Inventor
PONNAMPALAM VISHAKAN
GB42 patents
⚠️ This page may combine multiple inventors who share the name “PONNAMPALAM VISHAKAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PONNAMPALAM VISHAKAN
11 patentsUS8761283B2Jun 24, 2014
MIMO channel matrix feedback in OFDM systems
PONNAMPALAM VISHAKAN7 citations84
US8737530B2May 27, 2014
Midamble allocations for MIMO transmissions
PONNAMPALAM VISHAKAN4 citations83
US8391383B2Mar 5, 2013
Dynamic tone grouping and encoding for multi-carrier quadrature amplitude in OFDM
PONNAMPALAM VISHAKAN11 citations82
US8085864B2Dec 27, 2011
Midamble allocations for MIMO transmissions
PONNAMPALAM VISHAKAN5 citations72
US8391390B2Mar 5, 2013
Methods and apparatus for determining beamforming transformations for each of a plurality of subcarriers in a MIMO communications channel
PONNAMPALAM VISHAKAN4 citations62
US8428085B2Apr 23, 2013
Cellular communication system and method for broadcast communication
PONNAMPALAM VISHAKAN1 citations61
US8098754B2Jan 17, 2012
Midamble allocations for MIMO transmissions
PONNAMPALAM VISHAKAN1 citations61
US8090053B2Jan 3, 2012
Midamble allocations for MIMO transmissions
PONNAMPALAM VISHAKAN1 citations61
US8428082B2Apr 23, 2013
Cellular communication system and method for broadcast communication
PONNAMPALAM VISHAKAN0 citations52
US8428083B2Apr 23, 2013
Cellular communication system and method for broadcast communication
PONNAMPALAM VISHAKAN0 citations51
US8428084B2Apr 23, 2013
Cellular communication system and method for broadcast communication
PONNAMPALAM VISHAKAN0 citations51
MIMOSA NETWORKS INC
5 patentsUS9888485B2Feb 6, 2018
Channel optimization in half duplex communications systems
MIMOSA NETWORKS INC35 citations97
US9693388B2Jun 27, 2017
Wireless access points providing hybrid 802.11 and scheduled priority access communications
MIMOSA NETWORKS INC39 citations97
US9504049B2Nov 22, 2016
Channel optimization in half duplex communications systems
MIMOSA NETWORKS INC38 citations97
US10616903B2Apr 7, 2020
Channel optimization in half duplex communications systems
MIMOSA NETWORKS INC17 citations93
US10785608B2Sep 22, 2020
Wireless access points providing hybrid 802.11 and scheduled priority access communications
MIMOSA NETWORKS INC11 citations85
SONY CORP
5 patentsUS8045599B2Oct 25, 2011
Selection of training sequences for multiple-in multiple-out transmissions
SONY CORP4 citations72
US8811466B2Aug 19, 2014
Selection of training sequences for multiple-in multiple-out transmissions
SONY CORP1 citations61
US9432103B2Aug 30, 2016
Selection of training sequences for Multiple-In Multiple-Out transmissions
SONY CORP0 citations51
US8867664B2Oct 21, 2014
Midamble allocations for MIMO transmissions
SONY CORP0 citations51
US8837554B2Sep 16, 2014
Selection of training sequences for multiple-in multiple-out transmissions
SONY CORP0 citations51
MEDIATEK SINGAPORE PTE LTD
4 patentsUS9246571B2Jan 26, 2016
Method and apparatus of beam training for MIMO operation
MEDIATEK SINGAPORE PTE LTD9 citations83
US10574311B2Feb 25, 2020
Integrity and quality monitoring and signaling for sounding and reduced feedback
MEDIATEK SINGAPORE PTE LTD2 citations73
US11152977B2Oct 19, 2021
Integrity and quality monitoring and signaling for sounding and reduced feedback
MEDIATEK SINGAPORE PTE LTD0 citations52
US9941940B2Apr 10, 2018
Sectorized beam operation for wireless networks
MEDIATEK SINGAPORE PTE LTD1 citations52