Inventor · Maple Ridge, BC, CA

William D. Warner

31Patents
8h-index
24Co-inventors
75Inventor score

Filing activity: Mar 15, 1976 → May 18, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US5444697A Method and apparatus for frame synchronization in mobile OFDM data communication Electricity 211 Expired
US6940916B1 Wideband analog quadrature modulator/demodulator with pre-compensation/post-compensation correction Electricity 73 Expired
US8023588B1 Adaptive predistortion of non-linear amplifiers with burst data Electricity 24 Active
US7515650B1 Quadrature modulation compensation Electricity 24 Active
US8693596B1 Gain calibration for a Mueller-Muller type timing error detector Electricity 16 Active
US8942334B1 Parallel replica CDR to correct offset and gain in a baud rate sampling phase detector Electricity 13 Active
US8428113B1 Equalizer for heavily clipped or compressed communications signals Electricity 12 Active
US9444588B1 On-chip bathtub BER measurement for high-speed serdes diagnostics Electricity 11 Active
US7656945B1 Stabilized digital timing recovery using low-complexity equalizer Electricity 8 Active
US8116409B1 Method and apparatus for SerDes jitter tolerance improvement Electricity 8 Active
US8948325B1 Method and apparatus for digital post-distortion compensation of signal non-linearities Electricity 6 Active
US8816886B1 Method and apparatus to control the effective gain of a statistically calibrated analog to digital converter Electricity 6 Active
US8611473B1 Reduction of correlated channel impairments Electricity 6 Active
US9143371B1 Method for reducing jitter in receivers Electricity 5 Active
US8467436B1 DSP-based diagnostics for monitoring a SerDes link Electricity 4 Active
US9020022B1 Analog finite impulse response adaptation method and apparatus Electricity 4 Active
US7844650B2 Pulse output direct digital synthesis circuit Physics 4 Active
US8644369B1 Equalizer adaptation for heavily compressed or clipped communications signals Electricity 4 Active
US8923460B1 Methods and apparatus for signal equalization in dual polarization multiplexed optical communication systems Electricity 3 Active
US4024285A Process for preparing plant protease solutions Human Necessities 2 Expired
US11215044B2 Adaptive noise reduction for event monitoring during hydraulic fracturing operations Fixed Constructions 1 Active
US8989250B1 Method and apparatus for equalizing distortion in a digital pre-distortion observation path Electricity 1 Active
US9344272B1 Parallel replica CDR to correct offset and gain in a baud rate sampling phase detector Electricity 1 Active
US4336271A Tenderization of meat by natural enzyme control Human Necessities 1 Expired
US9426004B1 Method for reducing jitter in receivers Electricity 1 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.