Ahmed M Eltawil

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Ahmed M Eltawil
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Fadi J Kurdahi (30)
Abdulkadir Celik (10)
Amin Khajeh (9)
Mohammed E Fouda (7)
Alireza Shahan Behbahani (6)
Galymzhan Nauryzbayev (6)
Houman Homayoun (6)
Sultangali Arzykulov (5)
Elsayed Ahmed (4)
Khaled Nabil Salama (4)
Nikil D. Dutt (4)
Amin Khajeh Djahromi (3)
Avesta Sasan (3)
Hamid Eslami (3)
Hamid Jafarkhani (3)
Kang Yi (3)
Mohammad M Mansour (3)
Rouwaida N Kanj (3)
Younghwan Park (3)

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Journal/Magazine Names

IEEE Transactions on Wireless Communications (14)
IEEE Transactions on Very Large Scale Integration (VLSI) Systems (8)
ACM Transactions on Embedded Computing Systems (3)
IEEE Communications Magazine (3)
IEEE Journal on Selected Areas in Communications (2)
IEEE Transactions on Nanotechnology (2)
Transactions on Emerging Telecommunications Technologies (2)
ACM SIGBED Review (1)
Communications of the ACM (1)
IEEE Communications Surveys & Tutorials (1)
IEEE Transactions on Circuits and Systems Part I: Regular Papers (1)
IEEE Transactions on Signal Processing (1)
International Journal of Interdisciplinary Telecommunications and Networking (1)
Journal of Parallel and Distributed Computing (1)
Journal of Signal Processing Systems (1)
Multimedia Tools and Applications (1)
Wireless Communications & Mobile Computing (1)

Proceedings/Book Names

2021 IEEE Wireless Communications and Networking Conference (WCNC) (2)
DATE '09: Proceedings of the Conference on Design, Automation and Test in Europe (2)
NANOARCH '18: Proceedings of the 14th IEEE/ACM International Symposium on Nanoscale Architectures (2)
ACSAC'06: Proceedings of the 11th Asia-Pacific conference on Advances in Computer Systems Architecture (1)
ACSAC'07: Proceedings of the 12th Asia-Pacific conference on Advances in Computer Systems Architecture (1)
CASES '09: Proceedings of the 2009 international conference on Compilers, architecture, and synthesis for embedded systems (1)
CASES '10: Proceedings of the 2010 international conference on Compilers, architectures and synthesis for embedded systems (1)
CASES '17: Proceedings of the 2017 International Conference on Compilers, Architectures and Synthesis for Embedded Systems Companion (1)
CCNC'10: Proceedings of the 7th IEEE conference on Consumer communications and networking conference (1)
CODES+ISSS '11: Proceedings of the seventh IEEE/ACM/IFIP international conference on Hardware/software codesign and system synthesis (1)
DSD '07: Proceedings of the 10th Euromicro Conference on Digital System Design Architectures, Methods and Tools (1)
FCCM '09: Proceedings of the 2009 17th IEEE Symposium on Field Programmable Custom Computing Machines (1)
FPL '10: Proceedings of the 2010 International Conference on Field Programmable Logic and Applications (1)
GLSVLSI '23: Proceedings of the Great Lakes Symposium on VLSI 2023 (1)
ICCD '11: Proceedings of the 2011 IEEE 29th International Conference on Computer Design (1)
ICCPS '16: Proceedings of the 7th International Conference on Cyber-Physical Systems (1)
ISQED '06: Proceedings of the 7th International Symposium on Quality Electronic Design (1)
ISQED '07: Proceedings of the 8th International Symposium on Quality Electronic Design (1)
MobiHoc '09: Proceedings of the tenth ACM international symposium on Mobile ad hoc networking and computing (1)
Proceedings of the 2007 4th IEEE Consumer Communications and Networking Conference (1)

All Publications

Other periodicals (40)
Proceedings (31)
Journals (3)
Magazines (1)
Newsletters (1)

Content Type

Research Article (55)
Short Paper (3)
Brief Report (1)
Demonstration (1)
Erratum (1)

Publisher

IEEE Press (35)
Association for Computing Machinery (13)
IEEE Educational Activities Department (8)
IEEE Computer Society (7)
Kluwer Academic Publishers (3)
European Design and Automation Association (2)
John Wiley & Sons, Inc. (2)
Springer-Verlag (2)
Academic Press, Inc. (1)
ICST (Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering) (1)
IGI Global (1)
John Wiley and Sons Ltd. (1)

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research-article
Open Access
Multi-UAV Reinforcement Learning for Data Collection in Cellular MIMO Networks
- Carles Diaz-Vilor
  Center for Pervasive Communications and Computing, University of California at Irvine, Irvine, CA, USA
  ,
- Amr M. Abdelhady
  Computer Electrical, and Mathematical Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
  ,
- Ahmed M. Eltawil
  Computer Electrical, and Mathematical Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
  ,
- Hamid Jafarkhani
  Center for Pervasive Communications and Computing, University of California at Irvine, Irvine, CA, USA
IEEE Transactions on Wireless Communications, Volume 23, Issue 10_Part_3•Oct. 2024, pp 15462-15476 • https://doi.org/10.1109/TWC.2024.3430228
Uncrewed Aerial Vehicles (UAVs) provide a compelling solution for data collection in Internet of Things (IoT) networks due to their mobility and adaptability. However, the line-of-sight dominance in their channels may result in severe interference to ...
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Spatial Path Index Modulation in mmWave/THz Band Integrated Sensing and Communications
- Ahmet M. Elbir
  Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
  ,
- Kumar Vijay Mishra
  United States DEVCOM Army Research Laboratory, Adelphi, MD, USA
  ,
- Asmaa Abdallah
  King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
  ,
- Abdulkadir Celik
  King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
  ,
- Ahmed M. Eltawil
  King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
IEEE Transactions on Wireless Communications, Volume 23, Issue 9_Part_1•Sept. 2024, pp 10788-10802 • https://doi.org/10.1109/TWC.2024.3375899
As the demand for wireless connectivity continues to soar, the fifth generation and beyond wireless networks are exploring new ways to efficiently utilize the wireless spectrum and reduce hardware costs. One such approach is the integration of sensing and ...
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The Curse of Beam-Squint in ISAC: Causes, Implications, and Mitigation Strategies
- Ahmet M. Elbir
  King Abdullah University of Science and Technology,Saudi Arabia
  ,
- Kumar Vijay Mishra
  United States Army Research Laboratory,USA
  ,
- Abdulkadir Celik
  King Abdullah University of Science and Technology,Saudi Arabia
  ,
- Ahmed M. Eltawil
  King Abdullah University of Science and Technology,Saudi Arabia
IEEE Communications Magazine, Volume 62, Issue 9•September 2024, pp 52-58 • https://doi.org/10.1109/MCOM.001.2300657
Integrated sensing and communications (ISAC) has emerged as a means to efficiently utilize spectrum and thereby save cost and power. At the higher end of the spectrum, ISAC systems operate at wideband using large antenna arrays to meet the stringent ...
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Grant-Free NOMA Through Optimal Partitioning and Cluster Assignment in STAR-RIS Networks
- Mohd Hamza Naim Shaikh
  School of Engineering and Digital Sciences, Nazarbayev University, Astana, Kazakhstan
  ,
- Abdulkadir Celik
  Computer, Electrical and Mathematical Sciences and Engineering Division, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
  ,
- Ahmed M. Eltawil
  Computer, Electrical and Mathematical Sciences and Engineering Division, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
  ,
- Galymzhan Nauryzbayev
  School of Engineering and Digital Sciences, Nazarbayev University, Astana, Kazakhstan
IEEE Transactions on Wireless Communications, Volume 23, Issue 8_Part_2•Aug. 2024, pp 10166-10181 • https://doi.org/10.1109/TWC.2024.3369186
The integration of reconfigurable intelligent surfaces (RISs) and grant-free non-orthogonal multiple access (GF-NOMA) has emerged as a promising solution for enhancing spectral efficiency and massive connectivity in future wireless networks. This paper ...
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System-Level Metrics for Non-Terrestrial Networks Under Stochastic Geometry Framework
- Qi Huang
  King Abdullah University of Science and Technology,Saudi Arabia
  ,
- Baha Eddine Youcef Belmekki
  King Abdullah University of Science and Technology,Saudi Arabia
  ,
- Ahmed M. Eltawil
  King Abdullah University of Science and Technology,Saudi Arabia
  ,
- Mohamed-Slim Alouini
  King Abdullah University of Science and Technology,Saudi Arabia
IEEE Communications Magazine, Volume 62, Issue 8•August 2024, pp 148-154 • https://doi.org/10.1109/MCOM.001.2300561
Non-terrestrial networks (NTNs) are one of the key enablers in sixth-generation (6G) wireless networks; with their rapid growth, system-level metrics analysis becomes more crucial in NTN design. Applying stochastic geometry (SG) as a system-level analysis ...
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Multi-Agent Deep Reinforcement Learning for Beam Codebook Design in RIS-Aided Systems
- Asmaa Abdallah
  Computer, Electrical, and Mathematical Sciences and Engineering (CEMSE) Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
  ,
- Abdulkadir Celik
  Computer, Electrical, and Mathematical Sciences and Engineering (CEMSE) Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
  ,
- Mohammad M. Mansour
  Department of Electrical and Computer Engineering, American University of Beirut (AUB), Beirut, Lebanon
  ,
- Ahmed M. Eltawil
  Computer, Electrical, and Mathematical Sciences and Engineering (CEMSE) Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
IEEE Transactions on Wireless Communications, Volume 23, Issue 7•July 2024, pp 7983-7999 • https://doi.org/10.1109/TWC.2023.3347419
Reconfigurable intelligent surfaces (RISs) play a vital role in future wireless systems with the capability of enhancing propagation environments by intelligently reflecting the signals toward the target receivers. However, optimal tuning of the phase ...
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Open Access
Sensing and Communication in UAV Cellular Networks: Design and Optimization
- Carles Diaz-Vilor
  Center for Pervasive Communications and Computing, University of California at Irvine, Irvine, CA, USA
  ,
- Mojtaba Ahmadi Almasi
  Center for Pervasive Communications and Computing, University of California at Irvine, Irvine, CA, USA
  ,
- Amr M. Abdelhady
  Computer Electrical, and Mathematical Science and Engineering (CEMSE) Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
  ,
- Abdulkadir Celik
  Computer Electrical, and Mathematical Science and Engineering (CEMSE) Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
  ,
- Ahmed M. Eltawil
  Computer Electrical, and Mathematical Science and Engineering (CEMSE) Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
  ,
- Hamid Jafarkhani
  Center for Pervasive Communications and Computing, University of California at Irvine, Irvine, CA, USA
IEEE Transactions on Wireless Communications, Volume 23, Issue 6•June 2024, pp 5456-5472 • https://doi.org/10.1109/TWC.2023.3326457
Recently, the use of uncrewed aerial vehicles (UAVs) in joint sensing and communication applications has received a lot of attention. However, integrating UAVs in current cellular systems presents major challenges related to trajectory optimization and ...
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Optimal RIS Partitioning and Power Control for Bidirectional NOMA Networks
- Madi Makin
  Department of Electrical and Computer Engineering, School of Engineering and Digital Sciences, Nazarbayev University, Astana, Kazakhstan
  ,
- Sultangali Arzykulov
  Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
  ,
- Abdulkadir Celik
  Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
  ,
- Ahmed M. Eltawil
  Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
  ,
- Galymzhan Nauryzbayev
  Department of Electrical and Computer Engineering, School of Engineering and Digital Sciences, Nazarbayev University, Astana, Kazakhstan
IEEE Transactions on Wireless Communications, Volume 23, Issue 4•April 2024, pp 3175-3189 • https://doi.org/10.1109/TWC.2023.3306048
This study delves into the capabilities of reconfigurable intelligent surfaces (RISs) in enhancing bidirectional non-orthogonal multiple access (NOMA) networks. The proposed approach partitions RIS to optimize the channel conditions for NOMA users, ...
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Open Access
Explainable and Robust Artificial Intelligence for Trustworthy Resource Management in 6G Networks
- Nasir Khan
  Koc University,Turkey
  ,
- Sinem Coleri
  Koc University,Turkey
  ,
- Asmaa Abdallah
  King Abdullah University of Science and Technology,Saudi Arabia
  ,
- Abdulkadir Celik
  King Abdullah University of Science and Technology,Saudi Arabia
  ,
- Ahmed M. Eltawil
  King Abdullah University of Science and Technology,Saudi Arabia
IEEE Communications Magazine, Volume 62, Issue 4•April 2024, pp 50-56 • https://doi.org/10.1109/MCOM.001.2300172
Artificial intelligence (AI) is expected to be an integral part of radio resource management (RRM) in sixth-generation (6G) networks. However, the opaque nature of complex deep learning (DL) models lacks explainability and robustness, posing a significant ...
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High-Throughput Independent Component Analysis Processor for Full Duplex Systems
- Jen-Hao Cheng
  Department of Electronic and Computer Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan
  ,
- Tien-Min Chang
  Department of Electronic and Computer Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan
  ,
- Chung-An Shen
  Department of Electronic and Computer Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan
  ,
- Mohammed E. Fouda
  Electrical Engineering and Computer Science Department, University of California at Irvine, Irvine, CA, USA
  ,
- Ahmed M. Eltawil
  Electrical and Computer Engineering Program, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
IEEE Journal on Selected Areas in Communications, Volume 41, Issue 9•Sept. 2023, pp 2821-2832 • https://doi.org/10.1109/JSAC.2023.3287614
This paper presents the algorithm and very-large-scale integration (VLSI) architecture of a high-throughput and highly efficient independent component analysis (ICA) processor for self-interference cancellation (SIC) in in-band full-duplex (IBFD) systems. ...
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Published By ACM
Published By ACM
High-Density FeFET-based CAM Cell Design Via Multi-Dimensional Encoding
- Hadi Noureddine
  AUB, Beirut, Lebanon
  ,
- Omar Bekdache
  AUB, Beirut, Lebanon
  ,
- Mohamad Al Tawil
  AUB, Beirut, Lebanon
  ,
- Rouwaida Kanj
  AUB, Beirut, Lebanon
  ,
- Ali Chehab
  AUB, Beirut, Lebanon
  ,
- Mohammed Fouda
  Rain Neuromorphics, San Fransisco, CA, USA
  ,
- Ahmed Eltawil
  KAUST, Thuwal, Saudi Arabia
GLSVLSI '23: Proceedings of the Great Lakes Symposium on VLSI 2023•June 2023, pp 403-407• https://doi.org/10.1145/3583781.3590301

Content addressable memory is one of the most frequently used technologies in Data-centric applications due to its exceptional search parallelism capability. SRAM cells were initially used to implement CAM designs. Recent innovations proposed using ...
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research-article
RIS-Aided mmWave MIMO Channel Estimation Using Deep Learning and Compressive Sensing
- Asmaa Abdallah
  Computer, Electrical, Mathematical Sciences and Engineering (CEMSE) Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
  ,
- Abdulkadir Celik
  Computer, Electrical, Mathematical Sciences and Engineering (CEMSE) Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
  ,
- Mohammad M. Mansour
  Department of Electrical and Computer Engineering, American University of Beirut (AUB), Beirut, Lebanon
  ,
- Ahmed M. Eltawil
  Computer, Electrical, Mathematical Sciences and Engineering (CEMSE) Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
IEEE Transactions on Wireless Communications, Volume 22, Issue 5•May 2023, pp 3503-3521 • https://doi.org/10.1109/TWC.2022.3219140
Reconfigurable intelligent surface (RIS) assisted wireless systems require accurate channel state information (CSI) to control wireless channels and improve both the bandwidth and energy efficiency. However, CSI acquisition is non-trivial for two reasons: ...
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Open Access
A Top-Down Survey on Optical Wireless Communications for the Internet of Things
- Abdulkadir Celik
  Computer, Electrical and Mathematical Sciences and Engineering Division, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
  ,
- Imene Romdhane
  Département de génie électrique, École de technologie supérieure, Montreal, Canada
  ,
- Georges Kaddoum
  Département de génie électrique, École de technologie supérieure, Montreal, Canada
  ,
- Ahmed M. Eltawil
  Computer, Electrical and Mathematical Sciences and Engineering Division, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
IEEE Communications Surveys & Tutorials, Volume 25, Issue 1•Firstquarter 2023, pp 1-45 • https://doi.org/10.1109/COMST.2022.3220504
The Internet of Things (IoT) is a transformative technology marking the beginning of a new era where physical, biological, and digital worlds are integrated by connecting a plethora of uniquely identifiable smart objects. Although the Internet of ...
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Deep Learning-Based Frequency-Selective Channel Estimation for Hybrid mmWave MIMO Systems
- Asmaa Abdallah
  Department of Electrical and Computer Engineering, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
  ,
- Abdulkadir Celik
  Department of Electrical and Computer Engineering, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
  ,
- Mohammad M. Mansour
  Department of Electrical and Computer Engineering, American University of Beirut (AUB), Beirut, Lebanon
  ,
- Ahmed M. Eltawil
  Department of Electrical and Computer Engineering, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
IEEE Transactions on Wireless Communications, Volume 21, Issue 6•June 2022, pp 3804-3821 • https://doi.org/10.1109/TWC.2021.3124202
Millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) systems typically employ hybrid mixed signal processing to avoid expensive hardware and high training overheads. However, the lack of fully digital beamforming at mmWave bands imposes ...
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Performance limits of wireless powered cooperative NOMA over generalized fading
- Galymzhan Nauryzbayev
  Department of Electrical and Computer Engineering, School of Engineering and Digital Sciences Nazarbayev University Nur‐Sultan Kazakhstan
  ,
- Orken Omarov
  Department of Electrical and Computer Engineering, School of Engineering and Digital Sciences Nazarbayev University Nur‐Sultan Kazakhstan
  ,
- Sultangali Arzykulov
  Computer, Electrical and Mathematical Science and Engineering Division King Abdullah University of Science and Technology Thuwal Saudi Arabia
  ,
- Khaled M. Rabie
  Department of Engineering Manchester Metropolitan University Manchester UK
  ,
- Xingwang Li
  School of Physics and Electronic Information Engineering Henan Polytechnic University Jiaozuo China
  ,
- Ahmed M. Eltawil
  Computer, Electrical and Mathematical Science and Engineering Division King Abdullah University of Science and Technology Thuwal Saudi Arabia
Transactions on Emerging Telecommunications Technologies, Volume 33, Issue 4•April 2022 • https://doi.org/10.1002/ett.4415
Abstract
The non‐orthogonal multiple access (NOMA) technique is a prospective solution to support the massive connectivity of an ever‐increasing number of wirelessly connected devices and address the spectrum scarcity issue. In this article, the outage ...
The analytical expressions for outage probability and ergodic capacity (as well as their asymptotic behavior) are derived for wireless powered cooperative NOMA over generalized and non‐homogeneous α−κ−μ fading channels, while considering hardware ...
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Enhancing QoS Through Fluid Antenna Systems over Correlated Nakagami-m Fading Channels
- Leila Tlebaldiyeva
  Nazarbayev University,School of Engineering and Digital Sciences,Nur-Sultan,Kazakhstan,Z05H0K3
  ,
- Galymzhan Nauryzbayev
  Nazarbayev University,School of Engineering and Digital Sciences,Nur-Sultan,Kazakhstan,Z05H0K3
  ,
- Sultangali Arzykulov
  King Abdullah University of Science and Technology,CEMSE Division,Thuwal,KSA,23955-6900
  ,
- Ahmed Eltawil
  King Abdullah University of Science and Technology,CEMSE Division,Thuwal,KSA,23955-6900
  ,
- Theodoros Tsiftsis
  University of Thessaly,Dept. of Computer Science & Telecommunications,Greece
2022 IEEE Wireless Communications and Networking Conference (WCNC)•April 2022, pp 78-83• https://doi.org/10.1109/WCNC51071.2022.9771633
Fluid antenna systems (FAS) enable mechanically flexible antennas that offer adaptability and flexibility for modern communication devices. In this work, we present a conceptual model for a single-antenna N-port (SANP) FAS over spatially correlated ...
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A hardware/software co-design methodology for in-memory processors
- Hasan Erdem Yantır
  Computer, Electrical and Mathematical Sciences and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
  TÜBİTAK – Informatics and Information Security Research Center, PO Box 74, Gebze, 41470 Kocaeli, Turkey
  ,
- Ahmed M. Eltawil
  Computer, Electrical and Mathematical Sciences and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
  ,
- Khaled N. Salama
  Computer, Electrical and Mathematical Sciences and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
Journal of Parallel and Distributed Computing, Volume 161, Issue C•Mar 2022, pp 63-71 • https://doi.org/10.1016/j.jpdc.2021.10.009
Abstract
The bottleneck between the processor and memory is the most significant barrier to the ongoing development of efficient processing systems. Therefore, a research effort begun to shift from processor-centric architectures to memory-...
Highlights

A hardware/software co-design flow specific to associative in-memory processors.
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Cognitive Non-ideal NOMA Satellite-Terrestrial Networks with Channel and Hardware Imperfections
- Yerassyl Akhmetkaziyev
  Nazarbayev University,School of Engineering and Digital Sciences,Nur-Sultan, Z05H0K3,Kazakhstan
  ,
- Galymzhan Nauryzbayev
  Nazarbayev University,School of Engineering and Digital Sciences,Nur-Sultan, Z05H0K3,Kazakhstan
  ,
- Sultangali Arzykulov
  Computer, Electrical, and Mathematical Sciences & Engineering Division,KAUST, Thuwal,KSA,23955-6900
  ,
- Ahmed M. Eltawil
  Computer, Electrical, and Mathematical Sciences & Engineering Division,KAUST, Thuwal,KSA,23955-6900
  ,
- Khaled M. Rabie
  Manchester Metropolitan University,Department of Engineering,Manchester, M15 6BH,UK
2021 IEEE Wireless Communications and Networking Conference (WCNC)•March 2021, pp 1-6• https://doi.org/10.1109/WCNC49053.2021.9417386
This paper investigates a non-orthogonal multiple access (NOMA) assisted cognitive satellite-terrestrial network which is practically limited by interference noises, transceiver hardware impairments, imperfect successive interference cancellation, and ...
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Capacity Analysis of Wireless Powered Cooperative NOMA Networks over Generalized Fading
- Orken Omarov
  Nazarbayev University,School of Engineering and Digital Sciences,Nur-Sultan,Kazakhstan,Z05H0K3
  ,
- Galymzhan Nauryzbayev
  Nazarbayev University,School of Engineering and Digital Sciences,Nur-Sultan,Kazakhstan,Z05H0K3
  ,
- Sultangali Arzykulov
  Computer, Electrical, and Mathematical Sciences & Engineering Division,KAUST,Thuwal,KSA,23955-6900
  ,
- Mohammad S. Hashmi
  Nazarbayev University,School of Engineering and Digital Sciences,Nur-Sultan,Kazakhstan,Z05H0K3
  ,
- Ahmed M. Eltawil
  Computer, Electrical, and Mathematical Sciences & Engineering Division,KAUST,Thuwal,KSA,23955-6900
2021 IEEE Wireless Communications and Networking Conference (WCNC)•March 2021, pp 1-6• https://doi.org/10.1109/WCNC49053.2021.9417356
This paper provides a performance evaluation of two-hop non-orthogonal multiple access (NOMA) architecture with energy harvesting (EH) cooperative agent and channel gains following the k-m fading, through analysis of ergodic capacity with respect to ...
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Published By ACM
Networking research for the Arab world: from regional initiatives to potential global impact
- Basem Shihada
  King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
  ,
- Tamer Elbatt
  The American University in Cairo, New Cairo, Egypt
  ,
- Ahmed Eltawil
  King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
  ,
- Mohammad Mansour
  American University of Beirut, Lebanon
  ,
- Essaid Sabir
  Hassan II University of Casablanca, Casablanca, Morocco
  ,
- Slim Rekhis
  University of Carthage, Tunis, Tunisia
  ,
- Sanaa Sharafeddine
  Lebanese American University, Beirut, Lebanon
Communications of the ACM, Volume 64, Issue 4•April 2021, pp 114-119 • https://doi.org/10.1145/3447748
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Description: The Author Profile Page initially collects all the professional information known about authors from the publications record as known by the ACM bibliographic database, the Guide. Coverage of ACM publications is comprehensive from the 1950's. Coverage of other publishers generally starts in the mid 1980's. The Author Profile Page supplies a quick snapshot of an author's contribution to the field and some rudimentary measures of influence upon it. Over time, the contents of the Author Profile page may expand at the direction of the community.
Please see the following 2007 Turing Award winners' profiles as examples:
History: Disambiguation of author names is of course required for precise identification of all the works, and only those works, by a unique individual. Of equal importance to ACM, author name normalization is also one critical prerequisite to building accurate citation and download statistics. For the past several years, ACM has worked to normalize author names, expand reference capture, and gather detailed usage statistics, all intended to provide the community with a robust set of publication metrics. The Author Profile Pages reveal the first result of these efforts.
Normalization: ACM uses normalization algorithms to weigh several types of evidence for merging and splitting names.
These include:
- co-authors: if we have two names and cannot disambiguate them based on name alone, then we see if they have a co-author in common. If so, this weighs towards the two names being the same person.
- affiliations: names in common with same affiliation weighs toward the two names being the same person.
- publication title: names in common whose works are published in same journal weighs toward the two names being the same person.
- keywords: names in common whose works address the same subject matter as determined from title and keywords, weigh toward being the same person.
The more conservative the merging algorithms, the more bits of evidence are required before a merge is made, resulting in greater precision but lower recall of works for a given Author Profile. Many bibliographic records have only author initials. Many names lack affiliations. With very common family names, typical in Asia, more liberal algorithms result in mistaken merges.

Automatic normalization of author names is not exact. Hence it is clear that manual intervention based on human knowledge is required to perfect algorithmic results. ACM is meeting this challenge, continuing to work to improve the automated merges by tweaking the weighting of the evidence in light of experience.
Bibliometrics: In 1926, Alfred Lotka formulated his power law (known as Lotka's Law) describing the frequency of publication by authors in a given field. According to this bibliometric law of scientific productivity, only a very small percentage (~6%) of authors in a field will produce more than 10 articles while the majority (perhaps 60%) will have but a single article published. With ACM's first cut at author name normalization in place, the distribution of our authors with 1, 2, 3..n publications does not match Lotka's Law precisely, but neither is the distribution curve far off. For a definition of ACM's first set of publication statistics, see Bibliometrics
Future Direction: The initial release of the Author Edit Screen is open to anyone in the community with an ACM account, but it is limited to personal information. An author's photograph, a Home Page URL, and an email may be added, deleted or edited. Changes are reviewed before they are made available on the live site.
ACM will expand this edit facility to accommodate more types of data and facilitate ease of community participation with appropriate safeguards. In particular, authors or members of the community will be able to indicate works in their profile that do not belong there and merge others that do belong but are currently missing.

A direct search interface for Author Profiles will be built.

An institutional view of works emerging from their faculty and researchers will be provided along with a relevant set of metrics.

It is possible, too, that the Author Profile page may evolve to allow interested authors to upload unpublished professional materials to an area available for search and free educational use, but distinct from the ACM Digital Library proper. It is hard to predict what shape such an area for user-generated content may take, but it carries interesting potential for input from the community.

Bibliometrics

The ACM DL is a comprehensive repository of publications from the entire field of computing.

It is ACM's intention to make the derivation of any publication statistics it generates clear to the user.

Average citations per article = The total Citation Count divided by the total Publication Count.
Citation Count = cumulative total number of times all authored works by this author were cited by other works within ACM's bibliographic database. Almost all reference lists in articles published by ACM have been captured. References lists from other publishers are less well-represented in the database. Unresolved references are not included in the Citation Count. The Citation Count is citations TO any type of work, but the references counted are only FROM journal and proceedings articles. Reference lists from books, dissertations, and technical reports have not generally been captured in the database. (Citation Counts for individual works are displayed with the individual record listed on the Author Page.)
Publication Count = all works of any genre within the universe of ACM's bibliographic database of computing literature of which this person was an author. Works where the person has role as editor, advisor, chair, etc. are listed on the page but are not part of the Publication Count.
Publication Years = the span from the earliest year of publication on a work by this author to the most recent year of publication of a work by this author captured within the ACM bibliographic database of computing literature (The ACM Guide to Computing Literature, also known as "the Guide".
Available for download = the total number of works by this author whose full texts may be downloaded from an ACM full-text article server. Downloads from external full-text sources linked to from within the ACM bibliographic space are not counted as 'available for download'.
Average downloads per article = The total number of cumulative downloads divided by the number of articles (including multimedia objects) available for download from ACM's servers.
Downloads (cumulative) = The cumulative number of times all works by this author have been downloaded from an ACM full-text article server since the downloads were first counted in May 2003. The counts displayed are updated monthly and are therefore 0-31 days behind the current date. Robotic activity is scrubbed from the download statistics.
Downloads (12 months) = The cumulative number of times all works by this author have been downloaded from an ACM full-text article server over the last 12-month period for which statistics are available. The counts displayed are usually 1-2 weeks behind the current date. (12-month download counts for individual works are displayed with the individual record.)
Downloads (6 weeks) = The cumulative number of times all works by this author have been downloaded from an ACM full-text article server over the last 6-week period for which statistics are available. The counts displayed are usually 1-2 weeks behind the current date. (6-week download counts for individual works are displayed with the individual record.)

ACM Author-Izer Service

Summary Description

ACM Author-Izer is a unique service that enables ACM authors to generate and post links on both their homepage and institutional repository for visitors to download the definitive version of their articles from the ACM Digital Library at no charge.

Downloads from these sites are captured in official ACM statistics, improving the accuracy of usage and impact measurements. Consistently linking to definitive version of ACM articles should reduce user confusion over article versioning.

ACM Author-Izer also extends ACM’s reputation as an innovative “Green Path” publisher, making ACM one of the first publishers of scholarly works to offer this model to its authors.

To access ACM Author-Izer, authors need to establish a free ACM web account. Should authors change institutions or sites, they can utilize the new ACM service to disable old links and re-authorize new links for free downloads from a different site.

How ACM Author-Izer Works

Authors may post ACM Author-Izer links in their own bibliographies maintained on their website and their own institution’s repository. The links take visitors to your page directly to the definitive version of individual articles inside the ACM Digital Library to download these articles for free.

The Service can be applied to all the articles you have ever published with ACM.

Depending on your previous activities within the ACM DL, you may need to take up to three steps to use ACM Author-Izer.

For authors who do not have a free ACM Web Account:

Go to the ACM DL http://dl.acm.org/ and click SIGN UP. Once your account is established, proceed to next step.

For authors who have an ACM web account, but have not edited their ACM Author Profile page:

Sign in to your ACM web account and go to your Author Profile page. Click "Add personal information" and add photograph, homepage address, etc. Click ADD AUTHOR INFORMATION to submit change. Once you receive email notification that your changes were accepted, you may utilize ACM Author-izer.

For authors who have an account and have already edited their Profile Page:

Sign in to your ACM web account, go to your Author Profile page in the Digital Library, look for the ACM Author-izer link below each ACM published article, and begin the authorization process. If you have published many ACM articles, you may find a batch Authorization process useful. It is labeled: "Export as: ACM Author-Izer Service"

ACM Author-Izer also provides code snippets for authors to display download and citation statistics for each “authorized” article on their personal pages. Downloads from these pages are captured in official ACM statistics, improving the accuracy of usage and impact measurements. Consistently linking to the definitive version of ACM articles should reduce user confusion over article versioning.

Note: You still retain the right to post your author-prepared preprint versions on your home pages and in your institutional repositories with DOI pointers to the definitive version permanently maintained in the ACM Digital Library. But any download of your preprint versions will not be counted in ACM usage statistics. If you use these AUTHOR-IZER links instead, usage by visitors to your page will be recorded in the ACM Digital Library and displayed on your page.

FAQ

Q. What is ACM Author-Izer?
A. ACM Author-Izer is a unique, link-based, self-archiving service that enables ACM authors to generate and post links on either their home page or institutional repository for visitors to download the definitive version of their articles for free.
Q. What articles are eligible for ACM Author-Izer?
A. ACM Author-Izer can be applied to all the articles authors have ever published with ACM. It is also available to authors who will have articles published in ACM publications in the future.

Q. Are there any restrictions on authors to use this service?
A. No. An author does not need to subscribe to the ACM Digital Library nor even be a member of ACM.

Q. What are the requirements to use this service?
A. To access ACM Author-Izer, authors need to have a free ACM web account, must have an ACM Author Profile page in the Digital Library, and must take ownership of their Author Profile page.

Q. What is an ACM Author Profile Page?
A. The Author Profile Page initially collects all the professional information known about authors from the publications record as known by the ACM Digital Library. The Author Profile Page supplies a quick snapshot of an author's contribution to the field and some rudimentary measures of influence upon it. Over time, the contents of the Author Profile page may expand at the direction of the community. Please visit the ACM Author Profile documentation page for more background information on these pages.

Q. How do I find my Author Profile page and take ownership?
A. You will need to take the following steps:
- Create a free ACM Web Account
- Sign-In to the ACM Digital Library
- Find your Author Profile Page by searching the ACM Digital Library for your name
- Find the result you authored (where your author name is a clickable link)
- Click on your name to go to the Author Profile Page
- Click the "Add Personal Information" link on the Author Profile Page
- Wait for ACM review and approval; generally less than 24 hours

Q. Why does my photo not appear?
A. Make sure that the image you submit is in .jpg or .gif format and that the file name does not contain special characters

Q. What if I cannot find the Add Personal Information function on my author page?
A. The ACM account linked to your profile page is different than the one you are logged into. Please logout and login to the account associated with your Author Profile Page.

Q. What happens if an author changes the location of his bibliography or moves to a new institution?
A. Should authors change institutions or sites, they can utilize ACM Author-Izer to disable old links and re-authorize new links for free downloads from a new location.

Q. What happens if an author provides a URL that redirects to the author’s personal bibliography page?
A. The service will not provide a free download from the ACM Digital Library. Instead the person who uses that link will simply go to the Citation Page for that article in the ACM Digital Library where the article may be accessed under the usual subscription rules.

However, if the author provides the target page URL, any link that redirects to that target page will enable a free download from the Service.

Q. What happens if the author’s bibliography lives on a page with several aliases?
A. Only one alias will work, whichever one is registered as the page containing the author’s bibliography. ACM has no technical solution to this problem at this time.

Q. Why should authors use ACM Author-Izer?
A. ACM Author-Izer lets visitors to authors’ personal home pages download articles for no charge from the ACM Digital Library. It allows authors to dynamically display real-time download and citation statistics for each “authorized” article on their personal site.

Q. Does ACM Author-Izer provide benefits for authors?
A. Downloads of definitive articles via Author-Izer links on the authors’ personal web page are captured in official ACM statistics to more accurately reflect usage and impact measurements.

Authors who do not use ACM Author-Izer links will not have downloads from their local, personal bibliographies counted. They do, however, retain the existing right to post author-prepared preprint versions on their home pages or institutional repositories with DOI pointers to the definitive version permanently maintained in the ACM Digital Library.

Q. How does ACM Author-Izer benefit the computing community?
A. ACM Author-Izer expands the visibility and dissemination of the definitive version of ACM articles. It is based on ACM’s strong belief that the computing community should have the widest possible access to the definitive versions of scholarly literature. By linking authors’ personal bibliography with the ACM Digital Library, user confusion over article versioning should be reduced over time.

In making ACM Author-Izer a free service to both authors and visitors to their websites, ACM is emphasizing its continuing commitment to the interests of its authors and to the computing community in ways that are consistent with its existing subscription-based access model.

Q. How do authors access ACM Author-Izer?
A. See How to Use

Q. Why can’t I find my most recent publication in my ACM Author Profile Page?
A. There is a time delay between publication and the process which associates that publication with an Author Profile Page. Right now, that process usually takes 4-8 weeks.

Q. How does ACM Author-Izer expand ACM’s “Green Path” Access Policies?
A. ACM Author-Izer extends the rights and permissions that authors retain even after copyright transfer to ACM, which has been among the “greenest” publishers. ACM enables its author community to retain a wide range of rights related to copyright and reuse of materials. They include:
- Posting rights that ensure free access to their work outside the ACM Digital Library and print publications
- Rights to reuse any portion of their work in new works that they may create
- Copyright to artistic images in ACM’s graphics-oriented publications that authors may want to exploit in commercial contexts
- All patent rights, which remain with the original owner