5G MULTICAST BROADCAST SERVICE HANDOVER
    10.
    发明公开

    公开(公告)号:EP4422221A2

    公开(公告)日:2024-08-28

    申请号:EP24178416.4

    申请日:2021-05-20

    IPC分类号: H04W4/06

    CPC分类号: H04W36/0007 H04W4/06

    摘要: Systems and methods for session continuity of Multicast Broadcast (MB) Sessions are provided. In some embodiments, a method performed by a base station for session continuity of MB Sessions includes at least one of: providing at least one MB Session to a wireless device connected in 5G; determining that the wireless device is handed over to a target Next Generation Radio Access Network (NG-RAN); and providing session continuity of the at least one MB Session to the wireless device. In some embodiments, being handed over to the target NG-RAN comprises an Xn handover. In some embodiments, being handed over to the target NG-RAN comprises a N2 handover. Some embodiments of the current disclosure provide support for Multicast Broadcast Session continuity (aka "Handover") at Inter-gNB Xn Handover and Inter-gNB N2 Handover in the 5G NR radio access.