Subbanded DSP architectures based on underdecimated filter banks for coherent OFDM receivers: Overview and recent advances

M Nazarathy, A Tolmachev - IEEE Signal processing magazine, 2014 - ieeexplore.ieee.org
Subbanded digital signal processing (DSP) with underdecimated (Udeci) filter banks (FBs),
is a recent DSP technique whereby the optical channel bandwidth is digitally sliced into …

Single-channel 50G and 100G discrete multitone transmission with 25G VCSEL technology

WA Ling, I Lyubomirsky, R Rodes… - Journal of Lightwave …, 2015 - opg.optica.org
This paper explores the feasibility of single-channel 50G and 100G transmission using 25G
VCSEL technology. We show through experiments the practicality of 50G transmission …

Optical network scaling: roles of spectral and spatial aggregation

SÖ Arık, KP Ho, JM Kahn - Optics express, 2014 - opg.optica.org
As the bit rates of routed data streams exceed the throughput of single wavelength-division
multiplexing channels, spectral and spatial traffic aggregation become essential for optical …

Nonlinear digital back propagation compensator for coherent optical OFDM based on factorizing the Volterra series transfer function

G Shulkind, M Nazarathy - Optics express, 2013 - opg.optica.org
We introduce an efficient and accurate nonlinear compensator (NLC) for digital back-
propagation (DBP) of coherent optical OFDM receivers, based on a factorization procedure …

Partial discrete fourier transform-spread in an orthogonal frequency division multiplexing system

W Ling, I Lyubomirsky - US Patent 9,438,460, 2016 - Google Patents
(57) ABSTRACT A method of transmitting data may include converting a stream of serial
data bits into a set of parallel quadrature amplitude modulation (QAM) symbols. The method …

Volterra expansion based intra channel nonlinear effect equalization method for optical OFDM/OQAM systems

X Fang, Y Fu, Q Wu, L Zhang, F Zhang - IEEE Access, 2020 - ieeexplore.ieee.org
Optical orthogonal frequency-division multiplexing offset quadrature amplitude modulation
(O-OFDM/OQAM) system relaxes the orthogonal condition of the sub-carriers from the …

DFT-spread universal filtered multi-carrier for 5G

S Xi, Z Zhong, Y Liu, X Chen, F Wang… - 2016 2nd IEEE …, 2016 - ieeexplore.ieee.org
Internet of things (IoT) and machine-type-communication (MTC) will play an important role in
5G communication systems. Combining the simplicity of Orthogonal Frequency Division …

Ultra-dense, single-wavelength DFT-spread OFDMA PON with laserless 1.2 Gb/s ONU ready for silicon photonics integration

PC Schindler, A Agmon, S Wolf, R Bonk… - Journal of Lightwave …, 2015 - opg.optica.org
We introduce an ultra-dense network architecture designed for silicon photonics at the
optical network unit (ONU). This network relies on only 3.333 GSa/s and 417 MSa/s …

New physical layer encryption algorithm based on DFT-S-OFDM system

G Baojian, L Yongling, H Aiqin… - … and Computer (MEC), 2013 - ieeexplore.ieee.org
Discrete Fourier Transform Spread Orthogonal Frequency Division Multiplexing (DFT-S-
OFDM) is widely applied to the next generation wireless communication, because of its good …

Pulse-shaping for spectrally-efficient coherent optical networks: OFDM, Nyquist signaling, and DFT-spread OFDM

R Schmogrow, PC Schindler, C Koos… - … , Sub-Systems, and …, 2014 - spiedigitallibrary.org
Pulse-shaping is a powerful tool to increase the spectral efficiency of signals transmitted
over optical fiber. Two main contenders, namely OFDM and Nyquist signaling have emerged …