Spatial filtering system

Details Spatial filtering system Spatial filtering system

1989-04-03

1990-04-10

Tarcza, Thomas H.

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

Directive

Including a steerable array

367125, H04B 700

Patent

active

049164538

ABSTRACT:
An improved spatial filtering system includes a plurality of tracker modules for isolating selected signals from an array of signal data values collected from a signal environment by a plurality of receiver elements and stored in a residual signal storage element. Each tracker module includes a generating module for generating, from the array of signal data values, estimated contributions of a selected signal at each of the plurality of receiver elements. Each tracker module also includes an output signal estimation module, connected to the generating module, for determining, based on the estimated contributions, an output signal that is representative of the selected signal. A system control unit enables at least a first tracker module to selectively read the array of signal data values and to selectively combine the generated estimated contributions with the array of signal data values in the residual signal storage element to alter the array of signal data values during the generation of estimated contributions by other tracker modules.

REFERENCES:
patent: 4255791 (1981-03-01), Martin
patent: 4316191 (1982-02-01), Sawatari et al.
patent: 4431945 (1984-02-01), Barton et al.

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