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CHANNEL STATE INFORMATION COMPRESSING APPARATUS AND METHOD, CHANNEL STATE INFORMATION EXPANDING APPARATUS AND METHOD, COMPUTER PROGRAMS, RECEIVER, AND TRANSMITTER

  • US 20110135021A1
  • Filed: 11/17/2010
  • Published: 06/09/2011
  • Est. Priority Date: 12/08/2009
  • Status: Active Grant
First Claim
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1. A channel state information compressing apparatus comprising:

  • a time-to-frequency region converter that converts a region for channel state information which indicates a state of each communication channel from a time region to a frequency region; and

    an adaptive selector that selects each frequency component to be included in compressed data based on electric power of the frequency component from among frequency region data obtained by the time-to-frequency region converter, whereinthe channel state information compressing apparatus outputs the compressed data consisting of each selected frequency component, and information for identifying each frequency component which forms the compressed data.

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