Assessing the spoofing threat: Development of a portable GPS civilian spoofer

TE Humphreys, BM Ledvina, ML Psiaki… - Proceedings of the 21st …, 2008 - ion.org
A portable civilian GPS spoofer is implemented on a digital signal processor and used to
characterize spoofing effects and develop defenses against civilian spoofing. This work is …

GNSS receiver implementation on a DSP: Status, challenges, and prospects

TE Humphreys, ML Psiaki, PM Kintner… - Proceedings of the 19th …, 2006 - ion.org
A real-time GPS L1 C/A-code software receiver has been implemented on a Digital Signal
Processor (DSP). The receiver exploits FFT-based techniques to perform autonomous …

Real‐time GPS spoofing detection via correlation of encrypted signals

BW O'Hanlon, ML Psiaki, JA Bhatti, DP Shepard… - …, 2013 - Wiley Online Library
ABSTRACT A method for detecting the spoofing of civilian GPS signals has been
implemented and successfully tested in a real‐time system. GPS signal spoofing is an attack …

GNSS Software-Defined Radio: History, Current Developments, and Standardization Efforts

T Pany, D Akos, J Arribas, MZH Bhuiyan… - … : Journal of the Institute …, 2024 - navi.ion.org
Taking the work conducted by the global navigation satellite system (GNSS) software-
defined radio (SDR) working group during the last decade as a seed, this contribution …

GNSS software defined radio: history, current developments, and standardization efforts

D Akos, J Arribas, MZH Bhuiyan, P Closas… - Proceedings of the 35th …, 2022 - ion.org
Taking the work conducted by the Global Navigation Satellite System (GNSS) Software
Defined Radio (SDR) working group during the last decade as a seed, this contribution …

Design and implementation of real-time software radio for anti-interference GPS/WAAS sensors

YH Chen, JC Juang, J Seo, S Lo, DM Akos… - Sensors, 2012 - mdpi.com
Adaptive antenna array processing is widely known to provide significant anti-interference
capabilities within a Global Navigation Satellite Systems (GNSS) receiver. A main challenge …

Optimized bit-packing for bit-wise software-defined GNSS radio

Z Clements, PA Iannucci, TE Humphreys… - Proceedings of the 34th …, 2021 - ion.org
One way that software-defined radio (SDR) receivers for Global Navigation Satellite Systems
(GNSS) differ from traditional GNSS receivers is that radio-frequency (RF) data serialization …

Real-time spoofing detection using correlation between two civil GPS receiver

BW O'Hanlon, ML Psiaki, TE Humphreys… - Proceedings of the 25th …, 2012 - ion.org
A real-time method for detecting GPS spoofing in a narrow-bandwidth civilian GPS receiver
has been implemented and tested, both in the absence of and in the presence of spoofing …

Software-defined GNSS is ready for launch

H Nichols, M Murrian, T Humphreys - … Meeting of the Satellite Division of …, 2022 - ion.org
This paper explores how technological advancements in computer processing computer,
both in bit-wise parallel correlation and multicore technology, have shaped the growth of …

A testbed for develo** and evaluating GNSS signal authentication techniques

TE Humphreys, JA Bhatti, D Shepard, K Wesson - 2014 - repositories.lib.utexas.edu
An experimental testbed has been created for develo** and evaluating Global Navigation
Satellite System (GNSS) signal authentication techniques. The testbed advances the state of …