Hyun-Seong Lee, Seoung-Hyeon Lee, Jae-Gwang Lee, Jae Kwang Lee. Design of Beacon-Based Positioning System Using RF and Sound Wave in Smartphone. In James J. Park, Vincenzo Loia, Gangman Yi, Yunsick Sung, editors, Advances in Computer Science and Ubiquitous Computing - CSA/CUTE 2017, Taichung, Taiwan, 18-20 December. Volume 474 of Lecture Notes in Electrical Engineering, pages 180-186, Springer, 2017. [doi]
Abstract is missing.