Efficient Timing/Frequency Synchronization Based on Sparse Fast Fourier Transform (S-FFT)

https://ieeexplore.ieee.org/abstract/document/8782553/

J Lu, Q Wu, H Jiang, S Fu, M Tang, C Lu - Journal of Lightwave Technology, 2019

Efficient synchronization is of great importance for fiber optical coherent communication system. Here, we propose an accurate and low-complexity timing/frequency synchronization scheme based on sparse fast Fourier transform (S …