Issued Patents All Time
Showing 1–25 of 76 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12316372 | Localization of an anomaly in an optical transmission system | Olga Vassilieva, Paparao Palacharla | 2025-05-27 |
| 12132521 | Optical signal adjustment | Olga Vassilieva, Paparao Palacharla | 2024-10-29 |
| 12074697 | Encoding data | Olga Vassilieva, Paparao Palacharla | 2024-08-27 |
| 12040838 | Mitigation of anomaly loss in an optical transmission system | Olga Vassilieva, Kyousuke Sone, Shoichiro Oda, Paparao Palacharla | 2024-07-16 |
| 11742947 | Noise estimation in optical networks | Olga Vassilieva, Paparao Palacharla | 2023-08-29 |
| 11265086 | Low rate loss bit-level distribution matcher for constellation shaping | Olga Vassilieva, Paparao Palacharla, Tadashi Ikeuchi | 2022-03-01 |
| 11012187 | Error correction in optical networks with probabilistic shaping and symbol rate optimization | Olga Vassilieva, Paparao Palacharla, Tadashi Ikeuchi | 2021-05-18 |
| 10700807 | Fiber input power selection for probabilistically shaped signals in optical networks | Olga Vassilieva, Tadashi Ikeuchi | 2020-06-30 |
| 10601517 | Probabilistic shaping on eight-dimensional super-symbols | Sebastiaan Anne René Goossens, Olga Vassilieva, Tadashi Ikeuchi | 2020-03-24 |
| 10530490 | Probabilistic constellation shaping for optical networks with diverse transmission media | Olga Vassilieva, Tadashi Ikeuchi | 2020-01-07 |
| 10511388 | Reducing variance in reach of WDM channels in an optical network | Olga Vassilieva, Tadashi Ikeuchi | 2019-12-17 |
| 10461881 | Method and system for assigning modulation format in optical networks | Xi Wang, Olga Vassilieva, Paparao Palacharla, Tadashi Ikeuchi | 2019-10-29 |
| 10396899 | Probabilistic constellation shaping using set-partitioned M-QAM | Olga Vassilieva, Paparao Palacharla, Tadashi Ikeuchi | 2019-08-27 |
| 10389473 | Reach extension for optical networks through control of modulation formats and numbers of subcarriers | Olga Vassilieva, Tadashi Ikeuchi | 2019-08-20 |
| 10355779 | Virtual optical network service with guaranteed availability | Xi Wang, Martin Bouda, Olga Vassilieva, Qiong Zhang, Paparao Palacharla +1 more | 2019-07-16 |
| 10348439 | Spectral slot assignment and placement of wavelength shifters in flexible grid optical networks | Xi Wang, Paparao Palacharla, Tadashi Ikeuchi | 2019-07-09 |
| 10256911 | Harmonic generation and phase sensitive amplification using a bragg reflection waveguide | Youichi Akasaka, Jeng-Yuan Yang, Motoyoshi Sekiya | 2019-04-09 |
| 10243688 | Reach extension of multi-carrier channels using unequal subcarrier spacing | Olga Vassilieva, Tadashi Ikeuchi | 2019-03-26 |
| 10230661 | Distributed virtual network embedding | Qiong Zhang, Paparao Palacharla, Tadashi Ikeuchi, Xi Wang | 2019-03-12 |
| 10225008 | Systems and methods for reconfiguring an adaptive optical network when adding an optical path | Olga Vassilieva, Tadashi Ikeuchi | 2019-03-05 |
| 10148552 | Shortest path search with constraints in networks | Xi Wang, Qiong Zhang, Paparao Palacharla, Tadashi Ikeuchi | 2018-12-04 |
| 10116392 | Carrier suppressed multi-level pulse amplitude modulation | Olga Vassilieva, Paparao Palacharla, Tadashi Ikeuchi | 2018-10-30 |
| 10097376 | Resilient virtual optical switches over less reliable optical networks | Xi Wang, Paparao Palacharla, Qiong Zhang, Tadashi Ikeuchi | 2018-10-09 |
| 10090961 | Multi-channel optical cross-phase modulation compensator | Olga Vassilieva, Takeshi Hoshida, Paparao Palacharla, Tadashi Ikeuchi | 2018-10-02 |
| 10063317 | Network management with per-node cross-phase-modulation (XPM) compensation | Olga Vassilieva, Tadashi Ikeuchi | 2018-08-28 |