Sverre Holm, Ole B. Hovind, Svein Rostad, Rune Holm. Indoors data communications using airborne ultrasound. In 2005 IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP '05, Philadelphia, Pennsylvania, USA, March 18-23, 2005. pages 957-960, IEEE, 2005. [doi]
Abstract is missing.