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Method for reporting channel state information, user equipment, and base station

  • US 9,866,302 B2
  • Filed: 05/12/2015
  • Issued: 01/09/2018
  • Est. Priority Date: 11/12/2012
  • Status: Active Grant
First Claim
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1. A method for reporting channel state information, comprising:

  • receiving, by a user equipment (UE), an aperiodic channel state information (CSI) trigger signaling in a subframe n, wherein n is an integer;

    determining, by the UE, a CSI measurement resource associated with the aperiodic CSI trigger signaling present in the subframe n, wherein the CSI measurement resource is at least one of a channel state information reference signal (CSI-RS) resource and an interference measurement resource (IMR), wherein the CSI-RS resource is a resource transmitting a non-zero power CSI-RS, and the IMR is a resource carrying a zero power CSI-RS; and

    reporting, by the UE, an aperiodic CSI according to the aperiodic CSI trigger signaling, wherein the reported aperiodic CSI is derived based on the determined CSI measurement resource.

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