GNSS smartphones positioning: Advances, challenges, opportunities, and future perspectives

F Zangenehnejad, Y Gao - Satellite navigation, 2021 - Springer
Starting from 2016, the raw Global Navigation Satellite System (GNSS) measurements can
be extracted from the Android Nougat (or later) operating systems. Since then, GNSS …

Quality assessment of GNSS observations from an Android N smartphone and positioning performance analysis using time-differenced filtering approach

X Zhang, X Tao, F Zhu, X Shi, F Wang - Gps Solutions, 2018 - Springer
The development of low-cost GNSS chips inspired the development of advanced
positioning, navigation and timing devices. In 'I/O of 2016', Google announced that GNSS …

Quality analysis of multi-GNSS raw observations and a velocity-aided positioning approach based on smartphones

W Liu, X Shi, F Zhu, X Tao, F Wang - Advances in Space Research, 2019 - Elsevier
Abstract The Global Navigation Satellite System (GNSS) chipset is now embedded in almost
all Android smartphones, and the market demand for location services and navigation based …

Nonlinear regression-based GNSS multipath dynamic map construction and its application in deep urban areas

Y Lee, P Wang, B Park - IEEE Transactions on Intelligent …, 2023 - ieeexplore.ieee.org
GNSS signals are easily blocked or degraded because of the dense presence of high-rise
buildings in urban areas, and positioning errors arising from reflected signals amount to as …

Position accuracy improvement by implementing the DGNSS-CP algorithm in smartphones

D Yoon, C Kee, J Seo, B Park - Sensors, 2016 - mdpi.com
The position accuracy of Global Navigation Satellite System (GNSS) modules is one of the
most significant factors in determining the feasibility of new location-based services for …

Smartphone RTK positioning with multi-frequency and multi-constellation raw observations: GPS L1/L5, Galileo E1/E5a, BDS B1I/B1C/B2a

X Tao, W Liu, Y Wang, L Li, F Zhu, X Zhang - Journal of Geodesy, 2023 - Springer
In the field of mass-market location-based services, smartphones have become the
mainstream terminals by their ubiquity, portability, and low cost. The release of GNSS raw …

Inherent limitations of Smartphone GNSS Positioning and effective methods to increase the accuracy utilizing dual-frequency measurements

J Yun, C Lim, B Park - Sensors, 2022 - mdpi.com
Xiaomi Mi8 with a Broadcom BCM47755 chip, an Android smartphone that supports multi-
constellation (GPS, GLONASS, Galileo, BeiDou, and QZSS) and dual-frequency (L1/E1 and …

Capture of UAVs through GPS spoofing

J Gaspar, R Ferreira, P Sebastião… - 2018 Global Wireless …, 2018 - ieeexplore.ieee.org
The increased use of Unmanned Aerial Vehicles (UAVs), better known as drones, by
civilians has grown exponentially and its autonomous flight control systems have improved …

Capture of UAVs through GPS spoofing using low-cost SDR platforms

J Gaspar, R Ferreira, P Sebastião, N Souto - Wireless Personal …, 2020 - Springer
The increased use of unmanned aerial vehicles (UAVs), better known as drones, by civilians
has grown exponentially and their autonomous flight control systems have improved …

Carrier phase residual modeling and fault monitoring using short-baseline double difference and machine learning

DK Lee, Y Lee, B Park - Mathematics, 2023 - mdpi.com
Global Navigation Satellite Systems (GNSS) are used to provide accurate position,
navigation, and time (PNT) information to users in various sectors of our society including …