Patent ID: 8737336
Filing Date: 2014-05-27
Classification: H04L,H04W

Abstract:
1. A random access procedure for use in a mobile communication system comprising: transmitting, by a base station, a random access response in response to receiving a random access preamble from a mobile terminal, wherein the random access response message comprises a grant in a resource grant field for a scheduled transmission by the mobile terminal and a transmission mode indicator indicating the uplink transmission mode for the scheduled transmission, wherein the transmission mode indicator is included in a separate field of the random access response message, and wherein the resource grant field comprises a flag which is used for signalling (i) said transmission mode indicator, if the random access procedure is a contention based random access procedure, and (ii) a CQI request bit for requesting a CQI report from the mobile terminal, if the random access procedure is a non-contention based random access procedure.