Robustness, security and privacy in location-based services for future IoT: A survey

L Chen, S Thombre, K Järvinen, ES Lohan… - Ieee …, 2017 - ieeexplore.ieee.org
Internet of Things (IoT) connects sensing devices to the Internet for the purpose of
exchanging information. Location information is one of the most crucial pieces of information …

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 …

Protecting GNSS receivers from jamming and interference

GX Gao, M Sgammini, M Lu, N Kubo - Proceedings of the IEEE, 2016 - ieeexplore.ieee.org
Critical government and industry sectors (such as law enforcement, transportation,
communication, and finance) are growing increasingly dependent on Global Navigation …

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 …

Performance analysis of vector tracking algorithms for weak GPS signals in high dynamics

M Lashley, DM Bevly, JY Hung - IEEE Journal of selected …, 2009 - ieeexplore.ieee.org
This paper explores the ability of vector tracking algorithms to track weak Global Positioning
System (GPS) signals in high dynamic environments. Traditional GPS receivers use tracking …

Multipath mitigation and NLOS detection using vector tracking in urban environments

LT Hsu, SS Jan, PD Groves, N Kubo - Gps Solutions, 2015 - Springer
Multipath interference and non-line-of-sight (NLOS) reception are major error sources when
using global navigation satellite systems in urban environments. A promising approach to …

Resilient GNSS real-time kinematic precise positioning with inequality and equality constraints

Z Zhang, Y Li, X He, L Hsu - GPS Solutions, 2023 - Springer
How to conduct the GNSS real-time kinematic precise positioning in challenging
environments is not an easy problem. The challenging environment mainly refers to frequent …

Open-source MATLAB code for GPS vector tracking on a software-defined receiver

B Xu, LT Hsu - GPS solutions, 2019 - Springer
The research regarding global positioning system (GPS) vector tracking (VT), based on a
software-defined receiver (SDR), has been increasing in recent years. The strengths of VT …

Direct position estimation of GNSS receivers: Analyzing main results, architectures, enhancements, and challenges

P Closas, A Gusi-Amigo - IEEE Signal Processing Magazine, 2017 - ieeexplore.ieee.org
This article discusses theoretical and practical aspects of direct position estimation (DPE) of
global navigation satellite system (GNSS) receivers. DPE is an alternative approach to the …

Performance comparison of different forms of Kalman filter approaches for a vector‐based GNSS signal tracking loop

JH WON, D Dötterböck, B Eissfeller - Navigation, 2010 - Wiley Online Library
In this paper we discuss several different Kalman filter methods to estimate signal
parameters in a GNSS receiver's signal tracking loop with a special emphasis given on how …