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METHOD AND APPARATUS FOR PERFORMING RANDOM ACCESS IN A MULTI-CARRIER SYSTEM

  • US 20110235609A1
  • Filed: 12/03/2009
  • Published: 09/29/2011
  • Est. Priority Date: 12/04/2008
  • Status: Active Grant
First Claim
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1. A method of a user equipment performing random access in a multi-carrier system, the method comprising:

  • receiving mapping information through downlink component carriers;

    sending a random access preamble through uplink component carriers; and

    receiving a random access response through a specific downlink component carrier determined based on the mapping information.

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