BluetoothTM is a low cost, low power, short-range radio technology- originally perceived as cable replacement alternative for the cable / wire connected devices such as mobile phone hand, headsets, and portable computers. The BluetoothTM's goals expanded to include standardized wireless communications between any electrical devices and created a notion of Personal Area Network. The write-up traces history of BluetoothTM starting with its unusual name to formation of Special Interest Group, SIG's formation, its growth culminating into implementation of version 1.0b.
Version 1.0 of the Bluetooth came out in 1999-starting as early as 1994 by engineers from Ericsson. The specification is named after Harald Blatand- a tenth century Viking. Ericsson Corp. founded the Bluetooth SIG in February 1998, Intel Corp., IBM Corp., Toshiba Corp., and Nokia Mobile Phones. In December 1999, core promoters group enlarged to include four major players, namely, Micorsoft, Lucent, 3 Com and Motorola.
Then, the components of BluetoothTM: the protocols, the application profiles are discussed the essentials. The protocol stack is usually, implemented partly in hardware and partly, as software running on microprocessor with implementation partitioning the functionality between hardware and software in different ways. The BluetoothTM devices operate using ISM band- reserved for Industrial, Scientific, and Medical-, which obey set of power and spectral emission and interference specifications. The data packet, piconet and scatternet, voice and links are discussed. The figures support the narrative.
The vulnerability of BluetoothTM is presented, briefly and comparison with immediate competitors i.e., IrDA and Wi-Fi.
Description
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History: Technology and Viking
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The Special Interest Group, The Name- Harald Blatand, What is Bluetooth
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Bluetooth Specific Protocols
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The Radio, Frequency Hopping and Radio Parameters
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The Baseband
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The Service Discovery Protocol, Wireless Access Protocol,
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