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

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. ...

AI Technical Summary

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 node routers prepare and distribute entangled quantum pairs to establish quantum channels and transmit quantum information

However, these methods require many measurements, and these measurement information will be transmitted through classical channels, consuming a lot of network resources and increasing the load on the network

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