Marco Krondorf

Dr.-Ing. Marco Krondorf

		Postal Address:	Technische Universität Dresden Fakultät Elektrotechnik Vodafone Stiftungslehrstuhl Mobile Nachrichtensysteme D-01062 Dresden, Germany
		Visit Address:	Barkhausenbau, Zimmer Room II 17C Helmholtzstraße 18 01069 Dresden
		Phone:	+49 351 463 41076
		Fax:	+49 351 463 41099
		e-mail:	krondorf@ifn.et.tu-dresden.de

Scientific Interests

Synchronization and Channel Estimation in MIMO OFDM Systems
Spectrum Sensing for Cognitive Radio
Stochastic Analysis of Cellular Communication Systems

Education - Vitae

2010 INRADIOS GmbH, Founder www.inradios.com
2009 PhD, Technische Universität Dresden, OFDM Performance Evaluation Methodology
2005 Diploma (Master Degree) Technische Universität Dresden, Vodafone Chair
2004 Internship at Siemens AG München, COM MD CTO TI 9, Software Development and Application Design
2000 Information System Technology at Technische Universität Dresden
1999 Abitur (High School) at G.-E.-Lessing-Gymnasium Döbeln

Courses

NT Seminar SS 2006: Spectral Analysis – Methoden der Spektralschätzung
NT Seminar WS 2006: An Introduction into Queueing Theory
NT Seminar WS 2007: An Introduction into Game Theory

Publications

Journal Papers

M. Krondorf and G. Fettweis.
Numerical Performance Evaluation for Alamouti Space Time Coded OFDM under Receiver Impairments.
Article accepted for publication in IEEE Transactions on Wireless Communications, February 2009.

M. Krondorf and G. Fettweis.
OFDM Link Performance Analysis under Various Receiver Impairments.
Article appeared in EURASIP Journal on Wireless Communications and Networking, Hindawi Publishing Corporation, 2007.

M. Krondorf, T.-J. Liang, M. Goblirsch and G. Fettweis.
Algorithms and Applications of Channel Impulse Response Length Estimation for MIMO-OFDM.
Article appeared in European Transactions on Telecommunications (ETT), article published in ETT by John Wiley and Sons, Ltd. 2007

T.-J. Liang und M. Krondorf.
Hohe Datenraten mit Mehrfach-Antennen.
Article appeared in Funkschau, Vol. 24/2007, WEKA FACHMEDIEN GmbH, 85586 Poing, 23. November 2007.

Conference Papers

M. Krondorf and G. Fettweis

Carrier Frequency dependent Downlink Spectral Efficiency of Cellular LTE Deployments.

Accepted for publication at IEEE ICC’09, Dresden, Germany.

A. Frotzscher, M. Krondorf and G. Fettweis

On the performance of OFDM in zero-IF receivers impaired by Tx Leakage.

Accepted for publication at IEEE ICC’09, Dresden, Germany.

G. Fettweis, M. Krondorf and S. Bittner

GFDM – Generalized Frequency Division Multiplexing.

Invited paper at IEEE VTC Spring’09, Barcelona, Spain, May 2009.

S. Bittner, M. Krondorf and G. Fettweis.
Numerical Performance Evaluation of OFDM Systems affected by Transmitter Nonlinearities, Phase Noise and Channel Estimation Errors.
In Proceedings IEEE Globecomm’08, New-Orleans, USA, 2008.

M. Krondorf, S. Bittner and G. Fettweis.
Numerical Performance Evaluation for OFDM Systems affected by Phase Noise and Channel Estimation Errors.
In Proceedings of the 68th IEEE Vehicular Technology Conference (VTC'08), Calgary, Canada, 21. - 24. September 2008,

M. Krondorf and G. Fettweis.
Carrier Frequency dependent Throughput Analysis for impaired OFDM Links under User Mobility.
in Proceedings of the IEEE International Symposium On Personal, Indoor And Mobile Radio Communications (PIMRC'08), Cannes, France, 15. - 18. September 2008.

M. Krondorf, S. Bittner and G. Fettweis.
On the joint Effect of Phase Noise and User Mobility on the Carrier Frequency dependent Performance of OFDM Links.
In Proceedings of the 11th International Symposium on Wireless Personal Multimedia Communications (WPMC'08), Lapland. Finland, 08. - 11. September 2008.

A. Frotzscher, M. Krondorf and G. Fettweis.
On the Performance of OFDM downlink FDD channels under Tx Leakage using zero-IF receivers.
In Proceedings of the 13th International OFDM Workshop, Hamburg, Germany, 27. - 28. August 2008.

M. Krondorf, T.-J. Liang and G. Fettweis.
Adaptive OFDM PHY Techniques for Cognitive Radio Spectrum Management.
In Proceedings of the IEEE Communications’08, Bucharest, Romania, 05. - 07. June 2008.

M. Krondorf and G. Fettweis.
Numerical Performance Evaluation of impaired OFDM Links using Alamouti Space Time Coding.
In Proceedings of the IEEE International Conference on Communications (ICC'08), Beijing, China, 19. - 23. May 2008.

M. Krondorf, T.-J. Liang and G. Fettweis.
On Synchronization of Opportunistic Radio OFDM Systems.
In Proceedings of IEEE VTC Spring 2008, Singapore, May 2008.

M. Krondorf and G. Fettweis.
Symbol Error Rate Calculation for Alamouti Space Time Coded OFDM in Direct Conversion Receivers.
In Proceedings of IEEE Globecom 2007, Washington DC, USA, November 2007.

M. Krondorf, F. Diehm and G. Fettweis.
Performance Analysis of Alamouti Space Time Coded OFDM under various Receiver Impairments.
In Proceedings of Int. OFDM Workshop 2007, Hamburg, Germany, 30. - 31. August 2007.

M. Krondorf and G. Fettweis.
Bit Error Rate Calculation for OFDM Direct Conversion Receivers with Synchronization and Channel Estimation Imperfections.
In Proceedings of IST Mobile Summit 2007, Budapest, Hungary, 01. - 04. July 2007.

M. Krondorf, T.-J. Liang and G. Fettweis.
Symbol Error Rate of OFDM Systems with Carrier Frequency Offset and Channel Estimation Error in Frequency Selective Fading Channels.
In Proceedings of ICC 2007 WCS, Glasgow, Scotland, 24. - 27. June 2007.

M. Krondorf and G. Fettweis.
Bit Error Rate Calculation for OFDM with Synchronization Errors in Time and Frequency Selective Fading Channels.
In Proceedings of 13th European Wireless Conference (EW'07), Paris, France, 01. - 04. April 2007.

M. Krondorf, T.-J. Liang, R. Irmer and G. Fettweis.
Improved Channel Estimation for complexity-reduced MIMO-OFDM Receiver by Estimation of Channel Impulse Response Length.
In Proceedings of the 12th European Wireless Conference (EW'06), Athens, Greece, 02. - 05. April 2006.

M. Krondorf and G. Fettweis
Channel matched Receiver for Throughput Enhancement in OFDM.

In Proceedings of WPMC 2006, 17 - 20 September 2006, San Diego.

M. Krondorf and G. Fettweis.
Throughput Enhancement for MIMO OFDM using Frequency Domain Channel Length Indicator and Guard Interval Adaptation.
In Proceedings of 3rd International Symposium on Wireless Communication Systems 2006, 6 - 8 September 2006, Valencia (Spain).

M. Krondorf and G. Fettweis.
Optimized Receiver for Guard Interval free OFDM.

In Proceedings of 11^th International OFDM Workshop 2006, 30 - 31 August 2006, Hamburg.

White Papers

M. Krondorf, T. Thilakawardana, K. Moessner, X. Wang, A. Gameiro, P. Marques, D. Morche, B. Bochow, M. Dohler and A. Kountouris.
ORACLE – Opportunistic Radio Communications in Unlicensed Environments.
Online available an http://www.ist-oracle.org, 2007.

Projects

ORACLE: Opportunistic Radio Communications in Unlicensed Environments, ORACLE homepage
Digital Divident and Broadband in Rural Areas – Study for the Saxonian Ministry of Environment and Agriculture
EASY-A: Enablers for Ambient Services and Systems, 60 GHz short range communications

Supervised Theses

Chao Zhang: Analysis of the Effects of Synchronization Error in MIMO-based WLAN Systems.
Fabian Diehm: Untersuchung des Einflusses der Analog-Digital-Wandlung auf die Performance von OFDM Systemen
Markus Unger: Zeitfrequenzanalyse zur Klassifikation von LPI Signalen
Martin Wilske: Fixed Point Implementierung eines UWB OFDM Empfängers
Eric Wünsche: FPGA Implementierung eines UWB OFDM Senders
Nadir Khan: AGC, Filtering and NCO for Satellite Communications
Kai Rücknagel: Synchronization Algorithms for Satellite Communications

Scientific Interests

Education - Vitae

Courses

Publications

Journal Papers

M. Krondorf and G. Fettweis. Numerical Performance Evaluation for Alamouti Space Time Coded OFDM under Receiver Impairments. Article accepted for publication in IEEE Transactions on Wireless Communications, February 2009.

M. Krondorf and G. Fettweis. OFDM Link Performance Analysis under Various Receiver Impairments. Article appeared in EURASIP Journal on Wireless Communications and Networking, Hindawi Publishing Corporation, 2007.

M. Krondorf, T.-J. Liang, M. Goblirsch and G. Fettweis. Algorithms and Applications of Channel Impulse Response Length Estimation for MIMO-OFDM. Article appeared in European Transactions on Telecommunications (ETT), article published in ETT by John Wiley and Sons, Ltd. 2007

T.-J. Liang und M. Krondorf. Hohe Datenraten mit Mehrfach-Antennen. Article appeared in Funkschau, Vol. 24/2007, WEKA FACHMEDIEN GmbH, 85586 Poing, 23. November 2007.

Conference Papers

M. Krondorf, S. Bittner and G. Fettweis. Numerical Performance Evaluation for OFDM Systems affected by Phase Noise and Channel Estimation Errors. In Proceedings of the 68th IEEE Vehicular Technology Conference (VTC'08), Calgary, Canada, 21. - 24. September 2008,

M. Krondorf and G. Fettweis. Carrier Frequency dependent Throughput Analysis for impaired OFDM Links under User Mobility. in Proceedings of the IEEE International Symposium On Personal, Indoor And Mobile Radio Communications (PIMRC'08), Cannes, France, 15. - 18. September 2008.

M. Krondorf, T.-J. Liang and G. Fettweis. Adaptive OFDM PHY Techniques for Cognitive Radio Spectrum Management. In Proceedings of the IEEE Communications’08, Bucharest, Romania, 05. - 07. June 2008.

M. Krondorf and G. Fettweis. Numerical Performance Evaluation of impaired OFDM Links using Alamouti Space Time Coding. In Proceedings of the IEEE International Conference on Communications (ICC'08), Beijing, China, 19. - 23. May 2008.

M. Krondorf, T.-J. Liang and G. Fettweis. On Synchronization of Opportunistic Radio OFDM Systems. In Proceedings of IEEE VTC Spring 2008, Singapore, May 2008.

M. Krondorf and G. Fettweis. Symbol Error Rate Calculation for Alamouti Space Time Coded OFDM in Direct Conversion Receivers. In Proceedings of IEEE Globecom 2007, Washington DC, USA, November 2007.

M. Krondorf, F. Diehm and G. Fettweis. Performance Analysis of Alamouti Space Time Coded OFDM under various Receiver Impairments. In Proceedings of Int. OFDM Workshop 2007, Hamburg, Germany, 30. - 31. August 2007.

M. Krondorf and G. Fettweis. Bit Error Rate Calculation for OFDM Direct Conversion Receivers with Synchronization and Channel Estimation Imperfections. In Proceedings of IST Mobile Summit 2007, Budapest, Hungary, 01. - 04. July 2007.

M. Krondorf, T.-J. Liang and G. Fettweis. Symbol Error Rate of OFDM Systems with Carrier Frequency Offset and Channel Estimation Error in Frequency Selective Fading Channels. In Proceedings of ICC 2007 WCS, Glasgow, Scotland, 24. - 27. June 2007.

M. Krondorf and G. Fettweis. Bit Error Rate Calculation for OFDM with Synchronization Errors in Time and Frequency Selective Fading Channels. In Proceedings of 13th European Wireless Conference (EW'07), Paris, France, 01. - 04. April 2007.

M. Krondorf, T.-J. Liang, R. Irmer and G. Fettweis. Improved Channel Estimation for complexity-reduced MIMO-OFDM Receiver by Estimation of Channel Impulse Response Length. In Proceedings of the 12th European Wireless Conference (EW'06), Athens, Greece, 02. - 05. April 2006.