基于OCDMA理论的电光组合相干通信系统

Peng Zhou, Ye Lu, Dong Cheng, Chuanqi Li
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引用次数: 0

摘要

随着数据的爆炸式增长和网络规模的不断扩大,网络中的频谱资源问题越来越严重,阻碍了互联网的发展。针对光码分多址(OCDMA)系统的频谱利用问题,给出了一种可能的通信方案策略,并对其进行了分析,推导出了编码和解码状态的表达式。我们设计了一个数据速率为5Gbit/s,传输距离为620km的实验系统。结果表明,该方法具有较高的用户数据恢复精度。此外,我们在传输距离和误码率(BER)方面比较了相干和非相干系统。仿真结果表明,该方案比非相干系统传输距离更远,误码率更低。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Electro-optic Combination Coherent Communication System Based On OCDMA Theory
With the explosive growth of data and the continuous expansion of the network scale, the spectrum resource problem in the network is becoming more and more serious, which hinders the development of the Internet. Aiming at the problem that the spectrum utilization of the optical code division multiple access (OCDMA) system, we give a possible strategy for communication scheme, analyze them, and derive expressions for coding and decoding states. We design an experimental system with the data-rate of 5Gbit/s, the distance of 620km. The results indicate the high recovery accuracy of the user data. Furthermore, we compare coherent and incoherent systems in terms of transmission distance and bit error rate (BER). The simulation results show that the scheme we proposed can transmit longer distances and the BER is lower than incoherent systems.
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