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Method and modem for adaptive allocation of the pilot carrier in a multi-carrier system

  • US 5,867,528 A
  • Filed: 01/16/1997
  • Issued: 02/02/1999
  • Est. Priority Date: 01/16/1996
  • Status: Expired due to Term
First Claim
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1. A method for selecting a pilot carrier among a set of carriers carrying data to be transmitted between two stations in a telecommunication system, said pilot carrier being used for synchronisation between said two stations, characterized in that said method comprises the steps of:

  • a) determining noise on each carrier in said set of carriers at initialisation of said system;

    b) selecting, by means of a predetermined noise criterion to be fulfilled, said pilot carrier within said set of carriers;

    c) repetitively determining noise on each said carrier during normal operation of said system; and

    d) selecting another pilot carrier within said set of carriers whenever said predetermined noise criterion is no longer fulfilled by said pilot carrier.

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