A simple amplitude decision based symbol timing synchronization method for real-time IMDD-OOFDM systems

被引：0

作者：

Zhang, Qianwu ^{[1
]}

Liu, Min ^{[1
]}

Zhang, Junjie ^{[1
]}

Wu, Weiliang ^{[1
]}

Wang, Min ^{[1
]}

Chen, Jian ^{[1
]}

机构：

[1] Shanghai Univ, Shanghai Inst Adv Commun & Data Sci, Key Lab Specialty Fiber Opt & Opt Access Networks, Shanghai 200072, Peoples R China

来源：

OPTICAL AND QUANTUM ELECTRONICS | 2019年 / 51卷 / 01期

基金：

上海市科技启明星计划; 中国国家自然科学基金;

关键词：

Amplitude decision; IMDD-OOFDM transmission system; Symbol timing synchronization; Real-time optical system; OFDM SYSTEMS; TRANSMISSION; FREQUENCY;

D O I：

10.1007/s11082-018-1720-9

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 simple amplitude decision based symbol timing synchronization method for real-time IMDD-OOFDM transmission systems is proposed and experimentally evaluated by using directly modulated DFB laser in 25km SSMF. The experimental results show that the hardware resource consumption of the proposed synchronization technique is only 6% of the total system which can effectively release the computation complexity without sacrificing the synchronization accuracy. Less than 2 samples offset error of synchronization accuracy can be achieved at received optical power as low as -20dBm without employing correlation and multiplication operations.

引用

页数：9