Wireless communication methods, terminal devices and network devices

Abstract

A wireless communication method, a terminal device, and a network device are provided. The method includes: the terminal device sending a first signaling message to a first network device, the first signaling message being used to trigger the first network device to send a first Service Buffer (SSB). This application embodiment introduces a first signaling message to trigger the network device to send an SSB, which helps to achieve on-demand transmission of SSBs, thereby contributing to network energy saving.

Description

Wireless communication method, terminal device, and network device Technical Field

[0001] The present application relates to the field of communication technology, and more specifically, to a wireless communication method, terminal equipment, and network equipment. Background Art

[0002] To support network energy saving (NES), related technologies have proposed on-demand transmission of synchronization signal blocks (SSBs). However, there is currently no clear solution for implementing on-demand transmission of SSBs.

[0003] Summary of the Invention

[0004] The present application provides a wireless communication method, a terminal device, and a network device. The following introduces various aspects of the present application.

[0005] In a first aspect, a wireless communication method is provided, including: a terminal device sends a first signaling to a first network device, wherein the first signaling is used to trigger the first network device to send a first SSB.

[0006] In a second aspect, a wireless communication method is provided, including: a first network device receives a first signaling sent by a terminal device, and the first signaling is used to trigger the first network device to send a first SSB.

[0007] According to a third aspect, a wireless communication method is provided, comprising: a second network device sends configuration information to a terminal device, wherein the configuration information is used to configure the terminal device to send a first signaling to a first network device, and the first signaling is used to trigger the first network device to send a first SSB.

[0008] In a fourth aspect, a terminal device is provided, comprising: a communication unit, configured to send a first signaling to a first network device, wherein the first signaling is configured to trigger the first network device to send a first SSB.

[0009] In a fifth aspect, a network device is provided, which is a first network device, and the network device includes: a communication unit for receiving a first signaling sent by a terminal device, and the first signaling is used to trigger the first network device to send a first SSB.

[0010] In the sixth aspect, a network device is provided, which is a second network device, and the network device includes: a communication unit for sending configuration information to a terminal device, the configuration information is used to configure the terminal device to send a first signaling to a first network device, and the first signaling is used to trigger the first network device to send a first SSB.

[0011] In the seventh aspect, a terminal device is provided, comprising a transceiver, a memory and a processor, wherein the memory is used to store programs, and the processor is used to call the programs in the memory and control the transceiver to receive or send signals so that the communication device executes the method described in the first aspect.

[0012] In an eighth aspect, a network device is provided, comprising a transceiver, a memory, and a processor, wherein the memory is used to store programs, and the processor is used to call the programs in the memory and control the transceiver to receive or send signals so that the communication device executes the method described in the second aspect or the third aspect.

[0013] In a ninth aspect, a device is provided, comprising a processor for calling a program from a memory so that the device executes a method as described in any one of the first to third aspects.

[0014] In a tenth aspect, a chip is provided, comprising a processor for calling a program from a memory so that a device equipped with the chip executes a method as described in any one of the first to third aspects.

[0015] In an eleventh aspect, a computer-readable storage medium is provided, on which a program is stored, wherein the program enables a computer to execute the method as described in any one of the first to third aspects.

[0016] In the twelfth aspect, a computer program product is provided, characterized in that it includes a program, and the program enables a computer to execute the method as described in any one of the first to third aspects.

[0017] In a thirteenth aspect, a computer program is provided, wherein the computer program enables a computer to execute the method as described in any one of the first to third aspects.

[0018] The embodiment of the present application introduces the first signaling that triggers the network device to send SSB, which helps to realize the on-demand sending of SSB, thereby helping to save energy in the network. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] FIG1 is a diagram illustrating an example of a system architecture of a wireless communication system to which an embodiment of the present application may be applied.

[0020] FIG2 is a flow chart of a wireless communication method provided in one embodiment of the present application.

[0021] FIG3 is a schematic flow chart of a wireless communication method provided in another embodiment of the present application.

[0022] FIG4 is a flow chart of a wireless communication method provided in yet another embodiment of the present application.

[0023] FIG5 is a flowchart of a wireless communication method provided in another embodiment of the present application.

[0024] FIG6 is a schematic diagram of the structure of a terminal device provided in an embodiment of the present application.

[0025] FIG7 is a schematic diagram of the structure of the first network device provided in an embodiment of the present application.

[0026] FIG8 is a schematic structural diagram of a second network device provided in an embodiment of the present application.

[0027] FIG9 is a schematic diagram of a device to which an embodiment of the present application can be applied. DETAILED DESCRIPTION

[0028] The technical solution in this application will be described below with reference to the accompanying drawings.

[0029] Wireless communication system

[0030] Figure 1 is a diagram illustrating an example of the system architecture of a wireless communication system 100 to which an embodiment of the present application may be applied. The wireless communication system 100 may include a network device 110 and a terminal device 120. The network device 110 may be a device that communicates with the terminal device 120. The network device 110 may provide network coverage for a specific geographical area and may communicate with the terminal device 120 located within the coverage area. The terminal device 120 may access a network (e.g., a wireless network) through the network device 110. Optionally, the wireless communication system 100 may also include other network entities such as a network controller and a mobility management entity, which is not limited in the embodiments of the present application.

[0031] It should be understood that the technical solutions of the embodiments of the present application can be applied to various communication systems, such as: fifth generation (5G) system or new radio (NR), long term evolution (LTE) system, LTE frequency division duplex (FDD) system, LTE time division duplex (TDD), etc. The technical solutions provided in this application can also be applied to future communication systems, such as the sixth generation mobile communication system, satellite communication system, etc.

[0032] The terminal device in the embodiments of the present application may also be referred to as user equipment (UE), access terminal, user unit, user station, mobile station, mobile station (MS), mobile terminal (MT), remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent, or user device. The terminal device in the embodiments of the present application may refer to a device that provides voice and / or data connectivity to a user and can be used to connect people, objects, and machines, such as a handheld device with wireless connection function, a vehicle-mounted device, etc. The terminal device in the embodiments of the present application can be a mobile phone, a tablet computer, a laptop computer, a PDA, a mobile internet device (MID), a wearable device, a virtual reality (VR) device, an augmented reality (AR) device, a wireless terminal in industrial control, a wireless terminal in self-driving, a wireless terminal in remote medical surgery, a wireless terminal in a smart grid, a wireless terminal in transportation safety, a wireless terminal in a smart city, a wireless terminal in a smart home, etc. Optionally, the terminal device can be used to act as a base station. For example, the terminal device can act as a scheduling entity that provides sidelink signals between terminal devices in vehicle to everything (V2X) or device to device (D2D). For example, a cellular phone and a car communicate with each other using sidelink signals. The cellular phone and smart home devices communicate without relaying the communication signal through a base station.

[0033] The network device in the embodiment of the present application may be a device for communicating with a terminal device. The network device may be, for example, an access network device or a wireless access network device. For example, the network device may be a base station. The base station may broadly cover the following various names, or be replaced with the following names: NodeB, evolved NodeB (eNB), next generation NodeB (gNB), relay station, access point, transmission point (TRP), transmitting point (TP), home base station, network controller, access node, wireless node, access point (AP), transmission node, transceiver node, base band unit (BBU), remote radio unit (RRU), active antenna unit (AAU), remote radio head (RRH), central unit (CU), distributed unit (DU), positioning node, etc. The base station may be a macro base station, a micro base station, a relay node, a donor node or the like, or a combination thereof.

[0034] Application scenarios of communication systems

[0035] Currently, the main application scenarios of communication systems (e.g., 5G) can include enhanced mobile broadband (eMBB), ultra reliable low latency communication (URLLC), and massive machine type communication (mMTC).

[0036] Demand for eMBB, which can be applied to scenarios such as users accessing multimedia content, services, and data, is growing rapidly. Furthermore, eMBB can be deployed in diverse environments, such as indoors, in urban areas, and in rural areas. The capabilities and requirements for eMBB vary significantly in these environments.

[0037] URLLC can be applied to scenarios such as industrial automation, power automation, remote medical operations (surgery), and traffic safety. Typical features of mMTC include high connection density, small data volumes, latency-insensitive services, low module cost, and long service life.

[0038] Radio resource control (RRC) state and mobility management

[0039] Currently, the protocol defines three RRC states of terminal devices: RRC connected (RRC_connected) state, RRC idle (RRC-idle) state and RRC inactive (RRC-inactive) state.

[0040] The RRC connection state may refer to the state in which the terminal device is in when the RRC release is not performed after the random access process is completed. An RRC connection exists between the terminal device and a network device (e.g., an access network device). In the RRC connection state, the terminal device can transmit data with the network device, such as downlink data transmission and / or uplink data transmission. Alternatively, the terminal device can also transmit terminal device-specific data channels and / or control channels with the network device to transmit specific information or unicast information of the terminal device.

[0041] In the RRC connected state, the network device can determine the cell-level location information of the terminal device, that is, the network device can determine the cell to which the terminal device belongs. In the RRC connected state, after the terminal device moves, such as from one cell to another, the network device can control the terminal device to perform cell handover. Therefore, it can be seen that the mobility management of the terminal device in the RRC connected state may include cell handover. In addition, the mobility management of the terminal device in the RRC connected state can be controlled by the network device. Accordingly, the terminal device can switch to a designated cell according to the instructions issued by the network device.

[0042] The RRC idle state refers to the state of the terminal device when it is resident in a cell but is not performing random access. The terminal device usually enters the RRC idle state after being powered on or after RRC is released. In the RRC idle state, there is no RRC connection between the terminal device and the network device (such as the resident network device), the network device does not store the context of the terminal device, and no connection is established between the network device and the core network for the terminal device. If the terminal device needs to enter the RRC connected state from the RRC idle state, it is necessary to initiate the RRC connection establishment process.

[0043] In the RRC idle state, the core network (CN) can send a paging message to the terminal device, that is, the paging process can be triggered by the CN. Optionally, the paging area can also be configured by the CN. In some cases, for a terminal device in the RRC idle state, when the terminal device moves (for example, from one cell to another), the terminal device can initiate a cell reselection process. In other cases, for a terminal device in the RRC idle state, when the terminal device needs to access a cell, the terminal device can initiate a cell selection process. That is, the mobility management of the terminal device in the RRC idle state may include cell reselection and / or cell selection.

[0044] The RRC inactive state is defined to reduce air interface signaling, quickly restore wireless connections, and quickly resume data services. The RRC inactive state is a state between the connected and idle states. A terminal device previously entered the RRC connected state and then released the RRC connection with the network device, but the network device retained the terminal device's context. Furthermore, the connection established between the network device and the core network for the terminal device is not released. This means that the user plane and control plane bearers between the RAN and CN are still maintained, indicating a CN-NR connection.

[0045] In the RRC inactive state, the RAN can send a paging message to the terminal device, that is, the paging process can be triggered by the RAN. The RAN-based paging area is managed by the RAN, and the network equipment can know the location of the terminal device based on the RAN paging area level.

[0046] In some cases, for a terminal device in an RRC inactive state, when the terminal device moves (for example, from one cell to another), the terminal device may initiate a cell reselection process. In other cases, for a terminal device in an RRC inactive state, when the terminal device needs to access a cell, the terminal device may initiate a cell selection process. In other words, the mobility management of a terminal device in an RRC inactive state may include cell reselection and / or cell selection.

[0047] 5G network energy-saving project

[0048] Energy consumption has become a significant component of operators' operating costs. According to a report by the Global System for Mobile Communications Association (GSMA), mobile network energy costs account for approximately 23% of operators' total costs. Most of this energy consumption comes from radio access networks, particularly active antenna units (AAUs), while data centers and fiber optic transmission contribute only a smaller share.

[0049] There are two types of energy consumption:

[0050] Dynamic part: such as energy consumption during data transmission / reception;

[0051] Static part: such as the energy consumption required to maintain the operation of the wireless access device (even if there is no continuous data transmission / reception).

[0052] The project should not only evaluate the potential network energy consumption, but also evaluate and balance the impact on network and user performance. For example, the project should not have a particularly large impact on some key performance indicators (KPIs). The KPIs mentioned here include spectrum efficiency, capacity, user perceived throughput (UPT), latency, terminal device power consumption, complexity, switching performance, call drop rate, initial access performance, etc. Possible research directions for this project include defining processes and signaling methods for terminal devices that are in a connected state and configured with carrier aggregation (CA, including same-frequency / inter-frequency CA) to support on-demand SSB secondary cell (SCell) operation.

[0053] SSB-less cells

[0054] In the related art, the secondary cell may not send SSB, but the premise is that this cell is co-located with the special cell (sPcell) or other secondary cells of the same frequency. If the terminal device has been synchronized with another cell, and the cell is co-located with the SSB-less cell, the terminal device can communicate on the SSB-less cell. Assuming that cell A and cell B (secondary cell) are co-located, and cell B is an SSB-less cell, the terminal device can obtain SSB from cell A for communication on cell B, and cell B never needs to send SSB. In release 18 (R18), the network energy saving project extends the above solution from the same frequency scenario to the different frequency scenario, that is, the SSB-less cell can obtain SSB through other cells in the different frequency bands.

[0055] In R19, SSB-less cells can be used as independent non-collocated cells. However, if the SSB-less cell is not co-located with other cells, the terminal device cannot obtain SSB from other cells. In this case, the SSB-less cell needs to send SSB by itself. However, for the purpose of network energy saving, SSB should not be sent all the time, but should be sent on demand. How this sending mechanism should be designed is a problem that needs to be solved in the embodiments of this application.

[0056] To address the above issues, the present invention proposes that the terminal device sends a trigger signal (first signaling) to the network device to trigger the network device to send SSB. With the help of the terminal device, the network device can understand the necessity of SSB transmission and thus send SSB on demand.

[0057] The following is a detailed introduction to the embodiment of the present application in conjunction with Figure 2.

[0058] FIG2 is a flow chart of a wireless communication method according to an embodiment of the present application. Referring to FIG2 , in step S210 , a terminal device sends a first signaling to a first network device. The first signaling is used to trigger the first network device to send a first SSB.

[0059] In some implementations, the embodiments of the present application can be applied to carrier aggregation scenarios. The first network device can be understood as a network device where the secondary cell of the terminal device is located. Therefore, the terminal device sending the first signaling to the first network device can include: the terminal device sending the first signaling to the secondary cell.

[0060] The first signaling may also be referred to as a trigger signal or trigger signaling. In some implementations, the first signaling may be carried in an uplink wake-up signal (UL-WUS). Alternatively, in some implementations, the first signaling may be replaced with a reference signal, and the sequence of the reference signal may be used to indicate or trigger the first network device to send the first SSB.

[0061] The terminal device may trigger the first signaling according to its own needs. For example, if the terminal device wants to communicate with the first network device but does not receive the SSB of the first network device, the terminal device may actively send the first signaling to the first network.

[0062] Alternatively, in some implementations, the first signaling may be triggered under certain conditions. For example, the first signaling may be triggered based on the second signaling.

[0063] The second signaling may be an existing signaling. The advantage of using the existing signaling is that there is no need to design a new trigger signaling, thereby reducing implementation complexity.

[0064] For example, the second signaling may be a secondary cell activation signaling. Exemplarily, the second signaling may be a medium access control element (MAC CE).

[0065] For another example, the second signaling may be signaling for performing layer 1 measurement on the first network device.

[0066] For another example, the second signaling may be signaling for performing layer 3 measurement on the first network device.

[0067] For another example, the second signaling may be signaling for performing layer 1 measurement on the frequency where the first network device is located.

[0068] For another example, the second signaling may be signaling for performing layer 3 measurement on the frequency where the first network device is located.

[0069] The second signaling may also be new signaling. For example, the second signaling may be downlink control information (DCI), MAC CE, or RRC signaling. The advantage of designing a new trigger signaling is that the terminal device can trigger the first network device to send the SSB in advance, without having to wait until the activation signaling of the first network device is sent or the measurement operation of the first network device is performed before triggering the SSB of the first network device, thereby reducing latency.

[0070] In addition to triggering the transmission of the first signaling based on the second signaling, in some implementations, the transmission of the first signaling can also be triggered based on a reference signal. For example, the reference signal can include a special sequence, and the transmission of the first signaling can be triggered based on this special sequence. Triggering the first signaling based on the reference signal can reduce signaling overhead in the communication system.

[0071] The sending of the first signaling mentioned above can be configured through configuration information. The configuration information can be configured by the second network device. For example, referring to step S310 in Figure 3, the terminal device receives the configuration information sent by the second network device. The configuration information is used to configure the terminal device to send the first signaling to the first network device. It should be understood that step S310 in Figure 3 can be performed before step S210 in Figure 2. Alternatively, the embodiment shown in Figure 3 can be implemented separately and does not necessarily need to be combined with the embodiment shown in Figure 2. For example, after receiving the configuration information, the terminal device does not necessarily have to perform step S210.

[0072] It should be noted that the embodiments of the present application do not specifically limit the forms of the first network device (or the first network) and the second network device (or the second network). For example, the first network device and the second network device can both be distributed units (DU), and the two DUs can be connected through a centralized unit (CU). For another example, the first network device and the second network device can both be "DU+CU". In this case, the first network device and the second network device can be directly connected, or they can be connected through another network element (such as an access and mobility management funcation (AMF)).

[0073] In some implementations, the first network device and the second network device may correspond to a first carrier set and a second carrier set, respectively. The first carrier set may include at least one carrier. The second carrier set may include at least one carrier. The first carrier set and the second carrier set may include different carriers.

[0074] In some implementations, the first network device may also be referred to as a first cell. The first cell may be, for example, a secondary cell.

[0075] In some implementations, the first network device may also be referred to as a first base station. The first base station may be, for example, a secondary base station.

[0076] In some implementations, the second network device may also be referred to as a second cell. The second cell may be, for example, a primary cell.

[0077] In some implementations, the second network device may also be referred to as a second base station. The second base station may be, for example, a master base station.

[0078] The configuration information sent by the second network device to the terminal device may be configuration information that was previously transmitted between the first network device and the second network device. Alternatively, the configuration information may be configuration information that was previously transmitted between the first network device, the third network device, and the second network device. For example, the second network device may receive the configuration information from the first network device. In another example, the second network device may send the configuration information to the first network device.

[0079] The content of the configuration information is described in detail below. It should be understood that the configuration information may include one or more of the first information to the fourth information mentioned below.

[0080] In some implementations, the configuration information may include first information. The first information may be used to indicate the frequency at which the first network device is located. The first information may also be referred to as frequency-related information of the first network device. The first information may, for example, include one or more of the point-A frequency position, frequency offset, and bandwidth of the first network device. Since the first network device does not transmit SSB, the terminal device may not know at which frequency to transmit the first signaling, or at which frequency to search for the SSB signal transmitted by the first network device. Therefore, introducing the first information into the configuration information facilitates the transmission of the first signaling.

[0081] In some implementations, the configuration information may include second information. The second information can be used to indicate the resources of the first signaling. Since the terminal device needs to send the first signaling to the first network device, the resources of the first signaling can be configured for the terminal device. The resources of the first signaling can be understood as the resources of the first network device used to carry the first signaling. The resources of the first signaling may include one or more of the following: time-frequency resources, preamble resources, and sequence resources. Since the SSB of the first network device is sent in different directions, the terminal device may only need to activate the SSB in one or a limited number of directions. In order to select the SSB direction, a correspondence between the resources of the first signaling and the SSB direction can be established. The second information mentioned above can be used to indicate this correspondence.

[0082] In some implementations, the configuration information may include third information. The third information is used to indicate the time offset between the first network device and the second network device. Therefore, the third information may also be referred to as time offset information of the first network device and the second network device. The third information may include one or more of the following: a deviation of the system frame number (SFN) between the first network device and the second network device, a deviation of the time slot between the first network device and the second network device, and a deviation of the symbol between the first network device and the second network device. Alternatively, the third information may indicate the time domain resource location of the first signaling determined based on the timing of the second network device (or with reference to the timing of the second network device). Since the terminal device may not have the timing information of the first network device, by configuring the third information, the terminal device can determine the sending time of the first signaling according to the timing of the second network device.

[0083] In some implementations, the configuration information may include fourth information. The fourth information is used to indicate the resource selection method for the first signaling. Therefore, the fourth information can also be referred to as resource selection information for the first signaling. As mentioned above, the SSB of the first network device is sent in different directions, so the terminal device may only need to activate SSB transmission in one or a limited number of directions. In order to select the SSB transmission direction, the first network device can establish a correspondence between the resources of the first signaling and the SSB direction. At this time, the fourth information can be used to configure how to select appropriate resources from the resources corresponding to each SSB direction to send the first signaling.

[0084] Furthermore, in some implementations, the fourth information is used to indicate a second resource selection method. The second resource selection method selects the resources of the first signaling (such as the time-frequency resources, preamble resources and / or sequence resources of the first signaling) based on the measurement value of the second target signal sent by the second network device. The second target signal mentioned here may include SSB and / or channel state information reference signal (CSI-RS). The measurement value mentioned here may be, for example, one or more of Reference Signal Receiving Power (RSRP), Reference Signal Received Quality (RSRQ), Signal to Interference Plus Noise Ratio (SINR), etc. Before the first network device sends the SSB, the terminal device may not be able to measure the signal quality of the first network device, so the terminal device can first select appropriate resources based on the SSB and / or CSI-RS status of the second network device.

[0085] The second resource selection method can select the resources of the first signaling based on one or more of the following: the signal with the highest measured value in the second target signal, the measured value of the second target signal, and the threshold of the measured value. For example, the terminal device can select the resources of the first signaling based on the SSB (or CSI-RS) with the highest measured value under the second network device (for example, the resources corresponding to the SSB with the highest measured value in the resources configured by the second information are determined as the resources of the first signaling). For another example, the terminal device can select the resources of the first signaling based on the SSB (or CSI-RS) with a measured value higher than a threshold under the second network device (for example, the resources corresponding to the first SSB with a measured value higher than a threshold in the resources configured by the second information are determined as the resources of the first signaling).

[0086] Alternatively, in some implementations, the fourth information is used to indicate a first resource selection method. The first resource selection method selects the resources of the first signaling (such as the time-frequency resources, preamble resources and / or sequence resources of the first signaling) based on the measured value of the first target signal sent by the first network device. The first target signal mentioned here may include SSB and / or CSI-RS. The measured value mentioned here may be, for example, one or more of RSRP, RSRQ, SINR, etc. The first resource selection method can be applicable to the case where the terminal device has arrived at the first network device and activated the SSB in one or more directions of the first network device. Assuming that the terminal device wants to leave the direction corresponding to the activated SSB (such as the signal quality in the direction corresponding to the activated SSB is poor), at this time, the terminal device may want to activate other SSB directions of the first network device. In this case, the terminal device has obtained the timing of the first network device, so it can select the resources of the first signaling based on the signal quality in the activated SSB direction as a reference, so that the resources of the first signaling determined in this way may be more accurate.

[0087] The first resource selection method may select resources for the first signaling based on the measured value of the first target signal and a threshold of the measured value. For example, the terminal device may select resources for the first signaling based on the first target signal having a measured value less than or equal to Threshold 1. For another example, the terminal device may select resources for the first signaling based on signals in the first target signal having a measured value less than or equal to Threshold 1 and signals having a measured value greater than or equal to Threshold 2.

[0088] After the terminal device sends the first signaling, the first network device may send the first SSB, or may fail to send the first SSB due to an abnormal situation (such as failure to receive the first signaling). In order to handle this abnormal situation, the embodiment of the present application introduces a first timer for the terminal device. The first timer can be configured by the network device, for example.

[0089] In some implementations, the first timer may be started based on sending the first signaling.

[0090] In some implementations, the first timer can be stopped based on the terminal device receiving the first SSB.

[0091] After the first timer expires, in some implementations, the terminal device may send a first indication message to the second network device. The first indication message is used to indicate that the first SSB activation was successful. Thus, the introduction of the first timer helps the second network device understand whether the first network device has successfully sent the SSB.

[0092] If the first timer times out, it may indicate that the abnormal situation mentioned above has occurred. In this case, the terminal device performs one or more of the following operations: sending a second indication message to the second network device, the second indication message is used to indicate that the activation of the first SSB has failed, deactivating the first network device, and releasing the configuration information for performing layer 1 / layer 3 measurements on the first network device or the frequency where the first network device is located. The introduction of the timeout processing mechanism of the first timer helps the second network device to understand the failure of the SSB transmission of the first network device, and avoids the terminal device from activating the relevant configuration of the first network device when the SSB transmission of the second network device fails. The terminal device can determine the second indication message to send to the second network device based on the LCP process. For example, in the LCP process, if the uplink resource is the uplink resource corresponding to the second network device or the frequency of the second network device, the terminal device includes the first indication message in the MAC PDU.

[0093] In some implementations, the terminal device may start the secondary cell deactivation timer (scell deactivation timer) upon receiving the first SSB, thereby avoiding frequent activation / deactivation of the first network device caused by premature start of the cell deactivation timer.

[0094] The foregoing describes in detail the process of sending the first signaling. In some cases, the terminal device may want the first network device to stop sending one or more SSBs (that is, to deactivate the one or more SSBs). An embodiment of the present application also provides a mechanism for triggering the first network device to stop sending SSBs. It should be understood that triggering the first network device to stop sending SSBs and the triggering the first network device to send SSBs described above can be combined embodiments, or they can be implemented independently of each other. In other words, the embodiment described later can be an independent embodiment, and does not require the embodiment described above as a prerequisite. The following is a detailed introduction to the mechanism for triggering the first network device to stop sending SSBs.

[0095] In some implementations, the terminal device sends a third signaling (which may be called a bye message) to the first network device. The third signaling is used to trigger the first network device to stop sending one or more SSBs.

[0096] In some other implementations, the terminal device transmits a reference signal to the first network device. The reference signal is used to trigger the first network device to stop transmitting one or more SSBs. For example, the reference signal can be designed using a special sequence, based on which the first network device can be triggered to stop transmitting one or more SSBs.

[0097] The third signaling or reference signal mentioned above can be triggered based on certain conditions. The condition can be, for example, receiving the fourth signaling or receiving another reference signal. If the fourth signaling is used for triggering, the fourth signaling can be sent by the first network device or the second network device.

[0098] In some implementations, the fourth signaling may be an existing signaling. The advantage of using an existing signaling is that there is no need to design a new signaling, thereby simplifying the implementation.

[0099] For example, the fourth signaling is a secondary cell deactivation signaling, which may be a MAC CE (ie, Scell ​​deactivation mac-ce).

[0100] For another example, the fourth signaling is a signaling for canceling the layer 1 measurement of the first network device.

[0101] For another example, the fourth signaling is a signaling for canceling the layer 3 measurement of the first network device.

[0102] For another example, the fourth signaling is a signaling for canceling the layer 1 measurement of the frequency where the first network device is located.

[0103] For another example, the fourth signaling is a signaling for canceling the layer 3 measurement of the frequency where the first network device is located.

[0104] In other implementations, the fourth signaling may be new signaling. For example, the fourth signaling may be DCI, MAC CE, or RRC signaling. The advantage of designing a new trigger signaling is that the terminal device does not need to wait for the triggering conditions of the existing signaling to be met before triggering the transmission of the third signaling, thereby reducing latency.

[0105] In addition to triggering the third signaling or reference signal based on signaling (used to trigger the first network device to stop sending one or more SSBs), the third signaling or reference signal can also be triggered based on the measurement value of the first target signal sent by the first network device. The first target signal mentioned here may include SSB and / or CSI-RS. The measurement value mentioned here can be, for example, one or more of RSRP, RSRQ, SINR, etc.

[0106] Since the terminal device has reached the first network device, obtained the timing of the first network device, and one or more SSBs of the first network device are active, the terminal device can trigger third signaling or a reference signal based on the signal quality of the first network device. For example, the third signaling can be triggered when one or more of the following conditions are met: the measured value of the first target signal is less than or equal to a first threshold; or the measured value of the first target signal is greater than or equal to a second threshold.

[0107] The following describes in detail the content and / or carrying method of the third signaling.

[0108] In some implementations, the third signaling may be uplink control information (UCI), MAC CE, or RRC signaling. If the third signaling is MAC CE or RRC signaling, the terminal device may determine that the third signaling is sent to the first network device based on a logical channel prioritization (LCP) process. For example, in the LCP process, if the uplink resource is the first network device or an uplink resource corresponding to the frequency of the first network device, the terminal device includes the third signaling in a MAC protocol data unit (PDU) to ensure that the third signaling is sent only to the first network device.

[0109] Alternatively, the third signaling may also include the fifth information (or the third signaling may be replaced by the fifth information). The fifth information is used to indicate the timing duration of the secondary cell deactivation timer (scell deactivation timer). For example, when the terminal device observes that the first network device has an SSB sent and the terminal device is configured with a secondary cell deactivation timer, it may send the timing duration of the secondary cell deactivation timer (SCell deactivation timer length) to the first network device. The first network device may determine whether to stop sending the SSB based on the timing duration of the secondary cell deactivation timer. For example, if the first network device determines that the terminal device has not transmitted data for a period of time exceeding the timing duration of the secondary cell deactivation timer, it may stop sending the SSB. From the perspective of the terminal device, by sending the fifth information (used to indicate the timing duration of the secondary cell deactivation timer), the first network device is indirectly triggered to stop sending the SSB.

[0110] The third signaling may be a simple trigger signaling or may indicate a deactivated SSB. The third signaling may explicitly indicate the deactivated SSB (e.g., including the index of one or more SSBs). The deactivated SSB may also be implicitly indicated. For example, the third signaling is carried by one or more SSB-associated resources (which may include one or more of time-frequency resources, preambles, or sequences), thereby indirectly indicating to the first network device that the one or more SSBs are deactivated.

[0111] In some implementations, the mechanism for stopping SSB transmission may also include the terminal device stopping or resetting the first timer mentioned above and / or the terminal device stopping the transmission of the first signaling to cancel the ongoing action of activating SSB.

[0112] It should be noted that in the embodiments of the present application, under the premise of no conflict, the signaling mentioned above can also be called signal or information.

[0113] The following describes the embodiments of the present application in more detail with reference to specific examples. In the examples below, network device 1 corresponds to the second network device in the foregoing text, and network device 2 corresponds to the first network device in the foregoing text. It should be noted that the examples of Figures 4 to 5 are merely intended to help those skilled in the art understand the embodiments of the present application, and are not intended to limit the embodiments of the present application to the specific numerical values ​​or specific scenarios illustrated. Those skilled in the art can obviously make various equivalent modifications or changes based on the examples of Figures 4 to 5 given, and such modifications or changes also fall within the scope of the embodiments of the present application.

[0114] 4 , in step S410, network device 1 sends configuration information to terminal device 2. The configuration information is used to configure the terminal device to send an uplink wake-up signal to network device 2. The details of the configuration information are described above and will not be described in detail here.

[0115] In step S420, the terminal device triggers an uplink wake-up signal. For example, the terminal device may trigger the uplink wake-up signal based on secondary cell activation signaling or signaling for performing layer 1 / layer 3 measurements on network device 2 or the frequency of network device 2. Of course, the terminal device may also trigger the uplink wake-up signal based on a newly designed trigger signaling.

[0116] In step S430 , the terminal device sends an uplink wake-up signal to the network device 2 .

[0117] In step S440, the terminal device starts a first timer to handle the abnormal situation. The description of the first timer can be found in the above text and will not be described in detail here.

[0118] Referring to Figure 5, in step S510, the terminal device triggers SSB deactivation. For example, the terminal device may trigger SSB deactivation based on secondary cell deactivation signaling or signaling to cancel layer 1 / layer 3 measurement of network device 2 or the frequency of network device 2. Of course, the terminal device may also trigger SSB deactivation based on newly designed trigger signaling.

[0119] In step S520, the terminal device deactivates SSB. For example, the terminal device may stop the first timer mentioned above. In another example, the terminal device may stop sending the uplink wake-up signal.

[0120] In step S530, the terminal device sends a bye message to the network device 2. After receiving the bye message, the network device 2 may stop sending one or more SSBs.

[0121] The method embodiment of the present application is described in detail above in conjunction with Figures 1 to 5 . The device embodiment of the present application is described in detail below in conjunction with Figures 6 to 9 . It should be understood that the description of the method embodiment corresponds to the description of the device embodiment. Therefore, for parts not described in detail, reference can be made to the above method embodiment.

[0122] FIG6 is a schematic diagram of the structure of a terminal device provided in an embodiment of the present application. The terminal device 600 shown in FIG6 may include a communication unit 610. The communication unit 610 is configured to send a first signaling to a first network device. The first signaling is configured to trigger the first network device to send a first SSB.

[0123] In some implementations, the first signaling is triggered based on second signaling or a first reference signal.

[0124] In some implementations, the second signaling includes one or more of the following:

[0125] Secondary cell activation signaling;

[0126] Signaling for performing layer 1 / layer 3 measurement on the first network device or the frequency at which the first network device is located.

[0127] In some implementations, the second signaling is DCI, MAC CE, or RRC signaling.

[0128] In some implementations, the first signaling is carried in a wake-up signal.

[0129] In some implementations, the communication unit 610 is further configured to:

[0130] Before the terminal device sends the first signaling to the first network device, the terminal device receives configuration information sent by the second network device, where the configuration information is used to configure the terminal device to send the first signaling to the first network device.

[0131] In some implementations, the configuration information includes one or more of the following:

[0132] First information, used to indicate the frequency of the first network device;

[0133] second information, used to indicate resources of the first signaling;

[0134] third information, used to indicate a time offset between the first network device and the second network device;

[0135] The fourth information is used to indicate the resource selection method of the first signaling.

[0136] In some implementations, the resources of the first signaling include one or more of time-frequency resources, preamble codes, and sequences.

[0137] In some implementations, the third information includes one or more of the following:

[0138] a deviation in system frame numbers between the first network device and the second network device;

[0139] a time slot deviation between the first network device and the second network device;

[0140] a deviation of the symbols of the first network device and the second network device;

[0141] A time domain resource location of the first signaling is determined based on the timing of the second network device.

[0142] In some implementations, the fourth information is used to indicate a first resource selection method, which selects the resource of the first signaling based on a measurement value of a first target signal sent by the first network device, and the first target signal includes SSB and / or CSI-RS.

[0143] In some implementations, the first resource selection method selects the resource of the first signaling based on a measurement value of the first target signal and a threshold of the measurement value.

[0144] In some implementations, the fourth information is used to indicate a second resource selection method, and the second resource selection method selects the resources of the first signaling based on the measurement value of the second target signal sent by the second network device, and the second target signal includes SSB and / or CSI-RS.

[0145] In some implementations, the second resource selection method selects the resource for the first signaling based on one or more of the following:

[0146] the signal with the highest measured value among the second target signals;

[0147] A measurement value of the second target signal and a threshold of the measurement value.

[0148] In some implementations, the terminal device 600 further includes: a start-stop unit, configured to: start a first timer in response to sending the first signaling; and / or stop the first timer in response to receiving the first SSB.

[0149] In some implementations, the communication unit 610 is further configured to:

[0150] If the first timer stops, the terminal device sends a first indication message to the second network device, where the first indication message is used to indicate that the first SSB is activated successfully.

[0151] In some implementations, the terminal device 600 further includes:

[0152] Execution unit, used to:

[0153] If the first timer times out, perform one or more of the following operations:

[0154] Sending second indication information to the second network device, where the second indication information is used to indicate that the first SSB activation failed;

[0155] deactivating the first network device;

[0156] Release configuration information for performing layer 1 / layer 3 measurement on the first network device or the frequency where the first network device is located.

[0157] In some implementations, the terminal device determines to send the second indication information to the second network device based on a logical channel prioritization (LCP) process.

[0158] In some implementations, the terminal device further includes:

[0159] The first processing unit is configured to include the second indication information into a media access control protocol data unit MAC PDU if the uplink resource is the second network device or an uplink resource corresponding to the frequency of the second network device during the LCP process.

[0160] In some implementations, the terminal device 600 further includes:

[0161] A starting unit is used to start the secondary cell deactivation timer when the first SSB is received.

[0162] In some implementations, the communication unit 610 is further configured to:

[0163] Send a third signaling or a second reference signal to the first network device, where the third signaling or the second reference signal is used to trigger the first network device to stop sending one or more SSBs.

[0164] In some implementations, the third signaling or the second reference signal is triggered based on a fourth signaling or a third reference signal.

[0165] In some implementations, the fourth signaling is one of the following:

[0166] Secondary cell deactivation signaling;

[0167] Cancel the signaling of the layer 1 / layer 3 measurement of the first network device or the frequency where the first network device is located.

[0168] In some implementations, the fourth signaling is DCI, MAC CE, or RRC signaling.

[0169] In some implementations, the fourth signaling is sent by the first network device or the second network device.

[0170] In some implementations, the third signaling or the second reference signal is triggered based on a measurement value of a first target signal sent by the first network device, where the first target signal includes an SSB and / or a CSI-RS.

[0171] In some implementations, the third signaling is triggered when one or more of the following conditions are met:

[0172] The measured value of the first target signal is less than or equal to a first threshold;

[0173] The measured value of the first target signal is greater than or equal to a second threshold.

[0174] In some implementations, the third signaling is uplink control information UCI, MAC CE or RRC signaling.

[0175] In some implementations, the third signaling is MAC CE or RRC signaling, and the terminal device determines to send the third signaling to the first network device based on the LCP process.

[0176] In some implementations, the terminal device 600 further includes:

[0177] The second processing unit is configured to include the third signaling into a media access control protocol data unit MAC PDU if the uplink resource is the first network device or an uplink resource corresponding to the frequency of the first network device during the LCP process.

[0178] In some implementations, the third signaling includes fifth information, where the fifth information is used to indicate a timing duration of a secondary cell deactivation timer.

[0179] In some implementations, the third signaling includes an index of the one or more SSBs.

[0180] In some implementations, the third signaling is carried by resources associated with the one or more SSBs.

[0181] In some implementations, the one or more SSB-associated resources include one or more of time-frequency resources, preambles, or sequences.

[0182] In some implementations, the method further includes: an execution unit configured to perform one or more of the following operations:

[0183] stopping or resetting a first timer, the first timer being associated with activation of an SSB of the first network device;

[0184] Stop sending the first signaling.

[0185] FIG7 is a schematic diagram of the structure of a network device provided in an embodiment of the present application. The network device 700 shown in FIG7 may be the first network device mentioned above. The network device 700 may include a communication unit 710. The communication unit 710 is configured to receive a first signaling sent by a terminal device, the first signaling being configured to trigger the first network device to send a first SSB.

[0186] In some implementations, the first signaling is triggered based on second signaling or a first reference signal.

[0187] In some implementations, the second signaling includes one or more of the following:

[0188] Secondary cell activation signaling;

[0189] Signaling for performing layer 1 / layer 3 measurement on the first network device or the frequency at which the first network device is located.

[0190] In some implementations, the second signaling is DCI, MAC CE, or RRC signaling.

[0191] In some implementations, the first signaling is carried in a wake-up signal.

[0192] In some implementations, the communication unit 710 is further configured to:

[0193] Sending configuration information to the second network device; or,

[0194] receiving configuration information sent by the second network device;

[0195] The configuration information is used to configure the terminal device to send the first signaling to the first network device.

[0196] In some implementations, the configuration information includes one or more of the following:

[0197] First information, used to indicate the frequency of the first network device;

[0198] second information, used to indicate resources of the first signaling;

[0199] third information, used to indicate a time offset between the first network device and the second network device;

[0200] The fourth information is used to indicate the resource selection method of the first signaling.

[0201] In some implementations, the resources of the first signaling include one or more of time-frequency resources, preamble codes, and sequences.

[0202] In some implementations, the third information includes one or more of the following:

[0203] a deviation in system frame numbers between the first network device and the second network device;

[0204] a time slot deviation between the first network device and the second network device;

[0205] a deviation of the symbols of the first network device and the second network device;

[0206] A time domain resource location of the first signaling is determined based on the timing of the second network device.

[0207] In some implementations, the fourth information is used to indicate a first resource selection method, which selects the resource of the first signaling based on a measurement value of a first target signal sent by the first network device, and the first target signal includes SSB and / or CSI-RS.

[0208] In some implementations, the first resource selection method selects the resource of the first signaling based on a measurement value of the first target signal and a threshold of the measurement value.

[0209] In some implementations, the fourth information is used to indicate a second resource selection method, and the second resource selection method selects the resources of the first signaling based on the measurement value of the second target signal sent by the second network device, and the second target signal includes SSB and / or CSI-RS.

[0210] In some implementations, the second resource selection method selects the resource for the first signaling based on one or more of the following:

[0211] the signal with the highest measured value among the second target signals;

[0212] A measurement value of the second target signal and a threshold of the measurement value.

[0213] In some implementations, the communication unit 710 is further configured to:

[0214] Receive a third signaling or a second reference signal sent by the terminal device, where the third signaling or the second reference signal is used to trigger the first network device to stop sending one or more SSBs.

[0215] In some implementations, the third signaling or the second reference signal is triggered based on a fourth signaling or a third reference signal.

[0216] In some implementations, the fourth signaling is one of the following:

[0217] Secondary cell deactivation signaling;

[0218] Cancel the signaling of the layer 1 / layer 3 measurement of the first network device or the frequency where the first network device is located.

[0219] In some implementations, the fourth signaling is DCI, MAC CE, or RRC signaling.

[0220] In some implementations, the fourth signaling is sent by the first network device or the second network device.

[0221] In some implementations, the third signaling or the second reference signal is triggered based on a measurement value of a first target signal sent by the first network device, where the first target signal includes an SSB and / or a channel state information reference signal CSI-RS.

[0222] In some implementations, the third signaling is UCI, MAC CE or RRC signaling.

[0223] In some implementations, the third signaling includes fifth information, where the fifth information is used to indicate a timing duration of a secondary cell deactivation timer.

[0224] In some implementations, the communication unit 710 is further configured to:

[0225] If the secondary cell deactivation timer expires, the sending of the one or more SSBs is stopped.

[0226] In some implementations, the third signaling includes an index of the one or more SSBs;

[0227] In some implementations, the third signaling is carried by resources associated with the one or more SSBs.

[0228] In some implementations, the one or more SSB-associated resources include one or more of time-frequency resources, preambles, or sequences.

[0229] Figure 8 is a schematic diagram of the structure of a network device provided in an embodiment of the present application. The network device 800 shown in Figure 8 may be the second network device mentioned above. The network device 800 may include a communication unit 810. The communication unit 810 is configured to send configuration information to a terminal device, wherein the configuration information is configured to configure the terminal device to send a first signaling to a first network device, wherein the first signaling is configured to trigger the first network device to send a first SSB.

[0230] In some implementations, the configuration information includes one or more of the following:

[0231] First information, used to indicate the frequency of the first network device;

[0232] second information, used to indicate resources of the first signaling;

[0233] third information, used to indicate a time offset between the first network device and the second network device;

[0234] The fourth information is used to indicate the resource selection method of the first signaling.

[0235] In some implementations, the resources of the first signaling include one or more of time-frequency resources, preamble codes, and sequences.

[0236] In some implementations, the third information includes one or more of the following:

[0237] a deviation in system frame numbers between the first network device and the second network device;

[0238] a time slot deviation between the first network device and the second network device;

[0239] a deviation of the symbols of the first network device and the second network device;

[0240] A time domain resource location of the first signaling is determined based on the timing of the second network device.

[0241] In some implementations, the fourth information is used to indicate a first resource selection method, which selects the resource of the first signaling based on a measurement value of a first target signal sent by the first network device, and the first target signal includes SSB and / or CSI-RS.

[0242] In some implementations, the first resource selection method selects the resource of the first signaling based on a measurement value of the first target signal and a threshold of the measurement value.

[0243] In some implementations, the fourth information is used to indicate a second resource selection method, and the second resource selection method selects the resources of the first signaling based on the measurement value of the second target signal sent by the second network device, and the second target signal includes SSB and / or CSI-RS.

[0244] In some implementations, the second resource selection method selects the resource for the first signaling based on one or more of the following:

[0245] the signal with the highest measured value among the second target signals;

[0246] A measurement value of the second target signal and a threshold of the measurement value.

[0247] In some implementations, the first signaling is carried in a wake-up signal.

[0248] In some implementations, the communication unit 810 is further configured to:

[0249] Sending the configuration information to the second network device; or,

[0250] Receive the configuration information sent by the second network device.

[0251] In some implementations, the communication unit 810 is further configured to:

[0252] Receive the first indication information or the second indication information sent by the terminal device, the first indication information is used to indicate that the first SSB activation is successful, and the second indication information is used to indicate that the first SSB activation fails.

[0253] In some implementations, the communication unit 810 is further configured to:

[0254] Send a fourth signaling to the terminal device, where the fourth signaling is used to trigger the terminal device to send a third signaling or a second reference signal, and the third signaling or the second reference signal is used to trigger the first network device to stop sending one or more SSBs.

[0255] Figure 9 is a schematic block diagram of a communication device to which embodiments of the present application may be applied. Dashed lines in Figure 9 indicate that the unit or module is optional. Device 900 may be used to implement the method described in the above method embodiment. Device 900 may be a chip, a terminal device, or a network device.

[0256] The device 900 may include one or more processors 910. The processor 910 may support the device 900 to implement the method described in the method embodiment above. The processor 910 may be a general-purpose processor or a special-purpose processor. For example, the processor may be a central processing unit (CPU). Alternatively, the processor may be another general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, etc. The general-purpose processor may be a microprocessor or the processor may be any conventional processor, etc.

[0257] The apparatus 900 may further include one or more memories 920. The memories 920 store programs that can be executed by the processor 910, causing the processor 910 to perform the methods described in the above method embodiments. The memories 920 may be independent of the processor 910 or integrated into the processor 910.

[0258] The apparatus 900 may further include a transceiver 930. The processor 910 may communicate with other devices or chips via the transceiver 930. For example, the processor 910 may transmit and receive data with other devices or chips via the transceiver 930.

[0259] The present application also provides a computer-readable storage medium for storing a program. The computer-readable storage medium can be applied to the terminal device, the first network device, or the second network device provided in the present application, and the program causes a computer to execute the method performed by the terminal device, the first network device, or the second network device in each embodiment of the present application.

[0260] The present application also provides a computer program product. The computer program product includes a program. The computer program product can be applied to the terminal device, the first network device, or the second network device provided in the embodiments of the present application, and the program causes a computer to execute the methods performed by the terminal device, the first network device, or the second network device in various embodiments of the present application.

[0261] The present application also provides a computer program. The computer program can be applied to the terminal device, the first network device, or the second network device provided in the embodiments of the present application, and the computer program causes a computer to execute the method performed by the terminal device, the first network device, or the second network device in each embodiment of the present application.

[0262] It should be understood that the terms "system" and "network" in this application can be used interchangeably. In addition, the terms used in this application are only used to explain the specific embodiments of this application and are not intended to limit this application. The terms "first", "second", "third", and "fourth" in the specification and claims of this application and the accompanying drawings are used to distinguish different objects rather than to describe a specific order. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.

[0263] In the embodiments of this application, the term "indication" may refer to a direct indication, an indirect indication, or an indication of an association. For example, "A indicates B" may refer to a direct indication of B, e.g., B can obtain information through A; it may refer to an indirect indication of B, e.g., A indicates C, e.g., B can obtain information through C; or it may refer to an association between A and B.

[0264] In the embodiment of the present application, "B corresponding to A" means that B is associated with A and B can be determined based on A. However, it should be understood that determining B based on A does not mean determining B based solely on A, but B can also be determined based on A and / or other information.

[0265] In the embodiments of the present application, the term "corresponding" may indicate a direct or indirect correspondence between the two, or an association relationship between the two, or a relationship between indication and indication, configuration and configuration, etc.

[0266] In the embodiments of the present application, "pre-definition" or "pre-configuration" may be implemented by pre-storing corresponding codes, tables, or other methods that can be used to indicate relevant information in a device (e.g., a terminal device and a network device). The present application does not limit the specific implementation method. For example, pre-definition may refer to information defined in a protocol.

[0267] In the embodiments of the present application, the “protocol” may refer to a standard protocol in the communications field, for example, it may include an LTE protocol, an NR protocol, and related protocols used in future communication systems, and the present application does not limit this.

[0268] In the embodiments of this application, the term "and / or" is simply a description of the association relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this document generally indicates that the related objects are in an "or" relationship.

[0269] In various embodiments of the present application, the size of the serial numbers of the above-mentioned processes does not mean 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 the present application.

[0270] In the several embodiments provided in this application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. For example, the device embodiments described above are merely schematic. For example, the division of the units is merely a logical function division. In actual implementation, there may be other division methods, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.

[0271] The units described as separate components may or may not be physically separate, and 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 these units may be selected to achieve the purpose of this embodiment according to actual needs.

[0272] In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

[0273] In the above embodiments, it can be implemented in whole or in part by software, hardware, firmware or any combination thereof. When implemented using software, it can be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the process or function described in the embodiment of the present application is generated in whole or in part. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions can be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, the computer instructions can be transmitted from one website, computer, server or data center to another website, computer, server or data center via a wired (e.g., coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) method. The computer-readable storage medium can be any available medium that can be read by a computer or a data storage device such as a server or data center that includes one or more available media integrated therein. The available medium may be a magnetic medium (eg, a floppy disk, a hard disk, a magnetic tape), an optical medium (eg, a digital versatile disc (DVD)), or a semiconductor medium (eg, a solid state disk (SSD)).

[0274] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this application should be included in the scope of protection of this application. Therefore, the scope of protection of this application should be based on the scope of protection of the claims.

Claims

1. A wireless communication method, characterized in that, Including: The terminal device sends a first signaling to a first network device, and the first signaling is used to trigger the first network device to send a first synchronization signal block (SSB).

2. The method according to claim 1, wherein The first signaling is triggered based on a second signaling or a first reference signal.

3. The method according to claim 2, wherein The second signaling includes one or more of the following: Secondary cell activation signaling; Signaling for performing layer 1 / layer 3 measurements on the first network device or the frequency where the first network device is located.

4. The method according to claim 2, wherein The second signaling is downlink control information (DCI), media access control control element (MAC CE), or radio resource control (RRC) signaling.

5. The method according to any one of claims 1 to 4, characterized in that The first signaling is carried in a wake-up signal.

6. The method according to any one of claims 1 to 5, characterized in that, Before the terminal device sends the first signaling to the first network device, the method further includes: The terminal device receives configuration information sent by a second network device, and the configuration information is used to configure the terminal device to send the first signaling to the first network device.

7. The method according to claim 6, wherein The configuration information includes one or more of the following: First information, used to indicate the frequency where the first network device is located; Second information, used to indicate the resource of the first signaling; Third information, used to indicate the time offset between the first network device and the second network device; Fourth information, used to indicate the resource selection method of the first signaling.

8. The method according to claim 7, wherein The resource of the first signaling includes one or more of time-frequency resources, preambles, and sequences.

9. The method according to claim 7 or 8, characterized in that, The third information includes one or more of the following: The deviation of the system frame numbers of the first network device and the second network device; The deviation of the time slots of the first network device and the second network device; The deviation of the symbols of the first network device and the second network device; The time-domain resource position of the first signaling determined based on the timing of the second network device.

10. The method according to any one of claims 7 to 9, characterized in that The fourth information is used to indicate a first resource selection method, and the first resource selection method selects the resource of the first signaling based on the measurement value of a first target signal sent by the first network device, and the first target signal includes SSB and / or channel state information reference signal (CSI-RS).

11. The method according to claim 10, wherein The first resource selection method selects the resource of the first signaling based on the measurement value of the first target signal and the threshold of the measurement value.

12. The method according to any one of claims 7 to 11, characterized in that The fourth information is used to indicate a second resource selection method, and the second resource selection method selects the resource of the first signaling based on the measurement value of a second target signal sent by the second network device, and the second target signal includes SSB and / or CSI-RS.

13. The method according to claim 12, wherein The second resource selection method selects the resource of the first signaling based on one or more of the following: The signal with the highest measurement value in the second target signal; The measurement value of the second target signal and the threshold of the measurement value.

14. The method according to any one of claims 1 to 13, characterized in that, The method further includes: In response to the sending of the first signaling, the terminal device starts a first timer; and / or In response to receiving the first SSB, the terminal device stops the first timer.

15. The method according to claim 14, wherein The method further includes: If the first timer stops, the terminal device sends first indication information to the second network device, and the first indication information is used to indicate that the activation of the first SSB is successful.

16. The method according to claim 14, wherein The method further includes: If the first timer expires, the terminal device performs one or more of the following operations: Send second indication information to a second network device, where the second indication information is used to indicate that the activation of the first SSB fails; Deactivate the first network device; Release the configuration information for performing layer 1 / layer 3 measurements on the first network device or the frequency where the first network device is located.

17. The method according to claim 16, wherein The terminal device determines the second indication information based on the logical channel prioritization (LCP) process and sends it to the second network device.

18. The method according to claim 17, wherein The method further includes: During the LCP process, if the uplink resource is the uplink resource corresponding to the second network device or the frequency of the second network device, the terminal device includes the second indication information in the media access control protocol data unit (MAC PDU).

19. The method according to any one of claims 1 to 18, characterized in that The method further includes: Upon receiving the first SSB, the terminal device starts a secondary cell deactivation timer.

20. The method according to any one of claims 1 to 19, characterized in that, The method further includes: The terminal device sends a third signaling or a second reference signal to the first network device, where the third signaling or the second reference signal is used to trigger the first network device to stop sending one or more SSBs.

21. The method according to claim 20, characterized in that, The third signaling or the second reference signal is triggered based on a fourth signaling or a third reference signal.

22. The method according to claim 21, wherein The fourth signaling is one of the following: A secondary cell deactivation signaling; A signaling for canceling layer 1 / layer 3 measurements on the first network device or the frequency where the first network device is located.

23. The method according to claim 21, characterized in that, The fourth signaling is a DCI, a MAC CE, or an RRC signaling.

24. The method according to claim 23, characterized in that, The fourth signaling is sent by the first network device or the second network device.

25. The method according to claim 20, wherein The third signaling or the second reference signal is triggered based on the measurement value of a first target signal sent by the first network device, where the first target signal includes an SSB and / or a CSI-RS.

26. The method according to claim 25, wherein The third signaling is triggered when one or more of the following are satisfied: The measurement value of the first target signal is less than or equal to a first threshold; The measurement value of the first target signal is greater than or equal to a second threshold.

27. The method according to any one of claims 20 to 26, characterized in that, The third signaling is an uplink control information (UCI), a MAC CE, or an RRC signaling.

28. The method according to claim 27, wherein The third signaling is a MAC CE or an RRC signaling, and the terminal device determines the third signaling based on the LCP process and sends it to the first network device.

29. The method according to claim 28, wherein The method further includes: During the LCP process, if the uplink resource is the uplink resource corresponding to the first network device or the frequency of the first network device, the terminal device includes the third signaling in the MAC PDU.

30. The method according to any one of claims 20 to 26, characterized in that, The third signaling includes fifth information, where the fifth information is used to indicate the timing duration of the secondary cell deactivation timer.

31. The method according to any one of claims 20 to 30, characterized in that, The third signaling includes the index of the one or more SSBs.

32. The method according to any one of claims 20 to 30, characterized in that, The third signaling is carried by the resource associated with the one or more SSBs.

33. The method according to claim 32, wherein The resource associated with the one or more SSBs includes one or more of time-frequency resources, preambles, or sequences.

34. The method according to any one of claims 30 to 33, characterized in that, The method further includes: The terminal device performs one or more of the following operations: Stop or reset a first timer, where the first timer is associated with the activation of the SSB of the first network device; Stop sending the first signaling.

35. A wireless communication method, characterized in that, Including: The first network device receives a first signaling sent by a terminal device, and the first signaling is used to trigger the first network device to send a first synchronization signal block (SSB).

36. The method according to claim 35, wherein The first signaling is triggered based on a second signaling or a first reference signal.

37. The method according to claim 36, characterized in that, The second signaling includes one or more of the following: Secondary cell activation signaling; Signaling for performing layer 1 / layer 3 measurements on the first network device or the frequency where the first network device is located.

38. The method according to claim 37, wherein The second signaling is downlink control information (DCI), media access control control element (MAC CE), or radio resource control (RRC) signaling.

39. The method according to any one of claims 35 to 38, characterized in that, The first signaling is carried in a wake-up signal.

40. The method according to any one of claims 35 to 39, characterized in that, The method further includes: The first network device sends configuration information to a second network device; or, The first network device receives configuration information sent by the second network device; wherein the configuration information is used to configure the terminal device to send the first signaling to the first network device.

41. The method according to claim 40, wherein The configuration information includes one or more of the following: First information, used to indicate the frequency where the first network device is located; Second information, used to indicate the resource of the first signaling; Third information, used to indicate the time offset between the first network device and the second network device; Fourth information, used to indicate the resource selection method of the first signaling.

42. The method according to claim 41, wherein The resource of the first signaling includes one or more of time-frequency resources, preambles, and sequences.

43. The method according to claim 41 or 42, characterized in that, The third information includes one or more of the following: The deviation of the system frame numbers between the first network device and the second network device; The deviation of the time slots between the first network device and the second network device; The deviation of the symbols between the first network device and the second network device; The time-domain resource position of the first signaling determined based on the timing of the second network device.

44. The method according to any one of claims 4341, characterized in that, The fourth information is used to indicate a first resource selection method, and the first resource selection method selects the resource of the first signaling based on the measurement value of a first target signal sent by the first network device, and the first target signal includes SSB and / or channel state information reference signal (CSI-RS).

45. The method according to claim 44, wherein The first resource selection method selects the resource of the first signaling based on the measurement value of the first target signal and the threshold of the measurement value.

46. The method according to any one of claims 41 to 45, characterized in that, The fourth information is used to indicate a second resource selection method, and the second resource selection method selects the resource of the first signaling based on the measurement value of a second target signal sent by the second network device, and the second target signal includes SSB and / or CSI-RS.

47. The method according to claim 46, wherein The second resource selection method selects the resource of the first signaling based on one or more of the following: The signal with the highest measurement value in the second target signal; The measurement value of the second target signal and the threshold of the measurement value.

48. The method according to any one of claims 35 to 47, characterized in that The method further includes: The first network device receives a third signaling or a second reference signal sent by the terminal device, and the third signaling or the second reference signal is used to trigger the first network device to stop sending one or more SSBs.

49. The method according to claim 48, characterized in that, The third signaling or the second reference signal is triggered based on a fourth signaling or a third reference signal.

50. The method according to claim 49, wherein, The fourth signaling is one of the following: Secondary cell deactivation signaling; Signaling for canceling layer 1 / layer 3 measurements of the first network device or the frequency where the first network device is located.

51. The method according to claim 49, characterized in that, The fourth signaling is DCI, MAC CE, or RRC signaling.

52. The method according to claim 51, wherein The fourth signaling is sent by the first network device or the second network device.

53. The method according to claim 48, characterized in that, The third signaling or the second reference signal is triggered based on a measurement value of a first target signal sent by the first network device, and the first target signal includes an SSB and / or a channel state information reference signal CSI-RS.

54. The method according to any one of claims 48 to 53, characterized in that, The third signaling is uplink control information UCI, MAC CE, or RRC signaling.

55. The method according to any one of claims 48 to 53, characterized in that, The third signaling contains fifth information, and the fifth information is used to indicate the timing duration of a secondary cell deactivation timer.

56. The method according to claim 55, characterized in that, The method further includes: If the secondary cell deactivation timer expires, the first network device stops sending the one or more SSBs.

57. The method according to any one of claims 48 to 56, characterized in that, The third signaling includes indexes of the one or more SSBs.

58. The method according to any one of claims 48 to 56, characterized in that, The third signaling is carried by a resource associated with the one or more SSBs.

59. The method according to claim 58, wherein Resources associated with the one or more SSBs include one or more of time-frequency resources, preambles, or sequences.

60. A wireless communication method, characterized in that, Includes: A second network device sends configuration information to a terminal device, and the configuration information is used to configure the terminal device to send first signaling to a first network device, and the first signaling is used to trigger the first network device to send a first synchronization signal block SSB.

61. The method according to claim 60, wherein The configuration information includes one or more of the following: First information, used to indicate the frequency where the first network device is located; Second information, used to indicate the resource of the first signaling; Third information, used to indicate the time offset between the first network device and the second network device; Fourth information, used to indicate the resource selection method of the first signaling.

62. The method according to claim 61, characterized in that, The resource of the first signaling includes one or more of time-frequency resources, preambles, and sequences.

63. The method according to claim 61 or 62, characterized in that, The third information includes one or more of the following: The deviation of the system frame numbers of the first network device and the second network device; The deviation of the time slots of the first network device and the second network device; The deviation of the symbols of the first network device and the second network device; The time-domain resource position of the first signaling determined based on the timing of the second network device.

64. The method according to any one of claims 61 to 63, characterized in that, The fourth information is used to indicate a first resource selection method, and the first resource selection method selects the resource of the first signaling based on a measurement value of a first target signal sent by the first network device, and the first target signal includes an SSB and / or a channel state information reference signal CSI-RS.

65. The method according to claim 64, wherein The first resource selection method selects the resource of the first signaling based on the measurement value of the first target signal and a threshold of the measurement value.

66. The method according to any one of claims 61 to 65, characterized in that, The fourth information is used to indicate a second resource selection method, and the second resource selection method selects the resource of the first signaling based on a measurement value of a second target signal sent by the second network device, and the second target signal includes an SSB and / or CSI-RS.

67. The method according to claim 66, wherein The second resource selection method selects the resource of the first signaling based on one or more of the following: The signal with the highest measured value among the second target signals; The measured value of the second target signal and the threshold of the measured value.

68. The method according to any one of claims 60 to 67, characterized in that, The first signaling is carried in the wake-up signal.

69. The method according to any one of claims 60 to 68, characterized in that, The method further includes: The first network device sends the configuration information to the second network device; or, The first network device receives the configuration information sent by the second network device.

70. The method according to any one of claims 60 to 69, characterized in that, The method further includes: The second network device receives the first indication information or the second indication information sent by the terminal device, where the first indication information is used to indicate that the activation of the first SSB is successful, and the second indication information is used to indicate that the activation of the first SSB fails.

71. The method according to any one of claims 60 to 70, characterized in that, The method further includes: The second network device sends a fourth signaling to the terminal device, and the fourth signaling is used to trigger the terminal device to send a third signaling or a second reference signal, and the third signaling or the second reference signal is used to trigger the first network device to stop sending one or more SSBs.

72. A terminal device, characterized in that, Includes: A communication unit, configured to send a first signaling to a first network device, where the first signaling is used to trigger the first network device to send a first synchronization signal block SSB.

73. The terminal device according to claim 72, wherein, The first signaling is triggered based on a second signaling or a first reference signal.

74. The terminal device according to claim 73, characterized in that, The second signaling includes one or more of the following: A secondary cell activation signaling; A signaling for performing layer-one / layer-three measurements on the first network device or the frequency where the first network device is located.

75. The terminal device according to claim 73, characterized in that, The second signaling is a downlink control information DCI, a media access control control element MAC CE, or a radio resource control RRC signaling.

76. The terminal device according to any one of claims 72 to 75, characterized in that, The first signaling is carried in the wake-up signal.

77. The terminal device according to any one of claims 72 to 76, characterized in that, The communication unit is further configured to: Before the terminal device sends the first signaling to the first network device, receive configuration information sent by the second network device, and the configuration information is used to configure the terminal device to send the first signaling to the first network device. The configuration information includes one or more of the following:

78. The terminal device according to claim 77, characterized in that, A first piece of information, used to indicate the frequency where the first network device is located; A second piece of information, used to indicate the resource of the first signaling; A third piece of information, used to indicate the time offset between the first network device and the second network device; A fourth piece of information, used to indicate the resource selection method of the first signaling. The resource of the first signaling includes one or more of time-frequency resources, preambles, and sequences.

79. The terminal device according to claim 78, characterized in that, The third piece of information includes one or more of the following:

80. The terminal device according to claim 78 or 79, characterized in that, The deviation of the system frame numbers of the first network device and the second network device; The deviation of the time slots of the first network device and the second network device; The deviation of the symbols of the first network device and the second network device; The time-domain resource position of the first signaling determined based on the timing of the second network device. The fourth piece of information is used to indicate a first resource selection method, and the first resource selection method selects the resource of the first signaling based on the measured value of a first target signal sent by the first network device, where the first target signal includes SSB and / or channel state information reference signal CSI-RS.

81. The terminal device according to any one of claims 78 to 80, characterized in that, ​ 82. The terminal device according to claim 81, characterized in that, The first resource selection method selects the resource of the first signaling based on the measurement value of the first target signal and the threshold of the measurement value.

83. The terminal device according to any one of claims 78 to 82, characterized in that, The fourth information is used to indicate a second resource selection method, and the second resource selection method selects the resource of the first signaling based on the measurement value of a second target signal sent by the second network device, where the second target signal includes SSB and / or CSI-RS.

84. The terminal device according to claim 83, characterized in that, The second resource selection method selects the resource of the first signaling based on one or more of the following: The signal with the highest measurement value among the second target signals; The measurement value of the second target signal and the threshold of the measurement value.

85. The terminal device according to any one of claims 72 to 84, characterized in that, The terminal device further includes: A start / stop unit, configured to: In response to the transmission of the first signaling, start a first timer; and / or In response to receiving the first SSB, stop the first timer.

86. The terminal device according to claim 85, wherein, The communication unit is further configured to: If the first timer stops, the terminal device sends first indication information to the second network device, where the first indication information is used to indicate that the activation of the first SSB is successful.

87. The terminal device according to claim 85, wherein, The terminal device further includes: An execution unit, configured to: If the first timer expires, perform one or more of the following operations: Send second indication information to the second network device, where the second indication information is used to indicate that the activation of the first SSB fails; Deactivate the first network device; Release the configuration information for performing layer 1 / layer 3 measurements on the first network device or the frequency where the first network device is located.

88. The terminal device according to claim 87, characterized in that, The terminal device determines to send the second indication information to the second network device based on the logical channel prioritization (LCP) process.

89. The terminal device according to claim 88, characterized in that, The terminal device further includes: A first processing unit, configured to, during the LCP process, if the uplink resource is the uplink resource corresponding to the second network device or the frequency of the second network device, include the second indication information in the media access control protocol data unit (MAC PDU).

90. The terminal device according to any one of claims 72 to 89, characterized in that, The terminal device further includes: A start unit, configured to start a secondary cell deactivation timer upon receiving the first SSB.

91. The terminal device according to any one of claims 72 to 90, characterized in that, The communication unit is further configured to: Send a third signaling or a second reference signal to the first network device, where the third signaling or the second reference signal is used to trigger the first network device to stop sending one or more SSBs.

92. The terminal device according to claim 91, characterized in that, The third signaling or the second reference signal is triggered based on a fourth signaling or a third reference signal.

93. The terminal device according to claim 92, characterized in that, The fourth signaling is one of the following: A secondary cell deactivation signaling; A signaling for canceling layer 1 / layer 3 measurements on the first network device or the frequency where the first network device is located. The terminal device according to claim 92, characterized in that, The fourth signaling is a DCI, a MAC CE, or an RRC signaling.

95. The terminal device according to claim 94, characterized in that, The fourth signaling is sent by the first network device or the second network device.

96. The terminal device according to claim 91, characterized in that, The third signaling or the second reference signal is triggered based on the measurement value of a first target signal sent by the first network device, where the first target signal includes SSB and / or CSI-RS.

97. The terminal device according to claim 96, characterized in that, The third signaling is triggered when one or more of the following are satisfied: The measurement value of the first target signal is less than or equal to a first threshold; The measured value of the first target signal is greater than or equal to a second threshold.

98. The terminal device according to any one of claims 91 to 97, characterized in that, The third signaling is uplink control information UCI, MAC CE or RRC signaling.

99. The terminal device according to claim 98, characterized in that, The third signaling is MAC CE or RRC signaling, and the terminal device determines to send the third signaling to the first network device based on the LCP procedure.

100. The terminal device according to claim 99, characterized in that, The terminal device further includes: A second processing unit, configured to, in the LCP procedure, if the uplink resource is the uplink resource corresponding to the first network device or the frequency of the first network device, include the third signaling in the MAC PDU.

101. The terminal device according to any one of claims 91 to 97, characterized in that, The third signaling includes fifth information, and the fifth information is used to indicate the timing duration of the secondary cell deactivation timer.

102. The terminal device according to any one of claims 91 to 101, characterized in that, The third signaling includes the index of the one or more SSBs.

103. The terminal device according to any one of claims 91 to 101, characterized in that, The third signaling is carried by the resource associated with the one or more SSBs.

104. The terminal device according to claim 103, wherein, The resource associated with the one or more SSBs includes one or more of time-frequency resources, preambles or sequences.

105. The terminal device according to any one of claims 91 to 104, characterized in that, The terminal device further includes: An execution unit, configured to perform one or more of the following operations: Stop or reset a first timer, where the first timer is related to the activation of the SSB of the first network device; Stop sending the first signaling.

106. A network device, characterized in that, The network device is a first network device, and the network device includes: A communication unit, configured to receive a first signaling sent by a terminal device, where the first signaling is used to trigger the first network device to send a first synchronization signal block SSB.

107. The network device according to claim 106, characterized in that, The first signaling is triggered based on a second signaling or a first reference signal.

108. The network device according to claim 107, wherein The second signaling includes one or more of the following: Secondary cell activation signaling; Signaling for performing layer one / layer three measurements on the first network device or the frequency where the first network device is located.

109. The network device according to claim 107, wherein, The second signaling is downlink control information DCI, media access control control element MAC CE or radio resource control RRC signaling. The network device according to any one of claims 106 to 109, characterized in that The first signaling is carried in a wake-up signal.

111. The network device according to any one of claims 106 to 110, characterized in that, The communication unit is further configured to: Send configuration information to a second network device; or, Receive configuration information sent by the second network device; Wherein, the configuration information is used to configure the terminal device to send the first signaling to the first network device.

112. The network device according to claim 111, wherein The configuration information includes one or more of the following: First information, used to indicate the frequency where the first network device is located; Second information, used to indicate the resource of the first signaling; Third information, used to indicate the time offset between the first network device and the second network device; Fourth information, used to indicate the resource selection method of the first signaling.

113. The network device according to claim 112, characterized in that, The resource of the first signaling includes one or more of time-frequency resources, preambles and sequences.

114. The network device according to claim 112 or 113, characterized in that, The third information includes one or more of the following: The deviation of the system frame numbers of the first network device and the second network device; The deviation of the time slots of the first network device and the second network device; The deviation of the symbols of the first network device and the second network device; The time domain resource position of the first signaling determined based on the timing of the second network device.

115. The network device according to any one of claims 112 to 114, characterized in that, The fourth information is used to indicate a first resource selection manner, and the first resource selection manner selects a resource of the first signaling based on a measurement value of a first target signal sent by the first network device, where the first target signal includes a Synchronization Signal Block (SSB) and / or a Channel State Information Reference Signal (CSI-RS).

116. The network device according to claim 115, characterized in that, The first resource selection manner selects a resource of the first signaling based on a measurement value of the first target signal and a threshold of the measurement value.

117. The network device according to any one of claims 112 to 116, characterized in that, The fourth information is used to indicate a second resource selection manner, and the second resource selection manner selects a resource of the first signaling based on a measurement value of a second target signal sent by the second network device, where the second target signal includes an SSB and / or a CSI-RS.

118. The network device according to claim 117, characterized in that, The second resource selection manner selects a resource of the first signaling based on one or more of the following: The signal with the highest measurement value in the second target signal; The measurement value of the second target signal and a threshold of the measurement value. The network device according to any one of claims 106 to 118, characterized in that, The communication unit is further configured to: Receive a third signaling or a second reference signal sent by the terminal device, where the third signaling or the second reference signal is used to trigger the first network device to stop sending one or more SSBs. The network device according to claim 119, characterized in that, The third signaling or the second reference signal is triggered based on a fourth signaling or a third reference signal.

121. The network device according to claim 120, characterized in that, The fourth signaling is one of the following: A Secondary Cell Deactivation signaling; A signaling for canceling Layer 1 / Layer 3 measurements of the first network device or the frequency where the first network device is located. The network device according to claim 120, wherein The fourth signaling is a Downlink Control Information (DCI), a Medium Access Control (MAC) Control Element (CE), or a Radio Resource Control (RRC) signaling. The network device according to claim 122, characterized in that, The fourth signaling is sent by the first network device or the second network device. The network device according to claim 119, wherein The third signaling or the second reference signal is triggered based on a measurement value of a first target signal sent by the first network device, where the first target signal includes an SSB and / or a CSI-RS. The network device according to any one of claims 119 to 124, characterized in that The third signaling is an Uplink Control Information (UCI), a MAC CE, or an RRC signaling. The network device according to any one of claims 119 to 124, characterized in that The third signaling includes a fifth information, where the fifth information is used to indicate a timing duration of a Secondary Cell Deactivation timer. The network device according to claim 126, characterized in that, The communication unit is further configured to: If the Secondary Cell Deactivation timer expires, stop sending the one or more SSBs. The network device according to any one of claims 119 to 127, characterized in that The third signaling includes indexes of the one or more SSBs. The network device according to any one of claims 119 to 127, characterized in that, The third signaling is carried by a resource associated with the one or more SSBs. The network device according to claim 129, wherein The resource associated with the one or more SSBs includes one or more of time-frequency resources, preambles, or sequences.

131. A network device, characterized in that, The network device is a second network device, and the network device includes: A communication unit, configured to send configuration information to a terminal device, where the configuration information is used to configure the terminal device to send a first signaling to a first network device, and the first signaling is used to trigger the first network device to send a first Synchronization Signal Block (SSB).

132. The network device according to claim 131, characterized in that, The configuration information includes one or more of the following: A first information, used to indicate a frequency where the first network device is located; A second information, used to indicate a resource of the first signaling; A third information, used to indicate a time offset between the first network device and the second network device; Fourth information, used to indicate the resource selection method of the first signaling.

133. The network device according to claim 132, characterized in that, The resources of the first signaling include one or more of time-frequency resources, preambles, and sequences.

134. The network device according to claim 132 or 133, characterized in that, The third information includes one or more of the following: The deviation of the system frame numbers of the first network device and the second network device; The deviation of the time slots of the first network device and the second network device; The deviation of the symbols of the first network device and the second network device; The time-domain resource location of the first signaling determined based on the timing of the second network device. The network device according to any one of claims 132 to 134, characterized in that The fourth information is used to indicate a first resource selection method, which selects the resources of the first signaling based on the measurement value of a first target signal sent by the first network device, and the first target signal includes SSB and / or channel state information reference signal CSI-RS. The network device according to claim 135, wherein, The first resource selection method selects the resources of the first signaling based on the measurement value of the first target signal and the threshold of the measurement value. The network device according to any one of claims 132 to 136, characterized in that, The fourth information is used to indicate a second resource selection method, which selects the resources of the first signaling based on the measurement value of a second target signal sent by the second network device, and the second target signal includes SSB and / or CSI-RS.

138. The network device according to claim 137, characterized in that, The second resource selection method selects the resources of the first signaling based on one or more of the following: The signal with the highest measurement value in the second target signal; The measurement value of the second target signal and the threshold of the measurement value. The network device according to any one of claims 131 to 138, characterized in that, The first signaling is carried in a wake-up signal. The network device according to any one of claims 131 to 139, characterized in that The communication unit is further configured to: Send the configuration information to the second network device; or, Receive the configuration information sent by the second network device.

141. The network device according to any one of claims 131 to 140, characterized in that, The communication unit is further configured to: Receive a first indication information or a second indication information sent by the terminal device, where the first indication information is used to indicate that the activation of the first SSB is successful, and the second indication information is used to indicate that the activation of the first SSB fails.

142. The network device according to any one of claims 131 to 141, characterized in that, The communication unit is further configured to: Send a fourth signaling to the terminal device, where the fourth signaling is used to trigger the terminal device to send a third signaling or a second reference signal, and the third signaling or the second reference signal is used to trigger the first network device to stop sending one or more SSBs.

143. A terminal device, characterized in that, Comprising a transceiver, a memory, and a processor, the memory is used to store programs, and the processor is used to call the programs in the memory and control the transceiver to receive or send signals, so that the communication device executes the method according to any one of claims 1 to 34.

144. A network device, characterized in that, Comprising a transceiver, a memory, and a processor, the memory is used to store programs, and the processor is used to call the programs in the memory and control the transceiver to receive or send signals, so that the communication device executes the method according to any one of claims 35 to 59 or 60 to 71.

145. A device, characterized in that, Comprising a processor, configured to call a program from a memory, so that the device executes the method according to any one of claims 1 to 34, 35 to 59, or 60 to 71.

146. A chip, characterized in that, It includes a processor for calling a program from a memory, such that a device installed with the chip executes the method according to any one of claims 1 to 34, 35 to 59 or 60 to 71.

147. A computer-readable storage medium, characterized in that, A program is stored thereon, and the program causes a computer to execute the method according to any one of claims 1 to 34, 35 to 59 or 60 to 71.

148. A computer program product, characterized in that, It includes a program, and the program causes a computer to execute the method according to any one of claims 1 to 34, 35 to 59 or 60 to 71.

149. A computer program, characterized in that, The computer program causes a computer to execute the method according to any one of claims 1 to 34, 35 to 59 or 60 to 71.

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