Equalizer for heavily clipped or compressed communications signals

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United States of America Patent

PATENT NO 8995518
SERIAL NO

13867886

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Abstract

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Apparatus and methods mitigate a problem of equalizing communications signals that have been distorted by severe non-linearities such as clipping or harsh compression. For example, severe non-linearity occurs when signal compression or signal clipping occurs at rates above 20% of the data transmission interval. Severe non-linearities may significantly reduce system performance. Disclosed techniques selectively apply DSP equalization based on the detection of non-linearity for a present sample or one or more samples prior to the present sample. These techniques can be implemented in relatively low-cost high-speed SerDes designs to improve eye openings and reduce sensitivity to InterSymbol Interference (ISI) and to improve bit error rate (BER).

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Patent Owner(s)

  • MICROSEMI STORAGE SOLUTIONS, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Katic, Ognjen Vancouver, CA 11 136
Warner, William D Maple Ridge, CA 21 324
Yee, Paul V Vancouver, CA 15 1273

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