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Guanghan Xu
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Austin, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method and system for interference reduction
Patent number
8,086,181
Issue date
Dec 27, 2011
Cisco Technology, Inc.
Daniel Wee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for interference reduction
Patent number
7,885,604
Issue date
Feb 8, 2011
Cisco Technology, Inc.
Daniel Wee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for interference reduction in a wireless communic...
Patent number
7,656,936
Issue date
Feb 2, 2010
Cisco Technology, Inc.
Hang Li
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for mitigating interference in communication system
Patent number
7,349,504
Issue date
Mar 25, 2008
Navini Networks, Inc.
Hang Li
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for multi-cell interference reduction in a wirele...
Patent number
7,151,755
Issue date
Dec 19, 2006
Navini Networks, Inc.
Guanghan Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for interference assessment and reduction in a wi...
Patent number
7,068,977
Issue date
Jun 27, 2006
Navini Networks, Inc.
Weidong Yang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for reducing wireless multi-cell interferences th...
Patent number
7,062,276
Issue date
Jun 13, 2006
Navini Networks, Inc.
Guanghan Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Smart antenna CDMA wireless communication system
Patent number
6,980,527
Issue date
Dec 27, 2005
Cwill Telecommunications, Inc.
Hui Liu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for reducing wireless multi-cell interferences th...
Patent number
6,907,246
Issue date
Jun 14, 2005
Navini Networks, Inc.
Guanghan Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless enhancer using a switch matrix
Patent number
6,904,266
Issue date
Jun 7, 2005
Navini Networks, Inc.
Hang Jin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication system and method for performing fast symbol estimati...
Patent number
6,856,643
Issue date
Feb 15, 2005
Cwill Telecommunications, Inc.
Weidong Yang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for estimation and prediction of channel characte...
Patent number
6,834,076
Issue date
Dec 21, 2004
Navini Networks, Inc.
Guanghan Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and system for effective channel estimation in a telecommuni...
Patent number
6,496,535
Issue date
Dec 17, 2002
Navini Networks, Inc.
Guanghan Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for timing recovery and compensation in time-division-duplex...
Patent number
6,470,057
Issue date
Oct 22, 2002
Cwill Telecommunications, Inc.
Liu Hui
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Adaptive antenna array system calibration
Patent number
6,195,045
Issue date
Feb 27, 2001
Cwill Telecommunication, Inc.
Guanghan Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Adaptive antenna array subsystem calibration
Patent number
6,157,340
Issue date
Dec 5, 2000
Cwill Telecommunications, Inc.
Guanghan Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Adaptive antenna array system calibration
Patent number
6,124,824
Issue date
Sep 26, 2000
Cwill Telecommunications, Inc.
Guanghan Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Smart antenna CDMA wireless communication system
Patent number
6,122,260
Issue date
Sep 19, 2000
Civil Telecommunications, Inc.
Hui Liu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Synchronous wireless access protocol method and apparatus
Patent number
6,005,854
Issue date
Dec 21, 1999
Cwill Telecommunication, Inc.
Guanghan Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for carrier recovery and compensation in sprea...
Patent number
5,982,809
Issue date
Nov 9, 1999
Cwill Telecommunications, Inc.
Hui Liu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Methods for channel estimation and signal detection of CDMA signals
Patent number
5,905,721
Issue date
May 18, 1999
Cwill Telecommunications, Inc.
Hui Liu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Coherent detection architecture for remote calibration of coherent...
Patent number
5,809,063
Issue date
Sep 15, 1998
General Electric Company
Jeffrey Michael Ashe
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND SYSTEM FOR INTERFERENCE REDUCTION
Publication number
20110076954
Publication date
Mar 31, 2011
Cisco Technology, Inc.
Daniel Wee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and System for Mitigating Interference in Communication System
Publication number
20080160921
Publication date
Jul 3, 2008
CISCO TECHNOLOGY INC.
Hang Li
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and system for interference reduction
Publication number
20070010203
Publication date
Jan 11, 2007
Navini Networks, Inc.
Daniel Wee
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Load balancing method for wireless communication systems
Publication number
20060293060
Publication date
Dec 28, 2006
Navini Networks, Inc.
Weidong Yang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and system for mitigating interference in communication system
Publication number
20060210001
Publication date
Sep 21, 2006
Navini Networks Inc.
Hang Li
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and system for reducing wireless multi-cell interferences th...
Publication number
20050202784
Publication date
Sep 15, 2005
Navini Networks, Inc.
Guanghan Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and system for interference reduction in a wireless communic...
Publication number
20040146024
Publication date
Jul 29, 2004
Navini Networks, Inc.
Hang Li
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and system for multi-cell interference reduction in a wirele...
Publication number
20040081121
Publication date
Apr 29, 2004
Navini Networks, Inc.
Guanghan Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and system for reducing wireless multi-cell interferences th...
Publication number
20030211831
Publication date
Nov 13, 2003
Navini Networks, Inc.
Guanghan Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and system for effective channel estimation in a telecommuni...
Publication number
20030053523
Publication date
Mar 20, 2003
Navini Networks, Inc.
Guanghan Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
METHOD AND SYSTEM FOR EFFECTIVE CHANNEL ESTIMATION IN A TELECOMMUNI...
Publication number
20020172269
Publication date
Nov 21, 2002
Guanghan Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE