Inventor · disambiguated record
Guanghan Xu
Also filed as: XU GUANGHAN
27 granted patents·2 pending applications·1,508 citations·filing 1996–2010
98Inventor score
Files withNAVINI NETWORKS INC9CWILL TELECOMMUNICATIONS INC7CISCO TECH INC3LI HANG3CWILL TELECOMMUNICATION INC2
Top patents by PatentIndex Score
29 records- 0197US8289914B2Signal transmission method and apparatus used in OFDMA wireless communication systemLI HANG·Filed 2008·Granted Oct 16, 2012·93 cites·15 claims
- 0295US7062276B2Method and system for reducing wireless multi-cell interferences through segregated channel assignments and segregated antenna beamsNAVINI NETWORKS INC·Filed 2005·Granted Jun 13, 2006·36 cites·26 claims
- 0394US6195045B1Adaptive antenna array system calibrationCWILL TELECOMMUNICATION INC·Filed 2000·Granted Feb 27, 2001·89 cites·25 claims
- 0494US6122260ASmart antenna CDMA wireless communication systemCIVIL TELECOMMUNICATIONS INC·Filed 1996·Granted Sep 19, 2000·237 cites·75 claims
- 0592US6980527B1Smart antenna CDMA wireless communication systemCWILL TELECOMMUNICATIONS INC·Filed 2000·Granted Dec 27, 2005·74 cites·75 claims
- 0691US6907246B2Method and system for reducing wireless multi-cell interferences through segregated channel assignments and segregated antenna beamsNAVINI NETWORKS INC·Filed 2001·Granted Jun 14, 2005·60 cites·5 claims
- 0790US7885604B2Method and system for interference reductionCISCO TECH INC·Filed 2006·Granted Feb 8, 2011·17 cites·32 claims
- 0890US7349504B2Method and system for mitigating interference in communication systemNAVINI NETWORKS INC·Filed 2005·Granted Mar 25, 2008·18 cites·18 claims
- 0990US7151755B2Method and system for multi-cell interference reduction in a wireless communication systemNAVINI NETWORKS INC·Filed 2002·Granted Dec 19, 2006·45 cites·41 claims
- 1090US6904266B1Wireless enhancer using a switch matrixNAVINI NETWORKS INC·Filed 2002·Granted Jun 7, 2005·62 cites·45 claims
- 1188US6496535B2Method and system for effective channel estimation in a telecommunication systemNAVINI NETWORKS INC·Filed 2001·Granted Dec 17, 2002·50 cites·44 claims
- 1288US5905721AMethods for channel estimation and signal detection of CDMA signalsCWILL TELECOMMUNICATIONS INC·Filed 1996·Granted May 18, 1999·106 cites·4 claims
- 1386US7656936B2Method and system for interference reduction in a wireless communication network using a joint detectorCISCO TECH INC·Filed 2003·Granted Feb 2, 2010·32 cites·49 claims
- 1486US6124824AAdaptive antenna array system calibrationCWILL TELECOMMUNICATIONS INC·Filed 1999·Granted Sep 26, 2000·82 cites·29 claims
- 1586US6005854ASynchronous wireless access protocol method and apparatusCWILL TELECOMMUNICATION INC·Filed 1997·Granted Dec 21, 1999·153 cites·13 claims
- 1685US7068977B1Method and system for interference assessment and reduction in a wireless communication systemNAVINI NETWORKS INC·Filed 2002·Granted Jun 27, 2006·29 cites·10 claims
- 1782US6157340AAdaptive antenna array subsystem calibrationCWILL TELECOMMUNICATIONS INC·Filed 1998·Granted Dec 5, 2000·78 cites·32 claims
- 1882US5809063ACoherent detection architecture for remote calibration of coherent systems using direct sequence spread spectrum transmission of reference and calibration signalsGEN ELECTRIC·Filed 1996·Granted Sep 15, 1998·105 cites·11 claims
- 1978US6470057B1Method for timing recovery and compensation in time-division-duplex wireless communicationsCWILL TELECOMMUNICATIONS INC·Filed 1998·Granted Oct 22, 2002·65 cites·20 claims
- 2077US6856643B1Communication system and method for performing fast symbol estimation for multiple access disperse channelsCWILL TELECOMMUNICATIONS INC·Filed 2000·Granted Feb 15, 2005·19 cites·23 claims
- 2175US6834076B2Method and system for estimation and prediction of channel characteristics in mobile communicationsNAVINI NETWORKS INC·Filed 2002·Granted Dec 21, 2004·17 cites·26 claims
- 2273US8437788B2Method and apparatus for allocating radio resources in wireless communication systemLI HANG·Filed 2008·Granted May 7, 2013·6 cites·19 claims
- 2370US8086181B2Method and system for interference reductionWEE DANIEL·Filed 2010·Granted Dec 27, 2011·3 cites·20 claims
- 2469US8331269B2Method and device for transmitting voice in wireless systemLI HANG·Filed 2008·Granted Dec 11, 2012·4 cites·16 claims
- 2560US5982809AMethod and apparatus for carrier recovery and compensation in spread spectrum communicationsCWILL TELECOMMUNICATIONS INC·Filed 1997·Granted Nov 9, 1999·28 cites·11 claims
- 2651US2008160921A1Method and System for Mitigating Interference in Communication SystemCISCO TECH INC·Filed 2008·Application pending·0 cites
- 2749US8320317B2Ranging method and apparatus in wireless communication systemHUANG JUN·Filed 2008·Granted Nov 27, 2012·0 cites·17 claims
- 2842US2006293060A1Load balancing method for wireless communication systemsNAVINI NETWORKS INC·Filed 2005·Application pending·0 cites
- 2941US8174960B2Wireless communication system based on code spreading-orthogonal frequency division multiple access and smart antennaXU GUANGHAN·Filed 2008·Granted May 8, 2012·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →