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Detection of GNSS antenna oscillatory motion and multipath conditions via exploitation of multipath-induced SNR variations (2023)
Journal Article
Peppa, I., & Psimoulis, P. A. (2023). Detection of GNSS antenna oscillatory motion and multipath conditions via exploitation of multipath-induced SNR variations. GPS Solutions, 27(3), Article 117. https://doi.org/10.1007/s10291-023-01432-6

The multipath effect is well known as one of the dominant error sources in most high-precision GNSS applications, as its site-dependent and fast-changing nature render it challenging to model and mitigate using differencing techniques. However, in th... Read More about Detection of GNSS antenna oscillatory motion and multipath conditions via exploitation of multipath-induced SNR variations.

Monitoring the dynamic response of a pedestrian bridge by using low-cost GNSS receivers (2023)
Journal Article
Xue, C., & Psimoulis, P. A. (2023). Monitoring the dynamic response of a pedestrian bridge by using low-cost GNSS receivers. Engineering Structures, 284, Article 115993. https://doi.org/10.1016/j.engstruct.2023.115993

The development of low-cost GNSS receivers with carrier-phase measurement capacity has led to low-budget GNSS applications of higher accuracy and precision. Recent studies have mainly been carried out with those low-cost receivers for landslide monit... Read More about Monitoring the dynamic response of a pedestrian bridge by using low-cost GNSS receivers.

Assessment of the accuracy of low-cost multi-GNSS receivers in monitoring dynamic response of structures (2022)
Journal Article
Xue, C., Psimoulis, P., Horsfall, A., Zhang, Q., & Meng, X. (2022). Assessment of the accuracy of low-cost multi-GNSS receivers in monitoring dynamic response of structures. Applied Geomatics, https://doi.org/10.1007/s12518-022-00482-8

The monitoring of bridges is a crucial operation for their structural health examination and maintenance. GNSS technology is one of the methods which are applied with the main advantage that the direct measurement of the bridge displacement is conduc... Read More about Assessment of the accuracy of low-cost multi-GNSS receivers in monitoring dynamic response of structures.

Feasibility analysis of the performance of low-cost GNSS receivers in monitoring dynamic motion (2022)
Journal Article
Xue, C., Psimoulis, P. A., & Meng, X. (2022). Feasibility analysis of the performance of low-cost GNSS receivers in monitoring dynamic motion. Measurement, 202, Article 111819. https://doi.org/10.1016/j.measurement.2022.111819

The development of low-cost GNSS receivers broadens their applications, such as deformation monitoring, which have been performed routinely by survey-grade GNSS receivers. To evaluate the performance of low-cost GNSS receivers, we assessed the precis... Read More about Feasibility analysis of the performance of low-cost GNSS receivers in monitoring dynamic motion.

Monitoring the Dynamics of Formby Sand Dunes Using Airborne LiDAR DTMs (2021)
Journal Article
Mahmoud, A. M. A., Hussain, E., Novellino, A., Psimoulis, P., & Marsh, S. (2021). Monitoring the Dynamics of Formby Sand Dunes Using Airborne LiDAR DTMs. Remote Sensing, 13(22), Article 4665. https://doi.org/10.3390/rs13224665

Coastal dunes play an important role in coastal erosion risk management, where they act as a dynamic natural sea defence line. Formby coast is part of the Sefton coast in the Northwest of England and is one of the largest and most rapidly evolving sa... Read More about Monitoring the Dynamics of Formby Sand Dunes Using Airborne LiDAR DTMs.

Monitoring the response of Severn Suspension Bridge in the United Kingdom using multi-GNSS measurements (2021)
Journal Article
Msaewe, H. A., Psimoulis, P. A., Hancock, C. M., Roberts, G. W., & Bonenberg, L. (2021). Monitoring the response of Severn Suspension Bridge in the United Kingdom using multi-GNSS measurements. Structural Control and Health Monitoring, 28(11), Article e2830. https://doi.org/10.1002/stc.2830

The application of GPS in bridge monitoring aims to determine accurately and precisely the response of the deck and towers of the bridge and estimate the main response characteristics (amplitude and modal frequencies). The main requirement of GPS mon... Read More about Monitoring the response of Severn Suspension Bridge in the United Kingdom using multi-GNSS measurements.

Pass-by-Pass Ambiguity Resolution in Single GPS Receiver PPP Using Observations for Two Sequential Days: An Exploratory Study (2021)
Journal Article
Xi, R., Chen, Q., Meng, X., Psimoulis, P., Jiang, W., & Xu, C. (2021). Pass-by-Pass Ambiguity Resolution in Single GPS Receiver PPP Using Observations for Two Sequential Days: An Exploratory Study. Remote Sensing, 13(18), Article 3728. https://doi.org/10.3390/rs13183728

“Pass-by-pass” or “track-to-track” ambiguity resolution removes Global Navigation Satellite System (GNSS) satellite hardware delays between adjacent undifferenced (UD) ambiguities, which is often applied in precise orbit determination (POD) for Low E... Read More about Pass-by-Pass Ambiguity Resolution in Single GPS Receiver PPP Using Observations for Two Sequential Days: An Exploratory Study.

Analysis of the performance of closely spaced low-cost multi-GNSS receivers (2021)
Journal Article
Xue, C., Psimoulis, P., Zhang, Q., & Meng, X. (2021). Analysis of the performance of closely spaced low-cost multi-GNSS receivers. Applied Geomatics, 13(3), 415-435. https://doi.org/10.1007/s12518-021-00361-8

© 2021, The Author(s). The recent advances of low-cost GNSS receivers have broadened their application field not only in positioning and navigation, but also in deformation monitoring of civil engineering structures and geohazards. Even though some c... Read More about Analysis of the performance of closely spaced low-cost multi-GNSS receivers.

The use of sar offset tracking for detecting sand dune movement in sudan (2020)
Journal Article
Mahmoud, A. M. A., Novellino, A., Hussain, E., Marsh, S., Psimoulis, P., & Smith, M. (2020). The use of sar offset tracking for detecting sand dune movement in sudan. Remote Sensing, 12(20), https://doi.org/10.3390/rs12203410

© 2020 by the authors. Licensee MDPI, Basel, Switzerland. Sand movement is one of the main environmental hazards in Northern Sudan that threaten livelihood and rural communities. This paper investigates for the first time the use of the Synthetic Ape... Read More about The use of sar offset tracking for detecting sand dune movement in sudan.

A novel dynamical filter based on multi-epochs least-squares to integrate the carrier phase and pseudorange observation for GNSS measurement (2020)
Journal Article
Li, F., Gao, J., Psimoulis, P., Meng, X., & Ke, F. (2020). A novel dynamical filter based on multi-epochs least-squares to integrate the carrier phase and pseudorange observation for GNSS measurement. Remote Sensing, 12(11), https://doi.org/10.3390/rs12111762

© 2020 by the authors. The high noise of pseudorange and the ambiguity of carrier phase observation restrain the GNSS (Global Navigation Satellite System) application in military, industrial, and agricultural, to name a few. Thus, it is crucial for G... Read More about A novel dynamical filter based on multi-epochs least-squares to integrate the carrier phase and pseudorange observation for GNSS measurement.

A Multiple Algorithm Approach to the Analysis of GNSS Coordinate Time Series for Detecting Geohazards and Anomalies (2020)
Journal Article
Habboub, M., Psimoulis, P. A., Bingley, R., & Rothacher, M. (2020). A Multiple Algorithm Approach to the Analysis of GNSS Coordinate Time Series for Detecting Geohazards and Anomalies. Journal of Geophysical Research. Solid Earth, 125(2), https://doi.org/10.1029/2019JB018104

©2020. American Geophysical Union. All Rights Reserved. In this study, a multiple algorithm approach to the analysis of GNSS coordinate time series for detecting geohazards and anomalies is proposed. This multiple algorithm approach includes the nove... Read More about A Multiple Algorithm Approach to the Analysis of GNSS Coordinate Time Series for Detecting Geohazards and Anomalies.

Application of GeoSHM System in Monitoring Extreme Wind Events at the Forth Road Bridge (2019)
Journal Article
Meng, X., Nguyen, D. T., Owen, J. S., Xie, Y., Psimoulis, P., & Ye, G. (2019). Application of GeoSHM System in Monitoring Extreme Wind Events at the Forth Road Bridge. Remote Sensing, 11(23), https://doi.org/10.3390/rs11232799

© 2019 by the authors. Implementation of Structural Health Monitoring systems on long-span bridges has become mandatory in many countries to ascertain the safety of these structures and the public, taking into account an increase in usage and threats... Read More about Application of GeoSHM System in Monitoring Extreme Wind Events at the Forth Road Bridge.

Detection of ground motions using high-rate GPS time-series (2018)
Journal Article
Psimoulis, P., Houlié, N., Habboub, M., Michel, C., & Rothacher, M. (2018). Detection of ground motions using high-rate GPS time-series. Geophysical Journal International, 214(2), 1237–1251. https://doi.org/10.1093/gji/ggy198

Monitoring surface deformation in real-time help at planning and protecting infrastructures and populations, manage sensitive production (i.e. SEVESO-type) and mitigate long-term consequences of modifications implemented. We present RT-SHAKE, an algo... Read More about Detection of ground motions using high-rate GPS time-series.