Sanna Kaasalainen

Prof.Adj. Prof.Ph.D.

Director

Department: Navigation and Positioning

+358 50 369 6806

ORCID iD

Contact person in research groups

Ongoing research groups

Remote sensing of the changing Earth – sub group

The aim of the research team is the development of measurement technologies and applying them in the remote sensing of the phenomena related to global change.

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Previous research groups

Environmental research with active sensors (ActiveSensing)

The research group of Environmental research with active sensors.

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Contact person in projects

Ongoing projects

ESRIUM

ESRIUM is a multi-national project with the common goal to set up a service to foster greener and smarter road usage, road maintenance, and to increase road safety. The key innovation will be formed by a homogeneous, accurate and recent digital map of road surface damage and road wear. ESRIUM’s core proposition is a data platform, which hosts highly detailed EGNSS-referenced map data of road damage and associated safety risks at centimeter-level resolution. Further addressed as “road wear map”, it will contain unique information, which is of value to multiple stakeholders: road operators will be able to lower the road maintenance effort by optimal planning.

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GIMME

One of the unique features of the Galileo satellite navigation system is its dedicated Public Regulated Service (PRS). The purpose of the PRS is to improve the resilience of authorized users against radio jamming and counterfeit signals (spoofing).

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GNSS-Finland Service

GNSS-Finland Service project will offer signal quality information in multiple frequencies for all four Global constellations, i.e., GPS, Galileo, GLONASS and BeiDou. In addition, it will offer alert messages to Traficom in case of detection of any predefined signal anomalies. Anomalies could be among other things interference on GNSS signal. This project is the successor of the project GNSS-Finland (GNSS Signal Quality Monitoring in Finland - FinSig) that ended in June 2019.

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INCUBATE - Indoor navigations from cubesat technology

LEO small satellites are cost-effective which will make it possible to provide PNT services to new user groups that cannot be reached by traditional GNSS services, while creating new types of commercial opportunities. Technology related to small satellites enable creating new business models when development is done together with companies. INCUBATE -project aims to enhance these types of activities. We intend to investigate how PNT (positioning, navigation, and timing) operations based on LEO satellites can be used in indoor environment. In addition, and partly together with companies, we will explore the commercial potential and prospective revenue streams generated by the solution. The satellite signal and its reception has to be optimized for us to be able to determine a sufficient performance of satellite signal for accurate PNT indoor service. In addition, we are developing the utilization of existing small satellites and designing a new satellite, FinnPNTSat, for positioning. We are also developing a new payload, i.e. equipment and software carried by the satellite.

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PRS Pilot Project for Demonstration (3PfD)

One of the unique features of the Galileo satellite navigation system is its dedicated Public Regulated Service (PRS). The purpose of the PRS is to improve the resilience of authorized users against radio jamming and counterfeit signals (spoofing).

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Real-Time AI-Supported Ore Grade Evaluation for Automated

The RAGE project will develop automatic and reliable mineral detection based on AI machine learning based on active hyperspectral 3D sensing, indoor positioning, and real-time AI.

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REASON

Satellite navigation (GNSS) signals provide accurate and continuous position, navigation, and timing (PNT) services to citizens. These services are necessary to critical infrastructures, such as accurate timing for stock market, electricity transmission, banking and security information systems, reliable positioning for aviation, wireless communications, accurate localization for emergency (112) personnel and logistic chains, and transport.

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Previous projects

GNSS signal quality monitoring in Finland (FinSig)

FinSig will use the Finnish National GNSS network ‘FinnRef’ in first-hand monitoring of the status of GNSS signal quality over Finland. A service architecture design will be developed and demonstrated, including a list of hardware, software, inter-modular communication, and system integration needs.

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GNSS survey

The project will carry out an investigation commissioned by the National Emergency Supply Agency (NESA), the final result of study will be a description of the provision and operation of GNSS services. The study surveys the supply of GNSS services and operators both in Finland and abroad and provides a description of the overall situation.

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Kaivos - Efficient and safe identification of minerals

Making Finland a global leader of sustainable mineral industry requires continuous improvement of expertise in mining indstry. Mineral extraction industry demands for fast, cost efficient and safe remote sensing methods. The Kaivos Project works on efficient and safe identification of minerals.

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Laser spectroscopy

The laser spectroscopy project utilizes a supercontinuum laser source.

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Pitkän kantaman aktiivinen hyperspektraalinen laserkeilaus (HSLidar)

The hyperspectral lidar (HSL) technology developed at the FGI produces non-contact spectral information in 3D.

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Mobile Hyperspectral Laser Remote Sensing (MobiLaser)

The aim of this project is the development of active hyperspectral LiDAR prototype.

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New techniques in active remote sensing: hyperspectral laser in environmental change detection

This project brings up novel spectroscopic and radiometric laser scanning methods to be applied in the change detection of the Boreal environment.

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Using the intensity information in laser scanning

A standard lidar survey produces a point cloud consisting of the topographic information (e.g., position in x,y,z) and the intensity (I).

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Sanna Kaasalainen

Contact person in research groups

Ongoing research groups

Remote sensing of the changing Earth – sub group

Previous research groups

Environmental research with active sensors (ActiveSensing)

Contact person in projects

Ongoing projects

ESRIUM

GIMME

GNSS-Finland Service

INCUBATE - Indoor navigations from cubesat technology

PRS Pilot Project for Demonstration (3PfD)

Real-Time AI-Supported Ore Grade Evaluation for Automated

REASON

Previous projects

GNSS signal quality monitoring in Finland (FinSig)

GNSS survey

Kaivos - Efficient and safe identification of minerals

Laser spectroscopy

Pitkän kantaman aktiivinen hyperspektraalinen laserkeilaus (HSLidar)

Mobile Hyperspectral Laser Remote Sensing (MobiLaser)

New techniques in active remote sensing: hyperspectral laser in environmental change detection

Using the intensity information in laser scanning