WO2022206552A1 - Procédé et appareil de transfert intercellulaire, dispositif côté réseau et terminal - Google Patents

Procédé et appareil de transfert intercellulaire, dispositif côté réseau et terminal Download PDF

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Publication number
WO2022206552A1
WO2022206552A1 PCT/CN2022/082750 CN2022082750W WO2022206552A1 WO 2022206552 A1 WO2022206552 A1 WO 2022206552A1 CN 2022082750 W CN2022082750 W CN 2022082750W WO 2022206552 A1 WO2022206552 A1 WO 2022206552A1
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WIPO (PCT)
Prior art keywords
service
side device
indication
network
network side
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PCT/CN2022/082750
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English (en)
Chinese (zh)
Inventor
钟婷婷
谢振华
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维沃移动通信有限公司
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Publication of WO2022206552A1 publication Critical patent/WO2022206552A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0007—Control or signalling for completing the hand-off for multicast or broadcast services, e.g. MBMS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link

Definitions

  • the present invention requires the priority of the Chinese patent application with the application number of 202110333962.9 and the invention titled "Handover Method, Apparatus, Network Side Equipment and Terminal” filed with the China Patent Office on March 29, 2021, the entire content of which is by reference Incorporated in the present invention.
  • the present application belongs to the technical field of mobile communication, and in particular relates to a method, apparatus and device for establishing an integrated mobile access and backhaul network.
  • Local MBS Local Multicast/Broadcast Service
  • UE User Equipment
  • a traditional base station at the edge of the service area of the Local MBS service provides the Local MBS service to the UE through a single protocol data unit session (Individual Protocol Data Unit session, Individual PDU session).
  • Individual PDU session Individual PDU session
  • a handover Will be directly handed over to the target base station based on the PDU session. If at this time, the target base station is outside the Local MBS service area, the Local MBS service provided by the target base station will not conform to the Local MBS service. As a result, the Local MBS business exceeds its business area.
  • the embodiments of the present application provide a switching method, device, network side device and terminal, which can solve the problem that the Local MBS service exceeds its service area.
  • a handover method is provided, which is performed by a first network-side device, and the method includes:
  • the first indication includes at least one of the following:
  • the service group identifier to which the first service belongs
  • a switching device comprising:
  • the first indication includes at least one of the following:
  • the service group identifier to which the first service belongs
  • a handover method executed by a terminal, and the method includes at least one of the following:
  • the fourth indication includes service area information.
  • a switching device comprising:
  • a third execution module configured to determine a fourth instruction
  • the fourth indication includes service area information.
  • a handover method is provided, which is performed by a core network function, and the method includes at least one of the following:
  • the fourth indication includes service area information.
  • a switching device comprising:
  • a fourth execution module configured to determine a fourth instruction
  • a fourth transceiver module configured to perform at least one of the following:
  • the fourth indication includes service area information.
  • a tenth aspect provides a network-side device, the network-side device includes a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction being executed by the When executed by the processor, the steps of the method described in the first aspect, the steps of the method described in the third aspect, or the steps of the method described in the seventh aspect are realized.
  • the first network side device sends the first indication to the second network side device, and when it is found that the target base station is outside the service area of the first service, the handover is rejected, thereby ensuring that the Local MBS service can only be used in It is provided within its business area, which improves the resource utilization efficiency of the Local MBS service.
  • FIG. 1 shows a schematic structural diagram of a wireless communication system to which an embodiment of the present application can be applied
  • FIG. 3 shows a schematic structural diagram of a switching device according to an embodiment of the present application
  • FIG. 4 shows another schematic flowchart of the handover method according to the embodiment of the present application
  • FIG. 5 shows another schematic structural diagram of a switching device according to an embodiment of the present application.
  • FIG. 6 shows another schematic flowchart of the handover method according to the embodiment of the present application.
  • FIG. 7 shows another schematic structural diagram of a switching device according to an embodiment of the present application.
  • FIG. 10 shows a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 12 is a schematic structural diagram of a terminal implementing an embodiment of the present application.
  • first, second and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific 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/or” 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 these techniques can also be applied to applications other than NR system applications, such as 6th Generation , 6G) communication system.
  • NR New Radio
  • FIG. 1 shows a schematic structural diagram of a wireless communication system to which an embodiment of the present application can be applied.
  • 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.
  • FIG. 2 shows a schematic flowchart of a handover method according to an embodiment of the present application.
  • the method is executed by the first network side device, in other words, the method may be executed by software or hardware installed on the first network side device.
  • the method may include the following steps.
  • Step S201 Send a first indication to the second network side device.
  • the first instruction may be a handover instruction sent by the first network side device to the second network side device, and the handover instruction may specifically be a handover request (handover required) message for N2 handover, or a handover request (handover required) for XN handover. Handover request) message.
  • the first indication may be used to instruct triggering the handover of the first service.
  • the content in the first indication may include at least one of the following:
  • the service identifier of the first service for example, when the first service is an MBS service or a LocalMBS service, the service identifier can be a Temporary Mobile Group Identifier (TMGI), a multicast address (source-specific IPMulticast address), the relevant identification of LocalMBS, etc.;
  • TMGI Temporary Mobile Group Identifier
  • IPMulticast address source-specific IPMulticast address
  • the service group identifier to which the first service belongs for example, in the case that the first service is an MBS service, the service group identifier may be an identifier of a multicast group;
  • Session ID of the first service for example, session ID (session ID);
  • Flow identifier of the first service for example, Quality of Service Flow Identifier (QFI);
  • QFI Quality of Service Flow Identifier
  • the service corresponding to the first indication includes the first service, such as LocalMBS service, MBS service, etc.;
  • the second network side device is outside the service area of the first service, for example, outside the service area of the Local MBS service;
  • the third network-side device is outside the service area of the first service.
  • the second network-side device is a core network function, an N2 handover occurs
  • the first network-side device is the original base station
  • the second network-side device is the original base station.
  • the network side device is an access and mobility management function (Access and Mobility Management Function, AMF), and the third network side device is a target base station.
  • AMF Access and Mobility Management Function
  • the second indication is used to indicate rejection of the handover of the first service.
  • the second indication may specifically be the protocol data unit session resource release table (PDU Session Resources to Release List IE) of the handover command (Handover Command) message sent by the AMF, which contains the protocol data of the first service.
  • PDU Session Resources to Release List IE protocol data unit session resource release table
  • step S201 further includes:
  • the fourth indication may be at least one of the following:
  • the fourth indication sent by the terminal Before sending the first indication to the second network side device, the fourth indication sent by the terminal is received, that is, the terminal sends the fourth indication before the first network side device sends the first indication to the second network side device.
  • the first network-side device refuses to send the first indication
  • the first network-side device removes the information of the first service from the first indication
  • the third condition includes that the second network side device is not within the service area of the first service.
  • the indication of the suspension of the first service such as session suspension of the MBS service, deactivation of the MBS service (session deactivation);
  • the indication of the deletion of the first service is, for example, session deletion (session delete) of the MBS service.
  • the first network side device is a base station or a core network function, for example, the first network side device may be an AMF.
  • the first network-side device is located within the service area of the first service, or the first network-side device is located outside the service area of the first service.
  • the second network side device is located within the service area of the first service, or the second network side device is located outside the service area of the first service.
  • the service area of the first service is the service area of the MBS service or the service area of the Local MBS service.
  • the first network side device when the first network side device is located in the service area of the first service or at the edge of the service area of the first service, the first network side device further includes at least one of the following:
  • the first network side device only has the function of initiating XN handover, that is, the first network side device can only initiate XN handover;
  • the first network side device only has the function of initiating N2 handover, that is, the first network side device can only initiate N2 handover;
  • the first network side device has the function of initiating XN handover and/or N2 handover, that is, the first network side device can initiate XN handover and/or N2 handover.
  • the first network side device sends a first indication to the second network side device, and when it is found that the target base station is outside the service area of the first service, the handover is rejected, thereby ensuring that the The Local MBS service can only be provided in its business area, which improves the resource utilization efficiency of the Local MBS service.
  • the execution subject may be a switching device, or a control module in the switching device for executing the switching method.
  • the switching device provided by the embodiments of the present application is described by taking a method for performing a handover performed by a switching device as an example.
  • FIG. 3 shows a schematic structural diagram of a switching apparatus according to an embodiment of the present application.
  • the switching apparatus includes: a first execution module 301 and a first transceiver module 302 .
  • the first execution module 301 is configured to determine the first indication; the first transceiver module 302 is configured to send the first indication to the second network side device; wherein the first indication includes at least one of the following:
  • the service group identifier to which the first service belongs
  • the first transceiver module 302 is further configured to receive a second indication sent by the second network side device; wherein the second indication It is sent by the second network side device after determining that the first condition is satisfied.
  • the first condition includes at least one of the following:
  • the service corresponding to the first indication includes the first service
  • the second network side device is outside the service area of the first service
  • the third network side device is outside the service area of the first service.
  • the second indication is used to indicate rejection of the handover of the first service.
  • the first transceiver module 302 is further configured to receive a fourth indication, wherein the fourth indication includes service area information.
  • the fourth indication includes at least one of the following:
  • the fourth indication sent by the core network function is the fourth indication sent by the core network function.
  • the first transceiver module 302 is configured to perform at least one of the following:
  • a fourth instruction sent by the terminal is received.
  • the first transceiver module 302 is further configured to perform at least one of the following:
  • the third condition includes that the second network-side device is not within the service area of the first service.
  • the fourth indication when the fourth indication is a fourth indication sent by the core network function, the fourth indication further includes at least one of the following:
  • the switching device is a base station or a core network function.
  • the switching device is a base station
  • the switching device is a base station that has a service type corresponding to the first service, or the switching device does not have a service corresponding to the first service. type of base station.
  • the second network side device is a base station or a core network function.
  • the second network side device is a base station
  • the second network side device is a base station with a service type corresponding to the first service, or the second network side device is not.
  • the switching device is located within the service area of the first service, or the switching device is located outside the service area of the first service.
  • the second network side device is located within the service area of the first service, or the second network side device is located outside the service area of the first service.
  • the switching device when the switching device is located in the service area of the first service or at the edge of the service area of the first service, the switching device further includes at least one of the following:
  • the switching device only has the function of initiating XN switching
  • the switching device only has the function of initiating N2 switching
  • the switching device has the function of initiating XN switching and/or N2 switching.
  • a switching device provided by the implementation of this application, by sending the first indication to the second network side device, refuses the switching when it is found that the target base station is outside the service area of the first service, thereby ensuring that the Local MBS service can only be used Provided in its business area, improving the resource utilization efficiency of the Local MBS service.
  • the switching device in this embodiment of the present application may be a device, a device having an operating system, or an electronic device, or may be a component, an integrated circuit, or a chip in a terminal.
  • the apparatus or electronic device may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.
  • the switching apparatus provided in the embodiment of the present application can implement each process implemented by the method embodiment in FIG. 2 and achieve the same technical effect, and to avoid repetition, details are not described here.
  • FIG. 4 shows another schematic flowchart of the handover method according to the embodiment of the present application.
  • the method is executed by the second network side device.
  • the method may be executed by software or hardware installed on the second network side device.
  • the method may include the following steps.
  • Step S401 receiving a first indication sent by a first network side device
  • the first indication includes at least one of the following:
  • the service group identifier to which the first service belongs
  • the step S401 can implement the same method embodiment as the step S201 in FIG. 2 , and obtain the same technical effect, and the repeated content will not be repeated here.
  • the method further includes:
  • the second network-side device sends a second indication to the first network-side device.
  • the first condition includes at least one of the following:
  • the service corresponding to the first indication includes the first service
  • the second network side device is outside the service area of the first service
  • the third network side device is outside the service area of the first service.
  • the second indication is used to indicate rejection of the handover of the first service.
  • the method further includes at least one of the following:
  • the second network side device sends a path switch request (PATHSWITCHREQUEST) message to the fourth network side device;
  • the third indication is sent by the fourth network side device when it determines that the second condition is satisfied; the third indication is used to indicate whether the first service is path switched The request was successful.
  • the third indication may specifically be a path switch request reply (PATH WITCH REQUEST ACKNOWLEDGE) message, or the third instruction may be a path switch request failure (PATH SWITCH REQUEST FAILURE) message.
  • the second condition includes at least one of the following:
  • the service corresponding to the PATHSWITCHREQUEST message includes the first service, for example, includes the Local MBS service or the MBS service;
  • the second network side device is outside the service area of the first service, for example, outside the service area of the Local MBS service.
  • the receiving the first indication sent by the first network side device further includes:
  • a fourth indication is received; wherein the fourth indication includes service area information.
  • the fourth indication includes at least one of the following:
  • the fourth indication sent by the core network function is the fourth indication sent by the core network function.
  • the receiving the fourth indication includes at least one of the following:
  • the fourth indication sent by the terminal received during the handover process performed by the terminal for example, the terminal sends the fourth indication together with a radio resource control reconfiguration complete (RRCReconfigurationComplete) message to the second network side;
  • RRCReconfigurationComplete radio resource control reconfiguration complete
  • the terminal After the terminal completes the handover, the terminal receives the fourth indication sent by the terminal, for example, the terminal sends the fourth indication to the second network side device after sending the RRCReconfigurationComplete message.
  • the method further includes:
  • the second network-side device executes the first behavior.
  • the fourth condition is that the second network-side device is not within the service area of the first service.
  • the performing the first behavior includes:
  • the fourth indication when the fourth indication is a fourth indication sent by the core network function, the fourth indication further includes at least one of the following:
  • the first network side device when the first network side device is located in the service area of the first service or at the edge of the service area of the first service, it further includes at least one of the following:
  • the first network side device only has the function of initiating XN handover
  • the first network side device only has the function of initiating N2 handover
  • the first network side device has the function of initiating XN handover and/or N2 handover.
  • the first network side device sends a first indication to the second network side device, and when it is found that the target base station is outside the service area of the first service, the handover is rejected, thereby ensuring that the The Local MBS service can only be provided in its business area, which improves the resource utilization efficiency of the Local MBS service.
  • the execution subject may be a switching device, or a control module in the switching device for executing the switching method.
  • the switching device provided by the embodiments of the present application is described by taking a method for performing a handover performed by a switching device as an example.
  • FIG. 5 shows another schematic structural diagram of a switching apparatus according to an embodiment of the present application.
  • the switching apparatus includes: a second execution module 501 and a second transceiver module 502 .
  • the second transceiver module 502 is configured to receive the first instruction sent by the first network side device; the second execution module 501 is configured to obtain the instruction content of the first instruction;
  • the first indication includes at least one of the following:
  • the service group identifier to which the first service belongs
  • the first condition includes at least one of the following:
  • the service corresponding to the first indication includes the first service
  • the switching device is outside the service area of the first service
  • the third network side device is outside the service area of the first service.
  • the second indication is used to indicate rejection of the handover of the first service.
  • Receive a third indication of the fourth network side device wherein, the third indication is sent by the fourth network side device when it determines that the second condition is satisfied; the third indication is used to indicate whether the first service is path switched The request was successful.
  • the second condition includes at least one of the following:
  • the service corresponding to the path switching request message includes the first service
  • the switching device is outside the service area of the first service.
  • the second transceiver module 502 is further configured to receive a fourth indication, wherein the fourth indication includes service area information.
  • the fourth indication includes at least one of the following:
  • the receiving the fourth indication includes at least one of the following:
  • the fourth indication sent by the terminal is received after the terminal completes the handover.
  • the second transceiver module 502 is further configured to:
  • the first behavior is executed.
  • the fourth condition is that the switching device is not in the service area of the first service.
  • the performing the first behavior includes:
  • the fourth indication when the fourth indication is a fourth indication sent by the core network function, the fourth indication further includes at least one of the following:
  • the first network side device when the first network side device is located in the service area of the first service or at the edge of the service area of the first service, it further includes at least one of the following:
  • the first network side device only has the function of initiating XN handover
  • the first network side device only has the function of initiating N2 handover
  • the first network side device has the function of initiating XN handover and/or N2 handover.
  • a switching device provided by the implementation of this application, by receiving the first indication sent by the first network side device, when it is found that the target base station is outside the service area of the first service, rejects the switching, thereby ensuring that the Local MBS service can only be used Provided in its business area, improving the resource utilization efficiency of the Local MBS service.
  • the switching device in this embodiment of the present application may be a device, a device having an operating system, or an electronic device, or may be a component, an integrated circuit, or a chip in a terminal.
  • the apparatus or electronic device may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.
  • the switching apparatus provided in the embodiment of the present application can implement each process implemented by the method embodiment in FIG. 4 , and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • FIG. 6 shows another schematic flowchart of the handover method according to the embodiment of the present application.
  • the method is executed by the terminal.
  • the method may be executed by software or hardware installed in the terminal.
  • the method may include at least one of the following steps.
  • Step S601 the terminal performs at least one of the following:
  • the fourth indication includes service area information.
  • the step S601 may implement the method embodiments of the step S201 in FIG. 2 and the step S401 in FIG. 4 , and obtain the same or similar technical effects, and the repeated content will not be repeated here.
  • the first network side device performs at least one of the following:
  • the first network side device removes the information of the first service in the first indication
  • the first network side device refuses to send the first indication to the second network side device.
  • the first indication includes at least one of the following:
  • the service group identifier to which the first service belongs
  • the third condition includes that the second network-side device is not within the service area of the first service.
  • the sending the fourth indication to the first network side device includes:
  • the second network-side device executes the first behavior when the fourth condition is satisfied.
  • the fourth condition is that the second network-side device is not in the service area of the first service.
  • the first behavior is that the second network side device releases resources corresponding to the first service.
  • the first network side device is a base station or a core network function.
  • the first network side device is a base station
  • the first network side device is a base station with a service type corresponding to the first service, or the first network side device does not have the first service type.
  • the second network side device is a base station or a core network function.
  • the second network side device is a base station
  • the second network side device is a base station with a service type corresponding to the first service, or the first network side device does not have the first service type.
  • the first network side device is located within the service area of the first service, or the first network side device is located outside the service area of the first service.
  • the second network side device is located within the service area of the first service, or the second network side device is located outside the service area of the first service.
  • the first network side device when the first network side device is located in the service area of the first service or at the edge of the service area of the first service, the first network side device further includes at least one of the following:
  • the first network side device only has the function of initiating XN handover
  • the first network side device only has the function of initiating N2 handover
  • the first network side device has the function of initiating XN handover and/or N2 handover.
  • the terminal sends the fourth indication to the first network side device, or sends the fourth indication to the two network side devices, and when it is found that the target base station is in the service of the first service When it is outside the area, the handover is refused, thus ensuring that the Local MBS service can only be provided within its service area, and improving the resource utilization efficiency of the Local MBS service.
  • the execution subject may be a switching device, or a control module in the switching device for executing the switching method.
  • the switching device provided by the embodiments of the present application is described by taking a method for performing a handover performed by a switching device as an example.
  • FIG. 7 shows another schematic structural diagram of a switching apparatus according to an embodiment of the present application.
  • the switching apparatus includes: a third execution module 701 and a third transceiver module 702 .
  • the third execution module 701 is configured to determine a fourth indication; the third transceiver module 702 is configured to execute at least one of the following:
  • the fourth indication includes service area information.
  • the first network side device performs at least one of the following:
  • the first network side device removes the information of the first service in the first indication
  • the first network side device refuses to send the first indication to the second network side device.
  • the first indication includes at least one of the following:
  • the identifier of the service group to which the first service belongs
  • the third condition includes that the second network-side device is not within the service area of the first service.
  • the third transceiver module 702 is configured to send a fourth indication to the first network side device after receiving the radio resource control reconfiguration message sent by the first network side device.
  • the second network-side device executes the first behavior under the condition that the fourth condition is satisfied.
  • the fourth condition is that the second network-side device is not in the service area of the first service.
  • the first behavior is that the second network side device releases resources corresponding to the first service.
  • the first network side device is a base station or a core network function.
  • the first network side device is a base station
  • the first network side device is a base station with a service type corresponding to the first service, or the first network side device does not have the first service type.
  • the second network side device is a base station or a core network function.
  • the second network side device is a base station
  • the second network side device is a base station with a service type corresponding to the first service, or the first network side device does not have the first service type.
  • the first network side device is located within the service area of the first service, or the first network side device is located outside the service area of the first service.
  • the first network side device when the first network side device is located in the service area of the first service or at the edge of the service area of the first service, the first network side device further includes at least one of the following:
  • the first network side device only has the function of initiating XN handover
  • the first network side device only has the function of initiating N2 handover
  • the first network side device has the function of initiating XN handover and/or N2 handover.
  • a switching apparatus provided by the implementation of the present application, by sending the fourth indication to the first network side device, or sending the fourth indication to the two network side devices, when it is found that the target base station is in the service area of the first service When it is outside, the handover is refused, thus ensuring that the Local MBS service can only be provided in its business area, and improving the resource utilization efficiency of the Local MBS service.
  • the switching device in this embodiment of the present application may be a device, a device or an electronic device with an operating system, or may be a component, an integrated circuit, or a chip in a terminal.
  • the apparatus or electronic device may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.
  • the switching apparatus provided in the embodiment of the present application can implement each process implemented by the method embodiment of FIG. 6 and achieve the same technical effect. To avoid repetition, details are not repeated here.
  • FIG. 8 shows another schematic flowchart of a handover method according to an embodiment of the present application, where the method is executed by a core network function. As shown in Figure 8, the method may include the following steps.
  • the step S801 can implement the method embodiments of the step S201 in FIG. 2 and the step S401 in FIG. 4 , and obtain the same or similar technical effects, and the repeated parts are not repeated here.
  • the fourth indication includes at least one of the following:
  • the first network side device when the first network side device is located in the service area of the first service or at the edge of the service area of the first service, the first network side device further includes at least one of the following:
  • the first network side device only has the function of initiating XN handover
  • the first network side device only has the function of initiating N2 handover
  • the first network side device has the function of initiating XN handover and/or N2 handover.
  • a fourth indication is sent to a first network side device through a core network function, or a fourth indication is sent to a second network side device, and when it is found that the target base station is in the first service When it is outside the service area, it refuses to switch, thus ensuring that the Local MBS service can only be provided within its service area, and improving the resource utilization efficiency of the Local MBS service.
  • the execution subject may be a switching device, or a control module in the switching device for executing the switching method.
  • the switching device provided by the embodiments of the present application is described by taking a method for performing a handover performed by a switching device as an example.
  • FIG. 9 shows a schematic structural diagram of a switching apparatus according to an embodiment of the present application.
  • the switching apparatus includes: a fourth execution module 901 and a fourth transceiver module 902 .
  • the fourth execution module 901 is configured to determine a fourth indication; the fourth transceiver module 902 is configured to execute at least one of the following:
  • the fourth indication includes service area information.
  • the fourth indication includes at least one of the following:
  • the first network side device when the first network side device is located in the service area of the first service or at the edge of the service area of the first service, the first network side device further includes at least one of the following:
  • the first network side device only has the function of initiating XN handover
  • the first network side device only has the function of initiating N2 handover
  • the first network side device has the function of initiating XN handover and/or N2 handover.
  • a switching apparatus provided by the implementation of the present application, by sending the fourth indication to the first network side device, or sending the fourth indication to the second network side device, when it is found that the target base station is outside the service area of the first service When , the handover is refused, thus ensuring that the Local MBS service can only be provided in its business area, and improving the resource utilization efficiency of the Local MBS service.
  • the switching device in this embodiment of the present application may be a device, a device having an operating system, or an electronic device, or may be a component, an integrated circuit, or a chip in a terminal.
  • the apparatus or electronic device may be a mobile terminal or a non-mobile terminal.
  • the mobile terminal may include, but is not limited to, the types of terminals 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (personal computer, PC), a television ( television, TV), teller machine, or self-service machine, etc., which are not specifically limited in the embodiments of the present application.
  • the switching apparatus provided in the embodiment of the present application can implement each process implemented by the method embodiment in FIG. 2 and achieve the same technical effect, and to avoid repetition, details are not described here.
  • an embodiment of the present application further provides a communication device 1000, including a processor 1001, a memory 1002, a program or instruction stored in the memory 1002 and executable on the processor 1001,
  • a communication device 1000 including a processor 1001, a memory 1002, a program or instruction stored in the memory 1002 and executable on the processor 1001
  • the communication device 1000 is a terminal
  • the program or instruction is executed by the processor 1001
  • each process of the foregoing switching method embodiments can be implemented, and the same technical effect can be achieved.
  • the communication device 1000 is a network side device
  • the program or instruction is executed by the processor 1001
  • each process of the above switching method embodiment can be achieved, and the same technical effect can be achieved. 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 processor is used to determine a first indication, and the communication interface is used to send the first indication to a second network-side device; or, the processor is used to obtain For the indication content of the first indication, the communication interface is used to receive the first indication sent by the first network side device; or, the processor is used to determine a fourth indication, and the communication interface is used to perform at least one of the following: The first network-side device sends a fourth indication; and the fourth network-side device sends the fourth indication.
  • 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 device 1100 includes: an antenna 111 , a radio frequency device 112 , and a baseband device 113 .
  • the antenna 111 is connected to the radio frequency device 112 .
  • the radio frequency device 112 receives information through the antenna 111, and sends the received information to the baseband device 113 for processing.
  • the baseband device 113 processes the information to be sent and sends it to the radio frequency device 112
  • the radio frequency device 112 processes the received information and sends it out through the antenna 111 .
  • the above-mentioned frequency band processing apparatus may be located in the baseband apparatus 113 , and the method performed by the network side device in the above embodiments may be implemented in the baseband apparatus 113 .
  • the baseband apparatus 113 includes a processor 114 and a memory 115 .
  • the baseband device 113 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 114 , which is connected to the memory 115 to call the program in the memory 115 to execute
  • the network devices shown in the above method embodiments operate.
  • the baseband device 113 may further include a network interface 116 for exchanging information with the radio frequency device 112, and the interface is, for example, a common public radio interface (CPRI for short).
  • CPRI common public radio interface
  • the network-side device in the embodiment of the present invention further includes: an instruction or program stored in the memory 115 and executable on the processor 114, and the processor 114 invokes the instruction or program in the memory 115 to execute FIG. 3, FIG. 5 and FIG.
  • the method performed by each module shown in FIG. 9 achieves the same technical effect, and is not repeated here in order to avoid repetition.
  • An embodiment of the present application further provides a terminal, including a processor and a communication interface, where the processor is configured to determine a fourth indication, and the communication interface is configured to perform at least one of the following: sending a fourth indication to a first network side device; sending a fourth indication to a second network side device; The side device sends a fourth indication.
  • 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. 12 is a schematic diagram of a hardware structure of a terminal implementing an embodiment of the present application.
  • the terminal 1200 includes but is not limited to: a radio frequency unit 1201, a network module 1202, an audio output unit 1203, an input unit 1204, a sensor 1205, a display unit 1206, a user input unit 1207, an interface unit 1208, a memory 1209, and a processor 1210, etc. at least part of the components.
  • the terminal 1200 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 1210 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. 12 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 1204 may include a graphics processor (Graphics Processing Unit, GPU) 12041 and a microphone 12042. Such as camera) to obtain still pictures or video image data for processing.
  • the display unit 1206 may include a display panel 12061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 1207 includes a touch panel 12071 and other input devices 12072 .
  • the touch panel 12071 is also called a touch screen.
  • the touch panel 12071 may include two parts, a touch detection device and a touch controller.
  • Other input devices 12072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which are not described herein again.
  • the radio frequency unit 1201 receives the downlink data from the network side device, and then processes it to the processor 1210; in addition, sends the uplink data to the network side device.
  • the radio frequency unit 1201 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 1209 may be used to store software programs or instructions as well as various data.
  • the memory 1209 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 1209 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 (ErasablePROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • ROM Read-Only Memory
  • PROM programmable read-only memory
  • ErasablePROM ErasablePROM
  • 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 1210 may include one or more processing units; optionally, the processor 1210 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 1210.
  • the radio frequency unit 1201 is configured to perform at least one of the following:
  • the fourth indication includes service area information.
  • the first network side device performs at least one of the following:
  • the first network side device removes the information of the first service in the first indication
  • the first network side device refuses to send the first indication to the second network side device.
  • the first indication includes at least one of the following:
  • the service group identifier to which the first service belongs
  • the third condition includes that the second network-side device is not within the service area of the first service.
  • the radio frequency unit 1201 is configured to send a fourth indication to the first network side device after receiving the radio resource control reconfiguration message sent by the first network side device.
  • the second network-side device executes the first behavior when the fourth condition is satisfied.
  • the fourth condition is that the second network-side device is not in the service area of the first service.
  • the first behavior is that the second network side device releases resources corresponding to the first service.
  • the first network side device is a base station or a core network function.
  • the first network side device is a base station
  • the first network side device is a base station with a service type corresponding to the first service, or the first network side device does not have the first service type.
  • the second network side device is a base station or a core network function.
  • the second network side device is a base station
  • the second network side device is a base station with a service type corresponding to the first service, or the first network side device does not have the first service type.
  • the first network side device is located within the service area of the first service, or the first network side device is located outside the service area of the first service.
  • the second network side device is located within the service area of the first service, or the second network side device is located outside the service area of the first service.
  • the first network side device when the first network side device is located in the service area of the first service or at the edge of the service area of the first service, the first network side device further includes at least one of the following:
  • the first network side device only has the function of initiating XN handover
  • the first network side device only has the function of initiating N2 handover
  • the first network side device has the function of initiating XN handover and/or N2 handover.
  • a terminal provided by the implementation of the present application ensures that the Local MBS service can only be provided in its service area, and improves the resource utilization efficiency of the Local MBS service.
  • 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 foregoing switching method embodiment can be implemented, and the same can be achieved.
  • the technical effect, in order to avoid repetition, will not be 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 configured to run a program or an instruction to implement each of the foregoing switching method embodiments process, and can achieve the same technical effect, in order to avoid repetition, it will not be repeated here.
  • 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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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention relève du domaine des communications mobiles. Sont divulgués un procédé et un appareil de transfert intercellulaire, un dispositif côté réseau et un terminal. Selon des modes de réalisation de la présente invention, au cours du procédé de transfert intercellulaire, un premier dispositif côté réseau envoie une première indication à un second dispositif côté réseau. La première indication contient au moins un des éléments suivants : un identifiant de service d'un premier service ; un identifiant d'un groupe de services dont fait partie le premier service ; un identifiant d'une session du premier service ; un identifiant d'un flux du premier service ; une description d'un flux du premier service ; un identifiant d'un service dédié au premier service ; un identifiant d'un groupe de services dédié au premier service ; un identifiant d'une session dédié au premier service ; un identifiant d'un flux dédié au premier service ; et une description d'un flux dédiée au premier service.
PCT/CN2022/082750 2021-03-29 2022-03-24 Procédé et appareil de transfert intercellulaire, dispositif côté réseau et terminal WO2022206552A1 (fr)

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