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Method for transmitting multiplexed HARQ feedbacks in a carrier aggregation system and a device therefor

  • US 10,615,921 B2
  • Filed: 06/25/2018
  • Issued: 04/07/2020
  • Est. Priority Date: 01/14/2015
  • Status: Active Grant
First Claim
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1. A method for a User Equipment (UE) operating in a wireless communication system, the method comprising:

  • receiving configuration information for configuring a third cell in which a Physical Uplink Control Channel (PUCCH) resource is not configured; and

    transmitting a Hybrid Automatic Repeat reQuest (HARQ) feedback of the third cell on a first cell or a second cell,wherein the first cell is not a special cell (SpCell) of a base station, and the second cell is the SpCell,wherein each of the first and second cells is configured with a PUCCH resource, andwherein the HARQ feedback is transmitted on the first cell when an indication indicating that the HARQ feedback is to be sent on the first cell is received in the configuration information, and the HARQ feedback is transmitted on the second cell when the indication is not received.

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