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METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING DATA USING PLURALITY OF CARRIERS IN MOBILE COMMUNICATION SYSTEM

  • US 20190014601A1
  • Filed: 09/14/2018
  • Published: 01/10/2019
  • Est. Priority Date: 05/09/2012
  • Status: Active Grant
First Claim
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1. A method by a terminal in a wireless communication system, the method comprising:

  • identifying that a number of transmissions of a random access preamble reaches a pre-defined condition;

    performing a first procedure if the preamble is transmitted on a first primary cell of a master cell group (MCG); and

    performing a second procedure if the preamble is transmitted on a second primary cell of a secondary cell group (SCG),wherein the second procedure is different from the first procedure.

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