A system and method for the simultaneous transmission of point-to-point and broadcast signals over an optical network are provided. In accordance with this invention, the user terminals of the system are divided into groups of user terminals, each assigned a different waveband. Each user terminal within...http://www.google.com/patents/US20040218924?utm_source=gb-gplus-sharePatent US20040218924 - Optical communications system and method for transmittin point-to-point and broadcast signals
