Method and device for collecting energy state of wireless sensor network

Abstract

The invention discloses a method and a device for collecting an energy state of a wireless sensor network. The method includes that data inquiry and transmission uses a threshold value detection method, test data is processed by a base station, initial energy of nodes is used to subtract a current data to obtain residual energy of the nodes, and then a residual energy distribution map of the nodes with the residual energy lower than a certain specific value in a network is drawn. The device comprises an algorithm implementation module, a simulation interface, a data processing module, a node self-energy module, a communication module and a PC (personal computer) machine. Number of the nodes participating in communication and calculation is limited by setting a threshold value, node information of the residual energy within customers' needs range is only obtained, other non-user interesting nodes do not participate in communication, and accordingly communication traffic is greatly lowered, and energy consumption is saved. Relationship of precision and energy consumption is effectively balanced by adjusting the threshold value.

Description

technical field [0001] The invention relates to a wireless sensor network energy monitoring system, belongs to the technical field of wireless sensor network event monitoring, and specifically relates to an innovative technology of a wireless sensor network residual energy monitoring method. Background technique [0002] Wireless sensor network nodes are powered by batteries with limited energy. Since the nodes are generally scattered in harsh environments or unsupervised areas, the batteries cannot be replaced basically. Therefore, the research on energy consumption of wireless sensor network is a research of great significance. At present, the algorithm of energy efficiency and energy perception has become one of the research hotspots. Essentially, they all conduct research based on the remaining energy information of nodes: in the study of energy availability, the remaining energy value of a node is used as an index to judge whether the energy is valid or not; in the stu...

AI Technical Summary

Problems solved by technology

[0003] Moreover, the existing monitoring methods for remaining energy are mainly designed based on cluster tree topology, the most typical one is eScan, and most of the others are improved on the basis of it. These methods realize the monitoring of the remaining energy of nodes to a certain extent. monitoring, but the existing algorithm uses the flooding method to query and transmit data, which greatly increases the traffic, thereby increasing energy consumption and poor energy efficiency

In addition, when performing information transmission query, the existing algorithm does not limit the data to be queried, so the number of times of information transmission is relatively large, which will also increase the traffic

Under the existing algorithm, the original data or local processing results become past tense information after multiple transmissions, so the real-time performance of this monitoring method is poor

Images