Otto Friedrich Stefa Koudelka

Univ.-Prof. Dipl.-Ing. Dr.techn.

1984 …2022
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Research Output 1984 2019

2006

Extended Gardner Detector for Improved Symbol-Timing Recovery of M-PSK Signals

Gappmair, W., Cioni, S., Corazza, G. E. & Koudelka, O., 2006, In : IEEE transactions on communications. 54, 11, p. 1923-1927

Research output: Contribution to journalArticleResearchpeer-review

Importance of Optical Wireless Systems in European Networks

Leitgeb, E., Sheikh Muhammad, S., Chlestil, C., Gebhart, M., Javornik, T., Kandus, G., Jelovcan, I., Birnbacher, U., Koudelka, O. & Kogler, W., 2006, 15th IST Mobile & Wireless Communications Summit. ., p. 354-360

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Moment-Based SNR Estimation of Signals with Non-Constant Envelope

Gappmair, W. & Koudelka, O., 2006, Proceedings of the 3rd Advanced Satellite Mobile Systems Conference. p. 301-304

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Report on DVB-T Platforms in DICE Member Countries

Koudelka, O. & Schrotter, P., 2006, Berlin: .

Research output: Book/ReportOther reportResearch

Satellite Channel Emulator implemented on a Software Radio Platform

Kogler, W., Brutti, A., Schmidt, M. & Koudelka, O., 2006, Proceedings of the Ka and Broadband Communications Conference. ., p. 103-110

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Symbol Rate Estimation with Inverse Fourier Transforms

Flohberger, M., Kogler, W., Gappmair, W. & Koudelka, O., 2006, Proceedings of the 2nd International Workshop on Satellite and Space Communications. IEEEXplore, p. 110-113

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Symbol-Timing Recovery with Gardner Synchronizers Applied to Different Nyquist-I Pulses

Gappmair, W., Holzleitner, J. & Koudelka, O., 2006, Proceedings of the 15th IST Mobile and Wireless Communications Summit. p. 832-836

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

TUGSAT-1/BRITE-AUSTRIA - The first Austrian Nanosatellite

Koudelka, O., Egger, G., Josseck, B., Deschamps, N., Grant, C., Foisy, D., Zee, R., Weiss, R., Kuschnig, R., Scholtz, A. L. & Keim, W., 2006, (Accepted/In press) Proc. IAF Congress. .

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

TUGSAT-1/BRITE-AUSTRIA - The first Austrian Nanosatellite

Koudelka, O., Egger, G., Josseck, B., Deschamps, N., Grant, C., Foisy, D., Zee, R., Weiss, W., Kuschnig, R., Scholtz, A. L. & Keim, W., 3 Oct 2006.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

2007

Exact Analysis of Different Detector Algorithms for NDA Carrier Phase Recovery of 16-APSK Signals

Gappmair, W., Cioni, S., Vanelli-Coralli, A. & Koudelka, O., 2007, Proceedings of the 3rd International Workshop on Satellite and Space Communications. IEEEXplore, p. 51-55

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Improved Self-Noise Performance of Gardner Synchronizers for Bandwidth-Efficient M-PSK Signals

Flohberger, M., Gappmair, W. & Koudelka, O., 2007, Proceedings of the 3rd International Workshop on Satellite and Space Communications. IEEEXplore, p. 89-91

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Moment-Based Estimation of the Signal-to-Noise Ratio for Oversampled Narrowband Signals

Gappmair, W., Flohberger, M. & Koudelka, O., 2007, Proceedings of the 16th IST Mobile and Wireless Communications Summit. IEEEXplore, p. C4.1-1-C4.1-4

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Multiuser Satellite Communications

Vázquez Castro, M. A., Bitó, J., Ebert, J., Héder, B., Kokkalis, N. V., Koudelka, O., Mathiopoulos, P. T., Morosi, S., Novák, C., Quddus, A., Seco Granados, G. & Vanelli-Coralli, A., 2007, Digital Satellite Communications. 1 ed. New York, NY: Springer, p. 367-415 (Information Technology: Tansmission, Processing, and Storage).

Research output: Chapter in Book/Report/Conference proceedingChapterResearch

Reed Solomon coded PPM for Terrestrial FSO Links

Sheikh Muhammad, S., Javornik, T., Jelovcan, I., Leitgeb, E. & Koudelka, O., 2007, International Conference on Electrical Engineering 2007 (ICEE 2007). ., p. 85-89

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

SARONTAR Final Report

Aichhorn, K., Hofmann-Wellenhof, B., Ranner, H-P., Ofenheimer, A., Schardt, M., Prüller, R., Bartelme, N., Koudelka, O. & Schrotter, P., 2007, .

Research output: Book/ReportOther reportResearch

SCENARIOS FOR SATELLITE CHANNEL EMULATOR

Kogler, W., Schmidt, M. & Koudelka, O., 2007, International Astronautical Federation Congress. ., p. 1-5

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Timing Synchronization in MF-TDMA Systems for Geostationary Satellites

Kogler, W., Schlemmer, H. & Koudelka, O., 2007, In : IEEE communications magazine. 45;12, p. 36-42

Research output: Contribution to journalArticleResearchpeer-review

VHDL based FPGA implementation of 256-ary PPM for Free Space Optical Links

Sheikh Muhammad, S., Brandl, P., Leitgeb, E. & Koudelka, O., 2007, 9th International Conference on Transparent Optical Networks (ICTON). ., p. 174-177

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

VoIP Quality Assessment in Satellite Systems

Koudelka, O., Schlemmer, H. & Schmidt, M., 2007, IAC2007. ., p. 1-8

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

2008

An Airborne Platform for Disaster Management Using Advanced Satellite Communications

Koudelka, O., Romano, P., Schrotter, P., Kogler, W., Schmidt, M. & Schardt, M., 2008, Proceedings of the International Astronautical Congress. ., p. 0-0

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

An Airborne Platform for Disaster Management Using Advanced Satellite Communications

Koudelka, O., Romano, P., Schrotter, P., Kogler, W., Flohberger, M., Schmidt, M. & Schardt, M., 30 Sep 2008.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Comparing the rain effects on hybrid network using optical wireless and GHz links

Nadeem, F., Leitgeb, E., Koudelka, O., Javornik, T. & Kandus, G., 2008, International Conference on Emerging Technologies. ., p. 156-161

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Diurnal variations based fog attenuations analysis of an optical wireless link

Saleem Awan, M., Capsoni, C., Koudelka, O., Leitgeb, E., Nadeem, F. & Khan, M. S., 2008, Proceedings of IEEE PhotonicsGlobal. ., p. 78-83

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Feasibility study for a future Austrian lightning nano-satellite

Schwingenschuh, K., Jaffer, G., Koudelka, O., Khan, S., Grant, C., Unterberger, M., Lichtenegger, H., Macher, W. & Hausleitner, W., 2008, 37th COSPAR Scientific Assembly. ., p. 2794-2794

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Moment-Based Estimation of the Signal-to-Noise Ratio for Oversampled Narrowband Signals

Gappmair, W., Flohberger, M. & Koudelka, O., 2008, Advances in Mobile and Wireless Communications. 1 ed. Berlin [u.a.]: Springer, Vol. 16. p. 137-148 (Lecture Notes in Electrical Engineering).

Research output: Chapter in Book/Report/Conference proceedingChapterResearch

Open-Loop Analysis of an Error Detector for Blind Symbol Timing Recovery Using Baud-Rate Samples

Flohberger, M., Gappmair, W. & Koudelka, O., 2008, Proceedings of the 4th International Workshop on Satellite and Space Communications. IEEEXplore, p. 176-180

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

SARONTAR II Midterm Report

Ranner, H-P., Hofmann-Wellenhof, B., Aichhorn, K., Fösleitner, C., Koudelka, O., Schrotter, P., Trieb, M., Vössner, S., Lichtenegger, G. C., Schardt, M., Bartelme, N. & Prüller, R., 2008, .

Research output: Book/ReportOther reportResearch

The Detection of Sferics by a Nanosatellite

Koudelka, O., Jaffer, G., Unterberger, M., Valavanoglou, N., Schwingenschuh, K. & Eichelberger, H., 2008, (Accepted/In press) International Astronautical Federation Congress. .

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

The Detection of Sferics by a Nanosatellite

Koudelka, O., Jaffer, G., Unterberger, M., Valavanoglou, N., Schwingenschuh, K. & Eichelberger, H., 30 Sep 2008.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Time transfer with nanosecond accuracy for the realization of International Atomic Time

Piester, D., Bauch, A., Breakiron, L., Matsakis, D., Blanzano, B. & Koudelka, O., 2008, In : Metrologia. 45, p. 185-198

Research output: Contribution to journalArticleResearchpeer-review

TUGSAT-1: The First Austrian Satellite

Koudelka, O., 2008, Nationales Weltraumrecht/National Space Law - Development in Europe - Challenges for Small Countries. 1 ed. Wien-Köln-Weimar: Böhlau Verlag, Vol. 91. p. 133-147 (Studien zu Politik und Verwaltung).

Research output: Chapter in Book/Report/Conference proceedingChapterResearch

2009

Developments Towards an Interplanetary Internet

Romano, P., Schrotter, P., Koudelka, O. & Wittig, M., 11 Sep 2009.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Developments Towards an Interplanetary Internet

Romano, P., Schrotter, P., Koudelka, O. & Wittig, M., 2009, (Accepted/In press) Proceedings of the IEEE 5th International Workshop on Satellite and Space Communications. .

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Dossier on Interplanetary Internet Developments and Benefits/Additional Requirements of the Interplanetary Internet

Romano, P., Schrotter, P., Bergmann, M. & Koudelka, O., 2009, .

Research output: Book/ReportCommissioned reportResearch

Generic Communication User and System Requirements for Future Space Science Missions

Bergmann, M., Romano, P., Koudelka, O. & Wittig, M., 2009, Proceedings of the IEEE 5th International Workshop on Satellite and Space Communications. ., p. 295-299

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Implementation of the Miller-Urey Experiment in Space

Koudelka, O., Finsterbusch, R., Kropiunig, C., Greschitz, E., Plucinski, W., Blanzano, B., Preud'Homme, F., Rosiers, P., Kufner, E. & Melville, N., 2009, Proceedings IAC2009. Paris: IAF, p. A.1.5.2.-1-A.1.5.2.8

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

Innovative Concepts for the Creation of Space Networks Relying on Hybrid RF and Optical Communication Links

Bergmann, M., Romano, P., Plank, T., Schrotter, P. & Koudelka, O., 2009, (Accepted/In press) Proceedings of the 60th International Astronautical Congress. .

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Interplanetary Communication Requirements Document

Bergmann, M., Plank, T., Romano, P., Schrotter, P., Koudelka, O. & Leitgeb, E., 2009, .

Research output: Book/ReportCommissioned reportResearch

Next-Generation Communication Protocol Concepts for Future Nanosatellite Constellations

Romano, P., Unterberger, M. & Koudelka, O., 2009, (Accepted/In press) Proceedings of the 60th International Astronautical Congress. .

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

SARONTAR II Final Report

Hofmann-Wellenhof, B., Ranner, H-P., Aichhorn, K., Fösleitner, C., Schardt, M., Prüller, R., Bartelme, N., Koudelka, O., Schrotter, P., Trieb, M., Lichtenegger, G. C., Vössner, S. & Brandstätter, H., 2009, .

Research output: Book/ReportOther reportResearch

2010

A Lightning Detector Onboard Austrian Nanosatellite (LiNSAT)

Jaffer, G., Eichelberger, H., Koudelka, O. & Schwingenschuh, K., 2010.

Research output: Contribution to conferencePosterResearch

An online and real-time virtual ground station for small satellites

Jaffer, G., Nader, R., Koudelka, O. & Mushtaq, M. T., 21 Sep 2010.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Code-Aware Joint Estimation of Carrier Phase and SNR for Linear Modulation Schemes

Bergmann, M., Gappmair, W., Schlemmer, H. & Koudelka, O., 2010, Proceedings of the 5th Advanced Satellite Mobile Systems Conference. IEEEXplore, p. 177-182

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

CRLB and ML Algorithm for Joint Recovery of Carrier Phase and IQ Imbalance

Gappmair, W. & Koudelka, O., 2010, Proceedings of the 7th International Symposium on Communication Systems, Networks and Digital Signal Processing. IEEEXplore, p. 96-100

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Exact Analysis of Different Detector Algorithms for NDA Carrier Phase Recovery of 16/32-APSK Signals

Gappmair, W., Cioni, S., Vanelli-Coralli, A. & Koudelka, O., 2010, In : European transactions on telecommunications. 21, 2, p. 154-166

Research output: Contribution to journalArticleResearchpeer-review

LiNSAT: Austrian lightning nanosatellite

Jaffer, G., Eichelberger, H., Schwingenschuh, K. & Koudelka, O., 2010.

Research output: Contribution to conferencePosterResearch

Luftgestützte Low-Cost-Aufnahmeplattform zur Unterstützung von Katastropheneinsätzen

Schardt, M., Raggam, H., Wack, R., Ofner, M., Gutjahr, K. & Koudelka, O., 2010, 3-Ländertagung (DGPF - OVG - SGPBF), Österreich, Wien, TU Wien, 1.-3. Juli 2010. ., p. 0-0

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Modulation Classifier for Signals Used in Satellite Communications

Flohberger, M., Gappmair, W. & Koudelka, O., 2010, Proceedings of the 5th Advanced Satellite Mobile Systems Conference. IEEEXplore, p. 198-202

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

New telemetry system design for future nanosatellite missions

Unterberger, M., Romano, P. & Koudelka, O., 1 Oct 2010.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

New telemetry system design for future nanosatellite missions

Unterberger, M., Romano, P. & Koudelka, O., 2010, (Accepted/In press) Proceedings of the 61st International Astronautical Congress. .

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review