Advances in intelligent and autonomous navigation systems for small UAS

S Bijjahalli, R Sabatini, A Gardi - Progress in Aerospace Sciences, 2020 - Elsevier
A significant growth in Unmanned Aircraft System (UAS) operations has been observed over
the past decade, largely driven by the emergence of new commercial opportunities and use …

A gradient boosting decision tree based GPS signal reception classification algorithm

R Sun, G Wang, W Zhang, LT Hsu, WY Ochieng - Applied Soft Computing, 2020 - Elsevier
In urban areas, GPS signals are often reflected or blocked by buildings, which causes
multipath effects and non-line-of-sight (NLOS) reception respectively consequently …

A review of environmental context detection for navigation based on multiple sensors

F Feriol, D Vivet, Y Watanabe - Sensors, 2020 - mdpi.com
Current navigation systems use multi-sensor data to improve the localization accuracy, but
often without certitude on the quality of those measurements in certain situations. The …

GNSS multipath detection using a machine learning approach

LT Hsu - 2017 IEEE 20th international conference on intelligent …, 2017 - ieeexplore.ieee.org
Insufficient localization accuracy of global navigation satellite system (GNSS) receivers is
one of the challenges to implement advanced intelligent transportation system in highly …

Analysis and modeling GPS NLOS effect in highly urbanized area

LT Hsu - GPS solutions, 2018 - Springer
Current GPS positioning accuracy in urban areas is still unsatisfactory for various
applications, including pedestrian navigation and autonomous driving. Due to the …

Measurement quality control aided multisensor system for improved vehicle navigation in urban areas

Y Wang, R Sun, Q Cheng… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Integration of the global positioning system (GPS) with other sensors to improve positioning
and navigation is a viable solution for intelligent vehicles. In particular, integrating GPS with …

Resilient pseudorange error prediction and correction for GNSS positioning in urban areas

R Sun, L Fu, Q Cheng, KW Chiang… - IEEE Internet of Things …, 2023 - ieeexplore.ieee.org
Positioning, navigation, and timing (PNT) is essential for Internet of Things (IoT)
communications and location-based services. Although global navigation satellite system …

Pseudorange error prediction for adaptive tightly coupled GNSS/IMU navigation in urban areas

R Sun, Z Zhang, Q Cheng, WY Ochieng - GPS Solutions, 2022 - Springer
The integration of global navigation satellite systems (GNSS) and inertial measurement unit
(IMU) with the Kalman filter is widely used to enhance the availability of positioning in urban …

Improving GPS code phase positioning accuracy in urban environments using machine learning

R Sun, G Wang, Q Cheng, L Fu… - IEEE Internet of …, 2020 - ieeexplore.ieee.org
The accuracy of location information, mainly provided by the global positioning system
(GPS) sensor, is critical for Internet-of-Things applications in smart cities. However, built …

NLOS multipath classification of GNSS signal correlation output using machine learning

T Suzuki, Y Amano - Sensors, 2021 - mdpi.com
This paper proposes a method for detecting non-line-of-sight (NLOS) multipath, which
causes large positioning errors in a global navigation satellite system (GNSS). We use …