Inventor · disambiguated record
Sthanunathan Ramakrishnan
Also filed as: RAMAKRISHNAN STHANUNATHAN · RAMAKRISHNAN STHANUNATHAN ERIC
38 granted patents·5 pending applications·216 citations·filing 2004–2021
97Inventor score
Files withTEXAS INSTRUMENTS INC31RAMAKRISHNAN STHANUNATHAN7WATERS DERIC W2PANDE TARKESH1RAMAKRISHNAN STHANUNATHAN ERIC1
Top patents by PatentIndex Score
43 records- 0195US7330140B2Interleaved analog to digital converter with compensation for parameter mismatch among individual convertersTEXAS INSTRUMENTS INC·Filed 2006·Granted Feb 12, 2008·41 cites·25 claims
- 0294US9069073B2Removing and de-weighting outlier measurements from satellite and previous informationRAMAKRISHNAN STHANUNATHAN·Filed 2011·Granted Jun 30, 2015·34 cites·5 claims
- 0393US7961123B2Time-interleaved analog-to-digital converterTEXAS INSTRUMENTS INC·Filed 2009·Granted Jun 14, 2011·31 cites·18 claims
- 0491US9374678B2Kalman filter iteratively performing time/measurement update of user/relative floor locationsTEXAS INSTRUMENTS INC·Filed 2014·Granted Jun 21, 2016·14 cites·14 claims
- 0587US8738035B1System and method for hybrid positioning using Wi-Fi and GNSS blendingRAMAKRISHNAN STHANUNATHAN·Filed 2012·Granted May 27, 2014·14 cites·22 claims
- 0686US11569827B1Analog-to-digital convertor pseudo periodic IL estimationTEXAS INSTRUMENTS INC·Filed 2021·Granted Jan 31, 2023·2 cites·20 claims
- 0782US10812294B2Channel estimation method and system for IQ imbalance and local oscillator leakage correctionTEXAS INSTRUMENTS INC·Filed 2019·Granted Oct 20, 2020·4 cites·24 claims
- 0880US8548495B2System and method for determining a position of a mobile wireless device by accessing access points alamanacs databaseWATERS DERIC W·Filed 2011·Granted Oct 1, 2013·8 cites·23 claims
- 0979US8924155B2System and method for access point based positioningWATERS DERIC W·Filed 2011·Granted Dec 30, 2014·8 cites·29 claims
- 1079US8477631B2Dynamic low power radio modesRAMAKRISHNAN STHANUNATHAN·Filed 2009·Granted Jul 2, 2013·8 cites·22 claims
- 1177US9178525B2Mismatch correctorTEXAS INSTRUMENTS INC·Filed 2015·Granted Nov 3, 2015·4 cites·22 claims
- 1276US9513374B2Measurement error covariance in GNSS receiver circuitry, pseudoranges, reference positionTEXAS INSTRUMENTS INC·Filed 2012·Granted Dec 6, 2016·8 cites·6 claims
- 1376US9184762B2Mismatch profileTEXAS INSTRUMENTS INC·Filed 2015·Granted Nov 10, 2015·4 cites·20 claims
- 1476US9001948B2Pulse shaping in a communication systemRAMAKRISHNAN STHANUNATHAN·Filed 2010·Granted Apr 7, 2015·4 cites·14 claims
- 1575US7796716B2Eliminating narrowband interference in a receiverTEXAS INSTRUMENTS INC·Filed 2007·Granted Sep 14, 2010·8 cites·18 claims
- 1671US9510319B2Method and system for location estimationTEXAS INSTRUMENTS INC·Filed 2014·Granted Nov 29, 2016·3 cites·15 claims
- 1770US7352801B2Selecting one of multiple antennas to receive signals in a wireless packet networkTEXAS INSTRUMENTS INC·Filed 2004·Granted Apr 1, 2008·12 cites·16 claims
- 1864US9955300B2Method for incorporating invisible access points for RSSI-based indoor positioning applicationsTEXAS INSTRUMENTS INC·Filed 2013·Granted Apr 24, 2018·1 cites·22 claims
- 1960US10050636B2Methods and apparatus to reduce non-linearity in analog to digital convertersTEXAS INSTRUMENTS INC·Filed 2016·Granted Aug 14, 2018·1 cites·18 claims
- 2060US9762254B2Continuous tracking of mismatch correction in both analog and digital domains in an interleaved ADCTEXAS INSTRUMENTS INC·Filed 2016·Granted Sep 12, 2017·1 cites·23 claims
- 2160US8345811B2Digital radio processor architecture with reduced DCO modulation range requirementTEXAS INSTRUMENTS INC·Filed 2008·Granted Jan 1, 2013·1 cites·22 claims
- 2259US11469784B2Spur estimating receiver systemTEXAS INSTRUMENTS INC·Filed 2020·Granted Oct 11, 2022·0 cites·19 claims
- 2359US9813072B2Methods and apparatus to increase an integrity of mismatch corrections of an interleaved analog to digital converterTEXAS INSTRUMENTS INC·Filed 2016·Granted Nov 7, 2017·1 cites·23 claims
- 2459US7583764B2Versatile system for interference tolerant packet detection in wireless communication systemsTEXAS INSTRUMENTS INC·Filed 2006·Granted Sep 1, 2009·1 cites·14 claims
- 2558US8554334B2Power optmization in a medical implant based systemRAMAKRISHNAN STHANUNATHAN·Filed 2009·Granted Oct 8, 2013·1 cites·3 claims
- 2657US11095485B2Frequency-domain IQ mismatch estimationTEXAS INSTRUMENTS INC·Filed 2019·Granted Aug 17, 2021·0 cites·20 claims
- 2757US10979262B2IQ mismatch correction for zero-IF/low-IF TX/RXTEXAS INSTRUMENTS INC·Filed 2020·Granted Apr 13, 2021·0 cites·18 claims
- 2856US10277202B2Methods and apparatus for efficient linear combinerTEXAS INSTRUMENTS INC·Filed 2017·Granted Apr 30, 2019·0 cites·19 claims
- 2956US9160358B2Close-in tonesTEXAS INSTRUMENTS INC·Filed 2015·Granted Oct 13, 2015·1 cites·20 claims
- 3056US8930136B2Static heading detection in personal navigation devicePANDE TARKESH·Filed 2011·Granted Jan 6, 2015·1 cites·18 claims
- 3156US2019214972A1Methods and apparatus for efficient linear combinerTEXAS INSTRUMENTS INC·Filed 2019·Application pending·0 cites
- 3255US2020007365A1Iq mismatch correction for zero-if/low-if tx/rxTEXAS INSTRUMENTS INC·Filed 2019·Application pending·0 cites
- 3353US11777513B2FDAC/2 spur estimation and correctionTEXAS INSTRUMENTS INC·Filed 2021·Granted Oct 3, 2023·0 cites·20 claims
- 3452US8774933B2Power efficiency in a medical implant based systemTEXAS INSTRUMENTS INC·Filed 2013·Granted Jul 8, 2014·0 cites·15 claims
- 3550US8401660B2Polling mechanism in a medical implant based systemRAMAKRISHNAN STHANUNATHAN·Filed 2009·Granted Mar 19, 2013·0 cites·5 claims
- 3649US10715376B2Enhanced IQ mismatch correction function generatorTEXAS INSTRUMENTS INC·Filed 2019·Granted Jul 14, 2020·0 cites·17 claims
- 3748US10924320B2IQ mismatch correction moduleTEXAS INSTRUMENTS INC·Filed 2019·Granted Feb 16, 2021·0 cites·18 claims
- 3848US2010036508A1Enabling non-interoperability among transceivers of devicesTEXAS INSTRUMENTS INC·Filed 2009·Application pending·0 cites
- 3944US2012106602A1Signaling in a Medical Implant Based SystemRAMAKRISHNAN STHANUNATHAN·Filed 2012·Application pending·0 cites
- 4042US10250273B2Band specific interleaving mismatch compensation in RF ADCsTEXAS INSTRUMENTS INC·Filed 2017·Granted Apr 2, 2019·0 cites·19 claims
- 4142US2014185518A1SYSTEM AND METHOD FOR WiFi POSITIONINGRAMAKRISHNAN STHANUNATHAN ERIC·Filed 2012·Application pending·0 cites
- 4239US8773304B2Method and apparatus to improve sensitivity of decoding time of a global navigation satellite system receiverRAO SANDEEP·Filed 2011·Granted Jul 8, 2014·0 cites·20 claims
- 4336US10541703B2Interleaved ADC with estimation of DSA-setting-based IL mismatchTEXAS INSTRUMENTS INC·Filed 2018·Granted Jan 21, 2020·0 cites·26 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →