no code implementations • 7 Jun 2022 • Sebastiaan Goossens, Yunus Can Gültekin, Olga Vassilieva, Inwoong Kim, Paparao Palacharla, Chigo Okonkwo, Alex Alvarado
Reach increase and nonlinearity tolerance are evaluated in terms of achievable information rates and post-FEC bit-error rate.
no code implementations • 7 Jun 2022 • Sebastiaan Goossens, Yunus Can Gültekin, Olga Vassilieva, Inwoong Kim, Paparao Palacharla, Chigo Okonkwo, Alex Alvarado
Geometric shell shaping is introduced and evaluated for reach increase and nonlinearity tolerance in terms of MI against PM-16QAM and PS-PM-16QAM in a 400ZR compatible transmission setup.
no code implementations • 3 Jan 2022 • Yunus Can Gültekin, Alex Alvarado, Olga Vassilieva, Inwoong Kim, Paparao Palacharla, Chigo Okonkwo, Frans M. J. Willems
Band-trellis enumerative sphere shaping is proposed to decrease the energy variations in channel input sequences.
no code implementations • 20 Dec 2021 • Vinícius Oliari, Boris Karanov, Sebastiaan Goossens, Gabriele Liga, Olga Vassilieva, Inwoong Kim, Paparao Palacharla, Chigo Okonkwo, Alex Alvarado
In this paper we carry out a joint optimization of probabilistic (PS) and geometric shaping (GS) for four-dimensional (4D) modulation formats in long-haul coherent wavelength division multiplexed (WDM) optical fiber communications using an auto-encoder framework.
no code implementations • 31 May 2021 • Yunus Can Gültekin, Alex Alvarado, Olga Vassilieva, Inwoong Kim, Paparao Palacharla, Chigo Okonkwo, Frans M. J. Willems
Nonlinear interference (NLI) generated during the propagation of an optical waveform through the fiber depends on the fourth order standardized moment of the channel input distribution, also known as kurtosis.
no code implementations • 24 Sep 2020 • Jingda Guo, Dominic Carrillo, Sihai Tang, Qi Chen, Qing Yang, Song Fu, Xi Wang, Nannan Wang, Paparao Palacharla
To reduce the amount of transmitted data, feature map based fusion is recently proposed as a practical solution to cooperative 3D object detection by autonomous vehicles.