Bluetooth TechnologyBluetooth Technology

IntroductionIntroduction DefinitionDefinition Why Bluetooth?Why Bluetooth? How Need Arise?How Need Arise? HistoryHistory What Is Sig?What Is Sig?

DefinitionDefinition

Bluetooth Wireless Technology is a De facto standard, as well as a specification for small form factor, low cost, short range radio links between mobile PCs,mobile phones, and other portable devices.

Overview Of BluetoothOverview Of Bluetooth Technology OverviewTechnology Overview Network ArchitectureNetwork Architecture

Areas For Bluetooth TechnologyAreas For Bluetooth Technology

Data And Voice Access Points:Data And Voice Access Points: Cable ReplacementCable Replacement Ad hoc NetworkingAd hoc Networking

Network ArchitectureNetwork Architecture

Bluetooth Protocol StackBluetooth Protocol Stack Protocols And Network Protocols And Network

ArchitectureArchitecture Bluetooth archi. StrategyBluetooth archi. Strategy

Protocols & N/W ArchitectureProtocols & N/W ArchitectureV C a rd /V C a l

O B E X

WA E

WA P

U D P T C P

IP

P P P

R F C O M M

AT -

C o m m a n d T C S B IN S D P

A u d io

L 2 C A P

L M P

B a se b a n d

B lu eto o th ra d io

H o st C o n tro ller In ter fa ce

Abbreviations Used

OBEX OBject Exchange Protocol

WAP Web Application Protocol

UDP User Datagram Protocol

IP Internet Protocol

PPP Point to Point Protocol

RFCOMM Serial Cable emulation protocol based on

ETSI TS 07.10

HCI Host Controller Interface

LLCAP Logical Link Control and Adaptation

Protocol

SDP Service Discovery Protocol

TCP Telephony Control Protocol

LMP Link Manager Protocol

ProtocolsProtocols

Types Of ProtocolsTypes Of Protocols

Bluetooth Core ProtocolsBluetooth Core Protocols Cable Replacement ProtocolCable Replacement Protocol Telephony ProtocolsTelephony Protocols Adopted ProtocolsAdopted Protocols

1)Bluetooth Core Protocol1)Bluetooth Core Protocol Base BandBase Band Link Manager ProtocolLink Manager Protocol Service Discovery ProtocolService Discovery Protocol L2CAP ProtocolL2CAP Protocol

2)Cable Replacement Protocol2)Cable Replacement Protocol

RFCOMM (Redio Frequency RFCOMM (Redio Frequency Communications)Communications)

3)Telephony Protocols3)Telephony Protocols

TCS-BIN TCS-BIN

Bit by Bit Transfer ProtocolBit by Bit Transfer Protocol

4) Adopted Protocols4) Adopted Protocols

WAP: Wireless Application ProtocolWAP: Wireless Application Protocol PPP: Point To PointPPP: Point To Point TCP/IPTCP/IP OBEX ProtocolOBEX Protocol HTTPHTTP

Fns Of Link Management :Fns Of Link Management :

1) Sending Data1) Sending Data 2) Link Address Inquiries2) Link Address Inquiries 3) Connection Set Up3) Connection Set Up 4) Authentication4) Authentication 5) Link Mode Set Up5) Link Mode Set Up 6) Setting a Device In Sniff Mode6) Setting a Device In Sniff Mode 7) Setting a link device on hold7) Setting a link device on hold

Link Types & Packet TypesLink Types & Packet Types

Synchronous Connection OrientedSynchronous Connection Oriented Asynchronous Connectionless TypeAsynchronous Connectionless Type

Error Correction Error Correction

Forward Error Correction Forward Error Correction Automatic Repeat RequestAutomatic Repeat Request

Forward Error CorrectionForward Error Correction

Reduces The No Of TransmissionReduces The No Of Transmission It contains valueable link informaton It contains valueable link informaton

& bit errors & bit errors

Automatic Repeat CorrectionAutomatic Repeat Correction

Error Check & Cyclic Redundancy Error Check & Cyclic Redundancy check must be maintained or negative check must be maintained or negative acknolodge is returnedacknolodge is returned

Authontication, Privacy, Authontication, Privacy, SequritySequrity

Service Level SequrityService Level Sequrity Link Level SequrityLink Level Sequrity Encryption Technique For Encryption Technique For

Privacy Of ConnectionPrivacy Of Connection

Bluetooth Usage ModelsBluetooth Usage Models

File TransferFile Transfer Internet BridgeInternet Bridge LAN AccessLAN Access SynchronizationSynchronization Three-in-One PhoneThree-in-One Phone

Competting TechniquesCompetting Techniques

IrDA(4 mbps)IrDA(4 mbps) IEEE 802.11IEEE 802.11 Ultra Wideband RadioUltra Wideband Radio Home RF(DECT)(144 kbps)Home RF(DECT)(144 kbps)

IrDAIrDA

IrDA Is a Infrared Interface IrDA Is a Infrared Interface StandardStandard

Problems:Problems:

1)1) It Is Limited To Point To Point It Is Limited To Point To Point ConnectionsConnections

2)2) Its need For Line Of Sight Its need For Line Of Sight

IEEE 802.11IEEE 802.11

Higher Transmission CapacityHigher Transmission Capacity Bluetooth H/W considerable SmallerBluetooth H/W considerable Smaller Bluetooth Is 10 times smallerBluetooth Is 10 times smaller

Ultra-Wideband RadioUltra-Wideband Radio

Concept Of RadarConcept Of Radar Payloads up to 1.25 Mbps Payloads up to 1.25 Mbps Range Up To 70 MetresRange Up To 70 Metres Power Consumption up to 0.5 mWPower Consumption up to 0.5 mW

Home RFHome RF

New Radio TechnologyNew Radio Technology It is a DECT Concept It is a DECT Concept Frequency Of 2.4Ghz Frequency Of 2.4Ghz

Application Of BluetoothApplication Of Bluetooth In Vending Machine In Vending Machine E-mail Delivery to The PCE-mail Delivery to The PC The E-WalletThe E-Wallet The Underground TrainThe Underground Train The Bluetooth HeadsetThe Bluetooth Headset

AdvantagesAdvantages

Minimal Hardware DimensionsMinimal Hardware Dimensions Low PriceLow Price Low Power Consumption Low Power Consumption