WO2021063216A1 - 降低终端功耗的方法、装置及设备 - Google Patents

降低终端功耗的方法、装置及设备 Download PDF

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Publication number
WO2021063216A1
WO2021063216A1 PCT/CN2020/116803 CN2020116803W WO2021063216A1 WO 2021063216 A1 WO2021063216 A1 WO 2021063216A1 CN 2020116803 W CN2020116803 W CN 2020116803W WO 2021063216 A1 WO2021063216 A1 WO 2021063216A1
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WIPO (PCT)
Prior art keywords
terminal device
power saving
band
wus
sleep mode
Prior art date
Application number
PCT/CN2020/116803
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English (en)
French (fr)
Inventor
庄宏成
方平
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to EP20873008.5A priority Critical patent/EP4030833A4/en
Priority to US17/765,188 priority patent/US20220394621A1/en
Publication of WO2021063216A1 publication Critical patent/WO2021063216A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0235—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a power saving command
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/34—Signalling channels for network management communication
    • H04L41/344—Out-of-band transfers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24—Transfer of terminal data
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to the field of terminal technology, and in particular to a method, device and equipment for reducing power consumption of a terminal.
  • the UE In the current communication network, most of the physical downlink control channel (PDCCH) monitoring performed by the user equipment (UE), that is, the terminal device, during the communication with the access device does not detect anything against itself.
  • the UE In the communication system, the UE is in idle or inactvie state most of the time, and the traditional discontinuous reception mode (discontinuous reception, DRX) ) Periodically wake up the UE to monitor the PDCCH, but it does not necessarily require the UE to receive or send data, resulting in unnecessary power consumption.
  • DRX discontinuous reception
  • the main transceiver of the UE can be turned off, and the wake-up radio (WUR) can be used to monitor the wake-up signal (WUS) or sleep signal sent by the access device.
  • WUR wake-up radio
  • This method can effectively reduce the power consumption of the UE.
  • the hardware conditions of each UE are different, and the above method is not applicable to UEs that do not include WUR.
  • the embodiment of the present invention provides a method, a device, and a device for reducing power consumption of a terminal, which can adaptively adjust the adopted sleep mode according to the power saving capability of the terminal.
  • an embodiment of the present invention provides a method for reducing power consumption of a terminal, including: an access device receives power saving indication information sent by a terminal device, the power saving indication information is used to indicate the power saving capability of the terminal device; When the terminal device is idle, the access device determines the sleep mode of the terminal device according to the power saving instruction information; further, the access device sends a sleep signal to the terminal device, and the sleep signal is used to instruct the terminal device to enter the sleep mode.
  • the above method provides an adaptive power saving mechanism.
  • the terminal device can report its power saving capability to the access device. Furthermore, the access device can select a suitable sleep mode based on the power saving capability of the terminal device to adaptively reduce the terminal device’s power saving capability. Power consumption.
  • the method further includes: when the terminal device needs to wake up, the access device wakes up the terminal device according to the power saving indication information.
  • the power saving indication information is specifically used to indicate the WUS supported by the terminal device.
  • the access device wakes up one of the terminal devices according to the power saving indication information.
  • One way to achieve this can be:
  • the access device sends out-of-band WUS to the wake-up transceiver (WUR) of the terminal device, so that the WUR of the terminal device wakes up the terminal after receiving the out-of-band WUS
  • WUR wake-up transceiver
  • MR main transceiver
  • the access device sends the in-band WUS to the main transceiver (MR) of the terminal device, so that the MR of the terminal device receives the in-band WUS. After entering WUS, wake up the main transceiver of the terminal device.
  • MR main transceiver
  • an implementation manner in which the access device determines the sleep mode of the terminal device according to the power saving indication information may include :
  • the access device determines the sleep mode of the terminal device according to the service type of the terminal device and the power saving indication information.
  • the sleep mode includes an out-of-band sleep mode and an in-band sleep mode, where the terminal device is in the in-band sleep mode, and the main transceiver of the terminal device monitors the wake-up signal; the terminal When the device is in out-of-band sleep mode, the main transceiver of the terminal device is turned off, and the WUR of the terminal device is turned on.
  • an implementation manner in which the access device receives the power saving indication information sent by the terminal device may include:
  • the access device receives the power saving indication information sent by the terminal device through one of RRC messages, L1 signaling, uplink data piggybacking, and L2 signaling.
  • an embodiment of the present application also provides a method for reducing power consumption of a terminal, including: the terminal device determines power saving indication information according to a wake-up signal supported by the terminal device, and the power saving indication information is used to indicate the power saving of the terminal device Capability; further, the terminal device sends power saving instruction information to the access device, so that the access device determines the sleep mode of the terminal device according to the power saving instruction information when the terminal device is idle and sends a sleep signal to the terminal device; thus, the terminal device After receiving the sleep signal, the terminal device is controlled to enter the sleep mode according to the sleep signal.
  • the power saving indication information is specifically used to indicate the WUS supported by the terminal device, and the method may further include:
  • the wake-up transceiver (WUR) of the terminal device receives the out-of-band WUS sent by the access device.
  • the out-of-band WUS is sent by the access device to the WUR of the terminal device when the power saving indication information indicates that the terminal device supports out-of-band WUS;
  • the terminal device wakes up the main transceiver (MR) of the terminal device according to the out-of-band WUS.
  • MR main transceiver
  • the power saving indication information is specifically used to indicate the WUS supported by the terminal device, and the method may further include:
  • the main transceiver (MR) of the terminal device receives the in-band WUS sent by the access device.
  • the in-band WUS is sent to the terminal by the access device when the power saving indication information indicates that the terminal device supports in-band WUS but does not support out-of-band WUS. It is sent by the main transceiver (MR) of the device;
  • the terminal device wakes up the main transceiver (MR) of the terminal device according to the in-band WUS.
  • MR main transceiver
  • the sleep mode is determined by the access device according to the service type of the terminal device and the power saving indication information when the terminal device is idle.
  • the sleep mode includes an out-of-band sleep mode and an in-band sleep mode, where the terminal device is in the in-band sleep mode, and the main transceiver of the terminal device monitors the wake-up signal; the terminal When the device is in out-of-band sleep mode, the main transceiver of the terminal device is turned off, and the WUR of the terminal device is turned on.
  • the method may further include:
  • the terminal device When the terminal device detects a change in the power saving capability of the terminal device, it sends the changed power saving indication information to the access device.
  • the changed power saving indication information is used to indicate the changed power saving capability of the terminal device.
  • an implementation manner for the terminal device to send power saving indication information to the access device may include:
  • the terminal device receives and sends power saving indication information to the access device through one of RRC messages, L1 signaling, uplink data piggybacking, and L2 signaling.
  • an embodiment of the present application also provides a device for reducing power consumption of a terminal, which is applied to an access device, and includes:
  • a receiving unit configured to receive power saving instruction information sent by a terminal device, where the power saving instruction information is used to indicate the power saving capability of the terminal device;
  • a determining unit configured to determine the sleep mode of the terminal device according to the power saving instruction information when the terminal device is idle;
  • the sending unit is configured to send a sleep signal to the terminal device, where the sleep signal is used to instruct the terminal device to enter the sleep mode.
  • the device may also include other units for implementing the method for reducing power consumption of the terminal as shown in any of the implementation manners of the first aspect.
  • the device may also include other units for implementing the method for reducing power consumption of the terminal as shown in any of the implementation manners of the first aspect.
  • other units for implementing the method for reducing power consumption of the terminal as shown in any of the implementation manners of the first aspect.
  • an embodiment of the present application also provides a device for reducing power consumption of a terminal, which is applied to a terminal device, and includes:
  • a determining unit configured to determine power saving indication information according to a wake-up signal supported by the terminal device, where the power saving indication information is used to indicate the power saving capability of the terminal device;
  • the sending unit is configured to send the power saving instruction information to the access device, so that the access device determines the sleep mode of the terminal device according to the power saving instruction information when the terminal device is idle, and sends it to the The terminal device sends a sleep signal;
  • the sleep unit is configured to control the terminal device to enter the sleep mode according to the sleep signal after receiving the sleep signal.
  • the device may also include other units for implementing the method for reducing power consumption of the terminal as shown in any of the implementation manners of the second aspect.
  • the device may also include other units for implementing the method for reducing power consumption of the terminal as shown in any of the implementation manners of the second aspect.
  • the relevant description in the second aspect above please refer to the relevant description in the second aspect above, which will not be repeated here. .
  • an embodiment of the present application also provides an access device, including: one or more processors, one or more memories, and a transceiver, where the transceiver is used for data interaction with a terminal device,
  • the one or more memories are coupled with the one or more processors, and the one or more memories are used to store computer program codes, and the computer program codes include computer instructions.
  • the access device executes the method for reducing power consumption of the terminal according to the first aspect or any one of the implementation manners of the first aspect.
  • an embodiment of the present application also provides a terminal device, including: one or more processors, one or more memories, and a main transceiver, wherein the main transceiver is used to communicate with the access device.
  • the one or more memories are coupled with the one or more processors, and the one or more memories are used to store computer program codes, the computer program codes including computer instructions, when the one or more When the processor executes the computer instruction, the terminal device executes the method for reducing power consumption of the terminal according to the second aspect or any implementation manner of the second aspect.
  • the embodiments of the present application also provide a computer-readable storage medium having computer-executable instructions stored in the computer-readable storage medium, and the computer-executable instructions are used to make the computer executable when called by the computer.
  • the computer executes the method for reducing power consumption of the terminal according to the second aspect or any one of the implementation manners of the second aspect.
  • the embodiments of the present application also provide a computer-readable storage medium that stores computer-executable instructions in the computer-readable storage medium, and the computer-executable instructions are used to make the computer executable when called by the computer
  • the computer executes the method for reducing power consumption of the terminal according to the second aspect or any one of the implementation manners of the second aspect.
  • FIG. 1 is a schematic explanatory diagram of an in-band WUS and an out-of-band WUS provided by an embodiment of the present application;
  • FIG. 2 is a schematic diagram of the architecture of a communication system provided by an embodiment of the present application.
  • 3A is a schematic flowchart of a method for reducing power consumption of a terminal according to an embodiment of the present application
  • 3B is a schematic flowchart of another method for reducing power consumption of a terminal according to an embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of a device for reducing power consumption of a terminal according to an embodiment of the present application
  • 5A is a schematic structural diagram of another device for reducing power consumption of a terminal according to an embodiment of the present application.
  • FIG. 5B is a schematic structural diagram of another device for reducing power consumption of a terminal according to an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of another device for reducing power consumption of a terminal according to an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of another device for reducing power consumption of a terminal according to an embodiment of the present application.
  • Terminal equipment also known as user equipment (UE) is a device that provides users with data connectivity, such as handheld devices with wireless connection functions, vehicle-mounted devices, wearable devices, computing Equipment, mobile station (mobile station, MS) or other processing equipment connected to a wireless modem, etc., and a mobile terminal that communicates with one or more core networks via an access network; for another example, the terminal device may be a mobile phone, Tablet computers, notebook computers, personal digital assistants (PDAs), point of sales (POS), on-board computers, etc.
  • PDAs personal digital assistants
  • POS point of sales
  • the access device which can be a base station (BS), is a device that provides wireless access services for terminal devices. Including but not limited to: evolved Node B (eNB), radio network controller (RNC), Node B (NB), base station controller (BSC) , Base transceiver station (BTS), home base station (for example, home evolved NodeB, or home Node B, HNB), baseband unit (BBU), access point (AP), wireless Access point (wireless fidelity access point, WiFi AP), global interoperability for microwave access (WiMAX) BS, etc.
  • eNB evolved Node B
  • RNC radio network controller
  • NB Node B
  • BSC base station controller
  • BTS Base transceiver station
  • home base station for example, home evolved NodeB, or home Node B, HNB
  • BBU baseband unit
  • AP wireless Access point
  • WiFi AP wireless Access point
  • WiMAX global interoperability for microwave access
  • the main transceiver can be the main radio interface.
  • the main transceiver in the terminal device is mainly used for interactive communication with the access device, for example, to obtain the downlink data issued by the core network device through the access device, and to receive the data sent by other network devices.
  • wake-up receiver wake-up receiver
  • the terminal device is equipped with a low-power receiver, that is, WUR, which is used to receive some relatively simple signals.
  • WUR a wake-up signal
  • WUS wake-up signal
  • Wake-up signal (wake-up signal, WUS), in-band WUS and in-band WUS
  • the wake-up signal is a signal sent by the access device to the terminal device, and the user wakes up the terminal device accordingly.
  • the wake-up signal can be divided into two types, namely in-band WUS and out-of-band WUS.
  • in-band WUS is the WUS sent by the main transceiver of the access device to the main transceiver of the terminal device
  • out-of-band WUS is the WUS sent by the main transceiver of the access device to the WUR of the terminal device.
  • the access device can send out-of-band WUS to it.
  • Terminal devices that do not include WUR can only receive in-band WUS, that is, receive WUS through the main transceiver.
  • the power-saving capability indication information in the various embodiments of the present application may also be referred to as a power-saving capability IE (information element), which is used to indicate the WUS signal supported by the terminal device that sends the power-saving capability indication information. It can also be said that it is used to indicate The power saving capability of the terminal device that sends the power saving capability indication information.
  • a power-saving capability IE information element
  • the terminal device includes multiple functional modules.
  • the sleep mode specifies which modules/devices in the terminal device work and which modules/devices do not work. Among them, in some scenarios, sleep can be divided into deep sleep and normal sleep. It should be understood that the power consumption of the device in deep sleep is lower than that of normal sleep, and the power consumption of normal sleep is lower than that of no sleep.
  • the power saving capability of the terminal device may correspond to the sleep mode.
  • the sleep mode of the terminal device including WUR may be that the main transceiver enters deep sleep (for example, the main transceiver is turned off, that is, the wireless modem (modem) is turned off, and the radio frequency (RF) module corresponding to the main transceiver is turned off), and the WUR is activated.
  • the sleep mode of a terminal device that does not include WUR may be that the main transceiver enters ordinary sleep. For example, the main transceiver is not turned off, but PDCCH monitoring is not performed, and only in-band WUS is monitored.
  • the sleep mode can be divided into an in-band sleep mode and an out-of-band sleep mode.
  • the specific manifestation of the main transceiver switching to the normal sleep state can be that the modem of the main transceiver does not perform PDCCH monitoring, but only monitors WUS; for example, in the out-of-band WUS sleep mode, the main transceiver The machine switches to the deep sleep state (specifically, the circuit of the main transceiver can be turned off without any power consumption), WUR works, and WUS is monitored.
  • the communication system 20 may include an access device 210 and at least one terminal device.
  • the terminal device is also called a user equipment (UE).
  • the communication system 20 includes a terminal device 220 and a terminal device 230.
  • the access device 210 may include a transceiver 211, and the transceiver 211 is configured to exchange information with at least one terminal device 220 in the communication system.
  • the power saving capability of each terminal device can be the same or different.
  • the terminal device 220 includes a main transceiver 221 and a wake-up receiver (WUR) 222.
  • WUR wake-up receiver
  • the terminal device 220 supports an in-band wake-up signal (WUS) and out-of-band WUS; the terminal device 230 includes The main transmitter 231 does not include WUR, the terminal supports in-band WUS, but does not support out-of-band WUS. It should be understood that FIG. 2 takes the terminal device 220 and the terminal device 230 as examples for illustration.
  • WUS in-band wake-up signal
  • the terminal device 230 includes The main transmitter 231 does not include WUR, the terminal supports in-band WUS, but does not support out-of-band WUS.
  • FIG. 2 takes the terminal device 220 and the terminal device 230 as examples for illustration.
  • the communication system 20 may also include other terminal devices, such as terminal devices that have a main transceiver and WUR and only support in-band WUS, including Main transceiver and WUR and terminal devices that do not support out-of-band WUS or in-band WUS, including main transceiver and WUR and terminal devices that only support out-of-band WUS, or terminals that include main transceiver but do not support in-band WUS Equipment, etc.
  • terminal devices that have a main transceiver and WUR and only support in-band WUS including Main transceiver and WUR and terminal devices that do not support out-of-band WUS or in-band WUS, including main transceiver and WUR and terminal devices that only support out-of-band WUS, or terminals that include main transceiver but do not support in-band WUS Equipment, etc.
  • the terminal device may send power saving indication information to the access device, where the power saving indication information is used to indicate the WUS supported by the terminal device.
  • the access device 210 receives the power saving instruction information Q1 sent by the terminal device 220, and the power saving instruction information Q1 indicates that the terminal device 220 supports in-band WUS and out-of-band WUS, and the access device 210
  • the sleep mode can be determined based on the power saving instruction information Q1, and the sleep signal S1 is sent to the terminal device 220, so that the terminal device 220 enters the power saving according to the received sleep signal S1 Indicate the sleep mode corresponding to the information Q1, such as turning off the main transceiver 221, and activating WUR is active; when the access device 210 recognizes that the terminal device 220 needs to have data to send and receive, it will send to the WUR222 of the terminal device 220 according to the power saving instruction information Out-of-band WUS to wake up the main transceiver 221 of the terminal device 220.
  • the access device 210 receives the power saving indication information Q2 sent by the terminal device 230, and the power saving indication information Q1 indicates that the terminal device 230 supports in-band WUS but not out-of-band WUS, and access The device 210 may send a sleep signal S2 to the terminal device 230 based on the power saving instruction information Q2 when the terminal device 230 is in an idle state, so that the terminal device 230 enters the power saving instruction information according to the received sleep signal S2
  • the sleep mode corresponding to Q2, for example, the main transceiver 221 enters deep sleep and does not detect the PDCCH.
  • the access device 210 is a base station (Base Transceiver Station, BTS) in GSM or CDMA, a base station (NodeB) in WCDMA, or an evolved base station (evolved Node B) in LTE.
  • BTS Base Transceiver Station
  • NodeB base station
  • evolved Node B evolved base station
  • ENB or e-NodeB base station
  • the sending end device 210 is an access point in the WLAN
  • the receiving end device 220 is a terminal device 220
  • the receiving end device 220 is an electronic device such as a mobile phone or a tablet computer.
  • GSM Global System of Mobile Communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • an adaptive power saving mechanism is provided.
  • the terminal device can report its power saving capability, that is, the supported WUS, to the access device. Furthermore, the access device can select a suitable sleep mode based on the power saving capability of the terminal device. Mode to adaptively reduce the power consumption of terminal equipment.
  • FIG. 3A it is a schematic flowchart of a method for reducing power consumption of a terminal according to an embodiment of this application.
  • the method is implemented based on the communication system 20 shown in FIG. 2.
  • the method may include, but is not limited to, some or all of the following steps :
  • S302 Power saving indication information sent by the terminal device to the access device, where the power saving indication information is used to indicate the power saving capability of the terminal device, and the power saving capability may specifically be a wake-up signal (WUS) supported by the terminal device.
  • WUS wake-up signal
  • the wake-up signal includes in-band WUS and in-band WUS, where in-band WUS is the WUS sent by the main transceiver of the access device to the main transceiver of the terminal device;
  • the external WUS is the WUS sent by the main transceiver of the access device to the WUR of the terminal device.
  • the corresponding relationship between the power saving capability of the terminal device and the power saving indication information may be as shown in Table 1:
  • the foregoing encoding manner of the power saving indication information is only described as an example.
  • the power-saving capabilities of the terminal equipment can be divided into more types, 4-bit binary codes, etc. can also be used, depending on the type of power-saving capabilities.
  • this application may also include other ways of indicating its power saving capability and power saving indication information.
  • the power saving instruction information sent by the terminal device to the access device may include, but is not limited to, the following four implementation modes:
  • the power saving indication information of the terminal device may be reported to the access device through a radio resource control (Radio Resource Control, RRC) message, such as an RRC establishment request message.
  • RRC Radio Resource Control
  • the RRC establishment request message is a message sent by the terminal device to the access device in the process of establishing an RRC connection between the terminal device and the access device to request the access device to establish a communication connection. It should be understood that when any terminal device accesses an access device, that is, when the terminal device communicates with the access device, an RRC connection will be established between the two, and there will be no more communication between the terminal device and the access device. When communication is needed, the RRC connection is released.
  • the power saving indication information of the terminal device can be through physical layer signaling (also known as Layer 1 (Layer 1, L1) signaling), such as the uplink control information (PUCCH) carried in the Physical Uplink Control Channel (PUCCH). Uplink Control Information (UCI), sent to the access device.
  • PUCCH Physical Uplink Control Channel
  • UCI Uplink Control Information
  • the transmission period or the signaling period of L1 signaling is usually the period of the physical layer frame. Therefore, L1 signaling is usually used to implement some dynamic control to transfer some frequently changing information, which is used in the embodiments of this application.
  • the transmission of power saving indication information can notify the access device in time when the power saving capability of the terminal changes.
  • the power saving indication information of the terminal device can be piggybacked in the uplink data carried by the physical uplink shared channel (physical UL shared channel, PUSCH) and sent to the access device.
  • the physical uplink shared channel physical UL shared channel, PUSCH
  • the power saving indication information of the terminal device can use Layer 2 (L2) signaling, such as Media Access Control (MAC) layer signaling (for example, Frame Control in the frame header of the MAC frame).
  • L2 Layer 2
  • MAC Media Access Control
  • the signaling carried in the) field, or MAC control entity (Control Entity, MAC-CE), etc.) is sent to the access device.
  • the data format of the signaling/message changes, which includes a field for indicating power saving indication information.
  • the terminal device may also send the power saving instruction information of the terminal device to the access device through other implementation manners, which is not limited.
  • S304 The access device receives power saving instruction information.
  • the access device After the access device receives the information/signaling carrying the power saving indication information, it can decode the information/signaling, and then obtain the power saving indication information to determine the power saving capability of the terminal device.
  • the access device sends a sleep signal to the terminal device, where the sleep signal is used to instruct the terminal device to enter a determined sleep mode.
  • the terminal device receives the sleep signal, and controls the terminal device to enter a determined sleep mode according to the sleep signal.
  • the access device can identify whether the terminal device is in an idle state. For example, when the access device does not receive the data sent by the core network device to the terminal device, it can be considered that the terminal device is in an idle state.
  • the instruction information determines the sleep mode of the terminal device, and further, the access device can perform S308.
  • the access device may also identify the idle state of the terminal device in other ways, which is not limited in the embodiment of the present application.
  • the access device can determine the sleep mode of the terminal device according to the WUS supported by the access device and the power saving indication information (that is, the WUS supported by the terminal device).
  • the sleep mode may include an in-band WUS sleep mode and an out-of-band WUS sleep mode.
  • the access device can send a sleep signal to instruct the terminal device to enter the out-of-band sleep mode. After receiving the sleep signal, the terminal device enters the out-of-band sleep mode. Sleep mode, that is, the terminal device turns off the main transceiver (that is, turns off the modem, turn off the RF corresponding to the main transceiver), turns on WUR, and monitors out-of-band WUS through WUR to reduce the power consumption of the terminal device.
  • the main transceiver that is, turns off the modem, turn off the RF corresponding to the main transceiver
  • the access device supports out-of-band WUS includes two situations, namely, the access device supports out-of-band WUS and in-band WUS; the access device supports out-of-band WUS but not in-band WUS; the terminal device supports out-of-band WUS including two In this case, the terminal device supports out-of-band WUS and in-band WUS, and the terminal device supports out-of-band WUS but not in-band WUS.
  • the access device can send a sleep signal for instructing the terminal device to enter the in-band sleep mode.
  • the terminal device After the terminal device receives the sleep signal, Enter the in-band sleep mode, that is, the main transceiver of the terminal device does not monitor the PDCCH, but only monitors WUS. You can turn off some RF and monitor the in-band WUS through the main transceiver to reduce the power consumption of the terminal device.
  • the terminal device including WUR turns off WUR.
  • the access device supports out-of-band WUS and out-of-band WUS, and the power saving indication information corresponds to the sleep mode.
  • the access device can determine the power saving of the terminal device through the correspondence between the power saving indication information and the sleep mode.
  • the sleep mode corresponding to the electricity indication information.
  • the access device supports out-of-band WUS and out-of-band WUS.
  • the access device can also determine the sleep mode of the terminal device according to the service type of the terminal device and the power saving indication information, so that the access device can
  • the power-saving capabilities and business requirements of the equipment control the terminal equipment to enter an appropriate sleep mode, thereby reducing the power consumption of the terminal equipment on the basis of ensuring the business requirements.
  • the access device supports out-of-band WUS and out-of-band WUS, and the terminal device also supports in-band WUS and out-of-band WUS.
  • the access device can also determine the sleep mode of the terminal device according to the service type of the terminal device. For example, for real-time For demanding services and/or services whose data packet interval is less than a preset threshold, the access device can send a sleep signal to the terminal device to instruct the terminal device to enter the in-band sleep mode, so that the terminal device can quickly restore the data communication connection .
  • FIG. 3B it is a schematic flowchart of another method for reducing power consumption of a terminal according to an embodiment of this application.
  • the method may also include the following steps:
  • a specific implementation of S321 may include but is not limited to the following steps:
  • S3122 The terminal device receives the wake-up signal, and wakes up the terminal device according to the wake-up signal.
  • the access device can identify whether the terminal device needs to wake up. For example, when the access device receives data sent by the core network device to the terminal device or receives a call request sent by other terminals, it can identify that the terminal device needs to wake up; and For example, when the access device receives data sent by the core network device to the terminal device and the service type of the data is a service with high real-time requirements and/or a service with a data packet interval less than a preset threshold, it is identified as the terminal device needs wake. It is not limited to the above-mentioned method for determining whether the terminal device needs to be awakened, and other methods for determining may also be included, which will not be repeated here.
  • the access device sends out-of-band WUS to the WUR of the terminal device.
  • the terminal device monitors the out-of-band WUS through the WUR, it wakes up the main transceiver of the terminal device.
  • the access device when the terminal device is in the in-band sleep mode, the access device sends in-band WUS to the terminal device. After the terminal device monitors the in-band WUS through the main transceiver, it wakes up other functional modules of the main transceiver of the terminal device.
  • the power saving capability of the terminal device may change, and the terminal device can recognize the power saving capability of the terminal device in real time.
  • the method may further include the following steps before step S302 or before the terminal device is awakened after entering the sleep mode:
  • the terminal device After the terminal device recognizes the change in its power saving capability, the terminal device sends the changed power saving indication information to the access device.
  • the changed power saving indication information is used to indicate the WUS that the terminal device can support after its power saving capability is changed.
  • the terminal device when the terminal device detects a WUR transmission failure, its power saving capability changes, and it no longer supports out-of-band WUS; the current remaining power of the terminal device is less than the preset power (such as 20%, 15%, etc.) or the terminal device enters In the super power saving mode, the terminal device determines that its power saving capability has changed, for example, it only supports out-of-band WUS.
  • the preset power such as 20%, 15%, etc.
  • the terminal device when the terminal device can set its remaining power to be less than the preset power or when the terminal device enters the super power saving mode, the terminal device can change its power saving capability so that the access device can control it to enter a sleep mode with less power consumption For example, its power saving capability has changed to only support out-of-band WUS, so that the access device controls the terminal device to enter the out-of-band sleep mode, further reducing the power consumption of the terminal device.
  • the access device can determine that the sleep mode corresponding to the changed power saving indication information is different from what the terminal device is currently in. Whether the sleep modes are consistent or not, if they are inconsistent, the access device sends to the terminal device a sleep signal for instructing it to enter the sleep mode corresponding to the changed power saving instruction information, so that the terminal device enters the sleep mode corresponding to the changed power saving instruction information Sleep signal in sleep mode to reduce the power consumption of the terminal device.
  • FIG. 4 a schematic structural diagram of a device for reducing power consumption of a terminal provided by an embodiment of this application.
  • the device 40 can be applied to the access device 210 in the communication system 20 shown in FIG. It can include some or all of the following units:
  • the receiving unit 401 is configured to receive power saving indication information sent by a terminal device, where the power saving indication information is used to indicate the power saving capability of the terminal device;
  • the determining unit 402 is configured to determine the sleep mode of the terminal device according to the power saving instruction information when the terminal device is idle;
  • the sending unit 403 is configured to send a sleep signal to the terminal device, where the sleep signal is used to instruct the terminal device to enter the sleep mode.
  • the device 40 may further include:
  • the waking unit 404 is configured to wake up the terminal device according to the power saving instruction information when the terminal device needs to be awakened.
  • the power saving indication information is specifically used to indicate the WUS supported by the terminal device, and the wake-up unit 404 is specifically used to:
  • the out-of-band WUS is sent to the wake-up transceiver (WUR) of the terminal device, so that the WUR of the terminal device receives the Wake up the main transceiver of the terminal device after out-of-band WUS; or,
  • the in-band WUS is sent to the master transceiver (MR) of the terminal device so that the terminal device’s
  • the MR wakes up the main transceiver of the terminal device after receiving the in-band WUS.
  • the determining unit 402 is specifically configured to:
  • the sleep mode of the terminal device is determined according to the service type of the terminal device and the power saving indication information.
  • the sleep mode includes an out-of-band sleep mode and an in-band sleep mode, wherein the terminal device is in the in-band sleep mode, and the main transceiver of the terminal device monitors the wake-up signal ;
  • the terminal device is in the out-of-band sleep mode, the main transceiver of the terminal device is turned off, and the WUR of the terminal device is turned on.
  • the receiving unit 401 is specifically configured to:
  • FIG. 5A and FIG. 5B this is a schematic structural diagram of a device for reducing power consumption of a terminal according to an embodiment of the present application.
  • the device 51 and the device 52 can be respectively applied to the terminal in the communication system 20 shown in FIG.
  • the device 220 or 230, the device 51 or the device 52 may include some or all of the following units:
  • the determining unit 501 is configured to determine power saving indication information according to a wake-up signal supported by the terminal device, where the power saving indication information is used to indicate the power saving capability of the terminal device;
  • the sending unit 502 is configured to send the power-saving instruction information to the access device, so that the access device determines the sleep mode of the terminal device according to the power-saving instruction information when the terminal device is idle and sends it to the terminal device.
  • the terminal device sends a sleep signal;
  • the receiving unit 503 is configured to receive the sleep signal
  • the sleep unit 504 is configured to control the terminal device to enter the sleep mode according to the sleep signal after the receiving unit 503 receives the sleep signal.
  • the power saving indication information is specifically used to indicate the WUS supported by the terminal device, and the apparatus 51 further includes:
  • the first wake-up unit 505 is configured to receive the out-of-band WUS sent by the access device at the wake-up transceiver (WUR) of the terminal device, and wake up the terminal device according to the out-of-band WUS, wherein the band The out-of-band WUS is sent by the access device to the WUR of the terminal device when the power saving instruction information indicates that the terminal device supports out-of-band WUS.
  • WUR wake-up transceiver
  • the power saving indication information is specifically used to indicate the WUS supported by the terminal device, and the apparatus 52 further includes:
  • the second wake-up unit 506 is configured to receive the in-band WUS sent by the access device at the main transceiver (MR) of the terminal device, and wake up the terminal device according to the in-band WUS, wherein the in-band WUS WUS is sent by the access device to the WUR of the terminal device when the power saving indication information indicates that the terminal device supports in-band WUS but does not support out-of-band WUS.
  • MR main transceiver
  • the sleep mode is determined by the access device according to the service type of the terminal device and the power saving indication information when the terminal device is idle.
  • the sleep mode includes an out-of-band sleep mode and an in-band sleep mode, wherein the terminal device is in the in-band sleep mode, and the main transceiver of the terminal device monitors the wake-up signal ;
  • the terminal device is in the out-of-band sleep mode, the main transceiver of the terminal device is turned off, and the WUR of the terminal device is turned on.
  • the sending unit 503 is further configured to:
  • the changed power saving indication information is sent to the access device, where the changed power saving indication information is used to indicate the changed power saving of the terminal device ability.
  • the sending unit 503 is specifically configured to:
  • the power saving indication information is received and sent to the access device through one of RRC message, L1 signaling, uplink data piggybacking, and L2 signaling.
  • FIG. 6 is a schematic diagram of the hardware structure of another device for reducing power consumption of a terminal in an embodiment of the present invention.
  • the apparatus 600 for reducing power consumption of a terminal shown in FIG. 6 includes one or more memories 601, one or more processors 602, a transceiver 603, and a bus 604. Among them, one or more memories 601, one or more processors 602, and transceivers 603 implement communication connections between each other through a bus 604.
  • the memory 601 may be a read only memory (Read Only Memory, ROM), a static storage device, a dynamic storage device, or a random access memory (Random Access Memory, RAM).
  • the memory 601 may store a program. When the program stored in the memory 601 is executed by the processor 602, the processor 602 and the transceiver 603 are used to execute the neural network compression steps in the third and fourth embodiments of the present application.
  • the processor 602 may adopt a general-purpose central processing unit (Central Processing Unit, CPU), a microprocessor, an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), a graphics processing unit (graphics processing unit, GPU), or one or more
  • the integrated circuit is used to execute related programs to realize the functions required by the units in the neural network compression device of the embodiment of the present application, or to execute the neural network compression method of the method embodiment of the present application.
  • the processor 602 may also be an integrated circuit chip with signal processing capability. In the implementation process, each step of the neural network compression method of the present application can be completed by the integrated logic circuit of hardware in the processor 602 or instructions in the form of software.
  • the aforementioned processor 602 may also be a general-purpose processor, a digital signal processor (Digital Signal Processing, DSP), an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other programmable logic devices , Discrete gates or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processing
  • ASIC application specific integrated circuit
  • FPGA off-the-shelf programmable gate array
  • FPGA Field Programmable Gate Array
  • the method for reducing power consumption of the terminal disclosed in the embodiments of the present application and the steps executed by the access device in the logical block diagram can be implemented or executed.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application can be directly embodied as being executed and completed by a hardware decoding processor, or executed and completed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a mature storage medium in the field, such as random access memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable memory, registers.
  • the storage medium is located in the memory 601, and the processor 602 reads the information in the memory 601 and, in combination with its hardware, completes the functions required by the units included in the device 400 for reducing terminal power consumption in this embodiment of the application, or executes the method implementation of the application The steps performed by the access device in the example.
  • the transceiver 603 is used to implement data interaction with terminal equipment, core network equipment or other equipment.
  • the transceiver 603 may be used to receive, obtain, or send data, such as receiving power saving instruction information sent by the terminal device, and sending a sleep signal or wake-up signal to the terminal device.
  • the bus 604 may include a path for transferring information between various components of the device 600 (for example, the memory 601, the processor 602, and the transceiver 603).
  • the receiving unit 401 and the sending unit 402 in the apparatus 400 for reducing power consumption of a terminal may be equivalent to the transceiver 603 in the apparatus 40 for reducing power consumption of a terminal, and the determining unit 402 in the apparatus 40 may be equivalent to the processor 602.
  • FIG. 7 is a schematic block diagram of another apparatus for reducing power consumption of a terminal in an embodiment of the present invention.
  • the apparatus 700 for reducing power consumption of a terminal shown in FIG. 7 includes one or more A memory 701, a baseband chip 702, a radio frequency module 703, a peripheral system 704 and a sensor 705.
  • the baseband chip 702 includes one or more processors 7021, such as a CPU, a clock module 7022, and a power management module 7023; the peripheral system 704 includes a camera 7041, an audio module 7042, a touch screen 7043, etc., further, the sensor 705 may include a light sensor 7051, acceleration sensor 7052, fingerprint sensor 7053, etc.; modules included in peripheral system 704 and sensor 705 can be increased or decreased according to actual needs.
  • processors 7021 such as a CPU, a clock module 7022, and a power management module 7023
  • the peripheral system 704 includes a camera 7041, an audio module 7042, a touch screen 7043, etc.
  • the sensor 705 may include a light sensor 7051, acceleration sensor 7052, fingerprint sensor 7053, etc.; modules included in peripheral system 704 and sensor 705 can be increased or decreased according to actual needs.
  • bus which can be an industry standard architecture (English: industry standard architecture, abbreviated as: ISA) bus, and external device interconnection (English: peripheral component interconnect, abbreviated as: PCI) Bus or extended standard architecture (English: extended industry standard architecture, EISA for short) bus, etc.
  • ISA industry standard architecture
  • PCI peripheral component interconnect
  • EISA extended industry standard architecture
  • the radio frequency module 703 may include an antenna and a main transceiver 7031 (including a modem).
  • the main transceiver 7031 is used to convert electromagnetic waves received by the antenna into electric current and finally into a digital signal. Accordingly, the main transceiver 7031 is also used for The digital signal to be output by the mobile phone is converted into electric current and then converted into electromagnetic waves, and finally the electromagnetic waves are emitted into free space through the antenna.
  • the radio frequency module 703 may also include at least one amplifier for amplifying signals.
  • the radio frequency module 703 can be used for wireless transmission, such as Bluetooth (English: Bluetooth) transmission, wireless assurance (English: Wireless-Fidelity, abbreviation: WI-FI) transmission, third-generation mobile communication technology (English: 3rd -Generation (abbreviation: 3G) transmission, fourth-generation mobile communication technology (English: the 4th Generation mobile communication, abbreviation: 4G) transmission, etc.
  • wireless transmission such as Bluetooth (English: Bluetooth) transmission, wireless assurance (English: Wireless-Fidelity, abbreviation: WI-FI) transmission, third-generation mobile communication technology (English: 3rd -Generation (abbreviation: 3G) transmission, fourth-generation mobile communication technology (English: the 4th Generation mobile communication, abbreviation: 4G) transmission, etc.
  • the radio frequency module 703 may also include WUR7032 (including a modem), which is used to receive out-of-band WUS or hibernation signals, and can also be used to send power-saving instructions.
  • WUR7032 is used to convert the electromagnetic wave received by the antenna into electric current and finally into a digital signal.
  • the WUR7032 is also used to convert the digital signal to be output by the mobile phone into electric current and then into electromagnetic waves.
  • the electromagnetic wave is emitted into free space.
  • the main transceiver 7031 and the WUR 7032 may share an antenna, or may share part of the antenna, or not share the antenna, which is not limited.
  • the device 700 when the device 700 is idle, turn off the main transceiver 7031, turn on WUR7032, and monitor the out-of-band WUS sent by the access device through WUR7032. After the device 700 receives the out-of-band WUS, WUR7032 can wake up the main The transceiver 7031 makes the main transceiver 7031 enter the normal working state.
  • the radio frequency module 703 may only include the main transceiver 7031.
  • the main transceiver 7031 is controlled to enter the normal sleep state.
  • the main transceiver 7031 can only monitor the in-band WUS. After receiving the in-band WUS, the main transceiver 7031 is awakened, so that the main transceiver 7031 enters a normal working state.
  • the touch screen 7043 can be used to display information input by the user or show information to the user.
  • the touch screen 7043 can include a touch panel and a display panel.
  • a liquid crystal display (English: Liquid Crystal Display, abbreviated: LCD) can be used.
  • Organic Light-Emitting Diode (English: Organic Light-Emitting Diode, referred to as OLED) and other forms to configure the display panel.
  • the touch panel can cover the display panel. When the touch panel detects a touch operation on or near it, it transmits it to the processor 7021 to determine the type of the touch event, and then the processor 7021 displays the touch event according to the type of the touch event. Corresponding visual output is provided on the panel.
  • the touch panel and the display panel are used as two independent components to realize the input and output functions of the terminal 700. However, in some embodiments, the touch panel and the display panel may be integrated to realize the input and output functions of the terminal 700.
  • the camera 7041 is used to obtain images.
  • the audio input module 7042 may specifically be a microphone, which can acquire voices.
  • the sensor 705 may include a light sensor 7051, an acceleration sensor 7052, and a fingerprint sensor 7052.
  • the light sensor 7051 is used to obtain the light intensity of the environment, and the acceleration sensor 7052 (such as a gyroscope) can obtain the movement status of the terminal 700.
  • the fingerprint sensor 7053 can input fingerprint information; the sensor 705 senses the relevant signal and quantizes the signal into a digital signal and transmits it to the processor 7021 for further processing.
  • the memory 701 may be a high-speed RAM memory, or a non-volatile memory (non-volatile memory), such as at least one disk memory.
  • the memory 701 may also include at least one storage device located far away from the aforementioned processor 7021.
  • the memory 701 may specifically include a storage instruction area and a storage data area.
  • the storage instruction area may store an operating system, a user interface program, and a communication interface. Programs and other programs, the data storage area can store the data required by the processing in the execution of related operations, or the data generated by the execution of related operations.
  • the processor 7021 is the control center of the terminal 700. It uses various interfaces and lines to connect various parts of the entire mobile phone, and executes various functions of the terminal 700 by running programs stored in the memory 701 and calling data stored in the memory 701 .
  • the processor 7021 may include one or more application processors, and the application processors mainly process an operating system, a user interface, an application program, and the like.
  • the processor 7021 reads the information in the memory 701, and in combination with its hardware, completes the functions required by the units included in the device 51 or 52 for reducing terminal power consumption in the embodiments of the present application, or executes the present application The method for reducing the power consumption of the terminal of the method embodiment.
  • the user realizes the communication function of the terminal 700 through the radio frequency module 703.
  • the terminal 700 can receive the sleep signal and/or wake-up signal sent by the access device 210 and the device 40 for reducing power consumption of the terminal, and send it to the access device 210 and lower the terminal 700.
  • the power-consuming device 40 sends power-saving instruction information or other data.
  • the devices 600 and 700 shown in FIG. 6 and FIG. 7 only show a memory, a processor, and a transceiver, in the specific implementation process, those skilled in the art should understand that the devices 400 and 700 also include implementations. Other devices necessary for normal operation. At the same time, according to specific needs, those skilled in the art should understand that the devices 600 and 700 may also include hardware devices that implement other additional functions. In addition, those skilled in the art should understand that the apparatuses 600 and 700 may also only include the necessary devices for implementing the embodiments of the present application, and not necessarily all the devices shown in FIG. 6 and FIG. 7.
  • the apparatus 600 is equivalent to the access device 170 in FIG. 2, and the apparatus 700 is equivalent to the terminal device 220 or 230 in FIG. 2, and so on.
  • a person of ordinary skill in the art may realize that the units and algorithm steps of the examples described in combination with the embodiments disclosed herein can be implemented by electronic hardware or a combination of computer software and electronic hardware. Whether these functions are performed by hardware or software depends on the specific application and design constraint conditions of the technical solution. Professionals and technicians can use different methods for each specific application to implement the described functions, but such implementation should not be considered beyond the scope of this application.
  • the computer-readable medium may include a computer-readable storage medium, which corresponds to a tangible medium, such as a data storage medium, or a communication medium that includes any medium that facilitates the transfer of a computer program from one place to another (for example, according to a communication protocol) .
  • a computer-readable medium may generally correspond to (1) a non-transitory tangible computer-readable storage medium, or (2) a communication medium, such as a signal or carrier wave.
  • Data storage media may be any available media that can be accessed by one or more computers or one or more processors to retrieve instructions, codes, and/or data structures for implementing the techniques described in this application.
  • the computer program product may include a computer-readable medium.
  • such computer-readable storage media may include RAM, ROM, EEPROM, CD-ROM or other optical disk storage devices, magnetic disk storage devices or other magnetic storage devices, flash memory, or structures that can be used to store instructions or data Any other media that can be accessed by the computer in the form of desired program code. And, any connection is properly termed a computer-readable medium.
  • any connection is properly termed a computer-readable medium.
  • coaxial cable, fiber optic cable, twisted pair, digital subscriber line (DSL), or wireless technologies such as infrared, radio, and microwave to transmit instructions from a website, server, or other remote source
  • coaxial cable Wire, fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared, radio, and microwave are included in the definition of media.
  • the computer-readable storage media and data storage media do not include connections, carrier waves, signals, or other temporary media, but are actually directed to non-transitory tangible storage media.
  • magnetic disks and optical disks include compact disks (CDs), laser disks, optical disks, digital versatile disks (DVD) and Blu-ray disks, where disks usually reproduce data magnetically, while optical disks use lasers to reproduce data optically data. Combinations of the above should also be included in the scope of computer-readable media.

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Abstract

本发明实施例公开了一种降低终端功耗的方法、装置及设备，该方法包括：终端设备向接入设备发送用于指示其省电能力的省电指示信息；接入设备在接收到该省电指示信息后，在终端设备空闲的情况下，根据省电指示信息确定终端设备的休眠模式；进而，接入设备向终端设备发送休眠信号，以指示终端设备进入该休眠模式。本申请实施例提供的方法，终端设备可以向接入设备上报其省电能力，进而，接入设备可以基于终端设备的省电能力自适应选择合适的休眠模式，以自适应降低终端设备的功耗。

Description

降低终端功耗的方法、装置及设备
本申请要求于2019年09月30日提交中国专利局、申请号为201910948648.4、申请名称为“降低终端功耗的方法、装置及设备”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
本发明涉及终端技术领域，尤其涉及一种降低终端功耗的方法、装置及设备。
背景技术
目前通信网络中，用户设备(user equipment，UE)，也即终端设备，与接入设备通信期间所做的大部分物理下行控制信道(physical uplink control channel，PDCCH)监听是没有检测到任何针对自己的指示的，且这些PDCCH监听贡献了相当大的UE耗电，在通信系统中，UE大部分时间处于空闲(idle)或待用(inactvie)状态，传统的非连续接收模式(discontinuous reception，DRX)周期唤醒UE监听PDCCH，但不一定需要UE进行数据接收或发送，导致没必要的耗电。
目前，在UE处于空闲状态是，可以关闭UE的主收发机，通过唤醒收发机(wake-up radio，WUR)来监听接入设备发送的唤醒信号(wake-up signal，WUS)或休眠信号，该方法可以有效降低UE的功耗，然而，各个UE的硬件条件不同，上述方法不适用于不包括WUR的UE。
发明内容
本发明实施例提供一种降低终端功耗的方法、装置及设备，可以根据终端的省电能力自适应调整采用的休眠模式。
第一方面，本发明实施例提供了一种降低终端功耗的方法，包括：接入设备接收由终端设备发送的省电指示信息，该省电指示信息用于指示终端设备的省电能力；在终端设备空闲的情况下，接入设备根据省电指示信息确定终端设备的休眠模式；进而，接入设备向终端设备发送休眠信号，休眠信号用于指示终端设备进入休眠模式。
上述方法提供一种自适应省电机制，终端设备可以向接入设备上报其省电能力，进而，接入设备可以基于终端设备的省电能力选择合适的休眠模式，以自适应降低终端设备的功耗。
结合第一方面，在一种可能的实现方式中，该方法还包括：在终端设备需要唤醒时，接入设备根据省电指示信息唤醒终端设备。
结合第一方面，在又一种可能的实现方式中，该省电指示信息具体用于指示终端设备支持的WUS，在终端设备需要唤醒时，接入设备根据省电指示信息唤醒终端设备的一种实现方式可以是：
在省电指示信息指示终端设备支持带外WUS的情况下，接入设备向终端设备的唤醒收发机(WUR)发送带外WUS，以使终端设备的WUR在接收到带外WUS后，唤醒终端 设备的主收发机(MR)；或，
在省电指示信息指示终端设备支持带内WUS但不支持带外WUS的情况下，接入设备向终端设备的主收发机(MR)发送带内WUS，以使终端设备的MR在接收到带内WUS后，唤醒终端设备的主收发机。
结合第一方面，在又一种可能的实现方式中，在终端设备空闲时，在终端设备空闲的情况下，接入设备根据省电指示信息确定终端设备的休眠模式的一种实现方式可以包括：
在终端设备空闲的情况下，接入设备根据终端设备的业务类型和省电指示信息确定终端设备的休眠模式。
结合第一方面，在又一种可能的实现方式中，休眠模式包括带外休眠模式和带内休眠模式，其中，终端设备在带内休眠模式下，终端设备的主收发机监听唤醒信号；终端设备在带外休眠模式下，终端设备的主收发机关闭，终端设备的WUR开启。
结合第一方面，在又一种可能的实现方式中，接入设备接收由终端设备发送的省电指示信息的一种实现方式可以包括：
接入设备接收终端设备通过RRC消息、L1信令、上行数据捎带和L2信令中的一种发送的省电指示信息。
第二方面，本申请实施例还提供了一种降低终端功耗的方法，包括：终端设备根据终端设备支持的唤醒信号确定省电指示信息，该省电指示信息用于指示终端设备的省电能力；进而，终端设备向接入设备发送省电指示信息，以使接入设备在终端设备空闲时根据省电指示信息确定终端设备的休眠模式并向终端设备发送休眠信号；从而，终端设备在接收到休眠信号后，根据休眠信号控制终端设备进入休眠模式。
结合第二方面，在一种可能的实现方式中，省电指示信息具体用于指示终端设备支持的WUS，该方法还可以包括：
终端设备的唤醒收发机(WUR)接收接入设备发送的带外WUS，带外WUS是由接入设备在省电指示信息指示终端设备支持带外WUS的情况下向终端设备的WUR发送的；
终端设备根据带外WUS唤醒终端设备的主收发机(MR)。
结合第二方面，在又一种可能的实现方式中，省电指示信息具体用于指示终端设备支持的WUS，该方法还可以包括：
终端设备的主收发机(MR)接收接入设备发送的带内WUS，带内WUS是由接入设备在省电指示信息指示终端设备支持带内WUS但不支持带外WUS的情况下向终端设备的主收发机(MR)发送的；
终端设备根据带内WUS唤醒终端设备的主收发机(MR)。
结合第一方面，在又一种可能的实现方式中，休眠模式是由接入设备在终端设备空闲的情况下根据终端设备的业务类型和省电指示信息确定的。
结合第一方面，在又一种可能的实现方式中，休眠模式包括带外休眠模式和带内休眠模式，其中，终端设备在带内休眠模式下，终端设备的主收发机监听唤醒信号；终端设备在带外休眠模式下，终端设备的主收发机关闭，终端设备的WUR开启。
结合第一方面，在又一种可能的实现方式中，该方法还可以包括：
终端设备在检测到终端设备的省电能力变化时，向接入设备发送变化后的省电指示信 息，变化后的省电指示信息用于指示终端设备变化后的省电能力。
结合第一方面，在又一种可能的实现方式中，终端设备向接入设备发送省电指示信息的一种实现方式可以包括：
终端设备通过RRC消息、L1信令、上行数据捎带和L2信令中的一种向接入设备接收发送省电指示信息。
第三方面，本申请实施例还提供了一种降低终端功耗的装置，应用于接入设备，包括：
接收单元，用于接收由终端设备发送的省电指示信息，所述省电指示信息用于指示所述终端设备的省电能力；
确定单元，用于在所述终端设备空闲的情况下，根据所述省电指示信息确定所述终端设备的休眠模式；
发送单元，用于向所述终端设备发送休眠信号，所述休眠信号用于指示所述终端设备进入所述休眠模式。
可选地，该装置还可以包括其他用于实现如第一方面任一种实现方式所示的降低终端功耗的方法的单元，具体可参见上述第一方面中相关描述，此处不再赘述。
第四方面，本申请实施例还提供了一种降低终端功耗的装置，应用于终端设备，包括：
确定单元，用于根据所述终端设备支持的唤醒信号确定省电指示信息，所述省电指示信息用于指示所述终端设备的省电能力；
发送单元，用于向接入设备发送所述省电指示信息，以使所述接入设备在所述终端设备空闲时根据所述省电指示信息确定所述终端设备的休眠模式并向所述终端设备发送休眠信号；
休眠单元，用于在接收到所述休眠信号后，根据所述休眠信号控制所述终端设备进入所述休眠模式。
可选地，该装置还可以包括其他用于实现如第二方面任一种实现方式所示的降低终端功耗的方法的单元，具体可参见上述第二方面中相关描述，此处不再赘述。
第五方面，本申请实施例还提供了一种接入设备，包括：一个或多个处理器、一个或多个存储器、收发机，其中，所述收发机用于与终端设备进行数据交互，所述一个或多个存储器与所述一个或多个处理器耦合，所述一个或多个存储器用于存储计算机程序代码，所述计算机程序代码包括计算机指令，当所述一个或多个处理器执行所述计算机指令时，所述接入设备执行如第一方面或第一方面的任一种实现方式所述的降低终端功耗的方法。
第六方面，本申请实施例还提供了一种终端设备，包括：一个或多个处理器、一个或多个存储器、主收发机，其中，所述主收发机用于与接入设备进行数据交互，所述一个或多个存储器与所述一个或多个处理器耦合，所述一个或多个存储器用于存储计算机程序代码，所述计算机程序代码包括计算机指令，当所述一个或多个处理器执行所述计算机指令时，所述终端设备执行如第二方面或第二方面的任一种实现方式所述的降低终端功耗的方法。
第七方面，本申请实施例还提供了一种计算机可读存储介质，所述计算机可读存储介质中存储有计算机可执行指令，所述计算机可执行指令在被所述计算机调用时用于使所述 计算机执行第二方面或第二方面的任一种实现方式所述的降低终端功耗的方法。
第八方面，本申请实施例还提供了一种计算机可读存储介质，所述计算机可读存储介质中存储有计算机可执行指令，所述计算机可执行指令在被所述计算机调用时用于使所述计算机执行第二方面或第二方面的任一种实现方式所述的降低终端功耗的方法。
附图说明
为了更清楚地说明本发明实施例的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本申请实施例提供的一种带内WUS和带外WUS的示意性说明图；
图2是本申请实施例提供的一种通信系统的架构示意图；
图3A是本申请实施例提供的一种降低终端功耗的方法的流程示意图；
图3B是本申请实施例提供的另一种降低终端功耗的方法的流程示意图；
图4是本申请实施例提供的一种降低终端功耗的装置的结构示意图；
图5A是本申请实施例提供的另一种降低终端功耗的装置的结构示意图；
图5B是本申请实施例提供的又一种降低终端功耗的装置的结构示意图；
图6是本申请实施例提供的又一种降低终端功耗的装置的结构示意图；
图7是本申请实施例提供的又一种降低终端功耗的装置的结构示意图。
具体实施方式
首先对本申请实施例涉及的部分关键术语进行说明。
(1)、终端设备，也称为用户设备(user equipment，UE)，是一种向用户提供数据连通性的设备，例如，具有无线连接功能的手持式设备、车载设备、可穿戴设备、计算设备、移动台(mobile station，MS)或连接到无线调制解调器的其他处理设备等，以及经接入网与一个或多个核心网进行通信的移动终端；又例如，所述终端设备可以为手机、平板电脑、笔记本电脑、个人数字助理(personal digital assistant，PDA)、销售终端(point of sales，POS)、车载电脑等。
(2)、接入设备，可以是基站(base station，BS)，是为终端设备提供无线接入服务的设备。其中，包括但不限于：演进型节点B(evolved Node B，eNB)、无线网络控制器(radio network controller，RNC)、节点B(Node B，NB)、基站控制器(base station controller，BSC)、基站收发台(base transceiver station，BTS)、家庭基站(例如，home evolved NodeB，或home Node B，HNB)、基带单元(base band unit，BBU)、接入点(access point，AP)、无线接入点(wireless fidelity access point，WiFi AP)、全球微波互联接入(worldwide interoperability for microwave access，WiMAX)BS等。
(3)主收发机(main radio，MR)
主收发机可以是主无线电接口，终端设备中的主收发机主要用于与接入设备进行交互通信，例如，获取核心网设备通过接入设备下发的下行数据，以及接收其他网络设备发来 的结构复杂的消息等，以及向接入设备发送数据以及其它各种消息。
(4)、唤醒接收机(wake-up receiver，WUR)
为了实现在终端设备空闲时，高功率的主收发机的休眠，终端设备内部设置了低功耗接收机，即WUR，用于接收一些比较简单的信号。例如，处于激活状态的WUR在周期内接收接入设备发送的唤醒信号(wake-up signal，WUS)，唤醒终端设备的主接口。
(5)、唤醒信号(wake-up signal，WUS)、带内WUS和带内WUS
本申请各个实施例中，唤醒信号为接入设备发送给终端设备的，用户据此唤醒终端设备的信号。以是否通过WUR唤醒，可以将唤醒信号分为两种，分别是带内WUS和带外WUS。如图1所示，带内WUS是接入设备的主收发机发送至终端设备的主收发机的WUS；带外WUS是接入设备的主收发机发送至终端设备的WUR的WUS。
可见，只有终端设备包括WUR时，接入设备才可以向其发送带外WUS。不包括WUR的终端设备只能接收带内WUS，即通过主收发机接收WUS。
(6)省电指示信息
本申请各个实施例中省电能力指示信息，也可以称为省电能力IE(information element)，用于指示发送该省电能力指示信息的终端设备支持的WUS信号，也可以说，用于指示发送该省电能力指示信息的终端设备的省电能力。
(7)休眠模式
应理解，终端设备中包括多个功能模块，为降低终端设备的功耗，在终端设备空闲时，休眠模式规定了终端设备中那些模块/器件工作以及那些模块/器件不工作。其中，在一些场景中，休眠可以分为深度休眠(deep sleep)和普通休眠。应理解，器件处于深度休眠比普通休眠的功耗更低，普通休眠比无休眠的功耗更低。
其中，终端设备的省电能力可以与休眠模式相对应。例如，包括WUR的终端设备的休眠模式可以是主收发机进入深度休眠(如主收发机关闭，即无线调制解调器(modem)关闭，主收发机对应的射频(RF)模块关闭)，WUR激活状态。又例如，不包括WUR的终端设备的休眠模式可以是主收发机进入普通休眠，如主收发机不关闭，但不进行PDCCH监听，仅监听带内WUS。
在本申请的一种可能的实现中，若以WUS信号进行划分，休眠模式可以分为带内休眠模式和带外休眠模式。其中，在带内休眠模式下，主收发机切换到普通休眠状态的具体表现可以为，主收发机的modem不进行PDCCH监听，仅监听WUS；又例如，在带外WUS休眠模式下，主收发机切换到深度休眠状态(具体表现可以为主收发机的电路关闭，不产生任何功耗)，WUR工作，监听WUS。
如图2所示，为本申请实施例提供的一种通信系统的架构图，该通信系统20可以包括接入设备210和至少一个终端设备。终端设备也称用户终端(user equipment，UE)，例如通信系统20包括终端设备220、终端设备230。接入设备210可以包括收发机211，该收发机211用于与通信系统中的至少一个终端设备220进行信息交互。各个终端设备的省电能力可以相同或不同。例如，终端设备220包括主收发机221和唤醒接收机(wake-up receiver，WUR)222，该终端设备220支持带内唤醒信号(wake-up signal，WUS)和带外WUS；终 端设备230包括主发射机231，而不包括WUR，该终端支持带内WUS，不支持带外WUS。应理解，图2以终端设备220和终端设备230为例来说明，应理解，该通信系统20还可以包括其他终端设备，例如具备主收发机和WUR且仅支持带内WUS的终端设备，包括主收发机和WUR且带外WUS、带内WUS都不支持的终端设备，包括主收发机和WUR且仅支持带外WUS的终端设备，或者，包括主收发机但不支持带内WUS的终端设备等。
终端设备可以向接入设备发送省电指示信息，该省电指示信息用于指示终端设备支持的WUS。
在本申请实施例的一种实现中，接入设备210接收终端设备220发送的省电指示信息Q1，该省电指示信息Q1指示终端设备220支持带内WUS和带外WUS，接入设备210可以在该终端设备220处于空闲状态时，基于该省电指示信息Q1确定其休眠模式，向该终端设备220发送休眠信号S1，以使该终端设备220根据接收到的休眠信号S1进入该省电指示信息Q1对应的休眠模式，如关闭主收发机221，激活WUR处于激活；在接入设备210识别到该终端设备220需要有数据收发时，根据省电指示信息向该终端设备220的WUR222发送带外WUS，以唤醒该终端设备220的主收发机221。
在本申请实施例的一种实现中，接入设备210接收终端设备230发送的省电指示信息Q2，该省电指示信息Q1指示终端设备230支持带内WUS而不支持带外WUS，接入设备210可以基于该省电指示信息Q2在该终端设备230处于空闲状态时，向终端设备230的发送休眠信号S2，以使终端设备230根据接收到的休眠信号S2后，进入该省电指示信息Q2对应的休眠模式，如主收发机221进入深度睡眠，不检测PDCCH。
在一种应用场景中，接入设备210为GSM或CDMA中的基站(Base Transceiver Station，BTS)，还可以是WCDMA中的基站(NodeB)，还可以是LTE中的演进型基站(evolved Node B，eNB或e-NodeB)，还可以是NR中的基站(g-NodeB)终端设备220、230为手机、平板电脑等电子设备。
在另一种应用场景中，发送端设备210为WLAN中的接入点，接收端设备220为终端设备220、230为手机、平板电脑等电子设备。
应理解，本发明实施例的技术方案可以应用于各种通信系统，例如：全球移动通讯(Global System of Mobile communication，GSM)系统、码分多址(Code Division Multiple Access，CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access，WCDMA)系统、通用分组无线业务(General Packet Radio Service，GPRS)、长期演进(Long Term Evolution，LTE)系统、LTE频分双工(Frequency Division Duplex，FDD)系统、LTE时分双工(Time Division Duplex，TDD)、通用移动通信系统(Universal Mobile Telecommunication System，UMTS)、NR通信系统或全球互联微波接入(Worldwide Interoperability for Microwave Access，WiMAX)通信系统等，此处不作限定。
下面介绍本申请实施例涉及的降低终端功耗的方法。
本申请实施例中，提供一种自适应省电机制，终端设备可以向接入设备上报其省电能力，即支持的WUS，进而，接入设备可以基于终端设备的省电能力选择合适的休眠模式，以自适应降低终端设备的功耗。
如图3A所示，为本申请实施例提供的一种降低终端功耗的方法的流程示意图，该方法基于图2所示的通信系统20实现，该方法可以包括但不限于如下部分或全部步骤：
S302：终端设备向接入设备发送的省电指示信息，省电指示信息用于指示终端设备的省电能力，该省电能力具体可以是终端设备支持的唤醒信号(WUS)。
在一些实施例中，唤醒信号(wake-up signal，WUS)包括带内WUS和带内WUS，其中，带内WUS是接入设备的主收发机发送至终端设备的主收发机的WUS；带外WUS是接入设备的主收发机发送至终端设备的WUR的WUS。
在一些实施例中，终端设备的省电能力和省电指示信息的对应关系可以如表1所示：
Figure PCTCN2020116803-appb-000001
表1
应理解，上述对省电指示信息的编码方式仅仅示例性描述。当终端设备的省电能力可分为更多类型时，还可以采用4位二进制编码等，具体根据省电能力的种类而定。不限于表1，本申请还可以包括其他方式的用于指示其省电能力和省电指示信息。
终端设备向接入设备发送的省电指示信息可以包括但不限于如下四种实现方式：
实现方式一：
终端设备的省电指示信息可以通过无线资源控制(Radio Resource Control，RRC)消息，如RRC建立请求消息，上报给接入设备。其中，RRC建立请求消息为终端设备与接入设备之间建立RRC连接的过程中终端设备发送给接入设备的用于向接入设备请求建立通信连接的消息。应理解，任一个终端设备接入一个接入设备时，即该终端设备与该接入设备之间进行通信时，两者之间会建立RRC连接，在终端设备与接入设备之间不再需要进行通信时，则释放该RRC连接。
实现方式二：
终端设备的省电指示信息可以通过物理层信令(也称为第一层(Layer 1，L1)信令)，如物理上行控制信道(Physical Uplink Control Channel，PUCCH)中承载的上行控制信息(Uplink Control Information，UCI)，发送给接入设备。应理解，L1信令的发送周期或者信令周期通常为物理层帧的周期，因此L1信令通常用于实现一些动态的控制，以传递一些变化频繁的信息，在本申请实施例中用于传递省电指示信息，可以在终端的省电能力发生变化时，及时通知到接入设备。
实现方式三：
终端设备的省电指示信息可以捎带在物理上行共享信道(physical UL shared channel，PUSCH)承载的上行数据中，发送给接入设备。
实现方式四：
终端设备的省电指示信息可以使用第二层(Layer 2，L2)信令，如媒体访问控制(Media  Access Control，MAC)层信令(例如，MAC帧的帧头中的帧控制(Frame Control)字段中携带的信令、或MAC控制实体(Control Entity，MAC-CE)等),发送给接入设备。
需要说明的是，当通过上述信令/消息来传输终端设备的省电指示信息的情况下，该信令/消息的数据格式发生的变化，其包括用于指示省电指示信息的字段。
不限于上述四种实现方式，终端设备还可以通过其他实现方式将终端设备的省电指示信息发送至接入设备，对此不作限定。
S304：接入设备接收省电指示信息。
应理解，在接入设备接收到承载该省电指示信息的信息/信令后，可以解码该信息/信令，进而，得到省电指示信息，以确定该终端设备的省电能力。
S306：在终端设备空闲时，接入设备根据省电指示信息确定终端设备的休眠模式。
S308：接入设备向终端设备发送休眠信号，该休眠信号用于指示终端设备进入确定的休眠模式。
S310：终端设备接收休眠信号，根据休眠信号控制终端设备进入确定的休眠模式。
具体实现中，接入设备可以识别终端设备的是否处于空闲状态，例如，接入设备在未接收到核心网设备向终端设备发送的数据时，可以认为终端设备处于空闲状态，从而，根据省电指示信息确定终端设备的休眠模式，进一步地，接入设备可以执行S308。
在另一种实现中，不限于上述确定终端设备空闲状态的方式，接入设备还可以通过其他方式识别终端设备的空闲状态，本申请实施例不作限定。
在一些实施例中，接入设备可以根据其支持的WUS、省电指示信息(即终端设备支持的WUS)来确定终端设备的休眠模式。可选地，休眠模式可以包括带内WUS休眠模式和带外WUS休眠模式。
例如，接入设备支持带外WUS，终端设备支持带外WUS，则接入设备可以发送用于指示终端设备进入带外休眠模式的休眠信号，终端设备在接收到该休眠信号后，进入带外休眠模式，即终端设备关闭主收发机(即关闭modem，关闭主收发机对应的RF)，开启WUR，通过WUR来监听带外WUS，以降低终端设备的功耗。其中，接入设备支持带外WUS包括两种情况，分别为接入设备支持带外WUS和带内WUS、接入设备支持带外WUS但不支持带内WUS；终端设备支持带外WUS包括两种情况，分别为终端设备支持带外WUS和带内WUS、终端设备支持带外WUS但不支持带内WUS。
又例如，接入设备只支持带内WUS或终端设备只支持带内WUS，则接入设备可以发送用于指示终端设备进入带内休眠模式的休眠信号，终端设备在接收到该休眠信号后，进入带内休眠模式，即终端设备主收发机不监听PDCCH，仅监听WUS，可以关闭部分RF，通过主收发机来监听带内WUS，以降低终端设备的功耗。可选地，包括WUR的终端设备关闭WUR。
在一些实施例中，接入设备支持带外WUS和带外WUS，省电指示信息与休眠模式相对应，接入设备可以通过省电指示信息与休眠模式的对应关系，来确定终端设备的省电指示信息对应的休眠模式。
在一些实施例中，接入设备支持带外WUS和带外WUS，接入设备还可以根据终端设备的业务类型和省电指示信息确定该终端设备的休眠模式，以使接入设备可以根据终端设 备的省电能力和业务需求来控制终端设备进入合适的休眠模式，从而在保证业务需求的基础上，降低终端设备的功耗。
例如，接入设备支持带外WUS和带外WUS，终端设备也支持带内WUS和带外WUS，接入设备还可以根据终端设备的业务类型来确定终端设备的休眠模式，例如，对于实时性要求高的业务和/或数据包间隔小于预设阈值的业务，接入设备可以向终端设备发送用于指示该终端设备进入带内休眠模式的休眠信号，以使得终端设备可以快速恢复数据通信连接。
如图3B所示，为本申请实施例提供的另一种降低终端功耗的方法的流程示意图，该方法除包括上述S302-S310外，还可包括如下步骤：
S312：在终端设备需要唤醒时，接入设备根据省电指示信息唤醒终端设备。
具体的S321的一种实现方式可以包括但不限于如下步骤：
S3121：在终端设备需要唤醒时，接入设备向终端设备发送确定的休眠模式对应的唤醒信号。
S3122：终端设备接收该唤醒信号，并根据该唤醒信号，唤醒终端设备。
其中，接入设备可以识别终端设备是否需要唤醒，例如，当接入设备接收到核心网设备发送给终端设备的数据或者接收到其他终端发送的呼叫请求时，可以识别该终端设备需要唤醒；又例如，当接入设备接收到核心网设备发送给终端设备的数据且该数据的业务类型为实时性要求较高的业务和/或数据包间隔小于预设阈值的业务，则识别为终端设备需要唤醒。不限于上述终端设备是否需要唤醒的判断方法，还可以包括其他判断方法，此处不再赘述。
例如，在终端设备处于带外休眠模式时，接入设备向终端设备的WUR发送带外WUS，终端设备通过WUR监听到带外WUS后，唤醒终端设备的主收发机。
又例如，在终端设备处于带内休眠模式时，接入设备向终端设备的发送带内WUS，终端设备通过主收发机监听到带内WUS后，唤醒终端设备的主收发机的其他功能模块。
在一些实施例中，终端设备的省电能力可能发生变化，终端设备可以实时识别终端设备的省电能力。该方法在步骤S302之前或在终端设备进入休眠模式之后被唤醒之前，还可以包括如下步骤：
S301：在终端设备识别到其省电能力变化后，终端设备向接入设备发送变化后的省电指示信息。变化后的省电指示信息用于指示终端设备在其省电能力变化后可支持的WUS。
其中，终端设备在检测到WUR发送故障时，其省电能力发生变化，其不再支持带外WUS；终端设备在当前剩余电量小于预设电量(比如20％、15％等)或终端设备进入到超级省电模式，则终端设备确定其省电能力发生变化，例如仅支持带外WUS。通常，在终端设备可以设置其剩余电量小于预设电量时或终端设备进入超级省电模式时，终端设备可以改变其省电能力，以使接入设备可以控制其进入功耗更少的休眠模式，例如，其省电能力变为只支持带外WUS，以使接入设备控制终端设备进入到带外休眠模式，进一步降低终端设备的功耗。
应理解，接入设备在接收到变化后的省电指示信息后，在终端设备处于休眠模式的情况下，接入设备可以判断变化后的省电指示信息对应的休眠模式与终端设备正在处于的休眠模式是否一致，若不一致，则接入设备向终端设备发送用于指示其进入变化后的省电指 示信息对应的休眠模式的休眠信号，以使终端设备进入变化后的省电指示信息对应的休眠模式的休眠信号，以降低终端设备的功耗。
下面介绍本申请实施例涉及的装置、设备。
如图4所示，为本申请实施例提供的一种降低终端功耗的装置的结构示意图，该装置40可以应用于如图2所示的通信系统20中的接入设备210，该装置40可以包括如下部分或全部单元：
接收单元401，用于接收由终端设备发送的省电指示信息，所述省电指示信息用于指示所述终端设备的省电能力；
确定单元402，用于在所述终端设备空闲的情况下，根据所述省电指示信息确定所述终端设备的休眠模式；
发送单元403，用于向所述终端设备发送休眠信号，所述休眠信号用于指示所述终端设备进入所述休眠模式。
在一种可能的实现方式中，所述装置40还可以包括：
唤醒单元404，用于在所述终端设备需要唤醒时，根据所述省电指示信息唤醒所述终端设备。
在一种可能的实现方式中，所述省电指示信息具体用于指示所述终端设备支持的WUS，所述唤醒单元404具体用于：
在所述省电指示信息指示所述终端设备支持带外WUS的情况下，向所述终端设备的唤醒收发机(WUR)发送带外WUS，以使所述终端设备的WUR在接收到所述带外WUS后唤醒所述终端设备的主收发机；或，
在所述省电指示信息指示所述终端设备支持带内WUS但不支持带外WUS的情况下，向所述终端设备的主收发机(MR)发送带内WUS，以使所述终端设备的MR在接收到所述带内WUS后唤醒所述终端设备的主收发机。
在一种可能的实现方式中，所述确定单元402具体用于：
在所述终端设备空闲的情况下，根据所述终端设备的业务类型和所述省电指示信息确定所述终端设备的休眠模式。
在一种可能的实现方式中，所述休眠模式包括带外休眠模式和带内休眠模式，其中，所述终端设备在所述带内休眠模式下，所述终端设备的主收发机监听唤醒信号；所述终端设备在所述带外休眠模式下，所述终端设备的主收发机关闭，所述终端设备的WUR开启。
在一种可能的实现方式中，所述接收单元401具体用于：
接收所述终端设备通过RRC消息、L1信令、上行数据捎带和L2信令中的一种发送的省电指示信息。
上述各个功能单元的具体实现可以参见上述方法实施例中相关描述，本申请实施例不再赘述。
如图5A、图5B所示，为本申请实施例提供的一种降低终端功耗的装置的结构示意图， 该装置51和装置52可以分别应用于如图2所示的通信系统20中的终端设备220或230，该装置51或装置52可以包括如下部分或全部单元：
确定单元501，用于根据所述终端设备支持的唤醒信号确定省电指示信息，所述省电指示信息用于指示所述终端设备的省电能力；
发送单元502，用于向接入设备发送所述省电指示信息，以使所述接入设备在所述终端设备空闲时根据所述省电指示信息确定所述终端设备的休眠模式并向所述终端设备发送休眠信号；
接收单元503，用于接收所述休眠信号；
休眠单元504，用于在接收单元503接收到所述休眠信号后，根据所述休眠信号控制所述终端设备进入所述休眠模式。
在图5A所示的装置51中，所述省电指示信息具体用于指示所述终端设备支持的WUS，所述装置51还包括：
第一唤醒单元505，用于在所述终端设备的唤醒收发机(WUR)接收到所述接入设备发送的带外WUS，根据所述带外WUS唤醒所述终端设备，其中，所述带外WUS是由所述接入设备在所述省电指示信息指示所述终端设备支持带外WUS的情况下向所述终端设备的WUR发送的。
在图5B所示的装置52中，所述省电指示信息具体用于指示所述终端设备支持的WUS，所述装置52还包括：
第二唤醒单元506，用于在所述终端设备的主收发机(MR)接收所述接入设备发送的带内WUS，根据所述带内WUS唤醒所述终端设备，其中，所述带内WUS是由所述接入设备在所述省电指示信息指示所述终端设备支持带内WUS但不支持带外WUS的情况下向所述终端设备的WUR发送的。
在一种可能的实现方式中，所述休眠模式是由所述接入设备在所述终端设备空闲的情况下根据所述终端设备的业务类型和所述省电指示信息确定的。
在一种可能的实现方式中，所述休眠模式包括带外休眠模式和带内休眠模式，其中，所述终端设备在所述带内休眠模式下，所述终端设备的主收发机监听唤醒信号；所述终端设备在所述带外休眠模式下，所述终端设备的主收发机关闭，所述终端设备的WUR开启。
在一种可能的实现方式中，所述发送单元503还用于：
在检测到所述终端设备的省电能力变化时，向所述接入设备发送变化后的省电指示信息，所述变化后的省电指示信息用于指示所述终端设备变化后的省电能力。
在一种可能的实现方式中，所述发送单元503具体用于：
通过RRC消息、L1信令、上行数据捎带和L2信令中的一种向所述接入设备接收发送所述省电指示信息。
上述各个功能单元的具体实现可以参见上述方法实施例中相关描述，本申请实施例不再赘述。
图6为本发明实施例中另一种降低终端功耗的装置的硬件结构示意图。图6所示的降低终端功耗的装置600(该装置600具体可以是一种计算机设备)包括一个或多个存储器601、一个或多个处理器602、收发机603以及总线604。其中，一个或多个存储器601、 一个或多个处理器602、收发机603通过总线604实现彼此之间的通信连接。
存储器601可以是只读存储器(Read Only Memory，ROM)，静态存储设备，动态存储设备或者随机存取存储器(Random Access Memory，RAM)。存储器601可以存储程序，当存储器601中存储的程序被处理器602执行时，处理器602和收发机603用于执行本申请实施例三、实施例四中的神经网络压缩的各个步骤。
处理器602可以采用通用的中央处理器(Central Processing Unit，CPU)，微处理器，应用专用集成电路(Application Specific Integrated Circuit，ASIC)，图形处理器(graphics processing unit，GPU)或者一个或多个集成电路，用于执行相关程序，以实现本申请实施例的神经网络的压缩装置中的单元所需执行的功能，或者执行本申请方法实施例的神经网络的压缩方法。
处理器602还可以是一种集成电路芯片，具有信号的处理能力。在实现过程中，本申请的神经网络的压缩方法的各个步骤可以通过处理器602中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器602还可以是通用处理器、数字信号处理器(Digital Signal Processing，DSP)、专用集成电路(ASIC)、现成可编程门阵列(Field Programmable Gate Array，FPGA)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。可以实现或者执行本申请实施例中的公开的降低终端功耗的方法及逻辑框图中接入设备执行的步骤。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本申请实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成，或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器，闪存、只读存储器，可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器601，处理器602读取存储器601中的信息，结合其硬件完成本申请实施例的降低终端功耗的装置400中包括的单元所需执行的功能，或者执行本申请方法实施例中接入设备执行的步骤。
所述收发机603用于实现与终端设备、核心网设备或其他设备之间的通信进行数据交互。例如，可以通过收发机603接收、获取或发送数据，例如接收终端设备发送的省电指示信息，向终端设备发送休眠信号或唤醒信号等。
总线604可包括在装置600各个部件(例如，存储器601、处理器602、收发机603)之间传送信息的通路。
应理解，降低终端功耗的装置400中的接收单元401、发送单元402可以相当于降低终端功耗的装置40中的收发机603，装置40中的确定单元402可以相当于处理器602。
上述各个功能单元的具体实现可以参见上述方法实施例中相关描述，本申请实施例不再赘述。
图7为本发明实施例中另一种降低终端功耗的装置的示意性框图，图7所示的降低终端功耗的装置700(该装置700具体可以是一种终端设备)包括一个或多个存储器701、基带芯片702、射频模块703、外围系统704和传感器705。基带芯片702包括一个或多个处理器7021，例如CPU，时钟模块7022和电源管理模块7023；外围系统704包括摄像头7041、音频模块7042、触摸显示屏7043等，进一步地，传感器705可以包括光线传感器7051、加速度传感器7052、指纹传感器7053等；外围系统704和传感器705包括的模块可以视 实际需要来增加或者减少。上述任意两个相连接的模块可以具体通过总线相连，该总线可以是工业标准体系结构(英文：industry standard architecture，简称：ISA)总线、外部设备互连(英文：peripheral component interconnect，简称：PCI)总线或扩展标准体系结构(英文：extended industry standard architecture，简称：EISA)总线等。
射频模块703可以包括天线和主收发机7031(包括调制解调器)，该主收发机7031用于将天线接收到的电磁波转换为电流并且最终转换为数字信号，相应地，该主收发机7031还用于将该手机将要输出的数字信号据转换为电流然后转换为电磁波，最后通过该天线将该电磁波发射到自由空间中。射频模块703还可包括至少一个用于放大信号的放大器。通常情况下，可以通过该射频模块703进行无线传输，如蓝牙(英文：Bluetooth)传输、无线保证(英文：Wireless-Fidelity，简称：WI-FI)传输、第三代移动通信技术(英文：3rd-Generation，简称：3G)传输、第四代移动通信技术(英文：the 4th Generation mobile communication，简称：4G)传输等。
在一些装置700中，射频模块703还可以包括WUR7032(包括调制解调器)，用于接收带外WUS或休眠信号，还可以用于发送省电指示信息等。该WUR7032用于将天线接收到的电磁波转换为电流并且最终转换为数字信号，相应地，该WUR7032还用于将该手机将要输出的数字信号据转换为电流然后转换为电磁波，最后通过该天线将该电磁波发射到自由空间中。应理解，主收发机7031和WUR7032可以共用天线，也可以共用部分天线，或不共用天线，对此不作限定。
为降低装置700的功耗，可以在装置700空闲时，关闭主收发机7031，开启WUR7032，通过WUR7032监听接入设备发送的带外WUS，在装置700接收到带外WUS后，WUR7032可以唤醒主收发机7031，使得主收发机7031进入正常工作状态。
在另一种装置700中射频模块703可以只包括主收发机7031，此时，在装置700空闲时，控制主收发机7031进入普通休眠，此时，主收发机7031可以只监听带内WUS，在接收到带内WUS后，唤醒主收发机7031，使得主收发机7031进入正常工作状态。
触摸显示屏7043可用于显示由用户输入的信息或向用户展示信息，触摸显示屏7043可包括触控面板和显示面板，可选的，可以采用液晶显示器(英文：Liquid Crystal Display，简称：LCD)、有机发光二极管(英文：Organic Light-Emitting Diode，简称：OLED)等形式来配置显示面板。进一步的，触控面板可覆盖显示面板，当触控面板检测到在其上或附近的触摸操作后，传送给处理器7021以确定触摸事件的类型，随后处理器7021根据触摸事件的类型在显示面板上提供相应的视觉输出。触控面板与显示面板是作为两个独立的部件来实现终端700的输入和输出功能，但是在某些实施例中，可以将触控面板与显示面板集成而实现终端700的输入和输出功能。
摄像头7041用于获取图像。音频输入模块7042具体可以为麦克风，可以获取语音。
传感器705用于可以包括光线传感器7051、加速度传感器7052、指纹传感器7052，其中，光线传感器7051用于获取环境的光强，加速度传感器7052(比如陀螺仪等)可以获取终端700的运动状态，指纹传感器7053可以输入的指纹信息；传感器705感应到相关信号后将该信号量化为数字信号并传递给处理器7021做进一步处理。
存储器701可以是高速RAM存储器，也可以是非不稳定的存储器(non-volatile memory)， 例如至少一个磁盘存储器。存储器701可选的还可以包括至少一个位于远离前述处理器7021的存储装置，该存储器701可以具体包括存储指令区和存储数据区，其中，存储指令区可存储操作系统、用户接口程序、通信接口程序等程序，该存储数据区可存储该处理在执行相关操作所需要的数据，或者执行相关操作所产生的数据。
处理器7021是终端700的控制中心，利用各种接口和线路连接整个手机的各个部分，通过运行存储在存储器701内的程序，以及调用存储在存储器701内的数据，执行终端700的各项功能。可选的，处理器7021可包括一个或多个应用处理器，该应用处理器主要处理操作系统、用户界面和应用程序等。在本申请实施例中，处理器7021读取存储器701中的信息，结合其硬件完成本申请实施例的降低终端功耗的装置51或52中包括的单元所需执行的功能，或者执行本申请方法实施例的降低终端功耗的方法。
通过射频模块703用户实现该终端700的通信功能，具体地，终端700可以接收接入设备210、降低终端功耗的装置40发送的休眠信号和/或唤醒信号，向接入设备210、降低终端功耗的装置40发送省电指示信息或其他数据等。
需要说明的是，上述各个操作的具体实现及有益效果还可以对应参照上述图3A或图3B所示的实施例及其可能的实施例的相应描述。
上述各个功能单元的具体实现可以参见上述图3A和图3B所示的实施例中相关描述，本申请实施例不再赘述。
应注意，尽管图6和图7所示的装置600和700仅仅示出了存储器、处理器、收发机，但是在具体实现过程中，本领域的技术人员应当理解，装置400和700还包括实现正常运行所必须的其他器件。同时，根据具体需要，本领域的技术人员应当理解，装置600和700还可包括实现其他附加功能的硬件器件。此外，本领域的技术人员应当理解，装置600和700也可仅仅包括实现本申请实施例所必须的器件，而不必包括图6和图7中所示的全部器件。
可以理解，装置600相当于图2中的接入设备170、装置700相当于图2中的终端设备220或230等。本领域普通技术人员可以意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
本领域技术人员能够领会，结合本文公开描述的各种说明性逻辑框、模块和算法步骤所描述的功能可以硬件、软件、固件或其任何组合来实施。如果以软件来实施，那么各种说明性逻辑框、模块、和步骤描述的功能可作为一或多个指令或代码在计算机可读媒体上存储或传输，且由基于硬件的处理单元执行。计算机可读媒体可包含计算机可读存储媒体，其对应于有形媒体，例如数据存储媒体，或包括任何促进将计算机程序从一处传送到另一处的媒体(例如，根据通信协议)的通信媒体。以此方式，计算机可读媒体大体上可对应于(1)非暂时性的有形计算机可读存储媒体，或(2)通信媒体，例如信号或载波。数据存储媒体可为可由一或多个计算机或一或多个处理器存取以检索用于实施本申请中描述的技术的指令、代码和/或数据结构的任何可用媒体。计算机程序产品可包含计算机可读媒体。
作为实例而非限制，此类计算机可读存储媒体可包括RAM、ROM、EEPROM、CD-ROM或其它光盘存储装置、磁盘存储装置或其它磁性存储装置、快闪存储器或可用来存储指令或数据结构的形式的所要程序代码并且可由计算机存取的任何其它媒体。并且，任何连接被恰当地称作计算机可读媒体。举例来说，如果使用同轴缆线、光纤缆线、双绞线、数字订户线(DSL)或例如红外线、无线电和微波等无线技术从网站、服务器或其它远程源传输指令，那么同轴缆线、光纤缆线、双绞线、DSL或例如红外线、无线电和微波等无线技术包含在媒体的定义中。但是，应理解，所述计算机可读存储媒体和数据存储媒体并不包括连接、载波、信号或其它暂时媒体，而是实际上针对于非暂时性有形存储媒体。如本文中所使用，磁盘和光盘包含压缩光盘(CD)、激光光盘、光学光盘、数字多功能光盘(DVD)和蓝光光盘，其中磁盘通常以磁性方式再现数据，而光盘利用激光以光学方式再现数据。以上各项的组合也应包含在计算机可读媒体的范围内。
以上所述，仅为本申请示例性的具体实施方式，但本申请的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到的变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应该以权利要求的保护范围为准。

Claims (30)

  1. 一种降低终端功耗的方法，其特征在于，包括：
    接入设备接收由终端设备发送的省电指示信息，所述省电指示信息用于指示所述终端设备的省电能力；
    在所述终端设备空闲的情况下，所述接入设备根据所述省电指示信息确定所述终端设备的休眠模式；
    所述接入设备向所述终端设备发送休眠信号，所述休眠信号用于指示所述终端设备进入所述休眠模式。
  2. 如权利要求1所述的方法，其特征在于，所述方法还包括：
    在所述终端设备需要唤醒时，所述接入设备根据所述省电指示信息唤醒所述终端设备。
  3. 如权利要求2所述的方法，其特征在于，所述省电指示信息具体用于指示所述终端设备支持的WUS，所述在所述终端设备需要唤醒时，所述接入设备根据所述省电指示信息唤醒所述终端设备，具体包括：
    在所述省电指示信息指示所述终端设备支持带外WUS的情况下，所述接入设备向所述终端设备的唤醒收发机(WUR)发送带外WUS，以使所述终端设备的WUR在接收到所述带外WUS后，唤醒所述终端设备的主收发机(MR)；或，
    在所述省电指示信息指示所述终端设备支持带内WUS但不支持带外WUS的情况下，所述接入设备向所述终端设备的主收发机(MR)发送带内WUS，以使所述终端设备的MR在接收到所述带内WUS后，唤醒所述终端设备的主收发机。
  4. 如权利要求1所述的方法，其特征在于，所述在所述终端设备空闲时，在所述终端设备空闲的情况下，所述接入设备根据所述省电指示信息确定所述终端设备的休眠模式，具体包括：
    在所述终端设备空闲的情况下，所述接入设备根据所述终端设备的业务类型和所述省电指示信息确定所述终端设备的休眠模式。
  5. 如权利要求1-4任一项所述的方法，其特征在于，所述休眠模式包括带外休眠模式和带内休眠模式，其中，所述终端设备在所述带内休眠模式下，所述终端设备的主收发机监听唤醒信号；所述终端设备在所述带外休眠模式下，所述终端设备的主收发机关闭，所述终端设备的WUR开启。
  6. 如权利要求1-5任一项所述的方法，其特征在于，所述接入设备接收由终端设备发送的省电指示信息，具体包括：
    所述接入设备接收所述终端设备通过RRC消息、L1信令、上行数据捎带和L2信令中的一种发送的省电指示信息。
  7. 一种降低终端功耗的方法，其特征在于，包括：
    终端设备根据所述终端设备支持的唤醒信号确定省电指示信息，所述省电指示信息用于指示所述终端设备的省电能力；
    所述终端设备向接入设备发送所述省电指示信息，以使所述接入设备在所述终端设备空闲时根据所述省电指示信息确定所述终端设备的休眠模式并向所述终端设备发送休眠信号；
    所述终端设备在接收到所述休眠信号后，根据所述休眠信号控制所述终端设备进入所述休眠模式。
  8. 如权利要求7所述的方法，其特征在于，所述省电指示信息具体用于指示所述终端设备支持的WUS，所述方法还包括：
    所述终端设备的唤醒收发机(WUR)接收所述接入设备发送的带外WUS，所述带外WUS是由所述接入设备在所述省电指示信息指示所述终端设备支持带外WUS的情况下向所述终端设备的WUR发送的；
    所述终端设备根据所述带外WUS唤醒所述终端设备的主收发机(MR)。
  9. 如权利要求7所述的方法，其特征在于，所述省电指示信息具体用于指示所述终端设备支持的WUS，所述方法还包括：
    所述终端设备的主收发机(MR)接收所述接入设备发送的带内WUS，所述带内WUS是由所述接入设备在所述省电指示信息指示所述终端设备支持带内WUS但不支持带外WUS的情况下向所述终端设备的主收发机(MR)发送的；
    所述终端设备根据所述带内WUS唤醒所述终端设备的主收发机(MR)。
  10. 如权利要求7所述的方法，其特征在于，所述休眠模式是由所述接入设备在所述终端设备空闲的情况下根据所述终端设备的业务类型和所述省电指示信息确定的。
  11. 如权利要求7-10任一项所述的方法，其特征在于，所述休眠模式包括带外休眠模式和带内休眠模式，其中，所述终端设备在所述带内休眠模式下，所述终端设备的主收发机监听唤醒信号；所述终端设备在所述带外休眠模式下，所述终端设备的主收发机关闭，所述终端设备的WUR开启。
  12. 如权利要求7-11任一项所述的方法，其特征在于，所述方法还包括：
    所述终端设备在检测到所述终端设备的省电能力变化时，向所述接入设备发送变化后的省电指示信息，所述变化后的省电指示信息用于指示所述终端设备变化后的省电能力。
  13. 如权利要求7-12任一项所述的方法，其特征在于，所述终端设备向接入设备发送所述省电指示信息，包括：
    所述终端设备通过RRC消息、L1信令、上行数据捎带和L2信令中的一种向所述接入设备接收发送所述省电指示信息。
  14. 一种降低终端功耗的装置，其特征在于，应用于接入设备，包括：
    接收单元，用于接收由终端设备发送的省电指示信息，所述省电指示信息用于指示所述终端设备的省电能力；
    确定单元，用于在所述终端设备空闲的情况下，根据所述省电指示信息确定所述终端设备的休眠模式；
    发送单元，用于向所述终端设备发送休眠信号，所述休眠信号用于指示所述终端设备进入所述休眠模式。
  15. 如权利要求14所述的装置，其特征在于，所述装置还包括：
    唤醒单元，用于在所述终端设备需要唤醒时，根据所述省电指示信息唤醒所述终端设备。
  16. 如权利要求15所述的装置，其特征在于，所述省电指示信息具体用于指示所述终端设备支持的WUS，所述唤醒单元具体用于：
    在所述省电指示信息指示所述终端设备支持带外WUS的情况下，向所述终端设备的唤醒收发机(WUR)发送带外WUS，以使所述终端设备的WUR在接收到所述带外WUS后唤醒所述终端设备的主收发机；或，
    在所述省电指示信息指示所述终端设备支持带内WUS但不支持带外WUS的情况下，向所述终端设备的主收发机(MR)发送带内WUS，以使所述终端设备的MR在接收到所述带内WUS后唤醒所述终端设备的主收发机。
  17. 如权利要求14所述的装置，其特征在于，所述确定单元具体用于：
    在所述终端设备空闲的情况下，根据所述终端设备的业务类型和所述省电指示信息确定所述终端设备的休眠模式。
  18. 如权利要求14-17任一项所述的装置，其特征在于，所述休眠模式包括带外休眠模式和带内休眠模式，其中，所述终端设备在所述带内休眠模式下，所述终端设备的主收发机监听唤醒信号；所述终端设备在所述带外休眠模式下，所述终端设备的主收发机关闭，所述终端设备的WUR开启。
  19. 如权利要求14-18任一项所述的装置，其特征在于，所述接收单元具体用于：
    接收所述终端设备通过RRC消息、L1信令、上行数据捎带和L2信令中的一种发送的省电指示信息。
  20. 一种降低终端功耗的装置，其特征在于，应用于终端设备，包括：
    确定单元，用于根据所述终端设备支持的唤醒信号确定省电指示信息，所述省电指示信息用于指示所述终端设备的省电能力；
    发送单元，用于向接入设备发送所述省电指示信息，以使所述接入设备在所述终端设备空闲时根据所述省电指示信息确定所述终端设备的休眠模式并向所述终端设备发送休眠信号；
    休眠单元，用于在接收到所述休眠信号后，根据所述休眠信号控制所述终端设备进入所述休眠模式。
  21. 如权利要求20所述的装置，其特征在于，所述省电指示信息具体用于指示所述终端设备支持的WUS，所述装置还包括：
    第一唤醒单元，用于在所述终端设备的唤醒收发机(WUR)接收到所述接入设备发送的带外WUS，根据所述带外WUS唤醒所述终端设备，其中，所述带外WUS是由所述接入设备在所述省电指示信息指示所述终端设备支持带外WUS的情况下向所述终端设备的WUR发送的。
  22. 如权利要求20所述的装置，其特征在于，所述省电指示信息具体用于指示所述终端设备支持的WUS，所述装置还包括：
    第二唤醒单元，用于在所述终端设备的主收发机(MR)接收所述接入设备发送的带内WUS，根据所述带内WUS唤醒所述终端设备，其中，所述带内WUS是由所述接入设备在所述省电指示信息指示所述终端设备支持带内WUS但不支持带外WUS的情况下向所述终端设备的WUR发送的。
  23. 如权利要求20所述的装置，其特征在于，所述休眠模式是由所述接入设备在所述终端设备空闲的情况下根据所述终端设备的业务类型和所述省电指示信息确定的。
  24. 如权利要求20-23任一项所述的装置，其特征在于，所述休眠模式包括带外休眠模式和带内休眠模式，其中，所述终端设备在所述带内休眠模式下，所述终端设备的主收发机监听唤醒信号；所述终端设备在所述带外休眠模式下，所述终端设备的主收发机关闭，所述终端设备的WUR开启。
  25. 如权利要求20-24任一项所述的装置，其特征在于，所述发送单元还用于：
    在检测到所述终端设备的省电能力变化时，向所述接入设备发送变化后的省电指示信息，所述变化后的省电指示信息用于指示所述终端设备变化后的省电能力。
  26. 如权利要求20-25任一项所述的装置，其特征在于，所述发送单元具体用于：
    通过RRC消息、L1信令、上行数据捎带和L2信令中的一种向所述接入设备接收发送所述省电指示信息。
  27. 一种接入设备，其特征在于，包括：一个或多个处理器、一个或多个存储器、收发机，其中，所述收发机用于与终端设备进行数据交互，所述一个或多个存储器与所述一个或多个处理器耦合，所述一个或多个存储器用于存储计算机程序代码，所述计算机程序代码包括计算机指令，当所述一个或多个处理器执行所述计算机指令时，所述接入设备执行如权利要求1-6所述的降低终端功耗的方法。
  28. 一种终端设备，其特征在于，包括：一个或多个处理器、一个或多个存储器、主收发机，其中，所述主收发机用于与接入设备进行数据交互，所述一个或多个存储器与所述一个或多个处理器耦合，所述一个或多个存储器用于存储计算机程序代码，所述计算机程序代码包括计算机指令，当所述一个或多个处理器执行所述计算机指令时，所述终端设备执行如权利要求7-13所述的降低终端功耗的方法。
  29. 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中存储有计算机可执行指令，所述计算机可执行指令在被所述计算机调用时用于使所述计算机执行权利要求1-6任一项所述的方法。
  30. 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中存储有计算机可执行指令，所述计算机可执行指令在被所述计算机调用时用于使所述计算机执行权利要求7-13任一项所述的方法。
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