlink channel or signal is used to carry the second DCI, which is used to indicate whether the paging message has been received;
  • the second downlink channel or signal is used to carry the paging message.
  • the second downlink channel or signal used to transmit paging messages can include two scenarios:
  • the second downlink channel or signal includes a downlink control channel, and the second downlink channel or signal carries either a first DCI or a second DCI.
  • the first DCI is used to schedule the transmission of paging messages, for example, to schedule the downlink shared channel carrying the paging message.
  • the second DCI is used to indicate whether to receive a paging message; that is, the terminal device determines whether to listen to the first DCI based on the second DCI, and the first DCI is used to schedule the transmission of paging messages, for example, to schedule the downlink shared channel carrying the paging message.
  • the second downlink channel or signal includes a downlink shared channel, and the second downlink channel or signal carries a paging message.
  • the protocol predetermines which of the above scenarios the second downlink channel or signal is used for transmitting paging messages. For example, the protocol predetermines the second downlink channel or signal for transmitting paging messages in scenario one, or in other words, the second downlink channel or signal includes a downlink control channel. As another example, the protocol predetermines the second downlink channel or signal for transmitting paging messages in scenario two, or in other words, the second downlink channel or signal includes a downlink shared channel.
  • the choice of which of the above-described scenarios the second downlink channel or signal is used for transmitting paging messages is determined based on the first downlink channel or signal.
  • indication information carried in the first downlink channel or signal indicates whether the second downlink channel or signal is used for transmitting paging messages in scenario one or scenario two.
  • the first downlink channel or signal may correspond to different scrambling codes, such as scrambling code A and scrambling code B.
  • the first downlink channel or signal corresponds to scrambling code A, it indicates that the second downlink channel or signal is used for transmitting paging messages in scenario one; or, when the first downlink channel or signal corresponds to scrambling code B, it indicates that the second downlink channel or signal is used for transmitting paging messages in scenario two.
  • Scenario 1 The second downlink channel or signal is used to carry the first DCI or the second DCI.
  • the second downlink channel or signal is used to transmit paging messages, including:
  • the second downlink channel or signal is used to carry the first DCI, which is used to schedule the transmission of the paging message; or,
  • the second downlink channel or signal is used to carry the second DCI, which is used to indicate whether the paging message has been received.
  • the method further includes:
  • the terminal device listens to the second downlink channel or signal on the second time-frequency resource.
  • the use of a second downlink channel or signal to carry the first DCI or the second DCI is predetermined by the protocol.
  • the protocol may predetermine that the second downlink channel or signal is used to carry the first DCI, or the terminal device may determine that the second downlink channel or signal is used to carry the first DCI based on the protocol.
  • the protocol may predetermine that the second downlink channel or signal is used to carry the second DCI, or the terminal device may determine that the second downlink channel or signal is used to carry the second DCI based on the protocol.
  • the use of a second downlink channel or signal to carry a first DCI or a second DCI is determined based on the first downlink channel or signal.
  • the first downlink channel or signal may correspond to different scrambling codes, such as scrambling code C and scrambling code D.
  • scrambling code C When the first downlink channel or signal corresponds to scrambling code C, it indicates that the second downlink channel or signal is used to carry the first DCI; or, when the first downlink channel or signal corresponds to scrambling code D, it indicates that the second downlink channel or signal is used to carry the second DCI.
  • the use of a second downlink channel or signal to carry the first DCI or the second DCI is determined according to fifth indication information; or, the fifth indication information is used to indicate that the second downlink channel or signal is used to carry the first DCI or the second DCI.
  • the fifth indication information indicates a first preset value, it indicates that the second downlink channel or signal is used to carry the first DCI.
  • the fifth indication information indicates a second preset value, it indicates that the second downlink channel or signal is used to carry the second DCI.
  • the terminal device listens for the second downlink channel or signal on the second time-frequency resource to receive the first DCI or the second DCI. That is, upon receiving the first downlink channel or signal, the terminal device listens for the second downlink channel or signal on the second time-frequency resource.
  • the first downlink channel or signal when the second downlink channel or signal is used to carry the first DCI or the second DCI, the first downlink channel or signal is used to determine whether the terminal device is listening to the second downlink channel or signal on the second time-frequency resource. That is, upon receiving the first downlink channel or signal, the terminal device also needs to determine whether to listen to the second downlink channel or signal on the second time-frequency resource based on the first downlink channel or signal.
  • the protocol pre-sets a second downlink channel or signal to carry the first DCI.
  • the terminal device receives the first downlink channel or signal, it listens to the first DCI on the second time-frequency resource.
  • the protocol pre-sets a second downlink channel or signal to carry the first DCI.
  • the terminal device receives the first downlink channel or signal, it also needs to determine whether to listen to the first DCI on the second time-frequency resource based on the first downlink channel or signal.
  • the terminal device determines, based on the fifth indication information, that the second downlink channel or signal is used to carry the first DCI. Upon receiving the first downlink channel or signal, the terminal device also determines, based on the first downlink channel or signal, whether to monitor the second time-frequency resource. Listen to the first DCI.
  • the protocol pre-sets a second downlink channel or signal to carry the second DCI.
  • the terminal device receives the first downlink channel or signal, it listens for the second DCI on the second time-frequency resource.
  • the protocol pre-sets a second downlink channel or signal to carry the second DCI.
  • the terminal device receives the first downlink channel or signal, it also needs to determine whether to listen to the second DCI on the second time-frequency resource based on the first downlink channel or signal.
  • the terminal device determines the second downlink channel or signal to carry the second DCI based on the fifth indication information.
  • the terminal device listens for the second DCI on the second time-frequency resource.
  • the terminal device determines the second downlink channel or signal to carry the second DCI based on the fifth indication information. If the first downlink channel or signal is received, the terminal device also determines whether to listen to the second DCI on the second time-frequency resource based on the first downlink channel or signal.
  • the first downlink channel or signal carries fifth indication information
  • the fifth indication information is used to determine that the second downlink channel or signal is used to carry the first DCI, or the fifth indication information is used to determine that the second downlink channel or signal is used to carry the second DCI.
  • the terminal device can determine whether the second downlink channel or signal carries the first DCI or the second DCI based on the fifth indication information carried in the first downlink channel or signal.
  • the terminal device listens to the first DCI on the second time-frequency resource.
  • the terminal device listens to the second DCI on a second time-frequency resource. Further optionally, the terminal device determines whether to listen to the first DCI on a third time-frequency resource based on third indication information in the second DCI.
  • the terminal device listens to the second downlink channel or signal on the second time-frequency resource, including:
  • the terminal device monitors the second downlink channel or signal on the second time-frequency resource; and/or,
  • the terminal device will not monitor the second downlink channel or signal on the second time-frequency resource.
  • the first downlink channel or signal is used to determine whether to listen to the second downlink channel or signal.
  • the first downlink channel or signal is used to indicate whether the second downlink channel or signal exists, or whether it is necessary to receive the second downlink channel or signal.
  • determining to listen to the second downlink channel or signal based on the first downlink channel or signal can be understood as determining the existence of the second downlink channel or signal, or that it is necessary to receive the second downlink channel or signal; determining not to listen to the second downlink channel or signal based on the first downlink channel or signal can be understood as determining the absence of the second downlink channel or signal, or that it is not necessary to receive the second downlink channel or signal.
  • the first downlink channel or signal carries second indication information, which is used to indicate whether the second downlink channel or signal is being monitored.
  • whether the first downlink channel or signal carries second indication information is used to indicate whether the second downlink channel is being monitored.
  • first downlink channel or signal when the first downlink channel or signal carries the second indication information, it indicates that the second downlink channel or signal is being monitored; when the first downlink channel or signal does not carry the second indication information, it indicates that the second downlink channel or signal is not being monitored or that the second downlink channel or signal is not being monitored.
  • the first downlink channel or signal does not carry the second indication information, it indicates that the second downlink channel or signal is being monitored; if the first downlink channel or signal carries the second indication information, it indicates that the second downlink channel or signal is not being monitored or that the second downlink channel or signal is not being monitored.
  • the terminal device listens to the second downlink channel or signal on the second time-frequency resource, including one or more of the following:
  • the terminal device monitors the second downlink channel or signal on the second time-frequency resource
  • the terminal device will not monitor the second downlink channel or signal on the second time-frequency resource.
  • the terminal device listens to the second downlink channel or signal on the second time-frequency resource.
  • the terminal device listening to the second downlink channel or signal on the second time-frequency resource includes: when the second indication information is not carried in the first downlink channel or signal, the terminal device does not listen to the second downlink channel or signal on the second time-frequency resource.
  • the first downlink channel or signal corresponds to a first scrambling code information or a second scrambling code information, wherein the first scrambling code information is used to indicate monitoring the second downlink channel or signal, and the second scrambling code information is used to indicate not monitoring the second downlink channel or signal.
  • the first downlink channel or signal corresponds to the first scrambling information, indicating an indication to monitor the second downlink channel or signal.
  • the first downlink channel or signal corresponds to the second scrambling information, indicating that the second downlink channel or signal is not being monitored.
  • the terminal device listens to the second downlink channel or signal on the second time-frequency resource, including:
  • the terminal device listens to the second downlink channel or signal on the second time-frequency resource; and/or,
  • the terminal device When the first downlink channel or signal corresponds to the second scrambling information, the terminal device does not listen to the second downlink channel or signal on the second time-frequency resource.
  • the scrambling information corresponding to the first downlink channel or signal may be a scrambling code identifier or a sequence identifier used for the transmission of the first downlink channel or signal.
  • the indication to listen to the second downlink channel or signal includes: indicating to receive the paging message; and/or, the indication not to listen to the second downlink channel or signal or not indicating to listen to the second downlink channel or signal includes: indicating not to receive the paging message or not indicating to receive the paging message.
  • the instruction to monitor the second downlink channel or signal can be replaced by: an instruction to receive the paging message.
  • the instruction not to monitor the second downlink channel or signal can be replaced by: an instruction not to receive the paging message.
  • the instruction not to monitor the second downlink channel or signal can be replaced by: an instruction not to receive the paging message.
  • the time-frequency resources used to transmit the first DCI may be referred to as a paging opportunity (PO).
  • PO paging opportunity
  • the second time-frequency resource used to transmit the second downlink channel or signal can be called PO. Accordingly, the terminal device listening to the second downlink channel or signal on the second time-frequency resource can be replaced by: the terminal device listening to the first DCI on the PO.
  • the method further includes:
  • the terminal device When the terminal device receives the first DCI on the second time-frequency resource, it receives the paging message according to the scheduling of the first DCI.
  • the terminal device receives a first DCI on a second time-frequency resource, and the first DCI schedules the transmission of a first PDSCH, wherein the first PDSCH carries a paging message.
  • the terminal device receives the SSB, which includes first indication information, wherein the first indication information is used to indicate the time-domain and frequency-domain positions of the PO.
  • the terminal device detects the SSB and, after receiving the SSB, determines the position of the PO according to the first indication information in the SSB.
  • the PO is used to transmit the first DCI, and the first DCI is used to schedule the first PDSCH carrying a paging message.
  • the terminal device listens for the first DCI via the PO. If the terminal device receives the first DCI on the PO, it receives the first PDSCH according to the scheduling of the first DCI, and after receiving the first PDSCH, it determines whether the first PDSCH carries a paging message for the terminal device. If the terminal device does not detect the first DCI on the PO, then the terminal device does not need to receive the first PDSCH.
  • the SSB also includes second indication information, which indicates whether the terminal device needs to listen for the first DCI on the PO.
  • the terminal device determines whether to listen for the first DCI on the PO based on the second indication information.
  • the terminal device receives the first DCI on the PO and receives the first PDSCH according to the scheduling of the first DCI.
  • the terminal device determines whether the first PDSCH carries a paging message for the terminal device.
  • the second indication information indicates that the terminal device does not need to listen for the first DCI on the PO, as shown in Figure 7, the terminal device does not listen for the first DCI on the PO.
  • the second downlink channel or signal is used to determine whether to listen to the third downlink channel or signal.
  • the second downlink channel or signal is used to carry a second DCI, the second DCI including third indication information, the third indication information being used to indicate whether the paging message is received.
  • whether the second DCI carries third indication information is used to indicate whether a paging message is received.
  • the second downlink channel or signal when the second downlink channel or signal carries the third indication information, it indicates that the paging message is to be received; when the second downlink channel or signal does not carry the third indication information, it indicates that the paging message is not to be received or that the paging message is not to be received.
  • the second downlink channel or signal when the second downlink channel or signal does not carry third indication information, it indicates that a paging message has been received; when the second The downlink channel or signal carries third indication information, indicating that the paging message is not to be received or that the paging message is not to be received.
  • the method further includes one or more of the following:
  • the terminal device listens to the third downlink channel or signal on the third time-frequency resource.
  • the terminal device shall not listen to the third downlink channel or signal on the third time-frequency resource.
  • the terminal device listens to the third downlink channel or signal on the third time-frequency resource.
  • the terminal device will not listen to the third downlink channel or signal on the third time-frequency resource;
  • the third downlink channel or signal is used to carry the first DCI.
  • the first DCI is the first DCI in the aforementioned embodiment, that is, the first DCI is used to schedule the transmission of the paging message.
  • the terminal device if the second DCI is received on the second time-frequency resource and the second DCI does not include the third indication information, the terminal device does not listen to the third downlink channel or signal on the third time-frequency resource.
  • the second downlink channel or signal corresponds to a third scrambling code or a fourth scrambling code, wherein the third scrambling code is used to indicate monitoring the third downlink channel or signal, and the fourth scrambling code is used to indicate not monitoring the third downlink channel or signal.
  • the second downlink channel or signal corresponds to the third scrambling information, indicating an indication to monitor the third downlink channel or signal.
  • the second downlink channel or signal corresponds to the fourth scrambling information, indicating that the third downlink channel or signal is not being monitored.
  • the method further includes:
  • the terminal device listens for the third downlink channel or signal on the third time-frequency resource; and/or,
  • the terminal device When the second downlink channel or signal corresponds to the fourth scrambling code information, the terminal device does not listen to the third downlink channel or signal on the third time-frequency resource.
  • the scrambling information corresponding to the second downlink channel or signal may be a scrambling code identifier or sequence identifier used for the transmission of the second downlink channel or signal.
  • the second downlink channel or signal is used to determine whether to monitor the third downlink channel or signal, including: third indication information included in the second DCI is used to indicate whether to monitor the third downlink channel or signal; or, scrambling information corresponding to the second downlink channel or signal is used to determine whether to monitor the third downlink channel or signal.
  • the second downlink channel or signal is used to determine whether to listen to the third downlink channel or signal.
  • the second downlink channel or signal is used to indicate whether the third downlink channel or signal exists, or whether it is necessary to receive the third downlink channel or signal.
  • the second downlink channel or signal used to determine to listen to the third downlink channel or signal can be understood as the second downlink channel or signal indicating the existence of the third downlink channel or signal, or the need to receive the third downlink channel or signal;
  • the second downlink channel or signal used to determine not to listen to the third downlink channel or signal can be understood as the second downlink channel or signal indicating the absence of the third downlink channel or signal, or the need not to receive the third downlink channel or signal.
  • the time-frequency resources used for transmitting the second DCI may be referred to as the Paging Early Indication Occasion (PEI-O).
  • PEI-O Paging Early Indication Occasion
  • the second time-frequency resource may be referred to as PEI-O.
  • the third time-frequency resource may be referred to as PO.
  • the terminal device when it is determined that a third downlink channel or signal is to be monitored based on a second downlink channel or signal, the terminal device monitors the third downlink channel or signal on a third time-frequency resource, wherein the third downlink channel or signal is used to carry the first DCI.
  • the third time-frequency resource is determined based on fourth indication information, wherein the fourth indication information is carried in the first downlink channel or signal, or the fourth indication information is carried in the second downlink channel or signal.
  • the terminal device determines the third time-frequency resource based on the fourth indication information carried in the first downlink channel or signal.
  • the terminal device determines the third time-frequency resource based on the fourth indication information carried in the second downlink channel or signal.
  • the fourth indication information is used to indicate one or more of the following:
  • the third time-frequency resource includes the number of time-domain units
  • the number of frequency domain units included in the third time-frequency resource is the number of frequency domain units included in the third time-frequency resource.
  • the fourth indication information indicates the number of time-domain units included in the third time-frequency resource, which can be understood as the fourth indication information indicating the number of time-domain units included in the third time-frequency resource in the time domain.
  • the fourth indication information indicates the number of frequency domain units included in the third time-frequency resource, which can be understood as the fourth indication information indicating the number of frequency domain units included in the third time-frequency resource in the frequency domain.
  • the third time-frequency resource is determined based on the first time-frequency resource; or, the third time-frequency resource is determined based on the second time-frequency resource.
  • the terminal device determines the third time-frequency resource based on the first or second time-frequency resource.
  • the use of a first time-frequency resource or a second time-frequency resource to determine a third time-frequency resource can be understood as the first time-frequency resource or the second time-frequency resource being associated with a third time-frequency resource.
  • the association between the first time-frequency resource and the third time-frequency resource includes one of the following:
  • One first time-frequency resource is associated with one third time-frequency resource
  • one first time-frequency resource is associated with a second number of third time-frequency resources
  • a fourth number of first time-frequency resources are associated with one third time-frequency resource.
  • the association between the second time-frequency resource and the third time-frequency resource includes one of the following:
  • a second time-frequency resource is associated with a third time-frequency resource; a second time-frequency resource is associated with a second number of third time-frequency resources; and a fourth number of second time-frequency resources are associated with a third time-frequency resource.
  • the value of the third or fourth quantity is preset or indicated by the indication information carried in the first downlink channel or signal or the second downlink channel or signal.
  • the time-domain location of the third time-frequency resource is determined based on the time-domain location of the first time-frequency resource or the time-domain location of the second time-frequency resource; and/or,
  • the frequency domain position of the third time-frequency resource is determined based on the frequency domain position of the first time-frequency resource or the frequency domain position of the second time-frequency resource.
  • the terminal device determines the time domain position of the third time-frequency resource based on the time domain position of the first time-frequency resource or the time domain position of the second time-frequency resource, and/or determines the frequency domain position of the third time-frequency resource based on the frequency domain position of the first time-frequency resource or the frequency domain position of the second time-frequency resource.
  • the time-domain location of the third time-frequency resource is determined based on the time-domain location of the first time-frequency resource, including:
  • the terminal device determines the start position of the time domain position of the third time-frequency resource based on the start position and/or end position of the time domain position of the first time-frequency resource.
  • the start position of the time domain location of the third time-frequency resource is the same as the end position of the time domain location of the first time-frequency resource; or, the start position of the time domain location of the third time-frequency resource is the same as the start position of the time domain location of the first time-frequency resource.
  • the time-domain location of the third time-frequency resource is determined based on the time-domain location of the second time-frequency resource, including:
  • the starting position of the time domain location of the third time-frequency resource is determined based on the starting or ending position of the time domain location of the second time-frequency resource, and/or the number of time domain units included in the third time-frequency resource is determined based on the number of time domain units included in the second time-frequency resource.
  • the terminal device determines the start position of the time domain position of the third time-frequency resource based on the start position and/or end position of the time domain position of the second time-frequency resource.
  • the start position of the time domain location of the third time-frequency resource is the same as the end position of the time domain location of the second time-frequency resource;
  • the starting position of the time domain location of the third time-frequency resource is the same as the starting position of the time domain location of the second time-frequency resource.
  • the offset value is preset or indicated by the indication information carried in the first downlink channel or signal, or indicated by the indication information carried in the second downlink channel or signal.
  • the terminal device determines the number of time-domain units included in the third time-frequency resource based on the number of time-domain units included in the first time-frequency resource or the number of time-domain units included in the second time-frequency resource.
  • the third time-frequency resource includes the same number of time-domain units as the first time-frequency resource.
  • the third time-frequency resource includes the same number of time-domain units as the second time-frequency resource.
  • the frequency domain location of the third time-frequency resource is determined based on the frequency domain location of the first time-frequency resource or the frequency domain location of the second time-frequency resource, including:
  • the starting position of the frequency domain location of the third time-frequency resource is determined based on the starting or ending position of the frequency domain location of the first time-frequency resource, and/or the number of frequency domain units included in the third time-frequency resource is determined based on the number of frequency domain units included in the first time-frequency resource.
  • the terminal device determines the start position of the frequency domain position of the third time-frequency resource based on the start position and/or end position of the frequency domain position of the first time-frequency resource.
  • the starting position of the frequency domain location of the third time-frequency resource is the same as the ending position of the frequency domain location of the first time-frequency resource; or, the starting position of the frequency domain location of the third time-frequency resource is the same as the starting position of the frequency domain location of the first time-frequency resource.
  • the frequency domain location of the third time-frequency resource is determined based on the frequency domain location of the second time-frequency resource, including:
  • the starting position of the frequency domain location of the third time-frequency resource is determined based on the starting or ending position of the frequency domain location of the second time-frequency resource, and/or the number of frequency domain units included in the third time-frequency resource is determined based on the number of frequency domain units included in the second time-frequency resource.
  • the terminal device determines the start position of the frequency domain position of the third time-frequency resource based on the start position and/or end position of the frequency domain position of the second time-frequency resource.
  • the starting position of the frequency domain location of the third time-frequency resource is the same as the ending position of the frequency domain location of the second time-frequency resource; or, the starting position of the frequency domain location of the third time-frequency resource is the same as the starting position of the frequency domain location of the second time-frequency resource.
  • the offset value is preset or indicated by the indication information carried in the first downlink channel or signal, or indicated by the indication information carried in the second downlink channel or signal.
  • the terminal device determines the number of frequency domain units included in the third time-frequency resource based on the number of frequency domain units included in the first time-frequency resource or the number of frequency domain units included in the second time-frequency resource.
  • the third time-frequency resource includes the same number of frequency domain units as the first time-frequency resource.
  • the third time-frequency resource includes the same number of frequency domain units as the second time-frequency resource.
  • the time-domain location of the third time-frequency resource includes a time-domain location that may be used for a third downlink channel or signal transmission.
  • the frequency-domain location of the third time-frequency resource includes a frequency-domain location that may be used for a third downlink channel or signal transmission.
  • the third downlink channel or signal may be transmitted on the third time-frequency resource, or it may not be transmitted on the third downlink channel or signal.
  • the time-domain location of the third time-frequency resource includes a time-domain location that may be used for downlink control channel transmission
  • the frequency-domain location of the third time-frequency resource includes a frequency-domain location that may be used for downlink control channel transmission.
  • the period of the third time-frequency resource includes the period of the downlink control channel transmission.
  • the third downlink channel or signal is PDCCH
  • the time domain position of the third time-frequency resource is the time domain position of the search space set used for transmitting PDCCH
  • the frequency domain position of the third time-frequency resource is the frequency domain position of the search space set used for transmitting PDCCH
  • the period of the third time-frequency resource is the period of the search space set used for transmitting PDCCH.
  • the time-domain bits of the third time-frequency resource includes the time-domain location that may be used for downlink shared channel transmission
  • the frequency-domain location of the third time-frequency resource includes the frequency-domain location that may be used for downlink shared channel transmission.
  • the period of the third time-frequency resource includes the period of the downlink shared channel transmission.
  • the first downlink channel or signal and the third downlink channel or signal have a QCL relationship.
  • the second downlink channel or signal and the third downlink channel or signal have a QCL relationship.
  • the first downlink channel or signal, the second downlink channel or signal, and the third downlink channel or signal have a QCL relationship.
  • the method further includes:
  • the terminal device When the terminal device receives the first DCI on the third time-frequency resource, it receives the paging message according to the scheduling of the first DCI.
  • the terminal device listens for the third downlink channel or signal on the third time-frequency resource, and when it receives the third downlink channel or signal, it receives the paging message according to the scheduling of the first DCI carried by the third downlink channel or signal.
  • the terminal device listens for a second DCI on a second time-frequency resource, namely PEI-O.
  • the second DCI transmitted on PEI-O carries third indication information.
  • the terminal device determines whether to listen for a first DCI on a third time-frequency resource, namely PO, based on the third indication information. If the third indication information indicates that the terminal device listens for the first DCI on PO, the terminal device receives the first DCI transmitted on PO through listening to PO.
  • the first DCI is used to schedule a first PDSCH carrying a paging message.
  • the terminal device receives the SSB, which includes first indication information.
  • This first indication information indicates the time-domain and frequency-domain positions of the PEI-O.
  • the terminal device detects the SSB and, upon receiving it, determines the PEI-O based on the first indication information in the SSB.
  • the PEI-O is used to transmit the second DCI.
  • the terminal device listens for the second DCI on the PEI-O.
  • the terminal device may no longer need to receive the SSB, but can instead listen for the second DCI on the PEI-O.
  • the second DCI is used to indicate whether a paging message is received; for example, the second DCI carries third indication information, which indicates whether a paging message is received.
  • the terminal device listens for the first DCI on the PO and receives the first PDSCH according to the scheduling of the first DCI. After receiving the first PDSCH, it determines whether the first PDSCH carries a paging message for the terminal device. Alternatively, when the second DCI does not indicate that a paging message should be received, as shown in Figure 9, the terminal device does not listen for the first DCI on the PO.
  • the SSB includes fourth indication information, which is used to indicate the time-domain and frequency-domain locations of the PO.
  • the frequency domain location of PO is the same as that of PEI-O.
  • Scenario 2 The second downlink channel or signal is used to carry paging messages.
  • the second downlink channel or signal is used to transmit paging messages, including:
  • the second downlink channel or signal is used to carry paging messages.
  • the method further includes:
  • the terminal device receives the second downlink channel or signal on the second time-frequency resource.
  • the first downlink channel or signal carries sixth indication information, which is used to indicate whether the second downlink channel or signal is received.
  • receiving the second downlink channel or signal on the second time-frequency resource includes one or more of the following:
  • the terminal device receives the second downlink channel or signal on the second time-frequency resource
  • the terminal device will not receive the second downlink channel or signal on the second time-frequency resource;
  • receiving the second downlink channel or signal on the second time-frequency resource includes: if the sixth indication information is not carried in the first downlink channel or signal, the terminal device does not receive the second downlink channel or signal on the second time-frequency resource.
  • the first downlink channel or signal corresponds to a first scrambling code information or a second scrambling code information, wherein the first scrambling code information is used to indicate receiving the second downlink channel or signal, and the second scrambling code information is used to indicate not receiving the second downlink channel or signal.
  • receiving the second downlink channel or signal on the second time-frequency resource includes:
  • the terminal device When the first downlink channel or signal corresponds to the second scrambling information, the terminal device does not receive the second downlink channel or signal on the second time-frequency resource.
  • the following is an exemplary description of a scheme for using a second downlink channel or signal to carry paging messages.
  • the terminal device receives the SSB.
  • the SSB includes first indication information and sixth indication information.
  • the first indication information indicates the time-domain and frequency-domain positions of the second time-frequency resource
  • the sixth indication information indicates whether the terminal device needs to receive a paging message.
  • the terminal device detects the SSB and, upon receiving it, determines the second time-frequency resource based on the first indication information in the SSB.
  • This second time-frequency resource is used to transmit paging messages. Further, the terminal device determines whether to receive a paging message on this second time-frequency resource based on the sixth indication information in the SSB.
  • the terminal device receives the first PDSCH carrying the paging message through the second time-frequency resource; when the sixth indication information does not instruct the terminal device to receive a paging message on the second time-frequency resource, as shown in Figure 11, the terminal device does not receive a paging message on the second time-frequency resource.
  • the method further includes:
  • the terminal device After receiving the paging message, the terminal device sends a first uplink channel or signal on the fourth time-frequency resource.
  • the first uplink channel or signal is used to request the transmission of system messages of the first cell.
  • the system messages of the first cell may include uplink cell access configuration information.
  • the fourth time-frequency resource is determined based on uplink resource configuration information; wherein the uplink resource configuration information is carried in the paging message, or the uplink resource configuration information is carried in the first downlink channel or signal.
  • the fourth time-frequency resource may be preset by the protocol or determined based on the first DCI used for scheduling paging messages.
  • network devices do not periodically transmit system messages, including uplink cell access configuration information, within the network.
  • system messages including uplink cell access configuration information
  • the terminal device can initiate a request to the network device to transmit system messages through preset or network device-configured uplink resources.
  • the terminal device receives a first DCI on the PO and receives a first PDSCH according to the scheduling of the first DCI. After receiving the first PDSCH, the terminal device determines that the first PDSCH carries a paging message for the terminal device. Therefore, the terminal device sends a first uplink channel or signal on the fourth time-frequency resource.
  • the first uplink channel or signal is used to request the network device to transmit an SIB. After receiving the first uplink channel or signal, the network device can send an SIB to the terminal device.
  • the fourth time-frequency resource can also be referred to as an On-demand SIB (OD-SIB) resource.
  • OD-SIB On-demand SIB
  • the fourth time-frequency resource is determined based on uplink resource configuration information, which can be carried in the first downlink channel or signal, or in the first DCI, or in the first PDSCH.
  • the terminal device is in one of the following states: idle state, inactive state, and connected state.
  • the possible implementations of the second, third, and sixth instruction information are described below.
  • the second instruction information will be used as an example.
  • the possible implementations of the third or sixth instruction information can refer to the possible implementations of the second instruction information.
  • the second instruction information described below can be replaced with the third or sixth instruction information, and the function of the second instruction information can be replaced with the function of the third or sixth instruction information.
  • the second indication information includes one or more bits.
  • the value of the second indication information is used to indicate whether to listen to the second downlink channel or signal.
  • the second indication information includes 1 bit. When this bit indicates a preset value, such as 1, it indicates that the second downlink channel or signal is being monitored; when this bit indicates another preset value, such as 0, it indicates that the second downlink channel is not being monitored or that the second downlink channel or signal is not being monitored.
  • network devices can divide terminal devices into multiple groups during paging, with each terminal device belonging to one of the groups.
  • the terminal devices in other groups do not need to wake up to receive the page, thus saving power for the terminals.
  • the second indication information may include P bits, where P is a positive integer, and each of the P bits corresponds to a group.
  • paging packets may be grouped based on the terminal device identifier.
  • UE_ID 6G-S-TMSI mod C
  • 6G-S-TMSI represents the SIM card identifier of the terminal device
  • C is a preset value, such as C can be 1024, 2048 or 4096, etc.
  • paging packets may be assigned by network devices.
  • the terminal device obtains packet information directly from the network, which is used to indicate packets.
  • the value of P is preset or indicated by indication information carried in the first downlink channel or signal.
  • the second indication information may include P*Q bits, where P and Q are positive integers.
  • P and Q are positive integers.
  • Each of the P bits corresponds to a group, and each of the Q bits corresponding to each group corresponds to a subgroup within that group.
  • the concept of subgrouping is further introduced for each group in addition to the P groups.
  • paging subgroups may be grouped based on terminal device identifiers.
  • UE_ID 6G-S-TMSI mod C
  • 6G-S-TMSI represents the SIM card identifier of the terminal device
  • C is a preset value, such as C can be 1024, 2048 or 4096, etc.
  • paging subgroups may be assigned by a network device.
  • the terminal device obtains subgroup packet information directly from the network, and the subgroup packet information is used to indicate the subgroup.
  • the value of P is preset or indicated by indication information carried in the first downlink channel or signal; and/or, the value of Q is preset or indicated by indication information carried in the first downlink channel or signal.
  • the terminal device only needs to determine whether to listen to PO based on the indication of the bit corresponding to the group or subgroup to which the terminal device belongs in the second indication information, so as to achieve the purpose of saving terminal power.
  • the wireless communication method provided in this application embodiment, as shown in FIG13, is applied to a network device and includes:
  • the network device transmits a first downlink channel or signal on a first time-frequency resource in a first cell.
  • the first downlink channel or signal is used to determine a second time-frequency resource.
  • the second time-frequency resource is used to transmit a second downlink channel or signal.
  • the second downlink channel or signal is used to transmit a paging message.
  • the resources for transmitting the second downlink channel or signal can be determined based on the transmitted first downlink channel or signal.
  • the second downlink channel or signal is used to transmit paging messages.
  • the first downlink channel or signal includes a synchronization signal.
  • the first downlink channel or signal is used to carry one of the following: Master Message Block (MIB), First System Message Block (SIB), MIB, and First SIB.
  • MIB Master Message Block
  • SIB First System Message Block
  • MIB First SIB
  • MIB First SIB
  • the first downlink channel or signal is used to acquire one or more of the following: cell identifier, system time information, and downlink synchronization.
  • the network device configures paging-related configuration messages in the system message block associated with the synchronization signal, so that the terminal device in the idle state can obtain the paging-related configuration by detecting the synchronization signal during the initial access process, thereby meeting the needs of the terminal device in the idle state to stay in the cell; at the same time, the network device can also reduce the transmission of meaningless system messages, thereby achieving the purpose of network energy saving.
  • the first downlink channel or signal is used to determine the second time-frequency resource, including: the first downlink channel or signal carries first indication information, the first indication information being used to determine the second time-frequency resource.
  • the first indication information is used to indicate one or more of the following:
  • the number of time-domain units included in the second time-frequency resource is the number of time-domain units included in the second time-frequency resource
  • the second time-frequency resource includes the number of frequency domain units.
  • the first downlink channel or signal is used to determine the second time-frequency resource, including: the first time-frequency resource is used to determine the second time-frequency resource.
  • the first time-frequency resource is used to determine the second time-frequency resource, including:
  • the time-domain location of the first time-frequency resource is used to determine the time-domain location of the second time-frequency resource; and/or,
  • the frequency domain location of the first time-frequency resource is used to determine the frequency domain location of the second time-frequency resource.
  • the second downlink channel or signal is used to transmit paging messages, including:
  • the second downlink channel or signal is used to carry the first DCI, which is used to schedule the transmission of the paging message; or,
  • the second downlink channel or signal is used to carry the second DCI, which is used to indicate whether the paging message has been received.
  • the method further includes:
  • the network device transmits the second downlink channel or signal on the second time-frequency resource.
  • the first downlink channel or signal carries second indication information, which is used to indicate whether the second downlink channel or signal is being monitored.
  • transmitting the second downlink channel or signal on the second time-frequency resource includes one or more of the following:
  • the second downlink channel or signal is transmitted on the second time-frequency resource
  • the second indication information indicates that the second downlink channel or signal is not monitored, or if the second indication information does not indicate that the second downlink channel or signal is not monitored, the second downlink channel or signal shall not be transmitted on the second time-frequency resource;
  • the second downlink channel or signal is transmitted on the second time-frequency resource.
  • the first downlink channel or signal corresponds to a first scrambling code information or a second scrambling code information, wherein the first scrambling code information is used to indicate monitoring the second downlink channel or signal, and the second scrambling code information is used to indicate not monitoring the second downlink channel or signal.
  • transmitting the second downlink channel or signal on the second time-frequency resource includes:
  • the second downlink channel or signal is transmitted on the second time-frequency resource; and/or,
  • the second downlink channel or signal is not transmitted on the second time-frequency resource.
  • the indication to listen to the second downlink channel or signal includes: indicating to receive the paging message; and/or, the indication not to listen to the second downlink channel or signal or not indicating to listen to the second downlink channel or signal includes: indicating not to receive the paging message or not indicating to receive the paging message.
  • the method further includes:
  • the network device When the first DCI is carried on the second time-frequency resource, the network device sends the paging message according to the scheduling of the first DCI.
  • the second DCI includes third indication information, which is used to indicate whether the paging message is received.
  • the method further includes one or more of the following:
  • the network device transmits a third downlink channel or signal on the third time-frequency resource;
  • the network device shall not transmit the third downlink channel or signal on the third time-frequency resource.
  • the network device transmits the third downlink channel or signal on the third time-frequency resource.
  • the network device does not transmit the third downlink channel or signal on the third time-frequency resource
  • the third downlink channel or signal is used to carry the first DCI.
  • the third time-frequency resource is determined based on fourth indication information, wherein the fourth indication information is carried in the first downlink channel or signal, or the fourth indication information is carried in the second downlink channel or signal.
  • network devices do not periodically transmit uplink cell access configuration information within the network.
  • System messages when a terminal device is called by the network and needs to access the network, in this case, the terminal device can initiate a request to the network device to transmit system messages through preset or network device configured uplink resources.
  • the fourth indication information is used to indicate one or more of the following:
  • the third time-frequency resource includes the number of time-domain units
  • the number of frequency domain units included in the third time-frequency resource is the number of frequency domain units included in the third time-frequency resource.
  • the third time-frequency resource is determined based on the first time-frequency resource; or, the third time-frequency resource is determined based on the second time-frequency resource.
  • the time-domain location of the third time-frequency resource is determined based on the time-domain location of the first time-frequency resource or the time-domain location of the second time-frequency resource; and/or,
  • the frequency domain position of the third time-frequency resource is determined based on the frequency domain position of the first time-frequency resource or the frequency domain position of the second time-frequency resource.
  • the method further includes: when the network device transmits the first DCI on the third time-frequency resource, transmitting the paging message according to the scheduling of the first DCI.
  • the first downlink channel or signal carries fifth indication information
  • the fifth indication information is used to determine whether the second downlink channel or signal is used to carry the first DCI, or to determine whether the second downlink channel or signal is used to carry the second DCI.
  • the second downlink channel or signal is used to transmit paging messages, including: the second downlink channel or signal is used to carry paging messages.
  • the method further includes: the network device transmitting the second downlink channel or signal on the second time-frequency resource.
  • the first downlink channel or signal carries sixth indication information, which is used to indicate whether the second downlink channel or signal is received.
  • the network device transmits the second downlink channel or signal on the second time-frequency resource, including one or more of the following:
  • the network device transmits the second downlink channel or signal on the second time-frequency resource
  • the network device will not transmit the second downlink channel or signal on the second time-frequency resource;
  • the network device transmits the second downlink channel or signal on the second time-frequency resource.
  • the first downlink channel or signal corresponds to a first scrambling code information or a second scrambling code information, wherein the first scrambling code information is used to indicate receiving the second downlink channel or signal, and the second scrambling code information is used to indicate not receiving the second downlink channel or signal.
  • transmitting the second downlink channel or signal on the second time-frequency resource includes:
  • the second downlink channel or signal is transmitted on the second time-frequency resource; and/or,
  • the second downlink channel or signal is not transmitted on the second time-frequency resource.
  • the method further includes: after sending the paging message, the network device receives a first uplink channel or signal on a fourth time-frequency resource, the first uplink channel or signal being used to request the transmission of system messages of the first cell.
  • the fourth time-frequency resource is determined based on uplink resource configuration information; wherein the uplink resource configuration information is carried in the paging message, or the uplink resource configuration information is carried in the first downlink channel or signal.
  • the method further includes: when the network device receives the first uplink channel or signal on the fourth time-frequency resource, sending a system message of the first cell.
  • This application provides a wireless communication method, as shown in FIG14, applied to a wireless communication system including terminal devices and network devices, including:
  • the network device sends a first downlink channel or signal to the terminal device on the first time-frequency resource of the first cell, the first...
  • the downlink channel or signal is used to determine the second time-frequency resource
  • the second time-frequency resource is used to transmit the second downlink channel or signal
  • the second downlink channel or signal is used to transmit the paging message.
  • the description of the network device can be found in the description of the network device in the wireless communication method shown in Figure 13, and the description of the terminal device can be found in the description of the terminal device in the wireless communication method shown in Figure 4. They will not be repeated here.
  • the sequence number of each process does not imply the order of execution.
  • the execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of this application.
  • the terms “downlink,” “uplink,” and “sidelink” are used to indicate the transmission direction of signals or data. “Downlink” indicates that the transmission direction of signals or data is a first direction from the site to the user equipment in the cell; “uplink” indicates that the transmission direction of signals or data is a second direction from the user equipment in the cell to the site; and “sidelink” indicates that the transmission direction of signals or data is a third direction from user equipment 1 to user equipment 2.
  • downlink signal indicates that the transmission direction of the signal is the first direction.
  • the term “and/or” is merely a description of the association relationship between related objects, indicating that three relationships can exist. Specifically, A and/or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Furthermore, the character "/" in this document generally indicates that the preceding and following related objects have an "or" relationship.
  • Figure 15 is a schematic diagram of the structural composition of the terminal device provided in an embodiment of this application. As shown in Figure 15, the terminal device 1500 includes:
  • the first communication unit 1501 is configured to receive a first downlink channel or signal on a first time-frequency resource of a first cell.
  • the first downlink channel or signal is used to determine a second time-frequency resource.
  • the second time-frequency resource is used to transmit a second downlink channel or signal.
  • the second downlink channel or signal is used to transmit a paging message.
  • the first downlink channel or signal includes a synchronization signal.
  • the first downlink channel or signal is used to carry one of the following: Master Message Block (MIB), First System Message Block (SIB), MIB, and First SIB.
  • MIB Master Message Block
  • SIB First System Message Block
  • MIB First SIB
  • MIB First SIB
  • the first SIB includes the most basic system configuration information of the first cell; and/or, the first SIB includes paging configuration information of the first cell.
  • the first downlink channel or signal is used to acquire one or more of the following: cell identifier, system time information, and downlink synchronization.
  • the first downlink channel or signal is used to determine the second time-frequency resource, including: the first downlink channel or signal carries first indication information, the first indication information being used to determine the second time-frequency resource.
  • the first indication information is used to indicate one or more of the following:
  • the time-domain location of the second time-frequency resource The time-domain location of the second time-frequency resource; the frequency-domain location of the second time-frequency resource; the period of the second time-frequency resource; the offset of the second time-frequency resource relative to the first time-frequency resource; the number of time-domain units included in the second time-frequency resource; the number of frequency-domain units included in the second time-frequency resource.
  • the first downlink channel or signal is used to determine the second time-frequency resource, including: the first time-frequency resource is used to determine the second time-frequency resource.
  • the first time-frequency resource is used to determine the second time-frequency resource, including: the time-domain position of the first time-frequency resource is used to determine the time-domain position of the second time-frequency resource; and/or, the frequency-domain position of the first time-frequency resource is used to determine the frequency-domain position of the second time-frequency resource.
  • the second downlink channel or signal is used to transmit paging messages, including:
  • the second downlink channel or signal is used to carry a first downlink control information (DCI), which is used to schedule the transmission of the paging message; or, the second downlink channel or signal is used to carry a second DCI, which is used to indicate whether the paging message is received.
  • DCI downlink control information
  • the first communication unit 1501 is further configured to listen to the second downlink channel or signal on the second time-frequency resource.
  • the first downlink channel or signal carries second indication information, which is used to indicate whether the second downlink channel or signal is being monitored.
  • the step of listening to the second downlink channel or signal on the second time-frequency resource includes one or more of the following:
  • the second downlink channel or signal is monitored on the second time-frequency resource
  • the second indication information indicates that the second downlink channel or signal is not monitored, or if the second indication information does not indicate that the second downlink channel or signal is not monitored, then the second downlink channel or signal shall not be monitored on the second time-frequency resource.
  • the second downlink channel or signal is monitored on the second time-frequency resource.
  • the first downlink channel or signal corresponds to a first scrambling code information or a second scrambling code information, wherein the first scrambling code information is used to indicate monitoring the second downlink channel or signal, and the second scrambling code information is used to indicate not monitoring the second downlink channel or signal.
  • the step of listening to the second downlink channel or signal on the second time-frequency resource includes:
  • the second downlink channel or signal is monitored on the second time-frequency resource; and/or,
  • the second downlink channel or signal is not monitored on the second time-frequency resource.
  • the second downlink channel or signal is used to carry the first DCI.
  • the instruction to monitor the second downlink channel or signal includes: instructing to receive the paging message; and/or,
  • the indication of not listening to the second downlink channel or signal or not indicating listening to the second downlink channel or signal includes: indicating not receiving the paging message or not indicating receiving the paging message.
  • the first communication unit 1501 is further configured to receive the paging message according to the scheduling of the first DCI when the second downlink channel or signal is used to carry the first DCI and the first DCI is received on the second time-frequency resource.
  • the second DCI includes third indication information, which is used to indicate whether the paging message is received.
  • the first communication unit 1501 is further configured to include one or more of the following when the second downlink channel or signal is used to carry the second DCI:
  • the third downlink channel or signal is monitored on the third time-frequency resource.
  • the third downlink channel or signal shall not be monitored on the third time-frequency resource.
  • the third downlink channel or signal is monitored on the third time-frequency resource.
  • the third downlink channel or signal shall not be monitored on the third time-frequency resource
  • the third downlink channel or signal is used to carry the first DCI.
  • the third time-frequency resource is determined based on fourth indication information; wherein the fourth indication information is carried in the first downlink channel or signal, or the fourth indication information is carried in the second downlink channel or signal.
  • the fourth indication information is used to indicate one or more of the following:
  • the third time-frequency resource is determined based on the first time-frequency resource; or, the third time-frequency resource is determined based on the second time-frequency resource.
  • the time-domain position of the third time-frequency resource is determined based on the time-domain position of the first time-frequency resource or the time-domain position of the second time-frequency resource; and/or, the frequency-domain position of the third time-frequency resource is determined based on the frequency-domain position of the first time-frequency resource or the frequency-domain position of the second time-frequency resource.
  • the first communication unit 1501 is further configured to receive the paging message according to the scheduling of the first DCI when the first DCI is received on the third time-frequency resource.
  • the first downlink channel or signal carries fifth indication information
  • the second downlink channel or signal is used to transmit a paging message, including: the second downlink channel or signal is used to carry the paging message.
  • the first communication unit 1501 is further configured to receive the second downlink channel or signal on the second time-frequency resource.
  • receiving the second downlink channel or signal on the second time-frequency resource includes one or more of the following:
  • the sixth indication information is not carried in the first downlink channel or signal, the second downlink channel or signal is received on the second time-frequency resource.
  • receiving the second downlink channel or signal on the second time-frequency resource includes:
  • the second downlink channel or signal is received on the second time-frequency resource; and/or, when the first downlink channel or signal corresponds to the second scrambling information, the second downlink channel or signal is not received on the second time-frequency resource.
  • the first communication unit 1501 is further configured to, upon receiving the paging message, transmit a first uplink channel or signal on a fourth time-frequency resource, the first uplink channel or signal being used to request the transmission of system messages of the first cell.
  • the fourth time-frequency resource is determined based on uplink resource configuration information; wherein the uplink resource configuration information is carried in the paging message, or the uplink resource configuration information is carried in the first downlink channel or signal.
  • the terminal device is in one of the following states: idle state, inactive state, and connected state.
  • the first communication unit in the terminal device can be implemented by the receiver in the terminal device.
  • Figure 16 is a schematic diagram of the structure of a network device provided in an embodiment of this application. As shown in Figure 16, the network device 1600 includes:
  • the second communication unit 1501 is configured to transmit a first downlink channel or signal on a first time-frequency resource of a first cell.
  • the first downlink channel or signal is used to determine a second time-frequency resource.
  • the second time-frequency resource is used to transmit a second downlink channel or signal.
  • the second downlink channel or signal is used to transmit a paging message.
  • the first downlink channel or signal includes a synchronization signal.
  • the first downlink channel or signal is used to carry one of the following: Master Message Block (MIB), First System Message Block (SIB), MIB, and First SIB.
  • MIB Master Message Block
  • SIB First System Message Block
  • MIB First SIB
  • MIB First SIB
  • the first SIB includes the most basic system configuration information in the first cell; and/or, the first SIB includes paging configuration information in the first cell.
  • the first downlink channel or signal is used to acquire one or more of the following: cell identifier, system time information, and downlink synchronization.
  • the first downlink channel or signal is used to determine the second time-frequency resource, including: the first downlink channel or signal carries first indication information, the first indication information being used to determine the second time-frequency resource.
  • the first indication information is used to indicate one or more of the following:
  • the first downlink channel or signal is used to determine the second time-frequency resource, including: the first time-frequency resource is used to determine the second time-frequency resource.
  • the first time-frequency resource is used to determine the second time-frequency resource, including: the time-domain position of the first time-frequency resource is used to determine the time-domain position of the second time-frequency resource; and/or, the frequency-domain position of the first time-frequency resource is used to determine the frequency-domain position of the second time-frequency resource.
  • the second downlink channel or signal is used to transmit paging messages, including: the second downlink channel or signal
  • the signal is used to carry a first downlink control information (DCI), which is used to schedule the transmission of the paging message; or, the second downlink channel or signal is used to carry a second DCI, which is used to indicate whether the paging message is received.
  • DCI downlink control information
  • the second communication unit 1601 is further configured to transmit the second downlink channel or signal on the second time-frequency resource.
  • the first downlink channel or signal carries second indication information, which is used to indicate whether the second downlink channel or signal is being monitored.
  • transmitting the second downlink channel or signal on the second time-frequency resource includes one or more of the following:
  • the first downlink channel or signal corresponds to a first scrambling code information or a second scrambling code information, wherein the first scrambling code information is used to indicate monitoring the second downlink channel or signal, and the second scrambling code information is used to indicate not monitoring the second downlink channel or signal.
  • transmitting the second downlink channel or signal on the second time-frequency resource includes:
  • the instruction to monitor the second downlink channel or signal includes: instructing to receive the paging message; and/or, the instruction not to monitor the second downlink channel or signal or not to instruct to monitor the second downlink channel or signal includes: instructing not to receive the paging message or not to instruct to receive the paging message.
  • the second DCI includes third indication information, which is used to indicate whether the paging message is received.
  • the second downlink channel or signal is used to carry the second DCI
  • one or more of the following are also included:
  • a third downlink channel or signal is transmitted on the third time-frequency resource
  • the third downlink channel or signal is not transmitted on the third time-frequency resource.
  • the third downlink channel or signal is transmitted on the third time-frequency resource.
  • the third downlink channel or signal is not transmitted on the third time-frequency resource
  • the third downlink channel or signal is used to carry the first DCI.
  • the third time-frequency resource is determined based on fourth indication information, wherein the fourth indication information is carried in the first downlink channel or signal; or, the fourth indication information is carried in the second downlink channel or signal.
  • the fourth indication information is used to indicate one or more of the following:
  • the third time-frequency resource is determined based on the first time-frequency resource; or, the third time-frequency resource is determined based on the second time-frequency resource.
  • the time-domain location of the third time-frequency resource is determined based on the time-domain location of the first time-frequency resource or the time-domain location of the third time-frequency resource.
  • the time-domain position of the second time-frequency resource is determined; and/or, the frequency-domain position of the third time-frequency resource is determined based on the frequency-domain position of the first time-frequency resource or the frequency-domain position of the second time-frequency resource.
  • the second communication unit 1601 is further configured to send the paging message according to the scheduling of the first DCI when the first DCI is sent on the third time-frequency resource.
  • the first downlink channel or signal carries fifth indication information; the fifth indication information is used to determine that the second downlink channel or signal is used to carry the first DCI, or the fifth indication information is used to determine that the second downlink channel or signal is used to carry the second DCI.
  • the second downlink channel or signal is used to transmit a paging message, including: the second downlink channel or signal is used to carry the paging message.
  • the second communication unit 1601 is further configured to transmit the second downlink channel or signal on the second time-frequency resource.
  • the first downlink channel or signal carries sixth indication information, which is used to indicate whether the second downlink channel or signal is received.
  • transmitting the second downlink channel or signal on the second time-frequency resource includes one or more of the following:
  • the sixth indication information indicates that the second downlink channel or signal is received, the second downlink channel or signal is transmitted on the second time-frequency resource;
  • the sixth indication information indicates that the second downlink channel or signal is not received, or if the sixth indication information does not indicate that the second downlink channel or signal is not received, the second downlink channel or signal shall not be transmitted on the second time-frequency resource;
  • the second downlink channel or signal is transmitted on the second time-frequency resource.
  • the first downlink channel or signal corresponds to a first scrambling code information or a second scrambling code information, wherein the first scrambling code information is used to indicate receiving the second downlink channel or signal, and the second scrambling code information is used to indicate not receiving the second downlink channel or signal.
  • transmitting the second downlink channel or signal on the second time-frequency resource includes:
  • the second downlink channel or signal is transmitted on the second time-frequency resource; and/or,
  • the second downlink channel or signal is not transmitted on the second time-frequency resource.
  • the second communication unit 1601 is further configured to listen to a first uplink channel or signal on a fourth time-frequency resource after sending the paging message, the first uplink channel or signal being used to request the transmission of system messages of the first cell.
  • the fourth time-frequency resource is determined based on uplink resource configuration information, wherein the uplink resource configuration information is carried in the paging message; and/or,
  • the uplink resource configuration information is carried in the first downlink channel or signal.
  • the second communication unit 1601 is further configured to send a system message of the first cell when the first uplink channel or signal is received on the fourth time-frequency resource.
  • the second communication unit in the network device can be implemented by the receiver in the network device, and the second processing unit and the second determining unit in the network device can be implemented by the processor in the network device.
  • FIG 17 is a schematic structural diagram of a communication device 1700 provided in an embodiment of this application.
  • This communication device can be a terminal device or a network device.
  • the communication device 1700 shown in Figure 17 includes a processor 1710, which can call and run computer programs from memory to implement the methods in the embodiments of this application.
  • the communication device 1700 may further include a memory 1720.
  • the processor 1710 may retrieve and run computer programs from the memory 1720 to implement the methods described in the embodiments of this application.
  • the memory 1720 can be a separate device independent of the processor 1710, or it can be integrated into the processor 1710.
  • the communication device 1700 may further include a transceiver 1730, and the processor 1710 may control the transceiver 1730 to communicate with other devices. Specifically, it may send information or data to other devices or receive information or data sent by other devices.
  • the transceiver 1730 may include a transmitter and a receiver.
  • the transceiver 1730 may further include an antenna, and the number of antennas may be one or more.
  • the communication device 1700 may specifically be a network device in the embodiments of this application, and the communication device 1700 may implement the corresponding processes implemented by the network device in the various methods of the embodiments of this application. For the sake of brevity, it will not be described in detail here.
  • the communication device 1700 may specifically be a mobile terminal/terminal device in the embodiments of this application, and the communication device 1700 may implement the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of this application. For the sake of brevity, it will not be described in detail here.
  • Figure 18 is a schematic structural diagram of a chip according to an embodiment of this application.
  • the chip 1800 shown in Figure 18 includes a processor 1810, which can call and run computer programs from memory to implement the methods in the embodiments of this application.
  • chip 1800 may further include memory 1820.
  • Processor 1810 can call and run computer programs from memory 1820 to implement the methods in the embodiments of this application.
  • the memory 1820 can be a separate device independent of the processor 1810, or it can be integrated into the processor 1810.
  • the chip 1800 may also include an input interface 1830.
  • the processor 1810 can control the input interface 1830 to communicate with other devices or chips; specifically, it can acquire information or data sent by other devices or chips.
  • the chip 1800 may also include an output interface 1840.
  • the processor 1810 can control the output interface 1840 to communicate with other devices or chips, specifically, to output information or data to other devices or chips.
  • the chip can be applied to the network device in the embodiments of this application, and the chip can implement the corresponding processes implemented by the network device in the various methods of the embodiments of this application.
  • the chip can implement the corresponding processes implemented by the network device in the various methods of the embodiments of this application.
  • the chip can implement the corresponding processes implemented by the network device in the various methods of the embodiments of this application.
  • the chip can be applied to the mobile terminal/terminal device in the embodiments of this application, and the chip can implement the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of this application.
  • the chip can implement the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of this application.
  • the chip will not be described in detail here.
  • chip mentioned in the embodiments of this application may also be referred to as a system-on-a-chip, system chip, chip system, or system-on-a-chip, etc.
  • Figure 19 is a schematic block diagram of a communication system 1900 provided in an embodiment of this application. As shown in Figure 19, the communication system 1900 includes a terminal device 1910 and a network device 1920.
  • the terminal device 1910 can be used to implement the corresponding functions implemented by the terminal device in the above method
  • the network device 2020 can be used to implement the corresponding functions implemented by the network device in the above method. For the sake of brevity, these will not be elaborated here.
  • the processor in the embodiments of this application may be an integrated circuit chip with signal processing capabilities.
  • the steps of the above method embodiments can be completed by integrated logic circuits in the processor's hardware or by instructions in software form.
  • the processor described above may be a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or other programmable logic devices, discrete gate or transistor logic devices, or discrete hardware components. It can implement or execute the methods, steps, and logic block diagrams disclosed in the embodiments of this application.
  • the general-purpose processor may be a microprocessor or any conventional processor.
  • the steps of the methods disclosed in the embodiments of this application can be directly embodied in the execution of a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software modules may reside in random access memory, flash memory, read-only memory, programmable read-only memory, electrically erasable programmable memory, registers, or other mature storage media in the art.
  • the storage medium is located in the memory, and the processor reads the information in the memory and, in conjunction with its hardware, completes the steps of the above method.
  • the memory in the embodiments of this application can be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), or flash memory.
  • the volatile memory can be random access memory (RAM), which is used as an external cache.
  • RAM Direct Rambus RAM
  • SRAM Static Random Access Memory
  • DRAM Dynamic Random Access Memory
  • SDRAM Synchronous DRAM
  • DDR SDRAM Double Data Rate SDRAM
  • ESDRAM Enhanced Synchronous DRAM
  • SLDRAM Synchlink DRAM
  • DR RAM Direct Rambus RAM
  • the memory in the embodiments of this application may also be static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (SDRAM), double data rate synchronous dynamic random access memory (DDR SDRAM), enhanced synchronous dynamic random access memory (ESDRAM), synchronous link dynamic random access memory (SLDRAM), and direct memory bus RAM (DR RAM), etc.
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • SDRAM synchronous dynamic random access memory
  • DDR SDRAM double data rate synchronous dynamic random access memory
  • ESDRAM enhanced synchronous dynamic random access memory
  • SLDRAM synchronous link dynamic random access memory
  • DR RAM direct memory bus RAM
  • This application also provides a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium can be applied to the network device in the embodiments of this application, and the computer program causes the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of this application.
  • the computer program causes the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of this application.
  • the computer program causes the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of this application.
  • the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiments of this application, and the computer program causes the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of this application.
  • the computer program causes the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of this application.
  • the computer program causes the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of this application.
  • This application also provides a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device in the embodiments of this application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of this application.
  • the computer program instructions cause the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of this application.
  • the network device in the embodiments of this application.
  • the computer program product can be applied to the mobile terminal/terminal device in the embodiments of this application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of this application.
  • the computer program instructions cause the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of this application.
  • the computer program instructions cause the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of this application.
  • This application also provides a computer program.
  • the computer program can be applied to the network device in the embodiments of this application.
  • the computer program When the computer program is run on a computer, it causes the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of this application. For the sake of brevity, it will not be described in detail here.
  • the computer program can be applied to the mobile terminal/terminal device in the embodiments of this application.
  • the computer program When the computer program is run on a computer, it causes the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in the various methods of the embodiments of this application. For the sake of brevity, it will not be described in detail here.
  • the disclosed systems, apparatuses, and methods can be implemented in other ways.
  • the apparatus embodiments described above are merely illustrative; for instance, the division of units is only a logical functional division, and in actual implementation, there may be other division methods.
  • multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed.
  • the coupling or direct coupling or communication connection shown or discussed may be through some interfaces; the indirect coupling or communication connection between apparatuses or units may be electrical, mechanical, or other forms.
  • the units described as separate components may or may not be physically separate.
  • the components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.
  • the functional units in the various embodiments of this application can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit.
  • the aforementioned functions are implemented as software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium.
  • This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of this application.
  • the aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.

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

Abstract

Les modes de réalisation de la présente demande concernent un procédé de communication sans fil, un dispositif et un support de stockage. Le procédé consiste à : recevoir un premier canal ou signal de liaison descendante sur une première ressource temps-fréquence d'une première cellule, le premier canal ou signal de liaison descendante étant utilisé pour déterminer une seconde ressource temps-fréquence, la seconde ressource temps-fréquence étant utilisée pour transmettre un second canal ou signal de liaison descendante, et le second canal ou signal de liaison descendante étant utilisé pour transmettre un message de radiomessagerie.
PCT/CN2024/105579 2024-07-15 2024-07-15 Procédé de communication sans fil, dispositif et support de stockage Pending WO2026016010A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2024/105579 WO2026016010A1 (fr) 2024-07-15 2024-07-15 Procédé de communication sans fil, dispositif et support de stockage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2024/105579 WO2026016010A1 (fr) 2024-07-15 2024-07-15 Procédé de communication sans fil, dispositif et support de stockage

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022006879A1 (fr) * 2020-07-10 2022-01-13 Oppo广东移动通信有限公司 Procédé de transmission d'indication de radiomessagerie, dispositif électronique et support d'enregistrement
WO2022061605A1 (fr) * 2020-09-23 2022-03-31 Oppo广东移动通信有限公司 Procédé d'indication des ressources, dispositif électronique et support de stockage
WO2022094775A1 (fr) * 2020-11-03 2022-05-12 Oppo广东移动通信有限公司 Procédé de radiomessagerie, dispositif terminal et dispositif de réseau
WO2022141009A1 (fr) * 2020-12-29 2022-07-07 华为技术有限公司 Procédé et appareil d'envoi de message de radiorecherche

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022006879A1 (fr) * 2020-07-10 2022-01-13 Oppo广东移动通信有限公司 Procédé de transmission d'indication de radiomessagerie, dispositif électronique et support d'enregistrement
WO2022061605A1 (fr) * 2020-09-23 2022-03-31 Oppo广东移动通信有限公司 Procédé d'indication des ressources, dispositif électronique et support de stockage
WO2022094775A1 (fr) * 2020-11-03 2022-05-12 Oppo广东移动通信有限公司 Procédé de radiomessagerie, dispositif terminal et dispositif de réseau
WO2022141009A1 (fr) * 2020-12-29 2022-07-07 华为技术有限公司 Procédé et appareil d'envoi de message de radiorecherche

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