Research Article
A Proposal on Direction Estimation between Devices Using Acoustic Waves
@INPROCEEDINGS{10.1007/978-3-642-30973-1_3, author={Yasutaka Nishimura and Naoki Imai and Kiyohito Yoshihara}, title={A Proposal on Direction Estimation between Devices Using Acoustic Waves}, proceedings={Mobile and Ubiquitous Systems: Computing, Networking, and Services. 8th International ICST Conference, MobiQuitous 2011, Copenhagen, Denmark, December 6-9, 2011, Revised Selected Papers}, proceedings_a={MOBIQUITOUS}, year={2012}, month={10}, keywords={Direction Estimation Acoustic Wave Smartphone Doppler Effect}, doi={10.1007/978-3-642-30973-1_3} }- Yasutaka Nishimura
Naoki Imai
Kiyohito Yoshihara
Year: 2012
A Proposal on Direction Estimation between Devices Using Acoustic Waves
MOBIQUITOUS
Springer
DOI: 10.1007/978-3-642-30973-1_3
Abstract
How can you easily find a partner in rendezvous whom you have not met before (e.g., a new friend on social network service, a customer in delivery service)? One answer is to display the distance and direction to the partner on your smartphone. Although conventional work has provided keys to perform distance estimation with only commodities like smartphones, direction estimation requires pre-planned infrastructure or special hardware. In this paper, we newly propose a direction estimation method, which monitors Doppler Effect of acoustic waves generated by user’s simple motion. Moreover, we implemented the proposed method, and measured its performance under real-world conditions. The experimental results show that the estimation error ranges within 18.0 degrees, which is practical for the above use cases.
