Method And Apparatus For Identifying Downlink Message Responsive To Random Access Preambles Transmitted In Different Uplink Channels In Mobile Communication System Supporting Carrier Aggregation

摘要

An apparatus and method for determining an uplink channel to be used in a random access procedure are disclosed. A preferred method performed by the user terminal UE comprises the steps of: transmitting a preamble to a base station (BS) over at least one of a plurality of channels, receiving a response from the base station, And distinguishing the response based on an identifier peculiar to the channel resource to identify the channel.