Inventor · disambiguated record
Vishakan Ponnampalam
Also filed as: PONNAMPALAM VISHAKAN
42 granted patents·8 pending applications·623 citations·filing 2004–2020
98Inventor score
Files withPONNAMPALAM VISHAKAN13SONY CORP6MEDIATEK SINGAPORE PTE LTD5MIMOSA NETWORKS INC5IPWIRELESS INC4
Top patents by PatentIndex Score
50 records- 0198US9693388B2Wireless access points providing hybrid 802.11 and scheduled priority access communicationsMIMOSA NETWORKS INC·Filed 2015·Granted Jun 27, 2017·39 cites·11 claims
- 0298US9001689B1Channel optimization in half duplex communications systemsHINMAN BRIAN·Filed 2014·Granted Apr 7, 2015·266 cites·18 claims
- 0397US9888485B2Channel optimization in half duplex communications systemsMIMOSA NETWORKS INC·Filed 2016·Granted Feb 6, 2018·35 cites·15 claims
- 0497US9295103B2Wireless access points providing hybrid 802.11 and scheduled priority access communicationsFINK JAIME·Filed 2013·Granted Mar 22, 2016·45 cites·30 claims
- 0597US9161387B2Wireless access points providing hybrid 802.11 and scheduled priority access communicationsFINK JAIME·Filed 2013·Granted Oct 13, 2015·43 cites·6 claims
- 0696US10616903B2Channel optimization in half duplex communications systemsMIMOSA NETWORKS INC·Filed 2017·Granted Apr 7, 2020·17 cites·20 claims
- 0796US9504049B2Channel optimization in half duplex communications systemsMIMOSA NETWORKS INC·Filed 2014·Granted Nov 22, 2016·38 cites·26 claims
- 0894US10785608B2Wireless access points providing hybrid 802.11 and scheduled priority access communicationsMIMOSA NETWORKS INC·Filed 2017·Granted Sep 22, 2020·11 cites·20 claims
- 0991US9246571B2Method and apparatus of beam training for MIMO operationMEDIATEK SINGAPORE PTE LTD·Filed 2015·Granted Jan 26, 2016·9 cites·16 claims
- 1091US9048894B2Method and apparatus of beam training for MIMO operationMEDIATEKK SINGAPORE PTE LTD·Filed 2013·Granted Jun 2, 2015·19 cites·16 claims
- 1188US7986712B2Cellular communication system and method for broadcast communicationIPWIRELESS INC·Filed 2006·Granted Jul 26, 2011·11 cites·33 claims
- 1286US8391383B2Dynamic tone grouping and encoding for multi-carrier quadrature amplitude in OFDMPONNAMPALAM VISHAKAN·Filed 2010·Granted Mar 5, 2013·11 cites·25 claims
- 1385US8085864B2Midamble allocations for MIMO transmissionsPONNAMPALAM VISHAKAN·Filed 2010·Granted Dec 27, 2011·5 cites·20 claims
- 1484US8761283B2MIMO channel matrix feedback in OFDM systemsPONNAMPALAM VISHAKAN·Filed 2011·Granted Jun 24, 2014·7 cites·18 claims
- 1583US8737530B2Midamble allocations for MIMO transmissionsPONNAMPALAM VISHAKAN·Filed 2011·Granted May 27, 2014·4 cites·16 claims
- 1683US7684372B2Signaling MIMO allocationsIPWIRELESS INC·Filed 2004·Granted Mar 23, 2010·25 cites·11 claims
- 1780US7664090B2Intra-frame code diversityIPWIRELESS INC·Filed 2005·Granted Feb 16, 2010·8 cites·22 claims
- 1879US10574311B2Integrity and quality monitoring and signaling for sounding and reduced feedbackMEDIATEK SINGAPORE PTE LTD·Filed 2018·Granted Feb 25, 2020·2 cites·20 claims
- 1976US8229008B2Interference mitigation for orthogonal frequency division multiplexing communicationJONES ALAN EDWARD·Filed 2005·Granted Jul 24, 2012·6 cites·49 claims
- 2075US11019503B2Multi-hop wireless network plannningFACEBOOK INC·Filed 2019·Granted May 25, 2021·2 cites·20 claims
- 2175US8045599B2Selection of training sequences for multiple-in multiple-out transmissionsSONY CORP·Filed 2005·Granted Oct 25, 2011·4 cites·54 claims
- 2271US8804559B2Methods for monitoring channel sounding quality in WLAN devicesLIU JIANHAN·Filed 2011·Granted Aug 12, 2014·3 cites·18 claims
- 2370US8391390B2Methods and apparatus for determining beamforming transformations for each of a plurality of subcarriers in a MIMO communications channelPONNAMPALAM VISHAKAN·Filed 2008·Granted Mar 5, 2013·4 cites·18 claims
- 2469US8428085B2Cellular communication system and method for broadcast communicationPONNAMPALAM VISHAKAN·Filed 2011·Granted Apr 23, 2013·1 cites·15 claims
- 2568US8811466B2Selection of training sequences for multiple-in multiple-out transmissionsSONY CORP·Filed 2013·Granted Aug 19, 2014·1 cites·20 claims
- 2667US10536860B2Multi-hop wireless network planningFACEBOOK INC·Filed 2017·Granted Jan 14, 2020·1 cites·20 claims
- 2767US8090053B2Midamble allocations for MIMO transmissionsPONNAMPALAM VISHAKAN·Filed 2010·Granted Jan 3, 2012·1 cites·22 claims
- 2864US9941940B2Sectorized beam operation for wireless networksMEDIATEK SINGAPORE PTE LTD·Filed 2013·Granted Apr 10, 2018·1 cites·7 claims
- 2962US8098754B2Midamble allocations for MIMO transmissionsPONNAMPALAM VISHAKAN·Filed 2005·Granted Jan 17, 2012·1 cites·19 claims
- 3061US9258070B2Simultaneous feedback signaling for dynamic bandwidth selectionWANG JAMES JUNE-MING·Filed 2011·Granted Feb 9, 2016·1 cites·18 claims
- 3158US8718180B2Multi-antenna wireless communications method and apparatus with vector perturbation with a reduced latticeVETTER HENNING·Filed 2009·Granted May 6, 2014·2 cites·13 claims
- 3257US9432103B2Selection of training sequences for Multiple-In Multiple-Out transmissionsSONY CORP·Filed 2014·Granted Aug 30, 2016·0 cites·18 claims
- 3357US8867664B2Midamble allocations for MIMO transmissionsSONY CORP·Filed 2013·Granted Oct 21, 2014·0 cites·2 claims
- 3457US8837554B2Selection of training sequences for multiple-in multiple-out transmissionsSONY CORP·Filed 2013·Granted Sep 16, 2014·0 cites·20 claims
- 3553US8428084B2Cellular communication system and method for broadcast communicationPONNAMPALAM VISHAKAN·Filed 2011·Granted Apr 23, 2013·0 cites·15 claims
- 3653US8428082B2Cellular communication system and method for broadcast communicationPONNAMPALAM VISHAKAN·Filed 2011·Granted Apr 23, 2013·0 cites·14 claims
- 3753US8428083B2Cellular communication system and method for broadcast communicationPONNAMPALAM VISHAKAN·Filed 2011·Granted Apr 23, 2013·0 cites·15 claims
- 3853US2012008712A1Midamble allocations for mimo transmissionsPONNAMPALAM VISHAKAN·Filed 2011·Application pending·0 cites
- 3952US11152977B2Integrity and quality monitoring and signaling for sounding and reduced feedbackMEDIATEK SINGAPORE PTE LTD·Filed 2020·Granted Oct 19, 2021·0 cites·15 claims
- 4051US9277558B2Signaling MIMO allocationsBEALE MARTIN W·Filed 2011·Granted Mar 1, 2016·0 cites·17 claims
- 4151US2016329940A1Integrity and quality monitoring and signaling for sounding and reduced feedbackMEDIATEK SINGAPORE PTE LTD·Filed 2016·Application pending·0 cites
- 4251US2013294539A1Automatic selection of coherent and noncoherent transmissionSONY CORP·Filed 2013·Application pending·0 cites
- 4350US8514958B2Interference mitigation for orthogonal frequency division multiplexing communicationJONES ALAN EDWARD·Filed 2012·Granted Aug 20, 2013·0 cites·49 claims
- 4449US9088984B2Signaling MIMO allocationsBEALE MARTIN W·Filed 2010·Granted Jul 21, 2015·0 cites·4 claims
- 4548US2013058239A1Integrity and Quality Monitoring and Signaling for Sounding and Reduced FeedbackWANG JAMES JUNE-MING·Filed 2011·Application pending·0 cites
- 4648US2007110140A1Automatic selection of coherent and noncoherent transmission in a wireless communication systemIPWIRELESS INC·Filed 2005·Application pending·0 cites
- 4747US8681891B2Selection of training sequences for multiple-in multiple-out transmissionsDARWOOD PETER B·Filed 2011·Granted Mar 25, 2014·0 cites·27 claims
- 4846US2008075183A1Wireless communication apparatusTOSHIBA KK·Filed 2007·Application pending·0 cites
- 4946US2008181335A1Wireless communication apparatusTOSHIBA KK·Filed 2007·Application pending·0 cites
- 5039US2013107912A1WLAN Device and Method ThereofPONNAMPALAM VISHAKAN·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →