Issued Patents All Time
Showing 51–75 of 88 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7602835 | Multi-rate spread spectrum composite code | Samuel C. Kingston, Johnny M. Harris, Dan M. Griffin, David W. Thorson | 2009-10-13 |
| 7596113 | Transmission scheduling for TDMA networks | Samuel C. Kingston, Johnny M. Harris | 2009-09-29 |
| 7558238 | Hybrid multiple access waveform, method, and apparatus | June Sun, Michael Rice, Samuel C. Kingston, Johnny M. Harris | 2009-07-07 |
| 7545878 | Efficient circular clipping implementation using simplified CORDIC rotators | Eric K. Hall, Richard B. Ertel, Dan M. Griffin | 2009-06-09 |
| 7529524 | Adaptive power amplifier linearization in time division duplex communication systems | Michael Rice, William K. McIntire, June Sun | 2009-05-05 |
| 7526010 | Doped multi-rate spread spectrum composite code | Johnny M. Harris, Samuel C. Kingston, Dan M. Griffin, David W. Thorson, Richard B. Ertel | 2009-04-28 |
| 7436878 | Method and apparatus for efficient carrier bin search for a composite spreading code | Johnny M. Harris, Samuel C. Kingston, Eric K. Hall, Richard B. Ertel | 2008-10-14 |
| 7369606 | Phase error detector using I/Q interference cancellation | Richard B. Ertel, Dan M. Griffin, Johnny M. Harris, Eric K. Hall | 2008-05-06 |
| 7301985 | Pseudo-noise code hopping method and apparatus | Eric K. Hall, Richard B. Ertel | 2007-11-27 |
| 7190683 | Two-dimensional channel bonding in a hybrid CDMA/FDMA fixed wireless access system to provide finely variable rate channels | Eric K. Hall, Richard B. Ertel, Philip L. Stephenson, Dan M. Griffin, Lee A Butterfield | 2007-03-13 |
| 7103026 | Use of chip repetition to produce a flexible bandwidth DS-CDMA system | Eric K. Hall, Richard B. Ertel | 2006-09-05 |
| 7099372 | Spreading code hopping for synchronous DS-CDMA system to mitigate interference effects | Leon L Nieczyporowicz, Richard B. Ertel, Eric K. Hall | 2006-08-29 |
| 7054286 | Bandwidth allocation and data multiplexing scheme for direct sequence CDMA systems | Richard B. Ertel, Eric K. Hall, Philip L. Stephenson, Johnny M. Harris, Edward P. Newren | 2006-05-30 |
| 7054292 | Hybrid synchronous space/code multiple access system using an adaptive antenna system | Eric K. Hall, Richard B. Ertel, Christian Schlegel, Zachary C. Bagley | 2006-05-30 |
| 7050480 | Code assignment algorithm for synchronous DS-CDMA links with SDMA using estimated spatial signature vectors | Richard B. Ertel, Eric K. Hall | 2006-05-23 |
| 7031290 | Code assignment algorithm for synchronous DS-CDMA links with SDMA using channel scanning | Richard B. Ertel, Eric K. Hall | 2006-04-18 |
| 6999446 | Adaptive, multi-rate waveform and frame structure for a synchronous, DS-CDMA system | Eric K. Hall, Richard B. Ertel, Lee A Butterfield, Dan M. Griffin, Philip L. Stephenson | 2006-02-14 |
| 6956838 | Use of wide element spacing to improve the flexibility of a circular base station antenna array in a space division/multiple access synchronous CDMA communication system | Richard B. Ertel, Eric K. Hall | 2005-10-18 |
| 6810028 | Open loop timing control for synchronous CDA systems | David Matolak, Douglas G. Bowen | 2004-10-26 |
| 6724741 | PN code selection for synchronous CDMA | Leon L Nieczyporowicz, Steven B Perkins | 2004-04-20 |
| 6654365 | Reduced complexity trellis-based multiuser detector for CDMA | Randal R. Sylvester | 2003-11-25 |
| 6332008 | Synchronizer and method therefor and communications system incorporating same | Samuel C. Kingston, Robert W Steagall, Patrick J. Smith, Steven T. Barham | 2001-12-18 |
| 6091760 | Non-recursively generated orthogonal PN codes for variable rate CDMA | Samuel C. Kingston, Lee A Butterfield, William T. Ralston, Leon L Nieczyporowicz, Alan E. Lundquist | 2000-07-18 |
| 6061339 | Fixed wireless loop system having adaptive system capacity based on estimated signal to noise ratio | Leon L Nieczyporowicz, Philip L. Stephenson, Randal R. Sylvester | 2000-05-09 |
| 6023462 | Fixed wireless loop system that ranks non-assigned PN codes to reduce interference | Leon L Nieczyporowicz, Philip L. Stephenson, Robert W Steagall | 2000-02-08 |