Download - Bluetooth Sajish
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BLUETOOTH
SAJISH.V.S
MBA IBRoll No:17
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Preface
y History
y What is bluetooth ?
y Why bluetooth ?
y How does it work ?
y Specifications
y Profiles
y Bluetooth enabled devices
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History
Started by Ericsson Mobile Communication
Bluetooth Special Interest Group(SIG)5 members:Ericcson,Nokia,IBM,Intel & Toshiba
First specification: July 1999
Current specification:version 3.0
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Definition
y Bluetooth is an open standard that enablescommunication among diverse device with a
standard short-range wireless radio connection.
y Cable replacement technology.
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Cable-Replacement Technology
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At the office
In the Office
While in a meeting,
When inspecting anequipment
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On the road
You arrive at theairport
You enter the airport
waiting lounge,
You get on the rent-a-car bus,
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KeyFeatures
y Interoperability
y Cost
y Power
y Size
y Fast acknowledgement(Speed)
y Accessibility to networks
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AdvantagesAdvantages DisadvantagesDisadvantages
y Wireless
y Small size
y Low powerconsumption(1Mw)
y Short range
y Small through putrates (1Mbps)
y Mostly for personaluse(PANS)
Bluetooth
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Working
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Specifications
y Division of channels : Each channel with time slotsof 625 microseconds long
y Packets upto 5 time slots wide
y Length of data in a packet : 2745 bits
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Radio Specification
0 1 2 78
2.402 GHz 2.480 GHz
PDUformat: The Bluetooth system is operating in the 2.4 GHz ISM (Industrial
Scientific Medicine) band. The regulatory range of this frequencyband is 2.400 2.4835 GHz.
The Bluetooth radio accomplishes spectrum spreading by in 79 hopsdisplaced by 1 MHz. Radio modulation uses GFSK.
Operating frequency bands:
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Baseband Specification
There is one masterand one or more slavesin each piconet
Packet format:
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Profiles
Basic imaging profile
Dial up networking profile
File transfer profile
Human interface device profile
Head set profile
Hands free profile
Intercom profile Object push profile
Hard copy cable replacement profile
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Dial up networking profile(DUN)
y DUN provides a standard to access the Internet andother dial-up services over Bluetoothtechnology.
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File Transfer Profile (FTP)
y FTP defines how folders and files on a server devicecan be browsed by a client device.
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Hardcopy Cable Replacement Profile (HCRP)
y HCRP defines how driver-based printing isaccomplished over a Bluetooth wireless link.
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Hands-Free Profile (HFP)
y HFP describes how a gateway device can be used toplace and receive calls for a hand-free device.
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Headset Profile (HSP)
y The HSP describes how a Bluetooth enabled headsetshould communicate with a computer or otherBluetooth enabled device such as a mobile phone.
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Human Interface Device Profile (HID)
y The HID profile defines the protocols, proceduresand features to be used by Bluetooth HID such askeyboards, pointing devices, gaming devices and
remote monitoring devices.
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Intercom Profile (ICP)
y ICP defines how two Bluetooth enabled mobilephones in the same network can communicatedirectly with each other without using the public
telephone network.
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Object Push Profile (OPP)
y OPP defines the roles of push server and push client
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Service DiscoveryApplication Profile (SDAP)
y SDAP describes how an application should use SDPto discover services on a remote device.
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Bluetooth Enabled
Devices
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Bluetooth Products 1Bluetooth-enabled Devices
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