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Regional ionospheric TEC modeling based on a two-layer spherical harmonic approximation for real-time single-frequency PPP
The ionosphere has been considered as one of the major error sources in GNSS signal
propagation, and it is still difficult to be modeled precisely, especially for real-time …
propagation, and it is still difficult to be modeled precisely, especially for real-time …
Modeling regional ionospheric delay with ground-based BeiDou and GPS observations in China
Abstract The Compass/BeiDou system is currently being built as a navigation constellation
consisting of 16 navigation satellites. Construction of these satellites will significantly …
consisting of 16 navigation satellites. Construction of these satellites will significantly …
The GIVE ionospheric delay correction approach to improve positional accuracy of NavIC/IRNSS single-frequency receiver
The Navigation with Indian Constellation (NavIC)/Indian Regional Navigation Satellite
System (IRNSS) is an independent navigation system developed for the Indian subcontinent …
System (IRNSS) is an independent navigation system developed for the Indian subcontinent …
Estimation of ionospheric delay of NavIC/IRNSS signals using the Taylor Series Expansion
The delay in Navigation with Indian Constellation (NavIC)/Indian Regional Navigation
Satellite System (IRNSS) signals due to the ionosphere are decisive because it leads to …
Satellite System (IRNSS) signals due to the ionosphere are decisive because it leads to …
Modeling of ionospheric time delay using anisotropic IDW with jackknife technique
VS Srinivas, AD Sarma… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
Transionospheric signals are affected due to the existence of anisotropic plasma in the
ionosphere. The precise estimation of ionospheric time delay will play a major role in …
ionosphere. The precise estimation of ionospheric time delay will play a major role in …
Improved phase center estimation for GNSS patch antenna
A Kumar, AD Sarma, E Ansari… - IEEE transactions on …, 2013 - ieeexplore.ieee.org
Precise positioning in Global Navigation Satellite System requires the exact location of
antenna phase center. Various published methods are quite complex and difficult to …
antenna phase center. Various published methods are quite complex and difficult to …
[HTML][HTML] National BDS augmentation service system (NBASS) of China: progress and assessment
In this contribution, the processing strategies of real-time BeiDou System (BDS) precise
orbits, clocks, and ionospheric corrections in the National BDS Augmentation Service …
orbits, clocks, and ionospheric corrections in the National BDS Augmentation Service …
Modeling of ionospheric time delays based on a multishell spherical harmonics function approach
Ionospheric delay is the primary source of error in the functional performance of global
navigation satellite system (GNSS) receiver position and time determination. An accurate …
navigation satellite system (GNSS) receiver position and time determination. An accurate …
Accuracy evaluation of estimated ionospheric delay of GPS signals based on Klobuchar and IRI-2007 models in low latitude region
The required positional accuracy of GPS is limited by several error sources. Among these,
the predominant error source is the ionosphere, which introduces error in range …
the predominant error source is the ionosphere, which introduces error in range …
Case study: performance observation of NavIC ionodelay and positioning accuracy
The NavIC is an Indian satellite based navigation system uses the L5 and S-band signals to
provide 10 m (metres) and 0.1 m positioning accuracy services for civilian and military users …
provide 10 m (metres) and 0.1 m positioning accuracy services for civilian and military users …