Null processing and beam steering receiver apparatus and method

Details Null processing and beam steering receiver apparatus and method Null processing and beam steering receiver apparatus and method

1993-06-28

1994-05-31

Issing, Gregory C.

Communications: directive radio wave systems and devices (e.g.,

Directive

Utilizing correlation techniques

342383, G01S 316

Patent

active

053173228

ABSTRACT:
A system for processing modulated signals received, together with at least one interference signal, by an array of antenna elements in a communications receiver. The method of the invention includes demodulating the received signals, and processing the demodulated signals to produce an output signal that is substantially free of any interference signals, while at the same time effectively steering the antenna pattern produced by the array of elements, to move any spurious nulls in the pattern away from a source of information signals. This results in avoidance of any cycle slipping problems that might otherwise arise in receiver tracking control loops, and has the added benefit of significantly improving performance as measured by the signal-to-noise ratio.

REFERENCES:
patent: 4313116 (1982-01-01), Powell et al.
patent: 4651155 (1987-03-01), Baurle et al.
patent: 4734701 (1988-03-01), Grobert
patent: 4771289 (1988-09-01), Masak
patent: 4780721 (1988-10-01), Dobson

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