The Research of Optical Fast OFDM Based on Channel Estimation Algorithm

被引：7
|
作者：
Zhao, Li
He, Jing [1 ]
Zhou, Zhihua
Deng, Rui
Chen, Lin
机构：
[1] Hunan Univ, Minist Educ, Key Lab Micro Nanooptoelect Devices, Changsha 410082, Hunan, Peoples R China
来源：
IEEE PHOTONICS JOURNAL | 2016年 / 8卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Discrete cosine transform (DCT); fast orthogonal frequency-division multiplexing (FOFDM); intensity modulation and direct detection (IMDD); training sequence; interpolation;
D O I：
10.1109/JPHOT.2016.2565267
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A new channel estimation method is proposed based on fast orthogonal frequency-division multiplexing (FOFDM), which can be effectively used in our experiment based on intensity modulation and direct detection. In this experiment, the FOFDM subcarrier channel spacing is half of the symbol rate. The spectral efficiency of FOFDM is twice as large as that of OFDM, which can also be verified in our experiment.
引用
收藏
页数：5
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