GNSS vulnerabilities and existing solutions: A review of the literature

J Zidan, EI Adegoke, E Kampert, SA Birrell… - IEEE …, 2020 - ieeexplore.ieee.org
This literature review paper focuses on existing vulnerabilities associated with global
navigation satellite systems (GNSSs). With respect to the civilian/non encrypted GNSSs, they …

Towards millimeter-level accuracy in GNSS-based space geodesy: A review of error budget for GNSS precise point positioning

X Li, JP Barriot, Y Lou, W Zhang, P Li, C Shi - Surveys in Geophysics, 2023 - Springer
The aim of the new generation of Global Geodetic Observing System is a millimeter-level
accuracy in positioning, with a crucial role to be played by Global Navigation Satellites …

GNSS multipath detection using three-frequency signal-to-noise measurements

PRR Strode, PD Groves - GPS solutions, 2016 - Springer
A new technique for detecting GNSS multipath interference by comparing signal-to-noise
(SNR) measurements on three frequencies is presented. Depending on the phase lag of the …

RETRACTED ARTICLE: Likelihood-based GNSS positioning using LOS/NLOS predictions from 3D map** and pseudoranges

PD Groves, M Adjrad - GPS Solutions, 2017 - Springer
The accuracy of conventional global navigation satellite systems (GNSS) positioning in
dense urban areas is severely degraded due to blockage and reflection of the signals by the …

Robust positioning in the presence of multipath and NLOS GNSS signals

GA McGraw, PD Groves… - Position, navigation, and …, 2020 - Wiley Online Library
This chapter describes the characteristics of reflected and diffracted signals and how they
produce non‐line‐of‐sight (NLOS) and multipath errors. It also describes how multipath …

Performance assessment of 3D‐map**–aided GNSS part 1: Algorithms, user equipment, and review

PD Groves, M Adjrad - Navigation, 2019 - Wiley Online Library
A full performance assessment of 3D‐map**–aided (3DMA) GNSS in dense urban areas
is presented. This first part of a two‐part paper focuses on the effects of algorithm design and …

Comparison of MEO, LEO, and terrestrial IoT configurations in terms of GDOP and achievable positioning accuracies

RM Ferre, ES Lohan - IEEE Journal of Radio Frequency …, 2021 - ieeexplore.ieee.org
Complementary solutions to the Medium Earth Orbit (MEO) Global Navigation Satellite
Systems (GNSS) are more and more in demand to be able to achieve seamless positioning …

Characterization of signal quality monitoring techniques for multipath detection in GNSS applications

A Pirsiavash, A Broumandan, G Lachapelle - Sensors, 2017 - mdpi.com
The performance of Signal Quality Monitoring (SQM) techniques under different multipath
scenarios is analyzed. First, SQM variation profiles are investigated as critical requirements …

GNSS code multipath mitigation by cascading measurement monitoring techniques

A Pirsiavash, A Broumandan, G Lachapelle, K O'keefe - Sensors, 2018 - mdpi.com
Various measurement monitoring techniques are investigated to mitigate the effect of global
navigation satellite systems (GNSS) code multipath through error correction, stochastic …

Accurate and direct GNSS/PDR integration using extended Kalman filter for pedestrian smartphone navigation

A Rehman, H Shahid, MA Afzal, HMA Bhatti - Gyroscopy and Navigation, 2020 - Springer
According to well-described literature concerning the work history of multipath mitigation in
the global navigation satellite systems (GNSS), multipath is still the most dominant factor in a …