Adaptive finite impulse response (FIR) filter and method

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United States of America Patent

PATENT NO 9810771
SERIAL NO

14617214

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Abstract

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An adaptive finite impulse response (FIR) filter for filtering an I/Q data stream having a sample period. The FIR filter comprises at least one sample-period tap delay configured to delay the I/Q data stream by an integer multiple of the sample period of the I/Q data stream, and at least one sub-sample-period tap delay configured to delay the I/Q data stream by a non-integer multiple of the sample period of the I/Q data stream. A set of adaptive weights is provided and configured to weight samples of the delayed I/Q data stream. An adder is responsive to the weighted samples and configured to combine the weighted samples of the delayed I/Q data streams to generate a filtered I/Q data stream.

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Patent Owner(s)

  • LOCKHEED MARTIN CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Wasiewicz, Richard Tully, US 13 120

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