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 …

Nonlinear regression-based GNSS multipath modelling in deep urban area

Y Lee, B Park - Mathematics, 2022 - mdpi.com
As the necessity of location information closely related to everyday life has increased, the
use of global navigation satellite systems (GNSS) has gradually increased in populated …

Low-cost curb detection and localization system using multiple ultrasonic sensors

JH Rhee, J Seo - Sensors, 2019 - mdpi.com
Curb detection and localization systems constitute an important aspect of environmental
recognition systems of autonomous driving vehicles. This is because detecting curbs can …

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
** applications requiring short
measure time, the distance between rover and base station, and high accuracy. There are …

Accuracy improvement of DGPS for low-cost single-frequency receiver using modified Flächen Korrektur parameter correction

J Kim, J Song, H No, D Han, D Kim, B Park… - … International Journal of …, 2017 - mdpi.com
A differential global positioning system (DGPS) is one of the most widely used augmentation
systems for a low-cost L1 (1575.42 MHz) single-frequency GPS receiver. The positioning …

[PDF][PDF] Rapid integer ambiguity resolution in GPS precise point positioning

J Geng - 2011 - researchgate.net
GPS precise point positioning (PPP) has been used in many scientific and commercial
applications due to its high computational efficiency, no need for any synchronous …

Compact RTK for expanded area (COREA): a new method for carrier-phase-based satellite augmentation system

D Kim, BG Kim, C Kee - GPS Solutions, 2024 - Springer
This study proposes a new concept of carrier-phase-based satellite augmentation system
named “Compact Real-time Kinematic for Expanded Area (COREA),” which provides …

Dynamic performance evaluation of various GNSS receivers and positioning modes with only one flight test

C Lim, H Yoon, A Cho, CS Yoo, B Park - Electronics, 2019 - mdpi.com
The performance of global navigation satellite system (GNSS) receivers in dynamic modes
is mostly assessed using results obtained from independent maneuvering of vehicles along …

Performance improvement of time-differenced carrier phase measurement-based integrated GPS/INS considering noise correlation

J Kim, Y Kim, J Song, D Kim, M Park, C Kee - Sensors, 2019 - mdpi.com
In this study, we combined a time-differenced carrier phase (TDCP)-based global
positioning system (GPS) with an inertial navigation system (INS) to form an integrated …