METHOD FOR INTER-RADIO ACCESS TECHNOLOGY HANDOVER

    公开(公告)号:EP4224932A3

    公开(公告)日:2023-10-11

    申请号:EP23165915.2

    申请日:2019-02-15

    IPC分类号: H04W36/00 H04W36/14

    摘要: A method for inter-Radio Access Technology (RAT) handover comprises preparing, at a target node, a reconfiguration message based on that the target node is inter-RAT and intrasystem to a source node, and sending, to the source node, the reconfiguration message for forwarding the reconfiguration message to a user equipment (UE). The reconfiguration message comprises configuration for reconfiguring lower layer at the UE and further keeps the UE from reconfiguring upper-layer configuration. The target node disclosed in the method prepares a reconfiguration message specific to different types of RAT combination and system between the source node and the target node to provide loss-less and in-order data delivery during and after the handover.