Opportunistic quantum network coding method

A network coding and quantum technology, applied in the field of communication network to achieve the effect of security

Active Publication Date: 2015-01-21
BEIHANG UNIV
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Problems solved by technology

Compared with classical network coding, the research of quantum network coding is still in its infancy, and further in-depth research is needed

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Embodiment Construction

[0038] An opportunistic quantum network coding method proposed by the present invention needs to solve the following two problems: (1) Due to the perturbation detectability of quantum communication, any eavesdropping on the quantum channel can be discovered by the communicator, and the opportunistic network coding requires Communication nodes can monitor the status of surrounding nodes, so it forms a contradiction with the non-monitoring nature of quantum channels. How to distinguish between malicious eavesdropping and legal eavesdropping is the primary problem that must be solved; (2) How to make quantum network coding capable of listening to messages And the opportunistic nature of choosing an encoding? The quantum channel is used to ensure the absolute security of communication, and the listenable nature of the classical channel is used to realize the opportunistic characteristics, thereby realizing the opportunistic characteristics of quantum network coding.

[0039] Main re...

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Abstract

The invention provides an opportunistic quantum network coding method. The opportunistic quantum network coding method is characterized by being designed by giving full play to the characteristics of quantum teleportation, specific classical information is characterized by means of quantum states and transferred through a quantum teleportation method, opportunistic monitoring is achieved through classical channels, and opportunistic characteristics of quantum network coding are achieved; the method includes ten steps. According to the opportunistic quantum network coding method, the classical opportunistic network coding thought is applied to quantum network coding, the absolute security of communication is guaranteed by means of the quantum channels, and thus by means of the character that the classical channels can be monitored, quantum network coding with opportunistic characteristics is achieved; as a result, the security of quantum information transmission in a quantum network coding model is enhanced, and the transmission performance of the quantum network is further improved beneficially.

Description

technical field [0001] The invention relates to an opportunistic quantum network coding method, which belongs to the technical field of communication networks. Background technique [0002] Network coding theory was proposed by R.Ahlswede and other scholars in 2000. Its epoch-making significance lies in breaking through the conclusion that commodity flow cannot be compressed in classical information theory, and pointing out that network information flow can be compressed, thereby further improving network throughput. Subsequently, network coding has attracted extensive attention from academia and industry, and has developed rapidly in theory and application. In 2006, based on the idea of ​​combining opportunistic routing and network coding, Katti and other scholars proposed the first realizable and typical opportunistic network coding protocol COPE (complete opportunity encoding, complete opportunity coding), which can be applied to wireless multi-hop networks. . The bigge...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/08H04L12/26
Inventor 尚涛杜岗李娇裴壮彭天丽刘建伟
Owner BEIHANG UNIV
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