Collision Avoidance Based on TelosB - PowerPoint PPT Presentation

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Collision Avoidance Based on TelosB

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  1. Collision Avoidance Based on TelosB Team members: Alex Woodard David Combs ShiquLiu

  2. Outline I. Background II. Technology Components

  3. Background When you go turn a corner, you may be distracted by your phone! From the opposite side, a person may be doing the same thing!

  4. Background Person 1 Corner Person 2

  5. Background We need a device to warn us whether a person is coming from the opposite corner!

  6. Technology Components 1.Sensing for a change in light from the shadow  2.Measuring the signal strength --  RSSI 3.Warning the pedestrians

  7. Technology Roadmap  Detectingthe shadow  Disadvantage Advantage It’s easy to detect shadow The change of light may be not obvious The shadow may not project on the device

  8. Technology Roadmap  Measuringthe RSSI Advantage Disadvantage It’s widely used in indoor location, we can find with many previous studies It’s difficult to know when two people come from the same side

  9. Proposed Setup Person 1 Warning LED Communication between devices Shadow Detection Person 2

  10. Questions?