Software-Defined Wireless Sensor Network Based On Mobile Agent Topology Discovery Design And Simulation

Wireless sensor network is one of the first ten emerging technologies that have changed the world in the 21st century,it has high reliability and flexibility.Timely and accurately grasp of the dynamic topological change information and the use of network resources is the core method of effective network management.Aiming at the problem of how the performance of wireless sensor network is improved,this paper carries out the research of software-defined wireless sensor network architecture and mobile agent-based topology discovery design,which mainly includes the following work:Firstly,some basic knowledge of wireless sensor networks and the advantages and disadvantages of the network are briefly introduced.The architecture and related technologies of the software-defined wireless sensor network are then summarized.Finally,the concept and application background of mobile agent technology are briefly introduced to lay the foundation for subsequent research.Subsequently,for the problems of many wireless sensor network nodes and limited energy,this paper proposes a simple and available software-defined wireless sensor networks.Firstly,the feasibility of the integration of software definition network and wireless sensor network is analyzed,and the functional characteristics of each module in the architecture are introduced.Subsequently,the feasibility of the protocol is verified by the simulation experiment based on the built hardware platform,and obtains good experimental results.Finally,in order to solve the limitation of resources in the wireless sensor network during communication,the transmission of control messages and data messages may cause conflict,congestion\n or interference.This paper proposes a mobile agent-based topology discovery technology in a software-defined wireless sensor network architecture.Under the condition of ensuring the communication quality between the control node and the common node,considering the changes of node's neighborhood set and the residual energy of each neighbor node according to the node's movement,a mobile agent migration route of minimal deployment cost is designed.The simulation results show that this method can effectively shorten the convergence time of network topology,reduce network energy consumption and balance network energy distribution.