Inventor

Christopher H. Dick

Inventor

San Jose, CA, US

Overview

2000–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 78 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Lprimary

H04LTransmission of digital information, e.g. telegraphic communication33%

H04BTransmission23%

G06FElectric digital data processing15%

H03FAmplifiers8%

H03MCoding8%

H03HImpedance networks, e.g. resonant circuits5%

H04NPictorial communication, e.g. television3%

H04WWireless communication networks2%

G11CStatic stores1%

H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner1%

PatentTitleYear

11,108,410User-programmable LDPC decoder2021 10,990,552Streaming interconnect architecture for data processing engine array2021 10,944,444Method of and circuit for predistortion for a cable TV amplifier2021 10,747,690Device with data processing engine array2020 10,747,502Multiply and accumulate circuit2020 10,715,702Method of and circuit for predistortion for a cable TV amplifier2020 10,673,564Software defined modem2020 10,622,951Digital communications circuits and systems2020 10,484,012Systems and methods for decoding quasi-cyclic (QC) low-density parity-check (LDPC) codes2019 10,411,656Method of and circuit for crest factor reduction for a cable TV amplifier2019 10,263,644Hybrid architecture for LDPC channel coding in data center2019 9,973,363Generalized frequency division multiplexing (GFDM) multiple-input multiple-output (MIMO) system2018 9,967,057System and method for computing log likelihood ratios2018 9,941,943Coordinate descent detector and precoder for multiple-input multiple-output (MIMO) system2018 9,935,810Method and apparatus for model identification and predistortion2018 9,935,604Variable bandwidth filtering2018 9,876,657System and method for downlink processing in communication systems2018 9,866,269'Method of and circuit for predistortion for a power amplifier'2018 9,787,289'M-path filter with outer and inner channelizers for passband bandwidth adjustment'2017 9,727,416'Variable code rate solid-state drive'2017 9,590,567'Moving mean and magnitude dual path digital predistortion'2017 9,525,470'Adaptive multiple-input multiple-output (MIMO) data detection and precoding'2016 9,503,301'Noise-shaping crest factor reduction with polyphase transforming'2016 9,455,760'Waveform adaptable digital predistortion'2016 9,413,390'High throughput low-density parity-check (LDPC) decoder via rescheduling'2016 9,337,886'Digital pre-distortion with shared observation path receiver'2016 9,025,691'Channel equalization'2015 9,014,241'Digital pre-distortion in a communication network'2015 9,008,156'Waveform differentiating repeater'2015 9,008,204'OFDM of signals onto a same RF port'2015 9,001,924'Matrix inversion'2015 8,938,483'Filter parallelization for high data throughput'2015 8,903,027'Detector for a multiple-antenna receiver'2014 8,848,842'Recursion unit scheduling'2014 8,837,633'Systems and methods for digital processing based on active signal channels of a communication system'2014 8,831,117'Peak-to-average power ratio reduction with bounded error vector magnitude'2014 8,774,324'Systems and methods for changing decoding parameters in a communication system'2014 8,767,887'L1-norm transformation in soft-output MIMO detector'2014 8,675,784'Channel adaptive sphere detector'2014 8,666,336'Digital pre-distortion with model-based order estimation'2014 8,649,307'Mobile communication with modes for single carrier and spatial and frequency multiplexing'2014 8,572,150'Parameterization of a CORDIC algorithm for providing a CORDIC engine'2013 8,553,786'System and method for pilot tone assisted selected mapping'2013 8,522,119'Reduction in decoder loop iterations'2013 8,510,364'Systolic array for matrix triangularization and back-substitution'2013 8,503,950'Circuit and method for crest factor reduction'2013 8,472,307'Channelization circuits having multiple commutators'2013 8,473,540'Decoder and process therefor'2013 8,473,539'Modified givens rotation for matrices with complex numbers'2013 8,442,105'Equalization for minimum mean-square-error successive-interference-cancellation'2013 8,417,758'Left and right matrix multiplication using a systolic array'2013 8,417,749'Specifying a multirate digital filter based on a ratio of an input sample rate to an output sample rate'2013 8,401,115'Detector using limited symbol candidate generation for MIMO communication systems'2013 8,355,430'Adaptive demodulation of a data communication'2013 8,331,471'Low bit-rate feedback for wireless communication systems with reduced computational complexity'2012 8,311,161'Sphere detector performing depth-first search until terminated'2012 8,155,071'Cross-layer allocation of spectral resource to spatially multiplexed communication'2012 8,090,037'OFDM modulation using a shaping filter'2012 8,059,761'Detecting in-phase and quadrature-phase amplitudes of MIMO communications'2011 8,040,981'Symbol detection in a MIMO communication system'2011 8,042,084'Generating factorization permutations of natural numbers and performing circuit design exploration'2011 8,027,404'Limiting candidates for symbol detection in a MIMO communication system'2011 7,965,799'Block boundary detection for a wireless communication system'2011 7,929,651'Low phase noise recursive direct digital synthesis with automatic gain control gain stabilization'2011 7,809,075'MIMO symbol detection for SNR higher and lower than a threshold'2010 7,737,779'Method of and circuit for reducing distortion in a power amplifier'2010 7,639,735'Method and apparatus for signal to noise ratio estimation'2009 7,627,046'Waveform generation for improved peak-to-average amplitude ratio'2009 7,583,725'Dynamically reconfigurable adaptive communication device and system'2009 7,557,619'Digital frequency synthesis'2009 7,539,241'Packet detector for a communication system'2009 7,376,544'Vector transfer during co-simulation'2008 7,313,373'Crest factor reduction for use in a multiband transmitter'2007 6,876,698'Tunable narrow-band filter including sigma-delta modulator'2005 6,600,788'Narrow-band filter including sigma-delta modulator implemented in a programmable logic device'2003 6,460,061'2-dimensional discrete cosine transform using a polynomial transform'2002 6,333,649'Error feed-forward direct digital synthesis'2001 6,073,154'Computing multidimensional DFTs in FPGA'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2021Patents assigned to XILINX INC (78)· patent assignee history

2000–2021Based in San Jose, CA, US· patent location history

2011–2015Patents assigned to DICK CHRISTOPHER H (27)· patent assignee history

2011–2013Patents assigned to AMIRI KIARASH (2)· patent assignee history

2012–2014Patents assigned to RAO RAGHAVENDAR M (8)· patent assignee history

2014Patents assigned to WU MICHAEL (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
XILINX INC	78	2000–2021
DICK CHRISTOPHER Hself	27	2011–2015
RAO RAGHAVENDAR M	8	2012–2014
WU MICHAEL	3	2014
AMIRI KIARASH	2	2011–2013

Locations

Location	Patents	Span
San Jose, California, US	78	2000–2021