Applications Data Exchange. Bluetooths Ability…

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Data exchange. Bluetooths ability to penetrate solid objects and its capability for maximum mobility within the piconet allow for many data exchange applications. For example, with Bluetooth a person could synchronise his phone to a PC without taking the phone out of his pocket or purse. heomnidirectional capability of Bluetooth allows synchronisation to start when the phone is brought into the range of the PC. This synchronisation doest require the phone to be in a fixed location. LAN access. Because there are no line-of-sight requirements, Bluetooth is well suited to wirelessly connect a device to a wired network. Also, multipoint capability allows multiple devices to effectively share the media. Since Bluetooths aggregate bandwidth is limited to 1 Mbps, the performance is not very encouraging. Dial-up networking. Emulating an EIA/TIA232 connection between a portable computer and a mobile phone for establishing a dial-up connection to the Internet is also an application targeted by Bluetooth. The primary advantage of Bluetooth is that the user can leave the mobile phone clipped to his belt or in a pocket and walk around for ...
... the entire dial-up connection. Voice applications. A native feature of the Bluetooth specification is synchronous voice channels. Bluetooth has the ability to reserve bandwidth for carrying digital voice data. It can support as many as three simultaneous full-duplex voice conversations within a piconet. Security issues. Since Bluetooth is omnidirectional, it can be monitored by a snooping device from any direction, including hidden locations. Bluetooth makes it possible to prevent eavesdroping on a conversation by providing authentication and encryption in its baseband protocol. Authentication relies on a challenge-response protocol utilising a secret key (password). Both devices must contain the same secret key. The protocol allows each device to authenticate the other. After the devices are authenticated, it is possible to encrypt the transmission for added security.
Technology developers Bluetooth technology is being developed through the combined contributions of the members of the Bluetooth Special Interest Group. Intel brings architectural knowledge, advanced silicon technology, manufacturing expertise, and software components to the group. Ericsson contributed the basic radio technology. Nokia contributed the radio technology and mobile handset software. IBM and Toshiba developed a common specification for integrating Bluetooth technology into mobile devices. Microsoft, Lucent technologies, Motorola, and 3Com have signed on as primary Bluetooth promoters. Many smaller companies worldwide have also signed up for royalty-free rights to the emerging standard.
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