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Method for transmitting an SRS-triggering-based SRS in a wireless communication system

  • US 9,386,570 B2
  • Filed: 07/06/2015
  • Issued: 07/05/2016
  • Est. Priority Date: 05/12/2010
  • Status: Active Grant
First Claim
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1. A method for transmitting an aperiodic Sounding Reference Signal (SRS) by a user equipment in a wireless communication system, the method comprising:

  • receiving, from a base station, a downlink control information (DCI) format through a first component carrier of a plurality of component carriers configured for the user equipment, the DCI format including;

    an indicator indicating an index of an activated component carrier of the plurality of component carriers for an aperiodic SRS transmission, the index of the activated component carrier being different from an index of the first component carrier, anda multi-bits SRS request including;

    an indicator for triggering the aperiodic SRS transmission, andaperiodic SRS configuration information to be used for the aperiodic SRS transmission on the activated component carrier, andtransmitting, to the base station, the aperiodic SRS through the activated component carrier based on;

    the indicator indicating the index of the activated component carrier, andthe multi-bits SRS request.

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