METHOD AND APPARATUS FOR INFORMATION FEEDBACK AND PRECODING

  • US 20130028344A1
  • Filed: 04/07/2010
  • Published: 01/31/2013
  • Est. Priority Date: 04/07/2010
  • Status: Active Grant
First Claim
Patent Images

1. A method for processing communication data at a user equipment in a wireless communication system, comprising:

  • deriving a spatial correlation matrix R of multiple transmit antennas of a base station based on an obtained downlink channel transmission matrix H;

    transforming a precoding codebook F according to the spatial correlation matrix R;

    selecting a precoding matrix Fs based on the transformed precoding codebook; and

    feeding back information about the spatial correlation matrix R and information about the selected precoding matrix Fs to the base station.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×