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Satellite, mobile terminal, and complementary terrestrial component in OFDM based multi-beam satellite system reusing the same frequency band for all the beams, and communication method thereof

  • US 8,149,762 B2
  • Filed: 08/07/2009
  • Issued: 04/03/2012
  • Est. Priority Date: 11/25/2008
  • Status: Active Grant
First Claim
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1. A communication method of a mobile terminal in an orthogonal frequency division multiplexing (OFDM) based multi-beam satellite system reusing the same frequency band for all the beams, the method comprising:

  • receiving location information of the mobile terminal from a satellite to determine a location of the mobile terminal within multiple beams;

    determining a subcarrier group for a communication with the satellite according to the location of the mobile terminal within the multiple beams; and

    communicating with the satellite using the subcarrier group for the communication with the satellite.

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