A technique for modulating and demodulating CPM spread spectrum signals and variations of CPM spread spectrum signals. A transmitter divides a signal data stream into a plurality of data streams (such as I and Q data streams), independently modulates the I and Q data streams using CPM or a related technique,...http://www.google.com/patents/US5648982?utm_source=gb-gplus-sharePatent US5648982 - Spread spectrum transmitter
