WO2022228437A1 - Procédé et appareil de transfert, et dispositif et support de stockage lisible - Google Patents

Procédé et appareil de transfert, et dispositif et support de stockage lisible Download PDF

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Publication number
WO2022228437A1
WO2022228437A1 PCT/CN2022/089340 CN2022089340W WO2022228437A1 WO 2022228437 A1 WO2022228437 A1 WO 2022228437A1 CN 2022089340 W CN2022089340 W CN 2022089340W WO 2022228437 A1 WO2022228437 A1 WO 2022228437A1
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WIPO (PCT)
Prior art keywords
information
service
network
instructs
handover command
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PCT/CN2022/089340
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English (en)
Chinese (zh)
Inventor
金巴·迪·阿达姆布巴卡
杨晓东
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维沃移动通信有限公司
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Publication of WO2022228437A1 publication Critical patent/WO2022228437A1/fr

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/24Reselection being triggered by specific parameters
    • H04W36/30Reselection being triggered by specific parameters by measured or perceived connection quality data
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/0005Control or signalling for completing the hand-off
    • H04W36/0055Transmission or use of information for re-establishing the radio link
    • H04W36/0058Transmission of hand-off measurement information, e.g. measurement reports
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W12/00Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/06Authentication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/24Reselection being triggered by specific parameters
    • H04W36/30Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/305Handover due to radio link failure

Definitions

  • the present application belongs to the field of communication technologies, and in particular relates to a handover (Hand Over, HO) method, apparatus, device, and readable storage medium.
  • HO handover
  • a terminal such as a user equipment (User Equipment, UE)
  • UE User Equipment
  • PDU Protocol Data Unit
  • the network side transmits the UE's control plane connection, user plane connection and transmission status between different network nodes to Ensure that the service transmission of the UE can be continuous, uninterrupted, and meet the requirements of lossless as required.
  • non-access stratum Non-Access-Stratum
  • RRC Radio Resource Control
  • DRB Data Radio Bearer
  • QoS Quality of Service
  • Radio Link Failure Radio Link Failure
  • the embodiments of the present application provide a handover method, apparatus, device, and readable storage medium, which can solve the problem of how to perform a HO process when two or more devices perform common service transmission.
  • a switching method including:
  • the first device receives a handover command from the network-side device, where the handover command instructs the first device and one or more second devices to perform a handover procedure uniformly, or the handover command instructs the first device to execute a handover procedure;
  • the first device executes a switching process according to the switching command
  • the first device and the one or more second devices jointly transmit the first service.
  • a switching method including:
  • the network-side device sends a handover command to the first device, where the handover command instructs the first device and one or more second devices to perform a handover procedure uniformly, or the handover command instructs the first device to perform a handover procedure;
  • the first device and the one or more second devices jointly transmit the first service.
  • a switching device comprising:
  • the first receiving module used to receive a handover command from a network-side device, the handover command instructing the first device and one or more second devices to perform a handover procedure uniformly, or the handover command instructing the first device to execute a handover process switching process;
  • an execution module configured to execute a switching process according to the switching command
  • the first device and the one or more second devices jointly transmit the first service.
  • a switching device comprising:
  • a third sending module configured to send a handover command to the first device, where the handover command instructs the first device and one or more second devices to perform a handover procedure in a unified manner, or the handover command instructs the first device to execute a handover procedure switching process;
  • the first device and the one or more second devices jointly transmit the first service.
  • a terminal including: a processor, a memory, and a program stored on the memory and executable on the processor, the program being executed by the processor as described in the first aspect steps of the method described.
  • a terminal including a processor and a communication interface, wherein the processor is configured to implement the steps of the method according to the first aspect when executed.
  • a seventh aspect provides a network-side device, including: a processor, a memory, and a program stored on the memory and executable on the processor, the program being executed by the processor to achieve the second The steps of the method of the aspect.
  • a network side device including a processor and a communication interface, wherein the processor is configured to implement the steps of the method according to the second aspect when executed.
  • a readable storage medium is provided, and a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the steps of the method according to the first aspect or the second aspect are implemented.
  • a tenth aspect provides a computer program/program product, the computer program/program product being stored in a non-volatile storage medium, the computer program/program product being executed by at least one processor to implement the first aspect or the steps of the processing method described in the second aspect.
  • a chip in an eleventh aspect, includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the first aspect or the second The method of processing described in the aspect.
  • an embodiment of the present application provides a terminal configured to execute the steps of the method described in the first aspect.
  • an embodiment of the present application provides a network-side device configured to perform the steps of the method described in the second aspect.
  • the network side may instruct multiple devices to perform handover in a unified manner, or instruct the device where RLF occurs to perform handover, so as to avoid interruption of services jointly transmitted by multiple devices , to ensure the reliability of data transmission and user experience.
  • FIG. 1 is a schematic diagram of a wireless communication system to which an embodiment of the present application can be applied;
  • FIG. 2 is one of the flowcharts of the handover method provided by the embodiment of the present application.
  • FIG. 3 is the second flowchart of the handover method provided by the embodiment of the present application.
  • FIG. 4 is the third flowchart of the handover method provided by the embodiment of the present application.
  • FIG. 5 is the fourth flowchart of the handover method provided by the embodiment of the present application.
  • FIG. 6 is the fifth flowchart of the handover method provided by the embodiment of the present application.
  • FIG. 7 is the sixth flowchart of the handover method provided by the embodiment of the present application.
  • FIG. 8 is one of the schematic diagrams of the switching device provided by the embodiment of the present application.
  • FIG. 9 is the second schematic diagram of the switching device provided by the embodiment of the present application.
  • FIG. 10 is a schematic diagram of a terminal in an embodiment of the present application.
  • FIG. 11 is a schematic diagram of a network side device in an embodiment of the present application.
  • first, second, etc. in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specified order or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and that "first”, “second” distinguishes Usually it is a class, and the number of objects is not limited.
  • the first object may be one or multiple.
  • “and” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the associated objects are in an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced LTE-Advanced
  • LTE-A Long Term Evolution-Advanced
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of the present application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies.
  • NR New Radio
  • the following description describes a New Radio (NR) system for example purposes, and uses NR terminology in most of the description below, but the techniques can also be applied to applications other than NR system applications, such as 6th generation (6th generation ) Generation, 6G) communication system.
  • 6th generation 6th generation
  • 6G 6th generation
  • the wireless communication system includes a terminal 11 and a network side device 12 .
  • the terminal 11 may also be called a terminal device or a user terminal (User Equipment, UE), and the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital computer Assistant (Personal Digital Assistant, PDA), handheld computer, netbook, ultra-mobile personal computer (ultra-mobile personal computer, UMPC), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or vehicle-mounted device (VUE), pedestrian terminal (PUE) and other terminal-side devices, wearable devices include: smart watches, bracelets, headphones, glasses, etc. It should be noted that the embodiments of the present application do not limit the specific type of terminals 11 and the number of terminals 11 , for example, the number may be 2, 3, 4, or more than 4.
  • the network side device 12 may be a base station or a core network, where the base station may be referred to as a Node B, an evolved Node B, an access point, a Base Transceiver Station (BTS), a radio base station, a radio transceiver, a basic service set (BasicServiceSet, BSS), Extended Service Set (Extended ServiceSet, ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, Wireless Local Area Networks (WLAN) access point , Wireless Fidelity (Wireless Fidelity, WiFi) node, Transmitting Receiving Point (TRP), wireless access network node or some other suitable term in the field, as long as the same technical effect is achieved, the base station Not limited to the specified technical vocabulary, it should be noted that, in the embodiments of this application, only the base station in the NR system is used as an example, but the specific type of the base station is not limited.
  • an embodiment of the present application provides a switching method, and the specific steps include: step 201 and step 202 .
  • Step 201 The first device receives a handover command (Handover Command, HO CMD) from the network side device, and the handover command instructs the first device and one or more second devices to perform a unified handover process, or the handover command instructs the first device performs a handover process;
  • a handover command Handover Command, HO CMD
  • the first device is a device where RLF occurs.
  • Step 202 the first device executes a handover process according to the handover command
  • the first device and the one or more second devices jointly transmit a first service, for example, the first service may be a streaming media service, and the same video is played on the first device and one or more second devices , of course not limited to this.
  • the first service may be a streaming media service, and the same video is played on the first device and one or more second devices , of course not limited to this.
  • both the first device and one or more second devices can receive the handover command, so that the first device and one or more second devices can execute the handover command uniformly according to the handover command; or, the network side
  • the device only sends the handover command to the first device.
  • the handover command instructs the first device to execute the handover command.
  • the first device After the first device receives the handover command, it can forward the handover command to the second device.
  • the handover command instructs the first device to execute the handover command.
  • the second device performs the handover process.
  • the first device may also be referred to as a master device (for example, a master UE (master UE)), the second device may also be referred to as a secondary device (for example, a secondary UE (secondary UE)), or the first device may also be referred to as As a secondary device, the second device may also be referred to as a primary device.
  • a master device for example, a master UE (master UE)
  • the second device may also be referred to as a secondary device (for example, a secondary UE (secondary UE))
  • the first device may also be referred to as As a secondary device
  • the second device may also be referred to as a primary device.
  • the handover command instructs the first device and one or more second devices to perform a handover procedure in a unified manner
  • the first device and the one or more second devices The second device maintains a radio resource control (Radio Resource Control, RRC) connection with the network side device, see scenario 1 introduced below.
  • RRC Radio Resource Control
  • the first device when the handover command instructs the first device to perform a handover procedure, the first device maintains an RRC connection with the network-side device, and the one or more The second device maintains a data transmission link with the network-side device, see scenario 2 introduced below.
  • the method before the first device receives the handover command from the network side device, the method further includes:
  • the first device performs measurement to obtain a first measurement result
  • the first device reports eleventh information to the network-side device, where the eleventh information includes: a first measurement result, or the eleventh information includes the first measurement result and the second measurement result,
  • the second measurement result is obtained by performing measurement by the second device, and obtained by the first device through interaction with the second device.
  • one or more of the following may be exchanged between the first device and the second device: measurement results and handover related information.
  • the eleventh information further includes one or more of the following:
  • identification information of the second device for example, the temporary mobile subscriber identity (Serving-Temporary Mobile Subscriber Identity, S-TMSI) of the second device;
  • S-TMSI Server-Temporary Mobile Subscriber Identity
  • auxiliary information of the second device such as power saving requirements, transmission requirements, and the like.
  • the method further includes:
  • the first device obtains the first information
  • the first device stops transmitting the first service according to the first information
  • the first information instructs the first device and one or more second devices to stop transmitting the first service, or the first information instructs the first device to stop transmitting the first service.
  • the method when the first information instructs the first device to stop transmitting the first service, the method further includes:
  • the first device sends third information to the network-side device, where the third information instructs the network-side device to stop sending data related to the first service to the second device.
  • the third information further includes one or more of the following:
  • Identification information of the second device for example, the S-TMSI of the second device
  • auxiliary information of the second device such as power saving requirements, transmission requirements, and the like.
  • the method further includes:
  • the first device resumes transmitting the first service.
  • the first device and the second device uniformly resume receiving the first service from the network-side device, or the first device resumes receiving the first service from the network-side device, and the first device determines to resume the second device receiving the first service from the network-side device. a business.
  • the first device resuming the transmission of the first service includes:
  • the first device receives fourth information from the network-side device, where the fourth information instructs the first device and one or more second devices to resume transmitting the first service, or the fourth information indicates the the first device resumes transmitting the first service;
  • the first device resumes transmission of the first service according to the fourth information.
  • the method when the fourth information instructs the first device to resume transmitting the first service, the method further includes:
  • the first device sends sixth information to the network-side device, where the sixth information instructs the network-side device to resume sending data related to the first service to the second device.
  • the sixth information further includes one or more of the following:
  • Identification information of the second device for example, the S-TMSI of the second device
  • auxiliary information of the second device such as power saving requirements, transmission requirements, and the like.
  • the method further includes:
  • the first device activates the transmission of the first service.
  • the first device activates the transmission of the first service, including one of the following:
  • the first device receives seventh information from the network-side device, where the seventh information instructs the first device and one or more second devices to activate the transmission of the first service;
  • the first device receives eighth information from the network-side device, where the eighth information instructs the first device to activate the transmission of the first service;
  • the first device autonomously activates the transmission of the first service.
  • the handover command further includes related information of the second device, and the related information of the second device includes one or more of the following:
  • Identification information of the second device for example, the S-TMSI of the second device
  • auxiliary information of the second device such as power saving requirements, transmission requirements, etc.
  • Reconfiguration information of the second device for example, the reconfiguration information is used to configure the second device to establish RRC reconnection with the network side device;
  • Tenth information where the tenth information indicates to deactivate the transmission of the first service.
  • the first device can forward the handover command to the second device based on the relevant information of the second device, so that even if The network-side device does not directly send the handover command to the second device, and the second device can also obtain the handover command through the first device, so that the second device can also execute the handover process.
  • the UE can receive a handover command from the network side device , the handover command instructs the UE or instructs the UE and the smart watch to uniformly execute the handover process, so as to avoid interruption of the streaming media service jointly transmitted by the UE and the smart watch or affecting the user experience.
  • the network side may instruct multiple devices to perform handover in a unified manner, or instruct the device where RLF occurs to perform handover, so as to avoid interruption of services jointly transmitted by multiple devices , to ensure the reliability of data transmission and user experience.
  • an embodiment of the present application provides a switching method, and the specific steps include: step 301 .
  • Step 301 The network side device sends a handover command to the first device, the handover command instructs the first device and one or more second devices to perform a handover procedure in a unified manner, or the handover command instructs the first device to perform handover process;
  • the first device and the one or more second devices jointly transmit the first service.
  • the first device is a device where RLF occurs.
  • the handover command instructs the first device and one or more second devices to perform a handover procedure in a unified manner
  • the first device and the one or more second devices The second device maintains the RRC connection with the network side device.
  • the first device when the handover command instructs the first device to perform a handover procedure, the first device maintains an RRC connection with the network-side device, and the one or more The second device maintains a data transmission link with the network-side device.
  • the method before the first device receives the handover command from the network side device, the method further includes:
  • the first device receives the eleventh information reported by the first device from the network side device, where the eleventh information includes: a first measurement result, or the eleventh information includes the first measurement result and The second measurement result, the first measurement result is obtained by the measurement performed by the first device, and the second measurement result is obtained by the measurement performed by the second device.
  • the eleventh information further includes one or more of the following:
  • Identification information of the second device for example, the S-TMSI of the second device
  • auxiliary information of the second device such as power saving requirements, transmission requirements, and the like.
  • the handover command further includes one or more of the following:
  • Identification information of the second device for example, the S-TMSI of the second device
  • auxiliary information of the second device such as power saving requirements, transmission requirements, etc.
  • Tenth information where the tenth information indicates to deactivate the transmission of the first service.
  • the network side may instruct multiple devices to perform handover in a unified manner, or instruct the device where RLF occurs to perform handover, so as to avoid interruption of services jointly transmitted by multiple devices , to ensure the reliability of data transmission and user experience.
  • the two UEs include UE1 and UE2, where UE1 may also be referred to as a master UE (master UE), and UE2 may also be referred to as a secondary UE (secondary UE).
  • master UE master UE
  • secondary UE secondary UE
  • Scenario 1 Both UE1 and UE2 maintain an RRC connection with the network and perform HO independently.
  • scenario 1 can include the following two solutions:
  • (2) UEs may not stop common transmission between UEs, and continue common transmission before and after HO.
  • Scheme 1 Stop common transmission between UE1 and UE2, and then reconfigure and start common transmission after HO.
  • both UE1 and UE2 perform RRC measurement, and obtain a first measurement result and a second measurement result, respectively.
  • measurement results can be exchanged between UE1 and UE2.
  • UE1 reports eleventh information to the network side device, where the eleventh information may include: the first measurement result and/or the second measurement result, and further, the eleventh information may further include related information of UE2.
  • the relevant information of UE2 may include one or more of the following:
  • the identity information of UE2 for example, the temporary mobile subscriber identity (Serving-Temporary Mobile Subscriber Identity, S-TMSI) of UE2;
  • S-TMSI Serving-Temporary Mobile Subscriber Identity
  • auxiliary information of UE2 such as power saving requirements, transmission requirements, and the like.
  • the network-side device can select an appropriate target cell for UE1 and UE2 according to the measurement results reported by UE1 and UE2, and the network-side device issues a handover command (Handover Command, HO CMD) to UE1 and UE2.
  • HO CMD handover Command
  • UE1 and UE2 When UE1 and UE2 receive the HO CMD, UE1 and UE2 stop common transmission.
  • the manner of stopping common transmission may include one or more of the following:
  • UE1 acquires first information, the first information instructs UE1 and UE2 to stop joint transmission, and UE1 and UE2 stop joint transmission when they receive the first information.
  • UE1 acquires the first information, the first information instructs UE1 to stop common transmission, after UE1 receives the first instruction, the UE1 may instruct to stop common transmission of UE2.
  • the first information may also include one or more of the following:
  • auxiliary information of UE2 such as power saving requirements, transmission requirements, and the like.
  • the first information may be carried in the HO CMD.
  • the manner in which UE1 may instruct to stop the common transmission of UE2 includes:
  • UE1 sends second information to UE2, where the second information instructs UE2 to stop common transmission.
  • the UE2 confirms to the UE1 that the common transmission is stopped.
  • UE1 sends third information to the network-side device, where the third information instructs the network-side device to stop sending data related to common transmission to UE2.
  • the network side device may confirm to UE1 that it stops sending data to UE2.
  • the third information may also include one or more of the following:
  • auxiliary information of UE2 such as power saving requirements, transmission requirements, and the like.
  • UE1 and UE2 can resume common transmission.
  • UE1 and UE2 resume the common transmission method including:
  • the network side device sends fourth information to UE1 and UE2, where the fourth information instructs UE1 and UE2 to resume common transmission.
  • UE1 and UE2 resume common transmission after receiving the fourth information.
  • the network side device sends fourth information to UE1, where the fourth information instructs UE1 to resume common transmission.
  • UE1 After UE1 receives the fourth information, it determines to resume the common transmission of UE2.
  • the fourth information may include one or more of the following:
  • auxiliary information of UE2 such as power saving requirements, transmission requirements, and the like.
  • UE1 determining to resume common transmission may include:
  • UE1 sends fifth information to UE2, where the fifth information instructs UE2 to resume common transmission.
  • the UE2 may confirm the resumption of the common transmission to the UE1.
  • UE1 sends sixth information to the network-side device, where the sixth information instructs the network-side device to resume sending data related to common transmission to UE2.
  • the network side device confirms to UE1 that it resumes sending data to UE2.
  • the sixth information may include one or more of the following:
  • auxiliary information of UE2 such as power saving requirements, transmission requirements, and the like.
  • Scheme 2 UE1 and UE2 may not stop co-transmission, and continue co-transmission after HO.
  • UE1 and UE2 perform RRC measurement to obtain a first measurement result and a second measurement result.
  • measurement results can be exchanged between UE1 and UE2.
  • UE1 reports eleventh information to the network side device, where the eleventh information includes: the first measurement result and/or the second measurement result, and further, the eleventh information may further include related information of UE2.
  • the relevant information of UE2 may include one or more of the following:
  • Identification information of UE2 for example, S-TMSI of UE2;
  • auxiliary information of UE2 such as power saving requirements, transmission requirements, and the like.
  • the network-side device can select an appropriate target cell for UE1 and UE2 according to the measurement results reported by UE1 and UE2, and the network-side device sends the HO CMD to UE1 and UE2.
  • the HO CMD includes one or more of the following:
  • auxiliary information of UE2 such as power saving requirements, transmission requirements, and the like.
  • UE1 and UE2 When UE1 and UE2 receive the HO CMD, UE1 and UE2 use the relevant reconfiguration information in the HO CMD to perform the HO procedure.
  • UE1 and UE2 complete the HO procedure.
  • UE1 and UE2 may activate data transmission related to the common transmission.
  • the method of activating the data transmission related to the common transmission of UE1 and UE2 includes:
  • the network side device instructs UE1 and UE2 to activate data transmission related to joint transmission.
  • UE1 and UE2 may feed back to the network-side device that data transmission related to common transmission has been activated.
  • Scenario 2 UE1 maintains the RRC connection with the network and is responsible for performing HO, and UE2 only maintains the data link with the network.
  • scenario 1 can include the following two solutions:
  • (2) UEs may not stop common transmission between UEs, and continue common transmission before and after HO.
  • Scheme 1 Stop common transmission between UE1 and UE2, and then reconfigure and start common transmission after HO.
  • UE1 performs RRC measurement to obtain a first measurement result.
  • the UE1 reports eleventh information to the network side device, where the eleventh information may include: the first measurement result, and further, the eleventh information may further include related information of UE2.
  • the relevant information of UE2 may include one or more of the following:
  • Identification information of UE2 for example, S-TMSI of UE2;
  • auxiliary information of UE2 such as power saving requirements, transmission requirements, and the like.
  • the network side device sends the HO CMD to UE1.
  • UE1 and UE2 stop co-transmission.
  • the manner of stopping the common transmission may include:
  • the UE1 acquires the first information, and the first information instructs the UE1 to stop the common transmission. After the UE1 receives the first instruction, the UE1 may instruct the UE2 to stop the common transmission.
  • the first information may also include one or more of the following:
  • auxiliary information of UE2 such as power saving requirements, transmission requirements, and the like.
  • the first information may be carried in the HO CMD.
  • the manner in which UE1 may instruct to stop the common transmission of UE2 includes:
  • UE1 sends second information to UE2, where the second information instructs UE2 to stop common transmission.
  • the UE2 confirms to the UE1 that the common transmission is stopped.
  • UE1 sends third information to the network-side device, where the third information instructs the network-side device to stop sending data related to common transmission to UE2.
  • the network side device may confirm to UE1 that it stops sending data to UE2.
  • the third information may also include one or more of the following:
  • auxiliary information of UE2 such as power saving requirements, transmission requirements, and the like.
  • UE1 and UE2 can resume common transmission.
  • UE1 and UE2 resume the common transmission method including:
  • the network side device sends fourth information to UE1, where the fourth information instructs UE1 to resume common transmission.
  • UE1 After UE1 receives the fourth information, it determines to resume the common transmission of UE2.
  • the fourth information may include one or more of the following:
  • auxiliary information of UE2 such as power saving requirements, transmission requirements, and the like.
  • UE1 determining to resume common transmission may include:
  • UE1 sends fifth information to UE2, where the fifth information instructs UE2 to resume common transmission.
  • the UE2 may confirm the resumption of the common transmission to the UE1.
  • UE1 sends sixth information to the network-side device, where the sixth information instructs the network-side device to resume sending data related to common transmission to UE2.
  • the network side device confirms to UE1 that it resumes sending data to UE2.
  • the sixth information may include one or more of the following:
  • auxiliary information of UE2 such as power saving requirements, transmission requirements, and the like.
  • Scheme 2 UE1 and UE2 may not stop co-transmission.
  • UE1 performs RRC measurement to obtain a first measurement result.
  • UE1 reports eleventh information to the network side device, where the eleventh information includes: the first measurement result and/or the second measurement result, and further, the eleventh information may further include related information of UE2.
  • the relevant information of UE2 may include one or more of the following:
  • Identification information of UE2 for example, S-TMSI of UE2;
  • auxiliary information of UE2 such as power saving requirements, transmission requirements, and the like.
  • the network side device sends the HO CMD to UE1.
  • the HO CMD includes one or more of the following:
  • auxiliary information of UE2 such as power saving requirements, transmission requirements, and the like.
  • UE1 may forward the HO CMD to UE2.
  • UE1 and UE2 use the relevant reconfiguration information in the HO CMD.
  • UE1 and UE2 can activate the data transmission related to the common transmission.
  • the way of activating the data transmission related to the common transmission of UE1 and UE2 includes:
  • the network side device sends eighth information to UE1, the eighth information instructs UE1 to activate data transmission related to common transmission, UE1 sends ninth information to UE2, and the ninth information instructs UE2 to activate data transmission related to common transmission.
  • UE1 and UE2 can feed back to the network side device that data transmission related to common transmission has been activated
  • an embodiment of the present application provides a switching apparatus.
  • the apparatus 800 is applied to a first device, and the apparatus 800 includes:
  • a first receiving module 801 configured to receive a handover command from a network-side device, where the handover command instructs the first device and one or more second devices to perform a handover procedure uniformly, or the handover command instructs the first device Execute the switching process;
  • an execution module 802 configured to execute a switching process according to the switching command
  • the first device and the one or more second devices jointly transmit the first service.
  • the first device may also be called UE1, a master UE (master UE), the second device may also be called UE2, a secondary UE (secondary UE), or the first device may also be called a secondary UE, the second device A device may also be referred to as a master UE.
  • the handover command instructs the first device and one or more second devices to perform a handover procedure in a unified manner
  • the first device and the one or more second devices The second device maintains the RRC connection with the network side device.
  • the first device when the handover command instructs the first device to perform a handover procedure, the first device maintains an RRC connection with the network-side device, and the one or more The second device maintains a data transmission link with the network-side device.
  • the apparatus 800 further includes: a reporting module
  • the execution module 802 is further configured to perform measurement to obtain a first measurement result
  • a reporting module configured to report eleventh information to the network-side device, where the eleventh information includes: a first measurement result, or the eleventh information includes the first measurement result and the second measurement result,
  • the second measurement result is obtained by performing measurement by the second device, and obtained by the first device through interaction with the second device.
  • one or more of the following may be exchanged between the first device and the second device: measurement results and handover related information.
  • the eleventh information further includes one or more of the following:
  • Identification information of the second device for example, the S-TMSI of the second device
  • auxiliary information of the second device such as power saving requirements, transmission requirements, and the like.
  • the apparatus 800 further includes: an acquisition module;
  • an acquisition module for acquiring the first information
  • the execution module 802 is further configured to stop transmitting the first service according to the first information
  • the first information instructs the first device and one or more second devices to stop transmitting the first service, or the first information instructs the first device to stop transmitting the first service.
  • the apparatus 800 further includes: a first sending module
  • the first sending module configured to send second information to the second device, where the second information instructs the second device to stop transmitting the first service
  • the first sending module is configured to send third information to the network-side device, where the third information instructs the network-side device to stop sending data related to the first service to the second device.
  • the third information further includes one or more of the following:
  • Identification information of the second device for example, the S-TMSI of the second device
  • auxiliary information of the second device such as power saving requirements, transmission requirements, and the like.
  • the apparatus 800 further includes: a restoration module, configured to restore the transmission of the first service.
  • the recovery module is further used for:
  • Fourth information is received from a network-side device, where the fourth information instructs the first device and one or more second devices to resume transmitting the first service, or the fourth information instructs the first device to resume transmission of the first service
  • the first service is transmitted; and the transmission of the first service is resumed according to the fourth information.
  • the apparatus 800 further includes: a second sending module, configured to:
  • the sixth information further includes one or more of the following:
  • Identification information of the second device for example, the S-TMSI of the second device
  • auxiliary information of the second device such as power saving requirements, transmission requirements, and the like.
  • the apparatus 800 further includes: an activation module, configured to activate the transmission of the first service.
  • the activation module is further used for one of the following:
  • the handover command further includes one or more of the following:
  • Identification information of the second device for example, the S-TMSI of the second device
  • auxiliary information of the second device such as power saving requirements, transmission requirements, etc.
  • Tenth information where the tenth information indicates to deactivate the transmission of the first service.
  • the apparatus provided in the embodiment of the present application can implement each process implemented by the method embodiment shown in FIG. 2 , and achieve the same technical effect. To avoid repetition, details are not described here.
  • an embodiment of the present application provides a switching apparatus.
  • the apparatus 900 is applied to a network side device, and the apparatus 900 includes:
  • the third sending module 901 is configured to send a switching command to the first device, where the switching command instructs the first device and one or more second devices to perform a unified switching process, or the switching command instructs the first device Execute the switching process;
  • the first device and the one or more second devices jointly transmit the first service.
  • the handover command instructs the first device and one or more second devices to perform a handover procedure in a unified manner
  • the first device and the one or more second devices The second device maintains the RRC connection with the network side device.
  • the first device when the handover command instructs the first device to perform a handover procedure, the first device maintains an RRC connection with the network-side device, and the one or more The second device maintains a data transmission link with the network-side device.
  • the apparatus 900 further includes:
  • a second receiving module configured to receive eleventh information reported by the first device, where the eleventh information includes: a first measurement result, or the eleventh information includes a first measurement result and a second measurement result , the first measurement result is obtained by the measurement performed by the first device, and the second measurement result is obtained by the measurement performed by the second device.
  • the eleventh information further includes one or more of the following:
  • Identification information of the second device for example, the S-TMSI of the second device
  • auxiliary information of the second device such as power saving requirements, transmission requirements, and the like.
  • the handover command further includes one or more of the following:
  • Identification information of the second device for example, the S-TMSI of the second device
  • auxiliary information of the second device such as power saving requirements, transmission requirements, etc.
  • Tenth information the tenth information indicates to deactivate the transmission of the first service
  • the apparatus provided in this embodiment of the present application can implement each process implemented by the method embodiment shown in FIG. 3 , and achieve the same technical effect. To avoid repetition, details are not described here.
  • An embodiment of the present application further provides a terminal, including a processor and a communication interface, where the processor is configured to receive a handover command from a network-side device, where the handover command instructs the first device and one or more second devices to execute a handover process uniformly , or the handover command instructs the first device to execute the handover procedure; the processor is configured to execute the handover procedure according to the handover command.
  • a terminal including a processor and a communication interface, where the processor is configured to receive a handover command from a network-side device, where the handover command instructs the first device and one or more second devices to execute a handover process uniformly , or the handover command instructs the first device to execute the handover procedure; the processor is configured to execute the handover procedure according to the handover command.
  • This terminal embodiment corresponds to the above-mentioned terminal-side method embodiment, and each implementation process and implementation manner of the above-mentioned method embodiment can be applied to this terminal embodiment, and can achieve the same technical effect.
  • FIG. 10 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • the terminal 1000 includes but is not limited to: a radio frequency unit 1001, a network module 1002, an audio output unit 1003, an input unit 1004, a sensor 1005, and a display unit 1006 , the user input unit 1007 , the interface unit 1008 , the memory 1009 , and at least some of the components in the processor 1010 and the like.
  • the terminal 1000 may also include a power source (such as a battery) for supplying power to various components, and the power source may be logically connected to the processor 1010 through a power management system, so as to manage charging, discharging, and power consumption through the power management system management and other functions.
  • a power source such as a battery
  • the terminal structure shown in FIG. 10 does not constitute a limitation on the terminal, and the terminal may include more or less components than shown, or combine some components, or arrange different components, which will not be repeated here.
  • the input unit 1004 may include a graphics processor (Graphics Processing Unit, GPU) 10041 and a microphone 10042. Such as camera) to obtain still pictures or video image data for processing.
  • the display unit 1006 may include a display panel 10061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 1007 includes a touch panel 10071 and other input devices 10072.
  • the touch panel 10071 is also called a touch screen.
  • the touch panel 10071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 10072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be repeated here.
  • the radio frequency unit 1001 receives the downlink data from the network side device, and then processes it to the processor 1010; in addition, sends the uplink data to the network side device.
  • the radio frequency unit 1001 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • Memory 1009 may be used to store software programs or instructions as well as various data.
  • the memory 1009 may mainly include a stored program or instruction area and a storage data area, wherein the stored program or instruction area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.) and the like.
  • the memory 1009 may include a high-speed random access memory, and may also include a non-volatile memory, wherein the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM) , PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • PROM erasable programmable read-only memory
  • Erasable PROM Erasable PROM
  • EPROM electrically erasable programmable read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • flash memory for example at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
  • the processor 1010 may include one or more processing units; optionally, the processor 1010 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface, and application programs or instructions, etc. Modem processors mainly deal with wireless communications, such as baseband processors. It can be understood that, the above-mentioned modulation and demodulation processor may not be integrated into the processor 1010.
  • the radio frequency unit 1001 receives a handover command from a network-side device, and the handover command instructs the first device and one or more second devices to perform a handover procedure uniformly, or the handover command instructs
  • the first device executes the handover procedure
  • the processor 1010 executes the handover procedure according to the handover command.
  • the processor 1010 performs measurement to obtain a first measurement result
  • the radio frequency unit 1001 reports eleventh information to the network-side device, where the eleventh information includes: the first measurement result, Or the eleventh information includes the first measurement result and a second measurement result, the second measurement result is obtained by the second device performing the measurement, and the first device interacts with the second device obtained.
  • the processor 1010 acquires first information; stops transmitting the first service according to the first information; wherein the first information indicates the first device and one or more The second device stops transmitting the first service, or the first information instructs the first device to stop transmitting the first service.
  • the radio frequency unit 1001 sends second information to the second device, the second information instructs the second device to stop transmitting the first service; or, the radio frequency unit 1001 sends the second information to the second device.
  • the network-side device sends third information, where the third information instructs the network-side device to stop sending data related to the first service to the second device.
  • the processor 1010 resumes transmitting the first service.
  • the radio frequency unit 1001 receives fourth information from the network-side device, where the fourth information instructs the first device and one or more second devices to resume transmitting the first service, or , the fourth information instructs the first device to resume transmission of the first service; the processor 1010 resumes transmission of the first service according to the fourth information.
  • the radio frequency unit 1001 sends fifth information to the second device, where the fifth information instructs the second device to resume transmitting the first service; or, the radio frequency unit 1001 sends fifth information to the second device.
  • the network-side device sends sixth information, where the sixth information instructs the network-side device to resume sending data related to the first service to the second device.
  • the processor 1010 activates the transmission of the first service.
  • the radio frequency unit 1001 receives seventh information from a network side device, where the seventh information instructs the first device and one or more second devices to activate the transmission of the first service;
  • the radio frequency unit 1001 receives eighth information from the network side device, the eighth information instructs the first device to activate the transmission of the first service;
  • the radio frequency unit 1001 sends the ninth information to the one or more second devices information, the ninth information instructs the second device to activate the transmission of the first service; or, the processor 1010 autonomously activates the transmission of the first service.
  • the terminal provided in this embodiment of the present application can implement each process implemented by the method embodiment shown in FIG. 2 and achieve the same technical effect. To avoid repetition, details are not described here.
  • An embodiment of the present application further provides a network-side device, including a processor and a communication interface, where the communication interface is used to send a handover command to a first device, where the handover command instructs the first device and one or more second devices
  • the handover procedure is executed uniformly, or the handover command instructs the first device to execute the handover procedure.
  • This network-side device embodiment corresponds to the above-mentioned network-side device method embodiment, and each implementation process and implementation manner of the above-mentioned method embodiment can be applied to this network-side device embodiment, and can achieve the same technical effect.
  • the network side device 1100 includes: an antenna 1101 , a radio frequency device 1102 , and a baseband device 1103 .
  • the antenna 1101 is connected to the radio frequency device 1102 .
  • the radio frequency device 1102 receives information through the antenna 1101, and sends the received information to the baseband device 1103 for processing.
  • the baseband device 1103 processes the information to be sent and sends it to the radio frequency device 1102
  • the radio frequency device 1102 processes the received information and sends it out through the antenna 11101 .
  • the above-mentioned frequency band processing apparatus may be located in the baseband apparatus 1103 , and the method performed by the network side device in the above embodiments may be implemented in the baseband apparatus 1103 , and the baseband apparatus 1103 includes a processor 1104 and a memory 1105 .
  • the baseband device 1103 may include, for example, at least one baseband board on which multiple chips are arranged, as shown in FIG. 11 , one of the chips is, for example, the processor 1104 , which is connected to the memory 1105 to call the program in the memory 1105 to execute The network devices shown in the above method embodiments operate.
  • the baseband device 1103 may further include a network interface 1106 for exchanging information with the radio frequency device 1102, and the interface is, for example, a common public radio interface (CPRI for short).
  • CPRI common public radio interface
  • the network-side device in this embodiment of the present application further includes: instructions or programs that are stored in the memory 1105 and run on the processor 1104 .
  • the network interface 1106 sends a handover command to the first device, where the handover command instructs the first device and one or more second devices to perform a handover procedure uniformly, or the handover command instructs the first device A device performs a handover procedure.
  • eleventh information reported by the first device is received, where the eleventh information includes: a first measurement result, or the eleventh information includes a first measurement result and a second measurement result , the first measurement result is obtained by the measurement performed by the first device, and the second measurement result is obtained by the measurement performed by the second device.
  • processor 1104 invokes the instructions or programs in the memory 1105 to execute the method executed by each module shown in FIG. 9 , and achieves the same technical effect. In order to avoid repetition, details are not described here.
  • Embodiments of the present application further provide a computer program/program product, where the computer program/program product is stored in a non-volatile storage medium, and the computer program/program product is executed by at least one processor to implement FIG. 2 or the steps of the method of processing described in FIG. 3 .
  • An embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, each process of the method embodiment shown in FIG. 2 or FIG. 3 is implemented. , and can achieve the same technical effect, in order to avoid repetition, it is not repeated here.
  • the processor is the processor in the terminal described in the foregoing embodiment.
  • the readable storage medium includes a computer-readable storage medium, such as a computer read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
  • An embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run a program or an instruction to implement the process shown in FIG. 2 or FIG. 3 above.
  • the chip includes a processor and a communication interface
  • the communication interface is coupled to the processor
  • the processor is used to run a program or an instruction to implement the process shown in FIG. 2 or FIG. 3 above.
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip, a system-on-chip, or a system-on-a-chip, or the like.

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

Abstract

La présente demande concerne un procédé et un appareil de transfert, ainsi qu'un dispositif et un support de stockage lisible, ledit procédé comprenant les étapes suivantes : un premier dispositif reçoit une instruction de transfert d'un dispositif côté réseau, l'instruction de transfert demandant au premier dispositif et à un ou plusieurs seconds dispositifs d'exécuter une procédure de transfert de manière unifiée, ou l'instruction de transfert demandant au premier dispositif d'exécuter la procédure de transfert ; et le premier dispositif exécute la procédure de transfert selon l'instruction de transfert, le premier dispositif et le(s) second(s) dispositif(s) transmettant conjointement un premier service.
PCT/CN2022/089340 2021-04-30 2022-04-26 Procédé et appareil de transfert, et dispositif et support de stockage lisible WO2022228437A1 (fr)

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