Method of performing uplink synchronization in random access procedure

Method of performing uplink synchronization in random access procedure

  • CN 101,946,425 A
  • Filed: 02/23/2009
  • Published: 01/12/2011
  • Est. Priority Date: 03/14/2008
  • Status: Active Application
First Claim
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1. one kind by carrying out method based on the access process at random of competition with the mobile communication terminal of base station communication, comprising:

  • Random access guiding message is emitted to described base station;

    From described base station receiving random access response, described accidental access response comprises the timing advance order;

    Determine the state of mobile communication terminal time alignment timer;

    AndIf be confirmed as moving at the timer of mobile communication terminal time alignment described in the described determining step, then ignore described timing advance order.

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