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Method for terminal, configured to aggregate plurality of component carriers, for mitigating interference

  • US 10,700,723 B2
  • Filed: 08/23/2017
  • Issued: 06/30/2020
  • Est. Priority Date: 08/23/2016
  • Status: Active Grant
First Claim
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1. A method of performing interference mitigation by a user equipment (UE) configured to aggregate a plurality of component carriers, the method comprising:

  • receiving, by the UE, control information from a base station, the control information including information indicating that interference mitigation is to be performed for a signal transmitted via a first component carrier among the plurality of component carriers;

    performing, by the UE, interference mitigation for a second component carrier other than the first component carrier based on an interference environment, based on that the UE is capable of performing blind detection of cell-specific reference signal from an adjacent cell in the second component carrier; and

    transmitting, by the UE, information that the interference mitigation has been performed for the second component carrier to the base station, through a physical uplink control channel (PUCCH) signal,wherein the PUCCH signal includes a channel quality indication (CQI) index and a cell-specific reference signal-interference cancellation (CRS-IC) index, andwherein at least one of the CQI index and the CRS-IC index includes the information that the interference mitigation has been performed for the second component carrier.

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