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Method of preventing random access response collision

  • US 9,131,516 B2
  • Filed: 03/13/2013
  • Issued: 09/08/2015
  • Est. Priority Date: 03/30/2012
  • Status: Active Grant
First Claim
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1. A method of preventing random access response collision for a network in a wireless communication system, the method comprising:

  • assigning a first preamble for a non contention random access procedure on a secondary cell configured to a first mobile device of the wireless communication system, to the first mobile device;

    configuring a first preamble transmission time for indicating at least a subframe for the first mobile device to transmit the first preamble on the secondary cell to the network, to the first mobile device; and

    configuring the same set of preambles for a contention random access procedure to cells including a primary cell configured to the first mobile device and the secondary cell, whereby a preamble belonged to a set of preambles for the contention random access procedure does not belong to a set of preambles for a non contention random access procedure for each of the cells.

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