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Safe optical interconnection system and method based on three-dimensional disturbance and elastic optical network

A technology of elastic optical network and optical interconnection, which is applied in the field of communication, can solve the problem of large transmission distance limitation, achieve good anti-illegal reception performance, improve security, increase complexity and the effect

Active Publication Date: 2021-06-04
NANJING UNIV OF INFORMATION SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Although the high-order modulation method can significantly improve the spectrum utilization rate, it is greatly limited by the transmission distance.

Method used

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  • Safe optical interconnection system and method based on three-dimensional disturbance and elastic optical network
  • Safe optical interconnection system and method based on three-dimensional disturbance and elastic optical network
  • Safe optical interconnection system and method based on three-dimensional disturbance and elastic optical network

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Embodiment Construction

[0058] Embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.

[0059] The invention patent is a safe optical interconnection system based on three-dimensional perturbation and elastic optical network such as figure 1 Shown: including data encryption unit, key generation unit, data decryption unit and elastic optical network unit;

[0060] The data encryption unit encrypts the information and transmits it to the elastic optical network unit;

[0061] The elastic optical network unit realizes information exchange;

[0062] The data decryption unit at the receiving end performs decryption and reorganization after receiving the information;

[0063] A key generating unit generates a scrambling matrix.

[0064] In the embodiment, the elastic optical network unit adopts 8×8 micromechanical optical switches to form an optical interconnection structure inside the cascaded cabinet cluster and between the cabinet...

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Abstract

The invention discloses a safe optical interconnection system and method based on three-dimensional disturbance and an elastic optical network, and the method comprises the steps: encrypting subcarriers, symbols and modes of a signal through a self-iteration improved Logistic chaotic system, and transmitting the encrypted subcarriers, symbols and modes into an optical network structure for packet transmission. The algorithm is simple in structure, an attacker must obtain three different chaotic mapping sequences to perform decryption by using the scheme due to three-time combined encryption, so that the reliability degree is quite high. The elastic optical network structure can distribute reasonable bandwidth resources according to the traffic of the transmission signal, so that the dynamic service requirement can be met, the utilization rate of the bandwidth is improved, and the method is an ideal choice in a scheme for enhancing the system safety and flexibility in a chaotic optical communication system.

Description

technical field [0001] The invention belongs to the field of communication technology, and in particular relates to a system and method for secure optical interconnection based on three-dimensional disturbance and elastic optical network. Background technique [0002] Passive optical network is an advanced defense solution to solve the high bandwidth requirements of the next-generation multi-user access network. Orthogonal frequency division multiplexing (OFDM) has a strong ability to resist multipath interference and is widely used in wired and wireless systems. Therefore, driven by the increasing demand for data transmission in modern optical communication systems, Orthogonal Frequency Division Multiplexing Passive Optical Networks (OFDM-PON) due to its high spectrum utilization, dispersion tolerance, low bandwidth requirements, anti-multipath interference and High signal transmission capacity has become the method to meet the requirements of next-generation networks. At ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q11/00H04L9/00H04L27/36H04L27/26
CPCH04Q11/0062H04Q11/0067H04L9/001H04L27/362H04L27/2628H04L27/2634H04Q2011/0086
Inventor 刘博忻向军任建新毛雅亚唐荣王瑞春沈磊吴泳锋孙婷婷赵立龙
Owner NANJING UNIV OF INFORMATION SCI & TECH
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