WO2020186467A1 - Method and apparatus for discontinuous reception on unlicensed spectrum - Google Patents

Method and apparatus for discontinuous reception on unlicensed spectrum Download PDF

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Publication number
WO2020186467A1
WO2020186467A1 PCT/CN2019/078787 CN2019078787W WO2020186467A1 WO 2020186467 A1 WO2020186467 A1 WO 2020186467A1 CN 2019078787 W CN2019078787 W CN 2019078787W WO 2020186467 A1 WO2020186467 A1 WO 2020186467A1
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WIPO (PCT)
Prior art keywords
drx cycle
drx
cycle
terminal device
duration
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PCT/CN2019/078787
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French (fr)
Chinese (zh)
Inventor
石聪
王淑坤
尤心
Original Assignee
Oppo广东移动通信有限公司
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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Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to PCT/CN2019/078787 priority Critical patent/WO2020186467A1/en
Priority to CN201980016771.0A priority patent/CN111972041B/en
Publication of WO2020186467A1 publication Critical patent/WO2020186467A1/en

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    • 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]

Definitions

  • the embodiments of the present application relate to the field of communications, and more specifically, to a method and device for discontinuous reception on an unlicensed spectrum.
  • the terminal device adopts Discontinuous Reception (DRX) to receive downlink transmission.
  • the network device can configure a DRX cycle (cycle) for the terminal device.
  • the DRX cycle consists of an activation period (On Duration) and a dormancy period (Opportunity for DRX).
  • On Duration the activation period
  • Opportunity for DRX the terminal device monitors and receives the downlink transmission
  • the terminal device does not receive the downlink transmission to reduce Power consumption.
  • network equipment can only perform downlink transmission when channel listening is successful. If the terminal device does not receive the downlink transmission during the active period of the DRX cycle, it may be that the network device has no downlink transmission to send to the terminal device, or it may be that the network device has a downlink transmission to send, but has not listened to an available channel. In the latter case, how to ensure the data transmission performance so that the network device can send downlink transmission to the terminal device in time has become an urgent problem to be solved.
  • the embodiments of the present application provide a method and device for discontinuous reception on an unlicensed spectrum, which is beneficial to improving data transmission performance.
  • a method for discontinuous reception on an unlicensed spectrum includes: a terminal device starts a first timer according to a first discontinuous reception DRX cycle; if there is no DRX within the duration of n said first timers When downlink transmission is detected, the terminal device switches the first DRX cycle to the second DRX cycle, where the first DRX cycle is greater than the second DRX cycle, and n is a positive integer.
  • a method for discontinuous reception on an unlicensed spectrum includes: when a network device needs to send a downlink transmission to a terminal device, the network device detects a channel on the unlicensed spectrum; If the network device does not detect an available channel within the duration of n first timers of the first discontinuous transmission DRX cycle, the network device switches the first DRX cycle to the second DRX cycle, wherein the first DRX cycle The DRX cycle is greater than the second DRX cycle, and n is a positive integer; the network device detects the channel in the second DRX cycle.
  • a terminal device which is used to execute the method in the foregoing first aspect or each of its implementation manners.
  • the terminal device includes a functional module for executing the method in the foregoing first aspect or each implementation manner thereof.
  • a network device configured to execute the method in the second aspect or its implementation manners.
  • the network device includes a functional module for executing the method in the foregoing second aspect or each implementation manner thereof.
  • a terminal device including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the method in the foregoing first aspect or each of its implementation manners.
  • a network device including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the method in the above-mentioned second aspect or each implementation manner thereof.
  • a device for implementing any one of the first aspect to the second aspect or the method in each implementation manner thereof.
  • the device includes: a processor, configured to call and run a computer program from the memory, so that the device installed with the chip executes any one of the above-mentioned first aspect to the second aspect or each implementation manner thereof Method in.
  • a computer-readable storage medium for storing a computer program that enables a computer to execute any one of the above-mentioned first aspect to the second aspect or the method in each implementation manner thereof.
  • a computer program product which includes computer program instructions that cause a computer to execute any one of the above-mentioned first aspect to the second aspect or the method in each implementation manner thereof.
  • a computer program which when running on a computer, causes the computer to execute any one of the above-mentioned first aspect to the second aspect or the method in each implementation manner thereof.
  • a communication system including a network device and a terminal device.
  • the network device is used to: in the case of a need to send a downlink transmission to the terminal device, detect the channel on the unlicensed spectrum; if it is within the duration of n first timers of the first discontinuous transmission DRX cycle If no available channel is detected, the first DRX cycle is switched to the second DRX cycle, where the first DRX cycle is greater than the second DRX cycle, and n is a positive integer; in the second DRX cycle, the The channel is tested.
  • the terminal device is configured to: start a first timer according to the first discontinuous reception DRX cycle; if no downlink transmission is detected within the duration of the n first timers, set the first DRX cycle Switch to the second DRX cycle, where the first DRX cycle is greater than the second DRX cycle, and n is a positive integer.
  • the terminal device if it does not detect any downlink transmission within the duration of the first timer of the first DRX cycle, it can directly switch the first DRX cycle to the second DRX cycle, and the second DRX cycle is smaller than the first DRX cycle. cycle. This can avoid the problem that if the network device does not detect an available channel within the duration of the first timer, it can only wait until the next first timer of the first DRX cycle to detect the channel, which causes the problem of data transmission performance degradation.
  • the solution of this application can enable the network device to switch directly to the second DRX cycle with a shorter period according to the detection result within the first timer duration even if the network device does not preempt the channel, and the network device can follow the second DRX cycle Detecting the channel can reduce the time delay of data transmission, improve data transmission performance, and help improve the probability of network equipment dispatching to terminal equipment.
  • Fig. 1 is a schematic diagram of a communication system architecture applied by an embodiment of the present application.
  • Fig. 2 is a schematic diagram of a DRX cycle provided by an embodiment of the present application.
  • FIG. 3 is a schematic flowchart of a method for discontinuous reception on an unlicensed spectrum provided by an embodiment of the present application.
  • FIG. 4 is a schematic flowchart of another method for discontinuous reception on an unlicensed spectrum provided by an embodiment of the present application.
  • Fig. 5 is a schematic diagram of a DRX cycle switching provided by an embodiment of the present application.
  • Fig. 6 is a schematic diagram of another DRX cycle switching provided by an embodiment of the present application.
  • FIG. 7 is a schematic block diagram of a terminal device provided by an embodiment of the present application.
  • Fig. 8 is a schematic block diagram of a network device provided by an embodiment of the present application.
  • FIG. 9 is a schematic block diagram of a communication device provided by an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a device provided by an embodiment of the present application.
  • FIG. 11 is a schematic block diagram of a communication system provided by an embodiment of the present application.
  • Fig. 1 is a schematic diagram of an application scenario of an embodiment of the present application.
  • the communication system 100 may include a terminal device 110 and a network device 120.
  • the network device 120 may communicate with the terminal device 110 through an air interface.
  • the terminal device 110 and the network device 120 support multi-service transmission.
  • GSM Global System of Mobile Communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GSM Global System of Mobile Communication
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • NR New Radio
  • 5G systems etc.
  • the technical solutions of the embodiments of the present application can be applied to the long-term evolution (LTE) coverage of a wide area and the NR island coverage mode.
  • LTE long-term evolution
  • a large amount of LTE is deployed below 6GHz, and there are few sub-6GHz spectrums available for 5G.
  • So NR must study the frequency spectrum application above 6GHz, and the high frequency band has limited coverage and fast signal fading.
  • a tight interworking mode between LTE and NR is proposed.
  • the main application scenarios of 5G include: Enhance Mobile Broadband (eMBB), Ultra-Reliable and Low Latency Communication (URLLC), and massive machine type of communication, mMTC ).
  • eMBB aims at users to obtain multimedia content, services and data, and its demand is growing rapidly.
  • URLLC Ultra-Reliable and Low Latency Communication
  • Typical applications of URLLC include: industrial automation, power automation, telemedicine operations (surgery), traffic safety protection, etc.
  • Typical features of mMTC include: high connection density, small data volume, delay-insensitive services, low-cost modules and long service life.
  • the network coverage in the embodiments of the present application may adopt wide-area Long Term Evolution (LTE) coverage and NR island coverage mode.
  • LTE Long Term Evolution
  • NR island coverage mode In order to protect mobile operators' early investment in LTE, a tight interworking mode between LTE and NR can be further adopted.
  • the technical solutions of the embodiments of the present application can be applied to various communication systems based on non-orthogonal multiple access technologies, such as sparse code multiple access (SCMA) systems, low-density signatures ( Low Density Signature (LDS) system, etc.
  • SCMA sparse code multiple access
  • LDS Low Density Signature
  • SCMA system and LDS system can also be called other names in the communication field;
  • the technical solutions of the embodiments of this application can be applied to multiple access technologies that use non-orthogonal multiple access technologies.
  • Carrier transmission systems such as non-orthogonal multiple access technology, Orthogonal Frequency Division Multiplexing (OFDM), Filter Bank Multi-Carrier (FBMC), General Frequency Division Multiplexing ( Generalized Frequency Division Multiplexing, GFDM), filtered orthogonal frequency division multiplexing (Filtered-OFDM, F-OFDM) systems, etc.
  • OFDM Orthogonal Frequency Division Multiplexing
  • FBMC Filter Bank Multi-Carrier
  • GFDM General Frequency Division Multiplexing
  • GFDM Generalized Frequency Division Multiplexing
  • Filtered-OFDM Frequency Division Multiplexing
  • F-OFDM filtered orthogonal frequency division multiplexing
  • the network device 120 may be an access network device that communicates with the terminal device 110.
  • the access network device can provide communication coverage for a specific geographic area, and can communicate with terminal devices 110 (for example, UE) located in the coverage area.
  • the network device 120 may be a base station (Base Transceiver Station, BTS) in a global system of mobile communication (GSM) system or a code division multiple access (Code Division Multiple Access, CDMA), or it may be The base station (NodeB, NB) in the Wideband Code Division Multiple Access (WCDMA) system, and the network device 120 may also be the Evolutional Node B (Evolutional Node B) in the Long Term Evolution (LTE) system. eNB or eNodeB).
  • the network device 120 may also be a next generation radio access network (Next Generation Radio Access Network, NG RAN), or a base station (gNB) in an NR system, or a cloud radio access network (Cloud Radio Access).
  • Next Generation Radio Access Network Next Generation Radio Access Network
  • gNB base station
  • Cloud Radio Access Cloud Radio Access
  • CRAN public Land Mobile Network
  • PLMN Land Mobile Network
  • the terminal device 110 may be any terminal device, including but not limited to: connected via a wired line, such as via a public switched telephone network (Public Switched Telephone Networks, PSTN), digital subscriber line (Digital Subscriber Line, DSL), Digital cable, direct cable connection; and/or another data connection/network; and/or via a wireless interface, such as for cellular networks, wireless local area networks (WLAN), digital television networks such as DVB-H networks , Satellite network, AM-FM broadcast transmitter; and/or another terminal device set to receive/send communication signals; and/or Internet of Things (IoT) equipment.
  • a terminal device set to communicate through a wireless interface may be referred to as a "wireless communication terminal", a "wireless terminal” or a "mobile terminal".
  • Examples of mobile terminals include, but are not limited to, satellites or cellular phones; Personal Communications System (PCS) terminals that can combine cellular radio phones with data processing, fax, and data communication capabilities; can include radio phones, pagers, Internet/intranet PDA with internet access, web browser, memo pad, calendar, and/or Global Positioning System (GPS) receiver; and conventional laptop and/or palmtop receivers or others including radio phone transceivers Electronic device.
  • Terminal equipment can refer to access terminals, user equipment (UE), user units, user stations, mobile stations, mobile stations, remote stations, remote terminals, mobile equipment, user terminals, terminals, wireless communication equipment, user agents, or User device.
  • the access terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital processing (Personal Digital Assistant, PDA), with wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in 5G networks, or terminal devices in the future evolution of PLMN, etc.
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • direct terminal connection (Device to Device, D2D) communication may be performed between the terminal devices 110.
  • FIG. 1 exemplarily shows a network device and a terminal device.
  • the communication system 100 may include multiple network devices and the coverage of each network device may include other numbers of terminal devices.
  • the implementation of this application Not limited to this.
  • the communication system 100 may also include other network entities such as a network controller and a mobility management entity, and the embodiment of the present application is not limited thereto.
  • the uplink channel of the embodiment of the present application may include a physical random access channel (Physical Random Access Channel, PRACH), a physical uplink control channel (Physical Uplink Control channel, PUCCH), and a physical uplink shared channel (Physical Uplink Shared channel, PUSCH) and so on.
  • the uplink reference signal may include an uplink demodulation reference signal (Demodulation Reference Signal, DMRS), a sounding reference signal (Sounding Reference Signal, SRS), a phase tracking reference signal (PT-RS), etc.
  • DMRS Downlink demodulation Reference Signal
  • SRS Sounding Reference Signal
  • PT-RS phase tracking reference signal
  • the uplink DMRS can be used for uplink channel demodulation
  • SRS can be used for uplink channel measurement
  • PT-RS can also be used for uplink channel measurement, uplink time-frequency synchronization or phase tracking.
  • the embodiments of the present application may include uplink physical channels or uplink reference signals with the same names and different functions as the above, and may also include uplink physical channels or uplink reference signals with different names and the same functions as the above. Not limited.
  • the communication device may include a network device 120 and a terminal device 110 having communication functions, and the network device 120 and the terminal device 110 may be the above-mentioned devices, which will not be repeated here;
  • the communication device may also include other devices in the communication system 100, such as other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
  • the NR system also supports the use of unlicensed frequency bands.
  • the scenarios in which the NR system works in unlicensed frequency bands include the following:
  • Carrier aggregation scenario Primary cell (primary cell, PCell) is a licensed spectrum, and secondary cells (secondary cells, SCell) working on unlicensed spectrum are aggregated through carrier aggregation.
  • Primary cell primary cell, PCell
  • secondary cells secondary cells, SCell
  • PCell is the LTE authorized spectrum
  • PSCell primary and secondary cell
  • NR works as an independent cell in an unlicensed spectrum.
  • the working frequency bands of NR (NR-based access to unlicensed spectrum, NR-U) on the unlicensed frequency band are 5GHz unlicensed spectrum and 6GHz unlicensed spectrum.
  • NR-U NR-based access to unlicensed spectrum
  • the design of NR-U should ensure fairness with other systems that are already working on these unlicensed spectrums, such as wireless fidelity (WiFi).
  • WiFi wireless fidelity
  • the principle of fairness is that the impact of NR-U on systems that have been deployed on unlicensed spectrum cannot exceed the impact between these systems.
  • the general energy detection mechanism is the listen before talk (LBT) mechanism.
  • LBT listen before talk
  • the basic principle of this mechanism is that the base station or terminal (transmission end) needs to listen for a period of time before transmitting data on the unlicensed spectrum. . If the result of the listening indicates that the channel is idle, the transmitting end can transmit data to the receiving end. If the listening result indicates that the channel is in an occupied state, the transmitting end needs to back off for a period of time according to regulations before continuing to listen to the channel until the channel listening result is idle before transmitting data to the receiving end.
  • LAA licensed-assisted access
  • the base station For downlink data transmission, the base station needs to perform LBT on the unlicensed frequency band.
  • the priority of channel access is determined by the following Table 1.
  • Mp is related to the listening channel time for channel access.
  • CW min,p and CW max,p are related to the random channel time during channel access. Specifically, when the base station listens to the channel for the Td duration and is idle, it needs to listen to the channel N times again, each with a duration of 9 us.
  • N is a random number from 0 to CWp
  • T mcot,p is the longest time for the base station to occupy the channel after it has seized the channel.
  • the T mcot,p is related to the channel priority adopted by the base station. For example, if the channel priority is 1, then the channel will be occupied for 2 ms at most after the channel listening is successful.
  • the network equipment needs to transmit data to the terminal equipment within the MCOT time. If the network equipment does not seize the channel within this time, or the network equipment seizes the channel outside the MCOT time, the terminal equipment is Will not receive scheduling data sent by network equipment.
  • a packet-based data stream can be transmitted between the terminal device 110 and the network device 120.
  • the packet-based data stream is usually bursty.
  • the terminal device 110 has data transmission for a period of time, but there is no data transmission for the next longer period of time. Therefore, if the terminal device 110 has been blindly checking the physical downlink control channel (PDCCH), it will cause excessive power consumption of the terminal device.
  • PDCCH physical downlink control channel
  • the network can configure the terminal to wake up at the time predicted by the network (DRX ON), and the terminal monitors the downlink control channel; at the same time, the network can also configure the terminal to sleep at the time predicted by the network (DRX OFF), that is, The terminal equipment does not need to monitor the downlink control channel.
  • the network device 120 can schedule the terminal device 110 during the DRX ON time of the terminal device 110.
  • the radio frequency is turned off, which can reduce the number of terminals. Power consumption.
  • the Media Access Control (MAC) entity may be configured with a DRX function by Radio Resource Control (RRC) to control the terminal's behavior of monitoring downlink transmission.
  • RRC Radio Resource Control
  • the DRX cycle (cycle) configured by the network device for the terminal device consists of an activation period (On Duration) and a sleep period (Opportunity for DRX).
  • the terminal device In the RRC connected mode, if the terminal device is configured with the DRX function, the terminal device can monitor and receive the PDCCH during the active period (Active Time); and not receive the PDCCH during the non-active time (Non Active Time) To reduce power consumption.
  • the duration of the activation period can be controlled by the DRX-onDuration Timer (drx-onDurationTimer) and the DRX inactivation timer (drx-InactivityTimer).
  • the DRX-active period timer is also called the DRX-active period timer.
  • the deactivation timer is also called the inactivity timer. Specifically, when the DRX-onDuration Timer (drx-onDurationTimer) fails, if no other timers are running, the active period ends.
  • the terminal device can extend the duration of the activation period by starting or restarting the drx-InactivityTimer.
  • the terminal device can start the drx-InactivityTimer when receiving the PDCCH, so the time of the DRX activation period will be extended with the start of the drx-onDurationTimer.
  • the terminal device can also restart the DRX-InactivityTimer.
  • the terminal device can switch the DRX cycle after the drx-InactivityTimer expires, and switch to the longer cycle DRX cycle, which can save the power consumption of the terminal device.
  • the system can configure the DRX short cycle and/or the DRX long cycle for the terminal device according to different business scenarios. If the terminal device currently uses the DRX short cycle, it means that the time interval for the terminal device from the current activation period to the next activation period is relatively short. If the terminal device currently uses the DRX long period, it means that the time interval for the terminal device from the current activation period to the next activation period is longer.
  • the voice codec when performing voice transmission (voice over internet protocol, VOIP) services based on Internet Protocol (IP), the voice codec usually sends a VOIP packet in 20ms, then a short DRX cycle of 20ms can be configured; and In the long silent period during the voice call, the DRX long period can be configured.
  • voice transmission voice over internet protocol
  • IP Internet Protocol
  • the terminal device can determine the time to start drx-onDurationTimer according to the current DRX cycle, as follows:
  • the DRX long cycle is the default configuration
  • the DRX short cycle is an optional configuration.
  • the network device can configure only one DRX long cycle to the terminal device without configuring the DRX short cycle; or the network device can also configure the DRX long cycle and the DRX short cycle to the terminal device at the same time.
  • the DRX long cycle and the DRX short cycle are relative, as long as the cycle duration of the DRX long cycle is greater than the cycle duration of the DRX short cycle.
  • the terminal device can switch between the DRX long cycle and the DRX short cycle.
  • the specific switching conditions are described below.
  • the terminal device can switch to DRX after the drx-inactivityTimer expires or after receiving the DRX MAC control element (CE) sent by the network device Short cycle. If the terminal device is currently in the DRX short cycle, the terminal device can switch to the DRX long cycle after the drx-ShortCycleTimer expires or after receiving the long DRX command MAC CE sent by the network device.
  • CE DRX MAC control element
  • a network device For unlicensed spectrum, when a network device wants to send data to a terminal device configured with DRX, it needs to send the data during the active period of the DRX cycle, and it needs to listen to the channel in the active period first, and the channel listens successfully. Then, the downlink data can be sent to the terminal device.
  • the terminal device does not receive the downlink transmission from the network device during the activation period, such as PDCCH scheduling, there are two possibilities:
  • the network device has data to send to the terminal device, but the network device has not preempted the channel.
  • the network equipment does not have data to dispatch to the terminal equipment.
  • the terminal device cannot distinguish which situation caused the failure to receive the PDCCH scheduling during the DRX active period.
  • the network device can only schedule data to the terminal device in the next DRX cycle, and the premise is that the network device can preempt the channel during the activation period of the next DRX cycle. If the terminal device is in the DRX cycle for a long time, it will take a long time for the network device to successfully send data to the terminal device, which makes the time required for the network device to schedule the terminal device to become longer, and the terminal device cannot receive it in time Data sent to the network device, which will affect the data transmission performance of the network device.
  • the terminal device If the terminal device is in the long DRX cycle and the terminal device wants to switch to the short DRX cycle, it can only switch to the short DRX cycle by sending a long DRX command MAC CE through the network device, or waiting until the drx-InactivityTimer expires.
  • the network device needs to preempt the channel to send MAC CE.
  • the drx-InactivityTimer since the drx-InactivityTimer needs to receive the PDCCH schedule sent by the network device to start the timer, this also means that the network device needs to preempt the channel to use it. In summary, these two methods cannot be used when the network device does not preempt the channel. Therefore, it is necessary to design a new way to switch between the long DRX cycle and the short DRX cycle more effectively to improve the data transmission performance.
  • the embodiment of the present application provides a method for discontinuous reception on an unlicensed spectrum, which can improve data transmission performance.
  • FIG. 3 is a schematic flowchart of a method for discontinuous reception on an unlicensed spectrum provided by an embodiment of the present application.
  • the method may be executed by a terminal device, and the terminal device may be the terminal device shown in FIG. 1.
  • the method includes steps S310 and S320.
  • the terminal device starts a first timer according to the first DRX cycle.
  • the first DRX cycle may be a long DRX cycle or a short DRX cycle, which is not specifically limited in the embodiment of the present application.
  • the network device may configure only one DRX cycle for the terminal device, and the first DRX cycle may be the configured DRX cycle.
  • the configured DRX cycle may be a long DRX cycle.
  • the first DRX cycle may also be a DRX cycle determined according to the configured DRX cycle, which will be described in detail below.
  • the network device may configure multiple DRX cycles for the terminal device, and the first DRX cycle may be any one of the multiple DRX cycles.
  • the embodiment of the present application may call the DRX cycle with the longest DRX cycle as the DRX long cycle, and the others as the DRX short cycle.
  • Starting the first timer according to the first DRX cycle by the terminal device may indicate starting the first timer according to the DRX parameters of the first DRX cycle, and the first timer may indicate the drx-onDurationTimer described above.
  • the time to start the first timer can be determined according to Formula 1 or Formula 2 described above. For example, if the first DRX cycle is a short cycle, the time to start the first timer can be determined according to Formula 1; if the first DRX cycle is a long cycle, the time to start the first timer can be determined according to Formula 2.
  • the terminal device switches the first DRX cycle to the second DRX cycle, where the first DRX cycle is greater than the second DRX cycle.
  • the terminal device can detect the downlink transmission within the duration of the first timer.
  • the terminal device can start the drx-Inactivitytimer according to the existing procedure to perform DRX cycle switching.
  • the terminal device does not detect the downlink transmission within the duration of the first timer, it does not need to wait until the DRX command MAC CE sent by the network device is received, or the drx-InactivityTimer expires before switching to the second DRX cycle.
  • the DRX cycle is switched directly, from the first DRX cycle to the second DRX cycle.
  • the terminal device does not detect the downlink transmission within the duration of the first timer, which may mean that the terminal device does not detect the downlink transmission within the duration of one first timer, or it may mean that the terminal device is within the duration of multiple first timers
  • the downlink transmission is not detected, or it may also mean that the terminal device does not detect the downlink transmission within a preset period of time, and the preset period of time may be greater than the period of the first DRX cycle.
  • the terminal device When the terminal device does not detect the downlink transmission within the duration of multiple first timers, it switches the first DRX cycle to the second DRX cycle. This can guarantee the data transmission performance to a certain extent without causing The power consumption of the terminal device is too large.
  • the terminal device After the terminal device switches to the second DRX cycle, it can detect the downlink transmission according to the drx-onDurationTimer of the second DRX cycle.
  • the network device may also listen to the channel according to the drx-onDurationTimer of the second DRX cycle, and if the channel listening is successful, send a downlink transmission to the terminal device.
  • the drx-onDurationTimer of the second DRX cycle may also be the same timer as the first timer.
  • FIG. 4 is another method for discontinuous reception on an unlicensed spectrum provided by an embodiment of the present application.
  • the method may be executed by a network device, and the network device may be the network device shown in FIG. 1.
  • the method shown in FIG. 4 corresponds to the method shown in FIG. 3, and for the features not described in FIG. 4, reference may be made to the description of the corresponding features in FIG.
  • the method includes steps S410 to S430.
  • a network device For unlicensed spectrum, if a network device wants to send a downlink transmission to a terminal device, the network device needs to detect the channel on the unlicensed spectrum first, and only when the channel detection succeeds, can it send a downlink transmission to the terminal device.
  • the network device If the network device does not detect an available channel within the duration of the n first timers of the first discontinuous transmission DRX cycle, the network device switches the first DRX cycle to the second DRX cycle, where, The first DRX cycle is greater than the second DRX cycle, and n is a positive integer.
  • the terminal device can receive the downlink transmission sent by the network device only during the active period of the DRX cycle. Therefore, the network device needs to detect the channel during the active period of the DRX cycle, and only when the channel detection is successful in the active period, can it send a downlink transmission to the terminal device.
  • the network device can detect the channel within the duration of n first timers in the first DRX cycle, and no available channel is detected in the n first timers. In this case, switch the first DRX cycle to the second DRX cycle.
  • the first timer may be drx-onDurationTimer.
  • the network device detects the channel in the second DRX cycle.
  • the network device may continue to detect the channel during the active period of the second DRX cycle.
  • the terminal device if it does not detect any downlink transmission within the duration of the first timer of the first DRX cycle, it can directly switch the first DRX cycle to the second DRX cycle. Less than the first DRX cycle. This can avoid the problem that if the network device does not detect an available channel within the duration of the first timer, it can only wait until the next first timer of the first DRX cycle to detect the channel, which causes the problem of data transmission performance degradation.
  • the solution of the embodiment of the present application can enable the terminal device to directly switch to the second DRX cycle with a shorter period according to the detection result within the first timer duration even if the network device does not preempt the channel, and the network device can follow the second DRX cycle.
  • the DRX periodically detects the channel, which can reduce the time delay of data transmission, improve data transmission performance, and help improve the probability of network equipment dispatching to terminal equipment.
  • the downlink transmission in the embodiment of the present application may include a downlink signal and/or a downlink channel.
  • the downlink signal and/or downlink channel may include at least one of the following: physical downlink control channel (PDCCH), downlink semi-persistent scheduling (SPS) transmission, downlink reference signal, downlink reference Signal sequence.
  • the downlink reference signal sequence may include, for example, a downlink demodulation reference signal (demodulation reference signal, DMRS) sequence, other sequences, and the like.
  • the terminal equipment detecting the downlink channel may mean detecting data or signals on the downlink channel.
  • the downstream channel is PDCCH.
  • the terminal device detects the PDCCH, which may mean that the terminal device detects data or other downlink signals sent by the network device on the PDCCH.
  • Both the first DRX cycle and the second DRX cycle are DRX cycles configured by the network device.
  • the network device may send a first DRX configuration message to the terminal device, and the first DRX configuration message may include at least two DRX cycles, and the at least two DRX cycles include the first DRX cycle and the second DRX cycle.
  • the DRX configuration message sent by the network device to the terminal device may include at least one of the following information: cycle duration of the DRX cycle, drx-onDurationTimer, drx-onDurationTimer subframe offset, drx-InactivityTimer, drx-shortCycleTimer, and drx-longCycleTimer etc.
  • the embodiment of the application does not specifically limit the selection of the first DRX cycle and the second DRX cycle.
  • the first DRX cycle may be any one of the at least two DRX cycles
  • the second DRX cycle is any one of the at least two DRX cycles whose cycle duration is shorter than the first DRX cycle.
  • the network device may also configure a switching sequence of the at least two DRX cycles for the terminal device, and the first DRX cycle and the second DRX cycle are two adjacent DRX cycles in the switching sequence.
  • the switching sequence of the at least two DRX cycles is determined according to the cycle duration of the at least two DRX cycles.
  • the switching sequence of the at least two DRX cycles may be arranged in the order of the period duration from large to small or from small to large.
  • the second DRX cycle is a DRX cycle whose cycle duration is second only to the first DRX cycle among at least two DRX cycles.
  • the first DRX cycle may be the DRX cycle with the longest cycle duration among the at least two DRX cycles. That is to say, the terminal device is currently in the DRX long cycle. If the terminal device does not detect the downlink transmission within the duration of n first timers, it can automatically switch to the DRX short cycle, so that the network device can implement the terminal device in time Scheduling.
  • the first DRX cycle is a DRX cycle configured by the network device
  • the second DRX cycle is a DRX cycle determined according to the first DRX cycle.
  • the network device may send a second DRX configuration message to the terminal device, where the second DRX configuration message includes the first DRX cycle; the terminal device may determine the second DRX cycle according to the first DRX cycle.
  • the terminal device determining the second DRX cycle according to the first DRX cycle may mean that the terminal device determines the cycle duration and/or the duration of the activation period of the second DRX cycle according to the first DRX cycle.
  • the period duration of the second DRX cycle may be obtained according to the first reduction rule on the basis of the period duration of the first DRX cycle.
  • the first reduction rule may refer to a reduction ratio or the number of subframes to be reduced.
  • the period duration of the second DRX cycle may be reduced by a certain ratio on the basis of the period duration of the first DRX cycle, or the period duration of the second DRX cycle may be reduced by a certain percentage on the basis of the first DRX cycle.
  • the number of subframes may be obtained according to the first reduction rule on the basis of the period duration of the first DRX cycle.
  • the first reduction rule may include that the reduction ratio is 1/2, and the cycle duration of the second DRX cycle is half of the cycle duration of the first DRX cycle.
  • the first reduction rule may also include other reduction ratios, such as 1/3, 2/3, etc.
  • the first reduction rule may include a reduced number of subframes.
  • the cycle duration of the second DRX cycle is obtained by reducing m subframes on the basis of the cycle duration of the first DRX cycle, and m is a positive integer.
  • the embodiment of the present application does not specifically limit the duration of the drx-onDurationTimer of the second DRX cycle.
  • the duration of the drx-onDurationTimer corresponding to the second DRX cycle may be equal to the duration of the drx-onDurationTimer corresponding to the first DRX cycle. That is to say, the embodiment of the present application may only shorten the cycle duration of the second DRX cycle, and the first DRX cycle
  • the duration of the drx-onDurationTimer corresponding to the second DRX cycle may be the duration of the drx-onDurationTimer corresponding to the first DRX cycle.
  • the duration of the drx-onDurationTimer corresponding to the second DRX cycle may be obtained according to the second reduction rule on the basis of the duration of the drx-onDurationTimer corresponding to the first DRX cycle.
  • the second reduction rule is similar to the first reduction rule, and may refer to the reduction ratio or the number of subframes to be reduced. If the second reduction rule includes a reduction ratio of 1/2, the duration of the drx-onDurationTimer corresponding to the second DRX cycle is half of the duration of the drx-onDurationTimer corresponding to the first DRX cycle.
  • the terminal device After the terminal device switches to the second DRX cycle, it can continue to detect the downlink transmission during the drx-onDurationTimer of the second DRX cycle. There are two situations, one is that downlink transmission is detected in the second DRX cycle, and the other is that no downlink transmission is detected in the second DRX cycle.
  • the terminal device may switch the second DRX cycle to the first target DRX cycle according to the instruction information sent by the network device.
  • the instruction information may be, for example, long DRX command MAC CE.
  • the terminal device may start a second timer when receiving a downlink transmission, and switch the second DRX cycle to the first target DRX cycle after the second timer expires.
  • the second timer may, for example, It is drx-inactivityTimer.
  • the terminal device may switch to the first target DRX cycle after the drx-InactivityTimer expires.
  • the period of the first target DRX cycle may be longer than the second DRX cycle, and the first target DRX cycle may be, for example, the first DRX cycle, so that the terminal device can detect the downlink transmission at a longer interval, which can save terminal equipment Power.
  • the terminal device may also start a third timer after switching to the second DRX cycle, and the third timer may be used to determine the length of stay of the terminal device in the second DRX cycle.
  • the third timer may be drx-ShortCycleTimer, for example.
  • the terminal device may switch to the second target DRX cycle after the drx-ShortCycleTimer expires, the cycle duration of the second target DRX cycle is greater than the cycle duration of the second DRX cycle, and the second target DRX cycle may be a long DRX cycle or For other DRX short cycles.
  • the drx-ShortCycleTimer under the unlicensed spectrum may be different from the drx-short cycle timer under the licensed spectrum.
  • two drx-cycle timers can be configured for the terminal device. ShortCycleTimer, one is used for DRX cycle switching under unlicensed spectrum, and the other is used for DRX cycle switching under licensed spectrum.
  • the terminal device can also configure only one drx-ShortCycleTimer, and use the same drx-ShortCycleTimer in the licensed spectrum and the unlicensed spectrum.
  • the terminal device can start drx-onDurationTimer according to formula 2. And detect the downlink transmission in drx-onDurationTimer. If the terminal device does not detect any downlink transmission within the duration of n1 drx-onDurationTimer of the first DRX cycle, the terminal device can switch to the second DRX cycle, and n1 is a positive integer.
  • the terminal device After the terminal device switches to the second DRX cycle, it can start the drx-onDurationTimer of the second DRX cycle according to formula 1 according to the configuration of the second DRX cycle, and detect the downlink signal within the duration of the drx-onDurationTimer of the second DRX cycle .
  • the terminal device can also start a drx-ShortCycleTimer.
  • the start trigger condition of the drx-ShortCycleTimer is the switching of the DRX cycle, and the drx-ShortCycleTimer may be the same as or different from the drx-ShortCycleTimer of the licensed spectrum.
  • the start trigger condition of the drx-ShortCycleTimer can also be compatible with existing protocols.
  • the drx-ShortCycleTimer can be started after the drx-InactivityTimer expires or after receiving the Command MAC CE sent by the network device.
  • the terminal device After the terminal device switches to the second DRX cycle, it can detect the downlink transmission in the drx-onDurationTimer of n2 second DRX cycles, where n2 is a positive integer, and n2 and n1 may be equal or different.
  • the terminal device can switch to the first DRX cycle.
  • the terminal device If the terminal device detects downlink transmission in the second DRX cycle, the terminal device can remain on the second DRX cycle.
  • Fig. 6 is another handover method according to the embodiment of the present application.
  • the terminal device can switch on multiple DRX cycles. Among them, the durations of the first DRX cycle, the second DRX cycle, and the third DRX cycle decrease sequentially.
  • the switching process of the terminal device from the first DRX cycle to the second DRX cycle is similar to the method shown in FIG. 5, and will not be repeated here.
  • the terminal device can switch the second DRX cycle to the third DRX cycle, where the third DRX cycle is smaller than the second DRX cycle.
  • the second DRX cycle and the third DRX cycle may be configured by the network device, or may be determined according to the first DRX cycle.
  • the terminal device may repeat the above steps until handover to the last DRX cycle of the multiple DRX cycles. If the third DRX cycle is the last DRX cycle among the multiple DRX cycles, the terminal device may remain on the third DRX cycle after switching to the third DRX cycle.
  • the second DRX cycle and the third DRX cycle may be determined by the terminal device according to the first DRX cycle.
  • the terminal device may obtain the first DRX cycle according to a certain reduction ratio and/or reduction times. Assuming that the second DRX cycle is obtained on the basis of the first DRX cycle according to the rule of reducing by half, the terminal device may reduce the cycle duration of the first DRX cycle by half to obtain the cycle duration of the second DRX cycle.
  • the third DRX cycle may be reduced twice on the basis of the first DRX cycle.
  • the embodiment of the present application may also specify the number of zooms, and the switching process of the terminal device may repeat the above steps until the number of zooms is reached. If the third DRX cycle is obtained by the last scaling, the terminal device can remain on the third DRX cycle.
  • the aforementioned scaling ratio and/or scaling times may be configured by the network device or specified in the protocol.
  • the terminal device can remain in the DRX cycle.
  • the terminal device can also start a drx-InactvivtyTimer to extend the duration of the terminal device in the activation period. That is to say, regardless of whether the downlink transmission detected by the terminal device is a PDCCH in the embodiment of the present application, for example, when the downlink transmission received by the terminal device indicates channel occupancy information, it can also start drx-InactvivtyTimer to extend the DRX active time (Active Time). ), so that the network device can also schedule the terminal device within the extended time, so as to improve the probability of the network device being scheduled to the terminal device.
  • a drx-InactvivtyTimer to extend the duration of the terminal device in the activation period. That is to say, regardless of whether the downlink transmission detected by the terminal device is a PDCCH in the embodiment of the present application, for example, when the downlink transmission received by the terminal device indicates channel occupancy information, it can also start drx-Inactvivty
  • the terminal device receives the downlink transmission, which also means that the network device channel interception is successful, so the terminal device also switches the DRX cycle according to the instruction information sent by the network device.
  • the terminal device can switch to any DRX cycle configured by the network device, and the switched DRX cycle may not be a long DRX cycle.
  • the DRX cycle of the handover may also be indicated by the network device.
  • the terminal device may receive instruction information sent by the network device, where the instruction information is used to indicate which DRX cycle to switch to.
  • the network device may further specify the switching sequence (or priority) of the multiple DRX cycles, and the terminal device may switch according to the switching sequence of the multiple DRX cycles.
  • the switching sequence of the multiple DRX cycles may be determined according to the cycle duration of the multiple DRX cycles. For example, the switching sequence of the multiple DRX cycles is determined according to the cycle length from large to small, so that if the terminal device fails to detect the downlink transmission, the DRX cycle can be continuously reduced to ensure the delay requirements of data transmission. It is helpful to improve the probability of network equipment dispatching to terminal equipment.
  • FIG. 7 is a schematic block diagram of a terminal device 700 according to an embodiment of the present application.
  • the terminal device shown in FIG. 7 may refer to the terminal device in the method embodiment.
  • the terminal device 700 includes a processing unit 710.
  • the processing unit 710 is configured to perform the following operations: start a first timer according to the first discontinuous reception DRX cycle; if no downlink transmission is detected within the duration of the n first timers, then the first DRX cycle Switch to the second DRX cycle, where the first DRX cycle is greater than the second DRX cycle, and n is a positive integer.
  • the terminal device if it does not detect any downlink transmission within the duration of the first timer of the first DRX cycle, it can directly switch the first DRX cycle to the second DRX cycle. Less than the first DRX cycle. This can avoid the problem that if the network device does not detect an available channel within the duration of the first timer, it can only wait until the next first timer of the first DRX cycle to detect the channel, which causes the problem of data transmission performance degradation.
  • the solution of the embodiment of the present application can enable the terminal device to directly switch to the second DRX cycle with a shorter period according to the detection result within the first timer duration even if the network device does not preempt the channel, and the network device can follow the second DRX cycle.
  • the DRX periodically detects the channel, which can reduce the time delay of data transmission, improve data transmission performance, and help improve the probability of network equipment dispatching to terminal equipment.
  • the terminal device 700 further includes a communication unit 720 configured to receive a first DRX configuration message sent by a network device, and the first DRX configuration message includes at least two DRX cycles.
  • the at least two DRX cycles include the first DRX cycle and the second DRX cycle.
  • the communication unit 720 is configured to receive the switching sequence of the at least two DRX cycles sent by the network device, and the first DRX cycle and the second DRX cycle are adjacent in the switching sequence. The two DRX cycles.
  • the switching sequence of the at least two DRX cycles is determined according to the cycle duration of the at least two DRX cycles.
  • the first DRX cycle is the DRX cycle with the longest cycle duration among the at least two DRX cycles.
  • the terminal device 700 further includes a communication unit 720 configured to receive a second DRX configuration message sent by a network device, and the second DRX configuration message includes the first DRX cycle;
  • the processing unit is configured to determine the second DRX cycle according to the first DRX cycle.
  • the processing unit 710 is configured to determine the period duration and/or the activation period duration of the second DRX cycle according to the first DRX cycle.
  • the period duration of the second DRX cycle is obtained according to the first reduction rule on the basis of the period duration of the first DRX cycle, and/or, the activation period duration of the second DRX cycle is Obtained according to the second reduction rule on the basis of the duration of the activation period of the first DRX cycle.
  • both the first reduction rule and the second reduction rule include a reduction ratio and/or a number of reductions.
  • the first reduction rule and/or the second reduction rule are configured by the network device or specified by a protocol.
  • the period duration of the second DRX cycle is half of the period duration of the first DRX cycle, and/or the activation period duration of the second DRX cycle is the activation period of the first DRX cycle Half the duration.
  • the processing unit 710 is configured to, if the downlink transmission is detected in the second DRX cycle, switch the second DRX cycle to the target DRX cycle according to the instruction information sent by the network device; or, If the downlink transmission is detected in the second DRX cycle, start a second timer; after the second timer expires, switch the second DRX cycle to the target DRX cycle.
  • the target DRX cycle is greater than the second DRX cycle.
  • the target DRX cycle is the first DRX cycle.
  • the processing unit 710 is configured to start a third timer according to the second DRX cycle when the first DRX cycle is switched to the second DRX cycle, and the third timing The device is used to determine the length of stay of the terminal device in the second DRX cycle.
  • the downlink transmission includes a downlink signal and/or a downlink channel
  • the downlink signal and/or a downlink channel includes at least one of the following: a physical downlink control channel, a downlink semi-permanent scheduled transmission, a downlink reference signal, a downlink Reference signal sequence.
  • the downlink reference signal sequence includes a demodulation reference signal DMRS sequence.
  • terminal device 700 can perform the corresponding operations performed by the terminal device in the foregoing method, and for the sake of brevity, details are not described herein again.
  • FIG. 8 is a schematic block diagram of a network device 800 provided by an embodiment of the present application.
  • the network device shown in FIG. 8 may refer to the network device in the method embodiment.
  • the network device 800 includes a processing unit 810.
  • the processing unit 810 may be configured to perform the following operations: in the case of the need to send a downlink transmission to the terminal device, detect the channel on the unlicensed spectrum; if it is within the duration of n first timers of the first discontinuous transmission DRX cycle If no available channel is detected, the first DRX cycle is switched to the second DRX cycle, where the first DRX cycle is greater than the second DRX cycle, and n is a positive integer; in the second DRX cycle, the The channel is tested.
  • the network device can switch the first DRX cycle to the second In the DRX cycle, the channel is detected in the second DRX cycle. This can reduce the time interval for channel detection, which is beneficial to increase the probability of network equipment scheduling to terminal equipment, and improve data transmission performance.
  • the network device 800 further includes a communication unit 820, configured to send a first DRX configuration message to the terminal device, where the first DRX configuration message includes at least two DRX cycles, and the at least two DRX cycles The cycle includes the first DRX cycle and the second DRX cycle.
  • a communication unit 820 configured to send a first DRX configuration message to the terminal device, where the first DRX configuration message includes at least two DRX cycles, and the at least two DRX cycles The cycle includes the first DRX cycle and the second DRX cycle.
  • the communication unit 820 is further configured to send a switching sequence of the at least two DRX cycles to the terminal device, and the first DRX cycle and the second DRX cycle are adjacent in the switching sequence.
  • the two DRX cycles are further configured to send a switching sequence of the at least two DRX cycles to the terminal device, and the first DRX cycle and the second DRX cycle are adjacent in the switching sequence. The two DRX cycles.
  • the switching sequence of the at least two DRX cycles is determined according to the cycle duration of the at least two DRX cycles.
  • the first DRX cycle is the DRX cycle with the longest cycle duration among the at least two DRX cycles.
  • the network device 800 further includes a communication unit 820, configured to send a second DRX configuration message to the terminal device, where the second DRX configuration message includes the first DRX cycle; the processing unit 810 It is used to determine the second DRX cycle according to the first DRX cycle.
  • a communication unit 820 configured to send a second DRX configuration message to the terminal device, where the second DRX configuration message includes the first DRX cycle; the processing unit 810 It is used to determine the second DRX cycle according to the first DRX cycle.
  • the processing unit 810 is configured to determine the period duration and/or the activation period duration of the second DRX cycle according to the first DRX cycle.
  • the period duration of the second DRX cycle is obtained according to the first reduction rule on the basis of the period duration of the first DRX cycle, and/or, the activation period duration of the second DRX cycle is Obtained according to the second reduction rule on the basis of the duration of the activation period of the first DRX cycle.
  • both the first reduction rule and the second reduction rule include a reduction ratio and/or a number of reductions.
  • the communication unit is configured to send the first reduction rule and/or the second reduction rule to the terminal device.
  • the period duration of the second DRX cycle is half of the period duration of the first DRX cycle, and/or the activation period duration of the second DRX cycle is the activation period of the first DRX cycle Half the duration.
  • the network device 800 further includes a communication unit 820, configured to send indication information to the terminal device in the case of sending the downlink transmission to the terminal device in the second DRX cycle to indicate the The terminal device switches from the second DRX cycle to the target DRX cycle.
  • a communication unit 820 configured to send indication information to the terminal device in the case of sending the downlink transmission to the terminal device in the second DRX cycle to indicate the The terminal device switches from the second DRX cycle to the target DRX cycle.
  • the target DRX cycle is greater than the second DRX cycle.
  • the target DRX cycle is the first DRX cycle.
  • the downlink transmission includes a downlink signal and/or a downlink channel
  • the downlink signal and/or a downlink channel includes at least one of the following: a physical downlink control channel, a downlink semi-permanent scheduled transmission, a downlink reference signal, a downlink Reference signal sequence.
  • the downlink reference signal sequence includes a demodulation reference signal DMRS sequence.
  • the network device 800 can perform the corresponding operations performed by the network device in the foregoing method, and for the sake of brevity, details are not described herein again.
  • FIG. 9 is a schematic structural diagram of a communication device 900 provided by an embodiment of the present application.
  • the communication device 900 shown in FIG. 9 includes a processor 910, and the processor 910 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
  • the communication device 900 may further include a memory 920.
  • the processor 910 may call and run a computer program from the memory 920 to implement the method in the embodiment of the present application.
  • the memory 920 may be a separate device independent of the processor 910, or may be integrated in the processor 910.
  • the communication device 900 may further include a transceiver 930, and the processor 910 may control the transceiver 930 to communicate with other devices. Specifically, it may send information or data to other devices, or receive other devices. Information or data sent by the device.
  • the transceiver 930 may include a transmitter and a receiver.
  • the transceiver 930 may further include an antenna, and the number of antennas may be one or more.
  • the communication device 900 may specifically be a terminal device of an embodiment of the present application, and the communication device 900 may implement the corresponding process implemented by the terminal device in each method of the embodiment of the present application. For brevity, details are not repeated here. .
  • the processor 910 in the communication device 900 may be configured to perform the following operations: start a first timer according to the first discontinuous reception DRX cycle; if no downlink transmission is detected within the duration of n said first timers, Then the first DRX cycle is switched to the second DRX cycle, where the first DRX cycle is greater than the second DRX cycle, and n is a positive integer.
  • the communication device 900 may specifically be a network device of an embodiment of the application, and the communication device 900 may implement the corresponding process implemented by the network device in each method of the embodiment of the application. For brevity, details are not repeated here .
  • the processor 910 in the communication device 900 may be used to perform the following operations: when a downlink transmission needs to be sent to a terminal device, detect the channel on the unlicensed spectrum; if the first non-continuous transmission DRX cycle is n If no available channel is detected within the duration of the first timer, the first DRX cycle is switched to the second DRX cycle, where the first DRX cycle is greater than the second DRX cycle, and n is a positive integer; The second DRX cycle detects the channel.
  • Fig. 10 is a schematic structural diagram of a device according to an embodiment of the present application.
  • the apparatus 1000 shown in FIG. 10 includes a processor 1010, and the processor 1010 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
  • the device 1000 may further include a memory 1020.
  • the processor 1010 can call and run a computer program from the memory 1020 to implement the method in the embodiment of the present application.
  • the memory 1020 may be a separate device independent of the processor 1010, or it may be integrated in the processor 1010.
  • the device 1000 may further include an input interface 1030.
  • the processor 1010 can control the input interface 1030 to communicate with other devices or chips, and specifically, can obtain information or data sent by other devices or chips.
  • the device 1000 may further include an output interface 1040.
  • the processor 1010 can control the output interface 1040 to communicate with other devices or chips, specifically, can output information or data to other devices or chips.
  • the device can be applied to the terminal device in the embodiment of the present application, and the device can implement the corresponding process implemented by the terminal device in the various methods of the embodiment of the present application.
  • the device can implement the corresponding process implemented by the terminal device in the various methods of the embodiment of the present application.
  • the device can be applied to the network equipment in the embodiments of the present application, and the device can implement the corresponding processes implemented by the network equipment in the various methods of the embodiments of the present application.
  • the device can implement the corresponding processes implemented by the network equipment in the various methods of the embodiments of the present application.
  • details are not described herein again.
  • the device 1000 may be a chip. It should be understood that the chips mentioned in the embodiments of the present application may also be referred to as system-level chips, system-on-chips, system-on-chips, or system-on-chips.
  • the processor of the embodiment of the present application may be an integrated circuit chip with signal processing capability.
  • the steps of the foregoing method embodiments can be completed by hardware integrated logic circuits in the processor or instructions in the form of software.
  • the aforementioned processor may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (ASIC), a ready-made programmable gate array (Field Programmable Gate Array, FPGA) or other Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • DSP Digital Signal Processor
  • ASIC application specific integrated circuit
  • FPGA ready-made programmable gate array
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application 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 may 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, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
  • the memory in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), and electrically available Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • the volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache.
  • RAM random access memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM DDR SDRAM
  • ESDRAM enhanced synchronous dynamic random access memory
  • Synchlink DRAM SLDRAM
  • DR RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), Synchronous DRAM (SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (Double Data Rate SDRAM, DDR SDRAM), Enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (Synch Link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM), etc. That is to say, the memory in the embodiment of the present application is intended to include but not limited to these and any other suitable types of memory.
  • FIG. 11 is a schematic block diagram of a communication system 1100 according to an embodiment of the present application. As shown in FIG. 11, the communication system 1100 includes a network device 1110 and a terminal device 1120.
  • the network device 1110 is used to detect the channel on the unlicensed spectrum when the downlink transmission needs to be sent to the terminal device; if it is within the duration of n first timers of the first discontinuous transmission DRX cycle If no available channel is detected, the first DRX cycle is switched to the second DRX cycle, where the first DRX cycle is greater than the second DRX cycle, and n is a positive integer; in the second DRX cycle, the The channel is tested.
  • the terminal device 1120 is configured to: start a first timer according to the first discontinuous reception DRX cycle; if no downlink transmission is detected within the duration of the n first timers, set the first DRX cycle Switch to the second DRX cycle, where the first DRX cycle is greater than the second DRX cycle, and n is a positive integer.
  • the network device 1110 can be used to implement the corresponding functions implemented by the network device in the above method, and the composition of the network device 1110 can be as shown in the network device 800 in FIG. 8. For the sake of brevity, it will not be omitted here. Repeat.
  • the terminal device 1120 can be used to implement the corresponding functions implemented by the terminal device in the foregoing method, and the composition of the terminal device 1120 can be as shown in the terminal device 700 in FIG. Repeat.
  • the embodiment of the present application also provides a computer-readable storage medium for storing computer programs.
  • the computer-readable storage medium may be applied to the network device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer-readable storage medium can be applied to the terminal device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the terminal device in each method of the embodiment of the present application.
  • the computer-readable storage medium can be applied to the terminal device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the terminal device in each method of the embodiment of the present application. For brevity, here No longer.
  • the embodiments of the present application also provide a computer program product, including computer program instructions.
  • the computer program product may be applied to the network device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the computer program product can be applied to the terminal device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the terminal device in each method of the embodiment of the present application.
  • the computer program product can be applied to the terminal device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the terminal device in each method of the embodiment of the present application.
  • the embodiment of the present application also provides a computer program.
  • the computer program can be applied to the network device in the embodiment of the present application.
  • the computer program runs on the computer, the computer is caused to execute the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • I won’t repeat it here the computer program can be applied to the terminal device in the embodiment of the present application.
  • the computer program runs on the computer, it causes the computer to execute the corresponding process implemented by the terminal device in each method of the embodiment of the present application.
  • B corresponding (corresponding) to A means that B is associated with A, and B can be determined according to A.
  • determining B according to A does not mean that B is determined only according to A, and B can also be determined according to A and/or other information.
  • the disclosed system, device, and method may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the unit is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be combined or may be Integrate into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
  • each unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
  • the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium.
  • the technical solution of this application essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the method described in each embodiment of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code .

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Abstract

Disclosed are a method and apparatus for discontinuous reception on an unlicensed spectrum capable of enhancing data transmission performance. The method comprises: a terminal apparatus activating a first timer according to a first discontinuous reception (DRX) cycle; and if no downlink transmission is detected within n durations of the first timer, the terminal apparatus switching from the first DRX cycle to a second DRX cycle, wherein the first DRX cycle is greater than the second DRX cycle, and n is a positive integer.

Description

非授权频谱上非连续接收的方法及设备Method and equipment for discontinuous reception on unlicensed spectrum 技术领域Technical field
本申请实施例涉及通信领域，并且更具体地，涉及一种非授权频谱上非连续接收的方法及设备。The embodiments of the present application relate to the field of communications, and more specifically, to a method and device for discontinuous reception on an unlicensed spectrum.
背景技术Background technique
终端设备为了省电，采用非连续接收(Discontinuous Reception，DRX)的方式来接收下行传输。网络设备可以为终端设备配置一个DRX周期(cycle)。其中，DRX cycle由激活期(On Duration)和休眠期(Opportunity for DRX)组成，在On Duration时间内，终端设备监听并接收下行传输；在Opportunity for DRX时间内，终端设备不接收下行传输以减少功耗。In order to save power, the terminal device adopts Discontinuous Reception (DRX) to receive downlink transmission. The network device can configure a DRX cycle (cycle) for the terminal device. Among them, the DRX cycle consists of an activation period (On Duration) and a dormancy period (Opportunity for DRX). During the On Duration time, the terminal device monitors and receives the downlink transmission; during the Opportunity for DRX time, the terminal device does not receive the downlink transmission to reduce Power consumption.
但是对于非授权频谱，网络设备需要在信道侦听成功的情况下才能进行下行传输。如果终端设备在DRX周期的激活期没有接收到下行传输，则有可能是网络设备没有下行传输需要向终端设备发送，也有可能是网络设备有下行传输需要发送，但是却没有侦听到可用信道。对于后一种情况，如何保证数据传输性能，使网络设备能够及时向终端设备发送下行传输成为亟需解决的问题。However, for unlicensed spectrum, network equipment can only perform downlink transmission when channel listening is successful. If the terminal device does not receive the downlink transmission during the active period of the DRX cycle, it may be that the network device has no downlink transmission to send to the terminal device, or it may be that the network device has a downlink transmission to send, but has not listened to an available channel. In the latter case, how to ensure the data transmission performance so that the network device can send downlink transmission to the terminal device in time has become an urgent problem to be solved.
发明内容Summary of the invention
本申请实施例提供了一种非授权频谱上非连续接收的方法及设备，有利于提高数据传输性能。The embodiments of the present application provide a method and device for discontinuous reception on an unlicensed spectrum, which is beneficial to improving data transmission performance.
第一方面，提供了一种非授权频谱上非连续接收的方法，包括：终端设备根据第一非连续接收DRX周期启动第一定时器；如果在n个所述第一定时器的时长内没有检测到下行传输，则所述终端设备将所述第一DRX周期切换到第二DRX周期，其中，所述第一DRX周期大于所述第二DRX周期，n为正整数。In a first aspect, a method for discontinuous reception on an unlicensed spectrum is provided, which includes: a terminal device starts a first timer according to a first discontinuous reception DRX cycle; if there is no DRX within the duration of n said first timers When downlink transmission is detected, the terminal device switches the first DRX cycle to the second DRX cycle, where the first DRX cycle is greater than the second DRX cycle, and n is a positive integer.
第二方面，提供了一种非授权频谱上非连续接收的方法，包括：在网络设备需要向终端设备发送下行传输的情况下，所述网络设备对非授权频谱上的信道进行检测；如果所述网络设备在第一非连续发射DRX周期的n个第一定时器的时长内没有检测到可用信道，则所述网络设备将第一DRX周期切换到第二DRX周期，其中，所述第一DRX周期大于所述第二DRX周期，n为正整数；所述网络设备在所述第二DRX周期对所述信道进行检测。In a second aspect, a method for discontinuous reception on an unlicensed spectrum is provided, which includes: when a network device needs to send a downlink transmission to a terminal device, the network device detects a channel on the unlicensed spectrum; If the network device does not detect an available channel within the duration of n first timers of the first discontinuous transmission DRX cycle, the network device switches the first DRX cycle to the second DRX cycle, wherein the first DRX cycle The DRX cycle is greater than the second DRX cycle, and n is a positive integer; the network device detects the channel in the second DRX cycle.
第三方面，提供了一种终端设备，用于执行上述第一方面或其各实现方式中的方法。具体地，所述终端设备包括用于执行上述第一方面或其各实现方式中的方法的功能模块。In a third aspect, a terminal device is provided, which is used to execute the method in the foregoing first aspect or each of its implementation manners. Specifically, the terminal device includes a functional module for executing the method in the foregoing first aspect or each implementation manner thereof.
第四方面，提供了一种网络设备，用于执行上述第二方面或其各实现方式中的方法。具体地，所述网络设备包括用于执行上述第二方面或其各实现方式中的方法的功能模块。In a fourth aspect, a network device is provided, which is configured to execute the method in the second aspect or its implementation manners. Specifically, the network device includes a functional module for executing the method in the foregoing second aspect or each implementation manner thereof.
第五方面，提供了一种终端设备，包括处理器和存储器。所述存储器用于存储计算机程序，所述处理器用于调用并运行所述存储器中存储的计算机程序，以执行上述第一方面或其各实现方式中的方法。In a fifth aspect, a terminal device is provided, including a processor and a memory. The memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory to execute the method in the foregoing first aspect or each of its implementation manners.
第六方面，提供了一种网络设备，包括处理器和存储器。所述存储器用于存储计算机程序，所述处理器用于调用并运行所述存储器中存储的计算机程序，以执行上述第二方面或其各实现方式中的方法。In a sixth aspect, a network device is provided, including a processor and a memory. The memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory to execute the method in the above-mentioned second aspect or each implementation manner thereof.
第七方面，提供了一种装置，用于实现上述第一方面至第二方面中的任一方面或其各实现方式中的方法。具体地，所述装置包括：处理器，用于从存储器中调用并运行计算机程序，使得安装有所述芯片的设备执行如上述第一方面至第二方面中的任一方面或其各实现方式中的方法。In a seventh aspect, a device is provided for implementing any one of the first aspect to the second aspect or the method in each implementation manner thereof. Specifically, the device includes: a processor, configured to call and run a computer program from the memory, so that the device installed with the chip executes any one of the above-mentioned first aspect to the second aspect or each implementation manner thereof Method in.
第八方面，提供了一种计算机可读存储介质，用于存储计算机程序，所述计算机程序使得计算机执行上述第一方面至第二方面中的任一方面或其各实现方式中的方法。In an eighth aspect, a computer-readable storage medium is provided for storing a computer program that enables a computer to execute any one of the above-mentioned first aspect to the second aspect or the method in each implementation manner thereof.
第九方面，提供了一种计算机程序产品，包括计算机程序指令，所述计算机程序指令使得计算机执行上述第一方面至第二方面中的任一方面或其各实现方式中的方法。In a ninth aspect, a computer program product is provided, which includes computer program instructions that cause a computer to execute any one of the above-mentioned first aspect to the second aspect or the method in each implementation manner thereof.
第十方面，提供了一种计算机程序，当其在计算机上运行时，使得计算机执行上述第一方面至第二方面中的任一方面或其各实现方式中的方法。In a tenth aspect, a computer program is provided, which when running on a computer, causes the computer to execute any one of the above-mentioned first aspect to the second aspect or the method in each implementation manner thereof.
第十一方面，提供了一种通信***，包括网络设备和终端设备。In an eleventh aspect, a communication system is provided, including a network device and a terminal device.
其中，所述网络设备用于：在需要向终端设备发送下行传输的情况下，对非授权频谱上的信道进行检测；如果在第一非连续发射DRX周期的n个第一定时器的时长内没有检测到可用信道，则将第一DRX周期切换到第二DRX周期，其中，所述第一DRX周期大于所述第二DRX周期，n为正整数；在所述第二DRX周期对所述信道进行检测。Wherein, the network device is used to: in the case of a need to send a downlink transmission to the terminal device, detect the channel on the unlicensed spectrum; if it is within the duration of n first timers of the first discontinuous transmission DRX cycle If no available channel is detected, the first DRX cycle is switched to the second DRX cycle, where the first DRX cycle is greater than the second DRX cycle, and n is a positive integer; in the second DRX cycle, the The channel is tested.
其中，所述终端设备用于：根据第一非连续接收DRX周期启动第一定时器；如果在n个所述第一定时器的时长内没有检测到下行传输，则将所述第一DRX周期切换到第二DRX周期，其中，所述第一DRX周期大于所述第二DRX周期，n为正整数。Wherein, the terminal device is configured to: start a first timer according to the first discontinuous reception DRX cycle; if no downlink transmission is detected within the duration of the n first timers, set the first DRX cycle Switch to the second DRX cycle, where the first DRX cycle is greater than the second DRX cycle, and n is a positive integer.
基于上述技术方案，如果终端设备在第一DRX周期的第一定时器的时长内没有检测到任何下行传 输，可以直接将第一DRX周期切换到第二DRX周期，第二DRX周期小于第一DRX周期。这样可以避免网络设备如果在第一定时器的时长内没有检测到可用信道，只能等到该第一DRX周期的下一个第一定时器才能对信道进行检测，导致数据传输性能下降的问题。Based on the above technical solution, if the terminal device does not detect any downlink transmission within the duration of the first timer of the first DRX cycle, it can directly switch the first DRX cycle to the second DRX cycle, and the second DRX cycle is smaller than the first DRX cycle. cycle. This can avoid the problem that if the network device does not detect an available channel within the duration of the first timer, it can only wait until the next first timer of the first DRX cycle to detect the channel, which causes the problem of data transmission performance degradation.
本申请的方案可以使得网络设备即使没有抢占到信道，终端设备也可以根据第一定时器时长内的检测结果，直接切换到周期较短的第二DRX周期，网络设备可以按照该第二DRX周期对信道进行检测，这样能够减小数据传输的时延，提高数据传输性能，有利于提高网络设备调度到终端设备的概率。The solution of this application can enable the network device to switch directly to the second DRX cycle with a shorter period according to the detection result within the first timer duration even if the network device does not preempt the channel, and the network device can follow the second DRX cycle Detecting the channel can reduce the time delay of data transmission, improve data transmission performance, and help improve the probability of network equipment dispatching to terminal equipment.
附图说明Description of the drawings
图1是本申请实施例应用的一种通信***架构的示意图。Fig. 1 is a schematic diagram of a communication system architecture applied by an embodiment of the present application.
图2是本申请实施例提供的一种DRX周期的示意图。Fig. 2 is a schematic diagram of a DRX cycle provided by an embodiment of the present application.
图3是本申请实施例提供的一种非授权频谱上非连续接收的方法的示意性流程图。FIG. 3 is a schematic flowchart of a method for discontinuous reception on an unlicensed spectrum provided by an embodiment of the present application.
图4是本申请实施例提供的另一种非授权频谱上非连续接收的方法的示意性流程图。FIG. 4 is a schematic flowchart of another method for discontinuous reception on an unlicensed spectrum provided by an embodiment of the present application.
图5是本申请实施例提供的一种DRX周期切换的示意图。Fig. 5 is a schematic diagram of a DRX cycle switching provided by an embodiment of the present application.
图6是本申请实施例提供的另一种DRX周期切换的示意图。Fig. 6 is a schematic diagram of another DRX cycle switching provided by an embodiment of the present application.
图7是本申请实施例提供的一种终端设备的示意框图。FIG. 7 is a schematic block diagram of a terminal device provided by an embodiment of the present application.
图8是本申请实施例提供的一种网络设备的示意框图。Fig. 8 is a schematic block diagram of a network device provided by an embodiment of the present application.
图9是本申请实施例提供的一种通信设备的示意性框图。FIG. 9 is a schematic block diagram of a communication device provided by an embodiment of the present application.
图10是本申请实施例提供的一种装置的示意性结构图。FIG. 10 is a schematic structural diagram of a device provided by an embodiment of the present application.
图11是本申请实施例提供的一种通信***的示意性框图。FIG. 11 is a schematic block diagram of a communication system provided by an embodiment of the present application.
具体实施方式detailed description
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are a part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of this application.
图1是本申请实施例的一个应用场景的示意图。Fig. 1 is a schematic diagram of an application scenario of an embodiment of the present application.
如图1所示，通信***100可以包括终端设备110和网络设备120。网络设备120可以通过空口与终端设备110通信。终端设备110和网络设备120之间支持多业务传输。As shown in FIG. 1, the communication system 100 may include a terminal device 110 and a network device 120. The network device 120 may communicate with the terminal device 110 through an air interface. The terminal device 110 and the network device 120 support multi-service transmission.
应理解，本申请实施例仅以通信***100进行示例性说明，但本申请实施例不限定于此。也就是说，本申请实施例的技术方案可以应用于各种通信***，例如：全球移动通讯(Global System of Mobile communication，GSM)***、码分多址(Code Division Multiple Access，CDMA)***、宽带码分多址(Wideband Code Division Multiple Access，WCDMA)***、通用分组无线业务(General Packet Radio Service，GPRS)、长期演进(Long Term Evolution，LTE)***、LTE时分双工(Time Division Duplex，TDD)、通用移动通信***(Universal Mobile Telecommunication System，UMTS)、全球互联微波接入(Worldwide Interoperability for Microwave Access，WiMAX)通信***、新无线(New Radio，NR)或未来的5G***等。It should be understood that the embodiment of the present application only uses the communication system 100 for exemplary description, but the embodiment of the present application is not limited thereto. In other words, the technical solutions of the embodiments of this application can be applied to various communication systems, such as: Global System of Mobile Communication (GSM) system, Code Division Multiple Access (CDMA) system, and broadband Code Division Multiple Access (Wideband Code Division Multiple Access, WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (LTE) system, LTE Time Division Duplex (TDD) , Universal Mobile Telecommunication System (UMTS), Worldwide Interoperability for Microwave Access (WiMAX) communication system, New Radio (NR) or future 5G systems, etc.
以5G***为例，本申请实施例的技术方案可以应用于广域的长期演进(Long Term Evolution，LTE)覆盖和NR的孤岛覆盖模式。而且大量的LTE部署在6GHz以下，可用于5G的6GHz以下频谱很少。所以NR必须研究6GHz以上的频谱应用，而高频段覆盖有限、信号衰落快。同时为了保护移动运营商前期在LTE投资，提出了LTE和NR之间紧密连接(tight interworking)的工作模式。Taking the 5G system as an example, the technical solutions of the embodiments of the present application can be applied to the long-term evolution (LTE) coverage of a wide area and the NR island coverage mode. Moreover, a large amount of LTE is deployed below 6GHz, and there are few sub-6GHz spectrums available for 5G. So NR must study the frequency spectrum application above 6GHz, and the high frequency band has limited coverage and fast signal fading. At the same time, in order to protect mobile operators' early investment in LTE, a tight interworking mode between LTE and NR is proposed.
5G的主要应用场景包括：增强移动超宽带(Enhance Mobile Broadband，eMBB)、低时延高可靠通信(Ultra-Reliable and Low Latency Communication，URLLC)、大规模机器类通信(massive machine type of communication，mMTC)。其中，eMBB以用户获得多媒体内容、服务和数据为目标，其需求增长十分迅速。由于eMBB可能部署在不同的场景中。例如，室内，市区，农村等，其能力和需求的差别也比较大，所以不能一概而论，可以结合具体的部署场景详细分析。URLLC的典型应用包括：工业自动化，电力自动化，远程医疗操作(手术)，交通安全保障等。mMTC的典型特点包括：高连接密度，小数据量，时延不敏感业务，模块的低成本和长使用寿命等。The main application scenarios of 5G include: Enhance Mobile Broadband (eMBB), Ultra-Reliable and Low Latency Communication (URLLC), and massive machine type of communication, mMTC ). Among them, eMBB aims at users to obtain multimedia content, services and data, and its demand is growing rapidly. Because eMBB may be deployed in different scenarios. For example, indoors, urban areas, rural areas, etc., have relatively large differences in capabilities and needs, so they cannot be generalized, and can be analyzed in detail in combination with specific deployment scenarios. Typical applications of URLLC include: industrial automation, power automation, telemedicine operations (surgery), traffic safety protection, etc. Typical features of mMTC include: high connection density, small data volume, delay-insensitive services, low-cost modules and long service life.
此外，由于完整的5G NR覆盖很难获取，因此，本申请实施例的网络覆盖可以采用广域的长期演进(Long Term Evolution，LTE)覆盖和NR的孤岛覆盖模式。同时，为了保护移动运营商前期在LTE投资，进一步地可以采用LTE和NR之间紧密连接(tight interworking)的工作模式。In addition, since complete 5G NR coverage is difficult to obtain, the network coverage in the embodiments of the present application may adopt wide-area Long Term Evolution (LTE) coverage and NR island coverage mode. At the same time, in order to protect mobile operators' early investment in LTE, a tight interworking mode between LTE and NR can be further adopted.
特别地，本申请实施例的技术方案可以应用于各种基于非正交多址接入技术的通信***，例如，稀疏码多址接入(Sparse Code Multiple Access，SCMA)***、低密度签名(Low Density Signature，LDS)***等，当然SCMA***和LDS***在通信领域也可以被称为其他名称；进一步地，本申请实施例的 技术方案可以应用于采用非正交多址接入技术的多载波传输***，例如采用非正交多址接入技术正交频分复用(Orthogonal Frequency Division Multiplexing，OFDM)、滤波器组多载波(Filter Bank Multi-Carrier，FBMC)、通用频分复用(Generalized Frequency Division Multiplexing，GFDM)、滤波正交频分复用(Filtered-OFDM，F-OFDM)***等。In particular, the technical solutions of the embodiments of the present application can be applied to various communication systems based on non-orthogonal multiple access technologies, such as sparse code multiple access (SCMA) systems, low-density signatures ( Low Density Signature (LDS) system, etc. Of course, the SCMA system and LDS system can also be called other names in the communication field; further, the technical solutions of the embodiments of this application can be applied to multiple access technologies that use non-orthogonal multiple access technologies. Carrier transmission systems, such as non-orthogonal multiple access technology, Orthogonal Frequency Division Multiplexing (OFDM), Filter Bank Multi-Carrier (FBMC), General Frequency Division Multiplexing ( Generalized Frequency Division Multiplexing, GFDM), filtered orthogonal frequency division multiplexing (Filtered-OFDM, F-OFDM) systems, etc.
在图1所示的通信***100中，网络设备120可以是与终端设备110通信的接入网设备。接入网设备可以为特定的地理区域提供通信覆盖，并且可以与位于该覆盖区域内的终端设备110(例如UE)进行通信。In the communication system 100 shown in FIG. 1, the network device 120 may be an access network device that communicates with the terminal device 110. The access network device can provide communication coverage for a specific geographic area, and can communicate with terminal devices 110 (for example, UE) located in the coverage area.
可选地，该网络设备120可以是全球移动通讯(Global System of Mobile communication，GSM)***或码分多址(Code Division Multiple Access，CDMA)中的基站(Base Transceiver Station，BTS)，也可以是宽带码分多址(Wideband Code Division Multiple Access，WCDMA)***中的基站(NodeB，NB)，网络设备120还可以是长期演进(Long Term Evolution，LTE)***中的演进型基站(Evolutional Node B，eNB或eNodeB)。可选地，该网络设备120还可以是下一代无线接入网(Next Generation Radio Access Network，NG RAN)，或者是NR***中的基站(gNB)，或者是云无线接入网络(Cloud Radio Access Network，CRAN)中的无线控制器，或者该接入网设备可以为中继站、接入点、车载设备、可穿戴设备、集线器、交换机、网桥、路由器，或者未来演进的公共陆地移动网络(Public Land Mobile Network，PLMN)中的网络设备等。Optionally, the network device 120 may be a base station (Base Transceiver Station, BTS) in a global system of mobile communication (GSM) system or a code division multiple access (Code Division Multiple Access, CDMA), or it may be The base station (NodeB, NB) in the Wideband Code Division Multiple Access (WCDMA) system, and the network device 120 may also be the Evolutional Node B (Evolutional Node B) in the Long Term Evolution (LTE) system. eNB or eNodeB). Optionally, the network device 120 may also be a next generation radio access network (Next Generation Radio Access Network, NG RAN), or a base station (gNB) in an NR system, or a cloud radio access network (Cloud Radio Access). Network, CRAN), or the access network device can be a relay station, access point, vehicle-mounted device, wearable device, hub, switch, bridge, router, or the future evolution of the public land mobile network (Public Land Mobile Network) Land Mobile Network (PLMN) network equipment, etc.
可选地，该终端设备110可以是任意终端设备，包括但不限于：经由有线线路连接，如经由公共交换电话网络(Public Switched Telephone Networks，PSTN)、数字用户线路(Digital Subscriber Line，DSL)、数字电缆、直接电缆连接；和/或另一数据连接/网络；和/或经由无线接口，如，针对蜂窝网络、无线局域网(Wireless Local Area Network，WLAN)、诸如DVB-H网络的数字电视网络、卫星网络、AM-FM广播发送器；和/或另一终端设备的被设置成接收/发送通信信号的装置；和/或物联网(Internet of Things，IoT)设备。被设置成通过无线接口通信的终端设备可以被称为“无线通信终端”、“无线终端”或“移动终端”。移动终端的示例包括但不限于卫星或蜂窝电话；可以组合蜂窝无线电电话与数据处理、传真以及数据通信能力的个人通信***(Personal Communications System，PCS)终端；可以包括无线电电话、寻呼机、因特网/内联网接入、Web浏览器、记事簿、日历以及/或全球定位***(Global Positioning System，GPS)接收器的PDA；以及常规膝上型和/或掌上型接收器或包括无线电电话收发器的其它电子装置。终端设备可以指接入终端、用户设备(User Equipment，UE)、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。接入终端可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol，SIP)电话、无线本地环路(Wireless Local Loop，WLL)站、个人数字处理(Personal Digital Assistant，PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备、5G网络中的终端设备或者未来演进的PLMN中的终端设备等。Optionally, the terminal device 110 may be any terminal device, including but not limited to: connected via a wired line, such as via a public switched telephone network (Public Switched Telephone Networks, PSTN), digital subscriber line (Digital Subscriber Line, DSL), Digital cable, direct cable connection; and/or another data connection/network; and/or via a wireless interface, such as for cellular networks, wireless local area networks (WLAN), digital television networks such as DVB-H networks , Satellite network, AM-FM broadcast transmitter; and/or another terminal device set to receive/send communication signals; and/or Internet of Things (IoT) equipment. A terminal device set to communicate through a wireless interface may be referred to as a "wireless communication terminal", a "wireless terminal" or a "mobile terminal". Examples of mobile terminals include, but are not limited to, satellites or cellular phones; Personal Communications System (PCS) terminals that can combine cellular radio phones with data processing, fax, and data communication capabilities; can include radio phones, pagers, Internet/intranet PDA with internet access, web browser, memo pad, calendar, and/or Global Positioning System (GPS) receiver; and conventional laptop and/or palmtop receivers or others including radio phone transceivers Electronic device. Terminal equipment can refer to access terminals, user equipment (UE), user units, user stations, mobile stations, mobile stations, remote stations, remote terminals, mobile equipment, user terminals, terminals, wireless communication equipment, user agents, or User device. The access terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital processing (Personal Digital Assistant, PDA), with wireless communication Functional handheld devices, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in 5G networks, or terminal devices in the future evolution of PLMN, etc.
可选地，终端设备110之间可以进行终端直连(Device to Device，D2D)通信。Optionally, direct terminal connection (Device to Device, D2D) communication may be performed between the terminal devices 110.
图1示例性的示出了一个网络设备和一个终端设备，可选地，该通信***100可以包括多个网络设备并且每个网络设备的覆盖范围内可以包括其它数量的终端设备，本申请实施不限于此。FIG. 1 exemplarily shows a network device and a terminal device. Optionally, the communication system 100 may include multiple network devices and the coverage of each network device may include other numbers of terminal devices. The implementation of this application Not limited to this.
可选地，该通信***100还可以包括网络控制器、移动管理实体等其他网络实体，本申请实施例不限于此。Optionally, the communication system 100 may also include other network entities such as a network controller and a mobility management entity, and the embodiment of the present application is not limited thereto.
可选地，本申请实施例的上行信道可以包括物理随机接入信道(Physical Random Access Channel，PRACH)、物理上行控制信道(Physical Uplink Control channel，PUCCH)、物理上行共享信道(Physical Uplink Shared channel，PUSCH)等。上行参考信号可以包括上行解调参考信号(Demodulation Reference Signal，DMRS)、探测参考信号(Sounding Reference Signal，SRS)、相位跟踪参考信号(PT-RS)等。其中，上行DMRS可用于上行信道的解调，SRS可用于上行信道的测量、上行时频同步或相位跟踪，PT-RS也可用于上行信道的测量、上行时频同步或相位跟踪。应理解，本申请实施例中可以包括和上述名称相同、功能不同的上行物理信道或上行参考信号，也可以包括和上述名称不同、功能相同的上行物理信道或上行参考信号，本申请对此并不限定。Optionally, the uplink channel of the embodiment of the present application may include a physical random access channel (Physical Random Access Channel, PRACH), a physical uplink control channel (Physical Uplink Control channel, PUCCH), and a physical uplink shared channel (Physical Uplink Shared channel, PUSCH) and so on. The uplink reference signal may include an uplink demodulation reference signal (Demodulation Reference Signal, DMRS), a sounding reference signal (Sounding Reference Signal, SRS), a phase tracking reference signal (PT-RS), etc. Among them, the uplink DMRS can be used for uplink channel demodulation, SRS can be used for uplink channel measurement, uplink time-frequency synchronization or phase tracking, and PT-RS can also be used for uplink channel measurement, uplink time-frequency synchronization or phase tracking. It should be understood that the embodiments of the present application may include uplink physical channels or uplink reference signals with the same names and different functions as the above, and may also include uplink physical channels or uplink reference signals with different names and the same functions as the above. Not limited.
应理解，本申请实施例中网络/***中具有通信功能的设备均可称为通信设备。以图1示出的通信***100为例，通信设备可包括具有通信功能的网络设备120和终端设备110，网络设备120和终端设备110可以为上文所述的设备，此处不再赘述；通信设备还可包括通信***100中的其他设备，例如网络控制器、移动管理实体等其他网络实体，本申请实施例中对此不做限定。It should be understood that all devices with communication functions in the network/system in the embodiments of the present application can be referred to as communication devices. Taking the communication system 100 shown in FIG. 1 as an example, the communication device may include a network device 120 and a terminal device 110 having communication functions, and the network device 120 and the terminal device 110 may be the above-mentioned devices, which will not be repeated here; The communication device may also include other devices in the communication system 100, such as other network entities such as a network controller and a mobility management entity, which are not limited in the embodiment of the present application.
应理解，本文中术语“***”和“网络”在本文中常被可互换使用。本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或” 的关系。It should be understood that the terms "system" and "network" in this article are often used interchangeably in this article. The term "and/or" in this article is only an association relationship describing associated objects, which means that there can be three relationships, for example, A and/or B, which can mean: A alone exists, A and B exist at the same time, exist alone B these three situations. In addition, the character "/" in this text generally indicates that the associated objects before and after are in an "or" relationship.
目前，NR***也支持使用非授权频段，NR***工作在非授权频段的场景包括如下几种：Currently, the NR system also supports the use of unlicensed frequency bands. The scenarios in which the NR system works in unlicensed frequency bands include the following:
1、载波聚合场景：主小区(primary cell，PCell)为授权频谱，通过载波聚合方式聚合工作在非授权频谱上的辅小区(secondary cell，SCell)。1. Carrier aggregation scenario: Primary cell (primary cell, PCell) is a licensed spectrum, and secondary cells (secondary cells, SCell) working on unlicensed spectrum are aggregated through carrier aggregation.
2、双连接工作场景：PCell为LTE授权频谱，主辅小区(primary secondary cell，PSCell)为NR非授权频谱。2. Dual-connection working scenario: PCell is the LTE authorized spectrum, and the primary and secondary cell (PSCell) is NR unlicensed spectrum.
3、独立工作场景：NR作为一个独立小区工作在非授权频谱。3. Independent work scenario: NR works as an independent cell in an unlicensed spectrum.
以NR***为例，非授权频段上的NR(NR-based access to unlicensed spectrum，NR-U)的工作频带为5GHz非授权频谱和6GHz非授权频谱。在非授权频谱上，NR-U的设计应该保证与其他已经工作在这些非授权频谱上的***之间的公平性，例如无线局域网(wireless fidelity，WiFi)等。公平性的原则是，NR-U对于已经部署在非授权频谱上的***的影响不能超过这些***之间的影响。Taking the NR system as an example, the working frequency bands of NR (NR-based access to unlicensed spectrum, NR-U) on the unlicensed frequency band are 5GHz unlicensed spectrum and 6GHz unlicensed spectrum. On the unlicensed spectrum, the design of NR-U should ensure fairness with other systems that are already working on these unlicensed spectrums, such as wireless fidelity (WiFi). The principle of fairness is that the impact of NR-U on systems that have been deployed on unlicensed spectrum cannot exceed the impact between these systems.
为了保证在非授权频谱上各***之间的公平性共存，能量检测已经被同意作为一个基本的共存机制。一般的能量检测机制为先听后说(listen before talk，LBT)机制，该机制的基本原理为，基站或者终端(传输端)在非授权频谱上传输数据之前，需要先按照规定侦听一段时间。如果侦听的结果表示该信道为空闲状态，则传输端可以给接收端传输数据。如果侦听的结果表示该信道为占用状态，则传输端需要根据规定回退一段时间再继续侦听信道，直到信道侦听结果为空闲状态，才能向接收端传输数据。In order to ensure fair coexistence between systems on unlicensed spectrum, energy detection has been agreed as a basic coexistence mechanism. The general energy detection mechanism is the listen before talk (LBT) mechanism. The basic principle of this mechanism is that the base station or terminal (transmission end) needs to listen for a period of time before transmitting data on the unlicensed spectrum. . If the result of the listening indicates that the channel is idle, the transmitting end can transmit data to the receiving end. If the listening result indicates that the channel is in an occupied state, the transmitting end needs to back off for a period of time according to regulations before continuing to listen to the channel until the channel listening result is idle before transmitting data to the receiving end.
下面以LTE授权辅助接入(licensed-assisted access，LAA)为例，对LTE LAA非授权频段信道的接入流程进行描述。The following uses LTE licensed-assisted access (LAA) as an example to describe the access process of the LTE LAA unlicensed frequency band channel.
对于下行数据传输，在非授权频段上，基站需要执行LBT。在LAA中，信道接入的优先级由如下表1决定。For downlink data transmission, the base station needs to perform LBT on the unlicensed frequency band. In LAA, the priority of channel access is determined by the following Table 1.
表1信道接入优先级Table 1 Channel access priority
Figure PCTCN2019078787-appb-000001
Figure PCTCN2019078787-appb-000001
其中Mp与执行信道接入的侦听信道时间有关系。具体地，基站需要先执行Td时长的信道侦听，其中Td＝16us+Mp×9us。Among them, Mp is related to the listening channel time for channel access. Specifically, the base station needs to perform channel sensing of Td duration first, where Td=16us+Mp×9us.
其中，CW min,p、CW max,p与信道接入过程中的随机侦听信道时间有关系。具体地，在基站侦听Td时长的信道为空闲时，需要再侦听N次信道，每次时长为9us。其中N为一个从0到CWp之间的随机数，而CW min,p≤CW p≤CW max,p。 Among them, CW min,p and CW max,p are related to the random channel time during channel access. Specifically, when the base station listens to the channel for the Td duration and is idle, it needs to listen to the channel N times again, each with a duration of 9 us. Where N is a random number from 0 to CWp, and CW min,p ≤CW p ≤CW max,p .
其中，T mcot,p为基站抢占到信道之后，占用信道的最长时间。该T mcot,p与基站采用的信道优先级有关系，比如信道优先级为1，则信道侦听成功之后，最多占用信道2ms。 Among them, T mcot,p is the longest time for the base station to occupy the channel after it has seized the channel. The T mcot,p is related to the channel priority adopted by the base station. For example, if the channel priority is 1, then the channel will be occupied for 2 ms at most after the channel listening is successful.
综上，对于终端设备来讲，网络设备给终端设备传输数据需要在MCOT时间之内，如果网络设备在该时间内没有抢占到信道，或者网络设备在MCOT时间之外抢占到信道，终端设备是不会收到网络设备发送的调度数据的。In summary, for terminal equipment, the network equipment needs to transmit data to the terminal equipment within the MCOT time. If the network equipment does not seize the channel within this time, or the network equipment seizes the channel outside the MCOT time, the terminal equipment is Will not receive scheduling data sent by network equipment.
在图1所示的通信框架中，终端设备110和网络设备120之间可以传输基于包的数据流，然而，基于包的数据流通常是突发性的。In the communication framework shown in FIG. 1, a packet-based data stream can be transmitted between the terminal device 110 and the network device 120. However, the packet-based data stream is usually bursty.
换句话说，终端设备110在一段时间内有数据传输，但在接下来的较长一段时间内没有数据传输。由此，如果终端设备110一直对物理下行链路控制信道(physical downlink control channel，PDCCH)盲检，会导致终端设备的功耗过大。In other words, the terminal device 110 has data transmission for a period of time, but there is no data transmission for the next longer period of time. Therefore, if the terminal device 110 has been blindly checking the physical downlink control channel (PDCCH), it will cause excessive power consumption of the terminal device.
长期演进(long term evolution，LTE)中，提出了非连续接收(discontinuous reception，DRX)的概念。具体的，DRX的主要想法是：网络可以配置终端在网络预知的时间醒来(DRX ON)，终端监听下行控制信道；同时网络也可以配置终端在网络预知的时间睡眠(DRX OFF)，即，终端设备不用监听下行控制信道。这样，如果网络设备120有数据要传给终端设备110，网路设备120可以在终端设备110处于DRX ON的时间内调度所述终端设备110，而DRC OFF时间内，由于射频关闭，可以减少终端耗电。In the long term evolution (LTE), the concept of discontinuous reception (DRX) is proposed. Specifically, the main idea of DRX is: the network can configure the terminal to wake up at the time predicted by the network (DRX ON), and the terminal monitors the downlink control channel; at the same time, the network can also configure the terminal to sleep at the time predicted by the network (DRX OFF), that is, The terminal equipment does not need to monitor the downlink control channel. In this way, if the network device 120 has data to be transmitted to the terminal device 110, the network device 120 can schedule the terminal device 110 during the DRX ON time of the terminal device 110. During the DRC OFF time, the radio frequency is turned off, which can reduce the number of terminals. Power consumption.
具体地，媒体介入控制(Media Access Control，MAC)实体(entity)可以由无线资源控制(Radio Resource Control，RRC)配置DRX功能，用于控制终端监测下行传输的行为。Specifically, the Media Access Control (MAC) entity may be configured with a DRX function by Radio Resource Control (RRC) to control the terminal's behavior of monitoring downlink transmission.
例如，如图2所述，网络设备为终端设备配置的DRX周期(cycle)由激活期(On Duration)和休眠期(Opportunity for DRX)组成。对于在RRC连接态(RRC connected)模式下，如果终端设备配置了DRX功能，终端设备可以在激活期(Active Time)内监听并接收PDCCH；并在非激活器(Non Active Time)内不接收PDCCH以减少功耗。For example, as shown in Figure 2, the DRX cycle (cycle) configured by the network device for the terminal device consists of an activation period (On Duration) and a sleep period (Opportunity for DRX). In the RRC connected mode, if the terminal device is configured with the DRX function, the terminal device can monitor and receive the PDCCH during the active period (Active Time); and not receive the PDCCH during the non-active time (Non Active Time) To reduce power consumption.
激活期的时长可以由DRX-激活期定时器(drx-onDurationTimer)和DRX的去激活定时器(drx-InactivityTimer)控制。其中，DRX-激活期定时器也称为DRX-激活阶段定时器。去激活定时器也称为非活动定时器。具体地，DRX-激活期定时器(drx-onDurationTimer)失效的时候，如果没有其他定时器在运行，则激活期结束。终端设备可以通过启动或重启drx-InactivityTimer延长激活期的时长。The duration of the activation period can be controlled by the DRX-onDuration Timer (drx-onDurationTimer) and the DRX inactivation timer (drx-InactivityTimer). Among them, the DRX-active period timer is also called the DRX-active period timer. The deactivation timer is also called the inactivity timer. Specifically, when the DRX-onDuration Timer (drx-onDurationTimer) fails, if no other timers are running, the active period ends. The terminal device can extend the duration of the activation period by starting or restarting the drx-InactivityTimer.
终端设备可以在收到PDCCH时启动drx-InactivityTimer，由此DRX激活期的时间会随着drx-onDurationTimer的启动而延长。当然，终端设备在接收到PDCCH且当前已启动drx-InactivityTimer时，也可以重新启动DRX-InactivityTimer。The terminal device can start the drx-InactivityTimer when receiving the PDCCH, so the time of the DRX activation period will be extended with the start of the drx-onDurationTimer. Of course, when the terminal device receives the PDCCH and has started the drx-InactivityTimer currently, it can also restart the DRX-InactivityTimer.
终端设备可以在drx-InactivityTimer超时后，进行DRX周期的切换，切换到周期较长的DRX周期，这样可以节省终端设备的功率消耗。The terminal device can switch the DRX cycle after the drx-InactivityTimer expires, and switch to the longer cycle DRX cycle, which can save the power consumption of the terminal device.
在通信***中，***可以根据不同的业务场景，给终端设备分别配置DRX短周期和/或DRX长周期。如果终端设备当前使用DRX短周期，表示终端设备从当前激活期进入下一个激活期的的时间间隔较短。如果终端设备当前使用DRX长周期，表示终端设备从当前激活期进入下一个激活期的时间间隔较长。In the communication system, the system can configure the DRX short cycle and/or the DRX long cycle for the terminal device according to different business scenarios. If the terminal device currently uses the DRX short cycle, it means that the time interval for the terminal device from the current activation period to the next activation period is relatively short. If the terminal device currently uses the DRX long period, it means that the time interval for the terminal device from the current activation period to the next activation period is longer.
比如在进行基于互联网协议(internet protocol，IP)的语音传输(voice over internet protocol，VOIP)业务时，语音编解码器通常20ms发送一个VOIP包，那么就可以配置长度为20ms的DRX短周期；而在语音通话期间较长的静默期，就可以配置DRX长周期。For example, when performing voice transmission (voice over internet protocol, VOIP) services based on Internet Protocol (IP), the voice codec usually sends a VOIP packet in 20ms, then a short DRX cycle of 20ms can be configured; and In the long silent period during the voice call, the DRX long period can be configured.
终端设备可以根据当前所处的DRX周期，确定启动drx-onDurationTimer的时间，具体如下：The terminal device can determine the time to start drx-onDurationTimer according to the current DRX cycle, as follows:
如果终端设备处于DRX短周期，则启动drx-onDurationTimer的时间需要满足：[(SFN×10)+subframe number]modulo(drx-ShortCycle)＝(drx-StartOffset)modulo(drx-ShortCycle)(公式1)，其中，modulo表示取模操作，SFN表示启动drx-onDurationTimer的帧号，subframe number表示启动drx-onDurationTimer的子帧号，drx-ShortCycle表示DRX短周期的周期时长，drx-StartOffset表示启动drx-onDurationTimer的子帧偏移量。If the terminal device is in the DRX short cycle, the time to start drx-onDurationTimer needs to meet: [(SFN×10)+subframe number]modulo(drx-ShortCycle)=(drx-StartOffset)modulo(drx-ShortCycle) (Formula 1) , Where modulo represents the modulo operation, SFN represents the frame number to start drx-onDurationTimer, subframe number represents the subframe number to start drx-onDurationTimer, drx-ShortCycle represents the cycle length of the DRX short cycle, drx-StartOffset represents the start drx-onDurationTimer The offset of the subframe.
如果终端设备处于DRX长周期，则启动drx-onDurationTimer的时间需要满足：[(SFN×10)+subframe number]modulo(drx-LongCycle)＝drx-StartOffset(公式2)，其中，modulo表示取模操作，SFN表示启动drx-onDurationTimer的帧号，subframe number表示启动drx-onDurationTimer的子帧号，drx-LongCycle表示DRX长周期的周期时长，drx-StartOffset表示子帧偏移量。If the terminal device is in the DRX long cycle, the time to start drx-onDurationTimer needs to meet: [(SFN×10)+subframe number]modulo(drx-LongCycle)=drx-StartOffset(Equation 2), where modulo represents modulo operation , SFN represents the frame number for starting drx-onDurationTimer, subframe number represents the subframe number for starting drx-onDurationTimer, drx-LongCycle represents the period length of the DRX long cycle, and drx-StartOffset represents the subframe offset.
在现有的机制中，DRX长周期是默认配置，DRX短周期是可选配置。网络设备可以仅向终端设备配置一个DRX长周期，而不配置DRX短周期；或者网络设备也可以同时向终端设备配置DRX长周期和DRX短周期。DRX长周期和DRX短周期是相对的，只要DRX长周期的周期时长大于DRX短周期的周期时长即可。In the existing mechanism, the DRX long cycle is the default configuration, and the DRX short cycle is an optional configuration. The network device can configure only one DRX long cycle to the terminal device without configuring the DRX short cycle; or the network device can also configure the DRX long cycle and the DRX short cycle to the terminal device at the same time. The DRX long cycle and the DRX short cycle are relative, as long as the cycle duration of the DRX long cycle is greater than the cycle duration of the DRX short cycle.
如果终端设备同时配置了DRX长周期和DRX短周期，终端设备可以在DRX长周期和DRX短周期之间进行切换，下面对具体的切换条件进行描述。If the terminal device is configured with both the DRX long cycle and the DRX short cycle, the terminal device can switch between the DRX long cycle and the DRX short cycle. The specific switching conditions are described below.
在现有的协议中，如果终端设备当前处于DRX长周期，则终端设备可以在drx-inactivityTimer超时后，或者在接收到网络设备发送的DRX MAC控制单元(control element，CE)后，切换到DRX短周期。如果终端设备当前处于DRX短周期，则终端设备可以在drx-ShortCycleTimer超时后，或者在接收到网络设备发送的long DRX command MAC CE后，切换到DRX长周期。In the existing protocol, if the terminal device is currently in the DRX long cycle, the terminal device can switch to DRX after the drx-inactivityTimer expires or after receiving the DRX MAC control element (CE) sent by the network device Short cycle. If the terminal device is currently in the DRX short cycle, the terminal device can switch to the DRX long cycle after the drx-ShortCycleTimer expires or after receiving the long DRX command MAC CE sent by the network device.
对于非授权频谱，网络设备想要向配置了DRX的终端设备发送数据时，需要在DRX周期的激活期发送数据，并且需要先对激活期的信道进行侦听，并在信道侦听成功的情况下，才能向终端设备发送下行数据。For unlicensed spectrum, when a network device wants to send data to a terminal device configured with DRX, it needs to send the data during the active period of the DRX cycle, and it needs to listen to the channel in the active period first, and the channel listens successfully. Then, the downlink data can be sent to the terminal device.
因此，如果终端设备在激活期没有接收到来自网络设备的下行传输，例如PDCCH调度，这会存在以下两种可能：Therefore, if the terminal device does not receive the downlink transmission from the network device during the activation period, such as PDCCH scheduling, there are two possibilities:
1、网络设备有数据给终端设备发送，但是网络设备没有抢占到信道。1. The network device has data to send to the terminal device, but the network device has not preempted the channel.
2、网络设备并没有数据给终端设备调度。2. The network equipment does not have data to dispatch to the terminal equipment.
在这种情况下，终端设备并不能区分是哪种情况导致的在DRX激活期没有接收到PDCCH调度。In this case, the terminal device cannot distinguish which situation caused the failure to receive the PDCCH scheduling during the DRX active period.
如果是第一种情况，网络设备只能在下一个DRX周期给终端设备调度数据，且前提是网络设备能够在下一个DRX周期的激活期抢占到信道。如果终端设备处于的DRX周期的时长较长，网络设备需要在很长时间后才有可能成功向终端设备发送数据，使得网络设备调度到终端设备所需的时间变长，终端设备不能及时地接收到网络设备发送的数据，这会影响网络设备的数据传输性能。In the first case, the network device can only schedule data to the terminal device in the next DRX cycle, and the premise is that the network device can preempt the channel during the activation period of the next DRX cycle. If the terminal device is in the DRX cycle for a long time, it will take a long time for the network device to successfully send data to the terminal device, which makes the time required for the network device to schedule the terminal device to become longer, and the terminal device cannot receive it in time Data sent to the network device, which will affect the data transmission performance of the network device.
而如果终端设备处于DRX长周期，终端设备想要切换到DRX短周期，只能是通过网络设备发送long DRX command MAC CE，或者是等到drx-InactivityTimer超时后，才能切换到DRX短周期。对于前一种手段，网络设备需要抢占到信道才能发送MAC CE。对于后一种手段，由于drx-InactivityTimer需要接收到网络设备发送的PDCCH调度后才能启动该定时器，因此这也意味着需要网络设备抢占到信道才能使用。综上，这两种手段在网络设备没有抢占到信道的情况下都不能使用。因此，需要设计一种新的方式，来更有效地切换DRX长周期和DRX短周期，以提高数据传输性能。If the terminal device is in the long DRX cycle and the terminal device wants to switch to the short DRX cycle, it can only switch to the short DRX cycle by sending a long DRX command MAC CE through the network device, or waiting until the drx-InactivityTimer expires. For the former method, the network device needs to preempt the channel to send MAC CE. For the latter method, since the drx-InactivityTimer needs to receive the PDCCH schedule sent by the network device to start the timer, this also means that the network device needs to preempt the channel to use it. In summary, these two methods cannot be used when the network device does not preempt the channel. Therefore, it is necessary to design a new way to switch between the long DRX cycle and the short DRX cycle more effectively to improve the data transmission performance.
本申请实施例提供一种非授权频谱上非连续接收的方法，能够提高数据的传输性能。The embodiment of the present application provides a method for discontinuous reception on an unlicensed spectrum, which can improve data transmission performance.
图3是本申请实施例提供的一种非授权频谱上非连续接收的方法的示意性流程图。该方法可以由终端设备来执行，该终端设备可以是图1中所示的终端设备。该方法包括步骤S310和S320。FIG. 3 is a schematic flowchart of a method for discontinuous reception on an unlicensed spectrum provided by an embodiment of the present application. The method may be executed by a terminal device, and the terminal device may be the terminal device shown in FIG. 1. The method includes steps S310 and S320.
S310、终端设备根据第一DRX周期启动第一定时器。S310. The terminal device starts a first timer according to the first DRX cycle.
第一DRX周期可以是DRX长周期或DRX短周期，本申请实施例对此不做具体限定。The first DRX cycle may be a long DRX cycle or a short DRX cycle, which is not specifically limited in the embodiment of the present application.
作为一个示例，网络设备可以给终端设备仅配置一个DRX周期，该第一DRX周期可以为该配置的DRX周期。其中，配置的该DRX周期可以为DRX长周期。或者，该第一DRX周期也可以是根据该配置的DRX周期确定的DRX周期，下文将会对此进行详细描述。As an example, the network device may configure only one DRX cycle for the terminal device, and the first DRX cycle may be the configured DRX cycle. Wherein, the configured DRX cycle may be a long DRX cycle. Alternatively, the first DRX cycle may also be a DRX cycle determined according to the configured DRX cycle, which will be described in detail below.
作为另一个示例，网络设备可以给终端设备配置多个DRX周期，该第一DRX周期可以为该多个DRX周期中的任意一个DRX周期。As another example, the network device may configure multiple DRX cycles for the terminal device, and the first DRX cycle may be any one of the multiple DRX cycles.
如果终端设备配置了多个DRX周期，本申请实施例可以将DRX周期最长的DRX周期称为DRX长周期，其余的称为DRX短周期。If the terminal device is configured with multiple DRX cycles, the embodiment of the present application may call the DRX cycle with the longest DRX cycle as the DRX long cycle, and the others as the DRX short cycle.
终端设备根据第一DRX周期启动第一定时器可以表示根据第一DRX周期的DRX参数启动第一定时器，第一定时器可以表示上文描述的drx-onDurationTimer。Starting the first timer according to the first DRX cycle by the terminal device may indicate starting the first timer according to the DRX parameters of the first DRX cycle, and the first timer may indicate the drx-onDurationTimer described above.
如果DRX周期确定，则启动第一定时器的时间可以根据上文描述的公式1或公式2来确定。例如，如果第一DRX周期为短周期，则启动第一定时器的时间可以根据公式1来确定；如果第一DRX周期为长周期，则启动第一定时器的时间可以根据公式2来确定。If the DRX cycle is determined, the time to start the first timer can be determined according to Formula 1 or Formula 2 described above. For example, if the first DRX cycle is a short cycle, the time to start the first timer can be determined according to Formula 1; if the first DRX cycle is a long cycle, the time to start the first timer can be determined according to Formula 2.
S320、如果在n个第一定时器的时长内没有检测到下行传输，则终端设备将第一DRX周期切换到第二DRX周期，其中，该第一DRX周期大于第二DRX周期。S320. If no downlink transmission is detected within the duration of the n first timers, the terminal device switches the first DRX cycle to the second DRX cycle, where the first DRX cycle is greater than the second DRX cycle.
如果终端设备当前处于第一DRX周期，则终端设备可以在第一定时器的时长内检测下行传输。If the terminal device is currently in the first DRX cycle, the terminal device can detect the downlink transmission within the duration of the first timer.
如果终端设备在第一定时器的时长内检测到下行传输，则终端设备可以按照现有的流程启动drx-Inactivitytimer，执行DRX周期的切换。If the terminal device detects the downlink transmission within the duration of the first timer, the terminal device can start the drx-Inactivitytimer according to the existing procedure to perform DRX cycle switching.
如果终端设备在第一定时器的时长内没有检测到下行传输，可以不需要等到接收到网络设备发送的DRX command MAC CE，或者drx-InactivityTimer超时后，才切换到第二DRX周期，而是可以直接进行DRX周期的切换，从第一DRX周期切换到第二DRX周期。If the terminal device does not detect the downlink transmission within the duration of the first timer, it does not need to wait until the DRX command MAC CE sent by the network device is received, or the drx-InactivityTimer expires before switching to the second DRX cycle. The DRX cycle is switched directly, from the first DRX cycle to the second DRX cycle.
终端设备在第一定时器的时长内没有检测到下行传输，可以指终端设备在一个第一定时器的时长内没有检测到下行传输，或者可以指终端设备在多个第一定时器的时长内没有检测到下行传输，或者还可以指终端设备在预设时长内没有检测到下行传输，该预设时长可以大于第一DRX周期的周期时长。The terminal device does not detect the downlink transmission within the duration of the first timer, which may mean that the terminal device does not detect the downlink transmission within the duration of one first timer, or it may mean that the terminal device is within the duration of multiple first timers The downlink transmission is not detected, or it may also mean that the terminal device does not detect the downlink transmission within a preset period of time, and the preset period of time may be greater than the period of the first DRX cycle.
终端设备在多个第一定时器的时长内没有检测到下行传输的情况下，再将第一DRX周期切换到第二DRX周期，这在一定程度上既能保证数据传输性能，也不会导致终端设备的功率消耗过大。When the terminal device does not detect the downlink transmission within the duration of multiple first timers, it switches the first DRX cycle to the second DRX cycle. This can guarantee the data transmission performance to a certain extent without causing The power consumption of the terminal device is too large.
终端设备切换到第二DRX周期后，可以按照第二DRX周期的drx-onDurationTimer对下行传输进行检测。网络设备也可以按照第二DRX周期的drx-onDurationTimer对信道进行侦听，并在信道侦听成功的情况下，向终端设备发送下行传输。其中，第二DRX周期的drx-onDurationTimer也可以与第一定时器是同一个定时器。After the terminal device switches to the second DRX cycle, it can detect the downlink transmission according to the drx-onDurationTimer of the second DRX cycle. The network device may also listen to the channel according to the drx-onDurationTimer of the second DRX cycle, and if the channel listening is successful, send a downlink transmission to the terminal device. Wherein, the drx-onDurationTimer of the second DRX cycle may also be the same timer as the first timer.
图4是本申请实施例提供的另一种非授权频谱上非连续接收的方法，该方法可以由网络设备来执行，该网络设备可以是图1中所示的网络设备。图4所示的方法与图3所示的方法对应，图4未描述的特征可以参照图3中相应特征的描述。该方法包括步骤S410～S430。FIG. 4 is another method for discontinuous reception on an unlicensed spectrum provided by an embodiment of the present application. The method may be executed by a network device, and the network device may be the network device shown in FIG. 1. The method shown in FIG. 4 corresponds to the method shown in FIG. 3, and for the features not described in FIG. 4, reference may be made to the description of the corresponding features in FIG. The method includes steps S410 to S430.
S410、在网络设备需要向终端设备发送下行传输的情况下，所述网络设备对非授权频谱上的信道进行检测。S410: When the network device needs to send a downlink transmission to the terminal device, the network device detects the channel on the unlicensed spectrum.
对于非授权频谱，如果网络设备想向终端设备发送下行传输，则网络设备需要先对非授权频谱上的信道进行检测，只有在信道检测成功的情况下，才能向终端设备发送下行传输。For unlicensed spectrum, if a network device wants to send a downlink transmission to a terminal device, the network device needs to detect the channel on the unlicensed spectrum first, and only when the channel detection succeeds, can it send a downlink transmission to the terminal device.
S420、如果所述网络设备在第一非连续发射DRX周期的n个第一定时器的时长内没有检测到可用信道，则所述网络设备将第一DRX周期切换到第二DRX周期，其中，所述第一DRX周期大于所述第二DRX周期，n为正整数。S420. If the network device does not detect an available channel within the duration of the n first timers of the first discontinuous transmission DRX cycle, the network device switches the first DRX cycle to the second DRX cycle, where, The first DRX cycle is greater than the second DRX cycle, and n is a positive integer.
对于配置了DRX的终端设备，终端设备只有在DRX周期的激活期才能够接收到网络设备发送的下行传输。因此，网络设备需要在DRX周期的激活期对信道进行检测，只有在激活期信道检测成功的 情况下，才可以向终端设备发送下行传输。For the terminal device configured with DRX, the terminal device can receive the downlink transmission sent by the network device only during the active period of the DRX cycle. Therefore, the network device needs to detect the channel during the active period of the DRX cycle, and only when the channel detection is successful in the active period, can it send a downlink transmission to the terminal device.
如果终端设备当前处于第一DRX周期，则网络设备可以在第一DRX周期的n个第一定时器的时长内对信道进行检测，并在n个第一定时器内均未检测到可用信道的情况下，将第一DRX周期切换到第二DRX周期。If the terminal device is currently in the first DRX cycle, the network device can detect the channel within the duration of n first timers in the first DRX cycle, and no available channel is detected in the n first timers. In this case, switch the first DRX cycle to the second DRX cycle.
该第一定时器可以是drx-onDurationTimer。The first timer may be drx-onDurationTimer.
S430、所述网络设备在所述第二DRX周期对所述信道进行检测。S430. The network device detects the channel in the second DRX cycle.
在将第一DRX周期切换到第二DRX周期后，网络设备可以在第二DRX周期的激活期继续对信道进行检测。After the first DRX cycle is switched to the second DRX cycle, the network device may continue to detect the channel during the active period of the second DRX cycle.
本申请实施例提供的技术方案，如果终端设备在第一DRX周期的第一定时器的时长内没有检测到任何下行传输，可以直接将第一DRX周期切换到第二DRX周期，第二DRX周期小于第一DRX周期。这样可以避免网络设备如果在第一定时器的时长内没有检测到可用信道，只能等到该第一DRX周期的下一个第一定时器才能对信道进行检测，导致数据传输性能下降的问题。本申请实施例的方案可以使得网络设备即使没有抢占到信道，终端设备也可以根据第一定时器时长内的检测结果，直接切换到周期较短的第二DRX周期，网络设备可以按照该第二DRX周期对信道进行检测，这样能够减小数据传输的时延，提高数据传输性能，有利于提高网络设备调度到终端设备的概率。According to the technical solution provided by the embodiments of this application, if the terminal device does not detect any downlink transmission within the duration of the first timer of the first DRX cycle, it can directly switch the first DRX cycle to the second DRX cycle. Less than the first DRX cycle. This can avoid the problem that if the network device does not detect an available channel within the duration of the first timer, it can only wait until the next first timer of the first DRX cycle to detect the channel, which causes the problem of data transmission performance degradation. The solution of the embodiment of the present application can enable the terminal device to directly switch to the second DRX cycle with a shorter period according to the detection result within the first timer duration even if the network device does not preempt the channel, and the network device can follow the second DRX cycle. The DRX periodically detects the channel, which can reduce the time delay of data transmission, improve data transmission performance, and help improve the probability of network equipment dispatching to terminal equipment.
以下描述的内容对终端设备和网络设备同样适用。The content described below is equally applicable to terminal equipment and network equipment.
本申请实施例中的下行传输可以包括下行信号和/或下行信道。该下行信号和/或下行信道可以包括以下中的至少一种：物理下行控制信道(physical downlink control channel，PDCCH)，下行半永久性调度(semi-persistent scheduling，SPS)传输，下行参考信号，下行参考信号序列。该下行参考信号序列例如可以包括下行解调参考信号(demodulation reference signal，DMRS)序列，其他序列等。The downlink transmission in the embodiment of the present application may include a downlink signal and/or a downlink channel. The downlink signal and/or downlink channel may include at least one of the following: physical downlink control channel (PDCCH), downlink semi-persistent scheduling (SPS) transmission, downlink reference signal, downlink reference Signal sequence. The downlink reference signal sequence may include, for example, a downlink demodulation reference signal (demodulation reference signal, DMRS) sequence, other sequences, and the like.
终端设备检测下行信道可以表示检测下行信道上的数据或信号。以下行信道为PDCCH为例，终端设备检测PDCCH，可以表示终端设备检测网络设备在PDCCH上发送的数据或其他下行信号等。The terminal equipment detecting the downlink channel may mean detecting data or signals on the downlink channel. As an example, the downstream channel is PDCCH. The terminal device detects the PDCCH, which may mean that the terminal device detects data or other downlink signals sent by the network device on the PDCCH.
该第一DRX周期和第二DRX周期均是网络设备配置的DRX周期。例如，网络设备可以向终端设备发送第一DRX配置消息，该第一DRX配置消息中可以包括至少两个DRX周期，该至少两个DRX周期包括第一DRX周期和第二DRX周期。Both the first DRX cycle and the second DRX cycle are DRX cycles configured by the network device. For example, the network device may send a first DRX configuration message to the terminal device, and the first DRX configuration message may include at least two DRX cycles, and the at least two DRX cycles include the first DRX cycle and the second DRX cycle.
网络设备向终端设备发送的DRX配置消息中可以包括以下信息中的至少一种：DRX周期的周期时长，drx-onDurationTimer，drx-onDurationTimer的子帧偏移量，drx-InactivityTimer，drx-shortCycleTimer，以及drx-longCycleTimer等。The DRX configuration message sent by the network device to the terminal device may include at least one of the following information: cycle duration of the DRX cycle, drx-onDurationTimer, drx-onDurationTimer subframe offset, drx-InactivityTimer, drx-shortCycleTimer, and drx-longCycleTimer etc.
如果网络设备给终端设备配置了至少两个DRX周期，本申请实施例对第一DRX周期和第二DRX周期的选择不做具体限定。If the network device configures at least two DRX cycles for the terminal device, the embodiment of the application does not specifically limit the selection of the first DRX cycle and the second DRX cycle.
作为一个示例，该第一DRX周期可以是该至少两个DRX周期中的任意一个DRX周期，该第二DRX周期为至少两个DRX周期中周期时长小于第一DRX周期的任意一个DRX周期。As an example, the first DRX cycle may be any one of the at least two DRX cycles, and the second DRX cycle is any one of the at least two DRX cycles whose cycle duration is shorter than the first DRX cycle.
作为又一示例，网络设备还可以给终端设备配置该至少两个DRX周期的切换顺序，该第一DRX周期和第二DRX周期是该切换顺序中相邻的两个DRX周期。As another example, the network device may also configure a switching sequence of the at least two DRX cycles for the terminal device, and the first DRX cycle and the second DRX cycle are two adjacent DRX cycles in the switching sequence.
该至少两个DRX周期的切换顺序是根据该至少两个DRX周期的周期时长确定的。例如，该至少两个DRX周期的切换顺序可以是按照从大到小，或者从小到大的周期时长的顺序排列的。The switching sequence of the at least two DRX cycles is determined according to the cycle duration of the at least two DRX cycles. For example, the switching sequence of the at least two DRX cycles may be arranged in the order of the period duration from large to small or from small to large.
在该情况下，第二DRX周期是至少两个DRX周期中周期时长仅次于第一DRX周期的DRX周期。In this case, the second DRX cycle is a DRX cycle whose cycle duration is second only to the first DRX cycle among at least two DRX cycles.
可选地，第一DRX周期可以为至少两个DRX周期中的周期时长最长的DRX周期。也就是说，终端设备当前处于DRX长周期，终端设备如果在n个第一定时器的时长内没有检测到下行传输，可以自动切换到DRX短周期，以使得网络设备能够及时地对终端设备实现调度。Optionally, the first DRX cycle may be the DRX cycle with the longest cycle duration among the at least two DRX cycles. That is to say, the terminal device is currently in the DRX long cycle. If the terminal device does not detect the downlink transmission within the duration of n first timers, it can automatically switch to the DRX short cycle, so that the network device can implement the terminal device in time Scheduling.
第一DRX周期为网络设备配置的DRX周期，第二DRX周期是根据第一DRX周期确定的DRX周期。例如，网络设备可以向终端设备发送第二DRX配置消息，该第二DRX配置消息中包括第一DRX周期；终端设备可以根据第一DRX周期，确定第二DRX周期。The first DRX cycle is a DRX cycle configured by the network device, and the second DRX cycle is a DRX cycle determined according to the first DRX cycle. For example, the network device may send a second DRX configuration message to the terminal device, where the second DRX configuration message includes the first DRX cycle; the terminal device may determine the second DRX cycle according to the first DRX cycle.
终端设备根据第一DRX周期确定第二DRX周期可以指，终端设备根据第一DRX周期，确定第二DRX周期的周期时长和/或激活期的时长。The terminal device determining the second DRX cycle according to the first DRX cycle may mean that the terminal device determines the cycle duration and/or the duration of the activation period of the second DRX cycle according to the first DRX cycle.
作为一种实现方式，第二DRX周期的周期时长可以是在第一DRX周期的周期时长的基础上按照第一缩小规则得到的。该第一缩小规则可以是指缩小比例或者是缩小的子帧数量。例如，第二DRX周期的周期时长可以是在第一DRX周期的周期时长的基础上缩小一定的比例得到的，或者第二DRX周期的周期时长可以是在第一DRX周期的基础上减小一定的子帧数量得到的。As an implementation manner, the period duration of the second DRX cycle may be obtained according to the first reduction rule on the basis of the period duration of the first DRX cycle. The first reduction rule may refer to a reduction ratio or the number of subframes to be reduced. For example, the period duration of the second DRX cycle may be reduced by a certain ratio on the basis of the period duration of the first DRX cycle, or the period duration of the second DRX cycle may be reduced by a certain percentage on the basis of the first DRX cycle. The number of subframes.
举例说明，第一缩小规则可以包括缩小比例为1/2，则第二DRX周期的周期时长为第一DRX周期的周期时长的一半。当然，第一缩小规则还可以是包括其他的缩小比例，例如1/3，2/3等。For example, the first reduction rule may include that the reduction ratio is 1/2, and the cycle duration of the second DRX cycle is half of the cycle duration of the first DRX cycle. Of course, the first reduction rule may also include other reduction ratios, such as 1/3, 2/3, etc.
又如，第一缩小规则可以包括减小的子帧数量。第二DRX周期的周期时长是在第一DRX周期的 周期时长的基础上减小m个子帧得到的，m为正整数。As another example, the first reduction rule may include a reduced number of subframes. The cycle duration of the second DRX cycle is obtained by reducing m subframes on the basis of the cycle duration of the first DRX cycle, and m is a positive integer.
本申请实施例对第二DRX周期的drx-onDurationTimer的时长不做具体限定。The embodiment of the present application does not specifically limit the duration of the drx-onDurationTimer of the second DRX cycle.
例如，第二DRX周期对应的drx-onDurationTimer的时长可以与第一DRX周期对应的drx-onDurationTimer的时长相等，也就是说，本申请实施例可以仅将第二DRX周期的周期时长缩短，而第二DRX周期对应的drx-onDurationTimer的时长可以沿用第一DRX周期对应的drx-onDurationTimer的时长。For example, the duration of the drx-onDurationTimer corresponding to the second DRX cycle may be equal to the duration of the drx-onDurationTimer corresponding to the first DRX cycle. That is to say, the embodiment of the present application may only shorten the cycle duration of the second DRX cycle, and the first DRX cycle The duration of the drx-onDurationTimer corresponding to the second DRX cycle may be the duration of the drx-onDurationTimer corresponding to the first DRX cycle.
又例如，第二DRX周期对应的drx-onDurationTimer的时长可以是在第一DRX周期对应的drx-onDurationTimer的时长的基础上按照第二缩小规则得到的。该第二缩小规则与第一缩小规则类似，可以是指缩小比例，也可以指缩小的子帧数量。如该第二缩小规则包括缩小比例为1/2，该第二DRX周期对应的drx-onDurationTimer的时长为第一DRX周期对应的drx-onDurationTimer的时长的一半。For another example, the duration of the drx-onDurationTimer corresponding to the second DRX cycle may be obtained according to the second reduction rule on the basis of the duration of the drx-onDurationTimer corresponding to the first DRX cycle. The second reduction rule is similar to the first reduction rule, and may refer to the reduction ratio or the number of subframes to be reduced. If the second reduction rule includes a reduction ratio of 1/2, the duration of the drx-onDurationTimer corresponding to the second DRX cycle is half of the duration of the drx-onDurationTimer corresponding to the first DRX cycle.
终端设备在切换到第二DRX周期后，可以在第二DRX周期的drx-onDurationTimer期间继续对下行传输进行检测。这存在两种情况，一是在第二DRX周期检测到下行传输，二是在第二DRX周期没有检测到下行传输。After the terminal device switches to the second DRX cycle, it can continue to detect the downlink transmission during the drx-onDurationTimer of the second DRX cycle. There are two situations, one is that downlink transmission is detected in the second DRX cycle, and the other is that no downlink transmission is detected in the second DRX cycle.
如果终端设备在第二DRX周期内检测到下行传输，可以保持在该第二DRX周期上，同时终端设备可以按照现有的切换条件进行DRX周期的切换。例如，终端设备可以根据网络设备发送的指示信息，将第二DRX周期切换到第一目标DRX周期，该指示信息例如可以为long DRX command MAC CE。又例如，终端设备可以在接收到下行传输的情况下，启动第二定时器，并在第二定时器超时后，将第二DRX周期切换到第一目标DRX周期，该第二定时器例如可以为drx-inactivityTimer。终端设备可以在drx-InactivityTimer超时后，切换到第一目标DRX周期。If the terminal device detects the downlink transmission in the second DRX cycle, it can remain on the second DRX cycle, and the terminal device can switch the DRX cycle according to the existing switching conditions. For example, the terminal device may switch the second DRX cycle to the first target DRX cycle according to the instruction information sent by the network device. The instruction information may be, for example, long DRX command MAC CE. For another example, the terminal device may start a second timer when receiving a downlink transmission, and switch the second DRX cycle to the first target DRX cycle after the second timer expires. The second timer may, for example, It is drx-inactivityTimer. The terminal device may switch to the first target DRX cycle after the drx-InactivityTimer expires.
该第一目标DRX周期的周期时长可以大于第二DRX周期，该以第一目标DRX周期例如可以为第一DRX周期，这样终端设备可以间隔较长的时间再去检测下行传输，能够节省终端设备的电量。The period of the first target DRX cycle may be longer than the second DRX cycle, and the first target DRX cycle may be, for example, the first DRX cycle, so that the terminal device can detect the downlink transmission at a longer interval, which can save terminal equipment Power.
可选地，终端设备也可以在切换到第二DRX周期后，启动第三定时器，该第三定时器可用于确定终端设备在第二DRX周期的停留时长。该第三定时器例如可以为drx-ShortCycleTimer。终端设备可以在drx-ShortCycleTimer超时后，切换到第二目标DRX周期，该第二目标DRX周期的周期时长大于第二DRX周期的周期时长，该第二目标DRX周期可以为DRX长周期，也可以为其他DRX短周期。Optionally, the terminal device may also start a third timer after switching to the second DRX cycle, and the third timer may be used to determine the length of stay of the terminal device in the second DRX cycle. The third timer may be drx-ShortCycleTimer, for example. The terminal device may switch to the second target DRX cycle after the drx-ShortCycleTimer expires, the cycle duration of the second target DRX cycle is greater than the cycle duration of the second DRX cycle, and the second target DRX cycle may be a long DRX cycle or For other DRX short cycles.
可选地，在非授权频谱下的drx-ShortCycleTimer可以与授权频谱下的drx-short cycle timer不相同，对于同时支持授权频谱和非授权频谱的终端设备，可以为该终端设备配置两个drx-ShortCycleTimer，一个用于在非授权频谱下的DRX周期切换，另一个用于在授权频谱下的DRX周期切换。Optionally, the drx-ShortCycleTimer under the unlicensed spectrum may be different from the drx-short cycle timer under the licensed spectrum. For a terminal device that supports both licensed spectrum and unlicensed spectrum, two drx-cycle timers can be configured for the terminal device. ShortCycleTimer, one is used for DRX cycle switching under unlicensed spectrum, and the other is used for DRX cycle switching under licensed spectrum.
当然，终端设备也可以仅配置一个drx-ShortCycleTimer，在授权频谱和非授权频谱使用相同的drx-ShortCycleTimer。Of course, the terminal device can also configure only one drx-ShortCycleTimer, and use the same drx-ShortCycleTimer in the licensed spectrum and the unlicensed spectrum.
下面结合图5和图6，对终端设备的DRX周期的切换过程进行详细描述。The following describes in detail the switching process of the DRX cycle of the terminal device with reference to FIG. 5 and FIG. 6.
如图5所示，以第一DRX周期为DRX长周期，第二DRX周期为DRX短周期为例，假设终端设备当前处于第一DRX周期，终端设备可以按照公式2的规定启动drx-onDurationTimer，并在drx-onDurationTimer内对下行传输进行检测。如果终端设备在n1个第一DRX周期的drx-onDurationTimer的时长内没有检测到任何下行传输，则终端设备可以切换到第二DRX周期，n1为正整数。As shown in Figure 5, taking the first DRX cycle as the DRX long cycle and the second DRX cycle as the DRX short cycle as an example, assuming that the terminal device is currently in the first DRX cycle, the terminal device can start drx-onDurationTimer according to formula 2. And detect the downlink transmission in drx-onDurationTimer. If the terminal device does not detect any downlink transmission within the duration of n1 drx-onDurationTimer of the first DRX cycle, the terminal device can switch to the second DRX cycle, and n1 is a positive integer.
终端设备切换到第二DRX周期后，可以根据第二DRX周期的配置，按照公式1的规定启动第二DRX周期的drx-onDurationTimer，并在第二DRX周期的drx-onDurationTimer的时长内检测下行信号。可选地，与此同时，终端设备还可以启动一个drx-ShortCycleTimer。该drx-ShortCycleTimer的启动触发条件是在DRX周期的切换，该drx-ShortCycleTimer可以与授权频谱的drx-ShortCycleTimer相同，也可以不同。当然，该drx-ShortCycleTimer的启动触发条件还可以兼容现有的协议，如可以在drx-InactivityTimer超时后，或者在接收到网络设备发送的Command MAC CE后，启动该drx-ShortCycleTimer。After the terminal device switches to the second DRX cycle, it can start the drx-onDurationTimer of the second DRX cycle according to formula 1 according to the configuration of the second DRX cycle, and detect the downlink signal within the duration of the drx-onDurationTimer of the second DRX cycle . Optionally, at the same time, the terminal device can also start a drx-ShortCycleTimer. The start trigger condition of the drx-ShortCycleTimer is the switching of the DRX cycle, and the drx-ShortCycleTimer may be the same as or different from the drx-ShortCycleTimer of the licensed spectrum. Of course, the start trigger condition of the drx-ShortCycleTimer can also be compatible with existing protocols. For example, the drx-ShortCycleTimer can be started after the drx-InactivityTimer expires or after receiving the Command MAC CE sent by the network device.
终端设备在切换到第二DRX周期后，可以在n2个第二DRX周期的drx-onDurationTimer内检测下行传输，n2为正整数，n2与n1可以相等，也可以不等。After the terminal device switches to the second DRX cycle, it can detect the downlink transmission in the drx-onDurationTimer of n2 second DRX cycles, where n2 is a positive integer, and n2 and n1 may be equal or different.
如果drx-ShortCycleTimer超时，则终端设备可以切换到第一DRX周期。If the drx-ShortCycleTimer times out, the terminal device can switch to the first DRX cycle.
如果终端设备在第二DRX周期检测到下行传输，则终端设备可以保持在该第二DRX周期上。If the terminal device detects downlink transmission in the second DRX cycle, the terminal device can remain on the second DRX cycle.
图6是本申请实施例的另一种切换方式，终端设备可以在多个DRX周期上进行切换。其中，第一DRX周期、第二DRX周期、第三DRX周期的时长依次减小。Fig. 6 is another handover method according to the embodiment of the present application. The terminal device can switch on multiple DRX cycles. Among them, the durations of the first DRX cycle, the second DRX cycle, and the third DRX cycle decrease sequentially.
终端设备从第一DRX周期切换到第二DRX周期的切换过程与图5所示的方法类似，此处不再重复。The switching process of the terminal device from the first DRX cycle to the second DRX cycle is similar to the method shown in FIG. 5, and will not be repeated here.
如果终端设备在n2个drx-onDurationTimer内没有检测到任何下行传输，则终端设备可以将第二DRX周期切换到第三DRX周期，其中，第三DRX周期小于第二DRX周期。If the terminal device does not detect any downlink transmission within n2 drx-onDurationTimer, the terminal device can switch the second DRX cycle to the third DRX cycle, where the third DRX cycle is smaller than the second DRX cycle.
第二DRX周期和第三DRX周期可以是网络设备配置的，也可以是根据第一DRX周期确定的。The second DRX cycle and the third DRX cycle may be configured by the network device, or may be determined according to the first DRX cycle.
如果网络设备向终端设备配置了多个DRX周期，其中，第一DRX周期、第二DRX周期和第三DRX周期均属于该多个DRX周期。终端设备在切换过程中，可以重复上述步骤，直到切换到该多个DRX周期中的最后一个DRX周期。如果第三DRX周期为多个DRX周期中的最后一个DRX周期，则终端设备可以在切换到第三DRX周期后，保持在该第三DRX周期上。If the network device configures multiple DRX cycles to the terminal device, the first DRX cycle, the second DRX cycle, and the third DRX cycle all belong to the multiple DRX cycles. During the handover process, the terminal device may repeat the above steps until handover to the last DRX cycle of the multiple DRX cycles. If the third DRX cycle is the last DRX cycle among the multiple DRX cycles, the terminal device may remain on the third DRX cycle after switching to the third DRX cycle.
第二DRX周期和第三DRX周期可以是终端设备根据第一DRX周期自行确定的，如终端设备可以将第一DRX周期按照一定的缩小比例和/或缩小次数得到的。假设第二DRX周期是在第一DRX周期的基础上按照缩小一半的规则得到的，则终端设备可以将第一DRX周期的周期时长缩小一半后得到第二DRX周期的周期时长。第三DRX周期可以是在第一DRX周期的基础上缩小两次得到的。此外，本申请实施例还可以规定缩放次数，终端设备的切换过程可以重复上述步骤，直到达到该缩放次数。如果第三DRX周期为最后一次缩放得到的，则终端设备可以保持在该第三DRX周期上。The second DRX cycle and the third DRX cycle may be determined by the terminal device according to the first DRX cycle. For example, the terminal device may obtain the first DRX cycle according to a certain reduction ratio and/or reduction times. Assuming that the second DRX cycle is obtained on the basis of the first DRX cycle according to the rule of reducing by half, the terminal device may reduce the cycle duration of the first DRX cycle by half to obtain the cycle duration of the second DRX cycle. The third DRX cycle may be reduced twice on the basis of the first DRX cycle. In addition, the embodiment of the present application may also specify the number of zooms, and the switching process of the terminal device may repeat the above steps until the number of zooms is reached. If the third DRX cycle is obtained by the last scaling, the terminal device can remain on the third DRX cycle.
上述缩放比例和/或缩放次数可以是由网络设备配置的，或者是协议中规定的。The aforementioned scaling ratio and/or scaling times may be configured by the network device or specified in the protocol.
如果终端设备在某个DRX周期的drx-onDurationTimer内检测到下行传输，则终端设备可以保持在该DRX周期。与此同时，终端设备还可以启动一个drx-InactvivtyTimer，以延长终端设备在激活期的时长。也就是说，本申请实施例不论终端设备检测到的下行传输是否为PDCCH，例如终端设备接收到的下行传输为指示信道占用信息时，也可以启动drx-InactvivtyTimer，以延长DRX活动时间(Active Time)，使得网络设备也可以在延长之后的时间内对终端设备进行调度，以提高网络设备调度到终端设备的概率。If the terminal device detects downlink transmission in the drx-onDurationTimer of a certain DRX cycle, the terminal device can remain in the DRX cycle. At the same time, the terminal device can also start a drx-InactvivtyTimer to extend the duration of the terminal device in the activation period. That is to say, regardless of whether the downlink transmission detected by the terminal device is a PDCCH in the embodiment of the present application, for example, when the downlink transmission received by the terminal device indicates channel occupancy information, it can also start drx-InactvivtyTimer to extend the DRX active time (Active Time). ), so that the network device can also schedule the terminal device within the extended time, so as to improve the probability of the network device being scheduled to the terminal device.
或者，终端设备接收到下行传输，也意味着网络设备信道侦听成功，因此终端设备还根据网络设备发送的指示信息，进行DRX周期的切换。Or, the terminal device receives the downlink transmission, which also means that the network device channel interception is successful, so the terminal device also switches the DRX cycle according to the instruction information sent by the network device.
在该drx-ShortCycleTimer超时后，终端设备可以切换到网络设备配置的任何一个DRX周期上，切换的DRX周期可以不是DRX长周期。After the drx-ShortCycleTimer expires, the terminal device can switch to any DRX cycle configured by the network device, and the switched DRX cycle may not be a long DRX cycle.
当然，该切换的DRX周期也可以是网络设备指示的。终端设备可以接收网络设备发送的指示信息，该指示信息用于指示切换到哪一个DRX周期。Of course, the DRX cycle of the handover may also be indicated by the network device. The terminal device may receive instruction information sent by the network device, where the instruction information is used to indicate which DRX cycle to switch to.
在网络设备配置了多个DRX周期的情况下，网络设备还可以进一步规定该多个DRX周期的切换顺序(或称优先级)，终端设备可以按照该多个DRX周期的切换顺序进行切换。该多个DRX周期的切换顺序可以是按照该多个DRX周期的周期时长确定的。例如按照从大到小的周期时长来确定该多个DRX周期的切换顺序，这样如果终端设备未能检测到下行传输，则可以不断地减小DRX周期，能够保证数据传输的时延要求，有利于提高网络设备调度到终端设备的概率。In the case where the network device is configured with multiple DRX cycles, the network device may further specify the switching sequence (or priority) of the multiple DRX cycles, and the terminal device may switch according to the switching sequence of the multiple DRX cycles. The switching sequence of the multiple DRX cycles may be determined according to the cycle duration of the multiple DRX cycles. For example, the switching sequence of the multiple DRX cycles is determined according to the cycle length from large to small, so that if the terminal device fails to detect the downlink transmission, the DRX cycle can be continuously reduced to ensure the delay requirements of data transmission. It is helpful to improve the probability of network equipment dispatching to terminal equipment.
上文详细描述了本申请实施例提供的非授权频谱上非连续接收的方法，下面结合图7-图11，详细描述本申请实施例的装置，装置实施例与方法实施例相互对应，因此未详细描述的部分可以参见前面各方法实施例。The foregoing describes in detail the method for discontinuous reception on the unlicensed spectrum provided by the embodiments of this application. The following describes in detail the device in the embodiment of this application with reference to Figures 7-11. The device embodiment and the method embodiment correspond to each other. For the detailed description, please refer to the previous method embodiments.
图7是本申请实施例提供的一种终端设备700的示意性框图。图7所示的终端设备可以指方法实施例中的终端设备。该终端设备700包括处理单元710。FIG. 7 is a schematic block diagram of a terminal device 700 according to an embodiment of the present application. The terminal device shown in FIG. 7 may refer to the terminal device in the method embodiment. The terminal device 700 includes a processing unit 710.
处理单元710用于执行以下操作：根据第一非连续接收DRX周期启动第一定时器；如果在n个所述第一定时器的时长内没有检测到下行传输，则将所述第一DRX周期切换到第二DRX周期，其中，所述第一DRX周期大于所述第二DRX周期，n为正整数。The processing unit 710 is configured to perform the following operations: start a first timer according to the first discontinuous reception DRX cycle; if no downlink transmission is detected within the duration of the n first timers, then the first DRX cycle Switch to the second DRX cycle, where the first DRX cycle is greater than the second DRX cycle, and n is a positive integer.
本申请实施例提供的技术方案，如果终端设备在第一DRX周期的第一定时器的时长内没有检测到任何下行传输，可以直接将第一DRX周期切换到第二DRX周期，第二DRX周期小于第一DRX周期。这样可以避免网络设备如果在第一定时器的时长内没有检测到可用信道，只能等到该第一DRX周期的下一个第一定时器才能对信道进行检测，导致数据传输性能下降的问题。本申请实施例的方案可以使得网络设备即使没有抢占到信道，终端设备也可以根据第一定时器时长内的检测结果，直接切换到周期较短的第二DRX周期，网络设备可以按照该第二DRX周期对信道进行检测，这样能够减小数据传输的时延，提高数据传输性能，有利于提高网络设备调度到终端设备的概率。According to the technical solution provided by the embodiments of this application, if the terminal device does not detect any downlink transmission within the duration of the first timer of the first DRX cycle, it can directly switch the first DRX cycle to the second DRX cycle. Less than the first DRX cycle. This can avoid the problem that if the network device does not detect an available channel within the duration of the first timer, it can only wait until the next first timer of the first DRX cycle to detect the channel, which causes the problem of data transmission performance degradation. The solution of the embodiment of the present application can enable the terminal device to directly switch to the second DRX cycle with a shorter period according to the detection result within the first timer duration even if the network device does not preempt the channel, and the network device can follow the second DRX cycle. The DRX periodically detects the channel, which can reduce the time delay of data transmission, improve data transmission performance, and help improve the probability of network equipment dispatching to terminal equipment.
可选地，所述终端设备700还包括通信单元720，所述通信单元720用于接收网络设备发送的第一DRX配置消息，所述第一DRX配置消息中包括至少两个DRX周期，所述至少两个DRX周期包括所述第一DRX周期和所述第二DRX周期。Optionally, the terminal device 700 further includes a communication unit 720 configured to receive a first DRX configuration message sent by a network device, and the first DRX configuration message includes at least two DRX cycles. The at least two DRX cycles include the first DRX cycle and the second DRX cycle.
可选地，所述通信单元720用于接收所述网络设备发送的所述至少两个DRX周期的切换顺序，所述第一DRX周期和所述第二DRX周期是所述切换顺序中相邻的两个DRX周期。Optionally, the communication unit 720 is configured to receive the switching sequence of the at least two DRX cycles sent by the network device, and the first DRX cycle and the second DRX cycle are adjacent in the switching sequence. The two DRX cycles.
可选地，所述至少两个DRX周期的切换顺序是根据所述至少两个DRX周期的周期时长确定的。Optionally, the switching sequence of the at least two DRX cycles is determined according to the cycle duration of the at least two DRX cycles.
可选地，所述第一DRX周期为所述至少两个DRX周期中的周期时长最长的DRX周期。Optionally, the first DRX cycle is the DRX cycle with the longest cycle duration among the at least two DRX cycles.
可选地，所述终端设备700还包括通信单元720，所述通信单元720用于接收网络设备发送的第二DRX配置消息，所述第二DRX配置消息中包括所述第一DRX周期；所述处理单元用于根据所述第一 DRX周期，确定所述第二DRX周期。Optionally, the terminal device 700 further includes a communication unit 720 configured to receive a second DRX configuration message sent by a network device, and the second DRX configuration message includes the first DRX cycle; The processing unit is configured to determine the second DRX cycle according to the first DRX cycle.
可选地，所述处理单元710用于：根据所述第一DRX周期，确定所述第二DRX周期的周期时长和/或激活期时长。Optionally, the processing unit 710 is configured to determine the period duration and/or the activation period duration of the second DRX cycle according to the first DRX cycle.
可选地，所述第二DRX周期的周期时长是在所述第一DRX周期的周期时长的基础上按照第一缩小规则得到的，和/或，所述第二DRX周期的激活期时长是在所述第一DRX周期的激活期时长的基础上按照第二缩小规则得到的。Optionally, the period duration of the second DRX cycle is obtained according to the first reduction rule on the basis of the period duration of the first DRX cycle, and/or, the activation period duration of the second DRX cycle is Obtained according to the second reduction rule on the basis of the duration of the activation period of the first DRX cycle.
可选地，所述第一缩小规则和所述第二缩小规则均包括缩小比例和/或缩小次数。Optionally, both the first reduction rule and the second reduction rule include a reduction ratio and/or a number of reductions.
可选地，所述第一缩小规则和/或所述第二缩小规则是所述网络设备配置的，或者是协议规定的。Optionally, the first reduction rule and/or the second reduction rule are configured by the network device or specified by a protocol.
可选地，所述第二DRX周期的周期时长为所述第一DRX周期的周期时长的一半，和/或，所述第二DRX周期的激活期时长为所述第一DRX周期的激活期时长的一半。Optionally, the period duration of the second DRX cycle is half of the period duration of the first DRX cycle, and/or the activation period duration of the second DRX cycle is the activation period of the first DRX cycle Half the duration.
可选地，所述处理单元710用于如果在所述第二DRX周期检测到所述下行传输，则根据网络设备发送的指示信息，将所述第二DRX周期切换到目标DRX周期；或者，如果在所述第二DRX周期内检测所述下行传输，则启动第二定时器；在所述第二定时器超时后，将所述第二DRX周期切换到所述目标DRX周期。Optionally, the processing unit 710 is configured to, if the downlink transmission is detected in the second DRX cycle, switch the second DRX cycle to the target DRX cycle according to the instruction information sent by the network device; or, If the downlink transmission is detected in the second DRX cycle, start a second timer; after the second timer expires, switch the second DRX cycle to the target DRX cycle.
可选地，所述目标DRX周期大于所述第二DRX周期。Optionally, the target DRX cycle is greater than the second DRX cycle.
可选地，所述目标DRX周期为所述第一DRX周期。Optionally, the target DRX cycle is the first DRX cycle.
可选地，所述处理单元710用于在将所述第一DRX周期切换到所述第二DRX周期的情况下，根据所述第二DRX周期，启动第三定时器，所述第三定时器用于确定所述终端设备在所述第二DRX周期的停留时长。Optionally, the processing unit 710 is configured to start a third timer according to the second DRX cycle when the first DRX cycle is switched to the second DRX cycle, and the third timing The device is used to determine the length of stay of the terminal device in the second DRX cycle.
可选地，所述下行传输包括下行信号和/或下行信道，所述下行信号和/或下行信道包括以下中的至少一种：物理下行控制信道、下行半永久性调度传输、下行参考信号、下行参考信号序列。Optionally, the downlink transmission includes a downlink signal and/or a downlink channel, and the downlink signal and/or a downlink channel includes at least one of the following: a physical downlink control channel, a downlink semi-permanent scheduled transmission, a downlink reference signal, a downlink Reference signal sequence.
可选地，所述下行参考信号序列包括解调参考信号DMRS序列。Optionally, the downlink reference signal sequence includes a demodulation reference signal DMRS sequence.
应理解，该终端设备700可以执行上述方法中由终端设备执行的相应操作，为了简洁，在此不再赘述。It should be understood that the terminal device 700 can perform the corresponding operations performed by the terminal device in the foregoing method, and for the sake of brevity, details are not described herein again.
图8是本申请实施例提供的网络设备800的示意性框图。图8所示的网络设备可以指方法实施例中的网络设备。该网络设备800包括处理单元810。FIG. 8 is a schematic block diagram of a network device 800 provided by an embodiment of the present application. The network device shown in FIG. 8 may refer to the network device in the method embodiment. The network device 800 includes a processing unit 810.
处理单元810可用于执行以下操作：在需要向终端设备发送下行传输的情况下，对非授权频谱上的信道进行检测；如果在第一非连续发射DRX周期的n个第一定时器的时长内没有检测到可用信道，则将第一DRX周期切换到第二DRX周期，其中，所述第一DRX周期大于所述第二DRX周期，n为正整数；在所述第二DRX周期对所述信道进行检测。The processing unit 810 may be configured to perform the following operations: in the case of the need to send a downlink transmission to the terminal device, detect the channel on the unlicensed spectrum; if it is within the duration of n first timers of the first discontinuous transmission DRX cycle If no available channel is detected, the first DRX cycle is switched to the second DRX cycle, where the first DRX cycle is greater than the second DRX cycle, and n is a positive integer; in the second DRX cycle, the The channel is tested.
本申请实施例提供的技术方案，如果网络设备有下行传输需要向终端部发送时，且在第一定时器的时长内没有检测到可用信道，则网络设备可以将第一DRX周期切换到第二DRX周期，在第二DRX周期上对信道进行检测。这样可以减小进行信道检测的时间间隔，有利于提高网络设备调度到终端设备的概率，提高数据传输性能。According to the technical solution provided by the embodiments of this application, if the network device has downlink transmissions that need to be sent to the terminal unit, and no available channel is detected within the duration of the first timer, the network device can switch the first DRX cycle to the second In the DRX cycle, the channel is detected in the second DRX cycle. This can reduce the time interval for channel detection, which is beneficial to increase the probability of network equipment scheduling to terminal equipment, and improve data transmission performance.
可选地，所述网络设备800还包括通信单元820，用于向所述终端设备发送第一DRX配置消息，所述第一DRX配置消息中包括至少两个DRX周期，所述至少两个DRX周期包括所述第一DRX周期和所述第二DRX周期。Optionally, the network device 800 further includes a communication unit 820, configured to send a first DRX configuration message to the terminal device, where the first DRX configuration message includes at least two DRX cycles, and the at least two DRX cycles The cycle includes the first DRX cycle and the second DRX cycle.
可选地，所述通信单元820还用于向所述终端设备发送所述至少两个DRX周期的切换顺序，所述第一DRX周期和所述第二DRX周期是所述切换顺序中相邻的两个DRX周期。Optionally, the communication unit 820 is further configured to send a switching sequence of the at least two DRX cycles to the terminal device, and the first DRX cycle and the second DRX cycle are adjacent in the switching sequence. The two DRX cycles.
可选地，所述至少两个DRX周期的切换顺序是根据所述至少两个DRX周期的周期时长确定的。Optionally, the switching sequence of the at least two DRX cycles is determined according to the cycle duration of the at least two DRX cycles.
可选地，所述第一DRX周期为所述至少两个DRX周期中的周期时长最长的DRX周期。Optionally, the first DRX cycle is the DRX cycle with the longest cycle duration among the at least two DRX cycles.
可选地，所述网络设备800还包括通信单元820，用于向所述终端设备发送第二DRX配置消息，所述第二DRX配置消息中包括所述第一DRX周期；所述处理单元810用于根据所述第一DRX周期，确定所述第二DRX周期。Optionally, the network device 800 further includes a communication unit 820, configured to send a second DRX configuration message to the terminal device, where the second DRX configuration message includes the first DRX cycle; the processing unit 810 It is used to determine the second DRX cycle according to the first DRX cycle.
可选地，所述处理单元810用于根据所述第一DRX周期，确定所述第二DRX周期的周期时长和/或激活期时长。Optionally, the processing unit 810 is configured to determine the period duration and/or the activation period duration of the second DRX cycle according to the first DRX cycle.
可选地，所述第二DRX周期的周期时长是在所述第一DRX周期的周期时长的基础上按照第一缩小规则得到的，和/或，所述第二DRX周期的激活期时长是在所述第一DRX周期的激活期时长的基础上按照第二缩小规则得到的。Optionally, the period duration of the second DRX cycle is obtained according to the first reduction rule on the basis of the period duration of the first DRX cycle, and/or, the activation period duration of the second DRX cycle is Obtained according to the second reduction rule on the basis of the duration of the activation period of the first DRX cycle.
可选地，所述第一缩小规则和所述第二缩小规则均包括缩小比例和/或缩小次数。Optionally, both the first reduction rule and the second reduction rule include a reduction ratio and/or a number of reductions.
可选地，所述通信单元用于向所述终端设备发送所述第一缩小规则和/或所述第二缩小规则。Optionally, the communication unit is configured to send the first reduction rule and/or the second reduction rule to the terminal device.
可选地，所述第二DRX周期的周期时长为所述第一DRX周期的周期时长的一半，和/或，所述第 二DRX周期的激活期时长为所述第一DRX周期的激活期时长的一半。Optionally, the period duration of the second DRX cycle is half of the period duration of the first DRX cycle, and/or the activation period duration of the second DRX cycle is the activation period of the first DRX cycle Half the duration.
可选地，所述网络设备800还包括通信单元820，用于在所述第二DRX周期向所述终端设备发送所述下行传输的情况下，向所述终端设备发送指示信息，以指示所述终端设备从所述第二DRX周期切换到目标DRX周期。Optionally, the network device 800 further includes a communication unit 820, configured to send indication information to the terminal device in the case of sending the downlink transmission to the terminal device in the second DRX cycle to indicate the The terminal device switches from the second DRX cycle to the target DRX cycle.
可选地，所述目标DRX周期大于所述第二DRX周期。Optionally, the target DRX cycle is greater than the second DRX cycle.
可选地，所述目标DRX周期为所述第一DRX周期。Optionally, the target DRX cycle is the first DRX cycle.
可选地，所述下行传输包括下行信号和/或下行信道，所述下行信号和/或下行信道包括以下中的至少一种：物理下行控制信道、下行半永久性调度传输、下行参考信号、下行参考信号序列。Optionally, the downlink transmission includes a downlink signal and/or a downlink channel, and the downlink signal and/or a downlink channel includes at least one of the following: a physical downlink control channel, a downlink semi-permanent scheduled transmission, a downlink reference signal, a downlink Reference signal sequence.
可选地，所述下行参考信号序列包括解调参考信号DMRS序列。Optionally, the downlink reference signal sequence includes a demodulation reference signal DMRS sequence.
应理解，该网络设备800可以执行上述方法中由网络设备执行的相应操作，为了简洁，在此不再赘述。It should be understood that the network device 800 can perform the corresponding operations performed by the network device in the foregoing method, and for the sake of brevity, details are not described herein again.
图9是本申请实施例提供的一种通信设备900示意性结构图。图9所示的通信设备900包括处理器910，处理器910可以从存储器中调用并运行计算机程序，以实现本申请实施例中的方法。FIG. 9 is a schematic structural diagram of a communication device 900 provided by an embodiment of the present application. The communication device 900 shown in FIG. 9 includes a processor 910, and the processor 910 can call and run a computer program from the memory to implement the method in the embodiment of the present application.
可选地，如图9所示，通信设备900还可以包括存储器920。其中，处理器910可以从存储器920中调用并运行计算机程序，以实现本申请实施例中的方法。Optionally, as shown in FIG. 9, the communication device 900 may further include a memory 920. The processor 910 may call and run a computer program from the memory 920 to implement the method in the embodiment of the present application.
其中，存储器920可以是独立于处理器910的一个单独的器件，也可以集成在处理器910中。The memory 920 may be a separate device independent of the processor 910, or may be integrated in the processor 910.
可选地，如图9所示，通信设备900还可以包括收发器930，处理器910可以控制该收发器930与其他设备进行通信，具体地，可以向其他设备发送信息或数据，或接收其他设备发送的信息或数据。Optionally, as shown in FIG. 9, the communication device 900 may further include a transceiver 930, and the processor 910 may control the transceiver 930 to communicate with other devices. Specifically, it may send information or data to other devices, or receive other devices. Information or data sent by the device.
其中，收发器930可以包括发射机和接收机。收发器930还可以进一步包括天线，天线的数量可以为一个或多个。The transceiver 930 may include a transmitter and a receiver. The transceiver 930 may further include an antenna, and the number of antennas may be one or more.
可选地，该通信设备900具体可为本申请实施例的终端设备，并且该通信设备900可以实现本申请实施例的各个方法中由终端设备实现的相应流程，为了简洁，在此不再赘述。Optionally, the communication device 900 may specifically be a terminal device of an embodiment of the present application, and the communication device 900 may implement the corresponding process implemented by the terminal device in each method of the embodiment of the present application. For brevity, details are not repeated here. .
例如，该通信设备900中的处理器910可用于执行以下操作：根据第一非连续接收DRX周期启动第一定时器；如果在n个所述第一定时器的时长内没有检测到下行传输，则将所述第一DRX周期切换到第二DRX周期，其中，所述第一DRX周期大于所述第二DRX周期，n为正整数。For example, the processor 910 in the communication device 900 may be configured to perform the following operations: start a first timer according to the first discontinuous reception DRX cycle; if no downlink transmission is detected within the duration of n said first timers, Then the first DRX cycle is switched to the second DRX cycle, where the first DRX cycle is greater than the second DRX cycle, and n is a positive integer.
可选地，该通信设备900具体可为本申请实施例的网络设备，并且该通信设备900可以实现本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。Optionally, the communication device 900 may specifically be a network device of an embodiment of the application, and the communication device 900 may implement the corresponding process implemented by the network device in each method of the embodiment of the application. For brevity, details are not repeated here .
例如，该通信设备900中的处理器910可用于执行以下操作：在需要向终端设备发送下行传输的情况下，对非授权频谱上的信道进行检测；如果在第一非连续发射DRX周期的n个第一定时器的时长内没有检测到可用信道，则将第一DRX周期切换到第二DRX周期，其中，所述第一DRX周期大于所述第二DRX周期，n为正整数；在所述第二DRX周期对所述信道进行检测。For example, the processor 910 in the communication device 900 may be used to perform the following operations: when a downlink transmission needs to be sent to a terminal device, detect the channel on the unlicensed spectrum; if the first non-continuous transmission DRX cycle is n If no available channel is detected within the duration of the first timer, the first DRX cycle is switched to the second DRX cycle, where the first DRX cycle is greater than the second DRX cycle, and n is a positive integer; The second DRX cycle detects the channel.
图10是本申请实施例的一种装置的示意性结构图。图10所示的装置1000包括处理器1010，处理器1010可以从存储器中调用并运行计算机程序，以实现本申请实施例中的方法。Fig. 10 is a schematic structural diagram of a device according to an embodiment of the present application. The apparatus 1000 shown in FIG. 10 includes a processor 1010, and the processor 1010 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
可选地，如图10所示，装置1000还可以包括存储器1020。其中，处理器1010可以从存储器1020中调用并运行计算机程序，以实现本申请实施例中的方法。Optionally, as shown in FIG. 10, the device 1000 may further include a memory 1020. The processor 1010 can call and run a computer program from the memory 1020 to implement the method in the embodiment of the present application.
其中，存储器1020可以是独立于处理器1010的一个单独的器件，也可以集成在处理器1010中。The memory 1020 may be a separate device independent of the processor 1010, or it may be integrated in the processor 1010.
可选地，该装置1000还可以包括输入接口1030。其中，处理器1010可以控制该输入接口1030与其他设备或芯片进行通信，具体地，可以获取其他设备或芯片发送的信息或数据。Optionally, the device 1000 may further include an input interface 1030. The processor 1010 can control the input interface 1030 to communicate with other devices or chips, and specifically, can obtain information or data sent by other devices or chips.
可选地，该装置1000还可以包括输出接口1040。其中，处理器1010可以控制该输出接口1040与其他设备或芯片进行通信，具体地，可以向其他设备或芯片输出信息或数据。Optionally, the device 1000 may further include an output interface 1040. The processor 1010 can control the output interface 1040 to communicate with other devices or chips, specifically, can output information or data to other devices or chips.
可选地，该装置可应用于本申请实施例中的终端设备，并且该装置可以实现本申请实施例的各个方法中由终端设备实现的相应流程，为了简洁，在此不再赘述。Optionally, the device can be applied to the terminal device in the embodiment of the present application, and the device can implement the corresponding process implemented by the terminal device in the various methods of the embodiment of the present application. For brevity, details are not described herein again.
可选地，该装置可应用于本申请实施例中的网络设备，并且该装置可以实现本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。Optionally, the device can be applied to the network equipment in the embodiments of the present application, and the device can implement the corresponding processes implemented by the network equipment in the various methods of the embodiments of the present application. For brevity, details are not described herein again.
可选地，该装置1000可以为芯片。应理解，本申请实施例提到的芯片还可以称为***级芯片、***芯片、芯片***或片上***芯片等。Optionally, the device 1000 may be a chip. It should be understood that the chips mentioned in the embodiments of the present application may also be referred to as system-level chips, system-on-chips, system-on-chips, or system-on-chips.
应理解，本申请实施例的处理器可能是一种集成电路芯片，具有信号的处理能力。在实现过程中，上述方法实施例的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器可以是通用处理器、数字信号处理器(Digital Signal Processor，DSP)、专用集成电路(Application Specific Integrated Circuit，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各方法、步骤及逻辑框图。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，处理器读取存储器中的信息，结合其硬件完成上述方法的步骤。It should be understood that the processor of the embodiment of the present application may be an integrated circuit chip with signal processing capability. In the implementation process, the steps of the foregoing method embodiments can be completed by hardware integrated logic circuits in the processor or instructions in the form of software. The aforementioned processor may be a general-purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (ASIC), a ready-made programmable gate array (Field Programmable Gate Array, FPGA) or other Programming logic devices, discrete gates or transistor logic devices, discrete hardware components. The methods, steps, and logical block diagrams disclosed in the embodiments of the present application 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 may 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, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware.
可以理解，本申请实施例中的存储器可以是易失性存储器或非易失性存储器，或者可以包括易失性和非易失性存储器两者。其中，非易失性存储器可以是只读存储器(Read-Only Memory，ROM)、可编程只读存储器(Programmable ROM，PROM)、可擦除可编程只读存储器(Erasable PROM，EPROM)、电可擦除可编程只读存储器(Electrically EPROM，EEPROM)或闪存。易失性存储器可以是随机存取存储器(Random Access Memory，RAM)，其用作外部高速缓存。通过示例性但不是限制性说明，许多形式的RAM可用，例如静态随机存取存储器(Static RAM，SRAM)、动态随机存取存储器(Dynamic RAM，DRAM)、同步动态随机存取存储器(Synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(Synchlink DRAM，SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM，DR RAM)。应注意，本文描述的***和方法的存储器旨在包括但不限于这些和任意其它适合类型的存储器。It can be understood that the memory in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory. Among them, the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), and electrically available Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory. The volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache. By way of exemplary but not restrictive description, many forms of RAM are available, such as static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random access memory (Synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous connection dynamic random access memory (Synchlink DRAM, SLDRAM) ) And Direct Rambus RAM (DR RAM). It should be noted that the memories of the systems and methods described herein are intended to include, but are not limited to, these and any other suitable types of memories.
应理解，上述存储器为示例性但不是限制性说明，例如，本申请实施例中的存储器还可以是静态随机存取存储器(Static RAM，SRAM)、动态随机存取存储器(Dynamic RAM，DRAM)、同步动态随机存取存储器(Synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate SDRAM，DDR SDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(Synch Link DRAM，SLDRAM)以及直接内存总线随机存取存储器(Direct Rambus RAM，DR RAM)等等。也就是说，本申请实施例中的存储器旨在包括但不限于这些和任意其它适合类型的存储器。It should be understood that the foregoing memory is illustrative but not restrictive. For example, the memory in the embodiment of the present application may also be static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), Synchronous DRAM (SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (Double Data Rate SDRAM, DDR SDRAM), Enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (Synch Link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM), etc. That is to say, the memory in the embodiment of the present application is intended to include but not limited to these and any other suitable types of memory.
图11是根据本申请实施例的通信***1100的示意性框图。如图11所示，该通信***1100包括网络设备1110和终端设备1120。FIG. 11 is a schematic block diagram of a communication system 1100 according to an embodiment of the present application. As shown in FIG. 11, the communication system 1100 includes a network device 1110 and a terminal device 1120.
其中，该网络设备1110用于：在需要向终端设备发送下行传输的情况下，对非授权频谱上的信道进行检测；如果在第一非连续发射DRX周期的n个第一定时器的时长内没有检测到可用信道，则将第一DRX周期切换到第二DRX周期，其中，所述第一DRX周期大于所述第二DRX周期，n为正整数；在所述第二DRX周期对所述信道进行检测。Wherein, the network device 1110 is used to detect the channel on the unlicensed spectrum when the downlink transmission needs to be sent to the terminal device; if it is within the duration of n first timers of the first discontinuous transmission DRX cycle If no available channel is detected, the first DRX cycle is switched to the second DRX cycle, where the first DRX cycle is greater than the second DRX cycle, and n is a positive integer; in the second DRX cycle, the The channel is tested.
其中，该终端设备1120用于：根据第一非连续接收DRX周期启动第一定时器；如果在n个所述第一定时器的时长内没有检测到下行传输，则将所述第一DRX周期切换到第二DRX周期，其中，所述第一DRX周期大于所述第二DRX周期，n为正整数。Wherein, the terminal device 1120 is configured to: start a first timer according to the first discontinuous reception DRX cycle; if no downlink transmission is detected within the duration of the n first timers, set the first DRX cycle Switch to the second DRX cycle, where the first DRX cycle is greater than the second DRX cycle, and n is a positive integer.
可选地，该网络设备1110可以用于实现上述方法中由网络设备实现的相应的功能，以及该网络设备1110的组成可以如图8中的网络设备800所示，为了简洁，在此不再赘述。Optionally, the network device 1110 can be used to implement the corresponding functions implemented by the network device in the above method, and the composition of the network device 1110 can be as shown in the network device 800 in FIG. 8. For the sake of brevity, it will not be omitted here. Repeat.
可选地，该终端设备1120可以用于实现上述方法中由终端设备实现的相应的功能，以及该终端设备1120的组成可以如图7中的终端设备700所示，为了简洁，在此不再赘述。Optionally, the terminal device 1120 can be used to implement the corresponding functions implemented by the terminal device in the foregoing method, and the composition of the terminal device 1120 can be as shown in the terminal device 700 in FIG. Repeat.
本申请实施例还提供了一种计算机可读存储介质，用于存储计算机程序。可选的，该计算机可读存储介质可应用于本申请实施例中的网络设备，并且该计算机程序使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。可选地，该计算机可读存储介质可应用于本申请实施例中的终端设备，并且该计算机程序使得计算机执行本申请实施例的各个方法中由终端设备实现的相应流程，为了简洁，在此不再赘述。The embodiment of the present application also provides a computer-readable storage medium for storing computer programs. Optionally, the computer-readable storage medium may be applied to the network device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application. For brevity, here No longer. Optionally, the computer-readable storage medium can be applied to the terminal device in the embodiment of the present application, and the computer program causes the computer to execute the corresponding process implemented by the terminal device in each method of the embodiment of the present application. For brevity, here No longer.
本申请实施例还提供了一种计算机程序产品，包括计算机程序指令。可选的，该计算机程序产品可应用于本申请实施例中的网络设备，并且该计算机程序指令使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。可选地，该计算机程序产品可应用于本申请实施例中的终端设备，并且该计算机程序指令使得计算机执行本申请实施例的各个方法中由终端设备实现的相应流程，为了简洁，在此不再赘述。The embodiments of the present application also provide a computer program product, including computer program instructions. Optionally, the computer program product may be applied to the network device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the network device in each method of the embodiment of the present application. For the sake of brevity, it is not here. Repeat it again. Optionally, the computer program product can be applied to the terminal device in the embodiment of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the terminal device in each method of the embodiment of the present application. For the sake of brevity, it is not here. Repeat it again.
本申请实施例还提供了一种计算机程序。可选的，该计算机程序可应用于本申请实施例中的网络设备，当该计算机程序在计算机上运行时，使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程，为了简洁，在此不再赘述。可选地，该计算机程序可应用于本申请实施例中的终端设备，当该计算机程序在计算机上运行时，使得计算机执行本申请实施例的各个方法中由终端设备实现的相应流程，为了简洁，在此不再赘述。The embodiment of the present application also provides a computer program. Optionally, the computer program can be applied to the network device in the embodiment of the present application. When the computer program runs on the computer, the computer is caused to execute the corresponding process implemented by the network device in each method of the embodiment of the present application. For the sake of brevity , I won’t repeat it here. Optionally, the computer program can be applied to the terminal device in the embodiment of the present application. When the computer program runs on the computer, it causes the computer to execute the corresponding process implemented by the terminal device in each method of the embodiment of the present application. For the sake of brevity , I won’t repeat it here.
应理解，本文中术语“***”和“网络”在本文中常被可互换使用。本文中术语“和/或”，仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同 时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。It should be understood that the terms "system" and "network" in this article are often used interchangeably in this article. The term "and/or" in this article is only an association relationship describing associated objects, which means that there can be three relationships, for example, A and/or B, which can mean: A alone exists, A and B exist at the same time, exist alone B these three situations. In addition, the character "/" in this text generally indicates that the associated objects before and after are in an "or" relationship.
还应理解，在本申请实施例中，“与A相应(对应)的B”表示B与A相关联，根据A可以确定B。但还应理解，根据A确定B并不意味着仅仅根据A确定B，还可以根据A和/或其它信息确定B。It should also be understood that in the embodiments of the present application, "B corresponding (corresponding) to A" means that B is associated with A, and B can be determined according to A. However, it should also be understood that determining B according to A does not mean that B is determined only according to A, and B can also be determined according to A and/or other information.
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。A person of ordinary skill in the art may be aware 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 executed 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.
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，上述描述的***、装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。Those skilled in the art can clearly understand that, for the convenience and conciseness of description, the specific working process of the above-described system, device, and unit can refer to the corresponding process in the foregoing method embodiment, which will not be repeated here.
在本申请所提供的几个实施例中，应该理解到，所揭露的***、装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，该单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个***，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。In the several embodiments provided in this application, it should be understood that the disclosed system, device, and method may be implemented in other ways. For example, the device embodiments described above are only illustrative. For example, the division of the unit is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components may be combined or may be Integrate into another system, or some features can be ignored or not implemented. In addition, the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solutions of the embodiments.
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。In addition, the functional units in each embodiment of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(Read-Only Memory，ROM)、随机存取存储器(Random Access Memory，RAM)、磁碟或者光盘等各种可以存储程序代码的介质。If the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer readable storage medium. Based on this understanding, the technical solution of this application essentially or the part that contributes to the existing technology or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or optical disk and other media that can store program code .
以上所述，仅为本申请的具体实施方式，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所述以权利要求的保护范围为准。The above are only specific implementations of this application, but the protection scope of this application is not limited to this. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed in this application. Should be covered within the scope of protection of this application. Therefore, the protection scope of this application shall be subject to the protection scope of the claims.

Claims (76)

  1. 一种用于非授权频谱上非连续接收的方法，其特征在于，包括：A method for discontinuous reception on unlicensed spectrum, characterized in that it includes:
    终端设备根据第一非连续接收DRX周期启动第一定时器；The terminal device starts the first timer according to the first discontinuous reception DRX cycle;
    如果在n个所述第一定时器的时长内没有检测到下行传输，则所述终端设备将所述第一DRX周期切换到第二DRX周期，其中，所述第一DRX周期大于所述第二DRX周期，n为正整数。If no downlink transmission is detected within the duration of the n first timers, the terminal device switches the first DRX cycle to the second DRX cycle, where the first DRX cycle is greater than the first DRX cycle Two DRX cycles, n is a positive integer.
  2. 根据权利要求1所述的方法，其特征在于，所述方法还包括：The method of claim 1, wherein the method further comprises:
    所述终端设备接收网络设备发送的第一DRX配置消息，所述第一DRX配置消息中包括至少两个DRX周期，所述至少两个DRX周期包括所述第一DRX周期和所述第二DRX周期。The terminal device receives a first DRX configuration message sent by a network device, where the first DRX configuration message includes at least two DRX cycles, and the at least two DRX cycles include the first DRX cycle and the second DRX cycle cycle.
  3. 根据权利要求2所述的方法，其特征在于，所述方法还包括：The method of claim 2, wherein the method further comprises:
    所述终端设备接收所述网络设备发送的所述至少两个DRX周期的切换顺序，所述第一DRX周期和所述第二DRX周期是所述切换顺序中相邻的两个DRX周期。The terminal device receives the switching sequence of the at least two DRX cycles sent by the network device, and the first DRX cycle and the second DRX cycle are two adjacent DRX cycles in the switching sequence.
  4. 根据权利要求3所述的方法，其特征在于，所述至少两个DRX周期的切换顺序是根据所述至少两个DRX周期的周期时长确定的。The method according to claim 3, wherein the switching sequence of the at least two DRX cycles is determined according to the cycle duration of the at least two DRX cycles.
  5. 根据权利要求2至4中任一项所述的方法，其特征在于，所述第一DRX周期为所述至少两个DRX周期中的周期时长最长的DRX周期。The method according to any one of claims 2 to 4, wherein the first DRX cycle is the DRX cycle with the longest cycle duration among the at least two DRX cycles.
  6. 根据权利要求1所述的方法，其特征在于，所述方法还包括：The method of claim 1, wherein the method further comprises:
    所述终端设备接收网络设备发送的第二DRX配置消息，所述第二DRX配置消息中包括所述第一DRX周期；Receiving, by the terminal device, a second DRX configuration message sent by a network device, where the second DRX configuration message includes the first DRX cycle;
    所述终端设备根据所述第一DRX周期，确定所述第二DRX周期。The terminal device determines the second DRX cycle according to the first DRX cycle.
  7. 根据权利要求6所述的方法，其特征在于，所述终端设备根据所述第一DRX周期，确定所述第二DRX周期，包括：The method according to claim 6, wherein the terminal device determining the second DRX cycle according to the first DRX cycle comprises:
    所述终端设备根据所述第一DRX周期，确定所述第二DRX周期的周期时长和/或激活期时长。The terminal device determines the period duration and/or the activation period duration of the second DRX cycle according to the first DRX cycle.
  8. 根据权利要求6或7所述的方法，其特征在于，所述第二DRX周期的周期时长是在所述第一DRX周期的周期时长的基础上按照第一缩小规则得到的，和/或，The method according to claim 6 or 7, wherein the period duration of the second DRX cycle is obtained according to the first reduction rule on the basis of the period duration of the first DRX cycle, and/or,
    所述第二DRX周期的激活期时长是在所述第一DRX周期的激活期时长的基础上按照第二缩小规则得到的。The duration of the activation period of the second DRX cycle is obtained according to the second reduction rule on the basis of the duration of the activation period of the first DRX cycle.
  9. 根据权利要求8所述的方法，其特征在于，所述第一缩小规则和所述第二缩小规则均包括缩小比例和/或缩小次数。The method according to claim 8, wherein the first reduction rule and the second reduction rule both include a reduction ratio and/or reduction times.
  10. 根据权利要求8或9所述的方法，其特征在于，所述第一缩小规则和/或所述第二缩小规则是所述网络设备配置的，或者是协议规定的。The method according to claim 8 or 9, wherein the first reduction rule and/or the second reduction rule are configured by the network device or specified by a protocol.
  11. 根据权利要求6至10中任一项所述的方法，其特征在于，所述第二DRX周期的周期时长为所述第一DRX周期的周期时长的一半，和/或，The method according to any one of claims 6 to 10, wherein the cycle duration of the second DRX cycle is half of the cycle duration of the first DRX cycle, and/or,
    所述第二DRX周期的激活期时长为所述第一DRX周期的激活期时长的一半。The duration of the activation period of the second DRX cycle is half of the duration of the activation period of the first DRX cycle.
  12. 根据权利要求1至11中任一项所述的方法，其特征在于，所述方法还包括：The method according to any one of claims 1 to 11, wherein the method further comprises:
    如果在所述第二DRX周期检测到所述下行传输，则所述终端设备根据网络设备发送的指示信息，将所述第二DRX周期切换到目标DRX周期；或者，If the downlink transmission is detected in the second DRX cycle, the terminal device switches the second DRX cycle to the target DRX cycle according to the instruction information sent by the network device; or,
    如果在所述第二DRX周期内检测所述下行传输，则所述终端设备启动第二定时器；If the downlink transmission is detected in the second DRX cycle, the terminal device starts a second timer;
    所述终端设备在所述第二定时器超时后，将所述第二DRX周期切换到所述目标DRX周期。After the second timer expires, the terminal device switches the second DRX cycle to the target DRX cycle.
  13. 根据权利要求12所述的方法，其特征在于，所述目标DRX周期大于所述第二DRX周期。The method according to claim 12, wherein the target DRX cycle is greater than the second DRX cycle.
  14. 根据权利要求13所述的方法，其特征在于，所述目标DRX周期为所述第一DRX周期。The method according to claim 13, wherein the target DRX cycle is the first DRX cycle.
  15. 根据权利要求1至14中任一项所述的方法，其特征在于，所述方法还包括：The method according to any one of claims 1 to 14, wherein the method further comprises:
    在将所述第一DRX周期切换到所述第二DRX周期的情况下，所述终端设备根据所述第二DRX周期，启动第三定时器，所述第三定时器用于确定所述终端设备在所述第二DRX周期的停留时长。In the case of switching the first DRX cycle to the second DRX cycle, the terminal device starts a third timer according to the second DRX cycle, and the third timer is used to determine that the terminal device The length of stay in the second DRX cycle.
  16. 根据权利要求1至15中任一项所述的方法，其特征在于，所述下行传输包括下行信号和/或下行信道，所述下行信号和/或下行信道包括以下中的至少一种：物理下行控制信道、下行半永久性调度传输、下行参考信号、下行参考信号序列。The method according to any one of claims 1 to 15, wherein the downlink transmission includes a downlink signal and/or a downlink channel, and the downlink signal and/or a downlink channel includes at least one of the following: physical Downlink control channel, downlink semi-permanent scheduled transmission, downlink reference signal, downlink reference signal sequence.
  17. 根据权利要求16所述的方法，其特征在于，所述下行参考信号序列包括解调参考信号DMRS序列。The method according to claim 16, wherein the downlink reference signal sequence comprises a demodulation reference signal DMRS sequence.
  18. 一种用于非授权频谱上非连续接收的方法，其特征在于，包括：A method for discontinuous reception on unlicensed spectrum, characterized in that it includes:
    在网络设备需要向终端设备发送下行传输的情况下，所述网络设备对非授权频谱上的信道进行检测；In the case that the network device needs to send downlink transmission to the terminal device, the network device detects the channel on the unlicensed spectrum;
    如果所述网络设备在第一非连续发射DRX周期的n个第一定时器的时长内没有检测到可用信道， 则所述网络设备将第一DRX周期切换到第二DRX周期，其中，所述第一DRX周期大于所述第二DRX周期，n为正整数；If the network device does not detect an available channel within the duration of the n first timers of the first discontinuous transmission DRX cycle, the network device switches the first DRX cycle to the second DRX cycle, wherein the The first DRX cycle is greater than the second DRX cycle, and n is a positive integer;
    所述网络设备在所述第二DRX周期对所述信道进行检测。The network device detects the channel in the second DRX cycle.
  19. 根据权利要求18所述的方法，其特征在于，所述方法还包括：The method of claim 18, wherein the method further comprises:
    所述网络设备向所述终端设备发送第一DRX配置消息，所述第一DRX配置消息中包括至少两个DRX周期，所述至少两个DRX周期包括所述第一DRX周期和所述第二DRX周期。The network device sends a first DRX configuration message to the terminal device, where the first DRX configuration message includes at least two DRX cycles, and the at least two DRX cycles include the first DRX cycle and the second DRX cycle. DRX cycle.
  20. 根据权利要求19所述的方法，其特征在于，所述方法还包括：The method of claim 19, wherein the method further comprises:
    所述网络设备向所述终端设备发送所述至少两个DRX周期的切换顺序，所述第一DRX周期和所述第二DRX周期是所述切换顺序中相邻的两个DRX周期。The network device sends the switching sequence of the at least two DRX cycles to the terminal device, where the first DRX cycle and the second DRX cycle are two adjacent DRX cycles in the switching sequence.
  21. 根据权利要求20所述的方法，其特征在于，所述至少两个DRX周期的切换顺序是根据所述至少两个DRX周期的周期时长确定的。The method according to claim 20, wherein the switching sequence of the at least two DRX cycles is determined according to the cycle duration of the at least two DRX cycles.
  22. 根据权利要求19至21中任一项所述的方法，其特征在于，所述第一DRX周期为所述至少两个DRX周期中的周期时长最长的DRX周期。The method according to any one of claims 19 to 21, wherein the first DRX cycle is a DRX cycle with the longest cycle duration among the at least two DRX cycles.
  23. 根据权利要求18所述的方法，其特征在于，所述方法还包括：The method of claim 18, wherein the method further comprises:
    所述网络设备向所述终端设备发送第二DRX配置消息，所述第二DRX配置消息中包括所述第一DRX周期；Sending, by the network device, a second DRX configuration message to the terminal device, where the second DRX configuration message includes the first DRX cycle;
    所述网络设备根据所述第一DRX周期，确定所述第二DRX周期。The network device determines the second DRX cycle according to the first DRX cycle.
  24. 根据权利要求23所述的方法，其特征在于，所述网络设备根据所述第一DRX周期，确定所述第二DRX周期，包括：The method according to claim 23, wherein the network device determining the second DRX cycle according to the first DRX cycle comprises:
    所述网络设备根据所述第一DRX周期，确定所述第二DRX周期的周期时长和/或激活期时长。The network device determines the period duration and/or the activation period duration of the second DRX cycle according to the first DRX cycle.
  25. 根据权利要求23或24所述的方法，其特征在于，所述第二DRX周期的周期时长是在所述第一DRX周期的周期时长的基础上按照第一缩小规则得到的，和/或，The method according to claim 23 or 24, wherein the period duration of the second DRX cycle is obtained according to the first reduction rule on the basis of the period duration of the first DRX cycle, and/or,
    所述第二DRX周期的激活期时长是在所述第一DRX周期的激活期时长的基础上按照第二缩小规则得到的。The duration of the activation period of the second DRX cycle is obtained according to the second reduction rule on the basis of the duration of the activation period of the first DRX cycle.
  26. 根据权利要求25所述的方法，其特征在于，所述第一缩小规则和所述第二缩小规则均包括缩小比例和/或缩小次数。The method according to claim 25, wherein the first reduction rule and the second reduction rule both include a reduction ratio and/or a number of reductions.
  27. 根据权利要求25或26所述的方法，其特征在于，所述方法还包括：The method according to claim 25 or 26, wherein the method further comprises:
    所述网络设备向所述终端设备发送所述第一缩小规则和/或所述第二缩小规则。The network device sends the first reduction rule and/or the second reduction rule to the terminal device.
  28. 根据权利要求23至27中任一项所述的方法，其特征在于，所述第二DRX周期的周期时长为所述第一DRX周期的周期时长的一半，和/或，The method according to any one of claims 23 to 27, wherein the cycle duration of the second DRX cycle is half of the cycle duration of the first DRX cycle, and/or,
    所述第二DRX周期的激活期时长为所述第一DRX周期的激活期时长的一半。The duration of the activation period of the second DRX cycle is half of the duration of the activation period of the first DRX cycle.
  29. 根据权利要求18至28中任一项所述的方法，其特征在于，所述方法还包括：The method according to any one of claims 18 to 28, wherein the method further comprises:
    在所述第二DRX周期向所述终端设备发送所述下行传输的情况下，所述网络设备向所述终端设备发送指示信息，以指示所述终端设备从所述第二DRX周期切换到目标DRX周期。In the case that the second DRX cycle sends the downlink transmission to the terminal device, the network device sends instruction information to the terminal device to instruct the terminal device to switch from the second DRX cycle to the target DRX cycle.
  30. 根据权利要求29所述的方法，其特征在于，所述目标DRX周期大于所述第二DRX周期。The method according to claim 29, wherein the target DRX cycle is greater than the second DRX cycle.
  31. 根据权利要求30所述的方法，其特征在于，所述目标DRX周期为所述第一DRX周期。The method according to claim 30, wherein the target DRX cycle is the first DRX cycle.
  32. 根据权利要求18至31中任一项所述的方法，其特征在于，所述下行传输包括下行信号和/或下行信道，所述下行信号和/或下行信道包括以下中的至少一种：物理下行控制信道、下行半永久性调度传输、下行参考信号、下行参考信号序列。The method according to any one of claims 18 to 31, wherein the downlink transmission includes a downlink signal and/or a downlink channel, and the downlink signal and/or a downlink channel includes at least one of the following: physical Downlink control channel, downlink semi-permanent scheduled transmission, downlink reference signal, downlink reference signal sequence.
  33. 根据权利要求32所述的方法，其特征在于，所述下行参考信号序列包括解调参考信号DMRS序列。The method according to claim 32, wherein the downlink reference signal sequence comprises a demodulation reference signal DMRS sequence.
  34. 一种终端设备，其特征在于，包括处理单元，所述处理单元用于执行以下操作：A terminal device, characterized by comprising a processing unit, configured to perform the following operations:
    根据第一非连续接收DRX周期启动第一定时器；Start the first timer according to the first discontinuous reception DRX cycle;
    如果在n个所述第一定时器的时长内没有检测到下行传输，则将所述第一DRX周期切换到第二DRX周期，其中，所述第一DRX周期大于所述第二DRX周期，n为正整数。If no downlink transmission is detected within the duration of the n first timers, switch the first DRX cycle to the second DRX cycle, where the first DRX cycle is greater than the second DRX cycle, n is a positive integer.
  35. 根据权利要求34所述的终端设备，其特征在于，所述终端设备还包括通信单元，所述通信单元用于接收网络设备发送的第一DRX配置消息，所述第一DRX配置消息中包括至少两个DRX周期，所述至少两个DRX周期包括所述第一DRX周期和所述第二DRX周期。The terminal device according to claim 34, wherein the terminal device further comprises a communication unit configured to receive a first DRX configuration message sent by a network device, and the first DRX configuration message includes at least Two DRX cycles, the at least two DRX cycles include the first DRX cycle and the second DRX cycle.
  36. 根据权利要求35所述的终端设备，其特征在于，所述通信单元用于：The terminal device according to claim 35, wherein the communication unit is configured to:
    接收所述网络设备发送的所述至少两个DRX周期的切换顺序，所述第一DRX周期和所述第二DRX周期是所述切换顺序中相邻的两个DRX周期。Receiving a switching sequence of the at least two DRX cycles sent by the network device, where the first DRX cycle and the second DRX cycle are two adjacent DRX cycles in the switching sequence.
  37. 根据权利要求36所述的终端设备，其特征在于，所述至少两个DRX周期的切换顺序是根据所 述至少两个DRX周期的周期时长确定的。The terminal device according to claim 36, wherein the switching sequence of the at least two DRX cycles is determined according to the cycle duration of the at least two DRX cycles.
  38. 根据权利要求35至37中任一项所述的终端设备，其特征在于，所述第一DRX周期为所述至少两个DRX周期中的周期时长最长的DRX周期。The terminal device according to any one of claims 35 to 37, wherein the first DRX cycle is the DRX cycle with the longest cycle duration among the at least two DRX cycles.
  39. 根据权利要求34所述的终端设备，其特征在于，所述终端设备还包括通信单元，所述通信单元用于接收网络设备发送的第二DRX配置消息，所述第二DRX配置消息中包括所述第一DRX周期；The terminal device according to claim 34, wherein the terminal device further comprises a communication unit configured to receive a second DRX configuration message sent by the network device, and the second DRX configuration message includes all The first DRX cycle;
    所述处理单元用于根据所述第一DRX周期，确定所述第二DRX周期。The processing unit is configured to determine the second DRX cycle according to the first DRX cycle.
  40. 根据权利要求39所述的终端设备，其特征在于，所述处理单元用于：The terminal device according to claim 39, wherein the processing unit is configured to:
    根据所述第一DRX周期，确定所述第二DRX周期的周期时长和/或激活期时长。According to the first DRX cycle, the cycle duration and/or the activation period duration of the second DRX cycle are determined.
  41. 根据权利要求39或40所述的终端设备，其特征在于，所述第二DRX周期的周期时长是在所述第一DRX周期的周期时长的基础上按照第一缩小规则得到的，和/或，The terminal device according to claim 39 or 40, wherein the period duration of the second DRX cycle is obtained according to the first reduction rule on the basis of the period duration of the first DRX cycle, and/or ,
    所述第二DRX周期的激活期时长是在所述第一DRX周期的激活期时长的基础上按照第二缩小规则得到的。The duration of the activation period of the second DRX cycle is obtained according to the second reduction rule on the basis of the duration of the activation period of the first DRX cycle.
  42. 根据权利要求41所述的终端设备，其特征在于，所述第一缩小规则和所述第二缩小规则均包括缩小比例和/或缩小次数。The terminal device according to claim 41, wherein the first reduction rule and the second reduction rule both include a reduction ratio and/or reduction times.
  43. 根据权利要求41或42所述的终端设备，其特征在于，所述第一缩小规则和/或所述第二缩小规则是所述网络设备配置的，或者是协议规定的。The terminal device according to claim 41 or 42, wherein the first reduction rule and/or the second reduction rule are configured by the network device or specified by a protocol.
  44. 根据权利要求39至43中任一项所述的终端设备，其特征在于，所述第二DRX周期的周期时长为所述第一DRX周期的周期时长的一半，和/或，The terminal device according to any one of claims 39 to 43, wherein the cycle duration of the second DRX cycle is half of the cycle duration of the first DRX cycle, and/or,
    所述第二DRX周期的激活期时长为所述第一DRX周期的激活期时长的一半。The duration of the activation period of the second DRX cycle is half of the duration of the activation period of the first DRX cycle.
  45. 根据权利要求34至44中任一项所述的终端设备，其特征在于，所述处理单元用于：The terminal device according to any one of claims 34 to 44, wherein the processing unit is configured to:
    如果在所述第二DRX周期检测到所述下行传输，则根据网络设备发送的指示信息，将所述第二DRX周期切换到目标DRX周期；或者，If the downlink transmission is detected in the second DRX cycle, switch the second DRX cycle to the target DRX cycle according to the instruction information sent by the network device; or,
    如果在所述第二DRX周期内检测所述下行传输，则启动第二定时器；If the downlink transmission is detected in the second DRX cycle, start a second timer;
    在所述第二定时器超时后，将所述第二DRX周期切换到所述目标DRX周期。After the second timer expires, the second DRX cycle is switched to the target DRX cycle.
  46. 根据权利要求45所述的终端设备，其特征在于，所述目标DRX周期大于所述第二DRX周期。The terminal device according to claim 45, wherein the target DRX cycle is greater than the second DRX cycle.
  47. 根据权利要求46所述的终端设备，其特征在于，所述目标DRX周期为所述第一DRX周期。The terminal device according to claim 46, wherein the target DRX cycle is the first DRX cycle.
  48. 根据权利要求34至47中任一项所述的终端设备，其特征在于，所述处理单元用于：The terminal device according to any one of claims 34 to 47, wherein the processing unit is configured to:
    在将所述第一DRX周期切换到所述第二DRX周期的情况下，根据所述第二DRX周期，启动第三定时器，所述第三定时器用于确定所述终端设备在所述第二DRX周期的停留时长。In the case of switching the first DRX cycle to the second DRX cycle, a third timer is started according to the second DRX cycle, and the third timer is used to determine that the terminal device is in the first DRX cycle. The dwell time of the DRX cycle.
  49. 根据权利要求34至48中任一项所述的终端设备，其特征在于，所述下行传输包括下行信号和/或下行信道，所述下行信号和/或下行信道包括以下中的至少一种：物理下行控制信道、下行半永久性调度传输、下行参考信号、下行参考信号序列。The terminal device according to any one of claims 34 to 48, wherein the downlink transmission includes a downlink signal and/or a downlink channel, and the downlink signal and/or a downlink channel includes at least one of the following: Physical downlink control channel, downlink semi-permanent scheduled transmission, downlink reference signal, downlink reference signal sequence.
  50. 根据权利要求49所述的终端设备，其特征在于，所述下行参考信号序列包括解调参考信号DMRS序列。The terminal device according to claim 49, wherein the downlink reference signal sequence comprises a demodulation reference signal DMRS sequence.
  51. 一种网络设备，其特征在于，包括处理单元，所述处理单元用于执行以下操作：A network device is characterized by comprising a processing unit, the processing unit being used to perform the following operations:
    在需要向终端设备发送下行传输的情况下，对非授权频谱上的信道进行检测；When it is necessary to send a downlink transmission to the terminal device, detect the channel on the unlicensed spectrum;
    如果在第一非连续发射DRX周期的n个第一定时器的时长内没有检测到可用信道，则将第一DRX周期切换到第二DRX周期，其中，所述第一DRX周期大于所述第二DRX周期，n为正整数；If no available channel is detected within the duration of n first timers of the first discontinuous transmission DRX cycle, the first DRX cycle is switched to the second DRX cycle, where the first DRX cycle is greater than the first DRX cycle Two DRX cycles, n is a positive integer;
    在所述第二DRX周期对所述信道进行检测。The channel is detected in the second DRX cycle.
  52. 根据权利要求51所述的网络设备，其特征在于，所述网络设备还包括通信单元，用于向所述终端设备发送第一DRX配置消息，所述第一DRX配置消息中包括至少两个DRX周期，所述至少两个DRX周期包括所述第一DRX周期和所述第二DRX周期。The network device according to claim 51, wherein the network device further comprises a communication unit, configured to send a first DRX configuration message to the terminal device, and the first DRX configuration message includes at least two DRX Period, the at least two DRX periods include the first DRX period and the second DRX period.
  53. 根据权利要求52所述的网络设备，其特征在于，所述通信单元还用于：向所述终端设备发送所述至少两个DRX周期的切换顺序，所述第一DRX周期和所述第二DRX周期是所述切换顺序中相邻的两个DRX周期。The network device according to claim 52, wherein the communication unit is further configured to: send a switching sequence of the at least two DRX cycles to the terminal device, the first DRX cycle and the second DRX cycle The DRX cycle is two adjacent DRX cycles in the switching sequence.
  54. 根据权利要求53所述的网络设备，其特征在于，所述至少两个DRX周期的切换顺序是根据所述至少两个DRX周期的周期时长确定的。The network device according to claim 53, wherein the switching sequence of the at least two DRX cycles is determined according to the period duration of the at least two DRX cycles.
  55. 根据权利要求52至54中任一项所述的网络设备，其特征在于，所述第一DRX周期为所述至少两个DRX周期中的周期时长最长的DRX周期。The network device according to any one of claims 52 to 54, wherein the first DRX cycle is the DRX cycle with the longest cycle duration among the at least two DRX cycles.
  56. 根据权利要求51所述的网络设备，其特征在于，所述网络设备还包括通信单元，用于向所述终端设备发送第二DRX配置消息，所述第二DRX配置消息中包括所述第一DRX周期；The network device according to claim 51, wherein the network device further comprises a communication unit, configured to send a second DRX configuration message to the terminal device, and the second DRX configuration message includes the first DRX cycle;
    所述处理单元用于根据所述第一DRX周期，确定所述第二DRX周期。The processing unit is configured to determine the second DRX cycle according to the first DRX cycle.
  57. 根据权利要求56所述的网络设备，其特征在于，所述处理单元用于根据所述第一DRX周期，确定所述第二DRX周期的周期时长和/或激活期时长。The network device according to claim 56, wherein the processing unit is configured to determine the period duration and/or activation period duration of the second DRX cycle according to the first DRX cycle.
  58. 根据权利要求56或57所述的网络设备，其特征在于，所述第二DRX周期的周期时长是在所述第一DRX周期的周期时长的基础上按照第一缩小规则得到的，和/或，The network device according to claim 56 or 57, wherein the period duration of the second DRX cycle is obtained according to the first reduction rule on the basis of the period duration of the first DRX cycle, and/or ,
    所述第二DRX周期的激活期时长是在所述第一DRX周期的激活期时长的基础上按照第二缩小规则得到的。The duration of the activation period of the second DRX cycle is obtained according to the second reduction rule on the basis of the duration of the activation period of the first DRX cycle.
  59. 根据权利要求58所述的网络设备，其特征在于，所述第一缩小规则和所述第二缩小规则均包括缩小比例和/或缩小次数。The network device according to claim 58, wherein the first reduction rule and the second reduction rule both include a reduction ratio and/or reduction times.
  60. 根据权利要求58或59所述的网络设备，其特征在于，所述通信单元用于向所述终端设备发送所述第一缩小规则和/或所述第二缩小规则。The network device according to claim 58 or 59, wherein the communication unit is configured to send the first reduction rule and/or the second reduction rule to the terminal device.
  61. 根据权利要求56至60中任一项所述的网络设备，其特征在于，所述第二DRX周期的周期时长为所述第一DRX周期的周期时长的一半，和/或，The network device according to any one of claims 56 to 60, wherein the cycle duration of the second DRX cycle is half of the cycle duration of the first DRX cycle, and/or,
    所述第二DRX周期的激活期时长为所述第一DRX周期的激活期时长的一半。The duration of the activation period of the second DRX cycle is half of the duration of the activation period of the first DRX cycle.
  62. 根据权利要求51至61中任一项所述的网络设备，其特征在于，所述网络设备还包括通信单元，用于在所述第二DRX周期向所述终端设备发送所述下行传输的情况下，向所述终端设备发送指示信息，以指示所述终端设备从所述第二DRX周期切换到目标DRX周期。The network device according to any one of claims 51 to 61, wherein the network device further comprises a communication unit, configured to send the downlink transmission status to the terminal device in the second DRX cycle Next, sending instruction information to the terminal device to instruct the terminal device to switch from the second DRX cycle to the target DRX cycle.
  63. 根据权利要求62所述的网络设备，其特征在于，所述目标DRX周期大于所述第二DRX周期。The network device according to claim 62, wherein the target DRX cycle is greater than the second DRX cycle.
  64. 根据权利要求63所述的网络设备，其特征在于，所述目标DRX周期为所述第一DRX周期。The network device according to claim 63, wherein the target DRX cycle is the first DRX cycle.
  65. 根据权利要求51至64中任一项所述的网络设备，其特征在于，所述下行传输包括下行信号和/或下行信道，所述下行信号和/或下行信道包括以下中的至少一种：物理下行控制信道、下行半永久性调度传输、下行参考信号、下行参考信号序列。The network device according to any one of claims 51 to 64, wherein the downlink transmission includes a downlink signal and/or a downlink channel, and the downlink signal and/or a downlink channel includes at least one of the following: Physical downlink control channel, downlink semi-permanent scheduled transmission, downlink reference signal, downlink reference signal sequence.
  66. 根据权利要求65所述的网络设备，其特征在于，所述下行参考信号序列包括解调参考信号DMRS序列。The network device according to claim 65, wherein the downlink reference signal sequence comprises a demodulation reference signal DMRS sequence.
  67. 一种终端设备，其特征在于，包括：A terminal device, characterized by comprising:
    处理器、存储器和收发器，所述存储器用于存储计算机程序，所述处理器用于调用并运行所述存储器中存储的计算机程序，以执行权利要求1至17中任一项所述的方法。A processor, a memory, and a transceiver, where the memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory to execute the method according to any one of claims 1 to 17.
  68. 一种网络设备，其特征在于，包括：A network device, characterized by comprising:
    处理器、存储器和收发器，所述存储器用于存储计算机程序，所述处理器用于调用并运行所述存储器中存储的计算机程序，以执行权利要求18至33中任一项所述的方法。A processor, a memory, and a transceiver, the memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory to execute the method according to any one of claims 18 to 33.
  69. 一种装置，其特征在于，包括：A device, characterized in that it comprises:
    处理器，用于从存储器中调用并运行计算机程序，使得安装有所述芯片的设备执行如权利要求1至17中任一项所述的方法。The processor is configured to call and run a computer program from the memory, so that the device installed with the chip executes the method according to any one of claims 1 to 17.
  70. 一种装置，其特征在于，包括：A device, characterized in that it comprises:
    处理器，用于从存储器中调用并运行计算机程序，使得安装有所述芯片的设备执行如权利要求18至33中任一项所述的方法。The processor is configured to call and run a computer program from the memory, so that the device installed with the chip executes the method according to any one of claims 18 to 33.
  71. 一种计算机可读存储介质，其特征在于，用于存储计算机程序，所述计算机程序使得计算机执行如权利要求1至17中任一项所述的方法。A computer-readable storage medium, characterized in that it is used to store a computer program that enables a computer to execute the method according to any one of claims 1 to 17.
  72. 一种计算机可读存储介质，其特征在于，用于存储计算机程序，所述计算机程序使得计算机执行如权利要求18至33中任一项所述的方法。A computer-readable storage medium, characterized in that it is used to store a computer program that enables a computer to execute the method according to any one of claims 18 to 33.
  73. 一种计算机程序产品，其特征在于，包括计算机程序指令，所述计算机程序指令使得计算机执行如权利要求1至17中任一项所述的方法。A computer program product, characterized by comprising computer program instructions, which cause a computer to execute the method according to any one of claims 1 to 17.
  74. 一种计算机程序产品，其特征在于，包括计算机程序指令，所述计算机程序指令使得计算机执行如权利要求18至33中任一项所述的方法。A computer program product, characterized by comprising computer program instructions, which cause a computer to execute the method according to any one of claims 18 to 33.
  75. 一种计算机程序，其特征在于，所述计算机程序使得计算机执行如权利要求1至17中任一项所述的方法。A computer program, wherein the computer program causes a computer to execute the method according to any one of claims 1 to 17.
  76. 一种计算机程序，其特征在于，所述计算机程序使得计算机执行如权利要求18至33中任一项所述的方法。A computer program, wherein the computer program causes a computer to execute the method according to any one of claims 18 to 33.
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