Inventor · Parramatta, AU

John D. O'Sullivan

23Patents
14h-index
24Co-inventors
77Inventor score

Filing activity: Apr 6, 1990 → Dec 30, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US5487069A Wireless LAN Electricity 162 Expired
US7170849B1 Interleaver, deinterleaver, interleaving method, and deinterleaving method for OFDM data Electricity 119 Expired
US7212122B2 Methods and apparatus of meshing and hierarchy establishment for tracking devices Physics 112 Expired
US7315281B2 Location determination method and system for asset tracking devices Physics 99 Expired
US7110381B1 Diversity transceiver for a wireless local area network Electricity 64 Expired
US7480234B1 Initial timing estimation in a wireless network receiver Electricity 50 Active
US7151759B1 Automatic gain control and low power start-of-packet detection for a wireless LAN receiver Electricity 46 Expired
US7302269B1 Radiolocation in a wireless network using time difference of arrival Physics 42 Expired
US7062703B1 Early detection of false start-of-packet triggers in a wireless network node Electricity 34 Expired
US7161896B1 Channel estimation in a multicarrier radio receiver Electricity 30 Expired
US6944121B1 Wireless computer network including a mobile appliance containing a single chip transceiver Electricity 22 Expired
US7340000B1 Decision feedback equalizer in an OFDM WLAN receiver Electricity 19 Active
US5297070A Transform processing circuit Physics 18 Expired
US7304969B2 Automatic gain control and low power start-of-packet detection for a wireless LAN receiver Electricity 18 Active
US8159932B1 Initial timing estimation in a wireless network receiver Electricity 12 Active
US7430215B2 Interleaver, deinterleaver, interleaving method, and deinterleaving method for OFDM data Electricity 7 Active
US7164651B2 Wireless computer network including a mobile appliance containing a single chip transceiver Electricity 6 Expired
US7415661B2 Early detection of false start-of-packet triggers in a wireless network node Electricity 6 Active
US7773499B2 Channel estimation in a multicarrier radio receiver Electricity 5 Active
US7061855B2 Wireless computer network including a mobile appliance containing a single chip transceiver Electricity 4 Expired
US7636344B2 Diversity transceiver for a wireless local area network Electricity 2 Active
US7849391B2 Early detection of false start-of-packet triggers in a wireless network node Electricity 1 Active
US7840225B2 Radiolocation in a wireless network using time difference of arrival Physics 1 Active

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