Patent ID: 6647250
Filing Date: 2003-11-11
Classification: H03D,H04B

Abstract:
A method of generating a communications signal for transmitting a first and a second baseband signal, comprising the steps of:(1) receiving a first modulating baseband signal and a second modulating baseband signal wherein the first modulating baseband signal differs from the second modulating baseband signal; (2) modulating a first oscillating signal having a frequency f1 with said first modulating baseband signal to generate a first modulated signal; (3) modulating a second oscillating signal having a frequency f2 with said second modulating baseband signal to generate a second modulated signal; and (4) modulating said first modulated signal with said second modulated signal to generate a plurality of redundant spectrums, wherein each of said redundant spectrums contains information that is representative of said first modulating baseband signal and said second modulating baseband signal.