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Class Information
Number: 708/323
Name: Electrical computers: arithmetic processing and calculating > Electrical digital calculating computer > Particular function performed > Filtering > Adaptive > Equalizer
Description: Subject matter where adaptive compensation for transmission medium noise imposition is performed.


Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
7590176 Partial response transmission system and equalizing circuit thereof Sep. 15, 2009
7577697 Measurement of equalizer span alignment with respect to channel condition Aug. 18, 2009
7574467 Adaptive equalizer and method for the same Aug. 11, 2009
7570704 Transmitter architecture for high-speed communications Aug. 4, 2009
7561619 Feedback filter Jul. 14, 2009
7548582 Kalman-viterbi joint channel equalizer Jun. 16, 2009
7545859 Adaptive channel equalization technique and method for wideband passive digital receivers Jun. 9, 2009
7545886 Method and apparatus for eye-opening based optimization Jun. 9, 2009
7529296 Adaptive equalization method and circuit for continuous run-time adaptation May. 5, 2009
7505514 Phase-compensation decision feedback channel equalizer and digital broadcasting receiver using the same Mar. 17, 2009
7492817 Adaptive digital filter Feb. 17, 2009
7492818 Equalizer mode switch Feb. 17, 2009
7466750 Apparatus for channel equalization using multi antenna and method thereof Dec. 16, 2008
7460594 Fast computation of linear equalizer coefficients from channel estimate Dec. 2, 2008
7460593 Signal processing device capable of enhancing correctness of feedback signals Dec. 2, 2008
7453932 Test device and setting method Nov. 18, 2008
7450634 Decision feed forward equalizer system and method Nov. 11, 2008
7443913 High speed decision feedback equalizer Oct. 28, 2008
7426236 Feedforward equalizer for DFE based detector Sep. 16, 2008
7421022 Method for robust and stable convergence of blind LMS based adaptation of coefficients for a continuous time FFE-DFE Sep. 2, 2008
7421019 Hierarchical adaptive equalizer and design method thereof Sep. 2, 2008
7406122 Equalizer and method of setting initial value for same Jul. 29, 2008
7400694 Method and apparatus for eye-opening based optimization Jul. 15, 2008
7386044 Computation of decision feedback equalizer coefficients with constrained feedback tap energy Jun. 10, 2008
7382827 Computation of decision feedback equalizer coefficients with constrained feedback tap energy Jun. 3, 2008
7369607 Multicarrier communication using a time domain equalizing filter May. 6, 2008
7346104 Adaptive receiving system and method for MIMO Mar. 18, 2008
7342981 Digital receiver having adaptive carrier recovery circuit Mar. 11, 2008
7342983 Apparatus and method for digitally filtering spurious transitions on a digital signal Mar. 11, 2008
7336899 Method for determining the dispersion characteristics of minimum phase filters Feb. 26, 2008
7330506 System and method for providing variable delay FIR equalizer for serial baseband communications Feb. 12, 2008
7321612 Bit stream conditioning circuit having adjustable PLL bandwidth Jan. 22, 2008
7317769 Bit stream conditioning circuit having adjustable input sensitivity Jan. 8, 2008
7305030 Method and apparatus for implementation of a zero forcing equalizer Dec. 4, 2007
7301997 Method and apparatus for improved high-speed adaptive equalization Nov. 27, 2007
7289555 Method and system for signal processing using vector output from scalar data Oct. 30, 2007
7286596 Training method for recording medium reproduction equalizer and recording medium reproduction apparatus Oct. 23, 2007
7274736 Multiple path equalization for multicarrier systems Sep. 25, 2007
7260146 Equalizing method and apparatus for single carrier system having an improved equalization performance Aug. 21, 2007
7260162 Method and apparatus for selecting an equalization algorithm depending on the used coding algorithm or on the channel quality Aug. 21, 2007
7254173 Digitally adjusted high speed analog equalizer Aug. 7, 2007
7242710 Aliasing reduction using complex-exponential modulated filterbanks Jul. 10, 2007
7242711 Decision feedback equalizer having reduced gate count Jul. 10, 2007
7239652 Pipelining of multiplexer loops in a digital circuit Jul. 3, 2007
7239660 Adaptive filter with GSPT LMS algorithm for reducing complexity Jul. 3, 2007
7236550 Method and apparatus for tail cancellation equalization Jun. 26, 2007
7230982 Decision feedback equalizer for minimum and maximum phase channels Jun. 12, 2007
7222144 Weight measurement apparatus, method of eliminating noise and method of designing digital filter May. 22, 2007
7218693 Method and apparatus for channel estimation in a packet based transmission system having reduced complexity May. 15, 2007
7200194 Receiver signal dynamic range compensation based on received signal strength indicator Apr. 3, 2007

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