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Method and apparatus for controlling random access in wireless communication system supporting carrier aggregation

  • US 8,824,310 B2
  • Filed: 04/05/2012
  • Issued: 09/02/2014
  • Est. Priority Date: 04/05/2011
  • Status: Active Grant
First Claim
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1. A method for controlling a random access procedure by a terminal in a wireless communication system, the method comprising:

  • transmitting a random access preamble to a base station;

    determining whether the random access preamble is transmitted on a primary cell or a secondary cell if a random access problem is detected;

    indicating the random access problem to upper layers if the random access preamble is transmitted on the primary cell; and

    stopping the random access procedure if the random access preamble is transmitted on the secondary cell.

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