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Todd Humphreys

University of Texas System

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Publication

Featured researches published by Todd Humphreys.

Archive | 2013

WHITEPAPER: ACHIEVING THE CRAMER-RAO LOWER BOUND IN GPS TIME-OF-ARRIVAL ESTIMATION, A FREQUENCY DOMAIN WEIGHTED LEAST-SQUARES ESTIMATOR APPROACH

Kenneth M. Pesyna; Todd Humphreys

WHITEPAPER: ACHIEVING THE CRAMER-RAO LOWER BOUND IN nGPS TIME-OF-ARRIVAL ESTIMATION, A FREQUENCY DOMAIN nWEIGHTED LEAST-SQUARES ESTIMATOR APPROACH

Proceedings of the 25th International Technical Meeting of The Satellite Division of the Institute of Navigation (ION GNSS 2012) | 2012

Real-Time Spoofing Detection Using Correlation Between two Civil GPS Receiver

Brady W. O’Hanlon; Mark L. Psiaki; Todd Humphreys; Jahshan Bhatti

Archive | 2015

SYSTEM AND METHOD FOR USING GLOBAL NAVIGATION SATELLITE SYSTEM (GNSS) NAVIGATION AND VISUAL NAVIGATION TO RECOVER ABSOLUTE POSITION AND ATTITUDE WITHOUT ANY PRIOR ASSOCIATION OF VISUAL FEATURES WITH KNOWN COORDINATES

Todd Humphreys; Daniel Shepard; Kenneth Pesyna Jr.; Jahshan Bhatti

Archive | 2016

High-precision GPS Vehicle Tracking to Improve Safety

Todd Humphreys; Matthew Murrian; Collin W. Gonzalez; Kenneth M. Pesnya Jr.; Daniel Shepard; Andrew J. Kerns

Archive | 2016

SYSTEM AND METHOD FOR FUSION OF CAMERA AND GLOBAL NAVIGATION SATELLITE SYSTEM (GNSS) CARRIER-PHASE MEASUREMENTS FOR GLOBALLY-REFERENCED MOBILE DEVICE POSE DETERMINATION

Todd Humphreys; Kenneth Pesyna Jr.; Daniel Shepard

Investigación y ciencia | 2014

La vulnerabilidad de los drones

Kyle D. Wesson; Todd Humphreys

Archive | 2012

Millimeter-accurate Augmented Reality enabled by Carrier-Phase Differential GPS

Daniel Shepard; Ken Pesyna; Todd Humphreys

Archive | 2012

Probabilistic Secure Time Transfer: Challenges for a Sub-Millisecond World

Kyle D. Wesson; Todd Humphreys; Brian L. Evans

Archive | 2011

GPS-assisted Femtocell Synchronization and Localization Through Tightly-Coupled OpportunisticNavigation

Ken Pesyna; Kyle D. Wesson; Robert W. Heath; Todd Humphreys

Archive | 2009

GPS, GNSS, and Ionospheric Density Gradients

Paul M. Kintner; Brady W. O'Hanlon; Todd Humphreys

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Daniel Shepard

University of Texas System

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Kyle D. Wesson

University of Texas at Austin

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Mark L. Psiaki

Apple Inc.

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Alessandro P. Cerruti

Cornell University

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Brady W. O'Hanlon

Cornell University

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Jahshan Bhatti

University of Texas System

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Kenneth Pesyna Jr.

University of Texas System

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P. M. Kintner

Cornell University

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Andrew J. Kerns

University of Texas at Austin

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Brent M. Ledvina

Cornell University

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