WO2021208059A1 - Procédé et appareil d'établissement de connexion, dispositif et support d'enregistrement - Google Patents
Procédé et appareil d'établissement de connexion, dispositif et support d'enregistrement Download PDFInfo
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- WO2021208059A1 WO2021208059A1 PCT/CN2020/085281 CN2020085281W WO2021208059A1 WO 2021208059 A1 WO2021208059 A1 WO 2021208059A1 CN 2020085281 W CN2020085281 W CN 2020085281W WO 2021208059 A1 WO2021208059 A1 WO 2021208059A1
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- mbs service
- connection establishment
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- service
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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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- the embodiments of the present application relate to the field of communication technologies, and in particular, to a connection establishment method, device, device, and storage medium.
- MBS Multicast Broadcast Service
- MBS service refers to the point-to-multipoint transmission of the same information content to multiple (ie multicast) or all (ie broadcast) UEs on the air interface. It can realize network resource sharing, improve the utilization of network resources, especially air interface resources, and efficiently provide users with high-speed and stable multimedia services.
- connection establishment method a connection establishment method, device, equipment, and storage medium.
- the technical solution is as follows:
- an embodiment of the present application provides a method for establishing a connection, which is applied to a terminal device, and the method includes:
- AC configuration information includes at least one set of correspondences between services and ACs;
- an embodiment of the present application provides a connection establishment method, which is applied to an access network device, and the method includes:
- the AC configuration information From the AC configuration information, determine the AC corresponding to the MBS service; wherein the AC configuration information includes at least one set of correspondence between the service and the AC;
- an embodiment of the present application provides a session request method, which is applied to a terminal device, and the method includes:
- an embodiment of the present application provides a session response method, which is applied to a core network device, and the method includes:
- rejection message for the session management request to the terminal device, where the rejection message includes a BO timer for the MBS service.
- an embodiment of the present application provides a connection establishment device, which is applied to a terminal device, and the device includes:
- the type determining module is configured to determine the AC corresponding to the MBS service from the AC configuration information; wherein the AC configuration information includes at least one set of correspondence relationships between services and ACs;
- the request sending module is configured to determine that the AC corresponding to the MBS service meets the access condition of the access network device, and send a connection establishment request to the access network device.
- an embodiment of the present application provides a connection establishment device, which is applied to an access network device, and the device includes:
- the type determining module is configured to determine the AC corresponding to the MBS service from the AC configuration information; wherein the AC configuration information includes at least one set of correspondence relationships between services and ACs;
- a system message sending module configured to send a system broadcast message, where the system broadcast message includes the access conditions to be met by the AC corresponding to the MBS service;
- the request receiving module is configured to receive a connection establishment request from the terminal device, and the connection establishment request is sent when the AC corresponding to the MBS service meets the access condition.
- an embodiment of the present application provides a session request device, which is applied to a terminal device, and the device includes:
- the request sending module is used to send the MBS service-related session management request to the core network device;
- the message receiving module is configured to receive a rejection message from the core network device for the session management request, where the rejection message includes the BO timer for the MBS service.
- an embodiment of the present application provides a session response device, which is applied to a core network device, and the device includes:
- the request receiving module is used to receive the MBS service-related session management request from the terminal device;
- the message sending module is configured to send a rejection message for the session management request to the terminal device, where the rejection message includes the BO timer for the MBS service.
- an embodiment of the present application provides a terminal device, the terminal device including: a processor, and a transceiver connected to the processor; wherein:
- the processor is configured to determine the AC corresponding to the MBS service from the AC configuration information; wherein the AC configuration information includes at least one set of correspondences between services and the AC;
- the transceiver is configured to determine that the AC corresponding to the MBS service meets the access condition of the access network device, and send a connection establishment request to the access network device.
- an embodiment of the present application provides an access network device, the access network device includes: a processor, and a transceiver connected to the processor; wherein:
- the processor is configured to determine the AC corresponding to the MBS service from the AC configuration information; wherein the AC configuration information includes at least one set of correspondences between services and the AC;
- the transceiver is configured to send a system broadcast message, where the system broadcast message includes the access conditions to be met by the AC corresponding to the MBS service;
- the transceiver is further configured to receive a connection establishment request from the terminal device, where the connection establishment request is sent when the AC corresponding to the MBS service meets the access condition.
- an embodiment of the present application provides a terminal device, the terminal device including: a processor, and a transceiver connected to the processor; wherein:
- the transceiver is used to send a MBS service-related session management request to a core network device;
- the transceiver is further configured to receive a rejection message from the core network device for the session management request, where the rejection message includes a BO timer for the MBS service.
- an embodiment of the present application provides a core network device.
- the core network device includes a processor and a transceiver connected to the processor; wherein:
- the transceiver is configured to receive a session management request related to the MBS service from a terminal device;
- the transceiver is further configured to send a rejection message for the session management request to the terminal device, where the rejection message includes a BO timer for the MBS service.
- an embodiment of the present application provides a computer-readable storage medium in which a computer program is stored, and the computer program is used to be executed by a processor of a terminal device to realize the connection on the terminal device side as described above. Establish method.
- an embodiment of the present application provides a computer-readable storage medium in which a computer program is stored, and the computer program is used to be executed by a processor of an access network device to implement the above-mentioned access network.
- an embodiment of the present application provides a computer-readable storage medium in which a computer program is stored, and the computer program is used to be executed by a processor of a terminal device to implement the above-mentioned session on the terminal device side. Request method.
- an embodiment of the present application provides a computer-readable storage medium in which a computer program is stored, and the computer program is used to be executed by a processor of a core network device to implement the above-mentioned core network device side The session response method.
- an embodiment of the present application provides a chip that includes a programmable logic circuit and/or program instructions.
- the chip When the chip is running on a terminal device, it is used to implement connection establishment on the terminal device side as described above. method.
- an embodiment of the present application provides a chip that includes a programmable logic circuit and/or program instructions.
- the chip runs on an access network device, it is used to implement the access network device as described above.
- the connection establishment method of the side is described above.
- an embodiment of the present application provides a chip that includes a programmable logic circuit and/or program instructions.
- the chip When the chip is running on a terminal device, it is used to implement a session request on the terminal device side as described above. method.
- an embodiment of the present application provides a chip that includes a programmable logic circuit and/or program instructions.
- the chip runs on a core network device, it is used to implement the above-mentioned core network device side Session response method.
- the terminal device and the access network device can determine the AC for the MBS service. Furthermore, the access network device can set the access conditions for the AC and provide the terminal The device broadcasts the access condition, and when the AC meets the access condition of the access network device, the terminal device sends a connection establishment request to the access network device, realizing the establishment of a connection between the terminal device and the access network device for the MBS service.
- the types of services that can be provided by the access network equipment are expanded, and the service functions that can be used by the terminal equipment are enriched.
- FIG. 1 is a schematic diagram of a system architecture provided by an embodiment of the present application.
- Figure 2 is a schematic diagram of a 5GS system architecture provided by an embodiment of the present application.
- FIG. 3 is a flowchart of a connection establishment method provided by an embodiment of the present application.
- FIG. 4 is a flowchart of a connection establishment method provided by another embodiment of the present application.
- FIG. 5 is a flowchart of a session management method provided by an embodiment of the present application.
- Fig. 6 is a block diagram of a connection establishment device provided by an embodiment of the present application.
- FIG. 7 is a block diagram of a connection establishment device provided by another embodiment of the present application.
- FIG. 8 is a block diagram of a connection establishment device provided by still another embodiment of the present application.
- FIG. 9 is a block diagram of a connection establishment device provided by another embodiment of the present application.
- FIG. 10 is a block diagram of a session request apparatus provided by an embodiment of the present application.
- FIG. 11 is a block diagram of a conversation response device provided by an embodiment of the present application.
- FIG. 12 is a structural block diagram of a terminal device provided by an embodiment of the present application.
- FIG. 13 is a structural block diagram of an access network device provided by an embodiment of the present application.
- Fig. 14 is a structural block diagram of a core network device provided by an embodiment of the present application.
- GSM Global System of Mobile Communication
- CDMA Code Division Multiple Access, code division multiple access
- ECDMA Wideband Code Division Multiple Access
- Broadband Code Division Multiple Access GPRS (General Packet Radio Service, General Packet Radio Service)
- LTE Long Term Evolution
- FDD Frequency Division Duplex
- TDD Time Division Duplex
- UMTS Universal Mobile Telecommunication System
- WiMAX Worldwide Interoperability for Microwave Access
- FIG. 1 shows a schematic diagram of a system architecture of a communication system provided by an embodiment of the present application.
- the system architecture 100 may include: a terminal device 10, an access network device 20, and a core network device 30.
- the terminal device 10 may refer to a UE, an access terminal, a user unit, a user station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a wireless communication device, a user agent, or a user device.
- the terminal device may also be a cellular phone, a cordless phone, a SIP (Session Initiation Protocol) phone, a WLL (Wireless Local Loop, wireless local loop) station, a PDA (Personal Digita1 Assistant, personal digital processing), Handheld devices with wireless communication functions, computing devices, or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, terminal devices in the 5GS (5th Generation System, fifth-generation mobile communication system) or future evolution PLMN ( The terminal equipment in Pub1ic Land Mobile Network, public land mobile communication network, etc., is not limited in the embodiment of the present application.
- the access network device 20 is a device deployed in the access network to provide the terminal device 10 with a wireless communication function.
- the access network equipment 20 may include various forms of macro base stations, micro base stations, relay stations, access points, and so on.
- the names of devices with access network device functions may be different. For example, in a 5G NR system, they are called gNodeB or gNB. With the evolution of communication technology, the name "access network equipment" may change.
- access network devices For the convenience of description, in the embodiments of the present application, the above-mentioned devices that provide wireless communication functions for the terminal device 10 are collectively referred to as access network devices.
- the core network device 30 refers to a device that can provide the terminal device 10 with functions such as session management, mobility relationship, policy management, and security authentication.
- the core network device 30 may include a first core network device and a second core network device.
- the first core network device is responsible for the access management and mobility management of the terminal device 10
- the second core network device is responsible for Session management of the terminal device 10.
- the terminal device 10 when the terminal device 10 needs to perform operations related to a PDU (Protocol Data Unit) session, the terminal device 10 first sends a connection to the first core network device in the core network device 30 through the access network device 20 Request to establish a connection with the core network device 30, and then send a session management request to the second core network device in the core network device 30 through the access network device 20 to perform PDU session-related operations.
- the first core network can be implemented as AMF (Core Access and Mobility Management Function, core network access and mobility management functions)
- the second core network device can be implemented as SMF (Session Management Function, Session management function).
- Fig. 2 shows a schematic diagram of the system architecture of the 5GS system provided by an embodiment of the present application.
- the system architecture 200 may include: UE, RAN (Radio Access Network), Core (core network), and DN.
- UE, RAN, and Core are the main components of the architecture. Logically, they can be divided into two parts: the user plane and the control plane.
- the control plane is responsible for the management of the mobile network, and the user plane is responsible for the transmission of business data.
- the NG2 reference point is between the RAN control plane and the Core control plane
- the NG3 reference point is between the RAN user plane and the Core user plane
- the NG6 reference point is between the Core user plane and the data network.
- the UE It is the portal for mobile users to interact with the network. It can provide basic computing and storage capabilities, display service windows to users, and accept user input. The UE will adopt the next-generation air interface technology to establish a signal connection and data connection with the RAN, thereby transmitting control signals and service data to the mobile network.
- RAN Similar to a base station in a traditional network, it is deployed close to the UE to provide network access for authorized users in a specific area, and can use transmission tunnels of different quality to transmit user data according to the user's level and service requirements.
- the RAN can manage its own resources, make reasonable use of it, provide access services for the UE on demand, and forward control signals and user data between the UE and the core network.
- Core responsible for maintaining the contract data of the mobile network, managing the network elements of the mobile network, and providing the UE with functions such as session management, mobility management, policy management, and security authentication.
- the UE When the UE is attached, the UE is provided with network access authentication; when the UE has a service request, the UE is allocated network resources; when the UE is moving, the UE is updated with network resources; when the UE is idle, the UE is provided with a fast recovery mechanism: When the UE is detached, it releases network resources for the UE; when the UE has service data, it provides data routing functions for the UE, such as forwarding uplink data to the DN: or receiving the UE downlink data from the DN, forwarding it to the RAN, and then sending it to the UE .
- data routing functions for the UE such as forwarding uplink data to the DN: or receiving the UE downlink data from the DN, forwarding it to the RAN, and then sending it to the UE .
- the DN It is a data network that provides business services to users.
- the client is located in the UE and the server is located in the data network.
- the data network can be a private network, such as a local area network, or an external network that is not controlled by the operator, such as the Internet, or a private network jointly deployed by the operator, such as to configure IMS (IP Multimedia Core Network Subsystem, IP Multimedia) Network subsystem) services.
- IMS IP Multimedia Core Network Subsystem, IP Multimedia
- the terminal device can access the wireless access network provided by the communication system and establish an RRC (Radio Resource Control) connection with the access network device; it can also access the core provided by the communication system Network, and request session management from the core network equipment.
- RRC Radio Resource Control
- an RRC connection when an RRC connection is established between a terminal device and an access network device, it needs to determine the AC used from the predefined configuration information according to the service type that triggers the connection establishment by itself, and then obtain the corresponding AC from the system message When the access condition is satisfied, an RRC connection establishment request is sent to the access network device.
- the predefined configuration information does not include the AC used by the terminal device for the MBS service, and the network cannot perform access control on the terminal device for the MBS service.
- a terminal device when a terminal device requests session management from a core network device, it needs to send a session management request to the core network device. After the core network device receives the session management request, if it rejects the session management request from the terminal device, it will send a request to the terminal The device sends a rejection message.
- the rejection message includes the BO timer associated with the DNN (Data Network Name) and/or S-NSSAI (Single-Network Slice Selection Assistance Information) of the session. Then, according to the rejection message, the terminal device no longer sends a session management request for the session corresponding to the DNN and/or S-NSSAI to the core network device within the time period of the BO timer.
- the MBS service session may not be associated with a special DNN and/or S-NSSAI, or because the service scene division of the MBS service is more delicate and cannot be distinguished by a special DNN and/or S-NSSAI, BO timing
- the device cannot be associated with the MBS service, and the network cannot prevent the terminal device from again initiating access and session management for the rejected MBS service.
- the embodiments of the present application provide a connection establishment method and a session management method, which can be used to solve the above-mentioned problems.
- the technical solution of the present application will be introduced and explained in combination with several exemplary embodiments.
- FIG. 3 shows a flowchart of a connection establishment method provided by an embodiment of the present application.
- the method can be applied to the system architecture shown in FIG. 1 or FIG. 2.
- the method may include the following steps:
- Step 310 The terminal device determines the AC corresponding to the MBS service from the AC configuration information.
- the AC configuration information refers to information obtained by configuring the AC.
- the embodiment of the present application does not limit the manner of determining the AC configuration information.
- the AC configuration information is predefined by a communication protocol.
- the AC configuration information includes at least one set of correspondence between a service or process and the AC, so that the terminal device can determine the AC corresponding to the service or process from the AC configuration information according to the service to be established.
- the corresponding relationship is expressed in the form of a table.
- the embodiment of the application does not limit the specific content of the corresponding relationship.
- the corresponding relationship includes: business information, process and AC information, where the business information includes at least one set of services, such as MBS services, automation services, and emergency services , Multimedia phone services, etc., AC information is the AC corresponding to at least one set of services.
- the AC is expressed in numerical form.
- the AC corresponding to the emergency service is 2 and the AC corresponding to the multimedia phone service is 9; optionally,
- the correspondence relationship also includes condition information.
- the condition information is a condition that needs to be met when at least one set of services correspond to the AC. For example, when an emergency service corresponds to 2, the condition that the service is an emergency meeting needs to be satisfied.
- the embodiment of the present application does not limit the determining subject of the AC corresponding to a group of services.
- the AC corresponding to a group of services is predefined by a communication protocol; or, defined by an operator. By defining the AC corresponding to a set of services by the operator, the corresponding relationship between the service and the AC can be set more flexibly.
- the embodiments of this application do not limit the specific correspondence between a group of services and ACs.
- a group of services corresponds to one AC, such as multimedia phone service corresponding to 9; or, a group of services corresponds to multiple ACs, such as multimedia phone
- the business corresponds to 34, 44, 60, etc.
- Corresponding to one AC for a group of services can avoid the time and cost of configuring multiple corresponding ACs for a group of services and save AC resources; by corresponding to multiple ACs for a group of services, multiple ACs in a group of services can be targeted.
- For each business scenario configure the AC corresponding to each business scenario, so that the corresponding relationship can be configured more delicately, and conflicts between multiple business scenarios in a group of businesses can be avoided.
- the embodiment of the present application proposes the following two configuration methods for determining the subject of the AC corresponding to the MBS service and the corresponding relationship between the MBS service and the AC.
- the AC corresponding to the MBS service is a dedicated value predefined in the communication protocol. That is, the MBS service corresponds to a dedicated AC, and the terminal equipment for each service scenario in the MBS service, the AC determined from the AC configuration information is the dedicated value.
- the dedicated value is 10.
- the embodiments of this application do not limit the specific business scenarios of MBS services.
- the business scenarios include terminal equipment receiving car networking traffic signals, terminal equipment initiated mobile management connection management, terminal equipment initiated mobile management NAS signaling transmission, The terminal equipment establishes a multicast session, and the terminal equipment receives earthquake warning information, etc.
- Rule# serial number means the position of the MBS service and its corresponding AC in the AC configuration information
- Type of access attempt means each service scenario, for example, it includes UE NAS initiated 5GMM connection management procedure or 5GMM NAS transport procedure (connection management of mobile management or NAS signaling transmission of mobile management initiated by terminal equipment).
- the application scenario shown in Table 1 above is only an example, and the actual application may also include other
- the terminal device establishes a multicast session
- Requirements to be met are the conditions that each business scenario needs to meet with the AC.
- the access attempt is for MBS (Access attempt) Used for MBS), that is, the business scenario is used for MBS business; AC is a value corresponding to each business scenario, for example, it may be a dedicated value 10 predefined in the communication protocol.
- MBS Access attempt
- AC is a value corresponding to each business scenario, for example, it may be a dedicated value 10 predefined in the communication protocol.
- the AC corresponding to the MBS service is defined by the operator. That is, the operator can freely define the AC corresponding to the MBS service within its definable value range.
- the embodiment of this application does not limit the specific manner in which the operator defines the AC corresponding to the MBS service.
- the operator-defined AC value range (Operator-defined AC) defined by the operator, the first value corresponding to the MBS service is also used.
- the operator uses the first value as the AC corresponding to the MBS service from the definable value range, such as 36 as the AC corresponding to the MBS service; or, using n second values corresponding to n service scenarios of the MBS service .
- the n business scenarios correspond to the n second values one-to-one, and n is a positive integer, that is, the operator uses multiple second values as the corresponding business scenarios of the MBS service from its definable value range
- the number of this second value is the same as the number of business scenarios in the MBS business.
- use 34 corresponds to the business scenario of mobile management
- use 50 corresponds to the business scenario of Internet of Vehicles
- use 61 corresponds to the natural disaster early warning.
- the value range corresponding to AC defined by the operator is 32 to 63.
- the AC corresponding to the MBS service when the AC corresponding to the MBS service is defined by the operator, the AC corresponding to the MBS service can be carried in a SIM (Subscriber Identity Module) card, or carried in a NAS (Non-access stratum). Into the layer) signaling.
- SIM Subscriber Identity Module
- NAS Non-access stratum
- the n second values when n second values are used to correspond to n business scenarios of the MBS service, the n second values can be combined with the IDs of the n business scenarios of the MBS service ( Identity, identification) association achieves the corresponding purpose.
- the ID is TMGI (Temporary Mobile Group Identity, Temporary Mobile Group Identity), or a multicast address ( Multicast Address).
- the Criteria type (rule type) value corresponding to the AC can be the ID of n service scenarios of the MBS service, that is, the Criteria type value can be determined by the operator Define autonomously according to the IDs of n business scenarios of the MBS service.
- Step 320 The access network device determines the AC corresponding to the MBS service from the AC configuration information.
- the access network device needs to determine each AC from the AC configuration information, and configure corresponding access control parameters for it.
- the access network device can determine the AC corresponding to the MBS service from the AC configuration information, and configure access control parameters for the AC corresponding to the MBS service to control the number of terminal devices that access the MBS service.
- Step 330 The access network device sends a system broadcast message.
- the access network device After the access network device completes the access control parameters for the AC configuration corresponding to the MBS service, it can send a system broadcast message to the terminal devices within the service range of the access network device in the form of broadcast.
- the system broadcast message includes the AC corresponding to the MBS service.
- the access condition to be satisfied, the access condition may be the above-mentioned access control parameter.
- step 310 can be performed before step 320 and step 330, or after step 320 and step 330.
- Execution can also be executed simultaneously with step 320 and step 330.
- Step 340 The terminal device determines that the AC corresponding to the MBS service meets the access condition of the access network device, and sends a connection establishment request to the access network device.
- the terminal device After determining the AC corresponding to the MBS service, the terminal device can search for the access condition of the access network device to be satisfied by the AC from the received system broadcast message, and determine whether the AC meets the searched access condition. When the terminal device determines that the AC meets the found access conditions, it sends a connection establishment request to the access network device, where the connection establishment request is used to request the establishment of an RRC connection between the terminal device and the access network device.
- the connection establishment request includes the connection establishment reason corresponding to the MBS service, so that when the access network device receives the connection establishment request, it can clarify the reason why the terminal device requests the establishment of the RRC connection, and determine whether the access network device is allowed Terminal equipment access provides a reference basis.
- the terminal device needs to determine the connection establishment reason corresponding to the MBS service.
- the terminal device determines the connection establishment corresponding to the MBS service from the predefined connection establishment reason configuration information. reason.
- connection establishment reason configuration information refers to information for configuring the RRC connection establishment reason.
- the embodiment of the present application does not limit the method for determining the connection establishment reason configuration information.
- the connection establishment reason configuration information is predefined by the communication protocol.
- the connection reason configuration information includes at least one set of correspondences between the service and the connection establishment reason, so that the terminal device can determine the connection establishment corresponding to the service from the connection establishment reason configuration information according to the service to be established reason.
- the corresponding relationship is expressed in the form of a table.
- the corresponding relationship includes AC information and cause information, where the AC information is an AC corresponding to at least one set of services, optionally, the AC is expressed in a numerical form, and the cause information is the establishment of an RRC connection corresponding to at least one set of services Reason;
- the corresponding relationship also includes identity information, the identity information is the identity type of the terminal device, and optionally, the identity information indicates the priority order of the terminal device when establishing an RRC connection with the access network device Therefore, according to the identity information, when there are multiple terminal devices that need to access the wireless access network, the terminal device with a higher priority can first establish the RRC connection establishment.
- connection establishment reason configuration information since there is a correspondence between at least one set of services and ACs, when configuring the connection establishment reason configuration information, in order to simplify the content of the configuration, at least one set of services corresponding to the AC and the connection establishment reason can be used to establish the connection establishment information.
- Correspondence As shown in Table 2 below, it shows a form of expression of the configuration information of the reason for connection establishment.
- Rule# serial number
- Access identities means the identity type of the terminal device.
- the identity type of the terminal device that requests the establishment of the RRC connection is not limited;
- AC is the value corresponding to the MBS service, and the AC corresponding to the MBS service in the embodiment of this application can be a dedicated value predefined by the communication protocol, such as 10, or it can be an operation Operator-defined AC (Operator-defined AC), optionally, the range of AC that the operator can define is 32 to 63;
- RRC establishment cause is set to (RRC establishment reason) is the reason for establishing the connection of the MBS service, optionally , The reason for establishing the connection is for MBS service connection (MBS-access).
- the above method further includes step 350: the access network device sends a rejection message for the connection establishment request to the terminal device.
- the access network device may reject the connection establishment request, and send a rejection message for the connection establishment request to the terminal device.
- the embodiment of this application does not limit the specific reason why the access network device rejects the connection establishment request of the terminal device.
- the access network device determines that the current network service quality is poor, does not currently support the MBS service, or the MBS service is not authorized. To send a rejection message for the connection establishment request to the terminal device.
- the embodiment of this application does not limit the specific content of the rejection message.
- the rejection message includes a first timer associated with the ID of the MBS service. The first timer is used to indicate to the terminal device that the MBS service is no longer processed.
- the duration for example, within the timing duration of the first timer, the terminal device no longer sends a connection establishment request related to the MBS service ID to the access network device, and by associating the first timer with the MBS service ID, The terminal device is made to clarify the business content that does not need to be processed within the timing duration of the first timer, and it is avoided that the terminal device no longer initiates a connection establishment request to the access network device for all services within the timing duration of the first timer, Affect the terminal equipment to perform other services.
- the first timer is a BO timer.
- the rejection message of the connection establishment request may also carry a rejection reason, and the rejection reason includes at least one of the following: MBS service is not supported, and MBS service is not authorized, so that the terminal device can clarify the reason for the rejection of the connection establishment request.
- the technical solution provided by the embodiments of this application adds the correspondence between the MBS service and the AC in the AC configuration information, so that the terminal device and the access network device can determine the AC for the MBS service, and then connect The network access device can set access conditions for the AC and broadcast the access conditions to the terminal device.
- the terminal device sends a connection establishment request to the access network device to realize the terminal.
- the connection between the equipment and the access network equipment is established for the MBS service, which expands the types of services that the access network equipment can provide and enriches the service functions that can be used by the terminal equipment.
- the AC corresponding to the MBS service may be a dedicated value predefined by the communication protocol, thereby avoiding configuring multiple corresponding ACs for the MBS service and saving AC configuration resources.
- the AC corresponding to the MBS service may also be defined by the operator, so that the operator can flexibly set the AC corresponding to the MBS service.
- the operator can select multiple values from the numerical range corresponding to the AC to correspond to multiple business scenarios of the MBS service, thereby configuring the AC corresponding to each business scenario of the MBS service, so that the MBS service There is a more delicate correspondence with the AC, which realizes that the terminal equipment has a variety of optional ACs for the MBS service.
- the access network device may send a rejection message for the connection establishment request to the terminal device, so as to reject the terminal device’s connection establishment request for the MBS service. Since the rejection message includes the timer associated with the MBS service ID, the terminal device can no longer send the connection establishment request related to the MBS service ID to the access network device within the time period of the timer, and then The access network device's refusal of the terminal device's connection establishment request for the MBS service will not affect the normal development of other services, ensuring the stability of the terminal device's business development.
- FIG. 5 shows a flowchart of a session management method provided by an embodiment of the present application.
- the method can be applied to the system architecture shown in FIG. 1 or FIG. 2.
- the method may include the following steps:
- Step 510 The terminal device sends a session management request related to the MBS service to the core network device.
- the terminal device can request the establishment, modification and release of the MBS service-related session by sending the MBS service-related session management request to the core network device.
- the session may be a PDU session.
- the core network device may be the second core network device with a session management function in the foregoing embodiment, and in the 5GS system, the core network device may be implemented as an SMF.
- Step 520 The core network device sends a rejection message for the session management request to the terminal device, where the rejection message includes the BO timer for the MBS service.
- the core network device may reject the session management request, and send a rejection message for the session management request to the terminal device.
- the embodiment of this application does not limit the specific reasons why the core network device rejects the session management request of the terminal device.
- the core network device determines that the current network service quality is poor, does not currently support the MBS service, or the MBS service is not authorized, The terminal device sends a rejection message for the session management request.
- the embodiment of this application does not limit the specific content of the rejection message.
- the rejection message includes a BO timer for the MBS service, so that after receiving the rejection message, the terminal device does not limit the duration of the BO timer. Then initiate a session management request for the MBS service to the core network device.
- the terminal device can initiate a session management request to the core network device for multiple business scenarios.
- the rejection also includes the ID of the MBS service.
- the rejection message may also carry a rejection reason, and the rejection reason includes at least one of the following: MBS service is not supported, and MBS service is not authorized, so that the terminal device can clarify the reason for the rejection of the session management request.
- the technical solution provided by the embodiments of the present application sends the MBS service-related session management request to the core network device through the terminal device.
- the core network device After receiving the session management request, the core network device sends the session management request to the terminal device.
- the requested rejection message, and the rejection message includes the BO timer for the MBS service, so that the terminal device can no longer initiate a session management request for the MBS service to the core network device within the time period of the BO timer, Avoid affecting the normal development of terminal equipment for other services, and ensure the stability of terminal equipment to carry out services.
- the rejection message may also include the ID of the MBS service. Since the service scene division of the MBS service is more delicate, it cannot be distinguished by special DNN and/or S-NSSAI. Including the ID of the MBS service in the rejection message can make the terminal device clarify the specific business scenario that is rejected, so that the terminal device can perform subsequent processing and analysis for the specific business scenario.
- the rejection message may also include the rejection reason, so that the terminal device can clarify the rejection reason, so as to facilitate subsequent improvements in the session management process.
- the technical solution of the present application is introduced and explained mainly from the perspective of interaction between the terminal device and the access network device, the terminal device and the core network device.
- the above-mentioned steps related to the terminal equipment can be separately realized as the connection establishment method or the session request method on the terminal device side;
- the above-mentioned steps related to the access network device can be separately realized as the connection establishment method on the access network device side;
- the steps performed by the core network device can be individually implemented as a session response method on the core network device side.
- FIG. 6 shows a block diagram of a connection establishment apparatus provided by an embodiment of the present application.
- the device has the function of realizing the above-mentioned method example on the terminal device side, and the function can be realized by hardware, or by hardware executing corresponding software.
- the device can be the terminal device described above, or it can be set in the terminal device.
- the apparatus 600 may include: a type determining module 610 and a request sending module 620.
- the type determination module 610 is configured to determine the AC corresponding to the MBS service from the AC configuration information; wherein the AC configuration information includes at least one set of correspondences between services and the AC.
- the request sending module 620 is configured to determine that the AC corresponding to the MBS service meets the access condition of the access network device, and send a connection establishment request to the access network device.
- the AC corresponding to the MBS service is a dedicated value predefined in the communication protocol.
- the dedicated value is 10.
- the AC corresponding to the MBS service is defined by the operator.
- a first numerical value is used to correspond to the MBS service; and/or n second numerical values are used to correspond to n business scenarios of the MBS service,
- the n business scenarios have a one-to-one correspondence with the n second values, and the n is a positive integer.
- the apparatus 600 further includes: a reason determination module 630, configured to determine the connection establishment reason corresponding to the MBS service from the predefined connection establishment reason configuration information;
- the connection establishment reason configuration information includes at least one set of correspondences between services and connection establishment reasons, and the connection establishment request includes a connection establishment reason corresponding to the MBS service.
- the apparatus 600 further includes: a rejection message receiving module 640, configured to receive a rejection message from the access network device for the connection establishment request, in the rejection message It includes a first timer associated with the ID of the MBS service.
- a rejection message receiving module 640 configured to receive a rejection message from the access network device for the connection establishment request, in the rejection message It includes a first timer associated with the ID of the MBS service.
- the terminal device within the timing duration of the first timer, the terminal device no longer sends a connection establishment request related to the ID of the MBS service to the access network device.
- the technical solution provided by the embodiments of this application adds the correspondence between the MBS service and the AC in the AC configuration information, so that the terminal device and the access network device can determine the AC for the MBS service, and then connect The network access device can set access conditions for the AC and broadcast the access conditions to the terminal device.
- the terminal device sends a connection establishment request to the access network device to realize the terminal.
- the connection between the equipment and the access network equipment is established for the MBS service, which expands the types of services that the access network equipment can provide and enriches the service functions that can be used by the terminal equipment.
- the AC corresponding to the MBS service may be a dedicated value predefined by the communication protocol, thereby avoiding configuring multiple corresponding ACs for the MBS service and saving AC configuration resources.
- the AC corresponding to the MBS service may also be defined by the operator, so that the operator can flexibly set the AC corresponding to the MBS service.
- the operator can select multiple values from the numerical range corresponding to the AC to correspond to multiple business scenarios of the MBS service, thereby configuring the AC corresponding to each business scenario of the MBS service, so that the MBS service There is a more delicate correspondence with the AC, which realizes that the terminal equipment has a variety of optional ACs for the MBS service.
- the access network device may send a rejection message for the connection establishment request to the terminal device, so as to reject the terminal device’s connection establishment request for the MBS service. Since the rejection message includes the timer associated with the MBS service ID, the terminal device can no longer send the connection establishment request related to the MBS service ID to the access network device within the time period of the timer, and then The access network device's refusal of the terminal device's connection establishment request for the MBS service will not affect the normal development of other services, ensuring the stability of the terminal device's business development.
- FIG. 8 shows a block diagram of a connection establishment apparatus provided by an embodiment of the present application.
- the device has the function of realizing the example of the method on the side of the access network device, and the function can be realized by hardware, or by hardware executing corresponding software.
- the device can be the access network equipment described above, or can be set in the access network equipment.
- the apparatus 800 may include: a type determining module 810, a system message sending module 820, and a request receiving module 830.
- the type determining module 810 is configured to determine the AC corresponding to the MBS service from the AC configuration information; wherein the AC configuration information includes at least one set of correspondence relationships between services and ACs.
- the system message sending module 820 is configured to send a system broadcast message, where the system broadcast message includes the access conditions to be met by the AC corresponding to the MBS service.
- the request receiving module 830 is configured to receive a connection establishment request from the terminal device, where the connection establishment request is sent when the AC corresponding to the MBS service meets the access condition.
- the AC corresponding to the MBS service is a dedicated value predefined in the communication protocol.
- the dedicated value is 10.
- the AC corresponding to the MBS service is defined by the operator.
- a first numerical value is used to correspond to the MBS service; and/or n second numerical values are used to correspond to n sub-services of the MBS service, so The n sub-services have a one-to-one correspondence with the n second values, and the n is a positive integer.
- the apparatus 800 further includes: a rejection message sending module 840, configured to send a rejection message for the connection establishment request to the terminal device, and the rejection message includes The first timer associated with the ID of the MBS service.
- the technical solution provided by the embodiments of this application adds the correspondence between the MBS service and the AC in the AC configuration information, so that the terminal device and the access network device can determine the AC for the MBS service, and then connect The network access device can set access conditions for the AC and broadcast the access conditions to the terminal device.
- the terminal device sends a connection establishment request to the access network device to realize the terminal.
- the RRC connection between the equipment and the access network equipment is established for the MBS service, which expands the types of services that the access network equipment can provide and enriches the service functions that can be used by the terminal equipment.
- the AC corresponding to the MBS service may be a dedicated value predefined by the communication protocol, thereby avoiding configuring multiple corresponding ACs for the MBS service and saving AC configuration resources.
- the AC corresponding to the MBS service may also be defined by the operator, so that the operator can flexibly set the AC corresponding to the MBS service.
- the operator can select multiple values from the numerical range corresponding to the AC to correspond to multiple business scenarios of the MBS service, thereby configuring the AC corresponding to each business scenario of the MBS service, so that the MBS service There is a more delicate correspondence with the AC, which realizes that the terminal equipment has a variety of optional ACs for the MBS service.
- the access network device may send a rejection message for the connection establishment request to the terminal device, so as to reject the terminal device’s connection establishment request for the MBS service. Since the rejection message includes the timer associated with the MBS service ID, the terminal device can no longer send the connection establishment request related to the MBS service ID to the access network device within the time period of the timer, and then The access network device's refusal of the terminal device's connection establishment request for the MBS service will not affect the normal development of other services, ensuring the stability of the terminal device's business development.
- FIG. 10 shows a block diagram of a session request apparatus provided by an embodiment of the present application.
- the device has the function of realizing the above-mentioned method example on the terminal device side, and the function can be realized by hardware, or by hardware executing corresponding software.
- the device can be the terminal device described above, or it can be set in the terminal device.
- the apparatus 1000 may include: a request sending module 1010 and a message receiving module 1020.
- the request sending module 1010 is used to send the MBS service-related session management request to the core network device.
- the message receiving module 1020 is configured to receive a rejection message from the core network device for the session management request, where the rejection message includes a back-off BO timer for the MBS service.
- the rejection message also includes the ID of the MBS service.
- the terminal device within the timing duration of the BO timer, the terminal device no longer sends a session request related to the ID of the MBS service to the core network device.
- the rejection message further includes a rejection reason for the MBS service; wherein the rejection reason includes at least one of the following: the MBS service is not supported, and the MBS service is not authorized.
- the technical solution provided by the embodiments of the present application sends the MBS service-related session management request to the core network device through the terminal device.
- the core network device After receiving the session management request, the core network device sends the session management request to the terminal device.
- the requested rejection message, and the rejection message includes the BO timer for the MBS service, so that the terminal device can no longer initiate a session management request for the MBS service to the core network device within the time period of the BO timer, Avoid affecting the normal development of terminal equipment for other services, and ensure the stability of terminal equipment to carry out services.
- the rejection message may also include the ID of the MBS service. Since the service scene division of the MBS service is more delicate, it cannot be distinguished by special DNN and/or S-NSSAI. Including the ID of the MBS service in the rejection message can make the terminal device clarify the specific business scenario that is rejected, so that the terminal device can perform subsequent processing and analysis for the specific business scenario.
- the rejection message may also include the rejection reason, so that the terminal device can clarify the rejection reason, so as to facilitate subsequent improvements in the session management process.
- FIG. 11 shows a block diagram of a session response apparatus provided by an embodiment of the present application.
- the device has the function of realizing the above-mentioned method example on the core network device side, and the function can be realized by hardware, or by hardware executing corresponding software.
- the device may be the core network equipment described above, or may be set in the core network equipment.
- the apparatus 1100 may include: a request receiving module 1110 and a message sending module 1120.
- the request receiving module 1110 is used to receive the MBS service-related session management request from the terminal device.
- the message sending module 1120 is configured to send a rejection message for the session management request to the terminal device, where the rejection message includes a fallback BO timer for the MBS service.
- the rejection message also includes the ID of the MBS service.
- the rejection message further includes a rejection reason for the MBS service; wherein the rejection reason includes at least one of the following: the MBS service is not supported, and the MBS service is not authorized.
- the technical solution provided by the embodiments of the present application sends the MBS service-related session management request to the core network device through the terminal device.
- the core network device After receiving the session management request, the core network device sends the session management request to the terminal device.
- the requested rejection message, and the rejection message includes the BO timer for the MBS service, so that the terminal device can no longer initiate a session management request for the MBS service to the core network device within the time period of the BO timer, Avoid affecting the normal development of terminal equipment for other services, and ensure the stability of terminal equipment to carry out services.
- the rejection message may also include the ID of the MBS service. Since the service scene division of the MBS service is more delicate, it cannot be distinguished by special DNN and/or S-NSSAI. Including the ID of the MBS service in the rejection message can make the terminal device clarify the specific business scenario that is rejected, so that the terminal device can perform subsequent processing and analysis for the specific business scenario.
- the rejection message may also include the rejection reason, so that the terminal device can clarify the rejection reason, so as to facilitate subsequent improvements in the session management process.
- the device provided in the above embodiment realizes its functions, only the division of the above-mentioned functional modules is used as an example for illustration. In actual applications, the above-mentioned functions can be allocated by different functional modules according to actual needs. That is, the content structure of the device is divided into different functional modules to complete all or part of the functions described above.
- FIG. 12 shows a schematic structural diagram of a terminal device 120 provided by an embodiment of the present application.
- the terminal device can be used to execute the connection establishment method on the terminal device side, or can be used to execute the terminal device side.
- the terminal device 120 may include: a processor 121, a receiver 122, a transmitter 123, a memory 124, and a bus 125.
- the processor 121 includes one or more processing cores, and the processor 121 executes various functional applications and information processing by running software programs and modules.
- the receiver 122 and the transmitter 123 may be implemented as a transceiver 126, and the transceiver 126 may be a communication chip.
- the memory 124 is connected to the processor 121 through the bus 125.
- the memory 124 may be used to store a computer program, and the processor 121 is used to execute the computer program to implement each step executed by the terminal device in the foregoing method embodiment.
- the memory 124 may be implemented by any type of volatile or non-volatile storage device or a combination thereof.
- the volatile or non-volatile storage device includes but is not limited to: RAM (Random-Access Memory, random access memory) And ROM (Read-Only Memory), EPROM (Erasable Programmable Read-Only Memory, Erasable Programmable Read-Only Memory), EEPROM (Electrically Erasable Programmable Read-Only Memory, Electrically Erasable Programmable Read-Only Memory) Memory), flash memory or other solid-state storage technology, CD-ROM (Compact Disc Read-Only Memory), DVD (Digital Video Disc, high-density digital video disc) or other optical storage, tape cartridges, magnetic tapes, disks Storage or other magnetic storage devices. in:
- the processor 121 is configured to determine the AC corresponding to the MBS service from the AC configuration information; wherein the AC configuration information includes at least one set of correspondences between services and the AC.
- the transceiver 126 is configured to determine that the AC corresponding to the MBS service meets the access condition of the access network device, and send a connection establishment request to the access network device.
- the AC corresponding to the MBS service is a dedicated value predefined in the communication protocol.
- the dedicated value is 10.
- the AC corresponding to the MBS service is defined by the operator.
- a first numerical value is used to correspond to the MBS service; and/or n second numerical values are used to correspond to n business scenarios of the MBS service,
- the n business scenarios have a one-to-one correspondence with the n second values, and the n is a positive integer.
- the processor 121 is further configured to determine the connection establishment reason corresponding to the MBS service from the predefined connection establishment reason configuration information; wherein, the connection establishment reason configuration information includes at least one group Correspondence between the service and the connection establishment reason, the connection establishment request includes the connection establishment reason corresponding to the MBS service.
- the transceiver 126 is further configured to receive a rejection message from the access network device for the connection establishment request, and the rejection message includes the first message associated with the ID of the MBS service. Timer.
- the terminal device within the timing duration of the first timer, the terminal device no longer sends a connection establishment request related to the ID of the MBS service to the access network device.
- the transceiver 126 is configured to send a session management request related to the MBS service to the core network device.
- the transceiver 126 is further configured to receive a rejection message from the core network device for the session management request, where the rejection message includes a back-off BO timer for the MBS service.
- the rejection message also includes the ID of the MBS service.
- the terminal device within the timing duration of the BO timer, the terminal device no longer sends a session request related to the ID of the MBS service to the core network device.
- the rejection message further includes a rejection reason for the MBS service; wherein the rejection reason includes at least one of the following: the MBS service is not supported, and the MBS service is not authorized.
- FIG. 13 shows a schematic structural diagram of an access network device 130 provided by an embodiment of the present application.
- the access network device may be used to execute the connection establishment method on the side of the access network device described above.
- the access network device 130 may include: a processor 131, a receiver 132, a transmitter 133, a memory 134, and a bus 135.
- the processor 131 includes one or more processing cores, and the processor 131 executes various functional applications and information processing by running software programs and modules.
- the receiver 132 and the transmitter 133 may be implemented as a transceiver 136, and the transceiver 136 may be a communication chip.
- the memory 134 is connected to the processor 131 through the bus 135.
- the memory 134 may be used to store a computer program, and the processor 131 is used to execute the computer program to implement each step executed by the access network device in the foregoing method embodiment.
- the memory 134 can be implemented by any type of volatile or non-volatile storage device or a combination thereof.
- the volatile or non-volatile storage device includes but is not limited to: RAM (Random-Access Memory, random access memory) And ROM (Read-Only Memory), EPROM (Erasable Programmable Read-Only Memory, Erasable Programmable Read-Only Memory), EEPROM (Electrically Erasable Programmable Read-Only Memory, Electrically Erasable Programmable Read-Only Memory) Memory), flash memory or other solid-state storage technology, CD-ROM (Compact Disc Read-Only Memory), DVD (Digital Video Disc, high-density digital video disc) or other optical storage, tape cartridges, magnetic tapes, disks Storage or other magnetic storage devices. in:
- the processor 131 is configured to determine the AC corresponding to the MBS service from the AC configuration information; wherein the AC configuration information includes at least one set of correspondences between services and the AC.
- the transceiver 136 is configured to send a system broadcast message, and the system broadcast message includes an access condition to be met by the AC corresponding to the MBS service.
- the transceiver 136 is configured to receive a connection establishment request from the terminal device, and the connection establishment request is sent when the AC corresponding to the MBS service meets the access condition.
- the AC corresponding to the MBS service is a dedicated value predefined in the communication protocol.
- the dedicated value is 10.
- the AC corresponding to the MBS service is defined by the operator.
- a first numerical value is used to correspond to the MBS service; and/or n second numerical values are used to correspond to n sub-services of the MBS service, so The n sub-services have a one-to-one correspondence with the n second values, and the n is a positive integer.
- the transceiver 136 is further configured to send a rejection message for the connection establishment request to the terminal device, where the rejection message includes the first timer associated with the ID of the MBS service.
- FIG. 14 shows a schematic structural diagram of a core network device 140 provided by an embodiment of the present application.
- the core network device may be used to execute the above-mentioned session response method on the core network device side.
- the core network device 140 may include: a processor 141, a receiver 142, a transmitter 143, a memory 144, and a bus 145.
- the processor 141 includes one or more processing cores, and the processor 141 executes various functional applications and information processing by running software programs and modules.
- the receiver 142 and the transmitter 143 may be implemented as a transceiver 146, and the transceiver 146 may be a communication chip.
- the memory 144 is connected to the processor 141 through the bus 145.
- the memory 144 may be used to store a computer program, and the processor 141 is used to execute the computer program to implement each step executed by the core network device in the foregoing method embodiment.
- the memory 144 can be implemented by any type of volatile or non-volatile storage device or a combination thereof.
- the volatile or non-volatile storage device includes but is not limited to: RAM (Random-Access Memory, random access memory) And ROM (Read-Only Memory), EPROM (Erasable Programmable Read-Only Memory, Erasable Programmable Read-Only Memory), EEPROM (Electrically Erasable Programmable Read-Only Memory, Electrically Erasable Programmable Read-Only Memory) Memory), flash memory or other solid-state storage technology, CD-ROM (Compact Disc Read-Only Memory), DVD (Digital Video Disc, high-density digital video disc) or other optical storage, tape cartridges, magnetic tapes, disks Storage or other magnetic storage devices. in:
- the transceiver 146 is configured to receive a session management request related to the MBS service from a terminal device.
- the transceiver 146 is further configured to send a rejection message for the session management request to the terminal device, where the rejection message includes a back-off BO timer for the MBS service.
- the rejection message also includes the ID of the MBS service.
- the rejection message further includes a rejection reason for the MBS service; wherein the rejection reason includes at least one of the following: the MBS service is not supported, and the MBS service is not authorized.
- the embodiment of the present application also provides a computer-readable storage medium in which a computer program is stored, and the computer program is used to be executed by a processor of a terminal device to implement the above-mentioned method for establishing a connection on the terminal device side.
- An embodiment of the present application also provides a computer-readable storage medium, in which a computer program is stored, and the computer program is used to be executed by a processor of an access network device to implement the above-mentioned access network device side Connection establishment method.
- the embodiment of the present application also provides a computer-readable storage medium in which a computer program is stored, and the computer program is used to be executed by a processor of a terminal device to implement the above-mentioned session request method on the terminal device side.
- the embodiment of the present application also provides a computer-readable storage medium in which a computer program is stored, and the computer program is used to be executed by a processor of a core network device to implement the above-mentioned session response on the core network device side. method.
- An embodiment of the present application also provides a chip, which includes a programmable logic circuit and/or program instructions, and when the chip runs on a terminal device, it is used to implement the connection establishment method on the terminal device side as described above.
- the embodiment of the present application also provides a chip, the chip includes a programmable logic circuit and/or program instructions, when the chip runs on an access network device, it is used to realize the connection on the access network device side as described above Establish method.
- An embodiment of the present application provides a chip, which includes a programmable logic circuit and/or program instructions, and when the chip runs on a terminal device, it is used to implement the above-mentioned session request method on the terminal device side.
- An embodiment of the present application provides a chip, which includes a programmable logic circuit and/or program instructions, and when the chip runs on a core network device, it is used to implement the above-mentioned session response method on the core network device side.
- This application also provides a computer program product, which when the computer program product runs on the terminal device side computer, causes the computer to execute the above-mentioned terminal device side connection establishment method.
- This application also provides a computer program product, which when the computer program product runs on the computer on the side of the access network device, causes the computer to execute the connection establishment method on the side of the access network device.
- This application also provides a computer program product, which when the computer program product runs on the terminal device side computer, causes the computer to execute the above-mentioned terminal device side session request method.
- This application also provides a computer program product, which when the computer program product runs on the core network device side computer, causes the computer to execute the above-mentioned core network device side session response method.
- the functions described in the embodiments of the present application may be implemented by hardware, software, firmware, or any combination thereof. When implemented by software, these functions can be stored in a computer-readable medium or transmitted as one or more instructions or codes on the computer-readable medium.
- the computer-readable medium includes a computer storage medium and a communication medium, where the communication medium includes any medium that facilitates the transfer of a computer program from one place to another.
- the storage medium may be any available medium that can be accessed by a general-purpose or special-purpose computer.
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Abstract
La présente invention concerne un procédé et un appareil d'établissement de connexion, un dispositif et un support d'enregistrement, se rapportant au domaine technique des communications. Ledit procédé comprend les étapes suivantes : un équipement terminal détermine, à partir d'informations de configuration de courant alternatif, un courant alternatif correspondant à un service MBS ; un dispositif de réseau d'accès détermine, à partir d'informations de configuration de courant alternatif, un courant alternatif correspondant à un service MBS ; le dispositif de réseau d'accès envoie un message de diffusion système ; et l'équipement terminal détermine que le courant alternatif correspondant au service MBS satisfait une condition d'accès du dispositif de réseau d'accès, et envoie une demande d'établissement de connexion au dispositif de réseau d'accès. La solution technique fournie dans les modes de réalisation de la présente invention met en œuvre l'établissement d'une connexion RRC entre un équipement terminal et un dispositif de réseau d'accès pour un service MBS, étend les types de services qui peuvent être fournis par le dispositif de réseau d'accès et enrichit les fonctions de service qui peuvent être utilisées par l'équipement terminal.
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CN202080096705.1A CN115104326B (zh) | 2020-04-17 | 2020-04-17 | 连接建立方法、装置、设备及存储介质 |
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CN115104326A (zh) | 2022-09-23 |
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