Design of a 1 Tb/s superchannel coherent receiver

DS Millar, R Maher, D Lavery, T Koike-Akino… - Journal of Lightwave …, 2016 - opg.optica.org
We describe the design of a trained and pilot-aided digital coherent receiver, capable of
detecting a 1 Tb/s superchannel with a single optical front-end. Algorithms for receiver …

Performance-complexity tradeoffs of concatenated FEC for higher-order modulation

M Barakatain, D Lentner, G Böecherer… - Journal of Lightwave …, 2020 - ieeexplore.ieee.org
Multilevel coding (MLC) is compared with bit-interleaved coded modulation (BICM) from a
performance-versus-complexity standpoint. In both approaches, complexity-optimized error …

220 GBaud signal generation enabled by a two-channel 256 GSa/s arbitrary waveform generator and advanced DSP

F Pittalà, M Schaedler, G Khanna… - 2020 European …, 2020 - ieeexplore.ieee.org
220 GBaud Signal Generation Enabled by a Two-channel 256 GSa/s Arbitrary Waveform
Generator and Advanced DSP Page 1 220 GBaud Signal Generation Enabled by a Two-channel …

Analysis and experimental demonstration of orthant-symmetric four-dimensional 7 bit/4D-sym modulation for optical fiber communication

B Chen, A Alvarado, S van der Heide… - Journal of Lightwave …, 2021 - opg.optica.org
We propose a new four-dimensional orthant-symmetric 128-ary modulation format (4D-
OS128) with a spectral efficiency of 7 bit/4D-sym. The proposed format fills the gap between …

Low-complexity soft-decision concatenated LDGM-staircase FEC for high-bit-rate fiber-optic communication

LM Zhang, FR Kschischang - Journal of Lightwave Technology, 2017 - opg.optica.org
A concatenated soft-decision forward error correction (FEC) scheme consisting of an inner
low-density generator-matrix (LDGM) code and an outer staircase code is proposed. The …

Low-Power, Phase-Slip Tolerant, Multilevel Coding for M-QAM

A Bisplinghoff, S Langenbach… - Journal of Lightwave …, 2016 - ieeexplore.ieee.org
For a cost efficient, high capacity, coherent dense wavelength division multiplex
transmission in data center interconnect applications, the number of optical interfaces …

Irregular polar coding for complexity-constrained lightwave systems

T Koike-Akino, C Cao, Y Wang… - Journal of Lightwave …, 2018 - ieeexplore.ieee.org
Next-generation fiber-optic communications call for ultra-reliable forward error correction
codes that are capable of low-power and low-latency decoding. In this paper, we propose a …

Low-complexity channel polarized multilevel coding for modulation-format-independent forward error correction

T Kakizaki, M Nakamura, F Hamaoka… - … Conference on Optical …, 2021 - ieeexplore.ieee.org
We propose a modulation-format-independent binary coding scheme that applies multilevel
coding to channel polarized signals with different capacities. The simulation results show …

Energy-Efficient Channel Decoding for Wireless Federated Learning: Convergence Analysis and Adaptive Design

L Qu, Y Mao, S Song, CY Tsui - IEEE Transactions on Wireless …, 2024 - ieeexplore.ieee.org
One of the most critical challenges for deploying distributed learning solutions, such as
federated learning (FL), in wireless networks is the limited battery capacity of mobile clients …

Information-bottleneck decoding of high-rate irregular LDPC codes for optical communication using message alignment

M Stark, J Lewandowsky, G Bauch - Applied Sciences, 2018 - mdpi.com
In high-throughput applications, low-complexity and low-latency channel decoders are
inevitable. Hence, for low-density parity-check (LDPC) codes, message passing decoding …