WO2023004691A1 - 去激活小区的方法、终端设备及存储介质 - Google Patents

去激活小区的方法、终端设备及存储介质 Download PDF

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Publication number
WO2023004691A1
WO2023004691A1 PCT/CN2021/109296 CN2021109296W WO2023004691A1 WO 2023004691 A1 WO2023004691 A1 WO 2023004691A1 CN 2021109296 W CN2021109296 W CN 2021109296W WO 2023004691 A1 WO2023004691 A1 WO 2023004691A1
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Prior art keywords
cell
terminal device
secondary cell
scg
condition
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PCT/CN2021/109296
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English (en)
French (fr)
Inventor
尤心
王淑坤
林雪
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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 CN202180097296.1A priority Critical patent/CN117204038A/zh
Priority to PCT/CN2021/109296 priority patent/WO2023004691A1/zh
Publication of WO2023004691A1 publication Critical patent/WO2023004691A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
    • H04W36/185—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection using make before break

Definitions

  • the present application relates to the communication field, and in particular to a method for deactivating a cell, a terminal device and a storage medium.
  • R16DAPS DualActive Protocol Stack, dual activation protocol stack
  • DC Dual-connectivity, dual connectivity
  • CA Carrier Aggregation, carrier aggregation
  • the network device needs to instruct the UE to release the current secondary node (Secondary Node, SN) or secondary cell (Secondary Cells, Scells) through signaling before configuring DAPS handover for the UE, and the corresponding access time is extended again, and the signaling overhead is large.
  • the embodiment of the present application provides a method for deactivating a cell, a terminal device, and a storage medium, so that the terminal device does not need to release the SN and/or cell during handover, and can quickly restore the SN and/or cell after the handover is completed, thereby, Reduce the connection switching delay and reduce signaling overhead.
  • the first aspect of the embodiments of this application provides a method for deactivating a cell, which may include: when the first condition is met, the terminal device deactivates the first secondary node SN and/or the first cell; the second One condition is the handover condition from the source cell to the target cell.
  • the second aspect of the present application provides a terminal device that supports the activation and/or deactivation of multiple pre-configured resources, thereby effectively supporting the transmission of one or more services, ensuring the reliability and delay of service transmission, and also The function of guaranteeing the system capacity.
  • This function may be implemented by hardware, or may be implemented by executing corresponding software on the hardware.
  • the hardware or software includes one or more modules corresponding to the above functions.
  • a terminal device including: a memory storing executable program codes; a transceiver coupled to the memory; the transceiver is used to execute the method described in the first aspect of the embodiments of the present invention method.
  • Still another aspect of the embodiments of the present invention provides a computer-readable storage medium, including instructions, which, when run on a computer, cause the computer to execute the method described in the first aspect of the present invention.
  • Another aspect of the embodiments of the present invention provides a chip, the chip is coupled with the memory in the terminal device, so that the chip calls the program instructions stored in the memory during operation, so that the terminal device executes the The method described in the first aspect of the invention.
  • the terminal device deactivates the first secondary node SN and/or the first cell when the first condition is met; the first condition is a handover condition from the source cell to the target cell.
  • the terminal equipment does not need to release the SN and/or the cell during the handover, and can quickly restore the SN and/or the cell after the handover is completed, thereby reducing the handover connection delay and signaling overhead.
  • FIG. 1 is a system architecture diagram of a communication system applied in an embodiment of the present invention
  • FIG. 2 is a schematic diagram of an embodiment of a method for deactivating a cell in an embodiment of the present application
  • FIG. 3 is a schematic diagram of an embodiment of a terminal device in an embodiment of the present application.
  • Fig. 4 is a schematic diagram of another embodiment of a terminal device in an embodiment of the present invention.
  • Dual Active Protocol Stack DAPS
  • the mobility interruption time refers to the minimum time during which the terminal equipment cannot exchange user plane data packets with any base station.
  • the terminal equipment User Equipment, UE
  • the terminal equipment will disconnect from the source cell and report to the The target cell initiates a random access/synchronization process.
  • the UE's data interruption time is at least 5ms.
  • NR introduces a new handover enhancement process, which is based on dual activation Stack switching (DAPS switching).
  • DAPS handover The main idea of DAPS handover is to maintain the data service with the source cell while the UE receives the handover command and then initiates random access to the target cell, so as to achieve a data interruption time of 0ms during the handover process.
  • the UE After receiving the DAPS handover command, the UE maintains the connection of the source cell and initiates a synchronization process to the target cell.
  • the UE When the synchronization process/random access is completed, the UE will switch the uplink data, that is to say, the uplink data transmission of the UE will be switched from the source base station side to the target base station side after the random access.
  • the release of the source base station protocol stack after random access is based on the display indication of the network, that is to say, during the period from random access to release of the source base station connection, the UE can normally receive the downlink data sent by the source cell, and can Send the uplink feedback related information of the downlink data to the source cell.
  • the UE will keep monitoring the radio link of the source cell. If the DAPS handover fails at this time, the UE fails to access the target cell, and the source cell does not have a radio link failure, the UE can Return to the connection with the source cell, thereby avoiding the re-establishment process of the radio resource control (Radio Resource Control, RRC) connection caused by the handover failure.
  • RRC Radio Resource Control
  • the UE will keep monitoring the radio link of the source cell while accessing the target cell. If a radio link failure occurs in the source cell during the UE access to the target (the UE initiates a random access procedure to the target), The UE will release the source cell and will not initiate a connection re-establishment procedure.
  • R16 DAPS handover does not support simultaneous configuration with DC (Dual-connectivity)/CA (Carrier Aggregation, carrier aggregation).
  • DC Direct-connectivity
  • CA Carrier Aggregation, carrier aggregation
  • the embodiments of the present application describe various embodiments in conjunction with network equipment and terminal equipment, wherein the terminal equipment may also be referred to as user equipment (User Equipment, UE), access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device, etc.
  • user equipment User Equipment, UE
  • access terminal user unit
  • user station mobile station
  • mobile station mobile station
  • remote station remote terminal
  • mobile device user terminal
  • terminal wireless communication device
  • wireless communication device user agent or user device
  • the terminal device can be a station (STAION, ST) in the WLAN, a cellular phone, a cordless phone, a Session Initiation Protocol (Session Initiation Protocol, SIP) phone, a wireless local loop (Wireless Local Loop, WLL) station, a personal digital processing (Personal Digital Assistant, PDA) devices, handheld devices with wireless communication functions, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, next-generation communication systems such as terminal devices in NR networks, or future Terminal equipment in the evolved public land mobile network (Public Land Mobile Network, PLMN) network, etc.
  • STAION, ST Session Initiation Protocol
  • SIP Session Initiation Protocol
  • WLL Wireless Local Loop
  • PDA Personal Digital Assistant
  • the terminal device can be deployed on land, including indoor or outdoor, handheld, wearable or vehicle-mounted; it can also be deployed on water (such as ships, etc.); it can also be deployed in the air (such as aircraft, balloons and satellites) superior).
  • the terminal device may be a mobile phone (Mobile Phone), a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (Virtual Reality, VR) terminal device, an augmented reality (Augmented Reality, AR) terminal Equipment, wireless terminal equipment in industrial control, wireless terminal equipment in self driving, wireless terminal equipment in remote medical, wireless terminal equipment in smart grid , wireless terminal equipment in transportation safety, wireless terminal equipment in smart city, or wireless terminal equipment in smart home.
  • a virtual reality (Virtual Reality, VR) terminal device an augmented reality (Augmented Reality, AR) terminal Equipment
  • wireless terminal equipment in industrial control wireless terminal equipment in self driving
  • wireless terminal equipment in remote medical wireless terminal equipment in smart grid
  • wireless terminal equipment in transportation safety wireless terminal equipment in smart city, or wireless terminal equipment in smart home.
  • the terminal device may also be a wearable device.
  • Wearable devices can also be called wearable smart devices, which is a general term for the application of wearable technology to intelligently design daily wear and develop wearable devices, such as glasses, gloves, watches, clothing and shoes.
  • a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable devices are not only a hardware device, but also achieve powerful functions through software support, data interaction, and cloud interaction.
  • Generalized wearable smart devices include full-featured, large-sized, complete or partial functions without relying on smart phones, such as smart watches or smart glasses, etc., and only focus on a certain type of application functions, and need to cooperate with other devices such as smart phones Use, such as various smart bracelets and smart jewelry for physical sign monitoring.
  • the network device may be a device for communicating with the mobile device, and the network device may be an access point (Access Point, AP) in WLAN, a base station (Base Transceiver Station, BTS) in GSM or CDMA , or a base station (NodeB, NB) in WCDMA, or an evolved base station (Evolutional Node B, eNB or eNodeB) in LTE, or a relay station or access point, or a vehicle-mounted device, a wearable device, and an NR network
  • BTS Base Transceiver Station
  • NodeB, NB base station
  • Evolutional Node B, eNB or eNodeB evolved base station
  • LTE Long Term Evolutional Node B, eNB or eNodeB
  • gNB network equipment in the network or the network equipment in the future evolved PLMN network or the network equipment in the NTN network, etc.
  • the network device may have a mobile feature, for example, the network device may be a mobile device.
  • the network equipment may be a satellite or a balloon station.
  • the satellite can be a low earth orbit (low earth orbit, LEO) satellite, a medium earth orbit (medium earth orbit, MEO) satellite, a geosynchronous earth orbit (geosynchronous earth orbit, GEO) satellite, a high elliptical orbit (High Elliptical Orbit, HEO) satellite. ) Satellite etc.
  • the network device may also be a base station installed on land, water, and other locations.
  • the network device may provide services for a cell, and the terminal device communicates with the network device through the transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell, and the cell may be a network device ( For example, a cell corresponding to a base station), the cell may belong to a macro base station, or may belong to a base station corresponding to a small cell (Small cell), and the small cell here may include: a metro cell (Metro cell), a micro cell (Micro cell), a pico cell ( Pico cell), Femto cell, etc. These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-speed data transmission services.
  • the transmission resources for example, frequency domain resources, or spectrum resources
  • the cell may be a network device (
  • the cell may belong to a macro base station, or may belong to a base station corresponding to a small cell (Small cell)
  • the small cell here may include: a metro cell (Metro cell), a micro cell (Micro
  • the communication system may include a network device, and the network device may be a device for communicating with a terminal device (or called a communication terminal, terminal).
  • a network device can provide communication coverage for a specific geographic area, and can communicate with terminal devices located within the coverage area.
  • Figure 1 exemplarily shows one network device and two terminal devices.
  • the communication system may include multiple network devices and each network device may include other numbers of terminal devices within the coverage area. Examples are not limited to this.
  • the communication system may further include other network entities such as a network controller and a mobility management entity, which is not limited in this embodiment of the present application.
  • the network equipment may further include access network equipment and core network equipment. That is, the wireless communication system also includes multiple core networks for communicating with access network devices.
  • the access network device may be a long-term evolution (long-term evolution, LTE) system, a next-generation (mobile communication system) (next radio, NR) system or an authorized auxiliary access long-term evolution (LAA- Evolved base station (evolutional node B, abbreviated as eNB or e-NodeB) macro base station, micro base station (also called “small base station”), pico base station, access point (access point, AP), Transmission point (transmission point, TP) or new generation base station (new generation Node B, gNodeB), etc.
  • LTE long-term evolution
  • NR next-generation
  • LAA- Evolved base station evolutional node B, abbreviated as eNB or e-NodeB
  • eNB next-generation
  • NR next-generation
  • a device with a communication function in the network/system in the embodiment of the present application may be referred to as a communication device.
  • the communication equipment may include network equipment and terminal equipment with communication functions, and the network equipment and terminal equipment may be the specific equipment described in the embodiments of the present invention, which will not be repeated here; communication
  • the device may also include other devices in the communication system, such as network controllers, mobility management entities and other network entities, which are not limited in this embodiment of the present application.
  • FIG. 2 it is a schematic diagram of an embodiment of the method for deactivating a cell in the embodiment of the present application, which may include:
  • the terminal device deactivates the first secondary node SN and/or the first cell when a first condition is met; the first condition is a handover condition from a source cell to a target cell.
  • the first condition is a handover condition from the source cell to the target cell, and can also be understood as a handover condition from the source base station to the target base station.
  • the first cell includes at least one of a first secondary cell SCell and a first secondary cell group SCG.
  • the first condition includes at least one of the following:
  • a handover command is received; for example: a Radio Resource Control (Radio Resource Control, RRC) reconfiguration message is received.
  • RRC Radio Resource Control
  • the dual-activation protocol stack DAPS wireless data/signaling bearer configuration may also be referred to as a DAPS bearer.
  • the terminal device needs to check whether the field DAPS Config exists in the RadioBearerConfig IE (Information Elements, information element) received in the radio bearer configuration (RadioBearerConfig) or radioBearerConfig2.
  • RadioBearerConfig Information Elements, information element
  • conditional reconfiguration message includes a CHO/CPAC switching command.
  • condition of conditional handover (CHO)
  • CHO improves the robustness during user switching.
  • an execution condition may consist of one or two trigger conditions (such as CHO event A3/A5). Only a single reference signal type is supported, and up to two different trigger quantities can be configured at the same time (such as RSRP (Reference Signal Receiving Power, reference signal receiving power) and RSRQ (Reference Signal Receiving Quality, reference signal receiving quality), RSRP and SINR (Signal to Interference plus Noise Ratio, signal to interference plus noise ratio), etc.), to evaluate the CHO execution conditions of a single candidate cell.
  • the condition of CHO is satisfied, which may be that RSRP and/or RSRQ meet the threshold configured by the network device; RSRP and/or SINR meet the threshold configured by the network device, etc.
  • conditional secondary cell group addition/change condition PScell change/addition, CPAC
  • condition of CPAC is satisfied, which can be that RSRP (Reference Signal Receiving Power, reference signal receiving power) meets the threshold configured by the network device, or, RSRQ (Reference Signal Receiving Quality, reference signal receiving quality) meets the threshold configured by the network device , or, SINR (Signal to Interference plus Noise Ratio, signal to interference plus noise ratio) meets the threshold of network equipment configuration, etc.
  • RSRP Reference Signal Receiving Power, reference signal receiving power
  • RSRQ Reference Signal Receiving Quality, reference signal receiving quality
  • SINR Signal to Interference plus Noise Ratio, signal to interference plus noise ratio
  • the UE after receiving the CHO configuration, the UE maintains the connection with the source base station, and starts to evaluate the CHO execution conditions of the candidate cells. If at least one CHO candidate cell satisfies the corresponding CHO execution condition, the UE detaches from the source base station, applies the corresponding stored configuration for the selected candidate cell, synchronizes to the candidate cell, and completes the configuration by sending RRCReconfigurationComplete to the target base station message to complete the RRC handover process. After successfully completing the RRC handover procedure, the UE releases the stored CHO configuration.
  • the deactivation of the first secondary node SN, and/or, the first cell, the behavior of the terminal device includes at least one of the following:
  • the first timer is a T304 timer, or a newly configured timer.
  • the UL grant of type 2 (type 2) CG is released. Suspend type 1 CG.
  • the pre-configured resources are resources used for the UE to transmit uplink data, which may be based on dynamic scheduling of the network device (for example, indicated by downlink control information (Downlink Control Information, DCI)), or based on the pre-configured resources of the network device.
  • DCI Downlink Control Information
  • the uplink CG can be divided into two types: Type1 and Type2.
  • CG Type1 is configured by the Radio Resource Control (RRC) parameter ConfiguredGrantConfig, which can include time domain resources, frequency domain resources, demodulation reference signal (Demodulation Reference Signal, DMRS), open-loop power control, modulation and coding scheme (Modulation and Coding Scheme, MCS), waveform, redundancy version, number of repetitions, frequency modulation, Hybrid Automatic Repeat reQuest (Hybrid Automatic Repeat reQuest, HARQ) process and other parameters.
  • RRC Radio Resource Control
  • DMRS Demodulation Reference Signal
  • MCS Modulation and Coding Scheme
  • waveform redundancy version
  • number of repetitions frequency modulation
  • Hybrid Automatic Repeat reQuest Hybrid Automatic Repeat reQuest
  • HARQ Hybrid Automatic Repeat reQuest
  • CG Type2 is also configured through the RRC parameter ConfiguredGrantConfig, but does not contain the information indicated in the rrc-ConfiguredUplinkGrant field.
  • the activation of the configured CG Type2 resources is scrambled by configuring the Configured Scheduling Radio Network Tempory Identity (CS-RNTI) DCI instructions, and at the same time configure transmission resources and transmission parameters including time domain resources, frequency domain resources, DMRS, MCS, etc.
  • CS-RNTI Configured Scheduling Radio Network Tempory Identity
  • the UE After receiving the high-level configuration, the UE cannot use CG Type2 resources, and must wait for the corresponding DCI activation command and configuration information before performing uplink data transmission.
  • the rrc-ConfiguredUplinkGrant field in ConfiguredGrantConfig is used to distinguish between Type1 and Type1. If this field is configured, it means that the current configuration is CG Type1, otherwise it is CG Type2.
  • the UE determines the HARQ process corresponding to the CG resource according to the network configuration, and starts the CG timer (CG timer) when the UE uses a certain HARQ to perform the corresponding CG resource to complete the uplink data transmission.
  • CG timer CG timer
  • the UE cannot use the CG resources with the same HARQ process for new data transmission, so as to avoid the data in the HARQ buffer (cache) being overwritten by other data.
  • the CG timer times out, it implicitly indicates that the data transmitted by the corresponding HARQ process has been correctly received by the network.
  • URLLC Ultra-reliable and Low Latency Communications
  • the terminal device deactivates all SCG SCells, that is, all SCG SCells enter the deactivated state, regardless of the previous cell state.
  • all SCells of all SCGs may be activated, or at least one SCell of all SCGs may be activated, which is not limited here.
  • the targeted object may be the PSCELL and/or part or all of the scells.
  • the targeted object may be the PSCELL and/or part or all of the scells.
  • the RRM measurement can be a master node (Master node, MN) configuration, or a secondary node (secondary node, SN) configuration.
  • the terminal device activates the second secondary node SN and/or the second cell when the second condition is met.
  • the second condition is to complete the handover from the source cell to the target cell, which can also be understood as the completion of the handover from the source base station to the target base station.
  • the second cell includes at least one of a second secondary cell SCell and a second secondary cell group SCG.
  • the second condition includes at least one of the following:
  • the first timer is a T304 timer, or a newly configured timer.
  • the activation of the second secondary node SN, and/or, the second cell, the behavior of the terminal device includes at least one of the following:
  • PDSCH Physical Downlink Shared Channel
  • the targeted object may be the PSCELL and/or part or all of the scells.
  • the method is applied to a scenario where DAPS handover support and DC/CA are configured simultaneously.
  • a method for activating/deactivating a cell is proposed.
  • the terminal device deactivates the first secondary node SN and/or the first cell when the first condition is met; the first The condition is a handover condition from the source cell to the target cell.
  • the terminal equipment does not need to release the SN and/or the cell during the handover, and can quickly restore the SN and/or the cell after the handover is completed, thereby reducing the handover connection delay and signaling overhead.
  • FIG. 3 it is a schematic diagram of an embodiment of the terminal device in the embodiment of the present application, which may include:
  • the processing module 301 is configured to deactivate the first secondary node SN and/or the first cell when a first condition is met; the first condition is a handover condition from a source cell to a target cell.
  • the first condition includes at least one of the following:
  • a conditional reconfiguration message is received
  • conditional reconfiguration message includes a CHO/CPAC switching command.
  • processing module 301 is specifically used for at least one of the following:
  • the first cell includes at least one of a first secondary cell SCell and a first secondary cell group SCG.
  • the processing module 301 is further configured to activate the second secondary node SN and/or the second cell when the second condition is met.
  • the second condition includes at least one of the following:
  • the random access procedure initiated to the target cell is completed;
  • the first timer expires
  • the first timer is a T304 timer, or a newly configured timer.
  • processing module 301 is specifically used for at least one of the following:
  • the second cell includes at least one of a second secondary cell SCell and a second secondary cell group SCG.
  • this embodiment of the present application further provides one or more types of terminal devices.
  • the terminal device in this embodiment of the present application may implement any implementation manner in the foregoing methods.
  • FIG. 4 it is a schematic diagram of another embodiment of a terminal device in an embodiment of the present invention.
  • the terminal device is described by taking a mobile phone as an example, and may include: a radio frequency (radio frequency, RF) circuit 410, a memory 420, an input unit 430, A display unit 440 , a sensor 450 , an audio circuit 460 , a wireless fidelity (wireless fidelity, WiFi) module 470 , a processor 480 , and a power supply 490 and other components.
  • the radio frequency circuit 410 includes a receiver 414 and a transmitter 412 .
  • FIG. 4 does not constitute a limitation to the mobile phone, and may include more or less components than those shown in the illustration, or combine some components, or arrange different components.
  • the RF circuit 410 can be used for sending and receiving information or receiving and sending signals during a call.
  • the RF circuit 410 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier (low noise amplifier, LNA), a duplexer, and the like.
  • RF circuitry 410 may also communicate with networks and other devices via wireless communications.
  • the above wireless communication can use any communication standard or protocol, including but not limited to global system of mobile communication (global system of mobile communication, GSM), general packet radio service (general packet radio service, GPRS), code division multiple access (code division multiple access) multiple access (CDMA), wideband code division multiple access (WCDMA), long term evolution (LTE), e-mail, short message service (short messaging service, SMS), etc.
  • GSM global system of mobile communication
  • GPRS general packet radio service
  • code division multiple access code division multiple access
  • WCDMA wideband code division multiple access
  • LTE long term evolution
  • e-mail short message service
  • SMS short message service
  • the memory 420 can be used to store software programs and modules, and the processor 480 executes various functional applications and data processing of the mobile phone by running the software programs and modules stored in the memory 420 .
  • the memory 420 can mainly include a program storage area and a data storage area, wherein the program storage area can store an operating system, at least one application program required by a function (such as a sound playback function, an image playback function, etc.); Data created by the use of mobile phones (such as audio data, phonebook, etc.), etc.
  • the memory 420 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage devices.
  • the input unit 430 can be used to receive input numbers or character information, and generate key signal input related to user settings and function control of the mobile phone.
  • the input unit 430 may include a touch panel 431 and other input devices 432 .
  • the touch panel 431 also referred to as a touch screen, can collect touch operations of the user on or near it (for example, the user uses any suitable object or accessory such as a finger or a stylus on the touch panel 431 or near the touch panel 431). operation), and drive the corresponding connection device according to the preset program.
  • the touch panel 431 may include two parts, a touch detection device and a touch controller.
  • the touch detection device detects the user's touch orientation, and detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and sends it to the to the processor 480, and can receive and execute commands sent by the processor 480.
  • the touch panel 431 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic wave.
  • the input unit 430 may also include other input devices 432 .
  • other input devices 432 may include, but are not limited to, one or more of physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, joysticks, and the like.
  • the display unit 440 may be used to display information input by or provided to the user and various menus of the mobile phone.
  • the display unit 440 may include a display panel 441.
  • the display panel 441 may be configured in the form of a liquid crystal display (liquid crystal display, LCD) or an organic light-emitting diode (OLED).
  • the touch panel 431 may cover the display panel 441, and when the touch panel 431 detects a touch operation on or near it, it transmits to the processor 480 to determine the type of the touch event, and then the processor 480 determines the type of the touch event according to the The type provides a corresponding visual output on the display panel 441 .
  • the touch panel 431 and the display panel 441 are used as two independent components to realize the input and input functions of the mobile phone, in some embodiments, the touch panel 431 and the display panel 441 can be integrated to form a mobile phone. Realize the input and output functions of the mobile phone.
  • the handset may also include at least one sensor 450, such as a light sensor, motion sensor, and other sensors.
  • the light sensor can include an ambient light sensor and a proximity sensor, wherein the ambient light sensor can adjust the brightness of the display panel 441 according to the brightness of the ambient light, and the proximity sensor can turn off the display panel 441 and/or when the mobile phone is moved to the ear. or backlight.
  • the accelerometer sensor can detect the magnitude of acceleration in various directions (generally three axes), and can detect the magnitude and direction of gravity when it is stationary, and can be used to identify the application of mobile phone posture (such as horizontal and vertical screen switching, related Games, magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tap), etc.; as for other sensors such as gyroscope, barometer, hygrometer, thermometer, infrared sensor, etc. repeat.
  • mobile phone posture such as horizontal and vertical screen switching, related Games, magnetometer attitude calibration
  • vibration recognition related functions such as pedometer, tap
  • other sensors such as gyroscope, barometer, hygrometer, thermometer, infrared sensor, etc. repeat.
  • the audio circuit 460, the speaker 461, and the microphone 462 can provide an audio interface between the user and the mobile phone.
  • the audio circuit 460 can transmit the electrical signal converted from the received audio data to the loudspeaker 461, and the loudspeaker 461 converts it into an audio signal output; After being received, it is converted into audio data, and then the audio data is processed by the output processor 480, and then sent to another mobile phone through the RF circuit 410, or the audio data is output to the memory 420 for further processing.
  • WiFi is a short-distance wireless transmission technology.
  • the mobile phone can help users send and receive emails, browse web pages, and access streaming media through the WiFi module 470, which provides users with wireless broadband Internet access.
  • Fig. 4 shows the WiFi module 470, it can be understood that it is not an essential component of the mobile phone, and can be completely omitted as required without changing the essence of the invention.
  • the processor 480 is the control center of the mobile phone. It uses various interfaces and lines to connect various parts of the entire mobile phone. By running or executing software programs and/or modules stored in the memory 420, and calling data stored in the memory 420, execution Various functions and processing data of the mobile phone, so as to monitor the mobile phone as a whole.
  • the processor 480 may include one or more processing units; preferably, the processor 480 may integrate an application processor and a modem processor, wherein the application processor mainly processes operating systems, user interfaces, and application programs, etc. , the modem processor mainly handles wireless communications. It can be understood that the foregoing modem processor may not be integrated into the processor 480 .
  • the mobile phone also includes a power supply 490 (such as a battery) for supplying power to each component.
  • a power supply 490 (such as a battery) for supplying power to each component.
  • the power supply can be logically connected to the processor 480 through the power management system, so as to realize functions such as managing charging, discharging, and power consumption management through the power management system.
  • the mobile phone may also include a camera, a bluetooth module, etc., which will not be repeated here.
  • the processor 480 is configured to deactivate the first secondary node SN and/or the first cell when the first condition is met; the first condition is from the source cell to the target cell switching condition.
  • the first condition includes at least one of the following:
  • a conditional reconfiguration message is received
  • conditional reconfiguration message includes a CHO/CPAC switching command.
  • processor 480 is specifically used for at least one of the following:
  • the first cell includes at least one of a first secondary cell SCell and a first secondary cell group SCG.
  • the processor 480 is further configured to activate the second secondary node SN and/or the second cell when the second condition is met.
  • the second condition includes at least one of the following:
  • the random access procedure initiated to the target cell is completed;
  • the first timer expires
  • the first timer is a T304 timer, or a newly configured timer.
  • processor 480 is specifically used for at least one of the following:
  • all or part of them may be implemented by software, hardware, firmware or any combination thereof.
  • software When implemented using software, it may be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on the computer, the processes or functions according to the embodiments of the present invention will be generated in whole or in part.
  • the computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable devices.
  • the computer instructions may be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from a website, computer, server, or data center Transmission to another website site, computer, server, or data center by wired (eg, coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (eg, infrared, wireless, microwave, etc.).
  • the computer-readable storage medium may be any available medium that can be stored by a computer, or a data storage device such as a server or a data center integrated with one or more available media.
  • the available medium may be a magnetic medium (for example, a floppy disk, a hard disk, or a magnetic tape), an optical medium (for example, DVD), or a semiconductor medium (for example, a Solid State Disk (SSD)).
  • SSD Solid State Disk

Abstract

本申请实施例提供了一种去激活小区的方法、终端设备及存储介质，用于终端设备在切换时不用释放SN和/或小区，在切换完成后可以快速恢复SN和/或小区，从而，降低切换连接时延，减少信令开销。本申请实施例可以包括：终端设备在满足第一条件的情况下，去激活第一辅节点SN，和/或，第一小区；所述第一条件为从源小区到目标小区的切换条件。

Description

去激活小区的方法、终端设备及存储介质 技术领域
本申请涉及通信领域，尤其涉及一种去激活小区的方法、终端设备及存储介质。
背景技术
考虑终端设备(User Equipment，UE)能力问题，R16DAPS(DualActive Protocol Stack，双激活协议栈)切换不支持和DC(Dual-connectivity，双连接)/CA(Carrier Aggregation，载波聚合)同时配置，也就是说网络设备在为UE配置DAPS切换之前需要通过信令指示UE释放当前的辅节点(Secondary Node，SN)或辅小区(Secondary Cells，Scells)，再次接入对应的时延长，信令开销大。
发明内容
本申请实施例提供了一种去激活小区的方法、终端设备及存储介质，用于终端设备在切换时不用释放SN和/或小区，在切换完成后可以快速恢复SN和/或小区，从而，降低切换连接时延，减少信令开销。
本申请实施例的第一方面提供一种去激活小区的方法，可以包括：终端设备在满足第一条件的情况下，去激活第一辅节点SN，和/或，第一小区；所述第一条件为从源小区到目标小区的切换条件。
本申请第二方面提供一种终端设备，具有支持多个预配置的资源激活和/或去激活，从而有效支持一种或多种业务的传输，保证业务传输可靠性和时延的同时，也保证系统容量的功能。该功能可以通过硬件实现，也可以通过硬件执行相应的软件实现。该硬件或软件包括一个或多个与上述功能相对应的模块。
本发明实施例又一方面提供一种终端设备，包括：存储有可执行程序代码的存储器；与所述存储器耦合的收发器；所述收发器用于执行本发明实施例第一方面中所述的方法。
本发明实施例又一方面提供一种计算机可读存储介质，包括指令，当其在计算机上运行时，使得计算机执行如本发明第一方面中所述的方法。
本发明实施例又一方面提供一种芯片，所述芯片与所述终端设备中的存储器耦合，使得所述芯片在运行时调用所述存储器中存储的程序指令，使得所述终端设备执行如本发明第一方面中所述的方法。
本申请实施例提供的技术方案中，具有如下有益效果：
在本申请实施例中，终端设备在满足第一条件的情况下，去激活第一辅节点SN，和/或，第一小区；所述第一条件为从源小区到目标小区的切换条件。使得终端设备在切换时不用释放SN和/或小区，在切换完成后可以快速恢复SN和/或小区，从而，降低切换连接时延，减少信令开销。
附图说明
图1为本发明实施例所应用的通信系统的系统架构图；
图2为本申请实施例中去激活小区的方法的一个实施例示意图；
图3为本申请实施例中终端设备的一个实施例示意图；
图4为本发明实施例中终端设备的另一个实施例示意图。
具体实施方式
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，所描述的实施例仅仅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，本领域技术人员在没有作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。
下面先对本申请中所涉及的术语做一个简要的说明，如下所示：
1、双激活协议栈(DualActive Protocol Stack，DAPS)
移动性的中断时间是指终端设备不能与任何基站交互用户面数据包的最短时间。如11.4.2.2所述，在现有的新无线(New Radio，NR)切换流程中，当终端设备收到切换命令后，终端设备(User Equipment，UE)会断开与源小区的连接并向目标小区发起随机接入/同步过程，在这段期间内，UE的数据中断时间至少长达5ms，为了缩短用户数据的中断时间，NR引入了一种新的切换增强流程，也就是基于双激活栈的切换(DAPS切换)。
DAPS切换的主要思想是当UE收到切换命令再向目标小区发起随机接入的同时保持和源小区的数据业务，从而在切换过程中实现0ms的数据中断时间。当UE收到DAPS切换命令后，保持源小区的连接，并向目标小区发起同步过程。当同步过程/随机接入完成时，UE会进行上行数据的切换，也就是说随机接入后UE的上行数据传输会从源基站侧切换到目标基站侧。而随机接入后源基站协议栈的释放是基于网络的显示指示的，也就是说在随机接入后至释放源基站侧连接这期间，UE是可以正常接收源小区发送的下行数据，并且可以向源小区发送所述下行数据的上行反馈相关信息等。
在UE向目标小区发起随机接入期间，UE会保持对源小区的无线链路监测，若此时DAPS切换失败，UE未成功接入目标小区，且源小区未发生无线链路失败，UE可以回到与源小区的连接，从而避免了由于切换失败导致的无线资源控制(Radio Resource Control，RRC)连接重建立过程。
另一方面，UE在接入目标小区期间会同时保持对源小区的无线链路监测，如果在UE接入目标(UE向目标发起随机接入过程)期间，源小区发生了无线链路失败，UE会释放源小区且不会发起连接重建立过程。
考虑UE能力问题，R16DAPS切换不支持和DC(Dual-connectivity，双连接)/CA(Carrier Aggregation，载波聚合)同时配置，也就是说网络设备在为UE配置DAPS切换之前需要通过信令指示UE释放当前的辅节点(Secondary Node，SN)或辅小区(Secondary Cells，Scells)，再次接入对应的时延长，信令开销大。
本申请实施例结合网络设备和终端设备描述了各个实施例，其中，终端设备也可以称为用户设备(User Equipment，UE)、接入终端、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等。
终端设备可以是WLAN中的站点(STAION，ST)，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)设备、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、下一代通信系统例如NR网络中的终端设备，或者未来演进的公共陆地移动网络(Public Land Mobile Network，PLMN)网络中的终端设备等。
在本申请实施例中，终端设备可以部署在陆地上，包括室内或室外、手持、穿戴或车载；也可以部署在水面上(如轮船等)；还可以部署在空中(例如飞机、气球和卫星上等)。
在本申请实施例中，终端设备可以是手机(Mobile Phone)、平板电脑(Pad)、带无线收发功能的电脑、虚拟现实(Virtual Reality，VR)终端设备、增强现实(Augmented Reality，AR)终端设备、工业控制(industrial control)中的无线终端设备、无人驾驶(self driving)中的无线终端设备、远程医疗(remote medical)中的无线终端设备、智能电网(smart grid)中的无线终端设备、运输安全(transportation safety)中的无线终端设备、智慧城市(smart city)中的无线终端设备或智慧家庭(smart home)中的无线终端设备等。
作为示例而非限定，在本申请实施例中，该终端设备还可以是可穿戴设备。可穿戴设备也可以称为穿戴式智能设备，是应用穿戴式技术对日常穿戴进行智能化设计、开发出可以穿戴的设备的总称，如眼镜、手套、手表、服饰及鞋等。可穿戴设备即直接穿在身上，或是整合到用户的衣服或配件的一种便携式设备。可穿戴设备不仅仅是一种硬件设备，更是通过软件支持以及数据交互、云端交互来实现强大的功能。广义穿戴式智能设备包括功能全、尺寸大、可不依赖智能手机实现完整或者部分的功能，例如：智能手表或智能眼镜等，以及只 专注于某一类应用功能，需要和其它设备如智能手机配合使用，如各类进行体征监测的智能手环、智能首饰等。
在本申请实施例中，网络设备可以是用于与移动设备通信的设备，网络设备可以是WLAN中的接入点(Access Point，AP)，GSM或CDMA中的基站(Base Transceiver Station，BTS)，也可以是WCDMA中的基站(NodeB，NB)，还可以是LTE中的演进型基站(Evolutional Node B，eNB或eNodeB)，或者中继站或接入点，或者车载设备、可穿戴设备以及NR网络中的网络设备(gNB)或者未来演进的PLMN网络中的网络设备或者NTN网络中的网络设备等。
作为示例而非限定，在本申请实施例中，网络设备可以具有移动特性，例如网络设备可以为移动的设备。可选地，网络设备可以为卫星、气球站。例如，卫星可以为低地球轨道(low earth orbit，LEO)卫星、中地球轨道(medium earth orbit，MEO)卫星、地球同步轨道(geostationary earth orbit，GEO)卫星、高椭圆轨道(High Elliptical Orbit，HEO)卫星等。可选地，网络设备还可以为设置在陆地、水域等位置的基站。
在本申请实施例中，网络设备可以为小区提供服务，终端设备通过该小区使用的传输资源(例如，频域资源，或者说，频谱资源)与网络设备进行通信，该小区可以是网络设备(例如基站)对应的小区，小区可以属于宏基站，也可以属于小小区(Small cell)对应的基站，这里的小小区可以包括：城市小区(Metro cell)、微小区(Micro cell)、微微小区(Pico cell)、毫微微小区(Femto cell)等，这些小小区具有覆盖范围小、发射功率低的特点，适用于提供高速率的数据传输服务。
如图1所示，为本发明实施例所应用的通信系统的系统架构图。该通信系统可以包括网络设备，网络设备可以是与终端设备(或称为通信终端、终端)通信的设备。网络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进行通信。图1示例性地示出了一个网络设备和两个终端设备，可选地，该通信系统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，本申请实施例对此不做限定。可选地，该通信系统还可以包括网络控制器、移动管理实体等其他网络实体，本申请实施例对此不作限定。
其中，网络设备又可以包括接入网设备和核心网设备。即无线通信系统还包括用于与接入网设备进行通信的多个核心网。接入网设备可以是长期演进(long-term evolution，LTE)系统、下一代(移动通信系统)(next radio，NR)系统或者授权辅助接入长期演进(authorized auxiliary access long-term evolution，LAA-LTE)系统中的演进型基站(evolutional node B，简称可以为eNB或e-NodeB)宏基站、微基站(也称为“小基站”)、微微基站、接入站点(access point，AP)、传输站点(transmission point，TP)或新一代基站(new generation Node B，gNodeB)等。
应理解，本申请实施例中网络/系统中具有通信功能的设备可称为通信设备。以图1示出的通信系统为例，通信设备可包括具有通信功能的网络设备和终端设备，网络设备和终端设备可以为本发明实施例中所述的具体设备，此处不再赘述；通信设备还可包括通信系统中的其他设备，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。
下面以实施例的方式，对本申请技术方案做进一步的说明，如图2所示，为本申请实施例中去激活小区的方法的一个实施例示意图，可以包括：
201、终端设备在满足第一条件的情况下，去激活第一辅节点SN，和/或，第一小区；所述第一条件为从源小区到目标小区的切换条件。
可以理解的是，所述第一条件为从源小区到目标小区的切换条件，也可以理解为从源基站到目标基站的切换条件。
可选的，所述第一小区包括第一辅小区SCell和第一辅小区组SCG中的至少一项。
1、可选的，所述第一条件包括以下至少之一：
(1)收到切换命令；例如：收到了无线资源控制(Radio Resource Control，RRC)重配消息。
(2)收到配置有双激活协议栈DAPS无线数据/信令承载配置。
可以理解的是，双激活协议栈DAPS无线数据/信令承载配置，也可以称为DAPS承载。终端设备为了理解是否配置了DAPS承载，需要检查在无线承载配置(RadioBearerConfig)或radioBearerConfig2中接收的RadioBearerConfig IE(Information Elements，信息元素)中是否存在字段DAPS Config。
(3)向所述目标小区发起上行同步过程(例如：随机接入)。
(4)收到条件重配消息。
可选的，所述条件重配消息包括CHO/CPAC切换命令。
(5)条件切换(conditional handover，CHO)的条件满足时。
可以理解的是，CHO的核心思想是让终端设备来根据测量结果选择目标基站并发起切换执行过程，向目标小区发起随机接入。这样可以避免在终端设备UE和源基站进行信令交互，以及源基站和目标基站进行信令交互的时间内，由于无线链路状态变化导致的UE切换失败的情况发生。通过这种方式，CHO提高了用户切换过程中的鲁棒性。
可以理解的是，一个执行条件可以由一个或两个触发条件组成(如CHO事件A3/A5)。仅支持单个参考信号类型，最多可同时配置两个不同的触发量(例如RSRP(Reference Signal Receiving Power，参考信号接收功率)和RSRQ(Reference Signal Receiving Quality，参考信号接收质量)、RSRP和SINR(Signal to Interference plus Noise Ratio，信号与干扰加噪声比)等)，以评估单个候选小区的CHO执行条件。示例性的，CHO的条件满足，可以为RSRP和/或RSRQ满足网络设备配置的阈值；RSRP和/或SINR满足网络设 备配置的阈值等。
(6)条件辅小区组添加/更换(conditional PScell change/addition，CPAC)的条件满足时。
示例性的，CPAC的条件满足，可以为RSRP(Reference Signal Receiving Power，参考信号接收功率)满足网络设备配置的阈值，或，RSRQ(Reference Signal Receiving Quality，参考信号接收质量)满足网络设备配置的阈值，或，SINR(Signal to Interference plus Noise Ratio，信号与干扰加噪声比)满足网络设备配置的阈值等。
(7)执行条件切换CHO时。
示例性的，UE在接收到CHO配置之后保持与源基站的连接，并开始评估候选小区的CHO执行条件。如果至少一个CHO候选小区满足相应的CHO执行条件，则UE从源基站分离，为所选候选小区应用存储的相应配置，同步到该候选小区，并通过向目标基站发送RRC重配置完成(RRCReconfigurationComplete)消息来完成RRC切换过程。在成功完成RRC切换过程之后，UE释放存储的CHO配置。
(8)执行CPAC时。
及(9)收到配置了双激活协议栈DAPS与CHO/CPAC的重配消息。
2、可选的，所述去激活第一辅节点SN，和/或，第一小区，所述终端设备的行为包括以下至少之一：
(1)挂起或暂停(Suspand)第一SN/第一辅小区组(Secondary Cell group，SCG)对应的协议栈。
(2)停止第一SN/第一SCG/第一辅小区(Secondary Cell，SCell(s))的数据传输；其中，数据传输也可以理解为数据收发。
(3)启动第一定时器。
可选的，所述第一定时器为T304定时器，或新配置的定时器。
(4)停止监听物理下行控制信道(Physical Downlink Control Channel，PDCCH)。
(5)停止接收物理下行共享信道(Physical Downlink Shared Channel，PDSCH)。
(6)释放半静态调度(Semi Persistent Scheduling，SPS)的下行授权(Down Link grant)。
(7)停止发送上行信道探测参考信号(Sounding Reference Signal，SRS)。
(8)停止发送物理上行共享信道(Physical Uplink Shared Channel，PUSCH)。
(9)释放/挂起上行预配置资源(Configured Grant，CG)的授权。
示例性的，释放type 2(类型2)CG的UL grant。挂起(Suspend)type 1 CG。
可以理解的是，预配置资源，是用于UE传输上行数据的资源，可以基于网络设备的动态调度(例如通过下行控制信息(Downlink Control Information，DCI)指示)，也可以基于网络设备预配置的一组周期性的出现的上行资源。上行CG可分分为Type1和Type2两种类型。
CG Type1由无线资源控制(Radio Resource Control，RRC)参数ConfiguredGrantConfig配置，可以包括时域资源、频域资源、解调参考信号(Demodulation Reference Signal，DMRS)、开环功控、调制编码方案(Modulation and Coding Scheme，MCS)、波形、冗余版本、重复次数、调频、混合自动重传请求(Hybrid Automatic Repeat reQuest，HARQ)进程等参数。UE在接收到高层配置后，即可使用配置的CG type1资源进行上行数据传输，不需要额外的激活步骤。
CG Type2同样通过RRC参数ConfiguredGrantConfig配置，但不包含rrc-ConfiguredUplinkGrant域中指示的信息，所配置的CG Type2资源的激活通过配置调度无线网络临时标识(Configured Scheduling Radio Network Tempory Identity，CS-RNTI)加扰的DCI指示，并同时配置包括时域资源、频域资源、DMRS、MCS等传输资源和传输参数。UE在接收到高层配置后，不可使用CG Type2资源，必须等收到相应的DCI激活指令和配置信息后，才能进行上行数据传输。
注：ConfiguredGrantConfig中的rrc-ConfiguredUplinkGrant域用以区分Type1和Type1，如果该字段配置，则表示当前配置为CG Type1，否则为CG Type2。
UE根据网络配置，确定CG资源对应的HARQ进程，当UE利用某一HARQ进行对应的CG资源完成上行数据传输后，启动CG timer(CG定时器)。在CG timer运行期间内，UE不可使用具有相同HARQ进程的CG资源进行数据新传，以避免HARQ buffer(缓存)中的数据被其他数据覆盖。当CG timer超时时，隐式指示相应HARQ进程传输的数据已被网络正确接收。为了支持高可靠和低延迟通信(Ultra-reliable and Low Latency Communications，URLLC)业务的高时延要求，URLLC增强了CG周期，支持任意时隙等级(slot-level)的业务周期。
(10)去激活所有SCG SCell。
可以理解的是，终端设备去激活所有SCG SCell，即所有SCG SCell进入去激活状态，无论之前是什么小区状态。具体可以是激活所有SCG的所有SCell，也可以是激活所有SCG的至少一个SCell，具体此处不做限定。
(11)去激活主辅小区(Primary Secondary Cell，PSCell)。
(12)激活PSCell的休眠(dormant)带宽部分(Bandwidth Part，BWP)。
(13)执行PSCell的信道状态信息(Channel State Information，CSI)测量。
(14)上报CSI测量报告。
(15)执行波束(beam)测量。
(16)执行波束管理。
可以理解的是，在(14)、(15)和(16)中，针对的对象可以是PSCELL和/或部分或者全部scell。
(17)执行无线资源管理(Radio Resource Management，RRM)测量。
(18)上报RRM测量报告。
可以理解的是，在(17)和(18)中，针对的对象可以是PSCELL和/或部分或者全部scell。RRM测量可以是主节点(Master node，MN)配置，还可以是辅节点(secondary node，SN)配置。
202、所述终端设备在满足第二条件的情况下，激活第二辅节点SN，和/或，第二小区。
可选的，第二条件为完成从源小区到目标小区的切换，也可以理解为完成从源基站到目标基站的切换。
可选的，所述第二小区包括第二辅小区SCell和第二辅助小区组SCG中的至少一项。
1、可选的，所述第二条件包括以下至少之一：
(1)向所述目标小区发起的随机接入流程完成。
(2)向所述目标小区的随机接入竞争冲突解决时。
(3)收到网络设备发送的激活指示。
(4)向所述网络设备发送重配完成消息。
(5)第一定时器超时。
可选的，所述第一定时器为T304定时器，或新配置的定时器。
及(6)收到所述网络设备发送的释放源小区指示时。
2、可选的，所述激活第二辅节点SN，和/或，第二小区，所述终端设备的行为包括以下至少之一：
(1)恢复第二SN/第二辅小区SCG对应的协议栈。
(2)恢复第二SN/第二SCG/第二辅小区SCell(s)的数据传输。
(3)监听物理下行控制信道(Physical Downlink Control Channel，PDCCH)。
(4)接收物理下行共享信道(Physical Downlink Shared Channel，PDSCH)。
(5)执行下行信道状态信息CSI测量。
(6)上报CSI测量报告。
可以理解的是，在(5)和(6)中，针对的对象可以是PSCELL和/或部分或者全部scell。
(7)发送物理上行共享信道PUSCH。
(8)发送物理上行控制信道PUCCH。
(9)发送上行信道探测参考信号(Sounding Reference Signal，SRS)。
及(10)重新初始化已挂起的上行预配置资源。
可选的，所述方法应用于DAPS切换支持和DC/CA同时配置的场景。
在本申请实施例中，提出了一种激活/去激活小区的方法，终端设备在满足第一条件的情况下，去激活第一辅节点SN，和/或，第一小区；所述第一条件为从源小区到目标小区的切换条件。使得终端设备在切换时不用释放SN和/或小区，在切换完成后可以快速恢复SN和/或小区，从而，降低切换连接时延，减少信令开销。
如图3所示，为本申请实施例中终端设备的一个实施例示意图，可以包括：
处理模块301，用于在满足第一条件的情况下，去激活第一辅节点SN，和/或，第一小区；所述第一条件为从源小区到目标小区的切换条件。
可选的，所述第一条件包括以下至少之一：
收到切换命令；
收到配置有双激活协议栈DAPS无线数据/信令承载配置；
向所述目标小区发起上行同步过程；
收到条件重配消息；
条件切换CHO的条件满足时；
条件辅小区组添加/更换CPAC的条件满足时；
执行条件切换CHO时；
执行CPAC时；
及收到配置了双激活协议栈DAPS与CHO/CPAC的重配消息。
可选的，所述条件重配消息包括CHO/CPAC切换命令。
可选的，处理模块301，具体用于以下至少之一：
挂起第一SN/第一辅小区组SCG对应的协议栈；
停止第一SN/第一SCG/第一辅小区SCell的数据传输；
启动第一定时器；
停止监听物理下行控制信道PDCCH；
停止接收物理下行共享信道PDSCH；
释放半静态调度SPS的下行授权；
停止发送上行信道探测参考信号SRS；
停止发送物理上行共享信道PUSCH；
释放/挂起上行预配置资源的授权；
去激活所有SCG SCell；
去激活主辅小区PSCell；
激活PSCell的休眠带宽部分BWP；
执行PSCell的信道状态信息CSI测量；
上报CSI测量报告；
执行波束测量；
执行波束管理；
执行无线资源管理RRM测量；
上报RRM测量报告。
可选的，所述第一小区包括第一辅小区SCell和第一辅小区组SCG中的至少一项。
可选的，处理模块301，还用于在满足第二条件的情况下，激活第二辅节点SN，和/或，第二小区。
可选的，所述第二条件包括以下至少之一：
向所述目标小区发起的随机接入流程完成；
向所述目标小区的随机接入竞争冲突解决时；
收到网络设备发送的激活指示；
向所述网络设备发送重配完成消息；
第一定时器超时；
及收到所述网络设备发送的释放所述源小区指示时。
可选的，所述第一定时器为T304定时器，或新配置的定时器。
可选的，处理模块301，具体用于以下至少之一：
恢复第二SN/第二辅小区SCG对应的协议栈；
恢复第二SN/第二SCG/第二辅小区SCell的数据传输；
监听物理下行控制信道PDCCH；
接收物理下行共享信道PDSCH；
执行下行信道状态信息CSI测量；
上报CSI测量报告；
发送物理上行共享信道PUSCH；
发送物理上行控制信道PUCCH；
发送上行信道探测参考信号SRS；
重新初始化已挂起的上行预配置资源。
可选的，所述第二小区包括第二辅小区SCell和第二辅助小区组SCG中的至少一项。
与上述至少一个应用于终端设备的实施例的方法相对应地，本申请实施例还提供一种或多种终端设备。本申请实施例的终端设备可以实施上述方法中的任意一种实现方式。如图4所示，为本发明实施例中终端设备的另一个实施例示意图，终端设备以手机为例进行说明，可以包括：射频(radio frequency，RF)电路410、存储器420、输入单元430、显示单元440、传感器450、音频电路460、无线保真(wireless fidelity，WiFi)模块470、处理器480、以及电源490等部件。其中，射频电路410包括接收器414和发送器412。本领 域技术人员可以理解，图4中示出的手机结构并不构成对手机的限定，可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。
下面结合图4对手机的各个构成部件进行具体的介绍：
RF电路410可用于收发信息或通话过程中，信号的接收和发送，特别地，将基站的下行信息接收后，给处理器480处理；另外，将设计上行的数据发送给基站。通常，RF电路410包括但不限于天线、至少一个放大器、收发信机、耦合器、低噪声放大器(low noise amplifier，LNA)、双工器等。此外，RF电路410还可以通过无线通信与网络和其他设备通信。上述无线通信可以使用任一通信标准或协议，包括但不限于全球移动通讯系统(global system of mobile communication，GSM)、通用分组无线服务(general packet radio service，GPRS)、码分多址(code division multiple access，CDMA)、宽带码分多址(wideband code division multiple access，WCDMA)、长期演进(long term evolution，LTE)、电子邮件、短消息服务(short messaging service，SMS)等。
存储器420可用于存储软件程序以及模块，处理器480通过运行存储在存储器420的软件程序以及模块，从而执行手机的各种功能应用以及数据处理。存储器420可主要包括存储程序区和存储数据区，其中，存储程序区可存储操作系统、至少一个功能所需的应用程序(比如声音播放功能、图像播放功能等)等；存储数据区可存储根据手机的使用所创建的数据(比如音频数据、电话本等)等。此外，存储器420可以包括高速随机存取存储器，还可以包括非易失性存储器，例如至少一个磁盘存储器件、闪存器件、或其他易失性固态存储器件。
输入单元430可用于接收输入的数字或字符信息，以及产生与手机的用户设置以及功能控制有关的键信号输入。具体地，输入单元430可包括触控面板431以及其他输入设备432。触控面板431，也称为触摸屏，可收集用户在其上或附近的触摸操作(比如用户使用手指、触笔等任何适合的物体或附件在触控面板431上或在触控面板431附近的操作)，并根据预先设定的程式驱动相应的连接装置。可选的，触控面板431可包括触摸检测装置和触摸控制器两个部分。其中，触摸检测装置检测用户的触摸方位，并检测触摸操作带来的信号，将信号传送给触摸控制器；触摸控制器从触摸检测装置上接收触摸信息，并将它转换成触点坐标，再送给处理器480，并能接收处理器480发来的命令并加以执行。此外，可以采用电阻式、电容式、红外线以及表面声波等多种类型实现触控面板431。除了触控面板431，输入单元430还可以包括其他输入设备432。具体地，其他输入设备432可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆等中的一种或多种。
显示单元440可用于显示由用户输入的信息或提供给用户的信息以及手机的各种菜单。显示单元440可包括显示面板441，可选的，可以采用液晶显 示器(liquid crystal display，LCD)、有机发光二极管(organic light-Emitting diode，OLED)等形式来配置显示面板441。进一步的，触控面板431可覆盖显示面板441，当触控面板431检测到在其上或附近的触摸操作后，传送给处理器480以确定触摸事件的类型，随后处理器480根据触摸事件的类型在显示面板441上提供相应的视觉输出。虽然在图4中，触控面板431与显示面板441是作为两个独立的部件来实现手机的输入和输入功能，但是在某些实施例中，可以将触控面板431与显示面板441集成而实现手机的输入和输出功能。
手机还可包括至少一种传感器450，比如光传感器、运动传感器以及其他传感器。具体地，光传感器可包括环境光传感器及接近传感器，其中，环境光传感器可根据环境光线的明暗来调节显示面板441的亮度，接近传感器可在手机移动到耳边时，关闭显示面板441和/或背光。作为运动传感器的一种，加速计传感器可检测各个方向上(一般为三轴)加速度的大小，静止时可检测出重力的大小及方向，可用于识别手机姿态的应用(比如横竖屏切换、相关游戏、磁力计姿态校准)、振动识别相关功能(比如计步器、敲击)等；至于手机还可配置的陀螺仪、气压计、湿度计、温度计、红外线传感器等其他传感器，在此不再赘述。
音频电路460、扬声器461，传声器462可提供用户与手机之间的音频接口。音频电路460可将接收到的音频数据转换后的电信号，传输到扬声器461，由扬声器461转换为声音信号输出；另一方面，传声器462将收集的声音信号转换为电信号，由音频电路460接收后转换为音频数据，再将音频数据输出处理器480处理后，经RF电路410以发送给比如另一手机，或者将音频数据输出至存储器420以便进一步处理。
WiFi属于短距离无线传输技术，手机通过WiFi模块470可以帮助用户收发电子邮件、浏览网页和访问流式媒体等，它为用户提供了无线的宽带互联网访问。虽然图4示出了WiFi模块470，但是可以理解的是，其并不属于手机的必须构成，完全可以根据需要在不改变发明的本质的范围内而省略。
处理器480是手机的控制中心，利用各种接口和线路连接整个手机的各个部分，通过运行或执行存储在存储器420内的软件程序和/或模块，以及调用存储在存储器420内的数据，执行手机的各种功能和处理数据，从而对手机进行整体监控。可选的，处理器480可包括一个或多个处理单元；优选的，处理器480可集成应用处理器和调制解调处理器，其中，应用处理器主要处理操作系统、用户界面和应用程序等，调制解调处理器主要处理无线通信。可以理解的是，上述调制解调处理器也可以不集成到处理器480中。
手机还包括给各个部件供电的电源490(比如电池)，优选的，电源可以通过电源管理系统与处理器480逻辑相连，从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。尽管未示出，手机还可以包括摄像头、蓝牙 模块等，在此不再赘述。
在本申请实施例中，处理器480，用于在满足第一条件的情况下，去激活第一辅节点SN，和/或，第一小区；所述第一条件为从源小区到目标小区的切换条件。
可选的，所述第一条件包括以下至少之一：
收到切换命令；
收到配置有双激活协议栈DAPS无线数据/信令承载配置；
向所述目标小区发起上行同步过程；
收到条件重配消息；
条件切换CHO的条件满足时；
条件辅小区组添加/更换CPAC的条件满足时；
执行条件切换CHO时；
执行CPAC时；
及收到配置了双激活协议栈DAPS与CHO/CPAC的重配消息。
可选的，所述条件重配消息包括CHO/CPAC切换命令。
可选的，处理器480，具体用于以下至少之一：
挂起第一SN/第一辅小区组SCG对应的协议栈；
停止第一SN/第一SCG/第一辅小区SCell的数据传输；
启动第一定时器；
停止监听物理下行控制信道PDCCH；
停止接收物理下行共享信道PDSCH；
释放半静态调度SPS的下行授权；
停止发送上行信道探测参考信号SRS；
停止发送物理上行共享信道PUSCH；
释放/挂起上行预配置资源的授权；
去激活所有SCG SCell；
去激活主辅小区PSCell；
激活PSCell的休眠带宽部分BWP；
执行PSCell的信道状态信息CSI测量；
上报CSI测量报告；
执行波束测量；
执行波束管理；
执行无线资源管理RRM测量；
上报RRM测量报告。
可选的，所述第一小区包括第一辅小区SCell和第一辅小区组SCG中的至少一项。
可选的，处理器480，还用于在满足第二条件的情况下，激活第二辅节点 SN，和/或，第二小区。
可选的，所述第二条件包括以下至少之一：
向所述目标小区发起的随机接入流程完成；
向所述目标小区的随机接入竞争冲突解决时；
收到网络设备发送的激活指示；
向所述网络设备发送重配完成消息；
第一定时器超时；
及收到所述网络设备发送的释放所述源小区指示时。
可选的，所述第一定时器为T304定时器，或新配置的定时器。
可选的，处理器480，具体用于以下至少之一：
恢复第二SN/第二辅小区SCG对应的协议栈；
恢复第二SN/第二SCG/第二辅小区SCell的数据传输；
监听物理下行控制信道PDCCH；
接收物理下行共享信道PDSCH；
执行下行信道状态信息CSI测量；
上报CSI测量报告；
发送物理上行共享信道PUSCH；
发送物理上行控制信道PUCCH；
发送上行信道探测参考信号SRS；
及重新初始化已挂起的上行预配置资源。
在上述实施例中，可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时，可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行所述计算机程序指令时，全部或部分地产生按照本发明实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。所述计算机指令可以存储在计算机可读存储介质中，或者从一个计算机可读存储介质向另一计算机可读存储介质传输，例如，所述计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够存储的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质，(例如，软盘、硬盘、磁带)、光介质(例如，DVD)、或者半导体介质(例如固态硬盘Solid State Disk(SSD))等。
本申请的说明书和权利要求书及上述附图中的术语“第一”、“第二”、“第三”、“第四”等(如果存在)是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以 便这里描述的实施例能够以除了在这里图示或描述的内容以外的顺序实施。此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含，例如，包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。

Claims (31)

  1. 一种去激活小区的方法，其特征在于，包括：
    终端设备在满足第一条件的情况下，去激活第一辅节点SN，和/或，第一小区；
    所述第一条件为从源小区到目标小区的切换条件。
  2. 根据权利要求1所述的方法，其特征在于，所述第一条件包括以下至少之一：
    收到切换命令；
    收到配置有双激活协议栈DAPS无线数据/信令承载配置；
    向所述目标小区发起上行同步过程；
    收到条件重配消息；
    条件切换CHO的条件满足时；
    条件辅小区组添加/更换CPAC的条件满足时；
    执行条件切换CHO时；
    执行CPAC时；
    及收到配置了双激活协议栈DAPS与CHO/CPAC的重配消息。
  3. 根据权利要求2所述的方法，其特征在于，所述条件重配消息包括CHO/CPAC切换命令。
  4. 根据权利要求1-3中任一项所述的方法，其特征在于，所述去激活第一辅节点SN，和/或，第一小区，所述终端设备的行为包括以下至少之一：
    挂起第一SN/第一辅小区组SCG对应的协议栈；
    停止第一SN/第一SCG/第一辅小区SCell的数据传输；
    启动第一定时器；
    停止监听物理下行控制信道PDCCH；
    停止接收物理下行共享信道PDSCH；
    释放半静态调度SPS的下行授权；
    停止发送上行信道探测参考信号SRS；
    停止发送物理上行共享信道PUSCH；
    释放/挂起上行预配置资源的授权；
    去激活所有SCG SCell；
    去激活主辅小区PSCell；
    激活PSCell的休眠带宽部分BWP；
    执行PSCell的信道状态信息CSI测量；
    上报CSI测量报告；
    执行波束测量；
    执行波束管理；
    执行无线资源管理RRM测量；
    上报RRM测量报告。
  5. 根据权利要求1-4中任一项所述的方法，其特征在于，所述第一小区包括第一辅小区SCell和第一辅小区组SCG中的至少一项。
  6. 根据权利要求1-5中任一项所述的方法，其特征在于，所述方法还包括：
    所述终端设备在满足第二条件的情况下，激活第二辅节点SN，和/或，第二小区。
  7. 根据权利要求6所述的方法，其特征在于，所述第二条件包括以下至少之一：
    向所述目标小区发起的随机接入流程完成；
    向所述目标小区的随机接入竞争冲突解决时；
    收到网络设备发送的激活指示；
    向所述网络设备发送重配完成消息；
    第一定时器超时；
    及收到所述网络设备发送的释放所述源小区指示时。
  8. 根据权利要求4或7所述的方法，其特征在于，所述第一定时器为T304定时器，或新配置的定时器。
  9. 根据权利要求7或8所述的方法，其特征在于，所述激活第二辅节点SN，和/或，第二小区，所述终端设备的行为包括以下至少之一：
    恢复第二SN/第二辅小区SCG对应的协议栈；
    恢复第二SN/第二SCG/第二辅小区SCell的数据传输；
    监听物理下行控制信道PDCCH；
    接收物理下行共享信道PDSCH；
    执行下行信道状态信息CSI测量；
    上报CSI测量报告；
    发送物理上行共享信道PUSCH；
    发送物理上行控制信道PUCCH；
    发送上行信道探测参考信号SRS；
    及重新初始化已挂起的上行预配置资源。
  10. 根据权利要求7-9中任一项所述的方法，其特征在于，所述第二小区包括第二辅小区SCell和第二辅助小区组SCG中的至少一项。
  11. 一种终端设备，其特征在于，包括：
    处理模块，用于在满足第一条件的情况下，去激活第一辅节点SN，和/或，第一小区；所述第一条件为从源小区到目标小区的切换条件。
  12. 根据权利要求11所述的终端设备，其特征在于，所述第一条件包括以下至少之一：
    收到切换命令；
    收到配置有双激活协议栈DAPS无线数据/信令承载配置；
    向所述目标小区发起上行同步过程；
    收到条件重配消息；
    条件切换CHO的条件满足时；
    条件辅小区组添加/更换CPAC的条件满足时；
    执行条件切换CHO时；
    执行CPAC时；
    及收到配置了双激活协议栈DAPS与CHO/CPAC的重配消息。
  13. 根据权利要求12所述的终端设备，其特征在于，所述条件重配消息包括CHO/CPAC切换命令。
  14. 根据权利要求11-13中任一项所述的终端设备，其特征在于，所述处理模块，具体用于以下至少之一：
    挂起第一SN/第一辅小区组SCG对应的协议栈；
    停止第一SN/第一SCG/第一辅小区SCell的数据传输；
    启动第一定时器；
    停止监听物理下行控制信道PDCCH；
    停止接收物理下行共享信道PDSCH；
    释放半静态调度SPS的下行授权；
    停止发送上行信道探测参考信号SRS；
    停止发送物理上行共享信道PUSCH；
    释放/挂起上行预配置资源的授权；
    去激活所有SCG SCell；
    去激活主辅小区PSCell；
    激活PSCell的休眠带宽部分BWP；
    执行PSCell的信道状态信息CSI测量；
    上报CSI测量报告；
    执行波束测量；
    执行波束管理；
    执行无线资源管理RRM测量；
    上报RRM测量报告。
  15. 根据权利要求11-14中任一项所述的终端设备，其特征在于，所述第一小区包括第一辅小区SCell和第一辅小区组SCG中的至少一项。
  16. 根据权利要求11-15中任一项所述的终端设备，其特征在于，
    所述处理模块，还用于在满足第二条件的情况下，激活第二辅节点SN，和/或，第二小区。
  17. 根据权利要求16所述的终端设备，其特征在于，所述第二条件包括 以下至少之一：
    向所述目标小区发起的随机接入流程完成；
    向所述目标小区的随机接入竞争冲突解决时；
    收到网络设备发送的激活指示；
    向所述网络设备发送重配完成消息；
    第一定时器超时；
    及收到所述网络设备发送的释放所述源小区指示时。
  18. 根据权利要求14或17所述的终端设备，其特征在于，所述第一定时器为T304定时器，或新配置的定时器。
  19. 根据权利要求17或18所述的终端设备，其特征在于，所述处理模块，具体用于以下至少之一：
    恢复第二SN/第二辅小区SCG对应的协议栈；
    恢复第二SN/第二SCG/第二辅小区SCell的数据传输；
    监听物理下行控制信道PDCCH；
    接收物理下行共享信道PDSCH；
    执行下行信道状态信息CSI测量；
    上报CSI测量报告；
    发送物理上行共享信道PUSCH；
    发送物理上行控制信道PUCCH；
    发送上行信道探测参考信号SRS；
    重新初始化已挂起的上行预配置资源。
  20. 根据权利要求17-19中任一项所述的终端设备，其特征在于，所述第二小区包括第二辅小区SCell和第二辅助小区组SCG中的至少一项。
  21. 一种终端设备，其特征在于，包括：
    存储有可执行程序代码的存储器；
    与所述存储器耦合的处理器；
    所述处理器，用于在满足第一条件的情况下，去激活第一辅节点SN，和/或，第一小区；所述第一条件为从源小区到目标小区的切换条件。
  22. 根据权利要求21所述的终端设备，其特征在于，所述第一条件包括以下至少之一：
    收到切换命令；
    收到配置有双激活协议栈DAPS无线数据/信令承载配置；
    向所述目标小区发起上行同步过程；
    收到条件重配消息；
    条件切换CHO的条件满足时；
    条件辅小区组添加/更换CPAC的条件满足时；
    执行条件切换CHO时；
    执行CPAC时；
    及收到配置了双激活协议栈DAPS与CHO/CPAC的重配消息。
  23. 根据权利要求22所述的终端设备，其特征在于，所述条件重配消息包括CHO/CPAC切换命令。
  24. 根据权利要求21-23中任一项所述的终端设备，其特征在于，所述处理模块，具体用于以下至少之一：
    挂起第一SN/第一辅小区组SCG对应的协议栈；
    停止第一SN/第一SCG/第一辅小区SCell的数据传输；
    启动第一定时器；
    停止监听物理下行控制信道PDCCH；
    停止接收物理下行共享信道PDSCH；
    释放半静态调度SPS的下行授权；
    停止发送上行信道探测参考信号SRS；
    停止发送物理上行共享信道PUSCH；
    释放/挂起上行预配置资源的授权；
    去激活所有SCG SCell；
    去激活主辅小区PSCell；
    激活PSCell的休眠带宽部分BWP；
    执行PSCell的信道状态信息CSI测量；
    上报CSI测量报告；
    执行波束测量；
    执行波束管理；
    执行无线资源管理RRM测量；
    上报RRM测量报告。
  25. 根据权利要求21-24中任一项所述的终端设备，其特征在于，所述第一小区包括第一辅小区SCell和第一辅小区组SCG中的至少一项。
  26. 根据权利要求21-25中任一项所述的终端设备，其特征在于，
    所述处理模块，还用于在满足第二条件的情况下，激活第二辅节点SN，和/或，第二小区。
  27. 根据权利要求26所述的终端设备，其特征在于，所述第二条件包括以下至少之一：
    向所述目标小区发起的随机接入流程完成；
    向所述目标小区的随机接入竞争冲突解决时；
    收到网络设备发送的激活指示；
    向所述网络设备发送重配完成消息；
    第一定时器超时；
    及收到所述网络设备发送的释放所述源小区指示时。
  28. 根据权利要求24或27所述的终端设备，其特征在于，所述第一定时器为T304定时器，或新配置的定时器。
  29. 根据权利要求27或28所述的终端设备，其特征在于，所述处理模块，具体用于以下至少之一：
    恢复第二SN/第二辅小区SCG对应的协议栈；
    恢复第二SN/第二SCG/第二辅小区SCell的数据传输；
    监听物理下行控制信道PDCCH；
    接收物理下行共享信道PDSCH；
    执行下行信道状态信息CSI测量；
    上报CSI测量报告；
    发送物理上行共享信道PUSCH；
    发送物理上行控制信道PUCCH；
    发送上行信道探测参考信号SRS；
    及重新初始化已挂起的上行预配置资源。
  30. 根据权利要求27-29中任一项所述的终端设备，其特征在于，所述第二小区包括第二辅小区SCell和第二辅助小区组SCG中的至少一项。
  31. 一种计算机可读存储介质，包括指令，当其在处理器上运行时，使得处理器执行如权利要求1-10中任一项所述的方法。
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