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Doctoral level

September 2010: Technical University of Iasi, ROMANIA - PhD degree with honors (CUM LAUDE) in Civil Engineering (Geodesy), for research on the applicability of the Precise Point Positioning for the rehabilitation and the modernization of local and national geodetic networks.

Master level

March 2006: Royal Institute of Technology (KTH), Stockholm, SWEDEN - Master of Science in Geodesy and Geoinformatics (GPA 4.78 out of 5.0).

June 1999: Technical University of Iasi, ROMANIA, Engineer diploma in Civil Engineering (Cadastre and Geodesy) - best overall GPA in the Faculty Rank 1 out of approximately 300 students throughout all five years of the program (GPA 9.81 out of 10.0).

Pedagogical studies

April 2013: Work-based project on educational development (7cr) organized by Aalto University Strategic Support for Research and Education.

June 2012: Teaching multicultural groups (3cr) organized by KUKO Intercultural Higher Education Staff Trainings, Haaga-Helia University of Applied Sciences, Finland.

May 2011: PedaIntro (5cr) organized by Aalto University Strategic Support for Research and Education.

Other education and training

June 18-20, 2013 - Professional training on "GNSS integrity monitoring", ENAC, Toulouse, FRANCE.

April 2-4, 2013 - Professional training on "GNSS receiver signal processing for current and future signals", European GNSS Agency, Brussels, BELGIUM.

September-December, 2012 - Leadership training organized by Aalto University (5 days).

October, 2011 - Project management training organized by Aalto University (2 days).

August 19-21, 2009 - Graduate School in Electronics, Telecommunications and Automation (GETA) summer course: "Wireless Positioning - Challenges and Solutions for Ubiquitous Navigation", Tampere University of Technology, Tampere, FINLAND.

July 20-30, 2009 - ESA International Summer School on "GNSS: A Worldwide utility", Berchtesgaden, GERMANY.

September 15-18, 2008 - Graduate School: "Photogrammetric and geodetic technologies applied to other fields of research", Helsinki, FINLAND.

June 18-24, 2006 - IGeS School: "The Determination and Use of the Geoid", Copenhagen, DENMARK.

June - July 1998: Internship within Institute of Geodesy, Photogrammetry, Mappping and Land Management - Bucharest, Romania, having done applicative works on map and cadastral map digitization, on analytical photogrammetry and other themes.

June - July 1997: Internship within "Aquaproiect" Trade Company consisted of monitoring the behavior of the water storage dam from Pascani, Iasi County, during its exploitation.


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Satellite positioning and Navigation, Surveying, Physical, Geometrical and Satellite Geodesy.


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Andrei, C-O. (2012). Cost-effective precise positioning using carrier phase navigation-grade receiver. Localization and GNSS (ICL-GNSS) 2012, IEEE Conference Publications, IEEE Xplore, June 25-27, 2012, Starnberg, Germany, ISBN: 978-1-4673-2344-4, E-ISBN: 978-1-4673-2342-0. (Download PDF version).

Andrei, C-O., M. Vermeer, H. Koivula, Y. Chen (2011). Performance analysis of high-sensitivity carrier-phase positioning using navigation-grade receiver. In Proceedings of the European Navigation Conference (ENC 2011), London, UK, 29 Nov - 1 Dec 2011. (Download PDF version).

Andrei, C-O., M. Vermeer, H. Kuusniemi, H. Koivula (2011). Evaluation of Absolute and Relative Carrier Phase Positioning using Observations from Navigation-Grade u-Blox 6T Receiver. ESA Proceedings WPP 326: Proceedings of 3rd International Colloquium on Scientific and Fundamental Aspects of the Galileo Programme, Copenhagen, Denmark, 31 August - 2 September 2011. (Download PDF version).

Andrei, C-O.(2011). Precise Point Positioning applicability for the implementation of a cadastral system in Iasi municipality. In Proceedings of GeoPreVi 2011, pages 65-78, Bucharest, Romania, May 12-13, 2011. (Download PDF version)

Andrei, C-O., D. Salazar, R. Chen (2010). Performance analysis of the Precise Point Positioning technique at BUCU IGS station. RevCAD Journal of Geodesy and Cadastre, Vol.10, pp. 9-20, ISSN 1583-2279.

Andrei, C-O. (2010). Tehnica satelitara: Pozitionare Punctuala Precisa (On the Precise Point Positioning satellite technique). Tehnopress Publishing House, Iasi, Romania, p. xxiv+218, ISBN 978-973-702-800-6 (in Romanian). Abstract in English

Andrei, C-O., D. Salazar, R. Chen (2010). Performance analysis of the Precise Point Positioning technique at BUCU IGS station. In Proceedings of GeoCAD 2010, May 14-15, Alba-Iulia, Romania, ISBN 978-973-1890-70-8 (Download PDF version)

Andrei, C-O., R. Chen, H. Kuusniemi, M. Hernandez-Pajares, J.M. Juan, D. Salazar (2009). Ionosphere Effect Mitigation for Single-frequency Precise Point Positioning. In Proceedings of 22nd International Technical Meeting of the Satellite Division (ION GNSS-2009), pages 2508-2517, September 22-25, 2009, Savannah, GA. (Download PDF version)

Chen, W., Z. Fu, R. Chen, Y. Chen, C-O. Andrei, T. Kröger, J. Wang(2009). An integrated GPS and multi-sensor pedestrian positioning system for 3D urban navigation. Urban Remote Sensing Joint Event, 20-22 May, 2009, Shanghai, China. (Download PDF version)

Andrei, C-O., R. Chen (2009). Assessment of time-series of troposphere zenith delays derived from the Global Data Assimilation System numerical weather model. GPS Solutions 13(2):109-117, ISSN 1080-5370. DOI: 10.1007/s10291-008-0104-1. (Download PDF version)

Chen, Y., Andrei, C-O., Kukko, A., Chen, R., Kaartinen, H., Hyyppä, J., Pöntinen, P., Haggren, H., Kosonen, I.(2009). Bi-trigger Synchronization Method to Enhance the Performance of Mobile Mapping System, Photogrammetric Journal of Finland 21(2):3-12, ISSN 0554-1069. (Download PDF version)

Andrei, C-O. (2009). Troposphere delay modelling using numerical weather model, Geodesian seminaariestitelmiä 2009, pages 51-66, Helsinki University of Technology, ISSN 1797-6367 (Download PDF version)

Andrei, C-O. (2008). Single-frequency Precise Point Positioning. Workshop of the 90th Anniversary FGI, Masala, Finland, November 21.

Andrei, C-O., R. Chen (2008). Assessment of tropospheric zenith path delay time series at the Romanian EUREF permanent GPS stations. RevCAD Journal of Geodesy and Cadastre, Vol.8, 89-98, ISSN 1583-2279.

Andrei, C-O., R. Chen (2007) Tropospheric Delay Estimation Based on Numerical Weather Model. RevCAD Journal of Geodesy and Cadastre, Vol.7, 87-94, ISSN 1583-2279.

Kosonen, I., Kukko, A., Capek, K., Ernvall, T., Haggrén, H., Chen, R., Chen, Y., Kaartinen, H., Andrei, C-O., Hyyppä, H., Kosonen, I., Hyyppa, J., Heikkinen, J., Nuikka, M., Pöntinen, P., Rönnholm, P., Enberg, Å. (2007) ICT-3D Transportation data acquisition by means of ICT-derived 3D-modelling, KIRARA annual Seminar, September 4-5, 2007, HTC High Tech Center, Helsinki.

Kukko, A., Andrei, C-O., Salminen, V.M., Kaartinen, H., Chen, Y., Rönnholm, P., Hyyppä, H., Hyyppä, J., Chen, R., Haggren, H., Kosonen, I., Capek, K. (2007). Road environment mapping system of the Finnish Geodetic Institute - FGI ROAMER. International Archives of Photogrammetry, Remote Sensing and Spatial Information Sciences, Volume XXXVI, Part 3/W52, pp.241-248, ISSN 1682-1777.

Ernvall, T., Kosonen, I., Capek, K., Haggren, H., Heikkinen, J., Pontinen, P, Nuikka, M., Hyyppa, J., Kaartinen, H., Kukko, A., Matikainen, L., Chen, R., Andrei, C-O., Chen, Y. (2006). Transportation data acquisition by means of ICT-derived 3D modelling, The KITARA-program of the Finnish Academy Annual Report 2006.

Andrei, C-O. (2006). 3D affine coordinate transformations, Royal Institute of Technology, TRITA-GIT EX 06-004, No. 3091, March, Stockholm, Sweden.

More TBW


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June 2006 - February 2008: Finnish Geodetic Institute

June 18-24, 2006: International Association of Geodesy grant.

August 2004 - January 2006: Swedish Institute.

October 1994 - June 1999: Ministry of National Education of Romania.


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Current position

December 2010 - present: postdoctoral researcher at the Aalto University School of Engineering, Department of Real Estate, Planning and Geoinfomtics. Responsible teacher for the following subjects: Engineering Geodesy, GIS and Geodetic measurements, Statistical methods in geodesy, and Seminar course in Geodesy, Navigation and Positioning.

Previous research and teaching appointments

January 2009 - November 2010: senior research scientist at the Finnish Geodetic Institute, Department of Navigation and Positioning, various tasks in the system implementation part (WP330) of the "3D-Personal Navigation and Location-Based Service for the World Exposition in Shanghai in 2010" project, funded by the Finnish Funding Agency for Technology and Innovation (TEKES).

January 30 - March 1, 2009: guest researcher at gAGE, Technical University of Catalonia (UPC), Barcelona, SPAIN. The topic of my visit was: Ionosphere effect mitigation for single-frequency Precise Point Positioning.

April - August 2008: site manager, responsible with the operation and maintenance of the EGNOS RIMS station in Finland in cooperation with ESSP(European Satellite Service Provider). More here.

June 2006 - December 2008: researcher scientist at Finnish Geodetic Institute, Department of Navigation and Positioning, responsible with the geo-referencing solution for the mobile mapping systems as part of "Transportation data acquisition by means of ICT-derived 3D-modelling" project, funded by the Academy of Finland.

November 2005 - March 2006: teaching assistant at the Division of Geodesy, Royal Institute of Technology (KTH), Stockholm, responsible of all exercises in "Analysis of measurements", "Advanced Theory of Errors" and "Physical Geodesy".

October 1999 - August 2004: teaching assistant at the Department of Cadastre at Technical University of Iasi, responsible with practical applications, exercises, and seminars for following subjects: "Theory of errors", "Surveying", and "Applied Geodesy".

Other professional experience

August 2002 - August 2004: manager and team leader of the Geodesy and Surveying Division at the Topo Geo Cad SRL, Iasi, Romania.

January - December 2001: technical member in the commission within Technical University of Iasi, in order to place the real-estate properties belonging to Technical University of Iasi, under cadastral database and juridical registration in Land Register.

May 2000: technical member in a contract with the City Council of Iasi under the title "Testing the Tudor Vladimirescu's Bridge of Iasi City in Static State and Dynamic State Conditions. Measurement of Arrows by accurate Geodetic Measurements".


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Conference Organization and Session Chairing

Expert and reviewer tasks

Journal Reviewer



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Sepember (2010): "Contributions to the expanding and modernization of the geodetic networks using GPS technology for the implementation of the urban cadastre" - PhD Thesis in civil engineering, Technical University of Iasi, Romania.

December (2008): Graduate shool seminar: "Single-frequency Precise Point Positioning", Helsinki University of Technology, Finland.

May (2007): Advance geodesy project: "Tropospheric delay modelling using numerical weather models".

March (2006): "3D affine coordinate transformations" - master thesis in geodesy.

August (2005): Satellite Gravimetry project: "Gravity field and steady state Ocean Circulation Explorer Mission".

April (2005): Advanced Theory of Errors project: "Analysis of geodetic networks using simulated observation".

Grant Project (2004): Rehabilitation and modernization of the geodetic networks of the cities using GPS technology in order to carry out and implement urban cadastre.

Diploma Project (1999): Statistical analysis on the adjustment of trilateration-triangulation network.


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Romanian: Native Language.

English: Advanced Level (read, write, speak).

Others: Finnish (Advanced Beginners Level), Swedish(Elementary), Spanish(elementary)


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Advanced (Windows, Linux, Office).

Intermediar (MATLAB, C/C++, Latex, AutoCAD).

Basic (Python, Java, Trimble Total Control, Leica SkiPRO, Bernese).

GNSS receivers (Ashtech, Leica, NovAtel, Trimble, u-blox), Inertial Systems (NovAtel SPAN).


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Sport, Travelling, Nature, Friends, Cuisine.


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Upon request.

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