Xiao Yaoqiang, Chen Yating, Wang Zhiyi
Opt Lett. 2021 Nov 15;46(22):5583-5586. doi: 10.1364/OL.436366.
A secure transmission scheme of a W-band millimeter-wave radio-over-fiber (RoF) system based on cellular neural network (CNN) and dynamic resource allocation is proposed, in which 7-D CNN chaotic system is composed to heighten the anti-deciphering ability of a secure system, and the spectrum resources are optimized by dynamic allocation. The analyses show that the key space of our scheme can reach approximately 10. The encrypted W-band millimeter-wave signal is successfully transmitted in the filter-OFDM RoF system of 50-km SSMF and 5 m wireless channel, and the experimental results illustrate that our proposed scheme can enhance the bit error ratio performance by approximately 0.3 dB compared with the traditional one.
提出了一种基于细胞神经网络（CNN）和动态资源分配的W波段毫米波光纤无线（RoF）系统安全传输方案，其中构建了7维CNN混沌系统以提高安全系统的抗破解能力，并通过动态分配优化频谱资源。分析表明，该方案的密钥空间可达约10。加密后的W波段毫米波信号在50 km单模光纤和5 m无线信道的滤波器正交频分复用（OFDM）RoF系统中成功传输，实验结果表明，与传统方案相比，该方案可将误码率性能提高约0.3 dB。
