WO2020061962A1 - Procédé de temporisation de transfert intercellulaire, dispositif terminal et dispositif de réseau - Google Patents

Procédé de temporisation de transfert intercellulaire, dispositif terminal et dispositif de réseau Download PDF

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Publication number
WO2020061962A1
WO2020061962A1 PCT/CN2018/108139 CN2018108139W WO2020061962A1 WO 2020061962 A1 WO2020061962 A1 WO 2020061962A1 CN 2018108139 W CN2018108139 W CN 2018108139W WO 2020061962 A1 WO2020061962 A1 WO 2020061962A1
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WIPO (PCT)
Prior art keywords
network device
target network
timer
connection
fails
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PCT/CN2018/108139
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English (en)
Chinese (zh)
Inventor
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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Publication date
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 CN201880092310.7A priority Critical patent/CN112106403B/zh
Priority to PCT/CN2018/108139 priority patent/WO2020061962A1/fr
Priority to TW108134952A priority patent/TW202025842A/zh
Publication of WO2020061962A1 publication Critical patent/WO2020061962A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/34—Reselection control
    • H04W36/36—Reselection control by user or terminal equipment
    • H04W36/362—Conditional handover

Definitions

  • the present invention relates to the field of information processing technology, and in particular, to a switching timing method, a terminal device, a network device, a chip, a computer-readable storage medium, a computer program product, and a computer program.
  • the handover may fail during the handover process.
  • reasons for the handover failure are T304 timeout; T307 timeout; T312 timeout, etc.
  • the terminal device needs to initiate a radio resource control (RRC, Radio Resource Control) connection Re-established.
  • RRC Radio Resource Control
  • the target base station For the handover process of the terminal device, there may be a way to configure multiple target base stations for the terminal device, so that when the terminal device performs the handover, the target base station can be selected as soon as possible to ensure that the terminal device completes the handover process quickly.
  • how to control the connection of the terminal device is a problem to be solved.
  • embodiments of the present invention provide a switching timing method, a terminal device, a network device, a chip, a computer-readable storage medium, a computer program product, and a computer program.
  • an embodiment of the present invention provides a handover timing method, which is applied to a terminal device and includes:
  • an embodiment of the present invention provides a switching timing method, which is applied to a source network device and includes:
  • the terminal device is configured with at least one timer for at least one target network device, and / or a common timer; wherein the duration of the common timer is at least greater than the maximum duration of the timer for at least one target network device.
  • an embodiment of the present invention provides a terminal device, including:
  • the first communication unit receives at least one timer for at least one target network device, and / or a common timer; wherein the duration of the common timer is at least greater than the maximum duration of the timer for at least one target network device.
  • an embodiment of the present invention provides a source network device, including:
  • the second communication unit configures the terminal device with at least one timer for at least one target network device, and / or a common timer; wherein the duration of the common timer is at least longer than that of the timer for at least one target network device. Maximum duration.
  • an embodiment of the present invention provides 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, and execute the method in the above-mentioned first aspect or its implementations.
  • 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 second aspect or the implementations thereof.
  • a chip is provided for implementing any one of the first to second aspects or a method in each implementation thereof.
  • the chip includes a processor for invoking and running a computer program from a memory, so that a device installed with the chip executes any one of the first aspect to the second aspect described above or implementations thereof. method.
  • a computer-readable storage medium for storing a computer program that causes a computer to execute the method in any one of the first to second aspects described above or in its implementations.
  • a computer program product including computer program instructions that cause a computer to execute the method in any one of the first to second aspects described above or in various implementations thereof.
  • a computer program that, when run on a computer, causes the computer to execute the method in any one of the first to second aspects described above or in its implementations.
  • a terminal device can configure at least one timer corresponding to at least one target network device and / or a common timer during a handover stage; so that the terminal device is configured with at least one target network device.
  • switching processing is controlled based on a corresponding timer and / or a common timer, so as to ensure processing efficiency of re-establishing a connection with a target network device.
  • FIG. 1 is a schematic diagram 1 of a communication system architecture according to an embodiment of the present application.
  • FIG. 2 is a first schematic flowchart of a handover timing method according to an embodiment of the present application
  • FIG. 3 is a schematic diagram of a handover processing scenario according to an embodiment of the present invention.
  • FIG. 4 is a second schematic flowchart of a handover timing method according to an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of a terminal device according to an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a network device according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a communication device according to an embodiment of the present invention.
  • FIG. 8 is a schematic block diagram of a chip according to an embodiment of the present application.
  • FIG. 9 is a schematic diagram 2 of a communication system architecture provided by an embodiment of the present application.
  • GSM Global System for Mobile
  • CDMA Code Division Multiple Access
  • Wideband Code Division Multiple Access Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LTE Frequency Division Duplex Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Global Interoperability for Microwave Access
  • the communication system 100 applied in the embodiment of the present application may be shown in FIG. 1.
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal device 120 (or a communication terminal or a terminal).
  • the network device 110 may provide communication coverage for a specific geographic area, and may communicate with terminal devices located within the coverage area.
  • the network device 110 may be a network device (Base Transceiver Station, BTS) in a GSM system or a CDMA system, or a network device (NodeB, NB) in a WCDMA system, or may be an evolution in an LTE system.
  • BTS Base Transceiver Station
  • NodeB NodeB
  • Type network equipment (Evolutional NodeB, eNB or eNodeB), or a wireless controller in a Cloud Radio Access Network (CRAN), or the network equipment may be a mobile switching center, relay station, access point, Vehicle-mounted devices, wearable devices, hubs, switches, bridges, routers, network-side devices in 5G networks, or network devices in public land mobile networks (PLMN) that will evolve in the future.
  • Evolutional NodeB, eNB or eNodeB or a wireless controller in a Cloud Radio Access Network (CRAN)
  • the network equipment may be a mobile switching center, relay station, access point, Vehicle-mounted devices, wearable devices, hubs, switches, bridges, routers, network-side devices in 5G networks, or network devices in public land mobile networks (PLMN) that will evolve in the future.
  • PLMN public land mobile networks
  • the communication system 100 further includes at least one terminal device 120 located within a coverage area of the network device 110.
  • terminal equipment used herein includes, but is not limited to, connection via wired lines, such as via Public Switched Telephone Networks (PSTN), 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 networks, AM- FM broadcast transmitter; and / or another terminal device configured to receive / transmit communication signals; and / or Internet of Things (IoT) devices.
  • PSTN Public Switched Telephone Networks
  • DSL Digital Subscriber Line
  • WLAN Wireless Local Area Networks
  • DVB-H Digital Video Broadband
  • satellite networks satellite networks
  • AM- FM broadcast transmitter AM- FM broadcast transmitter
  • IoT Internet of Things
  • a terminal device configured to communicate through a wireless interface may be referred to as a “wireless communication terminal”, a “wireless terminal”, or a “mobile terminal”.
  • mobile terminals include, but are not limited to, satellite or cellular phones; personal communications systems (PCS) terminals that can combine cellular radiotelephones with data processing, facsimile, and data communications capabilities; can include radiotelephones, pagers, Internet / internal PDA with network access, web browser, notepad, calendar, and / or Global Positioning System (GPS) receiver; and conventional laptop and / or palm-type receivers or others including radiotelephone transceivers Electronic device.
  • PCS personal communications systems
  • GPS Global Positioning System
  • a terminal device can refer to an access terminal, user equipment (terminal equipment), 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.
  • the access terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Processing (PDA), and wireless communication.
  • terminal devices 120 may perform terminal direct device (D2D) communication.
  • D2D terminal direct device
  • the 5G system or the 5G network may also be referred to as a New Radio (NR) system or an NR network.
  • NR New Radio
  • FIG. 1 exemplarily shows one network device and two terminal devices.
  • the communication system 100 may include multiple network devices and the coverage of each network device may include other numbers of terminal devices. The embodiment does not limit this.
  • the communication system 100 may further include other network entities such as a network controller, a mobility management entity, and the like in this embodiment of the present application is not limited thereto.
  • network entities such as a network controller, a mobility management entity, and the like in this embodiment of the present application is not limited thereto.
  • the device having a communication function in the network / system in the embodiments of the present application may be referred to as a communication device.
  • the communication device may include a network device 110 and a terminal device 120 having a communication function, and the network device 110 and the terminal device 120 may be specific devices described above, and are not described herein again
  • the communication device may also include other devices in the communication system 100, such as other network entities such as a network controller, a mobile management entity, and the like, which is not limited in the embodiments of the present application.
  • An embodiment of the present invention provides a switching timing method, which is applied to a terminal device. As shown in FIG. 2, the method includes:
  • Step 201 Receive at least one timer for at least one target network device, and / or a common timer;
  • the timing duration of different timers may be the same or different;
  • the timing duration of the common timer may be greater than the timing duration of the timer with the largest timing duration among all the timers; or the timing duration of the common timer may also be the sum of the timing durations of all the timers; of course The timing duration of the common timer may also be greater than the sum of the timing durations of all the timers.
  • the duration of at least one timer and the common timer can be set according to the actual situation, and it is not exhaustive here.
  • the solution provided in this embodiment may further include: when initiating a connection to a target network device, based on the at least one timer, and / or, The common timer does the processing.
  • the receiving at least one timer for at least one target network device and / or a common timer includes:
  • Receive a handover command and obtain at least one timer for at least one target network device and / or a common timer through the handover command.
  • At least one timer of at least one target network device of the terminal device, and / or, a common timer corresponding to at least one target network device may be directly configured by the source network device, or the target network device may also pass the source network device. Forwarded to the terminal device.
  • the handover preparation phase includes steps 1-6 in the figure: the source network device sends measurement control to the terminal device; after the terminal device performs measurements for multiple network devices or cells, it sends a measurement report to the source network device; the source network device according to the measurement report (Or combined with RRM information) to make a handover decision; the source network device sends a handover request to the target network device to prepare the target network device for handover; the target network device performs handover admission control based on the handover request; when the target network device determines to perform handover, The network device sends a handover request confirmation.
  • the target network device generates RRC information, sends the RRC connection reconfiguration information to the source network device, and the source network device sends the RRC connection reconfiguration information to the terminal device. ; After receiving the RRC connection reconfiguration information, the terminal device performs handover processing according to the connection reconfiguration information; then the source network device sends the SN status to the target network device; the terminal device synchronizes with the target network device, and then receives the target network device for UL Allocate and send RRC connection reconfiguration completion information to the target network device.
  • the target network device sends a path switching request to the MME to notify the MME terminal device to change the cell; the MME sends a bearer adjustment request to the serving gateway, and the MME performs the downlink path switching process.
  • the serving gateway finishes processing, it sends a bearer adjustment completion process to the MME, and the MME sends a confirmation message of the path switching request to the target network device; the target network device notifies the source network device of the terminal device context release and the source network device releases the resources.
  • the source network device may directly send a timer through a switch command, or send a timer through a reconfiguration message forwarded, that is, a timing for the target network device.
  • the source network device can directly configure at least two timers and / or public timers by switching instructions, or it can configure the terminal devices by forwarding reconfiguration messages At least two timers, and / or, common timers.
  • a message may be sent to a terminal device for a timer and / or a common timer corresponding to each target network device; or, a timer and / Or the common timer is added to the same message, and then only one message is sent to the terminal device.
  • the reconfiguration message may also include: mobile control information, new C-RNTI, and security information of the second target network device; in addition, optional It also includes information such as the random access preamble, the system information block (SIB) of the second target network device.
  • SIB system information block
  • this embodiment can be applied to the following multiple scenarios:
  • a terminal device may have at least two target network devices, and all target network devices correspond to a common timer.
  • timers can be sent for at least two target network devices, that is, timers for at least two target network devices are sent separately, and each timer can be a common timer; or It is also possible to send only one common timer and configure that the common timer can be applied to all target network devices.
  • the common timer may be obtained through a switching command, or the common timer may be obtained from a reconfiguration message that is forwarded.
  • the initiating a connection to a target network device based on the at least one timer and / or a common timer includes:
  • a common timer is started to initiate a connection to the first target network device.
  • the initiating a connection to a target network device based on the at least one timer and / or a common timer further includes:
  • a common timer may be started when the terminal device selects the first target network device to be currently accessed.
  • the common timer is stopped.
  • the terminal device fails to switch to the first target network device.
  • the method further includes:
  • connection to the first target network device fails, or when the common timer stops and the first target network device fails to connect, determine the second target network device, restart the common timer, and initiate to the second target network device connection.
  • the method for determining a second target network device may include one of the following:
  • the handover command includes the second target network device reselected by the network side for the terminal device.
  • a second target network device is selected from the at least two target network devices.
  • the method for selecting a second target network device from the at least two target network devices may be selecting a second target network device from the at least two target network devices randomly, or based on the at least two target network devices. Select the priority to select the second target network device.
  • the selection priority may be a parameter set by the network side for different target network devices according to the actual situation; the network side may set different selection priorities for different target network devices by referring to the measurement report of the terminal device. For example, the higher the signal measurement quality in the measurement report, the higher the selection priority that can be set; otherwise, the selection priority angle can be set; and / or, based on the physical distance of the target network device, the distance from the current source can be set.
  • the network device with a shorter physical distance has a higher priority (or lower priority); of course, there can be other settings in actual processing, and this embodiment does not exhaustively.
  • the processing method for the first target network device may be used for processing, but details are not described herein again.
  • connection with the source network device is returned, or connection reestablishment is initiated.
  • the first target network device or the second target network device fails to switch, both can return to the connection to the source network device or initiate connection reestablishment to the new target network device.
  • the new target network device is different from the target network device that failed in this handover.
  • the second target network device can be used as a new first target network device for subsequent operations, that is, when the new first target network device When the device is successfully connected, it can be determined that the handover is successful. If the connection of the new first target network device fails, the new second target network device is re-selected again, and the process is performed in a loop.
  • the method further includes:
  • the value can be set according to actual conditions. For example, you can restart the public timer more than 5 times to confirm that there is no suitable target network device for the current switchover, so that the switchover fails. Of course, it can also be determined according to the number of target network devices. Preset number threshold, for example, the preset number threshold can be 2/3 of the number of target network devices. Assuming that there are 9 target network devices, the public timer can be restarted 6 times; in addition, there may be other The method for setting the preset number of times threshold is only exhaustive in this embodiment.
  • the preset selection threshold may be set according to the actual situation. For example, it may be determined that there is no suitable target network device for the current switchover to reselect the target network device more than 3 times, thereby determining the switchover failure; of course. You can also determine the threshold for the preset number of times based on the number of target network devices. For example, the preset selection threshold can be 2/3 of the number of target network devices.
  • the target network device determines that the handover has failed more than 6 times; in addition, there may be other methods for setting the threshold value for the preset number of times, but in this embodiment, no exhaustion is performed.
  • the second target network device configured in the handover command is acquired, and a connection is initiated to the second target network device.
  • the method for selecting a second target network device from the at least two target network devices may be selecting a second target network device from the at least two target network devices randomly, or based on the at least two target network devices. Select the priority to select the second target network device.
  • the selection priority may be a parameter set by the network side for different target network devices according to the actual situation; the network side may set different selection priorities for different target network devices by referring to the measurement report of the terminal device. For example, the higher the signal measurement quality in the measurement report, the higher the selection priority that can be set; otherwise, the selection priority angle can be set; and / or, based on the physical distance of the target network device, the distance from the current source can be set.
  • the network device with a shorter physical distance has a higher priority (or lower priority); of course, there can be other settings in actual processing, and this embodiment does not exhaustively.
  • the second target network device In the process of reselecting the second target network device from at least one network device each time, it is not necessary to maintain a connection with the source network device; and each time the switch command is reacquired, the second target network device based on the configuration of the switch command is re- In the process of initiating the connection, the connection to the source network device may be returned every time the connection fails.
  • the second target network device can be used as the first target network device again, and the operations in this scenario can be continued. Furthermore, when the new first target network device fails to connect When re-selecting a new second target network device again, the process is cyclically performed until the public timer stops, and when the target network device that can be connected is still not selected, it can be confirmed that the handover fails and returns to the source network device. Connect, or, initiate connection re-establishment.
  • the terminal device has at least two target network devices, and each target network device corresponds to a timer.
  • At least two timers for at least two target network devices configured by the receiving source network device may have the same or different timer durations. It is determined by each target network device, which is not limited in this embodiment.
  • the source network device may directly send a timer to the terminal device in a handover command; or, the source network device may forward the reconfiguration message of at least two target network devices to the terminal device.
  • the initiating a connection to a target network device based on the at least one timer and / or a common timer includes:
  • a first timer for the first target network device is started, and a connection is initiated to the first target network device.
  • the first timer is stopped.
  • the terminal device fails to switch to the first target network device.
  • the method further includes:
  • connection of the first target network device fails, selecting a second target network device from at least one target network device to initiate a connection, and starting a timer of the second target network device;
  • the second target network device configured in the handover command is acquired, a connection is initiated to the second target network device, and a timer of the second target network device is started.
  • the method for selecting a second target network device from the at least two target network devices may be selecting a second target network device from at least two target network devices randomly, or based on the at least two target network devices. Select the priority to select the second target network device.
  • the selection priority may be a parameter set by the network side for different target network devices according to the actual situation; the network side may set different selection priorities for different target network devices by referring to the measurement report of the terminal device. For example, the higher the signal measurement quality in the measurement report, the higher the selection priority that can be set; otherwise, the selection priority angle can be set; and / or, based on the physical distance of the target network device, the distance from the current source can be set.
  • the network device with a shorter physical distance has a higher priority (or lower priority); of course, there can be other settings in actual processing, and this embodiment does not exhaustively.
  • the second target network device selected this time may be used as the new first target network device. Accordingly, the second timer is used as the new first target network device.
  • the first timer of the switch performs connection control; that is, when the new first target network device does not connect successfully when the first timer expires, a new second target network device is selected again and the new The second timer corresponding to the second target network device is processed cyclically.
  • the above-mentioned loop processing may be ended by judging whether the number of times of reselecting a new target network device exceeds a preset selection threshold, and if exceeding, determining that the handover fails; or, it may also be judged to restart a new Whether the number of timers of the timer exceeds a preset threshold, and if it exceeds the threshold, it is determined that the handover fails.
  • determining the preset selection threshold and the preset number of times refer to the description in the scenario 1, which is not repeated here.
  • the first target network device or the second target network device can use the above description to determine whether the handover is successful; and when the handover fails, they can return to the source network device or re-connect to the new The second target network device initiates connection reconstruction.
  • the new second target network device is different from the second target network device that failed in the handover.
  • the terminal device is provided with at least two target network devices, each target network device corresponds to a timer, and all target network devices share a common timer.
  • the timing duration of the timers corresponding to different target network devices may be the same or different; the timing duration of the common timer may be greater than the timing duration of the timer with the largest timing duration among all timers; or, The timing duration of the common timer may also be the sum of the timing durations of all the timers; of course, the timing duration of the common timer may be greater than the sum of the timing durations of all the timers.
  • the duration of at least one timer and the common timer can be set according to the actual situation, and it is not exhaustive here.
  • At least two timers corresponding to the at least two target network devices can be obtained from the reconfiguration message forwarded by the source base station; or the source network device directly sets at least two timers in the handover command to send to the terminal device.
  • the initiating a connection to a target network device based on the at least one timer and / or a common timer includes:
  • a first timer of a first target network device is started, and a common timer is started to initiate a connection to the first target network device.
  • the first timer is stopped. If the first timer times out and / or the connection with the first target network device fails, it is determined that the terminal device fails to switch to the first target network device.
  • the method further includes:
  • the second target network device is selected from at least one target network device and sent to the second The target network device initiates a connection and starts a timer of the second target network device;
  • the second target network device is acquired based on the handover command, and initiated to the second target network device Connect and start the timer of the second target network device.
  • the method for selecting a second target network device from the at least two target network devices may be selecting a second target network device from at least two target network devices randomly, or based on the at least two target network devices. Select the priority to select the second target network device.
  • the selection priority may be a parameter set by the network side for different target network devices according to the actual situation; the network side may set different selection priorities for different target network devices by referring to the measurement report of the terminal device. For example, the higher the signal measurement quality in the measurement report, the higher the selection priority that can be set; otherwise, the selection priority angle can be set; and / or, based on the physical distance of the target network device, the distance from the current source can be set.
  • the network device with a shorter physical distance has a higher priority (or lower priority); of course, there can be other settings in actual processing, and this embodiment does not exhaustively.
  • the second target network device selected this time may be used as the new first target network device. Accordingly, the second timer is used as the new first target network device.
  • the first timer of the switch performs connection control; that is, when the new first target network device does not connect successfully when the first timer expires, a new second target network device is selected again and the new The second timer corresponding to the second target network device is processed cyclically.
  • the above-mentioned loop processing may be ended in a manner that, when the common timer expires, it is confirmed that the handover fails, and the connection with the source network device is returned, or connection reestablishment is initiated.
  • the terminal device in this embodiment may also retain the connection with the source network device; Wherein, the terminal device retains the first protocol stack and the first related key with the source network device, and maintains the second protocol stack and the second related key with the first target network device;
  • the first related key is different from the second related key.
  • the second correlation key may be generated from the first correlation key.
  • the first protocol stack and the second protocol stack may be the same or different, or at least partially different.
  • it may be a terminal device and a source network device, and a terminal device and a first target network device. Maintain different service data application protocols (SDAP, Service Data Adaptation Protocol), different packet data convergence protocols (PDCP, Packet Data Convergence Protocol), different radio link layer control protocols (RLC, Radio Link Control), different Media access control (MAC) entities, different low-layer entities; when targeting 4G systems, different packet data aggregations can be maintained for terminal equipment and source network equipment, and between terminal equipment and first target network equipment Protocol (PDCP, Packet Data Convergence Protocol), different radio link layer control protocols (RLC, Radio Link Control), different media access control (MAC) entities, different low layer (Low layer) entities.
  • SDAP Service Data Adaptation Protocol
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control
  • MAC Media access control
  • the PDCP of the first protocol stack and the second protocol stack must be different. At least one of SDAP, RLC, MAC, and physical layer may be the same or different. Alternatively, the first protocol stack and the second protocol stack may share at least one of SDAP, RLC, MAC, and physical layer, or may have SDAP, RLC, MAC, and physical layer, respectively.
  • the first target network device and the second target network device in this embodiment are target network devices when the terminal device is switched; or, the first target network device and the second target network device are auxiliary nodes SN, and the The source network device is the master node MN.
  • the SN is called SCG
  • the new radio (NR) is SN, which refers to the same concept, that is, the second service network device in the DC scenario.
  • the applicable scenarios of this embodiment are: the terminal maintains a connection with the source network device and fails to connect to the target network device; the terminal source network device disconnects and successfully connects with the target network device; the auxiliary cell group (SCG) connection fails, and the SCG changes Connection failed.
  • LTE long-term evolution
  • NR new radio
  • At least one timer and / or common timer corresponding to at least one target network device can be configured; so that when the terminal device is configured with at least one target network device, based on the corresponding timer and / Or the common timer controls the switching process, thereby ensuring the processing efficiency of re-establishing a connection with the target network device.
  • An embodiment of the present invention provides a handover timing method, which is applied to a source network device, as shown in FIG. 4, and includes:
  • Step 401 Configure the terminal device with at least one timer for at least one target network device, and / or a common timer; wherein the duration of the common timer is at least greater than the maximum duration of the timer for at least one target network device.
  • the timing duration of the common timer may be greater than the timing duration of the timer with the largest timing duration among all the timers; or the timing duration of the common timer may also be the sum of the timing durations of all the timers; of course The timing duration of the common timer may also be greater than the sum of the timing durations of all the timers.
  • the duration of at least one timer and the common timer can be set according to the actual situation, and it is not exhaustive here.
  • the configuring the terminal device with at least one timer for at least one target network device and / or a common timer includes:
  • the handover command carries at least one timer for at least one target network device, and / or a common timer, and sends the handover command to the terminal device.
  • At least one timer of at least one target network device of the terminal device may be configured by the source network device directly through a switch command, or may be forwarded by the target network device to the terminal device through the source network device.
  • the handover preparation phase includes steps 1-6 in the figure: the source network device sends measurement control to the terminal device; after the terminal device performs measurements for multiple network devices or cells, it sends a measurement report to the source network device; the source network device according to the measurement report (Or combined with RRM information) to make a handover decision; the source network device sends a handover request to the target network device to prepare the target network device for handover; the target network device performs handover admission control based on the handover request; when the target network device determines to perform handover, The network device sends a handover request confirmation.
  • the target network device generates RRC information, sends the RRC connection reconfiguration information to the source network device, and the source network device sends the RRC connection reconfiguration information to the terminal device. ; After receiving the RRC connection reconfiguration information, the terminal device performs handover processing according to the connection reconfiguration information; then the source network device sends the SN status to the target network device; the terminal device synchronizes with the target network device, and then receives the target network device for UL Allocate and send RRC connection reconfiguration completion information to the target network device.
  • the target network device sends a path switching request to the MME to notify the MME terminal device to change the cell; the MME sends a bearer adjustment request to the serving gateway, and the MME performs the downlink path switching process.
  • the serving gateway finishes processing, it sends a bearer adjustment completion process to the MME, and the MME sends a confirmation message of the path switching request to the target network device; the target network device notifies the source network device of the terminal device context release and the source network device releases the resources.
  • the source network device when the terminal device has a target network device, can send a timer directly through a switch command, or send a timer by forwarding a reconfiguration message, that is, a timer for the target network device. ;
  • the source network device can configure at least two timers and / or public timers directly by switching instructions, or can configure the terminal device by forwarding reconfiguration messages At least two timers, and / or, common timers.
  • a message may be sent to a terminal device for a timer and / or a common timer corresponding to each target network device; or, a timer and / Or the common timer is added to the same message, and then only one message is sent to the terminal device.
  • the reconfiguration message may also include: mobile control information, new C-RNTI, and security information of the second target network device; in addition, optional It also includes information such as the random access preamble, the system information block (SIB) of the second target network device.
  • SIB system information block
  • the method further includes: selecting a target network device based on a measurement report corresponding to at least one network device; or randomly selecting a target network device from the at least one network device.
  • selecting the target network device can select at least one target network device for the terminal device when the source network device receives the measurement report of at least one network device from the terminal device; and then pass the relevant information of the at least one target network device through A reconfiguration message or a switch command is sent to the terminal device; it should be noted that when sending at least one target network device, at least one timer corresponding to the at least one target network device and / or a common timer need to be added.
  • the source network device selects the second target network device for the terminal device from the at least one target network device, and selects the target network device.
  • the second target network device is sent to the terminal device through a reconfiguration message or a handover command. It should be noted that when sending the second target network device, a second timer corresponding to the second target network device needs to be added.
  • the first target network device and the second target network device in this embodiment are target network devices when the terminal device is switched; or, the first target network device and the second target network device are auxiliary nodes SN, and the The source network device is the master node MN.
  • the SN is called SCG
  • the new radio (NR) is SN, which refers to the same concept, that is, the second service network device in the DC scenario.
  • the applicable scenarios of this embodiment are: the terminal maintains a connection with the source network device and fails to connect to the target network device; the terminal source network device disconnects and successfully connects with the target network device; the auxiliary cell group (SCG) connection fails, and the SCG changes Connection failed.
  • LTE long-term evolution
  • NR new radio
  • At least one timer and / or common timer corresponding to at least one target network device can be configured; so that when the terminal device is configured with at least one target network device, based on the corresponding timer and / Or the common timer controls the switching process, thereby ensuring the processing efficiency of re-establishing a connection with the target network device.
  • An embodiment of the present invention provides a terminal device, as shown in FIG. 5, including:
  • the first communication unit 51 receives at least one timer for at least one target network device, and / or a common timer; wherein the duration of the common timer is at least greater than the maximum duration of the timer for at least one target network device Initiating a connection to a target network device based on the at least one timer and / or a common timer.
  • the timing duration of different timers may be the same or different;
  • the timing duration of the common timer may be greater than the timing duration of the timer with the largest timing duration among all the timers; or the timing duration of the common timer may also be the sum of the timing durations of all the timers; of course The timing duration of the common timer may also be greater than the sum of the timing durations of all the timers.
  • the duration of at least one timer and the common timer can be set according to the actual situation, and it is not exhaustive here.
  • the first communication unit 51 The first communication unit 51,
  • At least one timer of at least one target network device of the terminal device may be directly configured by the source network device, or may also be passed by the target network device. It is forwarded by the source network device to the terminal device.
  • the handover preparation phase includes steps 1-6 in the figure: the source network device sends measurement control to the terminal device; after the terminal device performs measurements for multiple network devices or cells, it sends a measurement report to the source network device; the source network device according to the measurement report (Or combined with RRM information) to make a handover decision; the source network device sends a handover request to the target network device to prepare the target network device for handover; the target network device performs handover admission control based on the handover request; when the target network device determines to perform handover, The network device sends a handover request confirmation.
  • the target network device generates RRC information, sends the RRC connection reconfiguration information to the source network device, and the source network device sends the RRC connection reconfiguration information to the terminal device. ; After receiving the RRC connection reconfiguration information, the terminal device performs handover processing according to the connection reconfiguration information; then the source network device sends the SN status to the target network device; the terminal device synchronizes with the target network device, and then receives the target network device for UL Allocate and send RRC connection reconfiguration completion information to the target network device.
  • the target network device sends a path switching request to the MME to notify the MME terminal device to change the cell; the MME sends a bearer adjustment request to the serving gateway, and the MME performs the downlink path switching process.
  • the serving gateway finishes processing, it sends a bearer adjustment completion process to the MME, and the MME sends a confirmation message of the path switching request to the target network device; the target network device notifies the source network device of the terminal device context release and the source network device releases the resources.
  • the source network device when the terminal device has a target network device, can send a timer directly through a switch command, or send a timer by forwarding a reconfiguration message, that is, a timer for the target network device. ;
  • the source network device can directly configure the terminal device with at least two timers and / or public timers by switching instructions, or it can forward the reconfiguration message to the terminal.
  • the device is configured with at least two timers, and / or a common timer.
  • a message may be sent to a terminal device for a timer and / or a common timer corresponding to each target network device; or, a timer and / Or the common timer is added to the same message, and then only one message is sent to the terminal device.
  • the reconfiguration message may also include: mobile control information, new C-RNTI, and security information of the second target network device; in addition, optional It also includes information such as the random access preamble, the system information block (SIB) of the second target network device.
  • SIB system information block
  • this embodiment can be applied to the following multiple scenarios:
  • a terminal device may have at least two target network devices, and all target network devices correspond to a common timer.
  • timers can be sent for at least two target network devices, that is, timers for at least two target network devices are sent separately, and each timer can be a common timer; or It is also possible to send only one common timer and configure that the common timer can be applied to all target network devices.
  • the common timer may be obtained through a switching command, or the common timer may be obtained from a reconfiguration message that is forwarded.
  • the terminal device further includes:
  • the first processing unit 52 starts a common timer when receiving a handover command, and initiates a connection to the first target network device through the first communication unit 51.
  • the initiating a connection to a target network device based on the at least one timer and / or a common timer further includes:
  • the first processing unit 52 if the received handover command (HO command) carries a reconfiguration message including at least two target network devices, when the terminal device selects the first target network device to be currently accessed, Start the common timer.
  • the first processing unit 52 stops the common timer if the connection is successfully initiated to the first target network device within the duration of the timer.
  • the terminal device fails to switch to the first target network device.
  • the first processing unit 52 When it is determined that the handover of the terminal device to the first target network device fails, the first processing unit 52, when the connection to the first target network device fails, or when the common timer stops and the first target network device fails to connect To determine a second target network device, restart the common timer, and initiate a connection to the second target network device through the first communication unit 51.
  • the method for determining a second target network device may include one of the following:
  • the first processing unit 52 reaccepts the handover command sent by the source network device, and obtains the second target network device based on the handover command.
  • the handover command includes the second target network device reselected by the network side for the terminal device.
  • a second target network device is selected from the at least two target network devices.
  • the method for selecting a second target network device from the at least two target network devices may be the first processing unit 52, randomly selecting the second target network device from the at least two target network devices, or based on A selection priority of at least two target network devices selects a second target network device.
  • the selection priority may be a parameter set by the network side for different target network devices according to the actual situation; the network side may set different selection priorities for different target network devices by referring to the measurement report of the terminal device. For example, the higher the signal measurement quality in the measurement report, the higher the selection priority that can be set; otherwise, the selection priority angle can be set; and / or, based on the physical distance of the target network device, the distance from the current source can be set.
  • the network device with a shorter physical distance has a higher priority (or lower priority); of course, there can be other settings in actual processing, and this embodiment does not exhaustively.
  • the processing method for the first target network device may be used for processing, but details are not described herein again.
  • connection with the source network device is returned, or connection reestablishment is initiated.
  • the first target network device or the second target network device fails to switch, both can return to the connection to the source network device or initiate connection reestablishment to the new target network device.
  • the new target network device is different from the target network device that failed in this handover.
  • the second target network device can be used as a new first target network device for subsequent operations, that is, when the new first target network device When the device is successfully connected, it can be determined that the handover is successful. If the connection of the new first target network device fails, the new second target network device is re-selected again, and the process is performed in a loop.
  • a common timer is restarted, and when a connection is initiated to the second target network device, the first processing unit 52 determines whether the number of restarts of the common timer exceeds a preset number of times If the threshold value is exceeded, it is confirmed that the handover fails, and the connection with the source network device is returned, or connection reestablishment is initiated; wherein the preset number of times may be set according to actual conditions, for example, it may be restarted If the public timer exceeds 5 times, it is confirmed that there is no suitable target network device for handover at present, so that the handover fails.
  • a preset number of times can be determined according to the number of target network devices, for example, the preset number of times It can be 2/3 of the number of target network devices. Assuming that there are 9 target network devices, the public timer can be restarted 6 times. In addition, there can be other methods for setting the threshold of preset times, but this implementation No more exhaustive in the example.
  • the first processing unit 52 determines whether the number of times of re-selecting the target network device exceeds a preset selection threshold. If the number of times of re-selection of the target network device exceeds the preset selection threshold, it confirms that the handover fails, returns to the connection with the source network device, or initiates connection reconstruction.
  • the preset selection threshold may be set according to the actual situation. For example, it may be determined that there is no suitable target network device for the current switchover to reselect the target network device more than 3 times, thereby determining the switchover failure; of course. You can also determine the threshold for the preset number of times based on the number of target network devices. For example, the preset selection threshold can be 2/3 of the number of target network devices.
  • the target network device determines that the handover has failed more than 6 times; in addition, there may be other methods for setting the threshold value for the preset number of times, but in this embodiment, no exhaustion is performed.
  • the first processing unit 52 selects a second target network device from at least one target network device when the connection to the first target network device fails and the common timer does not expire, and sends the second target network device to the second target through the first communication unit 51 A network device initiates a connection;
  • the second target network device configured in the handover command is acquired, and a connection is initiated to the second target network device through the first communication unit 51.
  • the method for selecting a second target network device from the at least two target network devices may be selecting a second target network device from the at least two target network devices randomly, or based on the at least two target network devices. Select the priority to select the second target network device.
  • the selection priority may be a parameter set by the network side for different target network devices according to the actual situation; the network side may set different selection priorities for different target network devices by referring to the measurement report of the terminal device. For example, the higher the signal measurement quality in the measurement report, the higher the selection priority that can be set; otherwise, the selection priority angle can be set; and / or, based on the physical distance of the target network device, the distance from the current source can be set.
  • the network device with a shorter physical distance has a higher priority (or lower priority); of course, there can be other settings in actual processing, and this embodiment does not exhaustively.
  • the second target network device In the process of reselecting the second target network device from at least one network device each time, it is not necessary to maintain a connection with the source network device; and each time the switch command is reacquired, the second target network device based on the configuration of the switch command is re- In the process of initiating the connection, the connection to the source network device may be returned every time the connection fails.
  • the second target network device can be used as the first target network device again, and the operations in this scenario can be continued. Furthermore, when the new first target network device fails to connect When re-selecting a new second target network device again, the process is cyclically performed until the public timer stops, and when the target network device that can be connected is still not selected, it can be confirmed that the handover fails and returns to the source network device. Connect, or, initiate connection re-establishment.
  • the terminal device has at least two target network devices, and each target network device corresponds to a timer.
  • At least two timers for at least two target network devices configured by the receiving source network device may have the same or different timer durations. It is determined by each target network device, which is not limited in this embodiment.
  • the source network device may directly send a timer to the terminal device in a handover command; or, the source network device may forward the reconfiguration message of at least two target network devices to the terminal device.
  • the first processing unit 52 when receiving the handover command, starts a first timer for the first target network device, and initiates a connection to the first target network device through the first communication unit 51.
  • the first timer is stopped.
  • the terminal device fails to switch to the first target network device.
  • the first processing unit 52 When it is determined that the handover of the terminal device to the first target network device fails, the first processing unit 52,
  • connection of the first target network device fails, selecting a second target network device from at least one target network device to initiate a connection, and starting a timer of the second target network device;
  • the second target network device configured in the handover command is acquired, a connection is initiated to the second target network device, and a timer of the second target network device is started.
  • the method for selecting a second target network device from the at least two target network devices may be selecting a second target network device from at least two target network devices randomly, or based on the at least two target network devices. Select the priority to select the second target network device.
  • the selection priority may be a parameter set by the network side for different target network devices according to the actual situation; the network side may set different selection priorities for different target network devices by referring to the measurement report of the terminal device. For example, the higher the signal measurement quality in the measurement report, the higher the selection priority that can be set; otherwise, the selection priority angle can be set; and / or, based on the physical distance of the target network device, the distance from the current source can be set.
  • the network device with a shorter physical distance has a higher priority (or lower priority); of course, there can be other settings in actual processing, and this embodiment does not exhaustively.
  • the second target network device selected this time may be used as the new first target network device. Accordingly, the second timer is used as the new first target network device.
  • the first timer of the switch performs connection control; that is, when the new first target network device does not connect successfully when the first timer expires, a new second target network device is selected again and the new The second timer corresponding to the second target network device is processed cyclically.
  • the manner of ending the above-mentioned cyclic processing may be that the first processing unit 52 determines whether the number of times of reselecting a new target network device exceeds a preset selection threshold, and if it exceeds, determines that the handover fails; or It can be judged whether the number of times of restarting the new timer exceeds a preset number of times threshold, and if it exceeds, it is determined that the handover fails.
  • the method of determining the preset selection threshold and the preset number of times refer to the description in the scenario 1, which is not repeated here.
  • the first target network device or the second target network device can use the above description to determine whether the handover is successful; and when the handover fails, they can return to the source network device or re-connect to the new The second target network device initiates connection reconstruction.
  • the new second target network device is different from the second target network device that failed in the handover.
  • the terminal device is provided with at least two target network devices, each target network device corresponds to a timer, and all target network devices share a common timer.
  • the timing duration of the timers corresponding to different target network devices may be the same or different; the timing duration of the common timer may be greater than the timing duration of the timer with the largest timing duration among all timers; or, The timing duration of the common timer may also be the sum of the timing durations of all the timers; of course, the timing duration of the common timer may be greater than the sum of the timing durations of all the timers.
  • the duration of at least one timer and the common timer can be set according to the actual situation, and it is not exhaustive here.
  • At least two timers corresponding to the at least two target network devices can be obtained from the reconfiguration message forwarded by the source base station; or the source network device directly sets at least two timers in the handover command to send to the terminal device.
  • the first processing unit 52 When receiving the handover command, the first processing unit 52 starts a first timer of the first target network device and starts a common timer, and initiates a connection to the first target network device through the first communication unit 51.
  • the first timer is stopped. If the first timer times out and / or the connection with the first target network device fails, it is determined that the terminal device fails to switch to the first target network device.
  • the first processing unit 52 After the initiating the connection to the first target network device, the first processing unit 52,
  • the second target network device is selected from at least one target network device and sent to the second The target network device initiates a connection and starts a timer of the second target network device;
  • the second target network device is acquired based on the handover command, and initiated to the second target network device Connect and start the timer of the second target network device.
  • the method for selecting a second target network device from the at least two target network devices may be selecting a second target network device from at least two target network devices randomly, or based on the at least two target network devices. Select the priority to select the second target network device.
  • the selection priority may be a parameter set by the network side for different target network devices according to the actual situation; the network side may set different selection priorities for different target network devices by referring to the measurement report of the terminal device. For example, the higher the signal measurement quality in the measurement report, the higher the selection priority that can be set; otherwise, the selection priority angle can be set; and / or, based on the physical distance of the target network device, the distance from the current source can be set.
  • the network device with a shorter physical distance has a higher priority (or lower priority); of course, there can be other settings in actual processing, and this embodiment does not exhaustively.
  • the second target network device selected this time may be used as the new first target network device. Accordingly, the second timer is used as the new first target network device.
  • the first timer of the switch performs connection control; that is, when the new first target network device does not connect successfully when the first timer expires, a new second target network device is selected again and the new The second timer corresponding to the second target network device is processed cyclically.
  • the above-mentioned loop processing may be ended in a manner that, when the common timer expires, it is confirmed that the handover fails, and the connection with the source network device is returned, or connection reestablishment is initiated.
  • the terminal device in this embodiment may also retain the connection with the source network device; Wherein, the terminal device retains the first protocol stack and the first related key with the source network device, and maintains the second protocol stack and the second related key with the first target network device;
  • the first related key is different from the second related key.
  • the second correlation key may be generated from the first correlation key.
  • the first protocol stack and the second protocol stack may be the same or different, or at least partially different.
  • it may be a terminal device and a source network device, and a terminal device and a first target network device. Maintain different service data application protocols (SDAP, Service Data Adaptation Protocol), different packet data convergence protocols (PDCP, Packet Data Convergence Protocol), different radio link layer control protocols (RLC, Radio Link Control), different Media access control (MAC) entities, different low-layer entities; when targeting 4G systems, different packet data aggregations can be maintained for terminal equipment and source network equipment, and between terminal equipment and first target network equipment Protocol (PDCP, Packet Data Convergence Protocol), different radio link layer control protocols (RLC, Radio Link Control), different media access control (MAC) entities, different low layer (Low layer) entities.
  • SDAP Service Data Adaptation Protocol
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control
  • MAC Media access control
  • the PDCP of the first protocol stack and the second protocol stack must be different. At least one of SDAP, RLC, MAC, and physical layer may be the same or different. Alternatively, the first protocol stack and the second protocol stack may share at least one of SDAP, RLC, MAC, and physical layer, or may have SDAP, RLC, MAC, and physical layer, respectively.
  • the first target network device and the second target network device in this embodiment are target network devices when the terminal device is switched; or, the first target network device and the second target network device are auxiliary nodes SN, and the The source network device is the master node MN.
  • the SN is called SCG
  • the new radio (NR) is SN, which refers to the same concept, that is, the second service network device in the DC scenario.
  • the applicable scenarios of this embodiment are: the terminal maintains a connection with the source network device and fails to connect to the target network device; the terminal source network device disconnects and successfully connects with the target network device; the auxiliary cell group (SCG) connection fails, and the SCG changes Connection failed.
  • LTE long-term evolution
  • NR new radio
  • At least one timer and / or common timer corresponding to at least one target network device can be configured; so that when the terminal device is configured with at least one target network device, based on the corresponding timer and / Or the common timer controls the switching process, thereby ensuring the processing efficiency of re-establishing a connection with the target network device.
  • An embodiment of the present invention provides a source network device, as shown in FIG. 6, including:
  • the second communication unit 61 configures the terminal device with at least one timer for at least one target network device, and / or a common timer; wherein the duration of the common timer is at least longer than the timer for at least one target network device Maximum duration.
  • the timing duration of the common timer may be greater than the timing duration of the timer with the largest timing duration among all the timers; or the timing duration of the common timer may also be the sum of the timing durations of all the timers; of course The timing duration of the common timer may also be greater than the sum of the timing durations of all the timers.
  • the duration of at least one timer and the common timer can be set according to the actual situation, and it is not exhaustive here.
  • the second communication unit 61 carries at least one timer for at least one target network device and / or a common timer in the handover command, and sends the handover command to the terminal device.
  • At least one timer of at least one target network device of the terminal device may be configured by the source network device directly through a switch command, or may be forwarded by the target network device to the terminal device through the source network device.
  • the handover preparation phase includes steps 1-6 in the figure: the source network device sends measurement control to the terminal device; after the terminal device performs measurements for multiple network devices or cells, it sends a measurement report to the source network device; the source network device according to the measurement report (Or combined with RRM information) to make a handover decision; the source network device sends a handover request to the target network device to prepare the target network device for handover; the target network device performs handover admission control based on the handover request; when the target network device determines to perform handover, The network device sends a handover request confirmation.
  • the target network device generates RRC information, sends the RRC connection reconfiguration information to the source network device, and the source network device sends the RRC connection reconfiguration information to the terminal device. ; After receiving the RRC connection reconfiguration information, the terminal device performs handover processing according to the connection reconfiguration information; then the source network device sends the SN status to the target network device; the terminal device synchronizes with the target network device, and then receives the target network device for UL Allocate and send RRC connection reconfiguration completion information to the target network device.
  • the target network device sends a path switching request to the MME to notify the MME terminal device to change the cell; the MME sends a bearer adjustment request to the serving gateway, and the MME performs the downlink path switching process.
  • the serving gateway finishes processing, it sends a bearer adjustment completion process to the MME, and the MME sends a confirmation message of the path switching request to the target network device; the target network device notifies the source network device of the terminal device context release and the source network device releases the resources.
  • the source network device when the terminal device has a target network device, can send a timer directly through a switch command, or send a timer by forwarding a reconfiguration message, that is, a timer for the target network device. ;
  • the source network device can directly configure at least two timers and / or public timers by switching instructions, or can configure the terminal device at least by forwarding reconfiguration messages Two timers, and / or, a common timer.
  • a message may be sent to a terminal device for a timer and / or a common timer corresponding to each target network device; or, a timer and / Or the common timer is added to the same message, and then only one message is sent to the terminal device.
  • the reconfiguration message may also include: mobile control information, new C-RNTI, and security information of the second target network device; in addition, optional It also includes information such as the random access preamble, the system information block (SIB) of the second target network device.
  • SIB system information block
  • the source network device further includes:
  • the second processing unit 62 selects the target network device based on the measurement report corresponding to the at least one network device; or randomly selects the target network device from the at least one network device.
  • selecting the target network device can select at least one target network device for the terminal device when the source network device receives the measurement report of at least one network device from the terminal device; and then pass the relevant information of the at least one target network device through A reconfiguration message or a switch command is sent to the terminal device; it should be noted that when sending at least one target network device, at least one timer corresponding to the at least one target network device and / or a common timer need to be added.
  • the source network device selects the second target network device for the terminal device from the at least one target network device, and selects the target network device.
  • the second target network device is sent to the terminal device through a reconfiguration message or a handover command. It should be noted that when sending the second target network device, a second timer corresponding to the second target network device needs to be added.
  • the first target network device and the second target network device in this embodiment are target network devices when the terminal device is switched; or, the first target network device and the second target network device are auxiliary nodes SN, and the The source network device is the master node MN.
  • the SN is called SCG
  • the new radio (NR) is SN, which refers to the same concept, that is, the second service network device in the DC scenario.
  • the applicable scenarios of this embodiment are: the terminal maintains a connection with the source network device and fails to connect to the target network device; the terminal source network device disconnects and successfully connects with the target network device; the auxiliary cell group (SCG) connection fails, and the SCG changes Connection failed.
  • LTE long-term evolution
  • NR new radio
  • At least one timer and / or common timer corresponding to at least one target network device can be configured; so that when the terminal device is configured with at least one target network device, based on the corresponding timer and / Or the common timer controls the switching process, thereby ensuring the processing efficiency of re-establishing a connection with the target network device.
  • FIG. 7 is a schematic structural diagram of a communication device 700 according to an embodiment of the present application.
  • the communication device may be the terminal device or the network device described in this embodiment.
  • the communication device 700 shown in FIG. 7 includes a processor 710, and the processor 710 may call and run a computer program from a memory to implement the method in the embodiment of the present application.
  • the communication device 700 may further include a memory 720.
  • the processor 710 may call and run a computer program from the memory 720 to implement the method in the embodiment of the present application.
  • the memory 720 may be a separate device independent of the processor 710, or may be integrated in the processor 710.
  • the communication device 700 may further include a transceiver 730, and the processor 710 may control the transceiver 730 to communicate with other devices. Specifically, it may send information or data to other devices, or receive other information. Information or data sent by the device.
  • the transceiver 730 may include a transmitter and a receiver.
  • the transceiver 730 may further include antennas, and the number of antennas may be one or more.
  • the communication device 700 may specifically be a network device according to an embodiment of the present application, and the communication device 700 may implement a corresponding process implemented by a network device in each method of the embodiments of the present application. For brevity, details are not described herein again. .
  • the communication device 700 may specifically be a terminal device or a network device in the embodiment of the present application, and the communication device 700 may implement the corresponding process implemented by the mobile terminal / terminal device in each method in the embodiments of the present application. Concise, I won't repeat them here.
  • FIG. 8 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • the chip 800 shown in FIG. 8 includes a processor 810, and the processor 810 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
  • the chip 800 may further include a memory 820.
  • the processor 810 may call and run a computer program from the memory 820 to implement the method in the embodiment of the present application.
  • the memory 820 may be a separate device independent of the processor 810, or may be integrated in the processor 810.
  • the chip 800 may further include an input interface 830.
  • the processor 810 may control the input interface 830 to communicate with other devices or chips. Specifically, the processor 810 may obtain information or data sent by other devices or chips.
  • the chip 800 may further include an output interface 840.
  • the processor 810 may control the output interface 840 to communicate with other devices or chips. Specifically, the processor 810 may output information or data to the other devices or chips.
  • the chip may be applied to the network device in the embodiment of the present application, and the chip may implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip may be applied to the network device in the embodiment of the present application, and the chip may implement the corresponding process implemented by the network device in each method of the embodiment of the present application.
  • the chip may be applied to the terminal device in the embodiment of the present application, and the chip may implement the corresponding process implemented by the terminal device in each method of the embodiment of the present application.
  • the chip may implement the corresponding process implemented by the terminal device in each method of the embodiment of the present application.
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-level chip, a system chip, a chip system or a system-on-chip.
  • FIG. 9 is a schematic block diagram of a communication system 900 according to an embodiment of the present application.
  • the communication system 900 includes a terminal device 910 and a network device 920.
  • the terminal device 910 may be used to implement the corresponding functions implemented by the terminal device in the foregoing method
  • the network device 920 may be used to implement the corresponding functions implemented by the network device in the foregoing method.
  • details are not described herein again. .
  • the processor in the embodiment of the present application may be an integrated circuit chip and has a signal processing capability.
  • each step of the foregoing method embodiment may be completed by using an integrated logic circuit of hardware in a processor or an instruction in a form of software.
  • the above processor may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (Field, Programmable Gate Array, FPGA), or other Programming logic devices, discrete gate or transistor logic devices, discrete hardware components.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA off-the-shelf programmable gate array
  • Various methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
  • a general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the method disclosed in combination with the embodiments of the present application may be directly implemented by a hardware decoding processor, or may be performed by using a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a mature storage medium such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory, or an electrically erasable programmable memory, a register, and the like.
  • the storage medium is located in a memory, and the processor reads the information in the memory and completes the steps of the foregoing method in combination with its hardware.
  • the memory in the embodiment 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 may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), and an electronic memory. Erase programmable read-only memory (EPROM, EEPROM) or flash memory.
  • the volatile memory may be Random Access Memory (RAM), which is used as an external cache.
  • RAM Static Random Access Memory
  • DRAM Dynamic Random Access Memory
  • Synchronous Dynamic Random Access Memory Synchronous Dynamic Random Access Memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double SDRAM, DDR SDRAM enhanced synchronous dynamic random access memory
  • Enhanced SDRAM, ESDRAM synchronous connection dynamic random access memory
  • Synchronous DRAM Synchronous Dynamic Random Access Memory
  • Enhanced SDRAM Enhanced SDRAM, ESDRAM
  • synchronous connection dynamic random access memory Synchrobus RAM, SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be a static random access memory (static RAM, SRAM), a dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (SDRAM), double data rate synchronous dynamic random access memory (Double 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) and so on. That is, the memories in the embodiments of the present application are intended to include, but not limited to, these and any other suitable types of memories.
  • An embodiment of the present application further provides a computer-readable storage medium for storing a computer program.
  • the computer-readable storage medium can 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 in the embodiment of the present application. No longer.
  • 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 mobile terminal / terminal device in each method of the embodiment of the present application, for the sake of brevity , Will not repeat them here.
  • An embodiment of the present application further provides a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device in the embodiment of the present application, and the computer program instruction causes the computer to execute a corresponding process implemented by the network device in each method in the embodiment of the present application. More details.
  • the computer program product can be applied to a mobile terminal / terminal device in the embodiments of the present application, and the computer program instructions cause the computer to execute a corresponding process implemented by the mobile terminal / terminal device in each method in the embodiments of the present application, For brevity, I will not repeat them here.
  • the embodiment of the present application also provides a computer program.
  • the computer program may be applied to a network device in the embodiment of the present application.
  • the computer program When the computer program is run on a computer, the computer is caused to execute a corresponding process implemented by the network device in each method in the embodiment of the present application. , Will not repeat them here.
  • the computer program may be applied to a mobile terminal / terminal device in the embodiment of the present application.
  • the computer program When the computer program is run on a computer, the computer executes each method in the embodiment of the application by the mobile terminal / terminal device. The corresponding processes are not repeated here for brevity.
  • the disclosed systems, devices, and methods may be implemented in other ways.
  • the device embodiments described above are only schematic.
  • the division of the unit is only a logical function division.
  • multiple units or components may be combined or Can be integrated 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, which may be 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, may be located in one place, or may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objective of the solution of this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each of the units may exist separately physically, or two or more units may be integrated into one unit.
  • the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium.
  • the technical solution of this application is essentially a part that contributes to the existing technology or a part of the technical solution can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in the embodiments 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 disks or optical disks and other media that can store program codes .

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé de temporisation de transfert intercellulaire, un dispositif terminal, un dispositif de réseau, une puce, un support de stockage lisible par ordinateur, un produit programme informatique et un programme informatique. Le procédé suppose de recevoir au moins un temporisateur associé à au moins un dispositif de réseau cible et/ou un temporisateur partagé. La durée du temporisateur partagé est au moins supérieure à la durée maximale du temporisateur associé audit au moins un dispositif de réseau cible.
PCT/CN2018/108139 2018-09-27 2018-09-27 Procédé de temporisation de transfert intercellulaire, dispositif terminal et dispositif de réseau WO2020061962A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201880092310.7A CN112106403B (zh) 2018-09-27 2018-09-27 一种切换定时方法、终端设备及网络设备
PCT/CN2018/108139 WO2020061962A1 (fr) 2018-09-27 2018-09-27 Procédé de temporisation de transfert intercellulaire, dispositif terminal et dispositif de réseau
TW108134952A TW202025842A (zh) 2018-09-27 2019-09-26 一種切換定時方法、終端設備及網路設備

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PCT/CN2018/108139 WO2020061962A1 (fr) 2018-09-27 2018-09-27 Procédé de temporisation de transfert intercellulaire, dispositif terminal et dispositif de réseau

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114363970A (zh) * 2020-08-25 2022-04-15 华为技术有限公司 一种通信方法及装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114698052A (zh) * 2020-12-29 2022-07-01 维沃移动通信有限公司 网络变更方法、装置及终端

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103053195A (zh) * 2010-08-12 2013-04-17 Lg电子株式会社 在无线通信系统中报告测量结果的设备和方法
WO2013134947A1 (fr) * 2012-03-16 2013-09-19 富士通株式会社 Procédé, équipement utilisateur et station de base destinée à rapporter une identité de commutateur
CN106538014A (zh) * 2014-07-15 2017-03-22 株式会社Ntt都科摩 用户装置、移动通信系统、以及去激活化定时器控制方法
WO2018133831A1 (fr) * 2017-01-20 2018-07-26 北京佰才邦技术有限公司 Procédé de commutation automatique pour terminal, station de base, et terminal

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6536913B2 (ja) * 2014-03-21 2019-07-03 サムスン エレクトロニクス カンパニー リミテッド 無線通信システムにおける無線リンク失敗の決定のための待機時間を制御する方法及び装置
JP2015216502A (ja) * 2014-05-09 2015-12-03 株式会社Ｎｔｔドコモ ユーザ装置及び方法
US11044642B2 (en) * 2016-10-11 2021-06-22 Telefonaktiebolaget Lm Ericsson (Publ) Data transmission during handover
CN108243468B (zh) * 2016-12-23 2021-09-21 夏普株式会社 用户移动性方法和设备

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103053195A (zh) * 2010-08-12 2013-04-17 Lg电子株式会社 在无线通信系统中报告测量结果的设备和方法
WO2013134947A1 (fr) * 2012-03-16 2013-09-19 富士通株式会社 Procédé, équipement utilisateur et station de base destinée à rapporter une identité de commutateur
CN106538014A (zh) * 2014-07-15 2017-03-22 株式会社Ntt都科摩 用户装置、移动通信系统、以及去激活化定时器控制方法
WO2018133831A1 (fr) * 2017-01-20 2018-07-26 北京佰才邦技术有限公司 Procédé de commutation automatique pour terminal, station de base, et terminal

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PANASONIC: "R2-082943: Remaining Issues on Handover Procedure", 3GPP TSG RAN WG2 RRC ADHOC, 2 June 2008 (2008-06-02), XP050142133 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114363970A (zh) * 2020-08-25 2022-04-15 华为技术有限公司 一种通信方法及装置
CN114363970B (zh) * 2020-08-25 2024-04-09 华为技术有限公司 一种通信方法及装置

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