Patent ID: 8199730
Filing Date: 2012-06-12
Classification: H04L,H04W

Abstract:
1. A method for handling an uplink grant received on a physical downlink control channel (PDCCH) in a user equipment (UE) of a wireless communication system, the method comprising: setting a Temporary Cell Radio Network Temporary Identifier (Temporary C-RNTI) of the UE to a value assigned in a Random Access Response message; monitoring a Contention Resolution message; receiving an uplink grant on PDCCH addressed to the Temporary C-RNTI; and not using the uplink grant to transmit data when the uplink grant corresponds to a Hybrid Automatic Repeat Request (HARQ) Process different from an HARQ Process used for transmission of a Medium Access Control (MAC) Protocol Data Unit (PDU) in a Message 3 buffer.