All-Weather sub-50-cm Radar-Inertial Positioning

no code implementations • 9 Sep 2020 • Lakshay Narula, Peter A. Iannucci, Todd E. Humphreys

Deployment of automated ground vehicles beyond the confines of sunny and dry climes will require sub-lane-level positioning techniques based on radio waves rather than near-visible-light radiation.

First results from three years of GNSS Interference Monitoring from Low Earth Orbit

no code implementations • 9 Sep 2020 • Matthew J. Murrian, Lakshay Narula, Peter A. Iannucci, Scott Budzien, Brady W. O'Hanlon, Mark L. Psiaki, Todd E. Humphreys

Observation of terrestrial GNSS interference (jamming and spoofing) from low-earth orbit (LEO) is a uniquely effective technique for characterizing the scope, strength, and structure of interference and for estimating transmitter locations.

Automotive-Radar-Based 50-cm Urban Positioning

no code implementations • 2 May 2020 • Lakshay Narula, Peter A. Iannucci, Todd E. Humphreys

Deployment of automated ground vehicles (AGVs) beyond the confines of sunny and dry climes will require sub-lane-level positioning techniques based on radio waves rather than near-visible-light radiation.

Position Translation

Deep urban unaided precise Global Navigation Satellite System vehicle positioning

no code implementations • 23 Jun 2019 • Todd E. Humphreys, Matthew J. Murrian, Lakshay Narula

This paper presents the most thorough study to date of vehicular carrier-phase differential GNSS (CDGNSS) positioning performance in a deep urban setting unaided by complementary sensors.