DIGITAL BROADCAST SYSTEM WITH RANGE EXTENSION BROADCAST STATIONS

摘要

A digital broadcast system (Fig. 1) comprising a master radio broadcast station location at a main predetermined location for formatting and broadcasting a plurality of channels of digitized program data in a spread spectrum (Fig. 5), time and frequency hopping waveform to remote mobile and stationary receivers (Fig. 1). A plurality of relatively low power range extension radio broadcast stations are provided, each said range extension station being located in selected areas and each range extension station being adapted to receive and store one or more channels of program information from the master station. A separate program distribution system coupling the receive and store means of each range extension radio broadcast station (Fig. 1) with the master radio broadcast station, and having for each range extension station at least one path selected from satellite, microwave, fiber optic, coaxial cable and telephone paths.