A-Z İndeks

Doç. Dr. Hasari ÇELEBİ
Bilgisayar Mühendisliği

Hasari ÇELEBİ
Telefon
(262) 605 22 08
E-Posta
hcelebi AT gtu dot edu dot tr
Web sayfası
http://bilmuh.gyte.edu.tr/~hcelebi/
Ofis
A2 Blok, 218
Çalışma alanları
Kablosuz Haberleşme, sinyal işleme, konum belirleme, sezim ve kestirim kuramı. Wireless Communications, Signal Processing, Localization and Positioning, Detection and Estimation Theory.

Journal Papers:

1. H. Celebi, H. Arslan, "Utilization of Location Information in Cognitive Wireless Networks", IEEE Wireless Communications Magazine-Special Issue on Cognitive Wireless Networks, vol. 14, no. 4, pp. 6-13, Aug. 2007.

2. H. Celebi, H. Arslan, "Cognitive Positioning Systems", IEEE Trans. on Wireless Communications, vol. 6, no. 12, pp. 4475-4483, Dec. 2007.

3. H. Celebi, H. Arslan, "Ranging Accuracy in Dynamic Spectrum Access Networks", IEEE Communications Letters, vol. 11, no. 5, pp. 405-407, May 2007.

4. H. Celebi, H. Arslan, "Enabling Location and Environment Awareness in Cognitive Radios", Elsevier Computer Communications-Special Issue on Advanced Location-Based Services, vol. 31, no. 6, pp. 1114-1125, April 2008.

5. H. Celebi, H. Arslan, "Cross-Modulation Interference and Mitigation Technique for Ultrawideband PPM Signaling", IEEE Trans. on Vehicular Technology, vol. 57, no. 2, pp. 847-858, March 2008.

6. S. Gezici, H. Celebi, H. Vincent Poor, H. Arslan, "Fundamental Limits on Time Delay Estimation in Dispersed Spectrum Cognitive Radio Systems", IEEE Trans. on Wireless Communications, vol.8, no. 1, pp. 78-83, Jan. 2009.

7. H. Celebi, I. Guvenc, S. Gezici, H. Arslan, "Cognitive Radio Systems for Spectrum, Location,and Environment Awareness", IEEE Antennas and Propagation Magazine, Vol. 52, issue 4, pp.41-61, Aug. 2010.

8. F. Kocak, H. Celebi, S. Gezici, K. A. Qaraqe, H. Arslan, H. Vincent Poor, "Time Delay Estimation in Dispersed Spectrum Cognitive Radio Systems", EURASIP Journal on Advances on Signal Processing-Special Issue on Advanced Signal Processing for Cognitive Radio Networks, vol. 2010, 2010.

9. S. Ekin, F. Yilmaz, H. Celebi, K. A. Qaraqe, M-S. Alouini, E. Serpedin, "Capacity Limits of Spectrum Sharing Systems Over Hyper Fading Channels", Journal of Wireless Communications and Mobile Computing, Dec. 2010.

10. K. A. Qaraqe, H. Celebi, M. Mohammad, S. Ekin, "Dispersed Spectrum Cognitive RadioSystems Over Fading Channels", EURASIP Journal on Wireless Communications and Networking, Jan. 2011.

Patents:

11. H. Celebi, H. Arslan, "Cognitive Radio Transceiver for Dispersed Spectrum Utilization", US Patent, 2011.

12. H. Celebi, H. Arslan, "Cognitive Positioning Systems", US Patent, USPTO 7,956,807, June 2011.

Book Chapters:

13. H. Arslan, H. Celebi, "Software Defined Radio Architectures for Cognitive Radios", in "Cognitive Radio, Software Defined Radio, and Adaptive Wireless Systems" book, Springer, Sept. 2007.

14. H. Arslan, H. Celebi, "Location Information Management Systems for Cognitive Wireless Networks", in "Cognitive Radio, Software Defined Radio, and Adaptive Wireless Systems" book, Springer, Sept. 2007.

15. A. Gorcin, K. A. Qaraqe, H. Celebi, H. Arslan, "Location-Aware Cognitive Communication
Systems for Public Safety", in "Telecommunications in Disaster Areas" book, River, Nov. 2010.

Conference Papers:

16. H. Celebi, M. M. Abdallah, S. I. Hussain, Khalid A. Qaraqe, M.-S. Alouini, "Time of Arrival Based Location Estimation for Cooperative Relay Networks", IEEE PIMRC, pp. 871-875, Istanbul, Turkey, Sept. 2010.

17. H. Celebi, K. A. Qaraqe, H. Arslan, "Performance Comparison of Time Delay Estimation for Whole and Dispersed Spectrum Utilization Methods in Cognitive Radio Networks", IEEE International Conference on Cognitive Radio Oriented Wireless Networks and Communications (CROWNCOM), p. 1-6, Hannover, Germany, June 2009.

18. H. Celebi, H. Arslan, "Adaptive Positioning Systems for Cognitive Radios", IEEE Symposium on New Frontiers in Dynamic Spectrum Access Networks (DySpan), April 17-20, p. 78-84, Dublin, Ireland, 2007.

19. H. Celebi, I. Guvenc, and H. Arslan, "On the Statistics of Channel Models for UWB Ranging", IEEE Sarnoff Symposium, 27-28 March 2006, Princeton, New Jersey, USA.

20. H. Celebi, M. E. Sahin, H. Arslan, J. Haque, E. R. Prado, D. P. Markell, "Ultrawideband Design Challenges for Wireless Chip-to-Chip Communications and Interconnects", IEEE Aerospace Conference, 4-11 March 2006, Big Sky, Montana, USA.

21. H. Celebi, H. Arslan, "A Data-Aided Timing Acquisition For Pulse Position Modulated UWB Signals", IEEE International Conference on Ultra-wideband (ICU), pp. 344-348,Zurich, Switzerland, 2005.

22. H. Celebi and H. Arslan, "Cross-Modulation Interference For Pulse Position Modulated UWB Signals", IEEE Military Communications Conference (MILCOM), pp. 1-7, Atlantic City, New Jersey, USA, 2005.

23. F. E. Retnasothie, M. K. Ozdemir, T. Yucek, J. Zhang, H. Celebi, R. Muththaiah, "Wireless IPTV over WiMAX: Challenges and Applications", IEEE Wireless and Microwave Conference (WAMICON), Clearwater, FL, USA, Dec. 2006. (invited paper)

24. S. Gezici, H. Celebi, H. Arslan, H. Vincent Poor, "Theoretical Limits on Time Delay Estimation
for Ultra-Wideband Cognitive Radios", IEEE International Conference on UWB (ICUWB), vol. 2, pp. 177-180, Hannover, Germany, Sep. 10-12, 2008.(invited paper)

25. F. Kocak, H. Celebi, S. Gezici, K. A. Qaraqe, H. Arslan, H. Vincent Poor, "Time Delay Estimation in Cognitive Radio Systems", IEEE workshop on Computational Advances in Multi-Channel Sensor Array Processing, Aruba, Dec. 2009. (invited paper)

26. K. A. Qaraqe, S. I. Hussain, H. Celebi, M. Abdallah, and M.-S. Alouini, "An RSS Based Location Estimation Technique for Cognitive Relay Networks", 3rd International Workshop on Cognitive Radio and Advanced Spectrum Management (CogART'10), Rome, Italy, Nov. 2010. (invited paper)

27. S. Ekin, F. Yilmaz, H. Celebi, K. A. Qaraqe, M-S. Alouini, E. Serpedin, "Achievable Capacity
for A Spectrum Sharing Systems over Hyper Fading Channels", IEEE Globecom, Honololu, Hawaii,
USA, Dec. 2009.

28. H. Celebi, K. A. Qaraqe, H. Arslan, "Performance Analysis of TOA based Range Accuracy
Adaptation for Cognitive Radio Networks", IEEE VTC-Fall, Anchorage, Alaska, USA, Feb. 2009.

29. H. Celebi, A. Gorcin, K. A. Qaraqe, H. Arslan, M-S. Alouini, A. Alsaigh, "Empirical Results
for Multidimensional Spectrum Usage", IEEE PIMRC, Tokyo, Japan, June 2009.

30. K. A. Qaraqe, H. Celebi, M-S. Alouini, L. Abuhantash, M. Al-Mulla, O. Al-Mulla, A. Jolo,
A. Ahmad, A. El-Saigh, "A Wideband Spectrum Occupancy Measurement for Indoor and Outdoor
Environments", Intl. Conf. on Communications Technologies, Riyadh, KSA, Oct. 2009.

31. A. Gorcin, K. A. Qaraqe, H. Celebi, H. Arslan, "Adaptive Thresholding for Spectrum Sensing in
Multi-Channel Cognitive Radio Networks", International Conference on Telecommunications, Doha,
Qatar, Nov. 2009.

32. K. A. Qaraqe, M. Mohammad, H. Celebi, A. El-Saigh, "The Impact of Node Distribution on
The Transport Capacity of Adhoc Dispersed Spectrum Cognitive Radio Systems", International
Conference on Telecommunications, Doha, Qatar, Oct. 2009.

33. H. Celebi, K. A. Qaraqe, "Measurement and Challenges for Practical Spectrum Sensing in Cognitive Radio Systems", IEEE 18th Signal Processing and Communications Applications Conference, Diyarbakir, April. 2010.

34. H. Celebi, and K. A. Qaraqe, "Engagement of Undergraduate Students to Advanced Research:
A Case Study", IEEE EDUCON, April, Amman, Jordan, 2011.

35. A. H. Gholamipour, A. Gorcin, H. Celebi, B. U. Toreyin, M. Saghir, F. Kurdahi, A. Eltawil, "Reconfigurable Filter Implementation of a Matched-fllter Based Spectrum Sensor for Cognitive Radio Systems", to appear in IEEE International Symposium on Circuits and Systems (ISCAS), May, Rio de Janeiro, Brazil, 2011.

36. M. B. Celebi, H. Celebi, H. Arslan, K. A. Qaraqe, "Spectrum Sensing Testbed Design for Cognitive Radio Applications", IEEE 18th Signal Processing and Communications Applications Conference, Antalya, Turkey, April, 2011.

37. N. Rahimian, H. Celebi, K. A. Qaraqe, and C. N. Georghiades, "Spatio-Temporal Measurement
and Model for Number of Occupied Channels", International Conference on Telecommunications,
Ayia Napa, Cyprus, May, 2011.

38. Z. Yin, H. Alnuweiri, A. L. N. Reddy, H. Celebi, and K. A. Qaraqe, "Improving the Performance
of Delay Based Protocol in Delivering Real Time Media via Early Retransmission", International Conference on Telecommunications, Ayia Napa, Cyprus, May, 2011.

39. A. Gorcin, H. Celebi, K. A. Qaraqe, H. Arslan, "An Autoregressive Approach on Spectrum Occupancy Modeling and Prediction Based on Synchronous Measurements", to appear in IEEE PIMRC, Toronto, Canada, Sept., 2011.

40. M. B. Celebi, H. Celebi, H. Arslan, K. A. Qaraqe, "A Bispectrum Detector for FM Modulated Wireless Microphone Signals", International Workshop on Cognitive Radio and Advanced Spectrum Management (CogART'11), Barcelona, Spain, Oct. 2011. (invited paper)

  • Doktora: Ph.D., 2008, Electrical Engineering, University of South Florida, Florida, USA
  • Yüksek lisans: M.S., 2004, Electrical Engineering, San Jose State University, California, USA
  • Lisans: B.S. 2000, Electronics and Communications Engineering, Yıldız Technical University, İstanbul, Turkey.
Professional Background:

Assistant Research Scientist, Texas A&M University at Qatar, Qatar, 2011.
Postdoctoral Research Associate, Texas A&M University at Qatar, Qatar, 2008-2011.
Adjunct Faculty, University of South Florida, Florida, USA, 2008.
Research Assistant, University of South Florida, Florida, USA, 2007.
Systems Engineer, Logus Broadband Wireless USA, Florida, USA, 2005-2007.
Teaching Assistant, University of South Florida, Florida, USA, 2004-2005.
Teaching Assistant, San Jose State University, California, USA, 2003-2004.