| The technology of Bluetooth will take
| |
| | 6. The transmitter operates around the
|
| small area networking to the next level
| |
| | 2.4 GHz frequency band.
|
| by removing the need for user
| |
| | 7. The data channel will change
|
| intervention and help keep transmission
| |
| | frequency, or hops, 1,600 times in a
|
| power very low to preserve battery power.
| |
| | second, between the 79 allocated channels
|
| Each transmission signal to and from
| |
| | in the ISM band.
|
| your cellularphone will use just 1 mw of
| |
| | 8. Bluetooth utilizes a spread spectrum
|
| power, giving you plenty of space on
| |
| | frequency hopping RF characteristic to
|
| your battery to talk.
| |
| | ensure that independant networking
|
| Bluetooth is a networking standard that
| |
| | operates when the other devices are in
|
| will work on two levels:
| |
| | range.
|
| 1. It will provide agreement at the
| |
| | 9. A piconet is formed when one or more
|
| physical level, as Bluetooth is a radio
| |
| | devices open up a channel of
|
| frequency standard.
| |
| | communication.
|
| 2. It will provide agreement at the
| |
| | 10. A piconet can have a master and up
|
| level of protocol, where products will
| |
| | to seven slaves.
|
| have to agreeon when bits are sent, how
| |
| | 11. Communication of the interdevice is
|
| many are sent, and how the parties in
| |
| | based on the concepts of channels.
|
| conversation can be sure the message
| |
| | 12. All Bluetooth devices are capable of
|
| recieved is the same one that was sent.
| |
| | transmitting voice.
|
| The major draws to Bluetooth is the fact
| |
| | 13. The channel has a total capacity of
|
| that it's wireless, inexpensive, and
| |
| | 1 MB per second.
|
| automatic. There are other ways to get
| |
| | 14. There are two types of channels with
|
| around wires, including infrared.
| |
| | Bluetooth - SCO (Synchronous Connection
|
| Infrared uses light waves of a lower
| |
| | Oriented) and ACL (Asynchronous
|
| frequency than the human eye can, and is
| |
| | Connectionless).
|
| normally used in television remote
| |
| | 15. The SCO channels are time oriented,
|
| controls.
| |
| | andare therefore primarily used for
|
| The technology of Bluetooth is intended
| |
| | transferring time critical data such as
|
| to get around the problems that normally
| |
| | voice.
|
| come with infrared systems. The 1.0
| |
| | 16. ACL channels are normally used for
|
| older standard of Bluetooth has a max
| |
| | communicating data.
|
| transfer speed of 1 MB a second, while
| |
| | 17. Data contained in a packet can be up
|
| the 2.0 Bluetooth standard canmanage up
| |
| | to 2,745 bits in length.
|
| to 3.0 MB a second. To make things
| |
| | 18. In a single piconet, there can be up
|
| better, 2.0 is compatible with 1.0
| |
| | to three SCO links containing 64,000 bits
|
| devices.
| |
| | a second each.
|
| As a solution to wireless, Bluetooth will
| |
| | 19. To avoid collision and timing
|
| eliminate the need for messy cords,
| |
| | problems, SCO links are reserved slots
|
| keeping everything nice and neat. It's
| |
| | that are set up by the master.
|
| perfect for those who like to talk on
| |
| | 20. The masters can support up to three
|
| cell phones, as you no longer need to
| |
| | SCO links with either one, two, or three
|
| hold the phone next to your ear - which
| |
| | slaves.
|
| is great for those who travel a Bluetooth
| |
| | 21. The slots that aren't reserved for
|
| is easily the best in wireless handheld
| |
| | SCO links can be used as ACL links.
|
| technology. When it comes to learning,
| |
| | 22. The LMP (Link Management Protocol)
|
| Bluetooth can get quite complicated. To
| |
| | will handle link level security, error
|
| help you, you'll find the key learning
| |
| | corrections, and the establishment of
|
| points of Bluetooth below:
| |
| | communications links.
|
| 1. Bluetooth is an energy efficient, low
| |
| | 23. The LMP packets will have priority
|
| overhead communication protocol that's
| |
| | over user packets that originate and form
|
| ideal for interdevice communications.
| |
| | the L2CAP layer.
|
| 2. Unlike infrared, Bluetooth doesn't
| |
| | 24. The L2CAP layer will ensure an
|
| require a line of sight.
| |
| | acceptable quality of service.
|
| 3. Depending on the implementation,
| |
| | 25. No more than one ACL link can exist
|
| Bluetooth can have a range of up to 100
| |
| | at the L2CAP layer.
|
| meters.
| |
| | Kanicen is the owner of IT Comser System,
|
| 4. The specification of Bluetooth
| |
| | IT Comser System welcomes everyone who
|
| consists of a Foundation Profile Document
| |
| | are looking for computer services,
|
| and a Foundation Core Document.
| |
| | maintenance, computer rental, pc repair,
|
| 5. The protocol stack for Bluetooth
| |
| | computer sales and all kind of computing
|
| consists of core protocols, cable
| |
| | resources.
|
| protocols, and even adapted protocols.
| |
| |
|
