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Method and apparatus for channel state information feedback in a coordinated multi-point communication system

  • US 9,401,748 B2
  • Filed: 03/27/2013
  • Issued: 07/26/2016
  • Est. Priority Date: 03/27/2012
  • Status: Active Grant
First Claim
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1. A method of operating a user equipment (UE) comprising:

  • receiving a plurality of reference signals from a respective plurality of base stations;

    measuring the plurality of reference signals to generate an aggregated channel quality indicator (CQI) for a subset of the plurality of reference signals, wherein the aggregated CQI reflects a link quality associated with an effective aggregated channel of a subset of the respective plurality of base stations;

    measuring each of the plurality of reference signals to generate a respective plurality of per-point channel state information (CSI);

    transmitting the aggregated CQI and at least one of the per-point CSI to at least one of the respective plurality of base stations.

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