Framework for Proximity Aware Mobile Services

Framework for Proximity Aware Mobile Services

Jon T.S. Quah (Nanyang Technological University, Singapore) and V. Jain (Nanyang Technological University, Singapore)
DOI: 10.4018/978-1-60566-378-4.ch009
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Abstract

This chapter discusses a service oriented framework to realize proximity aware services for mobile devices. It describes the architecture at both client and server ends. Using the proposed framework we develop a prototype to realize a real world application. The chapter ends with a discussion on the framework and possible future enhancements.
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Literature Review

Most notable works on this topic have been from Dey et al(2000), Abowd G.D et al(1997) and Schilit et al(1994). Active Badges (Want, Hopper et al. 1992) is perhaps the first implemention of context aware application. This was an infrared transmitter that transmitted a unique identity code. As users moved throughout their building, a database was being dynamically updated with information about each user’s current location, the nearest phone extension, and the likelihood of finding someone at that location (based on age of the available data). Servers are designed to poll the Active Badge sensor network distributed throughout the building and to maintain current location information. Applications that use these servers simply poll the servers for the context information that they collect. This was an application specific implementation and offered little scope for applying the same design for some other application.

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