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This study is aimed to establish a wireless sensor network (WSN) gateway model prior to the back-end server for diverse environmental monitoring applications. The design catalogs different sensor data with transmission load balance to incorporate heterogeneity of sensor signals, stability of data transportation, and expenditure of mobile communication. As considering a variety of sensor characteristics...
In this paper, we present a network server that uses AJAX and VML technology to broadcast multiple sensor data in real time, all sensor data are also recorded in a SQL database. The lower layer software collect sensor data through different interface including RS232, 485, network and wireless network, then convert different sensor data into a XML format and send them to the server. User can choose...
In this paper, we present the Smart City Architecture developed in the context of the ARTEMIS JU SP3 SOFIA project. It is an Event Driven Architecture that allows the management and cooperation of heterogeneous sensors for monitoring public spaces. The main components of the architecture are implemented in a testbed on a subway scenario with the objective to demonstrate that our proposed solution,...
With the application of SensorGIS technique in the monitor system of toxic gases. we can dynamic monitor the monitor scope as well as release and share the monitoring news realtime. The toxic and harmful gas monitor system based on this technique monitors the toxic and harmful gas in monitor scope timely using WSN. WebGIS can position analyze and synchronous dispay the news which has been monitored...
Heart diseases are the serious health threats to human beings. Traditional cardiac monitoring systems are unsatisfactory to prevent the sudden death events caused by heart diseases. A pervasive cardiac monitoring system is thus developed, which can provide a real-time continuous cardiac care and arrhythmias detection service for any person at any time in any place. This paper gives a detailed description...
This paper introduces several new developments in the SmartBrick structural health monitoring platform. The system, which has been described in previous papers, provides an extremely low-power, long-term method for remote structural health monitoring. The system is capable of monitoring a diverse range of environmental and structural phenomena, including strain, vibration, tilt, and temperature; and...
This article puts forward a method to access the data and analyzed results from the monitoring system of environment based on WSN with the B/S mode. It resolves the problem of low speed of page refresh with Ajax. The experiment shows that the partial refresh feature of Ajax can make it possible for the users to get access to the data and analyzed results easily through the browser, and experience...
This paper presents our experience in building an infrastructure of combining ZigBee with Web services for remote accessing and control of a network. A prototype traffic monitoring system was implemented based on this infrastructure as a proof-of-concept. However there is a much wider range of applications for this infrastructure. Currently, the infrastructure mainly concerns with the information...
In this paper we develop a Web-based monitoring system which collects various kinds of environment information inside a building in real-time and monitors those in real-time by establishing a sensor network inside the building. To realize this system, this paper, we use Micaz mote sensor node which is equipped ATMega128L to use for measuring various kinds of environment data values and a sensor node's...
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