Inventor
Guanghan Xu
Inventor
Garland, TX, US
Overview
Patents· 28 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission38%
H04WWireless communication networks24%
H04LTransmission of digital information, e.g. telegraphic communication15%
H01QAntennas, i.e. radio aerials13%
H04JMultiplex communication7%
G01SRadio direction-finding2%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use2%
PatentTitleYear
11,095,024Radome for base station antenna20218,437,788'Method and apparatus for allocating radio resources in wireless communication system'20138,331,269'Method and device for transmitting voice in wireless system'20128,320,317'Ranging method and apparatus in wireless communication system'20128,289,914'Signal transmission method and apparatus used in OFDMA wireless communication system'20128,174,960'Wireless communication system based on code spreading-orthogonal frequency division multiple access and smart antenna'20128,086,181'Method and system for interference reduction'20117,885,604'Method and system for interference reduction'20117,656,936'Method and system for interference reduction in a wireless communication network using a joint detector'20107,349,504'Method and system for mitigating interference in communication system'20087,151,755'Method and system for multi-cell interference reduction in a wireless communication system'20067,068,977'Method and system for interference assessment and reduction in a wireless communication system'20067,062,276'Method and system for reducing wireless multi-cell interferences through segregated channel assignments and segregated antenna beams'20066,980,527'Smart antenna CDMA wireless communication system'20056,907,246'Method and system for reducing wireless multi-cell interferences through segregated channel assignments and segregated antenna beams'20056,904,266'Wireless enhancer using a switch matrix'20056,856,643'Communication system and method for performing fast symbol estimation for multiple access disperse channels'20056,834,076'Method and system for estimation and prediction of channel characteristics in mobile communications'20046,496,535'Method and system for effective channel estimation in a telecommunication system'20026,470,057'Method for timing recovery and compensation in time-division-duplex wireless communications'20026,195,045'Adaptive antenna array system calibration'20016,157,340'Adaptive antenna array subsystem calibration'20006,124,824'Adaptive antenna array system calibration'20006,122,260'Smart antenna CDMA wireless communication system'20006,005,854'Synchronous wireless access protocol method and apparatus'19995,982,809'Method and apparatus for carrier recovery and compensation in spread spectrum communications'19995,905,721'Methods for channel estimation and signal detection of CDMA signals'19995,809,063'Coherent detection architecture for remote calibration of coherent systems using direct sequence spread spectrum transmission of reference and calibration signals'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2005Based in Austin, TX, US· patent location history
1999–2005Patents assigned to CWILL TELECOMMUNICATIONS INC (7)· patent assignee history
2002–2008Patents assigned to NAVINI NETWORKS INC (8)· patent assignee history
2002–2011Based in Garland, TX, US· patent location history
2011–2013Patents assigned to LI HANG (6)· patent assignee history
2011–2013Patents assigned to XU GUANGHAN (6)· patent assignee history
2012–2013Patents assigned to BEIJING XINWEI TELECOM TECH CO (4)· patent assignee history
2012–2013Based in Beijing, CN· patent location history
2021Based in Suzhou, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NAVINI NETWORKS INC | 8 | 2002–2008 |
| CWILL TELECOMMUNICATIONS INC | 7 | 1999–2005 |
| LI HANG | 6 | 2011–2013 |
| XU GUANGHANself | 6 | 2011–2013 |
| BEIJING XINWEI TELECOM TECH CO | 4 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Garland, Texas, US | 12 | 2002–2011 |
| Austin, Texas, US | 10 | 1998–2005 |
| Beijing, CN | 5 | 2012–2013 |
| Suzhou, CN | 1 | 2021 |