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Compensation for the carrier frequency offset in a receiving apparatus, which is designed for a plurality of modulation types, in a mobile communications system

  • US 7,545,885 B2
  • Filed: 10/31/2005
  • Issued: 06/09/2009
  • Est. Priority Date: 11/02/2004
  • Status: Expired due to Fees
First Claim
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1. A receiving apparatus for a mobile communications system, comprising:

  • a first receiving section configured to demodulate received signals of a first modulation type, the first receiving section comprising a frequency offset estimation unit; and

    a second receiving section configured to demodulate received signals of a second modulation type, the second receiving section comprising a frequency correction unit configured to correct the frequency offset;

    wherein the first receiving section is connected to the second receiving section configured to transmit the estimated frequency offset from the first receiving section to the second receiving; and

    wherein the first modulation type comprises a two-value frequency modulation method, and the second modulation type comprises a modulation method having an M-value of M≧

    4.

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