Issued Patents All Time
Showing 176–192 of 192 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7477635 | Platform noise mitigation in OFDM receivers | Yongfang Guo, Qinghua Li | 2009-01-13 |
| 7460082 | Sectored antenna systems for WLAN | Qinghua Li | 2008-12-02 |
| 7408908 | Variable SDMA ACK timeout | Qinghua Li, Minnie Ho, Adrian P. Stephens | 2008-08-05 |
| 7379445 | Platform noise mitigation in OFDM receivers | Yongfang Guo, Qinghua Li | 2008-05-27 |
| 7366473 | Method and apparatus for diversity switching control | Qinghua Li, Allen Bettner | 2008-04-29 |
| 7366245 | Calibration in MIMO systems | Qinghua Li | 2008-04-29 |
| 7362822 | Recursive reduction of channel state feedback | Qinghua Li | 2008-04-22 |
| 7356323 | Antenna selection for diversity combining | Qinghua Li | 2008-04-08 |
| 7348928 | Slot antenna having a MEMS varactor for resonance frequency tuning | Qing Ma, Al Bettner | 2008-03-25 |
| 7289770 | Compact feedback for closed loop MIMO | Qinghua Li | 2007-10-30 |
| 7279989 | Apparatus, system and method capable of clock noise mitigation using a frequency adaptive process | Al Bettner, Kevin P. Slattery | 2007-10-09 |
| 7263147 | Low bit error rate antenna switch for wireless communications | Qinghua Li, Minnie Ho | 2007-08-28 |
| 7236748 | Closed loop feedback in MIMO systems | Qinghua Li | 2007-06-26 |
| 7206550 | Antenna subsystem calibration apparatus and methods in spatial-division multiple-access systems | Qinghua Li | 2007-04-17 |
| 7176842 | Dual band slot antenna | Allen Bettner, Alan E. Waltho | 2007-02-13 |
| 7154313 | Wideband spread spectrum clock | Qinghua Li | 2006-12-26 |
| 7002518 | Low profile sector antenna configuration | Qinghua Li, Alan E. Waltho, Allen Bettner | 2006-02-21 |