Using Wi-Fi to measure speed and distance of indoor movement: Page 2 of 2

August 29, 2019 //By Jean-Pierre Joosting
Using Wi-Fi to measure speed and distance of indoor movement
Researchers from North Carolina State University have developed a technique that uses a novel combination of Wi-Fi signals and accelerometer technology to track devices in near-real time

The researchers found that using WIO improved a device's speed and distance calculations dramatically. For example, devices using WIO calculated distance with a margin of error ranging from 5.9% to 10.5%. Without WIO, the devices calculated distance with a margin of error from 40% to 49%.

"We envision WIO as having applications in everything from indoor navigational tools to fitness tracking to interactive gaming," Venkatnarayan says.

"We are currently working with Sony to further improve WIO's accuracy, with an eye toward incorporating the software into off-the-shelf technologies," says Shahzad.

The work was done with support from the National Science Foundation, under grant 1565609.

www.ncsu.edu

The paper, “Enhancing Indoor Inertial Odometry with WiFi,” by Raghav H. Venkatnarayan and Muhammad Shahzad, North Carolina State University will be presented at UbiComp 2019, being held from September 11-13 in London, U.K. The work was done with support from the National Science Foundation, under grant 1565609. DOI: 10.1145/3328918.


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