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Radio communication method, radio communication system, radio communication base station, radio communication terminal station, and radio communication program

  • US 7,782,750 B2
  • Filed: 02/20/2003
  • Issued: 08/24/2010
  • Est. Priority Date: 02/21/2002
  • Status: Active Grant
First Claim
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1. A radio communication method for exchanging information between a base station and a terminal station, the method comprising:

  • communicating the information between the base station and the terminal station by multi-carrier signals, by OFDM modulation scheme, including plural subcarriers within a bandwidth;

    communicating control signals in addition to the information between the base station and the terminal station,wherein part of the control signals addressed to the terminal station from the base station is transmitted by one or more specific subcarriers in the bandwidth for the multi-carrier signals,wherein the one or more specific subcarriers is one subcarrier which occupies the band of a plurality of subcarriers which have their center at DC subcarrier in the equivalent base band.

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