A novel orthogonal modulation format of D8PSK/ASK with differential bi-phase encoding and its application in a label switching optical network

被引:7
作者
Xing Zhang
Xiao-lei Zhang
Yong-jun Wang
Xiang-jun Xin
Xiao-li Yin
Ling Li
Ji-jun Zhao
机构
[1] State Key Laboratory of Information Photonics and Optical Commnuications, Beijing University of Posts and Telecommnuications
[2] Department of Electronic Science and Technology, Beijing Normal University
[3] School of Information and Electrical Engineering, Hebei University of Engineering
来源
Zhang, X. (zhangxing@bupt.edu.cn) | 1600年 / Springer Verlag卷 / 08期
基金
中国国家自然科学基金;
关键词
Signal encoding;
D O I
10.1007/s11801-012-1121-4
中图分类号
学科分类号
摘要
The principle of a novel orthogonal modulation format of differential 8-level phase-shift keying amplitude-shift keying (D8PSK/ASK) with differential bi-phase encoding (DBC) is introduced. Based on it, an optical labeling scheme, in which the payload is 100 Gbit/s D8PSK signal and the label is 10 Gbit/s DBC-ASK signal, is proposed and simulated. The results are compared with other current schemes, and the effects of transmission range, modulation extinction ratio (ER) and received power on system performance are analyzed, respectively. The results show that the spectrum efficiency and bit error rate (BER) are improved greatly, and when the modulation ER is increased to 11 dB, the balanced performance between the payload and label is achieved. © 2012 Tianjin University of Technology and Springer-Verlag Berlin Heidelberg.
引用
收藏
页码:129 / 133
页数:4
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