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ALPS: Indoor Ranging for Mobile Devices

ALPs is an indoor ultrasonic ranging technique that can be used to localize modern mobile devices like smartphones and tablets. The method uses a communication scheme in the audio bandwidth just above the human hearing frequency range where mobile devices are still sensitive.

Website
SenSys 2012
SenSys 2015
Demo Video

Latest News

  • Apr 15, 2019:
    Two new CPS Week papers at IPSN and ICCPS.
  • Mar 28, 2018:
    Congrats to Hsu-Chieh for defending!
  • Aug 31, 2018:
    Congrats to Max for defending!
  • Jun 29, 2018:
    Congrats to Oliver for defending!
  • Apr 13, 2018:
    Congrats to Niranjini, John, Krishna and Anh for winning best demo at IPSN for their AR work.
  • Apr 12, 2018:
    Congrats to Adwait, Revathy, Akshay, Anh and Artur for winning best paper at IPSN for Charm.
  • Apr 11, 2018:
    CMU and Yodel Labs (ALPS spinout) came in first and second at the Microsoft Indoor Localization Competition.
  • Apr 10, 2018:
    Congrats to Luis for defending!
  • Apr 10, 2018:
    Three new papers at IPSN in Porto!
  • Jan 15, 2018:
    The CONIX Research Center awarded $27.5M (press release)
  • Nov 26th, 2017:
    New ARPA-E project with Endeveo on people counting
  • Aug 11, 2017: Congrats to Patrick for defending!
  • Jul 24, 2017:
    Great NPR Morning Edition segment talking about our safe cyclist project
  • Jun 18, 2017:
    New NIST project on helping Firefighters navigate in buildings.
  • May 22, 2017:
    Congrats to Adwait for winning Best Presentation at RTAS this year for his Pulsar Paper.
  • Aug 15, 2016:
    New DOE Project on HVAC Control
  • Aug 10, 2016:
    New ARPA-E GridBallast project on Load Control with NRECA
  • May 12, 2016:
    Congrats to Niranjini for winning one of this year’s Samsung Fellowships
  • Apr 10, 2016:
    Initial public release of our CMU localization data set
  • May 12, 2016:
    Congrats to Niranjini for winning one of this year’s Samsung Fellowships
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