Publications (4)
Authentication Security of PRF GNSS Ranging
Jason Anderson
This work derives the authentication security of pseudorandom function (PRF) GNSS ranging under multiple GNSS spoofing models, including the Security Code Estimation and Replay (SC…
World's First Authenticated Satellite Pseudorange from Orbit
Jason Anderson
Cryptographic Ranging Authentication is here! We present initial results on the Pulsar authenticated ranging service broadcast from space with Pulsar-0 utilizing a recording taken…
Data downloaded via parachute from a NASA super-pressure balloon
Ellen L. Sirks, Richard Massey, Ajay S. Gill +40
In April to May 2023, the superBIT telescope was lifted to the Earth's stratosphere by a helium-filled super-pressure balloon, to acquire astronomical imaging from above (99.5% of)…
Time Synchronization of TESLA-enabled GNSS Receivers
Jason Anderson, Sherman Lo, Todd Walter
As TESLA-enabled GNSS for authenticated positioning reaches ubiquity, receivers must use an onboard, GNSS-independent clock and carefully constructed time synchronization algorithm…