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DexterNet. An Open Platform for Heterogeneous Body Sensor Networks and Its Applications. Katherine Gilani (UT Dallas) Philip Kuryloski (Cornell) Posu Yan (UC Berkeley). What Is DexterNet ?. Wireless body sensor network system Heterogeneous sensor integration
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DexterNet An Open Platform for Heterogeneous Body Sensor Networks and Its Applications Katherine Gilani (UT Dallas) Philip Kuryloski (Cornell) Posu Yan (UC Berkeley)
What Is DexterNet? • Wireless body sensor network system • Heterogeneous sensor integration • Mobile monitoring through wearable body sensors and environmental sensors • Real-time data storage and analysis Introduction System SPINE Applications Future Work
Design Principles • Open Source • SPINE • Real-time, dynamically configurable • Flexible 3-layer architecture • Body Sensor Layer (BSL) • Personal Network Layer (PNL) • Global Network Layer (GNL) Introduction System SPINE Applications Future Work
Platform Comparison Introduction System SPINE Applications Future Work
3-Layer Architecture Introduction System SPINE Applications Future Work
Introduction System SPINE Applications Future Work
Body Sensor Layer (BSL) • Motion sensor • 3 axis accelerometer • 2 axis gyroscope (rotation) • Biosensor • electrocardiogram (ECG) • electrical impedance pneumography (EIP) • More motes supported via SPINE Introduction System SPINE Applications Future Work
Personal Network Layer (PNL) • Nokia N-series Internet Tablet • Linux • C, Java • Telosb mote • 802.15.4 radio • TinyOS • GPS Introduction System SPINE Applications Future Work
BSL + PNL Introduction System SPINE Applications Future Work
Global Network Layer (GNL) • Applications • Avatar • Action Recognition • Database connectivity • Medical records • Events or raw/compressed data Introduction System SPINE Applications Future Work
What Is SPINE? • Open source software framework • Mote and basestation software • Wireless discovery and configuration • On-node signal processing • Provides BSL+PNL software for DexterNet Introduction System SPINE Applications Future Work
Design of SPINE • 3 main components • Sensing, processing, communication • Modular • New sensors can be rapidly integrated • New processing supports all available sensors • Communication is abstracted for components • Base station enhancements Introduction System SPINE Applications Future Work
Avatar • Visualize motion in somewhat organic way • Improved visual quality over first generation system Introduction System SPINE Applications Future Work
Implementation • jMonkeyEngine for rendering and physics • Jointed body model • Physics damps and constrains data • Animate a model using skeleton Introduction System SPINE Applications Future Work
Action Recognition • Wearable Action Recognition Database (WARD) • 20 subjects • 13 continuous actions • Activity monitoring Introduction System SPINE Applications Future Work
Public Health • People and environment monitoring • GPS, motion, bio, air particles • Applications • Obesity studies • Asthma studies Introduction System SPINE Applications Future Work
Introduction System SPINE Applications Future Work
Future Work • Security • Cross-layer • Privacy of data • More wearable hardware • Continuation of public health experiments Introduction System SPINE Applications Future Work
DexterNet • Katherine Gilani • kt.g@student.utdallas.edu • Philip Kuryloski • pjk25@cornell.edu • Posu Yan • pyan@eecs.berkeley.edu