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Method and apparatus for minimizing error propagation in correlative digital and communication system

  • US 5,287,351 A
  • Filed: 03/16/1992
  • Issued: 02/15/1994
  • Est. Priority Date: 11/27/1990
  • Status: Expired due to Term
First Claim
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1. A method for communicating the information contained in a plurality of serialized digital bit streams over a communication link comprising the steps of:

  • grouping said plurality of serialized digital bit streams into at least one group having an odd number of bit streams per group;

    time division multiplexing the bits of each group together to form a single multiplexed bit stream from each group;

    demultiplexing said multiplexed bit streams into a first bit stream and a second bit stream of alternating bits from said multiplexed bit stream;

    modulating a first carrier with said first bit stream;

    modulating a second carrier of the same frequency which is 90°

    out of phase with said first carrier with said second bit stream; and

    transmitting said first and second carriers over a communication link.

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