Communication method and communication device

Abstract

The invention provides a communication method and a communication device. The communication method provided by the application comprises: an access network device sending first information to a terminal device, the first information indicating that the terminal device does not monitor a low-power-consumption wake-up signal within a first duration, or the first information indicating that no low-power-consumption wake-up signal is transmitted within the first duration, or the first information indicating that no low-power-consumption wake-up signal is transmitted within the first duration; the first information indicates that resources of the low-power-consumption wake-up signal are unavailable within a first duration, and the low-power-consumption wake-up signal is used for waking up the terminal equipment; correspondingly, the terminal device does not monitor the low-power-consumption wake-up signal within a first duration after receiving the first information. According to the communication method, the terminal equipment can be prevented from being awakened when the access network equipment uses the first frequency domain resource in the first time length for transmitting other signals except the low-power-consumption awakening signal.

Description

[0001] This application claims priority to a Chinese patent application filed with the State Intellectual Property Office of China on July 5, 2023, with application number 202310831032.5, and invention name “A method and device for reserving and occupying resources”, the entire contents of which are incorporated by reference into this application. Technical Field

[0002] The embodiments of the present application relate to the field of communications, and in particular, to a communication method and a communication device. Background Art

[0003] The terminal device can use a separate low-power small circuit to monitor the low power wake-up signal (LP-WUS) sent by the access network device, and then demodulate the wake-up information according to the information bits carried in the LP-WUS, thereby waking up the main receiver or main receiving module that is turned off (or in sleep state) in the terminal device.

[0004] At present, the access network device configures the frequency resources or time-frequency resources used by the access network device to send LP-WUS to the terminal device through semi-static configuration. For example, the frequency resource starting position, the bandwidth of WUS, and / or the time resource position used by the access network device to send LP-WUS can be configured through radio resource control (RRC) signaling.

[0005] However, whether the access network device sends LP-WUS depends on whether there is a business demand. If there is no business demand for a period of time, the access network device will not send LP-WUS, which leads to the problem of waste of resources configured for LP-WUS. In order to avoid waste of resources, one method is to use the resources configured for LP-WUS to transmit other signals except LP-WUS when there is no LP-WUS sent, but there may be a problem of terminal devices being woken up by mistake. Summary of the invention

[0006] The present application provides a communication method and a communication device, in order to solve the problem of preventing a terminal device from being awakened when an access network device uses resources configured for LP-WUS to transmit signals other than a low-power wake-up signal.

[0007] In a first aspect, the present application provides a communication method, which is applied to a terminal device, comprising: receiving first information from an access network device, wherein the first information indicates that the terminal device does not monitor a low-power wake-up signal within a first time period, or the first information indicates that no low-power wake-up signal is transmitted within the first time period, or the first information indicates that resources for a low-power wake-up signal are unavailable within the first time period, and the low-power wake-up signal is used to wake up the terminal device; and does not monitor the low-power wake-up signal within the first time period after receiving the first information.

[0008] That is, in this embodiment, when the access network device determines that there is no low-power wake-up signal transmission within the first time period or the resources for the low-power wake-up signal are not available within the first time period, it will send a first information to the terminal device to instruct the terminal device not to monitor the low-power wake-up signal within the first time period; accordingly, the terminal device does not monitor the low-power wake-up signal within the first time period after receiving the first information.

[0009] Alternatively, in this embodiment, when the access network device determines that there is no low-power wake-up signal transmission within a first time period or the resources for the low-power wake-up signal are unavailable within the first time period, it sends a first information to the terminal device to indicate that there is no low-power wake-up signal transmission within the first time period; accordingly, after receiving the first information, the terminal device can know that there is no low-power wake-up signal transmission within the next first time period, and thus does not monitor the low-power wake-up signal within the first time period.

[0010] Alternatively, in this embodiment, when the access network device determines that there is no low-power wake-up signal transmission within the first time period or the resources for the low-power wake-up signal are unavailable within the first time period, it sends a first indication message to the terminal device to indicate that the resources for the low-power wake-up signal within the first time period are unavailable; accordingly, the terminal device does not monitor the low-power wake-up signal within the first time period after receiving the first information.

[0011] In this embodiment, the terminal device does not monitor the low power wake-up signal within the first time period, which means that the terminal device does not monitor the low power wake-up signal on the first frequency domain resource within the first time period. The first frequency domain resource is a frequency domain resource configured for the access network device to transmit the low power wake-up signal.

[0012] It is noted here that this embodiment does not limit how the access network device sends the first information to the terminal device.

[0013] For example, the first information is carried in a low power consumption synchronization signal.

[0014] For example, the first information is carried in a low power consumption wake-up signal.

[0015] When the first information is carried in the low-power synchronization signal, the specific carrying manner includes two implementation manners:

[0016] In a first implementation manner, the first information is a coded bit, and the coded bit is located after a synchronization sequence in the low power consumption synchronization signal.

[0017] The second implementation manner is to scramble the first information on a synchronization sequence in the low-power synchronization signal, wherein different synchronization sequences are obtained when different first information is scrambled.

[0018] It should be noted that this embodiment does not limit how the first information is specifically indicated.

[0019] In a first implementation manner, the first duration is a duration preconfigured by the access network device for the terminal device.

[0020] In other words, in the first implementation, the access network device needs to preconfigure a duration for the terminal device. Accordingly, the terminal device defaults the configured duration as the first duration. In this way, whenever the terminal device receives the first information sent by the access network device, it does not monitor the low-power wake-up signal within the first duration after receiving the first information.

[0021] In a second implementation, the access network device preconfigures N durations for the terminal device, where N is a positive integer greater than 1; the first information indicates a first duration, which is one of the N durations.

[0022] In other words, in the second implementation, the access network device needs to preconfigure N durations for the terminal device, and then the access network device determines one of the N durations as the first duration and indicates the first duration through the first information. Accordingly, when the terminal device receives the first information sent by the access network device, it determines the first duration based on the first information, and then does not monitor the low-power wake-up signal within the first duration after receiving the first information.

[0023] Optionally, for the first implementation and the second implementation, the duration configured in the first duration for transmitting the low-power wake-up signal is less than or equal to the first duration. For example, the access network device determines that there is no low-power wake-up signal transmission in the next 20ms, but only 10ms of the next 20ms are configured for transmitting the low-power wake-up signal, and the remaining 10ms are not configured for the low-power wake-up signal. However, at this time, the access network device can still instruct the terminal device that it does not need to monitor the low-power wake-up signal in 20ms (which can be considered as the first duration).

[0024] In a third implementation, when the terminal device is configured to discontinuously monitor the low power wake-up signal, the first duration is determined based on the monitoring duration, and the monitoring duration is the duration for which the terminal device monitors the low power wake-up signal.

[0025] In other words, if the access network device configures the terminal device to monitor the low-power wake-up signal non-continuously, or the access network device configures the terminal to periodically monitor the low-power wake-up signal, or the access network device configures the terminal device to monitor the low-power wake-up in a duty cycle, then after the terminal device receives the first information, it determines the first duration based on the preconfigured monitoring duration, and then does not monitor the low-power wake-up signal within the first duration after receiving the first information. Exemplarily, when the terminal device is configured to monitor the low-power wake-up signal non-continuously, the first duration can be the monitoring duration by default, or the first duration can be the remaining duration in the current monitoring duration by default (i.e., from the moment the first information ends to the moment the current monitoring duration ends).

[0026] It can be seen that in the communication method provided in this embodiment, when the access network indicates to the terminal device through the first information that the low-power wake-up signal will not be monitored within the first time period, or there is no low-power wake-up signal transmission within the first time period, or the resource of the low-power wake-up signal is not available within the first time period, since the terminal device no longer monitors the LP-WUS within the first time period after receiving the first information, even if the first frequency domain resources originally used to transmit the low-power wake-up signal within the first time period are used to transmit signals other than the low-power wake-up signal, there will be no problem of the terminal device being mistakenly awakened within the first time period.

[0027] In combination with the first aspect, in a possible implementation, a first frequency domain resource within a first time period is used to transmit a signal other than a low-power wake-up signal, and the first frequency domain resource is a frequency domain resource configured by an access network device for transmitting a low-power wake-up signal.

[0028] That is to say, in this embodiment, the access network device uses the first frequency domain resource configured for the low-power wake-up signal to transmit other non-low-power wake-up signals, for example, to transmit signals such as the physical downlink shared channel (PDSCH), the channel state information-reference signal (CSI-RS), etc.

[0029] It should be understood that, through this implementation, on the basis of preventing the terminal device from being woken up by mistake, the problem of resource waste when no low-power wake-up signal is sent can also be reduced.

[0030] In a second aspect, the present application provides a communication method, applied to an access network device, comprising: sending a first information, the first information indicating that the terminal device does not monitor a low-power wake-up signal within a first time period, or the first information indicates that no low-power wake-up signal is transmitted within the first time period, or the first information indicates that resources for a low-power wake-up signal are unavailable within the first time period, and the low-power wake-up signal is used to wake up the terminal device.

[0031] In combination with the second aspect, in a possible implementation manner, the first information is carried in a low power synchronization signal, or the first information is carried in a low power wake-up signal.

[0032] In combination with the second aspect, in one possible implementation, when the first information is carried in a low-power synchronization signal, the first information is a coded bit, and the coded bit is located after the synchronization sequence in the low-power synchronization signal; or, the first information is scrambled on the synchronization sequence in the low-power synchronization signal, wherein different synchronization sequences are obtained when scrambling different first information.

[0033] In combination with the second aspect, in a possible implementation manner, the first duration is a duration preconfigured by the access network device for the terminal device.

[0034] In combination with the second aspect, in a possible implementation, the access network device preconfigures N durations for the terminal device, where N is a positive integer greater than 1; the first information indicates a first duration, which is one of the N durations.

[0035] In combination with the second aspect, in a possible implementation method, the first duration is greater than the second duration, the second duration is the duration between the first moment and the second moment, the first moment is the moment when the terminal device receives the first information, and the second moment is the end moment pre-configured by the access network device for the terminal device for transmitting a low-power wake-up signal.

[0036] In combination with the second aspect, in a possible implementation, when the terminal device is configured to discontinuously monitor the low power wake-up signal, the first duration is determined based on the monitoring duration, and the monitoring duration is the duration for which the terminal device monitors the low power wake-up signal.

[0037] In combination with the second aspect, in a possible implementation, the first frequency domain resources within the first time period are used to transmit signals other than low-power wake-up signals, and the first frequency domain resources are frequency domain resources used for transmitting low-power wake-up signals configured by the access network device.

[0038] In a third aspect, the present application provides a communication method applied to a terminal device, wherein an access network device pre-configures the terminal device to monitor a low-power wake-up signal on a first time-frequency resource, and the method comprises: determining whether a first signal transmitted on the first time-frequency resource is a low-power wake-up signal; when it is determined that the first signal transmitted on the first time-frequency resource is a low-power wake-up signal, demodulating the first signal.

[0039] It is noted here that this embodiment does not limit how the terminal device determines whether the first signal transmitted on the first time-frequency resource is a low-power wake-up signal.

[0040] For example, in one possible implementation, when the low-power wake-up signal adopts on-off keying OOK modulation, determining whether the first signal transmitted on the first time-frequency resource is a low-power wake-up signal includes: when the first value and the second value meet the first condition, determining that the first signal transmitted on the first time-frequency resource is a low-power wake-up signal; wherein the first value is determined according to the energy value or amplitude value of M first OOK symbols in the first signal, and the second value is determined according to the energy value or amplitude value of M second OOK symbols in the first signal, the first OOK symbol and the second OOK symbol carry different bit information, and M is a positive integer.

[0041] As an example, the first value is the sum of energy values ​​of M first OOK symbols, the second value is the sum of energy values ​​of M second OOK symbols, and the first condition is that the ratio of the first value to the second value is greater than a first threshold.

[0042] For example, in one possible implementation, when the low-power wake-up signal adopts the frequency shift keying FSK modulation method, determining whether the first signal transmitted on the first time-frequency resource is a low-power wake-up signal includes: when the third value and the fourth value meet the second condition, determining that the first signal transmitted on the first time-frequency resource is a low-power wake-up signal, the third value is determined according to the energy value or amplitude value of each FSK symbol in the first signal at the first frequency position, and the fourth value is determined according to the energy value or amplitude value of each FSK symbol in the first signal at the second frequency position; wherein, the first frequency position and the second frequency position are different, and different FSK symbols carry different bit information.

[0043] As an example, the third value is the sum of the energy values ​​of each FSK symbol in the first signal at the first frequency position, the fourth value is the sum of the energy values ​​of each FSK symbol in the first signal at the second frequency position, and the second condition is that the ratio of the third value to the fourth value is greater than the second threshold.

[0044] That is to say, in the communication method provided in this embodiment, the first signal is demodulated only when the terminal device determines that the first signal transmitted on the first time-frequency resource is a low-power wake-up signal. Or to put it another way, when the terminal device determines that the first signal transmitted on the first time-frequency resource is not a low-power wake-up signal, the first signal is not demodulated, and therefore, there will be no problem of the terminal device being woken up by mistake.

[0045] In a fourth aspect, the present application provides a communication device, which is applied to a terminal device, including: a transceiver module, used to receive first information from an access network device, the first information indicating that the terminal device does not monitor a low-power wake-up signal within a first time period, or the first information indicates that no low-power wake-up signal is transmitted within the first time period, or the first information indicates that resources for a low-power wake-up signal are unavailable within the first time period, and the low-power wake-up signal is used to wake up the terminal device; a processing module, used to not monitor the low-power wake-up signal within a first time period after receiving the first information.

[0046] In combination with the fourth aspect, in a possible implementation manner, the first information is carried in a low power synchronization signal, or the first information is carried in a low power wake-up signal.

[0047] In combination with the fourth aspect, in one possible implementation, when the first information is carried in a low-power synchronization signal, the first information is a coded bit, and the coded bit is located after the synchronization sequence in the low-power synchronization signal; or, the first information is scrambled on the synchronization sequence in the low-power synchronization signal, wherein different synchronization sequences are obtained when scrambling different first information.

[0048] In combination with the fourth aspect, in a possible implementation manner, the first duration is a duration preconfigured by the access network device for the terminal device.

[0049] In combination with the fourth aspect, in a possible implementation method, the access network device preconfigures N durations for the terminal device, where N is a positive integer greater than 1; the first information indicates a first duration, and the first duration is one of the N durations.

[0050] In combination with the fourth aspect, in a possible implementation manner, the duration configured in the first duration for transmitting the low-power wake-up signal is less than or equal to the first duration.

[0051] In combination with the fourth aspect, in a possible implementation, when the terminal device is configured to discontinuously monitor the low power wake-up signal, the first duration is determined based on the monitoring duration, and the monitoring duration is the duration for which the terminal device monitors the low power wake-up signal.

[0052] In combination with the fourth aspect, in a possible implementation, the first frequency domain resources within the first time length are used to transmit signals other than low-power wake-up signals, and the first frequency domain resources are frequency domain resources used for transmitting low-power wake-up signals configured by the access network device.

[0053] In a fifth aspect, the present application provides a communication device, applied to an access network device, including: a transceiver module, used to send a first information, the first information indicating that the terminal device does not monitor the low-power wake-up signal within a first time period, or, the first information indicates that no low-power wake-up signal is transmitted within the first time period, or, the first information indicates that the resources for the low-power wake-up signal are unavailable within the first time period, and the low-power wake-up signal is used to wake up the terminal device.

[0054] In combination with the fifth aspect, in a possible implementation manner, the first information is carried in a low power synchronization signal, or the first information is carried in a low power wake-up signal.

[0055] In combination with the fifth aspect, in one possible implementation, when the first information is carried in a low-power synchronization signal, the first information is a coded bit, and the coded bit is located after the synchronization sequence in the low-power synchronization signal; or, the first information is scrambled on the synchronization sequence in the low-power synchronization signal, wherein different synchronization sequences are obtained when scrambling different first information.

[0056] In combination with the fifth aspect, in a possible implementation manner, the first duration is a duration preconfigured by the access network device for the terminal device.

[0057] In combination with the fifth aspect, in a possible implementation method, the access network device preconfigures N durations for the terminal device, where N is a positive integer greater than 1; the first information indicates a first duration, and the first duration is one of the N durations.

[0058] In combination with the fifth aspect, in a possible implementation manner, the duration configured in the first duration for transmitting the low-power wake-up signal is less than or equal to the first duration.

[0059] In combination with the fifth aspect, in a possible implementation, when the terminal device is configured to discontinuously monitor the low power wake-up signal, the first duration is determined based on the monitoring duration, and the monitoring duration is the duration for which the terminal device monitors the low power wake-up signal.

[0060] In combination with the fifth aspect, in a possible implementation method, the first frequency domain resources within the first time length are used to transmit signals other than low-power wake-up signals, and the first frequency domain resources are frequency domain resources used for transmitting low-power wake-up signals configured by the access network device.

[0061] In a sixth aspect, the present application provides a communication device, applied to a terminal device, wherein an access network device pre-configures the terminal device to monitor a low-power wake-up signal on a first time-frequency resource, and the device includes: a processing module, used to determine whether a first signal transmitted on the first time-frequency resource is a low-power wake-up signal; and when it is determined that the first signal transmitted on the first time-frequency resource is a low-power wake-up signal, demodulating the first signal.

[0062] In combination with the sixth aspect, in a possible implementation method, when the wake-up signal adopts on-off keying OOK modulation, the processing module is specifically used to: when the first value and the second value meet the first condition, determine that the first signal transmitted on the first time-frequency resource is a low-power wake-up signal; wherein the first value is determined according to the energy value or amplitude value of M first OOK symbols in the first signal, and the second value is determined according to the energy value or amplitude value of M second OOK symbols in the first signal, the first OOK symbol and the second OOK symbol carry different bit information, and M is a positive integer.

[0063] In combination with the sixth aspect, in one possible implementation, the first value is the sum of energy values ​​of M first OOK symbols, the second value is the sum of energy values ​​of M second OOK symbols, and the first condition is that the ratio of the first value to the second value is greater than a first threshold.

[0064] In combination with the sixth aspect, in a possible implementation method, when the low-power wake-up signal adopts frequency shift keying FSK modulation, the processing module is specifically used to: when the third value and the fourth value meet the second condition, determine that the first signal transmitted on the first time-frequency resource is a low-power wake-up signal, the third value is determined according to the energy value or amplitude value of each FSK symbol in the first signal at the first frequency position, and the fourth value is determined according to the energy value or amplitude value of each FSK symbol in the first signal at the second frequency position; wherein the first frequency position and the second frequency position are different, and different FSK symbols in each FSK symbol carry different bit information.

[0065] In combination with the sixth aspect, in a possible implementation method, the third value is the sum of the energy values ​​of each FSK symbol in the first signal at the first frequency position, the fourth value is the sum of the energy values ​​of each FSK symbol in the first signal at the second frequency position, and the second condition is that the ratio of the third value to the fourth value is greater than the second threshold.

[0066] In the seventh aspect, the present application provides a communication device, comprising: a memory and a processor; the memory is used to store program instructions; the processor is used to call the program instructions in the memory to execute the method described in the first aspect or the second aspect or the third aspect or any possible implementation thereof.

[0067] In an eighth aspect, the present application provides a communication system, comprising the communication device as described in the third aspect, and the communication devices as described in the fourth aspect and the fifth aspect.

[0068] In a ninth aspect, the present application provides a computer-readable medium storing a program code for computer execution, wherein the program code includes instructions for executing the method as described in any one of the first to third aspects or any possible implementation thereof.

[0069] In the tenth aspect, the present application provides a computer program product, which includes a computer program code. When the computer program code runs on a computer, the computer implements the method described in any one of the first to third aspects or any possible implementation method thereof.

[0070] Among them, the technical effects brought about by any implementation method in the fourth to tenth aspects can be referred to the technical effects brought about by the above-mentioned first to third aspects and any possible implementation method therein, and will not be repeated here. BRIEF DESCRIPTION OF THE DRAWINGS

[0071] Figure 1 A schematic diagram of the application scenario provided for this application;

[0072] Figure 2 A schematic diagram of OOK modulation provided by this application;

[0073] Figure 3 A schematic diagram of FSK modulation provided by this application;

[0074] Figure 4 A schematic diagram of frequency domain resources configured for the access network device provided in this application;

[0075] Figure 5 A schematic diagram of time-frequency resources configured for the access network device provided in this application;

[0076] Figure 6 A flow chart of a communication method provided by one embodiment of the present application;

[0077] Figure 7 A schematic diagram of how to determine a first duration provided in one embodiment of the present application;

[0078] Figure 8 A flow chart of a communication method is provided for another embodiment of the present application;

[0079] Fig. 9 A schematic diagram of a communication device provided by an embodiment of the present application;

[0080] Fig.10 A schematic diagram of a communication device provided in accordance with another embodiment of the present application. DETAILED DESCRIPTION

[0081] In order to facilitate the clear description of the technical solutions of the embodiments of the present application, in the embodiments of the present application, the words "first" and "second" are used to distinguish the same items or similar items with basically the same functions and effects. For example, the first information and the second information are used to distinguish different information, and their order is not limited. Those skilled in the art can understand that the words "first" and "second" do not limit the quantity and execution order, and the words "first" and "second" do not necessarily limit them to be different.

[0082] It should be noted that, in this application, words such as "exemplarily" or "for example" are used to indicate examples, illustrations or explanations. Any embodiment or design described as "exemplarily" or "for example" in this application should not be interpreted as being more preferred or more advantageous than other embodiments or designs. Specifically, the use of words such as "exemplarily" or "for example" is intended to present related concepts in a specific way.

[0083] The embodiments of the present application provide a communication method and device, wherein the method and device are based on the same technical concept. Since the principles of solving problems by the method and device are similar, the implementation of the device and the method can refer to each other, and the repeated parts will not be repeated.

[0084] The technical solution provided in the embodiment of the present application can be applied to various communication systems. For example, the communication system used can be a global system of mobile communication (GSM) system, a code division multiple access (CDMA) system, a wideband radio service (GPRS), a long term evolution (LTE) system, an advanced long term evolution (LTE-A), a LTE frequency division duplex (FDD) system, a LTE time division duplex (TDD) system, a universal mobile telecommunication system (UMTS), a fifth generation mobile communication system, and some future communication systems (such as a sixth generation mobile communication system).

[0085] Below, in conjunction with the accompanying drawings, the embodiments of the present application are described in detail.

[0086] First, combine Figure 1 The following describes a communication system applicable to an embodiment of the present application. Figure 1 A schematic diagram of a communication system applicable to an embodiment of the present application is shown, Figure 1 As shown, the communication system includes a network device 101 and a terminal device 102 .

[0087] The network device 101 may be any device having a wireless transceiver function. The device includes but is not limited to: evolved NodeB (eNB or eNodeB), radio network controller (RNC), Node B (NB), base station controller (BSC), base transceiver station (BTS), home base station (e.g., home evolved NodeB, or home Node B, HNB), base band unit (BBU), access point (AP) in wireless fidelity (WIFI) system, wireless relay node, wireless backhaul node, transmission point (TP) or transmission and reception point (TRP), etc., and can also be a gNB in ​​5G, such as NR, system, or a transmission point (TRP or TP), one or a group of (including multiple antenna panels) antenna panels of a base station in a 5G system, or it can also be a network node constituting a gNB or a transmission point, such as a baseband unit (BBU) or a distributed unit (DU), etc.

[0088] In some deployments, the gNB may include a centralized unit (CU) and a DU. The gNB may also include a radio unit (RU). The CU implements some functions of the gNB, and the DU implements some functions of the gNB, for example, the CU implements the functions of the radio resource control (RRC) and packet data convergence protocol (PDCP) layers, and the DU implements the functions of the radio link control (RLC) layer, the media access control (MAC) layer, and the physical (PHY) layer. Since the information of the RRC layer will eventually become the information of the physical layer, or be converted from the information of the physical layer, under this architecture, high-level signaling, such as RRC layer signaling, can also be considered to be sent by the DU, or by the DU+CU. It can be understood that the network device can be a CU node, a DU node, or a device including a CU node and a DU node. In addition, the CU can be divided into a network device in an access network (radio access network, RAN), and the CU can also be divided into a network device in a core network (core network, CN), which is not limited in this application.

[0089] The terminal device 102 may be a device that provides voice and / or data connectivity to a user, for example, a handheld device with wireless connection function, a vehicle-mounted device, etc. The terminal device may also be referred to as user equipment (UE), access terminal, user unit, user station, mobile station, mobile, remote station, remote terminal, mobile equipment, user terminal, wireless telecom equipment, user agent, user equipment or user device. The terminal device may be a station (STA) in a wireless local area network (WLAN), a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA) device, 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, and a terminal in a next-generation communication system (e.g., a fifth-generation (5G) communication network) or a terminal device in a future-evolved public land mobile network (PLMN) network. Among them, 5G can also be referred to as a new radio (NR). In a possible application scenario of the present application, the terminal device may also be a terminal device that often works on the ground, such as a vehicle-mounted device. In the present application, for the sake of ease of description, the chip deployed in the above-mentioned device, or the chip may also be referred to as a terminal device.

[0090] In the present application, the network device and the terminal device may communicate through the authorized spectrum, may communicate through the unauthorized spectrum, or may communicate through both the authorized spectrum and the unauthorized spectrum. The network device and the terminal device may communicate through the spectrum below 6 gigahertz (GHZ), may communicate through the spectrum above 6 GHZ, or may communicate using the spectrum below 6 GHZ and the spectrum above 6 GHZ at the same time. The embodiments of the present application do not limit the spectrum resources used between the network device and the terminal device.

[0091] Understandably, Figure 1 The number of terminal devices shown in the figure is only an example, and the specific number of terminal devices does not constitute a limitation of the present application.

[0092] It should be noted that in the embodiment of the present application, the terminal device or network device includes a hardware layer, an operating system layer running on the hardware layer, and an application layer running on the operating system layer. The hardware layer includes hardware such as a central processing unit (CPU), a memory management unit (MMU), and a memory (also called main memory). The operating system can be any one or more computer operating systems that implement business processing through a process, such as a Linux operating system, a Unix operating system, an Android operating system, an iOS operating system, or a windows operating system. The application layer includes applications such as a browser, an address book, a word processing software, and an instant messaging software. In addition, the embodiment of the present application does not specifically limit the specific structure of the execution subject of the method provided in the embodiment of the present application, as long as it can communicate according to the method provided in the embodiment of the present application by running a program that records the code of the method provided in the embodiment of the present application. For example, the execution subject of the method provided in the embodiment of the present application can be a terminal device or a network device, or a functional module in a terminal device or a network device that can call a program and execute a program.

[0093] In addition, the methods of various aspects of the present application can be implemented using programming and form a computer program accessed by a computer-readable device, carrier or medium. For example, a computer-readable medium may include, but is not limited to: a magnetic storage device (e.g., a hard disk, a floppy disk or a magnetic tape, etc.), an optical disk (e.g., a compact disc (CD), a digital versatile disc (DVD), etc.), a smart card and a flash memory device (e.g., an erasable programmable read-only memory (EPROM), a card, a stick or a key drive, etc.). In addition, the various storage media described herein may represent one or more devices and / or other machine-readable media for storing information. The term "machine-readable medium" may include, but is not limited to, wireless channels and various other media capable of storing, containing and / or carrying instructions and / or data.

[0094] exist Figure 1 In the communication system shown, whether the terminal device performs paging reception in an idle state / inactive state or receives data in a connected state, the main receiver (or main circuit) in the terminal device can be used to complete these functions. In this embodiment, the terminal device using the main receiver to receive a signal is also referred to as working on the main link, or as the main receiver being in a working state. It can be understood that the main circuit (or main receiver) is only named for distinction, and its specific naming does not limit the scope of protection of this application. For ease of explanation, the following description is unified as the main circuit.

[0095] The signal received by the terminal device using the main circuit can be said to be transmitted on the main link, where the main link represents a connection relationship between the terminal device and the network device, which is a logical concept rather than a physical entity. It can be understood that the main link is only named for distinction, and its specific naming does not limit the scope of protection of this application.

[0096] In order to reduce the power consumption of the terminal device, the terminal device can receive paging-related messages by using a separate low-power small circuit. The low-power small circuit can be implemented using a separate small circuit or chip with a simple structure, and its power consumption is low. The low-power small circuit can be called a wake-up radio (WUR), or a wake-up circuit, or a low-power circuit, or a wake-up receiver (WUR), etc., and the present application does not limit its naming. In the present application, for ease of description, the low-power small circuit is referred to as a wake-up circuit. It can be understood that the wake-up circuit is only named for distinction, and its specific naming does not limit the scope of protection of the present application. For ease of explanation below, it is uniformly described as a wake-up circuit.

[0097] Among them, the signal received by the WUR module is called a low power wake up signal (LP-WUS). The LP-WUS can be used to wake up at least one terminal device or at least one group of terminal devices. That is, when the terminal device detects the LP-WUS sent by the network device, it wakes up the turned-off (or sleeping) main receiver or main receiving module in the terminal device. In this embodiment, the terminal device using the WUR module to receive LP-WUS is also referred to as working on the WUR link, or is also referred to as the WUR module being in working state.

[0098] As an example, when in idle / inactive state, LP-WUS can be used to carry information related to paging. Specifically, paging is divided into two categories:

[0099] 1) When the terminal device is in the idle state, the received paging call is called core network paging (CN paging). At this time, the paging is initiated by the core network, and the terminal device identifier (UE ID) of the paging terminal device is sent to the base station to send the paging information. In this case, the UE ID is a temporary mobile subscription identifier (TMSI), such as 5G-S-TMSI, which is 48 bits long.

[0100] 2) When the terminal device is in the inactive state, the received paging call is called access network paging (RAN paging). At this time, the paging is initiated by the base station, specifically, the last serving gNB, that is, the base station corresponding to the cell where the terminal device is located when the terminal device changes from the RRC connected state to the inactive state. The last serving gNB will send the UE ID of the paging terminal device to the base station that is to send the paging information. In this case, the UE ID is, for example, I-RNTI, which is allocated by the last serving cell and has a length of 40 bits.

[0101] Specifically, in order to reduce the power consumption of the LP-WUS module, when the network device sends the LP-WUS to the terminal device, the LP-WUS usually adopts some simple modulation methods such as on-off keying (OOK).

[0102] Exemplarily, when modulation is performed based on OOK, a high level is used to represent information bit 1, and a low level is used to represent information bit 0. Or vice versa, a low level is used to represent information bit 1, and a high level is used to represent information bit 0. Among them, the high level and the low level can be considered as two symbols used to represent different information bits, and in this application, they are respectively referred to as high level symbols and low level symbols (also collectively referred to as OOK symbols).

[0103] For example, assuming the wake-up signal is 0011010100, when OOK is used for modulation, if the high-level symbol represents the information bit 1 and the low-level symbol represents the information bit 0, then Figure 2 As shown, they will correspond to low level symbol, low level symbol, high level symbol, high level symbol, low level symbol, high level symbol, low level symbol, high level symbol, low level symbol, and low level symbol respectively.

[0104] Correspondingly, when LP-WUS is modulated in OOK mode, the WUR module in the terminal device receives LP-WUS in envelope detection mode. Specifically, when the WUR module demodulates the received LP-WUS, a threshold can be set. If the received signal power (or signal amplitude) is higher than the threshold within an OOK symbol length, the received information bit is considered to be 1; if the received signal power (or signal amplitude) is lower than the threshold, the received information bit is considered to be 0.

[0105] However, in the above method, if the set threshold is inappropriate, it will lead to an increase in the probability of demodulation errors. To solve this problem, one way is to use Manchester coding. For example, Manchester coding encodes the original information bit "0" as "10" and the original information bit "1" as "01". Then, when the transmitter sends a signal, it uses 2 OOK symbols to send 1 bit of the original information. For example, the original information bit "0" corresponds to a high-level symbol followed by a low-level symbol, and the original information bit "1" corresponds to a low-level symbol followed by a high-level symbol. Correspondingly, when the receiver demodulates the signal encoded by Manchester coding, it can compare the relative magnitudes of the signal power (or signal amplitude) within two adjacent OOK symbols. If the signal power (or signal amplitude) within the previous OOK symbol is greater than that within the subsequent OOK symbol, it is considered that the received information bit is "0", otherwise, it is considered that the received information bit is "1". In this way, the need to select an absolute threshold for decision-making can be avoided.

[0106] Alternatively, LP-WUS can also use frequency shift keying (FSK) modulation. When using FSK modulation, different information uses different frequencies. For example, 2FSK can carry 1-bit information. When the information bit is 0, the information can be sent at frequency f0 and not sent at frequency f1; when the information bit is 1, the information can be sent at frequency f1 and not sent at frequency f0. Assuming f0 < f1, the waveform of the FSK signal with the information 0101 is as Figure 3 shown. Within the first FSK symbol and the third FSK symbol, the frequency of the signal is lower, and within the second FSK symbol and the fourth FSK symbol, the frequency of the signal is higher. When the receiver demodulates the signal, it can compare the power levels at f0 and f1 to determine whether the transmitted information bit is 0 or 1.

[0107] In addition, FSK can also support higher modulation orders to carry more information. For example, 4FSK can carry 2-bit information. When the information bit is 00, the information can be sent at frequency f0 and not sent at frequencies f1, f2, f3; when the information bit is 01, the information can be sent at frequency f1 and not sent at frequencies f0, f2, f3; when the information bit is 10, the information can be sent at frequency f2 and not sent at frequencies f0, f1, f3; when the information bit is 11, the information can be sent at frequency f3 and not sent at frequencies f0, f1, f2. Similarly, the receiver can compare the power levels at multiple frequencies to determine the transmitted information bit.

[0108] For Figure 1In the communication system shown, currently, the network device will indicate the frequency resources or time-frequency resources used to transmit LP-WUS to the terminal device through a semi-static configuration, and accordingly, the terminal device monitors LP-WUS on the corresponding time-frequency resources.

[0109] For example, if the access network device configures the terminal device to only occupy part of the frequency resources of a carrier with LP-WUS, for example Figure 4 As shown, assuming that the bandwidth of a carrier is 100MHZ, the access network device can configure the bandwidth of LP-WUS to be 5MHZ. Accordingly, the WUR module of the terminal device is always turned on, and the LP-WUS transmitted on the bandwidth of 5MHZ is monitored at all possible time positions of LP-WUS transmission.

[0110] Exemplarily, the access network device configures both the frequency resource for transmitting the LP-WUS and the time position for transmitting the LP-WUS, for example Figure 5 As shown in the figure, the black part in the figure is the resource configured for LP-WUS, and the rest is the resource used to transmit other signals except LP-WUS. Accordingly, when the terminal device monitors LP-WUS, it only monitors at all time positions configured by the access network device for transmitting LP-WUS.

[0111] Exemplarily, the access network device configures both frequency resources for transmitting LP-WUS and at least one of a monitoring period, a monitoring offset value, and a monitoring duration of LP-WUS. Accordingly, the terminal device periodically monitors LP-WUS, or also referred to as duty cycle monitoring of LP-WUS by the terminal device, or also referred to as discontinuous monitoring of LP-WUS by the terminal device.

[0112] However, whether the network side sends LP-WUS depends on whether there is a business demand. If there is no business demand for a period of time, the network side will not send LP-WUS. It should be understood that in this case, from the system perspective, the resources configured for LP-WUS will be wasted.

[0113] Therefore, in order to avoid wasting resources, one method is to use the resources configured for LP-WUS to transmit other signals except LP-WUS when there is no LP-WUS to send, but this will lead to additional problems: As mentioned above, LP-WUS adopts simple modulation methods such as OOK / FSK. After receiving LP-WUS, the terminal device may determine the bit information carried by comparing the energy size at different time or frequency positions. When the resources configured for LP-WUS are used to transmit other signals except LP-WUS, since these other signals also carry energy, the terminal device can also demodulate some information from these signals, and at this time there may be a problem of the terminal device being woken up by mistake.

[0114] In view of this, the present application provides a communication method and a communication device, so as to avoid the problem of terminal equipment being awakened when the access network equipment uses the resources configured for LP-WUS to transmit other signals except the low-power wake-up signal.

[0115] Next, combine Figure 6 , describing a communication method provided by this application. Figure 6 As shown, the method includes:

[0116] S601, the access network device sends first information to the terminal device, and accordingly, the terminal device receives the first information. The first information indicates that the terminal device does not monitor the low-power wake-up signal within a first duration, or the first information indicates that there is no low-power wake-up signal transmission within the first duration, or the first information indicates that the resource of the low-power wake-up signal is unavailable within the first duration, and the low-power wake-up signal is used to wake up the terminal device.

[0117] S602: The terminal device does not monitor the low power consumption wake-up signal within a first period of time after receiving the first information.

[0118] As mentioned above, after the access network device is configured with the frequency domain resources or time-frequency resources used by LP-WUS, there may still be a situation where the network side does not send LP-WUS. It should be understood that when the access network device is configured with resources (frequency domain resources and / or time-frequency resources) for transmitting LP-WUS but the network side does not send LP-WUS on the resource, from the communication system level, it will cause a waste of the resource; on the other hand, from the terminal perspective, since the terminal device does not know that the access network device does not send LP-WUS on the resource, the terminal device will still monitor LP-WUS on the resource, resulting in high power consumption of the terminal device.

[0119] Therefore, in this embodiment, when the access network device determines that there is no LP-WUS transmission, the access network device will send a first information to the terminal device, wherein the first information indicates any one of the following: no monitoring of LP-WUS within a first time period, no LP-WUS transmission within the first time period, and LP-WUS resources are unavailable within the first time period; accordingly, the terminal device does not monitor the low-power wake-up signal within the first time period after receiving the first information.

[0120] That is, in this embodiment, when the access network device determines that there is no LP-WUS transmission within the first time period or the LP-WUS resources are not available within the first time period, it will send to the terminal device first information to instruct the terminal device not to monitor LP-WUS within the first time period; accordingly, the terminal device does not monitor LP-WUS within the first time period after receiving the first information.

[0121] Alternatively, in this embodiment, when the access network device determines that there is no LP-WUS transmission within the first time period or the LP-WUS resources are unavailable within the first time period, it sends to the terminal device first information indicating that there is no LP-WUS transmission within the first time period; accordingly, after receiving the first information, the terminal device can know that there is no LP-WUS transmission within the next first time period, and thus does not monitor LP-WUS within the first time period.

[0122] Alternatively, in this embodiment, when the access network device determines that there is no LP-WUS transmission within the first time period or the LP-WUS resources are unavailable within the first time period, it sends first indication information to the terminal device to indicate that the LP-WUS resources are unavailable within the first time period; accordingly, the terminal device does not monitor low LP-WUS within the first time period after receiving the first information.

[0123] In this embodiment, the terminal device does not monitor the low power wake-up signal within the first time period, which means that the terminal device does not monitor the low power wake-up signal on the first frequency domain resource within the first time period. The first frequency domain resource is a frequency domain resource configured for the access network device to transmit the low power wake-up signal.

[0124] It should be noted that this embodiment does not limit how the terminal device determines the starting position of the first duration.

[0125] For example, the starting position of the first duration is the starting position of the first information.

[0126] For another example, the starting position of the first duration is the starting position of a time unit under the time unit occupied by the first information, wherein the time unit may be, for example, a symbol, a subframe, a frame, or an LP-WUS occasion.

[0127] It is noted here that this embodiment does not limit how the first information of the access network device specifically indicates that LP-WUS is not monitored within the first time period, or there is no LP-WUS transmission within the first time period, or LP-WUS resources are unavailable within the first time period.

[0128] In a first implementation, the first duration is a duration preconfigured by the access network device for the terminal device. For example, a duration T1 is preconfigured through RRC signaling (such as SIB information); accordingly, whenever the terminal device receives the first information sent by the access network device, the terminal device does not monitor the LP-WUS within the next T1.

[0129] In a second implementation manner, the access network device may pre-configure N durations for the terminal device, where N is a positive integer greater than 1, and then indicate one of the N durations through the first information.

[0130] Or in other words, the access network device can pre-configure N durations for the terminal device, and then indicate one of the N durations through the first information, wherein the duration indicated by the first information can be considered as the first duration.

[0131] As an example of the second implementation, assuming that the first information is p bits, the p bits can indicate 2 P The access network device can pre-configure 2 through RRC signaling (such as SIB information). P duration, and then indicate from 2 through different values ​​of p bit P For example, assuming that the first information is 2 bits, the access network device can pre-configure 4 durations T1, T2, T3 and T4 through RRC signaling, and then when the first information is 01, it can be considered that the terminal device is instructed not to monitor LP-WUS within the duration T2, or it can be considered that the terminal device is instructed that there is no LP-WUS transmission within the duration T2, or it can be considered that the terminal device is instructed that the LP-WUS resources are unavailable within the duration T2; accordingly, after receiving the first information 01, the terminal device determines that the first duration is T2, and then does not monitor LP-WUS within the duration T2 after receiving the first information.

[0132] Optionally, for the first implementation and the second implementation, the first duration includes a duration configured for transmitting the LP-WUS. In other words, the duration configured for transmitting the LP-WUS in the first duration is less than or equal to the first duration.

[0133] For example, the access network device determines that there is no low-power wake-up signal transmission in the next 20ms, but only 10ms of the next 20ms are configured for LP-WUS transmission, and the remaining 10ms are not configured for low-power wake-up signals. However, at this time, the access network device can still instruct the terminal device not to monitor the low-power wake-up signal in 20ms (which can be considered as the first duration).

[0134] In the third implementation, it is applicable to the scenario where the access network device configures the terminal device to monitor LP-WUS discontinuously. As mentioned above, the terminal device may be configured to monitor LP-WUS discontinuously, that is, the terminal device periodically monitors LP-WUS. In this application, the duration of the terminal device monitoring LP-WUS in each period when periodically monitoring LP-WUS is also referred to as the monitoring duration. At this time, the first duration can be the monitoring duration by default, or, as Figure 7 As shown, the first duration may be defaulted to be the remaining duration in the current monitoring duration (ie, the time from the end of the first information to the end of the current monitoring duration).

[0135] That is to say, in the third implementation method, if the terminal device periodically monitors LP-WUS, at this time, when the access network device determines that there is no LP-WUS in the next period of time, the access network device sends a first information to the terminal device, and the first information indicates that there is no LP-WUS in the next first time period; accordingly, after receiving the first information, the terminal device defaults to the first time period referring to the current monitoring time period or the remaining time period in the current monitoring time period, and then does not monitor LP-WUS in the next monitoring time period or the remaining time period.

[0136] It should be noted that this embodiment does not limit how the access network device specifically sends the first information to the terminal device.

[0137] For example, when sending the first information, one way is to carry the first information in a low power synchronization signal (LP-SS) and send it to the terminal device.

[0138] Among them, LP-SS is a synchronization signal that can be used by the WUR module. It can be used for time and frequency synchronization of the WUR module, and can also be used for radio resource management (RRM) measurement of the WUR module. Exemplarily, LP-SS can be sent periodically. Specifically, LP-SS includes at least one specific synchronization sequence, and the WUR module can perform time deviation / frequency deviation correction according to the sequence.

[0139] When the first information is carried in the LP-SS, there are two carrying methods:

[0140] The first carrying mode is: the first information is a coded bit located after the synchronization sequence.

[0141] Or in other words, several codes may be attached after the synchronization sequence of the LP-SS, and these coded bits are the first indication information for indicating that the LP-WUS is not monitored within the first time length, or there is no LP-WUS transmission within the first time length, or the resources of the LP-WUS are unavailable within the first time length.

[0142] As an example, when the first duration is a duration preconfigured by the access network device for the terminal device, the first information may be, for example, 1 coded bit. For example, when the 1 coded bit is bit 0, it is considered to indicate that the LP-WUS is not monitored within the first duration, or there is no LP-WUS transmission within the first duration, or the LP-WUS resources are unavailable within the first duration, or vice versa.

[0143] As another example, when the first duration is 2 seconds, which is pre-configured by the access network device for the terminal device, P When the first information is one of the durations, the first information may be, for example, p coded bits, and different values ​​of the p coded bits correspond to 2 P Different durations in a time period.

[0144] The second carrying method is to carry the first information on the synchronization sequence of the LP-SS by scrambling. Different synchronization sequences are obtained when different first information is scrambled, or in other words, different first information can correspond to different synchronization sequences. In this carrying method, when the terminal device receives the LP-SS, it can determine the first information by detecting which synchronization sequence it is.

[0145] For example, assuming that the first information is 1 bit, it can correspond to two different synchronization sequences, and then the access network device can send one of the two synchronization sequences each time; accordingly, the terminal device detects the synchronization sequence sent by the access network device and determines the first information sent.

[0146] For example, assuming that the first information is p bits, then it can correspond to 2 P Different synchronization sequences, and then the access network device can send these 2 P Accordingly, the terminal device detects the synchronization sequence sent by the access network device and determines the first information.

[0147] That is, when the first information is carried by LP-SS for indication, if the first information is carried as a coded bit after the synchronization sequence, it can be considered as an explicit indication method. If the first information is carried on the synchronization sequence of LP-SS by scrambling, it can be considered as an implicit indication method.

[0148] In this embodiment, when sending the first information, another way is to carry the first information in the LP-WUS and send it to the terminal device.

[0149] For example, in addition to the information indicating the awakened terminal device or terminal device group, the LP-WUS also includes the first information.

[0150] For another example, LP-WUS may have multiple different formats, and the indication information may be carried by a certain format of LP-WUS, such as LP-WUS format 1 carries the wake-up information, and LP-WUS format 2 carries the indication information.

[0151] It can be seen that in the communication method provided in this embodiment, when the access network indicates to the terminal device through the first information that the low-power wake-up signal will not be monitored within the first time period, or there is no low-power wake-up signal transmission within the first time period, or the resources for the low-power wake-up signal are unavailable within the first time period, since the terminal device no longer monitors the LP-WUS within the first time period after receiving the first information, the terminal device will no longer be mistakenly awakened within the first time period, thereby reducing the power consumption of the terminal device.

[0152] As an optional embodiment, based on Figure 2 In the described embodiment, the first frequency domain resource within the first time duration can also be used to transmit signals other than the low power wake-up signal, wherein the first frequency domain resource is a frequency domain resource used for transmitting LP-WUS configured by the access network device.

[0153] That is to say, in this embodiment, the access network device no longer transmits LP-WUS on the first frequency domain resource configured by LP-WUS within the first time period, but transmits signals other than LP-WUS on the first frequency domain resource, which is also referred to as other non-LP-WUS signals in this application. Or in other words, in this embodiment, the first frequency domain resource configured by the access network device for LP-WUS is used for transmission of other non-LP-WUS signals.

[0154] It should be understood that, through this implementation, on the basis of preventing the terminal device from being woken up by mistake, the problem of resource waste when no LP-WUS is sent can also be reduced.

[0155] Above, combined Figures 4 to 7The method of preventing the terminal device from being woken up by mistake by sending a first message from the network side to instruct the terminal device not to monitor the LP-WUS within a first time period is described. Figure 8 , and then give a method to prevent the terminal device from being woken up by mistake.

[0156] like Figure 8 As shown, the method includes:

[0157] S801, the access network device sends a first signal to the terminal device on the first time-frequency resource.

[0158] In this embodiment, the first time-frequency resource is a resource configured by the access network device for the terminal device for transmitting LP-WUS.

[0159] It should be understood that here only the access network device configures the resources for transmitting LP-WUS. However, whether the first signal actually transmitted on the first time-frequency resource is LP-WUS is determined by the access network device. In other words, in this embodiment, although the access network device configures the time-frequency resource for transmitting LP-WUS to the terminal device as the first time-frequency resource, the access network device may not transmit LP-WUS on the first time-frequency resource.

[0160] S802: The terminal device determines whether a first signal transmitted on a first time-frequency resource is an LP-WUS, and when determining that the first signal transmitted on the first time-frequency resource is an LP-WUS, demodulates the first signal.

[0161] As mentioned above, the modulation method adopted by LP-WUS is usually a simple modulation method such as OOK modulation or FSK modulation.

[0162] For OOK modulation, some of the multiple OOK symbols contained in an LP-WUS carry energy, while others do not, so there is an energy difference between the OOK symbols; further, when Manchester encoding is used, one of every two OOK symbols carries energy, while the other does not, so there is an energy difference between the two symbols. For FSK modulation, only one frequency position among different frequency positions has signal energy, so there is also an energy difference between different frequency positions. In other words, for LP-WUS, the energy difference between different OOK symbols or different frequency positions is relatively large.

[0163] If the transmitted signal is other than LP-WUS, such as physical downlink shared channel (PDSCH) or channel state information-reference signal (CSI-RS), the modulation method usually adopted is based on quadrature amplitude modulation (QAM), or a constant envelope signal generated based on a specific sequence. At this time, the energy of the signal is similar at different OOK symbols or different frequency positions, and there will not be a big difference.

[0164] Therefore, based on the fact that the energy difference of LP-WUS in different OOK symbols or different frequency positions is relatively large, and the energy sizes of other signals in different OOK symbols or different frequency positions are similar, when the terminal device uses the WUR module to receive the first signal on the first time-frequency resource, it will first determine whether the first signal transmitted on the first time-frequency resource is LP-WUS or other signals.

[0165] It is noted here that this embodiment does not limit how the terminal device determines whether the first signal transmitted on the first time-frequency resource is a low-power wake-up signal.

[0166] For example, in the first implementation, if LP-WUS adopts OOK modulation, the terminal device can determine whether the first signal transmitted on the first time-frequency resource is LP-WUS or other signals by judging whether the first condition is satisfied between the first value and the second value.

[0167] Specifically, in the first implementation, the first value is determined according to the energy values ​​or amplitude values ​​of M first OOK symbols in the first signal, and the second value is determined according to the energy values ​​or amplitude values ​​of M second OOK symbols in the first signal.

[0168] Specifically, the first OOK symbol and the second OOK symbol carry different bit information, and M is a positive integer. For example, the first OOK symbol carries information bit 1, and the second OOK symbol carries information bit 0. Alternatively, the first OOK symbol carries information bit 0, and the second OOK symbol carries information bit 1. Specifically, the bit information here is the encoded bit information.

[0169] That is, in the first implementation scheme, the terminal device obtains a first value by processing the energy values ​​or amplitude values ​​of M first OOK symbols, obtains a second value by processing the energy values ​​or amplitude values ​​of M second OOK symbols, and then determines whether the first signal transmitted on the first time-frequency resource is LP-WUS based on whether the first value and the second value satisfy the first condition.

[0170] For example, M is greater than 1. At this time, the first value is obtained based on the sum of energy values ​​of M first OOK symbols, and the second value is obtained based on the sum of energy values ​​of M second OOK symbols, and then, by judging the relationship between the ratio of the first value to the second value and a preset threshold, it is determined whether the first signal is LP-WUS or other signals, or by judging the relationship between the difference between the first value and the second value and a preset threshold, it is determined whether the first signal is LP-WUS or other signals.

[0171] For another example, M is greater than 1. In this case, the first value is obtained based on the weighted sum of the energy values ​​of the M first OOK symbols, and the second value is obtained based on the weighted sum of the energy values ​​of the M second OOK symbols, and then, by judging the relationship between the ratio of the first value to the second value and the preset threshold, it is determined whether the first signal is LP-WUS or other signals, or by judging the relationship between the difference between the first value and the second value and the preset threshold, it is determined whether the first signal is LP-WUS or other signals.

[0172] For another example, M is greater than 1. At this time, the first value is obtained by taking the logarithm of the energy value or amplitude value of each first OOK symbol in the M first OOK symbols and then summing the logarithmic values, and the second value is obtained by taking the logarithm of the energy value or amplitude value of the M second OOK symbols and then summing the logarithmic values, and then, by judging the relationship between the ratio of the first value and the second value and the preset threshold, it is determined whether the first signal is LP-WUS or other signals, or by judging the relationship between the difference between the first value and the second value and the preset threshold, it is determined whether the first signal is LP-WUS or other signals.

[0173] Optionally, M is 1. At this time, the first value is the energy value or amplitude value of a first OOK symbol in the first signal, and the second value is the energy value or amplitude value of a second OOK symbol in the first signal. It should be understood that in this case, it is possible to determine whether the first signal is LP-WUS or other signals by judging whether the ratio or difference between the energy value of the first OOK symbol and the energy value of the second OOK symbol meets a preset condition, or to determine whether the first signal is LP-WUS or other signals by judging whether the ratio or difference between the energy value of the first OOK symbol and the amplitude value of the second OOK symbol meets a preset condition.

[0174] For ease of understanding, for example, assuming that Manchester-coded OOK modulation is used, then between each pair of adjacent OOK symbols, there must be a high-level symbol and the other a low-level symbol (that is, it can be considered that each pair of adjacent OOK symbols has a first OOK symbol and a second OOK symbol). At this time, when the terminal device demodulates the received first signal, it can compare the energy difference or energy ratio of a pair of OOK symbols. When the difference or ratio is greater than the preset threshold, the received first signal is considered to be an LP-WUS signal. Alternatively, in order to avoid noise interference with the judgment, multiple pairs of adjacent OOK symbols in the first signal can be jointly processed to determine whether the first signal is an LP-WUS. For example, assuming that an LP-WUS contains 48 encoded bits, and assuming that Manchester-coded OOK modulation is used, the LP-WUS contains 48 OOK symbol pairs. LP-WUR can add up the energy of the higher energy part of the 48 OOK symbol pairs (denoted as E1), and add up the energy of the lower energy part of the 48 OOK symbol pairs (denoted as E2), and finally calculate the ratio of E1 to E2 and the preset threshold to determine whether it is an LP-WUS signal.

[0175] For example, in the second implementation, if the low-power wake-up signal adopts FSK modulation, the terminal device can determine whether the first signal transmitted on the first time-frequency resource is LP-WUS or other signals by judging whether the second condition is met between the third value and the fourth value.

[0176] Specifically, in the second implementation, the third value is determined according to the energy value or amplitude value of each FSK symbol in the first signal at the first frequency position, and the fourth value is determined according to the energy value or amplitude value of each FSK symbol in the first signal at the second frequency position. The first frequency position and the second frequency position are different, and different FSK symbols carry different bit information.

[0177] That is to say, in the second implementation scheme, the terminal device obtains a third value by processing the energy value or amplitude value of each FSK symbol at the first frequency position, and obtains a fourth value by processing the energy value or amplitude value of each FSK symbol at the second frequency position, and then determines whether the first signal transmitted on the first time-frequency resource is LP-WUS based on whether the third value and the fourth value meet the second condition.

[0178] For example, the third value is obtained by summing the energy values ​​of each FSK symbol at the first frequency position, and the fourth value is obtained by summing the energy values ​​of each FSK symbol at the second frequency position. Then, if the ratio or difference between the third value and the fourth value is greater than a preset threshold, the first signal is considered to be LP-WUS.

[0179] For example, the third value is obtained by summing the amplitude values ​​of each FSK symbol at the first frequency position, and the fourth value is obtained by summing the amplitude values ​​of each FSK symbol at the second frequency position. Then, if the ratio or difference between the third value and the fourth value is greater than a preset threshold, the first signal is considered to be LP-WU.

[0180] Optionally, the energy value or amplitude value of each FSK symbol at the first frequency position is higher than the energy values ​​at other K-1 frequency positions, the energy value or amplitude value of each FSK symbol at the second frequency position is higher than the energy values ​​at other K-2 frequency positions and is less than the energy value at the first frequency position, where K is the number of frequencies used when FSK modulation is adopted.

[0181] That is, in this embodiment, the third value is obtained based on the energy value of the frequency position with the highest energy in each FSK symbol, and the fourth value is obtained based on the energy value of the frequency position with the second highest energy in each FSK symbol. Alternatively, the third value is obtained based on the energy value of the frequency position with the highest amplitude in each FSK symbol, and the fourth value is obtained based on the energy value of the frequency position with the second highest amplitude in each FSK symbol.

[0182] As an example, in a specific implementation, the third value can be, for example, the sum of the energy values ​​of the frequency positions with the highest energy in each FSK symbol, and the fourth value can be the sum of the energy values ​​of the frequency positions with the second highest energy in each FSK symbol. Then, if the ratio or difference between the third value and the fourth value is greater than a preset threshold, the transmitted first signal is considered to be LP-WUS.

[0183] As an example, in a specific implementation, the third value can be, for example, the sum of the amplitude values ​​of the frequency positions with the highest amplitude in each FSK symbol, and the fourth value can be the sum of the amplitude values ​​of the frequency positions with the second highest amplitude in each FSK symbol. Then, if the ratio or difference between the third value and the fourth value is greater than a preset threshold, it is considered that the transmitted first signal is LP-WUS.

[0184] It should be noted that in this implementation, the reason why the two frequency positions with the highest energy and the second highest energy, or the two frequency positions with the highest amplitude and the second highest amplitude are compared is that the channel usually has frequency selective fading, and even if the energy of the transmitted signal at different frequency positions is the same, the energy of different frequency positions received at the receiving end will be different. At this time, comparing the two frequency positions with the highest energy instead of comparing all frequency positions can reduce the impact of frequency selective fading to a certain extent.

[0185] Optionally, the third value is obtained based on the energy value of the frequency position with the highest energy in each FSK symbol, and the fourth value is obtained based on the energy value of the frequency position with the lowest energy in each FSK symbol. Alternatively, the third value is obtained based on the amplitude value of the frequency position with the highest amplitude in each FSK symbol, and the fourth value is obtained based on the amplitude value of the frequency position with the lowest amplitude in each FSK symbol.

[0186] As an example, in a specific implementation, the third value can be, for example, the sum of the energy values ​​of the frequency positions with the highest energy in each FSK symbol, and the fourth value can be the sum of the energy values ​​of the frequency positions with the lowest energy in each FSK symbol. Then, if the ratio or difference between the third value and the fourth value is greater than a preset threshold, the transmitted first signal is considered to be LP-WUS.

[0187] As an example, in a specific implementation, the third value can be, for example, the sum of the amplitude values ​​of the frequency positions with the highest amplitude in each FSK symbol, and the fourth value can be the sum of the amplitude values ​​of the frequency positions with the lowest amplitude in each FSK symbol. Then, if the ratio or difference between the third value and the fourth value is greater than a preset threshold, it is considered that the transmitted first signal is LP-WUS.

[0188] Optionally, the third value is obtained based on the energy value of the frequency position with the highest energy and the energy value of the frequency position with the second highest energy in each FSK symbol, and the fourth value is obtained based on the energy value of the frequency position with the lowest energy and the energy value of the frequency position with the second lowest energy in each FSK symbol. Alternatively, the third value is obtained based on the amplitude value of the frequency position with the highest amplitude and the amplitude value of the frequency position with the second highest amplitude in each FSK symbol, and the fourth value is obtained based on the amplitude value of the frequency position with the lowest amplitude and the amplitude value of the frequency position with the second lowest amplitude in each FSK symbol.

[0189] As an example, in a specific implementation, the third value may be, for example, the sum of the first energy values ​​corresponding to each FSK symbol, and the fourth value may be, for example, the sum of the second energy values ​​corresponding to each FSK symbol, wherein the first energy value corresponding to each FSK symbol is equal to the sum of the energy value of the frequency position with the highest energy and the energy value of the frequency position with the second highest energy in the FSK symbol, and the second energy value corresponding to each FSK symbol is equal to the sum of the energy value of the frequency position with the lowest energy and the energy value of the frequency position with the second lowest energy in the FSK symbol. Then, if the ratio or difference between the third value and the fourth value is greater than the preset threshold, it is considered that the transmitted first signal is LP-WUS.

[0190] In the communication method provided in this embodiment, the first signal is demodulated only when the terminal device determines that the first signal transmitted on the first time-frequency resource is a low-power wake-up signal. In other words, when the terminal device determines that the first signal transmitted on the first time-frequency resource is not a low-power wake-up signal, the first signal is not demodulated, so there will be no problem of the terminal device being woken up by mistake.

[0191] Combined with the above Figures 5 to 8 , describes in detail the communication method of the embodiment of the present application, and will now be combined with Fig. 9 and Fig.10 The communication device provided by the present application is described in detail.

[0192] Fig. 9 A structural diagram of a communication device provided by an embodiment of the present application. Specifically, Fig. 9 As shown, the device 1000 includes: a transceiver module 901 and a processing module 902 .

[0193] In the first embodiment, the communication apparatus is applied to a terminal device.

[0194] Specifically, in the first embodiment, the transceiver module 901 is used to receive first information from an access network device, the first information indicating that the terminal device does not monitor the low-power wake-up signal within a first time period, or the first information indicates that no low-power wake-up signal is transmitted within the first time period, or the first information indicates that resources for the low-power wake-up signal are unavailable within the first time period, and the low-power wake-up signal is used to wake up the terminal device; the processing module 902 is used not to monitor the low-power wake-up signal within a first time period after receiving the first information.

[0195] In a possible implementation manner, the first information is carried in a low power synchronization signal, or the first information is carried in a low power wake-up signal.

[0196] In one possible implementation, when the first information is carried in a low-power synchronization signal, the first information is a coded bit, and the coded bit is located after the synchronization sequence in the low-power synchronization signal; or, the first information is scrambled on the synchronization sequence in the low-power synchronization signal, wherein different synchronization sequences are obtained when scrambling different first information.

[0197] In a possible implementation manner, the first duration is a duration preconfigured by the access network device for the terminal device.

[0198] In a possible implementation, the access network device preconfigures N durations for the terminal device, where N is a positive integer greater than 1; the first information indicates a first duration, which is one of the N durations.

[0199] In a possible implementation manner, the duration configured in the first duration for transmitting the low-power wake-up signal is less than or equal to the first duration.

[0200] In a possible implementation, when the terminal device is configured to non-continuously monitor the low power wake-up signal, the first duration is determined based on the monitoring duration, and the monitoring duration is the duration for which the terminal device monitors the low power wake-up signal.

[0201] In a possible implementation, the first frequency domain resource within the first duration is used to transmit a signal other than a low-power wake-up signal, and the first frequency domain resource is a frequency domain resource configured by the access network device for transmitting a low-power wake-up signal.

[0202] In the second embodiment, the apparatus 1000 may be applied to an access network device.

[0203] Specifically, the transceiver module 901 is used to send the first information, the first information indicates that the terminal device does not monitor the low-power wake-up signal within the first time period, or the first information indicates that no low-power wake-up signal is transmitted within the first time period, or the first information indicates that the resources for the low-power wake-up signal are not available within the first time period, and the low-power wake-up signal is used to wake up the terminal device.

[0204] In a possible implementation manner, the first information is carried in a low power synchronization signal, or the first information is carried in a low power wake-up signal.

[0205] In one possible implementation, when the first information is carried in a low-power synchronization signal, the first information is a coded bit, and the coded bit is located after the synchronization sequence in the low-power synchronization signal; or, the first information is scrambled on the synchronization sequence in the low-power synchronization signal, wherein different synchronization sequences are obtained when scrambling different first information.

[0206] In a possible implementation manner, the first duration is a duration preconfigured by the access network device for the terminal device.

[0207] In a possible implementation, the access network device preconfigures N durations for the terminal device, where N is a positive integer greater than 1; the first information indicates a first duration, which is one of the N durations.

[0208] In a possible implementation manner, the duration configured in the first duration for transmitting the low-power wake-up signal is less than or equal to the first duration.

[0209] In a possible implementation, when the terminal device is configured to non-continuously monitor the low power wake-up signal, the first duration is determined based on the monitoring duration, and the monitoring duration is the duration for which the terminal device monitors the low power wake-up signal.

[0210] In a possible implementation, the first frequency domain resource within the first duration is used to transmit a signal other than a low-power wake-up signal, and the first frequency domain resource is a frequency domain resource configured by the access network device for transmitting a low-power wake-up signal.

[0211] In a third embodiment, the communication apparatus may be applied to a terminal device, wherein the access network device preconfigures the terminal device to monitor a low power consumption wake-up signal on a first time-frequency resource.

[0212] Specifically, in the third embodiment, the processing module 902 is used to determine whether the first signal transmitted on the first time-frequency resource is a low-power wake-up signal; and when it is determined that the first signal transmitted on the first time-frequency resource is a low-power wake-up signal, demodulate the first signal.

[0213] In one possible implementation, when the wake-up signal adopts on-off keying OOK modulation, the processing module 902 is specifically used to: when the first value and the second value meet the first condition, determine that the first signal transmitted on the first time-frequency resource is a low-power wake-up signal; wherein the first value is determined according to the energy value or amplitude value of M first OOK symbols in the first signal, and the second value is determined according to the energy value or amplitude value of M second OOK symbols in the first signal, the first OOK symbol and the second OOK symbol carry different bit information, and M is a positive integer.

[0214] In one possible implementation, the first value is the sum of energy values ​​of M first OOK symbols, the second value is the sum of energy values ​​of M second OOK symbols, and the first condition is that a ratio of the first value to the second value is greater than a first threshold.

[0215] In one possible implementation, when the low-power wake-up signal adopts frequency shift keying FSK modulation, the processing module 902 is specifically used to: when the third value and the fourth value meet the second condition, determine that the first signal transmitted on the first time-frequency resource is a low-power wake-up signal, the third value is determined according to the energy value or amplitude value of each FSK symbol in the first signal at the first frequency position, and the fourth value is determined according to the energy value or amplitude value of each FSK symbol in the first signal at the second frequency position; wherein the first frequency position and the second frequency position are different, and different FSK symbols in each FSK symbol carry different bit information

[0216] In one possible implementation, the third value is the sum of the energy values ​​of each FSK symbol in the first signal at the first frequency position, the fourth value is the sum of the energy values ​​of each FSK symbol in the first signal at the second frequency position, and the second condition is that the ratio of the third value to the fourth value is greater than the second threshold.

[0217] Fig.10 A structural schematic diagram of a communication device provided in another embodiment of the present application. Fig.10 The device shown can be used to execute the method described in any of the above embodiments.

[0218] like Fig.10 As shown, the apparatus 1000 of this embodiment includes: a memory 1001 and a processor 1002. Optionally, the apparatus 1000 further includes a communication interface 1003 and a bus 1004. The memory 1001, the processor 1002, and the communication interface 1003 are connected to each other through the bus 1004 for communication.

[0219] The memory 1001 may be a read only memory (ROM), a static storage device, a dynamic storage device or a random access memory (RAM). The memory 1001 may store a program. When the program stored in the memory 1001 is executed by the processor 1002, the processor 1002 is used to execute the program. Figures 6 to 8 The individual steps of the method are shown.

[0220] The processor 1002 may be a general-purpose central processing unit (CPU), a microprocessor, an application specific integrated circuit (ASIC), or one or more integrated circuits for executing related programs to implement the present application. Figures 6 to 8 The method shown.

[0221] The processor 1002 may also be an integrated circuit chip having the ability to process signals. Figures 6 to 8 Each step of the method can be completed by an integrated logic circuit of hardware in the processor 1002 or an instruction in the form of software.

[0222] The processor 1002 may also be a general purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or other programmable logic device, a discrete gate or transistor logic device, or a discrete hardware component. The methods, steps, and logic block diagrams disclosed in the embodiments of the present application may be implemented or executed. The general purpose processor may be a microprocessor or the processor may be any conventional processor, etc.

[0223] The steps of the method disclosed in the embodiment of the present application can be directly embodied as being executed by a hardware decoding processor, or by a combination of hardware and software modules in the decoding processor. The software module can be located in a storage medium mature in the art, such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory, or an electrically erasable programmable memory, a register, etc. The storage medium is located in the memory 1001, and the processor 1002 reads the information in the memory 1001 and completes the functions required to be executed by the units included in the device of the present application in combination with its hardware. For example, it can execute Figures 6 to 8 The various steps / functions of the illustrated embodiment.

[0224] The communication interface 1003 may use, but is not limited to, a transceiver or other transceiver device to implement communication between the apparatus 1000 and other devices or a communication network.

[0225] The bus 1004 may include a path for transmitting information between various components of the device 1000 (eg, the memory 1001 , the processor 1002 , and the communication interface 1003 ).

[0226] It should be understood that the apparatus 1000 shown in the embodiment of the present application may be an electronic device, or may be a chip configured in an electronic device. The apparatus 1000 may be deployed in a terminal device, or may be deployed in a network device.

[0227] The above embodiments can be implemented in whole or in part by software, hardware, firmware or any other combination. When implemented by software, the above embodiments can be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions or computer programs. When the computer instructions or computer programs are loaded or executed on a computer, the process or function described in the embodiment of the present application is generated in whole or in part. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions can be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, the computer instructions can be transmitted from one website site, computer, server or data center to another website site, computer, server or data center by wired (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that a computer can access or a data storage device such as a server or data center that contains one or more available media sets. The available medium can be a magnetic medium (e.g., a floppy disk, a hard disk, a tape), an optical medium (e.g., a DVD), or a semiconductor medium. The semiconductor medium can be a solid-state hard disk.

[0228] It should be understood that the term "and / or" in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. A and B can be singular or plural. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship, but it may also indicate an "and / or" relationship. Please refer to the context for specific understanding.

[0229] In this application, "at least one" means one or more, and "more than one" means two or more. "At least one of the following" or similar expressions refers to any combination of these items, including any combination of single or plural items. For example, at least one of a, b, or c can be represented by: a, b, c, ab, ac, bc, or abc, where a, b, c can be single or multiple.

[0230] It should be understood that in the various embodiments of the present application, the size of the serial numbers of the above-mentioned processes does not mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

[0231] Those of ordinary skill in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of this application.

[0232] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the systems, devices and units described above can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0233] In the several embodiments provided in the present application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.

[0234] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0235] In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

[0236] If the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application can be essentially or partly embodied in the form of a software product that contributes to the prior art. The computer software product is stored in a storage medium and includes several instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods described in the various embodiments of the present application. The aforementioned storage medium includes: various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read-only memory, a random access memory, a magnetic disk or an optical disk.

[0237] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A communication method, characterized in that: Applied to terminal equipment, including: Receiving first information from an access network device, the first information indicating that the terminal device does not monitor a low-power wake-up signal within a first duration, or the first information indicating that no low-power wake-up signal is transmitted within the first duration, or the first information indicating that a resource for the low-power wake-up signal is unavailable within the first duration, and the low-power wake-up signal is used to wake up the terminal device; The low power consumption wake-up signal is not monitored within the first time period after the first information is received.

2. The method according to claim 1, characterized in that: The first information is carried in a low power synchronization signal, or the first information is carried in a low power wake-up signal.

3. The method according to claim 2, characterized in that When the first information is carried in a low power synchronization signal, The first information is a coded bit, and the coded bit is located after a synchronization sequence in the low power synchronization signal; or, The first information is scrambled on a synchronization sequence in the low-power synchronization signal, wherein different synchronization sequences are obtained when different first information is scrambled.

4. The method according to any one of claims 1 to 3, characterized in that The first duration is a duration preconfigured by the access network device for the terminal device.

5. The method according to any one of claims 1 to 3, characterized in that The access network device preconfigures N durations for the terminal device, where N is a positive integer greater than 1; The first information indicates the first duration, and the first duration is one of the N durations.

6. The method according to claim 4 or 5, characterized in that: The duration of the first duration configured for transmitting the low-power wake-up signal is less than or equal to the first duration.

7. The method according to any one of claims 1 to 3, characterized in that When the terminal device is configured to non-continuously monitor the low power wake-up signal, the first duration is determined based on the monitoring duration, and the monitoring duration is the duration for which the terminal device monitors the low power wake-up signal.

8. The method according to any one of claims 1 to 7, characterized in that The first frequency domain resources within the first duration are used to transmit signals other than the low-power wake-up signal, and the first frequency domain resources are frequency domain resources configured by the access network device for transmitting the low-power wake-up signal.

9. A communication method, characterized in that: Applied to access network equipment, including: Sending first information, wherein the first information indicates that the terminal device does not monitor the low-power wake-up signal within a first time period, or the first information indicates that no low-power wake-up signal is transmitted within the first time period, or the first information indicates that resources for the low-power wake-up signal are unavailable within the first time period, and the low-power wake-up signal is used to wake up the terminal device.

10. The method according to claim 9, characterized in that The first information is carried in a low power synchronization signal, or the first information is carried in a low power wake-up signal.

11. The method according to claim 9, characterized in that When the first information is carried in a low power synchronization signal, The first information is a coded bit, and the coded bit is located after a synchronization sequence in the low power synchronization signal; or, The first information is scrambled on a synchronization sequence in the low-power synchronization signal, wherein different synchronization sequences are obtained when different first information is scrambled.

12. The method according to any one of claims 9 to 11, characterized in that The first duration is a duration preconfigured by the access network device for the terminal device.

13. The method according to any one of claims 9 to 11, characterized in that The access network device preconfigures N durations for the terminal device, where N is a positive integer greater than 1; The first information indicates the first duration, and the first duration is one of the N durations.

14. The method according to claim 12 or 13, characterized in that The duration of the first duration configured for transmitting the low-power wake-up signal is less than or equal to the first duration.

15. The method according to any one of claims 9 to 11, characterized in that When the terminal device is configured to non-continuously monitor the low power wake-up signal, the first duration is determined based on the monitoring duration, and the monitoring duration is the duration for which the terminal device monitors the low power wake-up signal.

16. The method according to any one of claims 9 to 15, characterized in that The first frequency domain resources within the first duration are used to transmit signals other than the low-power wake-up signal, and the first frequency domain resources are frequency domain resources configured by the access network device for transmitting the low-power wake-up signal.

17. A communication device, characterized in that: The apparatus comprises means for executing the method of any one of claims 1 to 8.

18. A communication device, characterized in that: The apparatus comprises means for executing the method of any one of claims 9 to 16.

19. A communication device, characterized in that: include: a processor coupled to the memory; The memory is used to store program instructions; The processor is used to call the program instructions in the memory to execute the method according to any one of claims 1 to 8 or claims 9 to 16.

20. A computer readable medium, characterized in that The computer-readable medium stores a program code for computer execution, the program code including instructions for executing the method according to any one of claims 1 to 8 or claims 9 to 16.

21. A computer program product, characterized in that The computer program product includes a computer program code, and when the computer program code is executed on a computer, the computer is enabled to implement the method according to any one of claims 1 to 8 or claims 9 to 16.

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