Inventor · disambiguated record
Christopher J. Hansen
Also filed as: HANSEN CHRISTOPHER · HANSEN CHRISTOPHER J · HANSEN CHRISTOPHER JAMES
149 granted patents·22 pending applications·1,909 citations·filing 2001–2021
99Inventor score
Top patents by PatentIndex Score
171 records- 0199US7940751B2Personal area network data encapsulation in WLAN communicationsBROADCOM CORP·Filed 2007·Granted May 10, 2011·225 cites·12 claims
- 0296US7894852B2Channel reciprocity matrix determination in a wireless MIMO communication systemBROADCOM CORP·Filed 2007·Granted Feb 22, 2011·36 cites·21 claims
- 0396US7558537B2Modified preamble for programmable transmitterBROADCOM CORP·Filed 2006·Granted Jul 7, 2009·42 cites·36 claims
- 0495US8737189B2Method and system for compromise greenfield preambles for 802.11nHANSEN CHRISTOPHER J·Filed 2005·Granted May 27, 2014·27 cites·13 claims
- 0595US7233773B2Configuring a MIMO communicationBROADCOM CORP·Filed 2004·Granted Jun 19, 2007·77 cites·15 claims
- 0694US8320877B2Method and system for 60 GHz location determination and coordination of WLAN/WPAN/GPS multimode devicesHANSEN CHRISTOPHER J·Filed 2012·Granted Nov 27, 2012·12 cites·20 claims
- 0794US7773565B2MIMO wireless communication greenfield preamble formatsBROADCOM CORP·Filed 2007·Granted Aug 10, 2010·25 cites·2 claims
- 0894US7564914B2Method and system for frame formats for MIMO channel measurement exchangeBROADCOM CORP·Filed 2005·Granted Jul 21, 2009·20 cites·36 claims
- 0993US8577416B2Transceiver with plural space hopping array antennas and methods for use therewithNANDAGOPALAN SAISHANKAR·Filed 2013·Granted Nov 5, 2013·12 cites·20 claims
- 1093US7924943B2Method and system for optional closed loop mechanism with adaptive modulations for multiple input multiple output (MIMO) wireless local area network (WLAN) systemBROADCOM CORP·Filed 2005·Granted Apr 12, 2011·27 cites·28 claims
- 1193US7555053B2Long training sequence for MIMO WLAN systemsBROADCOM CORP·Filed 2004·Granted Jun 30, 2009·52 cites·37 claims
- 1293US7516390B2LDPC (Low Density Parity Check) coding and interleaving implemented in MIMO communication systemsBROADCOM CORP·Filed 2005·Granted Apr 7, 2009·26 cites·29 claims
- 1393US7444134B2Device and method for transmitting long training sequence for wireless communicationsBROADCOM CORP·Filed 2005·Granted Oct 28, 2008·25 cites·23 claims
- 1492US8634777B2Pairing with directional code sequenceEKBATANI SIAVASH·Filed 2011·Granted Jan 21, 2014·23 cites·20 claims
- 1592US8345732B2Feedback of channel information in a closed loop beamforming wireless communication systemBROADCOM CORP·Filed 2006·Granted Jan 1, 2013·19 cites·20 claims
- 1692US8031806B2Mixed mode preamble for MIMO wireless communicationsBROADCOM CORP·Filed 2010·Granted Oct 4, 2011·11 cites·18 claims
- 1792US7701382B2Radar detection circuit for a WLAN transceiverBROADCOM CORP·Filed 2006·Granted Apr 20, 2010·21 cites·22 claims
- 1892US7269430B2Frame format for high data throughput wireless local area network transmissionsBROADCOM CORP·Filed 2004·Granted Sep 11, 2007·76 cites·20 claims
- 1991US8964521B2Method and system for compromise greenfield preambles for 802.11NBROADCOM CORP·Filed 2014·Granted Feb 24, 2015·10 cites·20 claims
- 2091US7590429B2RF transceiver configuring for a MIMO communicationBROADCOM CORP·Filed 2007·Granted Sep 15, 2009·17 cites·16 claims
- 2191US7324785B2Transmit power control of wireless communication devicesBROADCOM CORP·Filed 2001·Granted Jan 29, 2008·49 cites·29 claims
- 2290US8041333B2Method and system for 60 GHz antenna adaptation and user coordination based on base station beaconsBROADCOM CORP·Filed 2007·Granted Oct 18, 2011·13 cites·25 claims
- 2390US7617439B2Algebraic construction of LDPC (Low Density Parity Check) codes with corresponding parity check matrix having CSI (Cyclic Shifted Identity) sub-matricesBROADCOM CORP·Filed 2005·Granted Nov 10, 2009·21 cites·42 claims
- 2490US7593868B2Systems and methods for providing contextual advertising information via a communication networkINNOVATION INTERACTIVE LLC·Filed 2004·Granted Sep 22, 2009·271 cites·11 claims
- 2590US7586881B2MIMO wireless communication greenfield preamble formatsBROADCOM CORP·Filed 2004·Granted Sep 8, 2009·46 cites·16 claims
- 2690US7417974B2Transmitting high rate data within a MIMO WLANBROADCOM CORP·Filed 2004·Granted Aug 26, 2008·51 cites·12 claims
- 2790US7162204B2Configurable spectral mask for use in a high data throughput wireless communicationBROADCOM CORP·Filed 2004·Granted Jan 9, 2007·48 cites·24 claims
- 2889US7865142B2Method and system for multisession bluetooth communication using multiple physical (PHY) layersBROADCOM CORP·Filed 2007·Granted Jan 4, 2011·12 cites·32 claims
- 2989US7423989B2Preamble formats for MIMO wireless communicationsBROADCOM CORP·Filed 2004·Granted Sep 9, 2008·30 cites·24 claims
- 3089US7158759B2Dynamic frequency selection in a wireless communication networkBROADCOM CORP·Filed 2001·Granted Jan 2, 2007·45 cites·37 claims
- 3188US8553659B2Method and system for optimal beamforming in wireless networksNANDAGOPALAN SAISHANKAR·Filed 2009·Granted Oct 8, 2013·13 cites·23 claims
- 3288US7583933B2Dynamic frequency selection in a wireless communication networkBROADCOM CORP·Filed 2006·Granted Sep 1, 2009·13 cites·13 claims
- 3388US7539501B2High data throughput wireless local area network receiverBROADCOM CORP·Filed 2004·Granted May 26, 2009·40 cites·36 claims
- 3488US7020220B2Digital estimation and correction of I/Q mismatch in direct conversion receiversBROADCOM CORP·Filed 2002·Granted Mar 28, 2006·53 cites·21 claims
- 3587US8284867B2Mixed mode preamble for MIMO wireless communicationsTRACHEWSKY JASON A·Filed 2011·Granted Oct 9, 2012·6 cites·20 claims
- 3687US7978729B2High data throughput WLAN frame formatBROADCOM CORP·Filed 2007·Granted Jul 12, 2011·12 cites·16 claims
- 3786US8548087B2Long training sequence for MIMO WLAN systemsTRACHEWSKY JASON A·Filed 2012·Granted Oct 1, 2013·6 cites·20 claims
- 3886US7502408B2RF transceiver having adaptive modulationBROADCOM CORP·Filed 2005·Granted Mar 10, 2009·13 cites·14 claims
- 3986US7242961B2Channel reciprocity matrix determination in a wireless MIMO communication systemBROADCOM CORP·Filed 2005·Granted Jul 10, 2007·12 cites·20 claims
- 4085US8190162B2Radar detection circuit for a WLAN transceiverHANSEN CHRISTOPHER J·Filed 2006·Granted May 29, 2012·11 cites·32 claims
- 4185US8126425B2Method and system for 60 GHZ location determination based on varying antenna direction and coordination of WLAN/WPAN/GPS multimode devicesHANSEN CHRISTOPHER J·Filed 2011·Granted Feb 28, 2012·5 cites·20 claims
- 4285US8094749B2Signaling format for wireless communicationsHANSEN CHRISTOPHER J·Filed 2009·Granted Jan 10, 2012·9 cites·30 claims
- 4385US7957450B2Method and system for frame formats for MIMO channel measurement exchangeBROADCOM CORP·Filed 2009·Granted Jun 7, 2011·8 cites·22 claims
- 4485US7570619B2Long training sequence method and device for wireless communicationsBROADCOM CORP·Filed 2005·Granted Aug 4, 2009·10 cites·21 claims
- 4584US7912449B2Method and system for 60 GHz location determination and coordination of WLAN/WPAN/GPS multimode devicesBROADCOM CORP·Filed 2007·Granted Mar 22, 2011·8 cites·25 claims
- 4684US7400643B2Transmission of wide bandwidth signals in a network having legacy devicesBROADCOM CORP·Filed 2004·Granted Jul 15, 2008·30 cites·9 claims
- 4783US8644770B2Protocol adaptation layer for wireless communicationsNANDAGOPALAN SAISHANKAR·Filed 2009·Granted Feb 4, 2014·7 cites·20 claims
- 4883US7974591B2Modified preamble for programmable transmitterBROADCOM CORP·Filed 2009·Granted Jul 5, 2011·8 cites·19 claims
- 4982US8032167B2Multimode control device for allocating resources to communication devices that use differing protocols and methods for use therewithBROADCOM CORP·Filed 2009·Granted Oct 4, 2011·8 cites·20 claims
- 5082US7796696B2Asymmetrical multiple stream wireless communication using STBCBROADCOM CORP·Filed 2005·Granted Sep 14, 2010·10 cites·21 claims
Showing the top 50 of 171 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →