IGS Workshop 2018

Name: IGS Workshop 2018
Start: 2018-10-29T00:00:00+00:00
End: 2018-11-02T23:59:59+00:00
Location: East Lake (Donghu) International Conference Center

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IGS Workshop 2018

Oct 29, 2018 (12:00 AM) - Nov 02, 2018 (11:59 PM)

IGS Workshop 2018

Dates and Location

29 October to 2 November, 2018 in Wuhan, China

Venue

The Local Organizing Committee (LOC) has announced that the Workshop will take place at:

East Lake (Donghu) International Conference Center
Wuchang District
Wuhan 430000
China

Plenaries

PY01 – Analysis Centers and Reference Frames – Thomas Herring, Paul Rebischung, Michael Moore

Overview of workshop, performance of IGS products, upcoming reprocessing effort, potential models	M. Moore
New ambiguity-fixed IGS clock analysis products at CODE	S. Shaer
Galileo un-differenced “integer” products	F. Perosanz
Aperiodic surface mass transport observed in GRACE and GNSS time series	P. Rebischung
Investigation of draconitic errors in IGS second reprocessed products at WHU	C. Shi
Impact of data break on the uncertainty of GNSS site velocity estimate	L. Wang

PY02 – Orbit Modeling – Rolf Dach, Tim Springer

Orbit determination and solar radiation pressure analysis of BDS satellite	Q. Chen
Optimized Strategies for Precise Orbit Determination of Low Earth Orbiters Based on BDS	Q. Zhang
Initial Orbit Determination of Third-Generation BeiDou MEO Spacecraft	F. Dilssner
Precise orbit determination of QZSS satellites with high-fidelity non-gravitational disturbance model	S. Ikari
Validation of boxwing models for GNSS satellites	S. McNair
Improved Precise Orbit Determination by modelling of highly accurate clocks	I. Selmke

PY03 – Troposphere – Rosa Pacione, Sharyl Byram

Multi-GNSS Activities for Atmosphere Sounding at GFZ	G. Dick
Impact of second-order ionospheric delays on troposphere ZWD estimation with GPS and BeiDou measurements	S. Zhang
GCOS Reference Upper Air Network (GRUAN) GNSS Precipitable Water Product	J. Wang
On the estimation and use of GNSS tropospheric gradients for meteorological applications	M. Kačmařík
Tropospheric path delays derived from very high-resolution GNSS-based troposphere models and spaceborne SAR interferometry	K. Wilgan
GPS Water Vapor Data to Improve Water Vapor Retrieval from MERSI/FY-3B Remote Sensing Satellite	Z. Liu

PY04 – Infrastructure Committee, RINEX, Data Centers – Nacho Romero, Ken Macleod, Carey Noll

IGS Infrastructure Status and Challenges	I. Romero
Challenges and Opportunities of GNSS Reference Station Network	. Jiang
GNSS Science Service Centre (GSSC)	L. Garcia
Improving the efficiency of GNSS data streaming within the IGS	R. Ruddick
Updates to the CSRS-PPP online service	S. Banville

PY05 – Timing and Biases – Stefan Schaer, Michael Coleman

Phase Biases of GPS L1/L2/L5 for the Purpose of Zero-difference Ambiguity Resolution and Initial Results on Galileo E1/E5a	B. Duan
Phase bias product in the bias-SINEX format and open-source software for undifferenced ambiguity resolution at Wuhan University	J. Geng
Estimating a set of IFCBs to make IGS ionospheric-free clock product compatible with various triple-frequency PPP models	L. Pan
What to do about Flex Power	Y. Bar-Sever
Quantifying the pilot-data bias on all current GNSS signals and satellites	J. Sleewaegen

PY06 – MGEX and IGMA – Oliver Montenbruck, Urs Hugentobler

Introduction by session chairs	O. Montenbruck
Toward a Multi-Constellation combination : Improving the IGS orbits & clocks combination software for MGEX products	P. Sakic
Towards instantaneous PPP initialization in case of triple-frequency multi-GNSS data	J. Guo
Multi-frequency and multi-GNSS processing with the raw observation approach	S. Strasser
Signal-in-space Accuracy Analysis for BDS in 2016-2017	B. Wang
Progress on the ICG IGMA Task Force activities and joint Trial Project with IGS	S. Song

PY07 – Antennas – Arturo Villiger, Florian Dilssner

Introduction by session chairs	A. Villiger
Field Absolute Calibration of the BDS Receiver Antenna at Wuhan	Z. Hu
Multi-GNSS Absolute Antenna Field Calibration with a Robot at ETH Zurich	D. Willi
Estimation of antenna phase center offset for BDS IGSO and MEO satellites	X. Yan
Consistency antenna products in the MGEX environment	A. Villiger

PY08 – Ionosphere – Andrzej Krankowski

High-precision and high-resolution VTEC maps based on B-spline expansions and GNSS data	M. Schmidt
CAS Ionosphere Associate Analysis Center: Status report	Z. Li
Impact of strong space weather conditions on GNSS-based navigation	G. Olivares
Ionospheric research and service based on near real time GNSS data	J. Berdermann
Climate VTEC maps in cooperation of IGS’ GNSS and GIRO sensor networks as a step towards VTEC assimilation into IRI	A. Froń
Regional Ionospheric Irregularities Mapping at Different Temporal Scales Using GNSS Networks and Its Applications	S. Song

PY09 – Real-Time – Axel Ruelke, Qile Zhao

Recent Developments of DLR’s Real-Time Clock Estimation (RETICLE) Engine	A. Hauschild
Precise point positioning of surveying vessel in the Baltic Sea	W. Söhne
Benefits of IGS RTS for real time ionospheric space weather monitoring	N. Wang
The impact of higher order ionospheric corrections on ultra-rapid orbit determination	X. Chen
FUSING: a distributed software platform for real-time high precision multi-GNSS service	S. Gu
Real-time orbit and clock products at Wuhan University to support Multi-GNSS application	J. Guo

PY10 – Science Applications – Jianghui Geng, Fred Blume

Crustal deformation in the Kunlun Fault region from long-term GPS measurements	G. Zheng
Real-time coseismic fault model estimation based on RTK-GNSS analysis in Japan	S. Kawamoto
The Effect of Colored Noise on Automatic Offset Detection in GNSS Time Series	R. Fernandes
GNSS-Reflectometry for Earth Observation: History, Results and Prospects	J. Wickert
Observing geocenter motion from LEO POD using onboard GPS tracking data	D. Kuang
Retrieving and Validating Precipitable Water Vapor from Shipborne GNSS Observation using Ground-based and Space-borne Data	M. Ge

Posters

PS01 – Analysis Centers

New developments at GOP Analysis Center	J. Dousa
Between-satellite single-difference integer ambiguity resolution in the SPODS software	R. Ruan
CNES/CLS IGS Analysis center: recent activities	S. Loyer
Precise satellite clock estimation for GPS, GLONASS, BeiDou and Galileo using the Australian Analysis Centre Software	T. Li
The ESA/ESOC Analysis Centre progress and improvements	T. Springer
Activities at the CODE Analysis Center	R. Dach

PS02 – Reference Frame

Status of IGS14 reprocessing at the JPL IGS Analysis Center	P. Ries
Least Squares Cubic Splines for the Polar Motion Estimations	P. Li
Converted Total Least Squares method and Gauss-Helmert model with applications to 3-D coordinate transformations of ITRF series	J. Cai

PS03 – Orbit Modeling

Impact of solar radiation pressure mis-modelling on GNSS satellite orbit determination	T. Tseng
Impact of empirical parameters on GNSS orbit prediction through numerical integration	T. Papanikolaou
The Adjusted Optical Properties of GNSS Satellites and Applications in Precise Orbit Determination and Prediction	B. Duan
Improving precise orbit and clock determination for BeiDou-3, Galileo and QZSS with satellite metadata	Y. Yuan
Precise orbit and clock determination using zero-differenced ambiguity resolution for GPS, Galileo, BDS and GLONASS	J. Wu
The impact of atmospheric and hydrological surface loading corrections on GNSS orbits	B. Männel
A multi-year reanalysis of GPS Block II/IIA and IIF satellite yaw maneuvers by means of reverse kinematic point positioning tech	A. Sibois
Solar Radiation Pressure Model Performance Test Using GNSS Precise Ephemeris	S. Yoon
Accuracy analysis of the observed GNSS ultra-rapid orbit and its correction	C. Hu
Improved orbit modelling of Galileo satellites during eclipse seasons	D. Sidorov
Orbit/Clock decorrelation approach for precise dynamic orbit determination	J. Chen
Orbit improvement based on combined processing of GPS and LEO	W. Huang
Continuous Precise Ephemerides for Beidou GEO/IGSO Maneuvered Satellites	J. Qiao

PS04 – Troposphere

Atmospheric sounding with ground-based, satellite-based and balloon-based GNSS for climate and meteorology study	X. Wang
Comparison of zenith troposphere delay from different techniques	V. Suvorkin
Integrating high-, medium- and low-earth orbit navigation satellite constellations to retrieve atmospheric water vapor	H. Tan
Assimilation of GNSS zenith total delay in the weather research and forecasting model: a case study	Y. Zheng
Impact of high-order ionospheric effects on estimated tropospheric parameters with GPS data	Z. Zheng
Analysis and comparison of tropospheric scintillation prediction models at Ogun University	P. Enuka
Trends in the atmospheric water vapour estimated using different elevation-angle-dependent parameters in the GPS	T. Ning
GNSS-based precise troposphere zenith path delay determination with high temporal resolution	Z. Kang
GNSS+ Tropospheric Sounding for Weather and Climate – An Australian Perspective	K. Zhang

PS05 – Infrastructure Committee, RINEX, Data Centers

New way of GNSS data dissemination within the European Plate Observing System	J. Dousa
REGINA a CNES/IGN worldwide GNSS receivers network for IGS and navigation	L. Jolivet
Discovering the Geoscience Australia GNSS Data Repository	R. Ruddick
GFZ GNSS Infrastructure and the Global reference Station Network	M. Ramatschi
NASA CDDIS: Important Changes to User Access	C. Noll
EGON: The ESA/ESOC GNSS Observation station Network	I. Romero
Status Quo of the new GFZ Operational Data Center	M. Bradke
Foundation CORS – The backbone of the U.S. National Spatial Reference System	K. Choi
SIRGAS: 25 years providing the geodetic infrastructure in Latin America	L. Sanchez

PS06 – Biases

FY-3D and FY-3C Onboard Observations for DCB Estimation: BDS and GPS DCBs	T. Ma
Fast estimation of real-time high-frequency precise satellite clock offset using multi-frequency and multi-constellation GNSS ob	Y. Xiong
Differential code bias estimation with ionosphere constrained by DESIGN	Y. Wang
GLONASS phase bias products in the bias-SINEX format at Wuhan University: Differential code-phase bias	Y. Pan
Long-term characteristics analysis and modeling of GPS/BDS inter-frequency clock bias	X. Gong
Multi-GNSS code bias handling: an observation-specific perspective	N. Wang
Precise Common View Time and Frequency Transfer based on BDS GEO satellites	X. Yang

PS07 – Timing

Galileo In-Orbit Satellite Clocks Performance and System Time Offset Assessment	L. Zhu
Analysis on Prediction Characteristics of time offsets in GNSS	C. Mengfei
Timing performance evaluation of BDS-3 early constellation using receivers located in time laboratories	B. Sun
Performance evaluation of GLONASS on-board atomic clock in long-term	W. Xie

PS08 – MGEX

Improving Galileo orbit determination using zero-difference ambiguity fixing in a Multi-GNSS processing	G. Katsigianni
Multi-GNSS triple-frequency Differential Code Bias (DCB) determination with Precise Point Positioning (PPP)	T. Liu
Hourly orbit and clock solutions for GPS, GLONASS, BeiDou, and Galileo with analysis of added value	A. Sibthorpe
Integrated precise orbit determination of FY-3C, FY-3D, BDS and GPS	K. Zhang
LEO constellation augmented multi-GNSS precise positioning: heterogeneous constellation design and frequency selection	F. Ma
Frequency Stability Analysis of BDS Satellite Clocks Under the Condition of Multi-satellite Orbit Determination	Y. Wang
Status of the TUM MGEX orbit and clock products	I. Selmke
Galileo real-time satellite clocks generation based on connection of short-arc observation files	M. Wu
The Analysis of BDS2/BDS3 Combined Precise Orbit Determination Strategy	Y. Wang
QZSS signal in space range error, differential inter-system bias and inter-frequency clock bias analysis	Y. Zhang
An Assessment of the Accuracy of Broadcast Ephemerides for Multi-GNSS Positioning	B. Stressler
The improvement of multi-GNSS orbit and clock at GFZ	Z. Deng
PPP rapid ambiguity resolution with LEO constellation augmented GNSS	X. Li
An empirical SRP model for the orbit normal attitude mode	L. Prange

PS09 – IGMA

A Preliminary Assessment on Continuity and Availability of Signal-In-Space for Multi-GNSS: From 2015 to 2016	Q. Zhang
Galileo SISRE analysis with Where	M. Dähnn
GMV’s Preliminary Results of its contribution to IGMA-IGS Joint Trial Project	I. Rodriguez
São Paulo State University contribution to the IGMA Trial Project – PDOP and broadcast ephemeris accuracy assessment	J. Galera Monico

PS10 – Antennas

Group Delay Variations of Galileo Satellite Antennas	S. Beer
estimating-satellite-antenna-calibration-in-a-multi-gnss-environment	R. Dach
6-axis robot for absolute antenna calibration at the US National Geodetic Survey	A. Bilich

PS11 – Ionosphere

POLarGIMs: Time evolution of vertical electron content distribution in polar ionosphere from UPC-GIM TOMION runs	M. Hernández-Pajares
Modeling real-time global ionospheric TEC map based on the spare and uneven distributed multi-GNSS stations	Z. Li
RROT: a new ionosphere activity index for ionospheric irregularity monitoring	N. Wang
Ionospheric observable: benefit from PPP and PPP-AR	W. Nie
A long-term ionospheric dynamics and fluctuations study in a local frame	K. Kotulak
The IGS ROTI Map product: scientific applications and development	L. Cherniak
Ionospheric scintillation monitoring with Bałdy LOFAR station	L. Blaszkiewicz
The effect of solar storm to ionosphere and user’s position of BDS	J. Yi
Survey of solar flare signatures in the upper ionosphere with GNSS and GOES observations: a case study	S. Blevins
Regional Mean Electron Content: A new conception to track regional ionosphere activity	C. Liu
A hybrid of Abel inversion and Vary-Chap model to reconstruct RO electron density profile	H. Lyu
GNSS NavAer network for supporting Ionospheric Studies in Brazil	J. Galera Monico
Development and improvement of BDS single frequency ionospheric model	L. Xu
Application of GNSS-based Ionosphere TEC Model in CE-4	W. Zhou
Influence of Solar Activities on GNSS Broadcast Ionospheric Models in the Asia-Pacific region	N. Cheng
Studying Ionosphere Responses to a Geomagnetic Storm in June 2015 with Multi-Constellation Observations	Y. Liu
Ionosphere continuous monitoring based on BDS GEO satellites measurements	K. Zhao

PS12 – Real-Time

Performance Assessment of BDS Real-Time Precise Point Positioning Based on SSR Corrections	Y. Shi
real-time-gnss-data-quality-control	P. Vaclavovic
Assessing the ambiguity time convergence as function of constraints in the station coordinates and vice versa	J. Galera Monico
Research progress of multi-GNSS PPP-RTK technology	J. Huang
LEO constellation augmented GPS RTK positioning for medium-to-long baselines	H. Lv
Real-time un-differenced precise positioning for Android smartphones	L. Wang
Prediction of IGS RTS Correction Data using Machine Learning Algorithms	M. Kim
Progress and improvements in real-time services at NASA GSFC CDDIS	S. Blevins
real-time-implementation-of-instantaneous-ppp-convergence-using-the-e6-gali	D. Laurichesse
A real-time integrated GNSS/Accelerometer network and processing engine for earthquake early warning in Yunan, China	X. Shaoming
Technology of BDS Real-time Precise Orbit Determination Enhanced by LEOs	W. Le
A new method of integrating GPS and strong-motion data for real-time seismology	R. Fang
Development of real time multi-GNSS precise positioning system at IGG	Y. Yuan
Initial accuracy analysis of real-time products of multi-GNSS from Shanghai Astronomical Observatory AC of iGMAS	Q. Chen
Looking for optimal ways to combine global ionospheric maps in real-time	M. Hernández-Pajares

PS13 – Science Applications

GCS (General Commission for Survey, Riyadh, KSA) Data & Analysis Centre – the results of processing the data from GNSS CORS netw	L. Golubinka
GNSS geodetic networks development in Mongolia and Its Application in Geodynamic Study	E. Danzansan
Research on Extracting Common Mode Error in GPS Network using Principal Component Analysis	J. Wang
On the spatial correlation of colored noise in GPS position time series	A. Santamaria-Gomez
Robust fractal analysis and automatic singular points detection of IGS station coordinates time series	Q. Zhang
Undifferenced ambiguity resolution for GPS-based precise orbit determination of low Earth orbiters using the new CODE clock and	D. Arnold
A gravitational redshift test using eccentric Galileo satellites	P. Delva
Vertical Displacements Driven by Groundwater Storage Changes in the North China Plain Detected by GPS Observations	R. Liu
The Research on Common Mode Errors in GNSS Time Series Using Geographically Weighted Principal Component Analysis	R. Zou
GNSS Fog stations supporting Internet of Things applications: concepts, framework and use case studies	Y. Feng
Homogenized Ground-based GPS precipitable water products from 1999 to 2015 over China and evaluations of radiosondes and reanaly	W. Zhang
Onshore GNSS Used for Monitoring Tidal Variations	Q. Liu