Journal Papers
  1. F. Naeem, M. Qaraqe, H. Çelebi, "Optimal Placement and Phase-Shift of Intelligent Reflecting Surface in 6G-Enabled Multi-IRS Networks: Experience Driven Approach", submitted to IEEE Trans on Vehicular Technology, Jan. 2022.
  2. H. Celebi, “A Dual-Radio Hybrid Mesh Topology for Multi-Hop Industrial IoT Networks in Harsh Environments”, to appear in Balkan Journal of Electrical and Computer Engineering, 2022.
  3. G. Çelik, H. Çelebi, "User Fairness for RSS Based Positioning in Uplink Cooperative NOMA", IET Communications, 10 pp., 2019 , DOI:10.1049/iet-com.2019.0102.
  4. G. Çelik, H. Çelebi, "TOA positioning for uplink cooperative NOMA in 5G networks", Elsevier Physical Communication, 9 pp., Vol. 36, Oct. 2019, 100812, DOI: 10.1016/j.phycom.2019.100812.
  5. G. Celik, A. Aitalieva, H. Celebi, and M. Uysal, “A Software Defined Radio Based Data Link Design for VHF Band Wireless Sensor Networks”, Elsevier Physical Communication, vol. 30, p. 167-178, October 2018, DOI: 10.1016/j.phycom.2018.08.007.
  6. 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", Turkish Journal of Electrical Engineering & Computer Sciences, 2727-2736 pp., Vol. 25, 2017 , DOI: 10.3906/elk-1601-94.
  7. G. Çelik, H. Çelebi, "Theoretical Limits for Time Delay Based Location Estimation in Cooperative Relay Networks", Wireless Personal Communications, p. 1-20, 2013 , DOI: 10.1007/s11277-013-1475-3.
  8. K. A. Qaraqe, H. Celebi, M. Mohammad, S. Ekin, "Performance Analysis of Ad Hoc Dispersed Spectrum Cognitive Radio Networks over Fading Channels", EURASIP Journal on Wireless Communications and Networking, 10 pp., 2011 , DOI: doi:10.1155/2011/849105.
  9. S. Ekin, F. Yilmaz, H. Celebi, K. A. Qaraqe, M.-Slim Alouini, E. Serpedin, "Capacity limits of spectrum-sharing systems over hyper-fading channels", Wireless Communications and Mobile Computing, 1471–1480 pp., 2012 , DOI: 10.1002/wcm.1082.
  10. 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 in Signal Processing, 10 pp., 2010 , DOI: doi:10.1155/2010/67595.
  11. 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, 1780 - 1783 pp., 2012 , DOI: 10.1109/LCOMM.2012.091712.121462.
  12. H. Celebi, i. Guvenc, S. Gezici, H. Arslan, "Cognitive-Radio Systems for Spectrum, Location, and Environmental Awareness", IEEE Antennas and Propagation Magazine , 41 - 61 pp., 2010 , DOI: 10.1109/MAP.2010.5638235.
  13. S. Gezici, H. Celebi, H. Vincent Poor, H. Arslan, "Fundamental Limits on Time Delay Estimation in Dispersed Spectrum Cognitive Radio Systems", IEEE Transactions on Wireless Communications, 78 - 83 pp., 2009 , DOI: 10.1109/T-WC.2009.080104.
  14. H. Celebi, H. Arslan, "Ranging Accuracy in Dynamic Spectrum Access Networks", IEEE Communications Letters , 405-407 pp., 2007 , DOI: 10.1109/LCOMM.2007.070345.
  15. H. Celebi, H. Arslan, "Cross-Modulation Interference and Mitigation Technique for Ultrawideband PPM Signaling", IEEE Transactions on Vehicular Technology, 847 - 858 pp., 2008 , DOI: 10.1109/TVT.2007.907019.
  16. H. Celebi, H. Arslan, "Cognitive Positioning Systems", IEEE Transactions on Wireless Communications, 4475 - 4483 pp., 2007 , DOI: 10.1109/TWC.2007.060300.

    Book Chapters
    1. H. Arslan, H. Celebi, Cognitive Radio, Software Defined Radio, and Adaptive Wireless Systems (Location Information Management Systems for Cognitive Wireless Networks), 291-323 pp., Hollanda (Netherlands), Springer Netherlands, 2007.
    2. H. Arslan, H. Celebi, Cognitive Radio, Software Defined Radio, and Adaptive Wireless Systems (Software Defined Radio Architectures for Cognitive Radios), 109-144 pp., Hollanda (Netherlands), Springer Netherlands, 2007.
    3. A. Gorcin, K. A. Qaraqe, H. Celebi, H. Arslan, N. Marchetti, Telecommunications in Disaster Areas (Location-Aware Cognitive Communication Systems for Public Safety), 171-211 pp., Danimarka, River Publishers, 2010.
    4. M. Uysal, Ç. Edemen, E. Sharbazi, P. Shams, F. Ugurdag, H. Çelebi, “IEEE 802.15.7: Visible Light Communication Standard”, 2015.

    Conference Papers
    1. H. Alkan, H. Celebi, "The Implementation of Positioning System with Trilateration of Haversine Distance", The Proceedings of IEEE 21st International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC) 2019, İstanbul, Turkey, Sept. 2019.
    2. S. Yucer, F. Tektas, M. V. Kilinc, I. Kandemir, H. Celebi, Y. S. Akgul and Y. Genc, "RSSI-based Outdoor Localization with Single Unmanned Aerial Vehicle”, The proceedings of IEEE Wireless Communications and Networking Conference (WCNC), Marrakech, Morocco, April 2019.
    3. G. Çelik, A. Aitelieva, Hasari Çelebi, "Comparison of Empirical and Ray-Traced Based Channel Modeling on VHF Band", IEEE Signal Processing and Communications Applications (SIU 2019), Sivas, Türkiye, April 2019.
    4. M. Erat, H. Çelebi, “Design and Implementation of High Efficient Zigbee Based Adaptive Energy Management System for Smart Offices”, IEEE Signal Processing and Communications Applications (SIU 2018), 1 - 4 pp., İzmir, Türkiye, April 2018.
    5. G. Celik, H. Celebi, and G. Tuna, “A novel RSRP-based E-CID positioning for LTE networks,” 2017 13th International Wireless Communications and Mobile Computing Conference (IWCMC), Valencia, Spain, pp. 1689–1692, 2017.
    6. G. Celik and H. Celebi, "G-CRLB Analysis of Time Delay Based Localization for Decode-and-Forward Cooperative Relay Networks in Multipath Environments", International Wireless Communications & Mobile Computing Conference, Dubrovnik, Croatia, Aug. 2015.
    7. Aizat Aitelieva, Gökhan Çelik, Hasari Çelebi, "Ray Tracing-Based Channel Modeling for VHF Frequency Band", IEEE Signal Processing and Communications Applications (SIU 2015), Malatya, Turkey, May 2015.
    8. G. Çelik, H. Çelebi, “CRLB Analysis of Time Delay Based Location Estimation for UWB Cooperative Relay Networks in Multipath Environments”, ACM The International Conference on Management of Computational and Collective Intelligence in Digital EcoSystems (MEDES), 146-151, Saudi Arabia, Sept. 2014.
    9. 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), 5 pp., Marrakech, Morocco, Sept. 2013.
    10. G. Celik, H. Celebi, "Time delay based location estimation in decode-and-forward cooperative relay networks", The proceedings of IEEE Wireless Communications and Networking Conference (WCNC), 3998 - 4002 pp., Shanghai, China, April 2013.
    11. H. Buyruk, A. K. Keskin, Ş. Sendil, H. Çelebi, H. P. Partal, Ö. İleri, E. Zeydan, S. Ergüt, "RF Parmakizi Tabanlı GSM Binaiçi Konumlandırma", IEEE Signal Processing and Communications Applications (SIU 2013), 1 - 4 pp., Girne, Northern Cyprus, April 2013.
    12. A. Güney, H. Çelebi, M. Uzunoğlu, “Performance Comparison of PLC, Wi-Fi and Zigbee Technologies for Smart Home Applications”, TOK Konferansı 2013, Malatya, Turkey, Sept. 2013.
    13. O. Cetin, H. Nazli, R. Gurcan, H. Ozturk, H. Guneren, Y. Yelkovan, M. Cayir, H. Celebi, H. P. Partal, "An Experimental Study of High Precision TOA based UWB Positioning Systems", The proceedings of IEEE International Conference on Ultra-Wideband (ICUWB) 2012, 357 - 361 pp., Syracuse, New York, USA, Sept. 2012.
    14. 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 proceedings, 360 - 365 pp., Limassol, Cyprus, Aug. 2012.
    15. H. Çelebi, "Received Signal Strength Based Distance Estimation in Multi-Band OFDM Cognitive Radios", IEEE Signal Processing and Communications Applications (SIU 2012), 1-4 pp., Muğla, Turkey, April 2012.
    16. M. B. Celebi, H. Celebi, H. Arslan, K. A. Qaraqe, "A Bispectrum Detector for FM Modulated Wireless Microphone Signals", Proceedings of the 4th International Conference on Cognitive Radio and Advanced Spectrum Management, 45:1--45:5 pp., Barcelona, Spain, Oct. 2011.
    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", The proceedings of IEEE Annual Conference on Wireless and Microwave Technology Conference (WAMICON) 2011, 1 - 5 pp., Florida, USA, April 2011.
    18. H. Celebi, K. A. Qaraqe, H. Arslan, "Performance Analysis of TOA based Range Accuracy Adaptation for Cognitive Radio Networks", The Proceedings of IEEE 70th Vehicular Technology Conference Fall (VTC 2009-Fall), 1 - 4 pp., Anchorage, Alaska, USA, Sept. 2009.
    19. A. Gorcin, H. Celebi, K. A. Qaraqe, and H. Arslan, "An Autoregressive Approach on Spectrum Occupancy Modeling and Prediction Based on Synchronous Measurements", 2011 IEEE 22nd International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC), 705 - 709 pp., Toronto, Canada, Sept. 2011.
    20. A. H. Gholamipour, A. Gorcin, H. Celebi, B. U. Toreyin, M. Saghir, F. Kurdahi, A. Eltawil, "Reconfigurable Filter Implementation of a Matched-filter Based Spectrum Sensor for Cognitive Radio Systems", 2011 IEEE International Symposium on Circuits and Systems (ISCAS), 2457 - 2460 pp., Rio de Janeiro, Brazil, May 2011.
    21. Z. Yin, H. Alnuweiri, A. L. N. Reddy, H. Celebi, K. A. Qaraqe, "Improving the Performance of Delay Based Protocol in Delivering Real Time Media via Early Retransmission", 2011 18th International Conference on Telecommunications (ICT), 511 - 516 pp., Ayia Napa, Cyprus, May 2011.
    22. M. B. Celebi, H. Celebi, H. Arslan, K. A. Qaraqe, "Spectrum Sensing Testbed for Cognitive Radio Applications", IEEE Signal Processing and Communications Applications (SIU 2011), 446 - 449 pp., Antalya, Turkey, April 2011.
    23. N. Rahimian, H. Celebi, K. A. Qaraqe, and C. N. Georghiades, "Spatio-Temporal Measurement and Model for Number of Occupied Channels", 2011 18th International Conference on Telecommunications (ICT), 33 - 37 pp., Ayia Napa, Cyprus, May 2011.
    24. H. Celebi, K. A. Qaraqe, "Engagement of undergraduate students in advanced research: A case study", The proceedings of 2011 IEEE Global Engineering Education Conference (EDUCON), 529 - 532 pp., Amman, Jordan, April 2011.
    25. K. A. Qaraqe, H. Celebi, M-S. Alouini, L. Abuhantash, M. Al-Mulla, O. Al-Mulla, A. Jolo, A. Ahmad, A. El-Saigh, "Measurement and Analysis of Wideband Spectrum Utilization in Indoor and Outdoor Environments", Intl. Conf. on Communications Technologies, Riyadh, Saudi Arabia, Jan. 2010.
    26. K. A. Qaraqe, M. Mohammad, H. Celebi, A. El-Saigh, "The Impacts of Node Distribution on The Transport Capacity of Adhoc Dispersed Spectrum Cognitive Radio Systems", The proceedings of 2010 IEEE 17th International Conference on Telecommunications (ICT), 122 - 127 pp., Doha, Qatar, April 2010.
    27. A. Gorcin, K. A. Qaraqe, H. Celebi, H. Arslan, "An adaptive threshold method for spectrum sensing in multi-channel cognitive radio networks", The proceedings of 2010 IEEE 17th International Conference on Telecommunications (ICT), 425 - 429 pp., Doha, Qatar, April 2010.
    28. H. Çelebi, and K. A. Qaraqe, "Measurement Results and Challenges for Practical Spectrum Sensing in Smart Radio Systems", IEEE Signal Processing and Communications Applications (SIU 2010), 248 - 251 pp., Diyarbakır, Turkey, April 2010.
    29. K. A. Qaraqe, S. I. Hussain, H. Celebi, M. Abdallah, and M.-S. Alouini, "An RSS Based Location Estimation Technique for Cognitive Relay Networks", 2010 3rd International Symposium on Applied Sciences in Biomedical and Communication Technologies (ISABEL), 1-5 pp., Rome, Italy, Nov. 2010.
    30. H. Celebi, M. M. Abdallah, S. I. Hussain, K. A. Qaraqe, M.-S. Alouini, "Time of Arrival Based Location Estimation for Cooperative Relay Networks", The Proceedings of IEEE 21st International Symposium on Personal Indoor and Mobile Radio Communications (PIMRC) 2010, 871 - 875 pp., Istanbul, Turkey, Sept. 2010.
    31. H. Celebi, A. Gorcin, K. A. Qaraqe, H. Arslan, M-S. Alouini, A. Alsaigh, "Empirical Results for Multidimensional Spectrum Usage", 2009 IEEE 20th International Symposium on Personal, Indoor and Mobile Radio Communications, 1262 - 1266 pp., Tokyo, Japan, Sept. 2009.
    32. H. Celebi, K. A. Qaraqe, H. Arslan, "Performance Comparison of Time Delay Estimation for Whole and Dispersed Spectrum Utilization Methods in Cognitive Radio Networks", Proceedings of the Fourth International Conference on Cognitive Radio Oriented Wireless Networks & Communications (CROWNCOM), 2009, 1 - 6 pp., Hannover, Germany, June 2009.
    33. S. Ekin, F. Yilmaz, H. Celebi, K. A. Qaraqe, M-S. Alouini, E. Serpedin, "Achievable Capacity of a Spectrum Sharing System over Hyper Fading Channels", The Proceedings of IEEE Global Telecommunications Conference (GLOBECOM) 2009, 1 - 6 pp., Honololu, Hawaii, USA, Nov.-Dec. 2009.
    34. F. Kocak, H. Celebi, S. Gezici, K. A. Qaraqe, H. Arslan, H. Vincent Poor, "Time Delay Estimation in Cognitive Radio Systems", 2009 3rd IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP), 400 - 403 pp., Aruba, Dec. 2009.
    35. S. Gezici, H. Celebi, H. Arslan, H. Vincent Poor, "Theoretical Limits on Time Delay Estimation for Ultra-Wideband Cognitive Radios", The Proceedings of IEEE International Conference on Ultra-Wideband (ICUWB) 2008, 177 - 180 pp., Hannover, Germany, Sept. 2008.
    36. H. Celebi, H. Arslan, "Adaptive Positioning Systems for Cognitive Radios", The proceedings of 2nd IEEE International Symposium on New Frontiers in Dynamic Spectrum Access Networks (DySPAN) 2007, 78 - 84 pp., Dublin, Ireland, April 2007.
    37. H. Celebi, I. Guvenc, H. Arslan, "On the Statistics of Channel Models for UWB Ranging", The Proceedings of 2006 IEEE Sarnoff Symposium, 1-4 pp., Princeton, New Jersey, USA, March 2006.
    38. 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", The Proceedings of IEEE Aerospace Conference 2006, 8 pp., Big Sky, Montana, USA, March 2006.
    39. F. E. Retnasothie, M. K. Ozdemir, T. Yucek, J. Zhang, H. Celebi, R. Muththaiah, "Wireless IPTV over WiMAX: Challenges and Applications", The proceedings of IEEE Annual Conference on Wireless and Microwave Technology Conference (WAMICON) 2006, 1-5 pp., Florida, USA, Dec. 2006.
    40. H. Celebi, H. Arslan, "Cross-Modulation Interference For Pulse Position Modulated UWB Signals", The proceedings of IEEE Military Communications Conference, 1397 - 1403 pp., New Jersey, USA, Oct. 2005.
    41. H. Celebi and H. Arslan, "A Data-Aided Timing Acquisition For Pulse Position Modulated UWB Signals", The proceedings of 2005 IEEE International Conference on Ultra-Wideband, 344 - 348 pp., Zurich, Switzerland, Sept. 2005.

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