A Privacy Conscious Bluetooth Infrastructure for Location Aware Computing
Author(s)
Huang, Albert
Rudolph, Larry
Date Issued
January 2005
Series/Report no.
Computer Science (CS);
Abstract
We present a low cost and easily deployed infrastructure for location aware computing that is built using standard Bluetooth® technologies and personal computers. Mobile devices are able to determine their location to room-level granularity with existing bluetooth technology, and to even greater resolution with the use of the recently adopted bluetooth 1.2 specification, all while maintaining complete anonymity. Various techniques for improving the speed and resolution of the system are described, along with their tradeoffs in privacy. The system is trivial to implement on a large scale – our network covering 5,000 square meters was deployed by a single student over the course of a few days at a cost of less than US$1,000.
Subjects
bluetooth
location aware computing
privacy
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