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    MIXED MODE MULTICAST ARCHITECTURE
    1.
    发明公开
    MIXED MODE MULTICAST ARCHITECTURE 审中-公开

    公开(公告)号：EP4418615A3

    公开(公告)日：2024-11-13

    申请号：EP24186110.3

    申请日：2019-05-24

    申请人： QUALCOMM Incorporated

    发明人： SPEICHER, Sebastian ,  ZISIMOPOULOS, Haris ,  GRIOT, Miguel ,  CHENG, Hong ,  ZHANG, Juan ,  FACCIN, Stefano

    IPC分类号： H04L12/18 ,  H04W72/04

    摘要： Methods, systems, and devices for wireless communications are described. A multicast architecture may support flexible change between unicast and multicast operations and may support additional traffic types (e.g., Internet Protocol and Ethernet traffic). For example, the multicast architecture may include transmitting data over a shared multicast radio bearer (MRB) and/or specific data radio bearers (DRBs), a multicast user plane function (UPF) for supplying the multicast data to a base station, multicast data from different radio access networks (RANs), protecting the multicast data through creating a group key, ciphering the multicast data sent on the MRB using the group key, and transitioning the multicast data from a source RAN to a target RAN.

    MOBILITY BETWEEN AREAS WITH HETEROGENEOUS NETWORK SLICES
    4.
    发明公开
    MOBILITY BETWEEN AREAS WITH HETEROGENEOUS NETWORK SLICES 审中-公开

    公开(公告)号：EP4236596A2

    公开(公告)日：2023-08-30

    申请号：EP23180474.1

    申请日：2018-03-22

    申请人： QUALCOMM Incorporated

    发明人： FACCIN, Stefano ,  ZISIMOPOULOS, Haris ,  GRIOT, Miguel

    IPC分类号： H04W76/27

    摘要： Certain aspects of the present disclosure relate to methods and apparatus for handling mobility between areas with heterogeneous network slices in wireless communications systems operating according to new radio (NR) technologies. An exemplary method that may be performed by a UE includes receiving an indication that a network slice is not available, entering a connection management idle (CM-IDLE) state, and initiating a registration procedure with an access and mobility management function (AMF) subsequent to entering the CM-IDLE state.