Inventor
Qinfang Sun
Inventor
Cupertino, CA, US
Overview
Patents· 39 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication42%
G01SRadio direction-finding40%
H04BTransmission14%
H04WWireless communication networks4%
PatentTitleYear
9,253,742'Fine timing for high throughput packets'20169,197,374'Repetition coding for a wireless system'20159,131,522'Time-frequency scheduling to improve multi-radio coexistence'20159,065,686'Spur detection, cancellation and tracking in a wireless signal receiver'20158,989,294'Multiple-input multiple-output system and method'20158,923,421'Repetition coding for a wireless system'20148,884,818'Calibration and blanking in system simultaneously receiving GPS and GLONASS signals'20148,855,171'Satellite signal acquisition'20148,824,606'Multiple correlators for communication device detection'20148,780,958'Hybrid bit extraction for global position receiver'20148,755,472'High sensitivity GPS receiver'20148,754,809'High sensitivity GLONASS/GPS automatic frequency control'20148,675,561'WiFi distance measurement using location packets'20148,654,008'Multi-stage GLONASS/GPS automatic frequency control'20148,599,953'Multiple-input multiple-output system and method'20138,587,477'Analog front end for system simultaneously receiving GPS and GLONASS signals'20138,538,682'Systems and methods for satellite navigation using locally generated ephemeris data'20138,509,362'High sensitivity GPS receiver'20138,410,979'Digital front end in system simultaneously receiving GPS and GLONASS signals'20138,405,546'Engines in system simultaneously receiving GPS and GLONASS signals'20138,384,592'FFT based acquisition techniques for satellite based navigation systems'20138,335,283'Weak signal detection in wireless communication systems'20128,334,805'Digital front end for a satellite navigation receiver'20128,270,457'High sensitivity GPS receiver'20128,207,890'Providing ephemeris data and clock corrections to a satellite navigation system receiver'20128,144,683'High throughput fine timing'20128,073,072'Multiple-input multiple-output system and method'20118,059,734'MIMO equalization for wireless communication systems'20118,018,379'Automatic gain control in system simultaneously receiving GPS and GLONASS signals'20118,018,378'Satellite navigation receiver having a configurable acquisition engine'20118,000,227'Decision feedback channel estimation and pilot tracking for OFDM systems'20117,826,521'Rate adaptation using error vector magnitude'20107,800,531'High precision positioning system'20107,705,778'Satellite navigation receiver having configurable acquisition and tracking engines'20107,693,036'Decision feedback channel estimation and pilot tracking for OFDM systems'20107,623,467'Wireless channel estimation'20097,616,698'Multiple-input multiple output system and method'20097,418,042'Repetition coding for a wireless system'20087,039,004'Decision feedback channel estimation and pilot tracking for OFDM systems'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006–2011Patents assigned to ATHEROS COMM INC (10)· patent assignee history
2006–2015Based in Cupertino, CA, US· patent location history
2010–2016Based in Santa Clara, CA, US· patent location history
2011–2016Patents assigned to SUN QINFANG (23)· patent assignee history
2011–2012Patents assigned to QUALCOMM ATHEROS INC (7)· patent assignee history
2012–2016Patents assigned to QUALCOMM INC (22)· patent assignee history
2013–2014Patents assigned to ZHOU HAO (6)· patent assignee history
2015Based in San Jose, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SUN QINFANGself | 23 | 2011–2016 |
| QUALCOMM INC | 22 | 2012–2016 |
| ATHEROS COMM INC | 10 | 2006–2011 |
| QUALCOMM ATHEROS INC | 7 | 2011–2012 |
| ZHOU HAO | 6 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cupertino, California, US | 34 | 2006–2015 |
| Santa Clara, California, US | 4 | 2010–2016 |
| San Jose, California, US | 1 | 2015 |