bluetooth presentation send by ajay in niit

8/6/2019 Bluetooth Presentation Send by Ajay in Niit

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Created by:Created by:

AJAYAJAY BAHORIYABAHORIYA ,,

HARSHHARSH HUNJANHUNJAN

Information Search & Analysis Skills



� Bluetooth technology eliminates the need for numerousand inconvenient cable attachments.

� This technology enable users to automatically and easilyconnect a wide range of computing devices.

� Bluetooth makes wireless communication and networking between device in a small localized area .

� In Bluetooth all the connections between devices areoccurring immediately and invisible.

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FeaturesFeatures

TopologyTopology

ExamplesExamples

DevelopmentDevelopment

ApplicationsApplicationsChallengesChallenges

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Universal radio interfaceUniversal radio interface in the 2.4 GHz frequencyin the 2.4 GHz frequencyband gives 10 to 100 meter range.band gives 10 to 100 meter range.

BluetoothBluetooth is a computingis a computing and telecommunicationsand telecommunications

industryindustry specification thatspecification that describes how variousdescribes how variouscommunicationcommunication devices likedevices like mobile phones,mobile phones,computers, andcomputers, and PDAPDA (personal digital assistant) can(personal digital assistant) caneasilyeasily interconnectinterconnect with each otherwith each other using ausing a shortshort--range wirelessrange wireless connection.connection.

Easy way to talk for digital devices.Easy way to talk for digital devices.

ItsIts data peak rate is 1 Mbpsdata peak rate is 1 Mbps and very low cost likeand very low cost like $5$5--10 per piece.10 per piece.

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�� A collection of devices connected via BluetoothA collection of devices connected via Bluetoothtechnology in an ad hoc fashion.technology in an ad hoc fashion.

�� A piconet starts with two connected devices, andA piconet starts with two connected devices, andmay grow to eight connected devices.may grow to eight connected devices.

�� All Bluetooth devices are peer units and haveAll Bluetooth devices are peer units and haveidentical implementations. However, whenidentical implementations. However, when

establishing a piconet, one unit will act as aestablishing a piconet, one unit will act as aMaster and the other(s) as slave(s) for theMaster and the other(s) as slave(s) for theduration of the piconet connection.duration of the piconet connection.



Master

Active Slave

Parked Slave

Standby

Page - scan protocol

to establish links with

nodes in proximity



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Named from Danish King Harold BluetoothNamed from Danish King Harold Bluetoothfrom the 10th century.from the 10th century.

The logo was designed by a Scandinavian firmThe logo was designed by a Scandinavian firm

in which the, runic character H & B were used.in which the, runic character H & B were used.

Invented in 1994 by L. M. Ericsson, SwedenInvented in 1994 by L. M. Ericsson, Sweden

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Bluetooth SIG founded by Ericsson, IBM, Intel,Bluetooth SIG founded by Ericsson, IBM, Intel,NokiaNokia and Toshiba in Feb 1998.and Toshiba in Feb 1998.

More than 2500 members today.More than 2500 members today.

Bluetooth version 1.0 and 1.1 have beenBluetooth version 1.0 and 1.1 have beenreleasedreleased..

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9 Promoters



Wireless control of communication between aWireless control of communication between amobile phone and a handsmobile phone and a hands--free headset.free headset.

For controls where infrared was traditionally used.For controls where infrared was traditionally used.

eplacement of traditional wired serialeplacement of traditional wired serialcommunications in test equipment, GPS receivers,communications in test equipment, GPS receivers,medical equipment, bar code scanners, and trafficmedical equipment, bar code scanners, and trafficcontrol devices.control devices.

DialDial--up internet access on personal computer orup internet access on personal computer orPDA using a dataPDA using a data--capable mobile phone as acapable mobile phone as amodem.modem.

Automatic Cars , Bluetooth toys.Automatic Cars , Bluetooth toys.

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Recognition Challenge-Sometimes Bluetoothdevices are not recognized. This happens whentrying to connect a Bluetooth keyboard or mouseto a PC.

Profile Challenge-Every Bluetooth device has oneor more profiles. In order for two devices to worktogether, they must have the same profile. Fore ample, in order for a computer to communicatewith a printer, they both must have the printer

profile.Charg ing Challenge-When Bluetooth devices,especially headsets, are not fully charged,sometimes a good connection does not occur.

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Access ControlAccess Control

DataData PrivacyPrivacy

Control PrivacyControl Privacy

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Bluetooth is a mature technologyBluetooth is a mature technology

Bluetooth is a lowBluetooth is a low--cost wireless technologycost wireless technology

Bluetooth can be easily integrated into yourBluetooth can be easily integrated into yourproducts.products.

Bluetooth technology are robustness, lowBluetooth technology are robustness, lowpower, and low cost.power, and low cost.

irtually any digital device can be part of theirtually any digital device can be part of theBluetooth system.Bluetooth system.

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bluetooth presentation send by ajay in niit

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