Inventor · disambiguated record
Guozhu Long
Also filed as: LONG GUOZHU
56 granted patents·11 pending applications·1,078 citations·filing 1989–2019
98Inventor score
Files withCENTILLIUM COMMUNICATIONS INC12FUTUREWEI TECHNOLOGIES INC12HUAWEI TECH CO LTD5CENDRILLON RAPHAEL JEAN4CIRRUS LOGIC INC3
Top patents by PatentIndex Score
67 records- 0196US8432851B2Method, apparatus, and system for time synchronizationXU GUIJIN·Filed 2010·Granted Apr 30, 2013·131 cites·13 claims
- 0293US5991311ATime-multiplexed transmission on digital-subscriber lines synchronized to existing TCM-ISDN for reduced cross-talkCENTILLIUM TECHNOLOGY·Filed 1997·Granted Nov 23, 1999·189 cites·19 claims
- 0391US8693676B2Power efficiency of a line driverXIAO RUIJIE·Filed 2010·Granted Apr 8, 2014·32 cites·20 claims
- 0486US8537912B2Extremely high speed broadband access over copper pairsLONG GUOZHU·Filed 2011·Granted Sep 17, 2013·13 cites·12 claims
- 0586US6628704B1Equalizer training for ADSL transceivers under TCM-ISDN crosstalk environmentCENTILLIUM COMMUNICATIONS INC·Filed 2000·Granted Sep 30, 2003·61 cites·44 claims
- 0685US9641373B2Peak-to-average power ratio (PAPR) reduction in fronthaulsFUTUREWEI TECHNOLOGIES INC·Filed 2016·Granted May 2, 2017·5 cites·20 claims
- 0785US8670439B2Method for accurate distribution of time to a receiver node in an access networkWEI DONG·Filed 2011·Granted Mar 11, 2014·9 cites·22 claims
- 0884US10553737B2Photovoltaic assemblySUNMAN HONG KONG LTD·Filed 2019·Granted Feb 4, 2020·4 cites·20 claims
- 0984US6725176B1Loop diagnostics for ADSL systemsCENTILLIUNE COMMUNICATIONS INC·Filed 2002·Granted Apr 20, 2004·56 cites·26 claims
- 1082US4987569AFast training echo cancellerCODEX CORP·Filed 1989·Granted Jan 22, 1991·54 cites·42 claims
- 1180US9007989B2Method, apparatus, and system for time synchronizationHUAWEI TECH CO LTD·Filed 2013·Granted Apr 14, 2015·4 cites·20 claims
- 1280US6724849B1Method and apparatus for timing recovery in ADSL transceivers under a TCM-ISDN crosstalk environmentCENTILLIUM COMMUNICATIONS INC·Filed 2000·Granted Apr 20, 2004·29 cites·17 claims
- 1378US7009945B1Dual-mode analog/digital adaptive echo cancellation in communication systems with asymmetric spectrumCENTILLIUM COMMUNICATIONS INC·Filed 2004·Granted Mar 7, 2006·21 cites·18 claims
- 1477US6804267B1Transceiver training for DSL modems under TCM-ISDN interferenceCENTILLIUM COMMUNICATIONS INC·Filed 1999·Granted Oct 12, 2004·91 cites·32 claims
- 1576US9231754B2Method for accurate distribution of time to a receiver node in an access networkFUTUREWEI TECHNOLOGIES INC·Filed 2014·Granted Jan 5, 2016·3 cites·21 claims
- 1675US8280036B2Configuring the virtual noise parameters of a digital subscriber lineCENDRILLON RAPHAEL JEAN·Filed 2009·Granted Oct 2, 2012·5 cites·19 claims
- 1773US6865190B2Framing techniques for ADSL systemsCENTILLIUM COMMUNICATIONS INC·Filed 2001·Granted Mar 8, 2005·21 cites·24 claims
- 1870US7577084B2ISDN crosstalk cancellation in a DSL systemIKANOS COMM INC·Filed 2004·Granted Aug 18, 2009·12 cites·6 claims
- 1970US7486608B1Efficient implementation of low power mode in digital subscriber line (DSL) transceiversIKANOS COMMUNICATIONS INC·Filed 2003·Granted Feb 3, 2009·18 cites·16 claims
- 2070US7180936B1Techniques to avoid G.HS false start due to FEXTCENTILLIUM COMMUNICATIONS INC·Filed 2001·Granted Feb 20, 2007·16 cites·11 claims
- 2170US7177350B1Receiver transparent quiescent mode operation in a DSL transmission systemCENTILLIUM COMMUNICATIONS INC·Filed 2002·Granted Feb 13, 2007·16 cites·8 claims
- 2269US10778364B2Reduced power consumption for digital signal processing (DSP)-based reception in time-division multiplexing (TDM) passive optical networks (PONs)FUTUREWEI TECHNOLOGIES INC·Filed 2018·Granted Sep 15, 2020·1 cites·22 claims
- 2369US8432955B2Method for robust crosstalk precoder training in channels with impulse noiseCENDRILLON RAPHAEL JEAN·Filed 2010·Granted Apr 30, 2013·2 cites·20 claims
- 2468US10063278B2Reducing the feedback overhead during crosstalk precoder initializationFUTUREWEI TECHNOLOGIES INC·Filed 2016·Granted Aug 28, 2018·1 cites·20 claims
- 2568US6236714B1Transmit power control for DSL modems in splitterless environmentCENTILLIUM COMMUNICATIONS INC·Filed 1999·Granted May 22, 2001·43 cites·24 claims
- 2666US8442175B2Method, apparatus, and system for time synchronization of XDSLXU GUIJIN·Filed 2011·Granted May 14, 2013·2 cites·28 claims
- 2765US8750492B2Reducing the feedback overhead during crosstalk precoder initializationCENDRILLON RAPHAEL JEAN·Filed 2010·Granted Jun 10, 2014·1 cites·11 claims
- 2865US7058152B2Method and apparatus for timing recovery in ADSL transceivers under a TCM-ISDN crosstalk environmentCENTILLIUM COMMUNICATIONS INC·Filed 2004·Granted Jun 6, 2006·9 cites·5 claims
- 2964US8886986B2Clock synchronization method, customer premises equipment and clock synchronization systemXU GUIJIN·Filed 2012·Granted Nov 11, 2014·2 cites·14 claims
- 3064US7720633B2Bivariate histogram for impulse noise monitorFUTUREWEI TECHNOLOGIES INC·Filed 2008·Granted May 18, 2010·2 cites·20 claims
- 3163US8774256B2Method for robust crosstalk precoder training in channels with impulse noiseFUTUREWEI TECHNOLOGIES INC·Filed 2013·Granted Jul 8, 2014·1 cites·16 claims
- 3263US7260117B2Synchronizing initial handshake in ADSL annex C to TTRCENTILLIUM COMMUNICATIONS INC·Filed 2002·Granted Aug 21, 2007·10 cites·9 claims
- 3362US6240141B1Lower-complexity peak-to-average reduction using intermediate-result subset sign-inversion for DSLCENTILLIUM COMMUNICATIONS INC·Filed 1998·Granted May 29, 2001·48 cites·20 claims
- 3461US9680525B2Signal processing method in DSL system, apparatus, and systemHUAWEI TECH CO LTD·Filed 2015·Granted Jun 13, 2017·1 cites·15 claims
- 3559US9288152B2Pre-fill retransmission queueFUTUREWEI TECHNOLOGIES INC·Filed 2013·Granted Mar 15, 2016·1 cites·20 claims
- 3658US9462116B2Reducing the feedback overhead during crosstalk precoder initializationFUTUREWEI TECHNOLOGIES INC·Filed 2014·Granted Oct 4, 2016·0 cites·10 claims
- 3758US8565418B2Method, device and system for extending channelsLI CHENG·Filed 2012·Granted Oct 22, 2013·1 cites·8 claims
- 3858US7376157B1Synchronizing ADSL Annex C transceivers to TTRCENTILLIUM COMMUNICATIONS INC·Filed 2002·Granted May 20, 2008·5 cites·21 claims
- 3956US6560276B1Synchronization techniques using an interpolation filterINTEL CORP·Filed 1998·Granted May 6, 2003·37 cites·13 claims
- 4055US5319636ADevice and method for linear listener echo cancellationCODEX CORP·Filed 1991·Granted Jun 7, 1994·21 cites·48 claims
- 4154US5926505ADevice, system, and method for modem communication utilizing two-step mappingCIRRUS LOGIC INC·Filed 1996·Granted Jul 20, 1999·30 cites·2 claims
- 4252US8468437B2Filtering method, system and equipmentZHANG PENGRUI·Filed 2012·Granted Jun 18, 2013·1 cites·9 claims
- 4352US5406552ADevice and method for linear listener echo cancellationMOTOROLA INC·Filed 1994·Granted Apr 11, 1995·17 cites·19 claims
- 4451US9036813B2Power efficiency of a line driverFUTUREWEI TECHNOLOGIES INC·Filed 2014·Granted May 19, 2015·0 cites·20 claims
- 4551US6134265APrecoding coefficient training in a V.34 modemCIRRUS LOGIC INC·Filed 1996·Granted Oct 17, 2000·26 cites·21 claims
- 4650US8811600B2Optimizing the transmit power spectrum density (PSD) of a remotely deployed line to ensure spectral compatibilityCENDRILLON RAPHAEL JEAN·Filed 2009·Granted Aug 19, 2014·0 cites·25 claims
- 4750US8442131B2Power reduction for digital subscriber lineLONG GUOZHU·Filed 2009·Granted May 14, 2013·0 cites·15 claims
- 4850US8243844B2Power reduction for digital subscriber lineLONG GUOZHU·Filed 2008·Granted Aug 14, 2012·0 cites·19 claims
- 4949US10135602B2Method, apparatus, and system for time synchronization of XDSLHUAWEI TECH CO LTD·Filed 2013·Granted Nov 20, 2018·0 cites·16 claims
- 5049US2004258000A1Automatic mode selection in Annex CFiled 2004·Application pending·0 cites
Showing the top 50 of 67 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →