Introducing the Acoustic Location Processing System (ALPS), a centimeter-level accurate indoor positioning system for off-the-shelf smartphones and tablets. ALPS uses low-cost, energy harvesting ultrasound beacons to enable high accuracy localization applications such as multi-user augmented reality, fine grained retail analytics and next generation assistive technologies. All your users need to do is install your ALPS enabled app.
Yodel Labs is a Carnegie Mellon University spinout founded in 2017. Our mission is to provide the most accurate location services in the mobile device industry, enabling your mobile app to bridge the gap between the virtual and the physical world.
Microsoft Indoor Localization Competition
2015 - First in infrastructure-based category
2018 - Best phone-based system, 2nd overall