Combiner for two dimensional adaptive interference suppression s

Details Combiner for two dimensional adaptive interference suppression s Combiner for two dimensional adaptive interference suppression s

1992-06-25

1994-02-22

Gregory, Bernarr E.

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

Directive

Utilizing correlation techniques

364572, 364574, 36472401, 36472412, 375 99, 375102, 375103, 455 63, 455 673, 4552781, 455296, H04B 110

Patent

active

052891941

ABSTRACT:
A multisignal combiner is provided for weighting the best performing signal of an amplitude transform signal and a phase difference transform signal produced by a processor which receives a two dimensional signal and has intermediate signals which are a variance of the amplitude and a variance of the phase difference of the received signal. A device is provided for receiving the variance of the amplitude and the variance of the phase difference for producing a pair of weighting factors, each of which is inversely proportional to the size of the variances of the respective values, and a third weighting factor which is 1 minus the weighting factor of the signal which has the smallest variance. The transformed signals are weighted by the weighting factors and the received signal is weighted by the third weighting factor. The weighted signals are then summed to provide a final output signal which has it's best performing signal component enhanced relative to the other signal components.

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J. Bond and T. Schlosser, "Adaptive Locally Optimum Detection Based Upon nel Estimation", NOSC Technical Report 1307, San Diego, Calif., Aug. 1989, pp. 1-19.

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