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DexterNet

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

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

  2. 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

  3. 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

  4. Platform Comparison Introduction System SPINE Applications Future Work

  5. 3-Layer Architecture Introduction System SPINE Applications Future Work

  6. Introduction System SPINE Applications Future Work

  7. 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

  8. 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

  9. BSL + PNL Introduction System SPINE Applications Future Work

  10. Global Network Layer (GNL) • Applications • Avatar • Action Recognition • Database connectivity • Medical records • Events or raw/compressed data Introduction System SPINE Applications Future Work

  11. 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

  12. 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

  13. Avatar • Visualize motion in somewhat organic way • Improved visual quality over first generation system Introduction System SPINE Applications Future Work

  14. 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

  15. Action Recognition • Wearable Action Recognition Database (WARD) • 20 subjects • 13 continuous actions • Activity monitoring Introduction System SPINE Applications Future Work

  16. Public Health • People and environment monitoring • GPS, motion, bio, air particles • Applications • Obesity studies • Asthma studies Introduction System SPINE Applications Future Work

  17. Introduction System SPINE Applications Future Work

  18. Future Work • Security • Cross-layer • Privacy of data • More wearable hardware • Continuation of public health experiments Introduction System SPINE Applications Future Work

  19. DexterNet • Katherine Gilani • kt.g@student.utdallas.edu • Philip Kuryloski • pjk25@cornell.edu • Posu Yan • pyan@eecs.berkeley.edu

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