A fast spread spectrum communication system is provided, having fewer circuits and requiring fewer PN codes to be assigned to a user. A series of digital data to be transmitted, is divided into 4-bit frames. The 4-bit data of each frame is divided into the first through fourth elements in a predetermined...http://www.google.com.au/patents/US5930290?utm_source=gb-gplus-sharePatent US5930290 - Spread spectrum communications system for high-speed communications
