By By Abdullah M. Dalloul…20020447.Abdullah M. Dalloul…20020447. Salman Y. Mansour...20020826.Salman Y. Mansour...20020826.

SupervisorSupervisor.. Dr. Basil hammedDr. Basil hammed..

Bluetooth TechnologyBluetooth Technology

What is Bluetooth ?What is Bluetooth ? HistoryHistory Bluetooth ArchitectureBluetooth Architecture Bluetooth systemBluetooth system Network TopologyNetwork Topology SecuritySecurity Bluetooth benefitsBluetooth benefits ConclusionConclusion

ContentContent BLUETOOTHBLUETOOTH

What is Bluetooth?What is Bluetooth?

A short-range wireless communications A short-range wireless communications

technology.technology. Low bandwidth, low power, voice and data Low bandwidth, low power, voice and data

transfer.transfer. Adaptable to any type of electronic devices; Cell Adaptable to any type of electronic devices; Cell

phones, laptops, PC`s, Cameras and scanners.phones, laptops, PC`s, Cameras and scanners. Automatic connections (no user prompting).Automatic connections (no user prompting).

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HistoryHistory

Name came from Harold Blatand king of Name came from Harold Blatand king of Denmark ( 940 - 981).Denmark ( 940 - 981).

1994 – Ericsson study on a wireless technology to 1994 – Ericsson study on a wireless technology to link mobile phones and accessories.link mobile phones and accessories.

1998 the Special Interest Group (SIG) was 1998 the Special Interest Group (SIG) was founded by Ericcssonfounded by Ericcsson..

1999 first Bluetooth production.1999 first Bluetooth production.

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The Special Interest Group (SIG)The Special Interest Group (SIG)

MicrosoftMicrosoft MotorolaMotorola NokiaNokia ToshibaToshiba ErricsonErricson IBMIBM IntelIntel Agere systemsAgere systems

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Bluetooth ArchitectureBluetooth Architecture

ISM Radio band (ISM Radio band (IIndustrial, ndustrial, SScientific and cientific and MMedical) atedical) at 2.4 - 2.48 GHz.2.4 - 2.48 GHz.

Range 10 - 100 m .Range 10 - 100 m . 1 Mbps Data Rate (750 Kbps in real).1 Mbps Data Rate (750 Kbps in real). Power consuming 1 milliwatt.Power consuming 1 milliwatt. Embedded frequency chip into an electronic Embedded frequency chip into an electronic

device.device.

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Bluetooth systemBluetooth system

Consisting of a Bluetooth Module and a Bluetooth Consisting of a Bluetooth Module and a Bluetooth Host.Host.

Module is partitioned into the radio unit, the Module is partitioned into the radio unit, the baseband unit and the Host Controller firmware.baseband unit and the Host Controller firmware.

Host consists of the software protocol stack and Host consists of the software protocol stack and the application softwarethe application software

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Bluetooth Module

Bluetooth Host

ContinueContinue…… Application software is Application software is

the user specified and the user specified and implements the device implements the device functionality.functionality.

Host Controller realizes Host Controller realizes communication between communication between Module and Host.Module and Host.

Baseband is a controller, Baseband is a controller, establishing and establishing and maintaining the maintaining the connection.connection.

Radio transceiver Radio transceiver enables the wireless link enables the wireless link between devices.between devices.

Bluetooth Host

Bluetooth Module

Radio unit

HCI driver

Host drives and application

Baseband & link controller

Host controller

Link Manager

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Network TopologyNetwork Topology Piconet .Piconet . ScatternetScatternet..

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SecuritySecurity For each Bluetooth device there is:-For each Bluetooth device there is:-

A 48 bit fixed public address that is unique for A 48 bit fixed public address that is unique for each device.each device.

A 128 bits private user key which is derived A 128 bits private user key which is derived during initialization and kept stableduring initialization and kept stable

A 128 bits random number which is generated A 128 bits random number which is generated randomly for each new transactionrandomly for each new transaction

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Bluetooth benefitsBluetooth benefits::

Eliminates cables and wires between devices.Eliminates cables and wires between devices.

Facilitates both data and voice communicationFacilitates both data and voice communication

Enables ad hoc networks between multiple Enables ad hoc networks between multiple Bluetooth devices.Bluetooth devices.

Spread-spectrum frequency.Spread-spectrum frequency.

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Other wireless technologiesOther wireless technologies::

IrDAIrDA The IrDA enables bidirectional infrared The IrDA enables bidirectional infrared

communication between the devices ( at least communication between the devices ( at least 1-meter / Typically, 2 meters).1-meter / Typically, 2 meters).

HomeRF HomeRF The HomeRF is designed to carry both voice The HomeRF is designed to carry both voice

and data and to inter-operate with the Public and data and to inter-operate with the Public Switched Telephone Network and the Internet.Switched Telephone Network and the Internet.

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Comparison of TechnologiesComparison of Technologies

BluetoothBluetooth HomeRFHomeRF IrDAIrDAMax. SpeedMax. Speed 11 MbpsMbps 1010 MbpsMbps 44 MbpsMbps

PowerPower LowLow HighHigh NoneNone

Data RateData Rate 11 MbpsMbps 1.61.6 MbpsMbps 1616 MbpsMbps

DistanceDistance 1010 metersmeters 5050 metersmeters 55 metersmeters

CostCost MediumMedium MediumMedium LowLow

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ConclusionsConclusions

Bluetooth was originally intended to be a cable Bluetooth was originally intended to be a cable replacement. replacement.

Bluetooth is a global, RF-band (ISM band: Bluetooth is a global, RF-band (ISM band: 2.4GHz), short-range, low power, personal 2.4GHz), short-range, low power, personal devicesdevices

Embedding Bluetooth chip into an electronic Embedding Bluetooth chip into an electronic device will allow many devices to be device will allow many devices to be Bluetooth-enabled.Bluetooth-enabled.

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Thanks

ThanksThanks