Communication equipment awakening method, device and system

Abstract

The embodiment of the invention provides a communication method and a communication device. The method includes: receiving a wakeup signal (Wake-up signal, WUS) in a first mode, a parameter of the WUS being associated with a location identifier; and transitioning from a first mode to a second mode in accordance with the parameter of the WUS and a location identifier of a receiving device, the location identifier of the receiving device indicating a location of the receiving device. One or more of the receiving devices (nodes) associated with the location identifier may use the same WUS for the WU process. In other words, the WUS in the WUS pool can be used by more nodes without adding a new WUS. Thus, the WU process may be provided for a large number of nodes without reducing performance or increasing resource overhead.

Description

[0001] This application claims priority to U.S. Provisional Patent Application No. 63 / 515,194, filed July 24, 2023, entitled “Methods, Apparatus, and Systems for Location-based Wake-Up Signal.”

[0002] The entire contents of the above application are incorporated herein by reference. TECHNICAL FIELD

[0003] Embodiments of the present application relate to the field of communications, and more specifically to a communication method and a communication apparatus. BACKGROUND

[0004] In a communication system, a node can transition to a low power mode (e.g., an idle mode, an inactive mode, or other low power mode) to reduce power consumption. The node in the low power mode monitors a wake-up signal (WUS), where the WUS is used to trigger the node to exit the low power mode. The process of the node being woken up can be referred to as a wake-up (WU) process. Due to the high demand for WU, a WUS pool including multiple WUSs with different parameters can be designed, and the WUSs in the pool can be respectively associated with the identities of different nodes, such that different nodes use different WUSs for the WU process.

[0005] For the purpose of serving a large number of nodes, the WUS pool can be expanded by adding more possible WUSs. However, expanding the WUS pool can increase undesirable resource overhead and / or degrade WU process performance by increasing the WU false alarm probability. Therefore, how to provide WU service for a large number of nodes without degrading performance or increasing resource overhead becomes a problem to be solved. SUMMARY

[0006] Embodiments of the present application provide a communication method and a communication apparatus. The technical solution can provide WU service for a large number of nodes without degrading performance or increasing resource overhead.

[0007] According to a first aspect, embodiments of the present application provide a communication method, which can be performed by a receiving apparatus. The method comprises: receiving a wake-up signal (WUS) in a first mode, a parameter of the WUS being associated with a location identifier; and transitioning from the first mode to a second mode according to the parameter of the WUS and a location identifier of the receiving apparatus, the location identifier of the receiving apparatus indicating a location of the receiving apparatus.

[0008] According to a second aspect, embodiments of the present application provide a communication method, which can be performed by a transmitting device. The method comprises: transmitting a wake-up signal (WUS), a parameter of the WUS being associated with a location identifier, the parameter of the WUS being used for a receiving device to transition from a first mode to a second mode according to a location identifier of the receiving device, the location identifier of the receiving device indicating a location of the receiving device.

[0009] According to the above technical solution, at least one parameter of the WUS is associated with a location identifier, so that one or more of the receiving devices (nodes) associated with the location identifier can use the same WUS for the WU process. That is, the WUS in the WUS pool can be used by more nodes without adding new WUS. Therefore, the WU process can be provided for a large number of nodes without reducing performance or increasing resource overhead.

[0010] In combination with the first aspect, in some embodiments, transitioning from the first mode to a second mode according to the parameter of the WUS and the location identifier of the receiving device comprises: obtaining a configuration parameter associated with the receiving device according to a mapping function and the location identifier of the receiving device, an input of the mapping function comprising the location identifier, and an output of the mapping function comprising the configuration parameter; and transitioning from the first mode to the second mode according to the parameter of the WUS and the configuration parameter associated with the receiving device.

[0011] In combination with the second aspect, in some embodiments, the parameter of the WUS is used for the receiving device to transition from the first mode to the second mode according to a configuration parameter associated with the receiving device, the configuration parameter associated with the receiving device being obtained according to a mapping function and the location identifier of the receiving device, an input of the mapping function comprising the location identifier, and an output of the mapping function comprising the configuration parameter.

[0012] According to the above technical solution, the configuration parameter associated with the receiving device can be obtained by a mapping function according to the location identifier of the receiving device, so that the receiving device can receive the mapping function instead of receiving a specific configuration parameter, because the receiving device knows its own location. Therefore, the process of configuring the WUS can be simplified.

[0013] In combination with the first aspect or the second aspect, the WUS comprises at least one linear frequency modulated (LFM) signal, and the parameters of the WUS comprise at least one or more of: an LFM rate of the at least one LFM signal, an initial frequency of the at least one LFM signal, a duration of the at least one LFM signal, and an initial time of the at least one LFM signal.

[0014] According to the above technical solution, the WUS can be generated according to the LFM signal, and the LFM signal has the advantage of low processing complexity. Therefore, the complexity and power consumption of the WU process can be reduced.

[0015] In combination with the first aspect or the second aspect, in some embodiments, the WUS comprises a Zadoff-Chu (ZC) sequence, and the parameters of the WUS comprise at least one or more of: a root of the ZC sequence, a length of the ZC sequence, and a cyclic shift value of the ZC sequence.

[0016] According to the above technical solution, the WUS can be generated according to the ZC sequence, and the ZC sequence has the advantage of power efficiency and hardware. Therefore, the efficiency of the WU process can be improved.

[0017] In combination with the first aspect or the second aspect, in some embodiments, the position identifier of the receiving device comprises coordinates of the position of the receiving device in a two-dimensional or three-dimensional coordinate system with a reference point as the origin.

[0018] According to the above technical solution, the position identifier can be the accurate coordinates of the receiving device in the rectangular coordinate system.

[0019] In combination with the first aspect or the second aspect, in some embodiments, the position identifier of the receiving device comprises an identifier of a location area in which the receiving device is located.

[0020] According to the above technical solution, the position identifier can be the rough approximation of the position of the receiving device in the rectangular coordinate system.

[0021] In combination with the first aspect or the second aspect, in some embodiments, the position identifier of the receiving device comprises an angle measured relative to a reference direction between the position of the receiving device and a reference point.

[0022] According to the above technical solution, the position identifier can be the accurate coordinates of the receiving device in the polar coordinate system.

[0023] In some embodiments in combination with the first aspect or the second aspect, the position identifier of the receiving device comprises an identifier of an angular region between a first direction and a second direction relative to a reference point, the receiving device being located within the angular region.

[0024] According to the above technical solution, the position identifier can be a rough approximation of the position of the receiving device in a polar coordinate system.

[0025] In some embodiments in combination with the first aspect or the second aspect, the WUS is transmitted through a first beam of a plurality of beams, the plurality of beams covering different positions, the first beam covering the position of the receiving device.

[0026] According to the above technical solution, WUSs with the same parameters can be separated by being transmitted through different beams, so that the parameters of the WUS can be associated with a plurality of different position identifiers. That is, the WUS can be reused by a plurality of receiving devices with different position identifiers. Therefore, the WU procedure can be provided for more nodes without reducing performance or increasing resource overhead.

[0027] In some embodiments in combination with the first aspect, the WUS is transmitted with a timing advance associated with a distance between the receiving device and a transmitting device transmitting the WUS, and the transitioning from the first mode to a second mode according to the parameters of the WUS and a position identifier of the receiving device comprises: obtaining an estimated distance according to the WUS, the estimated distance being associated with the timing advance and the distance between the receiving device and the transmitting device, the estimated distance being less than a first threshold; transitioning from the first mode to the second mode according to the estimated distance, the parameters of the WUS and the position identifier of the receiving device.

[0028] In some embodiments in combination with the second aspect, the WUS is transmitted with a timing advance associated with a distance between the receiving device and a transmitting device, and an estimated distance obtained by the receiving device according to the WUS is associated with the timing advance and the distance between the receiving device and the transmitting device, the estimated distance being less than a first threshold.

[0029] According to the above technical solution, WUSs with the same parameters can be separated by applying different timing advances at the transmitting device, so that the parameters of the WUS can be associated with a plurality of different position identifiers. That is, the WUS can be reused by a plurality of receiving devices with different position identifiers. Therefore, the WU procedure can be provided for more nodes without reducing performance or increasing resource overhead.

[0030] In some embodiments in combination with the first aspect or the second aspect, the WUS is transmitted at an intended depth, a difference between the intended depth and a radial distance of the receiving device is less than a second threshold, the radial distance of the receiving device is a distance between the receiving device and a transmitting device that transmits the WUS.

[0031] According to the above technical solution, the WUSs with the same parameters can be separated by transmitting them to different intended depths, so that the parameters of the WUSs can be associated with multiple different location identifiers. That is, the WUSs can be reused by multiple receiving devices with different location identifiers. Therefore, the WU procedure can be provided for more nodes without reducing performance or increasing resource overhead.

[0032] In some embodiments in combination with the first aspect, the method further comprises: receiving configuration information, the configuration information indicating configuration parameters of the WUS, the configuration parameters of the WUS being associated with the location identifier of the receiving device.

[0033] In some embodiments in combination with the second aspect, the method further comprises: transmitting configuration information, the configuration information indicating configuration parameters of the WUS, the configuration parameters of the WUS being associated with the location identifier of the receiving device.

[0034] According to the above technical solution, the receiving device can process the WUS according to the configuration information to determine the transition from the first mode to the second mode. Therefore, the reliability of the WU procedure can be improved.

[0035] In some embodiments in combination with the first aspect or the second aspect, the configuration information comprises a mapping function, an input of the mapping function comprising the location identifier, and an output of the mapping function comprising the configuration parameters.

[0036] According to the above technical solution, the configuration information can comprise the mapping function instead of specific configuration parameters, because the receiving device knows its own location. Therefore, the structure of the configuration information can be simplified.

[0037] In some embodiments in combination with the first aspect or the second aspect, the configuration information indicates that the WUS is transmitted with a timing advance.

[0038] According to the above technical solution, the receiving device can learn that a timing advance will be applied in the WUS, so that before determining the transition from the first mode to the second mode, the receiving device can estimate its distance from the transmitting device by processing the WUS. Therefore, the WU false alarm probability can be reduced.

[0039] With reference to the first aspect or the second aspect, in some embodiments, the configuration information indicates a first threshold, and the estimated distance obtained by the receiving apparatus according to the WUS is less than the first threshold, the estimated distance being associated with the timing advance and a distance between the receiving apparatus and a transmitting apparatus that transmits the WUS.

[0040] According to the above technical solution, when the TA is applied to the WUS, the receiving apparatus can know how to detect its own WUS. Therefore, the WU false alarm probability can be reduced.

[0041] With reference to the first aspect or the second aspect, in some embodiments, the WUS includes a prefix part, a timing offset of the WUS is obtained according to the prefix part, and the parameter of the WUS is obtained according to the timing offset.

[0042] According to the above technical solution, synchronization can be performed as part of the WU process. Therefore, the reliability of the WU process can be improved.

[0043] With reference to the first aspect or the second aspect, the parameter of the WUS is associated with an identity of the receiving apparatus.

[0044] According to the above technical solution, different receiving apparatuses associated with the same location identifier can use different configurations of the WUS.

[0045] With reference to the first aspect or the second aspect, in some embodiments, the power consumption corresponding to the first mode is lower than the power consumption corresponding to the second mode.

[0046] According to the above technical solution, for example, the first mode can be an idle mode (or state), an inactive mode (or state), or other low-power modes. The second mode can be a connected mode (or state) or other modes with higher power consumption than the first mode.

[0047] According to the third aspect, a receiving apparatus is provided. The receiving apparatus includes functions or units for performing the method according to the first aspect or any possible embodiment of the first aspect.

[0048] For example, the receiving apparatus can be a terminal device or a chip in the terminal device. For another example, the receiving apparatus can be a network device or a chip in the network device.

[0049] According to the fourth aspect, a transmitting apparatus is provided. The transmitting apparatus includes functions or units for performing the method according to the second aspect or any possible embodiment of the second aspect.

[0050] For example, the sending device can be a network device or a chip in the network device. For another example, the sending device can be a terminal device or a chip in the terminal device.

[0051] According to a fifth aspect, a system is provided. The system comprises the receiving device according to the third aspect and the sending device according to the fourth aspect.

[0052] According to a sixth aspect, a communication device is provided. The communication device comprises at least one processor coupled to at least one memory. The at least one memory is configured to store a computer program or one or more instructions. The at least one processor is configured to invoke the computer program or the one or more instructions from the at least one memory and run the computer program or the one or more instructions, so that the communication device performs the method in the first aspect or any possible implementation of the first aspect, or so that the communication device performs the method in the second aspect or any possible implementation of the second aspect.

[0053] In combination with the sixth aspect, in some implementations of the sixth aspect, the communication device can be a receiving device. For example, the communication device can be a terminal device or a component (e.g., a chip or an integrated circuit) installed in the terminal device. For another example, the communication device can be a network device or a component (e.g., a chip or an integrated circuit) installed in the network device.

[0054] In combination with the sixth aspect, in some implementations of the sixth aspect, the communication device can be a sending device. For example, the communication device can be a network device or a component (e.g., a chip or an integrated circuit) installed in the network device. For another example, the communication device can be a terminal device or a component (e.g., a chip or an integrated circuit) installed in the terminal device.

[0055] According to a seventh aspect, a communication device is provided. The communication device comprises a processor and a communication interface. The processor is connected to the communication interface. The processor is configured to execute one or more instructions, and the communication interface is configured to communicate with other network elements under the control of the processor. The processor is configured to perform the method according to the first aspect or any possible implementation of the first aspect, or the second aspect or any possible implementation of the second aspect.

[0056] According to an eighth aspect, a computer storage medium is provided. The computer storage medium stores program codes for one or more instructions for performing the method according to the first aspect or any possible implementation of the first aspect, or the second aspect or any possible implementation of the second aspect.

[0057] According to a ninth aspect, the present application provides a computer program product comprising one or more instructions, wherein when the computer program product runs on a computer, the computer executes the method according to the first aspect or any possible implementation of the first aspect, or the second aspect or any possible implementation of the second aspect. BRIEF DESCRIPTION OF DRAWINGS

[0058] Figure 1 is a schematic diagram of an application scenario provided by the present application; Figure 2 An example communication system 100 is shown. Figure 3 Another example of an ED and a base station is shown. Figure 4 is a schematic flow chart of a communication method 400 provided by an embodiment of the present application; Figure 5 is a schematic diagram of an LFM signal; Figure 6 is a schematic diagram of an example of a LFM-based signal; Figure 7 An example of a position identifier indicating a coarse approximation of a position of a receiving device in a two-dimensional space is shown. Figure 8 A first example of an angular direction is shown. Figure 9 An example of a position identifier indicating a coarse approximation of an angular direction of a receiving device is shown. Figure 10 An example of a WU procedure on the transmitting device side provided by an embodiment of the present application is shown. Figure 11A An example of reusing WUS configurations in different LRs is shown. Figure 11B Another example of reusing WUS configurations in different LRs is shown. Figure 12 Another example of reusing WUS configurations in different LRs is shown. Figure 13 An example of reusing WUS configurations in different ARs is shown. Figure 14 An example of separating WUS by different beams is shown. Figure 15 Another example of separating WUS by different beams is shown. Figure 16 An example of separating WUS by different TAs is shown. Figure 17 Another example of separating WUS by different TAs is shown. Figure 18 An example of separating WUS by different beams and TAs is shown; Figure 19 An example of separating WUS by different intended depths is shown; Figure 20 An example of a WU process on the receiving device side provided by an embodiment of the application is shown; Figures 21 to 25 is a schematic block diagram of a possible device provided by an embodiment of the application. DETAILED DESCRIPTION

[0059] The technical solutions of the application are described below in conjunction with the drawings.

[0060] The technical solutions of the embodiments of the application can be applied in various communication systems, for example, a Global System for Mobile Communications (GSM), a Code Division Multiple Access (CDMA) system, a Wideband Code Division Multiple Access (WCDMA) system, a general packet radio service (GPRS) system, a Long Term Evolution (LTE) system, an LTE frequency division duplex (FDD) system, an LTE time division duplex (TDD) system, a Universal Mobile Telecommunications System (UMTS), a Worldwide Interoperability for Microwave Access (WiMAX) communication system, a fifth generation (5G) wireless communication system, a new radio (NR) wireless communication system, a sixth generation (6G) wireless communication system, an integrated access backhaul (IAB) system, a mesh network, a sidelink system, or other evolved communication systems. The technical solutions of the embodiments of the application can be applied in a communication system integrating two or more of the above systems.

[0061] To facilitate understanding of the embodiments of the application, first take the communication system shown in Figures 1 to 3 as an example to describe in detail the communication system to which the embodiments of the application are applicable.

[0062] Figure 1 is a schematic diagram of an application scenario provided by the present application. Referring to Figure 1 , as a non-limiting illustrative example, a simplified schematic diagram of a communication system is provided. The communication system 100 includes a wireless access network 120. The wireless access network 120 can be a next generation (e.g., sixth generation (6G) or higher version) wireless access network, or a conventional (e.g., 5G, 4G, 3G or 2G) wireless access network. One or more communication electronic devices (EDs) 110a to 110j (collectively referred to as 110) can be interconnected with each other, or connected to one or more network nodes (170a, 170b, collectively referred to as 170) in the wireless access network 120. The core network 130 can be part of the communication system, and can depend on or be independent of the wireless access technology used in the communication system 100. The communication system 100 also includes a public switched telephone network (PSTN) 140, the Internet 150, and other networks 160.

[0063] Figure 2 An exemplary communication system 100 is shown. In general, the communication system 100 is capable of enabling multiple wireless or wired elements to communicate data and other content. The communication system 100 can have the purpose of providing voice, data, video and / or text content, among other content, through broadcast, multicast, and unicast, among other techniques. The communication system 100 can operate by sharing resources (e.g., carrier spectrum bandwidth) among its constituent elements. The communication system 100 can include terrestrial communication systems and / or non-terrestrial communication systems. The communication system 100 can provide a wide range of communication services and applications (e.g., earth monitoring, remote sensing, passive sensing and positioning, navigation and tracking, autonomous delivery and mobility). The communication system 100 can provide high availability and robustness through joint operation of terrestrial communication systems and non-terrestrial communication systems. For example, integrating non-terrestrial communication systems (or components thereof) into terrestrial communication systems can enable a heterogeneous network comprising multiple layers. The heterogeneous network can achieve better overall performance compared to conventional communication networks through efficient multi-link joint operation, more flexible function sharing, and faster physical layer link switching between terrestrial networks and non-terrestrial networks.

[0064] The ground communication system and the non-terrestrial communication system can be considered as subsystems of a communication system. In the illustrated example, the communication system 100 includes electronic devices (EDs) 110a-110d (generally referred to as EDs 110), radio access networks (RANs) 120a and 120b, a non-terrestrial communication network 120c, a core network 130, a public switched telephone network (PSTN) 140, the Internet 150, and other networks 160. The RANs 120a and 120b include respective base stations (BSs) 170a and 170b, which can be generally referred to as terrestrial transmit and receive points (T-TRPs) 170a and 170b. The non-terrestrial communication network 120c includes an access node 120c, which can be generally referred to as a non-terrestrial transmit and receive point (NT-TRP) 172.

[0065] Alternatively or additionally, any of the EDs 110 can be configured to connect with, access, or communicate with any other T-TRPs 170a and 170b, NT-TRP 172, the Internet 150, the core network 130, the PSTN 140, the other networks 160, or any combination thereof. In some examples, the ED 110a can communicate uplink and / or downlink transmissions with the T-TRP 170a via an interface 190a. In some examples, the ED 110a, the ED 110b, and the ED 110d can also communicate directly with each other via one or more sidelink air interfaces 190b. In some examples, the ED 110d can communicate uplink and / or downlink transmissions with the NT-TRP 172 via an interface 190c.

[0066] The air interfaces 190a and 190b can use similar communication techniques, e.g., any suitable wireless access technique. For example, the communication system 100 can implement one or more channel access methods in the air interfaces 190a and 190b, e.g., code division multiple access (CDMA), time division multiple access (TDMA), frequency division multiple access (FDMA), orthogonal FDMA (OFDMA), or single-carrier FDMA (SC-FDMA). The air interfaces 190a and 190b can utilize other higher-dimensional signal spaces that can involve combinations of orthogonal and non-orthogonal dimensions.

[0067] The air interface 190c can enable communication between the ED 110d and one or more NT-TRPs 172 over a wireless link or simply a link. In some examples, the link is a dedicated connection for unicast transmission, a connection for broadcast transmission, or a connection between a group of EDs and one or more NT-TRPs for groupcast transmission.

[0068] The RANs 120a and 120b are in communication with the core network 130 to provide the EDs 110a, 110b, and 110c with access to various services, such as voice, data, and other services. The RANs 120a and 120b and / or the core network 130 can be in direct or indirect communication with one or more other RANs (not shown) that can or can not be of the same type as the RANs 120a and 120b, and that can or can not be associated with the core network 130. The core network 130 can also serve as a gateway for the RANs 120a and 120b or EDs 110a, 110b, and 110c or both, or for other networks (for example, the PSTN 140, the Internet 150, and the other networks 160) to one another, or to the public switched telephone network 140, the Internet 150, and other networks 160. In addition, some or all of the EDs 110a, 110b, and 110c can include functionality for communicating over different wireless links using different wireless technologies and / or protocols to communicate with different wireless networks. The EDs 110a, 110b, and 110c can communicate with service providers or switches (not shown) and the Internet 150 through wired communication channels, rather than or in addition to wireless communication. The PSTN 140 can include a circuit-switched telephone network that provides plain old telephone service (POTS). The Internet 150 can include a network of computers and / or sub-networks (intranets) and includes protocols such as Internet Protocol (IP), Transmission Control Protocol (TCP), User Datagram Protocol (UDP), and the like. The EDs 110a, 110b, and 110c can be multi-mode devices capable of operating according to multiple wireless access technologies and include multiple transceivers as needed to support these technologies.

[0069] Figure 3Another example of EDs and base stations is shown. EDs 110 are used to connect people, objects, machines, etc. EDs 110 can be widely used in various scenarios, such as cellular communication, device-to-device (D2D), vehicle-to-everything (V2X), peer-to-peer (P2P), machine-to-machine (M2M), machine-type communication (MTC), internet of things (IOT), virtual reality (VR), augmented reality (AR), industrial control, autonomous driving, telemedicine, smart grid, smart home, smart office, smart wearable, smart transportation, smart city, drone, robot, remote sensing, passive sensing, positioning, navigation and tracking, automatic distribution and mobility, etc.

[0070] Each ED 110 represents any suitable end-user device for wireless operation, and can include (or can be referred to as) a user equipment / device (UE), a wireless transmit / receive unit (WTRU), a mobile station, a fixed or mobile subscriber unit, a cellular phone, a station (STA), a machine type communication (MTC) device, a personal digital assistant (PDA), a smartphone, a laptop, a computer, a tablet, a wireless sensor, a consumer electronics device, a smartbook, a vehicle, a car, a truck, a bus, a train, or an IoT device, an industrial device, or a device (e.g., a communication module, a modem, or a chip) of the above devices, etc. Future generation EDs 110 can be referred to using other terms. Base stations 170a and 170b are T-TRPs, hereinafter referred to as T-TRPs 170. Also shown in Figure 3 NT-TRPs, hereinafter referred to as NT-TRPs 172. Each ED 110 connected to T-TRPs 170 and / or NT-TRPs 172 can be dynamically or semi-statically turned on (i.e., established, activated, or enabled), turned off (i.e., released, deactivated, or disabled), and / or configured in response to one or more of connection availability and connection necessity.

[0071] The ED 110 includes a transmitter 201 and a receiver 203 coupled to one or more antennas 204. Only one antenna 204 is shown in the figure. One, some or all of the antennas can also be panels. The transmitter 201 and receiver 203 can be, for example, integrated as a transceiver. The transceiver is used to output or modulate data or other content for transmission through at least one antenna 204 or interface. The transceiver is also used to demodulate data or other content received through at least one antenna 204. Each transceiver includes any suitable structure for generating signals for wireless or wired transmission and / or for processing signals received through wireless or wired transmission. Each antenna 204 includes any suitable structure for transmitting and / or receiving wireless or wired signals. A transceiver can also be referred to as an interface for input and output operations.

[0072] The ED 110 includes at least one memory 208. The memory 208 stores instructions and data used, generated, or collected by the ED 110. For example, the memory 208 could store software

[0073] The ED 110 can also include one or more input / output devices (not shown) or interfaces (for example, wired interfaces to the Internet 150 in FIG. 1). The input / output devices support interaction with a user or other devices or systems. Each input / output device includes any suitable structure for providing information to or receiving information from a user, such as a speaker, microphone, keypad, keyboard, display, or touch screen, including network interface communications. Figure 1

[0074] ​The ED 110 also includes a processor 210 for performing operations related to preparing uplink transmissions for sending to the NT-TRPs 172 and / or the T-TRPs 170, processing downlink transmissions received from the NT-TRPs 172 and / or the T-TRPs 170, and processing sidelink transmissions sent to and from another ED 110. The processing operations related to preparing uplink transmissions can include operations such as encoding, modulation, transmit beamforming, and generating symbols for transmission. The processing operations related to processing downlink transmissions can include operations such as receive beamforming, demodulation, and decoding received symbols. According to embodiments, the downlink transmissions can be received by the receiver 203 using receive beamforming, and the processor 210 can extract signaling from the downlink transmissions (e.g., by detecting and / or decoding signaling). One example of the signaling can be reference signals transmitted by the NT-TRPs 172 and / or the T-TRPs 170. In some embodiments, the processor 276 implements transmit beamforming and / or receive beamforming according to an indication of a beam direction (e.g., beam angle information (BAI)) received from the T-TRPs 170. In some embodiments, the processor 210 can perform operations related to network access (e.g., initial access) and / or downlink synchronization, such as operations related to detecting synchronization sequences, decoding and acquiring system information, etc. In some embodiments, the processor 210 can perform channel estimation using reference signals received from the NT-TRPs 172 and / or the T-TRPs 170, etc.

[0075] Although not shown, the processor 210 can be part of the transmitter 201 and / or part of the receiver 203. Although not shown, the memory 208 can be part of the processor 210.

[0076] The processor 210, as well as the processing components of the transmitter 201 and the receiver 203, can be implemented by the same or different one or more processors that are programmed to execute instructions stored in a memory (e.g., the memory 208). Alternatively, some or all of the processor 210, as well as the processing components of the transmitter 201 and the receiver 203, can be implemented using specialized circuitry, such as application-specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs), graphical processing units (GPUs), or combinations thereof, which are programmed or configured to perform the operations described herein.

[0077] In some embodiments, T-TRP 170 can go by other names: base station, base transceiver station (BTS), wireless base station, network node, network equipment, network-side equipment, transmission / reception node, Node B, evolved Node B (eNodeB or eNB), home base station, Generation Node B (gNB), transmission point (TP), site controller, access point (AP) or wireless router, relay station, remote radio head, ground node, ground network equipment or ground base station, baseband unit (BBU), remote radio unit (RRU), radio unit (RU), active antenna unit (AAU), remote radio head (RRH), central unit (CU), distributed unit (DU), positioning node, etc. T-TRP 170 can be a macro BS, a pico BS, a relay node, a donor node, etc. or a combination thereof. T-TRP 170 can refer to the above equipment, or to an apparatus (e.g., a communication module, modem, or chip) in the above equipment.

[0078] In some embodiments, CU (or CU control plane (CP) and CU user plane (UP)), DU, or RU can go by other names. For example, in an open RAN (ORAN) system, CU can also be referred to as open CU (O-CU), DU can also be referred to as open DU (O-DU), CU-CP can also be referred to as open CU-CP (O-CU-CP), CU-UP can also be referred to as open CU-UP (O-CU-CP), and RU can also be referred to as open RU (O-RU). Any of CU (or CU-CP, CU-UP), DU, or RU can be implemented by a software module, a hardware module, or a combination of software and hardware modules.

[0079] In some embodiments, various portions of T-TRP 170 can be distributed. For example, some modules of T-TRP 170 can be located at a location remote from a device that houses the antennas of T-TRP 170, and can be coupled to the device that houses the antennas through a communication link (not shown), sometimes referred to as front-haul, e.g., common public radio interface (CPRI). Thus, in some embodiments, the term “T-TRP 170” can also refer to modules that perform the processing operations of ED 110 position determination, resource allocation (scheduling), message generation and encoding / decoding, etc. on the network side, which are not necessarily part of the device that houses the antennas of T-TRP 170. These modules can also be coupled to other T-TRPs. In some embodiments, T-TRP 170 can actually be multiple T-TRPs that operate together to serve ED 110 through coordinated multipoint transmission, etc.

[0080] The T-TRP 170 includes at least one transmitter 252 and at least one receiver 254 coupled to one or more antennas 256. Only one antenna 256 is shown in the figure. One, some or all of the antennas can also be panels. The transmitter 252 and receiver 254 can be integrated as a transceiver. The T-TRP 170 also includes a processor 260 for performing operations related to preparing downlink transmissions to the ED 110, processing uplink transmissions received from the ED 110, preparing backhaul transmissions to the NT-TRP 172, and processing transmissions received from the NT-TRP 172 over the backhaul. The processing operations related to preparing a downlink transmission or a backhaul transmission can include operations such as encoding, modulation, precoding (e.g., MIMO precoding), transmit beamforming, and generating symbols for transmission. The processing operations related to processing received transmissions in the uplink or over the backhaul can include operations such as receive beamforming, demodulation, and decoding received symbols. The processor 260 can also perform operations related to network access (e.g., initial access) and / or downlink synchronization, such as generating contents of a synchronization signal block (SSB), generating system information, etc. In some embodiments, the processor 260 also generates beam direction indications, such as BAI, that the scheduler 253 can schedule for transmission. The processor 260 can perform other network-side processing operations described herein, such as determining a location of the ED 110, determining a location where to deploy the NT-TRP 172, etc. In some embodiments, the processor 260 can generate signaling to configure one or more parameters of the ED 110 and / or one or more parameters of the NT-TRP 172, etc. Any signaling generated by the processor 260 is transmitted by the transmitter 252. It should be noted that “signaling” used herein can also be referred to as control signaling. Dynamic signaling can be transmitted in a control channel such as a physical downlink control channel (PDCCH), and static or semi-static higher layer signaling can be included in data packets transmitted in a data channel such as a physical downlink shared channel (PDSCH).

[0081] The scheduler 253 can be coupled to the processor 260. The scheduler 253 can be included within or operate separately from a T-TRP 170, which can schedule uplink, downlink, and / or backhaul transmissions, including issuing scheduling grants and / or configuring grant-free (“configured grant”) resources. The T-TRP 170 also includes memory 258 for storing information and data. The memory 258 stores instructions and data used, generated, or collected by the T-TRP 170. For example, the memory 258 can store software

[0082] Although not shown, the processor 260 can be part of the transmitter 252 and / or the receiver 254. Further, although not shown, the processor 260 can implement the scheduler 253. Although not shown, the memory 258 can be part of the processor 260.

[0083] The processor 260, the scheduler 253, and the processing components of the transmitter 252 and the receiver 254 can each be implemented by one or more processors for executing instructions stored in memory (e.g., the memory 258). Alternatively, some or all of the processor 260, the scheduler 253, and the processing components of the transmitter 252 and the receiver 254 can be implemented using special-purpose circuitry.

[0084] Although NT-TRP 172 is shown as a drone merely as an example, NT-TRP 172 can be implemented through any suitable non-ground based form. Moreover, in some embodiments, NT-TRP 172 can go by other names, such as a non-ground node, a non-ground network device, or a non-ground base station. NT-TRP 172 includes a transmitter 272 and a receiver 274 coupled to one or more antennas 280. Only one antenna 280 is shown in the figure. One, some or all of the antennas can also be panels. Transmitter 272 and receiver 274 can be integrated as a transceiver. NT-TRP 172 also includes a processor 276 for performing operations related to preparing downlink transmissions to ED 110, processing uplink transmissions received from ED 110, preparing backhaul transmissions to T-TRP 170, and processing transmissions received from T-TRP 170 over the backhaul. Processing operations related to preparing transmissions of downlink transmissions or backhaul transmissions can include operations such as encoding, modulation, precoding (e.g., MIMO precoding), transmit beamforming, and generating symbols for transmission. Processing operations related to processing received transmissions in the uplink or over the backhaul can include operations such as receive beamforming, demodulation, and decoding received symbols. In some embodiments, processor 276 implements transmit beamforming and / or receive beamforming according to beam direction information (e.g., BAI) received from T-TRP 170. In some embodiments, processor 276 can generate signaling to configure one or more parameters of ED 110, etc. In some embodiments, NT-TRP 172 implements physical layer processing but not higher layer functions such as medium access control (MAC) or radio link control (RLC) layer functions, etc. Since this is merely an example, more generally, NT-TRP 172 can implement higher layer functions in addition to physical layer processing.

[0085] NT-TRP 172 also includes a memory 278 for storing information and data. Although not shown, processor 276 can be part of transmitter 272 and / or part of receiver 274. Although not shown, memory 278 can be part of processor 276.

[0086] The processing components of the processor 276 and the transmitter 272 and the receiver 274 can be implemented respectively by the same or different one or more processors that are used to execute instructions stored in a memory (e.g., the memory 278). Alternatively, some or all of the processing components of the processor 276 and the transmitter 272 and the receiver 274 can be implemented using specially designed FPGA, GPU, or ASIC, etc. special circuit. In some embodiments, the NT-TRP 172 can actually be a plurality of NT-TRPs that operate together to serve the ED 110 by means of coordinated multipoint transmission, etc.

[0087] The T-TRP 170, the NT-TRP 172, and / or the ED 110 can include other components, but these components are omitted for clarity.

[0088] Embodiments of the present application can be applied to any one or more communication scenarios in which a sending device communicates with one or more receiving devices. In a first example, the sending device can be a network device (e.g., a T-TRP or an NT-TRP) or a chip in the network device, and the receiving device can be a terminal device (e.g., an ED) or a chip in the terminal device. In a second example, the sending device can be a network device or a chip in the network device, and the receiving device can be another network device or a chip in the network device. In a third example, the sending device can be a terminal device or a chip in the terminal device, and the receiving device can be another terminal device or a chip in the terminal device. The present application does not limit this. The following embodiments are described by taking one sending device and one receiving device as an example.

[0089] In order to facilitate understanding of embodiments of the present application, the following briefly explains the terms related to the present application.

[0090] 1. WU process The WU process allows a node (which is an example of a receiving device) to transition from a first mode to a second mode, the power consumption of the node in the first mode being less than the power consumption of the node in the second mode. For example, when the node has no data to receive from or send to other nodes, the node can turn off some circuits (i.e., the node transitions to the first mode) to reduce power consumption. When the node has data to receive from other nodes, the node can turn on the circuits (i.e., the node transitions from the first mode to the second mode). The node in the first mode does not know that it has data to receive, and in order to make the node transition from the first mode to the second mode, the WU process must be performed. The transition of the node from the first mode to the second mode can also be referred to as the node being woken up.

[0091] For example, the transmitting device can transmit a wake-up signal (WUS) to the receiving device to cause the receiving device to transition from the first mode to the second mode. In some embodiments of the present application, the first mode can be an idle mode (or state), an inactive mode (or state), or other low-power mode. The second mode can be a connected mode (or state) or other mode with higher power consumption than the first mode.

[0092] It should be noted that in the description of the present application, “mode” and “state” can have the same meaning. The following will not be elaborated again.

[0093] In some embodiments of the present application, the WU procedure can be part of other procedures. For example, the receiving device can receive the WUS as part of a paging procedure; or the receiving device can receive the WUS as part of a procedure requesting a sensing operation; or the receiving device can receive the WUS as part of a paging procedure requesting a measurement; or the receiving device can receive the WUS as part of a specific aperiodic procedure.

[0094] The above-mentioned WU procedure is only exemplary, and the present application does not limit this.

[0095] 2. WUS pool In order for the transmitting device to provide WU services for multiple receiving devices, a WUS pool can be designed. The WUS pool can provide multiple WUSs with different parameters, which can be respectively associated with the identities of different nodes, so that different nodes use different WUSs for the WU procedure. For example, when the transmitting device needs to wake up the receiving device represented by node 1, the transmitting device can transmit a WUS associated with the identity of node 1. If node 1 receives the WUS, the node can be woken up. In addition, even if other nodes except node 1 receive the WUS, they will not be woken up.

[0096] For the purpose of providing services for a large number of nodes, the WUS pool can be expanded by adding more possible WUSs. For example, more time resources and / or frequency resources (i.e., time-frequency resources) can be used to construct WUSs. However, if new time-frequency resources are used to construct newly added WUSs, such expansion can increase WU resource overhead, which is not desirable. In addition, if the overlapping time-frequency resources already used by the WUSs in the pool are used for the newly added WUSs, such expansion can reduce the performance of the WU procedure by increasing the WU false alarm probability.

[0097] In summary, expanding the WUS pool can increase undesirable resource overhead and / or reduce the performance of the WU procedure by increasing the WU false alarm probability. Therefore, how to provide WU services for a large number of nodes without reducing performance and increasing resource overhead becomes a problem to be solved.

[0098] Therefore, the present application provides a communication method, wherein at least one parameter of a WUS is associated with a location identifier, so that one or more receiving devices (nodes) associated with the location identifier can use the same WUS for a WU procedure. In other words, a WUS in a WUS pool can be used by more nodes without adding a new WUS. Therefore, a WU procedure can be provided for a large number of nodes without reducing performance or increasing resource overhead. The communication method provided by the present application is described below in combination with Figure 4 the above-described communication system.

[0099] Figure 4 is a schematic flowchart of a communication method 400 provided by an embodiment of the present application. The communication method 400 can be applied in the above-described communication system.

[0100] In S410, the sending device sends a wake-up signal. Accordingly, the receiving device receives the wake-up signal in a first mode.

[0101] The wake-up signal (WUS) can have one or more parameters, and at least one parameter of the WUS is associated with a location identifier. The location identifier is used to indicate the location of the receiving device.

[0102] In some embodiments of the present application, the WUS can be generated based on linear frequency modulation (LFM). An LFM signal is a signal whose frequency changes linearly with time and has a certain slope. The LFM signal can also be referred to as a chirp signal. Figure 5 is a schematic diagram of an LFM signal. As Figure 5 shown, the initial time of the LFM signal is represented by “ t ”, the duration of the LFM signal is represented by “ T ”, the end time of the LFM signal is represented by “ t + T ”, the initial frequency (which can also be referred to as the frequency jump) of the LFM signal is represented by “ f 0”, the LFM rate of the LFM signal is represented by “ α ”, and the end frequency of the LFM signal is represented by “ f 0 +αT” ”. The LFM rate of the LFM signal is the slope of the linear function. The LFM rate of the LFM signal can also be referred to as the linear frequency modulation rate or the linear frequency modulation slope.

[0103] The WUS comprising at least one LFM signal can be referred to as an LFM-based signal. Figure 6 is a schematic diagram of an LFM-based signal. As Figure 6As shown, the LFM-based signal can include one or more LFM signals. The LFM-based signal can be indicated by one or more parameters, which can be used to determine the location of the LFM-based signal in time domain and frequency domain. According to the linear characteristic of the LFM signal, the one or more parameters can be able to determine various parameter combinations of the LFM-based signal.

[0104] For example, the parameters of the LFM-based signal can include at least one or more of the following: the number of symbols in the WUS represented by , where each symbol includes one LFM signal; the sequence of LFM rates represented by , where is the LFM rate of the LFM signal in the i-th symbol of the WUS; the sequence of initial frequencies represented by , where is the initial frequency of the LFM signal in the i-th symbol of the WUS; the sequence of durations represented by , where is the duration of the LFM signal in the i-th symbol of the WUS; and the initial time of the WUS represented by .

[0105] Compared with designing the WUS based on other types of signal, designing the WUS based on the LFM signal can reduce the processing complexity and power consumption of the receiving device.

[0106] In some other embodiments of the present application, the WUS can be generated according to a Zadoff-Chu (Zadoff-Chu, ZC) sequence. The ZC sequence is a sequence with fixed cyclic cross-correlation and zero cyclic autocorrelation characteristics. For example, the ZC sequence can be represented by a sequence , where , , where is the ZC sequence, is an element in the ZC sequence, is the root of the ZC sequence, is the length of the ZC sequence. Further, the ZC sequence can be cyclically shifted to obtain , where is the cyclic shift value of the ZC sequence, is an integer.

[0107] The WUS including the ZC sequence can be referred to as a ZC-based signal. The parameters of the ZC-based signal can include at least one or more of the following: the root of the ZC sequence represented by , the length of the ZC sequence represented by , and the cyclic shift value of the ZC sequence represented by .

[0108] LFM and ZC sequences have constant amplitudes, i.e., 0 dB peak-to-average power ratio (PAPR). Therefore, designing a WUS based on LFM or ZC sequences has advantages in power efficiency and hardware. Moreover, due to the fixed cyclic cross-correlation and zero cyclic auto-correlation properties of ZC sequences, ZC-based signals can be used for applications where detection tasks such as WUS detection exist.

[0109] A WUS can be generated based on other types of signals and / or sequences, which are not limited in this application.

[0110] For example, a WUS can be generated based on a pseudo-noise (PN) sequence, which is also referred to as a pseudo-random-noise (PRN) sequence, a pseudo random binary sequence (PRBS), a linear feedback shift register (LFSR) sequence. A PN sequence is typically generated using an LFSR that includes a plurality of shift registers and feedback logic, which is typically implemented by logical operations such as exclusive OR (XOR). Given an LSFR, the initial state of the shift registers can produce various PN sequences. Parameters of a PN-based signal can include all possible initial states of the shift registers in the LFSR.

[0111] For another example, a WUS can be generated based on a maximum sequence, which is also referred to as an m-sequence. An m-sequence is a special case of the largest PN sequence of LFSR.

[0112] For another example, a WUS can be generated based on a Gold sequence. A Gold sequence is the result of element-wise XOR of two m-sequences of the same length.

[0113] One or more parameters of a WUS can be represented by a set At least one parameter in the set may be associated with a location identifier. For example, if the WUS is a LFM-based signal, the set can be represented as , , , and At least one of the set , , and may be associated with a location identifier. For a WUS based on other signals and / or sequences, the set may also be expressed in terms of one or more parameters corresponding to other signals and / or sequences. For example, if the WUS is generated based on a PN sequence, the set may be expressed in terms of a set of all possible initial states of the shift register in the LFSR; if the WUS is generated based on an m-sequence, the set may be expressed in terms of a set of all possible initial states of the shift register in the LFSR; if the WUS is generated based on the Gold sequence, the set may be expressed in terms of a set of all possible initial states of the shift register in the LFSRs used to generate the two m-sequences in the Gold sequence.

[0114] It should be appreciated that the number of parameters associated with the location identifier can be equal to or greater than one. For ease of description, the following may be described by way of example in terms of “a parameter associated with the location identifier” or “the parameter associated with the location identifier”, but without limiting the scope of protection of the embodiments of the present application, which will not be described hereinafter.

[0115] In some embodiments of the present application, the location identifier can comprise the exact coordinates of the receiving device in an orthogonal coordinate system (also known as a Cartesian coordinate system). For example, the location identifier can comprise the coordinates of the location of the receiving device in a two-dimensional coordinate system with a reference point as the origin. For another example, the location identifier can comprise the coordinates of the location of the receiving device in a three-dimensional coordinate system with a reference point as the origin.

[0116] In some embodiments of the present application, the location identifier can comprise a coarse approximation of the location of the receiving device in an orthogonal coordinate system. For example, using a grid of points in a three-dimensional space, the location identifier can indicate the grid point closest to the location of the receiving device in the three-dimensional space. For another example, using a grid of points in a two-dimensional space, the location identifier can indicate the grid point closest to the location of the receiving device in the two-dimensional space.

[0117] Figure 7 An example of a location identifier indicating a coarse approximation of the location of the receiving device in a two-dimensional space is shown. As Figure 7 shown, the two-dimensional space is divided into a 4x4 grid. Each grid point, as Figure 7 indicated by the dot in the middle of the square in the center, represents every location within that square. This creates 16 location regions (LRs), i.e., the 16 squares in Figure 7 For a receiving device located in any LR, the grid point closest to the receiving device is the point in the middle of the LR, and thus the identity of the LR in which the receiving device is located can be used as a location identifier for the receiving device. For example, for the receiving device in LR 1, the location identifier can be 1. ) can be an identifier of the LR, which is used as the location identifier.

[0118] It should be understood that the above division and representation method of the LR is only an exemplary illustration, and does not limit the protection scope of the embodiments of the present application.

[0119] In some embodiments of the present application, the location identifier can include the accurate coordinates of the receiving device in the polar coordinate system. For example, the location identifier can include an angular direction, which is defined as the angle measured between the position of the receiving device and the reference point relative to the reference direction. Figure 8 An example of the angular direction is shown. As shown in Figure 8 , the dashed line represents the reference direction through the reference point. The solid line represents the direction of the position of the receiving device relative to the reference point. The angle between the dashed line and the solid line can be the angular direction of the receiving device, denoted as .

[0120] In some embodiments of the present application, the location identifier can include the rough approximation of the position of the receiving device in the polar coordinate system. For example, the identifier of the angular region (AR) in which the receiving device is located can be used as the location identifier of the receiving device. The angular region is the region between a first direction and a second direction relative to the reference point.

[0121] Figure 9 An example of the location identifier indicating the rough approximation of the angular direction of the receiving device is shown. As shown in Figure 9 , a two-dimensional space is divided into a grid with four directions (d=1, 2, 3, 4). The four grid directions are respectively located in the four ARs, represented by different patterns, each grid direction representing every position within its own AR. For a receiving device located in any AR, the closest direction to the receiving device is the grid direction in the LR, and therefore, the identifier of the AR in which the receiving device is located can be used as the location identifier of the receiving device. For example, ) can be an identifier of the AR, which is used as the location identifier.

[0122] It should be understood that the above division and representation method of the AR is only an exemplary illustration, and does not limit the protection scope of the embodiments of the present application.

[0123] In some embodiments of the present application, the parameters of the WUS can also be associated with the identity of the receiving device. For example, if multiple receiving devices have the same location identifier (e.g., located in the same LR), they will be assigned orthogonal or semi-orthogonal WUS. Therefore, different receiving devices associated with the same location identifier can use different configurations of the WUS.

[0124] Each receiving device that can be woken up by the transmitting device is associated with a set of configuration parameters, which can define a WUS (may also be referred to as a WUS configuration), and one or more of the set of configuration parameters are associated with a location identifier of the receiving device. When the transmitting device needs to wake up a target receiving device, the transmitting device can generate a WUS according to one or more configuration parameters of the target receiving device. That is, the transmitting device uses the WUS configuration associated with the receiving device that needs to be woken up as one or more parameters of the WUS.

[0125] Figure 10 An example of the WU procedure at the transmitting device side is shown. As shown in Figure 10 , whenever there is a trigger for WU, a WUS is generated according to the WUS configuration of the target receiving device that is to be woken up, where one or more parameters of the WUS are determined according to the location identifier of the target receiving device and possibly the identity of the target receiving device. Optionally, a timing advance (TA) can be applied on the WUS. The application of TA enables the receiving devices to separate in the TA domain, which will be specified in subsequent embodiments and will not be elaborated here. Then, the WUS can be transmitted to the target receiving device.

[0126] In some embodiments of the present application, the transmitting device can obtain the configuration parameters associated with the location identifier of the target receiving device according to a mapping function. The input of the mapping function can include the location identifier, and the output of the mapping function can include the configuration parameters. For example, the mapping function can be represented as , where is the mapping function, is the node representing the location identifier of the receiving device. Therefore, the transmitting device can input the location identifier of the target receiving device into the mapping function and obtain the WUS configuration of the target receiving device as the output. Therefore, the WUS generated according to the WUS configuration can be used to wake up all receiving devices with the same location identifier within a certain area.

[0127] In some embodiments, the WUS configuration is a function of the location region (LR) index. The configuration can be used to wake up all WUS receivers within a certain LR. As an example, in Figure 7 , one WUS configuration is assigned to each of the 16 LR. For illustration, consider an LFM-based WUS, and assume that the WUS has four symbols ( ), and define possible configurations. Configuration is determined by 1) a rate sequence ( ), 2) an initial frequency 3) Duration (in (is the duration of the symbol) and 4) Definition. Configuration Assigned to Figure 7 China by The representation of LR. Assume the WUS transmitter intends to send data with the input from the pair. The WUS associated with the LR is then configured at the WUS transmitter. Upon receipt, the WUS receiver processes and locates the data received by... Indicated The estimate. Subsequently, the WUS receiver can find the estimate of the LR index, by... This indicates that the WUS configuration is associated with it. In this example, the association is... , Therefore, the WUS receiver can determine whether it is located at LR. Then, it wakes up or remains in low-power mode. One advantage of this embodiment is its ability to wake up all WUS receivers located at a specific LR in the network with minimal overhead. This includes WUS configuration, LR indexing, and other parameters. and mapping formulas (e.g., , and Information such as signaling can be sent to the WUS receiver before entering low-power mode. The signaling used can be Radio Resource Control (RRC) signaling, Media Access Control (MAC-CE) signaling, control unit signaling, or other signaling methods. Although an LFM-based WUS is shown in this exemplary embodiment, other types of WUS, such as ZC-based WUS, PN-based WUS, m-sequence-based WUS, and Gold-sequence-based WUS, can also be used in a similar manner. Furthermore, the same approach can be applied to situations where the network is divided into angular regions (AR) or a combination of LR and AR.

[0128] Optionally, the input to the mapping function may also include the identifier of the receiving device. For example, the mapping function may be expressed as follows: ,in It is a mapping function. It is a node The location identifier of the receiving device. It is a node The logo, It is a node WUS configuration. Thus, the transmitting device can input the location identifier of the target receiving device and possibly the identity of the target receiving device into the mapping function, and obtain the WUS configuration of the target receiving device as the output.

[0129] At S420, the receiving device transitions from the first mode to the second mode according to the parameter of the WUS and the location identifier of the receiving device.

[0130] The receiving device can determine whether the captured WUS matches the WUS configuration associated with its location identifier. For example, if the parameter of the captured WUS matches one or more configuration parameters associated with the location identifier of the receiving device, the receiving device determines to transition from the first mode to the second mode, i.e., the receiving device determines to wake up. If the parameter of the captured WUS does not match one or more configuration parameters associated with the location identifier of the receiving device, the receiving device determines to stay in the first mode, i.e., the receiving device determines not to wake up.

[0131] In some embodiments, the receiving device can obtain the configuration parameter of the WUS according to a mapping function, the input of which includes the location identifier and possibly the identity of the receiving device, and the output of which includes the configuration parameter. The receiving device can input its location identifier and possibly the identity into the mapping function, and obtain the configuration parameter of the WUS as the output. Then, the receiving device can perform WUS detection according to the configuration parameter of the WUS, and determine whether its own WUS exists.

[0132] In some embodiments, the mapping function can be obtained from the configuration information transmitted by the transmitting device.

[0133] In some embodiments, the WUS configuration can be reused by multiple receiving devices with different location identifiers.

[0134] For example, the set of WUS configurations can be represented as Each member in the set may represent a possible WUS configuration, and different members in the set are orthogonal or semi-orthogonal, so that the correlation between WUSs using different members in the set is zero or a relatively small value. In order to reuse members in the set , the set may be divided into multiple mutually exclusive subsets, denoted by . In addition, each location identifier can be associated with a subset in the set , and the receiving device associated with the location identifier can only use the WUS configuration in the subset associated with the location identifier.

[0135] Figure 11B Another example is shown based on Figure 11A where LFM-based WUS is used and there are possible WUS configurations. The set of all configurations is denoted by In the example of Figure 11A , the reuse factor is 0.5, dividing the set into two mutually exclusive subsets and as shown in Figure 11B

[0136] Continuing the reuse example, according to Figure 11A and Figure 11B , each LR in a region is associated with either one of or . In a first option for selecting the configuration, one WUS configuration per location region (LR) is selected for each WUS receiver from the subset of configurations associated with that LR. Given Figure 11A , for example, each WUS receiver is assigned 16 WUS configurations, one per LR. The WUS configuration selected for a WUS receiver in a particular LR can be selected randomly or non-randomly. In the case of random selection, given one LR, the network selects a random index from the subset of configuration indices associated with that LR (or or in this example) for the WUS receiver. The seed of the random index generator can or can not be a function of the receiver identity (ID). In the non-random approach, the network can use an algorithm or formula that can or can not use the receiver ID to select the WUS configuration for each WUS receiver per LR. In this option, before entering the low power mode, a table including all indices (one from to from 0 to ) of the WUS configuration selected for the WUS receiver is sent to the WUS receiver; the table can be sent using signaling such as RRC, MAC-CE or other signaling. Assuming and , an example of such a table for a WUS receiver is shown in Table 1 below. The values in the table represent the indices of the WUS configuration assigned to the receiver in each LR. Furthermore, if the selection is non-random, e.g., based on a formula that is a function of the receiver ID, the parameters of the formula can be broadcast to all receivers before entering the low power mode so that the receivers can obtain their WUS configuration in each LR.

[0137] Table 1 ​

[0138] In a second option for selecting the configuration, the network selects one WUS configuration per WUS receiver according to Figure 11A Figure 11B In the case of reuse factor 0.5 as shown in , the set of configurations includes two subsets of configuration indices For each WUS receiver, the network selects two WUS configurations, one for If the WUS receiver is in an LR associated with , the receiver uses the WUS configuration selected from The selection of the WUS configuration can be random or non-random, possibly depending or not depending on the WUS receiver ID. In this option, before entering the low power mode, the WUS receiver is sent a table including all the indices of the WUS configurations selected for the WUS receiver (one from Figure 11A Figure 11B to

[0139] Table 2

[0140] In a first example, as shown in Figure 14 , two receivers, denoted receiver 1 and receiver 2, are shown. Receiver 1 is located in an LR represented by and associated with subset Receiver 2 is located in an LR represented by and associated with subset ​​​​​​​​​​​​The receiver 1 and the receiver 2 use the same WUS configuration. That is, when the transmitting device transmits a WUS intended to wake up the receiver 1, the receiver 2 can also be woken up if it can successfully detect the transmitted WUS. In embodiments of the present application, however, to avoid the above problem, the receiver 1 and the receiver 2 can employ different beams. For example, when the transmitting device wants to wake up the receiver 1, it can transmit the WUS using a beam represented by beam 1. Since the beam 1 covers the location of the receiver 1 but not the receiver 2, the receiver 2 will not receive the WUS or will only receive a weak version of the WUS with reduced detection probability. In this way, the receiver 1 can successfully receive the WUS without causing false alarm to the receiver 2.

[0141] The above embodiments can also be applied to the case where the location identifier is an AR.

[0142] In a second example, as shown in Figure 15 , the transmitting device can use four beams to cover the network, each beam serving a receiving device within a single AR. Therefore, ARs that are not adjacent can use the same subset. For example, the AR 1 served by the beam 1 and the AR 3 served by the beam 3 can be associated with the same subset .

[0143] In some embodiments, WUSs with the same parameters can be separated by applying different timing advances (TAs) at the transmitting device. That is, the WUS can be transmitted together with a TA, where the TA is associated with the distance between the target receiving device and the transmitting device. If the transmitting device applies a TA when transmitting the WUS, the receiving device can obtain an estimated distance from the WUS according to the WUS, and determine whether to be woken up according to the estimated distance, which is associated with the timing advance and the distance between the receiving device and the transmitting device.

[0144] In a third example, as shown in Figure 16 , there are two receiving devices, denoted as receiver 1 and receiver 2. The receiver 1 is located in an LR represented by and and associated with a subset . The receiver 2 is located in an LR represented by and and associated with a subset The receiver 1 and the receiver 2 use the same WUS configuration and are covered by the same beam. That is, when the transmitting device transmits a WUS intended to wake up the receiver 1, the receiver 2 can also be woken up. In this case, in embodiments of the present application, the transmitting device can apply different TAs for the receiver 1 and the receiver 2 to avoid the above problem. If the TA is applied to the WUS, the receiving device can estimate its range from the transmitting device by processing the received WUS, referred to as the estimated distance. The estimated distance is associated with the timing advance and the actual distance between the receiving device and the transmitting device, which can be represented as wherein is the estimated distance, is the actual distance between the receiving device and the transmitting device, is the distance corresponding to the applied TA. Specifically, may be represented as wherein is the applied TA, is the speed of light. For example, when the transmitting device wants to wake up the receiver 1, a TA can be applied before transmitting the WUS to ensure that the estimated distance obtained by the receiver 1 is less than a first threshold (the first threshold can be close to zero). Since the actual distance from the transmitting device to the receiver 2 is different from that of the receiver 1, the receiver 2 will obtain an estimated distance greater than the first threshold, or the measurement window of the receiver 2 will not even receive the WUS due to the TA reducing the detection probability. In this way, the receiver 1 can successfully receive the WUS without causing false alarm of the receiver 2. Optionally, the value of the first threshold can also be signaled to the receiving device as part of the WUS configuration.

[0145] Figure 17 A more detailed explanation of the third example is shown. If the transmitting device wants to wake up the receiver 1 (i.e., UE 1 shown in Figure 17 ), it can apply a TA to ensure that the receiver 1 obtains an estimated distance close to zero. That is, the value of wherein is the actual distance between the transmitting device and the receiver 1. In this case, the receiver 2 (i.e., UE 2 shown in Figure 17 ) will obtain an estimated distance close to , wherein is the actual distance between the transmitting device and the receiver 2. Therefore, applying a TA at the transmitting device can separate the receiver 1 and the receiver 2 because they are at different distances from the transmitting device and have different TAs.

[0146] The above embodiments can also be used in combination.

[0147] In a fourth example, asFigure 18 As shown, the space can be divided into 8 sub-regions by 4 LRs and 2 ARs. Each SR can be associated with a subset, and only the receiving devices associated with the SR can use the WUS configuration in the subset associated with the SR within the SR. Thus, if two receiving devices are located in the same SR, they will be allocated orthogonal or semi-orthogonal WUS configurations. In addition, different SRs can reuse the same WUS configuration. For example, if two receiving devices are located in different ARs, the receiving devices can be served by different beams. Thus, they can use the same WUS configuration without increasing the false alarm probability. For another example, if two receiving devices are located in the same AR but in different SRs, they can still use the same WUS configuration by applying different TAs.

[0148] It should be noted that transmitting WUS with different beams and / or TAs is only an exemplary illustration. WUS with the same parameters can also be separated in other domains, which are not limited in the present application. For example, WUS can be transmitted at an intended depth, which has a difference with the radial distance of the target receiving device from the distance between the target receiving device and the transmitting device less than a second threshold. Thus, WUS with the same parameters can be separated by being transmitted to different intended depths.

[0149] In a fifth example, as shown in Figure 19 The transmitting device can be equipped with an extremely large antenna array (ELAA), and the receiving devices can be in the near-field coverage of the transmitting device. In this case, the transmitting device can transmit signals to an intended depth, so that the signals can only be received by the receiving devices with a radial distance close to the intended depth. The receiving devices located at a radial distance away from the intended depth can only receive a weak version of the WUS, which reduces the detection probability. Thus, if the receiving devices are located at different radial distances from the transmitting device, the transmitting device can transmit the WUS to one of the receiving devices, and the other receiving devices cannot receive the WUS. The advantage of using such an ELAA to transmit the WUS is that the need for synchronization and / or applying TA can be relaxed, because the WUS detection is not performed based on timing measurement.

[0150] In some embodiments, before S410, the transmitting device can indicate the configuration of the WUS to the receiving device. That is, in S430, the transmitting device and the receiving device can perform the following operations.

[0151] Optionally, at S430, the transmitting device transmits the configuration information to the receiving device. Accordingly, the receiving device receives the configuration information from the transmitting device.

[0152] Configuration information can indicate one or more configuration parameters of WUS, and at least one configuration parameter of WUS is associated with the location identifier of the receiving device.

[0153] In some embodiments, the transmitting device may send first configuration information before the receiving device enters the first mode (low-power mode).

[0154] In some embodiments, the configuration information may include a mapping function, the input of which may include a location identifier, and the output of which may include configuration parameters.

[0155] In some embodiments, the configuration information may also indicate whether TA will be applied to WUS.

[0156] In some embodiments, the first configuration information may be carried in RRC or MAC-CE. For example, the transmitting device may use RRC or MAC-CE signaling procedures to transmit the first information.

[0157] In some embodiments, the WUS may include a prefix portion for obtaining the timing offset of the WUS, the parameters of which are obtained based on the timing offset. In other words, the receiving device can perform synchronization as part of the WU process before WUS detection. Therefore, the reliability of the WU process can be improved.

[0158] Figure 20 An example of the WU process on the receiving device side is shown. Figure 20 As shown, the receiving device can perform WUS detection on the received signal based on its own WUS configuration. The WUS configuration can be obtained based on configuration information from the transmitting device before entering the first mode. Optionally, the receiving device can perform synchronization before performing WUS detection. Since at least one parameter of the WUS is associated with the location identifier of the receiving device, the receiving device can perform WUS detection based on its location and determine whether its own WUS exists. Furthermore, the receiving device can perform a timing measurement, which can be used to obtain an estimated distance. If a timing advance is applied at the transmitting device, such an estimated distance can be used to determine the WUS. Finally, the receiver can make a decision based on the detection results and the possible estimated distance.

[0159] In this application, at least one parameter of the WUS is associated with a location identifier, such that one or more receiving devices (nodes) associated with the location identifier can use the same WUS to perform the WU process. That is, the WUS in the WUS pool can be used by more nodes without adding new WUS. Therefore, the WU process can be provided for a large number of nodes without degrading performance or increasing resource overhead.

[0160] The above combination Figures 4 to 20The communication method of the embodiments of the present application is described in detail, and the following will be combined with Figures 21 to 25 The sending device and the receiving device of the embodiments of the present application are described in detail.

[0161] Figure 21 is a schematic block diagram of the sending device 10 provided by the embodiments of the present application. As shown in Figure 21 The sending device 10 includes: The processing module 11 is configured to generate a wake-up signal (WUS); The transceiver module 12 is configured to send the WUS, a parameter of the WUS being associated with a location identifier, the parameter of the WUS being used for the receiving device to switch from the first mode to the second mode according to the location identifier of the receiving device, the location identifier of the receiving device indicating a location of the receiving device.

[0162] Therefore, one or more receiving devices (nodes) associated with the location identifier can use the same WUS for the WU process. In other words, the WUS in the WUS pool can be used by more nodes without adding new WUS. Therefore, the WU process can be provided for a large number of nodes without reducing performance or increasing resource overhead.

[0163] The sending device 10 in the embodiments of the present application can correspond to the sending device in the communication method of the above embodiments of the present application, and the above management operations and / or functions of each module of the sending device 10 and other management operations and / or functions are intended to realize the corresponding steps of the above method. For the sake of brevity, this document will not be described again.

[0164] The transceiver module 12 in the embodiments of the present application can be realized by a transceiver, and the processing module 11 can be realized by a processor.

[0165] As shown in Figure 22 The sending device 20 can include a transceiver 21. Optionally, the sending device 20 can also include a processor 22 and / or a memory 23. The memory 23 can be used to store indication information, and can also be used to store codes and instructions to be executed by the processor 22, etc.

[0166] Figure 23 is a schematic block diagram of the receiving device 30 provided by the embodiments of the present application. As shown in Figure 23 The receiving device 30 includes: The transceiver module 23 is configured to receive a wake-up signal (WUS) in the first mode, a parameter of the WUS being associated with a location identifier; The processing module 32 is configured to switch from the first mode to the second mode according to the parameter of the WUS and the location identifier of the receiving device, the location identifier of the receiving device indicating a location of the receiving device.

[0167] The receiving device 30 in the embodiments of the present application can correspond to the receiving device in the communication method in the embodiments of the present application, and the management operations and / or functions of each module of the receiving device 30 and other management operations and / or functions are intended to realize the corresponding steps of the above method. For the sake of brevity, the details are not repeated herein.

[0168] The transceiver module 31 in the embodiments of the present application can be realized by a transceiver, and the processing module 32 can be realized by a processor.

[0169] As shown in Figure 24 The receiving device 40 can include a transceiver 41. Optionally, the receiving device 40 can further include a processor 42 and / or a memory 43. The memory 43 can be used to store indication information, and can also be used to store codes and instructions to be executed by the processor 42, etc.

[0170] The processor 22 or the processor 42 can be an integrated circuit chip with signal processing capability. In the implementation process, each step in the above method embodiments can be realized by hardware integrated logic circuit in the processor or by instructions in the form of software. The processing module 21 can be a general processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), a field programmable gate array (Field Programmable Gate Array, FPGA) or other programmable logic device, a discrete gate or transistor logic device, or a discrete hardware component. All methods, steps and logic block diagrams disclosed in the embodiments of the present application can be realized or executed. The general processor can be a microprocessor, or the processor can be any conventional processor. The steps of the method disclosed in the embodiments of the present application can be directly executed and completed by the hardware decoding processor, or executed and completed by using a combination of hardware and software modules in the decoding processor. The software module can be located in a storage medium known in the art such as random access memory, flash memory, read only memory, programmable read only memory, electrically erasable programmable memory or register. The storage medium is located in the memory, and the processor reads the information in the memory and combines the hardware of the processor to complete the steps of the above method.

[0171] The memory 23 or 43 in the embodiments of the present application can be a volatile memory or a non-volatile memory, and can also include a volatile memory and a non-volatile memory. The non-volatile memory can be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically EPROM (EEPROM), or a flash memory. The volatile memory can be a Random Access Memory (RAM) used as an external cache. By way of example, and not limitation, many forms of RAM can be used, such as a Static RAM (SRAM), a Dynamic RAM (DRAM), a Synchronous DRAM (SDRAM), a Double Data Rate SDRAM (DDR SDRAM), an Enhanced SDRAM (ESDRAM), a Synch Link DRAM (SLDRAM), and a Direct Rambus RAM (DR RAM). The storage of the system and method described in the specification is intended to include, but not be limited to, these and any other suitable storage.

[0172] The embodiments of the present application also provide a system. As shown in Figure 25 The system 50 includes: The sending device 10 according to the embodiments of the present application and the receiving device 20 according to the embodiments of the present application.

[0173] The embodiments of the present application also provide a computer storage medium, which can store program instructions to execute any of the above methods.

[0174] Optionally, the storage medium can be specifically the memory 23 or 43.

[0175] Those skilled in the art will realize that the units and algorithm steps described in connection with the examples disclosed in the specification can be implemented by electronic hardware, or by a combination of computer software and electronic hardware. Whether the function is performed by hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but it should not be considered that the embodiments are beyond the scope of the present application.

[0176] Those skilled in the art can understand that, for the convenience and brevity, the detailed working processes of the above system, device and unit can refer to the corresponding processes in the above method embodiments, and will not be repeated here.

[0177] In several embodiments provided in the present application, the disclosed system, device and method can be implemented in other ways. For example, the described device embodiments are only examples. For example, the unit division is a logical function division, and other division methods can also be adopted in actual implementation. For example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the display or description of mutual coupling or direct coupling or communication connection can be implemented through some communication interfaces. The indirect coupling or communication connection between devices or units can be implemented through electrical, mechanical or other forms.

[0178] The units described as separate components can or can not be physically separate, and the components shown as units can or can not be physical units, that is, the components can be located in one unit, or can be distributed in multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the embodiments.

[0179] In addition, the functional units in the embodiments of the present application can be integrated into one processing unit, or each unit can exist physically and independently, or two or more units can be integrated into one unit.

[0180] When these functions are implemented in the form of software functional units and sold or used as independent products, these functions can be stored in a computer readable storage medium. The technical solutions of the present application can be implemented in the form of a software product. The software product is stored in a storage medium and includes a plurality of instructions for instructing a computer device (which can be a personal computer, a server or a network device, etc.) to execute all or part of the steps of the method described in the embodiments of the present application. The above storage medium includes any medium that can store program codes, such as a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk.

[0181] The above description is only specific embodiments of the present application and is not used to limit the protection scope of the present application. Any changes or replacements within the technical scope disclosed in the present application can be easily conceived by those skilled in the art. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A communication method executed by a receiving device, characterized in that, include: In the first mode, a wake-up signal WUS is received, the parameters of which are associated with a location identifier; Based on the parameters of the WUS and the location identifier of the receiving device, the system switches from the first mode to the second mode, where the location identifier of the receiving device indicates the location of the receiving device.

2. The method according to claim 1, characterized in that, The transition from the first mode to the second mode based on the parameters of the WUS and the location identifier of the receiving device includes: Based on the mapping function and the location identifier of the receiving device, configuration parameters associated with the receiving device are obtained, wherein the input of the mapping function includes the location identifier and the output of the mapping function includes the configuration parameters; The system switches from the first mode to the second mode based on the parameters of the WUS and the configuration parameters associated with the receiving device.

3. The method according to claim 1 or 2, characterized in that, The WUS includes at least one linear frequency modulated (LFM) signal, and the parameters of the WUS include at least one or more of the following: the LFM rate of the at least one LFM signal, the initial frequency of the at least one LFM signal, the duration of the at least one LFM signal, and the initial time of the at least one LFM signal.

4. The method according to claim 1 or 2, characterized in that, The WUS includes a Zadoff-Chu ZC sequence, and the parameters of the WUS include at least one or more of the following: the root of the ZC sequence, the length of the ZC sequence, and the cyclic shift value of the ZC sequence.

5. The method according to any one of claims 1 to 4, characterized in that, The location identifier of the receiving device includes the coordinates of the receiving device's location in a two-dimensional or three-dimensional coordinate system with the reference point as the origin.

6. The method according to any one of claims 1 to 4, characterized in that, The location identifier of the receiving device includes an identifier of a location region, and the receiving device is located within the location region.

7. The method according to any one of claims 1 to 4, characterized in that, The location identifier of the receiving device includes the angle measured relative to the reference direction between the location of the receiving device and the reference point.

8. The method according to any one of claims 1 to 4, characterized in that, The location identifier of the receiving device includes an identifier for a corner region, which is located between a first direction and a second direction relative to a reference point, and the receiving device is located within the corner region.

9. The method according to any one of claims 1 to 8, characterized in that, The WUS is transmitted via a first beam of a plurality of beams, the plurality of beams covering different locations, the first beam covering the location of the receiving device.

10. The method according to any one of claims 1 to 9, characterized in that, The WUS is transmitted with a timing advance, which is associated with the distance between the receiving device and the transmitting device that transmitted the WUS. The transition from the first mode to the second mode based on the parameters of the WUS and the location identifier of the receiving device includes: An estimated distance is obtained based on the WUS, the estimated distance being associated with the timing advance and the distance between the receiving device and the transmitting device, and the estimated distance being less than a first threshold. Based on the estimated distance, the parameters of the WUS, and the location identifier of the receiving device, the system switches from the first mode to the second mode.

11. The method according to any one of claims 1 to 10, characterized in that, The WUS is transmitted at a predetermined depth, the difference between the predetermined depth and the radial distance of the receiving device is less than a second threshold, the radial distance of the receiving device being the distance between the receiving device and the transmitting device that transmitted the WUS.

12. The method according to any one of claims 1 to 11, characterized in that, The method further includes: The system receives configuration information indicating configuration parameters of the WUS, which are associated with the location identifier of the receiving device.

13. The method according to claim 12, characterized in that, The configuration information includes a mapping function, the input of which includes the location identifier, and the output of which includes the configuration parameters.

14. The method according to claim 12 or 13, characterized in that, The configuration information instructs the WUS to send with a timing lead.

15. The method according to claim 14, characterized in that, The configuration information indicates a first threshold, and the estimated distance obtained by the receiving device based on the WUS is less than the first threshold. The estimated distance is associated with the timing advance and the distance between the receiving device and the transmitting device that sent the WUS.

16. The method according to any one of claims 1 to 15, characterized in that, The WUS includes a prefix portion, the timing offset of the WUS is obtained based on the prefix portion, and the parameters of the WUS are obtained based on the timing offset.

17. The method according to any one of claims 1 to 16, characterized in that, The parameters of the WUS are associated with the identifier of the receiving device.

18. The method according to any one of claims 1 to 17, characterized in that, The power consumption corresponding to the first mode is lower than the power consumption corresponding to the second mode.

19. A communication method performed by a transmitting device, characterized in that, include: A wake-up signal (WUS) is sent, the parameters of which are associated with a location identifier. The parameters of the WUS are used by the receiving device to switch from a first mode to a second mode based on the location identifier of the receiving device, the location identifier of which indicates the location of the receiving device.

20. The method according to claim 19, characterized in that, The parameters of the WUS are used by the receiving device to switch from the first mode to the second mode according to the configuration parameters associated with the receiving device. The configuration parameters associated with the receiving device are obtained according to a mapping function and the location identifier of the receiving device. The input of the mapping function includes the location identifier, and the output of the mapping function includes the configuration parameters.

21. The method according to claim 19 or 20, characterized in that, The WUS includes at least one linear frequency modulated (LFM) signal, and the parameters of the WUS include at least one or more of the following: the LFM rate of the at least one LFM signal, the initial frequency of the at least one LFM signal, the duration of the at least one LFM signal, and the initial time of the at least one LFM signal.

22. The method according to claim 19 or 20, characterized in that, The WUS includes a Zadoff-Chu ZC sequence, and the parameters of the WUS include at least one or more of the following: the root of the ZC sequence, the length of the ZC sequence, and the cyclic shift value of the ZC sequence.

23. The method according to any one of claims 19 to 22, characterized in that, The location identifier of the receiving device includes the coordinates of the receiving device's location in a two-dimensional or three-dimensional coordinate system with the reference point as the origin.

24. The method according to any one of claims 19 to 22, characterized in that, The location identifier of the receiving device includes an identifier of a location region, and the receiving device is located within the location region.

25. The method according to any one of claims 19 to 22, characterized in that, The location identifier of the receiving device includes the angle measured relative to the reference direction between the location of the receiving device and the reference point.

26. The method according to any one of claims 19 to 22, characterized in that, The location identifier of the receiving device includes an identifier for a corner region, which is located between a first direction and a second direction relative to a reference point, and the receiving device is located within the corner region.

27. The method according to any one of claims 19 to 26, characterized in that, The WUS is transmitted via a first beam of a plurality of beams, the plurality of beams covering different locations, the first beam covering the location of the receiving device.

28. The method according to any one of claims 19 to 27, characterized in that, The WUS is transmitted with a timing advance, which is associated with the distance between the receiving device and the transmitting device. The estimated distance obtained by the receiving device based on the WUS is associated with the timing advance and the distance between the receiving device and the transmitting device, and the estimated distance is less than a first threshold.

29. The method according to any one of claims 19 to 28, characterized in that, The WUS is transmitted at a predetermined depth, the difference between the predetermined depth and the radial distance of the receiving device is less than a second threshold, the radial distance of the receiving device being the distance between the receiving device and the transmitting device.

30. The method according to any one of claims 19 to 29, characterized in that, The method further includes: Send configuration information indicating the configuration parameters of the WUS, which are associated with the location identifier of the receiving device.

31. The method according to claim 30, characterized in that, The configuration information includes a mapping function, the input of which includes the location identifier, and the output of which includes the configuration parameters.

32. The method according to claim 30 or 31, characterized in that, The configuration information instructs the WUS to send with a timing lead.

33. The method according to claim 32, characterized in that, The configuration information indicates a first threshold, and the estimated distance obtained by the receiving device based on the WUS is less than the first threshold. The estimated distance is associated with the timing advance and the distance between the receiving device and the transmitting device.

34. The method according to any one of claims 19 to 33, characterized in that, The WUS includes a prefix portion, the timing offset of the WUS is obtained based on the prefix portion, and the parameters of the WUS are obtained based on the timing offset.

35. The method according to any one of claims 19 to 34, characterized in that, The parameters of the WUS are associated with the identifier of the receiving device.

36. The method according to any one of claims 19 to 35, characterized in that, The power consumption corresponding to the first mode is lower than the power consumption corresponding to the second mode.

37. An apparatus, characterized in that, The apparatus includes a processor and a memory, the memory storing one or more instructions executable on the processor, the one or more instructions, when executed, causing the apparatus to perform the method according to any one of claims 1 to 18 or the method according to any one of claims 19 to 36.

38. An apparatus, characterized in that, The apparatus includes functions or units for performing the method according to any one of claims 1 to 18 or the method according to any one of claims 19 to 36.

39. A communication system, characterized in that, It includes a transmitting device and a receiving device, wherein the receiving device performs the method according to any one of claims 1 to 18, and the transmitting device performs the method according to any one of claims 19 to 36.

40. A computer-readable storage medium, characterized in that, It includes one or more instructions, which, when executed on a computer, perform the method according to any one of claims 1 to 18 or the method according to any one of claims 19 to 36.

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