GPS Solutions

Article	Citations
GNSS code and carrier phase observations of a Huawei P30 smartphone: quality assessment and centimeter-accurate positioning	70
Galileo PPP rapid ambiguity resolution with five-frequency observations	57
Assessment of BDS-3 global positioning service: ephemeris, SPP, PPP, RTK, and new signal	57
Performance evaluation of BDS-3 PPP-B2b precise point positioning service	51
Real-time GNSS precise point positioning for low-cost smart devices	49
A new IMU-aided multiple GNSS fault detection and exclusion algorithm for integrated navigation in urban environments	48
GPS + Galileo + BeiDou precise point positioning with triple-frequency ambiguity resolution	44
Initial Assessment of the BDS-3 PPP-B2b RTS compared with the CNES RTS	44
Past, present and future of atomic clocks for GNSS	42
Evaluation of PPP-RTK based on BDS-3/BDS-2/GPS observations: a case study in Europe	40
Disentangling ionospheric refraction and diffraction effects in GNSS raw phase through fast iterative filtering technique	40
Evolution of orbit and clock quality for real-time multi-GNSS solutions	38
Ionosphere-weighted undifferenced and uncombined PPP-RTK: theoretical models and experimental results	37
Multi-constellation GNSS PPP instantaneous ambiguity resolution with precise atmospheric corrections augmentation	33
Hybrid constellation design using a genetic algorithm for a LEO-based navigation augmentation system	33
System-specific systematic errors in earth rotation parameters derived from GPS, GLONASS, and Galileo	32
Correcting GPS measurements for non-tidal loading	32
Quality assessment of experimental IGS multi-GNSS combined orbits	32
GREAT-UPD: An open-source software for uncalibrated phase delay estimation based on multi-GNSS and multi-frequency observations	31
Validation of GNSS-derived global ionosphere maps for different solar activity levels: case studies for years 2014 and 2018	30
Pseudorange error prediction for adaptive tightly coupled GNSS/IMU navigation in urban areas	30
SIMuRG: System for Ionosphere Monitoring and Research from GNSS	29
BeiDou-3 broadcast clock estimation by integration of observations of regional tracking stations and inter-satellite links	29
Precise point positioning with GPS and Galileo broadcast ephemerides	28
JUST: MATLAB and python software for change detection and time series analysis	28

A global grid model for the correction of the vertical zenith total delay based on a sliding window algorithm	27
High-rate Doppler-aided cycle slip detection and repair method for low-cost single-frequency receivers	27
Sub-10–16 accuracy GNSS frequency transfer with IPPP	27
Benefits of BDS-3 B1C/B1I/B2a triple-frequency signals on precise positioning and ambiguity resolution	26
Optical clock technologies for global navigation satellite systems	26
Ionospheric VTEC and satellite DCB estimated from single-frequency BDS observations with multi-layer mapping function	26
B-spline function-based approach for GPS tropospheric tomography	25
Geocenter coordinates derived from multi-GNSS: a look into the role of solar radiation pressure modeling	25
Analysis and combination of multi-GNSS snow depth retrievals in multipath reflectometry	25
Considering different recent advancements in GNSS on real-time zenith troposphere estimates	25
Performance of Galileo precise time and frequency transfer models using quad-frequency carrier phase observations	24
Triple-frequency multi-GNSS reflectometry snow depth retrieval by using clustering and normalization algorithm to compensate terrain variation	24
PPP with integer ambiguity resolution for GPS and Galileo using satellite products from different analysis centers	23
New time-differenced carrier phase approach to GNSS/INS integration	23
Multipath mitigation in GNSS precise point positioning based on trend-surface analysis and multipath hemispherical map	22
Enhancing navigation performance through visual-inertial odometry in GNSS-degraded environment	22
POD of small LEO satellites based on precise real-time MADOCA and SBAS-aided PPP corrections	22
Models, methods and assessment of four-frequency carrier ambiguity resolution for BeiDou-3 observations	21
Precise orbit determination of BDS-3 satellites using B1C and B2a dual-frequency measurements	21
Apparent clock and TGD biases between BDS-2 and BDS-3	21
GIMLi: Global Ionospheric total electron content model based on machine learning	21
Feasibility of easy-to-implement methods to analyze systematic errors of multipath, differential code bias, and inter-system bias for low-cost receivers	21
On the temperature sensitivity of multi-GNSS intra- and inter-system biases and the impact on RTK positioning	21
An improved GNSS tropospheric tomography method with the GPT2w model	21
Wavelet-adaptive neural subtractive clustering fuzzy inference system to enhance low-cost and high-speed INS/GPS navigation system	20
Galileo high accuracy service: initial definition and performance	20
Rotating GNSS Antennas: Simultaneous LOS and NLOS Multipath Mitigation	20
GLONASS FDMA data for RTK positioning: a five-system analysis	20
LEO-constellation-augmented multi-GNSS real-time PPP for rapid re-convergence in harsh environments	19
Improving BDS-3 precise orbit determination for medium earth orbit satellites	19
High-precision orbit determination for a LEO nanosatellite using BDS-3	19
MG-APP: an open-source software for multi-GNSS precise point positioning and application analysis	19
INS/GNSS integration using recurrent fuzzy wavelet neural networks	19
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
BeiDou Global Ionospheric delay correction Model (BDGIM): performance analysis during different levels of solar conditions	18
A new three-dimensional computerized ionospheric tomography model based on a neural network	18
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	18
Ionosphere time series modeling using adaptive neuro-fuzzy inference system and principal component analysis	18
An open-source low-cost sensor for SNR-based GNSS reflectometry: design and long-term validation towards sea-level altimetry	18
Impact of robot antenna calibration on dual-frequency smartphone-based high-accuracy positioning: a case study using the Huawei Mate20X	18
Probabilistic approach to detect and correct GNSS NLOS signals using an augmented state vector in the extended Kalman filter	18
SUPREME: an open-source single-frequency uncombined precise point positioning software	18
A pulsed-Laser Rb atomic frequency standard for GNSS applications	17
Precise vehicle dynamic heading and pitch angle estimation using time-differenced measurements from a single GNSS antenna	17
PPPLib: An open-source software for precise point positioning using GPS, BeiDou, Galileo, GLONASS, and QZSS with multi-frequency observations	17
GINav: a MATLAB-based software for the data processing and analysis of a GNSS/INS integrated navigation system	17
Characteristics of phase bias from CNES and its application in multi-frequency and multi-GNSS precise point positioning with ambiguity resolution	17
GLONASS–only FDMA+CDMA RTK: Performance and outlook	17
FH-BOC: generalized low-ambiguity anti-interference spread spectrum modulation based on frequency-hopping binary offset carrier	17
Site-specific real-time GPS multipath mitigation based on coordinate time series window matching	17

An improved weighted mean temperature (Tm) model based on GPT2w with Tm lapse rate	17
A linear Kalman filter-based integrity monitoring considering colored measurement noise	16
Inter-satellite link assignment for the laser/radio hybrid network in navigation satellite systems	16
Multi-GNSS real-time precise clock estimation considering the correction of inter-satellite code biases	16
Impact of the third frequency GNSS pseudorange and carrier phase observations on rapid PPP convergences	16
A second generation of the neural network model for predicting weighted mean temperature	15
A unified model of GNSS phase/code bias calibration for PPP ambiguity resolution with GPS, BDS, Galileo and GLONASS multi-frequency observations	15
Impact and mitigation of neglecting PPP-RTK correctional uncertainty	15
How modernized and strengthened GPS signals enhance the system performance during solar radio bursts	15
Absolute field calibration for multi-GNSS receiver antennas at ETH Zurich	15
Performance assessment of GNSS-based real-time navigation for the Sentinel-6 spacecraft	15
Statistical characterization of the signal-in-space errors of the BDS: a comparison between BDS-2 and BDS-3	15
Enhanced fault detection and exclusion based on Kalman filter with colored measurement noise and application to RTK	15
On the potential contribution of BeiDou-3 to the realization of the terrestrial reference frame scale	14
Baseline length constraint approaches for enhancing GNSS ambiguity resolution: comparative study	14
Orbit determination of Sentinel-6A using the Galileo high accuracy service test signal	14
Estimation and analysis of multi-GNSS observable-specific code biases	14
A low-cost integrated MEMS-based INS/GPS vehicle navigation system with challenging conditions based on an optimized IT2FNN in occluded environments	14
Antenna phase center correction differences from robot and chamber calibrations: the case study LEIAR25	14
Code and phase multipath mitigation by using the observation-domain parameterization and its application in five-frequency GNSS ambiguity resolution	14
Estimation of LEO-GPS receiver differential code bias based on inequality constrained least square and multi-layer mapping function	14
LEO–BDS–GPS integrated precise orbit modeling using FengYun-3D, FengYun-3C onboard and ground observations	14
Multi-scale ionosphere responses to the May 2017 magnetic storm over the Asian sector	13
Fusing denoised stereo visual odometry, INS and GPS measurements for autonomous navigation in a tightly coupled approach	13
An efficient parallel computing strategy for the processing of large GNSS network datasets	13
Global grid-based Tm model with vertical adjustment for GNSS precipitable water retrieval	13
Initial results of distributed autonomous orbit determination for Beidou BDS-3 satellites based on inter-satellite link measurements	13
The long-term characteristics of GNSS signal distortion biases and their empirical corrections	12
Impact of Galileo-to-GPS-Time-Offset accuracy on multi-GNSS positioning and timing	12
Performance of BeiDou-3 signal-in-space ranging errors: accuracy and distribution	12
Determination of precise Galileo orbits using combined GNSS and SLR observations	12
Performance evaluation of the filters with adaptive factor and fading factor for GNSS/INS integrated systems	12
Editing arcs to improve the capacity of GNSS-IR for soil moisture retrieval in undulating terrains	12
Indoor precise point positioning with pseudolites using estimated time biases iPPP and iPPP-RTK	12
A satellite-based method for modeling ionospheric slant TEC from GNSS observations: algorithm and validation	12
Integer-estimable GLONASS FDMA model as applied to Kalman-filter-based short- to long-baseline RTK positioning	12
An improved constrained simultaneous iterative reconstruction technique for ionospheric tomography	12
Local ionospheric plasma bubble revealed by BDS Geostationary Earth Orbit satellite observations	12
Improving ambiguity resolution success rate in the joint solution of GNSS-based attitude determination and relative positioning with multivariate constraints	11
Global forecasting of ionospheric vertical total electron contents via ConvLSTM with spectrum analysis	11
An investigation of PPP time transfer via BDS-3 PPP-B2b service	11
A new simplified zenith tropospheric delay model for real-time GNSS applications	11
Fast cycle slip determination for high-rate multi-GNSS RTK using modified geometry-free phase combination	11
Improving the (re-)convergence of multi-GNSS real-time precise point positioning through regional between-satellite single-differenced ionospheric augmentation	11
Multi-constellation single-frequency ionospheric-free precise point positioning with low-cost receivers	11
Estimation of antenna phase center offsets for BeiDou IGSO and MEO satellites	11
An enhanced foot-mounted PDR method with adaptive ZUPT and multi-sensors fusion for seamless pedestrian navigation	11
A comparative analysis of navigation signals in BDS-2 and BDS-3 using zero-baseline experiments	11
A new integrated method of GNSS and MODIS measurements for tropospheric water vapor tomography	11
Spatio-temporal analysis of TEC during solar activity periods using support vector machine	11
Full-ISL clock offset estimation and prediction algorithm for BDS3	11
Multi-frequency phase-only PPP-RTK model applied to BeiDou data	11
Low-latency, high-rate, high-precision relative positioning with moving base in real time	11
Effects of a navigation spoofing signal on a receiver loop and a UAV spoofing approach	11
Efficiency of updating the ionospheric models using total electron content at mid- and sub-auroral latitudes	10
Scaling earthquake magnitude in real time with high-rate GNSS peak ground displacement from variometric approach	10
Generation of Assimilated Indian Regional Vertical TEC Maps	10
Enhanced solar radiation pressure model for GPS satellites considering various physical effects	10
Comparison and evaluation of carrier phase PPP and single difference time transfer with multi-GNSS ambiguity resolution	10
Identifying the sensitivity of GPS to non-tidal loadings at various time resolutions: examining vertical displacements from continental Eurasia	10
A new fuzzy strong tracking cubature Kalman filter for INS/GNSS	10
Improved method for the GPS high-precision real-time satellite clock error service	10
Assessing partial ambiguity resolution and WZTD-constraint multi-frequency RTK in an urban environment using new BDS signals	10
Time–frequency analysis of the Galileo satellite clocks: looking for the J2 relativistic effect and other periodic variations	10
Common-mode error and multipath mitigation for subdaily crustal deformation monitoring with high-rate GPS observations	10
High-order ionospheric delay correction of GNSS data for precise reduced-dynamic determination of LEO satellite orbits: cases of GOCE, GRACE, and SWARM	9
Monitoring and prediction of hurricane tracks using GPS tropospheric products	9
Interactive multiple-model vertical vibration detection of structures based on high-frequency GNSS observations	9
Using GNSS radio occultation data to derive critical frequencies of the ionospheric sporadic E layer in real time	9
Integer ambiguity resolution and precise positioning for tight integration of BDS-3, GPS, GALILEO, and QZSS overlapping frequencies signals	9
Characteristics of the BDS-3 multipath effect and mitigation methods using precise point positioning	9
Integrity monitoring of carrier phase-based ephemeris fault detection	9
Estimation and analysis of GPS inter-fequency clock biases from long-term triple-frequency observations	9
Joint time–frequency mask and convolutional neural network for real-time separation of multipath in GNSS deformation monitoring	9
An efficient method for undifferenced BDS-2/BDS-3 high-rate clock estimation	9
Centimeter-accurate vehicle navigation in urban environments with a tightly integrated PPP-RTK/MEMS/vision system	9
Impact of anomalous ionospheric gradients on GBAS in the low-latitude region of China	9
Implementation and performance analysis of the PDR/GNSS integration on a smartphone	9
GNSS carrier phase time-variant observable-specific signal bias (OSB) handling: an absolute bias perspective in multi-frequency PPP	9
Outliers and uncertainties in GNSS ZTD estimates from double-difference processing and precise point positioning	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
A new post-correlation anti-jamming technique for GPS receivers	9
A sequential ambiguity selection strategy for partial ambiguity resolution during RTK positioning in urban areas	9
Toward BDS/Galileo/GPS/QZSS triple-frequency PPP instantaneous integer ambiguity resolutions without atmosphere corrections	9
A deep fading assessment of the modernized L2C and L5 signals for low-latitude regions	9