WO2021249438A1 - 模式切换方法、终端及网络侧设备 - Google Patents
模式切换方法、终端及网络侧设备 Download PDFInfo
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- WO2021249438A1 WO2021249438A1 PCT/CN2021/099195 CN2021099195W WO2021249438A1 WO 2021249438 A1 WO2021249438 A1 WO 2021249438A1 CN 2021099195 W CN2021099195 W CN 2021099195W WO 2021249438 A1 WO2021249438 A1 WO 2021249438A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0205—Traffic management, e.g. flow control or congestion control at the air interface
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0268—Traffic management, e.g. flow control or congestion control using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/26—Resource reservation
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/40—Connection management for selective distribution or broadcast
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
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- H04W—WIRELESS COMMUNICATION NETWORKS
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- H04W72/30—Resource management for broadcast services
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- H—ELECTRICITY
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- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/12—Setup of transport tunnels
Definitions
- This application belongs to the field of communication technology, and specifically relates to a mode switching method, a terminal, and a network side device.
- the terminal can establish a Protocol Data Unit (PDU) session through the User Plane Function (UPF) network element and the Data Network (DN) network element, and the PDU Session provides the terminal and the DN network element PDU connection service between.
- PDU Protocol Data Unit
- UPF User Plane Function
- DN Data Network
- the terminal When the terminal adopts the point-to-point PDU Session mode to receive the multicast service, if it switches to the target network side device that supports the point-to-multipoint multicast service, the terminal can only use the PDU Session switching process to first switch the PDU Session to the target network side. equipment. If the terminal desires to use a more efficient multicast service data transmission method, the terminal or the target network side device needs to initiate a mode switch to switch to the point-to-multipoint multicast service transmission mode.
- the terminal needs to first use the PDU Session switching process to switch the PDU Session to the target network side device, and then the terminal or the target network side device initiates the mode switch to switch to the point-to-multipoint multicast service transmission mode.
- the switching efficiency of this mode switching is relatively low.
- the purpose of the embodiments of the present application is to provide a mode switching method, terminal, and network side equipment, which can solve the problem of low switching efficiency of mode switching.
- a mode switching method which is applied to a target network side device, and the method includes: in the case of receiving multicast service quality QoS information from the multicast broadcast network function MB NF, reserving multicast Air interface resources, wherein the multicast air interface resources are used by the terminal to receive multicast service data through the switched target mode, and the multicast QoS information corresponds to the multicast service data; and to the source network side device or the MB The NF sends the multicast air interface resource.
- a mode switching method which is applied to MB NF, and the method includes: sending multicast QoS information to a target network-side device, and the multicast QoS information is used by the target network-side device to reserve more information.
- Broadcast air interface resources where the multicast air interface resources are used by the terminal to receive multicast service data through the switched target mode, and the multicast QoS information corresponds to the multicast service data.
- a mode switching method which is applied to a source network side device, and the method includes: receiving a multicast air interface resource, where the multicast air interface resource is the target network side device receiving a multicast from MB NF Reserved in the case of QoS information, wherein the multicast air interface resource is used for the terminal to receive multicast service data through the switched target mode, and the multicast QoS information corresponds to the multicast service data.
- a mode switching method is provided, which is applied to a terminal.
- the method includes: receiving a multicast air interface resource, where the multicast air interface resource is the target network side device receiving multicast QoS information from MB NF In the case of reservation, wherein the multicast air interface resource is used for the terminal to receive multicast service data through the switched target mode, and the multicast QoS information corresponds to the multicast service data.
- a device for mode switching includes: a resource reservation module, configured to reserve more information when receiving multicast service quality QoS information from the multicast broadcast network function MBNF.
- Broadcast air interface resources where the multicast air interface resources are used by the terminal to receive multicast service data through the switched target mode, and the multicast QoS information corresponds to the multicast service data; the sending module is used to send the source network to the source network.
- the side device or the MB NF sends the multicast air interface resource.
- a device for mode switching includes: a sending module, configured to send multicast QoS information to a target network-side device, where the multicast QoS information is used for reservation by the target network-side device Multicast air interface resources, where the multicast air interface resources are used by the terminal to receive multicast service data through the switched target mode, and the multicast QoS information corresponds to the multicast service data.
- a device for mode switching includes: a receiving module, configured to receive multicast air interface resources, where the multicast air interface resource is the target network side device receiving multicast QoS from MB NF
- the multicast air interface resource is used for the terminal to receive multicast service data through the switched target mode, and the multicast QoS information corresponds to the multicast service data.
- a device for mode switching includes: a receiving module, configured to receive multicast air interface resources, where the multicast air interface resource is the target network side device receiving multicast QoS from MB NF
- the multicast air interface resource is used for the device to receive multicast service data through the switched target mode, and the multicast QoS information corresponds to the multicast service data.
- a terminal in a ninth aspect, includes a processor, a memory, and a program or instruction that is stored on the memory and can run on the processor.
- the program or instruction When the program or instruction is executed by the processor, Implement the method as described in the fourth aspect.
- a network-side device in a tenth aspect, includes a processor, a memory, and a program or instruction that is stored on the memory and can run on the processor.
- the processor implements the method described in the first aspect, the second aspect, or the third aspect when executed.
- a readable storage medium is provided, and a program or instruction is stored on the readable storage medium.
- the program or instruction is executed by a processor, the first aspect, second aspect, third aspect, or The method described in the fourth aspect.
- a chip in a twelfth aspect, includes a processor and a communication interface.
- the communication interface is coupled to the processor.
- the target network side device when the target network side device receives the multicast QoS information from the MB NF, it reserves the multicast air interface resource, and sends the multicast air interface resource to the source network side device or the MB NF, so , The terminal can switch from the PDU session mode to the target mode, and receive the multicast service data through the multicast air interface resource, which improves the switching efficiency of the mode switching.
- Fig. 1 is a block diagram of a wireless communication system according to an embodiment of the present application.
- Fig. 2 is a schematic flowchart of a mode switching method according to an embodiment of the present application
- Fig. 3 is a schematic flowchart of a mode switching method according to an embodiment of the present application.
- Fig. 4 is a schematic flowchart of a mode switching method according to an embodiment of the present application.
- Fig. 5 is a schematic flowchart of a mode switching method according to an embodiment of the present application.
- Fig. 6 is a schematic flowchart of a mode switching method according to an embodiment of the present application.
- Fig. 7 is a schematic flowchart of a mode switching method according to an embodiment of the present application.
- Fig. 8 is a schematic structural diagram of a mode switching device according to an embodiment of the present application.
- Fig. 9 is a schematic structural diagram of a mode switching device according to an embodiment of the present application.
- Fig. 10 is a schematic structural diagram of a mode switching apparatus according to an embodiment of the present application.
- Fig. 11 is a schematic structural diagram of a mode switching apparatus according to an embodiment of the present application.
- Fig. 12 is a schematic structural diagram of a communication device according to an embodiment of the present application.
- FIG. 13 is a schematic structural diagram of a terminal according to an embodiment of the present application.
- Fig. 14 is a schematic structural diagram of a network side device according to an embodiment of the present application.
- first and second in the specification and claims of this application are used to distinguish similar objects, but not to describe a specific sequence or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first” and “second” It is usually one type, and the number of objects is not limited.
- the first object may be one or more.
- “and/or” in the description and claims means at least one of the connected objects, and the character “/” generally means that the associated objects before and after are in an "or” relationship.
- LTE Long Term Evolution
- 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 this application are often used interchangeably, and the described technology can be used for the above-mentioned systems and radio technologies as well as other systems and radio technologies.
- NR New Radio
- the following description describes the New Radio (NR) system for exemplary purposes, and uses NR terminology in most of the description below, although these technologies can also be applied to applications other than NR system applications, such as the 6th generation ( 6 th Generation, 6G) communication system.
- 6th generation 6 th Generation, 6G
- Fig. 1 shows a block 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 referred to as 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 or a personal digital device.
- UE User Equipment
- PDA Personal Digital Assistant
- handheld computer netbook, ultra-mobile personal computer (UMPC), mobile Internet device (Mobile Internet Device, MID), wearable device (Wearable Device) or in-vehicle device (VUE), pedestrian terminal (PUE) and other terminal side devices
- UMPC ultra-mobile personal computer
- MID mobile Internet device
- Wearable Device Wearable Device
- VUE in-vehicle device
- PUE pedestrian terminal
- other terminal side devices wearable devices include: bracelets, earphones, glasses, etc. It should be noted that the specific type of the terminal 11 is not limited in the embodiment of the present application.
- the network side device 12 may be a base station or a core network, where the base station may be called Node B, Evolved Node B, Access Point, Base Transceiver Station (BTS), radio base station, radio transceiver, basic service Set (Basic Service Set, BSS), Extended Service Set (Extended Service Set, ESS), Node B, Evolved Node B (eNB), Home Node B, Home Evolved Node B, WLAN Access Point, WiFi Node, Sending Transmitting Receiving Point (TRP) or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to a specific technical vocabulary. It should be noted that in the embodiments of this application, only The base station in the NR system is taken as an example, but the specific type of the base station is not limited.
- an embodiment of the present application provides a mode switching method 200, which can be executed by a target network-side device.
- the method can be executed by software or hardware installed on the target network-side device.
- the method 200 includes the following steps.
- S202 When receiving multicast service quality (Quality of Service, QoS) information from a multicast broadcast network function (Multicast Broadcast Network Function, MB NF), reserve multicast air interface resources.
- QoS Quality of Service
- MB NF Multicast Broadcast Network Function
- the foregoing multicast air interface resource is used for the terminal to receive multicast service data through the switched target mode.
- the foregoing multicast QoS information corresponds to multicast service data, or in other words, the foregoing multicast QoS information is QoS information of the multicast service data.
- MB NF Before S202, MB NF can send multicast QoS information to the target network side device.
- the multicast QoS information is usually different from "PDU session QoS information".
- the multicast QoS information sent by MB NF to the target network side device may also carry indication information, which is used to indicate multicast QoS information is used for multicast services.
- MB NF mentioned in the various embodiments of this specification generally refers to the core network function that can provide multicast service data. Therefore, MB NF can be replaced by other technical terms, such as core network equipment, Multicast broadcast server and so on.
- the terminal can use the point-to-point PDU Session mode to receive multicast services in the cell provided by the source network side device. Since the PDU Session mode is single-channel, usually each terminal corresponds to one channel, so The transmission efficiency of multicast service data is low.
- the target mode can be a point-to-multipoint multicast service transmission mode. For example, the target network-side device sends a copy of multicast service data. Multiple terminals can receive the multicast service data. Compared with the PDU Session mode, the transmission efficiency of the multicast service data can be improved.
- the mode switching mentioned in the various embodiments of this application may refer to the terminal switching from the PDU Session mode of the source network side device to the target mode of the target network side device.
- the target mode is a point-to-multipoint multipoint mode. Broadcast business transmission mode.
- the source network side device of the terminal may send a handover request message to the target network side device, and the handover request message may carry the identifier of the Protocol Data Unit (PDU) session Information, such as PDU session (Session) ID.
- PDU Protocol Data Unit
- Session PDU session
- the target network side device after the target network side device receives the handover request message, it can also send a session update message to the MB NF.
- the session update message carries the identification information of the PDU session, such as the above PDU Session ID.
- the MB NF can send the message to the target network
- the side device sends the foregoing multicast QoS information.
- the source network side device of the terminal may send a handover notification message to the MBNF, and the handover notification message may carry identification information of the PDU session, such as PDU Session ID.
- the MB NF receives the handover notification message, it can send the foregoing multicast QoS information to the target network side device.
- S204 Send the multicast air interface resource to the source network side device or MBNF.
- the source network-side device when the target network-side device sends multicast air interface resources to the source network-side device, the source network-side device can also forward the multicast air interface resources to the terminal; the target network-side device sends the multicast air interface resource to the MBNF.
- the MB NF can also forward the multicast air interface resources to the terminal through the source network side device. In this way, the terminal can switch to the target network side device through the multicast air interface resource, and receive the multicast service data through the switched target mode.
- the target network-side device may send a switching command to the source network-side device, where the switching command carries a multicast air interface resource; the source network-side device may also send a switching command that carries the foregoing multicast air interface resource to the terminal.
- the terminal can also access the target network-side device based on the above-mentioned multicast air interface resources, and send a handover complete message to the target network-side device, such as
- the target network side device may send the multicast air interface resource to the MB NF; the MB NF sends a handover command (such as a Handover Command message) to the source network side device, and the handover command carries the foregoing multicast air interface resource.
- the source network side device may also send a handover command carrying the foregoing multicast air interface resource to the terminal.
- the terminal can also access the target network side device based on the foregoing multicast air interface resources, and send a handover completion message, such as a Handover Confirm message, to the target network side device.
- the target network side device when the target network side device receives the multicast QoS information from MB NF, it reserves multicast air interface resources, and sends the multicast air interface to the source network side device or MB NF In this way, the terminal can switch from the PDU session mode to the target mode, and receive multicast service data through the multicast air interface resource, which improves the switching efficiency of mode switching.
- the terminal needs to perform PDU session switching first, and then switch PDU session to target mode, the air interface resources required for PDU session switching and the air interface required for target mode The resources are different.
- the target network side device not only needs to reserve the air interface resources required for PDU session switching, but also needs to reserve the air interface resources required by the target mode, and it needs to communicate with the source network side equipment, terminals, etc. To notify these air interface resources, resulting in low handover efficiency.
- the method further includes: receiving identification information of the PDU session from the source network side device; and sending the identification information of the PDU session to the MBNF.
- the PDU session mentioned in this example can also be referred to as the PDU session to be switched, because the terminal is about to switch from the PDU session mode to the target mode.
- the MB NF After the MB NF receives the identification information of the PDU session, it can determine that the terminal needs to perform mode switching, and then send multicast QoS information to the target network side device.
- the target network side device may also receive at least one of the following from the MB NF: QoS parameters corresponding to the PDU session; multicast information.
- the multicast information includes, for example, at least one of a temporary mobile group identity (Temporary Mobile Group Identity, TMGI) and an MB NF identity.
- TMGI Temporal Mobile Group Identity
- the method further includes: receiving at least one of the following from the source network side device: a mode switching instruction; the target mode.
- the mode switching instruction includes a specific QoS flow identifier.
- the source network-side device may send at least one of a mode switching instruction and a target mode to the target network-side device to indicate that the terminal needs to perform mode switching.
- the target network-side device may send a session update message to the MBNF. After the MB NF receives the session update message, it can determine that the terminal needs to perform mode switching, and can send multicast QoS information to the target network-side device.
- the method further includes: receiving at least one of the following from the MB NF: a mode switching instruction; the target mode; QoS parameters corresponding to the PDU session; and multicast information.
- the target network-side device when the target network-side device receives the QoS parameters corresponding to the PDU session, the target network-side device may also reserve air interface resources of the PDU session. In this way, the terminal can not only use the target mode to receive the multicast service data, but also use the PDU session mode to receive the multicast service data.
- This embodiment is suitable for scenarios where the terminal needs to receive multiple different types of multicast service data, which is convenient to meet the transmission requirements of multiple different multicast service data, and at the same time facilitates the improvement of transmission efficiency.
- the embodiment 200 further includes the following steps: sending to the MB NF at least one of the following: air interface resources of the PDU session; and multicast downlink tunnel resources for receiving the multicast service data.
- the MB NF may also send the air interface resources of the PDU session to the terminal through the source network side device, so that the terminal can subsequently pass the PDU on the target network side device.
- Receiving multicast service data in a session mode in the case of sending the air interface resources of the PDU session to the MB NF, the MB NF may also send the air interface resources of the PDU session to the terminal through the source network side device, so that the terminal can subsequently pass the PDU on the target network side device.
- the target network side device may also receive the multicast service data through the multicast downlink tunnel resource; and through the multicast air interface resource Send the multicast service data to the terminal, so that the terminal can use the target mode to receive the multicast service data through the multicast air interface resource.
- FIG. 3 and FIG. 4 are described with an example in which the source network-side device is the source gNB and the target network-side device is the target gNB.
- the first embodiment includes the following steps.
- the source gNB sends a handover request message to the target gNB, such as a Handover Request message, which carries identification information of the PDU session to be switched, such as PDU Session ID.
- the switching request message may also carry a mode switching indication, which may be used to indicate that the terminal needs to perform mode switching; the switching request message may also indicate the target mode.
- the source gNB may use a specific QoS flow identifier to identify that the terminal needs to perform mode switching.
- S304 The target gNB sends a session update message to the MBNF based on the mode switching instruction.
- the target gNB when MBNF is the Session Management Function (SMF), the target gNB sends the session update message to the SMF through the Access and Mobility Management Function (AMF), and when the MBNF is AMF, The target gNB directly sends the session update message to the AMF.
- the session update message may carry identification information of the PDU session to be switched, such as PDU Session ID.
- S306 The MB NF sends a session update response message to the target gNB.
- the MB NF matches the PDU Session ID to the information of the multicast service that the user is receiving through the PDU Session, such as TMGI, corresponding QoS parameters, packet filtering rules, etc., and is based on the QoS information corresponding to the PDU Session and The packet filtering rules adjust the QoS information of the PDU session based on this information, such as deleting a certain flow.
- the session update response message carries the adjusted multicast QoS information, such as the QoS parameters corresponding to the multicast service; it can also carry the QoS parameters corresponding to the PDU Session (may have been adjusted); the session update response message can also carry the multicast information , Such as TMGI and/or MB NF logo.
- the target gNB reserves multicast air interface resources based on the multicast QoS information.
- the target gNB may also reserve air interface resources of the PDU session based on the QoS parameters of the PDU session.
- the target gNB returns a handover command to the source gNB, such as a Handover Response message, which carries air interface resources.
- the air interface resources include multicast air interface resources, and may also include air interface resources of a PDU session.
- S312 The source gNB forwards the air interface resource to the terminal UE through the handover command.
- S314 The UE accesses the target gNB based on the multicast air interface resource, and sends a handover completion message, such as a Handover Confirm message, to the target gNB.
- a handover completion message such as a Handover Confirm message
- the target gNB sends a session update message to the MB NF, which may carry the received multicast information, and may also carry the multicast downlink tunnel resource information.
- S318 The MB NF returns a session update response message to the target gNB.
- the MB NF (such as UPF) can send multicast service data to the target gNB through multicast downlink tunnel resources, and the target gNB can send multicast service data to the UE through multicast air interface resources.
- this embodiment includes the following steps.
- the source gNB sends a handover notification message to the MB NF.
- the source gNB sends the handover notification message to the SMF through AMF.
- the source gNB directly sends the handover notification message to the AMF to notify the handover
- the message (such as the Handover Required message) may carry the identification information of the PDU session to be switched, such as the PDU Session ID.
- the MB NF sends a handover request message, such as a Handover Request message, to the target gNB.
- MB NF matches the multicast service information that the user is receiving through the PDU Session through the PDU Session ID, such as TMGI, corresponding QoS parameters, packet filtering rules, etc., and based on the QoS information and packet filtering rules corresponding to the PDU Session, Adjust the QoS information of the PDU session based on this information, such as deleting a certain flow.
- PDU Session ID such as TMGI, corresponding QoS parameters, packet filtering rules, etc.
- the switching request message may carry a mode switching indication, which may indicate a mode switching or a target mode. Specifically, the mode switching indication may also be indicated by a multicast QoS parameter.
- the handover request message also carries the adjusted QoS information, such as the multicast QoS information corresponding to the multicast service, and the QoS parameters corresponding to the PDU Session (which may have been adjusted).
- the handover request message may also carry multicast information, such as TMGI and/or MBNF identifiers.
- the target gNB reserves multicast air interface resources, and may also reserve air interface resources for the PDU session based on the QoS parameters of the PDU session.
- the target gNB may reserve the multicast air interface resources based on the mode switching indication and the multicast QoS information, or may reserve the multicast air interface resources based only on the multicast QoS information.
- the target gNB returns a handover response message to the MB NF, such as a Handover Response message, which carries air interface resources (including multicast air interface resources, and possibly PDU session air interface resources if there is still a flow in the PDU session) that needs to be sent to the source gNB.
- the gNB can also reserve multicast downlink tunnel resources for multicast service data, which are used by the MB NF to send multicast service data to the target gNB.
- the MB NF sends a handover command, such as a Handover Command message, to the source gNB, which carries air interface resources.
- the air interface resources include multicast air interface resources, and may also include air interface resources of a PDU session.
- S412 The source gNB forwards the air interface resources to the terminal UE.
- S414 The UE accesses the target gNB based on the multicast air interface resource, and sends a handover complete message, such as a Handover Confirm message, to the target gNB.
- a handover complete message such as a Handover Confirm message
- the target gNB sends a session update message to the MB NF, which may carry the received multicast information. If the multicast downlink tunnel resource information is not sent in step 408, it is sent in this step S416.
- S418 The MB NF returns a session update response message to the target gNB.
- the MB NF (such as UPF) can send multicast service data to the target gNB through multicast downlink tunnel resources, and the target gNB can send multicast service data to the UE through multicast air interface resources.
- the mode switching method according to the embodiment of the present application is described in detail above with reference to FIGS. 2 to 4.
- the mode switching method according to several other embodiments of the present application will be described in detail with reference to FIG. 5 to FIG. 7. It is understandable that the descriptions from the MB NF side, the source network side device side, and the terminal side are the same as the descriptions on the target network side device side in the methods shown in Figures 2 to 4. To avoid repetition, relevant descriptions are appropriately omitted. .
- FIG. 5 is a schematic diagram of the implementation process of the mode switching method according to an embodiment of the present application, which can be applied to the MB NF side. As shown in FIG. 5, the method 500 includes the following steps.
- S502 Send multicast QoS information to the target network side device, where the multicast QoS information is used for the target network side device to reserve multicast air interface resources.
- the multicast air interface resource is used by the terminal to receive multicast service data through the switched target mode, and the multicast QoS information corresponds to the multicast service data.
- the target network side device when the target network side device receives the multicast QoS information from the MB NF, it reserves the multicast air interface resource, and sends the multicast air interface resource to the source network side device or the MB NF, so , The terminal can switch from the PDU session mode to the target mode, and receive the multicast service data through the multicast air interface resource, which improves the switching efficiency of the mode switching.
- the method further includes: receiving the multicast air interface resource.
- the method further includes: receiving identification information of a PDU session from the target network-side device, wherein the identification information of the PDU session is sent by the source network-side device to The target network side device.
- the method further includes: sending to the target network side device at least one of the following: QoS parameters corresponding to the PDU session; and multicast information.
- the method further includes: sending at least one of the following to the target network side device:
- the method further includes: receiving at least one of the following from the target network side device: air interface resources of a PDU session; and multicast downlink tunnel resources used to send the multicast service data.
- the method further includes: sending the multicast service data through the multicast downlink tunnel resource.
- FIG. 6 is a schematic diagram of the implementation process of the mode switching method according to an embodiment of the present application, which can be applied to the source network side device side. As shown in FIG. 6, the method 600 includes the following steps.
- S602 Receive a multicast air interface resource, where the multicast air interface resource is reserved by the target network side device after receiving the multicast QoS information from the MB NF.
- the multicast air interface resource is used for the terminal to receive multicast service data through the switched target mode, and the multicast QoS information corresponds to the multicast service data.
- the source network side device receives multicast air interface resources, which are reserved by the target network side device after receiving multicast QoS information from MB NF, and the source network side device also
- the multicast air interface resource can be sent to the terminal, so that the terminal can switch from the PDU session mode to the target mode, and receive multicast service data through the multicast air interface resource, which improves the switching efficiency of mode switching.
- the method further includes: sending identification information of the PDU session to the target network side device.
- FIG. 7 is a schematic diagram of the implementation process of the mode switching method according to the embodiment of the present application, which can be applied to the terminal side. As shown in FIG. 7, the method 700 includes the following steps.
- S702 Receive a multicast air interface resource, where the multicast air interface resource is reserved by the target network side device after receiving the multicast QoS information from the MB NF.
- the multicast air interface resource is used by the terminal to receive multicast service data through the switched target mode, and the multicast QoS information corresponds to the multicast service data.
- the terminal receives the multicast air interface resource, which is reserved by the target network side device after receiving the multicast QoS information from MB NF. In this way, the terminal can start from the PDU session mode. Switch to the target mode and receive multicast service data through the multicast air interface resource, which improves the switching efficiency of mode switching.
- the execution subject of the mode switching method provided in the embodiment of the present application may be a mode switching device, or a control module in the mode switching device for executing the mode switching method.
- the method for performing mode switching by the mode switching apparatus is taken as an example to describe the mode switching apparatus provided in the embodiment of the present application.
- Fig. 8 is a schematic structural diagram of an apparatus for mode switching according to an embodiment of the present application, and the apparatus corresponds to the target network side device introduced in the foregoing embodiment.
- the device 800 includes:
- the resource reservation module 802 may be used to reserve multicast air interface resources when the multicast QoS information from MB NF is received, where the multicast air interface resources are used by the terminal to receive multicast data in the target mode after the handover. Broadcast service data, where the multicast QoS information corresponds to the multicast service data;
- the sending module 804 may be used to send the multicast air interface resource to the source network side device or the MB NF.
- the target network side device when the target network side device receives the multicast QoS information from the MB NF, it reserves the multicast air interface resource, and sends the multicast air interface resource to the source network side device or the MB NF, so , The terminal can switch from the PDU session mode to the target mode, and receive the multicast service data through the multicast air interface resource, which improves the switching efficiency of the mode switching.
- the apparatus 800 further includes a receiving module, which can be used to receive the identification information of the protocol data unit PDU session from the source network side device; the sending module 804 can be used to send a message to the MB The NF sends the identification information of the PDU session.
- a receiving module which can be used to receive the identification information of the protocol data unit PDU session from the source network side device; the sending module 804 can be used to send a message to the MB The NF sends the identification information of the PDU session.
- the apparatus 800 further includes a receiving module, which may be used to receive at least one of the following from the source network side device:
- the target mode is the target mode.
- the mode switching instruction includes a specific QoS flow identifier.
- the device 800 further includes a receiving module, which may be used to receive at least one of the following from the MB NF:
- the device 800 further includes a receiving module, which may be used to receive at least one of the following from the MB NF:
- the resource reservation module 802 may be used to reserve air interface resources of the PDU session.
- the sending module 804 may be used to send at least one of the following to the MBNF:
- the multicast downlink tunnel resource used to receive the multicast service data.
- the device 800 further includes a receiving module, which can be used to receive the multicast service data through the multicast downlink tunnel resource; the sending module 804, which can be used to communicate through the multicast air interface The resource sends the multicast service data to the terminal.
- a receiving module which can be used to receive the multicast service data through the multicast downlink tunnel resource
- the sending module 804 which can be used to communicate through the multicast air interface
- the resource sends the multicast service data to the terminal.
- Fig. 9 is a schematic structural diagram of a mode switching device according to an embodiment of the present application, and the device corresponds to the MB NF introduced in the previous embodiment. As shown in FIG. 9, the device 900 includes:
- the sending module 902 may be used to send multicast QoS information to the target network side device, where the multicast QoS information is used for the target network side device to reserve multicast air interface resources, where the multicast air interface resources are used for the terminal
- the multicast service data is received through the switched target mode, and the multicast QoS information corresponds to the multicast service data.
- the target network side device when the target network side device receives the multicast QoS information from the MB NF, it reserves the multicast air interface resource, and sends the multicast air interface resource to the source network side device or the MB NF, so , The terminal can switch from the PDU session mode to the target mode, and receive the multicast service data through the multicast air interface resource, which improves the switching efficiency of the mode switching.
- the apparatus 900 further includes a receiving module, which may be used to receive the multicast air interface resource.
- the apparatus 900 further includes a receiving module, which may be used to receive the identification information of the PDU session from the target network side device, wherein the identification information of the PDU session is determined by the The source network side device sends to the target network side device.
- a receiving module which may be used to receive the identification information of the PDU session from the target network side device, wherein the identification information of the PDU session is determined by the The source network side device sends to the target network side device.
- the sending module 902 may be configured to send at least one of the following to the target network side device: QoS parameters corresponding to the PDU session; multicast information.
- the sending module 902 may be used to send at least one of the following to the target network side device:
- the apparatus 900 further includes a receiving module, which may be used to receive at least one of the following from the target network side device: air interface resources of the PDU session; Multicast downlink tunnel resources.
- the sending module 902 may be configured to send the multicast service data through the multicast downlink tunnel resource.
- Fig. 10 is a schematic structural diagram of an apparatus for mode switching according to an embodiment of the present application, and the apparatus corresponds to the source network side device introduced in the foregoing embodiment.
- the device 1000 includes:
- the receiving module 1002 may be used to receive multicast air interface resources, where the multicast air interface resources are reserved by the target network side device after receiving multicast QoS information from MB NF, where the multicast air interface resources It is used for the terminal to receive the multicast service data through the switched target mode, and the multicast QoS information corresponds to the multicast service data.
- the device for mode switching receives multicast air interface resources, which are reserved by the target network side device after receiving multicast QoS information from MB NF, and the device for mode switching also
- the multicast air interface resource can be sent to the terminal, so that the terminal can switch from the PDU session mode to the target mode, and receive multicast service data through the multicast air interface resource, which improves the switching efficiency of mode switching.
- the apparatus 1000 includes a sending module, which may be used to send identification information of the PDU session to the target network side device.
- FIG. 11 is a schematic structural diagram of a mode switching device according to an embodiment of the present application, and the device corresponds to the terminal introduced in the previous embodiment. As shown in FIG. 11, the device 1100 includes:
- the receiving module 1102 is configured to receive multicast air interface resources, where the multicast air interface resources are reserved by the target network side device after receiving multicast QoS information from MB NF, where the multicast air interface resources are used
- the device receives the multicast service data through the switched target mode, and the multicast QoS information corresponds to the multicast service data.
- the device for mode switching receives multicast air interface resources.
- the multicast air interface resources are reserved by the target network side device after receiving the multicast QoS information from MB NF.
- the mode switching A device such as a terminal, can switch from the PDU session mode to the target mode, and receive multicast service data through the multicast air interface resource, which improves the switching efficiency of mode switching.
- the mode switching device in the embodiment of the present application may be a device, or a component, integrated circuit, or chip in a terminal.
- the device can be a mobile terminal or a non-mobile terminal.
- the mobile terminal may include but is not limited to the types of the terminal 11 listed above, and the non-mobile terminal may be a server, a network attached storage (NAS), a personal computer (PC), a television ( Television, TV), teller machines, self-service machines, etc., are not specifically limited in the embodiments of the present application.
- the device for mode switching in the embodiment of the present application may be a device with an operating system.
- the operating system may be an Android operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiment of the present application.
- the mode switching device provided in the embodiment of the present application can implement the various processes implemented by the method embodiments in FIG. 2 to FIG. 7 and achieve the same technical effect. To avoid repetition, details are not described herein again.
- an embodiment of the present application further provides a communication device 1200, including a processor 1201, a memory 1202, and programs or instructions that are stored on the memory 1202 and run on the processor 1201,
- a communication device 1200 including a processor 1201, a memory 1202, and programs or instructions that are stored on the memory 1202 and run on the processor 1201,
- the communication device 1200 is a terminal
- the program or instruction is executed by the processor 1201
- each process of the foregoing mode switching method embodiment is realized, and the same technical effect can be achieved.
- the communication device 1200 is a network-side device
- the program or instruction is executed by the processor 1201
- each process of the above-mentioned mode switching method embodiment can be realized, and the same technical effect can be achieved. To avoid repetition, details are not described herein again.
- FIG. 13 is a schematic diagram of the hardware structure of a terminal implementing an embodiment of the present application.
- the terminal 1300 includes but is not limited to: a radio frequency unit 1301, a network module 1302, an audio output unit 1303, an input unit 1304, a sensor 1305, a display unit 1306, a user input unit 1307, an interface unit 1308, a memory 1309, a processor 1310 and other components .
- the terminal 1300 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 1310 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. 13 does not constitute a limitation on the terminal.
- the terminal may include more or fewer components than shown in the figure, or combine some components, or arrange different components, which will not be repeated here.
- the input unit 1304 may include a graphics processing unit (GPU) 13041 and a microphone 13042.
- the graphics processor 13041 is used by the image capture device ( For example, the image data of the still picture or video obtained by the camera) is processed.
- the display unit 1306 may include a display panel 13061, and the display panel 13061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
- the user input unit 1307 includes a touch panel 13071 and other input devices 13072.
- the touch panel 13071 is also called a touch screen.
- the touch panel 13071 may include two parts, a touch detection device and a touch controller.
- Other input devices 13072 may include, but are not limited to, a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackball, mouse, and joystick, which will not be repeated here.
- the radio frequency unit 1301 receives the downlink data from the network-side device and sends it to the processor 1310 for processing; in addition, it sends the uplink data to the network-side device.
- the radio frequency unit 1301 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.
- the memory 1309 can be used to store software programs or instructions and various data.
- the memory 1309 may mainly include a storage program or instruction area and a data storage area, where the storage program or instruction area may store an operating system, an application program or instructions required by at least one function (such as a sound playback function, an image playback function, etc.).
- the memory 1309 may include a high-speed random access memory, and may also include a non-volatile memory, where the non-volatile memory may be a read-only memory (Read-Only Memory, ROM) or 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
- flash memory For example, at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
- the processor 1310 may include one or more processing units; optionally, the processor 1310 may integrate an application processor and a modem processor, where the application processor mainly processes an operating system, a user interface, and application programs or instructions, etc.
- the modem processor mainly deals with wireless communication, such as a baseband processor. It can be understood that the foregoing modem processor may not be integrated into the processor 1310.
- the radio frequency unit 1301 is used to receive multicast air interface resources, which are reserved by the target network side device when the target network side device receives the multicast QoS information from the MB NF.
- the multicast air interface resource is used by the terminal to receive multicast service data through the switched target mode, and the multicast QoS information corresponds to the multicast service data.
- the terminal receives the multicast air interface resource, which is reserved by the target network side device after receiving the multicast QoS information from MB NF. In this way, the terminal can start from the PDU session mode. Switch to the target mode and receive multicast service data through the multicast air interface resource, which improves the switching efficiency of mode switching.
- the embodiment of the present application also provides a network side device.
- the network side equipment 1400 includes: an antenna 141, a radio frequency device 142, and a baseband device 143.
- the antenna 141 is connected to the radio frequency device 142.
- the radio frequency device 142 receives information through the antenna 141, and sends the received information to the baseband device 143 for processing.
- the baseband device 143 processes the information to be sent and sends it to the radio frequency device 142, and the radio frequency device 142 processes the received information and sends it out via the antenna 141.
- the foregoing frequency band processing device may be located in the baseband device 143, and the method executed by the network-side device in the foregoing embodiment may be implemented in the baseband device 143.
- the baseband device 143 includes a processor 144 and a memory 145.
- the baseband device 143 may include, for example, at least one baseband board, and multiple chips are arranged on the baseband board, as shown in FIG.
- the network side device shown in the above method embodiment operates.
- the baseband device 143 may also include a network interface 146 for exchanging information with the radio frequency device 142.
- the interface is, for example, a common public radio interface (CPRI).
- CPRI common public radio interface
- the network side device of the embodiment of the present invention further includes: instructions or programs stored on the memory 145 and running on the processor 144, and the processor 144 calls the instructions or programs in the memory 145 to execute the instructions or programs shown in FIGS. 2 to 6 Shows the method of execution of each module, and achieves the same technical effect, in order to avoid repetition, so I will not repeat it here.
- the embodiments of the present application also provide a readable storage medium having a program or instruction stored on the readable storage medium.
- the program or instruction is executed by a processor, each process of the above-mentioned mode switching method embodiment is realized, and the same can be achieved. In order to avoid repetition, I won’t repeat them here.
- the processor may be 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), random access memory (Random Access Memory, RAM), magnetic disks, or optical disks.
- An embodiment of the present application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled with the processor, and the processor is used to run a program or an instruction to implement the above-mentioned mode switching method embodiment
- the chip includes a processor and a communication interface
- the communication interface is coupled with the processor
- the processor is used to run a program or an instruction to implement the above-mentioned mode switching method embodiment
- the chip mentioned in the embodiment of the present application may also be called a system-level chip, a system-on-chip, a system-on-chip, or a system-on-chip, etc.
- the technical solution of this application essentially or the part that contributes to the existing technology can be embodied in the form of a software product, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, The optical disc) includes several instructions to make a terminal (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in the various embodiments of the present application.
- a terminal which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.
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Abstract
Description
Claims (29)
- 一种模式切换方法,应用于目标网络侧设备,所述方法包括:在接收到来自多播广播网络功能MB NF的多播服务质量QoS信息的情况下,预留多播空口资源,其中,所述多播空口资源用于终端通过切换后的目标模式接收多播业务数据,所述多播QoS信息对应于所述多播业务数据;向源网络侧设备或所述MB NF发送所述多播空口资源。
- 根据权利要求1所述的方法,其中,所述预留多播空口资源之前,所述方法还包括:接收来自所述源网络侧设备的协议数据单元PDU会话的标识信息;向所述MB NF发送所述PDU会话的所述标识信息。
- 根据权利要求1所述的方法,其中,所述预留多播空口资源之前,所述方法还包括:接收来自所述源网络侧设备的如下至少之一:模式切换指示;所述目标模式。
- 根据权利要求3所述的方法,其中,所述模式切换指示包括特定的QoS流标识。
- 根据权利要求2所述的方法,其中,所述方法还包括:接收来自所述MB NF的如下至少之一:所述PDU会话对应的QoS参数;多播信息。
- 根据权利要求1所述的方法,其中,所述预留多播空口资源之前,所述方法还包括:接收来自所述MB NF的如下至少之一:模式切换指示;所述目标模式;PDU会话对应的QoS参数;多播信息。
- 根据权利要求5或6所述的方法,其中,在接收到所述PDU会话对应的所述QoS参数的情况下,所述方法还包括:预留所述PDU会话的空口资源。
- 根据权利要求1所述的方法,其中,所述方法还包括:向所述MBNF发送如下至少之一:PDU会话的空口资源;用于接收所述多播业务数据的多播下行隧道资源。
- 根据权利要求8所述的方法,其中,所述方法还包括:通过所述多播下行隧道资源接收所述多播业务数据;通过所述多播空口资源向所述终端发送所述多播业务数据。
- 一种模式切换方法,应用于MB NF,所述方法包括:向目标网络侧设备发送多播QoS信息,所述多播QoS信息用于所述目标网络侧设备预留多播空口资源,其中,所述多播空口资源用于终端通过切换后的目标模式接收多播业务数据,所述多播QoS信息对应于所述多播业务数据。
- 根据权利要求10所述的方法,其中,所述方法还包括:接收所述多播空口资源。
- 根据权利要求10所述的方法,其中,所述方法还包括:接收来自所述目标网络侧设备的PDU会话的标识信息,其中,所述PDU会话的所述标识信息由所述源网络侧设备发送给所述目标网络侧设备。
- 根据权利要求12所述的方法,其中,所述方法还包括:向所述目标网络侧设备发送如下至少之一:所述PDU会话对应的QoS参数;多播信息。
- 根据权利要求10所述的方法,其中,所述方法还包括:向所述目标网络侧设备发送如下至少之一:模式切换指示;所述目标模式;PDU会话对应的QoS参数;多播信息。
- 根据权利要求10所述的方法,其中,所述方法还包括:接收来自所述目标网络侧设备如下至少之一:PDU会话的空口资源;用于发送所述多播业务数据的多播下行隧道资源。
- 根据权利要求15所述的方法,其中,所述方法还包括:通过所述多播下行隧道资源发送所述多播业务数据。
- 一种模式切换方法,应用于源网络侧设备,所述方法包括:接收多播空口资源,所述多播空口资源是目标网络侧设备在接收到来自MB NF的多播QoS信息的情况下预留的,其中,所述多播空口资源用于终端通过切换后的目标模式接收多播业务数据,所述多播QoS信息对应于所述多播业务数据。
- 根据权利要求17所述的方法,其中,所述方法还包括:向所述目标网络侧设备发送PDU会话的标识信息。
- 一种模式切换方法,应用于终端,其特征在于,所述方法包括:接收多播空口资源,所述多播空口资源是目标网络侧设备在接收到来自MB NF的多播QoS信息的情况下预留的,其中,所述多播空口资源用于所述终端通过切换后的目标模式接收多播业务数据,所述多播QoS信息对应于所述多播业务数据。
- 一种模式切换的装置,所述装置包括:资源预留模块,用于在接收到来自MB NF的多播QoS信息的情况下,预留多播空口资源,其中,所述多播空口资源用于终端通过切换后的目标模式接收多播业务数据,所述多播QoS信息对应于所述多播业务数据;发送模块,用于向源网络侧设备或所述MB NF发送所述多播空口资源。
- 一种模式切换的装置,所述装置包括:发送模块,用于向目标网络侧设备发送多播QoS信息,所述多播QoS信息用于所述目标网络侧设备预留多播空口资源,其中,所述多播空口资源用于终端通过切换后的目标模式接收多播业务数据,所述多播QoS信息对应于所述多播业务数据。
- 一种模式切换的装置,所述装置包括:接收模块,用于接收多播空口资源,所述多播空口资源是目标网络侧设备在接收到来自MB NF的多播QoS信息的情况下预留的,其中,所述多播空口资源用于终端通过切换后的目标模式接收多播业务数据,所述多播QoS信息对应于所述多播业务数据。
- 一种模式切换的装置,所述装置包括:接收模块,用于接收多播空口资源,所述多播空口资源是目标网络侧设备在接收到来自MB NF的多播QoS信息的情况下预留的,其中,所述多播空口资源用于所述装置通过切换后的目标模式接收多播业务数据,所述多播QoS信息对应于所述多播业务数据。
- 一种终端,包括处理器,存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如权利要求19所述的模式切换方法。
- 一种网络侧设备,包括处理器,存储器及存储在所述存储器上并可在所述处理器上运行的程序或指令,所述程序或指令被所述处理器执行时实现如权利要求1至18任一项所述的模式切换方法。
- 一种可读存储介质,所述可读存储介质上存储程序或指令,所述程序或指令被所述处理器执行时实现如权利要求1-18任一项所述的模式切换方法,或者实现如权利要求19所述的模式切换方法。
- 一种计算机程序产品,其特征在于,所述程序产品被存储在非易失的存储介质中,所述程序产品被至少一个处理器执行以实现如权利要求1-18中任一项所述的模式切换方法,或者实现如权利要求19所述的模式切换方法。
- 一种电子设备,其特征在于,包括所述电子设备被配置成用于执行如权利要求1-18中任一项所述的模式切换方法,或者实现如权利要求19所述的模式切换方法。
- 一种芯片,其特征在于,所述芯片包括处理器和通信接口,所述通信接口和所述处理器耦合,所述处理器用于运行程序或指令,实现如权利要求1-18中任一项所述的模式切换方法,或者实现如权利要求19所述的模式切换方法。
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JP2022575245A JP7473689B2 (ja) | 2020-06-09 | 2021-06-09 | モード切り替え方法、端末及びネットワーク側機器 |
AU2021286622A AU2021286622B2 (en) | 2020-06-09 | 2021-06-09 | Mode Switching Method, Terminal, and Network-Side Device |
EP21822607.4A EP4164287A4 (en) | 2020-06-09 | 2021-06-09 | MODE SWITCHING METHOD, TERMINAL AND NETWORK SIDE DEVICE |
KR1020237000099A KR20230019936A (ko) | 2020-06-09 | 2021-06-09 | 모드 전환 방법, 단말 및 네트워크 측 기기 |
BR112022025107A BR112022025107A2 (pt) | 2020-06-09 | 2021-06-09 | Método de comutação de modo, terminal e dispositivo do lado da rede. |
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US17/994,701 US20230089037A1 (en) | 2020-06-09 | 2022-11-28 | Mode switching method, terminal, and network-side device |
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JP2023529390A (ja) | 2023-07-10 |
MX2022015699A (es) | 2023-01-24 |
CN113784384A (zh) | 2021-12-10 |
BR112022025107A2 (pt) | 2022-12-27 |
CA3185315A1 (en) | 2021-12-16 |
CN113784384B (zh) | 2024-03-08 |
AU2021286622B2 (en) | 2024-05-16 |
AU2021286622A1 (en) | 2022-12-22 |
EP4164287A1 (en) | 2023-04-12 |
EP4164287A4 (en) | 2023-12-06 |
JP7473689B2 (ja) | 2024-04-23 |
US20230089037A1 (en) | 2023-03-23 |
KR20230019936A (ko) | 2023-02-09 |
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