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8/2/2019 ICCCN 2011-Wireless Multimedia Sensor Networks-Sajal K
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ChallengesandOpportunitiesChallengesandOpportunities
.
E
mail:
das@uta.eduept.o omputer c encean ng neer ng
UniverstyofTexasatArlington
CenterforResearchinWirelessMobilityandNetworkinghttp://crewman.uta.edu
8/2/2019 ICCCN 2011-Wireless Multimedia Sensor Networks-Sajal K
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PositionStatements
CollaborativeMultimedia
(Multi
modal)
Sensin isthewa to o!
Informaticsisthefuture!
CenterforResearchinWirelessMobilityandNetworking(CReWMaN) August1,2011
8/2/2019 ICCCN 2011-Wireless Multimedia Sensor Networks-Sajal K
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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
CenterforResearchinWirelessMobilityandNetworking(CReWMaN) August1,2011
Biocomplexity e ve nap ys ca wor ,w c we
needto
understand,
serve,
and
control
8/2/2019 ICCCN 2011-Wireless Multimedia Sensor Networks-Sajal K
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NextGenerationWirelessNetworks
CenterforResearchinWirelessMobilityandNetworking(CReWMaN) August1,2011
OpportunisticCloudsofMultimodalWirelessAccessDevices,
HeterogeneousAccess
Networks,
Services
and
Applications
8/2/2019 ICCCN 2011-Wireless Multimedia Sensor Networks-Sajal K
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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,
CenterforResearchinWirelessMobilityandNetworking(CReWMaN) August1,2011
sound,image
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StaticWSNs
Traditional
WSN
architecture
CenterforResearchinWirelessMobilityandNetworking(CReWMaN) August1,2011
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MobileWSNs
WSNs
with
mobile
rela s
CenterforResearchinWirelessMobilityandNetworking(CReWMaN) August1,2011
M.DiFrancesco,S.K.Das,G.Anastasi,WirelessSensorNetworkswithMobile
Elements:A
Survey,
ACMTransactionsonSensorNetworks,Vol.8,No.1,Aug.2011.
8/2/2019 ICCCN 2011-Wireless Multimedia Sensor Networks-Sajal K
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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.
8/2/2019 ICCCN 2011-Wireless Multimedia Sensor Networks-Sajal K
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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
CenterforResearchinWirelessMobilityandNetworking(CReWMaN) August1,2011
8/2/2019 ICCCN 2011-Wireless Multimedia Sensor Networks-Sajal K
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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
CenterforResearchinWirelessMobilityandNetworking(CReWMaN) August1,2011
. .,
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BroaderImpacts
SocietalGrandChallenges(National&Global) ,
Healthcare(health
risks,
wellbeing
and
care)
Energy&Sustainability(monitoringandmitigation)
ExtremeEventsManagement(disasters,forestfires,)
Smartphonesw/burgeoningcapabilitiesandsensors
Deeppenetrationofmobiledevicesandnetworking
Howtohandlepervasivecomputingatscale?
CenterforResearchinWirelessMobilityandNetworking(CReWMaN) August1,2011
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EnergyandSustainability
Smartappliances,buildings,powergrid
Netzeroenergybuildings
Minimizepeaksystemusage
Nocascadingfailures
CenterforResearchinWirelessMobilityandNetworking(CReWMaN) August1,2011
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SmartHealthCare
Infusion
um O eratin
room
Embeddedmedical
offuture devices
Patientrecordsateverypointofcare
24/7monitoring
and
treatment
AssistedTechnologyforeveryone
CenterforResearchinWirelessMobilityandNetworking(CReWMaN) August1,2011
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CenterforResearchinWirelessMobilityandNetworking(CReWMaN) August1,2011
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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?
CenterforResearchinWirelessMobilityandNetworking(CReWMaN) August1,2011
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)
CenterforResearchinWirelessMobilityandNetworking(CReWMaN) August1,2011
, ,
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!
CenterforResearchinWirelessMobilityandNetworking(CReWMaN) August1,2011
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