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Method and apparatus for performing random access process in wireless communication system

  • US 10,123,353 B2
  • Filed: 12/20/2012
  • Issued: 11/06/2018
  • Est. Priority Date: 12/20/2011
  • Status: Active Grant
First Claim
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1. A method for receiving control information by a user equipment (UE) in a wireless communication system, the method comprising:

  • receiving, via a primary cell (PCell) of a first timing advance group (TAG), a random access response (RAR) including uplink resource allocation information for a physical uplink shared channel (PUSCH);

    transmitting, via a first secondary cell (SCell) of a second TAG, a physical uplink shared channel (PUSCH) signal based on the uplink resource allocation information; and

    receiving, via a second SCell configured to schedule the first SCell, a physical hybrid ARQ channel (PHICH) signal including acknowledgement information for the PUSCH signal,wherein the first and second SCells are different from each other, and each of the first and second TAGs has a respective timing advance value applied to uplink transmission.

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