Efficient and reliable physical layer encryption high speed optical communication system
An optical communication system and encryption system technology, applied in optical transmission system, secure communication through chaotic signal, encryption device with shift register/memory, etc., can solve the problems of system security improvement, error diffusion, insufficient research and so on , to achieve the effect of reducing complexity, large access capacity and system security
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[0029] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.
[0030] Such as Figure 1-8 As shown, a kind of efficient and reliable physical layer encryption high-speed optical communication system of the present invention comprises optical OFDM encryption system and high spectral efficiency transmission system;
[0031] The optical OFDM encryption system includes high-dimensional OFDM encryption signal system, data acquisition, encryption, input key, mapping encryption sequence, forming encryption matrix, twiddle factor generation, IFFT and selecting optimal signal; the initial condition sets the symbol in high dimension Inside the OFDM encrypted signal system, the received data is collected through the in...
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