公开(公告)号：US20210120627A1

公开(公告)日：2021-04-22

申请号：US17135510

申请日：2020-12-28

Applicant: Huawei Technologies Co., Ltd.

Inventor： Serkan AYAZ ,  Ishan VAISHNAVI ,  Riccardo TRIVISONNO ,  Chenghui PENG ,  Chan ZHOU ,  Dario Serafino TONESI ,  Patrice Michel, Christophe HÉDÉ ,  Wangqian ZHANG ,  Meng LI

IPC: H04W76/40 ,  H04W56/00 ,  H04L12/851 ,  H04W4/08 ,  H04L29/08

Abstract: A control plane network entity for providing a multicast/broadcast service for one or more user equipments in a cellular communication network is provided. The control plane network entity is configured to: receive a session setup request for a multicast/broadcast session for the user equipments, wherein the session setup request comprises one or more identifiers identifying the user equipments and/or one or more spatial regions the user equipments are located in; select one or more access and mobility management function entities of the cellular communication network based on the one or more identifiers for providing the multicast/broadcast session to the user equipments; and send a user plane session setup request to the selected one or more access and mobility management function entities. Moreover, the disclosure relates to a user plane network entity and a radio access network node for anchoring and providing a multicast/broadcast service respectively.