ADOP in closed form for a hierarchy of multi-frequency single-baseline GNSS models

D Odijk, PJG Teunissen - Journal of Geodesy, 2008‏ - Springer
Successful carrier phase ambiguity resolution is the key to high-precision positioning with
Global Navigation Satellite Systems (GNSS). The ambiguity dilution of precision (ADOP) is a …

Carrier phase integer ambiguity resolution

PJG Teunissen - Springer handbook of global navigation satellite …, 2017‏ - Springer
Zusammenfassung Global Navigation Satellite System (GNSS) carrier-phase integer
ambiguity resolution is the process of resolving the carrier-phase ambiguities as integers. It …

Geolocation with Large LEO Constellations: Insights from Fisher Information

DR Emenonye, HS Dhillon, RM Buehrer - arxiv preprint arxiv:2502.06083, 2025‏ - arxiv.org
Interest in the use of the low earth orbit (LEO) in space-from $160\text {km} $ to $2000\text
{km} $-has skyrocketed; this is evident by the fact that National Aeronautics and Space …

Improving gps position accuracy by identification of reflected gps signals using range data for modeling of urban structures

A KUMAR, Y SATO, T OISHI, S ONO, K IKEUCHI - Seisan Kenkyu, 2014‏ - jstage.jst.go.jp
抄録 GPS を用いた世界座標系における都市構造の 3 次元モデリングでは, 取り囲む建物の影響
による信号のマルチパスや反射によって, しばしば位置精度が低下する. マルチパス信号は …

GPS standard positioning using Kalman filter

S Yamaguchi, T Tanaka - 2006 SICE-ICASE International Joint …, 2006‏ - ieeexplore.ieee.org
At present GPS is applied to various situations because of its confidence and usefulness.
Position calculated by GPS makes some errors caused from many different factors which …

A simulation system for GNSS multipath mitigation using spatial statistical methods

YW Lee, YC Suh, R Shibasaki - Computers & Geosciences, 2008‏ - Elsevier
Multipath is one of the main causes of degraded position accuracy in the Global Navigation
Satellite System (GNSS) because portions of the signals can be reflected by high buildings …

Instantaneous GPS/Galileo/QZSS/SBAS Attitude Determination: A Single‐Frequency (L1/E1) Robustness Analysis under Constrained Environments

N Nadarajah, PJG Teunissen - NAVIGATION: Journal of the …, 2014‏ - Wiley Online Library
The augmentation of new global navigation satellite systems (GNSS) to existing GPS
enhances the availability of satellite based positioning, navigation, and timing (PNT) …

Performance analysis of the Korean positioning system using observation simulation

BK Choi, KM Roh, H Ge, M Ge, JM Joo, MB Heo - Remote Sensing, 2020‏ - mdpi.com
The Korean government has a plan to build a new regional satellite navigation system
called the Korean Positioning System (KPS). The initial KPS constellation is designed to …

[کتاب][B] Transportation and information: trends in technology and policy

P Thakuriah, DG Geers - 2013‏ - Springer
In this book, we review recent developments at the intersection (no pun intended) of
Information and Communications Technology (ICT) and surface transportation, and the …

Geo-tagged 3d geometric modeling of urban structures by mitigating reflected gps signals using a laser range sensor

A Kumar - Science and Information Conference, 2024‏ - Springer
In this paper, estimation of GPS position in urban scenario is improved using statistical
approach and by mitigating reflected GPS signals using geometry of environment around …