Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7092405 | Vertical roaming in wireless networks through improved quality of service measures | Qian Zhang, Richard Yao, Wenwu Zhu | 2006-08-15 |
| 6982949 | Vertical roaming in wireless networks through improved wireless network cell boundary detection | Qian Zhang, Richard Yao, Wenwu Zhu | 2006-01-03 |
| 6944144 | Vertical roaming in wireless networks through improved quality of service measures | Qian Zhang, Richard Yao, Wenwu Zhu | 2005-09-13 |
| 6937591 | Quality of service differentiation in wireless networks | Wenwu Zhu, Qian Zhang, Jun Zhao | 2005-08-30 |