Patent ID: 11930423
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 15:
16. A system, comprising:
an application server;
a control plane function entity; and
a target user plane function entity; wherein:
the application server is configured to send a request message to the control plane function entity, wherein the request message requests to establish a session for a first service, the request message comprises service information of the first service, and the service information of the first service comprises broadcast area information of the first service or service type information of the first service, and the broadcast area information comprises a cell identity (cell ID), a service area identifier (SAD, or geographical location information;
the control plane function entity is configured to:
obtain a correspondence between address information of one or more user plane function entities and user plane capabilities supported by the one or more user plane function entities;
receive the request message from the application server; and
determine address information of the target user plane function entity based on the correspondence and the service information of the first service; and
establish a session connection to the target user plane function entity based on the address information of the target user plane function entity; and

wherein the control plane function entity comprises a broadcast multicast service center control plane function entity or a multimedia broadcast multicast system gateway control plane function entity.