Direct-Detection Optical OFDM Transmission System Without Frequency Guard Band
Direct-Detection Optical OFDM Transmission System Without Frequency Guard Band
复制标题
无频率保护带的直接检测光正交频分复用传输系统
DOI:
10.1109/lpt.2010.2044656
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发表时间:
2010-06
影响因子:
2.6
通讯作者:
Dong, Ze
中科院分区:
文献类型:
--
作者:
Cao, Zizheng;Yu, Jianjun;Wang, Wenpei;Chen, Lin;Dong, Ze
Interleaver and turbo code techniques are used in high spectral-efficient direct-detection optical orthogonal frequency-division-multiplexing (OFDM) transmission systems allowing significant improvement of optical receiver sensitivity by mitigating the unbalanced noise distribution in subcarrier signals. The optical signal-to-noise ratio of 5.18 Gb/s, 7.77-Gb/s coded OFDM (5.18 Gb/s after decoding), and 7.77-Gb/s coded OFDM with interleaver (5.18 Gb/s after decoding) over 200-km single-mode fiber at a bit-error rate of 10-4 are 23.7, 18.0, and 17.1 dB, respectively.
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