Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8861922 | Watermarking scheme for digital video | — | 2014-10-14 |
| 8699746 | Watermarking scheme for digital video | Mohsen Sarraf | 2014-04-15 |
| 8666108 | Watermarking scheme for digital video | Mohsen Sarraf | 2014-03-04 |
| 8401331 | Video quality analysis using a linear approximation technique | Mahmoud R. Sherif, Ahmed A. Tarraf, Xin Wang, Jian Yi | 2013-03-19 |
| 7974255 | Method and apparatus for multi-stream transmission with time and frequency diversity in an orthogonal frequency division multiplexing (OFDM) communication system | Mohsen Sarraf | 2011-07-05 |
| 7646881 | Watermarking scheme for digital video | — | 2010-01-12 |
| 7630509 | Color selection scheme for digital video watermarking | — | 2009-12-08 |
| 7505396 | Method and apparatus for establishing interleaver synchronization in an orthogonal frequency division multiplexing (OFDM) communication system | Robert L. Cupo, Muhammad R. Karim, Mojtaba Shariat | 2009-03-17 |
| 6987752 | Method and apparatus for frequency offset estimation and interleaver synchronization using periodic signature sequences | Mohsen Sarraf | 2006-01-17 |
| 6928046 | Frame synchronization of an OFDM signal | Masoud Sajadieh, Mohsen Sarraf | 2005-08-09 |
| 6842421 | Method and apparatus for post-detection maximum ratio combining with antenna diversity in an orthogonal frequency division multiplexing (OFDM) communication system | Mohsen Sarraf | 2005-01-11 |
| 6807241 | Method and apparatus for partial and course frequency offset estimation in a digital audio broadcasting (DAB) system | Marek Milbar | 2004-10-19 |
| 6661771 | Method and apparatus for interleaver synchronization in an orthogonal frequency division multiplexing (OFDM) communication system | Robert L. Cupo, Muhammad R. Karim, Mojtaba Shariat | 2003-12-09 |
| 6650717 | Asymmetric pulse amplitude modulation transmission of multi-stream data embedded in a hybrid IBOC channel | Robert L. Cupo, Mohsen Sarraf, Mojtaba Shariat | 2003-11-18 |
| 6603826 | Method and receiver for dynamically compensating for interference to a frequency division multiplex signal | Robert L. Cupo, Mohsen Sarraf, Mojtaba Shariat | 2003-08-05 |
| 6501810 | Fast frame synchronization | Mohammad Rez Karim, Robert L. Cupo, Mohsen Sarraf | 2002-12-31 |
| 6445693 | Method and apparatus for estimating power of first adjacent analog FM interference in an in-band on-channel (IBOC) communication system | Mohsen Sarraf | 2002-09-03 |
| 6377566 | OFDM subcarrier hopping in a multi service OFDM system | Robert L. Cupo, Mohsen Sarraf, Mojtaba Shariat | 2002-04-23 |
| 6347071 | Time division multiplexed transmission of OFDM symbols | Robert L. Cupo, Mohsen Sarraf, Mojtaba Shariat | 2002-02-12 |