WO2020258103A1 - 监听方法、指示下发方法及装置、通信设备及存储 - Google Patents

监听方法、指示下发方法及装置、通信设备及存储 Download PDF

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Publication number
WO2020258103A1
WO2020258103A1 PCT/CN2019/093116 CN2019093116W WO2020258103A1 WO 2020258103 A1 WO2020258103 A1 WO 2020258103A1 CN 2019093116 W CN2019093116 W CN 2019093116W WO 2020258103 A1 WO2020258103 A1 WO 2020258103A1
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Prior art keywords
wus
monitoring
wake
monitored
period
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PCT/CN2019/093116
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English (en)
French (fr)
Inventor
李艳华
Original Assignee
北京小米移动软件有限公司
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Publication date
Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to US17/596,922 priority Critical patent/US20220322170A1/en
Priority to CN201980001233.4A priority patent/CN111344993B/zh
Priority to PCT/CN2019/093116 priority patent/WO2020258103A1/zh
Publication of WO2020258103A1 publication Critical patent/WO2020258103A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • 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
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/318—Received signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • 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
    • H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/00837—Determination of triggering parameters for hand-off
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • 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

  • This application relates to the field of wireless communication but is not limited to the field of wireless communication, and in particular to a method and device for monitoring a physical downlink control channel (PDCCH), a method and device for issuing instructions, a communication device, and a non-temporary computer Read the storage medium.
  • PDCCH physical downlink control channel
  • a method and device for issuing instructions a communication device, and a non-temporary computer Read the storage medium.
  • the terminal has a Discontinuous Reception (DRX) state, and the terminal in the DRX state has lower power consumption than the terminal in the connected state.
  • DRX Discontinuous Reception
  • a DRX cycle In the DRX state, a DRX cycle is set. As shown in FIG. 1, a DRX cycle includes: a wake-up period (On Duration) and a sleep period (Opportunity for DRX).
  • the terminal During the wake-up period, the terminal is in the awake state, and the terminal can monitor the physical downlink control channel (PDCCH); during the sleep period, the terminal is in the dormant state, and the terminal cannot monitor the PDCCH.
  • PDCCH physical downlink control channel
  • a wake-up signal (Wake UP Signaling, WUS) is also introduced.
  • the WUS is sent before the wake-up period.
  • the terminal monitors the WUS to determine whether the wake-up state needs to be maintained in the subsequent wake-up period. To monitor the PDCCH.
  • the embodiments of the present application provide a method and device for PDCCH monitoring, a method and device for issuing instructions, a communication device, and a non-transitory computer-readable storage medium.
  • a method for monitoring PDCCH including:
  • the monitoring of the PDCCH is performed according to the monitoring strategy and the result of the WUS being monitored.
  • a method for issuing instructions which includes:
  • a monitoring instruction is issued, where the monitoring instruction is used to switch from the source cell to the target cell.
  • the monitoring instruction is used to switch from the source cell to the target cell.
  • a physical downlink control channel PDCCH monitoring device including:
  • the monitoring module is configured to switch from the source cell to the target cell. If the monitoring moment of the wake-up signal WUS in the target cell is missed, the PDCCH is monitored according to the monitoring strategy and the result of the WUS being monitored.
  • an instruction issuing device includes:
  • the issuing module is configured to issue a monitoring instruction, where the monitoring instruction is used to switch from the source cell to the target cell, and when the wake-up signal on the target cell is missed, it is determined that the wake-up signal is monitored The result of being or not being monitored.
  • a communication device which includes:
  • the processor is respectively connected to the transceiver and the memory, and is configured to control the transceiver's transmission and reception by executing computer-executable instructions stored in the memory, and can implement the physical downlink control channel provided by any of the foregoing technical solutions. Monitoring method or instruction delivery method.
  • a non-transitory computer-readable storage medium having computer-executable instructions stored thereon; after the computer-executable instructions are executed by a processor , It can realize the monitoring method or the instruction issuing method of the physical downlink control channel provided by any of the foregoing technical solutions.
  • the terminal misses the monitoring moment of the wake-up signal of the target cell when it switches from the source cell to the target cell, it will be monitored according to the wake-up signal according to the monitoring strategy, and perform PDCCH monitoring processing. If it is monitored in accordance with the wake-up signal, proceed.
  • PDCCH monitoring is not performed when PDCCH monitoring is performed, and PDCCH monitoring is performed when PDCCH monitoring is not required.
  • Figure 1 is a schematic diagram of a DRX
  • FIG. 2 is a schematic structural diagram of a wireless communication system provided by an embodiment of the application.
  • 3A is a schematic flowchart of a PDCCH monitoring method provided by an embodiment of this application.
  • FIG. 3B is a schematic flowchart of a PDCCH monitoring method provided by an embodiment of this application.
  • FIG. 4 is a schematic diagram of a 1:1 mapping relationship between WUS and wake-up period provided by an embodiment of this application;
  • FIG. 5 is a schematic diagram of a 1:N mapping relationship between WUS and wake-up period according to an embodiment of the application
  • 6A is a schematic diagram of handover to a target cell in the case of a 1:1 mapping relationship between WUS and wake-up period according to an embodiment of the application;
  • 6B is a schematic diagram of handover to a target cell in the case of a 1:N mapping relationship between WUS and wake-up period according to an embodiment of the application;
  • FIG. 7 is a schematic diagram of an instruction issuing according to an embodiment of the application.
  • FIG. 8 is a schematic structural diagram of a PDCCH monitoring device provided by an embodiment of this application.
  • FIG. 9 is a schematic structural diagram of an instruction issuing device provided by an embodiment of this application.
  • FIG. 10 is a schematic structural diagram of a terminal provided by an embodiment of this application.
  • FIG. 11 is a schematic structural diagram of a base station provided by an embodiment of the application.
  • FIG. 2 shows a schematic structural diagram of a wireless communication system provided by an embodiment of the present application.
  • the wireless communication system is a communication system based on cellular mobile communication technology, and the wireless communication system may include several terminals 110 and several base stations 120.
  • the terminal 110 may be a device that provides voice and/or data connectivity to the user.
  • the terminal 110 can communicate with one or more core networks via a radio access network (RAN).
  • RAN radio access network
  • the terminal 110 can be an Internet of Things terminal, such as a sensor device, a mobile phone (or “cellular” phone), and
  • the computer of the Internet of Things terminal for example, may be a fixed, portable, pocket-sized, handheld, computer-built-in or vehicle-mounted device.
  • station For example, station (Station, STA), subscriber unit (subscriber unit), subscriber station (subscriber station), mobile station (mobile station), mobile station (mobile), remote station (remote station), access point, remote terminal ( remote terminal), access terminal (access terminal), user device (user terminal), user agent (user agent), user equipment (user device), or user terminal (user equipment, UE).
  • the terminal 110 may also be a device of an unmanned aerial vehicle.
  • the terminal 110 may also be an in-vehicle device, for example, it may be a trip computer with a wireless communication function, or a wireless communication device connected to the trip computer.
  • the terminal 110 may also be a roadside device, for example, it may be a street lamp, signal lamp, or other roadside device with a wireless communication function.
  • the base station 120 may be a network side device in a wireless communication system.
  • the wireless communication system may be the 4th generation mobile communication (4G) system, also known as the Long Term Evolution (LTE) system; or, the wireless communication system may also be a 5G system, Also known as the new radio (NR) system or 5G NR system.
  • the wireless communication system may also be the next-generation system of the 5G system.
  • the access network in the 5G system can be called NG-RAN (New Generation-Radio Access Network).
  • the base station 120 may be an evolved base station (eNB) used in a 4G system.
  • the base station 120 may also be a base station (gNB) adopting a centralized and distributed architecture in the 5G system.
  • the base station 120 adopts a centralized and distributed architecture it usually includes a centralized unit (CU) and at least two distributed units (DU).
  • the centralized unit is provided with a packet data convergence protocol (Packet Data Convergence Protocol, PDCP) layer, a radio link layer control protocol (Radio Link Control, RLC) layer, and a media access control (Media Access Control, MAC) layer.
  • the unit is provided with a physical (Physical, PHY) layer protocol stack, and the embodiment of the present application does not limit the specific implementation manner of the base station 120.
  • a wireless connection can be established between the base station 120 and the terminal 110 through a wireless air interface.
  • the wireless air interface is a wireless air interface based on the fourth-generation mobile communication network technology (4G) standard; or, the wireless air interface is a wireless air interface based on the fifth-generation mobile communication network technology (5G) standard, such as The wireless air interface is a new air interface; or, the wireless air interface may also be a wireless air interface based on 5G-based next-generation mobile communication network technology standards.
  • an E2E (End to End) connection may also be established between the terminals 110.
  • V2V vehicle to vehicle
  • V2I vehicle to Infrastructure
  • V2P vehicle to pedestrian
  • the above-mentioned wireless communication system may further include a network management device 130.
  • the network management device 130 may be a core network device in a wireless communication system.
  • the network management device 130 may be a mobility management entity (Mobility Management Entity) in an evolved packet core network (Evolved Packet Core, EPC). MME).
  • the network management device may also be other core network devices, such as Serving GateWay (SGW), Public Data Network GateWay (PGW), policy and charging rules function unit (Policy and Charging Rules). Function, PCRF) or Home Subscriber Server (HSS), etc.
  • SGW Serving GateWay
  • PGW Public Data Network GateWay
  • Policy and Charging Rules Policy and Charging Rules
  • Function PCRF
  • HSS Home Subscriber Server
  • this embodiment provides a method for monitoring the physical downlink control channel PDCCH, which includes:
  • the PDCCH is monitored according to the monitoring strategy and the result of the WUS being monitored.
  • this embodiment provides a method for monitoring physical downlink control channel PDCCH, including:
  • the source cell and the target cell may be different cells formed by the same base station, or may be cells formed by different base stations.
  • the terminal will perform handover in different cells.
  • the handover from the source cell to the target cell here includes:
  • the terminal When the terminal establishes a connection with the source base station in the source cell, it is changed to: the terminal establishes a connection with the target base station in the target cell. In this way, it is equivalent to the completion of the strong switch of the terminal from the source cell to the target cell;
  • the terminal interacts with the source base station in the source cell, which is changed to: the terminal interacts with the base station in the target cell.
  • the content of interaction here includes: data, signal, and/or signaling.
  • Wake Up Signaling is set on both the source cell and the target cell.
  • the base station sends a wake-up signal before the wake-up period of the DRX cycle.
  • the wake-up signal is used to inform the terminal of one or more wake-ups after the wake-up signal. Whether it is necessary to maintain the wake-up state during the time period to monitor the PDCCH during the wake-up period
  • WUS is a low-power detection signal.
  • the terminal can complete WUS detection or monitoring with very low power consumption; further based on the WUS monitoring results, determine whether PDCCH monitoring is required in the corresponding wake-up period . If the terminal does not monitor the WUS corresponding to the wake-up period, the wake-up period can be skipped, that is, the sleep state is still maintained during the wake-up period, so that the PDCCH is not monitored, so as to further save the power consumption of the terminal.
  • the terminal switches to the target cell at time T0, and time T1 is the listening time of WUS1 before time T0, and WUS1 that needs to be monitored at time T1 is the wake-up signal.
  • the terminal missed the listening moment of the wake-up signal in the target cell includes: the terminal missed the listening moment of the previous wake-up signal in the target cell and before the current moment.
  • the terminal may have moved. After moving, in order to ensure communication quality, the terminal will switch from the source cell to the target cell.
  • some terminals may be handed over from the source cell to the target cell.
  • the terminal may just miss the monitoring moment of the wake-up signal on the target cell. At this time, the terminal does not know how to monitor the PDCCH during the wake-up period.
  • the terminal will monitor the PDCCH channel according to the result of currently monitoring the wake-up signal according to the monitoring instruction, or not monitor the PDCCH channel according to the result of not currently monitoring the wake-up signal; so, Reduce the monitoring confusion of the terminal caused by the terminal not knowing how to deal with it.
  • the monitoring of the PDCCH is to monitor whether there is signal transmission on the PDCCH.
  • PDCCH can be used to transmit PDCCH signaling and so on.
  • the PDCCH corresponds to a specific time-frequency resource.
  • the terminal monitors the PDCCH during the wake-up period, it can perform signal detection on the time-frequency resource corresponding to the PDCCH, so as to realize the monitoring of the PDCCH.
  • the results of WUS being monitored include but are not limited to: the signal strength of WUS in the target cell is monitored to reach the strength threshold, etc.; if WUS is not monitored or the strength of the monitored WUS does not reach the strength threshold, it can be considered that WUS has not been monitored To.
  • the monitoring strategy may include first strategy information indicating whether it is determined whether the missed WUS is monitored.
  • the monitoring strategy further includes:
  • the second strategy information indicating the monitoring of the PDCCH according to the monitoring result of the WUS.
  • the first policy information includes, but is not limited to: a determination method and/or determination parameter for determining the monitoring result of the missed WUS.
  • the method further includes:
  • the monitoring result of the missed WUS is determined according to the first policy information in the monitoring strategy.
  • the method further includes: determining whether to monitor the PDCCH or not to monitor the PDCCH according to the monitoring result of the missed WUS according to the second policy information.
  • the monitoring strategy may also include only the second strategy information. At this time, the monitoring result of the missed WUS is determined based on information other than the monitoring strategy.
  • monitoring the PDCCH according to the monitoring indication according to the result of the wake-up signal being monitored includes:
  • the PDCCH is monitored during the wake-up period within the effective range of the wake-up signal.
  • One WUS corresponds to a specific PDCCH monitoring range, and the monitoring range may be the aforementioned effective range.
  • one WUS may correspond to one wake-up period or multiple wake-up periods in the DRX cycle, and these wake-up periods are the effective range corresponding to the WUS.
  • mapping relationship between the wake-up signal and the wake-up period can be 1:1; or, 1:N, where N is a positive integer equal to or greater than 2.
  • Fig. 4 shows a schematic diagram of the 1:1 mapping relationship between WUS and wake-up period.
  • wake-up period 1, wake-up period 2 and wake-up period 3 respectively correspond to their respective WUSs, and are WUS1, WUS2, and WUS3 respectively.
  • Figure 5 shows a schematic diagram of the 1:N mapping Russian relationship between WUS and wake-up period. In this way, if the terminal monitors 1 WUS, it needs to monitor the PDCCH in the N wake-up periods corresponding to the WUS.
  • one WUS maps three wake-up periods, namely wake-up period a, wake-up period a+1, and wake-up period a+2.
  • the effective range of the missed wake-up signal in this embodiment may include one or more wake-up periods.
  • the PDCCH monitoring will be performed within the effective range of the wake-up signal to reduce the monitoring caused by outside the effective range. Unnecessary power consumption of the terminal.
  • monitoring the PDCCH during the wake-up period within the effective range of the wake-up signal includes:
  • the PDCCH is performed within one of the wake-up periods corresponding to the WUS Monitoring.
  • the effective range is a wake-up period, and PDCCH monitoring is performed during the wake-up period.
  • the terminal not only misses the monitoring of the wake-up signal on the target cell when it switches from the source cell to the target cell, but also the wake-up period corresponding to the wake-up signal has not yet started, it monitors the PDCCH during the remaining time of the wake-up period that has not yet started, thus reducing I missed the important content delivered by the PDCCH.
  • FIG. 6A when 1:1 mapping between WUS and wake-up period.
  • FIG. 6A shows that after the monitoring moment of the WUS in the target cell, at the time T1 before the start time of the wake-up period n corresponding to the WUS, switch to the target cell, and perform PDCCH monitoring in the wake-up period n.
  • monitoring the PDCCH during the wake-up period within the effective range of the wake-up signal includes:
  • the PDCCH is monitored in the M1 wake-up periods that have not yet started corresponding to the WUS.
  • N can be 2, 3, or 4, etc. In short, N can be 2 or a value greater than 2.
  • the PDCCH is performed in the remaining wake-up period that has not yet started. Monitoring.
  • the handover time may be: the time when the terminal switches from the source cell to the target cell.
  • the PDCCH is monitored during M1 wake-up periods that have not yet started corresponding to the WUS , Can include:
  • M1 is a positive integer less than N and greater than 1
  • N is a positive integer equal to or greater than 2.
  • perform the PDCCH Monitoring can include:
  • M2 is a positive integer less than or equal to N and greater than 1
  • N is a positive integer equal to or greater than 2.
  • the terminal switches to the target cell at time T1, after the listening time of the wake-up signal on the target cell at time T1, and before the start time of the wake-up period n corresponding to the wake-up signal, so , If the missed WUS of the previous monitoring moment maps 3 wake-up periods, namely wake-up period n, wake-up period n+1 and wake-up period n+2, the terminal will wake up in wake-up period n, wake-up period n+1 and wake-up period PDCCH monitoring is performed in the period n+2.
  • the terminal switches to the target cell at time T2, and the monitoring time of the wake-up signal on the target cell at time T2 is between the start time of the wake-up period n corresponding to the wake-up signal, so if The missed WUS of the previous monitoring moment maps 3 wake-up periods, namely wake-up period n, wake-up period n+1 and wake-up period n+2, then the terminal will be in the entire wake-up period n+1 and wake-up period n+2 Perform PDCCH monitoring.
  • the terminal switches to the target cell at time T3, the monitoring time of the wake-up signal on the target cell at time T3 and the end time of the wake-up period n corresponding to the wake-up signal, so, if you miss The WUS at the previous monitoring moment maps 3 wake-up periods, namely, wake-up period n, wake-up period n+1, and wake-up period n+2.
  • the terminal will perform PDCCH during the entire wake-up period n+1 and wake-up period n+2. Monitoring.
  • the PDCCH monitoring When the mapping relationship between the WUS and the wake-up period is 1:1, and the wake-up period corresponding to the WUS has not yet started, in one of the wake-up periods corresponding to the WUS, the PDCCH monitoring.
  • the effective range of missed WUS is different.
  • the effective range of the missed WUS is 1 wake-up period; for another example, if there is a 1:N mapping relationship between WUS and wake-up period, the missed WUS The effective range of WUS is N wakeup periods.
  • mapping relationship between the WUS and the wake-up period is 1:N, and the PDCCH is not monitored during the M3 wake-up periods that have not yet started corresponding to the WUS, where M3 is A positive integer less than N and greater than 1, and N is a positive integer equal to or greater than 2.
  • the M3 corresponding to the WUS has not yet started. No monitoring of the PDCCH is performed within a wake-up period, where M3 is a positive integer less than N and greater than 1, and N is a positive integer equal to or greater than 2
  • the M4 corresponding to the WUS has not yet started.
  • the PDCCH monitoring is not performed, where M4 is a positive integer less than or equal to N and greater than 1, and N is a positive integer equal to or greater than 2.
  • the method further includes:
  • the result of whether the WUS is monitored or not is determined.
  • the terminal will receive the monitoring instruction.
  • the monitoring result of the missed WUS is determined according to the monitoring instruction, and the monitoring result includes: being monitored and not being monitored.
  • the target cell can dynamically instruct the terminal whether to monitor the PDCCH according to its own capacity and the requirements of service interaction between the target cell and the terminal.
  • the determining the monitoring result that the WUS is monitored or not monitored according to the monitoring indication of the target cell includes:
  • the monitoring indication is the second indication, it is determined that the WUS has not been monitored.
  • the monitoring indication may be indicated by one or more bits.
  • the value of one or more bits when the value of one or more bits is the first value, it can be regarded as the first indication; when the value of one or more bits is the second value, it can be regarded as the second indication.
  • the first value is different from the second value.
  • the monitoring instruction may be one bit carried in any signaling, and one bit can complete the instruction, reducing bit overhead.
  • the one-bit monitoring indication may be a bit carried in a system message, or a bit in radio resource control signaling.
  • the monitoring indication is 1 bit
  • the bit value corresponding to the first indication is “0”
  • the bit value corresponding to the second indication is “1”. If the bit value corresponding to the first indication is "1”, the bit value corresponding to the second indication is "0".
  • the receiving the monitoring indication carrying the target cell includes:
  • the cell handover command may be a command to instruct the terminal to perform cell handover. After receiving the cell handover command, the terminal switches from the source cell to the target cell.
  • the cell switching command can be sent by the source cell or by the target cell.
  • the cell handover command also carries monitoring instructions, so there is no need to specifically issue signaling including monitoring instructions, which reduces the frequency of signaling issuance.
  • the step further includes: determining a result that the WUS is overheard or not overheard according to a communication protocol or a predetermined agreement.
  • the communication protocol can be a standard that needs to be complied with in the communication process written in the terminal in advance; it can also be a communication protocol that the terminal downloads and updates during the upgrade process.
  • the pre-agreement may be: the terminal and the base station may determine in advance how to determine whether the missed WUS is monitored after the terminal is handed over from the source cell to the target cell through a negotiation manner.
  • the method further includes:
  • the result of the WUS being monitored or not being monitored is determined.
  • the target cell will configure its issued WUS to obtain configuration information; similarly, the source cell will also configure its issued WUS to obtain configuration information.
  • the configuration information of the two cells can be combined to determine whether the missed WUS is monitored after handover to the target cell.
  • the result of determining that the WUS is monitored or not monitored based on the WUS configuration information in the target cell and the WUS configuration information of the source cell includes:
  • the WUS pattern in the target cell is denser than the WUS pattern in the source cell, indicating that the WUS issuance frequency in the target cell is higher than the WUS issuance frequency of the source cell, and the terminal missed the handover time before the WUS monitoring moment, is there There is a greater probability that WUS will be issued; conversely, WUS monitoring moments that may be missed are less likely to be issued.
  • the WUS monitoring result can be used to determine whether to perform PDCCH monitoring.
  • the density of the WUS pattern of the source cell is considered as the default densest WUS pattern.
  • the terminal does not receive the WUS pattern in the source cell, it can be considered that the WUS pattern of the source cell is the densest WUS pattern.
  • the WUS pattern of the source cell will be regarded as the densest WUS pattern for comparison.
  • this embodiment provides a method for issuing instructions, which includes:
  • a monitoring instruction is issued, where the monitoring instruction is used to switch from the source cell to the target cell.
  • the monitoring instruction is used to switch from the source cell to the target cell.
  • the method provided in this embodiment can be applied to a base station.
  • the base station can issue a monitoring instruction through broadcast signaling or a dedicated instruction.
  • the terminal can be used to switch from the source cell to the target cell, even if there are enough signals to wake up on the target cell.
  • the terminal can still be instructed to monitor or not monitor the PDCCH according to the result of the wake-up signal being monitored or not.
  • the method further includes:
  • Various signaling such as service scheduling signaling, etc., are issued through the PDCCH.
  • the result of the wake-up signal being monitored or not being monitored will be used by the terminal to determine whether to monitor the PDCCH.
  • the monitoring instruction is carried in the cell handover instruction and issued, which increases the rate of issuing the monitoring instruction and reduces the number of times the signaling is issued.
  • this embodiment also provides a PDCCH monitoring device, which includes:
  • the monitoring module is configured to switch from the source cell to the target cell. If the monitoring moment of the wake-up signal on the target cell is missed, the PDCCH is monitored according to the monitoring strategy and the result of the wake-up signal being monitored.
  • the device further includes a module for storing the monitoring strategy.
  • the monitoring module can be a program module, a software-hardware combination module or a pure hardware module.
  • the monitoring module is configured to monitor the PDCCH during the wake-up period within the effective range of the WUS in accordance with the monitoring result of the WUS according to the monitoring policy.
  • the monitoring module is configured
  • the PDCCH is performed within one of the wake-up periods corresponding to the WUS Monitoring.
  • the monitoring module is configured when the mapping relationship between the WUS and the wake-up period is 1:N, and the current wake-up period corresponding to the WUS has started, when the WUS corresponds to The monitoring of the PDCCH is performed during the M1 wake-up period that has not yet started, where M1 is a positive integer less than N and greater than 1, and N is a positive integer equal to or greater than 2.
  • the monitoring module is configured when the mapping relationship between the WUS and the wake-up period is 1:N, and the current wake-up period corresponding to the WUS has not yet started, when the WUS corresponds to The monitoring of the PDCCH is performed during the M2 wake-up periods that have not yet started, where M2 is a positive integer less than or equal to N and greater than 1, and N is a positive integer equal to or greater than 2.
  • the monitoring module is configured to not perform monitoring of the PDCCH according to the monitoring strategy and the result of the WUS not being monitored.
  • the monitoring module is configured to: when the mapping relationship between the WUS and the wake-up period is 1:1, and the wake-up period corresponding to the WUS has not yet started, in the During one of the wake-up periods corresponding to WUS, the PDCCH is not monitored.
  • the monitoring module is configured when the mapping relationship between the WUS and the wake-up period is 1:N, and the current wake-up period corresponding to the WUS has started, when the WUS corresponds to During the M3 wake-up period that has not yet started, no monitoring of the PDCCH is performed, where M3 is a positive integer less than N and greater than 1, and N is a positive integer equal to or greater than 2.
  • the monitoring module is configured when the mapping relationship between the WUS and the wake-up period is 1:N, and the current wake-up period corresponding to the WUS has not yet started, when the WUS corresponds to In the M4 wake-up period that has not yet started, no monitoring of the PDCCH is performed, where M4 is a positive integer less than or equal to N and greater than 1, and N is a positive integer equal to or greater than 2.
  • the device further includes:
  • a receiving module configured to receive a monitoring instruction carrying the target cell
  • the first determining module is configured to determine the result of the WUS being monitored or not being monitored according to the monitoring indication of the target cell.
  • the first determining module is configured to determine the result of the WUS being monitored when the monitoring indication is the first indication; or, when the monitoring indication is the second indication, The result of determining that the WUS has not been overheard.
  • the receiving module is configured to receive a cell handover command carrying the monitoring indication.
  • the device further includes:
  • the second determining module is configured to determine the result of the WUS being overheard or not being overheard according to the communication protocol or pre-appointment.
  • the device further includes:
  • the third determining module is configured to determine the result of the WUS being monitored or not being monitored according to the configuration information of the WUS in the target cell and the configuration information of the WUS of the cell.
  • the third determining module is configured to determine that the WUS is overheard when the WUS pattern in the target cell is denser than the WUS pattern of the source cell; or, when the target cell When the WUS pattern of the cell is sparser than the WUT pattern of the source cell, it is determined that the WUS is not monitored.
  • this embodiment also provides an instruction issuing device, which includes:
  • the issuing module is configured to issue a monitoring instruction, where the monitoring instruction is used to switch from the source cell to the target cell, and when the wake-up signal on the target cell is missed, it is determined that the wake-up signal is monitored The result of being or not being monitored.
  • the monitoring instruction is carried in a cell handover instruction and issued.
  • the instruction issuing device provided in this embodiment may be a device applied to a network element of an access network such as a base station, and the signaling carrying a monitoring instruction can be issued through the issuing module, so that the terminal can receive the determination information.
  • the instruction issuing device further includes a storage module, which is connected to the issuing module and can be used to store monitoring instructions.
  • the UE switches to the target cell to perform WUS monitoring processing according to the WUS monitoring instruction given by the target base station, where the target base station is the base station of the target cell. According to the monitoring instruction, determine whether the WUS that missed the previous monitoring moment is monitored.
  • the UE switches to the target cell. If it misses the WUS monitoring moment on the target cell, the monitoring strategy adopted is to process the WUS that missed the previous monitoring moment according to whether the WUS was monitored, or the WUS was not monitored: If processing is performed according to WUS being monitored, the terminal will perform PDCCH monitoring; if processing is performed according to WUS not being monitored, the terminal will not perform PDCCH monitoring.
  • the WUS that is missed here is the aforementioned wake-up signal.
  • the monitoring indication may be an explicit indication "1", which means that if the UE switches to the target cell and misses the WUS monitoring moment, the monitoring strategy adopted is to follow the current missed WUS monitoring moment according to WUS detection. To be processed.
  • the monitoring indication may be an explicit indication "0", which means that if the UE switches to the target cell and misses the WUS monitoring moment, the monitoring strategy adopted is to follow the current missed WUS monitoring moment according to WUS not. Process detected.
  • the monitoring instruction adopted is: the previous monitoring moment that was missed will be processed according to the WUS monitoring, that is, the subsequent WUS will be effective Monitor the wake-up time within the range.
  • the mapping relationship between WUS and wake-up period is 1:1, that is, a 1:1 mapping scenario of 1 WUS and one wake-up period.
  • the mapping relationship between the WUS pair and the wake-up period is 1:N, that is, a 1:N mapping scenario of 1 WUS and N wake-up periods.
  • performing PDCCH monitoring or not performing PDCCH monitoring according to the monitoring strategy includes:
  • the terminal When the terminal switches to the target cell, and the wake-up period corresponding to WUS has not yet started, the terminal monitors or does not monitor the PDCCH at the time of the upcoming wake-up period.
  • This example is for a 1:N mapping scenario.
  • the terminal misses the WUS on the target cell, there are several possible situations in which the terminal performs PDCCH monitoring or not PDCCH monitoring according to the monitoring instructions:
  • the wake-up period corresponding to the WUS on the target cell has not yet started, and continues to monitor the remaining M upcoming wake-up period moments that have not yet started.
  • M is the number of wakeup periods that the terminal missed out of N.
  • the terminal starts to monitor from the remaining time of the second wake-up period, which includes a partial wake-up period and the remaining 2 wake-up periods Time period.
  • Example 1 Based on Example 1, Example 2, and Example 3, this example provides a way to determine whether the WUS at the previous monitoring moment that was missed has been monitored, including:
  • the monitoring strategy adopted is: the current missed WUS monitoring moment is processed according to WUS detection or WUS is not detected for processing. Whether WUS is monitored can also be based on the agreement.
  • the protocol stipulates that if the UE switches to the target cell and misses the WUS monitoring moment, the monitoring strategy adopted is to process the currently missed WUS monitoring moment according to the WUS detection:
  • the monitoring strategy adopted is to process the current missed WUS monitoring moment according to WUS detection or processing without WUS detection. Whether WUS is detected can also be based on the original The WUS pattern configuration of the cell and/or target cell is determined:
  • the UE finds that the WUS pattern configuration of the target cell is more densely configured than the original cell, for example, the original cell and the target cell are configured to 3:1 respectively, then the UE switches to the target cell and misses WUS monitoring
  • the monitoring strategy adopted at time is to process the currently missed WUS monitoring time as WUS detection; this means that the target cell needs to be monitored more intensively.
  • the UE if the UE finds that the WUS pattern configuration of the target cell is more sparse than the original cell, for example, the original cell and the target cell are configured to 1:3 respectively, then the UE will switch to the target cell if it misses the WUS monitoring moment.
  • the monitoring strategy is to process the current missed WUS monitoring moment as if there is no WUS detection; this means that the target cell needs to be monitored more sparsely.
  • the communication device can also be an access network element such as a base station, and can implement the instruction issuing method provided by any of the foregoing technical solutions.
  • the communication device includes a transceiver, a memory, and a processor.
  • the transceiver can be used to interact with other devices.
  • the transceiver includes but is not limited to a transceiver antenna.
  • the memory may store computer executable instructions; the processor is connected to the transceiver and the memory respectively, and can implement the PDCCH monitoring method or signaling method provided by any of the foregoing technical solutions.
  • Fig. 10 shows a terminal according to an exemplary embodiment.
  • the terminal may be a mobile phone, a computer, a digital broadcasting terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, etc.
  • the device 800 may include one or more of the following components: a processing component 802, a memory 804, a power component 806, a multimedia component 808, an audio component 810, an input/output (I/O) interface 812, a sensor component 814, And the communication component 816.
  • a processing component 802 a memory 804, a power component 806, a multimedia component 808, an audio component 810, an input/output (I/O) interface 812, a sensor component 814, And the communication component 816.
  • the processing component 802 generally controls the overall operations of the device 800, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations.
  • the processing component 802 may include one or more processors 820 to execute instructions to complete all or part of the steps of the above methods.
  • the processing component 802 may include one or more modules to facilitate the interaction between the processing component 802 and other components.
  • the processing component 802 may include a multimedia module to facilitate the interaction between the multimedia component 808 and the processing component 802.
  • the memory 804 is configured to store various types of data to support the operation of the device 800. Examples of these data include instructions for any application or method operating on the device 800, contact data, phone book data, messages, pictures, videos, etc.
  • the memory 804 can be implemented by any type of volatile or nonvolatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Magnetic Disk or Optical Disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read-only memory
  • EPROM erasable Programmable Read Only Memory
  • PROM Programmable Read Only Memory
  • ROM Read Only Memory
  • Magnetic Memory Flash Memory
  • Magnetic Disk Magnetic Disk or Optical Disk.
  • the power supply component 806 provides power to various components of the device 800.
  • the power supply component 806 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the device 800.
  • the multimedia component 808 includes a screen that provides an output interface between the device 800 and the user.
  • the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from the user.
  • the touch panel includes one or more touch sensors to sense touch, sliding, and gestures on the touch panel. The touch sensor can not only sense the boundary of the touch or slide action, but also detect the duration and pressure associated with the touch or slide operation.
  • the multimedia component 808 includes a front camera and/or a rear camera. When the device 800 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera can receive external multimedia data. Each front camera and rear camera can be a fixed optical lens system or have focal length and optical zoom capabilities.
  • the audio component 810 is configured to output and/or input audio signals.
  • the audio component 810 includes a microphone (MIC), and when the device 800 is in an operation mode, such as a call mode, a recording mode, and a voice recognition mode, the microphone is configured to receive external audio signals.
  • the received audio signal may be further stored in the memory 804 or transmitted via the communication component 816.
  • the audio component 810 further includes a speaker for outputting audio signals.
  • the I/O interface 812 provides an interface between the processing component 802 and a peripheral interface module.
  • the peripheral interface module may be a keyboard, a click wheel, a button, and the like. These buttons may include but are not limited to: home button, volume button, start button, and lock button.
  • the sensor component 814 includes one or more sensors for providing the device 800 with various aspects of status assessment.
  • the sensor component 814 can detect the on/off status of the device 800 and the relative positioning of components, such as the display and keypad of the device 800.
  • the sensor component 814 can also detect the position change of the device 800 or a component of the device 800. The presence or absence of contact with the device 800, the orientation or acceleration/deceleration of the device 800, and the temperature change of the device 800.
  • the sensor component 814 may include a proximity sensor configured to detect the presence of nearby objects when there is no physical contact.
  • the sensor component 814 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor component 814 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor or a temperature sensor.
  • the communication component 816 is configured to facilitate wired or wireless communication between the device 800 and other devices.
  • the device 800 can access a wireless network based on a communication standard, such as Wi-Fi, 2G or 3G, or a combination thereof.
  • the communication component 816 receives a broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel.
  • the communication component 816 also includes a near field communication (NFC) module to facilitate short-range communication.
  • the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • the apparatus 800 may be implemented by one or more application specific integrated circuits (ASIC), digital signal processors (DSP), digital signal processing equipment (DSPD), programmable logic devices (PLD), field programmable A gate array (FPGA), controller, microcontroller, microprocessor, or other electronic components are implemented to implement the above methods.
  • ASIC application specific integrated circuits
  • DSP digital signal processors
  • DSPD digital signal processing equipment
  • PLD programmable logic devices
  • FPGA field programmable A gate array
  • controller microcontroller, microprocessor, or other electronic components are implemented to implement the above methods.
  • non-transitory computer-readable storage medium including instructions, such as the memory 804 including instructions, which can be executed by the processor 820 of the device 800 to complete the foregoing method.
  • the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, etc.
  • Figure 11 is a schematic diagram of a base station. 11, the device 900 includes a processing component 922, which further includes one or more processors, and a memory resource represented by a memory 932, for storing instructions that can be executed by the processing component 922, such as application programs.
  • the application program stored in the memory 932 may include one or more modules each corresponding to a set of instructions.
  • the processing component 922 is configured to execute instructions to execute the PDCCH monitoring method shown in FIG. 4 and/or FIG. 5.
  • the base station 900 may also include a power supply component 926 configured to perform power management of the device 900, a wired or wireless network interface 950 configured to connect the device 900 to the network, and an input output (I/O) interface 958.
  • the device 900 can operate based on an operating system stored in the memory 932, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM or the like.

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Abstract

本申请实施例提供一种PDCCH监听方法及装置、指示下发方法及装置、通信设备及非临时性计算机可读存储介质。所述PDCCH监听方法包括：从源小区切换到目标小区，若错过了所述目标小区内唤醒信号WUS的监听时刻，根据监听策略，依照所述WUS被监听到的结果，进行所述PDCCH的监听。

Description

监听方法、指示下发方法及装置、通信设备及存储 技术领域
本申请涉及无线通信领域但不限于无线通信领域，尤其涉及一种物理下行控制控制信道(Physical Downlink Control Channel，PDCCH)监听方法及装置、指示下发方法及装置、通信设备及非临时性计算机可读存储介质。
背景技术
终端具有非连续接收(Discontinuous Reception，DRX)态，在该DRX态的终端相对于处于连接态的终端功耗更低。
在DRX态下，设置有DRX周期，参考图1所示，在一个DRX周期内包括：唤醒时段(On Duration)和睡眠时段(Opportunity for DRX)。
在唤醒时段内终端处于唤醒状态，且终端可以监听物理下行控制信道(physical downlink control channel，PDCCH)；在休眠时段内终端处于休眠状态，且终端不可以监听所述PDCCH。
为了进一步节省处于DRX态终端的功耗，还引入了唤醒信号(Wake UP Signaling，WUS)，该WUS在唤醒时段之前进行发送，终端通过监听WUS，确定在后续的唤醒时段是否需要维持唤醒状态，以监听所述PDCCH。
发明内容
本申请实施例提供一种PDCCH监听方法及装置、指示下发方法及装置、通信设备及非临时性计算机可读存储介质。
根据本申请实施例第一方面，提供一种PDCCH的监听方法，包括：
从源小区切换到目标小区，若错过了所述目标小区内唤醒信号WUS的监听时刻，根据监听策略，依照所述WUS被监听到的结果，进行所述 PDCCH的监听。
根据本申请实施例第二方面，提供一种指示下发方法，其中，包括：
下发监听指示，其中，所述监听指示，用于供从源小区上切换到目标小区上，错过了所述目标小区上唤醒信号时，确定所述唤醒信号被监听到或未被监听的结果。
根据本申请实施例第三方面，提供一种物理下行控制信道PDCCH监听装置，包括：
监听模块，被配置为从源小区切换到目标小区，若错过了所述目标小区内唤醒信号WUS的监听时刻，根据监听策略，依照所述WUS被监听到的结果，进行所述PDCCH的监听。
根据本申请实施例第四方面，一种指示下发装置，包括：
下发模块，被配置为下发监听指示，其中，所述监听指示，用于供从源小区上切换到目标小区上，错过了所述目标小区上唤醒信号时，确定所述唤醒信号被监听到或未被监听的结果。
根据本申请实施例第五方面，提供一种通信设备，其中，包括：
收发器；
存储器；
处理器，分别与所述收发器及存储器连接，配置为通过执行存储在所述存储器上计算机可执行指令，控制所述收发器的收发，并能够实现前述任意技术方案提供的物理下行控制信道的监听方法或者指示下发方法。
根据本申请实施例第六方面，提供一种非临时性计算机可读存储介质，所述非临时性计算机可读存储介质上存储有计算机可执行指令；所述计算机可执行指令被处理器执行后，能够实现前述任意技术方案提供的物理下行控制信道的监听方法或者指示下发方法。
本实施例提供的技术方案，若终端从源小区切换到目标小区上时，错过了目标小区的唤醒信号的监听时刻，则会根据监听策略，按照唤醒信号被监听到，进行PDCCH的监听处理。若按照唤醒信号被监听到进行处理。如此，相当于终端内未设置监听策略，进行PDCCH的监听决策的相关技术，能够减少终端不知道处理导致的终端的处理混乱的现象，同时减少了终端随机选择是否进行PDCCH的监听导致的需要进行PDCCH监听时却未进行PDCCH监听，而无需监听PDCCH时却进行了PDCCH的监听。
附图说明
图1为一种DRX的示意图；
图2为本申请实施例提供的一种无线通信系统的结构示意图；
图3A为本申请实施例提供的一种PDCCH监听方法的流程示意图；
图3B为本申请实施例提供的一种PDCCH监听方法的流程示意图；
图4为本申请实施例提供的一种WUS与唤醒时段之间1:1的映射关系的示意图；
图5为本申请实施例提供的一种WUS与唤醒时段之间1：N的映射关系的示意图；
图6A为本申请实施例提供的一种在WUS与唤醒时段之间1:1的映射关系情况下，切换到目标小区上的示意图；
图6B为本申请实施例提供的一种在WUS与唤醒时段之间1：N的映射关系情况下，切换到目标小区上的示意图；
图7为本申请实施例提供的一种指示下发的示意图；
图8为本申请实施例提供的一种PDCCH监听装置的结构示意图；
图9为本申请实施例提供的一种指示下发装置的结构示意图；
图10为本申请实施例提供的一种终端的结构示意图；
图11为本申请实施例提供的一种基站的结构示意图。
具体实施方式
本申请实施例描述的网络架构以及业务场景是为了更加清楚地说明本申请实施例的技术方案，并不构成对本申请实施例提供的技术方案的限定，本领域普通技术人员可知，随着网络架构的演变和新业务场景的出现，本申请实施例提供的技术方案对于类似的技术问题，同样适用。
请参考图2，其示出了本申请实施例提供的一种无线通信系统的结构示意图。如图2所示，无线通信系统是基于蜂窝移动通信技术的通信系统，该无线通信系统可以包括：若干个终端110以及若干个基站120。
其中，终端110可以是指向用户提供语音和/或数据连通性的设备。终端110可以经无线接入网(Radio Access Network，RAN)与一个或多个核心网进行通信，终端110可以是物联网终端，如传感器设备、移动电话(或称为“蜂窝”电话)和具有物联网终端的计算机，例如，可以是固定式、便携式、袖珍式、手持式、计算机内置的或者车载的装置。例如，站(Station，STA)、订户单元(subscriber unit)、订户站(subscriber station)，移动站(mobile station)、移动台(mobile)、远程站(remote station)、接入点、远程终端(remote terminal)、接入终端(access terminal)、用户装置(user terminal)、用户代理(user agent)、用户设备(user device)、或用户终端(user equipment，UE)。或者，终端110也可以是无人飞行器的设备。或者，终端110也可以是车载设备，比如，可以是具有无线通信功能的行车电脑，或者是外接行车电脑的无线通信设备。或者，终端110也可以是路边设备，比如，可以是具有无线通信功能的路灯、信号灯或者其它路边设备等。
基站120可以是无线通信系统中的网络侧设备。其中，该无线通信系统可以是第四代移动通信技术(the 4th generation mobile communication，4G)系统，又称长期演进(Long Term Evolution，LTE)系统；或者，该无线通信系统也可以是5G系统，又称新空口(new radio，NR)系统或5G NR 系统。或者，该无线通信系统也可以是5G系统的再下一代系统。其中，5G系统中的接入网可以称为NG-RAN(New Generation-Radio Access Network，新一代无线接入网)。
其中，基站120可以是4G系统中采用的演进型基站(eNB)。或者，基站120也可以是5G系统中采用集中分布式架构的基站(gNB)。当基站120采用集中分布式架构时，通常包括集中单元(central unit，CU)和至少两个分布单元(distributed unit，DU)。集中单元中设置有分组数据汇聚协议(Packet Data Convergence Protocol，PDCP)层、无线链路层控制协议(Radio Link Control，RLC)层、媒体访问控制(Media Access Control，MAC)层的协议栈；分布单元中设置有物理(Physical，PHY)层协议栈，本申请实施例对基站120的具体实现方式不加以限定。
基站120和终端110之间可以通过无线空口建立无线连接。在不同的实施方式中，该无线空口是基于第四代移动通信网络技术(4G)标准的无线空口；或者，该无线空口是基于第五代移动通信网络技术(5G)标准的无线空口，比如该无线空口是新空口；或者，该无线空口也可以是基于5G的更下一代移动通信网络技术标准的无线空口。
在一些实施例中，终端110之间还可以建立E2E(End to End，端到端)连接。比如车联网通信(vehicle to everything，V2X)中的V2V(vehicle to vehicle，车对车)通信、V2I(vehicle to Infrastructure，车对路边设备)通信和V2P(vehicle to pedestrian，车对人)通信等场景。
在一些实施例中，上述无线通信系统还可以包含网络管理设备130。
若干个基站120分别与网络管理设备130相连。其中，网络管理设备130可以是无线通信系统中的核心网设备，比如，该网络管理设备130可以是演进的数据分组核心网(Evolved Packet Core，EPC)中的移动性管理实体(Mobility Management Entity，MME)。或者，该网络管理设备也可以是 其它的核心网设备，比如服务网关(Serving GateWay，SGW)、公用数据网网关(Public Data Network GateWay，PGW)、策略与计费规则功能单元(Policy and Charging Rules Function，PCRF)或者归属签约用户服务器(Home Subscriber Server，HSS)等。对于网络管理设备130的实现形态，本申请实施例不做限定。
如图3A所示，本实施例提供一种物理下行控制信道PDCCH的监听方法，包括：
从源小区切换到目标小区，若错过了目标小区内WUS的监听时刻，根据监听策略，依照WUS被监听到的结果进行PDCCH的监听。
如图3B所示，本实施例提供一种物理下行控制信道PDCCH的监听方法，包括：
从源小区切换到目标小区，若错过了目标小区内WUS的监听时刻，根据监听策略，依照WUS未被监听的结果不进行PDCCH的监听。
在本实施例中，所述源小区和所述目标小区可为由同一个基站形成的不同小区，也可以是由不同基站形成的小区。
在本实施例中，终端会在不同小区内进行切换，此处的从源小区切换到目标小区，包括：
终端在源小区与源基站建立连接，变更为：终端在目标小区与目标基站建立连接，如此，相当于完成了终端从源小区强烈换到目标小区；
和/或，
终端在源小区与源基站进行交互，变更为：终端在目标小区与基站进行交互。这里的交互的内容包括：数据、信号和/或信令等。
在源小区和目标小区上都会设置有唤醒信号(Wake Up Signaling，WUS)，基站在DRX周期的唤醒时段之前发送唤醒信号，该唤醒信号用于告知终端在该唤醒信号后的一个或多个唤醒时段是否需要维持唤醒状 态，以在唤醒时段内进行PDCCH的监听。
WUS是一种低功耗的检测信号，如此，终端可以消耗很低的功耗就能够完成WUS的检测或监听；再进一步根据WUS监听的结果，确定是否需要在对应的唤醒时段进行PDCCH的监听。终端未监听到对应唤醒时段的WUS，可以跳过该唤醒时段，即在该唤醒时段内依然维持休眠状态，从而不会监听PDCCH，以进一步节省终端的功耗。
在本实施例中，终端在T0时刻切换到目标小区上，在T0时刻之前T1时刻为WUS1的监听时刻，则T1时刻需要监听的WUS1为唤醒信号。
本实施例中，终端错过了目标小区内的唤醒信号的监听时刻包括：终端错过了目标小区内与当前时刻以前的前一个唤醒信号的监听时刻。
在一些实施例中，终端可能进行了移动，移动后为了确保通信质量，终端会从源小区切换到目标小区。
在另一些实施例中，在进行小区的负载均衡时，可能会有部分终端被从源小区切换到目标小区。
但是终端在切换到目标小区内之后，可能刚好错过了与目标小区上唤醒信号的监听时刻。此时，终端不知道如何进行唤醒时段内的PDCCH的监听。
有鉴于此，本实施例中，终端会根据监听指示按照当前监听到了唤醒信号的结果，进行PDCCH信道的监听，或者，按照当前未监听到唤醒信号的结果，不进行PDCCH信道的监听；如此，减少终端不知道如何处理，导致的终端的监听混乱现象。
在本实施例中进行PDCCH的监听，为监听PDCCH上是否有信号传输。PDCCH可用于传输PDCCH信令等。PDCCH对应了特定的时频资源，终端在唤醒时段进行PDCCH监听时，可以在PDCCH对应的时频资源上进行信号检测，从而实现对PDCCH的监听。
WUS被监听到的结果包括但不限于：监听到目标小区内的WUS的信号强度达到强度阈值等；若未监听到WUS或者监听到的WUS的强度未达到强度阈值，则可认为WUS未被监听到。
在一些实施例中，所述监听策略可包括：指示确定错过的WUS是否被监听到的第一策略信息。
在另一些实施例中，所述监听策略还包括：
指示根据WUS的监听结果进行PDCCH监听的第二策略信息。
在另一些实施例中，所述第一策略信息包括但不限于：确定错过的WUS的监听结果的确定方式和/或确定参数。
在另一些实施例中，所述方法还包括：
在确定是否进行PDCCH监听之前，先根据所述监听策略中的第一策略信息确定错过的WUS的监听结果。
在还有一些实施例中，所述方法进一步包括：根据第二策略信息，根据错过的WUS的监听结果，确定PDCCH监听或不进行PDCCH的监听。
在一些实施例中，监听策略还可仅包括所述第二策略信息。此时，错过的WUS的监听结果是根据监听策略以外的信息确定的。
在一些实施例中，根据监听指示依照唤醒信号被监听到的结果进行PDCCH的监听，包括：
根据监听指示依照唤醒信号被监听到的结果，在唤醒信号的生效范围内的唤醒时段内，进行PDCCH的监听。
一个WUS对应了特定的PDCCH的监听范围，该监听范围可为前述的生效范围。
例如，一个WUS可以对应于DRX周期中的一个唤醒时段或多个唤醒时段，这些唤醒时段即为该WUS对应的生效范围。
即所述唤醒信号与唤醒时段之间的映射关系可为1:1；或者，1：N，N为等于2或大于2的正整数。
图4所示为WUS与唤醒时段之间1：1的映射关系的示意图，如此，唤醒时段1、唤醒时段2及唤醒时段3分别对应了各自的WUS，且分别是WUS1、WUS2及WUS3。
图5所示为：WUS与唤醒时段之间1：N的映射俄关系的示意图。如此，若终端若监听到了1个WUS，则需要在该WUS对应的N个唤醒时段内均进行PDCCH的监听。在图5中，一个WUS映射了3个唤醒时段，分别是唤醒时段a、唤醒时段a+1及唤醒时段a+2。
在本实施例中错过的唤醒信号的生效范围可能包括一个或多个唤醒时段。
在本实施例中，若错过了目标小区上的唤醒信号，根据监听策略视为唤醒信号被监听到时，则会在该唤醒信号的生效范围内进行PDCCH的监听，减少生效范围外的监听导致的终端不必要的功耗。
在一些实施例中，在唤醒信号的生效范围内的唤醒时段内进行PDCCH的监听，包括：
在所述WUS与所述唤醒时段之间的映射关系为1:1，且所述WUS对应的所述唤醒时段尚未开始时，在所述WUS对应的一个所述唤醒时段内，进行所述PDCCH的监听。
例如，在WUS和唤醒时段为1:1的映射关系时，则生效范围为一个唤醒时段，在该唤醒时段内进行PDCCH的监听。
若终端从源小区切换到目标小区上时，不仅错过了目标小区上唤醒信号的监听，而且唤醒信号所对应的唤醒时段尚未开始，则在尚未开始的唤醒时段的剩余时间监听PDCCH，如此，减少错过PDCCH下发的重要内容。
参考图6A所示，在WUS与唤醒时段之间1:1映射时。图6A展示了：在目标小区内的WUS的监听时刻之后，在WUS对应的唤醒时段n的起始时刻之前的T1时刻，切换到目标小区，在唤醒时段n内进行PDCCH的监听。
在一些实施例中，在唤醒信号的生效范围内的唤醒时段内进行PDCCH的监听，包括：
在所述WUS与所述唤醒时段之间的映射关系为1：N时，在所述WUS对应的上尚未开始的M1个唤醒时段内，进行所述PDCCH的监听。
N的取值可为2、3或4等取值，总之，N可以为2或大于2的取值。
如此，在WUS与唤醒时段是1：N的映射关系时，不管是切换时刻是在所述WUS所对应的唤醒时段内，还是在唤醒时段外，都是在尚未开始的剩余唤醒时段内进行PDCCH的监听。
该切换时刻可为：终端从源小区切换到目标小区的时间。
在一些实施例中，所述在所述WUS与所述唤醒时段之间的映射关系为1：N时，在所述WUS对应的上尚未开始的M1个唤醒时段内，进行所述PDCCH的监听，可包括：
在所述WUS与所述唤醒时段之间的映射关系为1：N，且所述WUS对应的当前唤醒时段已经开始时，在所述WUS对应的上尚未开始的M1个唤醒时段内，进行所述PDCCH的监听，其中，M1为小于N且大于1的正整数，N为等于或大于2的正整数。
例如，N＝3，M＝2；若终端在第1个唤醒时段所对应的时间内切换到目标小区上，在本实施例中，终端不会对已经开始但是尚未结束的第1个唤醒时段的剩余时间继续进行PDCCH的监听，而是会直接从第2个唤醒时段开始PDCCH的监听，并在第2个唤醒时段和第3个唤醒时段进行PDCCH的监听。
在另一些实施例中，所述在所述WUS与所述唤醒时段之间的映射关系为1：N时，在所述WUS对应的上尚未开始的M1个唤醒时段内，进行所述PDCCH的监听，可包括：
在所述WUS与所述唤醒时段之间的映射关系为1：N，且所述WUS对应的当前唤醒时段尚未开始时，在所述WUS对应的上尚未开始的M2个唤醒时段内，进行所述PDCCH的监听，其中，M2为小于或等于N，且大于1的正整数，N为等于或大于2的正整数。
例如，N＝3，M＝2；若终端在第1个唤醒时段结束之后且在第2个唤醒时段开始之前切换到目标小区上，在本实施例中，终端会直接从第2个唤醒时段开始PDCCH的监听，并在第2个唤醒时段和第3个唤醒时段进行PDCCH的监听。
参考图6B所示的情况1：终端在T1时刻切换到目标小区上，T1时刻在目标小区上的唤醒信号的监听时刻之后，且在唤醒信号所对应的唤醒时段n的起始时刻之前，如此，若错过的前一个监听时刻的WUS映射了3个唤醒时段，分别是唤醒时段n、唤醒时段n+1及唤醒时段n+2，则终端会在唤醒时段n、唤醒时段n+1及唤醒时段n+2内进行PDCCH的监听。
参考图6B所示的情况2：终端在T2时刻切换到目标小区上，T2时刻在目标小区上的唤醒信号的监听时刻和唤醒信号所对应的唤醒时段n的起始时刻之间，如此，若错过的前一个监听时刻的WUS映射了3个唤醒时段，分别是唤醒时段n、唤醒时段n+1及唤醒时段n+2，则终端会在整个唤醒时段n+1及唤醒时段n+2内进行PDCCH的监听。
参考图6B所示的情况3：终端在T3时刻切换到目标小区上，T3时刻在目标小区上的唤醒信号的监听时刻和唤醒信号所对应的唤醒时段n的结束时刻之后，如此，若错过的前一个监听时刻的WUS映射了3个唤 醒时段，分别是唤醒时段n、唤醒时段n+1及唤醒时段n+2，则终端会在整个唤醒时段n+1及唤醒时段n+2内进行PDCCH的监听。
在一些实施例中，从源小区切换到目标小区，若错过了目标小区上唤醒信号的监听时刻，根据监听策略，依照唤醒信号未被监听的结果不进行PDCCH的监听，包括：
在所述WUS与所述唤醒时段之间的映射关系为1:1，且所述WUS对应的所述唤醒时段尚未开始时，在所述WUS对应的一个所述唤醒时段内，不进行所述PDCCH的监听。
根据WUS与唤醒时段之间的映射关系不同，则错过的WUS的生效范围不同。
例如，WUS与唤醒时段之间是1:1的映射关系，则该错过的WUS的生效范围为1个唤醒时段；再例如，WUS与唤醒时段之间是1：N的映射关系，则该错过的WUS的生效范围为N个唤醒时段。
例如，在所述WUS与所述唤醒时段之间的映射关系为1:1，且所述WUS对应的所述唤醒时段尚未开始时，在所述WUS对应的一个所述唤醒时段内，进行所述PDCCH的监听。
若根据监听策略，是按照WUS未被监听到作为WUS的监听结果，则不会进行PDCCH的监听。
在WUS和唤醒时段之间是1:1的映射关系时，不管在唤醒时段内还是在唤醒时段外切换到目标小区，都不会监听WUS所对应的唤醒时段内的PDCCH，以减少不必要的监听。
再例如，在所述WUS与所述唤醒时段之间的映射关系为1：N，在所述WUS对应的上尚未开始的M3个唤醒时段内，不进行所述PDCCH的监听，其中，M3为小于N且大于1的正整数，N为等于或大于2的正整数。
在WUS与唤醒时段之间的映射关系为1：N时，不管终端从源小区切换到目标小区的切换时刻是位于其中一个唤醒时段之内，还是位于两个唤醒时段之间，都仅会对切换时刻以后的错过的WUS的生效范围内的剩余唤醒时段不进行PDCCH的监听。
故在一些实施例中，在所述WUS与所述唤醒时段之间的映射关系为1：N，且所述WUS对应的当前唤醒时段已经开始时，在所述WUS对应的上尚未开始的M3个唤醒时段内，不进行所述PDCCH的监听，其中，M3为小于N且大于1的正整数，N为等于或大于2的正整数
在另一些实施例中，在所述WUS与所述唤醒时段之间的映射关系为1：N，且所述WUS对应的当前唤醒时段尚未开始时，在所述WUS对应的上尚未开始的M4个唤醒时段内，不进行所述PDCCH的监听，其中，M4为小于或等于N，且大于1的正整数，N为等于或大于2的正整数。
在一些实施例中，所述方法，还包括：
接收携带有所述目标小区的监听指示；
根据所述目标小区的监听指示，确定所述WUS被监听到或未被监听到的结果。
终端从源小区切换到目标小区的过程中，或从源小区切换到目标小区之后，终端会接收到监听指示。
在本实施例中，根据监听指示来确定错过的WUS的监听结果，该监听结果包括：被监听到和未被监听到。
如此，目标小区可以根据自身的容量、目标小区与终端之间的业务交互的需求，动态指示终端是否监听PDCCH。
在一些实施例中，所述根据所述目标小区的监听指示，确定所述WUS被监听到或未被监听到的监听结果，包括：
当所述监听指示为第一指示时，确定所述WUS被监听到的结果；
或者，
当所述监听指示为第二指示时，确定所述WUS未被监听到的结果。
例如，所述监听指示可由一个或多个比特来指示。此处的一个或多个比特的值为第一取值时，可认为是所述第一指示；一个或多个比特的值为第二取值时，可认为是所述第二指示。第一取值不同于第二取值。
在本实施例中，所述监听指示可为携带在任意信令中的一个比特，一个比特就能够完成指示，减少比特开销。
例如，一个比特的所述监听指示可为携带在系统消息中的比特，或者，无线资源控制信令中的比特。
例如，所述监听指示为1个比特时，若所述第一指示对应的比特值为“0”，则第二指示对应的比特值为“1”。若所述第一指示对应的比特值为“1”，则第二指示对应的比特值为“0”。
在一些实施例中，所述接收携带有所述目标小区的监听指示，包括：
接收携带有所述监听指示的小区切换命令。
小区切换命令可为指示终端进行小区切换的命令，接收到小区切换命令后，终端从源小区切换到目标小区。该小区切换命令可由源小区发送的，也可以是由目标小区发送的。
在本实施例中，小区切换命令还携带有监听指示，如此不用专门下发包含监听指示的信令，减少了信令下发频次。
在一些实施例中，所述还包括：根据通信协议或预先约定，确定所述WUS被监听到或未被监听到的结果。
该通信协议可为预先写入终端中在通信过程中所需遵守的标准；还可以是终端在升级的过程中下载更新的通信协议。
所述预先约定可为：终端与基站之间可以通过协商方式，预先确定终端从源小区切换到目标小区之后，如何确定错过的WUS是否被监听 到。
在另一些实施例中，所述方法，还包括：
根据目标小区内WUS的配置信息及所述小区的WUS的配置信息，确定所述WUS被监听到或未被监听到的结果。
目标小区会对其下发的WUS进行配置，得到配置信息；同样地，源小区也会其下发的WUS进行配置得到配置信息。
在本实施例中，可以结合这两个小区的配置信息来确定切换到目标小区后，错过的WUS是否被监听到。
例如，所述根据目标小区内WUS的配置信息及源小区的WUS的配置信息，确定所述WUS被监听到或未被监听到的结果，包括：
当所述目标小区内的WUS图样比所述源小区的WUS图样密集时，确定所述WUS被监听到；
或者，
当所述目标小区的WUS图样比所述源小区的WUT图样稀疏时，确定所述WUS未被监听到。
目标小区内的WUS图样比源小区的WUS图样密集，说明目标小区内的WUS下发频率比源小区的WUS的下发频率高，则终端错过的切换时刻的前一个WUS的监听时刻，是有更大的概率有下发WUS的；反着则可能错过的WUS的监听时刻，是有比较小的概率下发WUS的。
故在本实施例中，通过比对目标小区的WUS图样和源小区的WUS图样，可以比较合适的用于确定是否进行PDCCH监听的WUS的监听结果。
在一些实施例中，还可以仅基于目标小区的WUS配置信息，确定是否错过的前一个监听时刻的WUS的监听结果。例如，WUS图样中WUS的监听时刻的密集度大于预设密集度，则可认为错过的WUS的监听时刻 的WUS被监听到，否则未被监听到。
若源小区未配置WUS图样，则认为源小区的WUS图样的密集度为默认的最密集的WUS图样。
例如，终端在源小区未接收到WUS图样可认为源小区的WUS图样为最密集的WUS图样。如此，在将源小区的WUS图样与目标小区的WUS图样进行密集度比较时，会将源小区的WUS图样视为最密集的WUS图样进行比较。
如图7所示，本实施例提供一种指示下发方法，其中，包括：
下发监听指示，其中，所述监听指示，用于供从源小区上切换到目标小区上，错过了所述目标小区上唤醒信号时，确定所述唤醒信号被监听到或未被监听的结果。
本实施例提供的方法可应用于基站中，基站可以通过广播信令或专用指示下发监听指示，如此，可以供终端从源小区切换到目标小区以后，即便在错够了目标小区上唤醒信号时，仍然能够根据唤醒信号被监听到或未被监听到的结果，指导终端进行PDCCH的监听或不监听。
在本实施例中，所述方法还包括：
通过PDCCH下发各种信令，例如，业务调度信令等。
其中，所述唤醒信号被监听到或未被监听到的结果，将用于终端确定是否进行所述PDCCH的监听。
在一些实施例中，所述监听指示携带在小区切换指令中下发，提升监听指示的下发速率，并减少信令的下发次数。
如图8所示，本实施例还提供一种PDCCH监听装置，其中，包括：
监听模块，被配置为从源小区切换到目标小区，若错过了目标小区上唤醒信号的监听时刻，根据监听策略，依照唤醒信号被监听到的结果，进行PDCCH的监听。
在一些实施例中，所述装置还包括存储所述监听策略的模块。
所述监听模块可为程序模块、软硬结合模块或纯硬件模块。
在一些实施例中，所述监听模块，被配置为根据所述监听策略，依照所述WUS被监听到的结果，在所述WUS的生效范围内的唤醒时段内，进行所述PDCCH的监听。
在一些实施例中，所述监听模块，被配置
在所述WUS与所述唤醒时段之间的映射关系为1:1，且所述WUS对应的所述唤醒时段尚未开始时，在所述WUS对应的一个所述唤醒时段内，进行所述PDCCH的监听。
在一些实施例中，所述监听模块，被配置在所述WUS与所述唤醒时段之间的映射关系为1：N，且所述WUS对应的当前唤醒时段已经开始时，在所述WUS对应的上尚未开始的M1个唤醒时段内，进行所述PDCCH的监听，其中，M1为小于N且大于1的正整数，N为等于或大于2的正整数。
在一些实施例中，所述监听模块，被配置在所述WUS与所述唤醒时段之间的映射关系为1：N，且所述WUS对应的当前唤醒时段尚未开始时，在所述WUS对应的上尚未开始的M2个唤醒时段内，进行所述PDCCH的监听，其中，M2为小于或等于N，且大于1的正整数，N为等于或大于2的正整数。
在一些实施例中，所述监听模块，被配置为根据所述监听策略，依照所述WUS未被监听的结果，不进行所述PDCCH的监听。
在一些实施例中，所述监听模块，被配置为在所述WUS与所述唤醒时段之间的映射关系为1:1，且所述WUS对应的所述唤醒时段尚未开始时，在所述WUS对应的一个所述唤醒时段内，不进行所述PDCCH的监听。
在一些实施例中，所述监听模块，被配置在所述WUS与所述唤醒时段之间的映射关系为1：N，且所述WUS对应的当前唤醒时段已经开始时，在所述WUS对应的上尚未开始的M3个唤醒时段内，不进行所述PDCCH的监听，其中，M3为小于N且大于1的正整数，N为等于或大于2的正整数。
在一些实施例中，所述监听模块，被配置在所述WUS与所述唤醒时段之间的映射关系为1：N，且所述WUS对应的当前唤醒时段尚未开始时，在所述WUS对应的上尚未开始的M4个唤醒时段内，不进行所述PDCCH的监听，其中，M4为小于或等于N，且大于1的正整数，N为等于或大于2的正整数。
在一些实施例中，所述装置，还包括：
接收模块，被配置为接收携带有所述目标小区的监听指示；
第一确定模块，被配置为根据所述目标小区的监听指示，确定所述WUS被监听到或未被监听到的结果。
在一些实施例中，所述第一确定模块，被配置为当所述监听指示为第一指示时，确定所述WUS被监听到的结果；或者，当所述监听指示为第二指示时，确定所述WUS未被监听到的结果。
在一些实施例中，所述接收模块，被配置为接收携带有所述监听指示的小区切换命令。
在一些实施例中，所述装置，还包括：
第二确定模块，被配置为根据通信协议或预先约定，确定所述WUS被监听到或未被监听到的结果。
在一些实施例中，所述装置，还包括：
第三确定模块，被配置为根据目标小区内WUS的配置信息及所述小区的WUS的配置信息，确定所述WUS被监听到或未被监听到的结果。
在一些实施例中，所述第三确定模块，被配置为当所述目标小区内的WUS图样比所述源小区的WUS图样密集时，确定所述WUS被监听到；或者，当所述目标小区的WUS图样比所述源小区的WUT图样稀疏时，确定所述WUS未被监听到。
如图9所示，本实施例还提供一种指示下发装置，其中，包括：
下发模块，被配置为下发监听指示，其中，所述监听指示，用于供从源小区上切换到目标小区上，错过了所述目标小区上唤醒信号时，确定所述唤醒信号被监听到或未被监听的结果。
在一些实施例中，所述监听指示携带在小区切换指令中下发。
本实施例提供的指示下发装置可为应用于基站等接入网网元中的装置，能够通过下发模块下发携带有监听指示的信令，如此终端就可以接收到判定信息。
在一些实施例中，指示下发装置内还包括：存储模块，该存储模块与下发模块连接，能够用于存储监听指示。
以下结合上述任意实施例提供几个具体示例：
示例1：
UE切换到目标小区上按照目标基站给出的WUS的监听指示进行WUS监听处理，此处的目标基站为目标小区的基站。根据监听指示确定错过了前一个监听时刻的WUS是否被监听到。
UE切换到目标小区上，若错过了目标小区上WUS监听时刻，则采取的监听策略是将当错过前一个监听时刻的WUS，按照WUS被监听到进行处理，或者没有被监听到WUS进行处理：若按照WUS被监听到进行处理，则终端会进行PDCCH的监听；若按照WUS未被监听到进行处理，则终端不会进行PDCCH的监听。此处错过的WUS为前述的唤醒信号。
作为一种实施方式，监听指示可以是一个显式指示“1”，则意味着若UE切换到目标小区，错过了WUS监听时刻则采取的监听策略是将当前一个错过的WUS监听时刻按照WUS检测到进行处理。
作为一种实施方式，监听指示可以是一个显式指示“0”，则意味着若UE切换到目标小区，错过了WUS监听时刻则采取的监听策略是将当前一个错过的WUS监听时刻按照WUS没有检测到进行处理。
具体地如，UE切换到目标小区后，若错过了目标小区上的WUS监听时刻，则采取的监听指示是：将当错过的前一个监听时刻按照WUS监听到进行处理，即对后续WUS的生效范围内的唤醒时段进行监听。
WUS的生效范围包括：
WUS与唤醒时段之间的映射关系为1:1，即，1个WUS与一个唤醒时段的1:1映射场景。
WUS对与唤醒时段之间的映射关系为：1：N，即，1个WUS与N个唤醒时段的1：N的映射场景。
示例2：
基于示例1，
本示例针对1：1的映射场景，终端在错过目标小区上的WUS时，根据监听策略进行PDCCH监听或不进行PDCCH监听包括：
终端切换到目标小区时，WUS对应的唤醒时段尚未开始，则终端对即将开始的唤醒时段时刻进行PDCCH的监听或不监听。
示例3：
基于示例1，
本示例针对1：N的映射场景，终端在错过目标小区上的WUS时，根据监听指示进行PDCCH监听或不进行PDCCH监听的几种可能情况：
情况1：
终端切换到目标小区时，在当前时刻，目标小区上的WUS对应的唤醒时段尚未开始，并继续监听剩下尚未开始的M个即将到来的唤醒时段时刻。M为N中去除终端错过的唤醒时段的个数。
例如，假设N＝4，而终端在第二个唤醒时段的起始时刻之前切换到目标小区，则终端从第二个唤醒时段剩余时刻开始监听，此时包括部分唤醒时段和剩余的2个唤醒时段。
情况2：
终端切换到目标小区时，错过的目标小区上的WUS对应的唤醒时段已经开始，终端将从切换到目标小区时刻开始继续监听剩下尚未的M个即将到来的唤醒时段时刻。例如，假设N＝4，而终端在第二个唤醒时段开始之后切换到目标小区，则终端从第3个唤醒时段时刻开始监听，即从剩余的尚未开始的2个唤醒时段继续监听。
示例4：
本示例基于示例1、示例2及示例3，提供一种错过的前一个监听时刻的WUS是否被监听到的认定方式，包括：
作为一种实施方式：终端切换到目标小区上若错过了WUS的监听时刻则采取的监听策略是：将当前一个错过的WUS监听时刻按照WUS检测到进行处理或者没有检测到WUS进行处理中，对于WUS是否监听到还可以基于协议规定。
作为另一种实施方式：协议规定UE切换到目标小区上若错过了WUS监听时刻则采取的监听策略是将当前一个错过的WUS监听时刻按照WUS检测到进行处理：
UE切换到目标小区上若错过了WUS监听时刻则采取的监听策略是将当前一个错过的WUS监听时刻按照WUS检测到进行处理或者没有检测到WUS进行处理中，对于WUS是否检测到还可以基于原小区和/或目 标小区的WUS pattern配置情况进行判决：
作为一种实施例，若UE发现目标小区配置的WUS图样(pattern)配置更加密集于原小区，比如原小区和目标小区分别配置为3：1，则UE切换到目标小区上若错过了WUS监听时刻则采取的监听策略是将当前一个错过的WUS监听时刻按照WUS检测到进行处理；此时意味着目标小区需要监听更加密集。
作为一种实施例，若UE发现目标小区配置的WUS图样配置更加稀疏于原小区，比如原小区和目标小区分别配置为1：3，则UE切换到目标小区上若错过了WUS监听时刻则采取的监听策略是将当前一个错过的WUS监听时刻按照没有WUS检测到进行处理；此时意味着目标小区需要监听更加稀疏。
该通信设备还可为基站等接入网网元，能够实现前述任意技术方案提供的指示下发方法。
本实施例提供的通信设备包括：收发器、存储器及处理器。收发器可用于与其他设备进行交互，收发器包括但不限于收发天线。存储器可存储有计算机可执行指令；处理器分别与收发器及存储器连接，能够实现前述任意技术方案提供的PDCCH监听方法或信令下方法。
图10是根据一示例性实施例示出的一种终端，该终端具体可是移动电话，计算机，数字广播终端，消息收发设备，游戏控制台，平板设备，医疗设备，健身设备，个人数字助理等。
参照图10，装置800可以包括以下一个或多个组件：处理组件802，存储器804，电源组件806，多媒体组件808，音频组件810，输入/输出(I/O)的接口812，传感器组件814，以及通信组件816。
处理组件802通常控制装置800的整体操作，诸如与显示，电话呼叫，数据通信，相机操作和记录操作相关联的操作。处理组件802可以包括一 个或多个处理器820来执行指令，以完成上述的方法的全部或部分步骤。此外，处理组件802可以包括一个或多个模块，便于处理组件802和其他组件之间的交互。例如，处理组件802可以包括多媒体模块，以方便多媒体组件808和处理组件802之间的交互。
存储器804被配置为存储各种类型的数据以支持在设备800的操作。这些数据的示例包括用于在装置800上操作的任何应用程序或方法的指令，联系人数据，电话簿数据，消息，图片，视频等。存储器804可以由任何类型的易失性或非易失性存储设备或者它们的组合实现，如静态随机存取存储器(SRAM)，电可擦除可编程只读存储器(EEPROM)，可擦除可编程只读存储器(EPROM)，可编程只读存储器(PROM)，只读存储器(ROM)，磁存储器，快闪存储器，磁盘或光盘。
电源组件806为装置800的各种组件提供电力。电源组件806可以包括电源管理系统，一个或多个电源，及其他与为装置800生成、管理和分配电力相关联的组件。
多媒体组件808包括在装置800和用户之间的提供一个输出接口的屏幕。在一些实施例中，屏幕可以包括液晶显示器(LCD)和触摸面板(TP)。如果屏幕包括触摸面板，屏幕可以被实现为触摸屏，以接收来自用户的输入信号。触摸面板包括一个或多个触摸传感器以感测触摸、滑动和触摸面板上的手势。触摸传感器可以不仅感测触摸或滑动动作的边界，而且还检测与触摸或滑动操作相关的持续时间和压力。在一些实施例中，多媒体组件808包括一个前置摄像头和/或后置摄像头。当设备800处于操作模式，如拍摄模式或视频模式时，前置摄像头和/或后置摄像头可以接收外部的多媒体数据。每个前置摄像头和后置摄像头可以是一个固定的光学透镜系统或具有焦距和光学变焦能力。
音频组件810被配置为输出和/或输入音频信号。例如，音频组件810 包括一个麦克风(MIC)，当装置800处于操作模式，如呼叫模式、记录模式和语音识别模式时，麦克风被配置为接收外部音频信号。所接收的音频信号可以被进一步存储在存储器804或经由通信组件816发送。在一些实施例中，音频组件810还包括一个扬声器，用于输出音频信号。
I/O接口812为处理组件802和外围接口模块之间提供接口，上述外围接口模块可以是键盘，点击轮，按钮等。这些按钮可包括但不限于：主页按钮、音量按钮、启动按钮和锁定按钮。
传感器组件814包括一个或多个传感器，用于为装置800提供各个方面的状态评估。例如，传感器组件814可以检测到设备800的打开/关闭状态，组件的相对定位，例如组件为装置800的显示器和小键盘，传感器组件814还可以检测装置800或装置800一个组件的位置改变，用户与装置800接触的存在或不存在，装置800方位或加速/减速和装置800的温度变化。传感器组件814可以包括接近传感器，被配置用来在没有任何的物理接触时检测附近物体的存在。传感器组件814还可以包括光传感器，如CMOS或CCD图像传感器，用于在成像应用中使用。在一些实施例中，该传感器组件814还可以包括加速度传感器，陀螺仪传感器，磁传感器，压力传感器或温度传感器。
通信组件816被配置为便于装置800和其他设备之间有线或无线方式的通信。装置800可以接入基于通信标准的无线网络，如Wi-Fi，2G或3G，或它们的组合。在一个示例性实施例中，通信组件816经由广播信道接收来自外部广播管理系统的广播信号或广播相关信息。在一个示例性实施例中，通信组件816还包括近场通信(NFC)模块，以促进短程通信。例如，在NFC模块可基于射频识别(RFID)技术，红外数据协会(IrDA)技术，超宽带(UWB)技术，蓝牙(BT)技术和其他技术来实现。
在示例性实施例中，装置800可以被一个或多个应用专用集成电路 (ASIC)、数字信号处理器(DSP)、数字信号处理设备(DSPD)、可编程逻辑器件(PLD)、现场可编程门阵列(FPGA)、控制器、微控制器、微处理器或其他电子元件实现，用于执行上述方法。
在示例性实施例中，还提供了一种包括指令的非临时性计算机可读存储介质，例如包括指令的存储器804，上述指令可由装置800的处理器820执行以完成上述方法。例如，非临时性计算机可读存储介质可以是ROM、随机存取存储器(RAM)、CD-ROM、磁带、软盘和光数据存储设备等。
图11是一基站的示意图。参照图11，装置900包括处理组件922，其进一步包括一个或多个处理器，以及由存储器932所代表的存储器资源，用于存储可由处理组件922的执行的指令，例如应用程序。存储器932中存储的应用程序可以包括一个或一个以上的每一个对应于一组指令的模块。此外，处理组件922被配置为执行指令，以执行图4和/或图5所示的PDCCH监听方法。
基站900还可以包括一个电源组件926被配置为执行装置900的电源管理，一个有线或无线网络接口950被配置为将装置900连接到网络，和一个输入输出(I/O)接口958。装置900可以操作基于存储在存储器932的操作系统，例如Windows ServerTM，Mac OS XTM，UnixTM,LinuxTM，FreeBSDTM或类似。
本领域技术人员在考虑说明书及实践这里公开的发明后，将容易想到本申请的其它实施方案。本申请旨在涵盖本申请的任何变型、用途或者适应性变化，这些变型、用途或者适应性变化遵循本申请的一般性原理并包括本申请未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的，本申请的真正范围和精神由下面的权利要求指出。
应当理解的是，本申请并不局限于上面已经描述并在附图中示出的精确结构，并且可以在不脱离其范围进行各种修改和改变。本申请的范围仅 由所附的权利要求来限制。

Claims (36)

  1. 一种物理下行控制信道PDCCH的监听方法，其中，包括：
    从源小区切换到目标小区，若错过了所述目标小区内唤醒信号WUS的监听时刻，根据监听策略，依照所述WUS被监听到的结果，进行所述PDCCH的监听处理。
  2. 根据权利要求1所述的方法，其中，所述根据监听策略，依照WUS被监听到的结果进行所述PDCCH的监听处理，包括：
    根据所述监听策略，依照所述WUS被监听到的结果，在所述WUS的生效范围内的唤醒时段内，进行所述PDCCH的监听。
  3. 根据权利要求2所述的方法，其中，所述在所述WUS的生效范围内的唤醒时段内，进行所述PDCCH的监听，包括：
    在所述WUS与所述唤醒时段之间的映射关系为1:1，且所述WUS对应的所述唤醒时段尚未开始时，在所述WUS对应的一个所述唤醒时段内，进行所述PDCCH的监听。
  4. 根据权利要求2所述的方法，其中，所述在所述WUS的生效范围内的唤醒时段内，进行所述PDCCH的监听，包括：
    在所述WUS与所述唤醒时段之间的映射关系为1：N，且所述WUS对应的当前唤醒时段已经开始时，在所述WUS对应的尚未开始的M1个唤醒时段内，进行所述PDCCH的监听，其中，M1为小于N且大于1的正整数，N为等于或大于2的正整数。
  5. 根据权利要求2所述的方法，其中，所述在所述WUS的生效范围内的唤醒时段内，进行所述PDCCH的监听，包括：
    在所述WUS与所述唤醒时段之间的映射关系为1：N，且所述WUS对应的当前唤醒时段尚未开始时，在所述WUS对应的上尚未开始的M2个唤醒时段内，进行所述PDCCH的监听，其中，M2为小于或等于N， 且大于1的正整数，N为等于或大于2的正整数。
  6. 根据权利要求1所述的方法，其中，所述方法还包括：
    根据所述监听策略，依照所述WUS未被监听的结果，不进行所述PDCCH的监听。
  7. 根据权利要求6所述的方法，其中，所述依照所述WUS未被监听的结果，不进行所述PDCCH的监听，包括：
    在所述WUS与所述唤醒时段之间的映射关系为1:1，且所述WUS对应的所述唤醒时段尚未开始时，在所述WUS对应的一个所述唤醒时段内，不进行所述PDCCH的监听。
  8. 根据权利要求7所述的方法，其中，所述在所述WUS的生效范围内的唤醒时段内，不进行所述PDCCH的监听，包括：
    在所述WUS与所述唤醒时段之间的映射关系为1：N，且所述WUS对应的当前唤醒时段已经开始时，在所述WUS对应的上尚未开始的M3个唤醒时段内，不进行所述PDCCH的监听，其中，M3为小于N且大于1的正整数，N为等于或大于2的正整数。
  9. 根据权利要求7所述的方法，其中，所述在所述WUS的生效范围内的唤醒时段内，不进行所述PDCCH的监听，包括：
    在所述WUS与所述唤醒时段之间的映射关系为1：N，且所述WUS对应的当前唤醒时段尚未开始时，在所述WUS对应的上尚未开始的M4个唤醒时段内，不进行所述PDCCH的监听，其中，M4为小于或等于N，且大于1的正整数，N为等于或大于2的正整数。
  10. 根据权利要求1至9任一项所述的方法，其中，所述方法，还包括：
    接收携带有所述目标小区的监听指示；
    根据所述目标小区的监听指示，确定所述WUS被监听到或未被监听 到的结果。
  11. 根据权利要求10所述的方法，其中，所述根据所述目标小区的监听指示，确定所述WUS被监听到或未被监听到的监听结果，包括：
    当所述监听指示为第一指示时，确定所述WUS被监听到的结果；
    或者，
    当所述监听指示为第二指示时，确定所述WUS未被监听到的结果。
  12. 根据权利要求10所述的方法，其中，所述接收携带有所述目标小区的监听指示，包括：
    接收携带有所述监听指示的小区切换命令。
  13. 根据权利要求12所述的方法，其中，所述方法，还包括：
    根据通信协议或预先约定，确定所述WUS被监听到或未被监听到的结果。
  14. 根据权利要求1至9任一项所述的方法，其中，所述方法，还包括：
    根据目标小区内WUS的配置信息及所述源小区的WUS的配置信息，确定所述WUS被监听到或未被监听到的结果。
  15. 根据权利要求14所述的方法，其中，所述根据目标小区内WUS的配置信息及所述源小区的WUS的配置信息，确定所述WUS被监听到或未被监听到的结果，包括：
    当所述目标小区内的WUS图样比所述源小区的WUS图样密集时，确定所述WUS被监听到；
    或者，
    当所述目标小区的WUS图样比所述源小区的WUT图样稀疏时，确定所述WUS未被监听到。
  16. 一种指示下发方法，其中，包括：
    下发监听指示，其中，所述监听指示，用于供从源小区上切换到目标小区上，错过了所述目标小区上唤醒信号时，确定所述唤醒信号被监听到或未被监听的结果。
  17. 根据权利要求16所述的方法，其中，所述监听指示携带在小区切换指令中下发。
  18. 一种物理下行控制信道PDCCH的监听装置，其中，包括：
    监听模块，被配置为从源小区切换到目标小区，若错过了所述目标小区内唤醒信号WUS的监听时刻，根据监听策略，依照所述WUS被监听到的结果，进行所述PDCCH的监听。
  19. 根据权利要求18所述的装置，其中，所述监听模块，被配置为根据所述监听策略，依照所述WUS被监听到的结果，在所述WUS的生效范围内的唤醒时段内，进行所述PDCCH的监听。
  20. 根据权利要求19所述的装置，其中，所述监听模块，被配置
    在所述WUS与所述唤醒时段之间的映射关系为1:1，且所述WUS对应的所述唤醒时段尚未开始时，在所述WUS对应的一个所述唤醒时段内，进行所述PDCCH的监听。
  21. 根据权利要求19所述的装置，其中，所述监听模块，被配置在所述WUS与所述唤醒时段之间的映射关系为1：N，且所述WUS对应的当前唤醒时段已经开始时，在所述WUS对应的上尚未开始的M1个唤醒时段内，进行所述PDCCH的监听，其中，M1为小于N且大于1的正整数，N为等于或大于2的正整数。
  22. 根据权利要求19所述的装置，其中，所述监听模块，被配置在所述WUS与所述唤醒时段之间的映射关系为1：N，且所述WUS对应的当前唤醒时段尚未开始时，在所述WUS对应的上尚未开始的M2个唤醒时段内，进行所述PDCCH的监听，其中，M2为小于或等于N，且大 于1的正整数，N为等于或大于2的正整数。
  23. 根据权利要求18所述的装置，其中，所述监听模块，被配置为根据所述监听策略，依照所述WUS未被监听的结果，不进行所述PDCCH的监听。
  24. 根据权利要求23所述的装置，其中，所述监听模块，被配置为在所述WUS与所述唤醒时段之间的映射关系为1:1，且所述WUS对应的所述唤醒时段尚未开始时，在所述WUS对应的一个所述唤醒时段内，不进行所述PDCCH的监听。
  25. 根据权利要求24所述的装置，其中，所述监听模块，被配置在所述WUS与所述唤醒时段之间的映射关系为1：N，且所述WUS对应的当前唤醒时段已经开始时，在所述WUS对应的上尚未开始的M3个唤醒时段内，不进行所述PDCCH的监听，其中，M3为小于N且大于1的正整数，N为等于或大于2的正整数。
  26. 根据权利要求24所述的装置，其中，所述监听模块，被配置在所述WUS与所述唤醒时段之间的映射关系为1：N，且所述WUS对应的当前唤醒时段尚未开始时，在所述WUS对应的上尚未开始的M4个唤醒时段内，不进行所述PDCCH的监听，其中，M4为小于或等于N，且大于1的正整数，N为等于或大于2的正整数。
  27. 根据权利要求18至26任一项所述的装置，其中，所述装置，还包括：
    接收模块，被配置为接收携带有所述目标小区的监听指示；
    第一确定模块，被配置为根据所述目标小区的监听指示，确定所述WUS被监听到或未被监听到的结果。
  28. 根据权利要求27所述的装置，其中，所述第一确定模块，被配置为当所述监听指示为第一指示时，确定所述WUS被监听到的结果；或 者，当所述监听指示为第二指示时，确定所述WUS未被监听到的结果。
  29. 根据权利要求27所述的装置，其中，所述接收模块，被配置为接收携带有所述监听指示的小区切换命令。
  30. 根据权利要求27所述的装置，其中，所述装置，还包括：
    第二确定模块，被配置为根据通信协议或预先约定，确定所述WUS被监听到或未被监听到的结果。
  31. 根据权利要求18至26任一项所述的装置，其中，所述装置，还包括：
    第三确定模块，被配置为根据目标小区内WUS的配置信息及所述源小区的WUS的配置信息，确定所述WUS被监听到或未被监听到的结果。
  32. 根据权利要求31所述的装置，其中，所述第三确定模块，被配置为当所述目标小区内的WUS图样比所述源小区的WUS图样密集时，确定所述WUS被监听到；或者，当所述目标小区的WUS图样比所述源小区的WUT图样稀疏时，确定所述WUS未被监听到。
  33. 一种指示下发装置，包括：
    下发模块，被配置为下发监听指示，其中，所述监听指示，用于供从源小区上切换到目标小区上，错过了所述目标小区上唤醒信号时，确定所述唤醒信号被监听到或未被监听的结果。
  34. 根据权利要求33所述的装置，其中，所述监听指示携带在小区切换指令中下发。
  35. 一种通信设备，其中，包括：
    收发器；
    存储器；
    处理器，分别与所述收发器及存储器连接，配置为通过执行存储在所述存储器上计算机可执行指令，控制所述收发器的收发，并能够实现 权利要求1至15或16任一项所述的方法。
  36. 一种非临时性计算机可读存储介质，所述非临时性计算机可读存储介质上存储有计算机可执行指令；所述计算机可执行指令被处理器执行后，能够实现权利要求1至15或16任一项所述的方法。
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