8th International Conference on Communications and Networking in China

Research Article

Investigation of 20Gb/s WDM-PON Transmission over 40-km Employing 16QAM Signal with Blind Equalization

  • @INPROCEEDINGS{10.1109/ChinaCom.2013.6694693,
        author={Qiwang Li and Min Zhang},
        title={Investigation of 20Gb/s WDM-PON Transmission over 40-km Employing 16QAM Signal with Blind Equalization},
        proceedings={8th International Conference on Communications and Networking in China},
        publisher={IEEE},
        proceedings_a={CHINACOM},
        year={2013},
        month={11},
        keywords={wdm-pon; 16qam; blind equalizaion},
        doi={10.1109/ChinaCom.2013.6694693}
    }
    
  • Qiwang Li
    Min Zhang
    Year: 2013
    Investigation of 20Gb/s WDM-PON Transmission over 40-km Employing 16QAM Signal with Blind Equalization
    CHINACOM
    IEEE
    DOI: 10.1109/ChinaCom.2013.6694693
Qiwang Li1,*, Min Zhang1
  • 1: Beijing University of Posts and Telecommunications
*Contact email: lqw715@163.com

Abstract

We apply 16QAM into the downstream modulation in long reach WDM-PON and utilize blind equalization at the ONU receiver to improve the system performance. Simulation results indicate that, with the blind equalization, after transmission over 40-km single mode fiber (SMF) at the speed of 20Gb/s, BER is remained below 10-3 at -17.2dBm receive sensibility. The results also show that the blind equalization is able to suppress the crosstalk between two adjacent WDM channels spacing 25GHz and thus improve the constellation phase rotation.