Patent ID: 8804756
Filing Date: 2014-08-12
Classification: H04L,H04W

Abstract:
1. A method for improving interaction between a Scheduling Request procedure and a Random Access procedure in a user equipment (UE) of a wireless communication system, the method comprising: triggering, a Scheduling Request procedure; sending a Dedicated Scheduling Request (D-SR) message on a Physical Uplink Control Channel (PUCCH) repeatedly until an uplink transmission resource for a new transmission is received or the number of D-SR transmissions reaches to a specific value when the UE has a configured PUCCH resource; and deactivating all pre-configured Semi-Persistent Scheduling (SPS) transmission resources of a SPS operation allocated to the UE before performing a Random Access procedure corresponding to the Scheduling Request procedure when the number of D-SR transmissions reaches the specific value to prevent the UE from misusing the pre-configured SPS transmission resources in a Random Access procedure performed in parallel with the SPS operation so that Random Access procedure failures and uplink transmission errors can be avoided.