A receiver for acquisition and lock of an impulse radio signal comprising an adjustable time base to output a sliding periodic timing signal having an adjustable repetition rate, and a decode timing modulator to output a decode signal in response to the periodic timing signal. The impulse radio signal...http://www.google.de/patents/US7539237?utm_source=gb-gplus-sharePatent US7539237 - Fast locking mechanism for channelized ultrawide-band communications