OFDMA with adaptive subcarrier-cluster configuration and selective loading

  • US 20020119781A1
  • Filed: 12/15/2000
  • Published: 08/29/2002
  • Est. Priority Date: 12/15/2000
  • Status: Active Grant
First Claim
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1. A method for subcarrier selection for a system employing orthogonal frequency division multiple access (OFDMA) comprising:

  • a subscriber measuring channel and interference information for a plurality of subcarriers based on pilot symbols received from a base station;

    the subscriber selecting a set of candidate subcarriers;

    the subscriber providing feedback information on the set of candidate subcarriers to the base station; and

    the subscriber receiving an indication of subcarriers of the set of subcarriers selected by the base station for use by the subscriber.

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