GPS Solutions

Article	Citations
M_IFCB: a MATLAB-based software for multi‑GNSS inter‑frequency clock bias estimation and forecast	96
Rigorous and fast constraints transformations at the solution level: case studies for regional and global GNSS networks	91
Vehicle mounted single-antenna GNSS spoofing detection method based on motion trajectory	91
Attitude estimation in challenging environments by integrating low-cost dual-antenna GNSS and MEMS MARG sensor	77
M_FCB: an open‑source software for multi‑GNSS fractional cycle bias estimation	60
Performance assessment of GNSS-IR altimetry using signal-to-noise ratio data from a Huawei P30 smartphone	54
STL-GT: graph-structured learning based transformer for GNSS positioning enhancement in urban environments	53
Robust train length calculation and monitoring method using GNSS multi-constellation moving-baseline positioning resolution	47
A weighted mean temperature (Tm) augmentation method based on global latitude zone	47
Modeling of regional GNSS network using adaptive boosting algorithm: a case study in the Xinjiang Uyghur Autonomous Region	41
High-precision velocity determination using mass-market Android GNSS measurements in the case of anomalous clock variations	40
Toward BDS/Galileo/GPS/QZSS triple-frequency PPP instantaneous integer ambiguity resolutions without atmosphere corrections	36
Tropospheric parameters from multi-GNSS and numerical weather models: case study of severe precipitation and flooding in Germany in July 2021	35
Filter and piecewise smoother on the matrix Lie group	35
Multipath error extraction and mitigation based on refined wavelet level and threshold selection	34
Interannual variability of vertical land motion over High Mountain Central Asia from GPS and GRACE/GRACE-FO observations	34
Non-holonomic constraint (NHC)-assisted GNSS/SINS positioning using a vehicle motion state classification (VMSC)-based convolution neural network	34
Optimization of undifferenced and uncombined PPP stochastic model based on covariance component estimation	33
Enhancing smartphone-based vehicle navigation in deep urban areas using machine learning-aided PPP-RTK	32
GNSS performance degradation under meaconing in civil aviation: pseudorange and position models	31
Observations and positioning quality of low-cost GNSS receivers: a review	29
Optimization design of two-layer Walker constellation for LEO navigation augmentation using a dynamic multi-objective differential evolutionary algorithm based on elite guidance	29
Adaptive displacement extraction from GNSS kinematic positioning using interactive multi-model Kalman filter	29
Design of a miniaturized geodetic-grade GNSS reference antenna covering Bs band	29
POSGO: an open-source software for GNSS pseudorange positioning based on graph optimization	28

Pseudorange characteristics of soil-transmitted GNSS signals and their application in soil moisture content retrieval	28
Multipath mitigation in GNSS precise point positioning using multipath hierarchy for changing environments	28
Rapid detection of GNSS time synchronization attacks via the enhanced code and carrier Doppler consistency test	28
GNSS-RTK model: common-frequency versus mixed-frequency	28
Correction: Observations and positioning quality of low-cost GNSS receivers: a review	27
High-spin-rate roll angle measurement method based on GPS using single patch antenna	27
Comparative study of ionospheric sporadic E occurrence rates using SNRnstd and S4 derived from GPS radio occultation	26
Full-ISL clock offset estimation and prediction algorithm for BDS3	26
Impact of LEO configuration on GPS precise orbit determination with un-differenced ambiguity resolution	26
Precise orbit determination for LEO constellation based on onboard GNSS observations, inter-satellite links and ground tracking data	26
Estimation of ionospheric total electron content using GNSS observations derived from a smartphone	26
Modified NTCM models driven by the mean of global ionospheric total electron content (TEC): MNTCM-SHC0 and MNTCM-GEC	26
Analysis of GPS satellite flex power in 2023 and its effects on differential code bias variations	25
Estimating urban building height based on smartphone GNSS LOS/NLOS signal classification	24
Analysis of periodic terms in the DYB frame for the solar radiation pressure model of BDS-3 MEO satellites	24
Estimation of the L5 antenna phase center corrections for GPS satellites	23
Detection of ionospheric disturbances with a sparse GNSS network in simulated near-real time Mw 7.8 and Mw 7.5 Kahramanmaraş earthquake sequence	23
Spatial interpolation of surface point velocity using an adaptive neuro-fuzzy inference system model: a comparative study	23
A PPP kinematic application on historical GPS data: the reprocessing of the ITASE98-99 Antarctica mission height profiles	23
Local mitigation of higher-order ionospheric effects in DFMC SBAS and system performance evaluation	21
Risk overbounding for ionospheric gradient monitor using geometry-free double differenced carrier phase measurements	21
Precipitable water vapor fusion of MODIS and ERA5 based on convolutional neural network	21
BDS time spoofing detection method based on the dynamic time warping	21
Quantum-secured time transfer between precise timing facilities: a field trial with simulated satellite links	21
Evaluation of GPS and BDS-3 broadcast earth rotation parameters: a contribution to the ephemeris rotation error	21
Effect of GNSS radio occultation observations on the prediction of the 2021 Henan rainstorm	20
A modified adaptive factor-based Kalman filter for continuous urban navigation with low-cost sensors	20
Ionospheric disturbances of the January 15, 2022, Tonga volcanic eruption observed using the GNSS network in New Zealand	20
Investigation into the nonlinear Kalman filter to correct the INS/GNSS integrated navigation system	20
A strategy to determine GRACE-FO kinematic orbit during the activation of flex power	20
Effect of the 2011 Tohoku-Oki earthquake on continuous GNSS station motions	20
GNSS direct position estimation-inspired positioning with pseudorange correlogram for urban navigation	20
GPS data analysis and geodetic velocity field investigation in Greece, 2001–2016	20
Improving estimates of ocean tide loading displacements with multi-GNSS: a case study of Hong Kong	20
Performance evaluation of BDS-3 PPP-B2b precise point positioning service	19
An accurate train positioning method using tightly-coupled GPS + BDS PPP/IMU strategy	19
Performance evaluation of Galileo high accuracy service for PPP ambiguity resolution	19
Galileo high accuracy service: initial definition and performance	19
Stochastic modeling of the receiver clock parameter in Galileo-only and multi-GNSS PPP solutions	19
State-space-varied moving horizon estimation for real-time PPP in the challenging low-cost antenna and chipset	18
Detection of GNSS antenna oscillatory motion and multipath conditions via exploitation of multipath-induced SNR variations	18
Assessment of the orbital variations of GNSS GEO and IGSO satellites for monitoring ionospheric TEC	18
Characteristic analysis and calibration of CDMA and FDMA intra-system and inter-system biases in multi-GNSS precise point positioning	18
Connecting integer ambiguities to avoid reinitialization and keep VRS seamless switching for virtual grid-based NRTK	18
Advanced space rubidium atomic frequency standard for satellite navigation	18
Updated GNSS velocity solution in the Nordic and Baltic countries with a semi-automatic offset detection method	18
Earth rotation parameters determination by integrating ground and LEO-spaceborne BDS-3 data	18
A comparison of two PPP-RTK models: S-basis choice, network product precision, and user positioning performance	18
Correction: Intercomparison of multi-GNSS signals characteristics acquired by a low-cost receiver connected to various low-cost antennas	18
An effective automatic processing engine for improving the multi-GNSS constellation precise orbit prediction	17

Stochastic modeling with robust Kalman filter for real-time kinematic GPS single-frequency positioning	17
The 2024 GPS accuracy improvement initiative	17
GPS phase center variation modeling using ambiguity-fixed carrier phase observations from low Earth orbit satellites	17
Intercomparison of multi-GNSS signals characteristics acquired by a low-cost receiver connected to various low-cost antennas	17
Evaluation of GNSS ionosphere prediction models Klobuchar-GPS, NTCM-G, and BDGIM: methodology and results for 2021–2024	16
Cloud-based near real-time sea level monitoring using GNSS reflectometry	16
Ocean swell height estimation from spaceborne GNSS-R data using hybrid deep learning model	16
Clock bias prediction of navigation satellite based on BWO-CNN-BiGRU-attention model	16
Correction: Performance assessment of FORMOSAT-7/COSMIC-2 satellite orbit using GNSS	16
Dynamic displacement monitoring by integrating high-rate GNSS and accelerometer: on the possibility of downsampling GNSS data at reference stations	16
Effects of equatorial plasma bubble-induced ionospheric gradients on GNSS PPP-RTK	16
A flexible ionospheric function model constructed with the aid of NeQuick model	16
An investigation of a voxel-based atmospheric pressure and temperature model	16
Initial performance assessment of the single-frequency (SF) service with the BeiDou satellite-based augmentation system (BDSBAS)	16
Precise orbit determination for the Haiyang-2D satellite using new onboard BDS-3 B1C/B2a signal measurements	16
Pseudorange bias from inter-signal interference: the QZSS L5-L5S case	15
Analyzing the stochastic properties of code observation using various low-cost GNSS receivers	15
Enhancing smartphone precise point positioning to sub-meter accuracy in suburban environments: a new stochastic model and outlier diagnosis	15
Exploring the role of PPP–RTK network configuration: a balance of server budget and user performance	15
Performance assessment of the BDS-3 PPP-B2b service for real-time earthquake source description: a case study for the 2021 Mw 7.4 Maduo earthquake	15
A method for compensating prediction errors to improve the orbit prediction accuracy of Starlink satellites	15
Cross-type representation learning in GNSS: a new approach for enhanced SPP positioning through pseudorange residuals	15
Offsets in the EPN station position time series resulting from antenna/radome changes: PCC type-dependent model analyses	15
Doppler frequency code division multiple access method for LEO mega-constellation navigation systems	15
Adaptive Kalman filter based on integer ambiguity validation in moving base RTK	15
A systematic approach for identifying optimal azimuth and elevation angle masks in GNSS-IR: validation through a sea level experiment	15
Mitigation of multipath effects in multi-GNSS and multi-frequency precise point positioning with multipath hemispherical maps	15
A robust method for 3-D surface displacement fields combining GNSS and single-orbit InSAR measurements with directional constraint from elasticity model	15
Continuous time and frequency transfer achieved by multi-day GPS/Galileo/BDS integer precise point positioning	15
Inter-system biases solution strategies in multi-GNSS kinematic precise point positioning	15
Performance assessment of a low-complexity autoregressive Kalman filter for GNSS carrier tracking using real scintillation time series	15
HASPPP: an open-source Galileo HAS embeddable RTKLIB decoding package	15
PPP-B2b-RTK: a PPP-B2b augmentation method by using the SSR corrections from a single reference station	14
Modeling wide-area tropospheric delay corrections for fast PPP ambiguity resolution	14
ARAIM based on fault detector reuse for reducing computational load	14
GNSS meteorological ensemble tools (GMET): a free-access online service for GNSS meteorological applications	14
A real-time accuracy prediction model on time-relative positioning method considering the correlation of position increment errors	14
BDS PPP-AR positioning performance with ionospheric disturbances at low-latitudes	14
Establishment and assessment of a zenith wet delay (ZWD) augmentation model	14
Beidou UPD estimation and assessment based on LEO-assisted regional stations observations	14
A robust signal tracking algorithm for GPS and NavIC constellations	14
An improved BDS-3 PPP-B2b positioning approach by estimating signal in space range errors	14
Enhancing FAIRness of GNSS RINEX data: A metadata-driven approach	14
Performance of the local ionospheric model in resolving GPS baseline ambiguity over the Malaysian region	14
INSTINCT: a flow-based open-source PNT framework for satellite navigation and sensor fusion	14
Study of Chinese regional ionospheric TEC response to magnetic storms during April 23–25, 2023	14
Classifying continuous GNSS stations using integrated machine learning	14
Modeling tropospheric zenith wet delays in the Chinese mainland based on machine learning	13
Global zenith wet delay modeling with surface meteorological data and machine learning	13
GNSS-RTK time series denoising based on deep learning and mode decomposition techniques for offshore platform	13
GREAT-PVT: an open‑source software for multi-frequency and multi-GNSS PPP-AR and RTK	13
Optical crosslinks and satellite synchronization for GNSS, communications, and beyond	13
Detecting outliers in local ionospheric model for GNSS precise positioning	13
Fast satellite selection algorithm for GNSS multi-system based on Sherman–Morrison formula	13
Prediction of BDS-3 satellite clock bias based on EWT-LSTM ensemble model	13
Performance assessment of FORMOSAT-7/COSMIC-2 satellite orbit using GNSS	13
Correction: A meta-classification-based approach for outlier identification in GNSS networks	13
Performance evaluation of BDS-2/BDS-3 combined precise time transfer with B1I/B2I/B3I/B1C/B2a five-frequency observations	13
Refinement of the solar radiation pressure model for the BDS-3 satellites with considering illuminated antennas	13
Decimeter-level vehicular positioning in urban environments with factor graph-based PPP and robust regression	13
5G Impacts analysis on the Beidou RDSS system in 2.5 GHz band	13
Spaceborne GNSS-R soil moisture retrieval from GPS/BDS-3/Galileo satellites	12
Assessment of regularization techniques in GNSS tropospheric tomography based on single- and dual-frequency observations	12
Outliers and uncertainties in GNSS ZTD estimates from double-difference processing and precise point positioning	12
A weighted mean temperature model using principal component analysis for Greenland	12
Velocity estimation method for high-spinning vehicle based on a side-mounted single patch antenna	12
Graph-enabled spatio-temporal transformer for ionospheric prediction	12
Undifferenced processing of COSMIC-2 radio occultation measurements with 1-Hz LEO clock corrections	12
Modeling seasonal oscillations in GNSS time series with Complementary Ensemble Empirical Mode Decomposition	12
LSTM-based receiver clock modeling and prediction for GNSS urban positioning	12
Analyzing the impact of geometric constraints on GNSS positioning accuracy using realistic stochastic model	12
A global zenith tropospheric delay model with ERA5 and GNSS-based ZTD difference correction	12
Precise orbit determination for BDS-3 GEO satellites enhanced by intersatellite links	12
TEC map completion using a deep learning approach with prior knowledge	12
C/N0 degradation in presence of chirp interference: theoretical model	12
Assessment of sub-daily ocean tide loading errors and mitigation of their propagation in multi-GNSS position time series	12
Exploring characteristics of BDS-3 PPP-B2b augmentation messages by a three-step analysis procedure	11
Open-source software for multi-GNSS inter-frequency clock bias estimation	11
Evaluation of real-time variometric approach and real-time precise point positioning in monitoring dynamic displacement based on high-rate (20 Hz) GPS Observations	11
A method to assess the quality of GNSS satellite phase bias products	11

Fast determination of geometric matrix in ionosphere tomographic inversion with unevenly spaced curvilinear voxels	11
A new method for fault identification in real-time integrity monitoring of autonomous vehicles positioning using PPP-RTK	11
A new global TEC empirical model based on fusing multi-source data	11
Effect of the polar cap ionospheric sporadic-E layer on GNSS-based positioning: a case study at Resolute Bay, Canada, September 5, 2012	11
Performance verification of GNSS/5G tightly coupled fusion positioning in urban occluded environments with a smartphone	11
Assessing all-frequency GPS/Galileo/BDS PPP-RTK in GNSS challenging environments	11
Study of ionospheric responses over China during September 7–8, 2017 using GPS, Beidou (GEO), and Swarm satellite observations	10
Integrated satellite clock and code/phase bias combination in the third IGS reprocessing campaign	10
Modeling range biases from SLR residuals to GNSS-based orbits of active Low Earth Orbiters – insights from a study based on a dozen of satellites and 21 years of data	10
Characteristics of Beidou-2 flex power and its impact on precise point positioning with ambiguity resolution	10
An INS-assisted vector tracking receiver with multipath error estimation for dense urban canyons	10
GNSS position-aided delay-locked loops for accurate urban navigation	10
Interactive multiple-model vertical vibration detection of structures based on high-frequency GNSS observations	10
Phase compression-holding modulation for C-band navigation	10
Enhancing PPP-RTK performance at low latitudes through mitigation of ionospheric scintillation effects	10
An open-source software package for Precise Point Positioning: raPPPid	10
Construction of a meteorological application system based on BDS ground-based augmentation network and water vapor products validation	10
Sea target detection using the GNSS reflection signals	10
Anomalous ambiguity detection between reference stations based on Box-Cox transformation of tropospheric residual estimation	10
GPS signal acquisition based on deep convolutional neural network and post-correlation methods	10
Estimation of BDS-2/3 phase observable-specific signal bias aided by double-differenced model: an exploration of fast BDS-2/3 real-time PPP	10
DOA tracking using an improved direction lock loop based on a three-element L-shaped array	10
PPP-ARISEN: an open-source precise point positioning software with ambiguity resolution for interdisciplinary research of seismology, geodesy and geodynamics	10
Simultaneous estimation of inter-frequency clock biases and clock offsets with triple-frequency GPS data: undifferenced and uncombined methodology and impact analysis	10
An adaptive hybrid blanking algorithm to mitigate the DME pulse interference on BDS B2a receivers	10
An ambiguity subset selection algorithm based on the variation of check factors for BDS-3/BDS-2/GPS precise point positioning	9
Can the phase of SNR oscillations in GNSS-IR be used to estimate sea-level height?	9
Precise orbit determination of LEO satellites: a systematic review	9
Maneuver detection and estimation for LEO real-time precise orbit determination with GNSS observations	9
Timekeeping algorithm based on the cooperative covariance matrix of clock differences	9
Precise disciplining of a chip-scale atomic clock using PPP with broadcast ephemerides	9
GHASP: a Galileo HAS parser	9
Improving performances of GNSS positioning correction using multiview deep reinforcement learning with sparse representation	9
Enhancing multi-GNSS positioning performances in harsh environments via a refined joint troposphere-multipath hemispherical map	9
Can we measure sea surface wind speed with a smartphone?	9
Influence of flooding on GPS carrier-to-noise ratio and water content variation analysis: a case study in Zhengzhou, China	9
BDS-3 PPP-B2b and Galileo HAS tightly integrated real-time PPP	9
Implementation of solution separation-based Kalman filter integrity monitoring against all-source faults for multi-sensor integrated navigation	9
Quality monitoring of real-time PPP service using isolation forest-based residual anomaly detection	9
A DIA method based on maximum a posteriori estimate for multiple outliers	9
A design of base-station-aided LEO/GPS joint positioning framework	9
GNSS spoofing detection using a fuzzy classifier based on time–frequency analysis of the autocorrelation function	9
Improving precise point positioning (PPP) performance with best integer equivariant (BIE) estimator	9
Innovation-based Kalman filter fault detection and exclusion method against all-source faults for tightly coupled GNSS/INS/Vision integration	9
Multi-constellation single-frequency ionospheric-free precise point positioning with low-cost receivers	9
A two-step non-nominal troposphere monitor for GBAS	9
Accurate analytical non-gravitational force model for precise orbit determination of QZS-1, 2, and 4	9
Vector angle grouping-based solution separation for multipath/NLOS detection and exclusion with the enhancement of doppler test	9
Fast GNSS spoofing detection based on LSTM-detect model	9
NLOS signal detection and correction for smartphone using convolutional neural network and variational mode decomposition in urban environment	9
Facilitated interferometric reflectometry evaluation and its application in monitoring three typhoon storm surges in Hong Kong with multi-GNSS constellation	9
Enhancing the BDGIM model for ionospheric delay correction using GNSS LEO occultation data during high solar activity	9
Estimating sea surface swell height using a hybrid model combining CNN, ConvLSTM, and FCN based on spaceborne GNSS-R data from the CYGNSS mission	9
GNSS water vapor tomography based on Kalman filter with optimized noise covariance	9
Real-time multipath mitigation based on spatiotemporal correlations in BDS precise point positioning	9
Satellite laser ranging to GNSS-based Swarm orbits with handling of systematic errors	9
Snow depth retrieval using GPS signal-to-noise ratio data based on improved complete ensemble empirical mode decomposition	9
Multipath hemispherical map model with geographic cut-off elevation constraints for real-time GNSS monitoring in complex environments	9
Analysis of preliminary results from distributed autonomous timekeeping on Beidou-3 satellites	9