Real-Time Integration of GPS with INS For Precise Long-Baseline Kinematic Positioning. Although Australian researchers have played an important role in the development of carrier phase-based GPS kinematic positioning algorithms and methodologies over the last two decades, investigations concerning high precision multi-sensor integration have been comparatively limited. This ARC project would go a significant way towards remedying this situation by building up theoretical and practical expertise ....Real-Time Integration of GPS with INS For Precise Long-Baseline Kinematic Positioning. Although Australian researchers have played an important role in the development of carrier phase-based GPS kinematic positioning algorithms and methodologies over the last two decades, investigations concerning high precision multi-sensor integration have been comparatively limited. This ARC project would go a significant way towards remedying this situation by building up theoretical and practical expertise in sensor integration techniques at the postdoctoral level. The outcomes of this project will represent a significant contribution to Australian R&D in the fields of precise positioning and navigation, since they will be directly applicable to the design and development of a variety of integrated multi-sensor systems.Read moreRead less
Integrated GPS and interferometric SAR techniques for ground subsidence monitoring. The Global Positioning System (GPS) is commonly used for measuring ground subsidence due to underground mining and similar activities. However, GPS techniques cannot easily survey a dense enough grid of points to monitor subsidence across a wide area. This project aims to densify the GPS field measurements with the interferometric processing of Synthetic Aperture Radar (SAR) images. The outcomes of this research ....Integrated GPS and interferometric SAR techniques for ground subsidence monitoring. The Global Positioning System (GPS) is commonly used for measuring ground subsidence due to underground mining and similar activities. However, GPS techniques cannot easily survey a dense enough grid of points to monitor subsidence across a wide area. This project aims to densify the GPS field measurements with the interferometric processing of Synthetic Aperture Radar (SAR) images. The outcomes of this research include optimal integration models, operational software systems and quality-control measures. A test area south of Sydney, where subsidence caused by underground coal mining is having significant detrimental effect on surface infrastructure, will be monitored over a three-year period.Read moreRead less
A combined inertial, satellite & terrestrial signal navigation device for high accuracy positioning & orientation of underground imaging systems. The 'holy grail' of the mapping community is ubiquitous, cm-level accuracy positioning/orientation in all outdoor environments with a minimum installed infrastructure and operational complexity. There is currently no system able to address such needs. The integration of an Australian-developed technology within the standard GPS/inertial navigation conf ....A combined inertial, satellite & terrestrial signal navigation device for high accuracy positioning & orientation of underground imaging systems. The 'holy grail' of the mapping community is ubiquitous, cm-level accuracy positioning/orientation in all outdoor environments with a minimum installed infrastructure and operational complexity. There is currently no system able to address such needs. The integration of an Australian-developed technology within the standard GPS/inertial navigation configuration would be a truly ground-breaking achievement. This would represent a significant enhancement of Australia's capacity to develop high-value navigation products and services, and the proposed project outcomes align closely with National Research Priority 3, and address the 'Frontier Technologies and Smart Information Use' priority goals.Read moreRead less
Stochastic modelling for high precision GPS positioning applications. Realistic stochastic modelling for measurements is one of the fundamental and challenging issues in a wide range of scientific problems. This project aims to develop and test an innovative stochastic modelling methodology for high precision GPS positioning applications. The new stochastic modelling methodology will significantly improve the accuracy and reliability of satellite positioning results. The expected outcomes are ....Stochastic modelling for high precision GPS positioning applications. Realistic stochastic modelling for measurements is one of the fundamental and challenging issues in a wide range of scientific problems. This project aims to develop and test an innovative stochastic modelling methodology for high precision GPS positioning applications. The new stochastic modelling methodology will significantly improve the accuracy and reliability of satellite positioning results. The expected outcomes are: (1) new knowledge about the statistical characteristics of satellite measurements; (2) development of a new error analysis framework; and (3) development of computationally efficient data processing algorithms to support high precision GPS positioning applications.Read moreRead less
Designing Next Generation GNSS Receivers Using the Software Approach. GNSS products & services are continually being developed to make Australian farmers & miners more productive, road transport & air & marine navigation safer, & geospatial data capture more efficient. The value of GNSS products & services will grow rapidly, and may be over a billion dollars pa in Australia by the end of the decade. In addition, the impact on society of ubiquitous positioning made possible using GNSS will be pro ....Designing Next Generation GNSS Receivers Using the Software Approach. GNSS products & services are continually being developed to make Australian farmers & miners more productive, road transport & air & marine navigation safer, & geospatial data capture more efficient. The value of GNSS products & services will grow rapidly, and may be over a billion dollars pa in Australia by the end of the decade. In addition, the impact on society of ubiquitous positioning made possible using GNSS will be profound. GNSS devices will be embedded within mobilephones, consumer items, clothing & other personal effects. An enhancement of Australia's R&D capabilities as proposed in this project will allow new GNSS receiver designs to be quickly developed & tested that take advantage of the next generation GNSS signals.Read moreRead less
Remote Sensing Based on Indirect GPS Signals. It is intended to utilize signals from the GPS satellite system, reflected from stationary objects (walls and water surfaces), to detect deformation or changed surface characteristics using the bistatic radar principle. The GPS receiving system consists of one or more signal detection components with antennas, as well as a processing device. The main objectives of the research are: the estimation of the power budget, developing techniques for system ....Remote Sensing Based on Indirect GPS Signals. It is intended to utilize signals from the GPS satellite system, reflected from stationary objects (walls and water surfaces), to detect deformation or changed surface characteristics using the bistatic radar principle. The GPS receiving system consists of one or more signal detection components with antennas, as well as a processing device. The main objectives of the research are: the estimation of the power budget, developing techniques for system modelling, developing techniques for simultaneous reception of signals from different satellites, and processing these signals with the aim of improving the spatial resolution, development of a demonstrator system, and evaluation of the system for selected remote sensing tasks.
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Trustworthy positioning for intelligent transport systems. This project aims to develop a holistic approach for reliable positioning for Intelligent Transport Systems (ITS). This project will address the challenges of integrity monitoring in ITS when using satellite-based technology, its integration with other sensors, and when supported by the proposed Australia National Positioning Infrastructure. It will consider Australian geography, large area, and sparse population, and emphasise rural tra ....Trustworthy positioning for intelligent transport systems. This project aims to develop a holistic approach for reliable positioning for Intelligent Transport Systems (ITS). This project will address the challenges of integrity monitoring in ITS when using satellite-based technology, its integration with other sensors, and when supported by the proposed Australia National Positioning Infrastructure. It will consider Australian geography, large area, and sparse population, and emphasise rural transport. Expected primary outputs include algorithms, a detailed analysis of required systems and recommendations that will help prepare Australia for the importation of self-driving vehicles.Read moreRead less
Generation of Digital Elevation Models by Fusion of Image and Terrain Laser Scan Data. There are currently two separate approaches to obtaining digital elevation models of the terrain surface by remote sensing, image based methods using aerial or satellite images and scanner techniques by terrain laser scanners. Each method provides elevations with high accuracy, but both require significant input from an operator during processing. It is proposed to take advantage of the synegies of these two ....Generation of Digital Elevation Models by Fusion of Image and Terrain Laser Scan Data. There are currently two separate approaches to obtaining digital elevation models of the terrain surface by remote sensing, image based methods using aerial or satellite images and scanner techniques by terrain laser scanners. Each method provides elevations with high accuracy, but both require significant input from an operator during processing. It is proposed to take advantage of the synegies of these two forms of data by combining the processing into a single solution for elevation determination by data fusion. This approach will improve the quality and efficiency of elevation determination.Read moreRead less
Dynamic Receiver Autonomous Integrity Monitoring for Multi-constellation Global Navigation Satellite Systems. In the next five years, four Global Navigation Satellite Systems (GNSS) will be developed to foster the wide applications of satellite navigation in our daily life. These new developments can certainly offer a variety of economic, scientific and social opportunities for Australia. This research project will develop a theoretically sound integrity monitoring procedure for the new generat ....Dynamic Receiver Autonomous Integrity Monitoring for Multi-constellation Global Navigation Satellite Systems. In the next five years, four Global Navigation Satellite Systems (GNSS) will be developed to foster the wide applications of satellite navigation in our daily life. These new developments can certainly offer a variety of economic, scientific and social opportunities for Australia. This research project will develop a theoretically sound integrity monitoring procedure for the new generation GNSS receivers to check their own navigation performance. The contribution from this research, which is patentable, will bring a timely opportunity for local industry to develop new products towards a massive worldwide market and serve Australian users as well.Read moreRead less
Enhancing marine bathymetry using new generation satellite sensors. Highly accurate marine bathymetry are currently lacking in 72% of the global ocean including around Australia, particularly in shallow seas and near-shore coastal zones, contributing to various navigation and marine safety accidents. Ship surveys of the seafloor are time-consuming and expensive. Satellite altimetry data provide an alternative solution. This project will improve Australia’s marine bathymetry by using spatially co ....Enhancing marine bathymetry using new generation satellite sensors. Highly accurate marine bathymetry are currently lacking in 72% of the global ocean including around Australia, particularly in shallow seas and near-shore coastal zones, contributing to various navigation and marine safety accidents. Ship surveys of the seafloor are time-consuming and expensive. Satellite altimetry data provide an alternative solution. This project will improve Australia’s marine bathymetry by using spatially comprehensive and unprecedented data from new radar and laser satellite sensors. We aim to develop techniques for integration of the new data with other independent data sources, producing the most precise marine bathymetry for coastal terrain mapping, marine transport and safety management.Read moreRead less