Image: GPS World

About Todd E. Humphreys

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Todd Humphreys (BS, MS, Electrical Engineering, Utah State University; PhD, Aerospace Engineering, Cornell University) is a professor in the Department of Aerospace Engineering and Engineering Mechanics at UT Austin, where he directs the Radionavigation Laboratory.

Posts by Todd E. Humphreys

GNSS Spoofing Detection: Guard against automated ground vehicle attacks Posted on 23 Feb 2023 in the From the Magazine & Innovation categories.

How carrier-phase measurements combined with those from an inertial measurement unit can guard against a deliberate attack on an automated ground vehicle. Read more»

Low-cost precise positioning for automated vehicles Posted on 28 Aug 2016 in the Featured Stories & From the Magazine & Transportation categories.

Carrier-phase differential GNSS produces mass-market centimeter accuracy A dense reference network facilitates low-cost carrier-phase differential GNSS positioning with rapid integer-ambiguity resolution. This could enable precise lane-keeping for automated vehicles in... Read more»