An Opportunistic Quantum Network Coding Method

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

Active Publication Date: 2017-04-19
BEIHANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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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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  • An Opportunistic Quantum Network Coding Method
  • An Opportunistic Quantum Network Coding Method
  • An Opportunistic Quantum Network Coding Method

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Embodiment Construction

[0038] The 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, which contradicts the non-snoopy nature of quantum channels. How to distinguish malicious eavesdropping from legal snooping is the primary problem that must be solved; (2) How to make quantum network coding capable of monitoring messages And the opportunistic nature of the coding method? 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 characteristic, thereby realizing the opportunistic characteristic of quantum network coding.

[0039] The main realization idea of ​​the present in...

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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] The network coding theory was proposed by R.Ahlswede and other scholars in 2000. Its epoch-making significance is to break through the conclusion that the commodity flow cannot be compressed in the classic information theory, and point out that the network information flow can be compressed, thereby further improving the network throughput. Subsequently, network coding has received extensive attention from academia and industry, and has developed rapidly in theory and application. In 2006, based on the idea of ​​combining opportunity routing and network coding, Katti and other scholars proposed the first achievable and typical opportunity network coding protocol COPE (complete opportunity encoding), which can be applied to wireless multi-hop networks . The biggest feature of the COPE protoco...

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Application Information

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Patent Type & Authority Patents(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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