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Bluetooth Technology

-Prepared By

RAKSHIT SHAH

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Introduction Definition Why Bluetooth? How Need Arise? History What Is Sig?

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Definition

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.

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Overview Of Bluetooth Technology Overview Network Architecture

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Areas For Bluetooth Technology

Data And Voice Access Points: Cable Replacement Ad hoc Networking

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Network Architecture

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Bluetooth Protocol Stack Protocols And Network

Architecture Bluetooth archi. Strategy

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Protocols & 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 e to o th ra d io

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

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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

Protocols

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Types Of Protocols

Bluetooth Core ProtocolsCable Replacement ProtocolTelephony ProtocolsAdopted Protocols

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1)Bluetooth Core Protocol Base Band Link Manager Protocol Service Discovery Protocol L2CAP Protocol

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2)Cable Replacement Protocol

RFCOMM (Redio Frequency Communications)

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3)Telephony Protocols

TCS-BIN

Bit by Bit Transfer Protocol

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4) Adopted Protocols

WAP: Wireless Application Protocol PPP: Point To Point TCP/IP OBEX Protocol HTTP

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Fns Of Link Management :

1) Sending Data 2) Link Address Inquiries 3) Connection Set Up 4) Authentication 5) Link Mode Set Up 6) Setting a Device In Sniff Mode 7) Setting a link device on hold

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Link Types & Packet Types

Synchronous Connection Oriented Asynchronous Connectionless Type

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Error Correction

Forward Error Correction Automatic Repeat Request

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Forward Error Correction

Reduces The No Of Transmission It contains valueable link informaton

& bit errors

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Automatic Repeat Correction

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

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Authontication, Privacy, Sequrity

Service Level Sequrity Link Level Sequrity Encryption Technique For

Privacy Of Connection

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Bluetooth Usage Models

File Transfer Internet Bridge LAN Access Synchronization Three-in-One Phone

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Competting Techniques

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

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IrDA

IrDA Is a Infrared Interface Standard

Problems:

1) It Is Limited To Point To Point Connections

2) Its need For Line Of Sight

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IEEE 802.11

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

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Ultra-Wideband Radio

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

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Home RF

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

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Application Of Bluetooth In Vending Machine E-mail Delivery to The PC The E-Wallet The Underground Train The Bluetooth Headset

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Advantages

Minimal Hardware Dimensions Low Price Low Power Consumption

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THANK YOU