Research And Optimization Of Wireless Multi-hop Routing Protocol Based On Quantum Communication

With the rapid development of the network information age,the information exchange in the network is increasing rapidly.Traditional communication has gradually failed to meet people's requirements for information security.As a new type of communication,quantum communication has gradually become a key research topic in all countries of the world due to its absolutely secure communication characteristics.In the research of quantum wireless communication routing protocol,due to the influence of quantum noise,in order to obtain a high-quality communication path,the path with lower noise is usually used for communication.In this way,the number of entangled particles on the communication path is low,resulting in poor communication stability.in the routing request process,the network usually uses message broadcast mechanism to reduce the amount of routing calculation,but this way increases the energy consumption of the network.Therefore,this paper focuses on the problem of communication instability and excessive energy consumption in quantum wireless communication routing protocols.Two solutions are proposed:(1)Communication stability scheme based on Ad HOC On-demand Distance Vector Algorithm(AODV)routing protocol;(2)Low energy consumption scheme based on ant colony algorithm.The specific research content of this paper is as follows:(1)the research background and significance of quantum communication are introduced,the research status of wireless self-organizing network and quantum communication is described,and the advantages of quantum communication over traditional communication are analyzed.(2)Introducing the basic principle of quantum communication and several noise models in quantum communication,and introducing the communication characteristics of wireless ad hoc networks,and analyzing and comparing on-demand routing protocols and table-driven routing protocols.(3)Optimizing the problem of poor communication stability under the AODV protocol,In order to avoid the problem of communication instability caused by too few entangled particles between nodes in the communication path.When the destination node selects the path,the influence of the number of entangled particles and quantum noise on the communication is fully considered,and a comprehensive measurement scheme is given.The simulation results show that the optimized AODV protocol improves the minimum number of particles between nodes,and balances the consumption of entangled particles in the network,but has a certain impact on the fidelity of information.(4)Aiming at the problem of excessive energy consumption caused by AODV protocol broadcast routing request,a low energy routing scheme based on ant colony algorithm is proposed.In order to enable ants to preferentially select nodes with higher energy and lower noise,the ant colony algorithm's transition probability formula is improved when the ants perform path selection.The scheme fully considers the influence of quantum noise and residual energy of the node,reduces the message broadcast in the route discovery process,and sets the quantum noise threshold in the communication network,so that the ant can rewrite the pheromone on the path with excessive noise to the minimum.which reduces the probability of subsequent ants selecting high noise nodes for communication and reduces unnecessary energy consumption.Simulation results show that the improved ant colony algorithm reduces the energy consumption of the network.