Iterative Channel Equalization for ADO-OFDM in Short-Haul Fiber-Optical Links

被引：0
|
作者：
He, Zhixue [1 ]
Luo, Ming [1 ]
Li, Xiang [2 ]
机构：
[1] Wuhan Res Inst Posts & Telecommun, State Key Lab Opt Commun Technol & Networks, Wuhan, Hubei, Peoples R China
[2] Wuhan Res Inst Posts & Telecommun, Natl Informat Optoelect Innovat Ctr, Wuhan, Hubei, Peoples R China
来源：
2018 ASIA COMMUNICATIONS AND PHOTONICS CONFERENCE (ACP) | 2018年
基金：
中国国家自然科学基金;
关键词：
Channel equalization; Short-haul; ADO-OFDM; Power efficiency;
D O I：
暂无
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Asymmetrically clipped DC biased optical OFDM (ADO-OFDM) is theoretically more optically power efficient than DC-biased OFDM (DCO-OFDM) and spectral efficiency of asymmetrically clipped optical OFDM (ACO-OFDM). In this paper, we investigate the effect of power ratio between the ACOOFDM and DCO-OFDM to optimize the performance of ADOOFDM. Then we propose iterative channel equalization with nonlinear compensation to further improve the system performance. Finally, we experimentally demonstrate ADOOFDM transmission over 20-km single mode fiber at 1.5 dB and 2 dB performance improvement for 4-QAM and 16-QAM formats.
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页数：3
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