Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9766321 | Indoor positioning with radio frequency chirp signal propagation delay measurement | John Robert Schwartz | 2017-09-19 |
| 9628807 | Chirp spread spectrum system and method | — | 2017-04-18 |
| 9577858 | RF chirp receiver synchronization | — | 2017-02-21 |
| 9528243 | Iterative method, and apparatus for acquiring time and frequency synchronization in a DSSS receiver | — | 2016-12-27 |
| 9356646 | Chirp spread spectrum system and method | — | 2016-05-31 |
| 9276797 | Low complexity narrowband interference suppression | — | 2016-03-01 |
| 9088348 | System and method for obtaining frequency and time synchronization in a wideband communication system | — | 2015-07-21 |
| 9088349 | System and method for transmitting and detecting spread spectrum signals | — | 2015-07-21 |
| 9083444 | Chirp spread spectrum system and method | — | 2015-07-14 |
| 8976060 | RF chirp signal propagation delay measurement | — | 2015-03-10 |
| 7177265 | Iterative method, and apparatus for acquiring time and frequency synchronization in a DSSS receiver | — | 2007-02-13 |
| 6901117 | Soft output decoder for convolutional codes | Brian Classon | 2005-05-31 |
| 6856657 | Soft output decoder for convolutional codes | Brian Classon, Vipul Desai | 2005-02-15 |
| 6580767 | Cache and caching method for conventional decoders | Kevin P. Koehler | 2003-06-17 |
| 6172994 | Method and apparatus for creating a composite waveform | Michael D. Kotzin, Anthony P. van den Heuvel | 2001-01-09 |
| 6169887 | Range extension within a communication system | Donald Cordell | 2001-01-02 |
| 6075824 | Method and apparatus for re-encoding decoded data | Theodore Trost | 2000-06-13 |
| 5878098 | Method and apparatus for rate determination in a communication system | Michael Mao Wang, Fuyun Ling | 1999-03-02 |
| 5862190 | Method and apparatus for decoding an encoded signal | — | 1999-01-19 |
| 5856935 | Fast hadamard transform within a code division, multiple access communication system | Jeffrey Moy | 1999-01-05 |
| 5754599 | Method and apparatus for coherent channel estimation in a communication system | Fuyun Ling | 1998-05-19 |
| 5418813 | Method and apparatus for creating a composite waveform | Michael D. Kotzin, Anthony P. van den Heuvel | 1995-05-23 |
| 5406629 | Apparatus and method for digitally processing signals in a radio frequency communication system | Robert Mark Harrison | 1995-04-11 |