Quantum wireless mesh network routing method and architecture based on entanglement exchange

An entanglement exchange, quantum technology, applied in the field of quantum communication, can solve problems such as consuming network resources, unable to solve loops, increasing network load, etc.

Active Publication Date: 2019-07-05
深圳鼎智达表计信息科技有限公司
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Problems solved by technology

However, this solution does not address how to avoid possible loops during route discovery
[0010] (2) In the existing wireless quantum Mesh network technology, the appropriate communication path is not selected through the idea of ​​the minimum spanning tree, and the node routers are numbered and marked, so that the appropriate

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  • Quantum wireless mesh network routing method and architecture based on entanglement exchange
  • Quantum wireless mesh network routing method and architecture based on entanglement exchange
  • Quantum wireless mesh network routing method and architecture based on entanglement exchange

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[0084] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0085] For the wireless quantum mesh network with complex structure, the invention proposes and analyzes a new routing protocol. First, to avoid network storms, the minimum spanning tree method is used when establishing classical channels between nodes. Second, a new method for establishing quantum channels is proposed. This new method is more efficient than the commonly used "approximation at both ends" method. Finally, quantum information transfer is accomplished through quantum teleportation.

[0086] like figure 1 The quantum wireless mesh network routing method based on entanglement exchange provided by the embodi...

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Abstract

The invention belongs to the technical field of quantum communication, and discloses a quantum wireless mesh network routing method and architecture based on entanglement exchange. The method comprises the following steps: taking a comprehensive weight value of node hops and round-trip time parameters in a wireless quantum mesh network as an overhead value of a route, enabling each node to be accessed to the network step by step by using a minimum spanning tree method, and constructing a classical channel in the network; then preparing and distributing entangled particles by a part of nodes inthe network, and performing quantum entanglement exchange and measurement by the other part of nodes to construct a quantum channel; and finally, carrying out quantum information transmission betweenthe source node and the destination node through a quantum stealth state transfer method. According to the method, the wireless quantum mesh network with a complex structure can be logically regardedas a tree-shaped ring-free network topology, so that the generation of network storms is avoided; a ''pairwise combination'' scheme is proposed to establish a quantum channel between a source node and a destination node.

Description

technical field [0001] The invention belongs to the technical field of quantum communication, and in particular relates to a quantum wireless mesh network routing method and architecture based on entanglement exchange. Background technique [0002] At present, the existing technologies commonly used in the industry are as follows: [0003] Quantum communication is an interdisciplinary subject combining classical information theory and quantum mechanics. It is a new communication method that uses quantum states to carry information. It breaks through classical communication technology in terms of communication security, computing power, information transmission, channel capacity, and measurement accuracy. It has become the new direction and mainstream of the development of communication and information field in the 21st century. Compared with classical communication, a major advantage of quantum communication is that it can achieve security under strict mathematical proof. ...

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Application Information

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IPC IPC(8): H04W40/24
CPCH04W40/24
Inventor 张焱昌燕张仕斌
Owner 深圳鼎智达表计信息科技有限公司
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