WO2026007802A1 - 一种唤醒信号传输方法及装置 - Google Patents

一种唤醒信号传输方法及装置

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Publication number
WO2026007802A1
WO2026007802A1 PCT/CN2025/103918 CN2025103918W WO2026007802A1 WO 2026007802 A1 WO2026007802 A1 WO 2026007802A1 CN 2025103918 W CN2025103918 W CN 2025103918W WO 2026007802 A1 WO2026007802 A1 WO 2026007802A1
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WO
WIPO (PCT)
Prior art keywords
resource
terminal device
threshold
signal
equal
Prior art date
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Pending
Application number
PCT/CN2025/103918
Other languages
English (en)
French (fr)
Inventor
傅金澍
唐浩
高娜
马江镭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
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Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of WO2026007802A1 publication Critical patent/WO2026007802A1/zh
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02Power saving arrangements
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • This application relates to the field of communication technology, and in particular to a method and apparatus for transmitting wake-up signals.
  • Terminals can send or receive low-power wake-up signals via a low-power radio module. Therefore, during the transmission of the low-power wake-up signal, the main radio module can be shut down, achieving energy savings.
  • This application provides a wake-up signal transmission method and apparatus, which allows the terminal device to select appropriate resources to send an uplink wake-up signal, thereby achieving energy saving while ensuring service performance.
  • embodiments of this application provide a wake-up signal transmission method.
  • This method can be executed by a terminal device, which can refer to the terminal device itself or a processor, module, chip, or chip system that is equivalent to a terminal device and implements the method.
  • the terminal device determines a third resource from a first resource and a second resource based on the terminal device's service requirements and/or its location.
  • the terminal device uses the third resource to send an uplink wake-up signal to the network device.
  • the first resource is a Physical Random Access Channel (PRACH) resource dedicated to transmitting the uplink wake-up signal
  • the second resource is the resource corresponding to the chirp signal.
  • PRACH Physical Random Access Channel
  • the terminal device selects appropriate resources from the PRACH resources dedicated to transmitting uplink wake-up signals and the resources corresponding to chirped signals, based on the terminal device's service requirements and/or its location, thereby achieving energy saving while ensuring service performance. For example, when the terminal device has high service requirements and/or is far from the network device, it selects the PRACH resources dedicated to transmitting uplink wake-up signals to send the uplink wake-up signal.
  • the terminal device uses the PRACH resources dedicated to transmitting uplink wake-up signals to send the uplink wake-up signal, it does not need to wake up the main radio module of the network device first; it can directly send the uplink wake-up signal through the low-power radio module, thus achieving energy saving while ensuring service performance.
  • the terminal device has low service requirements and/or is close to the network device, it selects the resources corresponding to chirped signals to send the uplink wake-up signal, achieving energy saving while ensuring service performance.
  • the first resource is different from the PRACH resource used by the terminal device for PRACH. That is, the PRACH resource includes a first resource dedicated to transmitting uplink wake-up signals and a resource used by the terminal device for PRACH, and these two resources are different. This approach allows the terminal device to send an uplink wake-up signal using the first resource without first waking up the network device's main radio module; it can directly send the uplink wake-up signal through the low-power radio module, thereby reducing the network device's power consumption and achieving energy saving.
  • the first resource includes a first set and a second set.
  • the resources in the first set have higher reliability, while the resources in the second set have a wider coverage.
  • the third resource is a resource from the first set; if the service quality is less than or equal to the first threshold, and the measurement report value of the terminal device is less than a second threshold, the third resource is a resource from the second set; if the service quality is less than or equal to the first threshold, and the measurement report value is greater than or equal to the second threshold, the third resource is a second resource.
  • the service quality reflects the service requirements of the terminal device, and the measurement report value reflects the location of the terminal device.
  • the measurement report value is obtained by the terminal device measuring a synchronization signal block or synchronization signal.
  • the terminal device determines that the resource for sending the uplink wake-up signal is a resource in the first set. If the service quality is less than or equal to the first threshold, and the measurement report value of the terminal device is less than the second threshold, it indicates that the service priority of the terminal device is not high, but the terminal device is far from the network device. To ensure coverage, the terminal device determines that the resource for sending the uplink wake-up signal is a resource in the second set.
  • the terminal device determines that the resource for sending the uplink wake-up signal is the resource corresponding to the chirp signal (the second resource).
  • the first resource includes a first set and a third set.
  • the reliability of resources in the first set is lower than that of resources in the third set.
  • the third resource becomes the second resource; if the service quality is greater than the first threshold but less than the third threshold, the third resource is a resource in the first set; and if the service quality is greater than or equal to the third threshold, the third resource is a resource in the third set.
  • the service quality reflects the service requirements of the terminal device.
  • the terminal device determines the resource for sending the uplink wake-up signal as the second resource. If the service quality of the terminal device is greater than the first threshold but less than the third threshold, it indicates that the terminal device has a relatively high service priority. In this case, the terminal device determines the resource for sending the uplink wake-up signal to be a resource from the first set with higher reliability to ensure service performance. If the service quality of the terminal device is greater than or equal to the third threshold, it indicates that the terminal device has a high service priority. In this case, the terminal device determines the resource for sending the uplink wake-up signal to be a resource from the second set with higher reliability to meet the high-demand service quality and ensure service performance.
  • the first resource includes a second set and a fourth set.
  • the coverage area of the resources in the second set is greater than the coverage area of the resources in the fourth set.
  • the third resource is a resource in the second set; if the measurement report value is greater than or equal to the second threshold and less than the fourth threshold, the third resource is a resource in the fourth set; if the measurement report value is greater than or equal to the fourth threshold, the third resource is a second resource.
  • the measurement report value reflects the location of the terminal device and is obtained by the terminal device measuring the synchronization signal block or synchronization signal.
  • the terminal device determines the resources in the second set with a larger coverage area to send the uplink wake-up signal. If the terminal device's reported measurement value is greater than the second threshold but less than the fourth threshold, it indicates that the terminal device is far from the network device. To ensure coverage, the terminal device determines the resources in the fourth set with a larger coverage area to send the uplink wake-up signal. If the terminal device's reported measurement value is greater than or equal to the fourth threshold, it indicates that the terminal device is close to the network device. To reduce the complexity of network device detection, the terminal device determines the resources in the second set to send the uplink wake-up signal.
  • the uplink wake-up signal carries a preamble index, which is related to the amount of data to be transmitted by the terminal device. This approach allows the network device to determine the amount of data to be transmitted by the terminal device based on the preamble index carried in the uplink wake-up signal, thereby enabling the network device to schedule uplink transmission resources for the terminal device based on the amount of data to be transmitted.
  • the following of the chirp signal is related to the amount of data to be transmitted by the terminal device: the slope of the chirp signal, the frequency domain start position of the chirp signal, or the time domain start position of the chirp signal.
  • This approach helps the terminal device determine the amount of data to be transmitted based on the slope of the chirp signal, or the frequency domain start position of the chirp signal, or the time domain start position of the chirp signal, thereby helping the network device schedule uplink transmission resources for the terminal device based on the amount of data to be transmitted.
  • terminal devices can carry the amount of data to be transmitted through uplink signals. Compared with the terminal device waking up the network device and then reporting the amount of data to be transmitted through a scheduling request, this method can reduce communication latency.
  • embodiments of this application also provide a wake-up signal transmission method.
  • This method can be executed by a network device, which can refer to the network device itself or a processor, module, chip, or chip system that is equivalent to a network device in implementing the method.
  • the network device receives an uplink wake-up signal from a terminal device on a third resource; the network device determines the service requirements and/or the location of the terminal device based on the third resource.
  • the third resource is either a resource in the first resource or a second resource.
  • the first resource is a resource in the Physical Random Access Channel (PRACH) dedicated to transmitting the uplink wake-up signal
  • the second resource is the resource corresponding to the chirp signal.
  • PRACH Physical Random Access Channel
  • the network device can determine the service requirements and/or location of the terminal device based on the third resource used to receive the uplink wake-up signal. Furthermore, when the third resource is a PRACH resource dedicated to transmitting the uplink wake-up signal, the network device can receive the uplink wake-up signal directly through the low-power radio module without first waking up the main radio module, thus reducing power consumption and achieving energy saving.
  • the third resource is a resource corresponding to a chirp signal
  • the waveform of the chirp signal is simple, resulting in low detection complexity for the network device and further energy saving.
  • the first resource is different from the PRACH resource used by the terminal device for PRACH. That is, the PRACH resource includes a first resource dedicated to transmitting uplink wake-up signals and a resource used by the terminal device for PRACH, and these two are different. This approach allows the network device to directly receive the uplink wake-up signal via a low-power radio module when using the first resource, thereby reducing the network device's power consumption.
  • the first resource includes a first set and a second set.
  • the resources in the first set have higher reliability, while the resources in the second set have a wider coverage.
  • the third resource is a resource in the first set, the service quality of the terminal device is greater than a first threshold; if the third resource is a resource in the second set, the service quality is less than or equal to the first threshold, and the measurement-reported value of the terminal device is less than the second threshold; if the third resource is the second resource, the service quality is less than or equal to the first threshold, and the measurement-reported value is greater than or equal to the second threshold.
  • the service quality reflects the service requirements of the terminal device, and the measurement-reported value reflects the location of the terminal device. The measurement-reported value is obtained by the terminal device measuring a synchronization signal block or synchronization signal.
  • the service quality of the terminal device is determined to be greater than the first threshold; if the resource used by the network device to receive the uplink wake-up signal is a resource in the second set, then the service quality of the terminal device is determined to be less than or equal to the first threshold, and the measurement reported value of the terminal device is less than the second threshold; if the resource used by the network device to receive the uplink wake-up signal is the resource corresponding to the chirp signal, then the service quality of the terminal device is determined to be less than or equal to the first threshold, and the measurement reported value of the terminal device is greater than or equal to the second threshold.
  • the first resource includes a first set and a third set.
  • the reliability of resources in the first set is lower than the reliability of resources in the third set.
  • the third resource is the second resource, the service quality of the terminal device is less than or equal to a first threshold; if the third resource is a resource in the first set, the service quality is greater than the first threshold and less than the third threshold; if the third resource is a resource in the third set, the service quality is greater than or equal to the third threshold.
  • service quality reflects the service requirements of the terminal device.
  • the service quality of the terminal device is determined to be less than or equal to the first threshold; if the resource used by the network device to receive the uplink wake-up signal is a resource in the first set, then the service quality of the terminal device is determined to be greater than the first threshold and less than the third threshold; if the resource used by the network device to receive the uplink wake-up signal is a resource in the third set, then the service quality of the terminal device is determined to be greater than or equal to the third threshold.
  • the first resource includes a second set and a fourth set.
  • the coverage area of the resources in the second set is greater than the coverage area of the resources in the fourth set.
  • the measurement report value of the terminal device is less than a second threshold; if the third resource is a resource in the fourth set, the measurement report value is greater than or equal to the second threshold and less than the fourth threshold; if the third resource is a second resource, the measurement report value is greater than or equal to the fourth threshold.
  • the measurement report value reflects the location of the terminal device and is obtained by the terminal device measuring the synchronization signal block or synchronization signal.
  • the measurement report value of the terminal device is determined to be less than the second threshold; if the resource used by the network device to receive the uplink wake-up signal is a resource in the fourth set, then the measurement report value of the terminal device is determined to be greater than or equal to the second threshold and less than the fourth threshold; if the resource used by the network device to receive the uplink wake-up signal is the resource corresponding to the chirp signal, then the measurement report value of the terminal device is determined to be greater than or equal to the fourth threshold.
  • the third resource is a resource in the first resource
  • the network device when the uplink wake-up signal carries a preamble index, the network device further performs the following steps: based on the preamble index, determine the amount of data to be transmitted by the terminal device; based on the amount of data to be transmitted, schedule uplink transmission resources for the terminal device.
  • the network device when the third resource is the second resource, the network device further performs the following steps: determining the amount of data to be transmitted by the terminal device based on one of the following: the slope of the chirp signal, the frequency domain start position of the chirp signal, or the time domain start position of the chirp signal; and scheduling uplink transmission resources for the terminal device based on the amount of data to be transmitted.
  • network devices can determine the amount of data to be transmitted by the terminal device based on the received uplink wake-up signal, and then schedule uplink transmission resources for the terminal device according to the determined amount of data to be transmitted. Compared with the method where the network device obtains the amount of data to be transmitted by the terminal device through a scheduling request after being woken up, this method can reduce communication latency.
  • embodiments of this application also provide a communication device.
  • This communication device has some or all of the functions of the terminal device described in the first aspect, or some or all of the functions of the network device described in the second aspect.
  • the communication device may have some or all of the functions of the terminal device described in the first aspect of this application, or it may have the functions of any one of the embodiments of this application implemented individually.
  • the functions can be implemented by hardware or by hardware executing corresponding software.
  • the hardware or software includes one or more units or modules corresponding to the above functions.
  • the communication device may include a processing unit and a communication unit.
  • the processing unit is configured to support the communication device in performing the corresponding functions described in the above method.
  • the communication unit is used to support communication between the communication device and other communication devices.
  • the communication device may also include a storage unit coupled to the processing unit and the communication unit, which stores necessary program instructions and data for the communication device.
  • the communication device includes a processing unit and a communication unit, and the device is applied to a terminal device;
  • the processing unit is configured to determine a third resource from the first resource and the second resource based on the service requirements of the terminal device and/or the location of the terminal device.
  • the communication unit is used to send an uplink wake-up signal to the network device using the third resource
  • the first resource is a physical random access channel (PRACH) resource dedicated to transmitting the uplink wake-up signal
  • the second resource is the resource corresponding to the chirp signal.
  • PRACH physical random access channel
  • the communication device includes a processing unit and a communication unit, and the device is applied to a network device;
  • the communication unit is used to receive an uplink wake-up signal from a terminal device on a third resource
  • the processing unit is used to determine the service requirements of the terminal device and/or the location of the terminal device based on the third resource.
  • the third resource is either a resource in the first resource or a second resource.
  • the first resource is a resource in the Physical Random Access Channel (PRACH) dedicated to transmitting the uplink wake-up signal
  • the second resource is a resource corresponding to the chirp signal.
  • PRACH Physical Random Access Channel
  • the communication unit can be a transceiver or a communication interface
  • the storage unit can be a memory
  • the processing unit can be a processor
  • the processor is configured to determine a third resource from the first and second resources based on the service requirements of the terminal device and/or the location of the terminal device.
  • the transceiver is used to send an uplink wake-up signal to the network device using the third resource;
  • the first resource is a physical random access channel (PRACH) resource dedicated to transmitting the uplink wake-up signal
  • the second resource is the resource corresponding to the chirp signal.
  • PRACH physical random access channel
  • the communication device includes a processor and a transceiver, and the device is applied to a network device;
  • the transceiver is used to receive an uplink wake-up signal from a terminal device on a third resource
  • the processor is configured to determine the service requirements of the terminal device and/or the location of the terminal device based on the third resource.
  • the third resource is either a resource in the first resource or a second resource.
  • the first resource is a resource in the Physical Random Access Channel (PRACH) dedicated to transmitting the uplink wake-up signal
  • the second resource is a resource corresponding to the chirp signal.
  • PRACH Physical Random Access Channel
  • the communication device is a chip or chip system.
  • the processing unit may also be a processing circuit or logic circuit; the communication unit may be an input/output interface, interface circuit, output circuit, input circuit, pin, or related circuit on the chip or chip system.
  • the processor can be used for, but is not limited to, baseband-related processing, and the transceiver can be used for, but is not limited to, radio frequency transceiver.
  • These devices can be disposed on separate chips, or at least partially or entirely on the same chip.
  • the processor can be further divided into analog baseband processors and digital baseband processors.
  • the analog baseband processor can be integrated with the transceiver on the same chip, while the digital baseband processor can be disposed on a separate chip.
  • a digital baseband processor can be integrated with multiple application processors (e.g., but not limited to graphics processors, multimedia processors, etc.) on the same chip.
  • SoC system-on-a-chip
  • embodiments of this application also provide a processor for executing the various methods described above.
  • the processes of sending and receiving the aforementioned information can be understood as the processor outputting the aforementioned information and the processor receiving the input information.
  • the processor When outputting the aforementioned information, the processor outputs the information to a transceiver for transmission. After being output by the processor, the information may require further processing before reaching the transceiver.
  • the transceiver receives the information and inputs it to the processor.
  • the information may require further processing before being input to the processor.
  • the transmission and reception operations involved by the processor can be more generally understood as processor output and reception, input and other operations, rather than transmission and reception operations directly performed by radio frequency circuits and antennas.
  • the processor can be a dedicated processor for executing these methods, or it can be a processor that executes computer instructions stored in memory to execute these methods, such as a general-purpose processor.
  • the memory can be a non-transitory memory, such as read-only memory (ROM), which can be integrated with the processor on the same chip or disposed on different chips. This application does not limit the type of memory or the arrangement of the memory and the processor.
  • embodiments of this application also provide a communication system, which includes a terminal device and a network device.
  • the system may further include other devices/functional network elements that interact with the terminal device and/or the network device.
  • embodiments of this application provide a computer-readable storage medium for storing instructions that, when executed by a computer, implement the method described in the first or second aspect above.
  • embodiments of this application also provide a computer program product including instructions that, when run on a computer, implement the methods described in the first or second aspect above.
  • embodiments of this application provide a chip system including a processor and an interface.
  • the interface is used to acquire programs or instructions
  • the processor is used to invoke the programs or instructions to implement or support a terminal device in implementing the functions involved in the first aspect, or to implement or support a network device in implementing the functions involved in the second aspect. For example, determining or processing at least one of the data and information involved in the above methods.
  • the chip system further includes a memory for storing necessary program instructions and data for the terminal. This chip system may be composed of chips or may include chips and other discrete devices.
  • embodiments of this application provide a communication device including a processor for executing a computer program or executable instructions stored in a memory, wherein when the computer program or executable instructions are executed, the device performs methods as described in various possible implementations of the first or second aspect.
  • processor and memory are integrated together
  • the aforementioned memory is located outside the communication device.
  • Figure 1 is a schematic diagram of the architecture of a communication system
  • Figure 2 is a schematic diagram of a standalone network system architecture
  • Figure 3 is a schematic diagram of a dual-connectivity system architecture
  • Figure 4 is a schematic diagram of the structure of a network device and a terminal device
  • Figure 5 is a schematic diagram of the time-domain and frequency-domain responses of a chirped signal
  • Figure 6 is a schematic diagram illustrating the capability evolution from a 4G terminal to a 5G terminal
  • Figure 7 is an interactive schematic diagram of a wake-up signal transmission method provided in an embodiment of this application.
  • Figure 8 is a schematic diagram of a PRACH resource provided in an embodiment of this application.
  • Figure 9 is a schematic diagram of a time-domain resource provided in an embodiment of this application.
  • Figure 10 is a schematic diagram of the structure of a communication device provided in an embodiment of this application.
  • Figure 11 is a schematic diagram of another communication device provided in an embodiment of this application.
  • the embodiments of this application can be applied to long-term evolution (LTE) systems, 5th generation (5G) mobile communication systems, 6th generation (6G) mobile communication systems and other systems evolving after 5G, as well as satellite communication and short-range wireless communication systems.
  • LTE long-term evolution
  • 5G 5th generation
  • 6G 6th generation
  • the system architecture is shown in Figure 1.
  • the wireless communication system may include one or more network devices and one or more terminal devices.
  • the wireless communication system can also perform point-to-point communication, such as communication between multiple terminal devices.
  • the network device is a device with wireless transceiver capabilities used to communicate with terminal devices. It can be an evolved Node B (eNB or eNodeB) in LTE, a base station in a 5G/6G network, or a base station, broadband network gateway (BNG), aggregation switch, or non-3rd generation partnership project (3GPP) access device in a future evolved public land mobile network (PLMN).
  • eNB evolved Node B
  • BNG broadband network gateway
  • 3GPP non-3rd generation partnership project
  • PLMN future evolved public land mobile network
  • the network devices in this application embodiment may include various forms of base stations, such as: macro base stations, micro base stations (also known as small stations), relay stations, access points, devices that will implement base station functions in the future, access points (APs), transmitting and receiving points (TRPs), transmitting points (TPs) in wireless fidelity (WiFi) systems, mobile switching centers, and devices that perform base station functions in device-to-device (D2D), vehicle-to-everything (V2X), and machine-to-machine (M2M) communications, as well as communications evolved after 5G.
  • base stations such as: macro base stations, micro base stations (also known as small stations), relay stations, access points, devices that will implement base station functions in the future, access points (APs), transmitting and receiving points (TRPs), transmitting points (TPs) in wireless fidelity (WiFi) systems, mobile switching centers, and devices that perform base station functions in device-to-device (D2D), vehicle-to-everything (V2X), and machine-to-mach
  • the system includes equipment that implements base station functions, integrated access and backhaul (IAB), and may also include centralized units (CU) and distributed units (DU) in cloud radio access network (C-RAN) systems, and network equipment in non-terrestrial network (NTN) communication systems. These can be deployed on high-altitude platforms or satellites, and can also be various devices that constitute access nodes, such as active antenna units (AAU) and baseband units (BBU). This application does not specifically limit these aspects.
  • IAB integrated access and backhaul
  • CU centralized units
  • DU distributed units
  • C-RAN cloud radio access network
  • NTN non-terrestrial network
  • AAU active antenna units
  • BBU baseband units
  • Network devices can communicate and interact with core network devices to provide communication services to terminal devices.
  • Core network devices for example, are those in the 5G network core network (CN).
  • CN 5G network core network
  • the core network provides an interface to the data network, offering terminals communication connectivity, authentication, management, policy control, and the ability to carry data services.
  • terminal devices including communication equipment carried on high-altitude aircraft, wearable devices, drones, robots, terminals in D2D, terminals in V2X, virtual reality (VR) terminal devices, augmented reality (AR) terminal devices, wireless terminals in industrial control, wireless terminals in self-driving, wireless terminals in remote medical care, wireless terminals in smart grids, wireless terminals in transportation safety, wireless terminals in smart cities, wireless terminals in smart homes, or terminal devices in future communication networks.
  • terminal devices including communication equipment carried on high-altitude aircraft, wearable devices, drones, robots, terminals in D2D, terminals in V2X, virtual reality (VR) terminal devices, augmented reality (AR) terminal devices, wireless terminals in industrial control, wireless terminals in self-driving, wireless terminals in remote medical care, wireless terminals in smart grids, wireless terminals in transportation safety, wireless terminals in smart cities, wireless terminals in smart homes, or terminal devices in future communication networks.
  • VR virtual reality
  • AR augmented reality
  • the scenarios used in the embodiments of this application include, but are not limited to, terrestrial cellular communication, NTN communication, satellite communication, high altitude platform station (HAPS) communication, V2X communication, IAB, and reconfigurable intelligent surface (RIS) communication.
  • HAPS high altitude platform station
  • RIS reconfigurable intelligent surface
  • SA communication scenario refers to a situation where a terminal device is connected to a single base station, and both the base station connected to the terminal device and the core network connected to the base station are of the same standard.
  • Figure 2 is a schematic diagram of a standalone network system architecture.
  • the core network is a 6G core
  • the base station connected to the terminal device is a 6G base station
  • the 6G base station is directly connected to the 6G core.
  • the core network is a 5G core
  • the base station connected to the terminal device is a 5G base station
  • the 5G base station is directly connected to the 5G core.
  • Dual connectivity refers to a scenario where a terminal device simultaneously connects to base stations of different/same standards, applicable to terminal devices in a connected state.
  • Figure 3 is a schematic diagram of a dual connectivity system architecture.
  • the core network is a 5G core
  • the terminal device simultaneously connects to both a 5G base station and a 6G base station, with the 5G base station acting as the primary station and the 6G base station as the secondary station.
  • the core network is a 6G core
  • the terminal device simultaneously connects to both a 6G base station and a 5G base station, with the 6G base station acting as the primary station and the 5G base station as the secondary station.
  • the core network is a 5G core, and the terminal device simultaneously connects to two 5G base stations, meaning both the primary and secondary stations are 5G base stations.
  • the core network is a 6G core, and the terminal device simultaneously connects to two 6G base stations, meaning both the primary and secondary stations are 6G base stations.
  • Wake-up signals are used to bring a device back to working status from standby/sleep mode.
  • a low-power-wake-up signal (LP-WUS) was proposed, leading to the development of a low-power radio (LR) module, also known as a low-power-wake-up radio (LP-WUR) module.
  • LR low-power radio
  • LP-WUR low-power-wake-up radio
  • Network and terminal devices can transmit WUS through either the main radio (MR) module or the LR module.
  • the LR module is independent of the MR, and the MR can be turned off while the LR is active and searching for potential WUS signals, thus achieving energy savings.
  • the main radio (MR) module can also be called the main radio, main receiver, communication main module, or main circuit.
  • the MR can be used to receive or transmit signaling, data, and measurement signals.
  • Low-power radio can also be called low-power radio, wake-up receiver (WUR), low-power WUR (LP-WUR), wake-up circuit, communication auxiliary module, or auxiliary circuit.
  • the LR's operating power consumption is much lower than the MR's.
  • the LR is used to receive or transmit low-power signals (such as low-power wake-up signals, low-power synchronization signals, low-power measurement signals, etc.) and to notify the MR of wake-up or sleep states.
  • the network device includes an MR module and an LR module.
  • the terminal device can send WUS to the network device through the MR module, and correspondingly, the network device can receive WUS from the terminal device through the MR module.
  • the network device sends WUS to the terminal device through the MR module based on the traditional Zadoff-Chu sequence and downlink control information (DCI) in Format 2-6 of the physical downlink control channel (PDCCH).
  • DCI downlink control information
  • PDCCH physical downlink control channel
  • network devices can send LP WUS to terminal devices via the LR module, and the terminal devices can receive LP WUS from the network devices via the LR module.
  • the terminal device can receive LP-WUS signals and low-power synchronization signals (LP-SS) signals via the LR module to complete MR wake-up and synchronization.
  • the terminal can then measure channel quality using the synchronization signal and the physical broadcast channel block (SSB) or channel state information-reference signal (CSI-RS), and subsequently receive and transmit data via MR.
  • SSB physical broadcast channel block
  • CSI-RS channel state information-reference signal
  • the terminal device can also send a low-power WUS to the network device through the LR module, and the network device can receive the low-power WUS from the terminal device through the LR module.
  • the low-power WUS sent by the terminal device to the network device can be called an uplink wake-up signal (UL WUS), that is, UL WUS is a type of low-power WUS.
  • a chirped signal is a signal whose carrier frequency increases linearly over the duration of a pulse during encoding. Alternatively, it can be understood as a signal whose frequency changes (increases or decreases) over time.
  • the expression for a chirped signal x(t) is:
  • f ⁇ sub>0 ⁇ /sub> is the starting frequency of the chirped signal
  • u ⁇ sub>0 ⁇ /sub> is the linear frequency change value of the chirped signal, used to characterize the frequency change of the chirped signal.
  • Figure 5 is a schematic diagram of the time-domain and frequency-domain response of a chirped signal, where BW represents the bandwidth of the chirped signal.
  • BW represents the bandwidth of the chirped signal.
  • a chirped signal is a signal whose frequency increases with time.
  • Chirp signals can carry a small amount of information, which can be used as wake-up signals (WUS) to enable devices to resume operation from standby/sleep state.
  • WUS wake-up signals
  • Figure 6 illustrates the capability evolution from a 4G terminal to a 5G terminal.
  • a 4G or 4.5G terminal supports a maximum of one transmit antenna and two receive antennas, with a maximum power of 23dBm and a maximum bandwidth of 20MHz;
  • a 5G terminal supports a maximum of two transmit antennas and two receive antennas, with a maximum power of 29dBm and a maximum bandwidth of 100MHz. It is evident that the capabilities of a 5G terminal are significantly greater than those of a 4G or 4.5G terminal.
  • LP WUS has been proposed. Specifically, for low-power UL WUS transmitted to network devices, terminal devices can use PRACH resources for Physical Random Access Channel (PRACH) to transmit UL WUS.
  • PRACH Physical Random Access Channel
  • this method results in high detection power consumption for network devices, and the network devices need to be periodically woken up to use MR for PRACH detection.
  • terminal devices can use chirp waveforms to transmit UL WUS, but chirp signals have low reliability and poor coverage.
  • FIG. 7 is an interactive schematic diagram of the wake-up signal transmission method.
  • the wake-up signal transmission method is described from the perspective of the interaction between network devices and terminal devices.
  • the wake-up signal transmission method includes, but is not limited to, the following steps:
  • the terminal device determines a third resource from the first resource and the second resource based on the terminal device's service requirements and/or the terminal device's location.
  • the first resource is the physical random access channel (PRACH) resource dedicated to transmitting uplink wake-up signals
  • the second resource is the resource corresponding to the chirp signal.
  • PRACH physical random access channel
  • the third resource refers to the resources used for transmitting UL WUS. Specifically, for the terminal device, the third resource is the resource used by the terminal device to transmit UL WUS.
  • the PRACH resources include resources dedicated to transmitting uplink wake-up signals and resources for the terminal device to perform PRACH, and the resources dedicated to transmitting uplink wake-up signals are different from the resources for the terminal device to perform PRACH, that is, the first resource is different from the resources in the PRACH resources used by the terminal device to perform PRACH.
  • the first resource in the PRACH resource dedicated to transmitting UL WUS can be a predefined time-domain location at certain times, such as the nth slot of a certain radio subframe, where n is a positive integer, or a predefined frequency-domain location, such as one or more resource occasions (RO) for each PRACH occasion, or a combination of the above two methods.
  • n is a positive integer
  • a predefined frequency-domain location such as one or more resource occasions (RO) for each PRACH occasion, or a combination of the above two methods.
  • PRACH resources can be divided into two categories: one dedicated to transmitting UL WUS, and the other for terminal devices to perform PRACH.
  • This approach allows terminal devices to use the first resource in the PRACH pool to transmit UL WUS, instead of using the resource designated for PRACH, thus eliminating the need to wake up the network device first and reducing power consumption.
  • the PRACH resources dedicated to transmitting uplink wake-up signals can be called dedicated resources, i.e., the first resource can be called dedicated resources; the PRACH resources used by the terminal device to receive the preamble and perform PRACH can be called normal resources.
  • PRACH resources include dedicated resources and normal resources.
  • Dedicated resources include set 1 and set 2, and the dedicated resources and normal resources are located in different time-frequency domain positions.
  • the first resource in the PRACH resource can be configured by the network device to the terminal device in advance through configuration information.
  • the first resource in the PRACH resource can be indicated by the network device to the terminal device in advance through indication information. This application does not limit the implementation method for the terminal device to obtain the first resource.
  • the first resource in the PRACH resource includes multiple sets, which can also be called resource sets. These multiple sets in the first resource can be determined based on the service requirements or priorities of the terminal device, or based on the location of the terminal device or the distance between the terminal device and the network device, or based on preset rules.
  • the preset rules could be that long-period PRACH corresponds to one set, and short-period PRACH corresponds to another set. This application embodiment does not limit the method of determining the multiple sets in the first resource set.
  • the multiple sets in the first resource are determined based on the terminal device's business situation, business scenario, or preset conditions. Therefore, when the terminal device selects the resource used to send UL WUS from the multiple sets in the first resource and the second resource, it can also make the selection according to the corresponding situation.
  • the first resource includes a first set and a second set.
  • the resources in the first set have high reliability, while the resources in the second set have good coverage. Therefore, the resources in the first set can guarantee service performance, and the resources in the second set can guarantee coverage.
  • the terminal device determines a third resource from the first and second resources based on the terminal device's service requirements and/or the terminal device's location. This includes: when the terminal device's service quality is greater than a first threshold, determining the third resource as a resource in the first set from the first and second resources; when the service quality is less than or equal to the first threshold and the terminal device's measurement report value is less than a second threshold, determining the third resource as a resource in the second set from the first and second resources; and when the service quality is less than or equal to the first threshold and the measurement report value is greater than or equal to the second threshold, determining the third resource as a second resource.
  • the third resource is a resource in the first set; if the service quality is less than or equal to the first threshold and the measurement report value of the terminal device is less than the second threshold, the third resource is a resource in the second set; if the service quality is less than or equal to the first threshold and the measurement report value is greater than or equal to the second threshold, the third resource is a second resource.
  • the Quality of Service (QoS) of the terminal device reflects the service requirements of the terminal device; in other words, the service requirements of the terminal device can be represented by the service QoS of the terminal device.
  • the measurement report value of the terminal device reflects the location of the terminal device; in other words, the location of the terminal device can be represented by the measurement report value of the terminal device.
  • the measurement report value of the terminal device is obtained by the terminal device measuring the SSB or synchronization signal (SS) from the network device. This synchronization signal can be LP-SS.
  • the measurement report value of the terminal device can be the reference signal receiving power (RSRP) obtained by measuring the SSB or SS.
  • RSRP reference signal receiving power
  • first and second thresholds can be predefined or configured by the network device for the terminal device.
  • the terminal device's service QoS is greater than the first threshold, it indicates that the terminal device's service priority is high, and UL WUS's time-frequency domain resources require highly reliable resources.
  • the terminal device determines the third resource as a resource from the first set, which facilitates the rapid wake-up of network devices and ensures timely scheduling of the terminal device's services, thus guaranteeing service performance. If the terminal device's service QoS is less than or equal to the first threshold, and the terminal device's reported measurement value is less than the second threshold, it indicates that the terminal device's service priority is not high, but the terminal device is far from the network device, such as at the edge of the network. In this case, UL WUS's time-frequency domain resources require resources with a large coverage area.
  • the terminal device determines the third resource as a resource from the second set to ensure coverage. If the service quality is less than or equal to the first threshold, and the reported measurement value is greater than or equal to the second threshold, it indicates that the terminal device's service priority is not high, and the terminal device is not far from the network device, meaning the terminal device's QoS and coverage requirements are not high. In this case, the terminal device determines the third resource as the resource corresponding to the chirp signal, so that UL WUS can use the chirp waveform for transmission, reducing the complexity of base station detection.
  • the terminal device has a higher service priority, which could be higher than a first preset level; the terminal device has a lower service priority, which could be lower than a first preset level; the terminal device is far from the network device, which could be a distance greater than a first preset distance; or the terminal device is close to the network device, which could be a distance less than a first preset distance.
  • the first resource includes a first set and a third set.
  • the reliability of resources in the first set is lower than the reliability of resources in the third set.
  • the terminal device determines the third resource from the first and second resources based on its service requirements. This includes: determining the third resource as the second resource when the terminal device's service quality is less than or equal to a first threshold; determining the third resource as a resource in the first set when the terminal device's service quality is greater than the first threshold and less than the third threshold; and determining the third resource as a resource in the second set when the terminal device's service quality is greater than or equal to the third threshold.
  • the first and third thresholds can be predefined or configured by the network device for the terminal device.
  • the third resource is the second resource; if the service quality is greater than the first threshold and less than the third threshold, the third resource is a resource in the first set; if the service quality is greater than or equal to the third threshold, the third resource is a resource in the third set.
  • the terminal device determines the resource for sending UL WUS to be the resource corresponding to the chirp signal, i.e., the third resource is the second resource, to reduce the complexity of network device detection. If the service quality of the terminal device is greater than the first threshold and less than the third threshold, it indicates that the terminal device has a relatively high service priority. In this case, the terminal device determines the resource for sending UL WUS to be the resource in the first set, to meet the terminal device's service requirements and ensure service performance. If the service quality of the terminal device is greater than or equal to the third threshold, it indicates that the terminal device has a high service priority. In this case, the terminal device determines the resource for sending UL WUS to be the resource in the second set with higher reliability, to meet the high-demand service quality and ensure service performance.
  • the terminal device has a low service priority, meaning its service priority is lower than a first preset level; the terminal device has a relatively high service priority, meaning its service priority is higher than the first preset level; and the terminal device has an even higher service priority, meaning its service priority is higher than a second preset level.
  • the second preset level is higher than the first preset level.
  • the first resource includes a second set and a fourth set.
  • the coverage of resources in the second set is greater than the coverage of resources in the fourth set.
  • the terminal device determines the third resource from the first and second resources based on the terminal device's service requirements. This includes: determining the third resource as a resource in the second set when the terminal device's measurement report value is less than the second threshold; determining the third resource as a resource in the fourth set when the terminal device's measurement report value is greater than or equal to the second threshold and less than the fourth threshold; and determining the third resource as a second resource when the terminal device's measurement report value is greater than or equal to the fourth threshold.
  • the third resource is a resource in the second set; if the measurement report value of the terminal device is greater than or equal to the second threshold and less than the fourth threshold, the third resource is a resource in the fourth set; if the measurement report value of the terminal device is greater than or equal to the fourth threshold, the third resource is a resource in the second set.
  • the terminal device determines that the resource for sending UL WUS is from the second set, which has a larger coverage area, to ensure a longer coverage range. If the measured value reported by the terminal device is greater than the second threshold but less than the fourth threshold, it indicates that the terminal device is relatively far from the network device. In this case, the terminal device determines that the resource for sending UL WUS is from the fourth set, which has a larger coverage area, to ensure a larger coverage range. If the measured value reported by the terminal device is greater than or equal to the fourth threshold, it indicates that the terminal device is relatively close to the network device, and coverage is not required. In this case, the terminal device determines that the resource for sending UL WUS is the resource corresponding to the chirp signal, i.e., the second resource, to reduce the complexity of network device detection.
  • the terminal device is located far from the network device, meaning the distance between the terminal device and the network device is greater than a first preset distance; the terminal device is located relatively far from the network device, meaning the distance between the terminal device and the network device is greater than a second preset distance but less than the first preset distance; the terminal device is located close to the network device, meaning the distance between the terminal device and the network device is less than the second preset distance.
  • the second preset distance is less than the first preset distance.
  • the first resource may also include other sets, which are not limited in this embodiment.
  • the implementation method for determining the third resource by the terminal device can refer to the above implementation method, and will not be repeated here.
  • the terminal device can also select the resource for sending UL WUS from multiple sets and the second resource based on the service requirements and/or the location.
  • the terminal device determines the resource for transmitting UL WUS from the first resource and the second resource based on the terminal device's service requirements and/or location, it can guarantee high-requirement service performance and/or high-requirement coverage. Furthermore, since the first resource is a PRACH resource dedicated to transmitting UL WUS, rather than a PRACH resource, the terminal device can transmit UL WUS through a low-power radio module, reducing the terminal device's power consumption and thus achieving energy saving while ensuring service performance.
  • the simple waveform of the chirp signal helps reduce the detection complexity of the network device and achieve energy saving when the service quality is low and/or the coverage performance is good.
  • the terminal device sends an uplink wake-up signal to the network device using third resources.
  • the network device receives the uplink wake-up signal from the terminal device using third resources.
  • the terminal device determines that the third resource is a resource within the first resource, based on its service requirements and/or location, such as a resource within the first set of the first resources, then the terminal device sends a UL WUS to the network device using the resource within the first set. If the terminal device determines that the third resource is a second resource, based on its service requirements and/or location, then the terminal device sends a UL WUS to the network device using the second resource.
  • the terminal device when the third resource is a resource within the first resource, since the first resource is a PRACH resource dedicated to transmitting UL WUS, the terminal device does not need to first wake up the network device's main radio module. Therefore, the terminal device can directly transmit UL WUS to the network device via its low-power radio module using the resources within the first resource, thereby reducing power consumption. Correspondingly, the network device can directly receive UL WUS from the terminal device via its low-power radio module using the resources within the first resource, further reducing power consumption and achieving energy saving.
  • the terminal device when the third resource is the second resource, the terminal device does not need to wake up the main radio module of the network device first. It can directly send UL WUS to the network device through the low-power radio module using the second resource. Correspondingly, the network device can receive UL WUS from the terminal device through the low-power radio module using the second resource, thus achieving energy saving.
  • the network device since the waveform of the chirp signal is simple, the network device can use the resource corresponding to the chirp signal to receive UL WUS, which can reduce the complexity of detection.
  • the terminal device can carry a service size indication via UL WUS, such as the amount of data to be transmitted by the terminal device, thereby enabling the network device to determine the amount of data to be transmitted by the terminal device via UL WUS.
  • Terminal devices can use various methods to enable UL WUS to carry the amount of data to be transmitted, such as implicitly or explicitly, where the amount of data to be transmitted can be a range of data.
  • the uplink wake-up signal carries a preamble index, which is related to the amount of data the terminal device needs to transmit. That is, when the terminal device determines that the resource used to send UL WUS is a PRACH resource specifically designated for UL WUS transmission, it can implicitly carry the amount of data to be transmitted through the preamble index carried by UL WUS. For example, the relationship between the preamble index and the amount of data to be transmitted by the terminal device is shown in Table 1 below.
  • a preamble index of 1 in UL WUS indicates that the data to be transmitted by the terminal device is less than or equal to 10 bytes.
  • a preamble index of 2 in UL WUS indicates that the data to be transmitted by the terminal device is less than or equal to 14 bytes.
  • the following item of the chirp signal is related to the amount of data to be transmitted by the terminal device: the slope of the chirp signal, the frequency domain start position of the chirp signal, or the time domain start position of the chirp signal. That is, when the terminal device determines that the resource used to transmit UL WUS is the resource corresponding to the chirp signal, it can implicitly carry the amount of data to be transmitted by the terminal device through the slope of the chirp signal, or the frequency domain start position of the chirp signal, or the time domain start position of the chirp signal.
  • Figure 9 is a schematic diagram of a time domain resource. As shown in Figure 9, slot 0 indicates that the amount of data to be transmitted by the terminal device is 10 bytes, and slot 1 indicates that the amount of data to be transmitted by the terminal device is 20 bytes.
  • UL WUS can directly carry (display) the amount of data to be transmitted by the terminal device.
  • the network device can determine the amount of data to be transmitted by the terminal device through the content carried by UL WUS.
  • the terminal device can quickly transmit data with the network device, configure time-frequency domain resources for the upcoming uplink data, and thus reduce communication latency.
  • Network devices determine the service requirements of terminal devices and/or the location of terminal devices based on third-party resources.
  • the terminal device determines a third resource from the first and second resources for transmitting UL WUS.
  • the network device can determine the terminal device's service requirements and/or location based on the third resource used to receive UL WUS.
  • the implementation method in which the network device determines the service requirements and/or location of the terminal device based on the third resource corresponds to the implementation method in which the terminal device determines the third resource from the first resource and the second resource based on the service requirements and/or location of the terminal device.
  • the first resource includes a first set and a second set.
  • the network device determines the service requirements of the terminal device and/or the location of the terminal device based on the third resource, including: when the third resource is a resource in the first set, determining that the service quality of the terminal device is greater than a first threshold; when the third resource is a resource in the second set, determining that the service quality of the terminal device is less than or equal to the first threshold, and the measurement reported value of the terminal device is less than a second threshold; when the third resource is the second resource, determining that the service quality of the terminal device is less than or equal to the first threshold, and the measurement reported value of the terminal device is greater than or equal to the second threshold.
  • the third resource is a resource in the first set, the service quality of the terminal device is greater than the first threshold; if the third resource is a resource in the second set, the service quality is less than or equal to the first threshold, and the measurement report value of the terminal device is less than the second threshold; if the third resource is a second resource, the service quality is less than or equal to the first threshold, and the measurement report value is greater than or equal to the second threshold.
  • the service quality of the terminal device is greater than the first threshold, it indicates that the terminal device has a high service priority; if the service quality is less than or equal to the first threshold and the measurement report value of the terminal device is less than the second threshold, it indicates that the terminal device has a low service priority, but the terminal device is far from the network device; if the service quality is less than or equal to the first threshold and the measurement report value is greater than or equal to the second threshold, it indicates that the terminal device has a low service priority, but the terminal device is not far from the network device. Furthermore, for cases where the terminal device has a high service priority and is far from the network device, please refer to section S702 above, which will not be repeated here.
  • the first resource includes a first set and a third set.
  • the network device determines the service requirements of the terminal device and/or the location of the terminal device based on the third resource, including: if the third resource is a second resource, determining that the service quality of the terminal device is less than or equal to a first threshold; if the third resource is a resource in the first set, determining that the service quality of the terminal device is greater than the first threshold and less than the third threshold; if the third resource is a resource in the third set, determining that the service quality of the terminal device is greater than or equal to the third threshold.
  • the third resource is the second resource, the service quality of the terminal device is less than or equal to the first threshold; if the third resource is a resource in the first set, the service quality is greater than the first threshold and less than the third threshold; if the third resource is a resource in the third set, the service quality is greater than or equal to the third threshold.
  • the service quality of a terminal device is less than or equal to the first threshold, it indicates that the terminal device has a low service priority; if the service quality of a terminal device is greater than the first threshold but less than the third threshold, it indicates that the terminal device has a relatively high service priority; if the service quality of a terminal device is greater than or equal to the third threshold, it indicates that the terminal device has a very high service priority.
  • the service quality of a terminal device is less than or equal to the first threshold, it indicates that the terminal device has a low service priority; if the service quality of a terminal device is greater than the first threshold but less than the third threshold, it indicates that the terminal device has a relatively high service priority; if the service quality of a terminal device is greater than or equal to the third threshold, it indicates that the terminal device has a very high service priority.
  • the first resource includes a second set and a fourth set.
  • the network device determines the service requirements of the terminal device and/or the location of the terminal device based on the third resource, including: when the third resource is a resource in the second set, determining that the measurement report value of the terminal device is less than a second threshold; when the third resource is a resource in the fourth set, determining that the measurement report value is greater than or equal to the second threshold and less than the fourth threshold; when the third resource is the second resource, determining that the measurement report value is greater than or equal to the fourth threshold.
  • the third resource is a resource in the second set, the measurement report value of the terminal device is less than the second threshold; if the third resource is a resource in the fourth set, the measurement report value of the terminal device is greater than or equal to the second threshold and less than the fourth threshold; if the third resource is the second resource, the measurement report value of the terminal device is greater than or equal to the fourth threshold.
  • the measured value reported by the terminal device is less than the second threshold, it indicates that the terminal device is far from the network device; if the measured value reported by the terminal device is greater than the second threshold but less than the fourth threshold, it indicates that the terminal device is relatively far from the network device; if the measured value reported by the terminal device is greater than or equal to the fourth threshold, it indicates that the terminal device is relatively close to the network device.
  • the distinctions between “far from the network device,” “relatively far from the network device,” and “relatively close to the network device” are described in section S702 above and will not be repeated here.
  • the multiple sets in the first resource are determined according to preset rules, and different sets correspond to different service requirements of terminal devices and/or the location of terminal devices.
  • the network device can also determine the service requirements of terminal devices and/or the location of terminal devices based on the set used by receiving UL WUS.
  • network devices can determine the status of terminal devices based on the third resources used by UL WUS.
  • the status of a terminal device includes at least one of the following: the service requirements of the terminal device, the location of the terminal device, the service quality of the terminal device, the measurement and reporting value of the terminal device, the service priority of the terminal device, and the distance between the terminal device and the network device. This facilitates the network device in scheduling the terminal device based on the determined status of the terminal device.
  • the network device when the network device receives that the third resource used by UL WUS is a resource in the first resource, and the uplink wake-up signal carries a preamble index, the network device further performs the following steps: determining the amount of data to be transmitted by the terminal device based on the preamble index; and scheduling uplink transmission resources for the terminal device based on the amount of data to be transmitted. For example, if the preamble index carried by UL WUS is index 3 in Table 1 above, then the network device determines that the amount of data to be transmitted by the terminal device is less than or equal to 30 bytes, and then schedules uplink transmission resources for the terminal device according to the range of the amount of data to be transmitted.
  • the network device when the network device receives the third resource (second resource) corresponding to the chirp signal used by UL WUS, the network device may further perform the following steps: determine the amount of data to be transmitted by the terminal device based on one of the following: the slope of the chirp signal, the frequency domain start position of the chirp signal, or the time domain start position of the chirp signal; and schedule uplink transmission resources for the terminal device based on the amount of data to be transmitted.
  • the network device determines that the amount of data to be transmitted by the terminal device is 20 bytes, and then schedules uplink transmission resources for the terminal device based on this amount of data to be transmitted.
  • the network device can determine the amount of data to be transmitted based on UL WUS, and then schedule uplink transmission resources for the terminal device based on the determined amount of data to be transmitted. Compared with the method where the network device learns the amount of data to be transmitted from the terminal device via SR after being woken up, this method is more timely and can reduce communication latency.
  • the terminal device selects a suitable third resource from the PRACH resources dedicated to transmitting uplink wake-up signals and the resources corresponding to chirp signals, based on the terminal device's service requirements and/or location, and sends the uplink wake-up signal to the network device using the third resource.
  • the network device receives the uplink wake-up signal sent by the terminal device using the third resource, and determines the terminal device's service requirements and/or location based on the selected third resource.
  • the terminal device When the third resource identified by the terminal device for sending the uplink wake-up signal is a PRACH resource specifically designated for transmitting the uplink wake-up signal, the terminal device does not need to first wake up the network device through the main radio module. Instead, it sends the uplink wake-up signal to the network device via a low-power radio module. Correspondingly, the network device can also directly receive the uplink wake-up signal through the low-power radio module, thus achieving energy saving while ensuring service performance. When the third resource identified by the terminal device for sending the uplink wake-up signal is the resource corresponding to a chirp signal, the terminal device can send a UL WUS to the network device through the low-power radio module.
  • the network device can also receive the uplink wake-up signal through the low-power radio module, reducing power consumption and achieving energy saving.
  • the waveform of the chirp signal is simple; the method by which the terminal device uses the chirp signal waveform to send the uplink wake-up signal to the network device reduces the complexity of network device detection.
  • the network device and the terminal device may include hardware structures and/or software modules, implementing the above functions in the form of hardware structures, software modules, or a combination of hardware structures and software modules. Whether a particular function is executed in the form of hardware structures, software modules, or a combination of hardware structures and software modules depends on the specific application and design constraints of the technical solution.
  • this application embodiment provides a communication device 1000.
  • the communication device 1000 can be a component of a network device (e.g., an integrated circuit, a chip, etc.), or a component of a terminal device (e.g., an integrated circuit, a chip, etc.).
  • the communication device 1000 can also be other communication units used to implement the methods in the method embodiments of this application.
  • the communication device 1000 may include a communication unit 1001 and a processing unit 1002. In one possible implementation, it may further include a storage unit 1003.
  • one or more units as shown in Figure 10 may be implemented by one or more processors, or by one or more processors and memory; or by one or more processors and transceivers; or by one or more processors, memory, and transceivers.
  • processors, memory, and transceivers can be configured individually or integrated.
  • the communication device 1000 is equipped with the functions of the network device or terminal device described in the embodiments of this application.
  • the communication device 1000 includes a reader/writer that executes the modules, units, or means corresponding to the steps of the terminal device in the above method embodiments.
  • the functions, units, or means can be implemented by software, hardware, or hardware executing corresponding software, or a combination of software and hardware. Further details can be found in the corresponding descriptions in the foregoing method embodiments.
  • the communication device 1000 may include: a processing unit 1002 and a communication unit 1001, the device being applied to a terminal device; the processing unit 1002 is configured to determine a third resource from a first resource and a second resource based on the service requirements of the terminal device and/or the location of the terminal device; the communication unit 1001 is configured to send an uplink wake-up signal to a network device using the third resource;
  • the first resource is a physical random access channel (PRACH) resource dedicated to transmitting the uplink wake-up signal
  • the second resource is the resource corresponding to the chirp signal.
  • PRACH physical random access channel
  • the first resource is different from the PRACH resources used by the terminal device for PRACH.
  • the first resource includes a first set and a second set; if the service quality of the terminal device is greater than a first threshold, the third resource is a resource in the first set; if the service quality is less than or equal to the first threshold, and the measurement report value of the terminal device is less than a second threshold, the third resource is a resource in the second set; if the service quality is less than or equal to the first threshold, and the measurement report value is greater than or equal to the second threshold, the third resource is the second resource; wherein, the service quality is used to reflect the service requirements of the terminal device, the measurement report value is used to reflect the location of the terminal device, and the measurement report value is obtained by the terminal device measuring a synchronization signal block or a synchronization signal.
  • the first resource includes a first set and a third set; if the service quality of the terminal device is less than or equal to a first threshold, the third resource is the second resource; if the service quality is greater than the first threshold and less than the third threshold, the third resource is a resource in the first set; if the service quality is greater than or equal to the third threshold, the third resource is a resource in the third set; wherein, the service quality is used to reflect the service requirements of the terminal device.
  • the first resource includes a second set and a fourth set; if the measurement report value of the terminal device is less than a second threshold, the third resource is a resource in the second set; if the measurement report value is greater than or equal to the second threshold and less than the fourth threshold, the third resource is a resource in the fourth set; if the measurement report value is greater than or equal to the fourth threshold, the third resource is the second resource; wherein, the measurement report value is used to reflect the position of the terminal device, and the measurement report value is obtained by the terminal device measuring the synchronization signal block or synchronization signal.
  • the uplink wake-up signal carries a preamble index, and the preamble index is related to the amount of data to be transmitted by the terminal device.
  • one of the following aspects of the chirp signal is related to the amount of data to be transmitted by the terminal device: the slope of the chirp signal, the frequency domain start position of the chirp signal, or the time domain start position of the chirp signal.
  • the communication device 1000 may include a processing unit 1002 and a communication unit 1001, the device being applied to a terminal device; the communication unit 1001 is configured to receive an uplink wake-up signal from the terminal device on a third resource; the processing unit 1002 is configured to determine the service requirements of the terminal device and/or the location of the terminal device based on the third resource; wherein the third resource is a resource in a first resource or a second resource, the first resource being a resource in the Physical Random Access Channel (PRACH) dedicated to transmitting the uplink wake-up signal, and the second resource being a resource corresponding to a chirp signal.
  • PRACH Physical Random Access Channel
  • the first resource is different from the PRACH resources used by the terminal device for PRACH.
  • the first resource includes a first set and a second set; if the third resource is a resource in the first set, the service quality of the terminal device is greater than a first threshold; if the third resource is a resource in the second set, the service quality is less than or equal to the first threshold, and the measurement report value of the terminal device is less than a second threshold; if the third resource is the second resource, the service quality is less than or equal to the first threshold, and the measurement report value is greater than or equal to the second threshold; wherein, the service quality is used to reflect the service requirements of the terminal device, the measurement report value is used to reflect the location of the terminal device, and the measurement report value is obtained by the terminal device measuring a synchronization signal block or a synchronization signal.
  • the first resource includes a first set and a third set; if the third resource is the second resource, the service quality of the terminal device is less than or equal to a first threshold; if the third resource is a resource in the first set, the service quality is greater than the first threshold and less than the third threshold; if the third resource is a resource in the third set, the service quality is greater than or equal to the third threshold; wherein, the service quality is used to reflect the service requirements of the terminal device.
  • the first resource includes a second set and a fourth set; if the third resource is a resource in the second set, the measurement report value of the terminal device is less than a second threshold; if the third resource is a resource in the fourth set, the measurement report value is greater than or equal to the second threshold and less than the fourth threshold; if the third resource is the second resource, the measurement report value is greater than or equal to the fourth threshold; wherein, the measurement report value is used to reflect the position of the terminal device, and the measurement report value is obtained by the terminal device measuring the synchronization signal block or synchronization signal.
  • the third resource is a resource in the first resource
  • the uplink wake-up signal carries a preamble index
  • the processing unit 1002 is further configured to: determine the amount of data to be transmitted by the terminal device based on the preamble index; and schedule uplink transmission resources for the terminal device based on the amount of data to be transmitted.
  • the third resource is the second resource
  • the processing unit 1002 is further configured to: determine the amount of data to be transmitted by the terminal device based on one of the following of the chirp signal: the slope of the chirp signal, the frequency domain start position of the chirp signal, or the time domain start position of the chirp signal; and schedule uplink transmission resources for the terminal device based on the amount of data to be transmitted.
  • the communication device 1100 can be a network device, or a chip, chip system, or processor that supports the network device in implementing the above methods; alternatively, it can be a terminal device, or a chip, chip system, or processor that supports the terminal device in implementing the above methods.
  • This device can be used to implement the methods described in the above method embodiments, and specific details can be found in the descriptions of the above method embodiments.
  • the communication device 1100 may include one or more processors 1101.
  • the processor 1101 may be a general-purpose processor or a special-purpose processor. For example, it may be a baseband processor, digital signal processor, application-specific integrated circuit (ASIC), field-programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, or central processing unit (CPU).
  • the baseband processor can be used to process communication protocols and communication data, while the CPU can be used to control the communication device (e.g., base station, baseband chip, terminal, terminal chip, DU or CU, etc.), execute software programs, and process data from the software programs.
  • the communication device 1100 may include one or more memories 1102, which may store instructions 1104. These instructions can be executed on the processor 1101, causing the communication device 1100 to perform the method described in the above method embodiments. The instructions may be replaced by programs.
  • the memory 1102 may also store data.
  • the processor 1101 and the memory 1102 may be configured separately or integrated together. The processor 1101 is used to parse signaling information and process related data; the memory 1102 contains stored signaling information and pre-agreed preset values, etc.
  • the communication device 1100 may further include a transceiver 1105 and an antenna 1106.
  • the transceiver 1105 which may be referred to as a transceiver unit, transceiver, or transceiver circuit, is used to implement transceiver functions.
  • the transceiver 1105 may include a receiver and a transmitter.
  • the receiver which may be referred to as a receiver or receiving circuit, is used to implement a receiving function;
  • the transmitter which may be referred to as a transmitter or transmitting circuit, is used to implement a transmitting function.
  • the communication device 1100 can be applied to a terminal device.
  • the processor 1101 is used to execute S701 in the above-described wake-up signal transmission method; and the transceiver 1105 is used to execute S702 in the above-described wake-up signal transmission method.
  • the communication device 1100 can be applied to a network device.
  • the processor 1101 is used to execute S703 in the above-described wake-up signal transmission method
  • the transceiver 1105 is used to execute S702 in the above-described wake-up signal transmission method.
  • processor 1101 may store instructions 1103, which, when executed on processor 1101, cause the communication device 1100 to perform the method described in the above method embodiments. Instructions 1103 may be embedded in processor 1101; in this case, processor 1101 may be implemented in hardware.
  • This application also provides a communication system including a terminal device and a network device.
  • the system may further include other devices/functional network elements that interact with the terminal device and/or the network device.
  • This application also provides a chip including a processor that calls a computer program stored in a memory to enable a communication device including the chip to perform the functions of any of the above method embodiments.
  • This application also provides a computer-readable storage medium for storing computer software instructions, which, when executed by a communication device, implement the functions of any of the above method embodiments.
  • This application also provides a computer program product for storing computer software instructions, which, when executed by a communication device, implement the functions of any of the above method embodiments.
  • This application also provides a computer program that, when run on a computer, implements the functions of any of the above method embodiments.
  • At least one (item) refers to one or more
  • “more than one” refers to two or more
  • “and/or” is used to describe the association relationship of related objects, indicating that there can be three relationships.
  • a and/or B can represent three cases: only A exists, only B exists, and A and B exist simultaneously, where A and B can be singular or plural.
  • the character “/” generally indicates that the related objects before and after are in an “or” relationship.
  • At least one (item) of the following” or similar expressions refer to any combination of these items, including any combination of single or plural items.
  • At least one (item) of a, b, or c can represent: a, b, c, "a and b", “a and c", “b and c", or "a and b and c", where a, b, and c can be single or multiple.
  • the terms "exemplary” or “for example” are used to indicate that something is an example, illustration, or description. Any embodiment or design that is described as “exemplary” or “for example” in the embodiments of this application should not be construed as being more preferred or advantageous than other embodiments or design. Specifically, the use of terms such as “exemplary” or “for example” is intended to present the relevant concepts in a specific manner to facilitate understanding.
  • implementation can be achieved, in whole or in part, through software, hardware, firmware, or any combination thereof.
  • software When implemented using software, it can be implemented, in whole or in part, as a computer program product.
  • the computer program product includes one or more computer instructions. When the computer instructions are loaded and executed on a computer, all or part of the processes or functions described in the embodiments of this application are generated.
  • the computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device.
  • the computer instructions can be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another.
  • the computer instructions can be transmitted from one website, computer, server, or data center to another via wired (e.g., coaxial cable, fiber optic, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) means.
  • the computer-readable storage medium can be any available medium accessible to a computer or a data storage device such as a server or data center that integrates one or more available media.
  • the available media may be magnetic media (e.g., floppy disks, hard disks, magnetic tapes), optical media (e.g., high-density digital video discs (DVDs)), or semiconductor media (e.g., solid-state disks (SSDs)).

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Abstract

一种唤醒信号传输方法及装置,该方法中,终端设备基于终端设备的业务需求和/或终端设备的位置,从第一资源和第二资源中确定第三资源。终端设备采用第三资源向网络设备发送上行唤醒信号。其中,第一资源为物理随机接入信道PRACH资源中专用于传输上行唤醒信号的资源,第二资源为啁啾信号对应的资源。该方法使得终端设备可以从第一资源和第二资源中,选择合适的资源发送上行唤醒信号,可在保障业务性能的前提下实现节能。

Description

一种唤醒信号传输方法及装置
本申请要求于2024年7月3日提交中国国家知识产权局、申请号为202410892724.5、申请名称为“一种唤醒信号传输方法及装置”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本申请涉及通信技术领域,尤其涉及一种唤醒信号传输方法及装置。
背景技术
随着第五代(5th generation,5G)终端能力要求的提高,终端的硬件会随之增多,从而导致功耗增大。为降低终端的功耗,提出了低功耗唤醒信号的研究。终端可以通过低功耗无线电模块发送或接收低功耗的唤醒信号。从而,终端传输低功耗的唤醒信号过程中,可关闭主无线电模块,实现节能。
终端如何发送低功耗的上行唤醒信号,仍需研究。
发明内容
本申请实施例提供了一种唤醒信号传输方法及装置,终端设备可以选择合适的资源发送上行唤醒信号,可在保障业务性能的前提下实现节能。
第一方面,本申请实施例提供一种唤醒信号传输方法,该方法可以由终端设备执行,这里的终端设备既可以指终端设备本身,也可以指相当于终端设备以实现该方法的处理器、模块、芯片、或芯片系统等。该方法中,终端设备基于终端设备的业务需求和/或终端设备的位置,从第一资源和第二资源中确定第三资源。终端设备采用第三资源向网络设备发送上行唤醒信号。其中,第一资源为物理随机接入信道PRACH资源中专用于传输上行唤醒信号的资源,第二资源为啁啾信号对应的资源。
可见,本申请实施例中,终端设备基于终端设备的业务需求和/或终端设备的位置,从PRACH资源中专用于传输上行唤醒信号的资源和啁啾信号对应的资源中,选择合适的资源发送上行唤醒信号,可在保障业务性能的前提下实现节能。例如,终端设备在业务需求较高,和/或,终端设备的位置距离网络设备较远时,选择采用PRACH资源中专用于传输上行唤醒信号的资源发送上行唤醒信号,终端设备采用PRACH资源中专用于传输上行唤醒信号的资源发送上行唤醒信号时,无需先唤醒网络设备的主无线电模块,可以直接通过低功耗无线电模块发送上行唤醒信号,从而可在保障业务性能的前提下实现节能。再例如,终端设备在业务需求较低,和/或,终端设备的位置距离网络设备较近时,选择采用啁啾信号对应的资源发送上行唤醒信号,可在保障业务性能的前提下实现节能。
一种可选的实施方式中,第一资源与PRACH资源中用于终端设备进行PRACH的资源不相同。也就是说,PRACH资源包括专用于传输上行唤醒信号的第一资源和用于终端设备进行PRACH的资源,且两者不相同。该方式使得终端设备采用第一资源发送上行唤醒信号时,无需先唤醒网络设备的主无线电模块,可以直接通过低功耗的无线电模块发送上行唤醒信号,从而能够降低网络设备的功耗,实现节能。
一种可选的实施方式中,第一资源包括第一集合和第二集合。其中,第一集合中资源的可靠性较高,第二集合中资源的覆盖范围较大。该方式下,如果终端设备的业务服务质量大于第一门限,第三资源为第一集合中的资源;如果业务服务质量小于或等于第一门限,且终端设备的测量上报值小于第二门限,第三资源为第二集合中的资源;如果业务服务质量小于或等于第一门限,且测量上报值大于或等于第二门限,第三资源为第二资源。其中,业务服务质量用于反映终端设备的业务需求,测量上报值用于反映终端设备的位置,测量上报值是终端设备对同步信号块或同步信号进行测量获得的。
第一资源包括第一集合和第二集合时,如果终端设备的业务服务质量大于第一门限,表明终端设备的业务优先级较高,为保障业务性能,终端设备确定发送上行唤醒信号的资源为第一集合中的资源;如果业务服务质量小于或等于第一门限,且终端设备的测量上报值小于第二门限,表明终端设备的业务优先级不高,但终端设备距离网络设备较远,为保障覆盖范围,终端设备确定发送上行唤醒信号的资源为第二集合中的资源;如果业务服务质量小于或等于第一门限,且测量上报值大于或等于第二门限,表明终端设备的业务优先级不高,且终端设备距离网络设备不远,为减少网络设备检测的复杂度,终端设备确定发送上行唤醒信号的资源为啁啾信号对应的资源(第二资源)。
另一种可选的实施方式中,第一资源包括第一集合和第三集合。其中,第一集合中资源的可靠性低于第三集合中资源的可靠性。该方式下,如果终端设备的业务服务质量小于或等于第一门限,第三资源为第二资源;如果业务服务质量大于第一门限且小于第三门限,第三资源为第一集合中的资源;如果业务服务质量大于或等于第三门限,第三资源为第三集合中的资源。其中,业务服务质量用于反映终端设备的业务需求。
如果终端设备的业务服务质量小于或等于第一门限,表明终端设备的业务优先级较低,则为降低网络设备检测的复杂度,终端设备确定发送上行唤醒信号的资源为第二资源。如果终端设备的业务服务质量大于第一门限且小于第三门限,表明终端设备的业务优先级比较高,则终端设备确定发送上行唤醒信号的资源为可靠性比较高的第一集合中的资源,以保障业务性能。如果终端设备的业务服务质量大于或等于第三门限,表明终端设备的业务优先级较高,则终端设备确定发送上行唤醒信号的资源为可靠性较高的第二集合中的资源,以满足高需求的业务服务质量,保障业务性能。
又一种可选的实施方式中,第一资源包括第二集合和第四集合。其中,第二集合中资源的覆盖范围大于第四集合中资源的覆盖范围。该方式下,如果终端设备的测量上报值小于第二门限,第三资源为所述第二集合中的资源;如果测量上报值大于或等于第二门限,且小于第四门限,第三资源为第四集合中的资源;如果测量上报值大于或等于第四门限,第三资源为第二资源。其中,测量上报值用于反映终端设备的位置,测量上报值是终端设备对同步信号块或同步信号进行测量获得的。
如果终端设备的测量上报值小于第二门限,表明终端设备距离网络设备的位置较远,则为保障高需求的覆盖范围,终端设备确定发送上行唤醒信号的资源为覆盖范围较大的第二集合中的资源。如果终端设备的测量上报值大于第二门限,且小于第四门限,表明终端设备距离网络设备的位置比较远,为保障覆盖范围,终端设备确定发送上行唤醒信号的资源为覆盖范围比较大的第四集合中的资源。如果终端设备的测量上报值大于或等于第四门限,表明终端设备距离网络设备的位置较近,则为减少网络设备检测的复杂度,终端设备确定发送上行唤醒信号的资源为第二资源。
一种可选的实施方式中,第三资源为第一资源中的资源时,上行唤醒信号携带前导码索引,前导码索引与终端设备待传输的数据量相关。该方式有利于网络设备基于上行唤醒信号携带的前导码索引,确定终端设备待传输的数据量,进而有利于网络设备基于终端设备待传输的数据量为终端设备调度上行传输资源。
另一种可选的实施方式中,第三资源为第二资源时,啁啾信号的以下一项与终端设备待传输的数据量相关:啁啾信号的斜率、啁啾信号的频域起始位置、或啁啾信号的时域起始位置。该方式有利于终端设备基于啁啾信号的斜率、或啁啾信号的频域起始位置、或啁啾信号的时域起始位置,确定终端设备待传输的数据量,进而有利于网络设备基于终端设备待传输的数据量为终端设备调度上行传输资源。
可见,终端设备可以通过上行信号携带待传输的数据量,该方式与终端设备唤醒网络设备之后再通过调度请求上报待传输的数据量相比,可减少通信时延。
第二方面,本申请实施例还提供一种唤醒信号传输方法,该方法可以由网络设备执行,这里的网络设备既可以指网络设备本身,也可以指相当于网络设备以实现该方法的处理器、模块、芯片、或芯片系统等。该方法中,网络设备在第三资源上接收来自终端设备的上行唤醒信号;网络设备基于第三资源,确定终端设备的业务需求和/或终端设备的位置。其中,第三资源为第一资源中的资源,或者为第二资源,第一资源为物理随机接入信道PRACH资源中专用于传输上行唤醒信号的资源,第二资源为啁啾信号对应的资源。
可见,本申请实施例中,网络设备可以基于接收上行唤醒信号所采用的第三资源,确定终端设备的业务需求和/或终端设备的位置。另外,第三资源为PRACH资源中专用于传输上行唤醒信号的资源时,网络设备可以不用先唤醒主无线电模块,直接通过低功耗无线电模块接收上行唤醒信号,可降低功耗,实现节能。第三资源为啁啾信号对应的资源时,啁啾信号的波形简单,从而网络设备检测的复杂度低,可实现节能。
一种可选的实施方式中,第一资源与PRACH资源中用于终端设备进行PRACH的资源不相同。也就是说,PRACH资源包括专用于传输上行唤醒信号的第一资源和用于终端设备进行PRACH的资源,且两者不相同。该方式使得网络设备采用第一资源接收上行唤醒信号时,可直接通过低功耗的无线电模块接收,能够降低网络设备的功耗。
一种可选的实施方式中,第一资源包括第一集合和第二集合。其中,第一集合中资源的可靠性较高,第二集合中资源的覆盖范围较大。该方式下,如果第三资源为第一集合中的资源,终端设备的业务服务质量大于第一门限;如果第三资源为第二集合中的资源,业务服务质量小于或等于第一门限,且终端设备的测量上报值小于第二门限;如果第三资源为第二资源,业务服务质量小于或等于第一门限,且测量上报值大于或等于第二门限。其中,业务服务质量用于反映终端设备的业务需求,测量上报值用于反映终端设备的位置,测量上报值是终端设备对同步信号块或同步信号进行测量获得的。
可见,第一资源包括第一集合和第二集合时,如果网络设备接收上行唤醒信号所采用的资源为第一集合中的资源,则确定终端设备的业务服务质量大于第一门限;如果网络设备接收上行唤醒信号所采用的资源为第二集合中的资源,则确定终端设备的业务服务质量小于或等于第一门限,且终端设备的测量上报值小于第二门限;如果网络设备接收上行唤醒信号所采用的资源为啁啾信号对应的资源,则确定终端设备的业务服务质量小于或等于第一门限,且终端设备的测量上报值大于或等于第二门限。
另一种可选的实施方式中,第一资源包括第一集合和第三集合。其中,第一集合中资源的可靠性低于第三集合中资源的可靠性。该方式下,如果第三资源为第二资源,终端设备的业务服务质量小于或等于第一门限;如果第三资源为第一集合中的资源,业务服务质量大于第一门限且小于第三门限;如果第三资源为第三集合中的资源,业务服务质量大于或等于第三门限。其中,业务服务质量用于反映终端设备的业务需求。
可见,第一资源包括第一集合和第三集合时,如果网络设备接收上行唤醒信号所采用的资源为啁啾信号对应的资源,则确定终端设备的业务服务质量小于或等于第一门限;如果网络设备接收上行唤醒信号所采用的资源为第一集合中的资源,则确定终端设备的业务服务质量大于第一门限且小于第三门限;如果网络设备接收上行唤醒信号的资源为第三集合中的资源,则确定终端设备的业务服务质量大于或等于第三门限。
又一种可选的实施方式中,第一资源包括第二集合和第四集合。其中,第二集合中资源的覆盖范围大于第四集合中资源的覆盖范围。该方式下,如果第三资源为第二集合中的资源,终端设备的测量上报值小于第二门限;如果第三资源为第四集合中的资源,测量上报值大于或等于第二门限,且小于第四门限;如果第三资源为第二资源,测量上报值大于或等于第四门限。其中,测量上报值用于反映终端设备的位置,测量上报值是终端设备对同步信号块或同步信号进行测量获得的。
可见,第一资源包括第二集合和第四集合时,如果网络设备接收上行唤醒信号所采用的资源为第二集合中的资源,则确定终端设备的测量上报值小于第二门限;如果网络设备接收上行唤醒信号所采用的资源为第四集合中的资源,则确定终端设备的测量上报值大于或等于第二门限,且小于第四门限;如果网络设备接收上行唤醒信号所采用的资源为啁啾信号对应的资源,则确定终端设备的测量上报值大于或等于第四门限。
一种可选的实施方式中,第三资源为第一资源中的资源,且上行唤醒信号携带前导码索引时,网络设备还执行以下步骤:基于前导码索引,确定终端设备待传输的数据量;基于待传输的数据量,为终端设备调度上行传输资源。
另一种可选的实施方式中,第三资源为第二资源时,网络设备还执行以下步骤:基于啁啾信号的以下一项,确定终端设备待传输的数据量:啁啾信号的斜率、啁啾信号的频域起始位置、或啁啾信号的时域起始位置;基于待传输的数据量,为终端设备调度上行传输资源。
可见,网络设备可以基于接收的上行唤醒信号,确定终端设备待传输的数据量,进而可根据确定的待传输的数据量,为终端设备调度上行传输资源。该方式与网络设备被唤醒后,通过来自终端设备的调度请求获得终端设备待传输的数据量相比,可减少通信时延。
第三方面,本申请实施例还提供一种通信装置。该通信装置具有实现上述第一方面所述的终端设备的部分或全部功能,或者,实现上述第二方面所述的网络设备的部分或全部功能。比如,该通信装置的功能可具备本申请实施例中第一方面所述的终端设备的部分或全部实施例中的功能,也可以具备单独实施本申请实施例中的任一个实施例的功能。所述功能可以通过硬件实现,也可以通过硬件执行相应的软件实现。所述硬件或软件包括一个或多个与上述功能相对应的单元或模块。
在一种可能的设计中,该通信装置的结构中可包括处理单元和通信单元,所述处理单元被配置为支持通信装置执行上述方法中相应的功能。所述通信单元用于支持该通信装置与其他通信装置之间的通信。所述通信装置还可以包括存储单元,所述存储单元用于与处理单元和通信单元耦合,其保存通信装置必要的程序指令和数据。
一种实施方式中,所述通信装置包括:处理单元和通信单元,所述装置应用于终端设备;
所述处理单元,用于基于终端设备的业务需求和/或所述终端设备的位置,从第一资源和第二资源中确定第三资源;
所述通信单元,用于采用所述第三资源向网络设备发送上行唤醒信号;
其中,所述第一资源为物理随机接入信道PRACH资源中专用于传输所述上行唤醒信号的资源,所述第二资源为啁啾信号对应的资源。
另外,该方面中,通信装置其他可选的实施方式可参见上述第一方面的相关内容,此处不再详述。
另一种实施方式中,所述通信装置包括:处理单元和通信单元,所述装置应用于网络设备;
所述通信单元,用于在第三资源上接收来自终端设备的上行唤醒信号;
所述处理单元,用于基于所述第三资源,确定所述终端设备的业务需求和/或所述终端设备的位置;
其中,所述第三资源为第一资源中的资源,或者为第二资源,所述第一资源为物理随机接入信道PRACH资源中专用于传输所述上行唤醒信号的资源,所述第二资源为啁啾信号对应的资源。
另外,该方面中,通信装置其他可选的实施方式可参见上述第二方面的相关内容,此处不再详述。
作为示例,通信单元可以为收发器或通信接口,存储单元可以为存储器,处理单元可以为处理器。
一种实施方式中,所述通信装置包括:处理器和收发器,所述装置应用于终端设备;
所述处理器,用于基于终端设备的业务需求和/或所述终端设备的位置,从第一资源和第二资源中确定第三资源;
所述收发器器,用于采用所述第三资源向网络设备发送上行唤醒信号;
其中,所述第一资源为物理随机接入信道PRACH资源中专用于传输所述上行唤醒信号的资源,所述第二资源为啁啾信号对应的资源。
另外,该方面中,通信装置其他可选的实施方式可参见上述第一方面的相关内容,此处不再详述。
另一种实施方式中,所述通信装置包括:处理器和收发器,所述装置应用于网络设备;
所述收发器,用于在第三资源上接收来自终端设备的上行唤醒信号;
所述处理器,用于基于所述第三资源,确定所述终端设备的业务需求和/或所述终端设备的位置;
其中,所述第三资源为第一资源中的资源,或者为第二资源,所述第一资源为物理随机接入信道PRACH资源中专用于传输所述上行唤醒信号的资源,所述第二资源为啁啾信号对应的资源。
另外,该方面中,通信装置其他可选的实施方式可参见上述第二方面的相关内容,此处不再详述。
另一种实施方式中,该通信装置为芯片或芯片系统。所述处理单元也可以体现为处理电路或逻辑电路;所述通信单元可以是该芯片或芯片系统上的输入/输出接口、接口电路、输出电路、输入电路、管脚或相关电路等。
在实现过程中,处理器可用于进行,例如但不限于,基带相关处理,收发器可用于进行,例如但不限于,射频收发。上述器件可以分别设置在彼此独立的芯片上,也可以至少部分的或者全部的设置在同一块芯片上。例如,处理器可以进一步划分为模拟基带处理器和数字基带处理器。其中,模拟基带处理器可以与收发器集成在同一块芯片上,数字基带处理器可以设置在独立的芯片上。随着集成电路技术的不断发展,可以在同一块芯片上集成的器件越来越多。例如,数字基带处理器可以与多种应用处理器(例如但不限于图形处理器,多媒体处理器等)集成在同一块芯片之上。这样的芯片可以称为片上系统(system on a chip,SoC)。将各个器件独立设置在不同的芯片上,还是整合设置在一个或者多个芯片上,往往取决于产品设计的需要。本申请实施例对上述器件的实现形式不做限定。
第四方面,本申请实施例还提供一种处理器,用于执行上述各种方法。在执行这些方法的过程中,上述方法中有关发送上述信息和接收上述信息的过程,可以理解为由处理器输出上述信息的过程,以及处理器接收输入的上述信息的过程。在输出上述信息时,处理器将该上述信息输出给收发器,以便由收发器进行发射。该上述信息在由处理器输出之后,还可能需要进行其他的处理,然后才到达收发器。类似的,处理器接收输入的上述信息时,收发器接收该上述信息,并将其输入处理器。更进一步的,在收发器收到该上述信息之后,该上述信息可能需要进行其他的处理,然后才输入处理器。
对于处理器所涉及的发送和接收等操作,如果没有特殊说明,或者,如果未与其在相关描述中的实际作用或者内在逻辑相抵触,则均可以更加一般性的理解为处理器输出和接收、输入等操作,而不是直接由射频电路和天线所进行的发送和接收操作。
在实现过程中,上述处理器可以是专门用于执行这些方法的处理器,也可以是执行存储器中的计算机指令来执行这些方法的处理器,例如通用处理器。上述存储器可以为非瞬时性(non-transitory)存储器,例如只读存储器(read only memory,ROM),其可以与处理器集成在同一块芯片上,也可以分别设置在不同的芯片上,本申请实施例对存储器的类型以及存储器与处理器的设置方式不做限定。
第五方面,本申请实施例还提供了一种通信系统,该系统包括终端设备和网络设备。在另一种可能的设计中,该系统还可以包括与终端设备和/或网络设备进行交互的其他设备/功能网元。
第六方面,本申请实施例提供了一种计算机可读存储介质,用于储存指令,当所述指令被计算机运行时,实现上述第一方面或第二方面所述的方法。
第七方面,本申请实施例还提供了一种包括指令的计算机程序产品,当其在计算机上运行时,实现上述第一方面或第二方面所述的方法。
第八方面,本申请实施例提供了一种芯片系统,该芯片系统包括处理器和接口,所述接口用于获取程序或指令,所述处理器用于调用所述程序或指令以实现或者支持终端设备实现第一方面所涉及的功能,或者实现或者支持网络设备实现第二方面所涉及的功能。例如,确定或处理上述方法中所涉及的数据和信息中的至少一种。在一种可能的设计中,所述芯片系统还包括存储器,所述存储器,用于保存终端必要的程序指令和数据。该芯片系统,可以由芯片构成,也可以包括芯片和其他分立器件。
第九方面,本申请实施例提供一种通信装置,包括处理器,用于执行存储器中存储的计算机程序或可执行指令,当计算机程序或可执行指令被执行时,使得该装置执行如第一方面或第二方面各个可能的实现中的方法。
在一种可能的实现中,处理器和存储器集成在一起;
在另一种可能的实现中,上述存储器位于该通信装置之外。
第三方面到第九方面的有益效果可以参考第一方面或第二方面的有益效果,此处不再赘述。
附图说明
图1是一种通信系统的架构示意图;
图2是一种独立组网的系统架构示意图;
图3是一种双连接的系统架构示意图;
图4是一种网络设备与终端设备的结构示意图;
图5是一种啁啾信号的时域响应和频域响应示意图;
图6是一种4G终端到5G终端的能力演进示意图;
图7是本申请实施例提供的一种唤醒信号传输方法的交互示意图;
图8是本申请实施例提供的一种PRACH资源示意图;
图9是本申请实施例提供的一种时域资源示意图;
图10是本申请实施例提供的一种通信装置的结构示意图;
图11是本申请实施例提供的另一种通信装置的结构示意图。
具体实施方式
下面结合本申请实施例中的附图对本申请实施例中的技术方案进行清楚、完整的描述。
本申请实施例可应用于长期演进(long term evolution,LTE)系统、第五代(5th generation,5G)移动通信系统、第六代(6th generation,6G)移动通信系统等5G之后演进的系统、卫星通信及短距等无线通信系统中,系统架构如图1所示。无线通信系统可以包括一个或多个网络设备,以及一个或多个终端设备。无线通信系统也可以进行点对点通信,如多个终端设备之间互相通信。
本申请实施例中,网络设备是具有无线收发功能的设备,用于与终端设备进行通信,可以是LTE中的演进型基站(evolved Node B,eNB或eNodeB),或者是5G/6G网络中的基站,或者是未来演进的公共陆地移动网络(public land mobile network,PLMN)中的基站、宽带网络业务网关(broadband network gateway,BNG)、汇聚交换机或者非第三代合作伙伴项目(3rd generation partnership project,3GPP)接入设备等。可选的,本申请实施例中的网络设备可以包括各种形式的基站,例如:宏基站、微基站(也称为小站)、中继站、接入点、未来实现基站功能的设备、无线保真(wireless fidelity,WiFi)系统中的接入点(access point,AP)、传输接收点(transmitting and receiving point,TRP)、发射点(transmitting point,TP)、移动交换中心以及设备到设备(device-to-device,D2D)、车辆外联(vehicle-to-everything,V2X)、机器到机器(machine-to-machine,M2M)通信中承担基站功能的设备、5G之后演进的通信系统中实现基站功能的设备、接入回传一体化(integrated access and backhaul,IAB),还可以包括云接入网(cloud radio access network,C-RAN)系统中的集中式单元(centralized unit,CU)和分布式单元(distributed unit,DU)、非地面网络(non-terrestrial network,NTN)通信系统中的网络设备,即可以部署于高空平台或者卫星,还可以是构成接入节点的各类设备,如有源天线处理单元(active antenna unit,AAU)、基带单元(baseband unit,BBU)等,本申请实施例对此不作具体限定。
网络设备可以和核心网设备进行通信交互,向终端设备提供通信服务。核心网设备例如为5G网络核心网(core network,CN)中的设备。核心网作为承载网络提供到数据网络的接口,为终端提供通信连接、认证、管理、策略控制以及对数据业务完成承载等。
本申请实施例中,终端设备可以包括各种具有无线通信功能的手持设备、车载设备、可穿戴设备、计算设备或连接到无线调制解调器的其它处理设备。终端设备也可称为终端。终端设备也可以指用户设备(user equipment,UE)、接入终端、用户单元(subscriber unit)、用户代理、蜂窝电话(cellular phone)、智能手机(smart phone)、无线数据卡、个人数字助理(personal digital assistant,PDA)电脑、平板型电脑、无线调制解调器(modem)、手持设备(handset)、膝上型电脑(laptop computer)、智能销售点(point of sale,POS)机、客户终端设备(customer-premises equipment,CPE)、机器类型通信(machine type communication,MTC)终端、高空飞机上搭载的通信设备、可穿戴设备、无人机、机器人、D2D中的终端、V2X中的终端、虚拟现实(virtual reality,VR)终端设备、增强现实(augmented reality,AR)终端设备、工业控制(industrial control)中的无线终端、无人驾驶(self driving)中的无线终端、远程医疗(remote medical)中的无线终端、智能电网(smart grid)中的无线终端、运输安全(transportation safety)中的无线终端、智慧城市(smart city)中的无线终端、智慧家庭(smart home)中的无线终端或者未来通信网络中的终端设备等,本申请不作限制。
本申请实施例使用的场景包括但不限于地面蜂窝通信,NTN通信,卫星通信,高空通信平台(high altitude platform station,HAPS)通信,V2X通信、IAB,可重构智能表面(reconfigurable intelligent surface,RIS)通信等场景。
本申请实施例还可应用于独立组网(standalone,SA)通信场景。SA通信场景是指:终端设备与单个基站连接,且终端设备所连接的基站以及基站所连接的核心网为相同制式。例如,图2为一种独立组网的系统架构示意图。如图2所示,核心网为6Gcore,终端设备连接的基站为6G基站,6G基站直接与6Gcore连接。再例如,核心网为5Gcore,终端设备连接的基站为5G基站,5G基站直接与5Gcore连接。
本申请实施例还可应用于双连接(dual connectivity,DC)场景。双连接场景是指:终端设备同时与不同/相同制式的基站进行连接,适用于连接态的终端设备。例如,图3为一种双连接的系统架构示意图。如图3所示,核心网为5Gcore,终端设备同时与5G基站和6G基站连接,其中5G基站作为主站,6G基站作为辅站。又例如,核心网为6Gcore,终端设备同时与6G基站和5G基站连接,其中6G基站作为主站,5G基站作为辅站。又例如,核心网为5Gcore,终端设备同时与两个5G基站连接,即主站和辅站均为5G基站。又例如,核心网为6Gcore,终端设备同时与两个6G基站连接,即主站和辅站均为6G基站。
本申请公开的实施例将围绕包括多个设备、组件、模块等的系统来呈现本申请的各个方面、实施例或特征。应当理解和明白的是,各个系统可以包括另外的设备、组件、模块等,并且/或者可以并不包括结合附图讨论的所有设备、组件、模块等。此外,还可以使用这些方案的组合。
为了便于理解本申请实施例的方案,下面对本申请实施例可能涉及的术语进行解释。
1.唤醒信号(wake up signal,WUS)。
唤醒信号用于使设备从待机/睡眠状态恢复到工作状态。
为降低设备的功耗,提出了低功耗唤醒信号(low power-wake up signal,LP-WUS),进而提出了低功耗无线电(low-power radio,LR)模块,该LR模块也可称为低功耗唤醒无线电模块(low power-wake up radio,LP-WUR)。网络设备和终端设备可以通过主无线电(main radio,MR)模块或LR模块传输WUS。其中,LR模块独立于MR,且MR可以在LR处于活动状态并搜索潜在的WUS信号时处于关闭状态,从而实现节能。主模块(main radio,MR模块)也可以称作为主无线电、主接收机(main receiver)、通信主模块或主电路等。MR可以用于接收或发送信令、数据、测量信号等。低功耗模块(low-power radio,LP-R模块)也可以称作低功耗无线电、唤醒接收机(wake-up receiver,WUR)、低功耗唤醒接收机(low power WUR,LP-WUR)、唤醒电路、通信辅助模块或辅电路等。LR的工作功耗远低于MR。LR用于接收或发送低功耗信号(比如低功耗唤醒信号、低功耗同步信号、低功耗测量信号等)、通知MR的唤醒或休眠等。
请参见图4,图4为一种网络设备与终端设备的结构示意图。如图4所示,网络设备包括MR模块和LR模块。终端设备可以通过MR模块向网络设备发送WUS,相应的,网络设备通过MR模块接收来自终端设备的WUS。网络设备可以通过MR模块向终端设备发送WUS,相应的,终端设备通过MR模块接收来自网络设备的WUS。例如,网络设备通过MR模块,基于传统的Zadoff-Chu序列和物理数据控制信道(physical downlink control channel,PDCCH)中Format2-6格式的下行控制信息(downlink control information,DCI)向终端设备发送WUS,如果终端设备通过MR模块检测到WUS,则继续解码寻呼消息,否则终端设备返回睡眠状态并等待下一个接收WUS的时机。
类似的,网络设备可以通过LR模块向终端设备发送LP WUS,相应的,终端设备通过LR模块接收来自网络设备的LP WUS。例如,终端设备可以通过LR模块,接收LP-WUS信号和低功耗同步信号(low-power-synchronization signal,LP-SS)信号,以完成MR的唤醒和同步,从而终端可以通过同步信号和物理广播信道块(synchronization signal block,SSB)或者信道状态信息-参考信号(channel state information-reference signal,CSI-RS)完成信道质量的测量,进而终端设备通过MR进行数据的接收和发送。
终端设备也可以通过LR模块向网络设备发送低功耗的WUS,网络设备通过LR模块接收来自终端设备的低功耗的WUS。本申请实施例中,终端设备向网络设备发送的低功耗的WUS,可以称为上行唤醒信号(uplinkwake up signal,UL WUS),即UL WUS为一种低功耗的WUS。
2.啁啾信号。
啁啾(Chirp)信号是指对脉冲进行编码时,其载频在脉冲持续时间内线性的增加。或者,可理解为:啁啾信号是频率随着时间而改变(增加或减少)的信号。啁啾信号x(t)的表达式为:
其中,f0为啁啾信号的起始频率,u0为啁啾信号的频率线性变化值,用于表征啁啾信号的频率变化。
请参见图5,图5为一种啁啾信号的时域响应和频域响应示意图,其中,BW代表啁啾信号的带宽(bandwidth)。如图5所示,从时域上和频域上看,啁啾信号是频率随着时间增加的信号。
Chirp信号可以携带少量信息,从而可以将Chirp信号作为唤醒信号(wake-up signal,WUS),以使使设备从待机/睡眠状态恢复到工作状态。
请参见图6,图6为一种4G终端到5G终端的能力演进示意图。如图6所示,4G终端或4.5G终端支持最多1个发射天线2个接收天线,最大功率为23dBm,最大带宽为20MHz;5G终端支持最多2个发射天线2个接收天线,最大功率为29dBm,最大带宽为100MHz。可见,5G终端的能力明显大于4G终端或4.5G终端的能力。
随着5G终端要求的提高,终端的硬件会随之增多,进而终端的功耗必然增大。典型业务下(如综合网页浏览、即时通信、游戏、和视频等),5G终端通信耗电较4G终端通信耗电平均增幅达到200%以上。另外,终端持久续航能力也是用户体验的一个重要方面,会影响5G终端或业务的使用。为降低终端功耗,提出了LP WUS。其中,针对向网络设备发送的低功耗的UL WUS,终端设备可以使用进行物理随机接入(physical random access channel,PRACH)的PRACH资源发送UL WUS,然而该方式会使得网络设备的检测能耗高,且网络设备需要被周期性唤醒后使用MR检测PRACH。另外,终端设备还可使用Chirp波形发送UL WUS,但Chirp信号的可靠性低,覆盖差。
本申请实施例提出一种唤醒信号传输方法,图7是该唤醒信号传输方法的交互示意图。该唤醒信号传输方法从网络设备和终端设备的交互角度进行阐述。该唤醒信号传输方法包括但不限于以下步骤:
S701.终端设备基于终端设备的业务需求和/或终端设备的位置,从第一资源和第二资源中确定第三资源。其中,第一资源为物理随机接入信道PRACH资源中专用于传输上行唤醒信号的资源,第二资源为啁啾信号对应的资源。
其中,第三资源为用于传输UL WUS的资源。具体的,对于终端设备而言,第三资源为终端设备发送UL WUS的资源。
一种可选的实施方式中,PRACH资源包括专用于传输上行唤醒信号的资源和用于终端设备进行PRACH的资源,且专用于传输上行唤醒信号的资源与用于终端设备进行PRACH的资源不相同,即第一资源与PRACH资源中用于终端设备进行PRACH的资源不相同。
其中,PRACH资源中专用于传输UL WUS的第一资源可以是预定义的某些时刻的时域位置,比如为某个无线子帧的第n个时隙(slot),n为正整数,或者是预定义的某些频域位置,比如为每个PRACH机会(PRACH occasion)的一个或者多个资源机会(resource occasion,RO),也可以是上述两种方式的组合。
可见,PRACH资源可被划分为两类资源,一类专用于传输UL WUS,另一类用于终端设备进行PRACH。该方式可使得终端设备采用PRACH资源中的第一资源发送UL WUS,而不是采用用于进行PRACH的资源发送UL WUS,从而无需先唤醒网络设备,可降低功耗。
一种可能的方式中,PRACH资源中专用于传输上行唤醒信号的资源可以称为专用资源(dedicated resource),即第一资源可称为专用资源;PRACH资源中用于终端设备接收前导码(preamble),进行PRACH的资源可以称为常规资源(normal resource)。请参见图8,图8为一种PRACH资源示意图。如图8所示,PRACH资源包括专用资源和常规资源,专用资源包括集合1和集合2,且专用资源与常规资源位于不同的时频域位置。
另外,PRACH资源中的第一资源可以是网络设备预先通过配置信息,配置给终端设备的。可选的,PRACH资源中的第一资源可以是网络设备预先通过指示信息,指示给终端设备的。本申请实施例对终端设备获得第一资源的实施方式不做限定。
一种可能的方式中,PRACH资源中的第一资源包括多个集合(set),该集合也可称为资源集(resource set)。第一资源中的多个集合可以是根据终端设备的业务需求或业务优先级确定的,或者,是根据终端设备的位置或终端设备距离网络设备之间的距离确定的,或者,是根据预设规则确定的,预设规则比如可以是长周期PRACH对应一个集合,短周期PRACH对应一个集合。本申请实施例对第一资源集中多个集合的确定方式不做限定。
第一资源中的多个集合是根据终端设备的业务情况,或业务场景,或预设条件确定的,那么终端设备从第一资源中的多个集合和第二资源中,选择用于发送UL WUS所采用的资源时,也可以根据相应情况进行选择。
一种可选的实施方式中,第一资源包括第一集合和第二集合。其中,第一集合中资源的可靠性高,第二集合中资源的覆盖范围好。那么,第一集合中的资源可以保障业务性能,第二集合中的资源可以保障覆盖范围。
第一资源包括第一集合和第二集合时,终端设备基于终端设备的业务需求和/或终端设备的位置,从第一资源和第二资源中确定第三资源,包括:在终端设备的业务服务质量大于第一门限时,从第一资源和第二资源中,确定第三资源为第一集合中的资源;在业务服务质量小于或等于第一门限,且终端设备的测量上报值小于第二门限时,确从第一资源和第二资源中,确定第三资源为第二集合中的资源;在业务服务质量小于或等于第一门限,且测量上报值大于或等于第二门限时,确定第三资源为第二资源。
也就是说,如果终端设备的业务服务质量大于第一门限,第三资源为第一集合中的资源;如果业务服务质量小于或等于第一门限,且终端设备的测量上报值小于第二门限,第三资源为第二集合中的资源;如果业务服务质量小于或等于第一门限,且测量上报值大于或等于第二门限,第三资源为第二资源。
其中,终端设备的业务服务质量(quality of service,QoS)用于反映终端设备的业务需求,或者说,终端设备的业务需求可以采用终端设备的业务QoS表示。终端设备的测量上报值用于反映终端设备的位置,或者说,终端设备的位置可以采用终端设备的测量上报值表示。终端设备的测量上报值是终端设备对来自网络设备的SSB或同步信号(synchronization signal,SS)进行测量获得的,该同步信号可以是LP-SS。一种可能的方式中,终端设备的测量上报值可以是对SSB或SS进行测量获得的参考信号接收功率(reference signal receiving power,RSRP)。
另外,第一门限和第二门限可以是预定义的,也可以是网络设备预先给终端设备配置的。
如果终端设备的业务QoS大于第一门限,表明终端设备的业务优先级较高,UL WUS的时频域资源需要使用可靠性较高的资源,则终端设备确定第三资源为第一集合中的资源,从而有利于网络设备能够被快速唤醒,以保障终端设备的业务被及时调度,保障业务性能。如果终端设备的业务QoS小于或等于第一门限,且终端设备的测量上报值小于第二门限,表明终端设备的业务优先级不高,但终端设备距离网络设备较远,比如处于网络设备的边缘,则UL WUS的时频域资源需要使用覆盖范围较大的资源,因此终端设备确定第三资源为第二集合中的资源,以保障覆盖范围。如果业务服务质量小于或等于第一门限,且测量上报值大于或等于第二门限,表明终端设备的业务优先级不高,且终端设备距离网络设备不远,即终端设备的QoS要求不高且覆盖要求不高,那么终端设备确定第三资源为chirp信号对应的资源,以使得UL WUS采用chirp波形进行发送,可减少基站检测的复杂度。
一种可能的方式中,终端设备的业务优先级较高,可以是终端设备的业务优先级高于第一预设等级;终端设备的业务优先级较低,可以是终端设备的业务优先级低于第一预设等级;终端设备距离网络设备较远,可以是终端设备与网络设备之间的距离大于第一预设距离;终端设备距离网络设备较近,可以是终端设备与网络设备之间的距离小于第一预设距离。
另一种可选的实施方式中,第一资源包括第一集合和第三集合。其中,第一集合中资源的可靠性低于第三集合中资源的可靠性。
第一资源包括第一集合和第三集合时,终端设备基于终端设备的业务需求,从第一资源和第二资源中确定第三资源,包括:在终端设备的业务服务质量小于或等于第一门限时,确定第三资源为第二资源;在终端设备的业务服务质量大于第一门限且小于第三门限时,确定第三资源为第一集合中的资源;在终端设备的业务服务质量大于或等于第三门限时,确定第三资源为第二集合中的资源。其中,第一门限和第三门限可以是预定义的,也可以是网络设备给终端设备配置的。
也就是说,如果终端设备的业务服务质量小于或等于第一门限,第三资源为第二资源;如果业务服务质量大于第一门限且小于第三门限,第三资源为第一集合中的资源;如果业务服务质量大于或等于第三门限,第三资源为第三集合中的资源。
如果终端设备的业务服务质量小于或等于第一门限,表明终端设备的业务优先级较低,则终端设备确定发送UL WUS的资源为chirp信号对应的资源,即第三资源为第二资源,以降低网络设备检测的复杂度。如果终端设备的业务服务质量大于第一门限且小于第三门限,表明终端设备的业务优先级比较高,则终端设备确定发送UL WUS的资源为第一集合中的资源,以满足终端设备的业务需求,保障业务性能。如果终端设备的业务服务质量大于或等于第三门限,表明终端设备的业务优先级较高,则终端设备确定发送UL WUS的资源可靠性较高的第二集合中的资源,以满足高需求的业务服务质量,保障业务性能。
一种可能的方式中,终端设备的业务优先级较低,可以是终端设备的业务优先级低于第一预设等级;终端设备的业务优先级比较高,可以是终端设备的业务优先级高于第一预设等级;终端设备的业务优先级较高,可以是终端设备的业务优先级高于第二预设等级。其中,第二预设等级高于第一预设等级。
又一种可选的实施方式中,第一资源包括第二集合和第四集合。其中,第二集合中资源的覆盖范围大于第四集合中资源的覆盖范围。
第一资源包括第二集合和第四集合时,终端设备基于终端设备的业务需求,从第一资源和第二资源中确定第三资源,包括:在终端设备的测量上报值小于第二门限,确定第三资源为第二集合中的资源;在终端设备的测量上报值大于或等于第二门限,且小于第四门限时,确定第三资源为第四集合中的资源;在终端设备的测量上报值大于或等于第四门限时,确定第三资源为第二资源。
也就是说,如果终端设备的测量上报值小于第二门限,第三资源为第二集合中的资源;如果终端设备的测量上报值大于或等于第二门限,且小于第四门限,第三资源为第四集合中的资源;如果终端设备的测量上报值大于或等于第四门限,第三资源为第二资源。
如果终端设备的测量上报值小于第二门限,表明终端设备距离网络设备的位置较远,则终端设备确定发送UL WUS的资源为覆盖范围较大的第二集合中的资源,以保障较远的覆盖范围。如果终端设备的测量上报值大于第二门限,且小于第四门限,表明终端设备距离网络设备的位置比较远,则终端设备确定发送UL WUS的资源为覆盖范围比较大的第四集合中的资源,以保障比较大的覆盖范围。如果终端设备的测量上报值大于或等于第四门限,表明终端设备距离网络设备的位置较近,无需保障覆盖范围,则终端设备确定发送UL WUS的资源为chirp信号对应的资源,即为第二资源,以减少网络设备检测的复杂度。
一种可能的方式中,终端设备距离网络设备的位置较远,可以是终端设备与网络设备之间的距离大于第一预设距离;终端设备距离网络设备的位置比较远,可以是终端设备与网络设备之间的距离大于第二预设距离且小于第一预设距离;终端设备距离网络设备的位置较近,可以是终端设备与网络设备之间的距离小于第二预设距离。其中,第二预设距离小于第一预设距离。
可选的,第一资源还可包括其他集合,本申请实施例对此不做限定。第一资源还包括其他集合时,终端设备确定第三资源的实施方式,可参照上述实施方式,不再赘述。
又一种可能的实施方式中,如果第一资源包括的集合是根据预设规则确定的,则第一资源中的不同集合对应不同的业务需求和/终端设备的位置,终端设备也可以基于业务需求和/或位置,从多个集合和第二资源中选择用于发送UL WUS的资源。
终端设备基于终端设备的业务需求和/或所述终端设备的位置,从第一资源和第二资源中确定的用于发送UL WUS的资源为第一资源中的资源时,可保障高要求的业务性能和/或高需求的覆盖范围。另外,由于第一资源为PRACH资源中专用于传输UL WUS的资源,而不是用于进行PRACH的资源,则终端设备可以通过低功耗无线电模块发送UL WUS,可降低终端设备的功耗,从而可在保障业务性能的前提下实现节能。
终端设备基于终端设备的业务需求和/或所述终端设备的位置,从第一资源和第二资源中确定的用于发送UL WUS的资源为chirp信号对应的资源(第二资源)时,由于chirp信号的波形简单,从而有利于在业务服务质量较低和/或覆盖性能较好时,降低网络设备的检测复杂度,实现节能。
S702.终端设备采用第三资源向网络设备发送上行唤醒信号。相应的,网络设备采用第三资源接收来自终端设备的上行唤醒信号。
终端设备基于终端设备的业务需求和/或终端设备的位置,确定的第三资源为第一资源中的资源,比如为第一资源的第一集合中的资源时,采用第一集合中的资源向网络设备发送UL WUS。终端设备基于终端设备的业务需求和/或终端设备的位置,确定的第三资源为第二资源时,采用第二资源向网络设备发送UL WUS。
一种可能的方式中,第三资源为第一资源中的资源时,由于第一资源是PRACH资源中专用于传输UL WUS的资源,终端设备无需先唤醒网络设备的主无线电模块,则终端设备可以直接通过低功耗无线电模块,采用第一资源中的资源向网络设备发送UL WUS,以减少功耗。相应的,网络设备可直接通过低功耗无线电模块,采用第一资源中的资源接收来自终端设备的UL WUS,以减少功耗,实现节能。
另一种可能的方式中,第三资源为第二资源时,终端设备也无需先唤醒网络设备的主无线电模块,可以直接通过低功耗无线电模块,采用第二资源向网络设备发送UL WUS。相应的,网络设备可以通过低功耗无线电模块,采用第二资源接收来自终端设备的UL WUS,可实现节能。另外,chirp信号的波形简单,则网络设备采用chirp信号对应的资源接收UL WUS,可减少检测的复杂度。
一种可选的实施方式中,终端设备可以通过UL WUS携带业务大小指示,比如携带终端设备待传输的数据量,从而有利于网络设备通过UL WUS,确定终端设备待传输的数据量。
终端设备可以通过多种方式使得UL WUS携带终端设备待传输的数据量,比如通过隐式或显示方式使得UL WUS携带终端设备待传输的数据量,其中终端设备待传输的数据量可以是一个数据量范围。
一种可能的方式中,第三资源为第一资源中的资源时,上行唤醒信号携带前导码索引(preamble index),前导码索引与终端设备待传输的数据量相关。也就是说,终端设备确定用于发送UL WUS的资源为PRACH资源中专用于传输UL WUS的资源时,可以通过UL WUS携带的前导码索引,隐式携带终端设备待传输的数据量。例如,前导码索引与终端设备待传输的数据量之间的关系如下表1所示。
表1
从表1可以看出,UL WUS携带的不同前导码索引对应不同的待传输的数据量范围。例如,UL WUS携带的前导码索引为1时,表示终端设备待传输的数据量小于或等于10byte。再例如,UL WUS携带的前导码索引为2时,表示终端设备待传输的数据量小于或等于14byte。
另一种可能的方式中,第三资源为第二资源时,啁啾信号的以下一项与终端设备待传输的数据量相关:啁啾信号的斜率、啁啾信号的频域起始位置、或啁啾信号的时域起始位置。也就是说,终端设备确定用于发送UL WUS的资源为chirp信号对应的资源时,可以通过chirp信号的斜率,或chirp信号的频域起始位置,或chirp信号的时域起始位置,隐式携带终端设备待传输的数据量。例如,终端设备通过chirp信号的时域位置携带终端设备待传输的数据量时,可以通过在不同slot/symbol上的接收,隐示指示终端设备待传输的数据量。例如,图9为一种时域资源示意图。如图9所示,slot 0表示终端设备待传输的数据量为10byte,slot1表示终端设备待传输的数据量为20byte。
又一种可能的方式中,不论终端设备确定的第三资源为第一资源中的资源,还是为第二资源,UL WUS均可直接携带(显示携带)终端设备待传输的数据量。从而,网络设备能够通过UL WUS携带的内容,获知终端设备待传输的数据量。
终端设备通过UL WUS隐式携带,或显示携带终端设备待传输的数据量的方式,与终端设备在唤醒网络设备之后,再通过调度请求(scheduling request,SR)的方式告知待传输的数据量的方式相比,可使得终端设备能够与网络设备快速进行数据传输,为即将到来的上行数据配置时频域资源,从而降低通信时延。
S703.网络设备基于第三资源,确定终端设备的业务需求和/或终端设备的位置。
终端设备基于终端设备的业务需求和/或终端设备的位置,从第一资源和第二资源中,确定用于发送UL WUS的第三资源。相应的,网络设备可以基于接收UL WUS所采用的第三资源,确定终端设备的业务需求和/或终端设备的位置。
网络设备基于第三资源,确定终端设备的业务需求和/或终端设备的位置的实施方式,与终端设备基于终端设备的业务需求和/或终端设备的位置,从第一资源和第二资源中,确定第三资源的实施方式,相对应。
一种可能的方式中,第一资源包括第一集合和第二集合。该方式中,网络设备基于第三资源,确定终端设备的业务需求和/或终端设备的位置,包括:在第三资源为第一集合中的资源时,确定终端设备的业务服务质量大于第一门限;网络设备在第三资源为第二集合中的资源时,确定终端设备的业务服务质量小于或等于第一门限,且终端设备的测量上报值小于第二门限;网络设备在第三资源为第二资源时,确定终端设备的业务服务质量小于或等于第一门限,且终端设备的测量上报值大于或等于第二门限。
也就是说,如果第三资源为第一集合中的资源,终端设备的业务服务质量大于第一门限;如果第三资源为第二集合中的资源,业务服务质量小于或等于第一门限,且终端设备的测量上报值小于第二门限;如果第三资源为第二资源,业务服务质量小于或等于第一门限,且测量上报值大于或等于第二门限。
其中,终端设备的业务服务质量大于第一门限,可以表明终端设备的业务优先级较高;业务服务质量小于或等于第一门限,且终端设备的测量上报值小于第二门限,可以表明终端设备的业务优先级不高,但终端设备距离网络设备较远;业务服务质量小于或等于第一门限,且测量上报值大于或等于第二门限,可以表明终端设备的业务优先级不高,且终端设备距离网络设备不远。另外,终端设备的业务优先级较高,终端设备距离网络设备较远,可参见上述S702中所述,不再赘述。
另一种可能的方式中,第一资源包括第一集合和第三集合。该方式中,网络设备基于第三资源,确定终端设备的业务需求和/或终端设备的位置,包括:在第三资源为第二资源,确定终端设备的业务服务质量小于或等于第一门限;网络设备在第三资源为第一集合中的资源,确定终端设备的业务服务质量大于第一门限且小于第三门限;网络设备在第三资源为第三集合中的资源,确定业务服务质量大于或等于第三门限。
也就是说,如果第三资源为第二资源,终端设备的业务服务质量小于或等于第一门限;如果第三资源为第一集合中的资源,业务服务质量大于第一门限且小于第三门限;如果第三资源为第三集合中的资源,业务服务质量大于或等于第三门限。
其中,终端设备的业务服务质量小于或等于第一门限,可以表明终端设备的业务优先级较低;终端设备的业务服务质量大于第一门限且小于第三门限,可以表明终端设备的业务优先级比较高;终端设备的业务服务质量大于或等于第三门限,可以表明终端设备的业务优先级较高。另外,终端设备的业务优先级较低,终端设备的业务优先级比较高,终端设备的业务优先级较高,可参见上述S702中所述,不再赘述。
又一种可能的方式中,第一资源包括第二集合和第四集合。该方式中,网络设备基于第三资源,确定终端设备的业务需求和/或终端设备的位置,包括:在第三资源为第二集合中的资源时,确定终端设备的测量上报值小于第二门限;网络设备在第三资源为第四集合中的资源时,确定测量上报值大于或等于第二门限,且小于第四门限;网络设备在第三资源为第二资源时,确定测量上报值大于或等于第四门限。
也就是说,如果第三资源为第二集合中的资源,终端设备的测量上报值小于第二门限;如果第三资源为第四集合中的资源,终端设备的测量上报值大于或等于第二门限,且小于第四门限;如果第三资源为第二资源,终端设备的测量上报值大于或等于第四门限。
其中,终端设备的测量上报值小于第二门限,可以表明终端设备距离网络设备的位置较远;终端设备的测量上报值大于第二门限,且小于第四门限,可以表明终端设备距离网络设备的位置比较远;终端设备的测量上报值大于或等于第四门限,可以表明终端设备距离网络设备的位置较近。另外,终端设备距离网络设备的位置较远,终端设备距离网络设备的位置比较远,终端设备距离网络设备的位置较近,可参见上述S702中所述,不再赘述。
又一种可选的实施方式中,第一资源中的多个集合是根据预设规则确定的,且不同集合对应不同的终端设备的业务需求和/或终端设备的位置,那么网络设备也可以基于接收UL WUS所采用的集合,确定终端设备的业务需求和/或终端设备的位置。
可见,网络设备可以基于接收UL WUS所采用的第三资源,确定终端设备的状态,终端设备的状态包括以下至少一项:终端设备的业务需求,终端设备的位置,终端设备的业务服务质量,终端设备的测量上报值,终端设备的业务优先级,终端设备与网络设备之间的距离,从而有利于网络设备基于确定的终端设备的状态,对终端设备进行调度。
一种可选的实施方式中,网络设备接收UL WUS所采用的第三资源为第一资源中的资源,且上行唤醒信号携带前导码索引时,网络设备还执行以下步骤:基于前导码索引,确定终端设备待传输的数据量;基于待传输的数据量,为终端设备调度上行传输资源。例如,UL WUS携带的前导码索引为上述表1中的索引3,则网络设备确定终端设备待传输的数据量小于或等于30byte,进而根据该待传输的数据量范围,为终端设备调度上行传输资源。
另一种可选的实施方式中网络设备接收UL WUS所采用的第三资源为chirp信号对应的资源(第二资源)时,网络设备还可执行以下步骤:基于啁啾信号的以下一项,确定终端设备待传输的数据量:啁啾信号的斜率、啁啾信号的频域起始位置、或啁啾信号的时域起始位置;基于待传输的数据量,为终端设备调度上行传输资源。例如,终端设备通过图9所示的啁啾信号的时域起始位置,携带终端设备待传输的数据量,且啁啾信号的时域起始位置为slot 1,则网络设备确定终端设备待传输的数据量为20byte,进而基于该待传输的数据量为终端设备调度上行传输资源。
可见,终端设备通过UL WUS携带终端设备待传输的数据量时,网络设备可以基于UL WUS确定终端设备待传输的数据量,进而基于确定的待传输的数据量,为终端设备调度上行传输资源。该方式与网络设备被唤醒后,通过来自终端设备的SR获知终端设备待传输的数据量相比,时效性高且可减少通信时延。
可见,本申请实施例中,终端设备基于终端设备的业务需求和/或终端设备的位置,从PRACH资源中专用于传输上行唤醒信号的资源和啁啾信号对应的资源中选择合适的第三资源,并采用第三资源向网络设备发送上行唤醒信号。从而,网络设备采用第三资源接收终端设备发送的上行唤醒信号,并基于采用的第三资源,确定终端设备的业务需求和/或终端设备的位置。
终端设备确定的用于发送上行唤醒信号的第三资源为PRACH资源中专用于传输上行唤醒信号的资源时,终端设备无需先通过主无线电模块唤醒网络设备,通过低功耗无线电模块向网络设备发送上行唤醒信号,相应的,网络设备也可以直接通过低功耗无线电模块接收上行唤醒信号,从而可在保障业务性能的前提下,实现节能。终端设备确定的用于发送上行唤醒信号的第三资源为啁啾信号对应的资源时,终端设备可以通过低功耗无线电模块向网络设备发送UL WUS,相应的,网络设备也可以通过低功耗无线电模块接收上行唤醒信号,可降低功耗,实现节能。另外,啁啾信号的波形简单,终端设备采用啁啾信号的波形向网络设备发送上行唤醒信号的方式,可降低网络设备检测的复杂度。
针对前文描述的技术方案,下文进一步描述相应的装置实现方案。
为了实现上述本申请实施例提供的方法中的各功能,网络设备和终端设备可以包括硬件结构和/或软件模块,以硬件结构、软件模块、或硬件结构加软件模块的形式来实现上述各功能。上述各功能中的某个功能以硬件结构、软件模块、还是硬件结构加软件模块的方式来执行,取决于技术方案的特定应用和设计约束条件。
如图10所示,本申请实施例提供了一种通信装置1000。该通信装置1000可以是网络设备的部件(例如,集成电路,芯片等等),也就可以是终端设备的部件(例如,集成电路,芯片等等)。该通信装置1000也可以是其他通信单元,用于实现本申请方法实施例中的方法。该通信装置1000可以包括:通信单元1001和处理单元1002。一种可能的实现方式,还可以包括存储单元1003。
在一种可能的设计中,如图10中的一个或者多个单元可能由一个或者多个处理器来实现,或者由一个或者多个处理器和存储器来实现;或者由一个或多个处理器和收发器实现;或者由一个或者多个处理器、存储器和收发器实现,本申请实施例对此不作限定。所述处理器、存储器、收发器可以单独设置,也可以集成。
所述通信装置1000具备实现本申请实施例描述的网络设备的功能,或终端设备的功能。比如,所述通信装置1000包括读写器执行上述各方法实施例中的终端设备涉及步骤所对应的模块或单元或手段(means),所述功能或单元或手段(means)可以通过软件实现,或者通过硬件实现,也可以通过硬件执行相应的软件实现,还可以通过软件和硬件结合的方式实现。详细可进一步参考前述对应方法实施例中的相应描述。
在一种可能的设计中,通信装置1000可包括:处理单元1002和通信单元1001,所述装置应用于终端设备;所述处理单元1002,用于基于终端设备的业务需求和/或所述终端设备的位置,从第一资源和第二资源中确定第三资源;所述通信单元1001,用于采用所述第三资源向网络设备发送上行唤醒信号;
其中,所述第一资源为物理随机接入信道PRACH资源中专用于传输所述上行唤醒信号的资源,所述第二资源为啁啾信号对应的资源。
一种可选的实施方式中,所述第一资源与所述PRACH资源中用于所述终端设备进行PRACH的资源不相同。
一种可选的实施方式中,所述第一资源包括第一集合和第二集合;如果所述终端设备的业务服务质量大于第一门限,所述第三资源为所述第一集合中的资源;如果所述业务服务质量小于或等于所述第一门限,且所述终端设备的测量上报值小于第二门限,所述第三资源为所述第二集合中的资源;如果所述业务服务质量小于或等于所述第一门限,且所述测量上报值大于或等于所述第二门限,所述第三资源为所述第二资源;其中,所述业务服务质量用于反映所述终端设备的业务需求,所述测量上报值用于反映所述终端设备的位置,所述测量上报值是所述终端设备对同步信号块或同步信号进行测量获得的。
另一种可选的实施方式中,所述第一资源包括第一集合和第三集合;如果所述终端设备的业务服务质量小于或等于第一门限,所述第三资源为所述第二资源;如果所述业务服务质量大于所述第一门限且小于第三门限,所述第三资源为所述第一集合中的资源;如果所述业务服务质量大于或等于所述第三门限,所述第三资源为所述第三集合中的资源;其中,所述业务服务质量用于反映所述终端设备的业务需求。
又一种可选的实施方式中,所述第一资源包括第二集合和第四集合;如果所述终端设备的测量上报值小于第二门限,所述第三资源为所述第二集合中的资源;如果所述测量上报值大于或等于所述第二门限,且小于第四门限,所述第三资源为所述第四集合中的资源;如果所述测量上报值大于或等于所述第四门限,所述第三资源为所述第二资源;其中,所述测量上报值用于反映所述终端设备的位置,所述测量上报值是所述终端设备对同步信号块或同步信号进行测量获得的。
一种可选的实施方式中,所述第三资源为所述第一资源中的资源时,所述上行唤醒信号携带前导码索引,所述前导码索引与所述终端设备待传输的数据量相关。
另一种可选的实施方式中,所述第三资源为所述第二资源时,所述啁啾信号的以下一项与所述终端设备待传输的数据量相关:所述啁啾信号的斜率、所述啁啾信号的频域起始位置、或所述啁啾信号的时域起始位置。
在另一种可能的设计中,通信装置1000可包括:处理单元1002和通信单元1001,所述装置应用于终端设备;所述通信单元1001,用于在第三资源上接收来自终端设备的上行唤醒信号;所述处理单元1002,用于基于所述第三资源,确定所述终端设备的业务需求和/或所述终端设备的位置;其中,所述第三资源为第一资源中的资源,或者为第二资源,所述第一资源为物理随机接入信道PRACH资源中专用于传输所述上行唤醒信号的资源,所述第二资源为啁啾信号对应的资源。
一种可选的实施方式中,所述第一资源与所述PRACH资源中用于所述终端设备进行PRACH的资源不相同。
一种可选的实施方式中,所述第一资源包括第一集合和第二集合;如果所述第三资源为所述第一集合中的资源,所述终端设备的业务服务质量大于第一门限;如果所述第三资源为所述第二集合中的资源,所述业务服务质量小于或等于所述第一门限,且所述终端设备的测量上报值小于第二门限;如果所述第三资源为所述第二资源,所述业务服务质量小于或等于所述第一门限,且所述测量上报值大于或等于所述第二门限;其中,所述业务服务质量用于反映所述终端设备的业务需求,所述测量上报值用于反映所述终端设备的位置,所述测量上报值是所述终端设备对同步信号块或同步信号进行测量获得的。
另一种可选的实施方式中,所述第一资源包括第一集合和第三集合;如果所述第三资源为所述第二资源,所述终端设备的业务服务质量小于或等于第一门限;如果所述第三资源为所述第一集合中的资源,所述业务服务质量大于所述第一门限且小于第三门限;如果所述第三资源为所述第三集合中的资源,所述业务服务质量大于或等于所述第三门限;其中,所述业务服务质量用于反映所述终端设备的业务需求。
又一种可选的实施方式中,所述第一资源包括第二集合和第四集合;如果所述第三资源为所述第二集合中的资源,所述终端设备的测量上报值小于第二门限;如果所述第三资源为所述第四集合中的资源,所述测量上报值大于或等于所述第二门限,且小于第四门限;如果所述第三资源为所述第二资源,所述测量上报值大于或等于所述第四门限;其中,所述测量上报值用于反映所述终端设备的位置,所述测量上报值是所述终端设备对同步信号块或同步信号进行测量获得的。
一种可选的实施方式中,所述第三资源为所述第一资源中的资源,所述上行唤醒信号携带前导码索引,所述处理单元1002,还用于:基于所述前导码索引,确定所述终端设备待传输的数据量;基于所述待传输的数据量,为所述终端设备调度上行传输资源。
另一种可选的实施方式中,第三资源为所述第二资源,所述处理单元1002,还用于:基于所述啁啾信号的以下一项,确定所述终端设备待传输的数据量:所述啁啾信号的斜率、所述啁啾信号的频域起始位置、或所述啁啾信号的时域起始位置;基于所述待传输的数据量,为所述终端设备调度上行传输资源。
本申请实施例和上述所示方法实施例基于同一构思,其带来的技术效果也相同,具体原理请参照上述所示实施例的描述,不再赘述。
本申请实施例还提供一种通信装置1100,图11为通信装置1100的结构示意图。所述通信装置1100可以是网络设备,也可以是支持网络设备实现上述方法的芯片、芯片系统、或处理器等;或者,可以是终端设备,也可以是支持终端设备实现上述方法的芯片、芯片系统、或处理器等。该装置可用于实现上述方法实施例中描述的方法,具体可以参见上述方法实施例中的说明。
所述通信装置1100可以包括一个或多个处理器1101。所述处理器1101可以是通用处理器或者专用处理器等。例如可以是基带处理器、数字信号处理器、专用集成电路、现场可编程门阵列或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件或中央处理器(central processing unit,CPU)。基带处理器可以用于对通信协议以及通信数据进行处理,中央处理器可以用于对通信装置(如,基站、基带芯片,终端、终端芯片,DU或CU等)进行控制,执行软件程序,处理软件程序的数据。
一种可能的实现方式,所述通信装置1100中可以包括一个或多个存储器1102,其上可以存有指令1104,所述指令可在所述处理器1101上被运行,使得所述通信装置1100执行上述方法实施例中描述的方法。其中,所述指令可以替换为程序。一种可能的实现方式,所述存储器1102中还可以存储有数据。所述处理器1101和存储器1102可以单独设置,也可以集成在一起。所述处理器1101,用于解析信令信息,处理相关数据;所述存储器1102,涉及存储的信令信息,以及提前约定的预设值等。
一种可能的实现方式,所述通信装置1100还可以包括收发器1105、天线1106。所述收发器1105可以称为收发单元、收发机、或收发电路等,用于实现收发功能。收发器1105可以包括接收器和发送器,接收器可以称为接收机或接收电路等,用于实现接收功能;发送器可以称为发送机或发送电路等,用于实现发送功能。
在一种可能的设计中,所述通信装置1100可以应用于终端设备,具体地,处理器1101用于执行上述唤醒信号传输方法中的S701;收发器1105用于执行上述唤醒信号传输方法中的S702。
在另一种可能的设计中,所述通信装置1100可以应用于网络设备,具体地,处理器1101用于执行上述唤醒信号传输方法中的S703;收发器1105用于执行上述唤醒信号传输方法中的S702。
一种可能的实现方式,处理器1101可以存有指令1103,指令1103在处理器1101上运行,可使得所述通信装置1100执行上述方法实施例中描述的方法。指令1103可能固化在处理器1101中,该种情况下,处理器1101可能由硬件实现。
本申请实施例和上述唤醒信号传输方法实施例基于同一构思,其带来的技术效果也相同,具体原理请参照上述唤醒信号传输方法实施例的描述,不再赘述。
本申请实施例还提供了一种通信系统,该系统包括终端设备和网络设备。在另一种可能的设计中,该系统还可以包括与终端设备和/或网络设备进行交互的其他设备/功能网元。
本申请实施例还提供了一种芯片,该芯片包括处理器,所述处理器调用存储器中存储的计算机程序以使得包括所述芯片的通信装置实现上述任一方法实施例的功能。
本申请实施例还提供了一种计算机可读存储介质,用于储存计算机软件指令,当所述指令被通信装置执行时,实现上述任一方法实施例的功能。
本申请实施例还提供了一种计算机程序产品,用于储存计算机软件指令,当所述指令被通信装置执行时,实现上述任一方法实施例的功能。
本申请实施例还提供了一种计算机程序,当其在计算机上运行时,实现上述任一方法实施例的功能。
本申请实施例的说明书、权利要求书及附图中的术语“第一”和“第二”等是用于区别不同对象,而不是用于描述特定顺序。“第一”、“第二”等仅用于描述目的,而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”等的特征可以明示或者隐含地包括一个或者更多个该特征。在本实施例的描述中,除非另有说明,“多个”的含义是两个或两个以上。
此外,术语“包括”和“具有”以及它们任何变形,意图在于覆盖不排他的包含。例如包含了一系列步骤或单元的过程、方法、系统、产品或设备没有限定于已列出的步骤或单元,而是可选地还包括没有列出的步骤或单元,或可选地还包括对于这些过程、方法、产品或设备固有的其它步骤或单元。
在本申请实施例中提及“实施例”意味着,结合实施例描述的特定特征、结构或特性可以包含在本申请的至少一个实施例中。在说明书中的各个位置出现该短语并不一定均是指相同的实施例,也不是与其它实施例互斥的独立的或备选的实施例。本领域技术人员显式地和隐式地理解的是,本文所描述的实施例可以与其它实施例相结合。
在本申请实施例中,“至少一个(项)”是指一个或者多个,“多个”是指两个或两个以上,“和/或”,用于描述关联对象的关联关系,表示可以存在三种关系,例如,“A和/或B”可以表示:只存在A,只存在B以及同时存在A和B三种情况,其中A,B可以是单数或者复数。字符“/”一般表示前后关联对象是一种“或”的关系。“以下至少一项(个)”或其类似表达,是指这些项中的任意组合,包括单项(个)或复数项(个)的任意组合。例如,a,b或c中的至少一项(个),可以表示:a,b,c,“a和b”,“a和c”,“b和c”,或“a和b和c”,其中a,b,c可以是单个,也可以是多个。
在本申请实施例中,“示例性的”或者“例如”等词用于表示作例子、例证或说明。本申请实施例中被描述为“示例性的”或者“例如”的任何实施例或设计方案不应被解释为比其它实施例或设计方案更优选或更具优势。确切而言,使用“示例性的”或者“例如”等词旨在以具体方式呈现相关概念,便于理解。
上述实施例中,可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时,可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行所述计算机指令时,全部或部分地产生按照本申请实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。所述计算机指令可以存储在计算机可读存储介质中,或者从一个计算机可读存储介质向另一个计算机可读存储介质传输,例如,所述计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(digital subscriber line,DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够存取的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质(例如,软盘、硬盘、磁带)、光介质(例如,高密度数字视频光盘(digital video disc,DVD))、或者半导体介质(例如,固态硬盘(solid state disk,SSD))等。

Claims (18)

  1. 一种唤醒信号传输方法,其特征在于,所述方法包括:
    基于终端设备的业务需求和/或所述终端设备的位置,从第一资源和第二资源中确定第三资源;
    采用所述第三资源向网络设备发送上行唤醒信号;
    其中,所述第一资源为物理随机接入信道PRACH资源中专用于传输所述上行唤醒信号的资源,所述第二资源为啁啾信号对应的资源。
  2. 根据权利要求1所述的方法,其特征在于,所述第一资源与所述PRACH资源中用于所述终端设备进行PRACH的资源不相同。
  3. 根据权利要求1或2所述的方法,其特征在于,所述第一资源包括第一集合和第二集合;
    如果所述终端设备的业务服务质量大于第一门限,所述第三资源为所述第一集合中的资源;
    如果所述业务服务质量小于或等于所述第一门限,且所述终端设备的测量上报值小于第二门限,所述第三资源为所述第二集合中的资源;
    如果所述业务服务质量小于或等于所述第一门限,且所述测量上报值大于或等于所述第二门限,所述第三资源为所述第二资源;
    其中,所述业务服务质量用于反映所述终端设备的业务需求,所述测量上报值用于反映所述终端设备的位置,所述测量上报值是所述终端设备对同步信号块或同步信号进行测量获得的。
  4. 根据权利要求1或2所述的方法,其特征在于,所述第一资源包括第一集合和第三集合;
    如果所述终端设备的业务服务质量小于或等于第一门限,所述第三资源为所述第二资源;
    如果所述业务服务质量大于所述第一门限且小于第三门限,所述第三资源为所述第一集合中的资源;
    如果所述业务服务质量大于或等于所述第三门限,所述第三资源为所述第三集合中的资源;
    其中,所述业务服务质量用于反映所述终端设备的业务需求。
  5. 根据权利要求1或2所述的方法,其特征在于,所述第一资源包括第二集合和第四集合;
    如果所述终端设备的测量上报值小于第二门限,所述第三资源为所述第二集合中的资源;
    如果所述测量上报值大于或等于所述第二门限,且小于第四门限,所述第三资源为所述第四集合中的资源;
    如果所述测量上报值大于或等于所述第四门限,所述第三资源为所述第二资源;
    其中,所述测量上报值用于反映所述终端设备的位置,所述测量上报值是所述终端设备对同步信号块或同步信号进行测量获得的。
  6. 根据权利要求1至5任一项所述的方法,其特征在于,所述第三资源为所述第一资源中的资源时,所述上行唤醒信号携带前导码索引,所述前导码索引与所述终端设备待传输的数据量相关。
  7. 根据权利要求1至5任一项所述的方法,其特征在于,所述第三资源为所述第二资源时,所述啁啾信号的以下一项与所述终端设备待传输的数据量相关:所述啁啾信号的斜率、所述啁啾信号的频域起始位置、或所述啁啾信号的时域起始位置。
  8. 一种唤醒信号传输方法,其特征在于,所述方法包括:
    在第三资源上接收来自终端设备的上行唤醒信号;
    基于所述第三资源,确定所述终端设备的业务需求和/或所述终端设备的位置;
    其中,所述第三资源为第一资源中的资源,或者为第二资源,所述第一资源为物理随机接入信道PRACH资源中专用于传输所述上行唤醒信号的资源,所述第二资源为啁啾信号对应的资源。
  9. 根据权利要求8所述的方法,其特征在于,所述第一资源与所述PRACH资源中用于所述终端设备进行PRACH的资源不相同。
  10. 根据权利要求8或9所述的方法,其特征在于,所述第一资源包括第一集合和第二集合;
    如果所述第三资源为所述第一集合中的资源,所述终端设备的业务服务质量大于第一门限;
    如果所述第三资源为所述第二集合中的资源,所述业务服务质量小于或等于所述第一门限,且所述终端设备的测量上报值小于第二门限;
    如果所述第三资源为所述第二资源,所述业务服务质量小于或等于所述第一门限,且所述测量上报值大于或等于所述第二门限;
    其中,所述业务服务质量用于反映所述终端设备的业务需求,所述测量上报值用于反映所述终端设备的位置,所述测量上报值是所述终端设备对同步信号块或同步信号进行测量获得的。
  11. 根据权利要求8或9所述的方法,其特征在于,所述第一资源包括第一集合和第三集合;
    如果所述第三资源为所述第二资源,所述终端设备的业务服务质量小于或等于第一门限;
    如果所述第三资源为所述第一集合中的资源,所述业务服务质量大于所述第一门限且小于第三门限;
    如果所述第三资源为所述第三集合中的资源,所述业务服务质量大于或等于所述第三门限;
    其中,所述业务服务质量用于反映所述终端设备的业务需求。
  12. 根据权利要求8或9所述的方法,其特征在于,所述第一资源包括第二集合和第四集合;
    如果所述第三资源为所述第二集合中的资源,所述终端设备的测量上报值小于第二门限;
    如果所述第三资源为所述第四集合中的资源,所述测量上报值大于或等于所述第二门限,且小于第四门限;
    如果所述第三资源为所述第二资源,所述测量上报值大于或等于所述第四门限;
    其中,所述测量上报值用于反映所述终端设备的位置,所述测量上报值是所述终端设备对同步信号块或同步信号进行测量获得的。
  13. 根据权利要求8至12任一项所述的方法,其特征在于,所述第三资源为所述第一资源中的资源,所述上行唤醒信号携带前导码索引,所述方法还包括:
    基于所述前导码索引,确定所述终端设备待传输的数据量;
    基于所述待传输的数据量,为所述终端设备调度上行传输资源。
  14. 根据权利要求8至12任一项所述的方法,其特征在于,所述第三资源为所述第二资源,所述方法还包括:
    基于所述啁啾信号的以下一项,确定所述终端设备待传输的数据量:所述啁啾信号的斜率、所述啁啾信号的频域起始位置、或所述啁啾信号的时域起始位置;
    基于所述待传输的数据量,为所述终端设备调度上行传输资源。
  15. 一种通信装置,其特征在于,所述通信装置包括处理器,所述处理器被配置为执行权利要求1至7任一项所述的方法,或者执行权利要求8至14任一项所述的方法。
  16. 一种芯片,其特征在于,包括处理器,所述处理器调用存储器中存储的计算机程序以使得包括所述芯片的通信装置实现如权利要求1至7任一项的方法,或者实现如权利要求8至14任一项的方法。
  17. 一种计算机可读存储介质,其特征在于,所述计算机可读存储介质用于存储有指令,当其在计算机上运行时,使得权利要求1至7任一项所述的方法被执行,或者使得权利要求8至14任一项所述的方法被执行。
  18. 一种包含指令的计算机程序产品,其特征在于,当其在计算机上运行时,使得权利要求1至7任一项所述的方法被执行,或者使得权利要求8至14任一项所述的方法被执行。
PCT/CN2025/103918 2024-07-03 2025-06-26 一种唤醒信号传输方法及装置 Pending WO2026007802A1 (zh)

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