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Radio communication system

  • US 7,359,341 B2
  • Filed: 02/25/2003
  • Issued: 04/15/2008
  • Est. Priority Date: 04/08/2002
  • Status: Active Grant
First Claim
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1. A TDMA radio communication system using a multiple sub-carrier modulation method, said TDMA radio communication system, comprising:

  • at least a first and a second radio station, whereinsaid second radio station selects only those sub-carriers capable of providing a transmission rate not less than a predetermined value in said first radio station, on the basis of the reception conditions of each sub-carrier of said first radio station, and modulates the selected sub-carriers using a modulation level or a coding rate in accordance with the reception conditions of said sub-carriers and also in accordance with the position of said first radio station with respect to said second radio station so as to perform communication.

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