Departamentul de Comunicatii
HOME > PERSONAL > DEPARTAMENT : Marius Oltean
Marius Oltean    
Teaching Assistant          


adresa departament  Room B228, Second Floor
Bd. Vasile Parvan, nr. 2
300223 Timisoara, Romania
telefon  (0040) 256-40-3308
fax   
adresa email marius.oltean@etc.upt.ro






Personal Information

  • Date/Place of Birth: 14.09.1977 / Blaj, Romania

Career

  • Since January 2011: post-doc researcher at SUPELEC Gif sur Yvette, France, SSE Department.
  • Since October 2003: Assistant professor at the Department of Communication, Faculty of Electronics and Telecommunications, UPT.
  • 2006-2011: Technical Instructor at Alcatel-Lucent University, Timisoara.
  • 2005: six months stage at Ecole Nationale Superieure de Telecommunications de Bretagne, Brest, France on the field of Automatic Processing of ECG signals, project TELCARD, collaboration between ENST Bretagne and INT Paris-Evry
  • October 2002-October 2003: PhD Student at the Department of Communications, Faculty of Electronics and Telecommunications, UPT.
  • January 2002-October 2002: Engineer at the Department of Communications, Faculty of Electronics and Telecommunications, UPT.

Studies

  • Starting with January 2011, one-year post doc position at SUPELEC Gif sur Yvette, department "Signaux et Systèmes Electroniques"
    Topic: Vibration signal compression as part of a health monitoring system for the plane engines ;
  • 2010: Ph. D. in Electronics and Telecommunications, Thesis: Contributions to the optimization of radio channels transmissions, using wavelet functions [Synthesis]-coordinated by prof. Miranda Nafornita.
    Cum laude
  • Scientific referents: prof. Silviu Ciochina (POLITEHNICA University, Bucharest), prof. Corneliu Rusu (Technical University Cluj-Napoca), prof. Alexandru Isar (POLITEHNICA University, Timisoara);
  • 2003 French language Master, University “Politehnica” of Timisoara, Faculty of Electronics and Telecommunications, Section “Traitement du Signal”;
  • 1996 – 2001 University “Politehnica” of Timisoara, Faculty of Electronics and Telecommunications, Section “Communications”;
  • 1992 – 1996 "Iacob Muresianu" College of Blaj, Section “Informatics”;

Publications

Conference Papers

  1. M. Oltean, J. Picheral, E. Lahalle, H. Hamdan, "Mechanical Vibration Signal Compression by LOT-based Subband Coding", accepted to ISSPIT 2011 (IEEE), Bilbao, Spain, December 2011.
  2. J. Mountassir, D. Bojneagu, M. Oltean, A. Isar, "Denoising based blind estimation technique for orthogonal frequency division multiplex systems", accepted to ICWMCN 2011, Paris, France, 24-25 October 2011.
  3. M. Oltean, J. Picheral, E. Lahalle, H. Hamdan,"Vibration signals compression with time-frequency adaptive quantization", Proceedings of WISP 2011, Floriana, Malta, September 2011 pp.138-141.*IEEE Explore
  4. D. Bojneagu, J. Mountassir, M. Oltean, A. Isar, "A New Blind Estimation Technique for Orthogonal Modulation Communication Systems Based on Denoising. Preliminary Results", Proceedings of the 10th IEEE International Symposium on Signals, Circuits and Systems (ISSCS), July 2011, Iasi, Romania. *IEEE Explore.
  5. J. Mountassir, H. Balta, M. Oltean, M. Kovaci, A. Isar, "A physical layer simulator for WiMAX in Rayleigh fading channel", Proceedings of 6th IEEE International Symposium on Applied Computational Intelligence and Informatics (SACI), May 2011, Timisoara, Romania, pp. 281-284. *IEEE Explore.
  6. M.Oltean, I. Firoiu, "BER per Scale Performance of a Wavelet OFDM Transmission through Time and Frequency Selective Channels", proceedings of the 5th European Conference on Circuits and Systems for Communications (ECCSC-2010), November 2010, Belgrade, pp.212-215. *IEEE Explore.
  7. M. Oltean, M. Kovaci, M. Jamal, A. Isar, P. Lazar, "A physical layer simulator for WiMAX", proceedings of ISETC 2010, Timisoara, Romania, pp. 133-136. *IEEE Explore.
  8. B. Arvinti, M. Costache, D. Toader, M. Oltean, A. Isar, "ECG statistical denoising in the wavelet domain", proceedings of ISETC 2010, Timisoara, Romania, pp. 307-310. *IEEE Explore.
  9. I.E. Andor, L.Ardelean, H. Balta, M. Kovaci; M. Oltean, A. Isar, "A study of the permutation schemes used in mobile wireless communications", proceedings of ISETC 2010, Timisoara, Romania, pp. 169-172. *IEEE Explore.
  10. M. Oltean, M. Nafornita, " Wavelet OFDM Performance in Frequency Selective Fading Channels", Proceedings of IEEE International Conference Communications 2010, Bucuresti, Romania, June 10-12, ISBN: 978-1-4244-6363-3, pp. 343-346. *IEEE Explore, ISI Proceedings.
  11. M. Oltean, M. Nafornita, "Errors per Scale Statistics for a Wavelet OFDM Tansmission in Flat Fading Channels", Proceedings of WISP’09, Budapesta, August 2009, pp 119-124. *IEEE Explore, ISI Proceedings
  12. M. Oltean, A. Isar, " On the time-frequency localization of the wavelet signals, with application to orthogonal modulations" , Proceedings of ISSCS'09, Iasi, Iulie 2009, pag.173-177. *IEEE Explore, ISI Proceedings
  13. M. Oltean, "On the wavelet OFDM performance in time variant channels: choosing the number of DWT iterations", Recent Advances in Data Networks, Communications, Computers, Proceedings of the 7th WSEAS conference on Data Networks, Computers, Communications, Bucure?ti, ISSN:1790-5109, ISBN:978-960-474-020-8, pp. 85 – 90. *ISI Proceedings
  14. M. Oltean, M. Kovaci, H. Balta A. Campeanu, "Multi binary turbo-coded WOFDM in flat fading channels", Proceedings of the exploratory workshop in Signal Processing Systems for Wireless Communications Cluj-Napoca, July 2008.
  15. D. Bojneagu, H. Balta, M. Kovaci, M. Oltean, "Permutations in Communications", Proceedings of the exploratory workshop in Signal Processing Systems for Wireless Communications Cluj-Napoca, July 2008.
  16. M. Oltean, M. Nafornita, "Efficient Pulse Shaping and Robust Data Transmission Using Wavelets", Proceedings of 2007 IEEE International Symposium on Intelligent Signal Processing, Alcala de Henares, Spain, October 3-5, pp. 43-48, ISBN: 1-4244-0829-6. *IEEE Explore, ISI Proceedings
  17. M. Oltean, " Wavelet Modulation Performance in Fading Conditions", Proceedings of the Symposium Doctor ETC 2007, Timisoara, September 2007, pp. 13-18, ISBN 978-973625-494-9.
  18. M. Oltean, J.M. Boucher, A.Isar,"MAP Filtering in the Diversity-Enhanced Wavelet Domain Applied to ECG signal denoising", Proceedings of IEEE International Conference ICASSP 2006, Toulouse, France, ISBN:1-4244-0469-x, ISSN:1520-6149, pp. 1196-1199. *IEEE Explore, ISI Proceedings
  19. A.Isar, M. Oltean, M. Bora, "Denoising base-band communication signals", Proceedings of the 10th International Conference on Optimization of Electrical and Electronic Equipments OPTIM, Brasov, 2006, ISBN-973-635-702-3. *ISI Proceedings
  20. A. Isar, S. Moga, C. Nafornita, M. Oltean , I. Adam, "Image denoising using wavelet transforms with enhanced diversity", Proceedings of the 6th Conference on Communications, Bucuresti, 2006, ISBN(10) 973-718-496-3, ISBN(13) 978-973-718-496-2, pp. 161-164
  21. E. Lupea, Marius Oltean, Miranda Nafornita, "Channels equalization based on cyclic prefix", Proceedings of the 4’th International Conference RSEE’2002, Oradea, Romania, pp. 90-96.

Journal Papers

  1. M. Oltean, "A study of the multi-scale WOFDM transmission in time variant channels", International Journal of Communications, NAUN, pp. Issue 1, Vol. 2, Dec. 2008,ISSN: 1998-4480 pp. 96-105. *International Electronic Juornal of North Atlantic University Union.
  2. M. Oltean, "In depth analysis of wavelet modulation performance in flat fading channels: choosing the wavelets mother", Buletinul Stiintific al UPT, Seria Electronica si Telecomunicatii, Tom 53 (67), 2008, pp. 167-172.
  3. M. Oltean, M. Kovaci, H. Balta, A. Câmpeanu "Multi Binary Turbo Coded WOFDM Performance in Flat Rayleigh Fading Channels", Acta Technica Napocensis – Electronics and Telecommunications, Volum 29, Nr.3/2008, ISSN: 1221-6542, pp.11-16. *Publication indexed by CiteSeer, Metadex, Scirus etc.
  4. H. Balta, D. Bosneagu, M. Kovaci, M. Oltean "A Study of the Permutation Schemes Used in the Mobile WIMAX", Acta Technica Napocensis – Electronics and Telecommunications, Volum 29, Nr.3/2008, ISSN: 1221-6542, pp.17-20. *Publication indexed by CiteSeer, Metadex, Scirus etc.
  5. M. Oltean, "Wavelet OFDM Performance in Flat Fading Channels", Buletinul Stiintific al UPT, Seria Electronica si Telecomunicatii, Tom 52 (66), Fascicola 2, 2007, pp. 3-8.
  6. I. Adam, M. Oltean, M. Bora, "W A New Quasi Shift Invariant Complex Wavelet Transform", Buletinul Stiintific al UPT, Seria Electronica si Telecomunicatii, Tom 51 (65), ISSN 1583-3380, Fascicola 2, 2006, pp. 14-18.
  7. M. Oltean, V. Adafinoaiei. "ECG Signal Denoising in the Diversity Enhanced Wavelet Domain", UPT Buletinul Stiintific al UPT, Seria Electronica si Telecomunicatii, Tom 51 (65), ISSN 1583-3380, Fascicola 2, 2006, pp. 63-68.
  8. M. Oltean, A. Vesa, E. Marza "Performance Evaluation of Single-Carrier Broadband Transmission with Frequency Domain Equalization", Buletinul Stiintific al Universitatii „Politehnica” Timisoara, Seria Electronica si Telecomunicatii,Tom 49-63, Fascicola 2, 2004.
  9. M. Oltean, E. Marza, M. Nafornita "BER Performances of a Differential OFDM System in fading channels ", Buletinul Stiintific al Universitatii „Politehnica” Timisoara, Seria Electronica si Telecomunicatii, Tom 49-63, Fascicola 2, 2004.
  10. M. Oltean, "An Introduction to Orthogonal Frequency Division Multiplexing", Analele Facultatii din Oradea, Fascicola Electrotehnica, Sectiunea Electronica, 2004, ISSN 1454-9239, pp. 180-185.
  11. M. Oltean, M. Nafornita, "The cyclic prefix length influence on OFDM Transmission BER", Buletinul Stiintific al Universitatii „Politehnica” Timisoara, Seria Electronica si Telecomunicatii, Tom 48-62, Fascicola 2, 2003.
  12. M. Oltean, M. Nafornita, "Word Error Rate Statistics of a DFT-based MCM System in a FSF Channel", Buletinul stiintific al UPT tom 48 (62) Electronica si Telecomunicatii, Fascicola 1-2, 2003.
  13. E. Lupea, M. Bianu, M. Oltean, M. Salagean, M. Nafornita, "BER Performance of Frequency Selective Channels with Cyclic Prefix Based Equalizers", Buletinul Stiintific al UPT, Seria Electronica si Telecomunicatii, Timisoara, Tom 47 (61), pp. 143-150.

Research grants

National

  • director of the CNCSIS research grant "Optimization Techniques for Radio Channels Transmission" (2007-2009). Attracted funds of approx. 10000 EUR.
  • collaboration to the industrial research project "Interference modelling and cancellation in the WiMAX networks" (2008), sponsored by Alcatel-Lucent Timisoara, coordinated by prof. Al. Isar. 
  • team member of the ANCS grant "Improvement of research and development basis in the field of communications at the Faculty of Electronics and Telecommunications, Politehnica University of Timisoara", director prof. Ioan Nafornita (2007-2009).
  • member in the research team of the CNCSIS grant "Nonlinear methods and techniques used in telecommunications", director lect. Georgeta Budura (2003-2005).

International

  • member in the team of the Romanian-French international program "Brancusi" (2005-2006), director prof. Al. Isar.
    • topic: SONAR images denosing using wavelets, collaboration between POLITEHNICA University of Timisoara,  Faculty of Electronics and Telecommunications and TELECOM Bretagne, LUSSI Dept.  

Courses and labs

Courses

  • Modern Communication Techniques*, Master, Romanian and French, Since 2008
  • WiMAX Metropolitan Networks*, 4th year ETC, Since 2008

    *development and delivery

Labs & seminars

  • Modern Communication Techniques*, Master, Romanian and French, Since 2008
  • WiMAX Metropolitan Networks*, 4th year ETC, Since 2008
  • Computer Networks Architecture*, 2nd year ETC & PI, Romanian and English, Since 2006
  • Data Communications*, 3rd year ETC & PI, Romanian and English
  • Signal Processing**,2nd year ETC
  • Signals, Circuits and Systems**, 2nd and 3rd year ETC
  • Data Communication Networks*, 4th year ETC, until 2007
*development and delivery
**mostly delivery, but some contributions to development too

Research reports

  • Marius Oltean, "The use of wavelets in data transmissions", 2009, POLITEHNICA University of Timisoara, Faculty of Electronics and Telecommunications.
  • Marius Oltean, "Traitement automatique des signaux ECG - rapport de stage", 2005, TELECOM Bretagne, SC Department.  
  • Marius Oltean, "Radio channels equalization using cyclic prefix based techniques", 2005, POLITEHNICA University of Timisoara, Faculty of Electronics and Telecommunications.

Diploma projects (coordinated in 2008, 2009)

  • FPGA-based implementation of some protocols from the TCP/IP suite
    *finalized as a hardware prototype
  • A study of switching and routing on CISCO based architectures *(in English)
    *GNS-3 and Packet Tracer simulations
  • Signal generation and spectral analysis using Labview *(in English)
    *Labview simulations
  • Study and simulation of the transmission techniques used at the PHY layer in LTE
    *Matlab simulations
  • Frequency permutation strategies in IEEE 802.16. *Matlab simulations
  • Traffic analysis in a WiMAX network
    *Trafic capture and analysis in a real WiMAX network (Alcatel-Lucent University), mostly based on Wireshark.
  • The use of wavelets in data transmissions
    *Matlab simulations.
  • A study of the interference in the mobile WiMAX.
    *Matlab simulations
  • Authentication and access control in the WiMAX networks
    *Connection, traffic capture and analysis, configuration of equipments from a real WiMAX network (Alcatel-Lucent University).
  • Link adaptation in the mobile WiMAX.
    *Measurments using specific tools in avreal WiMAX network (Alcatel-Lucent University), and analysis & interpretation of these measurements.

Other Academic Activities

  • Reviewer of: Wireless Personal Communications, EURASIP Journal on Advances in Signal Processing, Scientific Bulletin of University Politehnica of Timisoara, Trans. on Electronics and Telecommunications.
  • Session chairman at the WSEAS Conference DNCOCO'08, November 2008, Bucharest, Romania and at ECCSC-2010, Belgrade, Serbia.
  • Visiting Professor at TELECOM Bretagne, France, 5 days, December 2007, in the framework of the Romanian-French program "Brancusi".
  • Participant to the exploratory workshop in Signal Processing Systems for Wireless Communications Cluj-Napoca, July 2008.
  • Delegate of the French language master to the forum "Universite et Francophonie", Iasi, March 2006.

Interests

  • Analog and Digital Signal Processing
  • Telecommunications; mainly state of the art wireless access (WiMAX, LTE)
  • Radio channels: characterization, transmission, equalization
  • Wavelets and their use in data transmissions
  • Orthogonal Frequency Division Multiplexing
  • Medical signals processing
  • TCP/IP suite

Others

  • IT responsible, Communications Department (network maintenance and debugging).
  • CO-responsible of the Communications Department website.
  • Design of the French language master website, Traitement du signal

Hobbies

  • Sports, Lecture, Fishing


Departamentul de Comunicatii
Bd. Vasile Parvan, nr. 2, 300223 Timisoara, Romania
Telefon: (0040) 256-40-3301