Ionospheric scintillation characteristics over Indian region from latitudinally-aligned geodetic GPS observations

SK Panda, M Moses, K Ansari, J Walo - Earth Science Informatics, 2023 - Springer
Ionospheric scintillations pose one of the biggest threats to Satellite-Earth communication
links in the communication and navigation systems services whose occurrence …

Statistical evaluation of the role of GNSS signal propagation orientation in low-latitude amplitude scintillation severity

A Moraes, J Sousasantos, BJ Affonso… - IEEE Open Journal …, 2023 - ieeexplore.ieee.org
Equatorial plasma bubbles are depleted plasma structures aligned to the geomagnetic field
lines that are generated in the nighttime ionosphere bottomside and rise to the topside …

Loss of lock on GNSS signals and its association with ionospheric irregularities observed over Indian low latitudes

VKD Srinivasu, N Dashora, D Prasad, K Niranjan - GPS Solutions, 2022 - Springer
Loss of lock (LoL) may occur due to receiver dynamics, multipath, and interference apart
from the ionospheric irregularities for a given receiver configuration. This study makes a …

Performance analyses of a RAIM algorithm for Kalman filter with GPS and NavIC constellations

S Bhattacharyya - Sensors, 2021 - mdpi.com
This paper evaluates the performance of an integrity monitoring algorithm of global
navigation satellite systems (GNSS) for the Kalman filter (KF), termed KF receiver …

Statistical analysis of positional variations of NavIc receiver

R Gusain, A Vidyarthi, R Prakash… - … on advances in …, 2022 - ieeexplore.ieee.org
With the Precise Point Positioning (PPP) technique, we can accurately determine the
location of any user or navigational satellite system receiver within a range of a few …

Multifrequency observations of postmidnight ionospheric irregularities from an anomaly crest location

S Goswami, S Ghosh, A Paul - Radio Science, 2022 - ieeexplore.ieee.org
The paper reports occurrences of postmidnight to early morning ionospheric depletions in
total electron content (TEC) observed using the Low Earth Orbiting satellite beacon from …

Analysis of NavIC Signal for Loss of Lock Events at L5/S-Band Frequencies

R Gusain, A Vidyarthi, R Prakash… - 2022 IEEE India …, 2022 - ieeexplore.ieee.org
Precise Point Positioning (PPP) is a system of acquiring the precise position of a user or
GNSS (Global Navigation Satellite System) receiver without any errors. PPP is required in …

Assessing NavIC Accuracy at Dehradun in the Winter Season: A Case Study

R Gusain, A Vidyarthi, R Prakash… - … Conference on Signal …, 2023 - ieeexplore.ieee.org
The aim of this research paper is to evaluate the performance of the Indian Regional
Navigation Satellite System (NavIC) in the low latitude northern region of India during …

Effects of the relative dynamics of ionospheric irregularities and GPS satellites on receiver tracking loop performance

T Biswas, A Paul - Radio Science, 2023 - ieeexplore.ieee.org
Transionospheric satellite signals are exposed to perturbation, caused by irregularities
generated in the ionosphere. However, the characteristics of the satellite motion can have …

Estimation and Importance of IPP Distribution for NavIC System

R Gusain, A Vidyarthi, R Prakash… - 2024 15th International …, 2024 - ieeexplore.ieee.org
The ionosphere is a highly variable region existing in upper atmosphere of earth, showing
notable physical and structural dissimilarities in electron concentration and ion composition …