Asian Journal of Information Technology

Year: 2012
Volume: 11
Issue: 6
Page No. 216 - 224

Study and Implementation of Environmental Monitoring System (EMS) Using WSN

Authors : N.K. Karthikeyan, K. Venkatachalam and R. Prabhakaran

Abstract: Wireless sensor networks are currently an active research area mainly due to the potential of their applications. A WSN consists of number of sensors spread across a geographical area. Each sensor has wireless communication capability and some level of intelligence for signal processing and networking of data. Sensor networks require technologies from three different research areas: sensing, communication and computing. Sensor Networks (SNs) facilitate the study of fundamental processes and the development of response systems. Various applications of WSN are animal habitat study, health monitoring, military applications, environmental monitoring, etc. Among these, environmental monitoring represents a class of sensor networks which facilitates the process of monitoring of the environmental variables such as temperature, humidity, light, etc. In agricultural sector, at present farmers are using conventional methods for environmental monitoring which has a problem of poor accuracy and efficiency. So, an effective environmental monitoring system is needed to provide an interface for collecting and analyzing the measured values from the agricultural field. In the proposed research, sensor nodes in a WSN professional kit sense temperature, light and humidity from their surroundings and send these parameters to the base station. The base station in turn sends to the interface called Mote view. Mote view interface is connected with postgre SQL and through web applications data is viewed and inserted in SQL. In Web applications client side data can be viewed by target audience. Its server tier provides data logging, database storage for forwarding sensor data from Mote gateway for further processing and analyzing. The maximum, minimum and average value of each parameter is analyzed. These are updated to server data base along with the given location and date for processing. In addition to the environmental monitoring of various parameters, the project also aims to provide an alert signal if the conditions are exceeding certain threshold level in a real-world environment.

How to cite this article:

N.K. Karthikeyan, K. Venkatachalam and R. Prabhakaran, 2012. Study and Implementation of Environmental Monitoring System (EMS) Using WSN. Asian Journal of Information Technology, 11: 216-224.

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