A spread spectrum communication adaptive array antenna processor is disclosed which can acquire and remain synchronized to a pseudo-noise (PN) signal transmitted in a multipath signal environment. The plurality of antennas which receive rf signals are individually associated with mixing circuitry which...http://www.google.de/patents/US4217586?utm_source=gb-gplus-sharePatent US4217586 - Channel estimating reference signal processor for communication system adaptive antennas
