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Method of enhanced interference measurements for channel state information (CSI) feedback

  • US 10,098,032 B2
  • Filed: 08/17/2017
  • Issued: 10/09/2018
  • Est. Priority Date: 09/28/2012
  • Status: Active Grant
First Claim
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1. A User Equipment (UE) comprising:

  • a processor configured to process signals associated with communications;

    a transceiver configured to transmit and receive signals associated with the communications;

    wherein the processor is further configured to;

    receive CSI-IM resources from a serving cell from the transceiver;

    process the received CSI-IM resources to perform interference measurements on cells including the said serving cell;

    process a zero-power (ZP) CSI-RS according to the CSI-IM resources received at the transceiver from the said serving cell;

    perform the interference measurements associated with the cells including the said serving cell based on the CSI-IM resources and ZP CSI-RS received at the transceiver from the said serving cell; and

    provide channel state information feedback to the said serving cell based on the interference measurements, wherein the processor is further configured to process a CSI-IM resources hopping pattern received at the transceiver from the said serving cell for varying a position of the CSI-IM resources in subframes and to receive CSI-IM and the ZP CSI-RS from the said serving cell in positions in subframes according to the received CSI-IM resources hopping pattern.

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