Birch, Stewart, Kolasch & Birch, LLP
Method and apparatus for random access in a multi-carrier wireless communication system
The present invention relates to a wireless communication system, and discloses a method and an apparatus for performing random access in a multi-carrier wireless communication system. According to one embodiment of the present invention, the method in which user equipment carries out a process for random access to a base station in a multi-carrier wireless communication system comprises: a step of measuring the channel qualities of one or more uplink component carriers, and determining the uplink component carrier having the highest channel quality; a step of selecting a physical random access channel (PRACH) resource on the uplink component carrier having the highest channel quality; and a step of transmitting a random access preamble to the base station using the selected PRACH resource.
LG Electronics Inc.
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Seung June Sung Duck Young Dae Sung Hoon Sung Jun
Yi Chun Lee Jung Park