System and method for multiple sub-octave band transmissions

A method for multiple sub-octave band transmission of signals, the method comprising the steps of:

• modulating digital signals onto RF carrier frequencies in discrete first and second sub-octave bands to produce respective first band signals and second band signals wherein the first band is separated from the second band by more than one octave;
• converting the first and second band signals into one or more light beams for transmission through a fiber optic cable;
• recovering a first band signal from a light beam retrieved from the fiber optic cable;
• filtering second order distortions outside the first sub-octave band from the recovered first band signal;
• and
• demodulating a digital signal from the filtered, first band signal.

A system for multiple sub-octave band transmission of signals comprising:

• at least one modem modulating digital signals onto RF carrier frequencies in first and second sub-octave bands to produce first band signals and second band signals;
• at least one transmitter converting the first and second band signals into one or more light beams for transmission through a fiber optic cable;
• a receiver recovering a first band signal from a light beam retrieved from the fiber optic cable;
• a band pass filter filtering second order distortions outside the first sub-octave band from the recovered first band signal;
• and
• a modem demodulating a digital signal from the filtered, first band signal.