Research On Non-uniform Clustering Routing Protocol In Wireless Sensor Networks

With the development of the Internet of things,WSN technology,one of the most important technologies,has also developed rapidly.Because the biggest problem of WSN technology is energy constraints,WSN research focuses on reducing network energy consumption and increasing the energy utilization of nodes.Optimization of routing protocols is one of the effective ways.In order to optimize the WSN routing protocol,the routing protocol of wireless sensor network is studied in this paper.The characteristics and application scenarios of the existing WSN routing protocol are summarized.Then the design ideas and principles are analyzed in depth.The main problems are summarized as: energy consumption in Wireless Sensor Networks.In order to improve the energy consumption of the network,two aspects are improved from the multi path and the node partition cluster according to the existing problems.In order to improve the low energy utilization of routing protocols,this paper first considers the multipath.By improveing the computing method of the competitive radius of the candidate cluster heads for non uniform routing protocol(EEUC),the selection of the final cluster heads is more reasonable.At the same time,the reliability evaluation parameters of the node are proposed? And the multiple paths of data transmission are established according to the reliability evaluation parameters.The improved algorithm takes account of the factors such as the available buffer,residual energy,the number of members in the cluster and the quality of the channel,which improves the premature death of the single transmission path and reduces the network delay.In order to improve the long chain problem in the network,the energy utilization of sensor nodes in the network is further improved.This paper takes into consideration the node partition cluster.The remaining energy of the sensor node,the scope of the cluster is taken into account.The method of chain formation by regional inhomogeneous cluster cluster is adopted to divide the monitoring area into subregions according to the actual situation.Then in the subregion,the modified PEGASIS chain rule is used to chain,and the interregional chain is finished.Finally,the simulation comparison of LEACH,PEGASIS,EEUC and improved MEEUC and PEGASIS-C is carried out through the NS2 simulation platform.It is concluded that the improved protocol has better performance in increasing the utilization of nodes,balancing the overall energy consumption of the network and increasing the network lifetime.