Huawei Technologies Co., Limited

Zte Corporation

Hui Ding

Fei Li

Shufeng Shi

Xiaoyan Wang

Changqi Lu

Yizhuang Wu

Zhuoming Li

Yueshan Guo

Tingting Xie

A slice control method and apparatus are provided. The method includes: a policy control network element receives, from a slice access control network element, slice access status information of a network slice, the slice access status information comprises information indicating a network slice traffic bandwidth of the network slice; determines, based on the current slice access status information of the network slice, that the network slice traffic bandwidth exceeds a corresponding maximum value allowed by configuration; generates, in response to the determination, first session policy control information for a first session in the network slice; and sends the first session policy control information to a session management network element corresponding to the first session, the first session policy control information being for policy control on the first session.

Slice control method and apparatus

This application provides a service configuration method, a communication apparatus, and a communication system. An AF configures a service request to an AMF by using an NEF, so that the AMF may request URSP configuration from a PCF when target UE is located in a target area. In this way, the PCF can effectively configure a URSP in a scenario in which an application service is dynamically deployed.

Service configuration method, communication apparatus, and communication system

In a communication method, a policy control network element receives first information from a terminal device, where the first information is a banned application identifier, a banned PSI, a URSP identifier, or an allowed application identifier. The policy control network element obtains a first URSP of the terminal device from a data storage network element. The policy control network element determines a second URSP of the terminal device based on the first information and the first URSP. Based on this solution, when deciding a URSP of the terminal device, the policy control network element considers the first information reported by the terminal device, so that a proper URSP can be determined for the terminal device. In addition, this helps avoid signaling overheads caused because the terminal device and a policy control network element side continuously update and maintain a URSP that the terminal device does not need to use.

Communication method, apparatus, and system

A method, an apparatus, and a system for managing a background data transfer policy, such that a policy control function network element can obtain a background data transfer policy corresponding to a terminal. The method includes: A first policy control function network element receives a first message. The first message carries a first identifier, and the first identifier may be a background data transfer reference identifier or an application function identifier. Then, the first policy control function network element sends a second message to a first data storage network element, facilitating obtaining of a background data transfer policy. The second message carries the first identifier. Finally, the first policy control function network element receives a third message from the first data storage network element. The third message includes a first background data transfer policy corresponding to the first identifier.

Method, apparatus, and system for managing background data transfer policy

A method for determining a network quality of service (QoS) flow, a network element, and a system include receiving, by a session management function network element, a policy and charging control (PCC) rule from a policy control function network element, where the PCC rule includes QoS parameters, the QoS parameters include standardized QoS parameter indication information and a non-standardized QoS parameter, and the non-standardized QoS parameter includes at least one attribute comprised in a standardized QoS parameter corresponding to the standardized QoS parameter indication information and a corresponding value of the at least one attribute, and determining, by the session management function network element based on the standardized QoS parameter indication information and the non-standardized QoS parameter, a QoS flow corresponding to the PCC rule.

Method for determining network quality of service flow, network element, and system

A communication method is provided, a first policy control network element sends a subscription message to a usage monitoring network element, where the subscription message includes identification information of a first slice and identification information of a terminal device, and the subscription message is for subscribing to usage status information of the terminal device in the first slice. The first policy control network element receives, from the usage monitoring network element, first indication information indicating that usage of the terminal device in the first slice is exhausted. The first policy control network element sends, to a mobility management network element, availability status information of the first slice indicating that the first slice is unavailable; or the first policy control network element sends a user route selection policy to the terminal device, where the user route selection policy does not include the identification information of the first slice.

A session management function entity selection method includes receiving a reselection indication and information about a first session of user equipment UE from a first session management function entity, where the reselection indication is used to instruct to reselect a session management function entity; saving a correspondence between the first session management function entity and the information about the first session according to the reselection indication; receiving a session establishment request message, where the session establishment request message carries the information about the first session; determining a second session management function entity different from the first session management function entity; and sending a session management request to the second session management function entity.

Session management function entity selection method, apparatus, and system

In a location change reporting method, a session management function entity receives from a mobility management entity information including location change information of user equipment (UE) in a first presence reporting area (PRA), an identity of the first PRA, and an identity of a PRA set that includes the first PRA. The session management function entity identifies, based on the identity of the PRA set and locally stored PRA subscription information, a subscription entity that subscribes to location change events of the UE in the PRA set, and sends the identity of the first PRA and the location change information of the UE in the first PRA to the subscription entity.

Location change reporting method, device, and system

A policy control method performed by an enforcement function network element, where the enforcement function network element receives an update request to modify or remove a target packet flow description (PFD) associated with a target application identifier. For a session for which a first policy rule including the target application identifier is installed or activated, the enforcement function network element determines that data about an application corresponding to the target application identifier has been detected using the target PFD. The enforcement function network element further determines that start indication information of the application has been reported to a control function network element, and sends stop indication information of the application to the control function network element, which adjusts the first policy rule.

Policy control method, network element, and system

In a location change reporting method, a session management function entity receives from a mobility management entity information including location change information of UE in a first presence reporting area (PRA), an identity of the first PRA, and an identity of a PRA set that includes the first PRA. The session management function entity identifies, based on the identity of the PRA set and locally stored PRA subscription information, a subscription entity that subscribes to location change events of the UE in the PRA set, and sends the identity of the first PRA and the location change information of the UE in the first PRA to the subscription entity.

This application discloses a session management function entity selection method, apparatus, and system. The method includes: receiving a reselection indication and information about a first session of user equipment UE from a first session management function entity, where the reselection indication is used to instruct to reselect a session management function entity; saving a correspondence between the first session management function entity and the information about the first session according to the reselection indication; receiving a session establishment request message, where the session establishment request message carries the information about the first session; determining a second session management function entity different from the first session management function entity; and sending a session management request to the second session management function entity. In the foregoing solution, a prior-art problem of selecting an improper session management function entity is resolved.

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Shenzhen, China

Hui Ding