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Configurable spatial channel information feedback in wireless communication system

  • US 9,496,938 B2
  • Filed: 09/25/2014
  • Issued: 11/15/2016
  • Est. Priority Date: 10/12/2009
  • Status: Active Grant
First Claim
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1. A method in a wireless communication device for providing spatial channel information feedback, the method comprising:

  • receiving, at the wireless communication device, transmissions from a plurality of antennas;

    receiving, at the wireless communication device, an indication of a feedback mode for feeding back spatial channel information, the spatial channel information based on transmission from at least some of the plurality of antennas;

    determining, at the wireless communication device, the spatial channel information comprising at least two Kronecker components;

    generating parameters representative of the Kronecker components by extracting Eigen information according to the feedback mode indicated based on an Eigenvalue decomposition of the Kronecker components; and

    feeding back, from the wireless communication device, the parameters representative of the Kronecker components according to the feedback mode indicated.

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