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8th International Conference on Communications and Networking in China

Research Article

DSP Methods for the Evolution from Conventional TDM-PON to DSP-enhanced TDM-PON

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BibTeX Plain Text
  • @INPROCEEDINGS{10.1109/ChinaCom.2013.6694691,
        author={Juhao Li and Hui Yang and Bangjiang Lin and Yangsha Wan and Yongqi He and Zhangyuan Chen},
        title={DSP Methods for the Evolution from Conventional TDM-PON to DSP-enhanced TDM-PON},
        proceedings={8th International Conference on Communications and Networking in China},
        publisher={IEEE},
        proceedings_a={CHINACOM},
        year={2013},
        month={11},
        keywords={passive optical network (pon) digital signal processing (dsp) time-division-multiplexing pon (tdm-pon) evolution},
        doi={10.1109/ChinaCom.2013.6694691}
    }
    
  • Juhao Li
    Hui Yang
    Bangjiang Lin
    Yangsha Wan
    Yongqi He
    Zhangyuan Chen
    Year: 2013
    DSP Methods for the Evolution from Conventional TDM-PON to DSP-enhanced TDM-PON
    CHINACOM
    IEEE
    DOI: 10.1109/ChinaCom.2013.6694691
Juhao Li1,*, Hui Yang1, Bangjiang Lin1, Yangsha Wan1, Yongqi He1, Zhangyuan Chen1
  • 1: Peking University
*Contact email: juhao_li@pku.edu.cn

Abstract

Recently, digital signal processing (DSP) methods have attracted a lot of attention for next-generation passive optical network (PON). To achieve high spectrum-efficiency colorless transmission, we combine the time-division-multiplexing (TDM) architecture with advanced DSP methods to propose a DSP-enhanced TDM–PON, in which DSP-based symbols are transmitted in different time slots instead of on-off-key (OOK) bits in conventional TDM-PON. Four DSP methods with frequency-domain equalization (FDE) are discussed in terms of computational complexity, peak-to-average ratio (PAPR), and flexibility. A DSP-based evolution scheme from conventional TDM-PON to DSP-enhanced TDM-PON is proposed and experimentally demonstrated by upgrading the optical line terminal (OLT) to support both OOK and DSP-based signals, which can maintain the current optical distribution network (ODN) and minimize the impact for the existing service and equipment.

Keywords
passive optical network (pon) digital signal processing (dsp) time-division-multiplexing pon (tdm-pon) evolution
Published
2013-11-14
Publisher
IEEE
http://dx.doi.org/10.1109/ChinaCom.2013.6694691
Copyright © 2013–2025 IEEE
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