Publications

Preprints:

[6] M. Raeisi, I. Yildirim, M. C. Ilter, M. Gerami, E. Basar, "Plug-In RIS: A Novel Approach to Fully Passive Reconfigurable Intelligent Surfaces", arXiv:2311.09626, Nov. 2023.

[5] I. Yildirim, M. Mahmoud, E. Basar, T. Le-Ngoc, "Spider RIS: Mobilizing Intelligent Surfaces for Enhanced Wireless Communication ", Submitted to 2024 IEEE International Conference on Communications, Nov., 2023.

[4] I. Yildirim, A. Koc, E. Basar, T. Le-Ngoc, "Multi-RIS Assisted Hybrid Beamforming Design for Terahertz Massive MIMO Systems ", Submitted to IEEE Open Journal of the Communications Society, Nov., 2023.

[3] S. Kayraklik, I. Yildirim, I. Hokelek, Y. Gevez, E. Basar, A. Gorcin, "Indoor Measurements for RIS-Aided Communication: Practical Phase Shift Optimization, Coverage Enhancement, and Physical Layer Security", Submitted to IEEE Open Journal of the Communications Society, Oct., 2023.

[2] S. Kayraklik, I. Yildirim, E. Basar, I. Hokelek, A. Gorcin, "Practical Implementation of RIS-Aided Spectrum Sensing: A Deep Learning-Based Solution", arXiv:2307.14985, July, 2023.

[1] E. Koktas, R. A. Tasci, I. Yildirim, E. Basar, "Unleashing the Potential of Reconfigurable Intelligent Surfaces in Martian Communication", arXiv:2308.05571, Aug. 2023.

Book Chapter:

[1] I. Yildirim, E. Basar, “Channel Modelling in RIS-Empowered Wireless Communications”, Chapter in Intelligent Reconfigurable Surfaces (IRS) for Prospective 6G Wireless Networks, John Wiley & Sons, Inc., 2023. arXiv:2201.06241

Journal Papers:

[10] M. Raeisi, A. Koc, I. Yildirim, E. Basar, T. Le-Ngoc, "Cluster Index Modulation for Reconfigurable Intelligent Surface-Assisted mmWave Massive MIMO", IEEE Transactions on Wireless Communications (Early Access), doi: 10.1109/TWC.2023.3290618.

[9] E. Arslan, I. Yildirim, F. Kilinc and E. Basar, "Over-the-Air Equalization with Reconfigurable Intelligent Surfaces", IET Commun., vol. 16, pp. 1486–1497, June 2022, doi: 10.1049/cmu2.12425

[8] E. Basar, I. Yildirim and F. Kilinc, "Indoor and Outdoor Physical Channel Modeling and Efficient Positioning for Reconfigurable Intelligent Surfaces in mmWave Bands", IEEE Transactions on Communications, vol. 69, no. 12, pp. 8600-8611, Dec. 2021, doi: 10.1109/TCOMM.2021.3113954

[7] E. Basar and I. Yildirim, "Reconfigurable Intelligent Surfaces for Future Wireless Networks: A Channel Modeling Perspective", IEEE Wireless Communications, vol. 28, no. 3, pp. 108-114, June 2021. doi: 10.1109/MWC.001.2000338.

[6] I. Yildirim, F. Kilinc, E. Basar and G. C. Alexandropoulos, "Hybrid RIS-Empowered Reflection and Decode-and-Forward Relaying for Coverage Extension", IEEE Communications Letters, vol. 25, no. 5, pp. 1692-1696, May 2021, doi: 10.1109/LCOMM.2021.3054819.

[5] I. Yildirim, A. Uyrus, E. Basar, "Modeling and Analysis of Reconfigurable Intelligent Surfaces for Indoor and Outdoor Applications in Future Wireless Systems", IEEE Transactions on Communications, vol. 69, no. 2, pp. 1290-1301, Feb. 2021, doi: 10.1109/TCOMM.2020.3035391.

[4] B. Ozpoyraz, I. Yildirim and E. Basar, "Index Modulation Based Coordinate Interleaved Orthogonal Design for Secure Communications", IEEE Transactions on Vehicular Technology, vol. 70, no. 5, pp. 5155-5159, May 2021. doi: 10.1109/TVT.2021.3076688.

[3] I. Yildirim, E. Basar and I. Altunbas, "Coordinate Interleaved Orthogonal Design with Media-Based Modulation", IEEE Transactions on Vehicular Technology, vol. 70, no. 3, pp. 2867-2871, Mar. 2021, doi: 10.1109/TVT.2021.3059325.

[2] I. Yildirim, E. Basar and G. K. Kurt, "Media-Based Modulation for Secrecy Communications", Electronics Letters, vol. 54, no. 12, pp. 789-791, June 2018, doi: 10.1049/el.2018.0764

[1] I. Yildirim, E. Basar, I. Altunbas, "Quadrature Channel Modulation", IEEE Wireless Communications Letters, vol. 6, no. 6, pp. 790-793, Dec. 2017, doi: 10.1109/LWC.2017.2742508.

Conference Papers:

[6] S Kayraklık, I Yildirim, Y Gevez, E Basar and A Gorcin, "Indoor Coverage Enhancement for RIS-Assisted Communication Systems: Practical Measurements and Efficient Grouping", IEEE International Conference on Communications, Rome, Italy, 2023, pp. 485-490, doi: 10.1109/ICC45041.2023.10278759.

[5] M. Raeisi, A. Koc, I. Yildirim, E. Basar, T. Le-Ngoc, "Antenna Array Structures for Enhanced Cluster Index Modulation", 2023 Joint European Conference on Networks and Communications & 6G Summit (EuCNC/6G Summit), Gothenburg, Sweden, 2023, pp. 102-107. doi:10.1109/EuCNC/6GSummit58263.2023.10188340

[4] I. Yildirim, A. Koc, E. Basar, T. Le-Ngoc, “RIS-Aided Angular-Based Hybrid Beamforming Design in mmWave Massive MIMO Systems”, accepted to 2022 IEEE Global Communications Conference (GLOBECOM), arXiv:2208.06622, Aug. 2022.

[3] F. Kilinc, I. Yildirim and E. Basar, "Physical Channel Modeling for RIS-Empowered Wireless Networks in Sub-6 GHz Bands", in Proc. 55th Asilomar Conference on Signals, Systems, and Computers, Nov. 2021, Pacific Grove, CA, USA. doi: 10.1109/IEEECONF53345.2021.9723295,  (Invited Paper) 

[2] E. Basar and I. Yildirim, "SimRIS Channel Simulator for Reconfigurable Intelligent Surface-Empowered Communication Systems", in Proc. IEEE Latin-American Conference on Communications (LATINCOM 2020), Virtual Conference, Nov. 2020, doi: 10.1109/LATINCOM50620.2020.9282349. (Best Paper Award) 

[1] I. Yildirim, E. Basar and I. Altunbas, "Fractional Media-Based Modulation with Golden Angle Modulation", in Proc. IEEE Wireless Communications and Networking Conference (WCNC), April 15-19, 2019 Marrakech, Morocco, doi: 10.1109/WCNCW.2019.8902867.


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