Abstract
Leach (low energy adaptive clustering hierarchy) algorithm is a self-clustering topology algorithm. Its execution process is cyclical. Each cycle is divided into two phases: cluster building phase and stable data communication phase. In the stage of cluster building, the adjacent nodes cluster dynamically and randomly generate cluster heads. In the data communication phase, the nodes in the cluster send the data to the cluster head, and the cluster head performs data fusion and sends the results to the aggregation node. Because the cluster head needs to complete data fusion, communication with the convergence node and other works, the energy consumption is large. Leach algorithm can ensure that each node acts as cluster head with equal probability, so that the nodes in the network consume energy relatively evenly. The basic idea of Leach algorithm is to randomly select cluster head nodes in a circular way. It evenly distributes the energy load of the whole network to each sensor node in the network. It can reduce network energy consumption and improve network life cycle. Leach repeatedly performs cluster refactoring during its operation. This paper studies the parameter detection of wireless sensor network based on Leach algorithm on the on-chip embedded debugging system. Because the classical low-power adaptive clustering layered protocol (Leach) has the problem of energy imbalance and short node life cycle, this paper uses embedded debugging technology based on Leach algorithm and the residual energy and position of nodes in wireless sensor networks were tested for research. This Leach algorithm uses the concept of wheel. Each round consists of two phases: initialization and stabilization. In the initialization stage, each node generates a random number between 0 and 1. If the random number generated by a node is less than the set threshold T (n), the node publishes a message that it is a cluster head. Through the research on the parameter detection, the simulation results show that the research in this paper has good feasibility and rationality.
Highlights
Research BackgroundSince entering the 21st century, the development of high and new technology is changing with each passing day. e development and fusion of wireless communication technology, sensor technology, embedded computing technology, and distributed information processing technology promote the generation and development of modern wireless sensor networks
Leach algorithm is a self-clustering topology algorithm
In early August 2002, the national science foundation (NSF), the defense advanced research projects agency (DARPA), NASA, and other 12 main research institutes at the University of California, Berkeley, jointly organized the “national seminar” on the future sensor system [3] and discussed the future sensor system and its development direction in the engineering application. e meeting discussed the realization of wireless sensor networks and the research of sensor data transmission, analysis, and decision making technologies, which are the same as the new sensor technologies based on nanotechnology and micromachinery, and represent the frontier direction of future sensor research and battlefield information perception
Summary
Since entering the 21st century, the development of high and new technology is changing with each passing day. e development and fusion of wireless communication technology, sensor technology, embedded computing technology, and distributed information processing technology promote the generation and development of modern wireless sensor networks. As a new technology in fields of communication, automation, and computer, wireless sensor network has the advantages of high monitoring accuracy, good fault tolerance, and wide coverage. In early August 2002, the national science foundation (NSF), the defense advanced research projects agency (DARPA), NASA, and other 12 main research institutes at the University of California, Berkeley, jointly organized the “national seminar” on the future sensor system [3] and discussed the future sensor system and its development direction in the engineering application. Several laboratories at the University of California, Berkeley, continued to conduct indepth research on wireless sensor networks and made some pioneering studies on wireless sensor networks from different perspectives. Zhejiang University has established the wireless sensor network test group, which is specialized in the hardware implementation of wireless sensor network
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