Results 71 to 80 of about 1,004 (162)

Enhancing Atmospheric Monitoring Capabilities: A Comparison of Low- and High-Cost GNSS Networks for Tropospheric Estimations

Remote Sensing
Global Navigation Satellite System (GNSS) signals experience delays when passing through the atmosphere due to the presence of free electrons in the ionosphere and air density in the non-ionized part of the atmosphere, known as the troposphere.
Paolo Dabove, Milad Bagheri
doaj   +1 more source

Kinematic Precise Point Positioning Using Multi-Constellation Global Navigation Satellite System (GNSS) Observations

ISPRS International Journal of Geo-Information, 2017
Multi-constellation global navigation satellite systems (GNSSs) are expected to enhance the capability of precise point positioning (PPP) by improving the positioning accuracy and reducing the convergence time because more satellites will be available ...
Xidong Yu, Jingxiang Gao
doaj   +1 more source

Assessment of Affordable Real-Time PPP Solutions for Transportation Applications

Algorithms
With the availability of multi-frequency, multi-constellation global navigation satellite system (GNSS) modules, precise transportation applications have become attainable.
Mohamed Abdelazeem, Amgad Abazeed, Abdulmajeed Alsultan, Amr M. Wahaballa   +3 more
doaj   +1 more source

Poster Sessions

HemaSphere, Volume 10, Issue S1, June 2026.
wiley   +1 more source

An investigation into the impact of optical clock stability on PPP-RTK

GPS Solutions
Abstract This study presents a simulation-based analysis to evaluate the impact of satellite clock stability, particularly that of emerging optical clocks, on global navigation satellite systems (GNSS) positioning performance. A controlled single-station precise point positioning-real time kinematic (PPP-RTK) framework is employed ...
Enkhtuvshin Boldbaatar, Haobo Li, Safoora Zaminpardaz, Lucas Holden, Donald Grant, Arnan Mitchell, Suelynn Choy   +6 more
openaire   +1 more source

Low-latitude ionospheric responses and positioning performance of ground GNSS associated with the geomagnetic storm on March 13–14, 2022

Frontiers in Astronomy and Space Sciences
Interplanetary coronal mass ejections (ICMEs) and the driven geomagnetic storms have a profound influence on the ionosphere, potentially leading to a degradation in positioning performance.
Wenrui Li, Wenrui Li, Tong Liu, Pingbing Zuo, Pingbing Zuo, Zhengyang Zou, Mengsi Ruan, Mengsi Ruan, Jiayun Wei, Jiayun Wei   +9 more
doaj   +1 more source

ISEV2026 Abstract Book

Journal of Extracellular Vesicles, Volume 15, Issue S1, June 2026.
wiley   +1 more source

AVALIAÇÃO DO POSICIONAMENTO GNSS OBTIDO PELOS MÉTODOS CINEMÁTICO RTK/NTRIP E PPP EM TEMPO REAL

Revista Brasileira de Cartografia, 2014
Neste trabalho foram analisados os métodos de posicionamento PPP cinemático em tempo real via software BNC V. 2.6 do BKG (Bundesamt für Kartographie und Geodäsie), posicionamento RTK (Real Time Kinematic) usando o protocolo NTRIP da RBMC-IP e o ...
Alexandre do Nascimento Souza, Sílvio Jacks dos Anjos Garnés, Haroldo Antonio Marques   +2 more
doaj  

Real-Time PPP-RTK Performance Analysis Using Ionospheric Corrections from Multi-Scale Network Configurations. [PDF]

Sensors (Basel), 2020
Psychas D, Verhagen S.
europepmc   +1 more source

Reference-satellite dependence in wide-area PPP-RTK ionospheric modeling: a controlled comparison of undifferenced and between-satellite single-differenced STEC

Frontiers in Astronomy and Space Sciences
IntroductionWide-area slant total electron content (STEC) models provide regional ionospheric constraints for accelerating precise point positioning real-time kinematic (PPP-RTK). Between-satellite single differencing is widely used to eliminate receiver
Jie Zhang, Jie Zhang, Jun Tao, Qile Zhao, Qile Zhao, Gaojian Zhang, Gaojian Zhang, Xiaoting Lei, Xiaoting Lei, Yihao Jiang, Yihao Jiang   +10 more
doaj   +1 more source