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Transmitting digital signal

  • US 20040081254A1
  • Filed: 11/13/2003
  • Published: 04/29/2004
  • Est. Priority Date: 12/22/2000
  • Status: Active Grant
First Claim
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1. A method for transmitting digital symbols, in which method at least two symbols belonging to the same transmission block are read in the transmitter, characterized by forming a block code comprising channel symbols from the symbols belonging to the transmission block by performing at least one of the following operations to each symbol:

  • repetition, conjugation, multiplying by a weighting coefficient, summing two or more symbols, and multiplying at least one symbol belonging to the transmission block by a first nonzero weighting coefficient and at least one symbol belonging to the transmission block by a second nonzero weighting coefficient, and having the division ratio of the first and second weighting coefficients differ from values ±

    1 and ±

    j, and transmitting the formed channel symbols via two or more transmission antenna routes.

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