Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8548073 | Method, apparatus and system for using guard tones in OFDM systems for increasing data rates and improving robustness | Nadeem Ahmed, Brian C. Joseph | 2013-10-01 |
| 8396142 | System, method, and computer-readable medium for multilevel shaping for wireless communication systems | Syed Nadeem Ahmed, Brian C. Joseph | 2013-03-12 |
| 7508877 | Methods and apparatus for self-inverting turbo code interleaving with high separation and dispersion | John Timothy Coffey | 2009-03-24 |
| 7505525 | Methods and apparatus for self-inverting turbo code interleaving with high separation and dispersion | John Timothy Coffey | 2009-03-17 |
| 7505526 | Methods and apparatus for self-inverting turbo code interleaving with high separation and dispersion | John Timothy Coffey | 2009-03-17 |
| 7227949 | Separate self-synchronizing packet-based scrambler having replay variation | Richard G. C. Williams | 2007-06-05 |
| 7184412 | Method of increasing data rate in a wireless data communication network via clock switching | — | 2007-02-27 |
| 7113556 | Reliable decision directed adaptation in a communication system employing forward error control | Stanley K. Ling | 2006-09-26 |
| 7082168 | Methods and apparatus for self-inverting turbo code interleaving with high separation and dispersion | John Timothy Coffey | 2006-07-25 |
| 6993095 | Phase-locked loop initialization via curve-fitting | Peter Murphy | 2006-01-31 |
| 6961392 | Joint equalization and decoding using a search-based decoding algorithm | Matthew B. Shoemake | 2005-11-01 |
| 6823488 | Packet binary convolutional codes | Matthew B. Shoemake | 2004-11-23 |
| 6782046 | Decision-directed adaptation for coded modulation | Stanley K. Ling, Eric J. Rossin | 2004-08-24 |
| 6701483 | Fast search-based decoding scheme | Matthew B. Shoemake, Scott C. Petler | 2004-03-02 |
| 6532267 | Variable rate constellation precoding | — | 2003-03-11 |
| 6160854 | Concatenated trellis coded modulation and linear block codes | David J. Rowe | 2000-12-12 |
| 5790570 | Concatenated trellis coded modulation and linear block codes | David J. Rowe | 1998-08-04 |
| 5745522 | Randomizer for byte-wise scrambling of data | — | 1998-04-28 |
| 5703887 | Synchronization and error detection in a packetized data stream | Andrew John Whitfield King, Sydney D. Lovely, Thomas J. Kolze | 1997-12-30 |
| 5621761 | Rotationally invariant trellis coding incorporating transparent binary convolutional codes | — | 1997-04-15 |
| 5511082 | Punctured convolutional encoder | Stephen How | 1996-04-23 |
| 5511096 | Quadrature amplitude modulated data for standard bandwidth television channel | Zheng Huang | 1996-04-23 |
| 5321725 | Method and apparatus for communicating digital information such as compressed video using treillis coded QAM | Woo Hyun Paik, Scott A. Lery, Edward A. Krause, Jerrold A. Heller | 1994-06-14 |
| 5233629 | Method and apparatus for communicating digital data using trellis coded QAM | Woo Hyun Paik, Scott A. Lery | 1993-08-03 |
| 5162791 | Collision detection using code rule violations of the Manchester code | — | 1992-11-10 |