Low Complexity Joint Chromatic Dispersion and Time/Frequency Offset Estimation Based on Fractional Fourier Transform

TL;DR

This paper introduces a joint estimation method for chromatic dispersion and time-frequency offset using the fractional Fourier transform, significantly reducing computational complexity while maintaining high accuracy.

Contribution

The paper presents a novel joint estimation technique based on the fractional Fourier transform that lowers computational costs by over 50% compared to existing methods.

Findings

Reduces computational complexity by more than 50%.

Maintains high estimation accuracy.

Validated through experimental results.

Abstract

We propose and experimentally validate a joint estimation method for chromatic dispersion and time-frequency offset based on the fractional Fourier transform, which reduces computational complexity by more than 50% while keeping estimation accuracy.