Patent ID: 8385270

Claim:
A method of operating a user equipment (UE) configurable for use in a Universal Mobile Telecommunications System (UMTS), the UE comprising a physical layer, a user layer, a radio resource control (RRC) layer, and a radio link control (RLC) layer compliant for use in a UMTS, comprising: submitting, from the RRC layer, an SDU to the RLC layer for transmission; measuring elapsed time since the SDU was submitted in the RRC layer; detecting that the elapsed time has reaching a predetermined timeout value; causing the RRC layer to resubmit the previously submitted SDU to the RLC layer; measuring the elapsed time since the resubmitted SDU was resubmitted to the RLC layer; repeating the resubmission and associated elapsed time at most N times; and causing the RRC layer to submit a failure response message for the ongoing procedure to the RLC layer for transmission, if there have been N resubmissions.