Wireless communication method, device, and storage medium

Abstract

The present application provides a wireless communication method, a device, and a storage medium. The method comprises: a terminal device receives a low power wake-up signal (LP-WUS) sent by a network device, wherein the LP-WUS is used for controlling a master receiver (MR) of the terminal device to monitor a physical downlink control channel (PDCCH) on one or more first serving cells, and a plurality of serving cells of the terminal device comprise the one or more first serving cells.

Description

Wireless communication method, device, and storage medium Technical Field

[0001] The embodiments of the present application relate to the field of mobile communication technologies, and in particular to a wireless communication method and device, and a storage medium. Background Art

[0002] In the New Radio (NR) system, a wake-up signal with lower power consumption, namely the low power wake-up signal (LP-WUS), is introduced. The terminal device uses a receiver with lower power consumption to receive the LP-WUS and starts the main receiver to monitor the downlink signal after receiving the LP-WUS to achieve the purpose of energy saving.

[0003] After the introduction of LP-WUS, from the perspective of terminal devices, when camping in a cell supporting LP-WUS, the main receiver can be turned off compared to camping in a normal cell, achieving a better power saving effect.

[0004] Summary of the Invention

[0005] Embodiments of the present application provide a wireless communication method and device, and a storage medium.

[0006] The wireless communication method provided in the embodiment of the present application includes:

[0007] The terminal device receives a low-power wake-up signal LP-WUS sent by a network device, and the LP-WUS is used to control the main receiver MR of the terminal device to monitor the physical downlink control channel PDCCH on one or more first service cells. The multiple service cells of the terminal device include the one or more first service cells.

[0008] The wireless communication method provided in the embodiment of the present application includes:

[0009] The network device sends a low power wake-up signal LP-WUS to the terminal device, and the LP-WUS is used to control the network device to send a physical downlink control channel PDCCH on one or more first service cells, and the multiple service cells of the terminal device include the one or more first service cells.

[0010] The terminal device provided in the embodiment of the present application includes:

[0011] The first communication unit is configured to receive a low-power wake-up signal LP-WUS sent by a network device, and the LP-WUS is used to control the main receiver MR of the terminal device to monitor the physical downlink control channel PDCCH on one or more first service cells, and the multiple service cells of the terminal device include the one or more first service cells.

[0012] The network device provided in the embodiment of the present application includes:

[0013] The second communication unit is configured to send a low power wake-up signal LP-WUS to the terminal device, and the LP-WUS is used to control the network device to send a physical downlink control channel PDCCH on one or more first service cells, and the multiple service cells of the terminal device include the one or more first service cells.

[0014] The communication device provided in an embodiment of the present application may be a terminal device or a network device in the above-mentioned solution, and the communication device includes a processor and a memory. The memory is used to store a computer program, and the processor is used to call and execute the computer program stored in the memory to perform the above-mentioned wireless communication method.

[0015] The chip provided in the embodiment of the present application is used to implement the above-mentioned wireless communication method.

[0016] Specifically, the chip includes: a processor, which is used to call and run a computer program from a memory, so that a device equipped with the chip executes the above-mentioned wireless communication method.

[0017] The computer-readable storage medium provided in an embodiment of the present application is used to store a computer program, which enables a computer to execute the above-mentioned wireless communication method.

[0018] The computer program product provided in the embodiments of the present application includes computer program instructions, which enable a computer to execute the above-mentioned wireless communication method.

[0019] The computer program provided in the embodiment of the present application, when executed on a computer, enables the computer to execute the above-mentioned wireless communication method.

[0020] Through the above technical solution, when the terminal device receives the LP-WUS sent by the network device, the MR is controlled based on the received LP-WUS to monitor the PDCCH of one or more first service cells among the multiple service cells of the terminal device. On the one hand, the network device can send LP-WUS according to the service transmission requirements. On the other hand, after receiving the LP-WUS, the terminal device controls the monitoring of the PDCCH of the corresponding service cell that schedules the corresponding service, thereby reducing the service delay while minimizing the power consumption of the terminal device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0022] FIG1 is a schematic diagram of an application scenario of an embodiment of the present application;

[0023] FIG2 is a schematic diagram of a DRX cycle according to an embodiment of the present application;

[0024] FIG3 is a schematic diagram of an optional transmission of LP-WUS provided in an embodiment of the present application;

[0025] FIG4 is a schematic diagram of an optional transmission of LP-WUS provided in an embodiment of the present application;

[0026] FIG5 is a schematic diagram of an optional flow chart of a wireless communication method provided in an embodiment of the present application;

[0027] FIG6 is a schematic diagram of an optional flow chart of a wireless communication method provided in an embodiment of the present application;

[0028] FIG7 is a schematic diagram of an optional flow chart of a wireless communication method provided in an embodiment of the present application;

[0029] FIG8 is a schematic diagram of an optional structure of a terminal device provided in an embodiment of the present application;

[0030] FIG9 is a schematic diagram of an optional structure of a network device provided in an embodiment of the present application;

[0031] FIG10 is a schematic structural diagram of a communication device provided in an embodiment of the present application;

[0032] FIG11 is a schematic structural diagram of a chip according to an embodiment of the present application;

[0033] FIG12 is a schematic block diagram of a communication system provided in an embodiment of the present application. DETAILED DESCRIPTION

[0034] The following will describe the technical solutions in the embodiments of this application in conjunction with the drawings in the embodiments of this application. Obviously, the described embodiments are part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0035] Communication system scenarios include terrestrial networks (TNs) and NTNs. NTNs typically use satellite communications to provide communication services to terrestrial users. Currently, NTN systems include NR-NTN and IoT-NTN, and other NTN systems may be added in the future.

[0036] Figure 1 is a schematic diagram of the architecture of a communication system provided by an embodiment of the present application. As shown in Figure 1, communication system 100 may include terminal device 110 and network device 120. Network device 120 may communicate with terminal device 110 via an air interface. Multi-service transmission is supported between terminal device 110 and network device 120.

[0037] It should be understood that the embodiments of the present application are only illustrative of the communication system 100, but the embodiments of the present application are not limited thereto. That is, the technical solutions of the embodiments of the present application can be applied to various communication systems, such as: Long Term Evolution (LTE) system, LTE Time Division Duplex (TDD), Universal Mobile Telecommunication System (UMTS), Internet of Things (IoT) system, Narrow Band Internet of Things (NB-IoT) system, enhanced Machine-Type Communications (eMTC) system, 5G communication system (also known as New Radio (NR) communication system), or future communication systems.

[0038] In the communication system 100 shown in Figure 1, the network device 120 may be an access network device that communicates with the terminal device 110. The access network device may provide communication coverage for a specific geographical area and may communicate with the terminal device 110 (eg, UE) located within the coverage area.

[0039] The network device 120 may be an evolved Node B (eNB or eNodeB) in a Long Term Evolution (LTE) system, or a Next Generation Radio Access Network (NG RAN) device, or a base station (gNB) in an NR system, or a wireless controller in a Cloud Radio Access Network (CRAN), or the network device 120 may be a relay station, an access point, an in-vehicle device, a wearable device, a hub, a switch, a bridge, a router, or a network device in a future evolved Public Land Mobile Network (PLMN), etc.

[0040] The terminal device 110 may be any terminal device, including but not limited to a terminal device connected to the network device 120 or other terminal devices by wire or wireless connection.

[0041] For example, the terminal device 110 may refer to an access terminal, user equipment (UE), a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, a wireless communication device, a user agent, or a user apparatus. The access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, an IoT device, a satellite handheld terminal, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), a handheld device with wireless communication capabilities, a computing device or other processing device connected to a wireless modem, an in-vehicle device, a wearable device, a terminal device in a 5G network, or a terminal device in a future evolution network, etc.

[0042] The terminal device 110 can be used for device-to-device (D2D) communication.

[0043] The wireless communication system 100 may further include a core network device 130 for communicating with the base station. The core network device 130 may be a 5G core network (5G Core, 5GC) device, such as an Access and Mobility Management Function (AMF), an Authentication Server Function (AUSF), a User Plane Function (UPF), or a Session Management Function (SMF). Optionally, the core network device 130 may also be an Evolved Packet Core (EPC) device of an LTE network, such as a Session Management Function + Core Packet Gateway (SMF+PGW-C) device. It should be understood that SMF+PGW-C can simultaneously implement the functions that can be implemented by SMF and PGW-C. During the network evolution process, the above-mentioned core network device may also be called other names, or a new network entity may be formed by dividing the functions of the core network, which is not limited in the embodiments of the present application.

[0044] The functional units in the communication system 100 may also establish connections and implement communication via next generation (NG) network interfaces.

[0045] For example, the terminal device establishes an air interface connection with the access network device through the Uu interface for transmitting user plane data and control plane signaling; the terminal device can establish a control plane signaling connection with the AMF through the NG interface 1 (referred to as N1); the access network device, such as the next generation wireless access base station (gNB), can establish a user plane data connection with the UPF through the NG interface 3 (referred to as N3); the access network device can establish a control plane signaling connection with the AMF through the NG interface 2 (referred to as N2); the UPF can establish a control plane signaling connection with the SMF through the NG interface 4 (referred to as N4); the UPF can exchange user plane data with the data network through the NG interface 6 (referred to as N6); the AMF can establish a control plane signaling connection with the SMF through the NG interface 11 (referred to as N11); the SMF can establish a control plane signaling connection with the PCF through the NG interface 7 (referred to as N7).

[0046] Figure 1 exemplarily shows a base station, a core network device and two terminal devices. Optionally, the wireless communication system 100 may include multiple base station devices and each base station may include other numbers of terminal devices within its coverage area, which is not limited in this embodiment of the present application.

[0047] It should be noted that Figure 1 is merely an example of a system applicable to this application. Of course, the methods described in the embodiments of this application can also be applied to other systems. Furthermore, the terms "system" and "network" are often used interchangeably herein. The term "and / or" herein simply describes an association relationship between associated objects, indicating that three possible relationships exist. For example, "A and / or B" can represent: A exists alone, A and B exist simultaneously, or B exists alone. Furthermore, the character " / " generally indicates that the associated objects are in an "or" relationship. It should also be understood that the "indication" mentioned in the embodiments of this application can be a direct indication, an indirect indication, or an indication of an association relationship. For example, "A indicates B" can mean that A directly indicates B, for example, B can obtain information through A; it can also mean that A indirectly indicates B, for example, A indicates C, and B can obtain information through C; or it can mean that A and B have an association relationship. It should also be understood that the "correspondence" mentioned in the embodiments of this application can mean that there is a direct or indirect correspondence between two objects, or that there is an association relationship between the two objects, or a relationship between an indicator and the indicated, a configuration and the configured, and so on. It should also be understood that the “predefined” or “predefined rules” mentioned in the embodiments of the present application can be implemented by pre-saving corresponding codes, tables or other methods that can be used to indicate relevant information in a device (for example, including a terminal device and a network device), and the present application does not limit its specific implementation method. For example, predefined can refer to a definition in a protocol. It should also be understood that in the embodiments of the present application, the “protocol” can refer to a standard protocol in the field of communications, such as an LTE protocol, an NR protocol, and related protocols used in future communication systems, and the present application does not limit this.

[0048] To facilitate understanding of the technical solutions of the embodiments of the present application, the relevant technologies of the embodiments of the present application are described below. The following relevant technologies can be arbitrarily combined with the technical solutions of the embodiments of the present application as optional solutions, and they all fall within the protection scope of the embodiments of the present application.

[0049] With the pursuit of speed, delay, high-speed mobility, energy efficiency and the diversity and complexity of services in future life, the 3GPP (3 rdThe 3GPP (3rd Generation Partnership Project) international standards organization has begun developing the fifth generation (5G). Key 5G application scenarios include enhanced mobile broadband (eMBB), ultra-reliable and low-latency communication (URLLC), and massive machine-type communication (mMTC).

[0050] In order to reduce air interface signaling and quickly restore wireless connections and data services in the 5G network environment, a new Radio Resource Control (RRC) state is defined, namely the connection inactive state (RRC_INACTIVE state). This state is different from the idle state (RRC_IDLE state) and the active state (RRC_ACTIVE state).

[0051] RRC_IDLE state: mobility is based on UE cell selection and reselection, paging is initiated by the core network (CN), and the paging area is configured by the CN; there is no UE access stratum (AS) context on the base station side; and there is no RRC connection.

[0052] RRC_CONNECTED state: An RRC connection exists, and a UE AS context exists between the base station and the UE. The network knows the UE's location at the cell level. Mobility is controlled by the network. Unicast data can be transmitted between the UE and the base station.

[0053] RRC_INACTIVE state: Mobility is based on UE cell selection and reselection, there is a connection between the core network and the access network (CN-NR), the UE AS context exists on a base station, paging is triggered by the Radio Access Network (RAN), the RAN-based paging area is managed by the RAN, and the network side knows the UE location based on the RAN paging area level.

[0054] In NR, network equipment can configure the discontinuous reception (DRX) function for terminal devices, allowing the terminal to discontinuously monitor the physical downlink control channel (PDCCH) to save power for the terminal device. DRX is mainly used to control the MAC entity of the terminal device to monitor the cell radio network temporary identifier (C-RNTI), cancellation indication-RNTI (identification of cancellation in the uplink, CI-RNTI), configured scheduling radio network temporary identifier (Configured Scheduling RNTI, CS-RNTI), interruption RNTI (Interruption RNTI, INT-RNTI), slot format indication RNTI (Slot Format Indication RNTI, SFI-RNTI), semi-persistent channel state information RNTI (SemiPersistent channel state information RNTI, SP-CSI-RNTI), transmit power control (Transmit Power Control, TPC)-Physical Uplink Control Channel (PUCCH)-RNTI, TPC-Physical Uplink Shared Channel (PUSCH)-RNTI, TPC-SRS-RNTI, AI-RNTI, SL-RNTI, SLCS-RNTI and SL semi-persistent scheduling V-RNTI.

[0055] The basic mechanism of DRX is to configure a DRX cycle for the terminal device. As shown in Figure 2, the DRX cycle consists of an active period (On Duration) and a dormant period (Opportunity for DRX). During the On Duration, the terminal device monitors and receives the PDCCH; during the Opportunity for DRX, the terminal device does not receive downlink channel data to save power. As shown in Figure 2, in the time domain, time is divided into a series of continuous DRX cycles.

[0056] Each MAC entity has a DRX configuration. The DRX configuration parameters include:

[0057] DRX onDuration Timer (drx-onDurationTimer): specifies the continuous duration of monitoring PDCCH (i.e., the duration of the activation period) starting from the start subframe of the DRX cycle;

[0058] DRX slot offset (drx-SlotOffset): The delay for the UE to start the drx-onDurationTimer;

[0059] DRX inactivity timer (drx-InactivityTimer): indicates the duration of the UE's monitoring of the PDCCH after receiving a PDCCH indicating an initial uplink or downlink transmission, that is, the duration of the active period;

[0060] DRX downlink retransmission timer (drx-RetransmissionTimerDL): specifies the maximum duration that the terminal device monitors the PDCCH indicating downlink retransmission scheduling. Each downlink HARQ process except the broadcast process corresponds to one drx-RetransmissionTimerDL;

[0061] DRX uplink retransmission timer (drx-RetransmissionTimerUL): indicates the maximum duration that the terminal device monitors the PDCCH indicating uplink retransmission scheduling, where each uplink HARQ process corresponds to one drx-RetransmissionTimerUL;

[0062] DRX long cycle start offset (drx-LongCycleStartOffset): used to configure the long DRX cycle (Long DRX cycle), as well as the subframe offset of the start of the long DRX cycle and the short DRX cycle (Short DRX Cycle);

[0063] Short DRX Cycle is an optional configuration;

[0064] Short DRX cycle duration (drx-ShortCycle): The duration that the UE is in a Short DRX cycle (and does not receive any PDCCH). This is an optional configuration.

[0065] DRX HARQ downlink round-trip transmission time timer (drx-HARQ-RTT-TimerDL): The minimum waiting time required for the terminal device to receive the PDCCH indicating downlink scheduling. Each downlink HARQ process except the broadcast process corresponds to one drx-HARQ-RTT-TimerDL;

[0066] DRX HARQ uplink round-trip transmission time timer (drx-HARQ-RTT-TimerUL): The minimum waiting time required for the terminal device to receive the PDCCH indicating uplink scheduling. Each uplink HARQ process corresponds to one drx-HARQ-RTT-TimerUL.

[0067] If the terminal device is configured with DRX, it needs to monitor the PDCCH during the DRX activation period. The DRX activation period includes the following situations:

[0068] -Any of the five timers, drx-onDurationTimer, drx-InactivityTimer, drx-RetransmissionTimerDL, drx-RetransmissionTimerUL, and random access contention resolution timer ra-ContentionResolutionTimer, is running.

[0069] - A Scheduling Request (SR) is sent on the Physical Uplink Control Channel (PUCCH) and is in a pending state.

[0070] - In a contention-based random access procedure, after successfully receiving a random access response, an initial transmission indicated by a PDCCH scrambled by a C-RNTI has not been received.

[0071] In the existing mechanism, DRX long DRX cycle is the default configuration, and DRX short DRX cycle is an optional configuration. For terminals configured with short DRX cycle, the current protocol specifies the conversion method between long DRX cycle and short DRX cycle. The details are as follows:

[0072] When any of the following conditions is met, the terminal uses the DRX short cycle:

[0073] drx-InactivityTimer times out;

[0074] The terminal receives a DRX Command MAC CE.

[0075] When any of the following conditions is met, the terminal uses the DRX long cycle:

[0076] drx-ShortCycleTimer times out;

[0077] The terminal receives a long DRX command MAC CE.

[0078] The terminal determines when to start the drx-onDurationTimer based on whether it is currently in a short DRX cycle or a long DRX cycle. The specific regulations are as follows:

[0079] If the Short DRX Cycle is used and the current subframe satisfies [(SFN×10)+subframe number]modulo(drx-ShortCycle)=(drx-StartOffset)modulo(drx-ShortCycle), or if the Long DRX Cycle is used and the current subframe satisfies [(SFN×10)+subframe number]modulo(drx-LongCycle)=drx-StartOffset, the drx-onDurationTimer is started drx-SlotOffset slots after the start of the current subframe.

[0080] Wake-up signal (WUS)

[0081] In NR R16, a power saving signal, namely WUS, is introduced. The UE starts blind detection of the PDCCH-based power saving signalling (PDCCH-WUS) at the offset time before the start time of the drx-ondurationTimer corresponding to each long DRX cycle. If PDCCH-WUS is detected and the WUS indicates that the UE is to wake up, the UE starts the drx-ondurationTimer in the Long DRX cycle; if PDCCH-WUS is detected and the WUS indicates that the UE is not to wake up, the UE will not start the drx-ondurationTimer.

[0082] Search space set group (SSSG) switching and PDCCH monitoring skipping

[0083] To further reduce the power consumption of connected terminals, 3GPP has introduced a PDCCH detection adaptation mechanism, including search space set group switching and PDCCH monitoring skipping.

[0084] PDCCH monitoring skipping

[0085] PDCCH-based triggering can be triggered by a DCI field of up to two bits, with the DCI used primarily being standard scheduling DCI. Through DCI triggering, PDCCH detection opportunities with a certain time domain length, known as PDCCH skipping, are ignored. Specific control signaling within PDCCH detection opportunities covered by these time domain lengths will not be detected by the terminal device. The ignored PDCCH detection opportunities are the standard common search space (Type 3 CSS) and the terminal-specific search space (USS).

[0086] The PDCCH skipping duration indicated in the DCI is pre-configured by the higher layer. One PDCCH skipping duration corresponds to a value of the indication field in the corresponding DCI. Multiple different values ​​can indicate different PDCCH skipping durations.

[0087] PDCCH search space switching

[0088] Based on PDCCH triggering, it can also be triggered by a DCI field of up to two bits, and the DCI used is mainly ordinary scheduling DCI.

[0089] The DCI triggers the UE to switch to a specified search space group, also known as a search space set group (SSSG). Two or three SSSGs can be configured. The PDCCH SSSG is pre-configured by higher layers, and each search space can correspond to one or more SSSGs. A PDCCH SSSG corresponds to a value in the corresponding DCI indicator field; multiple different values ​​can indicate different SSSGs.

[0090] When switching to an SSSG other than SSSG0, the terminal device will start a timer. When the terminal device receives a PDCCH on the SSSG, the timer will be restarted. If the timer times out, the UE switches to a specific SSSG (i.e., SSSG 0). In an embodiment of the present application, the specific SSSG0 is a search space that requires intensive PDCCH monitoring, wherein SSSG0 other than SSSG0 (e.g., SSSG1) is an SSSG for sparse PDCCH monitoring. It is understandable that the intensive PDCCH monitoring of SSSG 0 and the sparse PDCCH monitoring of SSSG 0 are relative.

[0091] Connected-state energy-saving technologies are designed for situations where the terminal's main receiver remains always on. These include the DRX mechanism, the WUS mechanism, SSSG handover, and PDCCH skipping. Ultra-low power WUS (LP-WUS) is more energy-efficient than the WUS mechanism, using a lower-power receiver and eliminating the main receiver. The terminal device activates the main receiver to monitor downlink signals only after receiving the LP-WUS, achieving energy savings.

[0092] The operating principle of LP-WUS is shown in Figures 3 and 4. UE 300 includes a main radio (MR) 301 and a low power wake-up receiver (LR) 302. UE 300 receives a wake-up signal (LP-WUS) indicating whether to turn off or on based on LP wake-up receiver 302. As shown in Figure 3, LP wake-up receiver 302 receives a wake-up signal indicating off, while main radio 301 remains off or in deep sleep. As shown in Figure 4, LP wake-up receiver 302 receives a wake-up signal indicating on, and LP wake-up main radio 302 triggers main radio 301 to turn on.

[0093] After the introduction of LP-WUS, its impact on connected UEs needs to be studied. Based on current understanding, the impact of LP-WUS on connected UEs includes the following: LP-WUS is used to resume the UE's MR monitoring of the PDCCH, which may have a certain impact on PDCCH skipping and search space set group switching. For example, when the UE's low-power receiver receives LP-WUS and wakes up the main receiver, if the main receiver is currently in the PDCCH skipping period, the main receiver needs to stop PDCCH skipping and resume PDCCH monitoring, or perform search space set group switching to enable faster reception of base station scheduling signaling.

[0094] So in a carrier aggregation (CA) scenario, how to use LP-WUS to control the UE's PDCCH skipping and search space set group switching behaviors on each serving cell?

[0095] To facilitate understanding of the technical solutions of the embodiments of the present application, the technical solutions of the present application are described in detail below through specific embodiments. The above related technologies can be combined arbitrarily with the technical solutions of the embodiments of the present application as optional solutions, and all of them fall within the scope of protection of the embodiments of the present application. The embodiments of the present application include at least part of the following contents.

[0096] An embodiment of the present application provides a wireless communication method, which is applied to a terminal device, as shown in FIG5 , including:

[0097] S501. The terminal device receives a low-power wake-up signal LP-WUS sent by a network device, and the LP-WUS is used to control the main receiver MR of the terminal device to monitor the physical downlink control channel PDCCH in one or more first service cells. The multiple service cells of the terminal device include the one or more first service cells.

[0098] The low-power wake-up receiver (LR) in the terminal device in the connected state monitors the LP-WUS sent by the network device. When the network device sends the LP-WUS to the terminal device, the LR of the terminal device receives the LP-WUS sent by the network device, and the terminal device controls the MR to monitor the PDCCH on the first service cell among the multiple service cells of the terminal device based on the LP-WUS received by the LR. Here, the LP-WUS can control the monitoring of the PDCCH on one or more first service cells among the multiple service cells of the terminal device.

[0099] It can be understood that the LP-WUS is used to control the MR of the terminal device to monitor the PDCCH on one or more first service cells, which can be replaced by the LP-WUS being used to control the MR of the terminal device to monitor the PDCCH on one or more first service cells.

[0100] In the embodiment of the present application, the multiple serving cells of the terminal device are all the serving cells that the terminal device accesses through carrier aggregation. Carrier aggregation aggregates multiple component carriers (CCs), i.e., carrier units, where different component carriers correspond to different serving cells. The component carriers aggregated by carrier aggregation may include one of the following situations:

[0101] Multiple continuous carrier units within the same bandwidth;

[0102] Multiple non-contiguous carrier units within the same bandwidth;

[0103] Multiple carrier units within different bandwidths.

[0104] The one or more first service cells are part or all of the service cells of the terminal device.

[0105] In one example, the service cells of the terminal device include: cell 1, cell 2, and cell 3. When the terminal device receives LP-WUS, the MR of the terminal device is controlled to monitor the PDCCH in cell 1. Here, cell 1 belongs to the first service cell.

[0106] In one example, the service cells of the terminal device include: cell 1, cell 2, and cell 3. When the terminal device receives LP-WUS, the MR of the terminal device is controlled to monitor the PDCCH in cell 1 and cell 2. Here, cell 1 and cell 2 belong to the first service cell.

[0107] In one example, the service cells of the terminal device include: cell 1, cell 2, and cell 3. When the terminal device receives LP-WUS, the MR of the terminal device is controlled to monitor the PDCCH in cell 1, cell 2, and cell 3. Here, cell 1, cell 2, and cell 3 all belong to the first service cell.

[0108] In an embodiment of the present application, when the terminal device receives the LP-WUS sent by the network device, the MR is controlled based on the received LP-WUS to monitor the PDCCH in one or more first service cells among the multiple service cells of the terminal device. After receiving the LP-WUS, the terminal device controls the monitoring of the PDCCH of the scheduling service in the corresponding first service cell, thereby reducing the service delay while minimizing the power consumption of the terminal device.

[0109] Below, the wireless communication method provided in FIG. 5 of the embodiment of the present application is further described.

[0110] In some embodiments, the one or more first service cells are all or part of one or more second service cells, and the one or more second service cells are multiple service cells of the terminal device or are related to the LP-WUS.

[0111] In an embodiment of the present application, when the terminal device receives LP-WUS, it determines one or more second service cells among the multiple service cells of the terminal device, and determines one or more first service cells based on the one or more second service cells, and uses the one or more first service cells as control objects to control the MR of the terminal device to monitor the PDCCH on the one or more first service cells.

[0112] It can be understood that the one or more second serving cells are the control range for controlling PDCCH monitoring of the LP-WUS, and the one or more first serving cells are the ultimately controlled serving cells based on the control range.

[0113] Optionally, the one or more second service cells are part or all of the multiple service cells of the terminal device.

[0114] In an embodiment of the present application, the one or more second serving cells are multiple serving cells of the terminal device or are related to the LP-WUS.

[0115] Taking one or more second service cells as service cells related to the received LP-WUS among multiple service cells of the terminal device as an example, the terminal device determines one or more second service cells from the multiple service cells of the terminal device based on the received LP-WUS.

[0116] In one example, the serving cells of the terminal device include: cell 1, cell 2 and cell 3, and the second serving cell determined by the terminal device from cell 1, cell 2 and cell 3 based on the received LP-WUS is cell 1.

[0117] In one example, the serving cells of the terminal device include: cell 1, cell 2 and cell 3, then the second serving cells determined by the terminal device from cell 1, cell 2 and cell 3 based on the received LP-WUS include: cell 1, cell 2 and cell 3.

[0118] Taking one or more second service cells as multiple service cells of the terminal device as an example, the terminal device determines that the multiple service cells of the terminal device are multiple second service cells.

[0119] In one example, the serving cells of the terminal device include: cell 1, cell 2 and cell 3, and the second serving cells determined by the terminal device include: cell 1, cell 2 and cell 3.

[0120] It is understandable that, when one or more second service cells are multiple service cells of the terminal device, one or more first service cells can be directly determined from the multiple service cells of the terminal device, while skipping the concept of the second service cell.

[0121] Optionally, the one or more first serving cells are part or all of the serving cells in the one or more second serving cells.

[0122] In an embodiment of the present application, the description of one or more can be replaced by at least one, for example: one or more first service cells can be replaced by at least one first service cell, and for example: one or more second service cells can be replaced by at least one second service cell.

[0123] In some embodiments, the one or more second serving cells include one of the following:

[0124] Case 1: a third serving cell, where the third serving cell is a serving cell that receives the LP-WUS;

[0125] Case 2: one or more serving cells or serving cell groups associated with the third serving cell;

[0126] Case 3: one or more serving cells or serving cell groups associated with the LP-WUS;

[0127] Case 4: one or more serving cells or serving cell groups indicated by the LP-WUS;

[0128] Case 5: Multiple service cells of the terminal device.

[0129] For case 1, when the terminal device receives LP-WUS, the third service cell receiving LP-WUS is used as the control range to determine whether to control MR to monitor PDCCH on the third service cell, that is, to determine whether the third service cell is the first service cell.

[0130] For the second case, when the terminal device receives LP-WUS, it determines the service cell or service cell group associated with the third service cell that receives the LP-WUS, takes the service cell or service cell group associated with the third service cell as the control range, and for each service cell in the service cell or service cell group associated with the third service cell, determines whether to control the MR to monitor the PDCCH on the service cell, that is, determines one or more first service cells in the service cell or service cell group associated with the third service cell.

[0131] Optionally, different service cells among the multiple service cells of the terminal device are associated with one or more service cells or service cell groups, wherein the service cell group associated with the service cell may be a service cell group that has an association relationship with the service cell or a service cell group to which the service cell belongs.

[0132] In one example, service cell 1 is associated with service cell group 1, and service cell 2 is associated with service cell group 2; when the terminal device receives LP-WUS1 on service cell 1, it determines whether to control the MR to monitor the PDCCH on each service cell in service cell group 1, that is, to determine one or more first service cells in service cell group 1; when the terminal device receives LP-WUS2 on service cell 2, it determines whether to control the MR to monitor the PDCCH on each service cell in service cell group 2, that is, to determine one or more first service cells in service cell group 2.

[0133] In the embodiment of the present application, the serving cell or serving cell group associated with the serving cell can be replaced by the serving cell or serving cell group associated with the LP-WUS on the serving cell. Different serving cells are configured with different LP-WUSs, and the serving cell or serving cell group associated with the LP-WUS on the serving cell can be understood as the serving cell or serving cell group associated with the serving cell where the LP-WUS is located.

[0134] In one example, LP-WUS1 is configured on service cell 1, and LP-WUS2 is configured on service cell 2, LP-WUS1 is associated with service cell group 1, and LP-WUS2 is associated with service cell group 2; when the terminal device receives LP-WUS1 on service cell 1, it determines whether to control the MR to monitor the PDCCH on each service cell in service cell group 1, that is, to determine one or more first service cells in service cell group 1; when the terminal device receives LP-WUS2 on service cell 2, it determines whether to control the MR to monitor the PDCCH on each service cell in service cell group 2, that is, to determine one or more first service cells in service cell group 2.

[0135] For situation three, when the terminal device receives LP-WUS, it determines the service cell or service cell group associated with the LP-WUS, takes the service cell or service cell group associated with the LP-WUS as the control range, and for each service cell in the service cell or service cell group associated with the LP-WUS, determines whether to control the MR to monitor the PDCCH on the service cell, that is, determines one or more first service cells in the service cell or service cell group associated with the LP-WUS.

[0136] Optionally, different LP-WUSs among the multiple LP-WUSs of the terminal device are associated with one or more serving cells or serving cell groups.

[0137] In one example, the LP-WUS that the terminal device may receive includes LP-WUS1 and LP-WUS2, and LP-WUS1 and LP-WUS2 can be received from the same service cell, wherein LP-WUS1 is associated with service cell group 1, and LP-WUS2 is associated with service cell 2; if the terminal device receives LP-WUS1, it determines whether to control the MR to monitor the PDCCH on each service cell in service cell group 1, that is, determines one or more first service cells in service cell group 1; if the terminal device receives LP-WUS2, it determines one or more first service cells in service cell group 2.

[0138] In this embodiment of the present application, the serving cell or serving cell group associated with the LP-WUS can be replaced with the serving cell or serving cell group of the LP-WUS monitoring resources of the LP-WUS. Different LP-WUSs correspond to different LP-WUS monitoring resources, and the serving cell or serving cell group associated with the LP-WUS monitoring resources can be understood as the serving cell or serving cell group associated with the LP-WUS.

[0139] Optionally, different LP-WUS monitoring resources are located in the same serving cell / bandwidth part or frequency band.

[0140] In one example, LP-WUS monitoring resource 1 and LP-WUS monitoring resource 2 are located on service cell 1, LP-WUS monitoring resource 1 is associated with service cell group 1, and LP-WUS monitoring resource 2 is associated with service cell group 2; if the terminal device receives LP-WUS1 on LP-WUS monitoring resource 1, the terminal device determines one or more first service cells in service cell group 1; if the terminal device receives LP-WUS2 on LP-WUS monitoring resource 2, the terminal device determines one or more first service cells in service cell group 2.

[0141] For case four, the LP-WUS indication received by the terminal device indicates one or more service cells or service cell groups. The terminal device takes the service cell or service cell group indicated by the LP-WUS as the control range and determines one or more first service cells in the service cell or service cell group indicated by the LP-WUS.

[0142] In one example, the LP-WUS received by the terminal device indicates that there are serving cell 1 and serving cell 2, and the terminal device determines one or more first serving cells in serving cell 1 and serving cell 2.

[0143] In one example, the LP-WUS received by the terminal device indicates that there is a service cell group 1, and the terminal device determines one or more first service cells among the service cells included in the service cell group 1.

[0144] For situation five, when the terminal device receives the LP-WUS, one or more first service cells are determined among all the service cells of the terminal device.

[0145] In some embodiments, for the terminal device, the following is further implemented:

[0146] The terminal device receives LP-WUS configuration information sent by the network device, where the LP-WUS configuration information is used to configure one or more LP-WUS monitoring resources.

[0147] In this embodiment of the present application, the LP-WUS configuration information may be replaced with an LP-WUS monitoring resource configuration, which is used to configure the time domain and / or frequency domain resources for the terminal device to perform LP-WUS monitoring. The terminal device performs LP-WUS monitoring based on the LP-WUS monitoring resources configured by the LP-WUS configuration information sent by the network device.

[0148] The LP-WUS configuration information can configure one or more LP-WUS listening resources. If the LP-WUS configuration information configures one LP-WUS listening resource, the terminal device can only receive one LP-WUS from the network device based on that LP-WUS listening resource. If the LP-WUS configuration information configures multiple LP-WUS listening resources, the terminal device can receive multiple LP-WUS messages from the network device.

[0149] For the above-mentioned case 1, case 2 or case 3, the terminal device receives LP-WUS and may receive multiple different LP-WUS or receive multiple LP-WUS on different service cells. Therefore, the LP-WUS configuration information received by the terminal device configures multiple LP-WUS monitoring resources.

[0150] For the above-mentioned cases 4 and 5, the terminal device receives LP-WUS without distinguishing LP-WUS or distinguishing the service cells receiving LP-WUS. Therefore, the LP-WUS configuration information received by the terminal device can configure one or more LP-WUS monitoring resources.

[0151] In some embodiments, the one or more LP-WUS listening resources are located on one or more serving cells.

[0152] If the LP-WUS configuration information is used to configure one LP-WUS monitoring resource, the one LP-WUS monitoring resource is located on one serving cell.

[0153] If the LP-WUS configuration information is used to configure multiple LP-WUS monitoring resources, the multiple LP-WUS monitoring resources are located on one or more serving cells.

[0154] If multiple LP-WUS monitoring resources are located in one serving cell, the terminal device receives multiple different LP-WUSs in one serving cell.

[0155] If multiple LP-WUS monitoring resources are located on multiple serving cells, the terminal device receives multiple different LP-WUS on the multiple serving cells.

[0156] In some embodiments, if the one or more second serving cells include the third serving cell, the one or more LP-WUS monitoring resources are located on multiple serving cells.

[0157] For case 1, the one or more LP-WUS monitoring resources configured by the terminal device are located on multiple service cells. The terminal device can receive different LP-WUS on different service cells and determine whether the third service cell receiving the LP-WUS is the first service cell.

[0158] In some embodiments, if the one or more second serving cells include one or more serving cells or serving cell groups associated with the third serving cell, the one or more LP-WUS monitoring resources are located on one or more serving cells.

[0159] For case two, the terminal device is configured with one or more LP-WUS monitoring resources on one or more service cells. The terminal device can receive LP-WUS on one or more service cells where the LP-WUS monitoring resources are located, thereby determining one or more first service cells in one or more service cells or service cell groups associated with the third service cell receiving the LP-WUS.

[0160] In some embodiments, if the one or more second serving cells include one or more serving cells or serving cell groups associated with the LP-WUS, the one or more LP-WUS monitoring resources are located on a serving cell or bandwidth part or frequency band.

[0161] For case three, one or more LP-WUS monitoring resources configured by the terminal device are located in a service cell or bandwidth part or frequency band, and the terminal device receives the LP-WUS in a service cell or bandwidth part or frequency band where the LP-WUS monitoring resources are located, and determines one or more first service cells in the one or more service cells or service cell groups associated with the LP-WUS monitoring resources where the LP-WUS is received.

[0162] In some embodiments, if the one or more second serving cells include: one or more serving cells or serving cell groups associated with the third serving cell; the terminal device further implements:

[0163] The terminal device receives first configuration information sent by the network device, where the first configuration information is used to configure a service cell or service cell group associated with each service cell in one or more service cells.

[0164] For the second scenario, the terminal device receives first configuration information from the network device, where the first configuration information is used to configure a service cell or service cell group associated with each of one or more service cells.

[0165] It can be understood that the first configuration information is used to configure a serving cell or a serving cell group associated with an LP-WUS on each serving cell in one or more serving cells.

[0166] In some embodiments, if the one or more second serving cells include: one or more serving cells or serving cell groups associated with the LP-WUS, the terminal device further implements:

[0167] The terminal device receives second configuration information sent by the network device, where the second configuration information is used to configure a serving cell or a serving cell group associated with each LP-WUS in a plurality of LP-WUSs.

[0168] For case three, the second configuration information is used to configure a serving cell or a serving cell group associated with each LP-WUS in a plurality of LP-WUSs.

[0169] In a case where multiple LP-WUS monitoring resources are located in one serving cell or bandwidth part or frequency band, the second configuration information is used to configure a serving cell or serving cell group associated with each of the multiple LP-WUS monitoring resources corresponding to the multiple LP-WUSs, so as to configure a serving cell or serving cell group associated with each of the multiple LP-WUSs.

[0170] In some embodiments, the LP-WUS is used to resume monitoring of the PDCCH by the MR of the terminal device on the one or more first serving cells.

[0171] In the embodiment of the present application, the control method of the terminal device controlling the MR to monitor the PDCCH on one or more first serving cells includes:

[0172] Control method 1: Resume the MR's monitoring of the PDCCH on one or more first serving cells.

[0173] It can be understood that the LP-WUS indicating wake-up is used to resume the monitoring of the PDCCH by the MR of the terminal device on one or more first serving cells.

[0174] In the embodiment of the present application, the LP-WUS may or may not indicate wake-up. The LP-WUS indicating wake-up is used to wake up or resume the MR's monitoring of the PDCCH on one or more first serving cells.

[0175] Optionally, the terminal device receives an LP-WUS that does not indicate wake-up, and maintains the monitoring state of the PDCCH on one or more first serving cells unchanged.

[0176] When the LR of the terminal device receives the LP-WUS indicating wake-up, the LR sends a wake-up indication to the MR, and the MR resumes monitoring of the PDCCH on one or more first serving cells based on the wake-up indication.

[0177] After the MR resumes monitoring of the PDCCH on one or more first serving cells, the terminal device can monitor the PDCCH on one or more first serving cells through the MR.

[0178] The fact that the terminal device can monitor the PDCCH through the MR can be understood as the terminal device being able to monitor the PDCCH based on a certain mechanism (such as the DRX mechanism), but does not mean that the PDCCH is monitored all the time.

[0179] Optionally, the terminal device monitors the PDCCH during the DRX activation period.

[0180] In some embodiments, the LP-WUS indicating wake-up is further used to control the MR to enter an awake state from a sleep state, wherein the MR resumes monitoring of the PDCCH on one or more first serving cells in the awake state.

[0181] The states of MR include an awake state or a sleep state. The awake state can also be replaced by a working state, and the sleep state can also be replaced by a closed state, a light sleep state, or a deep sleep state.

[0182] When the LR of the terminal device receives an LP-WUS indicating wake-up, the LR sends a wake-up indication to the MR. The MR enters the wake-up state from the sleep state based on the received wake-up indication, and resumes monitoring of the PDCCH on one or more first service cells in the wake-up state.

[0183] In some embodiments, at a first time, the terminal device is in a PDCCH skip period on the first service cell, and the first time is the time when the terminal device receives the LP-WUS or the time corresponding to a time offset after the terminal device receives the LP-WUS, and the time offset is the time required for the low power receiver of the terminal device to wake up the main receiver.

[0184] In control mode 1, the one or more first serving cells are part or all of the one or more second serving cells. The one or more second serving cells here may be the one or more second serving cells in any of the above cases 1 to 5.

[0185] For each of the one or more second service cells, the terminal device determines whether the second service cell is in a PDCCH skipping period at the first time; the judgment result is that the terminal device is in a PDCCH skipping period on the second service cell, and the MR of the terminal device resumes monitoring of the PDCCH on the second service, and the second service cell can be considered as the first service cell.

[0186] In one example, the one or more second serving cells include: cell 1. If the terminal device is in a PDCCH skipping period on cell 1 at the first time, the MR resumes monitoring of the PDCCH on cell 1.

[0187] In one example, one or more second service cells include: cell 1, cell 2, cell 3 and cell 4. If at the first time, the terminal device is in a PDCCH skipping period in cell 1 and cell 3, the MR's monitoring of PDCCH in cell 1 and cell 3 is restored.

[0188] In one example, one or more second service cells include: cell 1, cell 2, cell 3 and cell 4. If at the first time, the terminal device is in a PDCCH skipping period on cell 1, cell 2, cell 3 and cell 4, the MR's monitoring of PDCCH on cell 1, cell 2, cell 3 and cell 4 is restored.

[0189] In an embodiment of the present application, if the terminal device is not in a PDCCH skipping period on the second service cell at the first time, the terminal device resumes MR's monitoring of PDCCH on the second service cell based on LP-WUS.

[0190] In an embodiment of the present application, for the second service cell that adopts the PDCCH monitoring skip mechanism, the priority of LP-WUS is greater than the PDCCH monitoring skip mechanism. When the terminal device receives LP-WUS, the second service cell is in the PDCCH skip period. The second service cell can be considered as the first service cell, and the terminal device resumes MR's monitoring of PDCCH on the second service.

[0191] In some embodiments, the LP-WUS is used to control the MR of the terminal device to perform search space set group switching on the one or more first serving cells.

[0192] In the embodiment of the present application, the control method of the terminal device controlling the MR to monitor the PDCCH on one or more first serving cells includes:

[0193] Control method 2: controlling the MR to perform SSSG switching on one or more first serving cells.

[0194] It can be understood that the LP-WUS indicating the awakening is used to control the MR to perform SSSG handover on one or more first serving cells.

[0195] Here, for each of the one or more first serving cells, the MR of the terminal device performs SSSG switching on the serving cell, switching from the current SS or SSSG to the first SS or SSSG.

[0196] For different first serving cells among the multiple first serving cells, the corresponding first SS or SSSG is different.

[0197] In some embodiments, the one or more first serving cells include all of the one or more second serving cells.

[0198] In control mode 2, the terminal device performs SSSG switching on all second service cells included in one or more second service cells in any of cases 1 to 5.

[0199] It can be understood that after the terminal device determines one or more second service cells among the multiple service cells of the terminal device, it performs SSG switching on the determined one or more second service cells. At this time, the first service cell and the second service cell can be considered to have the same definition.

[0200] In some embodiments, if the one or more second service cells include one or more service cell groups associated with the third service cell, the one or more service cell groups associated with the third service cell are the service cell groups to which the third service cell belongs.

[0201] If one or more second serving cells are one or more serving cell groups associated with the third serving cell determined under situation 2, the one or more serving cell groups associated with the third serving cell may be considered to be the serving cell group to which the third serving cell belongs. In this case, the terminal device executes SSSG on all serving cells in the serving cell group to which the third serving cell group belongs.

[0202] In some embodiments, the terminal device further implements:

[0203] The terminal device monitors the PDCCH in a first search space SS or a search space set group SSSG in an activated downlink partial bandwidth DL BWP in the first serving cell based on the LP-WUS.

[0204] For a first serving cell among the one or more first serving cells, after the terminal device performs SSSG switching on the first serving cell, it monitors the PDCCH on the first search space SS or search space set group SSSG on the activated DL BWP of the first serving cell.

[0205] In some embodiments, the first SS or SSSG is one of the following:

[0206] SS or SSSG as agreed in the agreement;

[0207] SS or SSSG indicated by the network device;

[0208] The determination is based on a second SS or SSSG, where the second SS or SSSG is the SS or SSSG of the last PDCCH monitoring before entering the LP-WUS monitoring state.

[0209] For the first serving cell, the second SS or SSSG is the SS or SSSG used by the terminal device for the last PDCCH monitoring on the first serving cell before entering the LP-WUS monitoring state.

[0210] In some embodiments, if the first SS or SSSG is determined based on the second SS or SSSG, the first SS or SSSG is the second SS or SSSG.

[0211] In the wireless communication method provided in the embodiment of the present application, the terminal device may be implemented in the following scenarios, including but not limited to, based on different situations of one or more second serving cells and different control methods for controlling the MR to monitor the PDCCH on one or more first serving cells:

[0212] Scenario 1: The terminal device receives LP-WUS, and the terminal device determines the third service cell for receiving LP-WUS. If the terminal device is in a PDCCH skipping period on the third service cell at the first time, the terminal device resumes MR monitoring of PDCCH on the third service cell.

[0213] Scenario 2: The terminal device receives LP-WUS. For one or more service cells or each service cell in the service cell set associated with the third service cell that receives LP-WUS, if the terminal device is in a PDCCH skipping period on the service cell at the first time, the terminal device resumes MR's monitoring of PDCCH on the service cell.

[0214] Scenario three: The terminal device receives an LP-WUS. For one or more service cells or each service cell in a service cell set associated with the received LP-WUS, if the terminal device is in a PDCCH skipping period on the service cell at the first time, the terminal device resumes MR monitoring of the PDCCH on the service cell.

[0215] Scenario 4: The terminal device receives an LP-WUS. For one or more serving cells or each serving cell in a serving cell set indicated by the received LP-WUS, if the terminal device is in a PDCCH skipping period on the serving cell at the first time, the terminal device resumes MR monitoring of the PDCCH on the serving cell.

[0216] Scenario 5: The terminal device receives LP-WUS. For each of all the service cells of the terminal device, if the terminal device is in a PDCCH skipping period on the service cell at the first time, the terminal device resumes MR monitoring of PDCCH on the service cell.

[0217] Scenario 6: The terminal device receives the LP-WUS, and the terminal device MR performs SSSG switching on the third serving cell that receives the LP-WUS.

[0218] Scenario 7: When the terminal device receives the LP-WUS, the terminal device MR performs SSSG switching on all serving cells in the serving cell set to which the third serving cell receiving the LP-WUS belongs.

[0219] Scenario 8: When the terminal device receives the LP-WUS, the terminal device MR performs SSSG switching on one or more serving cells associated with the received LP-WUS or all serving cells in the serving cell set.

[0220] Scenario 9: When the terminal device receives an LP-WUS, the terminal device MR performs SSSG handover on one or more serving cells or all serving cells in the serving cell set indicated by the received LP-WUS;

[0221] Scenario 10: When the terminal device receives LP-WUS, the terminal device MR performs SSSG switching on all serving cells of the terminal device.

[0222] An embodiment of the present application provides a wireless communication method, applied to a network device, as shown in FIG6 , including:

[0223] S601. The network device sends a low power wake-up signal LP-WUS to the terminal device, where the LP-WUS is used to control the network device to send a physical downlink control channel PDCCH on one or more first service cells, and the multiple service cells of the terminal device include the one or more first service cells.

[0224] The network device sends an LP-WUS to a terminal device in a connected state to control the terminal device's MR's monitoring of the PDCCH on one or more serving cells through the sent LP-WUS, and is also used to control the network device's transmission of the PDCCH on one or more first serving cells. Here, the LP-WUS can control the transmission of the PDCCH on one or more first serving cells among the terminal device's multiple serving cells.

[0225] It can be understood that the LP-WUS is used to control the transmission of the PDCCH on one or more first serving cells, which can be replaced by the LP-WUS is used to control the transmission of the PDCCH on one or more first serving cells.

[0226] In one example, the service cells of the terminal device include: cell 1, cell 2, and cell 3. When the network device sends LP-WUS to the terminal device, it controls the sending of PDCCH on cell 1. Here, cell 1 belongs to the first service cell.

[0227] In one example, the service cells of the terminal device include: cell 1, cell 2, and cell 3. When the network device sends LP-WUS to the terminal device, it controls the sending of PDCCH in cell 1 and cell 2. Here, cell 1 and cell 2 belong to the first service cell.

[0228] In one example, the service cells of the terminal device include: cell 1, cell 2, and cell 3. When the network device sends LP-WUS to the terminal device, it controls the sending of PDCCH in cell 1, cell 2, and cell 3. Here, cell 1, cell 2, and cell 3 all belong to the first service cell.

[0229] In an embodiment of the present application, when a network device sends an LP-WUS to a terminal device, the sending of the PDCCH on one or more first service cells among multiple service cells of the terminal device is controlled based on the sent LP-WUS, so that the network device controls the sending of the PDCCH on the first service cell by sending the LP-WUS, so that the network device can send the LP-WUS according to the service transmission requirements.

[0230] Below, the wireless communication method provided in FIG. 6 of the embodiment of the present application is further described.

[0231] In some embodiments, the one or more first service cells are all or part of one or more second service cells, and the one or more second service cells are multiple service cells of the terminal device or are related to the LP-WUS.

[0232] In an embodiment of the present application, when the network device sends LP-WUS, it determines one or more second service cells among the multiple service cells of the terminal device, and determines one or more first service cells based on the one or more second service cells, and uses the one or more first service cells as control objects to control the sending of PDCCH on the one or more first service cells.

[0233] It can be understood that the one or more second serving cells are the control range of the control PDCCH transmission of the LP-WUS, and the one or more first serving cells are the final controlled serving cells based on the control range.

[0234] Optionally, the one or more second service cells are part or all of the multiple service cells of the terminal device.

[0235] In an embodiment of the present application, the one or more second serving cells are multiple serving cells of the terminal device or are related to the LP-WUS.

[0236] Taking one or more second serving cells as serving cells related to the sent LP-WUS among multiple serving cells of a terminal device as an example, in one example, the serving cells of the terminal device include: cell 1, cell 2, and cell 3, and the second serving cell is cell 1 related to the LP-WUS among cell 1, cell 2, and cell 3. In one example, the serving cells of the terminal device include: cell 1, cell 2, and cell 3, and the second serving cell includes cell 1, cell 2, and cell 3 related to the LP-WUS among cell 1, cell 2, and cell 3.

[0237] Taking one or more second service cells as multiple service cells of a terminal device as an example, in one example, the service cells of the terminal device include: cell 1, cell 2 and cell 3, and the second service cells include: cell 1, cell 2 and cell 3.

[0238] It is understandable that, when one or more second service cells are multiple service cells of the terminal device, one or more first service cells can be directly determined from the multiple service cells of the terminal device, while skipping the concept of the second service cell.

[0239] Optionally, the one or more first serving cells are part or all of the serving cells in the one or more second serving cells.

[0240] In an embodiment of the present application, the description of one or more can be replaced by at least one, for example: one or more first service cells can be replaced by at least one first service cell, and for example: one or more second service cells can be replaced by at least one second service cell.

[0241] In some embodiments, the one or more second serving cells include one of the following:

[0242] Case 1: a third serving cell, where the third serving cell is a serving cell that receives the LP-WUS;

[0243] Case 2: one or more serving cells or serving cell groups associated with the third serving cell;

[0244] Case 3: one or more serving cells or serving cell groups associated with the LP-WUS;

[0245] Case 4: one or more serving cells or serving cell groups indicated by the LP-WUS;

[0246] Case 5: the multiple service cells of the terminal device.

[0247] For case 1, when the network device receives the LP-WUS, it takes the third service cell that sends the LP-WUS as the control range to determine whether to control the sending of PDCCH on the third service cell, that is, to determine whether the third service cell is the first service cell.

[0248] For the second situation, when the network device receives the LP-WUS, it takes the service cell or service cell group associated with the third service cell that sends the LP-WUS, and the service cell or service cell group associated with the third service cell as the control range, and determines whether to control the sending of PDCCH on each service cell in the service cell or service cell group associated with the third service cell, that is, determines one or more first service cells in the service cell or service cell group associated with the third service cell.

[0249] Optionally, different service cells among the multiple service cells of the terminal device are associated with one or more service cells or service cell groups, wherein the service cell group associated with the service cell may be a service cell group that has an association relationship with the service cell or a service cell group to which the service cell belongs.

[0250] In one example, service cell 1 is associated with service cell group 1, and service cell 2 is associated with service cell group 2; the network device sends LP-WUS1 on service cell 1, and determines whether to control the sending of PDCCH on each service cell in service cell group 1, that is, to determine one or more first service cells in service cell group 1; the network device sends LP-WUS2 on service cell 2, and determines whether to control the sending of PDCCH on each service cell in service cell group 2, that is, to determine one or more first service cells in service cell group 2.

[0251] In the embodiment of the present application, the serving cell or serving cell group associated with the serving cell can be replaced by the serving cell or serving cell group associated with the LP-WUS on the serving cell. Different serving cells are configured with different LP-WUSs, and the serving cell or serving cell group associated with the LP-WUS on the serving cell can be understood as the serving cell or serving cell group associated with the serving cell where the LP-WUS is located.

[0252] In one example, service cell 1 is configured with LP-WUS1, and service cell 2 is configured with LP-WUS2, LP-WUS1 is associated with service cell group 1, and LP-WUS2 is associated with service cell group 2; when the network device sends LP-WUS1 on service cell 1, one or more first service cells are service cells determined in service cell group 1; when the network device sends LP-WUS2 on service cell 2, one or more first service cells are service cells determined in service cell group 2.

[0253] For situation three, when the network device sends an LP-WUS, the service cell or service cell group associated with the sent LP-WUS takes the service cell or service cell group associated with the LP-WUS as the control range, and determines whether to control the sending of the PDCCH on the service cell for each service cell in the service cell or service cell group associated with the LP-WUS, that is, one or more first service cells are the service cells associated with the LP-WUS or the service cells in the service cell group.

[0254] Optionally, different LP-WUSs among the multiple LP-WUSs of the terminal device are associated with one or more serving cells or serving cell groups.

[0255] In one example, the LP-WUS that may be sent by the network device includes LP-WUS1 and LP-WUS2, and LP-WUS1 and LP-WUS2 can be sent from the same service cell, wherein LP-WUS1 is associated with service cell group 1, and LP-WUS2 is associated with service cell 2; if the network device sends LP-WUS1, one or more first service cells are determined in service cell group 1; if the network device sends LP-WUS2, one or more first service cells are determined in service cell group 2.

[0256] In this embodiment of the present application, the serving cell or serving cell group associated with the LP-WUS can be replaced with the serving cell or serving cell group of the LP-WUS monitoring resources of the LP-WUS. Different LP-WUSs correspond to different LP-WUS monitoring resources, and the serving cell or serving cell group associated with the LP-WUS monitoring resources can be understood as the serving cell or serving cell group associated with the LP-WUS.

[0257] Optionally, different LP-WUS monitoring resources are located in the same serving cell / bandwidth part or frequency band.

[0258] In one example, LP-WUS monitoring resource 1 and LP-WUS monitoring resource 2 are located on service cell 1, LP-WUS monitoring resource 1 is associated with service cell group 1, and LP-WUS monitoring resource 2 is associated with service cell group 2; if the network device sends LP-WUS1 on LP-WUS monitoring resource 1, one or more first service cells are determined in service cell group 1; if the network device sends LP-WUS2 on LP-WUS monitoring resource 2, one or more first service cells are determined in service cell group 2.

[0259] For situation four, the LP-WUS sent by the network device indicates one or more service cells or service cell groups. The network device uses the service cell or service cell group indicated by the LP-WUS as the control range and determines one or more first service cells in the service cell or service cell group indicated by the LP-WUS.

[0260] In an example, the LP-WUS sent by the network device indicates that there are serving cell 1 and serving cell 2, and one or more first serving cells are determined in serving cell 1 and serving cell 2.

[0261] In one example, the LP-WUS sent by the network device indicates that there is a serving cell group 1, and then one or more first serving cells are determined among the serving cells included in the serving cell group 1.

[0262] For case five, the network device sends an LP-WUS, and then determines one or more first service cells among all service cells of the terminal device.

[0263] In some embodiments, for a network device, further implementation is provided:

[0264] The network device sends LP-WUS configuration information to the terminal device, where the LP-WUS configuration information is used to configure one or more LP-WUS monitoring resources.

[0265] In an embodiment of the present application, the LP-WUS configuration information may be replaced with an LP-WUS monitoring resource configuration, which is used to configure the time domain and / or frequency domain resources for the terminal device to perform LP-WUS monitoring. The terminal device monitors the LP-WUS based on the LP-WUS monitoring resources configured by the LP-WUS configuration information sent by the network device. The network device sends the LP-WUS based on the LP-WUS monitoring resources configured by the LP-WUS configuration information.

[0266] The LP-WUS configuration information can configure one or more LP-WUS listening resources. If the LP-WUS configuration information configures one LP-WUS listening resource, the network device can only send one LP-WUS based on that LP-WUS listening resource. If the LP-WUS configuration information configures multiple LP-WUS listening resources, the network device can send multiple LP-WUS messages to the terminal device.

[0267] For the above-mentioned case 1, case 2, or case 3, the network device sends an LP-WUS and may send multiple different LP-WUSs or send multiple LP-WUSs on different serving cells. Therefore, the LP-WUS configuration information sent by the network device configures multiple LP-WUS monitoring resources.

[0268] For the above-mentioned cases 4 and 5, the network device sends the LP-WUS without distinguishing the LP-WUS or distinguishing the serving cells receiving the LP-WUS. Therefore, the LP-WUS configuration information sent by the network device can configure one or more LP-WUS monitoring resources.

[0269] In some embodiments, the one or more LP-WUS listening resources are located on one or more serving cells.

[0270] If the LP-WUS configuration information is used to configure one LP-WUS monitoring resource, the one LP-WUS monitoring resource is located on one serving cell.

[0271] If the LP-WUS configuration information is used to configure multiple LP-WUS monitoring resources, the multiple LP-WUS monitoring resources are located on one or more serving cells.

[0272] If multiple LP-WUS monitoring resources are located in one serving cell, the network device sends multiple different LP-WUSs in one serving cell.

[0273] If multiple LP-WUS monitoring resources are located on multiple serving cells, the network device sends multiple different LP-WUSs on the multiple serving cells.

[0274] In some embodiments, if the one or more second serving cells include the third serving cell, the one or more LP-WUS monitoring resources are located on multiple serving cells.

[0275] For case 1, the one or more LP-WUS monitoring resources configured by the network device to the terminal device are located on multiple service cells. The network device can send different LP-WUS on different service cells and determine whether the third service cell sending the LP-WUS is the first service cell.

[0276] In some embodiments, if the one or more second serving cells include one or more serving cells or serving cell groups associated with the third serving cell, the one or more LP-WUS monitoring resources are located on one or more serving cells.

[0277] For case two, the one or more LP-WUS monitoring resources configured by the network device to the terminal device are located on one or more service cells. The network device can send LP-WUS on the one or more service cells where the LP-WUS monitoring resources are located, thereby determining one or more first service cells in one or more service cells or service cell groups associated with the third service cell that sends the LP-WUS.

[0278] In some embodiments, if the one or more second serving cells include one or more serving cells or serving cell groups associated with the LP-WUS, the one or more LP-WUS monitoring resources are located on a serving cell or bandwidth part or frequency band.

[0279] For case three, the one or more LP-WUS monitoring resources configured by the network device to the terminal device are located in a service cell or bandwidth part or frequency band, and the network device sends the LP-WUS in the service cell or bandwidth part or frequency band where the LP-WUS monitoring resource is located, and determines one or more first service cells in the one or more service cells or service cell groups associated with the LP-WUS monitoring resource sending the LP-WUS.

[0280] In some embodiments, if the one or more second serving cells include: one or more serving cells or serving cell groups associated with the third serving cell; the network device further implements:

[0281] The network device sends first configuration information to the terminal device, where the first configuration information is used to configure a service cell or a service cell group associated with each service cell in one or more service cells.

[0282] For the second situation, the network device sends first configuration information to the terminal device, where the first configuration information is used to configure a service cell or a service cell group associated with each of one or more service cells.

[0283] It can be understood that the first configuration information is used to configure a serving cell or a serving cell group associated with an LP-WUS on each serving cell in one or more serving cells.

[0284] In some embodiments, if the one or more second serving cells include: one or more serving cells or serving cell groups associated with the LP-WUS, the network device further implements:

[0285] The network device sends second configuration information to the terminal device, where the second configuration information is used to configure a serving cell or a serving cell group associated with each LP-WUS in one or more LP-WUSs.

[0286] For case three, the second configuration information is used to configure a serving cell or a serving cell group associated with each LP-WUS in a plurality of LP-WUSs.

[0287] In a case where multiple LP-WUS monitoring resources are located in one serving cell or bandwidth part or frequency band, the second configuration information is used to configure a serving cell or serving cell group associated with each of the multiple LP-WUS monitoring resources corresponding to the multiple LP-WUSs, so as to configure a serving cell or serving cell group associated with each of the multiple LP-WUSs.

[0288] In some embodiments, the LP-WUS is used to resume transmission of the PDCCH by the network device on the one or more first serving cells.

[0289] In the embodiment of the present application, the network device controls the transmission of the PDCCH on one or more first serving cells by:

[0290] Control method three: resuming the transmission of the PDCCH on one or more first serving cells.

[0291] It can be understood that the LP-WUS indicating the wake-up is used to resume the network device's transmission of the PDCCH on one or more first serving cells.

[0292] In an embodiment of the present application, the LP-WUS may or may not indicate wake-up. For the LP-WUS indicating wake-up, it is used to wake up or resume the terminal device's transmission of PDCCH on one or more first serving cells.

[0293] Optionally, the network device sends an LP-WUS without indicating wake-up, so as to maintain the transmission status of the PDCCH on one or more first serving cells of the network device unchanged.

[0294] After the network device resumes sending the PDCCH on the one or more first serving cells, the network device can send the PDCCH on the one or more first serving cells.

[0295] The network device being able to send the PDCCH can be understood as the network device being able to send the PDCCH based on a certain mechanism (such as a DRX mechanism), but does not mean that the PDCCH is always sent.

[0296] Optionally, the network device sends the PDCCH during the DRX activation period.

[0297] In some embodiments, at a first time, the terminal device is in a PDCCH skip period on the first service cell, and the first time is the time when the terminal device receives the LP-WUS or the time corresponding to a time offset after the terminal device receives the LP-WUS, and the time offset is the time required for the low power receiver of the terminal device to wake up the main receiver.

[0298] In control mode 3, the one or more first serving cells are part or all of the one or more second serving cells. The one or more second serving cells here may be the one or more second serving cells in any of the above cases 1 to 5.

[0299] For each of the one or more second service cells, the network device determines whether the terminal device is in a PDCCH skipping period in the second service cell at the first time; if the judgment result is that the terminal device is in a PDCCH skipping period on the second service cell, the network device resumes sending PDCCH on the second service, and the second service cell can be considered as the first service cell.

[0300] In one example, the one or more second service cells include: cell 1. If at the first time, the terminal device is in a PDCCH skipping period on cell 1, the transmission of PDCCH on cell 1 is resumed.

[0301] In one example, one or more second service cells include: cell 1, cell 2, cell 3 and cell 4. If at the first time, the terminal device is in a PDCCH skipping period on cell 1 and cell 3, the transmission of PDCCH on cell 1 and cell 3 is resumed.

[0302] In one example, one or more second service cells include: cell 1, cell 2, cell 3 and cell 4. If at the first time, the terminal device is in a PDCCH skipping period on cell 1, cell 2, cell 3 and cell 4, the sending of PDCCH on cell 1, cell 2, cell 3 and cell 4 is resumed.

[0303] In an embodiment of the present application, if at the first time, the terminal device is not in a PDCCH skipping period on the second service cell, the network device resumes sending PDCCH on the second service cell based on LP-WUS.

[0304] In an embodiment of the present application, for the second service cell adopting the PDCCH monitoring skip mechanism, the priority of LP-WUS is greater than the PDCCH monitoring skip mechanism. When the network device sends LP-WUS, the second service cell is in the PDCCH skip period. The second service cell can be considered as the first service cell, and the network device resumes sending PDCCH on the second service.

[0305] In some embodiments, the LP-WUS is used to control the network device to perform search space set group switching on the one or more first serving cells.

[0306] In the embodiment of the present application, the network device controls the transmission of the PDCCH on one or more first serving cells by:

[0307] Control method 4: Control to perform SSSG switching on one or more first serving cells.

[0308] It can be understood that the LP-WUS indicating the wake-up is used to control the execution of SSSG handover on one or more first serving cells.

[0309] Here, for each serving cell on the one or more first serving cells, the network device performs SSSG switching on the serving cell, switching from the current SS or SSSG to the first SS or SSSG.

[0310] For different first serving cells among the multiple first serving cells, the corresponding first SS or SSSG is different.

[0311] In some embodiments, the one or more first serving cells include all of the one or more second serving cells.

[0312] The network device performs SSSG handover on all second serving cells included in the one or more second serving cells in any one of Cases 1 to 5.

[0313] It can be understood that after the network device determines one or more second service cells among the multiple service cells of the terminal device, it performs SSG switching on the determined one or more second service cells. At this time, the first service cell and the second service cell can be considered to have the same definition.

[0314] In some embodiments, if the one or more second service cells include one or more service cell groups associated with the third service cell, the one or more service cell groups associated with the third service cell are the service cell groups to which the third service cell belongs.

[0315] If one or more second serving cells are one or more serving cell groups associated with the third serving cell determined under situation 2, the one or more serving cell groups associated with the third serving cell may be considered to be the serving cell group to which the third serving cell belongs. In this case, the terminal device executes SSSG on all serving cells in the serving cell group to which the third serving cell group belongs.

[0316] In some embodiments, the network device further implements:

[0317] The network device sends the PDCCH in a first search space SS or a search space set group SSSG in an activated downlink partial bandwidth DL BWP on the first serving cell based on the LP-WUS.

[0318] For a first serving cell among the one or more first serving cells, after the network device performs SSSG switching on the first serving cell, it sends a PDCCH on a first search space SS or a search space set group SSSG on an activated DL BWP of the first serving cell.

[0319] In some embodiments, the first SS or SSSG is one of the following:

[0320] SS or SSSG as agreed in the agreement;

[0321] SS or SSSG indicated by the network device;

[0322] The determination is based on a second SS or SSSG, where the second SS or SSSG is the SS or SSSG of the last PDCCH monitoring before entering the LP-WUS monitoring state.

[0323] For a first serving cell, the second SS or SSSG is the SS or SSSG used by the terminal device for the last PDCCH monitoring on the first serving cell before entering the LP-WUS monitoring state.

[0324] In some embodiments, if the first SS or SSSG is determined based on the second SS or SSSG, the first SS or SSSG is the second SS or SSSG.

[0325] In the wireless communication method provided in the embodiment of the present application, the network device may be implemented in the following scenarios, including but not limited to, based on different situations of one or more second serving cells and different control methods for controlling the transmission of the PDCCH on one or more first serving cells:

[0326] Scenario 11: The network device sends an LP-WUS, and the network device determines the third service cell to send the LP-WUS. If the terminal device is in a PDCCH skipping period on the third service cell at the first time, the network device resumes sending PDCCH on the third service cell.

[0327] Scenario 12: The network device sends an LP-WUS. For one or more service cells or each service cell in the service cell set associated with the third service cell receiving the LP-WUS, if the terminal device is in a PDCCH skipping period on the service cell at the first time, the network device resumes sending PDCCH on the service cell.

[0328] Scenario 13: The network device sends an LP-WUS. For one or more service cells or each service cell in the service cell set associated with the received LP-WUS, if the terminal device is in a PDCCH skipping period on the service cell at the first time, the network device resumes sending PDCCH on the service cell.

[0329] Scenario 14: The network device sends an LP-WUS. For one or more serving cells or each serving cell in a serving cell set indicated by the received LP-WUS, if the terminal device is in a PDCCH skipping period on the serving cell at the first time, the network device resumes sending the PDCCH on the serving cell.

[0330] Scenario 15: The network device sends LP-WUS. For each of all the service cells of the terminal device, if the terminal device is in a PDCCH skipping period on the service cell at the first time, the network device resumes sending PDCCH on the service cell.

[0331] Scenario 16: The network device sends an LP-WUS, and the network device performs SSSG handover on the third serving cell that sends the LP-WUS.

[0332] Scenario 17: The network device sends an LP-WUS, and the network device performs SSSG handover on all serving cells in the serving cell set to which the third serving cell that sends the LP-WUS belongs.

[0333] Scenario 18: The network device sends an LP-WUS, and the network device performs SSSG handover on one or more serving cells associated with the LP-WUS or all serving cells in the serving cell set.

[0334] Scenario 19: The network device sends an LP-WUS, and the network device performs SSSG handover on one or more serving cells or all serving cells in the serving cell set indicated by the sent LP-WUS;

[0335] Scenario 20: The network device sends LP-WUS, and the network device performs SSSG switching on all serving cells of the terminal device.

[0336] An embodiment of the present application provides a wireless communication method, which is applied to a wireless communication system including a terminal device and a network device, as shown in FIG7 , including:

[0337] S701: The network device sends an LP-WUS to the terminal device.

[0338] S702: The network device controls the transmission of the PDCCH on one or more first serving cells based on the LP-WUS.

[0339] S703: The terminal device controls the MR to monitor the PDCCH on one or more first serving cells based on the LP-WUS.

[0340] It should be noted that, in FIG. 7 , S702 precedes S703 . In practical applications, there is no limitation on the order of executing S702 and S703 .

[0341] In the wireless communication method shown in Figure 7, the implementation on the terminal device side can refer to the description of the wireless communication method on the terminal device side shown in Figure 5, and the implementation on the network device side can refer to the description of the wireless communication method on the network device side shown in Figure 6, which will not be repeated here.

[0342] It can be understood that the network device sends LP-WUS to the terminal device. For the network device side, the LP-WUS is used to control the sending of PDCCH on one or more first service cells. For the terminal device side, the LP-WUS is used to control the MR's monitoring of PDCCH on one or more first service cells.

[0343] The wireless communication method provided in the embodiments of the present application is described below through multiple embodiments.

[0344] Example 1: Using LP-WUS to Control Terminals to Resume PDCCH Monitoring During PDCCH Skipping

[0345] In a Carrier Access (CA) scenario, a UE monitors LP-WUS on multiple serving cells. The LP-WUS received by the UE on a particular serving cell is used to control the UE to resume PDCCH monitoring on that serving cell.

[0346] The specific implementation process is as follows:

[0347] 1. A connected UE receives LP-WUS configuration information from the base station. In a CA scenario, the base station can configure LP-WUS monitoring resources for the UE on multiple serving cells.

[0348] 2. The UE monitors the LP-WUS on each serving cell configured with the LP-WUS based on the base station configuration. If the UE receives the LP-WUS in the first serving cell and the UE is currently in the PDCCH skipping period in the first serving cell, the MR of the UE resumes PDCCH monitoring in the first serving cell.

[0349] Example 2: Using LP-WUS to Control the Terminal to Resume PDCCH Monitoring During PDCCH Skipping

[0350] In a CA scenario, the UE monitors the LP-WUS on one or more serving cells. The LP-WUS received by the UE on a serving cell is used to control the UE to resume PDCCH monitoring on one or more serving cells associated with the LP-WUS.

[0351] The specific implementation process is as follows:

[0352] 1. A connected UE receives LP-WUS configuration information from a base station. In a Carrier Access (CA) scenario, the base station may configure LP-WUS monitoring resources, etc., for the UE on one or more serving cells. Furthermore, for each LP-WUS configured on one or more serving cells, the base station configures a serving cell list or serving cell group associated with the LP-WUS. Each LP-WUS is used to control the UE to resume PDCCH monitoring on all serving cells in the serving cell list or serving cell group associated with the LP-WUS.

[0353] 2. The UE monitors the LP-WUS on each serving cell configured with the LP-WUS based on the base station configuration. If the UE receives the LP-WUS in the first serving cell, assuming that the LP-WUS on the first serving cell is associated with the second serving cell list, then for each serving cell in the second serving cell list, if the UE is currently in the PDCCH skipping period in the serving cell, the MR of the UE resumes PDCCH monitoring in the serving cell.

[0354] Example 3: Using LP-WUS to Control Terminals to Resume PDCCH Monitoring During PDCCH Skipping

[0355] In a CA scenario, the UE monitors LP-WUS on multiple LP-WUS resources. The LP-WUS received by the UE on a certain LP-WUS resource is used to control the UE to resume PDCCH monitoring on one or more serving cells associated with the LP-WUS resource.

[0356] The specific implementation process is as follows:

[0357] 1. A UE in a connected state receives LP-WUS configuration information from a base station. In a CA scenario, the base station may configure multiple LP-WUS monitoring resources for the UE. Unlike embodiment 2, the multiple LP-WUS monitoring resources are located in the same serving cell, the same BWP, or the same frequency band.

[0358] At the same time, for each LP-WUS monitoring resource in the plurality of LP-WUS monitoring resources, the base station configures a serving cell list or serving cell group associated with the LP-WUS monitoring resource. The LP-WUS on each LP-WUS monitoring resource is used to control the UE to resume PDCCH monitoring on all serving cells in the serving cell list or serving cell group associated with the LP-WUS monitoring resource.

[0359] 2. The UE monitors the LP-WUS on each LP-WUS monitoring resource based on the base station configuration. If the UE receives the LP-WUS on the LP-WUS monitoring resource, assuming that the LP-WUS monitoring resource is associated with the second serving cell list, then for each serving cell in the second serving cell list, if the UE is currently in a PDCCH skipping period in the serving cell, the MR of the UE resumes PDCCH monitoring in the serving cell.

[0360] Example 4: Using LP-WUS to Control Terminals to Resume PDCCH Monitoring During PDCCH Skipping

[0361] In the Carrier Access (CA) scenario, the base station uses the LP-WUS to explicitly instruct the UE to resume PDCCH monitoring on one or more serving cells or a group of serving cells. Upon receiving the LP-WUS, the UE resumes PDCCH monitoring on the corresponding serving cell based on the LP-WUS instruction.

[0362] The specific implementation process is as follows:

[0363] 1. A UE in a connected state receives LP-WUS configuration information from a base station, including LP-WUS monitoring resources.

[0364] 2. The UE monitors the LP-WUS on the LP-WUS monitoring resources based on the base station configuration. If the UE receives the LP-WUS, and the LP-WUS explicitly instructs the UE to resume PDCCH monitoring on a serving cell in a PDCCH skipping period in one or more serving cells or serving cell groups, the MR of the UE resumes PDCCH monitoring on the corresponding serving cell in the PDCCH skipping period based on the LP-WUS instruction.

[0365] Example 5: Using LP-WUS to Control Terminals to Resume PDCCH Monitoring During PDCCH Skipping

[0366] In the CA scenario, if the UE receives the LP-WUS, the UE resumes PDCCH monitoring on all serving cells that are currently in the PDCCH skipping period.

[0367] The specific implementation process is as follows:

[0368] 1. A UE in a connected state receives LP-WUS configuration information from a base station, including LP-WUS monitoring resources.

[0369] 2. The UE monitors the LP-WUS on the LP-WUS monitoring resources based on the base station configuration. If the UE receives the LP-WUS, the MR of the UE resumes PDCCH monitoring on all serving cells currently in the PDCCH skipping period.

[0370] Example 6: Using LP-WUS to Control PDCCH Search Space Set Group Switching Solution 1

[0371] In a CA scenario, the UE monitors the LP-WUS on one or more serving cells. The LP-WUS received by the UE on a serving cell is used to control the UE to perform search space set group switching on the serving cell or all serving cells in the serving cell group to which the serving cell belongs.

[0372] The specific implementation process is as follows:

[0373] 1. A connected UE receives LP-WUS configuration information from a base station. In a CA scenario, the base station may configure LP-WUS monitoring resources for the UE on one or more serving cells.

[0374] 2. The UE monitors the LP-WUS on each serving cell configured with the LP-WUS based on the base station configuration. If the UE receives the LP-WUS in the first serving cell, it:

[0375] Method 1: The MR of the UE performs search space set group switching on the first serving cell.

[0376] Method 2: If the base station configures cellGroupsForSwitchList for the UE (i.e., multiple service cells of the UE are grouped, each service cell belongs to one of the cell groups, and the UE performs search space set group switching on a cell group basis), the MR of the UE performs search space set group switching on all service cells of the first service cell group to which the first service cell belongs.

[0377] Among them, for each serving cell in which the search space set group switching is performed above, the UE monitors the PDCCH on the first search space or search space set group on the activated DL BWP on the serving cell (that is, the first search space or search space set group is the target search space or search space set group after the switch), and the first search space or search space set group is agreed upon by the protocol, or configured by the network through a system broadcast message or UE-specific signaling (such as UE-specific RRC message, MAC CE, PDCCH), or determined by a second search space or search space set group (wherein, the second search space or search space set group is the search space or search space set group that the UE most recently or last monitored the PDCCH before entering the LP-WUS listening state, and the UE sets the first search space or search space set group to the second search space or search space set group).

[0378] Example 7: Using LP-WUS to Control PDCCH Search Space Set Group Switching Solution 2

[0379] In a Carrier Access (CA) scenario, the UE monitors LP-WUS on multiple LP-WUS resources. The LP-WUS received by the UE on a particular LP-WUS resource is used to control the UE to perform search space set group switching on one or more serving cells, or all serving cells in one or more serving cell groups, associated with the LP-WUS monitoring resource.

[0380] The specific implementation process is as follows:

[0381] 1. A UE in a connected state receives LP-WUS configuration information from a base station. In a CA scenario, the base station may configure one or more LP-WUS monitoring resources for the UE. Unlike the sixth embodiment, the one or more LP-WUS monitoring resources are located in the same serving cell, the same BWP, or the same frequency band.

[0382] At the same time, for each of the multiple LP-WUS monitoring resources, the base station configures one or more serving cells or one or more serving cell groups associated with the LP-WUS monitoring resource (wherein the serving cell grouping is determined based on the parameter cellGroupsForSwitchList). The LP-WUS on each LP-WUS monitoring resource is used to control the UE to perform search space set group switching on all serving cells in the one or more serving cells or one or more serving cell groups associated with the LP-WUS monitoring resource.

[0383] 2. The UE monitors the LP-WUS on each LP-WUS monitoring resource based on the base station configuration. If the UE receives the LP-WUS on the LP-WUS monitoring resource, assuming that the LP-WUS monitoring resource is associated with one or more second serving cells (groups), then for each serving cell in the one or more second serving cells (groups), the MR of the UE performs search space set group switching on the serving cell.

[0384] Among them, for each serving cell in which the search space set group switching is performed above, the UE monitors the PDCCH on the first search space or search space set group on the activated DL BWP on the serving cell (that is, the first search space or search space set group is the target search space or search space set group after the switch), and the first search space or search space set group is agreed upon by the protocol, or configured by the network through a system broadcast message or UE-specific signaling (such as UE-specific RRC message, MAC CE, PDCCH), or determined by a second search space or search space set group (wherein, the second search space or search space set group is the search space or search space set group that the UE most recently or last monitored the PDCCH before entering the LP-WUS listening state, and the UE sets the first search space or search space set group to the second search space or search space set group).

[0385] Example 8: Using LP-WUS to Control PDCCH Search Space Set Group Switching Solution 3

[0386] In a Carrier Access (CA) scenario, the base station uses the LP-WUS to explicitly instruct the UE to perform search space set group switching on one or more serving cells or serving cell groups. Upon receiving the LP-WUS, the UE performs search space set group switching on the corresponding serving cell based on the LP-WUS instruction.

[0387] The specific implementation process is as follows:

[0388] 1. A UE in a connected state receives LP-WUS configuration information from a base station, including LP-WUS monitoring resources.

[0389] 2. The UE monitors the LP-WUS on the LP-WUS monitoring resources based on the base station configuration. If the UE receives the LP-WUS, and the LP-WUS explicitly instructs the UE to perform search space set group switching on all serving cells in one or more serving cells or serving cell groups (wherein the serving cell grouping is determined according to the parameter cellGroupsForSwitchList), then the MR of the UE performs search space set group switching on the corresponding serving cell based on the LP-WUS indication.

[0390] Among them, for each serving cell in which the search space set group switching is performed above, the UE monitors the PDCCH on the first search space or search space set group on the activated DL BWP on the serving cell (that is, the first search space or search space set group is the target search space or search space set group after the switch), and the first search space or search space set group is agreed upon by the protocol, or configured by the network through a system broadcast message or UE-specific signaling (such as UE-specific RRC message, MAC CE, PDCCH), or determined by a second search space or search space set group (wherein, the second search space or search space set group is the search space or search space set group that the UE most recently or last monitored the PDCCH before entering the LP-WUS listening state, and the UE sets the first search space or search space set group to the second search space or search space set group).

[0391] Example 9: Using LP-WUS to Control PDCCH Search Space Set Group Switching Solution 4

[0392] In the CA scenario, if the UE receives the LP-WUS, the UE performs search space set group switching on all serving cells.

[0393] The specific implementation process is as follows:

[0394] 1. A UE in a connected state receives LP-WUS configuration information from a base station, including LP-WUS monitoring resources.

[0395] 2. The UE monitors the LP-WUS on the LP-WUS monitoring resources based on the base station configuration. If the UE receives the LP-WUS, the MR of the UE performs search space set group switching on all serving cells.

[0396] Among them, for each serving cell in which the search space set group switching is performed above, the UE monitors the PDCCH on the first search space or search space set group on the activated DL BWP on the serving cell (that is, the first search space or search space set group is the target search space or search space set group after the switch), and the first search space or search space set group is agreed upon by the protocol, or configured by the network through a system broadcast message or UE-specific signaling (such as UE-specific RRC message, MAC CE, PDCCH), or determined by a second search space or search space set group (wherein, the second search space or search space set group is the search space or search space set group that the UE most recently or last monitored the PDCCH before entering the LP-WUS listening state, and the UE sets the first search space or search space set group to the second search space or search space set group).

[0397] The present invention discloses a method for controlling a terminal to adjust PDCCH monitoring based on a low-power wake-up signal in a carrier aggregation (CA) scenario. Using this method, a network device can control a UE's MR by sending an LP-WUS to resume PDCCH monitoring on some or all serving cells that are in a PDCCH skipping period, and / or perform search space set group switching on some or all serving cells. This allows the UE to receive base station scheduling as quickly as possible, reducing service latency and improving user experience while balancing terminal energy conservation.

[0398] The preferred embodiments of the present application are described in detail above in conjunction with the accompanying drawings. However, the present application is not limited to the specific details in the above embodiments. Within the technical concept of the present application, the technical solution of the present application can be subjected to a variety of simple modifications, and these simple modifications all fall within the scope of protection of the present application. For example, the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present application will no longer describe the various possible combinations separately. For another example, the various different embodiments of the present application can also be arbitrarily combined, as long as they do not violate the idea of ​​the present application, they should also be regarded as the contents disclosed in the present application. For another example, under the premise of no conflict, the various embodiments and / or the technical features in each embodiment described in the present application can be arbitrarily combined with the prior art, and the technical solution obtained after the combination should also fall within the scope of protection of the present application.

[0399] It should also be understood that in the various method embodiments of the present application, the sequence numbers of the above-mentioned processes do not imply a precedence in 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. In addition, in the embodiments of the present application, the terms "downlink," "uplink," and "sidelink" are used to indicate the transmission direction of signals or data, where "downlink" is used to indicate the first direction of transmission of signals or data from a site to a user equipment in a cell, "uplink" is used to indicate the second direction of transmission of signals or data from a user equipment in a cell to a site, and "sidelink" is used to indicate the third direction of transmission of signals or data from user equipment 1 to user equipment 2. For example, "downlink signal" indicates that the transmission direction of the signal is the first direction. In addition, in the embodiments of the present application, the term "and / or" is merely a description of the association relationship between associated objects, indicating that three relationships can exist. Specifically, A and / or B can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " in this document generally indicates that the associated objects are in an "or" relationship.

[0400] FIG8 is a first schematic diagram of the structure of a terminal device provided in an embodiment of the present application. As shown in FIG8 , the terminal device 800 includes:

[0401] The first communication unit 1001 is configured to receive a low power wake-up signal LP-WUS sent by a network device, and the LP-WUS is used to control the main receiver MR of the terminal device to monitor the physical downlink control channel PDCCH on one or more first service cells, and the multiple service cells of the terminal device include the one or more first service cells.

[0402] In some embodiments, the one or more first service cells are all or part of one or more second service cells, and the one or more second service cells are multiple service cells of the terminal device or are related to the LP-WUS.

[0403] In some embodiments, the one or more second serving cells include one of the following:

[0404] a third serving cell, where the third serving cell is a serving cell that receives the LP-WUS;

[0405] One or more serving cells or serving cell groups associated with the third serving cell;

[0406] One or more serving cells or serving cell groups associated with the LP-WUS;

[0407] One or more serving cells or serving cell groups indicated by the LP-WUS;

[0408] Multiple service cells of the terminal device.

[0409] In some embodiments, the first communication unit 801 is further configured to receive LP-WUS configuration information sent by the network device, where the LP-WUS configuration information is used to configure one or more LP-WUS listening resources.

[0410] In some embodiments, the one or more LP-WUS listening resources are located on one or more serving cells.

[0411] In some embodiments, if the one or more second serving cells include the third serving cell, the multiple LP-WUS monitoring resources are located on multiple serving cells.

[0412] In some embodiments, if the one or more second serving cells include one or more serving cells or serving cell groups associated with the third serving cell, the one or more LP-WUS monitoring resources are located on one or more serving cells.

[0413] In some embodiments, if the one or more second serving cells include one or more serving cells or serving cell groups associated with the LP-WUS, the one or more LP-WUS monitoring resources are located on a serving cell or bandwidth part or frequency band.

[0414] In some embodiments, the first communication unit 801 is further configured to:

[0415] If the one or more second service cells include: one or more service cells or service cell groups associated with the third service cell, the first configuration information sent by the network device is received, and the first configuration information is used to configure the service cells or service cell groups associated with each service cell in the one or more service cells.

[0416] In some embodiments, the first communication unit 801 is further configured to:

[0417] If the one or more second serving cells include: one or more serving cells or serving cell groups associated with the LP-WUS, second configuration information sent by the network device is received, and the second configuration information is used to configure the serving cell or serving cell group associated with each LP-WUS in the one or more LP-WUSs.

[0418] In some embodiments, the LP-WUS is used to resume monitoring of the PDCCH by the MR of the terminal device on the one or more first serving cells.

[0419] In some embodiments, at a first time, the terminal device is in a PDCCH skip period on the first service cell, and the first time is the time when the terminal device receives the LP-WUS or the time corresponding to a time offset after the terminal device receives the LP-WUS, and the time offset is the time required for the low power receiver of the terminal device to wake up the main receiver.

[0420] In some embodiments, the LP-WUS is used to control the MR of the terminal device to perform search space set group switching on the one or more first serving cells.

[0421] In some embodiments, the one or more first serving cells include all of the one or more second serving cells.

[0422] In some embodiments, if the one or more second service cells include one or more service cell groups associated with the third service cell, the one or more service cell groups associated with the third service cell are the service cell groups to which the third service cell belongs.

[0423] In some embodiments, the terminal device 800 further includes:

[0424] The monitoring unit is configured to monitor the PDCCH in a first search space SS or a search space set group SSSG in an activated downlink partial bandwidth DL BWP in the first serving cell based on the LP-WUS.

[0425] In some embodiments, the first SS or SSSG is one of the following:

[0426] SS or SSSG as agreed in the agreement;

[0427] SS or SSSG indicated by the network device;

[0428] The determination is based on a second SS or SSSG, where the second SS or SSSG is the SS or SSSG of the last PDCCH monitoring before entering the LP-WUS monitoring state.

[0429] In some embodiments, if the first SS or SSSG is determined based on the second SS or SSSG, the first SS or SSSG is the second SS or SSSG.

[0430] The first communication unit in the terminal device may be implemented by a transceiver in the terminal device. It is understandable that the monitoring unit in the terminal device may be implemented by a processor in the terminal device.

[0431] FIG9 is a schematic diagram of the structure of a network device according to an embodiment of the present application. As shown in FIG9 , the network device 900 includes:

[0432] The second communication unit 901 is configured to send a low power wake-up signal LP-WUS to the terminal device, where the LP-WUS is used to control the network device to send a physical downlink control channel PDCCH on one or more first service cells, and the multiple service cells of the terminal device include the one or more first service cells.

[0433] In some embodiments, the one or more first service cells are all or part of one or more second service cells, and the one or more second service cells are multiple service cells of the terminal device or are related to the LP-WUS.

[0434] In some embodiments, the one or more second serving cells include one of the following:

[0435] a third serving cell, where the third serving cell is a serving cell that receives the LP-WUS;

[0436] One or more serving cells or serving cell groups associated with the third serving cell;

[0437] One or more serving cells or serving cell groups associated with the LP-WUS;

[0438] One or more serving cells or serving cell groups indicated by the LP-WUS;

[0439] The multiple service cells of the terminal device.

[0440] In some embodiments, the second communication unit 901 is further configured to send LP-WUS configuration information to the terminal device, where the LP-WUS configuration information is used to configure one or more LP-WUS listening resources.

[0441] In some embodiments, the one or more LP-WUS listening resources are located on one or more serving cells.

[0442] In some embodiments, if the one or more second serving cells include the third serving cell, the multiple LP-WUS monitoring resources are located on multiple serving cells.

[0443] In some embodiments, if the one or more second serving cells include one or more serving cells or serving cell groups associated with the third serving cell, the one or more LP-WUS monitoring resources are located on one or more serving cells.

[0444] In some embodiments, if the one or more second serving cells include one or more serving cells or serving cell groups associated with the LP-WUS, the one or more LP-WUS monitoring resources are located on a serving cell or bandwidth part or frequency band.

[0445] In some embodiments, the second communication unit 901 is further configured to:

[0446] If the one or more second service cells include: one or more service cells or service cell groups associated with the third service cell, first configuration information is sent to the terminal device, and the first configuration information is used to configure the service cells or service cell groups associated with each service cell in the one or more service cells.

[0447] In some embodiments, the second communication unit 901 is further configured to:

[0448] If the one or more second service cells include: one or more service cells or service cell groups associated with the LP-WUS, second configuration information is sent to the terminal device, and the second configuration information is used to configure the service cell or service cell group associated with each LP-WUS in the one or more LP-WUS.

[0449] In some embodiments, the LP-WUS is used to resume transmission of the PDCCH by the network device on the one or more first serving cells.

[0450] In some embodiments, at a first time, the terminal device is in a PDCCH skip period on the first service cell, and the first time is the time when the terminal device receives the LP-WUS or the time corresponding to a time offset after the terminal device receives the LP-WUS, and the time offset is the time required for the low power receiver of the terminal device to wake up the main receiver.

[0451] In some embodiments, the LP-WUS is used to control the network device to perform search space set group switching on the one or more first serving cells.

[0452] In some embodiments, the one or more first serving cells include all of the one or more second serving cells.

[0453] In some embodiments, if the one or more second service cells include one or more service cell groups associated with the third service cell, the one or more service cell groups associated with the third service cell are the service cell groups to which the third service cell belongs.

[0454] In some embodiments, the second communication unit is further configured to send a PDCCH in a first search space SS or a search space set group SSSG in an activated downlink partial bandwidth DL BWP on the first serving cell based on the LP-WUS.

[0455] In some embodiments, the first SS or SSSG is one of the following:

[0456] SS or SSSG as agreed in the agreement;

[0457] SS or SSSG indicated by the network device;

[0458] The determination is based on a second SS or SSSG, where the second SS or SSSG is the SS or SSSG of the last PDCCH monitoring before entering the LP-WUS monitoring state.

[0459] In some embodiments, if the first SS or SSSG is determined based on the second SS or SSSG, the first SS or SSSG is the second SS or SSSG.

[0460] The second communication unit in the network device may be implemented by a transceiver in the network device. It is understood that the network device may further include a determination unit for determining the LP-WUS. The determination unit may be implemented by a processor in the network device.

[0461] Those skilled in the art should understand that the relevant description of the above-mentioned terminal equipment or network equipment in the embodiments of the present application can be understood by referring to the relevant description of the wireless communication method in the embodiments of the present application.

[0462] Figure 10 is a schematic diagram of a communication device 1000 provided in an embodiment of the present application. The communication device can be a terminal device or a network device. The communication device 1000 shown in Figure 10 includes a processor 1010, which can call and execute a computer program from a memory to implement the method in the embodiment of the present application.

[0463] Optionally, as shown in FIG10 , the communication device 1000 may further include a memory 1020. The processor 1010 may call and execute a computer program from the memory 1020 to implement the method in the embodiment of the present application.

[0464] The memory 1020 may be a separate device independent of the processor 1010 , or may be integrated into the processor 1010 .

[0465] Optionally, as shown in FIG10 , the communication device 1000 may further include a transceiver 1030 , and the processor 1010 may control the transceiver 1030 to communicate with other devices, specifically, to send information or data to other devices, or to receive information or data sent by other devices.

[0466] The transceiver 1030 may include a transmitter and a receiver. The transceiver 1030 may further include an antenna, and the number of antennas may be one or more.

[0467] Optionally, the communication device 1000 may specifically be a network device in an embodiment of the present application, and the communication device 1000 may implement the corresponding processes implemented by the network device in each method in the embodiment of the present application. For the sake of brevity, they will not be repeated here.

[0468] Optionally, the communication device 1000 may specifically be a mobile terminal / terminal device of an embodiment of the present application, and the communication device 1000 may implement the corresponding processes implemented by the mobile terminal / terminal device in each method of the embodiment of the present application. For the sake of brevity, they will not be repeated here.

[0469] Figure 11 is a schematic structural diagram of a chip according to an embodiment of the present application. The chip 1100 shown in Figure 11 includes a processor 1110, which can call and run a computer program from a memory to implement the method according to the embodiment of the present application.

[0470] Optionally, as shown in FIG11 , the chip 1100 may further include a memory 1120. The processor 1110 may call and execute a computer program from the memory 1120 to implement the method in the embodiment of the present application.

[0471] The memory 1120 may be a separate device independent of the processor 1110 , or may be integrated into the processor 1110 .

[0472] Optionally, the chip 1100 may further include an input interface 1130. The processor 1110 may control the input interface 1130 to communicate with other devices or chips, and specifically, may obtain information or data sent by other devices or chips.

[0473] Optionally, the chip 1100 may further include an output interface 1140. The processor 1110 may control the output interface 1140 to communicate with other devices or chips, and specifically, may output information or data to other devices or chips.

[0474] Optionally, the chip can be applied to the network device in the embodiments of the present application, and the chip can implement the corresponding processes implemented by the network device in each method of the embodiments of the present application. For the sake of brevity, they will not be repeated here.

[0475] Optionally, the chip can be applied to the mobile terminal / terminal device in the embodiments of the present application, and the chip can implement the corresponding processes implemented by the mobile terminal / terminal device in the various methods of the embodiments of the present application. For the sake of brevity, they will not be repeated here.

[0476] It should be understood that the chip mentioned in the embodiments of the present application can also be called a system-level chip, a system chip, a chip system or a system-on-chip chip, etc.

[0477] FIG12 is a schematic block diagram of a communication system 1200 provided in an embodiment of the present application. As shown in FIG12 , the communication system 1200 includes a terminal device 1210 and a network device 1220 .

[0478] Among them, the terminal device 1210 can be used to implement the corresponding functions implemented by the terminal device in the above method, and the network device 1220 can be used to implement the corresponding functions implemented by the network device in the above method. For the sake of brevity, they are not repeated here.

[0479] It should be understood that the processor of the embodiments of the present application may be an integrated circuit chip with signal processing capabilities. During implementation, each step of the above method embodiment can be completed by hardware integrated logic circuits in the processor or software instructions. The above processor can be a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field programmable gate array (FPGA), or other programmable logic devices, discrete gate or transistor logic devices, or discrete hardware components. The various methods, steps, and logic block diagrams disclosed in the embodiments of the present application can be implemented or executed. The general-purpose processor can be a microprocessor or any conventional processor. The steps of the method disclosed in the embodiments of the present application can be directly embodied as being executed by a hardware decoding processor, or can be executed by a combination of hardware and software modules in the decoding processor. The software module can be located in a storage medium mature in the art, such as random access memory, flash memory, read-only memory, programmable read-only memory, electrically erasable programmable memory, registers, etc. The storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.

[0480] It is understood that the memory in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memories. Among them, the non-volatile memory may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), or a flash memory. The volatile memory may be a random access memory (RAM), which is used as an external cache. By way of example and not limitation, many forms of RAM are available, such as static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (SDRAM), double data rate synchronous dynamic random access memory (DDR SDRAM), enhanced synchronous dynamic random access memory (ESDRAM), synchronous link dynamic random access memory (SLDRAM), and direct RAM bus random access memory (DR RAM). It should be noted that the memory of the systems and methods described herein is intended to include, but is not limited to, these and any other suitable types of memory.

[0481] It should be understood that the above-mentioned memories are exemplary but not restrictive. For example, the memories in the embodiments of the present application may also be static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (SDRAM), double data rate synchronous dynamic random access memory (DDR SDRAM), enhanced synchronous dynamic random access memory (ESDRAM), synchronous link dynamic random access memory (SLDRAM), and direct RAM RAM (DR RAM), etc. In other words, the memories in the embodiments of the present application are intended to include, but are not limited to, these and any other suitable types of memories.

[0482] An embodiment of the present application also provides a computer-readable storage medium for storing a computer program.

[0483] Optionally, the computer-readable storage medium can be applied to the network device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of the present application. For the sake of brevity, they are not repeated here.

[0484] Optionally, the computer-readable storage medium can be applied to the mobile terminal / terminal device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the mobile terminal / terminal device in the various methods of the embodiments of the present application. For the sake of brevity, they will not be repeated here.

[0485] An embodiment of the present application also provides a computer program product, including computer program instructions.

[0486] Optionally, the computer program product can be applied to the network device in the embodiments of the present application, and the computer program instructions enable the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of the present application. For the sake of brevity, they are not repeated here.

[0487] Optionally, the computer program product can be applied to the mobile terminal / terminal device in the embodiments of the present application, and the computer program instructions enable the computer to execute the corresponding processes implemented by the mobile terminal / terminal device in the various methods of the embodiments of the present application. For the sake of brevity, they will not be repeated here.

[0488] The embodiment of the present application also provides a computer program.

[0489] Optionally, the computer program can be applied to the network device in the embodiments of the present application. When the computer program runs on a computer, the computer executes the corresponding processes implemented by the network device in the various methods of the embodiments of the present application. For the sake of brevity, they are not described here.

[0490] Optionally, the computer program can be applied to the mobile terminal / terminal device in the embodiments of the present application. When the computer program runs on the computer, the computer executes the corresponding processes implemented by the mobile terminal / terminal device in the various methods of the embodiments of the present application. For the sake of brevity, they will not be repeated here.

[0491] Those skilled in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this application.

[0492] Those skilled in the art will clearly understand that, for the convenience and brevity of description, the specific working processes of the systems, devices and units described above can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0493] 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.

[0494] 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.

[0495] 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.

[0496] If the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application, or the part that contributes to the prior art, or the part of the technical solution, can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes several instructions for enabling a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.

[0497] 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 the present application should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be based on the scope of protection of the claims.

Claims

1. A wireless communication method, the method comprises: A terminal device receives a low-power wake-up signal LP-WUS sent by a network device, where the LP-WUS is used to control the main receiver MR of the terminal device to monitor a physical downlink control channel PDCCH on one or more first serving cells, and multiple serving cells of the terminal device include the one or more first serving cells.

2. The method according to claim 1, wherein, The one or more first serving cells are all or part of the serving cells in one or more second serving cells, and the one or more second serving cells are related to multiple serving cells of the terminal device or related to the LP-WUS.

3. The method according to claim 2, wherein, The one or more second serving cells include one of the following: A third serving cell, where the third serving cell is the serving cell that receives the LP-WUS; One or more serving cells or serving cell groups associated with the third serving cell; One or more serving cells or serving cell groups associated with the LP-WUS; One or more serving cells or serving cell groups indicated by the LP-WUS; Multiple serving cells of the terminal device.

4. The method according to claim 3, wherein, The method further comprises: The terminal device receives LP-WUS configuration information sent by the network device, where the LP-WUS configuration information is used to configure one or more LP-WUS monitoring resources.

5. The method according to claim 4, wherein, The one or more LP-WUS monitoring resources are located on one or more serving cells.

6. The method according to claim 5, wherein, If the one or more second serving cells include the third serving cell, the one or more LP-WUS monitoring resources are located on multiple serving cells.

7. The method according to claim 5, wherein, If the one or more second serving cells include one or more serving cells or serving cell groups associated with the third serving cell, the one or more LP-WUS monitoring resources are located on one or more serving cells.

8. The method according to claim 4, wherein, If the one or more second serving cells include one or more serving cells or serving cell groups associated with the LP-WUS, the one or more LP-WUS monitoring resources are located on one serving cell or a bandwidth part or a frequency band.

9. The method according to any one of claims 3 to 5, 7, wherein, If the one or more second serving cells include: one or more serving cells or serving cell groups associated with the third serving cell; the method further comprises: The terminal device receives first configuration information sent by the network device, where the first configuration information is used to configure serving cells or serving cell groups associated with each serving cell in one or more serving cells.

10. The method according to any one of claims 3 to 5, 8, wherein, If the one or more second serving cells include: one or more serving cells or serving cell groups associated with the LP-WUS, the method further includes: The terminal device receives second configuration information sent by the network device, where the second configuration information is used to configure serving cells or serving cell groups associated with each LP-WUS in one or more LP-WUSs.

11. The method according to any one of claims 2 to 10, wherein, The LP-WUS is used to resume the terminal device's MR from listening for PDCCH on the one or more first serving cells.

12. The method according to claim 11, wherein, At a first time, the terminal device is in a PDCCH skip period on the first serving cell, and the first time is the time when the terminal device receives the LP-WUS or the time corresponding to a time offset after the terminal device receives the LP-WUS, and the time offset is the time required for the terminal device's low-power receiver to wake up the main receiver.

13. The method according to any one of claims 2 to 10, wherein, The LP-WUS is used to control the terminal device's MR to perform a search space set group switch on the one or more first serving cells.

14. The method according to claim 13, wherein, The one or more first serving cells include all serving cells in the one or more second serving cells.

15. The method according to claim 13 or 14, wherein, If the one or more second serving cells include one or more serving cell groups associated with the third serving cell, the one or more serving cell groups associated with the third serving cell are the serving cell groups to which the third serving cell belongs.

16. The method according to any one of claims 13 to 15, wherein, The method further includes: The terminal device listens for PDCCH on a first search space SS or a search space set group SSSG on an active downlink partial bandwidth DL BWP on the first serving cell based on the LP-WUS.

17. The method according to claim 16, wherein, The first SS or SSSG is one of the following: An SS or SSSG agreed upon by the protocol; The SS or SSSG indicated by the network device; Determined based on a second SS or SSSG, where the second SS or SSSG is the SS or SSSG of the last PDCCH listening before entering the LP-WUS listening state.

18. The method according to claim 17, wherein, If the first SS or SSSG is determined based on the second SS or SSSG, the first SS or SSSG is the second SS or SSSG.

19. A wireless communication method, the method includes: The network device sends a low-power wake-up signal LP-WUS to the terminal device, where the LP-WUS is used to control the network device to send a physical downlink control channel PDCCH on one or more first serving cells, and the multiple serving cells of the terminal device include the one or more first serving cells.

20. The method according to claim 19, wherein, the one or more first serving cells are all or part of the one or more second serving cells, and the one or more second serving cells are multiple serving cells of the terminal device or are related to the LP-WUS.

21. The method according to claim 20, wherein, the one or more second serving cells include one of the following: a third serving cell, which is a serving cell that receives the LP-WUS; one or more serving cells or serving cell groups associated with the third serving cell; one or more serving cells or serving cell groups associated with the LP-WUS; one or more serving cells or serving cell groups indicated by the LP-WUS; the multiple serving cells of the terminal device.

22. The method according to claim 21, wherein, the method further includes: the network device sends LP-WUS configuration information to the terminal device, and the LP-WUS configuration information is used to configure one or more LP-WUS listening resources.

23. The method according to claim 22, wherein, the one or more LP-WUS listening resources are located on one or more serving cells.

24. The method according to claim 23, wherein, if the one or more second serving cells include the third serving cell, the one or more LP-WUS listening resources are located on multiple serving cells.

25. The method according to claim 23, wherein, if the one or more second serving cells include one or more serving cells or serving cell groups associated with the third serving cell, the one or more LP-WUS listening resources are located on one or more serving cells.

26. The method according to claim 22, wherein, if the one or more second serving cells include one or more serving cells or serving cell groups associated with the LP-WUS, the one or more LP-WUS listening resources are located on one serving cell or a bandwidth part or a frequency band.

27. The method according to any one of claims 21 to 23, 25, wherein, if the one or more second serving cells include: one or more serving cells or serving cell groups associated with the third serving cell; the method further includes: the network device sends first configuration information to the terminal device, and the first configuration information is used to configure the serving cells or serving cell groups associated with each serving cell in one or more serving cells.

28. The method according to any one of claims 21 to 23, 26, wherein, if the one or more second serving cells include: one or more serving cells or serving cell groups associated with the LP-WUS, the method further includes: the network device sends second configuration information to the terminal device, and the second configuration information is used to configure the serving cells or serving cell groups associated with each LP-WUS in one or more LP-WUSs.

29. The method according to any one of claims 20 to 28, wherein, The LP-WUS is used to resume the transmission of PDCCH by the network device on the one or more first serving cells.

30. The method according to claim 29, wherein, at a first time, the terminal device is in a PDCCH skipping period on the first serving cell, and the first time is the time when the terminal device receives the LP-WUS or the time corresponding to a time offset after the terminal device receives the LP-WUS, and the time offset is the time required for the low-power receiver of the terminal device to wake up the main receiver.

31. The method according to any one of claims 20 to 28, wherein, the LP-WUS is used to control the network device to perform a search space set group switch on the one or more first serving cells.

32. The method according to claim 31, wherein, the one or more first serving cells include all the serving cells in the one or more second serving cells.

33. The method according to claim 31 or 32, wherein, if the one or more second serving cells include one or more serving cell groups associated with the third serving cell, the one or more serving cell groups associated with the third serving cell are the serving cell groups to which the third serving cell belongs.

34. The method according to any one of claims 31 to 33, wherein, the method further includes: the network device, based on the LP-WUS, transmits PDCCH on a first search space SS or a search space set group SSSG on an active downlink partial bandwidth DL BWP on the first serving cell.

35. The method according to claim 34, wherein, the first SS or SSSG is one of the following: an SS or SSSG agreed upon by the protocol; an SS or SSSG indicated by the network device; determined based on a second SS or SSSG, and the second SS or SSSG is the SS or SSSG of the last PDCCH monitoring before entering the LP-WUS listening state.

36. The method according to claim 35, wherein, if the first SS or SSSG is determined based on the second SS or SSSG, the first SS or SSSG is the second SS or SSSG.

37. A terminal device, comprising: a first communication unit configured to receive a low-power wake-up signal LP-WUS sent by a network device, where the LP-WUS is used to control the main receiver MR of the terminal device to monitor a physical downlink control channel PDCCH on one or more first serving cells, and the multiple serving cells of the terminal device include the one or more first serving cells.

38. A network device, comprising: a second communication unit configured to send a low-power wake-up signal LP-WUS to a terminal device, where the LP-WUS is used to control the network to monitor a physical downlink control channel PDCCH on one or more first serving cells, and the multiple serving cells of the terminal device include the one or more first serving cells.

39. A terminal device, comprising: A processor and a memory, the memory being used for storing a computer program, the processor being used for calling and running the computer program stored in the memory, and executing the method according to any one of claims 1 to 18.

40. A network device, comprising: A processor and a memory, the memory being used for storing a computer program, the processor being used for calling and running the computer program stored in the memory, and executing the method according to any one of claims 19 to 36.

41. A chip, comprising: A processor, configured to call and run a computer program from a memory, so that a device installed with the chip executes the method according to any one of claims 1 to 18, or executes the method according to any one of claims 19 to 36.

42. A computer-readable storage medium for storing a computer program, the running of the computer program causing a computer to execute the method according to any one of claims 1 to 18, or execute the method according to any one of claims 19 to 36.

43. A computer program product comprising computer program instructions, the running of the computer program instructions causing a computer to execute the method according to any one of claims 1 to 18, or execute the method according to any one of claims 19 to 36.

44. A computer program, the running of the computer program causing a computer to execute the method according to any one of claims 1 to 18, or execute the method according to any one of claims 19 to 36.

Images