277.6-Gb/s LDPC-coded CO-OFDM transmission system with low PAPR based on subcarrier pre-filtering technology

Bo Liu; Xiangjun Xin; Lijia Zhang; Jianjun Yu

doi:10.1016/j.optcom.2012.07.110

277.6-Gb/s LDPC-coded CO-OFDM transmission system with low PAPR based on subcarrier pre-filtering technology

Bo Liu, Xiangjun Xin, Lijia Zhang^*, Jianjun Yu

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

This paper proposes a novel subcarrier pre-filtering method to reduce the peak-to-average power ratio (PAPR) in the coherent optical orthogonal frequency division multiplexing (CO-OFDM) system. It can mitigate the fiber nonlinearity without damnifying the signal waveform or inducing any redundant information. The experiment successfully demonstrates a 277.6-Gb/s low-density-parity-check (LDPC) coded CO-OFDM system over 200-km fiber via a subcarrier pre-filtering technology. More than 4-dB improvement in PAPR is achieved compared with that of the conventional CO-OFDM, and the nonlinear threshold can be improved by 2.1 dB at the bit error rate (BER) of 5×10 ^-2.

Original language	English
Pages (from-to)	5397-5400
Number of pages	4
Journal	Optics Communications
Volume	285
Issue number	24
DOIs	https://doi.org/10.1016/j.optcom.2012.07.110
Publication status	Published - 1 Nov 2012
Externally published	Yes

Keywords

Coherent optical orthogonal frequency division multiplexing
Peak-to-average-power ratio (PAPR)
Pre-filtering

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10.1016/j.optcom.2012.07.110

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Liu, B., Xin, X., Zhang, L., & Yu, J. (2012). 277.6-Gb/s LDPC-coded CO-OFDM transmission system with low PAPR based on subcarrier pre-filtering technology. Optics Communications, 285(24), 5397-5400. https://doi.org/10.1016/j.optcom.2012.07.110

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abstract = "This paper proposes a novel subcarrier pre-filtering method to reduce the peak-to-average power ratio (PAPR) in the coherent optical orthogonal frequency division multiplexing (CO-OFDM) system. It can mitigate the fiber nonlinearity without damnifying the signal waveform or inducing any redundant information. The experiment successfully demonstrates a 277.6-Gb/s low-density-parity-check (LDPC) coded CO-OFDM system over 200-km fiber via a subcarrier pre-filtering technology. More than 4-dB improvement in PAPR is achieved compared with that of the conventional CO-OFDM, and the nonlinear threshold can be improved by 2.1 dB at the bit error rate (BER) of 5×10 -2.",

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277.6-Gb/s LDPC-coded CO-OFDM transmission system with low PAPR based on subcarrier pre-filtering technology

Abstract

Keywords

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