GeoPointing: evaluating the performance of orientation-aware location-based interaction under real-world conditions

  • Authors:
  • Rainer Simon;Peter Frohlich;Thomas Grechenig

  • Affiliations:
  • Telecommunications Research Center Vienna, Vienna, Austria;Telecommunications Research Center Vienna, Vienna, Austria;Research Group for Industrial Software (INSO), Vienna University of Technology, Vienna, Austria

  • Venue:
  • Journal of Location Based Services - 4th International Conference on LBS and TeleCartography Hong Kong
  • Year:
  • 2008

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Abstract

The growing trend towards mobile phones with integrated GPS clearly suggests that navigation and location-based services (LBS) will be key applications for future mobile devices. New hardware features that are currently finding their way into state-of-the-art phones-such as digital compasses and tilt sensors-promise to drive the adoption of mobile geospatial services, and to change the way people navigate, explore and interact with their physical environment: location-based applications that exploit attitude information to realise orientation-aware interaction have been discussed in research for several years. Yet, few actual results on the achievable real-world performance of such systems exist in literature. In this article, we report on a series of function trials carried out with a prototype Geo-Wand-a portable system that allows users to access geo-referenced information by physically pointing towards objects in the real world. The application was realised with a mass market mobile phone connected to a Bluetooth GPS and a custom-built orientation sensor module. We present test results for multiple types of urban terrain and discuss the possibilities and limitations of this next-generation mobile LBS technology.