A Novel Timing Synchronization Method for U-OFDM-Based Visible Light Communication

被引：0
|
作者：
Du, Zhiyuan [1 ]
Zhou, Xian [1 ]
Long, Keping [1 ]
机构：
[1] Univ Sci & Technol Beijing, Beijing Engn & Technol Res Ctr Convergence Networ, Beijing 100083, Peoples R China
来源：
2015 24TH WIRELESS AND OPTICAL COMMUNICATION CONFERENCE (WOCC) | 2015年
关键词：
visible light communication; U-OFDM; timing synchronization;
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
Unipolar orthogonal frequency division multiplexing (U-OFDM) is compatible with optical intensity modulation and attract attention recently. Existing synchronization methods cannot be used directly or do not perform well in U-OFDM systems because U-OFDM signals are unipolar. Therefore, a novel synchronization algorithm, i.e., negative mirror image (NMI) algorithm, is proposed, where the training sequence is re-designed based on the characteristics of U-OFDM. Analysis and simulation results demonstrate that the proposed NMI method has excellent synchronization performance for the U-OFDM systems.
引用
收藏
页码：63 / 66
页数：4
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