40Gbit/s交替标记反转编码自由空间光学系统

2021 IEEE 9th International Conference on Information, Communication and Networks (ICICN) Pub Date : 2021-11-25 DOI:10.1109/icicn52636.2021.9673880

Jie Yang, Yufeng Shao, An-rong Wang, Zhuang Wang, Qinzheng Hu, Qiming Yang, N. Yu

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引用次数: 3

摘要

采用该方案设计了一个40Gbit/s的自由空间光通信系统，该系统采用交替标记反转(AMI)编码信号。采用密集波分复用(DWDM)复用器，完成16路AMI编码信号的同时复用，实现40Gbit/s光信号的收发。对系统进行建模分析，数值仿真测试了DWDM-AMI信号通过1km FSO信道传输前后的时域图、频谱图、眼图、误码率(BER)等指标。结果表明:192.4THz AMI信号最佳解码决策点为0.593,Q因子为15.9;193.1THz AMI信号最佳解码决策点为0.597,Q因子为15.1。

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A 40Gbit/s Alternate Mark Inversion Encoded Free Space Optical System

A 40Gbit/s Free Space Optical (FSO) communication system using Alternate Mark Inversion (AMI) encoded signals is designed in this scheme. It uses Dense Wavelength Division Multiplexing (DWDM) multiplexer to complete the simultaneous multiplexing of 16-channel AMI encoded signals, realizing the transceiver and transmission of 40Gbit/s optical signal. Modeled analysis the system, numerical simulation tested the time domain diagram, spectrum diagram, eye diagrams, bit error rate (BER) and other indicators of the DWDM-AMI signal before and after transmission through the 1km FSO channel. The results show that the 192.4THz AMI signal best decoding decision point is 0.593, Q factor is 15.9; The 193.1THz AMI signal best decoding decision point is 0.597, Q factor is 15.1.

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来源期刊

2021 IEEE 9th International Conference on Information, Communication and Networks (ICICN)

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