Circuits and methods for reducing interference that spectrally overlaps a desired signal based on dynamic gain control and/or equalization

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United States of America Patent

PATENT NO 9806747
SERIAL NO

15457895

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A system is provided with circuits and methods for dynamically reducing interference to maintain linear system operation and mitigate interference degradation to desired signal components. The system can include a binning subcircuit system configured to divide the digitized input signal into a plurality of spectral bins each having a power level. A power analysis subcircuit can be coupled to the binning subcircuit and configured to compare a collective power level of spectral bins to a threshold level that would produce nonlinear system operation. Based upon the collective power level exceeding the threshold level, outputting a gain control signal to a variable gain amplifier so that the system remains linear. This dynamic gain control can be applied to systems that receive and/or transmit signals. Residual interference components that degrade signal components can be dynamically removed by excision and the distortion introduced by the excision process can be reduced with equalization circuitry.

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Patent Owner(s)

Patent OwnerAddress
THE AEROSPACE CORPORATION2310 EAST EL SEGUNDO BLVD MS M1/040 EL SEGUNDO CA 90245

International Classification(s)

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  • 2017 Application Filing Year
  • H04L Class
  • 36365 Applications Filed
  • 27259 Patents Issued To-Date
  • 74.96 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2017201820192020202120222023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Clark, Christopher J Hermosa Beach, US 44 1004
Dybdal, Robert B Palos Verdes Estates, US 31 518
Wang, Fei San Gabriel, US 1116 10607

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Patent Citation Ranking

  • 4 Citation Count
  • H04L Class
  • 11.47 % this patent is cited more than
  • 8 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges7723917103642621314694423014182001 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +025050075010001250150017502000225025002750300032503500375040004250

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