1. BLUETOOTH
By
R.Rani

2. What is bluetooth?
• Bluetooth is short range and low power wireless
technology.
• It is developed for exchanging data over short
distances.
• It was primarily designed to support simple wireless
networking of devices and peripherals.
• The wireless signals that are transmitted by
bluetooth cover short distances of up to 30 feets

4. History

6. The networks of bluetooth feature
dynamic topology called PAN or piconet.
A piconet is a network that is created
using a wireless Bluetooth connection.
"piconet" literally means "very small
network.“
Piconets can include anywhere from two
to eight devices.

7. piconet

10. Even though the bluetooth standard will
utilise the same 2.4Ghz range as 802.11b
and 802.11g,the technology isn’t suitable for
wi fi replacements.
When compared to wi fi bluetooth is much
slower,limited in range and actually
supports less devices.

12. • The technology is more
popular with cellphones.
• To use bluetooth your
Cellphone will need to
have It enable.

13. Future of bluetooth
• Upcoming devices are utilising
bluetooth.
• The wireless controller will be bluetooth
enable,which wil give players the cutting
edge.
• As technology gets bigger and bigger
you can expect bluetooth to advance
stage.

14. Future of bluetooth

15. Key learning points
• Bluetooth is energy efficient.
• It doesnot require line of sight.
• Bluetooth can have a range up to 100 meters.
• Bluetooth utilises frequency hoppinf technic.
• All bluetooth devices are capable of transmitting
voice.

16. • There are 2 types of channels with bluetooth
• Sco
• Acl
• To avoid collision and timing problems sco links are
resolved slots set up by master.