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   Articles with "equalizer" as a keyword



Blind I/Q imbalance and nonlinear ISI mitigation in Nyquist-SCM direct detection system with cascaded widely linear and Volterra equalizer

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recommendations! Published in 2018 at "Optics Communications"

DOI: 10.1016/j.optcom.2017.09.045

Abstract: Abstract Nyquist-SCM signal after fiber transmission, direct detection (DD), and analog down-conversion suffers from linear ISI, nonlinear ISI, and I/Q imbalance, simultaneously. Theoretical analysis based on widely linear (WL) and Volterra series is given to… read more here.

Keywords: widely linear; volterra equalizer; nonlinear isi; equalizer ... See more keywords

Experimental demonstration of 4-PAM for high-speed indoor free-space OW communication based on cascade FIR-LMS adaptive equalizer

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recommendations! Published in 2018 at "Optics Communications"

DOI: 10.1016/j.optcom.2018.06.001

Abstract: Abstract Inter-symbol interference (ISI) is one of the key problems that seriously limit the transmission data rate in optical communication system. To eliminate ISI and further improve the system performance, we design a specific cascade… read more here.

Keywords: communication; fir lms; equalizer; indoor free ... See more keywords

Convolution neural network-based time-domain equalizer for DFT-Spread OFDM VLC system

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recommendations! Published in 2019 at "Optics Communications"

DOI: 10.1016/j.optcom.2018.10.001

Abstract: Abstract This paper presents a novel time-domain equalizer for visible light communication (VLC) system using machine learning (ML) method. In this work, we employ discrete Fourier transform spread orthogonal frequency division multiplexing (DFT-S-OFDM) as modem… read more here.

Keywords: vlc; time; time domain; equalizer ... See more keywords
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A Transformer-Less Voltage Equalizer for Energy Storage Cells Based on Double-Tiered Multi-Stacked Converters

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recommendations! Published in 2021 at "IEEE Access"

DOI: 10.1109/access.2021.3089545

Abstract: Energy storage systems are widely used in various fields such as renewable energy generation, hybrid electric vehicle, power grid, etc. However, the difference in characteristics among energy storage cells is one of the bottlenecks faced… read more here.

Keywords: energy storage; voltage equalizer; equalizer; energy ... See more keywords

Piecewise Linear Equalizer for DML Based PAM-4 Signal Transmission Over a Dispersion Uncompensated Link

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recommendations! Published in 2020 at "Journal of Lightwave Technology"

DOI: 10.1109/jlt.2019.2948096

Abstract: Directly modulated laser (DML) and direct detection (DD) based pulse-amplitude modulation (PAM) for short reach optical communications has attracted lots of research interests due to its low cost and simple configuration. However, the directly modulated… read more here.

Keywords: uncompensated link; equalizer; pam signal; transmission ... See more keywords

AdaNN: Adaptive Neural Network-Based Equalizer via Online Semi-Supervised Learning

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recommendations! Published in 2020 at "Journal of Lightwave Technology"

DOI: 10.1109/jlt.2020.2991028

Abstract: The demand for high speed data transmission has increased rapidly, leading to advanced optical communication techniques. In the past few years, multiple equalizers based on neural network (NN) have been proposed to recover signal from… read more here.

Keywords: neural network; training; equalizer; adann adaptive ... See more keywords

FPGA Real-Time Deployment of Low-Complexity Volterra Equalizer Based on Pruning and Non-Uniform Quantization

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recommendations! Published in 2025 at "Journal of Lightwave Technology"

DOI: 10.1109/jlt.2025.3533146

Abstract: Electronic nonlinear equalization technology is a promising signal impairments compensation technique with great development potential and wide application scenarios. However, its high complexity makes it challenging to implement in field-programmable gate array (FPGA). We propose… read more here.

Keywords: volterra equalizer; equalizer; uniform quantization; complexity ... See more keywords

A 21-Gb/s Duobinary Transceiver for GDDR Interfaces With an Adaptive Equalizer

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recommendations! Published in 2022 at "IEEE Journal of Solid-State Circuits"

DOI: 10.1109/jssc.2022.3170439

Abstract: In this article, we propose a duobinary transceiver for graphics double-data-rate (GDDR) memory interfaces. The proposed voltage-mode driver complies with the GDDR impedance specifications without sacrificing the ratio of level mismatch (RLM). The quarter-rate time-interleaved… read more here.

Keywords: equalizer; transceiver; gddr interfaces; interfaces adaptive ... See more keywords

Uni-Cycle Genetic Algorithm to Improve the Adaptive Equalizer Performance

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recommendations! Published in 2021 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2021.3105640

Abstract: In this contribution, a novel uni-cycle Genetic Algorithm (GA) is proposed as a learning tool to optimize the coefficients of an adaptive linear equalizer. The meaning of evolution concept is understood quite different in comparison… read more here.

Keywords: genetic algorithm; cycle; equalizer; uni cycle ... See more keywords

Recursive Least Squares-Algorithm-Based Normalized Adaptive Minimum Symbol Error Rate Equalizer

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recommendations! Published in 2023 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2022.3199751

Abstract: The adaptive minimum symbol error rate (AMSER) equalizer is known to have better symbol error rate (SER) performance than the adaptive minimum mean square error equalizer. Furthermore, the normalized AMSER (NAMSER) equalizer outperforms the AMSER… read more here.

Keywords: equalizer; adaptive minimum; symbol error; error rate ... See more keywords

Nonlinearity-Robust IM/DD THz Communication System via Two-Stage Deep Learning Equalizer

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recommendations! Published in 2024 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2024.3418457

Abstract: Linear and nonlinear impairments restrict the transmission performance of high-speed terahertz (THz) communication systems. To improve transmission performance, we propose a two-stage nonlinear equalizer (NLE). In the first stage, a memory-controlled long short-term memory (LSTM)… read more here.

Keywords: stage; equalizer; tex math; inline formula ... See more keywords