Issued Patents All Time
Showing 201–225 of 225 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8064386 | Wireless communication method and apparatus for encoding and decoding beamforming vectors | Kyle Jung-Lin Pan | 2011-11-22 |
| 8019036 | Method and apparatus for correcting sampler clock frequency offset in OFDM MIMO systems | Peter J. Voltz, I-Tai Lu, Chang-Soo Koo, Qingyuan Dai, Yongwen Yang +1 more | 2011-09-13 |
| 7929409 | Orthogonal frequency division multiplexing (OFDM) method and apparatus for protecting and authenticating wirelessly transmitted digital information | Prabhakar R. Chitrapu, John Kaewell, Sung-Hyuk Shin, John E. Hoffmann, Richard Herschaft | 2011-04-19 |
| 7920533 | Method and apparatus for calibration and channel state feedback to support transmit beamforming in a MIMO system | Chang-Soo Koo, Jin Wang, Arty Chandra, Peter J. Voltz, Chia-Pang Yen | 2011-04-05 |
| 7881247 | Method and apparatus for providing efficient precoding feedback in a MIMO wireless communication system | Kyle Jung-Lin Pan, Donald M. Grieco | 2011-02-01 |
| 7881265 | Power loading transmit beamforming in MIMO-OFDM wireless communication systems | Chang-Soo Koo, Nirav B. Shah | 2011-02-01 |
| 7869536 | Method and apparatus for scaling a signal for improving performance of a receiver in a MIMO system | Yingxue Li | 2011-01-11 |
| 7864659 | Quality control scheme for multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems | Chang-Soo Koo | 2011-01-04 |
| 7773681 | Method and apparatus for estimating signal-to-noise ratio, noise power, and signal power | Chang-Soo Koo, Peter J. Voltz, I-Tai Lu, Qingyuan Dai | 2010-08-10 |
| 7742550 | Wireless communication apparatus using fast fourier transforms to create, optimize and incorporate a beam space antenna array in an orthogonal frequency division multiplexing receiver | Alexander Reznik, Philip J. Pietraski, Rui Yang | 2010-06-22 |
| 7643843 | Method and system for transmit power control in a multiple-input multiple-output wireless communication system | Jung-Lin Pan, Yingming Tsai | 2010-01-05 |
| 7630732 | Method and apparatus for generating feedback information for transmit power control in a multiple-input multiple-output wireless communication system | Jung-Lin Pan, Yingming Tsai | 2009-12-08 |
| 7602855 | Method and apparatus for singular value decomposition of a channel matrix | Chang-Soo Koo | 2009-10-13 |
| 7583982 | Method and apparatus to improve channel quality for use in wireless communications systems with multiple-input multiple-output (MIMO) antennas | Jaeyoung Kwak, Aykut Bultan | 2009-09-01 |
| 7532723 | Tokens/keys for wireless communications | Prabhakar R. Chitrapu, Alain Charles Briancon, Akinlolu Oloruntosi Kumoluyi, Alan G. Carlton, Kiran K. Vanganuru +9 more | 2009-05-12 |
| 7505529 | Method and apparatus for implementing space frequency block coding in an orthogonal frequency division multiplexing wireless communication system | Jaeyoung Kwak, Aykut Bultan, Eldad M. Zeira, Chang-Soo Koo, Fatih M. Ozluturk +2 more | 2009-03-17 |
| 7453964 | Wireless communication apparatus using fast fourier transforms to create, optimize and incorporate a beam space antenna array in an orthogonal frequency division multiplexing receiver | Alexander Reznik, Philip J. Pietraski, Rui Yang | 2008-11-18 |
| 7415043 | Code division multiple access (CDMA) method and apparatus for protecting and authenticating wirelessly transmitted digital information | John Kaewell, Prabhakar R. Chitrapu, Sung-Hyuk Shin, John E. Hoffmann, Alexander Reznik | 2008-08-19 |
| 7406130 | Method and system for optimization of channel estimation and synchronization in an OFDM-MIMO wireless communication system | Yuejin Huang, Chang-Soo Koo | 2008-07-29 |
| 7340281 | Method and system for enhancing reception of wireless communication signals | Eldad M. Zeira, Donald M. Grieco, Ariela Zeira, Jung-Lin Pan, Aykut Bultan | 2008-03-04 |
| 7197289 | Automatic gain control for a wireless transmit/receive unit in a time slotted data transmissions | Eldad M. Zeira, Mihaela C. Beluri, Rui Yang | 2007-03-27 |
| 7164740 | Wireless communication apparatus using fast fourier transforms to create, optimize and incorporate a beam space antenna array in an orthogonal frequency division multiplexing receiver | Alexander Reznik, Philip J. Pietraski, Rui Yang | 2007-01-16 |
| 7120201 | Method and system for optimization of channel estimation and synchronization in an OFDM-MIMO wireless communication system | Yuejin Huang, Chang-Soo Koo | 2006-10-10 |
| 7032160 | Communication system and method using signal to noise ratio estimation for scaling in processing received wireless communication signals | Gregory S. Sternberg, Rui Yang, Philip J. Pietraski | 2006-04-18 |
| 6931584 | Communication system and method using signal to noise ratio estimation for scaling in processing received wireless communication signals | Gregory S. Sternberg, Rui Yang, Philip J. Pietraski | 2005-08-16 |