Method for dropping packet data, radio communication device, and mobile communication system

摘要

A control method in a mobile communication system, that includes configuring a discard timer corresponding to a service data unit (SDU) for discarding the SDU according to a value of the timer; maintaining the value of the discard timer corresponding to the SDU when a handover is performed without restarting or resetting the value of the discard timer; and discarding the corresponding SDU when the maintained value of the discard timer reaches a given value.

主权项

1. A control method in a mobile communication system, comprising:
storing service data units (SDUs); discarding the SDUs according to a value of a discard timer corresponding to the SDUs; transferring the SDUs from a source base station to a target base station and transferring the value of the discard timer corresponding to the SDUs to be transferred when a handover is performed; wherein the target base station sets a new value of the discard timer for the transferred SDUs with the transferred value of the discard timer or the transferred value of the discard timer corrected with a transfer delay time, and when the new value of the discard timer reaches a given value, discards the corresponding SDUs.