DexterNetKatherine Gilani (UT Dallas)Philip Kuryloski (Cornell)Posu Yan (UC Berkeley)An Open Platform for Heterogeneous Body Sensor Networks and Its Applications

Wireless body sensor network systemHeterogeneous sensor integrationMobile monitoring through wearable body sensors and environmental sensorsReal-time data storage and analysis

What Is DexterNet?IntroductionSystemSPINEApplicationsFuture Work

Open SourceSPINEReal-time, dynamically configurableFlexible 3-layer architectureBody Sensor Layer (BSL)Personal Network Layer (PNL)Global Network Layer (GNL)

Design PrinciplesIntroductionSystemSPINEApplicationsFuture Work

Platform ComparisonIntroductionSystemSPINEApplicationsFuture Work

3-Layer ArchitectureIntroductionSystemSPINEApplicationsFuture Work

IntroductionSystemSPINEApplicationsFuture Work

Motion sensor3 axis accelerometer2 axis gyroscope (rotation)Biosensorelectrocardiogram (ECG)electrical impedance pneumography (EIP)More motes supported via SPINEBody Sensor Layer (BSL)IntroductionSystemSPINEApplicationsFuture Work

Nokia N-series Internet TabletLinuxC, JavaTelosb mote802.15.4 radioTinyOSGPSPersonal Network Layer (PNL)IntroductionSystemSPINEApplicationsFuture Work

BSL + PNLIntroductionSystemSPINEApplicationsFuture Work

ApplicationsAvatarAction RecognitionDatabase connectivityMedical recordsEvents or raw/compressed data

Global Network Layer (GNL)IntroductionSystemSPINEApplicationsFuture Work

Open source software frameworkMote and basestation softwareWireless discovery and configurationOn-node signal processingProvides BSL+PNL software for DexterNet

What Is SPINE?IntroductionSystemSPINEApplicationsFuture Work

3 main componentsSensing, processing, communicationModularNew sensors can be rapidly integratedNew processing supports all available sensorsCommunication is abstracted for componentsBase station enhancements

Design of SPINEIntroductionSystemSPINEApplicationsFuture Work

Visualize motion in somewhat organic wayImproved visual quality over first generation systemAvatarIntroductionSystemSPINEApplicationsFuture Work

jMonkeyEngine for rendering and physicsJointed body modelPhysics damps and constrains dataAnimate a model using skeleton

ImplementationIntroductionSystemSPINEApplicationsFuture Work

Wearable Action Recognition Database (WARD)20 subjects13 continuous actionsActivity monitoringAction RecognitionIntroductionSystemSPINEApplicationsFuture Work

People and environment monitoringGPS, motion, bio, air particlesApplicationsObesity studiesAsthma studies

Public HealthIntroductionSystemSPINEApplicationsFuture Work

IntroductionSystemSPINEApplicationsFuture Work

SecurityCross-layerPrivacy of dataMore wearable hardwareContinuation of public health experiments

Future WorkIntroductionSystemSPINEApplicationsFuture Work

DexterNetKatherine Gilanikt.g@student.utdallas.eduPhilip Kuryloskipjk25@cornell.eduPosu Yanpyan@eecs.berkeley.edu