Symbol timing synchronization algorithm for 112Gbit/s PDM CO-OFDM systems

Yanfei Xu; Yaojun Qiao; Yuefeng Ji

doi:10.1117/12.905509

9 December 2011 Symbol timing synchronization algorithm for 112Gbit/s PDM CO-OFDM systems

Yanfei Xu, Yaojun Qiao, Yuefeng Ji

Proceedings Volume 8309, Optical Transmission Systems, Subsystems, and Technologies IX; 83090I (2011) https://doi.org/10.1117/12.905509
Event: SPIE/OSA/IEEE Asia Communications and Photonics, 2011, Shanghai, China

Abstract

We propose a modified symbol timing synchronization algorithm for polarization division multiplexed (PDM) coherent optical orthogonal frequency division multiplexing (CO-OFDM) systems. This method can significantly reduce the impacts of the platform phenomenon and the chromatic dispersion, when it is compared with the typical Schmidl&Cox algorithm. Simulation results with the compare between the typical algorithm and proposed method show that the latter has much better performance in optical fiber channel. 1-dB signal quality improvement is achieved for PDM CO-OFDM system at 112Gbit/s data rate over 500-km SSMF without dispersion compensation.

Citation Download Citation

Yanfei Xu, Yaojun Qiao, and Yuefeng Ji "Symbol timing synchronization algorithm for 112Gbit/s PDM CO-OFDM systems", Proc. SPIE 8309, Optical Transmission Systems, Subsystems, and Technologies IX, 83090I (9 December 2011); https://doi.org/10.1117/12.905509

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