GPS Solutions

Article	Citations
GNSS code and carrier phase observations of a Huawei P30 smartphone: quality assessment and centimeter-accurate positioning	78
Performance evaluation of BDS-3 PPP-B2b precise point positioning service	60
A new IMU-aided multiple GNSS fault detection and exclusion algorithm for integrated navigation in urban environments	60
Assessment of BDS-3 global positioning service: ephemeris, SPP, PPP, RTK, and new signal	59
Real-time GNSS precise point positioning for low-cost smart devices	58
Initial Assessment of the BDS-3 PPP-B2b RTS compared with the CNES RTS	51
New time-differenced carrier phase approach to GNSS/INS integration	50
Past, present and future of atomic clocks for GNSS	48
GPS + Galileo + BeiDou precise point positioning with triple-frequency ambiguity resolution	46
Evolution of orbit and clock quality for real-time multi-GNSS solutions	44
Disentangling ionospheric refraction and diffraction effects in GNSS raw phase through fast iterative filtering technique	42
Ionosphere-weighted undifferenced and uncombined PPP-RTK: theoretical models and experimental results	42
Galileo high accuracy service: initial definition and performance	38
System-specific systematic errors in earth rotation parameters derived from GPS, GLONASS, and Galileo	37
Multi-constellation GNSS PPP instantaneous ambiguity resolution with precise atmospheric corrections augmentation	37
GREAT-UPD: An open-source software for uncalibrated phase delay estimation based on multi-GNSS and multi-frequency observations	36
Pseudorange error prediction for adaptive tightly coupled GNSS/IMU navigation in urban areas	35
Optical clock technologies for global navigation satellite systems	34
A global grid model for the correction of the vertical zenith total delay based on a sliding window algorithm	34
Sub-10–16 accuracy GNSS frequency transfer with IPPP	33
Precise point positioning with GPS and Galileo broadcast ephemerides	32
Validation of GNSS-derived global ionosphere maps for different solar activity levels: case studies for years 2014 and 2018	31
BeiDou-3 broadcast clock estimation by integration of observations of regional tracking stations and inter-satellite links	31
JUST: MATLAB and python software for change detection and time series analysis	31
SIMuRG: System for Ionosphere Monitoring and Research from GNSS	30

High-rate Doppler-aided cycle slip detection and repair method for low-cost single-frequency receivers	30
Enhancing navigation performance through visual-inertial odometry in GNSS-degraded environment	29
Rotating GNSS Antennas: Simultaneous LOS and NLOS Multipath Mitigation	28
Multipath mitigation in GNSS precise point positioning based on trend-surface analysis and multipath hemispherical map	28
B-spline function-based approach for GPS tropospheric tomography	27
Analysis and combination of multi-GNSS snow depth retrievals in multipath reflectometry	27
Orbit determination of Sentinel-6A using the Galileo high accuracy service test signal	27
PPP with integer ambiguity resolution for GPS and Galileo using satellite products from different analysis centers	27
Impact of robot antenna calibration on dual-frequency smartphone-based high-accuracy positioning: a case study using the Huawei Mate20X	26
Geocenter coordinates derived from multi-GNSS: a look into the role of solar radiation pressure modeling	26
Ionospheric VTEC and satellite DCB estimated from single-frequency BDS observations with multi-layer mapping function	26
Benefits of BDS-3 B1C/B1I/B2a triple-frequency signals on precise positioning and ambiguity resolution	26
GIMLi: Global Ionospheric total electron content model based on machine learning	26
POD of small LEO satellites based on precise real-time MADOCA and SBAS-aided PPP corrections	26
Considering different recent advancements in GNSS on real-time zenith troposphere estimates	26
LEO-constellation-augmented multi-GNSS real-time PPP for rapid re-convergence in harsh environments	25
Feasibility of easy-to-implement methods to analyze systematic errors of multipath, differential code bias, and inter-system bias for low-cost receivers	24
Precise orbit determination of BDS-3 satellites using B1C and B2a dual-frequency measurements	23
A pulsed-Laser Rb atomic frequency standard for GNSS applications	23
Models, methods and assessment of four-frequency carrier ambiguity resolution for BeiDou-3 observations	22
On the temperature sensitivity of multi-GNSS intra- and inter-system biases and the impact on RTK positioning	22
Probabilistic approach to detect and correct GNSS NLOS signals using an augmented state vector in the extended Kalman filter	21
PPPLib: An open-source software for precise point positioning using GPS, BeiDou, Galileo, GLONASS, and QZSS with multi-frequency observations	21
Precise vehicle dynamic heading and pitch angle estimation using time-differenced measurements from a single GNSS antenna	21
An open-source low-cost sensor for SNR-based GNSS reflectometry: design and long-term validation towards sea-level altimetry	21
Code and phase multipath mitigation by using the observation-domain parameterization and its application in five-frequency GNSS ambiguity resolution	20
A new three-dimensional computerized ionospheric tomography model based on a neural network	20
MG-APP: an open-source software for multi-GNSS precise point positioning and application analysis	20
GLONASS FDMA data for RTK positioning: a five-system analysis	20
Performance assessment of GNSS-based real-time navigation for the Sentinel-6 spacecraft	20
High-precision orbit determination for a LEO nanosatellite using BDS-3	20
GINav: a MATLAB-based software for the data processing and analysis of a GNSS/INS integrated navigation system	19
Implementation and performance analysis of the PDR/GNSS integration on a smartphone	19
Fusing denoised stereo visual odometry, INS and GPS measurements for autonomous navigation in a tightly coupled approach	19
Impact and mitigation of neglecting PPP-RTK correctional uncertainty	19
Effects of storm-induced equatorial plasma bubbles on GPS-based kinematic positioning at equatorial and middle latitudes during the September 7–8, 2017, geomagnetic storm	19
Statistical characterization of the signal-in-space errors of the BDS: a comparison between BDS-2 and BDS-3	19
Site-specific real-time GPS multipath mitigation based on coordinate time series window matching	18
BeiDou Global Ionospheric delay correction Model (BDGIM): performance analysis during different levels of solar conditions	18
FH-BOC: generalized low-ambiguity anti-interference spread spectrum modulation based on frequency-hopping binary offset carrier	18
Characteristics of phase bias from CNES and its application in multi-frequency and multi-GNSS precise point positioning with ambiguity resolution	18
Characteristics of receiver-related biases between BDS-3 and BDS-2 for five frequencies including inter-system biases, differential code biases, and differential phase biases	18
SUPREME: an open-source single-frequency uncombined precise point positioning software	18
Assessment of Galileo High Accuracy Service (HAS) test signals and preliminary positioning performance	17
An investigation of PPP time transfer via BDS-3 PPP-B2b service	17
GLONASS–only FDMA+CDMA RTK: Performance and outlook	17
A linear Kalman filter-based integrity monitoring considering colored measurement noise	17
A unified model of GNSS phase/code bias calibration for PPP ambiguity resolution with GPS, BDS, Galileo and GLONASS multi-frequency observations	17
Impact of the third frequency GNSS pseudorange and carrier phase observations on rapid PPP convergences	17
Multi-GNSS real-time precise clock estimation considering the correction of inter-satellite code biases	17

Global forecasting of ionospheric vertical total electron contents via ConvLSTM with spectrum analysis	16
Initial results of distributed autonomous orbit determination for Beidou BDS-3 satellites based on inter-satellite link measurements	16
Global grid-based Tm model with vertical adjustment for GNSS precipitable water retrieval	16
Enhanced fault detection and exclusion based on Kalman filter with colored measurement noise and application to RTK	16
An efficient parallel computing strategy for the processing of large GNSS network datasets	15
How modernized and strengthened GPS signals enhance the system performance during solar radio bursts	15
On the potential contribution of BeiDou-3 to the realization of the terrestrial reference frame scale	15
A low-cost integrated MEMS-based INS/GPS vehicle navigation system with challenging conditions based on an optimized IT2FNN in occluded environments	15
Performance evaluation of the filters with adaptive factor and fading factor for GNSS/INS integrated systems	15
Baseline length constraint approaches for enhancing GNSS ambiguity resolution: comparative study	15
An enhanced foot-mounted PDR method with adaptive ZUPT and multi-sensors fusion for seamless pedestrian navigation	14
Editing arcs to improve the capacity of GNSS-IR for soil moisture retrieval in undulating terrains	14
An improved constrained simultaneous iterative reconstruction technique for ionospheric tomography	14
Estimation and analysis of multi-GNSS observable-specific code biases	14
LEO Doppler-aided GNSS position estimation	14
Multi-constellation single-frequency ionospheric-free precise point positioning with low-cost receivers	14
Comparison and evaluation of carrier phase PPP and single difference time transfer with multi-GNSS ambiguity resolution	14
Performance of BeiDou-3 signal-in-space ranging errors: accuracy and distribution	14
The long-term characteristics of GNSS signal distortion biases and their empirical corrections	13
Impact of Galileo-to-GPS-Time-Offset accuracy on multi-GNSS positioning and timing	13
Improving the (re-)convergence of multi-GNSS real-time precise point positioning through regional between-satellite single-differenced ionospheric augmentation	13
Full-ISL clock offset estimation and prediction algorithm for BDS3	13
Low-cost GPS/INS integration with accurate measurement modeling using an extended state observer	13
A satellite-based method for modeling ionospheric slant TEC from GNSS observations: algorithm and validation	13
Effects of a navigation spoofing signal on a receiver loop and a UAV spoofing approach	13
Detection of replay attacks to GNSS based on partial correlations and authentication data unpredictability	13
Determination of precise Galileo orbits using combined GNSS and SLR observations	13
A new simplified zenith tropospheric delay model for real-time GNSS applications	13
Estimation of antenna phase center offsets for BeiDou IGSO and MEO satellites	13
Characteristics of the BDS-3 multipath effect and mitigation methods using precise point positioning	13
A new integrated method of GNSS and MODIS measurements for tropospheric water vapor tomography	13
Indoor precise point positioning with pseudolites using estimated time biases iPPP and iPPP-RTK	13
Centimeter-accurate vehicle navigation in urban environments with a tightly integrated PPP-RTK/MEMS/vision system	13
Multi-frequency phase-only PPP-RTK model applied to BeiDou data	13
An improved global grid model for calibrating zenith tropospheric delay for GNSS applications	13
A comparative analysis of navigation signals in BDS-2 and BDS-3 using zero-baseline experiments	12
Scaling earthquake magnitude in real time with high-rate GNSS peak ground displacement from variometric approach	12
Joint time–frequency mask and convolutional neural network for real-time separation of multipath in GNSS deformation monitoring	12
Integer-estimable GLONASS FDMA model as applied to Kalman-filter-based short- to long-baseline RTK positioning	12
Identifying the sensitivity of GPS to non-tidal loadings at various time resolutions: examining vertical displacements from continental Eurasia	12
Time–frequency analysis of the Galileo satellite clocks: looking for the J2 relativistic effect and other periodic variations	12
A deep fading assessment of the modernized L2C and L5 signals for low-latitude regions	12
High-order ionospheric delay correction of GNSS data for precise reduced-dynamic determination of LEO satellite orbits: cases of GOCE, GRACE, and SWARM	12
Local ionospheric plasma bubble revealed by BDS Geostationary Earth Orbit satellite observations	12
An efficient method for undifferenced BDS-2/BDS-3 high-rate clock estimation	12
GNSS carrier phase time-variant observable-specific signal bias (OSB) handling: an absolute bias perspective in multi-frequency PPP	11
Spatio-temporal analysis of TEC during solar activity periods using support vector machine	11
Toward BDS/Galileo/GPS/QZSS triple-frequency PPP instantaneous integer ambiguity resolutions without atmosphere corrections	11
Comparisons of CODE and CNES/CLS GPS satellite bias products and applications in Sentinel-3 satellite precise orbit determination	11
Integer ambiguity resolution and precise positioning for tight integration of BDS-3, GPS, GALILEO, and QZSS overlapping frequencies signals	11
Revisiting Doppler positioning performance with LEO satellites	11
Precipitable water vapor fusion of MODIS and ERA5 based on convolutional neural network	11
A sequential ambiguity selection strategy for partial ambiguity resolution during RTK positioning in urban areas	11
Outliers and uncertainties in GNSS ZTD estimates from double-difference processing and precise point positioning	10
Modeling wide-area tropospheric delay corrections for fast PPP ambiguity resolution	10
Assessing partial ambiguity resolution and WZTD-constraint multi-frequency RTK in an urban environment using new BDS signals	10
A new fuzzy strong tracking cubature Kalman filter for INS/GNSS	10
A new post-correlation anti-jamming technique for GPS receivers	10
Improved method for the GPS high-precision real-time satellite clock error service	10
Clock bias prediction algorithm for navigation satellites based on a supervised learning long short-term memory neural network	10
Interference mitigation: impact on GNSS timing	10
Common-mode error and multipath mitigation for subdaily crustal deformation monitoring with high-rate GPS observations	10
Performance assessment of GNSS-IR altimetry using signal-to-noise ratio data from a Huawei P30 smartphone	10
A real-time cycle slip repair method using the multi-epoch geometry-based model	10
Multipath extraction and mitigation for static relative positioning based on adaptive layer wavelet packets, bootstrapped searches and CNR constraints	10
Monitoring and prediction of hurricane tracks using GPS tropospheric products	10
Enhanced solar radiation pressure model for GPS satellites considering various physical effects	10
NLOS signal detection and correction for smartphone using convolutional neural network and variational mode decomposition in urban environment	9
Using GNSS radio occultation data to derive critical frequencies of the ionospheric sporadic E layer in real time	9
Integrity monitoring for precise orbit determination of LEO satellites	9
Broadcast ephemerides for LEO augmentation satellites based on nonsingular elements	9
On the possibility of getting traceable time and frequency measurements via GNSS receivers	9
Theoretical analysis of the multi-GNSS contribution to partial ambiguity estimation and R-ratio test-based ambiguity validation	9
Understanding long-term variations in GPS differential code biases	9
Interactive multiple-model vertical vibration detection of structures based on high-frequency GNSS observations	9
Impact of anomalous ionospheric gradients on GBAS in the low-latitude region of China	9
Modeling seasonal oscillations in GNSS time series with Complementary Ensemble Empirical Mode Decomposition	9
Estimation and analysis of GPS inter-fequency clock biases from long-term triple-frequency observations	9
Estimation of tropospheric wet refractivity using tomography method and artificial neural networks in Iranian case study	9
Integrity monitoring scheme for undifferenced and uncombined multi-frequency multi-constellation PPP-RTK	9

A multi-layer perceptron neural network to mitigate the interference of time synchronization attacks in stationary GPS receivers	9
A new global TEC empirical model based on fusing multi-source data	9
Rapid and accurate initial alignment of the low-cost MEMS IMU chip dedicated for tilted RTK receiver	9
Sub-nanosecond one-way real-time time service system based on UTC	9
Establishment and assessment of a zenith wet delay (ZWD) augmentation model	8
Understanding the characteristic of GLONASS inter-frequency clock bias using both FDMA and CDMA signals	8
Impact of solar radiation pressure models on earth rotation parameters derived from BDS	8
Code multipath error extraction based on the wavelet and empirical mode decomposition for Android smart devices	8
LSTM-based short-term ionospheric TEC forecast model and positioning accuracy analysis	8
A subspace-based code tracking loop design for GPS multi-antenna receiver in multipath environment	8
Machine learning-based methods for sea surface rainfall detection from CYGNSS delay-doppler maps	8
An analysis of PPP-GPS-based decentralized train multi-sensor navigation system	8
Impact of flex power on GPS Block IIF differential code biases	8
A new method to estimate GPS satellite and receiver differential code biases using a network of LEO satellites	8
GiRsnow: an open-source software for snow depth retrievals using GNSS interferometric reflectometry	8
Determination of the parameters of the triaxial earth ellipsoid as derived from present-day geospatial techniques	8
A global zenith tropospheric delay model with ERA5 and GNSS-based ZTD difference correction	8
BDS and GPS side-lobe observation quality analysis and orbit determination with a GEO satellite onboard receiver	8
Empirical orthogonal function analysis and modeling of global ionospheric spherical harmonic coefficients	8
GNSS-based hardware-in-the-loop simulations of spacecraft formation flying with the global ionospheric model TIEGCM	8
Satellite laser ranging to GNSS-based Swarm orbits with handling of systematic errors	8
A high-precision short-term prediction method with stable performance for satellite clock bias	8
A new parallel algorithm for improving the computational efficiency of multi-GNSS precise orbit determination	8
Monitoring a storm surge during Hurricane Harvey using multi-constellation GNSS-Reflectometry	8