16QAM/PPM光标记交换系统的仿真研究

李成; 曹永盛

doi:doi:10.16818/j.issn1001-5868.2019.04.022

半导体光电, 2019, 40 (4): 560, 网络出版: 2019-09-20

16QAM/PPM光标记交换系统的仿真研究

Simulation Research on 16QAM/PPM Optical Label Switching System

论文大纲

李成曹永盛

作者单位

电子科技大学信息与通信工程学院, 成都 611731

光标记交换技术脉冲位置调制高速光通信正交幅度调制 optical label switching pulse position modulation high speed optical communication quadrature amplitude modulation

摘要

提出一种脉冲位置调制光标记(PPM)与正交幅度调制(QAM)净荷相结合的光标记交换系统。利用仿真对携带40Gbit/s 16QAM净荷和2.5Gbit/s 2PPM标记的系统传输特性进行验证。通过优化系统频率间隔, 得到BER=10-9时, 标记和净荷的接收灵敏度与光信噪比(OSNR)分别为-28.51dBm/13.65dB和-22.03dBm/15.02dB。经96km光纤传输后, 传输代价均未超过1.5dB。结果证明: 16QAM/2PPM光标记交换系统具备良好的传输特性。

Abstract

Proposed is an optical label switching system based on pulse position modulation (PPM) optical label and quadrature amplitude modulation (QAM) payload. Simulations were performed to demonstrate the transmission characteristics of 16QAM/2PPM optical labeled system with 40Gbit/s payload and 2.5Gbit/s label. By optimizing system frequency spacing scheme, label/payload received sensitivity and optical signal-to-noise ratio (OSNR) reach -28.51dBm/13.65dB and -22.03dBm/15.02dB respectively, at a BER value of 10-9. The transmission penalty is less than 1.5dB after a fiber transmission distance of 96km. The results indicate that 16QAM/2PPM optical label switching system has excellent transmission performance.

参考文献

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李成, 曹永盛. 16QAM/PPM光标记交换系统的仿真研究[J]. 半导体光电, 2019, 40(4): 560. LI Cheng, CAO Yongsheng. Simulation Research on 16QAM/PPM Optical Label Switching System[J]. Semiconductor Optoelectronics, 2019, 40(4): 560.

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