Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11831431 | Probabilistic constellation shaping of multi-dimensional symbols for improved tolerance to nonlinear impairments | Hamid Ebrahimzad, Vladimir S. Grigoryan, Shahab Oveis Gharan | 2023-11-28 |
| 11575556 | Estimation of communication system impairments using spectrally selective signal perturbations | Francisco Javier Vaquero-Caballero, Seb Savory, Maurice O'Sullivan, Mohammad E. Mousa Pasandi, David Curtis Ives +2 more | 2023-02-07 |
| 11277206 | Modulation formats with fractional spectral efficiency | Shahab Oveis Gharan, James Harley | 2022-03-15 |
| 11228383 | Estimation of external noise in a communication channel | Andrew D. Shiner, David W. Boertjes, Maurice O'Sullivan | 2022-01-18 |
| 10903903 | Dimensional transformation in optical communication | Amir Keyvan Khandani, Shahab Oveis Gharan, Maurice O'Sullivan, Kim B. Roberts | 2021-01-26 |
| 10848269 | Probabilistic constellation shaping of multi-dimensional symbols for improved tolerance to nonlinear impairments | Hamid Ebrahimzad, Vladimir S. Grigoryan, Shahab Oveis Gharan | 2020-11-24 |
| 10826605 | Pseudo frequency division multiplexing | Shahab Oveis Gharan, Andrew D. Shiner, Hamid Ebrahimzad, Maurice O'Sullivan, Kim B. Roberts | 2020-11-03 |
| 10809150 | Methods and assemblies for using electrostriction to characterize properties of optical fiber | Andrew D. Shiner, Maurice O'Sullivan | 2020-10-20 |
| 10587358 | Probabilistic constellation shaping across time and frequency | Hamid Ebrahimzad | 2020-03-10 |
| 10523362 | Systems and methods for error-free reconstruction of transmitted symbols in a coherent receiver | Qunbi Zhuge, Manoj Verghese, Hamid Ebrahimzad, Maurice O'Sullivan | 2019-12-31 |
| 10444114 | Methods and assemblies for using electrostriction to characterize properties of optical fiber | Andrew D. Shiner, Maurice O'Sullivan | 2019-10-15 |
| 10439751 | Power control in an optical fiber network | Kim B. Roberts, James Harley, Qunbi Zhuge, Maurice O'Sullivan | 2019-10-08 |
| 10419109 | Pseudo frequency division multiplexing | Shahab Oveis Gharan, Andrew D. Shiner, Hamid Ebrahimzad, Maurice O'Sullivan, Kim B. Roberts | 2019-09-17 |
| 10389447 | Dimensional transformation | Amir Keyvan Khandani, Shahab Oveis Gharan, Maurice O'Sullivan, Kim B. Roberts | 2019-08-20 |
| 10270537 | Method and system for nonlinear interference mitigation | Qunbi Zhuge, Shahab Oveis Gharan, Maurice O'Sullivan | 2019-04-23 |
| 10193620 | Nonlinear spatially resolved interferometer for characterizing optical properties of deployed telecommunication cables | Andrew D. Shiner, Maurice O'Sullivan, Andrzej Borowiec | 2019-01-29 |
| 10090920 | Fiber kerr nonlinear noise estimation | Qunbi Zhuge, Maurice O'Sullivan | 2018-10-02 |
| 9973277 | Reduced complexity nonlinear compensation | Qunbi Zhuge, Shahab Oveis Gharan, Maurice O'Sullivan | 2018-05-15 |
| 9960843 | Nonlinear spatially resolved interferometer (NL-SRI) for characterizing optical properties of deployed telecommunication cables | Andrew D. Shiner, Maurice O'Sullivan, Andrzej Borowiec | 2018-05-01 |
| 9768875 | Optical modulation schemes having reduced nonlinear optical transmission impairments | Qunbi Zhuge, Shahab Oveis Gharan, Maurice O'Sullivan | 2017-09-19 |
| 9768880 | Method and system for nonlinear interference mitigation | Qunbi Zhuge, Shahab Oveis Gharan, Maurice O'Sullivan | 2017-09-19 |
| 9749058 | Nonlinear tolerant optical modulation formats at high spectral efficiency | Shahab Oveis Gharan, Andrew D. Shiner, Maurice O'Sullivan | 2017-08-29 |
| 9319137 | Methods and systems for reduced complexity nonlinear compensation | Qunbi Zhuge, Shahab Oveis Gharan, Maurice O'Sullivan | 2016-04-19 |
| 9143238 | Optical modulation schemes having reduced nonlinear optical transmission impairments | Kim B. Roberts, Maurice O'Sullivan, Mahmoud Taherzadehboroujeni, Shahab Oveis Gharan, Andrew D. Shiner | 2015-09-22 |
| 8787754 | Rapid calculation of nonlinear optical transmission impairments | Douglas James Beckett, Nourhan Eid, Xuefeng Tang, Maurice O'Sullivan | 2014-07-22 |