Signaling using phase rotation techniques in a digital communications system

CAFC
  • US 6,473,506 B1
  • Filed: 10/13/1998
  • Issued: 10/29/2002
  • Est. Priority Date: 10/13/1998
  • Status: Expired due to Term
First Claim
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1. In a digital telecommunications system, a method for transmitting signaling information from a transmitter to a receiver comprising the steps of:

  • identifying one of a plurality of information signals to be conveyed from the transmitter to the receiver in addition to data;

    rotating each of one or more symbols by a common phase rotation factor, wherein the phase rotation factor uniquely identifies the one information signal to be conveyed from the transmitter to the receiver; and

    transmitting each of the one or more phase-rotated symbols to the receiver.

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