Inventor · disambiguated record
Sandeep Chennakeshu
Also filed as: CHENNAKESHU SANDEEP
91 granted patents·3 pending applications·5,487 citations·filing 1989–2025
99Inventor score
Files withERICSSON INC32GEN ELECTRIC21BLACKBERRY LTD16ERICSSON GE MOBILE INC11MALIKIE INNOVATIONS LTD4
Top patents by PatentIndex Score
94 records- 0199US5691980ALocal communication network for power reduction and enhanced reliability in a multiple node tracking systemGEN ELECTRIC·Filed 1995·Granted Nov 25, 1997·452 cites·11 claims
- 0296US10302478B1Method and system for cargo load detectionBLACKBERRY LTD·Filed 2018·Granted May 28, 2019·11 cites·23 claims
- 0396US6483828B1System and method for coding in a telecommunications environment using orthogonal and near-orthogonal codesERICSSON INC·Filed 1999·Granted Nov 19, 2002·164 cites·57 claims
- 0494US5285480AAdaptive MLSE-VA receiver for digital cellular radioGEN ELECTRIC·Filed 1991·Granted Feb 8, 1994·181 cites·15 claims
- 0593US6034987ASystem for improving the quality of a received radio signalERICSSON INC·Filed 1996·Granted Mar 7, 2000·125 cites·21 claims
- 0692US7241179B2Universal audio jack and plugSONY ERICSSON MOBILE COMM AB·Filed 2003·Granted Jul 10, 2007·54 cites·18 claims
- 0792US6768913B1Method and apparatus for performing beam searching in a radio communication systemERICSSON INC·Filed 2000·Granted Jul 27, 2004·67 cites·12 claims
- 0892US5991331ASystem for improving the quality of a received radio signalERICSSON INC·Filed 1997·Granted Nov 23, 1999·119 cites·18 claims
- 0991US5349589AGeneralized viterbi algorithm with tail-bitingERICSSON GE MOBILE COMMUNICAT·Filed 1991·Granted Sep 20, 1994·85 cites·5 claims
- 1091US5283811ADecision feedback equalization for digital cellular radioGEN ELECTRIC·Filed 1991·Granted Feb 1, 1994·202 cites·12 claims
- 1190US6532374B1Distributed radio telephone for use in a vehicleERICSSON INC·Filed 2000·Granted Mar 11, 2003·53 cites·13 claims
- 1290US5353307AAutomatic simulcast alignmentGEN ELECTRIC·Filed 1993·Granted Oct 4, 1994·197 cites·36 claims
- 1389US6694154B1Method and apparatus for performing beam searching in a radio communication systemERICSSON INC·Filed 1997·Granted Feb 17, 2004·131 cites·55 claims
- 1489US6335954B1Method and apparatus for joint synchronization of multiple receive channelsERICSSON INC·Filed 1996·Granted Jan 1, 2002·110 cites·73 claims
- 1589US6226507B1Apparatus and method for selecting between a plurality of antennas utilized by a microcellular communications terminal for reception of a signalERICSSON INC·Filed 1998·Granted May 1, 2001·104 cites·63 claims
- 1689US5020056AReduction of synchronous fading effects by time hopping of user slots in TDMA framesGEN ELECTRIC·Filed 1989·Granted May 28, 1991·84 cites·8 claims
- 1788US5838267AMethod and apparatus for encoding and decoding digital informationERICSSON GE MOBILE INC·Filed 1996·Granted Nov 17, 1998·66 cites·27 claims
- 1887US11959750B2Mobile transceiver with adaptive monitoring and reportingMALIKIE INNOVATIONS LTD·Filed 2021·Granted Apr 16, 2024·1 cites·20 claims
- 1987US6031874AUnequal error protection in coded modulation schemesERICSSON INC·Filed 1997·Granted Feb 29, 2000·175 cites·16 claims
- 2086US10142819B2Establishing machine type communicationsBLACKBERRY LTD·Filed 2015·Granted Nov 27, 2018·4 cites·17 claims
- 2186US6975582B1Dual mode satellite/cellular terminalERICSSON INC·Filed 1999·Granted Dec 13, 2005·122 cites·14 claims
- 2286US5604806AApparatus and method for secure radio communicationERICSSON GE MOBILE INC·Filed 1995·Granted Feb 18, 1997·75 cites·30 claims
- 2385US6212368B1Measurement techniques for diversity and inter-frequency mobile assisted handoff (MAHO)ERICSSON INC·Filed 1998·Granted Apr 3, 2001·81 cites·36 claims
- 2485US6137843AMethods and apparatus for canceling adjacent channel signals in digital communications systemsERICSSON INC·Filed 1997·Granted Oct 24, 2000·113 cites·16 claims
- 2585US6091936AMethod and apparatus for reducing co-channel interferenceERICSSON INC·Filed 1996·Granted Jul 18, 2000·88 cites·13 claims
- 2685US6005887ADespreading of direct sequence spread spectrum communications signalsERICSSON INC·Filed 1996·Granted Dec 21, 1999·71 cites·39 claims
- 2784US12335856B2Method and apparatus for multi-SIM selectionMALIKIE INNOVATIONS LTD·Filed 2023·Granted Jun 17, 2025·0 cites·20 claims
- 2884US10551407B2Determining an open/close status of a barrierBLACKBERRY LTD·Filed 2016·Granted Feb 4, 2020·3 cites·21 claims
- 2984US5488635ALow complexity adaptive equalizer radio receiver employing reduced complexity branch metric calculationGEN ELECTRIC·Filed 1993·Granted Jan 30, 1996·121 cites·3 claims
- 3084US5335250AMethod and apparatus for bidirectional demodulation of digitally modulated signalsERICSSON GE MOBILE COMMUNICAT·Filed 1992·Granted Aug 2, 1994·81 cites·19 claims
- 3183US9877275B2Method and apparatus for multi-SIM selectionBLACKBERRY LTD·Filed 2016·Granted Jan 23, 2018·2 cites·18 claims
- 3282US5406593AAdaptive phase-locked loop employing channel state information estimation from received signal phase anglesGEN ELECTRIC·Filed 1993·Granted Apr 11, 1995·74 cites·13 claims
- 3381US11156463B2Mobile transceiver with adaptive monitoring and reportingBLACKBERRY LTD·Filed 2020·Granted Oct 26, 2021·1 cites·22 claims
- 3481US5351274APost detection selection combining diversity receivers for mobile and indoor radio channelsGEN ELECTRIC·Filed 1993·Granted Sep 27, 1994·113 cites·19 claims
- 3580US5909465AMethod and apparatus for bidirectional demodulation of digitally modulated signalsERICSSON GE MOBILE INC·Filed 1996·Granted Jun 1, 1999·117 cites·14 claims
- 3679US11864101B2Method and apparatus for multi-SIM selectionMALIKIE INNOVATIONS LTD·Filed 2022·Granted Jan 2, 2024·0 cites·25 claims
- 3779US5151926ASample timing and carrier frequency estimation circuit for sine-cosine detectorsGEN ELECTRIC·Filed 1991·Granted Sep 29, 1992·54 cites·12 claims
- 3878US5968199AHigh performance error control decoderERICSSON INC·Filed 1996·Granted Oct 19, 1999·42 cites·10 claims
- 3978US5465271APost detection weighted vector combining diversity receivers using phase metrics for mobile and indoor radio channelsGEN ELECTRIC·Filed 1993·Granted Nov 7, 1995·61 cites·11 claims
- 4078US2025159599A1Method and apparatus for multi-sim selectionMALIKIE INNOVATIONS LTD·Filed 2025·Application pending·0 cites
- 4177US6415154B1Method and apparatus for communicating auxilliary information and location information between a cellular telephone network and a global positioning system receiver for reducing code shift search time of the receiverERICSSON INC·Filed 1998·Granted Jul 2, 2002·77 cites·17 claims
- 4276US10231178B2Method and apparatus for multi-SIM selectionBLACKBERRY LTD·Filed 2018·Granted Mar 12, 2019·1 cites·20 claims
- 4376US5822310AHigh power short message service using broadcast control channelERICSSON GE MOBILE INC·Filed 1995·Granted Oct 13, 1998·95 cites·20 claims
- 4475US6031913AApparatus and method for secure communication based on channel characteristicsERICSSON INC·Filed 1998·Granted Feb 29, 2000·76 cites·24 claims
- 4574US6134286ASynchronization techniques and systems for radiocommunicationERICSSON INC·Filed 1997·Granted Oct 17, 2000·83 cites·22 claims
- 4674US5995533AApparatus and method for generating pseudorandom quantities based upon radio channel characteristicsERICSSON INC·Filed 1995·Granted Nov 30, 1999·74 cites·44 claims
- 4774US5202901ADigital discriminator for pulse shaped π/4 shifted differentially encoded quadrature phase shift keyingGEN ELECTRIC·Filed 1991·Granted Apr 13, 1993·73 cites·9 claims
- 4873US11100194B2Method and system for cargo sensing estimationBLACKBERRY LTD·Filed 2018·Granted Aug 24, 2021·2 cites·24 claims
- 4973US5343498ASample timing selection and frequency offset correction for U.S. digital cellular mobile receiversGEN ELECTRIC·Filed 1993·Granted Aug 30, 1994·70 cites·9 claims
- 5072US11272441B2Method and apparatus for multi-SIM selectionBLACKBERRY LTD·Filed 2020·Granted Mar 8, 2022·0 cites·20 claims
Showing the top 50 of 94 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →