Bluetooth Solution and Key Learning Points

The technology of Bluetooth will take small area6. The transmitter operates around the 2.4 GHz
networking to the next level by removing thefrequency band.
need for user intervention and help keep7. The data channel will change frequency, or
transmission power very low to preserve batteryhops, 1,600 times in a second, between the 79
power. Each transmission signal to and from yourallocated channels in the ISM band.
cellularphone will use just 1 mw of power, giving8. Bluetooth utilizes a spread spectrum frequency
you plenty of space on your battery to talk.hopping RF characteristic to ensure that
Bluetooth is a networking standard that will workindependant networking operates when the other
on two levels:devices are in range.
1. It will provide agreement at the physical level,9. A piconet is formed when one or more devices
as Bluetooth is a radio frequency standard.open up a channel of communication.
2. It will provide agreement at the level of10. A piconet can have a master and up to seven
protocol, where products will have to agreeonslaves.
when bits are sent, how many are sent, and how11. Communication of the interdevice is based on
the parties in conversation can be sure thethe concepts of channels.
message recieved is the same one that was sent.12. All Bluetooth devices are capable of
The major draws to Bluetooth is the fact that it'stransmitting voice.
wireless, inexpensive, and automatic. There are13. The channel has a total capacity of 1 MB per
other ways to get around wires, including infrared.second.
Infrared uses light waves of a lower frequency14. There are two types of channels with
than the human eye can, and is normally used inBluetooth - SCO (Synchronous Connection
television remote controls.Oriented) and ACL (Asynchronous Connectionless).
The technology of Bluetooth is intended to get15. The SCO channels are time oriented, andare
around the problems that normally come withtherefore primarily used for transferring time
infrared systems. The 1.0 older standard ofcritical data such as voice.
Bluetooth has a max transfer speed of 1 MB a16. ACL channels are normally used for
second, while the 2.0 Bluetooth standardcommunicating data.
canmanage up to 3.0 MB a second. To make17. Data contained in a packet can be up to 2,745
things better, 2.0 is compatible with 1.0 devices.bits in length.
As a solution to wireless, Bluetooth will eliminate18. In a single piconet, there can be up to three
the need for messy cords, keeping everythingSCO links containing 64,000 bits a second each.
nice and neat. It's perfect for those who like to19. To avoid collision and timing problems, SCO
talk on cell phones, as you no longer need to holdlinks are reserved slots that are set up by the
the phone next to your ear - which is great formaster.
those who travel a Bluetooth is easily the best in20. The masters can support up to three SCO
wireless handheld technology. When it comes tolinks with either one, two, or three slaves.
learning, Bluetooth can get quite complicated. To21. The slots that aren't reserved for SCO links
help you, you'll find the key learning points ofcan be used as ACL links.
Bluetooth below:22. The LMP (Link Management Protocol) will
1. Bluetooth is an energy efficient, low overheadhandle link level security, error corrections, and
communication protocol that's ideal for interdevicethe establishment of communications links.
communications.23. The LMP packets will have priority over user
2. Unlike infrared, Bluetooth doesn't require a linepackets that originate and form the L2CAP layer.
of sight.24. The L2CAP layer will ensure an acceptable
3. Depending on the implementation, Bluetooth canquality of service.
have a range of up to 100 meters.25. No more than one ACL link can exist at the
4. The specification of Bluetooth consists of aL2CAP layer.
Foundation Profile Document and a FoundationKanicen is the owner of IT Comser System, IT
Core Document.Comser System welcomes everyone who are
5. The protocol stack for Bluetooth consists oflooking for computer services, maintenance,
core protocols, cable protocols, and even adaptedcomputer rental, pc repair, computer sales and all
protocols.kind of computing resources.