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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/8/14/2019 Presentation on Bluetooth [Muddasir]
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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.gif8/14/2019 Presentation on Bluetooth [Muddasir]
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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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