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A Seminar onA Seminar on

Human Area NetworksHuman Area Networks --

RedTactonRedTacton

AKASHAKASH

USN: 1DS07IS004USN: 1DS07IS004

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ContentsContents

IntroductionIntroduction

NeedNeed

Human Area NetworksHuman Area Networks

RedTacton (Introduction, Transciever andRedTacton (Introduction, Transciever andWorking)Working)

FeaturesFeatures

ApplicationsApplications

Safety systemSafety system

ComparisonComparison AdvantagesAdvantages

DrawbacksDrawbacks

Future DevelopmentsFuture Developments

ConclusionConclusion

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IntroductionIntroduction

Human AreaHuman Area

NetworkNetwork

RedTactonRedTacton

-->> touchtouch--actact--ononaction triggered byaction triggered by

touchingtouching

++

REDRED -->>

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Human Area NetworksHuman Area Networks

Japanese companyNippon Telegraph andTelephone Corporation (NTT) claims to

have developed the first viable Human

Area Network (HAN) device, enabling fast

data transfer between devices using the

human body.

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RedTactonRedTacton

RedTactonisanewRedTactonisanewHuman AreaHuman AreaNetworkingNetworkingtechnology.technology.

UsesthesurfaceofUsesthesurfaceofthehuman bodyasthehuman bodyasasafe,highspeedasafe,highspeednetworknetworktransmissionpath.transmissionpath.

ItusestheminuteItusestheminuteelectricfieldemittedelectricfieldemittedonthesurfaceofonthesurfaceofthehuman body.thehuman body.

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Claimstosenddataoverthesurfaceofskin.Claimstosenddataoverthesurfaceofskin.

Attainsaspeedupto 10 MbpsAttainsaspeedupto 10 Mbps ------ equivalenttoafastequivalenttoafastbroadbandconnection.broadbandconnection.

Usesweakelectricfieldsonthesurfaceofhuman bodyUsesweakelectricfieldsonthesurfaceofhuman bodyinsteadofrelyingon EM wavesorlightwaves.insteadofrelyingon EM wavesorlightwaves.

Accordingto NTT Laboratories,ourwhole bodyistheAccordingto NTT Laboratories,ourwhole bodyisthe

perfectconductorforelectronicdata.perfectconductorforelectronicdata. TheTheRedTactonRedTacton transmitterinducesaweakelectrictransmitterinducesaweakelectric

fieldonthesurfaceofthe body.fieldonthesurfaceofthe body.

TheTheRedTactonRedTacton receiversenseschangesinthereceiversenseschangesintheweakelectricfieldonthesurfaceofthe bodyweakelectricfieldonthesurfaceofthe bodycaused bythetransmitter.caused bythetransmitter.

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Block DiagramBlock Diagram

Only a portion of the induced electric field is

sensed by the receiving RED TACTON device. The

remaining electric fields are dissipated to the

ground.

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TheRedTactonTranscieverTheRedTactonTransciever

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WorkingofREDTACTONWorkingofREDTACTON

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FEATURESFEATURES

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TOUCHTOUCH

TouchTouch -- Touching,Touching,

gripping,sitting,gripping,sitting,

walking,steppingandotherhumanwalking,steppingandotherhuman

movementscan bethetriggersforunlockingmovementscan bethetriggersforunlockingorlocking,startingorstoppingequipment,ororlocking,startingorstoppingequipment,or

obtainingdata.obtainingdata.

A communicationspathcan becreated withA communicationspathcan becreated with

a simple touch, automatically initiating thea simple touch, automatically initiating the

flow ofdata betweena bodyflow ofdata betweena body--centriccentric

electronicdevice and acomputer that iselectronicdevice and acomputer that is

embedded in the environment.embedded in the environment.

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BROADBAND andBROADBAND and

INTERACTIVEINTERACTIVE

Duplex,interactivecommunicationispossibleataDuplex,interactivecommunicationispossibleatamaximumspeedof10Mbps.maximumspeedof10Mbps.

Because the transmission path is on theBecause the transmission path is on thesurface of the body,transmission speed doessurface of the body,transmission speed doesnot deteriorate in congested areas where manynot deteriorate in congested areas where many

peoplearecommunicatingatthesametimepeoplearecommunicatingatthesametime

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Devicedriverscan beDevicedriverscan bedownloadedinstantlyanddownloadedinstantlyand

executableprogramscan beexecutableprogramscan bequicklysentquicklysent

CommunicationspeedcanCommunicationspeedcandeterioratedeteriorate

incrowdedspacesduetoaincrowdedspacesduetoalackoflackof

BandwidthBandwidth

Wireless LAN

Wireless LANRED TA

CTONRED TA

CTON

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ANY MEDIAANY MEDIA

A communicationenvironmentcan be

createdeasilyandat

low-cost byusingitems

closeathand,suchas

desks,walls,andmetal

objects. RedTacton can utilizeawiderange of

materialsas a

transmissionmedium,

as long as the

material isconductive

and dielectric, whichincludes water and

otherliquids.

Buttherearerestrictionsonthelengthofthe

conductorto bepropagated,oninstallationlocations,

andonthethicknessofthedielectricto bepassed

through.

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APPLICATIONSAPPLICATIONS

IntuitiveoperationofpersonalIntuitiveoperationofpersonal

informationinformation

NewBehaviorNewBehavior

patternspatterns

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One-to-One services

An alarm soundsautomatically to avoidaccidental medicineingestion.

Device personalization

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MarketingMarketing

applicationsapplications

SecurityapplicationsSecurityapplications

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SAFETY SYSTEMSAFETY SYSTEM

RedTactonusestheelectricfieldthatRedTactonusestheelectricfieldthatoccursnaturallyonthesurfaceoftheoccursnaturallyonthesurfaceofthehuman bodyforcommunication.human bodyforcommunication.

TransmitterandreceiverelectrodesTransmitterandreceiverelectrodesarecoveredwithinsulatingfilms.arecoveredwithinsulatingfilms.

Onlyaportionoftheinducedelectricfieldissensed bythereceivingRED

TACTON device.Theremainingelectricfieldsaredissipatedtotheground.

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COMPARISONWITH OTHERCOMPARISONWITH OTHER

NETWORKSNETWORKS

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ADVANTAGE OVERADVANTAGE OVER

BLUETOOTHBLUETOOTH

Body-basednetworkingismore

securethan broadcastsystems.

Networkcongestionduetofallin

transmissionspeedinmultiuser

environmentsisavoided.

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DRAWBACKSDRAWBACKS

IthasnocompellingapplicationsIthasnocompellingapplications

thatarentalreadyavailable.thatarentalreadyavailable.

Toocostly.Toocostly. Itcan beusefulwithinfewItcan beusefulwithinfew

centimeterscentimeters

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FUTURE DEVELOPMENTSFUTURE DEVELOPMENTS

Reduction in size to be

embedded in other

communication devices

Artificial Intelligence in

RedTacton

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CONCLUSIONCONCLUSION

Weconcludethat,whenwecompareRedTactonwithothertechnologypresenttodayitcangiveabetterperformanceoverothers

AndwecansaythattoconnectthenetworkwithinshortdistancesRedTactonis best.

Inthistechnologythereisnoproblemofhackersasourbodyisitselfamedia.

RedTactontechnologyisexpectedtodominateBluetoothtechnologyinthefuture.RedTactontechnologycouldputtheuseofcablestoanend.

Thistechnology bringsanewdimensionofcommunicationwhicheffectivelylinkstheusertoanyonehewantstocommunicate.

Sinceitprovideshighspeedcommunication,itcanprovideseamlessservicewherever,wheneverandwhoeverusesit.

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