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Indoor Localization Systems
 

Indoor Localization Systems

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    Indoor Localization Systems Indoor Localization Systems Presentation Transcript

    • CSCI 7000: Advanced Robotics
      By: Niket Shah
      Indoor Positioning SystemDesign Review
    • Agenda
      Current Localization System
      Goal
      Survey of different technologies
      Possible Solution: RSSI based Position Estimation
      Possible Solution: Details
      Implementation Issues
    • Current System
      PDP uses StarGazer Modules
      Output: [X,Y] Co-ordinates along with orientation
      Problems:
      Very Costly
      Power Consumption
      Form Factor
    • Goal
      Alternative solution to StarGazer
      Cost Effective
      Rapid Prototype
      Acceptable Accuracy
      Scalable
      Integrate with existing Localization Framework
    • Survey: Technologies
      Wireless
      Wi-Fi based Indoor Localization
      RSSI based Triangulation: Zigbee/ISM band SoCTranscievers
      CSS (Chirp Spread Spectrum): NanoTron’snanLOCtransciver
      Scene Analysis: StarGazer, Kinect/OpenSLAM
      Ultrasonic: Cricket, ActiveBat
      Proximity: IR, RFID
    • Possible Solution: Triangulation
    • Possible Solution: TI’s CC2431 SoC
      2.4 GhzZigbee, Low-Power Transceiver
      In-built Hardware Localization Engine
    • Issues
      RSSI vs Distance: Non-Linearity
      Additional algorithms required
      Survey of location to create RSSI Map
      Orientation detection (Digital Compass?)
      Multi Level positioning (MEMS Pressure Sensor?)
      Budget, Logistics
    • Thank You!