| Bluetooth wireless technology is gradually becoming a popular way to replace existing wireline connections with short-range wireless interconnectivity. It is also an enabling technology for new types of applications. In this chapter we give a short background and a condensed description of how the Bluetooth system works. We will focus on details that directly or indirectly relate to security issues and on the functionality that is important in order to understand the concept of the technology. The reference documentation for Bluetooth wireless technology is [1].
Bluetooth wireless technology is a short-range radio technology that is designed to fulfill the particular needs of wireless interconnections between different personal devices, which are very popular in today’s society. The development of Bluetooth started in the mid-1990s, when a project within Ericsson Mobile Communications required a way to connect a keyboard to a computer device without a cable. The wireless link turned out to be useful for many other things, and it was developed into a more generic tool for connecting devices. A synchronous mode for voice traffic was added and support for up to seven slaves was introduced. In order to gain momentum for the technology and to promote acceptance, the Bluetooth Special Interest Group (SIG) was founded in 1998. The group consists of many companies from various fields. By joining forces, the SIG members have evolved the radio link to what is now known as Bluetooth wireless technology. |
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