Wireless communication method and apparatus, device, and storage medium

Abstract

The present application relates to the technical field of communications, and provides a wireless communication method and apparatus, a device, and a storage medium. The method comprises: a terminal device sending an uplink wake-up signal, a manner in which the uplink wake-up signal is sent being determined on the basis of at least one of the following: a capability of the terminal device, a channel quality measurement result of the terminal device in a serving cell or a camped cell (410). The method allows for a manner in which an uplink wake-up signal is sent to be determined according to channel quality. For example, when channel quality is good, a low-power transmitter is used to send the uplink wake-up signal, thereby reducing terminal device energy consumption; and when channel quality is poor, a main transmitter is used to send the uplink wake-up signal, thereby ensuring signal transmission reliability.

Description

Wireless communication method, apparatus, device, and storage medium TECHNICAL FIELD

[0001] Embodiments of the present application relate to the technical field of communication, and in particular, relate to a wireless communication method, apparatus, device, and storage medium. BACKGROUND

[0002] The terminal device can listen to the downlink wake-up signal through a low-power receiver and / or transmit the uplink wake-up signal through a low-power transmitter, so as to save the energy consumption of the terminal device.

[0003] However, the specific manner of implementing the listening to the downlink wake-up signal and / or the transmission of the uplink wake-up signal based on the low-power receiver and the low-power transmitter of the terminal device still needs further research.

[0004] SUMMARY

[0005] Embodiments of the present application provide a wireless communication method, apparatus, device, and storage medium. The technical solutions provided by the embodiments of the present application are as follows:

[0006] According to an aspect of the embodiments of the present application, a wireless communication method is provided, the method is performed by a terminal device, and the method comprises:

[0007] transmitting an uplink wake-up signal, and the transmission manner of the uplink wake-up signal is determined based on at least one of the following: the capability of the terminal device, and the channel quality measurement result of the terminal device on a serving cell or a camped cell.

[0008] According to an aspect of the embodiments of the present application, a wireless communication method is provided, the method is performed by a terminal device, and the terminal device has a main receiver and a low-power receiver; the method comprises:

[0009] determining the start-stop condition of the low-power receiver based on the type of the low-power receiver; wherein different types of low-power receivers correspond to different start-stop conditions.

[0010] According to an aspect of the embodiments of the present application, a wireless communication apparatus is provided, the apparatus comprises:

[0011] a transmitting module, configured to transmit an uplink wake-up signal, and the transmission manner of the uplink wake-up signal is determined based on at least one of the following: the capability of the terminal device, and the channel quality measurement result of the terminal device on a serving cell or a camped cell.

[0012] According to an aspect of the embodiments of the present application, a wireless communication apparatus is provided, the apparatus is arranged on a terminal device, and the terminal device has a main receiver and a low-power receiver; the apparatus comprises:

[0013] a processing module, configured to determine a start-stop condition of the low-power receiver based on a type of the low-power receiver, wherein different types of low-power receivers correspond to different start-stop conditions.

[0014] According to an aspect of some embodiments of the present application, a terminal device is provided, which comprises a processor and a memory, the memory storing a computer program, and the processor executes the computer program to implement the wireless communication method.

[0015] According to an aspect of some embodiments of the present application, a computer readable storage medium is provided, which stores a computer program, and the computer program is configured to be executed by a processor to implement the wireless communication method.

[0016] According to an aspect of some embodiments of the present application, a chip is provided, which comprises a programmable logic circuit and / or program instructions, and when the chip is running, the programmable logic circuit and / or program instructions are configured to implement the wireless communication method.

[0017] According to an aspect of some embodiments of the present application, a computer program product is provided, which comprises computer instructions stored in a computer readable storage medium, and a processor reads and executes the computer instructions from the computer readable storage medium to implement the wireless communication method.

[0018] The technical solutions provided by the embodiments of the present application can have the following beneficial effects:

[0019] On the one hand, the sending mode of the uplink wake-up signal can be flexibly determined based on the capability of the terminal device and / or the channel quality measurement result of the terminal device. On the other hand, the sending mode of the uplink wake-up signal can be determined according to the channel quality, such as when the channel quality is good, the low-power transmitter is used to send the uplink wake-up signal to save the energy consumption of the terminal device; when the channel quality is poor, the main transmitter is used to send the uplink wake-up signal to ensure the reliability of signal transmission. BRIEF DESCRIPTION OF DRAWINGS

[0020] FIG. 1 is a schematic diagram of a network architecture provided by an embodiment of the present application;

[0021] FIG. 2 is a schematic diagram of the working principle of LP-WUS provided by an embodiment of the present application;

[0022] FIG. 3 is a schematic diagram of the working principle of LP-WUS provided by another embodiment of the present application;

[0023] FIG. 4 is a flowchart of a wireless communication method provided by an embodiment of the present application;

[0024] FIG. 5 is a flow chart of a method of wireless communication according to another embodiment of the present application;

[0025] FIG. 6 is a block diagram of a wireless communication device according to an embodiment of the present application;

[0026] FIG. 7 is a block diagram of a wireless communication device according to another embodiment of the present application;

[0027] FIG. 8 is a block diagram of a terminal device according to an embodiment of the present application. DETAILED DESCRIPTION

[0028] In order to make the objects, technical solutions and advantages of the present application clearer, the following will further describe the embodiments of the present application with reference to the accompanying drawings.

[0029] The network architecture and service scenarios described in the embodiments of the present application are for more clearly illustrating the technical solutions of the embodiments of the present application, and do not constitute a limitation on the technical solutions provided by the embodiments of the present application. Those skilled in the art can know that, with the evolution of network architecture and the appearance of new service scenarios, the technical solutions provided by the embodiments of the present application are also applicable to similar technical problems.

[0030] The technical solutions of this application embodiment can be applied to various communication systems, such as: Global System for Mobile communication (GSM) system, Code Division Multiple Access (CDMA) system, Wideband Code Division Multiple Access (WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (LTE) system, Advanced Long Term Evolution (LTE-A) system, New Radio (NR) system, evolution system of NR system, LTE-based access to unlicensed spectrum (LTE-U) system, NR-based access to unlicensed spectrum (NR-U) system, Non-Terrestrial Networks (NTN) system, Universal Mobile Telecommunication System (UMTS), Wireless Local Area Networks (WLAN), Wireless Fidelity (WiFi), and 5G (5G) communication. th -Generation, 5G) system, B5G (Beyond 5G) system, sixth-generation communication (6 th -Generation, 6G) systems or other communication systems, etc.

[0031] Traditional communication systems typically support a limited number of connections and are easy to implement. However, with the development of communication technology, mobile communication systems will not only support traditional communication but also, for example, device-to-device (D2D) communication, machine-to-machine (M2M) communication, machine-type communication (MTC), vehicle-to-vehicle (V2V) communication, or vehicle-to-everything (V2X) communication. The embodiments of this application can also be applied to these communication systems.

[0032] The communication system in the embodiments of the present application can be applied to a carrier aggregation (CA) scenario, can also be applied to a dual connectivity (DC) scenario, and can also be applied to a standalone (SA) network deployment scenario.

[0033] The communication system in the embodiments of the present application can be applied to an unlicensed spectrum, which can also be regarded as a shared spectrum, or can also be applied to a licensed spectrum, which can also be regarded as a non-shared spectrum.

[0034] The embodiments of the present application can be applied to a non-terrestrial network (NTN) system, and can also be applied to a terrestrial network (TN) system. The NTN generally adopts a satellite communication mode to provide communication services to ground users. The NTN system currently includes an NR-NTN and an IoT-NTN system, and can also include other NTN systems in the future.

[0035] Please refer to FIG. 1, which shows a schematic diagram of a network architecture 100 provided by an embodiment of the present application. The network architecture 100 can include a terminal device 10, an access network device 20, and a core network element 30.

[0036] The terminal device 10 can refer to a UE (User Equipment), an access terminal, a user unit, a user station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a wireless communication device, a user agent, or a user apparatus. In some embodiments, the terminal device 10 can also be a cellular phone, a cordless phone, a SIP (Session Initiation Protocol) phone, a WLL (Wireless Local Loop) station, a PDA (Personal Digital Assistant), a handheld device with wireless communication function, a computing device, or other processing device connected to a wireless modem, a vehicle-mounted device, a wearable device, a 5GS (5 thTerminal devices in a Generation System (5G mobile communication system) or in a future evolved PLMN (Public Land Mobile Network), etc., are not limited to this embodiment. For ease of description, the devices mentioned above are collectively referred to as terminal devices. The number of terminal devices 10 is usually multiple, and one or more terminal devices 10 can be distributed within the cell managed by each access network device 20. Terminal devices can also be simply referred to as terminals or UEs, the meaning of which will be understood by those skilled in the art.

[0037] Access network device 20 is a device deployed in an access network to provide wireless communication functionality to terminal device 10. Access network device 20 may include various forms of macro base stations, micro base stations, relay stations, access points, etc. In systems employing different wireless access technologies, the name of the device with access network device functionality may differ; for example, in a 5G NR system, it is called gNodeB or gNB. As communication technologies evolve, the name "access network device" may change. For ease of description, in this embodiment, the aforementioned devices providing wireless communication functionality to terminal device 10 are collectively referred to as access network devices. In some embodiments, a communication relationship can be established between terminal device 10 and core network element 30 through access network device 20. For example, in an LTE (Long Term Evolution) system, access network device 20 may be one or more eNodeBs in an EUTRAN (Evolved Universal Terrestrial Radio Access Network) or EUTRAN; in a 5G NR system, access network device 20 may be one or more gNBs in a RAN (Radio Access Network). In the embodiments of this application, unless otherwise specified, the term "network device" refers to access network device 20, such as a base station.

[0038] Core network element 30 is a network element deployed in the core network. Its main functions are to provide user connectivity, manage users, and carry out service delivery, serving as an interface to external networks. For example, core network elements in a 5G NR system may include AMF (Access and Mobility Management Function) entities, UPF (User Plane Function) entities, and SMF (Session Management Function) entities.

[0039] In some embodiments, the access network device 20 and the core network element 30 communicate with each other through an air interface technology, such as the NG interface in the 5G NR system. The access network device 20 and the terminal device 10 communicate with each other through an air interface technology, such as the Uu interface.

[0040] The "5G NR system" in the embodiments of the present application can also be referred to as a 5G system or an NR system, but those skilled in the art can understand its meaning. The technical solutions described in the embodiments of the present application can be applicable to the LTE system, and can also be applicable to the 5G NR system, and can also be applicable to the subsequent evolution system of the 5G NR system (for example, the B5G (Beyond 5G, Super Five Generation Mobile Communication Technology) system, the 6G system (6 th Generation System, Sixth Generation Mobile Communication System)), and can also be applicable to other communication systems such as the NB-IoT (Narrow Band Internet of Things, Narrow Band Internet of Things) system, and the present application does not limit this.

[0041] In the embodiments of the present application, the network device can serve a cell, and the terminal device communicates with the network device through the transmission resource (for example, frequency domain resource, or frequency spectrum resource) on the carrier used by the cell. The cell can be a cell corresponding to the network device (for example, a base station), and the cell can belong to a macro base station or a base station corresponding to a small cell (Small cell). The small cell here can include a metro cell (Metro cell), a micro cell (Micro cell), a pico cell (Pico cell), a femto cell (Femto cell), etc. These small cells have the characteristics of small coverage and low transmit power, and are suitable for providing high-speed data transmission services.

[0042] Before introducing the technical solutions of the present application, the related technologies involved in the present application will be introduced and explained. The following related technologies can be combined with the technical solutions of the embodiments of the present application in any way, and all belong to the protection scope of the embodiments of the present application. The embodiments of the present application include at least part of the following contents.

[0043] Currently, with the pursuit of rate, delay, high mobility, energy efficiency and the diversity and complexity of services in future life, the 3GPP (3rd Generation Partnership Project, 3rd Generation Partnership Project) international standard organization begins to develop 5G. The main application scenarios of 5G are: enhanced mobile broadband (enhanced Mobile Broadband, eMBB), low latency and high reliability communication (Ultra Reliable and Low Latency Communications, URLLC), and massive machine type communication (massive Machine Type Communications, mMTC).

[0044] NR can also be independently deployed, and in order to reduce air signaling and quickly recover wireless connection in 5G network environment, a new RRC (Radio Resource Control, Radio Resource Control) state is defined for the purpose of quickly recovering data services, that is, RRC_INACTIVE state (inactive state). This state is different from RRC_IDLE state (idle state) and RRC_CONNECTED state (connected state).

[0045] RRC_IDLE state: mobility is based on UE cell selection and reselection, paging is initiated by CN (Core Network, Core Network), and paging area is configured by CN. There is no UE AS (Access Stratum, Access Stratum) context on the base station side, and there is no RRC connection.

[0046] RRC_CONNECTED state: there is an RRC connection, and there is a UE AS context between the base station and the UE. The network side knows the location of the UE is specific to the cell level. Mobility is network-controlled mobility. Unicast data can be transmitted between the UE and the base station.

[0047] RRC_INACTIVE state: mobility is based on UE cell selection and reselection, there is a connection between CN and NR, UE AS context exists on a certain base station, paging is triggered by RAN (Radio Access Network, Radio Access Network), and RAN-based paging area is managed by RAN. The network side knows the location of the UE is based on the RAN-based paging area level.

[0048] 1. 5G terminal energy saving project

[0049] Terminal energy saving technology includes optimizing the device power consumption of terminal equipment in idle state, inactive state and connected state. The 5G UE energy saving project proposes different improvement schemes in the following versions:

[0050] Improvement 1:

[0051] For connected state, introduce Wake-up Signal (WUS) to indicate the start time of UE DRX (Discontinuous Reception) on-duration, so as to reduce unnecessary PDCCH (Physical Downlink Control Channel) monitoring.

[0052] For CA (Carrier Aggregation), introduce SCell (Secondary Cell) dormancy to reduce PDCCH monitoring on SCell.

[0053] Improvement 2:

[0054] For idle state and inactive state, introduce Paging Early Indication (PEI) to indicate whether the UE needs to monitor paging, so as to reduce unnecessary paging monitoring.

[0055] For connected mode, introduce PDCCH skipping and SSSG (Search Space Set Group) switching to reduce unnecessary PDCCH monitoring of the UE.

[0056] Improvement 3:

[0057] Assume that there is a LR (Low power Radio) and a MR (Main Radio) in the UE. As shown in subgraph 1 and subgraph 2 in FIG. 2, compared with WUS and PEI, LP-WUS is more energy-saving, which uses a separate lower-power receiver LR, i.e. does not use the main receiver MR. The terminal device receives the LP-WUS and then starts the main receiver to listen to the downlink signal, so as to achieve the purpose of energy saving. For idle state and inactive state, MR paging monitoring can be triggered by LP-WUS. For connected state, MR PDCCH monitoring can be triggered by LP-WUS. Through these technologies, the 5G UE energy-saving project aims to reduce power consumption as much as possible, prolong the battery life while not affecting the performance and quality of service.

[0058] 2、5G network energy-saving project

[0059] To reduce the energy consumption of 5G network, the wireless communication system needs to implement energy saving technologies in time, frequency, space and power domains. These technologies include the following:

[0060] Adaptive CSI (Channel State Information) enhancement in space and power domains can adjust beamforming and transmit power according to channel state and data transmission requirements to improve energy efficiency.

[0061] Cell DTX (Discontinuous Transmission) and DRX mechanisms in time domain can dynamically adjust the cell state according to traffic load and coverage requirements, so that inactive cells enter low power consumption mode and reduce static power consumption.

[0062] SSB-less (Synchronization Signal Block-less) SCell operation across frequency bands can avoid secondary cell sending SSB signals, reduce signaling overhead and power consumption, while ensuring the connection performance and reliability of the primary cell.

[0063] On-demand SSB SCell operation for UEs configured with CA in connected mode can dynamically determine whether to send SSB signals, as well as the time slot and period of transmission, according to the UE's location and speed, further improving the energy efficiency of cross-band CA.

[0064] On-demand SIB1 (System Information Block 1) in idle and inactive states can dynamically determine whether to send SIB1 signals, as well as the time slot and period of transmission, according to the UE's mobility and service type, reducing scanning and searching consumption in idle mode.

[0065] Through these technologies, the 5G network energy saving project aims to reduce energy consumption as much as possible without affecting coverage and capacity, reduce operating costs and improve environmental sustainability.

[0066] In the next generation network, a major research direction is to realize joint energy saving of terminal devices and network devices. As shown in FIG. 3, the terminal device and the network device each have an LR and an MR. The LR mode can be understood as a small core mode or a low power / low power consumption mode, in which the terminal device and / or the network device have lower power consumption but can only implement simpler functions. The MR can be understood as a large core mode or a high power / high power consumption mode, in which the terminal device and / or the network device have higher power consumption but can implement more complex functions. The design goal is to realize the terminal device and the network device in a form that can flexibly switch between the two modes. In order to achieve this goal, the terminal device and the network device work in the "small core mode or low power / low power consumption mode" in the power saving mode, and activate the "large core mode or high power / high power consumption mode" by sending an "indication information" to the other party.

[0067] At present, based on the evaluation of the LR, the link performance of the LR is worse than that of the MR, resulting in that the coverage range that can be supported by the LR is smaller than that of the MR. Therefore, the LP-WUS project is discussing the introduction of an on / off (activation / deactivation) mechanism for LP-WUS monitoring. In this application, turning on can also be called activating, and turning off can be called deactivating. The basic idea is that when the UE has good channel quality in the serving cell, the LP-WUS monitoring is turned on / activated, and the MR monitoring for paging or PDCCH is turned off / deactivated, and the MR monitoring for paging or PDCCH is awakened through the LP-WUS; and when the UE has poor channel quality in the serving cell, the LP-WUS monitoring is turned off / deactivated due to the poor performance of the LP-WUS, and the MR is used to normally monitor the downlink channel. After the introduction of UL (Uplink) LP-WUS in 6G, the UL LP-WUS may have similar problems as the DL (Downlink) LP-WUS. Therefore, it is necessary to study the working mechanism related to the UL LP-WUS, and the main goal is to balance the energy saving of the terminal device and / or the network device while ensuring communication.

[0068] Please refer to FIG. 4, which shows a flowchart of a wireless communication method provided by an embodiment of the present application. The method can be applied to the network architecture shown in FIG. 1. The method can include the following step 410.

[0069] In step 410, the terminal device sends an uplink wake-up signal, and the sending mode of the uplink wake-up signal is determined based on at least one of the following: the capability of the terminal device, and the channel quality measurement result of the terminal device in the serving cell or the camped cell.

[0070] An uplink wake-up signal (UL WUS) is a wake-up signal sent by a terminal device, used to indicate the communication needs of the terminal device to a network device. In some embodiments, the UL WUS can be used for at least one of the following: requesting the network device to send an SSB, requesting the network device to send a SIB (System Information Block), requesting the network device to receive an uplink transmission, an uplink scheduling request. Wherein, the SSB can be used to help the terminal device to synchronize with the network device in time and frequency. The SIB can be a certain SIB (such as SIB1, SIB2, etc.), or other SI (System Information) messages. Requesting the network device to receive the uplink transmission can refer to message 1 / message A in the random access process, or PUSCH (Physical Uplink Shared Channel). The uplink scheduling request is used to request the network device to allocate uplink resources for uplink data transmission.

[0071] In some embodiments, the terminal device includes a main transmitter and a low-power transmitter. The sending mode of the uplink wake-up signal can include the main transmitter of the terminal device sending the uplink wake-up signal to the network device, and the low-power transmitter of the terminal device sending the uplink wake-up signal to the network device. It can be understood that when the terminal device uses the low-power transmitter to send the uplink wake-up signal, the main transmitter of the terminal device can be in a closed / deactivated state at this time. This method can save the energy consumption of the terminal device. When the terminal device uses the main transmitter to send the uplink wake-up signal, the reliability of the uplink wake-up signal transmission can be ensured.

[0072] In some embodiments, the terminal device sends the uplink wake-up signal through the main transmitter or the low-power transmitter, and the network device can receive the uplink wake-up signal through the low-power receiver to monitor and receive the wake-up signal sent by the terminal device while saving the energy consumption of the network device.

[0073] A serving cell refers to a base station coverage area with which the terminal device is currently establishing and maintaining a communication connection, and is the main communication area of the terminal device. The terminal device performs data transmission, signal reception, and other operations with the base station of the serving cell. A camped cell refers to a base station coverage area that the terminal device currently maintains a connection but does not necessarily activate and use. The terminal device can maintain a connection state in the camped cell to quickly switch to the serving cell or perform other communication operations when needed.

[0074] The channel quality measurement result refers to a quality evaluation of a wireless channel of a cell by a terminal device, and is used to indicate signal strength, signal-to-noise ratio, interference level, link quality, and the like of the channel. In some embodiments, the channel quality measurement result can include, but is not limited to, at least one of the following: RSRP (Reference Signal Received Power), RSRQ (Reference Signal Received Quality), CQI (Channel Quality Indicator), SINR (Signal-to-Interference-plus-Noise Ratio), and the like.

[0075] In some embodiments, the channel quality measurement result is determined based on at least one of the following: a measurement result obtained by a main receiver of the terminal device, a measurement result obtained by a low-power receiver of the terminal device. In some embodiments, the main receiver and / or the low-power receiver of the terminal device can measure the channel quality measurement result based on a reference signal transmitted by the network device. In some embodiments, when the channel quality measurement result is measured by the main receiver and the low-power receiver, the channel quality measurement result can be a mean value or a weighted sum of the respective measurement results of the two.

[0076] It can be understood that, when the channel quality is good, the low-power transmitter can be selected to transmit the uplink wake-up signal, so as to save the energy consumption of the terminal device. When the channel quality is poor, the main transmitter can be selected to transmit the uplink wake-up signal, so as to ensure the reliability of the uplink wake-up signal transmission. Exemplarily, the channel quality measurement result can be RSRP, when the value of the RSRP is large (e.g., greater than a certain threshold value), it represents that the signal strength of the channel is large, and in this case, the low-power transmitter is selected to transmit the uplink wake-up signal. When the value of the RSRP is small (e.g., less than a certain threshold value), it represents that the signal strength of the channel is small, and in this case, the main transmitter is selected to transmit the uplink wake-up signal.

[0077] In some embodiments, the terminal device can support the main transmitter and the low-power transmitter to transmit the uplink wake-up signal at the same time, and the terminal device can flexibly select the main transmitter or the low-power transmitter to transmit the uplink wake-up signal. In some embodiments, the terminal device can select the main transmitter or the low-power transmitter to transmit the uplink wake-up signal based on the channel quality measurement result. Similarly, when the channel quality is good, the low-power transmitter can be selected to transmit the uplink wake-up signal. When the channel quality is poor, the main transmitter can be selected to transmit the uplink wake-up signal.

[0078] To sum up, the technical scheme provided by the embodiments of the present application can flexibly determine the transmission mode of the uplink wake-up signal based on the capability of the terminal device and / or the channel quality measurement result of the terminal device. On the other hand, the transmission mode of the uplink wake-up signal can be determined according to the channel quality, for example, when the channel quality is good, the low-power transmitter is used to transmit the uplink wake-up signal, so as to save the energy consumption of the terminal device; when the channel quality is poor, the main transmitter is used to transmit the uplink wake-up signal, so as to ensure the reliability of signal transmission.

[0079] The transmission mode of the uplink wake-up signal will be specifically introduced below.

[0080] In some embodiments, the transmission mode of the uplink wake-up signal includes at least one of the following: the format of the uplink wake-up signal; the number of repeated transmissions of the uplink wake-up signal.

[0081] The format of the uplink wake-up signal refers to the specific definition of the uplink wake-up signal in aspects such as data coding, modulation mode, and signal structure. Different transmission modes of the wake-up signal correspond to different formats of the uplink wake-up signal. That is, the formats of the uplink wake-up signals transmitted by the main transmitter and the low-power transmitter are different.

[0082] (1) Format of the uplink wake-up signal

[0083] In some embodiments, the format of the uplink wake-up signal includes a first format and a second format, and the transmission power consumption of the uplink wake-up signal in the first format is greater than that in the second format. The transmission power consumption refers to the power consumption of the terminal device and / or the network device for the transmission of the uplink wake-up signal.

[0084] In some embodiments, the power consumption of the terminal device is greater when the main transmitter is used to transmit the uplink wake-up signal, and the power consumption of the terminal device is smaller when the low-power transmitter is used to transmit the uplink wake-up signal. In some embodiments, the main transmitter can be used to transmit the uplink wake-up signal in the first format. The low-power transmitter can be used to transmit the uplink wake-up signal in the second format, which can be referred to as the uplink low-power wake-up signal (LP-WUS).

[0085] In some embodiments, the capability of the terminal device supports the transmission of the uplink wake-up signal in the first format and the uplink wake-up signal in the second format. In the case where the channel quality measurement result meets the first condition, the uplink wake-up signal in the second format is transmitted. In the case where the channel quality measurement result does not meet the first condition, the uplink wake-up signal in the first format is transmitted; wherein the first condition includes that the channel quality measurement result is greater than or equal to a first threshold value.

[0086] The channel quality measurement result greater than or equal to the first threshold value represents good channel quality. The channel quality measurement result less than or equal to the first threshold value represents poor channel quality. Exemplarily, when the channel quality measurement result is RSRP, when the RSRP reaches or exceeds the preset first threshold value, it indicates that the channel quality is good, and the terminal device can select to use the low-power transmitter to send the uplink wake-up signal of the second format, so as to save the energy consumption of the terminal device. When the RSRP does not reach the preset first threshold value, it indicates that the channel quality is poor, and the terminal device can select to use the main transmitter to send the uplink wake-up signal of the first format, so as to ensure the reliability of the uplink wake-up signal transmission. The value of the first threshold value can be configured by the network device, or preconfigured, or standard predefined, or dependent on the implementation of the terminal device, which is not limited in the present application.

[0087] In some embodiments, the format of the uplink wake-up signal can also include: a first format and N types of second formats, the transmission power consumption of the uplink wake-up signal of the first format is greater than the transmission power consumption of the uplink wake-up signal of any type of second format, and N is a positive integer. Wherein, N can be equal to 1, or greater than 1, when N is equal to 1, this way is equivalent to the implementation mode of "the format of the uplink wake-up signal includes: a first format and a second format" described above. It can be understood that the uplink wake-up signal of the first format is sent by the main transmitter of the terminal device. For the uplink wake-up signal of each type of second format in N types, it is sent by the low-power transmitter of the terminal device.

[0088] In some embodiments, the N types of second formats can include but are not limited to at least one of the following: OFDM (Orthogonal Frequency Division Multiplexing) type, OOK (On-Off Keying, On-Off Keying) type, OOK superimposed OFDM type. Wherein, the OFDM type refers to a modulation technology that divides signals into multiple orthogonal frequency subcarriers. By transmitting data in parallel on different subcarriers, OFDM can effectively improve the spectrum utilization and reduce the influence of multipath interference on signals. The OOK type refers to a modulation technology that represents data by switching the presence or absence of a carrier signal. In this way, the presence of the signal (on) usually represents logical "1", and the absence of the signal (off) represents logical "0", which is a simple and low-power modulation method. The OOK superimposed OFDM type is a combination of OOK and OFDM technologies. This combination method combines the simplicity of OOK with the high spectrum utilization and anti-interference ability of OFDM, so that high data transmission efficiency and better signal quality can be achieved on the basis of low power consumption.

[0089] In some embodiments, the terminal device supports sending an uplink wake-up signal in a first format and N types of uplink wake-up signals in a second format; determining a target format of the uplink wake-up signal based on a channel quality measurement result and selection conditions corresponding to the first format and the N types of the second format respectively; wherein the target format is one of the first format and the N types of the second format; and sending the uplink wake-up signal in the target format.

[0090] In some embodiments, a preset threshold value interval can be set for the first format and each type of the second format. The first format corresponds to a threshold value interval, and each type of the second format has a one-to-one correspondence with the threshold value interval, and each type of the second format corresponds to a different threshold value interval. For example, the first format corresponds to threshold value interval 1, the second format of type A corresponds to threshold value interval 2, and the second format of type B corresponds to threshold value interval 3. Assuming that the first threshold value is threshold value 1, threshold value interval 1 can be (-∞, threshold value 1], threshold value interval 2 can be (threshold value 1, threshold value 2], and threshold value interval 3 can be (threshold value 2, +∞]. For example, the N types of the second format can include an OFDM type LP-WUS and an OOK type LP-WUS. When the channel quality measurement result is RSRP, when RSRP is less than or equal to threshold value 1 (i.e., corresponding to threshold value interval 1), the terminal device can select to send the uplink WUS in the first format. When RSRP is greater than threshold value 1 and less than or equal to threshold value 2 (i.e., corresponding to threshold value interval 2), the terminal device can select to send the OFDM type LP-WUS. When RSRP is greater than threshold value 2 (i.e., corresponding to threshold value interval 3), the terminal device can select to send the OOK type LP-WUS. The values of the above-mentioned threshold value 1, threshold value 2, and threshold value 3 can be configured by the network device, preconfigured, or standard predefined, or depend on the implementation of the terminal device, which is not limited in the present application.

[0091] The above method divides specific threshold value intervals for the first type and each type of the second format, and realizes flexible selection of sending uplink WUS in different formats according to the channel quality measurement result. This division method enables the terminal device to select the most suitable signal format for transmission according to the actual channel conditions, thereby optimizing the system performance and improving the reliability and efficiency of communication. Specifically, when the channel quality is good (e.g., RSRP is greater than threshold value 2), the OOK type LP-WUS with simple and low power consumption is selected for transmission; when the channel quality is moderate (e.g., RSRP is between threshold value 1 and threshold value 2), the OFDM type LP-WUS with high spectral efficiency is selected for transmission; and when the channel quality is poor (e.g., RSRP is less than or equal to threshold value 1), the uplink WUS in the first format is selected for transmission to ensure reliable transmission of the uplink WUS signal.

[0092] (2) the number of repetitions of the uplink wake-up signal

[0093] It can be understood that when the channel quality is good, the number of repetitions of the uplink wake-up signal is small, so as to save the transmission resource of the uplink wake-up signal. When the channel quality is poor, the number of repetitions of the uplink wake-up signal is large, so as to ensure the reliability of the transmission of the uplink wake-up signal. In some embodiments, the number of repetitions of the uplink wake-up signal is negatively correlated with the channel quality measurement result. Exemplarily, when the channel quality measurement result is RSRP, the larger the RSRP is, the smaller the number of repetitions of the uplink wake-up signal is, and the smaller the RSRP is, the larger the number of repetitions of the uplink wake-up signal is.

[0094] In some embodiments, based on the channel quality measurement result and the selection condition corresponding to each of the M number of repetitions, the number of repetitions of the uplink wake-up signal is determined, M being a positive integer.

[0095] In some embodiments, for each of the M number of repetitions, a channel quality preset interval can be set for the repetition. Wherein, the number of repetitions and the channel quality preset interval are in a one-to-one correspondence, one number of repetitions corresponds to one channel quality preset interval, and different numbers of repetitions correspond to different channel quality preset intervals. Exemplarily, the number of repetitions 1 can correspond to the channel quality preset interval 1, the number of repetitions 2 can correspond to the channel quality preset interval 2, and the number of repetitions 3 can correspond to the channel quality preset interval 3. The preset interval 1 can be (-∞, channel quality measurement result 1], the preset interval 2 can be (channel quality measurement result 1, channel quality measurement result 2], and the preset interval 3 can be (channel quality measurement result 2, +∞], wherein the number of repetitions 1> the number of repetitions 2> the number of repetitions 3.

[0096] In some embodiments, the WUS of each format is in a one-to-one correspondence with the number of repetitions, and one format of WUS corresponds to one number of repetitions. Different formats of WUS can correspond to different numbers of repetitions.

[0097] In some embodiments, the network device sends configuration information to the terminal device, and the configuration information is used to indicate at least one of the following: at least one format of the uplink wake-up signal supported by the network device for receiving, a transmission occasion corresponding to each of the at least one format of the uplink wake-up signal supported by the network device for receiving, a selection condition corresponding to each of the at least one format of the uplink wake-up signal supported by the network device for receiving, and a repetition configuration corresponding to each of the at least one format of the uplink wake-up signal supported by the network device for receiving. Correspondingly, the terminal device determines the transmission mode of the uplink wake-up signal based on the configuration information.

[0098] In some embodiments, the format of the at least one uplink wake-up signal supported by the network device for receiving can include the first format and the N types of second formats. The transmission occasion corresponding to each format of the at least one uplink wake-up signal supported by the network device for receiving refers to that the uplink WUS of each format can be transmitted in different time windows, for example, the uplink WUS of certain format can be periodically transmitted to adapt to scenarios requiring timing or regular communication, to ensure that the network device can accurately receive the wake-up signal at the predetermined time point. The selection condition corresponding to each format of the at least one uplink wake-up signal supported by the network device for receiving refers to that the channel quality measurement result selects the uplink WUS of a certain format to be transmitted under which selection condition. The repetition transmission configuration corresponding to each format of the at least one uplink wake-up signal supported by the network device for receiving refers to the number of repeated transmissions of the uplink wake-up signal, for example, the uplink WUS of different formats can have different number of repeated transmissions and transmission intervals to ensure the reliability of signal transmission.

[0099] The above method enables the terminal device to select the wake-up signal format most suitable for the current channel quality condition according to the configuration information provided by the network device, thereby reducing the energy consumption of the terminal device as much as possible while improving the reliability of signal transmission.

[0100] The following describes a switching mechanism between different transmission modes of uplink wake-up signals.

[0101] In some embodiments, the terminal device supports at least one of the following: (1) switching or falling back from transmitting the uplink wake-up signal of the second format to transmitting the uplink wake-up signal of the first format; wherein the transmission power consumption of the uplink wake-up signal of the first format is greater than that of the uplink wake-up signal of the second format; (2) switching or falling back from transmitting the uplink wake-up signal of the second format of the first type to transmitting the uplink wake-up signal of the second format of the second type; wherein the transmission power consumption of the uplink wake-up signal of the second format of the second type is greater than that of the uplink wake-up signal of the second format of the first type; (3) switching or falling back from transmitting the uplink wake-up signal with the first number of repeated transmissions to transmitting the uplink wake-up signal with the second number of repeated transmissions; wherein the second number of repeated transmissions is greater than the first number of repeated transmissions; (4) switching or falling back from transmitting the uplink wake-up signal of the second format for requesting uplink scheduling to transmitting the scheduling request.

[0102] In some embodiments, when the channel quality deteriorates to a poor state, switching or falling back from transmitting the uplink wake-up signal of the second format to transmitting the uplink wake-up signal of the first format, in this case, the channel quality deteriorates to a state that cannot meet the transmission requirements of the second format, and the terminal device switches to the uplink wake-up signal of the first format to ensure the reliable transmission of the uplink wake-up signal.

[0103] In some embodiments, when the channel quality decreases from good to moderate, the terminal device switches or falls back from sending the first type of the second format of the uplink wake-up signal to sending the second type of the second format of the uplink wake-up signal. In this case, the channel quality decreases but still meets the transmission requirements of the second format, and the terminal device switches or falls back from sending the first type of the second format of the uplink wake-up signal to sending the second type of the second format of the uplink wake-up signal. This switching mechanism aims to guarantee the communication quality while saving the energy consumption of the terminal device as much as possible.

[0104] In some embodiments, when the channel quality decreases, the terminal device switches or falls back from sending the uplink wake-up signal with the first number of repeated transmissions to sending the uplink wake-up signal with the second number of repeated transmissions, so as to ensure the reliable transmission of the uplink wake-up signal by increasing the number of repeated transmissions of the uplink wake-up signal.

[0105] In some embodiments, the second format of the uplink wake-up signal, i.e., the LP-WUS, is also used to request uplink scheduling. The uplink scheduling refers to the process in which the terminal device requests the network device to allocate uplink transmission resources. When the channel quality decreases, the LP-WUS cannot ensure sufficient signal strength or reliability to meet the requirements of the uplink scheduling request, and the terminal device will switch to sending a conventional scheduling request to ensure the reliable transmission of the scheduling request.

[0106] In some embodiments, the switching or falling back is determined based on at least one of the following: the number of failed attempts of sending the uplink wake-up signal, the sending time of the uplink wake-up signal.

[0107] The number of failed attempts of sending the uplink wake-up signal refers to the number of sending failures of the terminal device when attempting to send the uplink wake-up signal due to poor channel conditions, interference, or other reasons. In some embodiments, when the number of failures exceeds a preset threshold, the terminal device will fall back to another transmission mode to improve the reliability of the transmission of the uplink wake-up signal. The preset threshold can be configured by the network device, preconfigured, standard predefined, or dependent on the implementation of the terminal device, which is not limited in the present application.

[0108] In some embodiments, if the terminal device does not receive a response of successful reception by the network device after a first time period from the sending time of the uplink wake-up signal, the terminal device will fall back to another transmission mode to improve the reliability of the transmission of the uplink wake-up signal. The first time period can be configured by the network device, preconfigured, standard predefined, or dependent on the implementation of the terminal device, which is not limited in the present application.

[0109] In some embodiments, the transmission manner of the uplink wake-up signal and the monitoring manner of the downlink wake-up signal are respectively determined or indicated independently. In some embodiments, the monitoring manner of the downlink wake-up signal refers to the receiving manner of the downlink wake-up signal. The monitoring manner can include: the format of the downlink wake-up signal, and the number of repeated monitoring of the downlink wake-up signal. The format of the downlink wake-up signal is used to determine whether the terminal device uses the main receiver to monitor the downlink WUS or uses the low-power receiver to monitor the downlink LP-WUS. The number of repeated monitoring of the downlink wake-up signal is used to determine the number of times the terminal device monitors the transmission of the downlink WUS or the downlink LP-WUS.

[0110] In some embodiments, the terminal device respectively determines the transmission manner of the uplink wake-up signal and the monitoring manner of the downlink wake-up signal. In some embodiments, the format of the uplink wake-up signal can be the same as the format of the downlink wake-up signal, or can be different from the format of the downlink wake-up signal. In some embodiments, the number of repeated transmission of the uplink wake-up signal can be the same as the number of repeated monitoring of the downlink wake-up signal, or can be different from the number of repeated monitoring of the downlink wake-up signal.

[0111] In some embodiments, the transmission manner of the uplink wake-up signal is determined based on a first rule, and the monitoring manner of the downlink wake-up signal is determined based on a second rule, and the first rule and the second rule are different.

[0112] The first rule is used to determine the format of the uplink wake-up signal and the number of repeated transmission of the uplink wake-up signal. The second rule is used to determine the format of the downlink wake-up signal and the number of repeated monitoring of the downlink wake-up signal.

[0113] In some embodiments, the first rule is used to determine whether to turn on or activate the function of the low-power transmitter to transmit the uplink wake-up signal; and / or, the second rule is used to determine whether to turn on or activate the function of the low-power receiver to monitor the downlink wake-up signal.

[0114] In some embodiments, in the case that the channel quality measurement result satisfies the first rule, the function of the low-power transmitter is turned on or activated to transmit the uplink wake-up signal. The first rule includes that the channel quality measurement result is greater than or equal to a threshold value A.

[0115] In some embodiments, in the case that the channel quality measurement result satisfies the second rule, the function of the low-power receiver is turned on or activated to monitor the downlink wake-up signal. The second rule includes that the channel quality measurement result is greater than or equal to a threshold value B. The threshold value A and the threshold value B are two different threshold values, and the values of the two threshold values can be configured by the network device, or pre-configured, or standard pre-defined, or depend on the implementation of the terminal device, which is not limited in the present application.

[0116] In some embodiments, in a case where the channel quality measurement result satisfies the second rule, the function of the low-power receiver is turned on or activated to listen to the downlink wake-up signal, while the main receiver is turned off to listen to the downlink channel. The downlink channel can be a paging channel, a PDCCH, etc. In a case where the channel quality measurement result does not satisfy the second rule, the function of the low-power receiver is turned off or deactivated, while the main receiver is turned on to listen to the downlink channel.

[0117] In some embodiments, the transmission mode of the uplink wake-up signal and the listening mode of the downlink wake-up signal are indicated by the network device. Specifically, the network device transmits indication information indicating the transmission mode of the uplink wake-up signal and / or the listening mode of the downlink wake-up signal. Accordingly, the terminal device receives the indication information transmitted by the network device.

[0118] In some embodiments, the indication information indicates whether to turn on or activate the function of the low-power transmitter to transmit the uplink wake-up signal, and / or whether to turn on or activate the function of the low-power receiver to listen to the downlink wake-up signal. In some embodiments, the network device indicates to turn on or activate only the function of the low-power transmitter to transmit the uplink wake-up signal. The network device indicates to turn on or activate only the function of the low-power receiver to listen to the uplink wake-up signal. The network device indicates to turn on or activate both the function of the low-power transmitter and the function of the low-power receiver to transmit the uplink wake-up signal through the low-power transmitter and to listen to the uplink wake-up signal through the low-power receiver.

[0119] The above method, for the transmission mode of the uplink wake-up signal and the listening mode of the downlink wake-up signal, on the one hand, both can be independently determined based on the demand to adapt to different communication demands of uplink and downlink. On the other hand, both can be flexibly determined, which can be determined by the terminal device itself or indicated by the network device.

[0120] Please refer to FIG. 5, which shows a flowchart of a wireless communication method provided by another embodiment of the present application. The method can be applied to the network architecture shown in FIG. 1. The method is executed by a terminal device having a main receiver and a low-power receiver, and can include the following step 510.

[0121] Step 510: The terminal device determines the start-stop condition of the low-power receiver based on the type of the low-power receiver. Different types of low-power receivers correspond to different start-stop conditions.

[0122] In some embodiments, the types of low-power receivers can include multiple types, such as an OOK type, an OFDM type. For a low-power receiver of a certain terminal device, the type of the low-power receiver is any one of the multiple types. In some embodiments, the start-stop condition corresponding to the low-power receiver of the OOK type is different from the start-stop condition corresponding to the low-power receiver of the OFDM type.

[0123] In some embodiments, different types of low-power receivers have different sensitivities, so as to adapt to different channel qualities. That different types of low-power receivers have different sensitivities means that different types of low-power receivers have different detection capabilities for signals. Certain types of low-power receivers can be more sensitive to weak signals and still effectively receive signals in a communication environment with poor channel quality. While other types of low-power receivers can be more suitable for use in a communication environment with good channel quality. Exemplarily, the low-power receiver of the OOK type can be used in a communication environment with relatively good channel quality, while the low-power receiver of the OFDM type can be used in a communication environment with relatively poor channel quality.

[0124] In some embodiments, the start-stop condition is related to a channel quality measurement result of the terminal device on a serving cell or a camped cell. In some embodiments, a threshold value corresponding to each type of low-power receiver is obtained, one threshold value corresponding to each type of low-power receiver, different threshold values corresponding to different types of low-power receivers; based on the threshold value corresponding to each type of low-power receiver and the type of the low-power receiver of the terminal device, it is determined whether to start the low-power receiver of the terminal device. Exemplarily, the threshold value corresponding to the low-power receiver of the OOK type can be threshold value 1, and the threshold value corresponding to the low-power receiver of the OFDM type can be threshold value 2. Wherein, the threshold value 1 and the threshold value 2 are different. In the case that the low-power receiver of the terminal device is of the OOK type, when the channel quality measurement result is greater than or equal to the threshold value 1, the terminal device starts the low-power receiver. In the case that the low-power receiver of the terminal device is of the OFDM type, when the channel quality measurement result is greater than or equal to the threshold value 2, the terminal device starts the low-power receiver.

[0125] In some embodiments, the start-stop condition comprises: in a case where the main receiver is in the on state, in a case where the channel quality measurement result is greater than or equal to a second threshold value, turning off the main receiver and turning on the low-power receiver; wherein different types of low-power receivers correspond to different second threshold values. The channel quality measurement result being greater than or equal to the second threshold value represents that the channel quality is good, and the terminal device can select to use the low-power receiver to listen to the downlink LP-WUS, so as to save the energy consumption of the terminal device. The value of the second threshold value can be configured by the network device, or preconfigured, or standard predefined, or dependent on the implementation of the terminal device, which is not limited in the present application.

[0126] In some embodiments, turning off the main receiver and turning on the low-power receiver comprises: turning off the measurement of the main receiver on the serving cell and / or the neighbor cell, and turning on the measurement of the low-power receiver on the serving cell. In this way, the low-power receiver can still measure the signal quality of the key serving cell when the main receiver is turned off, so as to ensure the monitoring of the network environment while not consuming too much energy.

[0127] In some embodiments, turning off the main receiver and turning on the low-power receiver comprises: turning off the listening of the main receiver on the paging message, and turning on the listening of the low-power receiver on the LP-WUS. In this way, the low-power receiver can still listen to the low-power wake-up signal when the main receiver is turned off, so as to ensure the timely response to the communication indication of the network device while saving the energy of the terminal.

[0128] In some embodiments, the start-stop condition further comprises: in a case where the main receiver is in the off state, in a case where the channel quality measurement result is less than or equal to a third threshold value, turning on the main receiver; wherein the third threshold value is the same as or different from the second threshold value. The second threshold value and the third threshold value can be set to the same value to simplify the system design. The third threshold value can also be different from the second threshold value, the third threshold value can be greater than the second threshold value, and the third threshold value can be less than the second threshold value. When the third threshold value is greater than the second threshold value, the main receiver is more likely to be turned on in the case of poor channel quality, which is conducive to the reliability of the downlink wake-up signal listening. When the third threshold value is less than the second threshold value, the turning-on condition of the main receiver is more relaxed, which is conducive to saving the energy consumption of the terminal device. The value of the third threshold value can be configured by the network device, or preconfigured, or standard predefined, or dependent on the implementation of the terminal device, which is not limited in the present application.

[0129] In some embodiments, the channel quality measurement result is determined based on at least one of the following: the measurement result obtained by the main receiver, the measurement result obtained by the low-power receiver.

[0130] To sum up, the technical scheme provided by the embodiments of the present application corresponds different start-stop conditions to different types of low-power-consumption receivers. This method can set appropriate start-stop conditions according to the characteristics of each type of low-power-consumption receiver, thereby ensuring the reliability of downlink wake-up signal monitoring.

[0131] The following is an apparatus embodiment of the present application, which can be used to perform the method embodiments of the present application. For details not disclosed in the apparatus embodiments of the present application, refer to the method embodiments of the present application.

[0132] Please refer to FIG. 6, which shows a block diagram of a wireless communication apparatus provided by an embodiment of the present application. The apparatus has the functions of implementing the above wireless communication method, which can be implemented by hardware or by executing corresponding software by hardware. The apparatus can be the terminal device introduced above or can be arranged in the terminal device. As shown in FIG. 6, the apparatus 600 can include a sending module 610.

[0133] The sending module 610 is configured to send an uplink wake-up signal, and the sending mode of the uplink wake-up signal is determined based on at least one of the following: the capability of the terminal device, and the channel quality measurement result of the terminal device on a serving cell or a camped cell.

[0134] In some embodiments, the sending mode of the uplink wake-up signal includes at least one of the following: the format of the uplink wake-up signal, and the number of repeated transmissions of the uplink wake-up signal.

[0135] In some embodiments, the format of the uplink wake-up signal includes: a first format and a second format, the transmission power consumption of the uplink wake-up signal in the first format is greater than that in the second format; or a first format and N types of second formats, the transmission power consumption of the uplink wake-up signal in the first format is greater than that in any type of second format, N is a positive integer; wherein the transmission power consumption refers to the power consumption of the terminal device and / or network device for transmitting the uplink wake-up signal.

[0136] In some embodiments, the capability of the terminal device supports sending the uplink wake-up signal in the first format and the uplink wake-up signal in the second format; the sending module 610 is configured to send the uplink wake-up signal in the second format when the channel quality measurement result meets a first condition, and send the uplink wake-up signal in the first format when the channel quality measurement result does not meet the first condition; wherein the first condition includes that the channel quality measurement result is greater than or equal to a first threshold value.

[0137] In some embodiments, the terminal device supports sending the first format of the uplink wake-up signal and the N types of the second format of the uplink wake-up signal; the sending module 610 is configured to determine a target format of the uplink wake-up signal based on the channel quality measurement result and selection conditions corresponding to the first format and the N types of the second format respectively; and the target format is one of the first format and the N types of the second format; and send the uplink wake-up signal in the target format.

[0138] In some embodiments, the number of repeated transmissions of the uplink wake-up signal is in a negative correlation with the channel quality measurement result.

[0139] In some embodiments, as shown in FIG. 6, the apparatus 600 further includes a processing module 620.

[0140] The processing module 620 is configured to determine the number of repeated transmissions of the uplink wake-up signal based on the channel quality measurement result and selection conditions corresponding to the M numbers of repeated transmissions respectively, where M is a positive integer.

[0141] In some embodiments, as shown in FIG. 6, the apparatus 600 further includes a receiving module 630 (not shown in FIG. 6).

[0142] The receiving module 630 is configured to receive configuration information sent by a network device, where the configuration information is used to indicate at least one of the following: a format of at least one uplink wake-up signal supported by the network device for receiving, a transmission occasion corresponding to a format of at least one uplink wake-up signal supported by the network device for receiving respectively, a selection condition corresponding to a format of at least one uplink wake-up signal supported by the network device for receiving respectively, and a repeated transmission configuration corresponding to a format of at least one uplink wake-up signal supported by the network device for receiving respectively.

[0143] In some embodiments, the terminal device supports at least one of the following: switching or falling back from sending a second format of the uplink wake-up signal to sending a first format of the uplink wake-up signal; where the transmission power consumption of the first format of the uplink wake-up signal is greater than that of the second format of the uplink wake-up signal; switching or falling back from sending a first type of the second format of the uplink wake-up signal to sending a second type of the second format of the uplink wake-up signal; where the transmission power consumption of the second type of the second format of the uplink wake-up signal is greater than that of the first type of the second format of the uplink wake-up signal; switching or falling back from sending the uplink wake-up signal with a first number of repeated transmissions to sending the uplink wake-up signal with a second number of repeated transmissions; where the second number of repeated transmissions is greater than the first number of repeated transmissions; and switching or falling back from sending the second format of the uplink wake-up signal for requesting uplink scheduling to sending a scheduling request.

[0144] In some embodiments, the switching or fallback is determined based on at least one of: a number of failed attempts of the uplink wake-up signal transmission, a time of the uplink wake-up signal transmission.

[0145] In some embodiments, the transmission manner of the uplink wake-up signal and the monitoring manner of the downlink wake-up signal are respectively independently determined or indicated.

[0146] In some embodiments, the transmission manner of the uplink wake-up signal is determined based on a first rule, and the monitoring manner of the downlink wake-up signal is determined based on a second rule, and the first rule and the second rule are different.

[0147] In some embodiments, the first rule is used to determine whether to turn on or activate a function of a low-power transmitter to transmit the uplink wake-up signal, and / or the second rule is used to determine whether to turn on or activate a function of a low-power receiver to monitor the downlink wake-up signal.

[0148] In some embodiments, the receiving module is further configured to receive indication information transmitted by the network device, the indication information being used to indicate the transmission manner of the uplink wake-up signal and / or the monitoring manner of the downlink wake-up signal.

[0149] In some embodiments, the indication information is used to indicate whether to turn on or activate a function of a low-power transmitter to transmit the uplink wake-up signal, and / or whether to turn on or activate a function of a low-power receiver to monitor the downlink wake-up signal.

[0150] In some embodiments, the channel quality measurement result is determined based on at least one of: a measurement result obtained by a main receiver of the terminal device, a measurement result obtained by a low-power receiver of the terminal device.

[0151] Please refer to FIG. 7, which shows a block diagram of a wireless communication device provided by another embodiment of the present application. The device has a function of implementing the above wireless communication method, which can be implemented by hardware or by executing corresponding software by hardware. The device can be the terminal device introduced above or can be arranged in the terminal device. The device has a main receiver and a low-power receiver. As shown in FIG. 7, the device 700 can include a processing module 710.

[0152] The processing module 710 is configured to determine a start-stop condition of the low-power receiver based on a type of the low-power receiver, wherein different types of low-power receivers correspond to different start-stop conditions.

[0153] In some embodiments, the start-stop condition is related to a channel quality measurement result of the terminal device on a serving cell or a camped cell.

[0154] In some embodiments, the start-stop condition comprises: in a case that the main receiver is in the on state, in a case that the channel quality measurement result is greater than or equal to a second threshold value, turning off the main receiver and turning on the low-power receiver; wherein different types of low-power receivers correspond to different second threshold values.

[0155] In some embodiments, the start-stop condition further comprises: in a case that the main receiver is in the off state, in a case that the channel quality measurement result is less than or equal to a third threshold value, turning on the main receiver; wherein the third threshold value is the same as or different from the second threshold value.

[0156] In some embodiments, the turning off the main receiver and turning on the low-power receiver comprises: turning off the main receiver for measurement of the serving cell and / or neighboring cells, and turning on the low-power receiver for measurement of the serving cell.

[0157] In some embodiments, the turning off the main receiver and turning on the low-power receiver comprises: turning off the main receiver for listening to a paging message, and turning on the low-power receiver for listening to an LP-WUS.

[0158] In some embodiments, the channel quality measurement result is determined based on at least one of: a measurement result obtained by the main receiver, a measurement result obtained by the low-power receiver.

[0159] It should be noted that the apparatus provided by the above embodiments achieves its functions by means of the above division of functional modules, and in actual applications, the above functions can be completed by different functional modules according to actual needs, i.e., the content structure of the apparatus is divided into different functional modules to complete all or part of the above-described functions.

[0160] As to the apparatus in the above embodiments, the specific manners in which various modules perform operations have been described in detail in the embodiments of the method, and will not be described here in detail. For details not described in the apparatus embodiments, reference can be made to the above method embodiments.

[0161] Please refer to FIG. 8, which shows a structural schematic diagram of a terminal device provided by an embodiment of the present application. The terminal device 800 can include a processor 801, a transceiver 802, and a memory 803. The transceiver 802 is configured to implement the sending and / or receiving functions, such as the functions of the above-described sending module and / or receiving module. The processor can be configured to implement other processing functions or control the sending and / or receiving, such as the functions of the above-described processing module.

[0162] The processor 801 comprises one or more processing cores, and the processor 801 performs various functional applications and information processing by running software programs and modules.

[0163] The transceiver 802 can comprise a receiver and a transmitter, which can be implemented as the same wireless communication component, and can comprise a wireless communication chip and a radio frequency antenna.

[0164] The memory 803 can be connected to the processor 801 and the transceiver 802.

[0165] The memory 803 can be used to store a computer program executed by the processor 801, and the processor 801 is configured to execute the computer program.

[0166] In some embodiments, the transceiver 802 is configured to send an uplink wake-up signal, and a sending mode of the uplink wake-up signal is determined based on at least one of the following: a capability of the terminal device, and a channel quality measurement result of the terminal device on a serving cell or a camped cell.

[0167] In some embodiments, the processor 801 is configured to determine a start-stop condition of the low-power receiver based on a type of the low-power receiver; and different types of the low-power receiver correspond to different start-stop conditions.

[0168] For details not described in the present embodiment, refer to the above embodiments, which will not be repeated here.

[0169] In addition, the memory can be implemented by any type of volatile or non-volatile storage devices or a combination thereof, including but not limited to: a magnetic or optical disk, an electrically erasable programmable read-only memory, an erasable programmable read-only memory, a static random access memory, a read-only memory, a magnetic storage, a flash memory, and a programmable read-only memory.

[0170] The embodiment of the present application further provides a computer readable storage medium, wherein the storage medium stores a computer program, and the computer program is used to be executed by a processor to implement the wireless communication method. In some embodiments, the computer readable storage medium can include a ROM (Read-Only Memory), a RAM (Random-Access Memory), a SSD (Solid State Drives) or an optical disc, and the like. The random access memory can include a ReRAM (Resistance Random Access Memory) and a DRAM (Dynamic Random Access Memory).

[0171] The embodiment of the present application further provides a chip, wherein the chip includes a programmable logic circuit and / or program instructions, and when the chip is running, the programmable logic circuit and / or program instructions are used to implement the wireless communication method.

[0172] The embodiment of the present application further provides a computer program product, wherein the computer program product includes computer instructions, the computer instructions are stored in a computer readable storage medium, and a processor reads and executes the computer instructions from the computer readable storage medium to implement the wireless communication method.

[0173] It should be understood that the "indication" mentioned in the embodiments of the present application can be direct indication, or indirect indication, or can be an indication of an associated relationship. For example, A indicates B, which can mean that B can be obtained by A directly; or A indirectly indicates B, for example, A indicates C, and B can be obtained by C; or A and B have an associated relationship.

[0174] In the description of the embodiments of the present application, the term "corresponding" can mean a direct or indirect corresponding relationship between the two, or an associated relationship between the two, or an indication and being indicated, configuration and being configured relationship.

[0175] In some embodiments of the present application, "predefined" can be realized by pre-storing corresponding codes, tables or other means for indicating related information in devices (for example, including terminal devices and network devices), and the present application does not limit the specific implementation manner. For example, the pre-defined can refer to the definition in the protocol.

[0176] In some embodiments of the present application, the "protocol" can refer to a standard protocol in the communication field, for example, can include an LTE protocol, an NR protocol and a related protocol applied to a future communication system, and the present application does not limit this.

[0177] The "multiple" mentioned in the present text refers to two or more. The "and / or" describes the association between the associated objects, which means that there can be three relationships, for example, A and / or B can represent: A exists alone, A and B exist together, and B exists alone. The character " / " generally represents that the associated objects before and after are a "or" relationship.

[0178] The "greater than or equal to" mentioned in the present text can mean greater than or equal to, and "less than or equal to" can mean less than or equal to.

[0179] In addition, the step numbers described in the present text only exemplarily show a possible execution order between steps, and in some other embodiments, the above steps can also be executed in a non-numbered order, such as two different numbered steps being executed simultaneously, or two different numbered steps being executed in an order opposite to the illustration, which is not limited by the embodiments of the present application.

[0180] Those skilled in the art should be aware that in one or more of the examples described above, the functions described in the embodiments of the present application can be implemented by hardware, software, firmware or any combination thereof. When implemented by software, these functions can be stored in a computer readable medium or transmitted as one or more instructions or codes on a computer readable medium. The computer readable medium includes computer storage medium and communication medium, wherein the communication medium includes any medium that facilitates the transmission of computer programs from one place to another. The storage medium can be any available medium that can be accessed by a general or special purpose computer.

[0181] The above is only an exemplary embodiment of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A method of wireless communication, the method comprising: The method is performed by a terminal device, and the method comprises: sending an uplink wake-up signal, a transmission mode of the uplink wake-up signal being determined based on at least one of: a capability of the terminal device, a channel quality measurement result of the terminal device on a serving cell or a camping cell.

2. The method of claim 1, wherein, The transmission mode of the uplink wake-up signal comprises at least one of: a format of the uplink wake-up signal; a number of repeated transmissions of the uplink wake-up signal.

3. The method of claim 2, wherein, The format of the uplink wake-up signal comprises: a first format and a second format, a transmission power consumption of the uplink wake-up signal in the first format being greater than a transmission power consumption of the uplink wake-up signal in the second format; or, a first format and N types of second format, a transmission power consumption of the uplink wake-up signal in the first format being greater than a transmission power consumption of the uplink wake-up signal in any type of second format, N being a positive integer; wherein the transmission power consumption refers to power consumption of the terminal device and / or a network device for transmission of the uplink wake-up signal.

4. The method of claim 3, wherein, The capability of the terminal device supports sending the uplink wake-up signal in the first format and the uplink wake-up signal in the second format; The sending of the uplink wake-up signal comprises: in a case where the channel quality measurement result meets a first condition, sending the uplink wake-up signal in the second format; in a case where the channel quality measurement result does not meet the first condition, sending the uplink wake-up signal in the first format; wherein the first condition comprises the channel quality measurement result being greater than or equal to a first threshold value.

5. The method of claim 3, wherein, The capability of the terminal device supports sending the uplink wake-up signal in the first format and the uplink wake-up signal in the N types of second format; The sending of the uplink wake-up signal comprises: determining a target format of the uplink wake-up signal based on the channel quality measurement result and selection conditions corresponding to the first format and the N types of second format respectively, wherein the target format is one of the first format and the N types of second format; sending the uplink wake-up signal in the target format.

6. The method according to any one of claims 1 to 5, characterized in that, The number of repeated transmissions of the uplink wake-up signal is in a negative correlation with the channel quality measurement result.

7. The method according to any one of claims 1 to 6, characterized in that, The method further comprises: determining the number of repeated transmissions of the uplink wake-up signal based on the channel quality measurement result and selection conditions corresponding to M numbers of repeated transmissions respectively, M being a positive integer.

8. The method according to any one of claims 1 to 7, characterized in that, The method further comprises: receiving configuration information sent by a network device, the configuration information being used to indicate at least one of: at least one format of the uplink wake-up signal supported by the network device for receiving, transmission occasions corresponding to at least one format of the uplink wake-up signal supported by the network device for receiving respectively, selection conditions corresponding to at least one format of the uplink wake-up signal supported by the network device for receiving respectively, and repeated transmission configurations corresponding to at least one format of the uplink wake-up signal supported by the network device for receiving respectively.

9. The method according to any one of claims 1 to 8, characterized in that, The terminal device supports at least one of: switching or falling back from transmitting the uplink wake-up signal in the second format to transmitting the uplink wake-up signal in the first format, wherein the transmission power consumption of the uplink wake-up signal in the first format is greater than the transmission power consumption of the uplink wake-up signal in the second format; switching or falling back from transmitting the uplink wake-up signal in the second format of the first type to transmitting the uplink wake-up signal in the second format of the second type, wherein the transmission power consumption of the uplink wake-up signal in the second format of the second type is greater than the transmission power consumption of the uplink wake-up signal in the second format of the first type; switching or falling back from transmitting the uplink wake-up signal using the first number of repeated transmissions to transmitting the uplink wake-up signal using the second number of repeated transmissions, wherein the second number of repeated transmissions is greater than the first number of repeated transmissions; switching or falling back from transmitting the uplink wake-up signal in the second format for requesting uplink scheduling to transmitting a scheduling request.

10. The method of claim 9, wherein, The switching or falling back is determined based on at least one of the following: the number of failed attempts of transmitting the uplink wake-up signal, the transmission time of the uplink wake-up signal.

11. The method according to any one of claims 1 to 10, characterized in that, The transmission mode of the uplink wake-up signal and the listening mode of the downlink wake-up signal are determined or indicated independently.

12. The method of claim 11, wherein, The transmission mode of the uplink wake-up signal is determined based on a first rule, and the listening mode of the downlink wake-up signal is determined based on a second rule, wherein the first rule and the second rule are different.

13. The method of claim 12, wherein: the first rule is used to determine whether to turn on or activate the function of the low-power transmitter to transmit the uplink wake-up signal; and / or the second rule is used to determine whether to turn on or activate the function of the low-power receiver to listen to the downlink wake-up signal.

14. The method of claim 11, wherein, The method further comprises: receiving indication information transmitted by the network device, wherein the indication information is used to indicate the transmission mode of the uplink wake-up signal and / or the listening mode of the downlink wake-up signal.

15. The method of claim 14, wherein, The indication information is used to indicate: whether to turn on or activate the function of the low-power transmitter to transmit the uplink wake-up signal; and / or whether to turn on or activate the function of the low-power receiver to listen to the downlink wake-up signal.

16. The method according to any one of claims 1 to 15, characterized in that, The channel quality measurement result is determined based on at least one of the following: a measurement result obtained by the main receiver of the terminal device, a measurement result obtained by the low-power receiver of the terminal device.

17. A method of wireless communication, the method comprising: The method is performed by a terminal device having a main receiver and a low-power receiver, and the method comprises: determining an on-off condition of the low-power receiver based on the type of the low-power receiver, wherein different types of low-power receivers correspond to different on-off conditions.

18. The method of claim 17, wherein, The on-off condition is related to a channel quality measurement result of the terminal device on a serving cell or a camped cell.

19. The method of claim 18, wherein, The on-off condition comprises: in a case where the main receiver is in an on state, in a case where the channel quality measurement result is greater than or equal to a second threshold value, turning off the main receiver and turning on the low-power receiver. Different types of low-power receivers correspond to different second threshold values.

20. The method of claim 19, wherein, The on-off condition further comprises: in a case that the channel quality measurement result is less than or equal to a third threshold value, turning on the main receiver in a case that the main receiver is in an off state; wherein the third threshold value is the same as or different from the second threshold value.

21. The method according to claim 19 or 20, characterized in that, The turning off the main receiver and turning on the low-power-consumption receiver comprises: turning off the main receiver for measurement of the serving cell and / or the neighbor cell and turning on the low-power-consumption receiver for measurement of the serving cell.

22. The method of claim 19 or 20, wherein, The turning off the main receiver and turning on the low-power-consumption receiver comprises: turning off the main receiver for listening to a paging message and turning on the low-power-consumption receiver for listening to a low-power wake-up signal (LP-WUS).

23. The method according to any one of claims 18 to 22, characterized in that, The channel quality measurement result is determined based on at least one of the following: a measurement result obtained by the main receiver, a measurement result obtained by the low-power-consumption receiver.

24. A wireless communication device, comprising: The apparatus comprises: a sending module configured to send an uplink wake-up signal, a sending mode of the uplink wake-up signal being determined based on at least one of the following: a capability of the terminal device, a channel quality measurement result of the terminal device on a serving cell or a camped cell.

25. A wireless communication device, comprising: The apparatus is arranged on a terminal device, the terminal device having a main receiver and a low-power-consumption receiver; the apparatus comprises: a processing module configured to determine an on-off condition of the low-power-consumption receiver based on a type of the low-power-consumption receiver; wherein different types of low-power-consumption receivers correspond to different on-off conditions.

26. A terminal device, comprising: The terminal device comprises a processor and a memory, the memory storing a computer program, and the processor executes the computer program to implement the method according to any one of claims 1 to 16 or the method according to any one of claims 17 to 23.

27. A computer-readable storage medium, characterized in that, The storage medium stores a computer program, and the computer program is configured to be executed by a processor to implement the method according to any one of claims 1 to 16 or the method according to any one of claims 17 to 23.

28. A chip, characterized by The chip comprises a programmable logic circuit and / or program instructions, and when the chip is running, is configured to implement the method according to any one of claims 1 to 16 or the method according to any one of claims 17 to 23.

29. A computer program product, characterised in that, The computer program product comprises computer instructions stored in a computer readable storage medium, and a processor reads and executes the computer instructions from the computer readable storage medium to implement the method according to any one of claims 1 to 16 or the method according to any one of claims 17 to 23.

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