presentation on bluetooth [muddasir]

8/14/2019 Presentation on Bluetooth [Muddasir]

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BluetoothBluetooth


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What IsWhat Is BLUETOOTHBLUETOOTH

First of all, in case some of you don'tFirst of all, in case some of you don't

know,know, BluetoothBluetooth is the commonis the common

name for the new short rangename for the new short range

wireless technology that is able towireless technology that is able to

transmit voice and data whiletransmit voice and data while

working with mobile phones, musicworking with mobile phones, music

players, personal digital assistantsplayers, personal digital assistants(PDA) and computers.(PDA) and computers.


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Bluetooth NameBluetooth Name

Okay, now for some history. TheOkay, now for some history. The BluetoothBluetoothtechnology was given its name in reference totechnology was given its name in reference to

thethe Danish king Harald "Bluetooth" BlaatandDanish king

Harald "Bluetooth" Blaatand..

He was the one who unified Denmark andHe was the one who unified Denmark andNorway between 940 and 985 AD. The reasonNorway between 940 and 985 AD. The reason

BluetoothBluetooth is named after him is because it isis named after him is because it is

known to unite the telecom and computingknown to unite the telecom and computing

industries today. Makes sense, right?! It's allindustries today. Makes sense, right?! It's allabout unity!about unity!


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Why is it calledWhy is it called

BluetoothBluetooth?? The nameThe name BluetoothBluetooth draws its inspiration from thedraws its inspiration from the

10th century king of Denmark, Harald10th century king of Denmark, Harald BluetoothBluetooth..

History suggests that Harald's aggressiveHistory suggests that Harald's aggressive

diplomatic policies led to the unification ofdiplomatic policies led to the unification of

previously warring tribes of Denmark, Norway andpreviously warring tribes of Denmark, Norway andSweden. Like Harald,Sweden. Like Harald, BluetoothBluetooth technology istechnology is

about communication - allowing different devicesabout communication - allowing different devices

from cell phones to televisions, cars and evenfrom cell phones to televisions, cars and even

earpieces to communicate and network with eachearpieces to communicate and network with eachother in one simple uninterrupted flow.other in one simple uninterrupted flow.


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Why is it called Bluetooth?Why is it called Bluetooth?

The founders of theThe founders of the BluetoothBluetooth SIG felt theSIG felt thename was fitting because:name was fitting because:

1)1) Bluetooth technology was first developed inBluetooth technology was first developed inScandinavia (Cellular), andScandinavia (Cellular), and

2)2) Bluetooth technology is able to uniteBluetooth technology is able to unitediffering industries such as the cell phone,differing industries such as the cell phone,computing, and automotive markets. Bluetoothcomputing, and automotive markets. Bluetoothwireless technology simplifies and combineswireless technology simplifies and combinesmultiple forms of wireless communication intomultiple forms of wireless communication intoa single, secure, low-power, low-cost, globallya single, secure, low-power, low-cost, globallyavailableavailable radio frequency.radio frequency.


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History of BluetoothHistory of Bluetooth

TechnologyTechnology The Bluetooth movement was launched in 1994 byThe Bluetooth movement was launched in 1994 by

Ericsson, a Swedish company, in order to eliminateEricsson, a Swedish company, in order to eliminate

clutter in homes and offices. In 1998, Bluetoothclutter in homes and offices. In 1998, Bluetooth

technology was starting to take shape and led to thetechnology was starting to take shape and led to the

development of the Bluetooth Special Interest Groupdevelopment of the Bluetooth Special Interest Group(SIG); the founding members IBM, Intel, Nokia, Toshiba(SIG); the founding members IBM, Intel, Nokia, Toshiba

and Ericsson officially threw their weight behindand Ericsson officially threw their weight behind

Bluetooth technology. Within six months, the successBluetooth technology. Within six months, the success

and versatility of Bluetooth technology was apparent,and versatility of Bluetooth technology was apparent,

and other companies joined the initiative.and other companies joined the initiative.


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Danish king HaraldDanish king Harald

"Bluetooth" Blaatand"Bluetooth" Blaatand..


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Member companies ofMember companies of

BLUETOOTHBLUETOOTH From there, adoption of the BluetoothFrom there, adoption of the Bluetooth

standard exploded, growing into the globalstandard exploded, growing into the global

presence that it is today.presence that it is today.

The Bluetooth SIG includes promoter memberThe Bluetooth SIG includes promoter membercompanies Microsoft, Ericsson, IBM, Intel,companies Microsoft, Ericsson, IBM, Intel,

Agere, China Mobiles,Motorola, Nokia, andAgere, China Mobiles,Motorola, Nokia, and

Toshiba, plus thousands of Associate andToshiba, plus thousands of Associate and

Adopter member companiesAdopter member companies(BlueTomorrow.com's parent company, SP(BlueTomorrow.com's parent company, SP

Commerce LLC, is a licensed and certifiedCommerce LLC, is a licensed and certified

Adopter member of the Bluetooth SIG).Adopter member of the Bluetooth SIG).


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Bluetooth Technology OverBluetooth Technology Over

the Yearsthe Years When Bluetooth was officially introduced inWhen Bluetooth was officially introduced in

1998, its intended basic purpose was to be a1998, its intended basic purpose was to be awire replacement technology in order towire replacement technology in order torapidly transfer voice and data.rapidly transfer voice and data.

There were many doubters who believedThere were many doubters who believedBluetooth would be a distant memory in just aBluetooth would be a distant memory in just acouple of years. However, multiple yearscouple of years. However, multiple yearshave passed and Bluetooth continues tohave passed and Bluetooth continues to

make strides and advancements everyday.make strides and advancements everyday.


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A lot has changed since the first Bluetooth CoreA lot has changed since the first Bluetooth Core

Specification Version was introduced in 1998. OverSpecification Version was introduced in 1998. Over

the past couple years Bluetooth technology hasthe past couple years Bluetooth technology has

really begun to take giant leaps forward.really begun to take giant leaps forward.

In 2003, the Bluetooth SIG began a major overhaulIn 2003, the Bluetooth SIG began a major overhaul

of the Bluetooth specification with theof the Bluetooth specification with the

announcement of version 2.1. Then, in 2004,announcement of version 2.1. Then, in 2004,

Bluetooth version 2.0 + EDR (Enhanced Data Rate)Bluetooth version 2.0 + EDR (Enhanced Data Rate)

was introduced. Devices using version 2.0 + EDRwas introduced. Devices using version 2.0 + EDRbegan to hit the market in late 2005.began to hit the market in late 2005.


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Evolution of the BluetoothEvolution of the Bluetooth

StandardStandard Bluetooth technology was designed to permit dataBluetooth technology was designed to permit data

and voice exchange at rates up to1 Mbps. Initially,and voice exchange at rates up to1 Mbps. Initially,

the standard used short range radio links in thethe standard used short range radio links in the

2.GHz Instrumentation Scientific and Medical (ISM)2.GHz Instrumentation Scientific and Medical (ISM)

"free band." The early coverage range of"free band." The early coverage range ofBluetooth devices hovered around 5 meters, butBluetooth devices hovered around 5 meters, but

now - after expanding into the 700-800 kbnow - after expanding into the 700-800 kb

bandwidth - it generally attains a range of aboutbandwidth - it generally attains a range of about

10 meters,10 meters,


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Evolution of the BluetoothEvolution of the Bluetooth

StandardStandard Where its seamless radio connections create what'sWhere its seamless radio connections create what's

known as a Personal Wireless Network. Theknown as a Personal Wireless Network. The

transmission frequency range for Bluetooth sitstransmission frequency range for Bluetooth sits

between 2.4 and 2.4835 GHz, with a maximum transferbetween 2.4 and 2.4835 GHz, with a maximum transfer

speed of, typically, 2.0 Mbps (some devices manage upspeed of, typically, 2.0 Mbps (some devices manage upto 3 Mbps). The range, effectiveness, and speed ofto 3 Mbps). The range, effectiveness, and speed of

Bluetooth technology continues to grow, thanks to theBluetooth technology continues to grow, thanks to the

work of the Bluetooth SIG.work of the Bluetooth SIG.


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Logo Of BluetoothLogo Of Bluetooth The name The name

BluetoothBluetooth and its and its

logo arelogo are

trademarked bytrademarked bythe privately heldthe privately held

trade associationtrade association

named thenamed the

Bluetooth SpecialBluetooth SpecialInterest GroupInterest Group

(SIG).(SIG).
http://www.bluetomorrow.com/http://www.bluetomorrow.com/http://www.bluetomorrow.com/


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PRESENTATIONPRESENTATION

ON Bluetooth.ON Bluetooth.USMAN AKHTARUSMAN AKHTAR

BS(it) 07-17BS(it) 07-17


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Bluetooth Was Originally a Cable-

Replacement Technology
http://www.csd.toshiba.com/cgi-bin/tais/pc/pc_prodList.jsp?BV_SessionID=@@@@1338978223.1036997423@@@@&BV_EngineID=cccgadcgjfeilkjcgfkceghdgngdgli.0&comm=ST&plin=PDAs&pfam=PDAs%20and%20PDA%20Bundleshttp://www.iconbazaar.com/computer/printr02.gifhttp://www.iconbazaar.com/computer/tower02.gifhttp://www.iconbazaar.com/computer/printr02.gifhttp://www.iconbazaar.com/computer/tower02.gifhttp://www.iconbazaar.com/computer/scrsavr.gifhttp://www.iconbazaar.com/computer/printr02.gifhttp://www.iconbazaar.com/computer/mouse02.gif


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Bluetooth TechnologyBluetooth TechnologyWorksWorks

Bluetooth is a short range wireless digitalBluetooth is a short range wireless digital

standard aimed at linking cell phone,computer upstandard aimed at linking cell phone,computer up

to 30 feet.to 30 feet.

Unlike infra-red, Bluetooth does not require line-Unlike infra-red, Bluetooth does not require line-

of-sight positioning of connected unitsof-sight positioning of connected units..

Bluetooth networking transmits data via low-Bluetooth networking transmits data via low-power radio waves. It communicates on apower radio waves. It communicates on a

frequency of 2.45 gig hertz (actually betweenfrequency of 2.45 gig hertz (actually between

2.402 GHz and 2.480 GHz, to be exact).2.402 GHz and 2.480 GHz, to be exact).


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Bluetooth TechnologyBluetooth TechnologyWorksWorks

Bluetooth uses a technique calledBluetooth uses a technique called frequencyfrequency

hoppinghopping that makes it rare for more than one devicethat makes it rare for more than one device

to be transmitting on the same frequency at theto be transmitting on the same frequency at the

same time.same time. The walls in your house won'tThe walls in your house won't

stop a Bluetooth signal.stop a Bluetooth signal.

When blue tooth capable devices come with in theWhen blue tooth capable devices come with in the

range of each either ,an automatic conversationrange of each either ,an automatic conversation

take place to determine whether they have data totake place to determine whether they have data to

share, they form a minimum network calledshare, they form a minimum network called

personal area network or piconet.personal area network or piconet.


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Bluetooth WorkingBluetooth Working

Local Area

Network

(LAN)

WirelessPhone

Network

Encryption

Authentication

Communication

Challenge-Response

Scheme SAFER+ None/One-way/Mutual

Needed for encryption

Optional Symmetric Stream Cipher Negotiable Key Size (8-128 bits) Clock dependent

Radio Frequency Hopping

(1600 Hps) 2.4GHz Frequency Range RF Interface 720 Kbps 4 Mbps


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Connection Establishment inConnection Establishment in

BluetoothBluetooth

BLUETOOTH State Transition DiagramBLUETOOTH State Transition Diagram

STANDBY

CONNECTION

PAGE

MASTER

RESPONSE

INQUIRYINQUIRY

SCANPAGE SCAN

INQUIRY

RESPONSE

SLAVE

RESPONSE


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Connection Establishment StatesConnection Establishment States

StandbyStandby: the default state; a low power state in which: the default state; a low power state in whichonly the native clock is running.only the native clock is running.

ConnectionConnection:: the device is connected to the piconet as a masterthe device is connected to the piconet as a masteror slave.or slave.

PagePage:: device has issued a page. Used by the master todevice has issued a page. Used by the master toactivate and connect to a slave. Master sends page msg byactivate and connect to a slave. Master sends page msg by

transmitting slaves DAC (device access code) in different hoptransmitting slaves DAC (device access code) in different hopchannels.channels. Page ScanPage Scan: device is listening for a page with its own DAC: device is listening for a page with its own DAC Master responseMaster response: master receives a page response from a: master receives a page response from a

slave. The master can enter the connection state or return toslave. The master can enter the connection state or return tothe page state to page for other slaves.the page state to page for other slaves.

Slave responseSlave response: a slave responds to a page from the master. If: a slave responds to a page from the master. Ifconnection setup succeeds, device enters connection state,connection setup succeeds, device enters connection state,otherwise page scan stateotherwise page scan state

InquiryInquiry: device has issued an inquiry to find the identity of the: device has issued an inquiry to find the identity of thedevices within rangedevices within range

Inquiry scanInquiry scan: device is listing for an inquiry: device is listing for an inquiry Inquiry responseInquiry response: a device that has issued an inquiry receives: a device that has issued an inquiry receives

an inquiry responsean inquiry response


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Piconet StructurePiconet Structure

Master

Active Slave

Parked Slave

Standby

All devices in piconet hop together.

Masters ID and masters clock determines frequency hopping

sequence & phase.


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Connection StateConnection State

MachineMachine

Standby

Inquiry Page

Connected

Transmit data

Park HoldSnif

f


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Typical BluetoothTypical Bluetooth

ScenarioScenario BluetoothBluetooth will support wireless point-to-will support wireless point-to-

point and point-to-multipoint (broadcast)point and point-to-multipoint (broadcast)between devices in a piconet.between devices in a piconet.

Point to Point LinkPoint to Point Link

Master - slave relationshipMaster - slave relationship Bluetooth devices can function asBluetooth devices can function as

masters or slavesmasters or slaves PiconetPiconet

It is the network formed by a MasterIt is the network formed by a Master

and one or more slaves (max 7)and one or more slaves (max 7) Each piconet is defined by a differentEach piconet is defined by a different

hopping channel to which usershopping channel to which users

synchronize tosynchronize to

Each piconet has max capacity (1 Mbps)Each piconet has max capacity (1 Mbps)

m s

s s s

m


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Technical featuresTechnical features

Connection Type Spread Spectrum (FrequencyHopping) & Time Division Duplex(1600 hops/sec)

Spectrum 2.4 GHz ISM Open Band (79 MHz ofspectrum = 79 channels)

Modulation Gaussian Frequency Shift Keying

Transmission Power 1 mw 100 mw

Data Rate 1 Mbps

Range 30 ft

Supported Stations 8 devices

Data Security AuthenticationKey

128 bit key

Data Security Encryption Key8-128 bits (configurable)


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Thanks 4 Ur KindThanks 4 Ur Kind

AttentionAttention


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