Advanced DSP techniques enabling high spectral efficiency and flexible transmissions: toward elastic optical networks

APT Lau, Y Gao, Q Sui, D Wang… - IEEE Signal …, 2014 - ieeexplore.ieee.org
Advanced DSP Techniques Enabling High Spectral Efficiency and Flexible Transmissions:
Toward elastic optical networks Page 1 IEEE SIGNAL PROCESSING MAGAZINE [82] MARCh …

Low-complexity tracking of laser and nonlinear phase noise in WDM optical fiber systems

MP Yankov, T Fehenberger, L Barletta… - Journal of Lightwave …, 2015 - ieeexplore.ieee.org
In this paper, the wavelength division multiplexed (WDM) fiber optic channel is considered. It
is shown that for ideal distributed Raman amplification (IDRA), the Wiener process model is …

Modulation-format-independent blind phase search algorithm for coherent optical square M-QAM systems

X Zhou, K Zhong, Y Gao, C Lu, APT Lau, K Long - Optics Express, 2014 - opg.optica.org
Modulation format independence is one of the key challenges in digital signal processing
(DSP) techniques for future elastic optical transmissions. We proposed a modulation-format …

Extended Kalman filtering for joint mitigation of phase and amplitude noise in coherent QAM systems

L Pakala, B Schmauss - Optics Express, 2016 - opg.optica.org
We numerically investigate our proposed carrier phase and amplitude noise estimation
(CPANE) algorithm using extend Kalman filter (EKF) for joint mitigation of linear and non …

Hardware efficient and chromatic dispersion tolerant symbol-rate equalization scheme for short-reach coherent transmission system

Q **
A Jain, AI Abd El-Rahman, JC Cartledge - 45th European Conference on …, 2019 - IET
The impact of probabilistic sha** (PS) on two-stage carrier phase estimation employing
the blind phase search (BPS) and constellation transformation (CT) algorithms is …