Inventor · disambiguated record
Qinfang Sun
Also filed as: SUN QINFANG
40 granted patents·10 pending applications·491 citations·filing 2002–2024
98Inventor score
Top patents by PatentIndex Score
50 records- 0195US8018379B1Automatic gain control in system simultaneously receiving GPS and GLONASS signalsQUALCOMM ATHEROS INC·Filed 2010·Granted Sep 13, 2011·28 cites·5 claims
- 0295US7616698B2Multiple-input multiple output system and methodATHEROS COMM INC·Filed 2004·Granted Nov 10, 2009·87 cites·1 claims
- 0393US8335283B1Weak signal detection in wireless communication systemsSUN QINFANG·Filed 2008·Granted Dec 18, 2012·28 cites·17 claims
- 0492US7039004B2Decision feedback channel estimation and pilot tracking for OFDM systemsATHEROS COMM INC·Filed 2002·Granted May 2, 2006·65 cites·24 claims
- 0591US8144683B1High throughput fine timingSUN QINFANG·Filed 2007·Granted Mar 27, 2012·31 cites·17 claims
- 0690US7826521B1Rate adaptation using error vector magnitudeATHEROS COMM INC·Filed 2007·Granted Nov 2, 2010·22 cites·9 claims
- 0789US7418042B2Repetition coding for a wireless systemATHEROS COMM INC·Filed 2003·Granted Aug 26, 2008·42 cites·24 claims
- 0886US8755472B2High sensitivity GPS receiverQUALCOMM INC·Filed 2013·Granted Jun 17, 2014·10 cites·21 claims
- 0985US8018378B2Satellite navigation receiver having a configurable acquisition engineATHEROS COMM INC·Filed 2010·Granted Sep 13, 2011·10 cites·15 claims
- 1084US8384592B1FFT based acquisition techniques for satellite based navigation systemsQUALCOMM INC·Filed 2009·Granted Feb 26, 2013·23 cites·34 claims
- 1182US8405546B1Engines in system simultaneously receiving GPS and GLONASS signalsYEH WEN-CHANG·Filed 2010·Granted Mar 26, 2013·10 cites·12 claims
- 1281US8824606B2Multiple correlators for communication device detectionCHENG HAO-JEN·Filed 2012·Granted Sep 2, 2014·10 cites·30 claims
- 1379US9131522B2Time-frequency scheduling to improve multi-radio coexistenceQUALCOMM INC·Filed 2013·Granted Sep 8, 2015·4 cites·16 claims
- 1479US8989294B2Multiple-input multiple-output system and methodQUALCOMM INC·Filed 2013·Granted Mar 24, 2015·3 cites·23 claims
- 1579US8059734B1MIMO equalization for wireless communication systemsSUN QINFANG·Filed 2008·Granted Nov 15, 2011·8 cites·18 claims
- 1678US9065686B2Spur detection, cancellation and tracking in a wireless signal receiverQUALCOMM INC·Filed 2012·Granted Jun 23, 2015·6 cites·20 claims
- 1778US8073072B2Multiple-input multiple-output system and methodSUN QINFANG·Filed 2009·Granted Dec 6, 2011·5 cites·19 claims
- 1877US7800531B2High precision positioning systemATHEROS COMM INC·Filed 2008·Granted Sep 21, 2010·12 cites·26 claims
- 1976US8538682B1Systems and methods for satellite navigation using locally generated ephemeris dataVANKATRAMAN SAI PRADEEP·Filed 2009·Granted Sep 17, 2013·26 cites·28 claims
- 2074US8509362B2High sensitivity GPS receiverSUN QINFANG·Filed 2012·Granted Aug 13, 2013·4 cites·10 claims
- 2174US7623467B1Wireless channel estimationATHEROS COMM INC·Filed 2003·Granted Nov 24, 2009·18 cites·30 claims
- 2273US7693036B2Decision feedback channel estimation and pilot tracking for OFDM systemsATHEROS COMM INC·Filed 2005·Granted Apr 6, 2010·4 cites·5 claims
- 2370US8675561B2WiFi distance measurement using location packetsSUN QINFANG·Filed 2011·Granted Mar 18, 2014·4 cites·26 claims
- 2470US8587477B2Analog front end for system simultaneously receiving GPS and GLONASS signalsSAMAVATI HIRAD·Filed 2010·Granted Nov 19, 2013·6 cites·13 claims
- 2570US8410979B2Digital front end in system simultaneously receiving GPS and GLONASS signalsSUN QINFANG·Filed 2010·Granted Apr 2, 2013·4 cites·35 claims
- 2669US8270457B2High sensitivity GPS receiverSUN QINFANG·Filed 2008·Granted Sep 18, 2012·6 cites·10 claims
- 2766US8884818B1Calibration and blanking in system simultaneously receiving GPS and GLONASS signalsSUN QINFANG·Filed 2010·Granted Nov 11, 2014·2 cites·30 claims
- 2866US8754809B2High sensitivity GLONASS/GPS automatic frequency controlZHOU HAO·Filed 2011·Granted Jun 17, 2014·3 cites·16 claims
- 2966US7705778B2Satellite navigation receiver having configurable acquisition and tracking enginesATHEROS COMM INC·Filed 2008·Granted Apr 27, 2010·5 cites·26 claims
- 3063US2025176020A1Packet detection across sub-bandsQUALCOMM INC·Filed 2024·Application pending·0 cites
- 3160US9197374B2Repetition coding for a wireless systemQUALCOMM INC·Filed 2014·Granted Nov 24, 2015·0 cites·20 claims
- 3258US12200765B2Packet detection across sub-bandsQUALCOMM INC·Filed 2022·Granted Jan 14, 2025·0 cites·19 claims
- 3358US8207890B2Providing ephemeris data and clock corrections to a satellite navigation system receiverVENKATRAMAN SAI·Filed 2008·Granted Jun 26, 2012·5 cites·16 claims
- 3456US2024098549A1Wi-fi mesh backhaul link tx biasing for better end-to-end throughput and delayQUALCOMM INC·Filed 2022·Application pending·0 cites
- 3555US2009010365A1Repetition coding for a wireless systemATHEROS COMM INC·Filed 2008·Application pending·0 cites
- 3653US8599953B2Multiple-input multiple-output system and methodSUN QINFANG·Filed 2011·Granted Dec 3, 2013·0 cites·17 claims
- 3752US8923421B2Repetition coding for a wireless systemCHOI WON-JOON·Filed 2012·Granted Dec 30, 2014·0 cites·31 claims
- 3851US9253742B1Fine timing for high throughput packetsSUN QINFANG·Filed 2007·Granted Feb 2, 2016·0 cites·2 claims
- 3950US8000227B2Decision feedback channel estimation and pilot tracking for OFDM systemsATHEROS COMM INC·Filed 2010·Granted Aug 16, 2011·0 cites·2 claims
- 4050US2013064124A1Weak signal detection in wireless communication systemsQUALCOMM INC·Filed 2012·Application pending·0 cites
- 4150US2014028499A1Engines In System Simultaneously Receiving GPS And GLONASS SignalsQUALCOMM INC·Filed 2013·Application pending·0 cites
- 4243US8654008B2Multi-stage GLONASS/GPS automatic frequency controlZHOU HAO·Filed 2010·Granted Feb 18, 2014·0 cites·40 claims
- 4343US8334805B2Digital front end for a satellite navigation receiverSUN QINFANG·Filed 2008·Granted Dec 18, 2012·0 cites·19 claims
- 4440US2020305124A1Enhanced gain control for co-located interferenceQUALCOMM INC·Filed 2019·Application pending·0 cites
- 4538US2012235861A1Providing ephemeris data and clock corrections to a satellite navigation system receiverVENKATRAMAN SAI·Filed 2012·Application pending·0 cites
- 4637US2012050096A1GLONASS Bit Boundary DetectionCHENG HAO-REN·Filed 2010·Application pending·0 cites
- 4736US8855171B2Satellite signal acquisitionCHU CHIH-YUAN·Filed 2011·Granted Oct 7, 2014·0 cites·16 claims
- 4833US2012177027A1System and method for time synchronizing wireless network access pointsVENKATRAMAN SAI·Filed 2011·Application pending·0 cites
- 4928US2011032147A1Providing ephemeris data and clock corrections to a satellite navigation system receiverVENKATRAMAN SAI·Filed 2010·Application pending·0 cites
- 5023US8780958B2Hybrid bit extraction for global position receiverCHENG HAOJEN·Filed 2010·Granted Jul 15, 2014·0 cites·32 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →