3. THE GHOST OF BLUETOOTH
PAST
10th Century Danish King (unified warring
Viking Tribes): Harald Bluetooth
No Wireless Networks prior to 20th
Century
New Wireless Transmission Schemes for
the 21st Century
802.11b
Home Radio Frequency
Bluetooth (version 1.0)
4. BLUETOOTH
The Bluetooth special interest
Group founded by Ericsson, IBM,
Intel, Nokia, and Toshiba in 1998.
It was created to develop an open
specification for short-range
wireless connectivity between
laptops, computers, cellular
telephones and other electronic
devices.
6. BASICS OF BLUETOOTH
Short range Radio Frequency at 2.4 GHz
Point-to-point or point-to-multiple points
Voice and Data
Transmit through walls up to 10m
Supports both synchronous and
asynchronous services
7. BLUETOOTH PROFILES
WHAT IS BLUETOOH PROFILE?
PROFILES USED IN BLUETOOTH
GENERIC ACCESS
SERVICE DISCOVERY
SERIAL PORT
GENERIC OBJECT EXCHANGE
LAN ACCESS
12. ADVANTAGE AND DISADVANTAGES OF
BLUETOOTH
Advantages
No line of Sight
Lower power consumption
2.5 GHz radio frequency ensures worldwide
operation
Very adaptive
Disadvantage
New type of technology
Sharing the same frequency rang.
13. DATA ACCESS POINTS
September 11, 2001
Ian Gifford <giffordi@ieee.org>
13
Source: Jim Kardach, Intel, [MobileDemo.ppt] 8Jun00 IEEE ComSoc http://grouper.ieee.org/groups/802/15/pub/2000/Jul00/00184r0P802-15_TG1-Bluetooth_IEEE-ComSoc-Pitch-8Jun00.ppt
14. CABLE REPLACEMENT
September 11, 2001
Ian Gifford <giffordi@ieee.org>
14
Source: Jim Kardach, Intel, [MobileDemo.ppt] 8Jun00 IEEE ComSoc http://grouper.ieee.org/groups/802/15/pub/2000/Jul00/00184r0P802-15_TG1-Bluetooth_IEEE-ComSoc-Pitch-8Jun00.ppt