Inventor · disambiguated record
Nachiappan Valliappan
Also filed as: VALLIAPPAN NACHIAPPAN
38 granted patents·11 pending applications·459 citations·filing 2013–2022
97Inventor score
Top patents by PatentIndex Score
49 records- 0198US10299284B2Inter-access terminal unblocking and enhanced contention for co-existence on a shared communication mediumQUALCOMM INC·Filed 2016·Granted May 21, 2019·24 cites·32 claims
- 0298US10291379B2Contention-based co-existence on a shared communication mediumQUALCOMM INC·Filed 2016·Granted May 14, 2019·26 cites·27 claims
- 0398US10201014B2Contention-based co-existence on a shared communication mediumQUALCOMM INC·Filed 2016·Granted Feb 5, 2019·42 cites·22 claims
- 0498US10091789B2Re-contention-based co-existence on a shared communication mediumQUALCOMM INC·Filed 2016·Granted Oct 2, 2018·37 cites·30 claims
- 0598US9924368B2Apparatus and methods for cellular communications over unused unlicenced spectrumQUALCOMM INC·Filed 2014·Granted Mar 20, 2018·42 cites·31 claims
- 0698US9788361B2Setting transmission parameters in a shared communication mediumQUALCOMM INC·Filed 2015·Granted Oct 10, 2017·35 cites·30 claims
- 0797US10542541B2Re-contention-based co-existence on a shared communication mediumQUALCOMM INC·Filed 2016·Granted Jan 21, 2020·18 cites·30 claims
- 0897US10405242B2Robust channel reservation on a shared communication mediumQUALCOMM INC·Filed 2016·Granted Sep 3, 2019·18 cites·34 claims
- 0997US10374777B2Control signaling in a shared communication mediumQUALCOMM INC·Filed 2016·Granted Aug 6, 2019·18 cites·40 claims
- 1097US10356816B2Re-contention-based co-existence on a shared communication mediumQUALCOMM INC·Filed 2016·Granted Jul 16, 2019·19 cites·26 claims
- 1197US10334546B2Synchronization signaling coordination for co-existence on a shared communication mediumQUALCOMM INC·Filed 2016·Granted Jun 25, 2019·20 cites·39 claims
- 1297US10219300B2Enhanced channel reservation for co-existence on a shared communication mediumQUALCOMM INC·Filed 2016·Granted Feb 26, 2019·35 cites·30 claims
- 1396US10595327B2Inter-access terminal unblocking and enhanced contention for co-existence on a shared communication mediumQUALCOMM INC·Filed 2019·Granted Mar 17, 2020·17 cites·19 claims
- 1496US9750014B2Interlaced carrier sense adaptive transmission (CSAT) co-existence in shared spectrumQUALCOMM INC·Filed 2015·Granted Aug 29, 2017·38 cites·20 claims
- 1596US9332465B2Long term evolution interference management in unlicensed bands for wi-fi operationQUALCOMM INC·Filed 2014·Granted May 3, 2016·25 cites·23 claims
- 1689US9806836B2Co-existence-aware communication in shared spectrumQUALCOMM INC·Filed 2015·Granted Oct 31, 2017·6 cites·49 claims
- 1787US9775048B2Performance of a user equipment (UE) in unlicensed spectrumQUALCOMM INC·Filed 2014·Granted Sep 26, 2017·7 cites·28 claims
- 1885US10952081B2Detecting radio coverage problemsGOOGLE LLC·Filed 2018·Granted Mar 16, 2021·3 cites·30 claims
- 1983US10080159B2Dynamic bandwidth management for load-based equipment in unlicensed spectrumQUALCOMM INC·Filed 2014·Granted Sep 18, 2018·6 cites·24 claims
- 2083US9986574B2Channel selection metrics in shared spectrumQUALCOMM INC·Filed 2015·Granted May 29, 2018·4 cites·24 claims
- 2182US9955482B2Long term evolution interference management in unlicensed bands for Wi-Fi operationQUALCOMM INC·Filed 2016·Granted Apr 24, 2018·3 cites·30 claims
- 2280US10743325B2Channel selection co-existence in shared spectrumQUALCOMM INC·Filed 2015·Granted Aug 11, 2020·3 cites·26 claims
- 2377US9655037B2Method and apparatus for an improved mechanism for selecting an access pointQUALCOMM INC·Filed 2014·Granted May 16, 2017·3 cites·12 claims
- 2476US11700536B2Detecting radio coverage problemsGOOGLE LLC·Filed 2022·Granted Jul 11, 2023·0 cites·20 claims
- 2574US10993151B2Cell switching for discontinuous transmission (DTX) in shared spectrumQUALCOMM INC·Filed 2015·Granted Apr 27, 2021·2 cites·20 claims
- 2670US10356623B2Techniques for performing carrier sense adaptive transmission in unlicensed spectrumQUALCOMM INC·Filed 2014·Granted Jul 16, 2019·2 cites·30 claims
- 2770US9451466B2Base station employing shared resources among antenna unitsQUALCOMM INC·Filed 2013·Granted Sep 20, 2016·2 cites·29 claims
- 2868US11388610B2Detecting radio coverage problemsGOOGLE LLC·Filed 2020·Granted Jul 12, 2022·0 cites·20 claims
- 2966US9730094B2Bursty-interference-aware interference managementQUALCOMM INC·Filed 2014·Granted Aug 8, 2017·2 cites·40 claims
- 3064US10602527B2Channel selection scanning in shared spectrumQUALCOMM INC·Filed 2015·Granted Mar 24, 2020·1 cites·24 claims
- 3164US10602536B2Beacon-aware co-existence in shared spectrumQUALCOMM INC·Filed 2015·Granted Mar 24, 2020·1 cites·30 claims
- 3262US10750506B2Re-contention-based co-existence on a shared communication mediumQUALCOMM INC·Filed 2019·Granted Aug 18, 2020·0 cites·32 claims
- 3353US12468850B2Differentially private heatmapsGOOGLE LLC·Filed 2022·Granted Nov 11, 2025·0 cites·19 claims
- 3452US9967833B2Adapting basic service set basic rate set for 802.11 wireless local area networksQUALCOMM INC·Filed 2014·Granted May 8, 2018·0 cites·40 claims
- 3550US2017215140A1Method and apparatus for an improved mechanism for selecting an access pointQUALCOMM INC·Filed 2017·Application pending·0 cites
- 3649US10979203B2Channel selection to reduce interference to a wireless local area network from a cellular networkQUALCOMM INC·Filed 2014·Granted Apr 13, 2021·0 cites·64 claims
- 3747US10651987B2Operator identification for co-existence on a shared communication mediumQUALCOMM INC·Filed 2016·Granted May 12, 2020·0 cites·10 claims
- 3846US2015311923A1Techniques for differentiating between signals of different radio access technologiesQUALCOMM INC·Filed 2014·Application pending·0 cites
- 3945US2015319767A1Bursty-interference-aware interference management utilizing run-lengthsQUALCOMM INC·Filed 2014·Application pending·0 cites
- 4045US2015318936A1Bursty-interference-aware interference management utilizing conditional metricQUALCOMM INC·Filed 2014·Application pending·0 cites
- 4144US10110337B2Techniques for performing carrier sense adaptive transmission in unlicensed spectrumQUALCOMM INC·Filed 2016·Granted Oct 23, 2018·0 cites·30 claims
- 4243US10153970B2Partial channel reservation on a shared communication mediumQUALCOMM INC·Filed 2015·Granted Dec 11, 2018·0 cites·30 claims
- 4342US2016037363A1Interference management in a bursty-interference environmentQUALCOMM INC·Filed 2014·Application pending·0 cites
- 4436US2016353482A1Reservation coordination in a shared communication mediumQUALCOMM INC·Filed 2015·Application pending·0 cites
- 4536US2016095039A1Transmission puncturing for co-existence on a shared communication mediumQUALCOMM INC·Filed 2015·Application pending·0 cites
- 4636US2016095040A1Transmission power reduction for co-existence on a shared communication mediumQUALCOMM INC·Filed 2015·Application pending·0 cites
- 4736US2017086076A1Setting transmission parameters in shared spectrumQUALCOMM INC·Filed 2015·Application pending·0 cites
- 4835US2016234757A1Discovering long term evolution (lte) advanced in unlicensed spectrum base stationsQUALCOMM INC·Filed 2015·Application pending·0 cites
- 4935US2016128130A1Mixed-mode medium access control (mac) on a shared communication mediumQUALCOMM INC·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →