Issued Patents All Time
Showing 25 most recent of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12218740 | Terrestrial based air-to-ground communications system and related methods | Kevin Carl Gustke | 2025-02-04 |
| 11233560 | Terrestrial based air-to-ground communications system and related methods | Kevin Carl Gustke | 2022-01-25 |
| 10461843 | Terrestrial based air-to-ground communications system and related methods | Kevin Carl Gustke | 2019-10-29 |
| 10230452 | Terrestrial based air-to-ground communications system and related methods | Kevin Carl Gustke | 2019-03-12 |
| 9692499 | Terrestrial based air-to-ground communications system and related methods | Kevin Carl Gustke | 2017-06-27 |
| 9461698 | Communications device with simultaneous transmit and receive and related methods | John E. Hoffmann, Richard Lilley | 2016-10-04 |
| 9379768 | Communication system with narrowband interference mitigation and related methods | John E. Hoffmann, Richard Lilley, David M. Browning | 2016-06-28 |
| 8723720 | Wireless location detection and/or tracking device and associated methods | James G. Tonti | 2014-05-13 |
| 8619908 | Wireless ranging system and related methods | John E. Hoffmann, Carlos Abascal | 2013-12-31 |
| 8442137 | System and method for reducing peak-to-average power ratio for multi-carrier communication systems | Ray J. Kolar, Charles W. Richards | 2013-05-14 |
| 8274921 | System and method for communicating data using efficient fast fourier transform (FFT) for orthogonal frequency division multiplexing (OFDM) | Anders Mattsson, John W. Pajunen | 2012-09-25 |
| 8238454 | System and method for communicating data using efficient fast fourier transform (FFT) for orthogonal frequency division multiplexing (OFDM) demodulation | Anders Mattsson | 2012-08-07 |
| 8229009 | System and method for communicating data using efficient fast fourier transform (FFT) for orthogonal frequency division multiplexing (OFDM) modulation | Anders Mattsson, John W. Pajunen | 2012-07-24 |
| 8189697 | Orthogonal frequency division multiplexing (OFDM) communications device and method that incorporates low PAPR preamble and receiver channel estimate circuit | John E. Hoffmann | 2012-05-29 |
| 8175178 | Orthogonal frequency division multiplexing (OFDM) communications device and method that incorporates low PAPR preamble and variable number of OFDM subcarriers | John E. Hoffmann | 2012-05-08 |
| 8165232 | Low peak-to-average power ratio (PAPR) preamble for orthogonal frequency division multiplexing (OFDM) communications | John E. Hoffmann | 2012-04-24 |
| 8160165 | Orthogonal frequency division multiplexing (OFDM) communications device and method that incorporates low PAPR preamble and frequency hopping | John E. Hoffmann | 2012-04-17 |
| 8160166 | Orthogonal frequency division multiplexing (OFDM) communications device and method that incorporates low PAPR preamble with circuit for measuring frequency response of the communications channel | John E. Hoffmann | 2012-04-17 |
| 8135081 | System and method for reducing peak-to-average power ratio for multi-carrier communication systems | Ray J. Kolar, Charles W. Richards | 2012-03-13 |
| 8019015 | Linearization of RF power amplifiers using an adaptive subband predistorter | G. Patrick Martin, James G. Tonti | 2011-09-13 |
| 7965743 | Method and system for the blind determination of frequency hopping system characteristics and synchronization thereto | Thomas Jay Billhartz, Travis Lee Berrier | 2011-06-21 |
| 7903749 | System and method for applying frequency domain spreading to multi-carrier communications signals | — | 2011-03-08 |
| 7860147 | Method of communicating and associated transmitter using coded orthogonal frequency division multiplexing (COFDM) | — | 2010-12-28 |
| 7822136 | System and method for reducing peak-to-average power ratio for multi-carrier communication systems | Ray J. Kolar, Charles W. Richards | 2010-10-26 |
| 7813433 | System and method for communicating data using symbol-based randomized orthogonal frequency division multiplexing (OFDM) with selected subcarriers turned on or off | — | 2010-10-12 |