CMUSV Students Win Best Demo Award at Ubicomp ’11-Silicon Valley Campus - Carnegie Mellon University

CMUSV Students Win Best Demo Award at Ubicomp ’11-Silicon Valley Campus - Carnegie Mellon University

CMUSV Students Win Best Demo Award at Ubicomp ’11

Carnegie Mellon University Silicon Valley (CMUSV) Ph.D. students Zheng Sun and Aveek Purohit, both Electrical and Computer Engineering (ECE), and their faculty advisor Dr. Pei Zhang, along with visiting scholars Kaifei Chen and Shijia Pan, were awarded "Best Demo" at Ubicomp 2011, the 13th International Conference on Ubiquitous Computing. "This is the premier conference for our field. The conference is highly selective, only a 16% acceptance rate, so having our demo selected is a great honor," said Dr. Zhang. The conference was held this year September 17-21, 2011, in Beijing, China.

The demo was titled: "PANDAA: Physical Arrangement Detection for Netowrked Devices through Ambient Sound Awareness."

"PANDAA is a novel technique that detects relative physical arrangement of networked devices, such as printers, mobile phones, laptops, and desktops, in an indoor environment. The highlight of this demo is that, as opposde to previous work using loud chirp sound, PANDAA uses only ambient sound that is passively generated in the indoor environment, such as hand claps, finger snaps, human speech, or music, so that the disturbance to the environment is minimized. This advantage makes this technique more applicable than previous work to smart home and office use," explained third year Ph.D. ECE student Zheng Sun.

"In PANDAA's affiliated Ubicomp full paper, we describe in detail how PANDAA uses ambient sounds to autonomously resolve the spatial relative arrangement of devices using trigonometric bounds and successive approximation. Using only the time difference of arrival measurements as a bound for successive estimations, we demonstrate that PANDAA is able to achieve an average of 0.17 meter accuracy for device locations," added Sun.