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ScouTrak

ScouTrak. Team: Jesse Salazar Rajeev Sharma Mitch Luban Owen Jarrett. Status update. Mounted display indicating location of important objects by triangulating from RSSI readings Project updates RSSI values can be polled Timing issues resolved RSSI values displayed on LCD

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ScouTrak

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  1. ScouTrak Team: Jesse Salazar Rajeev Sharma Mitch Luban Owen Jarrett

  2. Status update • Mounted display indicating location of important objects by triangulating from RSSI readings • Project updates • RSSI values can be polled • Timing issues resolved • RSSI values displayed on LCD • Triangulation and RSSI-to-distance functions are written • Currently have two sets of unfiltered RSSI data • No performance data yet

  3. Experimentation plan • Set up XBee routers and take RSSI measurements at various distances • Xbeepacketdatareturns integer value with a typical range of 40-70, depending on distance • Distance: 1-24 meters, more measurements taken at close distances • Take 40-50 readings at each distance, take average, use for triangulation later • Currently have data for UC gym • Need data for Gates 6115 (different RSSI values)

  4. Initial data • More variation at greater distances • Use closest base stations for triangulation • Use running average filter, remove outliers • Some variation based on antenna angle • Might use accelerometers if time permits

  5. Looking forward • Learned that Arduino pins are scarce • Needed to rewire Arduino pins to interact with both Xbee shield and LCD • Next two weeks: • Integrate triangulation/RSSI lookup code • Optimize for performance • Take performance measurements • Further refine measurement accuracy (accelerometers) • Considering project enclosures if time permits

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