Bluetooth the new invension of last century
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Transcript of Bluetooth the new invension of last century
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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