Multipath reduction system

Details Multipath reduction system Multipath reduction system

1987-10-02

1989-01-10

Griffin, Robert L.

Telecommunications

Receiver or analog modulated signal frequency converter

With wave collector

455139, 455304, H04B 708

Patent

active

047979500

ABSTRACT:
The effects of multipath and other interference signals in communication receivers are reduced by implementing an adaptive array. The invention addresses a signal environment in which the directions of arrival and the time of arrival of the signal of interest and the unwanted multipath or interference signals are unknown. The feedback equation of the LMS adaptive array is changed so that a reference signal is not needed. The system uses the strongest received signal as the signal of interest and rejects the other received signals.

REFERENCES:
patent: 4085368 (1978-04-01), Yeh
patent: 4160952 (1979-07-01), Seastrand Jr.
patent: 4210871 (1980-07-01), Hill et al.
patent: 4261056 (1981-04-01), Barnett et al.
patent: 4584712 (1986-04-01), Isobe et al.
patent: 4710975 (1987-12-01), Okamoto
patent: 4715048 (1987-12-01), Masamura
patent: 4736455 (1988-04-01), Matsue et al.

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