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GPS World Author

Dennis Akos


Article
Detecting False Signals with Automatic Gain Control   April 1, 2012
By: Dennis Akos,Fredrik Marsten Eklöf,Holly Borowski,Oscar Isoz,Sherman Lo

A component of most GPS receiver front-ends, the automatic gain control (AGC) can flag potential jamming and spoofing attacks. The detection method is simple to implement and accessible to most GPS receivers. It may be used alone or as a complement other anti-spoofing architectures. This article...more >>

GNSS Receiver Evaluation Article
GNSS Receiver Evaluation   December 17, 2009
By: Brian Weinstein,Dennis Akos,Eric Vinande,Tianxing Chu

This article addresses how best to quantify “which navigation system performs best” in a realistic testing scenario. The methodology focuses on land vehicles navigating in urban environments, but applies equally well to pedestrian navigation and can be adapted for testing assisted-GNSS...more >>