Signal transmission scheme for efficient management of common enhanced dedicated channel

摘要

A signal transmission scheme for efficient management of a common E-DCH is provided. In the case of a common E-DCH that a UE in an idle mode or in a CELL_FACH status uses within a limited period of time, the UE may notify a Node B of release of radio resources of the common E-DCH using scheduling information including TEBS=0 within the period of time when the UE has completed data transmission. It is possible to prevent unnecessary waste of resources and unnecessary battery consumption of the UE by taking into consideration the above circumstances when triggering new scheduling information since HARQ transmission of the scheduling information has failed.