Study on the Survival of Wireless Sensor Networks Based on Hierarchical Topology Control Method

Abstract

Wireless sensor network (WSN) is composed of a large number of sensor nodes, it can real-time monitor and collect various information of monitored objects and passed to the user for analysis and use. This paper studies and designs a hierarchical WSN network management architecture and communication model, focus on the wireless sensor network topology control mechanism and based on the analysis of the existing hierarchical topology control algorithms. On the introduction of node load, the judgment method and the backup cluster head, design a load balancing topology control algorithm, the cluster management WSN, effectively balance the node energy consumption, reducing the number of network clusters, and the cluster head failure. Design of WSN network management protocol has a simple data type, operation type and the format of the message level HWSNMP, the improved MER protocol code to PDU code, the coded data length ratio after using the BER code length is reduced by 10%. Based on the hierarchical structure as the research object and energy-saving topology, a comprehensive analysis of the LEACH algorithm in layered structures (physical model, algorithm), and compares the advantages and disadvantages and the existing typical algorithms based on LEACH, the cluster algorithm based on node energy balance, balance the node energy consumption to meet the clusters in the theory history.