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Random access in a mobile telecommunications system

DC
  • US 6,985,474 B2
  • Filed: 06/09/2003
  • Issued: 01/10/2006
  • Est. Priority Date: 10/05/1998
  • Status: Expired due to Term
First Claim
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1. A method for improving the performance of a random access mobile communications system, comprising the steps of:

  • a mobile station transmitting a random access request, said random access request comprising a preamble, said preamble being dependent on a signature pattern randomly selected from a set of patterns; and

    a base station detecting a presence of said random access request, generating an indicator signal indicating said presence of said random access request, and transmitting said indicator signal to the mobile station prior to decoding of the random access request, wherein said indicator signal is associated with the selected signature.

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