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Todd Humphreys
GPS-assisted Femtocell Synchronization and Localization Through Tightly-Coupled Opportunistic Navigation
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Ken Pesyna Jr
Kyle Wesson
Todd Humphreys
2011
Poster
Tightly-Coupled Opportunistic Navigation for Deep Urban and Indoor Positioning
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Jahshan Bhatti
Ken Pesyna Jr
Todd Humphreys
Zak Kassas
2011
Conference Paper
Tightly-Coupled Opportunistic Navigation for Deep Urban and Indoor Positioning
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Jahshan Bhatti
Ken Pesyna Jr
Todd Humphreys
Zak Kassas
2011
Poster
Characterization of Receiver Response to Spoofing Attacks
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Daniel Shepard
Todd Humphreys
2011
Conference Paper
An Evaluation of the Vestigial Signal Defense for Civil GPS Anti-Spoofing
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Daniel Shepard
Jahshan Bhatti
Kyle Wesson
Todd Humphreys
2011
Conference Paper
A Proposed Navigation Message Authentication Implementation for Civil GPS Anti-Spoofing
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Kyle Wesson
Todd Humphreys
2011
Conference Paper
Civilian GPS Spoofing Detection based on Dual-Receiver Correlation of Military Signals
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Brady O'Hanlon
Daniel Shepard
Jahshan Bhatti
Mark Psiaki
Todd Humphreys
2011
Conference Paper
Signal Characteristics of Civil GPS Jammers
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Brady O'Hanlon
Jahshan Bhatti
Mark Psiaki
Todd Humphreys
2011
Conference Paper
CASES: A Smart, Compact GPS Software Receiver for Space Weather Monitoring
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Brady O'Hanlon
Jahshan Bhatti
Mark Psiaki
Todd Humphreys
2011
Conference Paper
CASES: A Novel Low-Cost Ground-based Dual-Frequency GPS Software Receiver and Space Weather Monitor
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Brady O'Hanlon
Jahshan Bhatti
Mark Psiaki
Todd Humphreys
2011
Conference Paper
Extending the Reach of GPS-assisted Femtocell Synchronization and Localization Through Tightly-Coupled Opportunistic Navigation
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Ken Pesyna Jr
Kyle Wesson
Todd Humphreys
2011
Conference Paper
Presentation
Video Presentation
GPS Spoofing and the Financial Sector
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Todd Humphreys
2011
White Paper
State of the Art and Future Trends in Radionavigation
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Todd Humphreys
2011
Presentation
Indoor GPS: Tightly Coupled Opportunistic Navigation
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Jahshan Bhatti
Ken Pesyna Jr
Kyle Wesson
Todd Humphreys
2010
Poster
GPS Spoofing Detection System
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Brady O'Hanlon
Jahshan Bhatti
Mark Psiaki
Todd Humphreys
2010
Poster
Spoofing the Timing Signal: What Else is Vulnerable?
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Todd Humphreys
2010
Presentation
The GPS Assimilator: a Method for Upgrading Existing GPS User Equipment to Improve Accuracy, Robustness, and Resistance to Spoofing
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Brent Ledvina
Jahshan Bhatti
Todd Humphreys
2010
Conference Paper
Presentation
Opportunistic Frequency Stability Transfer for Extending the Coherence Time of GNSS Receiver Clocks
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Jahshan Bhatti
Ken Pesyna Jr
Kyle Wesson
Todd Humphreys
2010
Conference Paper
Presentation
Advances in GNSS Equipment
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Todd Humphreys
2010
Presentation
GNSS Assimilator: A method for upgrading existing GNSS user equipment to improve accuracy, robustness, and resistance to spoofing
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Brent Ledvina
Todd Humphreys
2010
Trade Magazine Article
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