WISENET Wireless Sensor Network BY G.JANAREDDY 08Q61A0569 IV CSE
Overview <ul><li>Introduction </li></ul><ul><li>Design Goals </li></ul><ul><li>Design Methodology </li></ul><ul><li>Subsys...
Introduction <ul><li>Wireless Sensor Networks </li></ul><ul><ul><li>One of MIT's 10 emerging technologies </li></ul></ul><...
HISTORY: <ul><li>The technological drive for smaller devices using  </li></ul><ul><li>less power with greater functionalit...
Design Goals <ul><li>Use of Commercial-Off-The-Shelf (COTS) software & standard interfaces where applicable </li></ul><ul>...
Design Methodology <ul><li>Top-Down Design Process: </li></ul><ul><ul><li>Define major subsystems </li></ul></ul><ul><ul><...
System Block Diagram
Subsystem – Server
WiseDB <ul><li>Written in C++ </li></ul><ul><ul><li>Utilizes open-source APIs </li></ul></ul><ul><ul><ul><li>Application P...
<ul><ul><li>Written in PHP4 </li></ul></ul><ul><ul><li>Utilizes Charting Software:  ChartDirector v3.0 </li></ul></ul><ul>...
Data Retrieval Form: Web Program
Generated Graphs: Web Program
Subsystem – Sensor Network
Block Diagram – Mote
Picture – Mote
Picture – Mote
Picture – Mote
TinyOS <ul><li>Real-time operating system for microcontrollers </li></ul><ul><li>Open-source project at UC Berkeley </li><...
TinyOS
<ul><ul><li>Wisenet is partially operational </li></ul></ul><ul><ul><ul><li>2 Motes w/ prototype sensor boards  </li></ul>...
<ul><ul><li>Expand network to develop & test  multi-hop routing </li></ul></ul><ul><ul><li>Develop a single-board mote </l...
<ul><ul><li>Lab / Office Monitoring </li></ul></ul><ul><ul><li>Natural Habitat Monitoring </li></ul></ul><ul><ul><li>Autom...
ADVANTAGES: <ul><li>The following bullet-points show the benefits of using Wisenet  </li></ul><ul><li>against traditional ...
Conclusion <ul><ul><li>WISENET: Wireless Sensor Network </li></ul></ul><ul><ul><li>Emerging technology that will change th...
REFERENCES: <ul><li>Atkinson.  MySQL++: A C++ API for MySQL, vers 1.7.9 ,  </li></ul><ul><li>online posting . 12 Dec 2002....
Questions?
THANK YOU
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  1. 1. WISENET Wireless Sensor Network BY G.JANAREDDY 08Q61A0569 IV CSE
  2. 2. Overview <ul><li>Introduction </li></ul><ul><li>Design Goals </li></ul><ul><li>Design Methodology </li></ul><ul><li>Subsystems </li></ul><ul><li>Project Success </li></ul><ul><li>Future Extensions / Projects </li></ul><ul><li>Applications </li></ul><ul><li>Conclusion </li></ul>
  3. 3. Introduction <ul><li>Wireless Sensor Networks </li></ul><ul><ul><li>One of MIT's 10 emerging technologies </li></ul></ul><ul><ul><li>Low-power systems </li></ul></ul><ul><ul><li>New applications: sensing, controls, automation </li></ul></ul><ul><li>WISENET: Wireless Sensor Network </li></ul><ul><ul><li>Office environment monitoring </li></ul></ul><ul><ul><ul><li>Temperature, humidity, light </li></ul></ul></ul><ul><ul><li>Quantitively evaluate heating & A/C systems </li></ul></ul><ul><ul><li>Funding & support provided by Honeywell, Int'l. </li></ul></ul>
  4. 4. HISTORY: <ul><li>The technological drive for smaller devices using </li></ul><ul><li>less power with greater functionality has created </li></ul><ul><li>new potential applications in the sensor and data acquisition </li></ul><ul><li>sectors. </li></ul><ul><li>MIT even recognized wireless sensor networks and TinyOS </li></ul><ul><li>as one of the ten emerging technologies that will change </li></ul><ul><li>the future (Technology Review, 1 February 2003). </li></ul><ul><li>“ Wireless Sensor Networks for Habitat Monitoring” </li></ul>
  5. 5. Design Goals <ul><li>Use of Commercial-Off-The-Shelf (COTS) software & standard interfaces where applicable </li></ul><ul><ul><li>Apache web-server (HTTP) </li></ul></ul><ul><ul><li>MySQL database </li></ul></ul><ul><ul><li>PHP web programming language </li></ul></ul><ul><li>Simple, web-based user interface </li></ul><ul><li>Battery-powered, wireless sensor nodes: 'motes' </li></ul><ul><li>Low-power consumption = Long battery life </li></ul><ul><li>Motes create self-organizing ('ad-hoc') networks for robust communications </li></ul>
  6. 6. Design Methodology <ul><li>Top-Down Design Process: </li></ul><ul><ul><li>Define major subsystems </li></ul></ul><ul><ul><li>Define subsystem interfaces </li></ul></ul><ul><li>Primary Subsystems: </li></ul><ul><ul><li>Client </li></ul></ul><ul><ul><ul><li>Standard Web browser via Internet </li></ul></ul></ul><ul><ul><li>Server </li></ul></ul><ul><ul><li>Wireless mote network </li></ul></ul>
  7. 7. System Block Diagram
  8. 8. Subsystem – Server
  9. 9. WiseDB <ul><li>Written in C++ </li></ul><ul><ul><li>Utilizes open-source APIs </li></ul></ul><ul><ul><ul><li>Application Programming Interfaces (API) </li></ul></ul></ul><ul><ul><ul><li>MySQL++ database API </li></ul></ul></ul><ul><ul><ul><li>Serial API </li></ul></ul></ul><ul><li>Relays information from mote network to database </li></ul><ul><li>Sends commands to mote network </li></ul>
  10. 10. <ul><ul><li>Written in PHP4 </li></ul></ul><ul><ul><li>Utilizes Charting Software: ChartDirector v3.0 </li></ul></ul><ul><ul><li>Generates 3 Graphs (default) </li></ul></ul><ul><ul><li>Passes Parameters via HTTP GET </li></ul></ul><ul><ul><ul><li>Use bookmarks for specific queries </li></ul></ul></ul><ul><ul><li>Retrieves Data for Specific Mote or All Motes </li></ul></ul>Web Program
  11. 11. Data Retrieval Form: Web Program
  12. 12. Generated Graphs: Web Program
  13. 13. Subsystem – Sensor Network
  14. 14. Block Diagram – Mote
  15. 15. Picture – Mote
  16. 16. Picture – Mote
  17. 17. Picture – Mote
  18. 18. TinyOS <ul><li>Real-time operating system for microcontrollers </li></ul><ul><li>Open-source project at UC Berkeley </li></ul><ul><li>Key Features: </li></ul><ul><ul><li>Developed for sensing applications </li></ul></ul><ul><ul><li>Emphasis on low-power: Idle & sleep modes </li></ul></ul><ul><ul><li>Highly modular architecture </li></ul></ul><ul><ul><li>Efficient utilization of resources </li></ul></ul><ul><li>Currently developed for Atmega microcontrollers </li></ul>
  19. 19. TinyOS
  20. 20. <ul><ul><li>Wisenet is partially operational </li></ul></ul><ul><ul><ul><li>2 Motes w/ prototype sensor boards </li></ul></ul></ul><ul><ul><ul><li>TinyOS modified for CC1010 </li></ul></ul></ul><ul><ul><ul><li>Server running WiseDB + web interface </li></ul></ul></ul><ul><ul><ul><li>Sensor boards are not currently powered by batteries. </li></ul></ul></ul><ul><ul><ul><ul><li>Problems with DC-DC converter </li></ul></ul></ul></ul><ul><ul><li>Unable to test multi-hop routing due to lack of motes </li></ul></ul>Project Success
  21. 21. <ul><ul><li>Expand network to develop & test multi-hop routing </li></ul></ul><ul><ul><li>Develop a single-board mote </li></ul></ul><ul><ul><ul><li>Create a expandable, plug-in sensor interface </li></ul></ul></ul><ul><ul><li>Research alternative energy sources </li></ul></ul><ul><ul><ul><li>Solar cell, rechargeable batteries </li></ul></ul></ul><ul><ul><li>Continue development of TinyOS </li></ul></ul><ul><ul><ul><li>Improve tools </li></ul></ul></ul><ul><ul><ul><li>Optimize performance / reduce power usage </li></ul></ul></ul><ul><ul><li>Improve web interface </li></ul></ul><ul><ul><ul><li>Data analysis </li></ul></ul></ul>Future Projects / Extensions
  22. 22. <ul><ul><li>Lab / Office Monitoring </li></ul></ul><ul><ul><li>Natural Habitat Monitoring </li></ul></ul><ul><ul><li>Automation / Process Control </li></ul></ul><ul><ul><ul><li>Where wired sensors are impractical </li></ul></ul></ul><ul><ul><li>Security Systems </li></ul></ul><ul><ul><ul><li>Intrusion detection & occupancy sensors </li></ul></ul></ul><ul><ul><li>Extreme Weather Surveillance </li></ul></ul><ul><ul><ul><li>Think “Twister” </li></ul></ul></ul><ul><ul><li>Potential Biomedical Applications </li></ul></ul><ul><ul><ul><li>Critical fall alert for the elderly </li></ul></ul></ul><ul><ul><li>Military Reconnaissance </li></ul></ul><ul><ul><ul><li>Monitor battlefields, sensitive locations </li></ul></ul></ul>Potential Applications
  23. 23. ADVANTAGES: <ul><li>The following bullet-points show the benefits of using Wisenet </li></ul><ul><li>against traditional methods. </li></ul><ul><li>Typically ¾ the cost of a walkthrough. </li></ul><ul><li>Can monitor offices over 24 hours. </li></ul><ul><li>Captures true maximum and minimum occupancy figures. </li></ul><ul><li>Installed at weekends – no staff disruption. </li></ul><ul><li>Utilization figures viewable the very next day over portal. </li></ul>
  24. 24. Conclusion <ul><ul><li>WISENET: Wireless Sensor Network </li></ul></ul><ul><ul><li>Emerging technology that will change the world </li></ul></ul><ul><ul><li>Many real-world applications </li></ul></ul><ul><ul><li>Low-power </li></ul></ul><ul><ul><li>Open-source software </li></ul></ul><ul><ul><li>Modular mote application design (TinyOS) </li></ul></ul><ul><ul><li>Flexible server implementation </li></ul></ul><ul><ul><li>Simple user interface via the web </li></ul></ul><ul><li>WISENET is a step to the future of </li></ul><ul><li>wireless sensing technology. </li></ul>
  25. 25. REFERENCES: <ul><li>Atkinson. MySQL++: A C++ API for MySQL, vers 1.7.9 , </li></ul><ul><li>online posting . 12 Dec 2002. </li></ul><ul><li><http://www.mysql.com/downloads/api-mysql++.html>. </li></ul><ul><li>2. Gay, Levis, et al. The nesC Language: A Holistic Approach to </li></ul><ul><li>Network Embedded Systems , </li></ul><ul><li>online posting. </li></ul><ul><li>To appear in Proceedings of Programming Language Design and </li></ul><ul><li>Implementation </li></ul><ul><li>(PLDI <http://today.cs.berkeley.edu/tos/papers/nesc.pdf>. </li></ul>
  26. 26. Questions?
  27. 27. THANK YOU
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