ICCCN 2011-Wireless Multimedia Sensor Networks-Sajal K

8/2/2019 ICCCN 2011-Wireless Multimedia Sensor Networks-Sajal K

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ChallengesandOpportunitiesChallengesandOpportunities

.

E

mail:

[email protected] omputer c encean ng neer ng

UniverstyofTexasatArlington

CenterforResearchinWirelessMobilityandNetworkinghttp://crewman.uta.edu


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PositionStatements

CollaborativeMultimedia

(Multi

modal)

Sensin isthewa to o!

Informaticsisthefuture!

CenterforResearchinWirelessMobilityandNetworking(CReWMaN) August1,2011


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SensingthePhysicalWorld MonitoringEnvironment

Ecosystem

Agriculture

BldgStructureSmart Infrastructures Credit: MO Dept. of Transportation Health

Border

Credit: Arthur Sanderson at RPI

u son ver a ey


Biocomplexity e ve nap ys ca wor ,w c we

needto

understand,

serve,

and

control


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NextGenerationWirelessNetworks


OpportunisticCloudsofMultimodalWirelessAccessDevices,

HeterogeneousAccess

Networks,

Services

and

Applications


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WirelessSensorNetworks(WSN)

Communication(Wireless)

ComputationSensoryData:A/Dconversion,

roa cas sensory a a,Dissemination,Routing

Compression,Filtering,

Aggregation,Analysis

Control

Sensingthephysicalworld:temperature,humidity,pressure,light,velocity,


sound,image


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StaticWSNs

Traditional

WSN

architecture



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MobileWSNs

WSNs

with

mobile

rela s


M.DiFrancesco,S.K.Das,G.Anastasi,WirelessSensorNetworkswithMobile

Elements:A

Survey,

ACMTransactionsonSensorNetworks,Vol.8,No.1,Aug.2011.


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EmergingTrendsinSensors

Multimedia

WSNs Multimediasensors(withimage,audio/videostreaming)

Surveillancecameras,

stereo

cameras

Offtheshelfproducts

Customplatforms

CenterforResearchinWirelessMobilityandNetworking(CReWMaN) August1,2011Y.LiuandS.K.Das,InformationIntensiveWirelessSensorNetworks:Potentialand

Challenges,IEEECommunications,Vol.44,No.11,pp.142147,Nov.2006.


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EmergingTrendsinSensingApplications

Smart hones

and

artici ator

sensin

Smartphones assensingplatforms

Acceleration,location,

sound,

video,

orientation

Enablingcomputationalintensiveapplications

Severalwireless

technolo ies

WiFi,Bluetooth,longrangecellularradio

,

,

Usersinvolvedinsensingcampaigns

Traffic/accidentmonitorin wellbein ollutioncontrol

CenterforResearchinWirelessMobilityandNetworking(CReWMaN) August1,2011 Incentivesforparticipation


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MultimediaandHeterogeneousWSNs

Puttin

ever thin

to ether

Awidevarietyofsensingdevices

Each

device

best

suited

for

a

specific

task Exploitheterogeneity forcollaborativesensing



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AdvantagesofCollaborativeSensing

Ener

conservation

and

sensin

accurac Multiscale andtriggered sensing

Low owerlowaccurac sensorcanbeused

Higheraccuracy

(power

hungry)

sensors

canbeexploitedonlywhennecessary

Tradeoffbetweenaccuracyandenergyconsumption

Differentsensin

modalities

Bettercharacterizationoftheenvironment

Datafusion

Higherefficiency

Lessbandwidthandenergyusage

CenterforResearchinWirelessMobilityandNetworking(CReWMaN) August1,2011J.Wang,Y.Liu,andS.K.Das,EnergyEfficientDataGatheringinWirelessSensorNetworkswith

AsynchronousSampling,

ACMTransactionsonSensorNetworks,Vol.6,No.3,May2010.


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Premise:SensorsEverywhere

Ultra light, ultra power, embeddable wireless devices

Sensors will be all pervasive, from clothing to coffee mugs

Wireless and ubiquitous connectivity taken for granted

Cognitive networks based overlay architectures

Content rich (multi-modal) sensor applications


. .,


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BroaderImpacts

SocietalGrandChallenges(National&Global) ,

Healthcare(health

risks,

wellbeing

and

care)

Energy&Sustainability(monitoringandmitigation)

ExtremeEventsManagement(disasters,forestfires,)

Smartphonesw/burgeoningcapabilitiesandsensors

Deeppenetrationofmobiledevicesandnetworking

Howtohandlepervasivecomputingatscale?



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EnergyandSustainability

Smartappliances,buildings,powergrid

Netzeroenergybuildings

Minimizepeaksystemusage

Nocascadingfailures



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SmartHealthCare

Infusion

um O eratin

room

Embeddedmedical

offuture devices

Patientrecordsateverypointofcare

24/7monitoring

and

treatment

AssistedTechnologyforeveryone



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WirelessMultimediaSensorNetworks:

New

Challen es Howtohandlehigherdatarates(video/audiostreaming)?

, ,

Howtoex loithi hers atiotem oraldatacorrelation?

Innetwork:Fusion,estimation,detection,filtering,gathering,...

Howtoprovidehigherinformationassurance?

Accuracy,reliability,faulttolerance,resiliency,security,robustness,

Howtodealwithemergingsecurityandprivacythreats?


russprea ng,e.g., a r orw re essce p onene wor s


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ResearchOpportunitiesUncertaintyManagement

Howtodealwith(ortame)inherentUncertainty?

, , ,

control,coverage,

routing,

bandwidth

and

battery

power,

distributedcollaborationandcoordination,a re ation

(fusion),processing,decisionmaking,dutycycling,

ContextResolution

and

Situation

Awareness

Howtounambiguouslycapturecontextsfrommultimodal

sourcesdespitenoisyandincompleteinformation?

SupportingQoS andQoI (qualityofinformation)


, ,

Howtomeasuresensingqualityinpresenceofuncertainty?


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SocioPervasiveWorld

Situation

Awareness:

Humans as

Percepts

(sensors)

Agent(Reasoning)

sensorsfeed

multimodal

datastreams

Actions(controllers)

Pervasive

Computing

People-Centric Sensing Smart Hearth CareSocial Informatics

SenseEvaluate

PublicSensing

Identify

Assess

Intervene

CenterforResearchinWirelessMobilityandNetworking(CReWMaN) August1,2011Personal

Sensing

Sensing


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Recap:PositionStatements

CollaborativeMultimedia

(Multi

modal)

Sensin isthewa to o!

Informaticsisthefuture!


ICCCN 2011-Wireless Multimedia Sensor Networks-Sajal K

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