Inventor · disambiguated record
Chandra Vaidyanathan
Also filed as: VAIDYANATHAN CHANDRA
34 granted patents·9 pending applications·1,526 citations·filing 2002–2025
98Inventor score
Top patents by PatentIndex Score
43 records- 0199US6785520B2System and method for antenna diversity using equal power joint maximal ratio combiningCOGNIO INC·Filed 2002·Granted Aug 31, 2004·158 cites·61 claims
- 0299US6687492B1System and method for antenna diversity using joint maximal ratio combiningCOGNIO INC·Filed 2002·Granted Feb 3, 2004·325 cites·79 claims
- 0398US7194237B2System and method for multiple-input multiple-output (MIMO) radio communicationIPR LICENSING INC·Filed 2003·Granted Mar 20, 2007·159 cites·15 claims
- 0497US7031669B2Techniques for correcting for phase and amplitude offsets in a MIMO radio deviceCOGNIO INC·Filed 2003·Granted Apr 18, 2006·106 cites·57 claims
- 0597US6873651B2System and method for joint maximal ratio combining using time-domain signal processingCOGNIO INC·Filed 2002·Granted Mar 29, 2005·132 cites·39 claims
- 0696US8676144B2Adaptive interference nulling for MIMO receiver based on interference characteristicsGUO LI·Filed 2011·Granted Mar 18, 2014·32 cites·15 claims
- 0796US7099678B2System and method for transmit weight computation for vector beamforming radio communicationIPR LICENSING INC·Filed 2004·Granted Aug 29, 2006·167 cites·54 claims
- 0896US6965762B2System and method for antenna diversity using joint maximal ratio combiningIPR LICENSING INC·Filed 2003·Granted Nov 15, 2005·108 cites·17 claims
- 0995US7545778B2Apparatus for antenna diversity using joint maximal ratio combiningIPR LICENSING INC·Filed 2005·Granted Jun 9, 2009·32 cites·16 claims
- 1092US7079870B2Compensation techniques for group delay effects in transmit beamforming radio communicationIPR LICENSING INC·Filed 2004·Granted Jul 18, 2006·46 cites·21 claims
- 1191US6862456B2Systems and methods for improving range for multicast wireless communicationCOGNIO INC·Filed 2002·Granted Mar 1, 2005·64 cites·20 claims
- 1290US8179816B1System and method for high resolution indoor positioning using a narrowband RF transceiverVAIDYANATHAN CHANDRA·Filed 2011·Granted May 15, 2012·29 cites·24 claims
- 1390US7236750B2Techniques for correcting for phase and amplitude offsets in a MIMO radio deviceIPR LICENSING INC·Filed 2004·Granted Jun 26, 2007·39 cites·7 claims
- 1487US7308287B2Compensation techniques for group delay effects in transmit beamforming radio communicationIPR LICENSING INC·Filed 2006·Granted Dec 11, 2007·11 cites·17 claims
- 1587US6993299B2Efficiency of power amplifiers in devices using transmit beamformingIPR LICENSING INC·Filed 2004·Granted Jan 31, 2006·25 cites·5 claims
- 1686US8265011B2High resolution wireless indoor positioning system for legacy standards-based narrowband mobile radiosSUGAR GARY L·Filed 2012·Granted Sep 11, 2012·13 cites·23 claims
- 1783US7899414B2Control of power amplifiers in devices using transmit beamformingIPR LICENSING INC·Filed 2009·Granted Mar 1, 2011·7 cites·6 claims
- 1881US7565117B2Control of power amplifiers in devices using transmit beamformingIPR LICENSING INC·Filed 2006·Granted Jul 21, 2009·9 cites·14 claims
- 1980US11138485B2Usage, condition and location tag and systemEMANATE WIRELESS INC·Filed 2019·Granted Oct 5, 2021·2 cites·25 claims
- 2079US2025330778A1Wireless room occupancy monitorEMANATE WIRELESS INC·Filed 2025·Application pending·0 cites
- 2177US7570921B2Systems and methods for improving range for multicast wireless communicationIPR LICENSING INC·Filed 2004·Granted Aug 4, 2009·13 cites·12 claims
- 2274US7573945B2System and method for joint maximal ratio combining using time-domain based signal processingIPR LICENSING INC·Filed 2003·Granted Aug 11, 2009·17 cites·32 claims
- 2371US12375877B2Wireless room occupancy monitorEMANATE WIRELESS INC·Filed 2022·Granted Jul 29, 2025·0 cites·20 claims
- 2471US8687560B2Unsynchronized time-of-flight-based wireless positioning system using network broadcastsDIANI SYSTEMS INC·Filed 2013·Granted Apr 1, 2014·6 cites·30 claims
- 2571US6871049B2Improving the efficiency of power amplifiers in devices using transmit beamformingCOGNIO INC·Filed 2003·Granted Mar 22, 2005·10 cites·22 claims
- 2669US7881674B2System and method for antenna diversity using equal power joint maximal ratio combiningIPR LICENSING INC·Filed 2007·Granted Feb 1, 2011·2 cites·5 claims
- 2769US7245881B2System and method for antenna diversity using equal power joint maximal ratio combiningIPR LICENSING INC·Filed 2004·Granted Jul 17, 2007·8 cites·5 claims
- 2868US2025260949A1Wireless room occupancy monitorEMANATE WIRELESS INC·Filed 2025·Application pending·0 cites
- 2966US9014172B2High resolution wireless indoor positioning system for legacy standards-based narrowband mobile radiosSUGAR GARY L·Filed 2012·Granted Apr 21, 2015·3 cites·4 claims
- 3062US11586870B2Usage, condition and location tag and systemEMANATE WIRELESS INC·Filed 2021·Granted Feb 21, 2023·0 cites·20 claims
- 3162US8111783B2Capturing and using radio eventsKLOPER DAVID·Filed 2008·Granted Feb 7, 2012·2 cites·22 claims
- 3260USRE47732ESystem and method for antenna diversity using equal power joint maximal ratio combiningIPR LICENSING INC·Filed 2017·Granted Nov 19, 2019·0 cites·23 claims
- 3358USRE46750ESystem and method for antenna diversity using equal power joint maximal ratio combiningIPR LICENSING INC·Filed 2014·Granted Mar 6, 2018·0 cites·13 claims
- 3456USRE45425ESystem and method for antenna diversity using equal power joint maximal ratio combiningIPR LICENSING INC·Filed 2013·Granted Mar 17, 2015·0 cites·13 claims
- 3556US8086199B2Sharing AGC loop between demodulator and spectrum analysis systemKLOPER DAVID·Filed 2008·Granted Dec 27, 2011·1 cites·25 claims
- 3656US2009239486A1Apparatus for antenna diversity using joint maximal ratio combiningIPR LICENSING INC·Filed 2009·Application pending·0 cites
- 3754US2009285146A1Methods for improving range for multicast wireless communicationIPR LICENSING INC·Filed 2009·Application pending·0 cites
- 3853US2009296848A1Joint maximal ratio combining using time-domauin based signal processingIPR LICENSING INC·Filed 2009·Application pending·0 cites
- 3951US2008095260A1Compensation techniques for group delay effects in transmit beamforming radio communicationIPR LICENSING INC·Filed 2007·Application pending·0 cites
- 4045US2015071274A1Cable assembly with integrated wireless proximity sensorsEMANATE WIRELESS INC·Filed 2014·Application pending·0 cites
- 4141US8861629B2Power allocation of spatial streams in MIMO wireless communication systemSTAGER PAUL J·Filed 2010·Granted Oct 14, 2014·0 cites·17 claims
- 4241US2002193090A1System and method for dynamic sampling rate adjustment to minimize power consumption in wideband radiosFiled 2002·Application pending·0 cites
- 4337US2013250791A1Indoor Positioning System for Standards-Based Narrowband mobile Radios Using Spectrally Overlapping TransmissionsDIANI SYSTEMS INC·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →