Inventor · disambiguated record
Sam Padinjaremannil Alex
Also filed as: ALEX SAM · ALEX SAM P · ALEX SAM PADINJAREMANNIL
56 granted patents·7 pending applications·169 citations·filing 2007–2024
98Inventor score
Top patents by PatentIndex Score
63 records- 0197US11540204B1Enforcing fairness in airtime utilization among devices including artificial reality devicesMETA PLATFORMS TECH LLC·Filed 2020·Granted Dec 27, 2022·10 cites·20 claims
- 0297US9866286B1Positional tracking assisted beam forming in wireless virtual reality systemsOCULUS VR LLC·Filed 2017·Granted Jan 9, 2018·40 cites·11 claims
- 0396US11729551B2Systems and methods for ultra-wideband applicationsMETA PLATFORMS TECH LLC·Filed 2021·Granted Aug 15, 2023·6 cites·20 claims
- 0495US12041658B1Systems and methods for performing coexistence operations in wireless spectrumsMETA PLATFORMS TECH LLC·Filed 2022·Granted Jul 16, 2024·2 cites·19 claims
- 0595US11330460B1EDCA optimization for artificial reality linksFACEBOOK TECH LLC·Filed 2020·Granted May 10, 2022·3 cites·20 claims
- 0695US11252262B2Coordination among artificial reality linksFACEBOOK TECH LLC·Filed 2020·Granted Feb 15, 2022·3 cites·20 claims
- 0794US10326500B1Positional tracking assisted beam forming in wireless virtual reality systemsFACEBOOK TECH LLC·Filed 2018·Granted Jun 18, 2019·8 cites·20 claims
- 0894US9294259B2Full duplex system in massive MIMOBROADCOM CORP·Filed 2013·Granted Mar 22, 2016·18 cites·26 claims
- 0993US11843668B2Coordination among artificial reality linksMETA PLATFORMS TECH LLC·Filed 2022·Granted Dec 12, 2023·2 cites·20 claims
- 1093US9853699B2Antenna systems and methods for massive MIMO communicationAVAGO TECHNOLOGIES GENERAL IP·Filed 2016·Granted Dec 26, 2017·8 cites·20 claims
- 1188US10236968B2High altitude point to multipoint linksFACEBOOK INC·Filed 2017·Granted Mar 19, 2019·5 cites·20 claims
- 1284US10084517B1Multi-layered precodingFACEBOOK INC·Filed 2017·Granted Sep 25, 2018·4 cites·20 claims
- 1383US12477581B2Systems and methods for performing coexistence operations in wireless spectrumsMETA PLATFORMS TECH LLC·Filed 2024·Granted Nov 18, 2025·0 cites·18 claims
- 1481US9407337B2Antenna systems and methods for massive MIMO communicationBROADCOM CORP·Filed 2013·Granted Aug 2, 2016·4 cites·20 claims
- 1581US9094064B2Systems and methods for beamforming in a massive MIMO systemBROADCOM CORP·Filed 2013·Granted Jul 28, 2015·4 cites·20 claims
- 1681US7783293B2Method of training a communication systemBECEEM COMM INC·Filed 2007·Granted Aug 24, 2010·11 cites·20 claims
- 1779US9392549B2Reducing precoder signaling overhead for MIMO communication systemBROADCOM CORP·Filed 2014·Granted Jul 12, 2016·4 cites·20 claims
- 1879US7859990B2Methods and systems for performing channels estimation in a wireless communication systemBECEEM COMM INC·Filed 2007·Granted Dec 28, 2010·7 cites·18 claims
- 1977US7852909B2Method and apparatus for estimating frequency offset and timing offset of one or more mobile stations (MSs)BECEEM COMM INC·Filed 2007·Granted Dec 14, 2010·6 cites·24 claims
- 2074US11852711B2Systems and methods for ultra-wideband radioMETA PLATFORMS TECH LLC·Filed 2021·Granted Dec 26, 2023·0 cites·20 claims
- 2174US11838369B1EDCA optimization for artificial reality linksMETA PLATFORMS TECH LLC·Filed 2022·Granted Dec 5, 2023·0 cites·20 claims
- 2274US10084518B2MIMO (multiple-input, multiple-output) inter-stream interference cancellationFACEBOOK INC·Filed 2016·Granted Sep 25, 2018·2 cites·15 claims
- 2371US10326513B2Methods of antenna system control in massive MIMO systemsAVAGO TECH INT SALES PTE LID·Filed 2013·Granted Jun 18, 2019·2 cites·20 claims
- 2471US9351156B2Physical layer encryption for MIMO communication networksBROADCOM CORP·Filed 2013·Granted May 24, 2016·2 cites·20 claims
- 2570US12196835B2Systems and methods for automatic triggering of rangingMETA PLATFORMS TECH LLC·Filed 2021·Granted Jan 14, 2025·0 cites·20 claims
- 2670US10236961B2Processsing of beamforming signals of a passive time-delay structureFACEBOOK INC·Filed 2018·Granted Mar 19, 2019·1 cites·18 claims
- 2770US9496933B2Base station simultaneously servicing legacy cellular and massive multiple-input, multiple-outputBROADCOM CORP·Filed 2013·Granted Nov 15, 2016·2 cites·20 claims
- 2869US11538133B1Time alignment for wireless AR/VRMETA PLATFORMS TECH LLC·Filed 2020·Granted Dec 27, 2022·0 cites·20 claims
- 2969US10181880B1Zone precodingFACEBOOK INC·Filed 2017·Granted Jan 15, 2019·1 cites·20 claims
- 3066US8675761B2Allocating antennas for cyclic delay diversity transmissionTUJKOVIC DJORDJE·Filed 2010·Granted Mar 18, 2014·2 cites·27 claims
- 3166US8139667B2Method and apparatus for estimating frequency offset and timing offset of one or more mobile stationsMANAKKAL RAJESH RAJA·Filed 2010·Granted Mar 20, 2012·2 cites·13 claims
- 3264US8494466B2Selecting receiver chains of a mobile unit for receiving wireless signalsJALLOUL LOUAY·Filed 2008·Granted Jul 23, 2013·2 cites·26 claims
- 3364US2025158684A1Systems and methods of adaptive frequency hoppingMETA PLATFORMS TECH LLC·Filed 2024·Application pending·0 cites
- 3463US10715242B1Grouping antenna elements to enhanced an antenna array response resolutionFACEBOOK INC·Filed 2019·Granted Jul 14, 2020·1 cites·20 claims
- 3563US8515476B2Subscriber station transceiver allocation of groups of subcarriers between a plurality of transceiver antennasALEX SAM P·Filed 2012·Granted Aug 20, 2013·1 cites·21 claims
- 3662US7916774B2Method and system for estimating channel of a mobile station in a communication systemBROADCOM CORP·Filed 2007·Granted Mar 29, 2011·2 cites·12 claims
- 3761US7680027B2Methods and systems for channel estimation in a collaborative multi input multiple output (MIMO) communication systemBECEEM COMM INC·Filed 2007·Granted Mar 16, 2010·2 cites·15 claims
- 3860US10454540B2Zone precodingFACEBOOK INC·Filed 2019·Granted Oct 22, 2019·0 cites·20 claims
- 3960US9143376B2Efficient tree-based MIMO OFDM detectionBROADCOM CORP·Filed 2013·Granted Sep 22, 2015·1 cites·20 claims
- 4058US11057098B2Methods of antenna system control in massive MIMO systemsAVAGO TECH INT SALES PTE LID·Filed 2019·Granted Jul 6, 2021·0 cites·20 claims
- 4158US10361759B2Zone precodingFACEBOOK INC·Filed 2018·Granted Jul 23, 2019·0 cites·20 claims
- 4257US10148324B2Positional tracking assisted beam forming in wireless virtual reality systemsFACEBOOK TECH LLC·Filed 2017·Granted Dec 4, 2018·0 cites·10 claims
- 4357US9125081B2Adaptive cross-radio access technology (RAT) channel assignmentBROADCOM CORP·Filed 2014·Granted Sep 1, 2015·0 cites·20 claims
- 4457US8204527B2Subscriber station transceiver allocation of groups of subcarriers between a plurality of transceiver antennasALEX SAM P·Filed 2009·Granted Jun 19, 2012·1 cites·24 claims
- 4556US10659114B2Multi-layered precodingFACEBOOK INC·Filed 2018·Granted May 19, 2020·0 cites·20 claims
- 4656US9148805B2Small cell base station DTX modeBROADCOM CORP·Filed 2014·Granted Sep 29, 2015·0 cites·20 claims
- 4756US9106280B2Pilot design for massive MIMO communicationBROADCOM CORP·Filed 2013·Granted Aug 11, 2015·0 cites·21 claims
- 4855US10644766B2MIMO (multiple-input, multiple-output) inter-stream interference cancellationFACEBOOK INC·Filed 2018·Granted May 5, 2020·0 cites·17 claims
- 4955US9026123B2Method and apparatus for managing uplink communication in wireless communication networkJALLOUL LOUAY·Filed 2009·Granted May 5, 2015·0 cites·20 claims
- 5054US2013329679A1Subscriber Station Transceiver Allocation of Groups of Subcarriers Between a Plurality of Transceiver AntennasBROADCOM CORP·Filed 2013·Application pending·0 cites
Showing the top 50 of 63 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →