Inventor · Fort Wayne, IN, US

Donald Rasmussen

15Patents
5h-index
10Co-inventors
63Inventor score

Filing activity: Jun 5, 1995 → Feb 28, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US6859463B1 Methods and apparatus for organizing selection of operational parameters in a communication system Electricity 71 Expired
US5818867A QPSK/QBL-MSK waveform enhancement Electricity 25 Expired
US6674790B1 System and method employing concatenated spreading sequences to provide data modulated spread signals having increased data rates with extended multi-path delay spread Electricity 19 Expired
US5732106A Pulse-shaping filter for modulator monolithic integration Electricity 18 Expired
US7630428B2 Fast digital carrier frequency error estimation algorithm using synchronization sequence Electricity 7 Active
US7639730B2 Methods and apparatus for improving signal timing accuracy Electricity 5 Active
US7609755B2 Simplified timing correction for data despreading of serial offset quadrature pulse-shaped spread signals Electricity 4 Active
US7593454B2 Enhanced QPSK or DQPSK data demodulation for direct sequence spreading (DSS) system waveforms using orthogonal or near-orthogonal spreading sequences Electricity 4 Active
US10637531B2 Extended range communications for ultra-wideb and network nodes Electricity 3 Active
US10263661B2 Extended range communications for ultra-wideband network nodes Electricity 2 Active
US7801255B2 Synchronization technique for serial modulated waveforms Electricity 1 Active
US7822100B2 Phase mapping for QPSK/QBL-MSK waveform Electricity 1 Active
US7773696B1 QBL-MSK mapping for time of arrival (TOA) applications Electricity 0 Active
US7715505B2 Adaptive synchronization enhancement technique for serial modulated waveforms Electricity 0 Active
US10541720B2 Extended range communications for ultra-wideband network nodes Electricity 0 Active

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