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Method and apparatus for transmission and reception of a digital television signal using multicarrier modulation

  • US 5,291,289 A
  • Filed: 03/20/1992
  • Issued: 03/01/1994
  • Est. Priority Date: 11/16/1990
  • Status: Expired due to Fees
First Claim
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1. A system for encoding a television signal comprising:

  • a) means for coding a first television signal into a plurality of digital symbols;

    b) means coupled to said coding means, for mapping each of said digital symbols into respective complex symbols;

    c) means coupled to said mapping means, for deriving a plurality of coefficients based upon a signal reference;

    d) means coupled to said deriving means, for multiplying each of said complex symbols with a respective coefficient so as to form a plurality of weighted complex symbols; and

    e) means coupled to said multiplying means, for modulating each of said weighted complex symbols on a respective carrier.

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