Side-channel communications in simultaneous voice and data transmission

  • US 5,506,866 A
  • Filed: 11/15/1993
  • Issued: 04/09/1996
  • Est. Priority Date: 11/15/1993
  • Status: Expired due to Term
First Claim
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1. A method for transmitting a side-channel in a simultaneous analog and digital communications system, the method comprising the steps of:

  • multiplexing a plurality of symbol streams to provide a sequence of symbol blocks, where each symbol block includes a predefined number of symbols from each symbol stream; and

    transmitting each symbol block;

    wherein the step of transmitting further includes the step of adding to each symbol of each symbol block a signal point before transmission.

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