Keiichi Zempo, Satoki Ogiso, Koichi Mizutani, Naoto Wakatsuki. Measurement of the distance difference of acoustic beacons using direct conversion receiver. In IEEE 4th Global Conference on Consumer Electronics, GCCE 2015, Osaka, Japan, 27-30 October 2015. pages 139-142, IEEE, 2015. [doi]
Abstract is missing.