SonicPACT: An Ultrasonic Ranging Method for the Private Automated Contact Tracing (PACT) Protocol.

John Meklenburg Michael A. Specter Michael Wentz Hari Balakrishnan Anantha P. Chandrakasan John Cohn Gary Hatke Louise Ivers Ronald L. Rivest Gerald Jay Sussman Daniel J. Weitzner SonicPACT: An Ultrasonic Ranging Method for the Private Automated Contact Tracing (PACT) Protocol. 2020 abs/2012.04770 CoRR https://arxiv.org/abs/2012.04770 db/journals/corr/corr2012.html#abs-2012-04770