Abstract
Location tracking in an indoor environment is possible with various techniques based on mechanical, acoustical, ultrasonic, optical, infrared, inertial or radio signal measurements. Global Positioning System (GPS) is one of famous tracking system as a feasible and effective outdoor tracking system. Nowadays, location tracking information and visualization of 3D graphics either in outdoor or indoor environment had been presented as one of research issues. Traditional tracking system with 2D-image standard presents only few and dull information to users. In addition 2D localization only supports one level platform (i.e. horizontally). Thus, the 3D location tracking system had been developed to support multilevel network. In this paper we developed a real-time indoor tracking system with 3D locations which are able to provide more useful location tracking information to user using radio signals. This system had been developed for multiple levels building. For this project we used the existing Wireless Local Area Network (WLANs) attached devices called the access point (AP) to the edge of the wired network. Nodes communicate with the AP using a wireless network adapter similar in function to a traditional Ethernet adapter. The signal from the nodes or the APs that using WLAN can be read or calculated using Received Signal Strength Indication (RSSI) due to its low-cost solutions. Besides that, the system operates in the IPv6 network to provide more reliable system. The localization algorithm use is triangulation method which is suitable for indoor environment. In this paper we present the results of the 3D location tracking for one level as well as two level building. The results are comparing in terms of experimental and calculated.
Highlights
Location tracking has been of great importance since World War II, when military planners realized its usefulness for targeting, fleet management, positioning, and navigation
In this paper we present the results of the 3 Dimension (3D) location tracking for one level as well as two level building
Based on the algorithms described in the previous section, several tests had been performed, where the location of mobile node was calculated at different points in the rooms
Summary
Location tracking has been of great importance since World War II, when military planners realized its usefulness for targeting, fleet management, positioning, and navigation. Location tracking is not one single technology. Similar systems can be created to deliver location-based services to wireless devices. Current technologies being used to create location-tracking and location-based systems include Geographic Information Systems (GIS), Global Positioning System (GPS), Radio Frequency Identification (RFID), and Wireless Local Area Network (WLAN). Location tracking or location-based service system will use one or a combination of these technologies. The GPS receiver in a cell phone or an RFID tag on a DVD can be used to track those devices with a detection system such as GPS satellites or RFID receivers
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Published Version
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