Data transmission method and user equipment for the same

  • US 9,532,336 B2
  • Filed: 03/13/2013
  • Issued: 12/27/2016
  • Est. Priority Date: 08/11/2008
  • Status: Active Grant
First Claim
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1. A method of transmitting data by a user equipment through an uplink, the method comprising:

  • receiving an uplink grant (UL Grant) from a base station;

    determining whether there is data stored in a message 3 (Msg3) buffer and whether the UL Grant was received on a random access response message; and

    transmitting, only when there is data stored in the Msg3 buffer and when the UL Grant was received on the random access response message, the data stored in the Msg3 buffer to the base station using the UL Grant received on the random access response message.

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