Analog correlation techniques are used in a digital receiver portion of a spread spectrum transceiver to determine when to turn ON given digital receiver components. According to a particular embodiment, an analog correlator receives the down-converted in-phase and quadrature-phase outputs from the radio...http://www.google.fr/patents/US6678312?utm_source=gb-gplus-shareBrevet US6678312 - Method for extending digital receiver sensitivity using analog correlation
Method for extending digital receiver sensitivity using analog correlation
