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USER EQUIPMENT (UE) AND BASE STATION (BS) INVOLVED IN TRANSMISSION OF SMALL DATA IN INACTIVE STATE FROM USER EQUIPMENT (UE) TO BASE STATION (BS)
USER EQUIPMENT (UE) AND BASE STATION (BS) INVOLVED IN TRANSMISSION OF SMALL DATA IN INACTIVE STATE FROM USER EQUIPMENT (UE) TO BASE STATION (BS)
The present disclosure relates to a user equipment (UE), comprising a processor, which determines that a transmission of small data is to be performed. The UE is in an inactive state with at least one data connection to a radio base station. The UE is assigned at least with a cell-specific UE identification and a non-cell-specific UE identification. The processor determines which UE identification to use for the small data transmission, based on whether the UE, after having transitioned to the inactive state, has moved to the current radio cell from another radio cell. In case the UE has moved to the current radio cell from another radio cell, the non-cell-specific UE identification is used. In the other case, the cell-specific UE identification is used. A transmitter transmits a control message including the determined UE identification and transmits the small data using one of the at least one data connection.
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