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WO2020192438A1 - Procédé, appareil et système de communication - Google Patents

Procédé, appareil et système de communication Download PDF

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Publication number
WO2020192438A1
WO2020192438A1 PCT/CN2020/078961 CN2020078961W WO2020192438A1 WO 2020192438 A1 WO2020192438 A1 WO 2020192438A1 CN 2020078961 W CN2020078961 W CN 2020078961W WO 2020192438 A1 WO2020192438 A1 WO 2020192438A1
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WIPO (PCT)
Prior art keywords
information
service
network
data service
data
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Ceased
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PCT/CN2020/078961
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English (en)
Chinese (zh)
Inventor
耿婷婷
严乐
张宏平
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of WO2020192438A1 publication Critical patent/WO2020192438A1/fr
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
    • H04W72/569—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient of the traffic information

Definitions

  • a private network can be understood as a private network, such as an internal network built by a company, school, or factory, compared to the public network.
  • UE User equipment
  • the private network is also called non-public network (NPN).
  • NPN non-public network
  • the private network type can be identified by the private network identification (NPN identification, NPN ID).
  • NPN ID private network identification
  • the UE can reside in the NPN corresponding to the supported NPN ID. Stay, and can only initiate business in the NPN corresponding to the NPN ID of the contract.
  • the private network may be a base station dedicated to the private network, a cell under the core network, or may be a slice of the public network, or may be a cell deployed by an operator.
  • the services of the private network and the public network can be interconnected, so there may be six types of services: public network services supported by the public network, private network services directly supported by the public network, private network services supported by the private network, and directly supported by the private network Public network services, private network services supported by the public network through non-3GPP interworking function (N3IWF), and public network services supported by the private network through N3IWF.
  • N3IWF non-3GPP interworking function
  • QoS flow quality of service flow
  • the first network device further sends fourth information to the second network device, where the fourth information is used by the second network device to determine whether the first network device allows the establishment of the data service .
  • the service attributes include: private network services or public network services.
  • the communication device further includes: a sending module.
  • the determining module is further configured to determine the cell information of the cell that allows the terminal device to transmit the data service according to the service attribute of the data service;
  • the sending module is configured to send second information to the second network device, where the second information is used to indicate the cell information of the cell used by the terminal device to transmit the data service; or
  • the terminal device sends third information, where the third information is used to indicate the cell information of a cell used by the terminal device to transmit the data service.
  • the obtaining module is used to obtain the business attributes of the data service of the terminal device.
  • the communication device further includes: a receiving module.
  • the receiving module is configured to receive fourth information sent by the first network device, where the fourth information is used by the second network device to determine whether the first network device allows the establishment of the data business.
  • an embodiment of the present application provides a communication device, including: a transceiver and a processor.
  • the service attributes include: private network services or public network services.
  • the transceiver is further configured to send second information to the second network device, where the second information is used to indicate the cell information of the cell used by the terminal device to transmit the data service; or, to The terminal device sends third information, and the third information is used to indicate the cell information of a cell used by the terminal device to transmit the data service.
  • the transceiver is further configured to send fourth information to the second network device, where the fourth information is used by the second network device to determine whether the first network device allows the establishment of the data business.
  • an embodiment of the present application provides a communication device, including a processor and a transceiver.
  • the transceiver is configured to send first information to the first network device, where the first information is used to indicate the service attribute of the data service of the terminal device.
  • the service attributes include: private network services or public network services.
  • the transceiver is configured to receive second information sent by the first network device, where the second information is used to indicate cell information of a cell used by the terminal device to transmit the data service.
  • the transceiver is configured to receive fourth information sent by the first network device, where the fourth information is used by the second network device to determine whether the first network device allows the establishment of the data business.
  • the private network service includes at least one of the following: a private network service transmitted through a private network, and a private network service transmitted through a public network.
  • the public network services include at least one of the following: public network services transmitted through a public network, and public network services transmitted through a private network.
  • the first information includes: the priority of the data service.
  • an embodiment of the present application provides a communication device, including:
  • a module, component or circuit for implementing the communication method of the first aspect or,
  • an embodiment of the present application provides a chip, including a memory and a processor, the memory is used to store program instructions, and the processor is used to call the program instructions in the memory to execute the first aspect or the second aspect described in the embodiments of the present application Communication method.
  • an embodiment of the present application provides a readable storage medium on which a computer program is stored; when the computer program is executed, the first aspect or the second aspect of the embodiment of the present application is implemented.
  • an embodiment of the present application provides a program product, the program product includes a computer program, the computer program is stored in a readable storage medium, and at least one processor of a communication device can read from the readable storage medium Taking the computer program, the at least one processor executes the computer program to enable the communication device to implement the communication method described in any one of the application embodiments of the first aspect or the second aspect.
  • an embodiment of the present application provides a communication system including the above-mentioned first network device and second network device.
  • Fig. 1 is a schematic diagram of a communication system provided by an embodiment of the application
  • FIG. 2 is a schematic diagram of a protocol stack of a wireless access network device provided by an embodiment of the application
  • FIG. 3 is a schematic diagram of a private network provided by an embodiment of this application.
  • FIG. 5 is a schematic diagram of a public network service supported by a private network through N3IWF according to an embodiment of the application;
  • FIG. 6 is a flowchart of a communication method provided by an embodiment of this application.
  • FIG. 8 is a flowchart of a communication method provided by another embodiment of this application.
  • FIG. 9 is a flowchart of a communication method provided by another embodiment of this application.
  • FIG. 10 is a schematic structural diagram of a communication device provided by an embodiment of this application.
  • FIG. 11 is a schematic structural diagram of a communication device provided by another embodiment of this application.
  • FIG. 12 is a schematic structural diagram of a communication device provided by another embodiment of this application.
  • FIG. 13 is a schematic structural diagram of a communication system provided by an embodiment of this application.
  • FIG. 1 is a schematic diagram of a communication system provided by an embodiment of the application.
  • the communication system includes network equipment and terminal equipment, and the network equipment may include wireless access network equipment and core network equipment.
  • the terminal device is connected to the wireless access network device in a wireless manner, and the wireless access network device is connected to the core network device in a wireless or wired manner.
  • the core network device and the wireless access network device can be separate and different physical devices, or they can integrate the functions of the core network device and the logical function of the wireless access network device on the same physical device, or it can be a physical device It integrates the functions of part of the core network equipment and part of the wireless access network equipment.
  • the terminal device can be a fixed location or movable.
  • Fig. 1 is only a schematic diagram.
  • the communication system may also include other network equipment, such as wireless relay equipment and wireless backhaul equipment, which are not shown in Fig. 1.
  • the embodiments of the present application do not limit the number of core network equipment, radio access network equipment, and terminal equipment included in the communication system. It should be noted that the two radio access network devices shown in FIG. 1 can be connected to the same core network device or can be connected to different core network devices.
  • the RAN equipment can be connected to the core network equipment (for example, it can be the LTE core network or the 5G core network, etc.).
  • CU and DU can be understood as the division of base stations from the perspective of logical functions.
  • CU and DU can be physically separated or deployed together. Multiple DUs can share one CU.
  • One DU can also be connected to multiple CUs (not shown in the figure).
  • the CU and DU can be connected through an interface, for example, an F1 interface.
  • CU and DU can be divided according to the protocol layer of the wireless network.
  • the functions of the CU can be implemented by one entity or by different entities.
  • the functions of the CU can be further divided, for example, the control plane (CP) and the user plane (UP) are separated, that is, the CU control plane (CU-CP) and the CU user plane (CU-UP).
  • the CU-CP and CU-UP may be implemented by different functional entities, and the CU-CP and CU-UP may be coupled with the DU to jointly complete the function of the base station.
  • CU-CP is responsible for the control plane function, mainly including RRC and PDCP-C.
  • PDCP-C is mainly responsible for encryption and decryption of control plane data, integrity protection, data transmission, etc.
  • Core network equipment can refer to the access and mobility management function (AMF) entity, session management function (SMF) entity, mobility management entity (mobility management entity, MME), or Other core network equipment.
  • AMF access and mobility management function
  • SMF session management function
  • MME mobility management entity
  • Terminal equipment It can be a wireless terminal or a wired terminal.
  • a wireless terminal can refer to a device with wireless transceiver function. It can be deployed on land, including indoor or outdoor, handheld or vehicle-mounted; it can also be deployed on water (such as Ships, etc.); can also be deployed in the air (such as aircraft, balloons, satellites, etc.)
  • the terminal device may be a mobile phone (mobile phone), a tablet computer (Pad), a computer with a wireless transceiver function, a virtual reality (VR) terminal, an augmented reality (AR) terminal, an industrial control (industrial control) Wireless terminals in ), wireless terminals in self-driving (self-driving), wireless terminals in remote medical, wireless terminals in smart grid, wireless terminals in transportation safety (transportation safety) , Wireless terminals in a smart city, wireless terminals in a smart home, etc., which are not limited here. It can be understood that, in the embodiment of the present application, the terminal device may also be referred to as user equipment (UE
  • At least one refers to one or more, and “multiple” refers to two or more.
  • “And/or” describes the association relationship of the associated objects, indicating that there can be three relationships, for example, A and/or B, which can mean: A alone exists, A and B exist at the same time, and B exists alone, where A, B can be singular or plural.
  • the character “/” generally indicates that the associated objects are in an "or” relationship.
  • "The following at least one item (a)” or similar expressions refers to any combination of these items, including any combination of a single item (a) or plural items (a).
  • at least one item (a) of a, b, or c can represent: a, b, c, ab, ac, bc, or abc, where a, b, and c can be single or multiple .
  • the terminal device and/or the network device can perform some or all of the steps in the embodiment of this application. These steps or operations are only examples, and the embodiments of this application can also perform other operations or various Deformation of operation. In addition, each step may be executed in a different order presented in the embodiment of the present application, and it may not be necessary to perform all the operations in the embodiment of the present application.
  • Private networks can generally identify the type of private network through private network identification (NPN identification, NPN ID).
  • NPN ID private network identification
  • Different terminal devices support different NPN IDs. The terminal devices can only reside in the NPN corresponding to the supported NPN ID, and only Initiate the business in the NPN corresponding to the NPN ID of the contract.
  • the NPN ID may also be a closed access group ID (closed access group ID, CAG ID).
  • the private network can be configured with private network-specific base stations and cells under the core network.
  • the terminal equipment supporting the private network can reside and initiate services at the base station and core network.
  • This kind of private network is generally called standalone (standalone, SA) NPN cell.
  • the private network can also be a cell deployed by the operator. Allow resident or initial access of terminal devices under the private network.
  • This kind of private network is generally called a closed access group (CAG) cell, or a non-standalone (NSA) NPN cell.
  • CAG closed access group
  • NSA non-standalone
  • the base station corresponding to the CAG cell can be called CAG gNB, CAG gNB and Public Land Mobile Network (PLMN) authentication management function (authentication management function, AMF) (It can also become CAG AMF) communication.
  • PLMN AMF also communicates with PLMN gNB, and the PLMN gNB can communicate with CAG gNB through the Xn/X2 interface.
  • CAG gNB refers to operator base stations that support private networks
  • CAG AMF refers to operator core network equipment that supports private networks.
  • the embodiment of this application does not limit whether CAG gNB and CAG AMF support public network services.
  • methods 2 and 3 are both NSA and NPN deployment methods. Since methods 2 and 3 are deployed by operators, they can support the establishment of X2/Xn connections between private network base stations and operator base stations, and/or private network core networks and public network core networks, or private network core networks It is the same core network as the public network core network.
  • Private network terminal equipment only terminal equipment contracted with the private network; for example, the smart terminal of the smart phone in the factory.
  • Public network terminal equipment only terminal equipment contracted with the public network; this type of terminal equipment is completely unsuitable for private networks.
  • the first two types are applicable to private networks
  • the third type is terminal equipment that is not applicable to private networks at all.
  • the public network can support private network services, and the private network can also support public network services.
  • Private network services belonging to the same operator as the public network that is, direct private network services
  • N3IWF Private network services supported by the public network through N3IWF
  • the terminal equipment is UE
  • the UE in the public network performs private network services through N3IWF, that is, UE and PLMN 3GPP access (access) connection
  • PLMN 3GPP access is connected to the user plane function (UPF) on the PLMN side through N3
  • the UPF is connected to the data network (DN) on the PLMN side
  • DN data network
  • the UPF is connected to the PLMN through N4
  • the SMF is connected to the PLMN side through N11
  • the AMF is connected to the UE through N1 and PLMN 3GPP access through N2.
  • the DN on the PLMN side is connected to the N3IWF on the NPN side, and the N3IWF is connected to the NPN through N2.
  • the AMF connection on the side and the UPF connection on the NPN side through N3 the UPF is connected with the DN on the NPN side and the SMF connection with the NPN through N4, and the SMF is also connected to the AMF through N11)
  • N3IWF Public network services supported by the private network through N3IWF
  • the terminal equipment is shown as the UE
  • the UE in the private network performs private network services through N3IWF, that is, UE and NPN 3GPP Access connection
  • NPN 3GPP access is connected to the UPF on the NPN side through N3
  • the UPF is connected to the DN on the NPN side
  • the UPF is connected to the SMF on the NPN side through N4
  • the SMF is connected to the AMF on the NPN side through N11
  • the AMF is connected to the UE through N1 and to the PLMN 3GPP access through N2.
  • the DN on the PLMN side is connected to the N3IWF on the PLMN side, and the N3IWF is connected to the AMF on the PLMN side through N2 and to the UPF on the PLMN side through N3.
  • the UPF is connected to the DN on the PLMN side and to the SMF of the PLMN through N4, and the SMF is also connected to the AMF through N11)
  • the second network device sends the first information to the first network device.
  • the first network device receives the first information sent by the second network device.
  • the first information is used to indicate the service attribute of the data service of the terminal device.
  • the first network device and the second network device are both wireless access network devices; alternatively, the first network device is a wireless access network device, and the second network device is a core network device.
  • the radio access network device may be a base station or CU or DU or CU-CP or CU-UP or other radio access network devices, and the core network device may be an AMF entity or an SMF entity or an MME entity or other core network devices.
  • the first network device when the first network device and the second network device are both wireless access network devices, in the CU-DU scenario, the first network device may be a DU and the second network device may be a CU; or, the first network device may be CU-UP, the second network device can be CU-CP. or,
  • the first network device is the target wireless access network device of the terminal device
  • the second network device is the source wireless access network device of the terminal device.
  • the first network device is the secondary wireless access network device of the terminal device
  • the second network device is the primary wireless access network device of the terminal device.
  • the second network device may obtain the service attribute of the data service of the terminal device, and then send the first information to the first network device.
  • the terminal device is currently in the coverage area of the first network device.
  • the first information is used to indicate the service attribute of the data service of the terminal device.
  • the data service in this embodiment includes at least one of a PDU session, a data radio bearer, and a data service corresponding to a quality of service flow.
  • the data service can be identified by the identification information of the data service.
  • the identification information of the data service may include at least one of a PDU session identification, a data radio bearer identification, and a quality of service flow identification.
  • the service attribute includes: private network service or public network service.
  • the first information may indicate that the service attribute of the aforementioned data service is a private network service or a public network service.
  • the first network device receives the first information sent by the second network device. Since the first information indicates the service attribute of the data service of the terminal device, the first network device can determine the service of the data service according to the first information. Attributes. For example, it is determined that the service attribute of the data service is a private network service, or it is determined that the service attribute of the data service is a public network service.
  • the first network device schedules the data corresponding to the data service according to whether the service attribute of the data service is a public network service or a private network service. For example, when multiple data services belong to voice services, the first network device may prioritize scheduling of data corresponding to voice services of public network services, or prioritize scheduling of data corresponding to voice services of private network services, which is not limited in this embodiment .
  • the first information is used to indicate that the service attribute of the data service identified by the identification information of the data service of the terminal device is a private network service or a public network service.
  • the data service is a data service corresponding to a PDU session
  • the data service can be identified by the PDU session identifier.
  • the data service is identified by the PDU session identifier 1.
  • the first network device can determine, according to the first information, that the service attribute of the data service corresponding to the PDU session identifier 1 is a public network service or a private network service, and then the first network The device schedules the data corresponding to the PDU session identifier 1 according to whether the data service corresponding to the PDU session identifier 1 is a public network service or a private network service. Or, if the data service is a data service corresponding to the DRB, the data service can be identified by the DRB identifier.
  • the data service is identified by DRB identifier 1, and the first network device can determine, according to the first information, that the service attribute of the data service corresponding to DRB identifier 1 is a public network service or a private network service, and then the first network device according to the DRB identifier 1. Whether the corresponding data service is a public network service or a private network service, the data corresponding to the DRB is scheduled. Or, if the data service is a data service corresponding to the quality of service flow, the data service may be identified by the quality of service flow identifier.
  • the data service is identified by the quality of service flow identifier 1, and the first network device can determine, according to the first information, that the service attribute of the data service corresponding to the quality of service flow identifier 1 is a public network service or a private network service, and then the first network device According to whether the data service corresponding to the service quality flow identifier 1 is a public network service or a private network service, the data corresponding to the service quality flow is scheduled.
  • the service attribute of the data service of the terminal device is obtained through the second network device, and first information is sent to the first network device.
  • the first information is used to indicate the service attribute of the data service of the terminal device.
  • the service attribute includes: a private network service or a public network service. Then, after the first network device receives the first information, it determines whether the service attribute of the data service is a private network service or a public network service according to the first information. After the first network device determines the above-mentioned service attributes of the data service, it can schedule the data corresponding to the data service accordingly, which improves the scheduling flexibility of the data service.
  • the private network service includes at least one of the following: a private network service transmitted through a private network, and a private network service transmitted through a public network. Therefore, when the first information indicates that the service attribute of the data service is a private network service, the first information may indicate that the service attribute of the data service is a private network service transmitted by a private network or a private network service transmitted by a public network.
  • the private network services transmitted through the public network may include: private network services directly supported by the public network, and private network services indirectly supported by the public network.
  • Public network services include at least one of the following: public network services transmitted through the public network, and public network services transmitted through the private network. Therefore, when the foregoing first information indicates that the service attribute of the data service is a public network service, the first information may indicate that the service attribute of the data service is a public network service transmitted by the public network or a public network service transmitted by a private network.
  • the public network services transmitted through the private network may include: public network services directly supported by the private network, and public network services indirectly supported by the private network.
  • the first information may include: identification information of a public network, or identification information of a private network.
  • the first network device can determine that the service attribute of the data service is a public network service according to the first information, and can also determine which public network it belongs to.
  • the first information includes the identification information of the private network, correspondingly, the first network device can determine that the service attribute of the data service is a private network service according to the first information, and can also determine which private network it belongs to.
  • the above-mentioned first information includes identification information of a public network, or identification information of a private network, which may be in an explicit manner or an implicit manner.
  • the first information when the first information does not exist, it can default to a public network service; the identification information of the public network of the public network service is the same as the identification information of the public network currently connected to the terminal device;
  • this implementation is applicable to a scenario where the terminal device currently accesses the network as a public network.
  • the first information when the first information does not exist, it can be a private network service by default; the identification information of the private network of the private network service is the same as the identification information of the private network currently accessed by the terminal device.
  • this implementation is applicable to a scenario where the terminal device currently accesses the network as a private network.
  • the first information includes the priority of the data service, such as the priority of the PDU session and/or the priority of the data radio bearer.
  • the second network device may obtain the priority of the data service, and then the second network device sends the first information to the first network device, and the first information includes the priority of the data service.
  • the first network device receives the first information, and determines the priority of the data service according to the first information.
  • the first network device may also schedule the data corresponding to the data service according to the priority of the data service, which improves the flexibility of scheduling the data service.
  • the first network device may schedule the data corresponding to the PDU session according to the priority of the PDU session, and/or schedule the data corresponding to the DRB according to the priority of the DRB; or, the first network device may schedule the data corresponding to the PDU session according to the priority of the PDU session.
  • the priority and/or the priority of the DRB and the priority of the quality of service flow are used to schedule the data corresponding to the quality of service flow.
  • each implementation manner of the foregoing first information may be independent of implementation, or the foregoing implementation manner of the first information may also be implemented in any combination.
  • S604-S606 are further included, or S604 and S605' are further included.
  • the first network device determines the cell information of the cell that allows the terminal device to transmit the data service according to the service attribute of the data service.
  • the cell information may include at least one of a cell global identifier (CGI), a physical cell identifier (PCI), and a cell identifier (cell identifier) of the cell.
  • CGI cell global identifier
  • PCI physical cell identifier
  • cell identifier cell identifier
  • the first network device sends second information to the second network device, where the second information is used to indicate cell information of a cell used by the terminal device to transmit the data service.
  • the second network device sends data service configuration information to the terminal device.
  • the second network device may determine the data service configuration information according to the second information, and send the data service configuration information to the terminal device.
  • the data service configuration information is used to indicate the cell information of the cell where the terminal device transmits the data service.
  • the data service configuration information may include identification information of the data service and cell information of the cell used to transmit the data service.
  • the first network device sends third information to the terminal device, where the third information is used to indicate the cell information of the cell used by the terminal device to transmit the data service.
  • the third information may include identification information of the data service and cell information of the cell used to transmit the data service.
  • the first network device sends second information to the second network device, where the second information is used to indicate the cell information of the cell used by the terminal device to transmit the data service; optionally, the second information may include identification information of the data service And the cell information of the cell used to transmit the data service.
  • the second network device forwards the second information to the terminal device or sends data service configuration information.
  • the data service configuration information may include the identification information of the data service and is used to instruct the terminal device to transmit the information. Cell information of the cell of the data service. or,
  • the first network device sends third information to the terminal device, where the third information is used to indicate the cell information of the cell used by the terminal device to transmit the data service.
  • the third information may include identification information of the data service and cell information of the cell used to transmit the data service.
  • the terminal device After the terminal device receives the third information from the first network device or the second information or data service configuration information from the second network device, the terminal device can transmit the above information to the first network device in the corresponding cell according to the cell information of the above cell. Data business.
  • the transmission of the data service on the cell that supports the data service can be ensured, and it is avoided that the data service is not supported.
  • the first network device further determines whether the first network device allows the establishment of the data service according to the service attribute of the data service. If the first network device allows the establishment of the data service, the first network device may determine the cell information of at least one cell that allows the terminal device to transmit the data service according to the service attribute of the data service.
  • Optional also includes:
  • the first network device sends fourth information to the second network device, where the fourth information is used by the second network device to determine whether the first network device allows the establishment of the data service.
  • execution order of S607 and the foregoing S604-S606 is not limited, or the execution order of S607, S604, and S605' is not limited.
  • the first network device determines whether the first network device is allowed to establish the data service according to the service attribute of the data service, and then the first network device sends the fourth information to the second network device, and accordingly, the second network device The network device receives the fourth information, and the second network device determines whether the first network device allows the establishment of the data service according to the fourth information.
  • a private network cell for example, a CAG cell
  • a public network cell for example, a private network cell
  • the description is made by taking the first information indicating the identification information of the public network or the identification information of the private network of the data service corresponding to the DRB as an example. It is understandable that the first information is an example that includes identification information of a public network or identification information of a private network.
  • the first information of this embodiment may also include other implementation manners of the foregoing embodiments of the application. The information is not limited. As shown in Figure 7, this embodiment may include:
  • the CU sends first information to the DU, where the first information includes the identification information of the public network or the identification information of the private network of the data service corresponding to the DRB.
  • the identification information of the private network of the data service corresponding to DRB2 is CAG1
  • the identification information of the private network of the data service corresponding to DRB3 is CAG2.
  • the first information includes that the identification information of the private network of the data service corresponding to DRB2 is CAG1, and the identification information of the private network of the data service corresponding to DRB3 is CAG2.
  • the DU can determine that the service attribute of the data service corresponding to DRB2 is a private network service and the identification information of the private network is CAG1 according to the first information. It can also determine that the service attribute of the data service corresponding to DRB3 is private. Internet service and the identification information of the private network is CAG2.
  • cell 1 is a public network cell
  • cell 2 is a private network cell with the identification information of CAG1 or CAG2
  • cell 3 is a private network identification
  • the information is the private network cell of CAG1 or CAG2
  • the cell 4 is the private network cell of which the identification information of the private network is CAG1 or CAG3.
  • the DU includes CAG1, and the private network cells corresponding to CAG1 are cells 2, 3, and 4. It can be determined from cells 2, 3, and 4 that the cell used by the terminal device to transmit DRB2 is cell 2. And cell 4.
  • the CU After receiving the second information sent by the DU, the CU sends data service configuration information to the terminal device.
  • the data service configuration information indicates that the cell used by the terminal device to transmit DRB2 is cell 2, 4, and the cell used to transmit DRB2 For cell 3.
  • the foregoing first information may be included in the UE context setup request message (UE CONTEXT SETUP REQUEST) sent by the CU to the DU
  • the second information sent by the DU to the CU may include the UE context setup response sent by the DU to the CU Message (UE CONTEXT SETUP RESPONSE).
  • the foregoing first information may be included in the UE context modification request message (UE CONTEXT MODIFICATION REQUEST) sent by the CU to the DU, and the second information sent by the DU to the CU may include the UE context modification response message (UE CONTEXT) sent by the DU to the CU.
  • UE CONTEXT UE context modification response message
  • MODIFICATION RESPONSE UE context modification response message
  • the above-mentioned first information may be transmitted through X2/Xn port signaling, for example, may be transmitted in the process of adding/modifying/release of a secondary base station, base station switching, etc.
  • this embodiment may include:
  • the first base station sends first information to the second base station, where the first information indicates the service attribute of at least one of the PDU session, the DRB, and the data service corresponding to the quality of service flow of the terminal device.
  • the first base station may be a primary base station and the second base station may be a secondary base station; or, the first base station may be a source base station and the second base station may be a target base station.
  • the first information may indicate that the service attribute of the data service is a public network service or a private network service, may also include the identification information of the public network or the private network of the above-mentioned data service, and may also include the priority of the above-mentioned data service.
  • the service attribute of the data service is a public network service or a private network service
  • the second base station may determine the service attribute of at least one of the data services corresponding to the PDU session, the DRB, and the quality of service flow.
  • the second base station can determine the service attributes of at least one of the data services corresponding to the PDU session, DRB, and quality of service flow of the terminal device according to the first information, or according to the public/network identification information , Determine which public network service or which private network service the aforementioned data service is.
  • the second base station also determines whether to allow the establishment of the data service according to the first information, for example, whether to allow the establishment of at least one of a PDU session, a DRB, and a quality of service flow corresponding to the data service.
  • the second base station may use at least one of the data services corresponding to the PDU session, DRB, and quality of service flow. Attribute, and/or priority of the above-mentioned data service, scheduling data corresponding to at least one of PDU session, DRB, and quality of service flow.
  • the second base station sends fourth information to the first base station.
  • the second base station After the second base station determines whether to allow the establishment of at least one of PDU session, DRB, and quality of service flow corresponding to the data service of the terminal device, the second base station sends fourth information to the first base station, and the fourth information is used for the first base station It is determined whether the second base station allows the establishment of at least one of a PDU session, a DRB, and a quality of service flow corresponding to the data service of the terminal device.
  • the first information may be included in a secondary base station addition request message (S-NODE ADDITION REQUEST) sent by the primary base station to the secondary base station
  • the fourth information may be included in the secondary base station addition request confirmation message sent by the secondary base station to the primary base station (S-NODE AddITION REQUEST ACKNOWLEDGE).
  • the first information may be included in the handover request message (HANDOVER REQUEST) sent by the source base station to the target base station, and the fourth information may be included in the handover request confirmation message (HANDOVER REQUEST ACKNOWLEDGE) sent by the target base station to the source base station.
  • HANDOVER REQUEST handover request message
  • HANDOVER REQUEST ACKNOWLEDGE handover request confirmation message
  • this embodiment may include:
  • the core network device sends first information to the wireless access network device.
  • the core network equipment may be an AMF entity or an MME entity or an SMF entity. If the core network device is an SMF entity, the SMF entity sends first indication information to the AMF entity.
  • the first indication information may indicate at least one of the PDU session, DRB, and data service corresponding to the quality of service flow of the terminal device. Attributes.
  • the AMF entity sends the first information to the radio access network device, where the first information may indicate the service attribute of at least one of the data service corresponding to the PDU session, the DRB, and the quality of service flow of the terminal device.
  • the first information may be the same as the first indication information (for example, the AMF entity forwards the first indication information received from the SMF entity to the radio access network device), or may be determined according to the first indication information.
  • the first information is used to indicate that the service attribute of the data service is a public network service or a private network service.
  • the first information may also include: at least one of the identification information of the public network of the data service or the identification information of the private network, and the priority of the data service.
  • the radio access network device sends fourth information to the core network device.
  • the radio access network device After the radio access network device receives the first information sent by the core network device, it can determine the service attributes of at least one of the data services corresponding to the PDU session, DRB, and quality of service flow, or it can be based on public network identification information or private The identification information of the network determines which public network service or private network service the aforementioned data service is. In addition, the wireless access network device also determines whether to allow the establishment of the aforementioned data service according to the first information. If the radio access network device establishes the above-mentioned data service, the radio access network device can schedule scheduling according to the service attributes of at least one data service in the PDU session, DRB, and quality of service flow, and/or the priority of the aforementioned data service Data corresponding to the above data service.
  • the first information may be included in the initial context setup request message (INITIAL CONTEXT SETUP REQUEST) sent by the core network device to the radio access network device, and the fourth information may be included in the message sent by the radio access network device to the core network device.
  • the initial context establishment response message (INITIAL CONTEXT SETUP RESPONSE). or,
  • the first information may be included in the PDU session resource modification request message (PDU SESSION RESOURCE MODIFY REQUEST) sent by the core network device to the radio access network device, and the fourth information may be included in the PDU sent by the radio access network device to the core network device.
  • Session resource modification response message PDU SESSION RESOURCE MODIFY RESPONSE.
  • the receiving module 1103 is configured to receive second information sent by the first network device, where the second information is used to indicate cell information of a cell used by the terminal device to transmit the data service.
  • the processor 1201 may obtain the service attribute of the data service of the terminal device;
  • the network device sends first information, where the first information is used to indicate the service attribute of the data service of the terminal device; optionally, the service attribute includes: a private network service or a public network service.
  • the processor 1201 and the transceiver 1205 described in this application can be implemented in integrated circuits (IC), analog ICs, radio frequency integrated circuits (RFICs), mixed-signal ICs, and application specific integrated circuits (application specific integrated circuits). circuit, ASIC), printed circuit board (PCB), electronic equipment, etc.
  • the processor and transceiver can also be manufactured using various 1C process technologies, such as complementary metal oxide semiconductor (CMOS), nMetal-oxide-semiconductor (NMOS), P-type Metal oxide semiconductor (positive channel metal oxide semiconductor, PMOS), bipolar junction transistor (Bipolar Junction Transistor, BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.
  • CMOS complementary metal oxide semiconductor
  • NMOS nMetal-oxide-semiconductor
  • PMOS P-type Metal oxide semiconductor
  • BJT bipolar junction transistor
  • BiCMOS bipolar CMOS
  • the communication system 1300 may further include at least one terminal device (not shown in the figure), and the terminal device communicates with the communication apparatus 1301.
  • the terminal device may also communicate with the communication device 1302.
  • modules in the embodiments of the present application is illustrative, and is only a logical function division, and there may be other division methods in actual implementation.
  • the functional modules in the embodiments of the present application may be integrated into one processing module, or each module may exist alone physically, or two or more modules may be integrated into one module.
  • the above-mentioned integrated modules can be implemented in the form of hardware or software functional modules.
  • the computer program product includes one or more computer instructions.
  • the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices.
  • the computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, the computer instructions may be transmitted from a website, computer, server, or data center.

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

Abstract

La présente invention concerne, selon des modes de réalisation, un procédé, un appareil et un système de communication. Un second dispositif de réseau acquiert un attribut de service d'un service de données d'un dispositif de terminal et envoie de premières informations à un premier dispositif de réseau, les premières informations étant destinées à indiquer l'attribut de service du service de données du dispositif de terminal, l'attribut de service consistant : en un service de réseau privé ou en un service de réseau public ; et, après réception des premières informations, le premier dispositif de réseau détermine sur la base des premières informations que l'attribut de service du service de données est un service de réseau privé ou un service de réseau public. Après détermination de l'attribut de service du service de données, le premier dispositif de réseau peut programmer les données correspondant au service de données sur cette base, augmentant la flexibilité de programmation de service de données.
PCT/CN2020/078961 2019-03-28 2020-03-12 Procédé, appareil et système de communication Ceased WO2020192438A1 (fr)

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