Security-Enhanced OFDM-PON Using Hybrid Chaotic System
Security-Enhanced OFDM-PON Using Hybrid Chaotic System
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DOI：
10.1109/lpt.2014.2370757
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发表时间：
2015-02
影响因子：
2.6
通讯作者：
M. Cheng;L. Deng;Xiaojing Gao;Hao Li;M. Tang;S. Fu;P. Shum;Deming Liu
中科院分区：
文献类型：
--
作者：
M. Cheng;L. Deng;Xiaojing Gao;Hao Li;M. Tang;S. Fu;P. Shum;Deming Liu
提出了一种基于模数混合混沌系统的正交频分复用无源光网络（OFDM-PON）双域加密方案。在我们的方案中，下行数据在光场加密，上行数据在电场加密。混合混沌系统规避了模拟和数字混沌的安全漏洞，例如，该方法利用模拟混沌的周期性来掩盖数字混沌的周期性，通过注入数字混沌来掩盖模拟系统的时延特征。同时，系统的关键空间维度得到了扩展。仿真结果验证了所提出的OFDM-PON系统的可行性和安全性。
A dual-field encryption scheme of an orthogonal frequency division multiplexing passive optical network (OFDM-PON) is proposed based on analog-digital hybrid chaotic system. In our scheme, the downstream data are encrypted in optical field, and the upstream data are encrypted in electrical field. The hybrid chaotic system circumvents the security vulnerabilities of both analog and digital chaos, e.g., the periodicity of digital chaos is masked by the analog one, and the time delay signature of the analog system is concealed by injecting digital chaos. Meanwhile, the key space dimension of the system is enlarged. Simulation results show both the feasibility and security of the proposed OFDM-PON system.