Bluetooth
-
Upload
jazz306 -
Category
Technology
-
view
87 -
download
1
Transcript of Bluetooth
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