Travel Tech

Wifi-based Indoor Navigation with Mobile GIS and Speech Recognition

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Executive Summary

As the development of mobile communications and wireless networking technology and people's increasing demand for wireless location services, positioning services are more and more important and become the focus of research. However, the most common technology which supports outdoor positioning services is Plobal Positioning System (GPS), but GPS has been subjected to some restrictions in the complex environment. WLAN (Wireless Local Area Networks) has matured gradually in recent years, so positioning technique based on Wi-Fi can assist GPS. In this paper, the authors describe two positioning techniques based on WLAN: triangulation and fingerprinting. Additionally, the method which associated with speech recognition and spatial data model is presented.

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