Journal Papers


  1. G. Çelik, H. Çelebi, H.P. Partal, E. Zeydan, I.A. Karatepe, A.S. Er, "An Experimental Study of Indoor RSS Based RF Fingerprinting Localization Using GSM and Wi-Fi Signals", submitted to Springer Wireless Personal Communications, February 2015.
  2. Gökhan Çelik, Hasari Çelebi "Theoretical Limits for Time Delay Based Location Estimation in Cooperative Relay Networks", Springer Wireless Personal Communications, pp. 2429-2448, vol. 75-4, April 2014.
  3. N. Rahimian, H. Celebi, C. N. Georghiades, K. A. Qaraqe,, "A Probabilistic Model of Spectrum Availability for OFDMA Based Cognitive Radio Systems", IEEE Communications Letters (ISI) , 1780 - 1783 pp., 2012 , DOI: 10.1109/LCOMM.2012.091712.121462.
  4. 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.
  5. 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.
  6. 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.
  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. 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.
  9. 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.
  10. 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.
  11. H. Celebi, H. Arslan, "Cognitive Positioning Systems", IEEE Trans. on Wireless Communications, vol. 6, no. 12, pp. 4475-4483, Dec. 2007.
  12. 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.
  13. H. Celebi, H. Arslan, "Ranging Accuracy in Dynamic Spectrum Access Networks", IEEE Communications Letters, vol. 11, no. 5, pp. 405-407, May 2007.

Book Chapters


  1. 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.
  2. 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.
  3. 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.

Patents


  1. H. Celebi, H. Arslan, "Cognitive Radio Transceiver for Dispersed Spectrum Utilization", US Patent, USPTO 8,064,836, Nov. 2011.
  2. H. Celebi, H. Arslan, "Cognitive Positioning Systems", US Patent, USPTO 7,956,807, June 2011.

Conference Papers


  1. G. Celik and H. Celebi, "G-CRLB Analysis of Time Delay Based Localization for Decode-and-Forward Cooperative Relay Networks in Multipath Environments", submitted to International Wireless Communications & Mobile Computing Conference.
  2. G. Celik and H. Celebi, "CRLB Analysis of Time Delay Based Location Estimation for UWB Cooperative Relay Networks in Multipath Environments", ACM MEDES 2014, Buraidah Al Qassim, Saudi Arabia, September 2014.
  3. G. Celik and H. Celebi, "Time Delay Based Location Estimation in Decode-and-Forward Cooperative Relay Network", IEEE Wireless Communication and Networking Conference (WCNC) Shanghai, China, April, 2013.
  4. M. F. Tüysüz, G. Çelik, M. R. Çelenlioglu, H. A. Mantar, "An Uninterrupted Collision-Free Channel Access Scheme over IEEE 802.11 WLANs", IEEE WCNC 2013, Shanghai, China, April, 2013.
  5. M. F. Tüysüz, G. Çelik, M. R. Çelenlioglu, H. A. Mantar, "A Novel Beacon-based Collision-Free Channel Access Mechanism over IEEE 802.11 WLANs", IEEE WCNC 2013, Shanghai, China, April, 2013.,
  6. H. B. Celebi, L. Durak-Ata, H. Celebi, "Multi-coset Sampling and Reconstruction of Signals: Exploiting Sparsity in Spectrum Monitoring", The 2013 European Signal Processing Conference (EUSIPCO-2013), Marrakech, Fas, Eylül 2013.
  7. O. Cetin, H. Nazli, R. Gurcan, H. Ozturk, H. Guneren, Y. Yelkovan, M. Cayir, H. Celebi, "An Experimental Study of High Precision TOA based UWB Positioning Systems", IEEE International Conference on Ultra-Wideband (ICUWB), pp. 357 - 361 , Syracuse, New York, ABD, September 2012.
  8. N. Rahimian, C. N. Georghiades, H. Celebi, K. A. Qaraqe, "Spectrum Availability of Secondary Users in Cognitive Radio Networks", The 8th International Wireless Communications and Mobile Computing Conference (IWCMC) pp. 360 - 365 , Limassol, Cyprus, August 2012.
  9. M. B. Celebi, H. Celebi, H. Arslan, K. A. Qaraqe, "A Bispectrum Detector for FM Modulated Wireless Microphone Signals", 4th International Conference on Cognitive Radio and Advanced Spectrum Management, pp. 45:1--45:5 , Barcelona, Spain, October 2011.
  10. H. Celebi, and K. A. Qaraqe, "Engagement of Undergraduate Students to Advanced Research: A Case Study", IEEE EDUCON, April, Amman, Jordan, 2011.
  11. 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.
  12. 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.
  13. 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.
  14. 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.
  15. 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.
  16. 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)
  17. A. Gorcin, H. Celebi, K. A. Qaraqe, H. Arslan,"A Framework on Wideband Sensing and Direction Finding for Location Aware Public Safety Cognitive Radio", IEEE WAMICON, Florida, USA, April 2011.
  18. 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.
  19. 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)
  20. 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.
  21. 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.
  22. 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.
  23. 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.
  24. 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.
  25. 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.
  26. 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.
  27. 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)
  28. 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.
  29. 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, Saudi Arabia, September 2009.
  30. 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)
  31. 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.
  32. 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.
  33. 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)
  34. 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.
  35. 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.
  36. 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.

National Proceedings


  1. H. Buyruk, A. K. Keskin, Ş. Sendil, H. Çelebi, ; H. P. Partal, Ö. İleri, E. Zeydan, S. Ergüt, "RF Parmakizi Tabanlı GSM Binaiçi Konumlandırma", 21. IEEE Sinyal İşleme ve İletişim Uygulamaları Kurultayı , 1 - 4 pp., Girne, KKTC, Nisan 2013.
  2. H. Çelebi, "Çok-Bantlı OFDM Bilişsel Radyolarda Alınan Sinyal Gücü Tabanlı Mesafe Kestirimi" ,20. IEEE Sinyal İşleme ve İletişim Uygulamaları Kurultayı, 1-4 pp., Muğla, Türkiye, Nisan 2012.
  3. H. Çelebi, and K. A. Qaraqe, "Akıllı Radyo Sistemlerinde Pratik Spektrum Algılama için Ölçüm Sonuçları ve Karşılaşılan Güçlükler", 18. IEEE Sinyal İşleme ve İletişim Uygulamaları Kurultayı , - 251 pp., Diyarbakır, Türkiye, Nisan 2010.
  4. M. B. Celebi, H. Celebi, H. Arslan, K. A. Qaraqe, "Bilişsel Radyo Uygulamaları için Tayf Sezici Deneme Ortamı", 19. IEEE Sinyal İşleme ve İletişim Uygulamaları Kurultayı, 446 - 449 pp., Antalya, Türkiye, Nisan 2011.

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