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Dynamic Sensor Networking

Learn how dynamic sensor networking using a wireless radio network can improve efficiency in a sensor system. Explore a study on routing information from scattered sensors to a central computer with mobile gateways and static clients. Follow the implementation of MICA2 Motes on sensors and Mote-controlled Mobile Bridge in a practical setup. See the proposed network layout and components for better understanding and application in modern technology systems.

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Dynamic Sensor Networking

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  1. Dynamic Sensor Networking Using a Wireless Radio Network to Improve Efficiency in a Sensor System Manuel Garméndez, SHARP Apprentice Yasha Okshtein, SHARP Apprentice Dr. Siva Thangam, Mentor Dr. Kishore Pochiraju, Advisor

  2. Basic Networking Internet or Central Computer • Individual computers are called clients. • Clients connect to links called gateways. • Gateways interconnect or connect to the Internet or a central computer. Gateway Gateway Computer Computer Computer Computer

  3. Dynamic Networks • Dynamic networks, usually wireless, constantly change. • There are three types of dynamic networks: • Static Gateway – Mobile Client • Mobile Gateway – Static Client • Mobile Gateway – Mobile Client • Dynamic networks increase efficiency, requiring less infrastructure over large areas.

  4. Sensors and Clients Radio Radio • Sensors on clients are scattered. • Sensors collect data. • Data is then sent, or routed, to a location. Client Client Sensor Sensor Data Data Radio Central Computer Radio Radio Client Client Sensor Sensor Data Data

  5. Investigation • Mission: to use a dynamic sensor network to route information from scattered sensors to a central computer. • Static sensors and dynamic gateways chosen for the network type. • Microcomputers chosen to be static clients. • Remote Control (R.C.) car will serve as mobile gateway.

  6. Sensors/Clients Microcomputers called MICA2 Motes by Crossbow. Motes include AA power supply, sensor mounts, and wireless communication. Sensors to operate on low power. Mobile Bridge Dodge Viper GTSR R.C. car Body removed to mount Mote and power supply. Circuitry to be controlled by Mote operating on high power. Preprogrammed patrol path will make stops at each sensor. Network Components

  7. Mobile Bridge • Overhead view of Mobile Bridge. • Drive system includes 2 DC motors, drive circuitry, and power supply (red box). • Mounting locations where additional power supply and Mote will be attached to the chassis of the car (green boxes).

  8. Central Computer Proposed Network Layout Key Sensor/Client Mobile Bridge Wireless Radio Ranges Bridge Zones

  9. Dr. Siva Thangam, Mentor Nimer Rimawi National Aeronautics and Space Administration (NASA) Dr. Kishore Pochiraju, Advisor Stevens Institute of Technology Modern Technology Systems Inc. (MTSI) Acknowledgements

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