| Bluetooth will encompass both
a standard communications interface and a low-cost computer chip. It is a cross
between the DECT (Digital European Cordless Telephone) and iRDA (infra Red Data
Association) technologies. Bluetooth was conceived by Ericsson, but founded by
Nokia, Ericsson, IBM, Intel and Toshiba. The Bluetooth Interest Group has since
been joined by hundreds of companies including One2One; a UK mobile network
operator, Motorola, Qualcomm, Compaq, Dell, 3Com Palm, VLSI, Xircom, Psion Dacom
and Lucent. Bluetooth does NOT involve mobile network transactions- its spectrum
is freely available to use in the unlicensed spectrum area (at 2.45 gigahertz).
Data transmission speeds using Bluetooth are expected to be between 720 kbps and
one megabit per second (Mbps). |
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Bluetooth will facilitate
wireless Local Area Networks in which networks of different handheld computing
terminals and mobile terminals can communicate and exchange data, even on the
move and when there is no line-of-sight between those terminals. Bluetooth will
mean that if users have several (Bluetooth-enabled) portable terminals, they can
nonetheless use them with all the advantages of an integrated smart phone,
without having to re-enter data or find the most recent versions on different
terminals.
This kind of synchronization
and exchange of data are Bluetooth’s major applications, as are electronic
commerce applications such as electronically paying for parking meters, bus
tickets, shopping, movies and so on. Smart offices are envisaged in which an
employee with a Bluetooth device is automatically checked in when entering the
building and this triggers a series of actions such as lights and PCs being
switched on. The Bluetooth partners see one of its main advantages as being that
it does not need to be set up- Bluetooth runs in the background and line of
sight is not even needed for the machines to automatically initiate and trigger
processes. Such proactive intelligence could turn out to be a nuisance rather
than a convenience for Bluetooth users unless it is under the control of the
device owner(s). Indeed, the Bluetooth standard does incorporate these kinds of
control mechanisms, since each device is assigned a unique 12 byte address and
to connect to that device, its address must be known. There will also be an
enquiry feature so to search for other Bluetooth-enabled devices within range.
The Bluetooth specification
was outlined in early 1999, with Bluetooth-enabled mobile terminals such as
laptops, smart phones, handheld computers and so on likely to be first available
by the industry conference "Telecom 99" in Geneva, Switzerland.
Commercial Bluetooth terminals are expected to be available in the year 2000.
In one negative prediction for
Bluetooth, the September 1998 issue of "Wired" magazine listed
Bluetooth at position one in its "Hype List" which aims at
"Deflating this month’s overblown memes". It commented that
"This wireless LAN technology overcomes infrared’s line-of-sight
limitations, but Bluetooth’s true application, much less its market potential,
won’t emerge until there’s a critical mass of RF-chip PCs, handhelds, and
phones. And even then, people looking to move data between gadgets might find it
hard to sever their emotional connection to the entrenched wireline
option." Bluetooth was given a life expectancy of 24 months. Whilst it is
true to say that other similar ideas to network electronic terminals and
household appliances have come and gone in the past, such as Novel NetWare,
Bluetooth does have the backing of a lot of market leading mobile phone and
modem manufacturers. Others have failed because they have not been able to
achieve a critical mass of wired appliances when licensing their technology.
See http://www.bluetooth.com
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