• Uses Intel digital signage displays for displaying advertisements and interacting with users.
  • Linksys routers with custom software provide the data used for trilateralization and tracking of consumer locations.
  • USB Wi-Fi adapters at each billboard allow users to register their phones with the system in order to provide more accurate product feedback.


  • Routers will run DD-WRT, a modified Linux-based firmware for Linksys routers.
  • Sign interface will run an OpenGL-based interface combined with facial recognition provided by OpenCV.
  • Central server will calculate consumer location based on 802.11 RSSI.


  • Consumer location determined through received signal strength of 802.11 a/b/g/n signals.
  • Routers synchronize captured location data over UDP and ethernet.
  • Consumer preference database updated and maintained through a TCP connection and ethernet.