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Channel state information measurement method and user equipment

  • US 10,560,859 B2
  • Filed: 11/06/2015
  • Issued: 02/11/2020
  • Est. Priority Date: 11/07/2014
  • Status: Active Grant
First Claim
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1. A method for transmitting a channel quality indicator (CQI) report by a user equipment (UE), the method comprising:

  • receiving, by the UE, configuration information indicating resources for a channel state information (CSI) measurement;

    receiving, by the UE, signaling information indicating that a base station occupies a carrier on an unlicensed band in at least one subframe, from the base station;

    identifying, by the UE, at least one subframe in which the base station occupies the carrier on the unlicensed band, based on the signaling information;

    generating a CQI report based on measurement results at the at least one identified subframe, while excluding a measurement result of at least one subframe in which the base station does not occupy a carrier on the unlicensed band; and

    transmitting the CQI report to the base station.

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