Abstract: A default quality of service (QoS) control method and device for solving the problem in the prior art that there is no solution for generating a default QoS rule for a NextGen network. In embodiments of the present disclosure, an SMF entity determines a target PCC rule from at least one PCC rule sent by a PCF entity; the SMF entity generates, according to the target PCC rule, a default QoS rule corresponding to a PDU session, and sends the default QoS rule to a UE. According to the embodiments of the present disclosure, because the connectivity and QoS control of the PDU session are ensured, and the target PCC rule used by the SMF to generate the default QoS rule is determined by the PCF entity for a PDU session of the UE, the precise control for a specific UE and a specific PDU session is implemented, and the system performance is further improved.

Abstract: A data forwarding method includes: acquiring a mapping between EPS bearer information and PDU session information; and transmitting the snapping between the EPS bearer information and the PDU session in formation to the SME entity, so that the SMF entity configures a data forwarding tunnel in accordance with the mapping between the EPS bearer information and the PDU session information.

Abstract: Disclosed are a session management method and apparatus, wherein same are applied to a mobile network. The method comprises: determining a registration mode of a terminal sending a session establishment request or an interoperation capability supported by a network side device; and when the registration mode is a single-registration mode or when the network side device supports the interoperation capability, determining the completion of the mapping of QoS parameters between different systems when a session connection is created for the terminal. The present invention solves the technical problems in the prior art that an SMF cannot determine whether QoS mapping needs to be performed when a terminal is establishing a session connection in a mobile network and that an unnecessary signalling process will be caused for a terminal with a dual-registration mode if the SMF always performs QoS mapping.

Abstract: A dedicated bearer creation method, an MME, and a PDN gateway are provided. The dedicated bearer creation method includes: in a TAU procedure, when it is determined that a UE has moved from a 5G network to a 4G network based on identification information provided by the UE, keeping a control plane NAS connection after the TAU procedure; and when a create dedicated bearer request has been received from a PDN gateway, creating a dedicated bearer for the UE using the NAS connection. According to the present disclosure, it is able to create a radio bearer based on the practical need, and prevent the occurrence of a waste of air interface resources caused when the MME requests an eNB to create a user plane radio bearer in the TAU procedure, thereby to solve the problem in the related art where the waste of the air interface resources is caused by a dedicated bearer creation scheme.

Abstract: A method of inserting a Session Management Function SMF and an access and mobility management function AMF entity are provided. The method of inserting an SMF includes in a case that a User Equipment UE moves out of a service area of a first SMF entity currently serving a first Packet Data Unit PDU session of the UE, or in a case that selecting a SMF entity for the UE is needed, querying, by using information relevant to the UE, a second SMF entity capable of serving the UE; and updating the first PDU session by using the second SMF entity.

Abstract: The present application discloses a method and an apparatus for transmitting downlink data, to resolve the issue of erroneous transmission of downlink data of UE when the UE moves from an EPS network to a 5G network. The method comprises: after receiving a request message for updating a session management context of the UE, a session management function entity in embodiments of the present application determining that the UE has moved from a first network to a second network; the session management function entity notifying a user plane function entity to delete a user plane connection of the UE in the first network, and creating a user plane connection of the UE in the second network, such that the user plane function entity transmits downlink data of the UE through the newly created user plane connection.

Abstract: A method for determining a data forwarding tunnel, an AMF entity, and a base station (BS) are provided. The method includes: receiving data forwarding information of target UE forwarded by MME, and acquiring a QoS flow configured by a 5G core network for each bearer of the target UE, and mapping relationship between a bearer and a QoS flow, where the data forwarding information includes a list of bearers allocated by EPS to the target UE and an indication of a determination by a 4G BS as to whether each bearer of the target UE has data to forward; transmitting the data forwarding information, the configured QoS flow, and the mapping relationship to a target 5G BS; and receiving forwarding tunnel information of a 5G BS configured for the target UE by the target 5G BS according to the data forwarding information, the configured QoS flow, and the mapping relationship.

Abstract: A method for triggering network policy update, a management function entity and a core network device are provided. The method is configured to be applied to a policy management function entity, and includes: acquiring a network policy parameter, the network policy parameter being determined and acquired in accordance with application layer information of a UE; and triggering the network policy update in accordance with the network policy parameter.

Abstract: The present disclosure relates to the field of communication technology, and provides an information processing method, an information processing device, a computer-readable storage medium and an electronic device, so as to reduce signaling overhead. The information processing method includes: receiving a registration update request from a UE; determining whether the UE has entered or left an MICO mode; when the UE has left the MICO mode, sending a first message to an associated SMF, the first message being adopted to notify the associated SMF that the UE has left the MICO mode or the UE is reachable; and when the UE has entered the MICO mode, sending a second message to a target SMF, the second message being adopted to notify the target SMF that the UE has entered the MICO mode or the UE is unreachable.

Abstract: Disclosed are a method and device for processing non-matching between a UE unit and a network state applicable to an access and mobility management (AMF) function. The method comprises: upon receiving a non-access stratum message transmitted by a UE unit or an N2 interface message transmitted by a radio access network (RAN) node, determining that the UE unit is in a connected state at a network side; and if it is determined that a change occurs in a RAN node serving the UE unit, notifying said RAN node that a context of the UE unit and an existing user plane connection are to be released. The invention solves technical problems in the prior art of inefficient use of an air interface resource and packet loss, thereby reducing paging overheads and packet loss.

Abstract: A method of inserting a Session Management Function SMF and an access and mobility management function AMF entity are provided. The method of inserting an SMF includes in a case that a User Equipment UE moves out of a service area of a first SMF entity currently serving a first Packet Data Unit PDU session of the UE, or in a case that selecting a SMF entity for the UE is needed, querying, by using information relevant to the UE, a second SMF entity capable of serving the UE; and updating the first PDU session by using the second SMF entity.

Abstract: The preset disclosure provides an information processing method and device. The information processing method is applied to a user equipment (UE) operating in a single registration mode, and includes: receiving assistance information from a first network; initiating an attaching or initial registration procedure according to the assistance information received from the first network when moving between the first network and a second network, the first and second networks utilizing different access technologies.

Abstract: The present disclosure provides a routing method and a routing device. The routing method includes: receiving, by an AMF, a first message from an (R)AN, the first message including session-related information and routing information associated with the session-related information; and routing, by the AMF, the session-related information to a relevant SMF in accordance with the routing information. According to the present disclosure, it is able to correctly route the session-related information between the (R)AN and the SMF.

Abstract: A method for triggering network policy update, a management function entity and a core network device are provided. The method is configured to be applied to a policy management function entity, and includes: acquiring a network policy parameter, the network policy parameter being determined and acquired in accordance with application layer information of a UE; and triggering the network policy update in accordance with the network policy parameter.

Abstract: A method and a device of allocating an EPS bearer identifier, an SMF, and a PCF are provided. The method includes mapping a session/connection to an EPS bearer, and requesting a UE or an AMF to allocate an EPS bearer identifier to a mapped EPS bearer.

Abstract: The present disclosure provides a method for determining a paging area, an access network node and a core network node. The method for use in the access network node includes: acquiring indication information indicating the allocation of the paging area for a UE; determining the paging area for the UE in accordance with the indication information; and notifying the UE of the paging area.

Abstract: Disclosed are a network configuration method and a network device for dynamically selecting a mobility state machine and a tunnel type matching a terminal and increasing resource utilization efficiency. The method comprises: when a terminal accesses a network, determining an attribute of the terminal; determining, on the basis of the attribute of the terminal, a configuration parameter corresponding to the terminal; and directing or configuring, on the basis of the configuration parameter, the terminal and/or directing or configuring a related network function entity or node at a network side.

Abstract: Disclosed are a method and apparatus for determining and providing mobility management support and processing required by a terminal. The method comprises: determining a mobility management mapping relation and a mobility mapping relation of a terminal according to information of the terminal related to mobility management or mobility, the mobility management mapping relation being a mapping relation between conditions for the terminal and a required mobility support level or mobility management mechanism, and the mobility mapping relation being a mapping relation between the conditions for the terminal and mobility levels of the terminal; and determining, according to the mobility management mapping relation of the terminal or according to the conditions for the terminal and the mobility mapping relation of the terminal, a mobility support level or a mobility management mechanism provided for the terminal.

Abstract: A data transmission method, a data transmission apparatus, and a session management device are provided. The data transmission method includes obtaining state information of a UE to which downlink data is destined; selecting, for the UE, a first gateway function entity for transmission of the current downlink data according to the state information of the UE; determining a first data transmission path between the first gateway function entity and a second gateway function entity; and performing the transmission of the downlink data according to the first data transmission path.

Abstract: The present disclosure provides a mobile communication system, including: a local access server configured to achieve a multi-RATs coordination function, a local access function and distributed network control; a network control function including a communication control function for communication control and a policy control function for policy control; and a network controller configured to establish and configure a forwarding path.