Enhanced fourth-power algorithm for phase estimation with frequency separation in direct-detection optical OFDM systems

Min Kong; Jiangnan Xiao; Ze Dong; Liuqingqing Yang; Lin Chen; Jianjun Yu

doi:10.3788/COL201311.060602

Enhanced fourth-power algorithm for phase estimation with frequency separation in direct-detection optical OFDM systems

Min Kong, Jiangnan Xiao, Ze Dong, Liuqingqing Yang, Lin Chen^*, Jianjun Yu

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4 引用（Scopus）

摘要

The optical orthogonal frequency division multiplexing (OFDM) signal is affected by impairments introduced by electrical filters and optical chromatic dispersion. An enhanced fourth-power algorithm for phase estimation with frequency separation is used to estimate and compensate the phase rotation of OFDM subcarriers. The performance of the proposed phase estimation algorithm is evaluated on a 4-Gb/s OFDM signal at different frequencies. Experimental results using the proposed algorithm show a 1.8-dB received power sensitivity improvement at a bit error rate of 1×10^-4 after a 100-km standard single-mode fiber transmission, compared with the conventional technique.

源语言	英语
文章编号	060602
期刊	Chinese Optics Letters
卷	11
期	6
DOI	https://doi.org/10.3788/COL201311.060602
出版状态	已出版 - 6月 2013
已对外发布	是

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abstract = "The optical orthogonal frequency division multiplexing (OFDM) signal is affected by impairments introduced by electrical filters and optical chromatic dispersion. An enhanced fourth-power algorithm for phase estimation with frequency separation is used to estimate and compensate the phase rotation of OFDM subcarriers. The performance of the proposed phase estimation algorithm is evaluated on a 4-Gb/s OFDM signal at different frequencies. Experimental results using the proposed algorithm show a 1.8-dB received power sensitivity improvement at a bit error rate of 1×10-4 after a 100-km standard single-mode fiber transmission, compared with the conventional technique.",

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AU - Kong, Min

AU - Xiao, Jiangnan

AU - Dong, Ze

AU - Yang, Liuqingqing

AU - Chen, Lin

AU - Yu, Jianjun

PY - 2013/6

Y1 - 2013/6

N2 - The optical orthogonal frequency division multiplexing (OFDM) signal is affected by impairments introduced by electrical filters and optical chromatic dispersion. An enhanced fourth-power algorithm for phase estimation with frequency separation is used to estimate and compensate the phase rotation of OFDM subcarriers. The performance of the proposed phase estimation algorithm is evaluated on a 4-Gb/s OFDM signal at different frequencies. Experimental results using the proposed algorithm show a 1.8-dB received power sensitivity improvement at a bit error rate of 1×10-4 after a 100-km standard single-mode fiber transmission, compared with the conventional technique.

AB - The optical orthogonal frequency division multiplexing (OFDM) signal is affected by impairments introduced by electrical filters and optical chromatic dispersion. An enhanced fourth-power algorithm for phase estimation with frequency separation is used to estimate and compensate the phase rotation of OFDM subcarriers. The performance of the proposed phase estimation algorithm is evaluated on a 4-Gb/s OFDM signal at different frequencies. Experimental results using the proposed algorithm show a 1.8-dB received power sensitivity improvement at a bit error rate of 1×10-4 after a 100-km standard single-mode fiber transmission, compared with the conventional technique.

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Enhanced fourth-power algorithm for phase estimation with frequency separation in direct-detection optical OFDM systems

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