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  Short Bio

Abdulkadir Çelik received the first M.S. degree in electrical engineering in 2013, the second M.S. degree in computer engineering in 2015, and the Ph.D. degree in co-majors of electrical engineering and computer engineering from Iowa State University, Ames, IA, USA, in 2016. He was a Postdoctoral Fellow with the King Abdullah University of Science and Technology, from 2016 to 2020, where he is currently a Senior Research Scientist with the Communications and Computing Systems Laboratory. Dr. Celik is Senior Member of IEEE and the recipient of IEEE Communications Society's 2023 Outstanding Young Researcher Award for Europe, Middle East, and Africa (EMEA) region. He currently serves as an editor for IEEE Communications Letters, IEEE Wireless Communication Letters, and Frontiers in Communications and  Networks. His research interests are in the broad areas of next-generation wireless communication systems and networks. 

Bio
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Research Areas...
Next-Generation Networks
Research
Publications
Gradient

Publications

“If I have seen further, it is by standing on the shoulders of giants.” [I. Newton]

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Patents

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[P5] A. Abdallah, A. Celik, M. M. Mansour, and A. M. Eltawil, “Beamforming Technique for a Radio Network", U.S. Patent Application, P10713US01, Aug. 12, 2022.  (Assignee: ERICSSON) 

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[P4] A. Abdallah, A. Celik, M. M. Mansour, and A. M. Eltawil, “Channel Estimation for RIS-Aided Multi-User mmWave MIMO Systems," U.S. Patent Application No.63/341,218, May 12, 2022.  (Assignee: ERICSSON) 

[P3] 
A. Abdallah, A. Celik, M. M. Mansour, and A. M. Eltawil, “Machine Learning Based Channel Estimation Method For Frequency-Selective MIMO System," U.S. Patent Application No. 18/168,876, Sep. 21, 2023. (Assignee: KAUST)

 

[P2] A. Celik and A. M. Eltawil, “Apparatus, System, and Method for Metasurface-Assisted Wireless Data Center", International Patent Application, PCT/IB2022/054806, WO/2021-160-02, May 23, 2022. (Assignee: KAUST) 

 

[P1] A. Celik and A. M. Eltawil, “Combined wireless and body channel communication system for physiological data collection", International Patent Application, PCT/IB2021/058430, WO2022064329A1, Sep. 15, 2021. (Assignee: KAUST) 

Journal & Magazine Articles

Preprints
 

[A63] A. Abdallah, A. Celik, A. Alkhateeb, and A. M. Eltawil, “Explainable Autoencoder Design for RSSI-Based Multi-User Beam Probing and Hybrid Precoding,” IEEE Trans. Wireless Commun.[submitted]

[A62] M. Makin, S. Arzykulov,
A. Celik, A. M. Eltawil, G. Nauryzbayev, “A Unified Optimization Framework for STAR-RIS-Aided Full-Duplex Systems”, IEEE Trans. Wireless Commun. [submitted]
 

[A61] A. M. Elbir, K. V. Mishra, A. Celik, and A. M. Eltawil, “Index Modulation for Integrated Sensing and Communications: A Signal Processing Perspective," IEEE Signal Process. Mag. [submitted]  
 

[A60] H. Salman, S. Arzykulov,  A. Celik, A. M. Eltawil, and H. Arslan, "RIS-Aided Protected Zone Formation for Physical Layer Security of In-Band Full Duplex Systems”, IEEE Wireless Commun Lett. [submitted]

 

[A59] M. H. N. Shaikh, A. Celik, A. M. Eltawil, and G. Nauryzbayev, “Aerial-RIS aided Grant-Free NOMA: UAV Deployment, RIS Partitioning, and User Clustering,IEEE Commun. Lett. [submitted]
 

[A58] A. Ali, A. Celik, and A. M. Eltawil, “Autoencoder-based Transceivers for Efficient Multiple Access in Human Body Communication,” IEEE Trans. Biomed. Eng. [submitted]

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[A57] M. Fabiani, A. Abdallah, A. Celik, and A. M. Eltawil, Distributed Unsupervised Learning for Power Control in Cell-Free mMIMO Networks”, IEEE Trans. Wireless Commun. [submitted]

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[A56] Q. Huang, M. E. Fouda, A. Celik, and A. M. Eltawil, “Human Body Communication Transceivers: Challenges, Architectures, and Opportunities,” submitted to IEEE Commun. Surveys Tuts[submitted]

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[A55] A. Abdallah, A. Celik, M. Mansour, and A. M. Eltawil, “Multi-Agent DRL for Distributed Codebook Design in RIS-aided Cell-Free Massive MIMO Networks,” IEEE Trans. Commun. [under revision]

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Published/Accepted

[A54] A. M. Elbir, K. V. Mishra, A. Celik, and A. M. Eltawil, “The Curse of Beam-Squint in ISAC: Causes, Implications, and Mitigation Strategies," IEEE Commun. Mag. [in press]  

[A53] A. Bendaimi, A. Abdallah,  A. Celik, A. M. Eltawil, and H. Arslan, "How to Leverage Double-Structured Sparsity of RIS Channels to Boost Physical Layer Authentication”, IEEE Wireless Commun Lett. [submitted]

[A52] A. Nasser, A. Celik, and A. M. Eltawil, “Joint Power Allocation and User-Target Pairing for NOMA-Aided ISAC: A Multi-Armed Bandit Approach,” IEEE Trans. Commun. [submitted]
 

[A51] S. Arzykulov, A. Celik, G. Nauryzbayev, and A. M. Eltawil, “Aerial RIS-Aided Physical Layer Security: Optimal Deployment and Partitioning”, IEEE Trans. Wireless Commun. [in press] 

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[A50] A. M. Elbir, A. Abdallah, A. Celik, and A. M. Eltawil, “Antenna Selection with Beam Squint Compensation for Integrated Sensing and Communications,” IEEE J. Sel. Topics Signal Process. [in press]

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[A49] A. M. Elbir, K. V. Mishra, A. Abdallah, A. Celik, and A. M. Eltawil, “Spatial Path Index Modulation in mmWave/THz-Band Integrated Sensing and Communications," IEEE Trans. Wireless Commun. [in press]  

[A48] A. Nasser, A. Abdallah, A. Celik, and A. M. Eltawil, “Rendezvous of ISAC and NOMA: Progress and Prospects of Next-Generation Multiple Access,” IEEE Commun. Std. Mag. [in press]

[A47] A. M. Abdelhady, C. Diaz-Vilor, A. Celik, H. Jafarkhani, and A. M. Eltawil “Laser-Empowered UAVs for Aerial Data Aggregation in Passive IoT Networks,” IEEE Open J. Commun. Soc. [in press]

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[A46] M. H. N. Shaikh, A. Celik, A. M. Eltawil, and G. Nauryzbayev, “Grant-Free NOMA through Optimal Partitioning and Cluster Assignment in STAR-RIS Networks,IEEE Trans. Wireless Commun. [in press]


[A45] A. Celik and A. M. Eltawil “At the Dawn of Generative AI Era: A Tutorial-cum-Survey on New Frontiers in 6G Wireless Intelligence,” IEEE Open J. Commun. Soc. [in press]

[A44] A. Abdallah, A. Celik, M. Mansour, and A. M. Eltawil, “Multi-Agent Deep Reinforcement Learning for  Beam Codebook Design in RIS-aided Systems,” IEEE Trans. Wireless Commun., 2022. [in press]

[A43] A. M. Elbir, A. Celik, and A. M. Eltawil, “NEAT-MUSIC: Auto-Calibration of DOA Estimation for Terahertz-Band Massive MIMO Systems,” IEEE Wireless Commun. Lett. [in press] [PDF]

[A42] C. Diaz-Vilor, M. A. Almasi, A. M. Abdelhady, A. Celik, A. M. Eltawil, and H. Jafarkhani, “Sensing and Communication in UAV Cellular Networks: Design and Optimization,” IEEE Trans. Wireless Commun. [in press] [PDF]


[A41] N. Khan, S. Coleri, A. Abdallah, A. Celik, and A. M. Eltawil, “Explainable and Robust Artificial Intelligence for Trustworthy Resource Management in 6G Networks”, IEEE Commun. Mag. [in press] [PDF]
 

[A40] M. Makin, S. Arzykulov, A. Celik, A. M. Eltawil, G. Nauryzbayev, “Optimal RIS Partitioning and Power Control for Bidirectional NOMA Networks”, IEEE Trans. Wireless Commun.[in press] [PDF]

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[A39] F. Kilinc, R. A. Tasci, A. Celik, A. Abdallah, E. Basar, and A. M. Eltawil, “RIS-Assisted Grant-Free NOMA: User Pairing,  RIS Assignment, and Phase Shift Alignment,” IEEE Trans. Cognitive Commun. Netw., vol. 9, no. 5, pp. 1257-1270, Oct. 2023. [PDF]

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[A38] A. Celik, “Grant-Free NOMA:  A Low Complexity Power Control Through User Clustering,” Sensors, 23(19):8245, 2023. [PDF]​

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[A37] A. Ebrahim, A. Celik, E. Alsusa, M. W. Baidas, and A. M. Eltawil, “Hybrid Multiple-Access: Mode Selection, User Pairing and Resource Allocation,” IEEE Access, vol. 11, pp. 107251-107264, 2023. [PDF]

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[A36] H. AlJlailaty, A. Celik, M. Mansour, and A. M. Eltawil, “Enhanced IMU Hand-Calibration for Low-Cost MEMS Inertial Sensors,” IEEE Trans. Instrum. Meas., vol. 72, pp. 1-16, 2023. [PDF]

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[A35] S. Arzykulov,  A. CelikG. Nauryzbayev, and A. M. Eltawil, "Artificial Noise and RIS-Aided PHY Security: Optimal RIS Partitioning and Power Control”, IEEE Wireless Commun Lett., vol. 12, no. 6, pp. 992-996, Jun. 2023. [PDF]

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[A34] E. Arslan, F. Kilinc, S. Arzykulov, A. T. Dogukan, A. Celik, E. Basar, and A. M. Eltawil, “Reconfigurable Intelligent Surface Enabled Over-the-Air Non-orthogonal Multiple Access,” IEEE Trans. Green Commun. Netw., vol. 7, no. 2, pp. 814-826, Jun. 2023. [PDF]

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[A33] A. Abdallah, A. Celik, M. Mansour, and A. M. Eltawil, “RIS-Aided mmWave MIMO Channel Estimation using Deep Learning and Compressive Sensing,” IEEE Trans. Wireless Commun., vol. 22, no. 5, pp. 3503-3521, May 2023. [PDF]
 

[A32] H. AlJlailaty, A. Celik, M. Mansour, and A. M. Eltawil, “Machine Learning-Based Unobtrusive Eating Onset Detection via Wearable Inertial Sensors,” IEEE Trans. Biomed. Eng., vol. 70, no. 4, pp. 1389-1400, Apr. 2023. [PDF]

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[A31] A. Celik, I. Romdhane, G. Kaddoum, and A. M. Eltawil, “A Top-Down Survey on Optical Wireless Communication for the Internet of Things,” IEEE Commun. Surveys Tuts.,  vol. 25, no. 1, pp. 1-45, 2023. [PDF]

[A30] A. Alamoudi, A. Celik, and A. M. Eltawil, “Cooperative Body Channel Communications for Energy Efficient Internet of Bodies,” IEEE Internet Things J., vol. 10, no. 4, pp. 3468-3483, Feb. 2023. [in press] [PDF]

[A29]
 S. Arzykulov,  G. Nauryzbayev, A. Celik, and A. M. Eltawil, "RIS-Assisted Full-Duplex Relay Systems”, IEEE Systems J., vol. 16, no. 4, pp. 5729-5740, Dec. 2022. [PDF]


[A28] L. Zhang, A. Celik, S. Dang, B. Shihada, “Energy-Efficient Trajectory Optimization for UAV-Assisted IoT Networks,IEEE Trans. Mobile Comput., vol. 21, no. 12, pp. 4323-4337, Dec. 2022  [PDF] 

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[A27] A. Celik and A. M. Eltawil, “The Internet of Bodies: The Human Body as an Efficient and Secure Wireless Channel,IEEE Internet Things Mag., vol. 5, no. 3, Sep. 2022.  [PDF]

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[A26] A. Celik and A. M. Eltawil, “Enabling the Internet of Bodies Through Capacitive Body Channel Access Schemes,” IEEE Internet Things J., vol. 9, no. 17, pp. 15901-15914, 1 Sept.1, 2022. [PDF]

[A25] A. Abdallah, A. Celik, M. Mansour, and A. M. Eltawil, “Deep Learning Based Frequency-Selective Channel Estimation for Hybrid mmWave MIMO Systems,” IEEE Trans. Wireless Commun., vol. 21, no. 6, pp. 3804-3821, Jun. 2022. [PDF] 

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[A24] S. Arzykulov, A. CelikG. Nauryzbayev, and A. M. Eltawil, “UAV-Assisted Cooperative and Cognitive NOMA: Deployment, Clustering, and Resource Allocation”, IEEE Trans. Cogn. Commun. Netw.,  vol. 8, no. 1, pp. 263-281, Mar. 2022[PDF] 

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[A23] A. Celik, N. Saeed, B. Shihada, T. Y. Al-Naffouri, and M.-S. Alouini, “Opportunistic Routing for Opto-Acoustic Internet of Underwater Things,” IEEE Internet Things J., vol. 9, no. 3, pp. 2165-2179, 1 Feb. , 2022. [PDF] 

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[A22] A. Celik, K. N. Salama, and A. M. Eltawil, “The Internet of Bodies: A Systematic Survey on Propagation Characterization and Channel Modeling”, IEEE Internet Things J.vol. 9, no. 1, pp. 321-345, Jan. 2022. [PDF] 

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[A21] S. Arzykulov,  G. Nauryzbayev, A. Celik, and A. M. Eltawil, “Hardware and Interference Limited Cooperative CR-NOMA Networks under Imperfect SIC and CSI”, IEEE Open J. Commun. Soc., vol. 2, pp. 1473-1485, 2021. [PDF] 

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[A20] O. Bushnaq, M. Kishk, A. Celik, M.-S. Alouini, and T. Y. Al-Naffouri, “Optimal Deployment of Tethered Drones for Maximum Cellular Coverage in User Clusters,” IEEE Trans. Wireless Commun., vol. 20, no. 3, pp. 2092-2108, Mar. 2021. [PDF] 

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[A19] A. Celik, A. Chaaban, B. Shihada, and M.-S. Alouini, "Topology Optimization for 6G Networks: A Network Information-Theoretic Approach", IEEE Veh. Technol. Mag., vol.15, no. 4, Dec. 2020. [PDF]  

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[A18] R. M. Radaydeh, F. S. Al-Qahtani, A. Celik, K. Qaraqe, and M-S. Alouini, “Generalized Imperfect D2D Associations in Spectrum-Shared Cellular Networks Under Transmit Power and Interference Constraints”, IEEE Access, vol. 8, pp. 182517-182536, 2020. [PDF]

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[A17] N. Saeed, A. Celik, M.-S. Alouini, and T. Y. Al-Naffouri, "Analysis of 3D Localization in Underwater Optical Wireless Networks with Uncertain Anchor Positions," Science China-Information Sciences, vol. 63, no.10, 202305, Oct. 2020. [PDF]

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[A16] A. Al-Ghadhban, A. Celik, B. Shihada, and M.-S. Alouini, ''LightFDG: An Integrated Flow Detection and Grooming Approach for Optical Wireless Data Centers,'' IEEE Trans. Netw. Service Manag., vol. 17, no. 2, pp. 1153-1166, Jun. 2020. [PDF]

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[A15] A. Celik, N. Saeed, B. Shihada, T. Y. Al-Naffouri, and M.-S. Alouini, "A Software-Defined Opto-Acoustic Network Architecture for Internet of Underwater Things", IEEE Commun. Mag., vol. 58, no. 4, pp. 88-94, Apr. 2020. [PDF]

 

[A14] A. Celik, N. Saeed, B. Shihada, T. Y. Al-Naffouri, and M.-S. Alouini, "End-to-End Performance Analysis of Underwater Optical Wireless Relaying and Routing Techniques Under Location Uncertainty," IEEE Trans. Wireless Commun., vol. 19, no. 2, pp. 1167-1181, Feb. 2020. [PDF]
 

[A13] R. M. Radaydeh, F. S. Al-Qahtani, A. Celik, M.-S. Alouini, and Nizar Tayem, "Adaptive Spectrum-Shared Association for Controlled Underlay D2D Communication in Cellular Networks," IET Communications, vol. 13, no. 18, p. 3075-3087, Nov. 2019. [PDF]

 

[A12] N. Saeed, A. Celik, T. Y. Al-Naffouri, and M.-S. Alouini ''Performance Analysis of Connectivity and Localization in Multi-Hop Underwater Optical Wireless Sensor Networks,'' IEEE Trans. Mobile Comput., vol. 18, no. 11, pp. 2604-2615, Nov. 2019. [PDF]

 

[A11] N. Saeed, A. Celik, T. Y. Al-Naffouri, and M.-S. Alouini, "Underwater Optical Wireless Communications,  Networking, and Localization: A Survey," Ad Hoc Networks, vol. 94, pp. 101935, Nov. 2019. [PDF]

 

[A10] A. Celik, M.-C. Tsai, R. M. Radaydeh, F. S. Al-Qahtani, and M.-S. Alouini, "Distributed User Clustering and Resource Allocation for Imperfect NOMA in Heterogeneous Networks," IEEE Trans. Commun., vol. 67, no. 10, pp. 7211-7227, Oct. 2019. [PDF]

 

[A09] O. Bushnaq, A. Celik, H. ElSawy, T. Y. Al-Naffouri, and M.-S. Alouini, "Aeronautical Data Aggregation and Field Estimation in IoT Networks: Hovering & Traveling Time Dilemma of UAVs,IEEE Trans. Wireless Commun.,  vol. 18, no. 10, pp. 4620-4635, Oct. 2019. [PDF]
 

[A08] N. Saeed, A. Celik, T. Y. Al-Naffouri, and M.-S. Alouini, "Localization of Energy Harvesting Empowered Underwater Optical Sensor Networks", IEEE Trans. Wireless Commun., vol. 18, no. 5, pp. 2652-2663, May 2019. [PDF]

 

[A07] A. Celik, A. Al-Ghadhban, B. Shihada, and M.-S. Alouini, "Design and Provision of Traffic Grooming for Optical Wireless Data Center Networks", IEEE Trans. Commun., vol. 67, no. 3, pp. 2245-2259, Mar. 2019. [PDF]


[A06] A. Celik, M. C. Tsai, R. M. Radaydeh, F. S. Al-Qahtani, and M.-S. Alouini, "Distributed Cluster Formation and Power-Bandwidth Allocation for Imperfect NOMA in DL-HetNets," IEEE Trans. Commun., vol. 67, no. 2, pp. 1677-1692, Feb. 2019. [PDF]
 

[A05] N. Saeed, A. Celik, T. Y. Al-Naffouri, and M.-S. Alouini, "Energy Harvesting Hybrid Acoustic-Optical Underwater Wireless Sensor Networks Localization," Sensors, 18(1), 51, Jan. 2018. [PDF]

 

[A04] A. Celik, R. M. Radaydeh, F. S. Al-Qahtani, and M-S. Alouini, "Resource Allocation and Interference Management for D2D-Enabled DL/UL Decoupled Het-Nets," IEEE Access, vol. 5, pp. 22735-22749, Nov. 2017. [PDF]


[A03] A. Celik, A. Alsharoa, and A. E. Kamal, "Hybrid energy harvesting-based cooperative spectrum sensing and access in heterogeneous cognitive radio networks," IEEE Trans. Cogn. Commun. Netw., vol. 3, no. 1, pp. 37-48, Mar. 2017. [PDF] â€‹

[A02] A. Celik and A. E. Kamal, "Green cooperative sensing and scheduling in heterogeneous cognitive radio networks," IEEE Trans. Cogn. Commun. Netw., vol. 2, no. 3, pp. 238-248, Sept. 2016. [PDF] â€‹

[A
01] A. Celik and A. E. Kamal, "Multi-objective clustering optimization for multi-channel cooperative spectrum sensing in heterogeneous green CRNs," IEEE Trans. Cogn. Commun. Netw., vol. 2, no. 2, pp. 150–161, Jun. 2016. [PDF]

Book Chapters

[BC1] A. Alsharoa, A. Celik, A. E. Kamal, "Energy Efficient 5G Networks Using Joint Energy Harvesting and Scheduling", 5G Networks: Fundamental Requirements, Enabling Technologies, and Operations Management, Wiley-IEEE Press, 2017. 

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Conference Proceedings

[C38] A. M. Elbir, A. Abdallah, A. Celik, and A. M. Eltawil, ``Spatial Path Index Modulation To Combat Beam-Squint Effect in THz-ISAC Systems,'' submitted to IEEE Global. Commun. Conf. (GLOBECOM), Kuala Lumpur, Malaysia, 2023.

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[C37] A. M. Elbir, A. Celik, and A. M. Eltawil, “Near-Field Hybrid Beamforming for Terahertz-Band Integrated Sensing and Communications,” submitted to IEEE Int. Workshop  Comput. Adv. Multi-Sensor Adaptive Process. (CAMSAP),  La Cruz, Costa Rica, 2023.

[C36] A. M. Abdelhady, C. Diaz-Vilor, A. Celik, H. Jafarkhani, A. M. Eltawil, “Optimization of Laser powered Aerial Data Collection from Passive IoT Networks,” submitted to IEEE Global. Commun. Conf. (GLOBECOM), Kuala Lumpur, Malaysia, 2023.

[C35] M. Fabiani, A. Abdallah, A. Celik, and A. M. Eltawil, “Parametric Unsupervised Learning of Downlink Power Allocation in Cell-Free mMIMO Networks,” submitted to IEEE Global. Commun. Conf. (GLOBECOM), Kuala Lumpur, Malaysia, 2023.

[C34] S. Arzykulov, A. Celik, G. Nauryzbayev, and A. M. Eltawil, “On the Secrecy Outage Probability of Aerial RIS Networks,” submitted to IEEE Global. Commun. Conf. (GLOBECOM), Kuala Lumpur, Malaysia,2023.

[C33] M. H. N. Shaikh, A. Celik, A. M. Eltawil, and G. Nauryzbayev, “Optimal STAR-RIS Partitioning for Grant-Free NOMA,” submitted to IEEE Global. Commun. Conf. (GLOBECOM), Kuala Lumpur, Malaysia, 2023.

[C32] M. Makin, S. Arzykulov, A. Celik, A. M. Eltawil, and G. Nauryzbayev, “Optimal Partitioning of Reconfigurable Intelligent Surfaces for Uplink NOMA Networks,” submitted to IEEE Global. Commun. Conf. (GLOBECOM), Kuala
Lumpur, Malaysia, 2023.

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[C31] Q. Huang, A. Ali, A. Celik, and A. M. Eltawil, ``Channel Modeling and Characterization of EQS Capacitive Coupling Human Body Communication,'' in Proc. Int. Midwest Symp. Circuits Syst. (MWSCAS)}, Phoenix, AZ, USA, 2023.

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[C30] A. M. Elbir, K. V. Mishra, A. Celik, and A. M. Eltawil, Integrated Sensing and Communications via SpatialPath Index Modulation,” in Proc. IEEE Radar Conf. Commun., San Antonio, Texas, USA, 2023. (Invited Paper)


[C28] F. Kilinc, R. A. Tasci, A. Celik, A. Abdallah, E. Basar, and A. M. Eltawil, “RIS-Assisted Grant-Free NOMA,” in Proc. IEEE Conf. Commun. (ICC), Rome, Italy, June 2023 

[C29] A. Abdallah, A. Celik, M. Mansour, and A. M. Eltawil, Deep Reinforcement Learning Based Beamforming Codebook Design for RIS-aided mmWave Systems,” in Proc. IEEE Consum. Commun. Netw. Conf. (CCNC), Las Vegas, USA, Jan. 2023 

[C27] M. H. N. Shaikh, S. Arzykulov, A. Celik, A. M. Eltawil, and G. Nauryzbayev, "Performance of RIS-empowered NOMA-based D2D Communication under Nakagami-m Fading," in Proc. IEEE Vehicular Technol. Conf. (VTC-Fall), London, UK, Sep. 2022. 

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[C26] Q. Huang, W. Alkhayer, M. E. Fouda, A. Celik, and A. M. Eltawil, "Wearable Vital Signal Monitoring Prototype Based on Capacitive Body Channel Communication," in Proc. IEEE  Int. Conf. Biomedical and Healthcare Informatics (BHI), Ionnia, Greece, Sep. 2022. 

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[C25] M. Makin, S. Arzykulov, A. Celik, A. M. Eltawil, and G. Nauryzbayev  "Enhancing Physical Layer Security in Large Intelligent Surface-aided Cooperative Networks," in Proc. IEEE Vehicular Technol. Conf. (VTC-Spring), Helsinki, Finland, Jun. 2022. 

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[C24] A. Abdallah, A. Celik, M. Mansour, and A. M. Eltawil, "Deep-Learning Based Channel Estimation for RIS-Aided mmWave Systems with Beam Squint," in Proc. IEEE  Int. Conf. Commun. (ICC), Seoul, Korea, May 2022.


[C23] S. Arzykulov, A. Celik, G. Nauryzbayev, and A. M. Eltawil, “Max-Min Fair Power Control and Coverage Probability for UAV-Assisted Cooperative and Cognitive NOMA,” in Proc. IEEE Int. Conf. ICT Convergence (ICTC), Jeju Island, Korea, Oct. 2021.

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[C22] A. Alamoudi, A. Celik, and A. M. Eltawil, “Energy Efficient Capacitive Body Channel Access Schemes for Internet of Bodies,” in Proc. IEEE Global Commun. Conf. (GLOBECOM), Madrid, Spain, Dec. 2021.

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[C21] A. Ebrahim, A. Celik, E. Alsusa, A. E. Eltawil, "NOMA/OMA Mode Selection and Resource Allocation for Beyond 5G Networks," in  Proc. IEEE  Personal Indoor Mobile Radio Commun. Conf. (PIMRC), London, U.K., Aug. 2020.

 

[C20] A. Al-Ghadhban, A. Celik, B. Shihada, and M.-S. Alouini, ''SoftFG: A Load Balancer for Dynamically Changing Wireless Data Center Topologies,'' in Proc. IEEE Wireless Commun. Netw. Conf. (WCNC), Seoul, South Korea, Apr. 2020.

 

[C19] A. Celik, N. Saeed, B. Shihada, T. Y. Al-Naffouri, and M-S. Alouini, "SectOR: Sector-Based Opportunistic Routing Protocol for Underwater Optical Wireless Networks," in Proc. IEEE Wireless Commun. Netw. Conf. (WCNC), Marrakech, Morocco, Apr. 2019. 

 

[C18] A. Celik, B. Shihada, and M-S. Alouini, "Optical Wireless Data Center Networks: Potentials, Limitations, and Prospects" in Proc. SPIE OPTO Photonics West, Broadband Access Commun. Technol. Conf. XIII, San Fransisco, CA, Feb. 2019. (Invited Paper)

 

[C17] A. AlGhadhban, A. Celik, B. Shihada, and M-S. Alouini, "LightFD: A Lightweight Flow Detection Mechanism for Traffic Grooming in Optical Wireless DCNs" in Proc. IEEE Global Commun. Conf. (GLOBECOM), Abu Dhabi, UAE, Dec. 2018.

 

[C16] O. Bushnaq, A. Celik, H. ElSawy, T. Y. Al-Naffouri, and M-S. Alouini, "Aerial Data Aggregation in IoT Networks: Hovering & Traveling Time Dilemma" in Proc. IEEE Global Commun. Conf. (GLOBECOM), Abu Dhabi, UAE, Dec. 2018.

 

[C15] N. Saeed, A. CelikT. Y. Al-Naffouri, and M-S. Alouini, "Robust 3D Localization of Underwater Optical Wireless Sensor Networks via  Low Rank Matrix Completion," in Proc. IEEE  19th Intl. Workshop on Signal Process. Adv. Wireless Commun. (SPAWC), Kalamata, Greece, Jun. 2018.

 

[C14] R. M. Radaydeh, F. S. Al-Qahtani, A. Celik, K. Qaraqe, and M-S. Alouini, "Imperfect D2D Association in Spectrum-Shared Cellular Networks Under Interference and Transmit Power Constraint ," in Proc. IEEE  Int. Conf. Commun. (ICC) Workshops, Kansas City, KS, May 2018.

 

[C13] N. Saeed, A. Celik, T. Y. Al-Naffouri, and M-S. Alouini, "Connectivity Analysis for Underwater Optical Wireless Sensor Networks: A Graph Theoretic Approach ," in Proc. IEEE  Int. Conf. Commun. (ICC) Workshops, Kansas City, KS, May 2018.

 

[C12] N. Saeed, A. Celik, T. Y. Al-Naffouri, and M-S. Alouini, "Underwater Optical Sensor Networks Localization with Limited Connectivity," in Proc. IEEE Int. Conf. Acoust., Speech, and Signal Process. (ICASSP), Calgary, Canada, Apr.  2018.

 

[C11] A. Celik, N. Saeed, T. Y. Al-Naffouri, and M-S. Alouini, "Modeling and Performance Analysis of Multihop Underwater Optical Wireless Sensor Networks ," in Proc. IEEE Wireless Commun. Netw. Conf. (WCNC), Barcelona, Spain, Apr. 2018.

 

[C10] A. Celik, A. Al-Ghadhban, B. Shihada, and M-S. Alouini, "Design and Provisioning of Optical Wireless Data Center Networks: A Traffic Grooming Approach," in Proc. IEEE Wireless Commun. Netw. Conf. (WCNC), Barcelona, Spain, Apr. 2018.

 

[C09] A. Celik, R. M. Radaydeh, F. S. Al-Qahtani, A. H. Abd Al-Malek, and M-S. Alouini, "Resource Allocation and Cluster Formation for imperfect NOMA in DL/UL Decoupled HetNets ," in Proc. IEEE Global Commun. Conf. (GLOBECOM) Workshops, Singapore, Dec. 2017.


[C08] R. M. Radaydeh, F. S. Al-Qahtani, A. Celik, and M-S. Alouini, "Dynamic Downlink Spectrum Access for D2D-Enabled Heterogeneous Networks,"  in Proc. IEEE Global Commun. Conf. (GLOBECOM), Singapore, Dec. 2017.
 

[C07] A. Celik, F. S. Al-Qahtani, R. M. Radaydeh, and M-S. Alouini, "Cluster formation and joint power-bandwidth allocation for imperfect NOMA in DL-HetNets," in Proc.  IEEE Global Commun. Conf. (GLOBECOM), Singapore, Dec. 2017.

 

[C06] A. Alsharoa, A. Celik, and A. E. Kamal, "Energy Harvesting in Heterogenous Networks with Hybrid Powered Communication Systems", in Proc. IEEE Veh. Technol. Conf. (VTC), Toronto, Canada, Sep. 2017. (Invited Paper)
 

[C05] A. Celik, R. M. Radaydeh, F. S. Al-Qahtani, and M-S. Alouini, "Joint Interference Management and Resource Allocation for Device-to-Device (D2D) Communications Underlying Downlink/Uplink Decoupled (DUDe) Heterogeneous Networks," in Proc. IEEE  Int. Conf. Commun. (ICC), Paris, France, May 2017.
 

[C04] A. Celik, A. Alsharoa, and A. E. Kamal, "Hybrid Energy Harvesting Cooperative Spectrum Sensing in Heterogeneous CRNs, " in Proc. IEEE Global Commun. Conf. (GLOBECOM) Workshops, Washington, D.C., Dec. 2016. 

 

[C03] A. Celik and A. E. Kamal, "More spectrum for less energy: Green cooperative sensing scheduling in CRNs," in Proc.  IEEE Int. Conf. Commun. (ICC), London, UK, Jun.  2015.

[C02] A. Celik, R.Saifan, and A. E. Kamal, "Sensing strategies for channel discovery in cognitive radio networks ," in Proc. IEEE Int. Conf. Comput., Netw. and Commun. (ICNC), Anaheim, CA, Feb. 2015, pp. 637-641. (Invited Paper)

[C01] A. Celik and A. E. Kamal, "Multi-objective clustering optimization for multi-channel cooperative spectrum sensing in CRNs," in Proc. IEEE Global Commun. Conf. (GLOBECOM), Austin, TX, Dec. 2014, pp. 3441 - 3446.

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