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 …

First demonstration of the Korean eLoran accuracy in a narrow waterway using improved ASF maps

W Kim, PW Son, SG Park, SH Park… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
The vulnerabilities of global navigation satellite systems (GNSSs) to radio frequency
jamming and spoofing have attracted significant research attention. In particular, the large …

Enhanced accuracy simulator for a future Korean nationwide eLoran system

JH Rhee, S Kim, PW Son, J Seo - IEEE Access, 2021 - ieeexplore.ieee.org
The Global Positioning System (GPS) has become the most widely used positioning,
navigation, and timing system. However, the vulnerability of GPS to radio frequency …

eLoran: Resilient positioning, navigation, and timing infrastructure in maritime areas

PW Son, SG Park, Y Han, K Seo - IEEE Access, 2020 - ieeexplore.ieee.org
Global navigation satellite system (GNSS) and localization technology have become highly
compact and effective. Although GNSS has been proven to be vulnerable to jamming when …

Demonstration of the feasibility of the Korean eLoran system as a resilient PNT in a testbed

PW Son, SG Park, Y Han, K Seo, TH Fang - Remote Sensing, 2023 - mdpi.com
With the increasing utilization of location information, attempts to improve the safety of
absolute positioning coordinates, which have depended on global navigation satellite …

3D radio map-based GPS spoofing detection and mitigation for cellular-connected UAVs

Y Dang, A Karakoc, S Norshahida… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
With the upcoming 5G and beyond wireless communication system, cellular-connected
Unmanned Aerial Vehicles (UAVs) are emerging as a new pattern to give assistance for …

Novel quasi-three-dimensional modeling of axial flux in-wheel motor with permanent magnet skew

KH Kim, DK Woo - IEEE Access, 2022 - ieeexplore.ieee.org
This paper presents a characteristic analysis of axial flux permanent magnet machines
(AFPMMs) for in-wheel electric vehicles. Preferentially, a novel quasi-3-D model is …

Lithology identification of coal-bearing strata based on data-driven dual-channel relevance networks in coal mine roadway drilling process

L Chen, M Ma, H Wang, X Liu, M Wu, K Hirota - Information Sciences, 2025 - Elsevier
The accurate prediction of coal seam thickness and the identification of the lithology of coal-
bearing strata represent a crucial aspect of the intelligent perception of the stratigraphic …

Evaluation of RF fingerprinting-aided RSS-based target localization for emergency response

H Lee, T Kang, S Jeong, J Seo - 2022 IEEE 95th Vehicular …, 2022 - ieeexplore.ieee.org
Target localization is essential for emergency dispatching situations. Maximum likelihood
estimation (MLE) methods are widely used to estimate the target position based on the …

An Optimized Fingerprinting‐Based Indoor Positioning with Kalman Filter and Universal Kriging for 5G Internet of Things

S Huang, K Zhao, Z Zheng, W Ji, T Li… - … and Mobile Computing, 2021 - Wiley Online Library
Fingerprinting technique for indoor positioning based on 5G system has attracted attention.
Kalman filter (KF) is used as preprocessing of raw data to reduce the disturbance of …