Inventor
XU GUANGHAN
US27 patents
⚠️ This page may combine multiple inventors who share the name “XU GUANGHAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NAVINI NETWORKS INC
8 patentsUS6907246B2Jun 14, 2005
Method and system for reducing wireless multi-cell interferences through segregated channel assignments and segregated antenna beams
NAVINI NETWORKS INC60 citations96
US6496535B2Dec 17, 2002
Method and system for effective channel estimation in a telecommunication system
NAVINI NETWORKS INC50 citations96
US6904266B1Jun 7, 2005
Wireless enhancer using a switch matrix
NAVINI NETWORKS INC62 citations95
US7151755B2Dec 19, 2006
Method and system for multi-cell interference reduction in a wireless communication system
NAVINI NETWORKS INC45 citations92
US7068977B1Jun 27, 2006
Method and system for interference assessment and reduction in a wireless communication system
NAVINI NETWORKS INC29 citations92
US7062276B2Jun 13, 2006
Method and system for reducing wireless multi-cell interferences through segregated channel assignments and segregated antenna beams
NAVINI NETWORKS INC36 citations92
US6834076B2Dec 21, 2004
Method and system for estimation and prediction of channel characteristics in mobile communications
NAVINI NETWORKS INC17 citations92
US7349504B2Mar 25, 2008
Method and system for mitigating interference in communication system
NAVINI NETWORKS INC18 citations84
CWILL TELECOMMUNICATIONS INC
7 patentsUS6980527B1Dec 27, 2005
Smart antenna CDMA wireless communication system
CWILL TELECOMMUNICATIONS INC74 citations98
US5905721AMay 18, 1999
Methods for channel estimation and signal detection of CDMA signals
CWILL TELECOMMUNICATIONS INC106 citations98
US6157340ADec 5, 2000
Adaptive antenna array subsystem calibration
CWILL TELECOMMUNICATIONS INC78 citations95
US6124824ASep 26, 2000
Adaptive antenna array system calibration
CWILL TELECOMMUNICATIONS INC82 citations95
US6470057B1Oct 22, 2002
Method for timing recovery and compensation in time-division-duplex wireless communications
CWILL TELECOMMUNICATIONS INC65 citations93
US5982809ANov 9, 1999
Method and apparatus for carrier recovery and compensation in spread spectrum communications
CWILL TELECOMMUNICATIONS INC28 citations92
US6856643B1Feb 15, 2005
Communication system and method for performing fast symbol estimation for multiple access disperse channels
CWILL TELECOMMUNICATIONS INC19 citations84
LI HANG
3 patentsUS8289914B2Oct 16, 2012
Signal transmission method and apparatus used in OFDMA wireless communication system
LI HANG93 citations98
US8437788B2May 7, 2013
Method and apparatus for allocating radio resources in wireless communication system
LI HANG6 citations70
US8331269B2Dec 11, 2012
Method and device for transmitting voice in wireless system
LI HANG4 citations62