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Bluetooth Based Smart Senor Networks

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Bluetooth Based Smart Senor Networks
Bluetooth Based Wireless Sensor Networks –Implementation Issues and Solutions
Srdjan Krco
Applied Research Lab, Ericsson Ireland
Invited paper
Abstract – Wireless sensor networks – networks of small devices equipped with sensors, microprocessor and wireless communication interfaces – are a technology that has gained a lot of interest lately. The broad spectrum of new and interesting applications, ranging from personal health-care to environmental monitoring and military applications, is proposed for such networks.
Various wireless technologies, like simple RF, Bluetooth,
UWB or infrared might be used for communication between sensors. In this paper the main principles, applications and issues of Bluetooth based wireless sensor networks, as well as an implementation of a simple Bluetooth based sensor network are described. The main problems experienced during the implementation and applied solutions are presented. 1. Introduction
In [1], a vision, called ubiquitous computing, of the world where humans and computers were seamlessly united is described. The essence of the vision was the creation of environments saturated with computing and communication in an unobtrusive way. Recently, WWRF (Wireless World
Research Forum) and ISTAG (IST Advisory Group) released their visions of the future communication networks [2], [3].
Both institutions envisage a vast number of various intelligent devices, embedded in the environment, sensing, monitoring and actuating the physical world, communicating with each other and humans.
Today, we are witnessing a rapid proliferation of various wireless devices with considerable computing power and fairly small size. These devices are still not, to paraphrase
Marc Weiser [1], indistinguishable from the fabric of everyday life, but are becoming a part of that fabric
(Bluetooth headset built as a part of jewellery for example).
Various sensors are already in a broad



References: [1] Mark Weiser, “The Computer for the Twenty-First Century”, Scientific American, 1991 Seattle, WA, August 17-19, 1999. [6] G.J ACM/IEEE Mobicom Conference, Seattle, WA, August, 1999 Symposium on Communication Theory and Applications (ISCTA 2001), Ambleside, UK, July 2001 Proceedings of the ACM MobiCom’99, Washington, USA, 1999, pp New York, 1994, pp. 908–909. [19] G of Telemedicine and Telecare 1 (1995) 183–184. [20] P physical world”, IEEE Personal Communications (October 2000) 10–15 networks”, ACM MobiCom’99, Washingtion, USA, 1999 [26] D. Estrin, R. Govindan, J. Heidemann, “Embedding the Internet”, Communication ACM 43 (2000)

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