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

2. Wireless body sensor network system – Heterogeneous sensor integration Mobile monitoring through wearable body sensors and environmental sensors Real-time data storage and analysis What Is DexterNet? IntroductionSystemSPINEApplicationsFuture Work

3. Open Source – SPINE Real-time, dynamically configurable Flexible 3-layer architecture – Body Sensor Layer (BSL) – Personal Network Layer (PNL) – Global Network Layer (GNL) Design Principles IntroductionSystemSPINEApplicationsFuture Work

4. Platform Comparison IntroductionSystemSPINEApplicationsFuture Work

5. 3-Layer Architecture IntroductionSystemSPINEApplicationsFuture Work

6. IntroductionSystemSPINEApplicationsFuture Work

7. Motion sensor – 3 axis accelerometer – 2 axis gyroscope (rotation) Biosensor – electrocardiogram (ECG) – electrical impedance pneumography (EIP) More motes supported via SPINE Body Sensor Layer (BSL) IntroductionSystemSPINEApplicationsFuture Work

8. Nokia N-series Internet Tablet – Linux – C, Java Telosb mote – 802.15.4 radio – TinyOS GPS Personal Network Layer (PNL) IntroductionSystemSPINEApplicationsFuture Work

9. BSL + PNL IntroductionSystemSPINEApplicationsFuture Work

10. Applications – Avatar – Action Recognition Database connectivity – Medical records – Events or raw/compressed data Global Network Layer (GNL) IntroductionSystemSPINEApplicationsFuture Work

11. Open source software framework – Mote and basestation software Wireless discovery and configuration On-node signal processing Provides BSL+PNL software for DexterNet What Is SPINE? IntroductionSystemSPINEApplicationsFuture Work

12. 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 Design of SPINE IntroductionSystemSPINEApplicationsFuture Work

13. Visualize motion in somewhat organic way Improved visual quality over first generation system Avatar IntroductionSystemSPINEApplicationsFuture Work

14. jMonkeyEngine for rendering and physics Jointed body model – Physics damps and constrains data Animate a model using skeleton Implementation IntroductionSystemSPINEApplicationsFuture Work

15. Wearable Action Recognition Database (WARD) – 20 subjects – 13 continuous actions Activity monitoring Action Recognition IntroductionSystemSPINEApplicationsFuture Work

16. People and environment monitoring – GPS, motion, bio, air particles Applications – Obesity studies – Asthma studies Public Health IntroductionSystemSPINEApplicationsFuture Work

17. IntroductionSystemSPINEApplicationsFuture Work

18. Security – Cross-layer – Privacy of data More wearable hardware Continuation of public health experiments Future Work IntroductionSystemSPINEApplicationsFuture Work

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