Inventor · Danville, CA, US

Chingwo Ma

9Patents
3h-index
14Co-inventors
50Inventor score

Filing activity: Mar 8, 1996 → Nov 14, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US5748126A Sigma-delta digital-to-analog conversion system and process through reconstruction and resampling Electricity 53 Expired
US7403556B2 Radio receiver supporting multiple modulation formats with a single pair of ADCs Electricity 30 Expired
US7539125B2 Method and circuit for frequency offset estimation in frequency domain in the orthogonal frequency division multiplexing baseband receiver for IEEE 802.11A/G wireless LAN standard Electricity 8 Active
US7289559B2 Method for updating coefficients in decision feedback equalizer Electricity 2 Expired
US7873123B2 Null detector and method thereof Electricity 1 Active
US7164731B2 Apparatus and method of adaptive frequency offset estimations for a receiver Electricity 1 Expired
US7843805B2 Method and circuit for frequency offset estimation in frequency domain in the orthogonal frequency division multiplexing baseband receiver for IEEE 802.11a/g wireless LAN standard Electricity 1 Active
US8942143B2 Time division duplex orthogonal frequency division multiplexing distributed antenna system, base station and remote access unit Electricity 1 Active
US7742537B2 Time domain symbol timing synchronization circuit and method thereof for communication systems Electricity 0 Active

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