World's Best Scientists 2026 revealed!
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Computer Science
Qatar
2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Electronics and Electrical Engineering 44 3661 3515 7 7 350 11059
Computer Science 46 6735 6541 9 9 352 11351

Ali Ghrayeb publications per year

The chart shows the history of publications by Ali Ghrayeb between 1997 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Ali Ghrayeb published across 30 years, from 1997 to 2026, averaging 13.4 papers a year. Output peaked at 33 publications in 2025. 34 of the 402 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1997 to 2026. Vertical axis: number of publications, 0 to 33. Peak 33 publications in 2025. 1997: 1 publication 1998: 1 publication 1999: 1 publication 2000: 6 publications 2001: 2 publications 2002: 5 publications 2003: 5 publications 2004: 22 publications 2005: 7 publications 2006: 17 publications 2007: 25 publications 2008: 12 publications 2009: 16 publications 2010: 16 publications 2011: 8 publications 2012: 15 publications 2013: 18 publications 2014: 21 publications 2015: 15 publications 2016: 15 publications 2017: 14 publications 2018: 11 publications 2019: 16 publications 2020: 23 publications 2021: 27 publications 2022: 7 publications 2023: 10 publications 2024: 32 publications 2025: 33 publications 2026: 1 publication
1997 2026

402 publications in total across all disciplines

View publications per year as a table
Ali Ghrayeb: publications per year, 1997 to 2026
Year Publications
1997 1
1998 1
1999 1
2000 6
2001 2
2002 5
2003 5
2004 22
2005 7
2006 17
2007 25
2008 12
2009 16
2010 16
2011 8
2012 15
2013 18
2014 21
2015 15
2016 15
2017 14
2018 11
2019 16
2020 23
2021 27
2022 7
2023 10
2024 32
2025 33
2026 1
Total 402
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Ali Ghrayeb publication distribution in Electronics and Electrical Engineering in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Electronics and Electrical Engineering in 2026. The highlighted bar marks where Ali Ghrayeb sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 53 bars. Horizontal axis: publications, 34–53 to 1,065+. Vertical axis: number of scientists, 0 to 445. Most scientists, 445, have 174–193 publications. The last bar groups every scientist with 1,065 publications or more. The highlighted bar, 334–353 publications, is where this scientist sits. 34–53 publications: 24 scientists 54–73 publications: 52 scientists 74–93 publications: 114 scientists 94–113 publications: 203 scientists 114–133 publications: 269 scientists 134–153 publications: 355 scientists 154–173 publications: 403 scientists 174–193 publications: 445 scientists 194–213 publications: 430 scientists 214–233 publications: 431 scientists 234–253 publications: 399 scientists 254–273 publications: 366 scientists 274–293 publications: 335 scientists 294–313 publications: 300 scientists 314–333 publications: 276 scientists 334–353 publications: 250 scientists 354–373 publications: 214 scientists 374–393 publications: 187 scientists 394–413 publications: 152 scientists 414–433 publications: 169 scientists 434–453 publications: 147 scientists 454–473 publications: 111 scientists 474–493 publications: 117 scientists 494–513 publications: 103 scientists 514–533 publications: 99 scientists 534–553 publications: 92 scientists 554–573 publications: 75 scientists 574–593 publications: 58 scientists 594–613 publications: 69 scientists 614–633 publications: 50 scientists 634–653 publications: 62 scientists 654–673 publications: 54 scientists 674–693 publications: 44 scientists 694–713 publications: 37 scientists 714–733 publications: 28 scientists 734–753 publications: 26 scientists 754–773 publications: 26 scientists 774–793 publications: 19 scientists 794–813 publications: 23 scientists 814–833 publications: 20 scientists 834–853 publications: 16 scientists 854–873 publications: 20 scientists 874–893 publications: 11 scientists 894–913 publications: 11 scientists 914–933 publications: 16 scientists 934–953 publications: 13 scientists 954–973 publications: 10 scientists 974–993 publications: 11 scientists 994–1,013 publications: 9 scientists 1,014–1,033 publications: 9 scientists 1,034–1,053 publications: 10 scientists 1,054–1,064 publications: 6 scientists 1,065+ publications: 99 scientists
34–53 publications 1,065+

This scientist: 350 publications — 67th percentile

67% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,065 publications or more.

View publications distribution as a table
Number of Electronics and Electrical Engineering scientists by publication count, Research.com 2026 ranking edition. Based on 6,875 ranked scientists.
Publications Scientists This scientist
34–53 24
54–73 52
74–93 114
94–113 203
114–133 269
134–153 355
154–173 403
174–193 445
194–213 430
214–233 431
234–253 399
254–273 366
274–293 335
294–313 300
314–333 276
334–353 250 350
354–373 214
374–393 187
394–413 152
414–433 169
434–453 147
454–473 111
474–493 117
494–513 103
514–533 99
534–553 92
554–573 75
574–593 58
594–613 69
614–633 50
634–653 62
654–673 54
674–693 44
694–713 37
714–733 28
734–753 26
754–773 26
774–793 19
794–813 23
814–833 20
834–853 16
854–873 20
874–893 11
894–913 11
914–933 16
934–953 13
954–973 10
974–993 11
994–1,013 9
1,014–1,033 9
1,034–1,053 10
1,054–1,064 6
1,065+ 99
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Ali Ghrayeb D-index placement in Electronics and Electrical Engineering in 2026

The chart shows the D-index (discipline H-index) distribution of Electronics and Electrical Engineering scientists ranked by Research.com in 2026. The highlighted bar marks where Ali Ghrayeb sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 82 bars. Horizontal axis: D-Index, 30 to 111+. Vertical axis: number of scientists, 0 to 263. Most scientists, 263, have 32 D-Index. The last bar groups every scientist with 111 D-Index or more. The highlighted bar, 44 D-Index, is where this scientist sits. 30 D-Index: 178 scientists 31 D-Index: 257 scientists 32 D-Index: 263 scientists 33 D-Index: 262 scientists 34 D-Index: 244 scientists 35 D-Index: 236 scientists 36 D-Index: 211 scientists 37 D-Index: 220 scientists 38 D-Index: 214 scientists 39 D-Index: 214 scientists 40 D-Index: 205 scientists 41 D-Index: 187 scientists 42 D-Index: 194 scientists 43 D-Index: 201 scientists 44 D-Index: 155 scientists 45 D-Index: 189 scientists 46 D-Index: 148 scientists 47 D-Index: 160 scientists 48 D-Index: 134 scientists 49 D-Index: 130 scientists 50 D-Index: 141 scientists 51 D-Index: 156 scientists 52 D-Index: 108 scientists 53 D-Index: 130 scientists 54 D-Index: 112 scientists 55 D-Index: 97 scientists 56 D-Index: 111 scientists 57 D-Index: 102 scientists 58 D-Index: 108 scientists 59 D-Index: 120 scientists 60 D-Index: 103 scientists 61 D-Index: 93 scientists 62 D-Index: 92 scientists 63 D-Index: 74 scientists 64 D-Index: 77 scientists 65 D-Index: 73 scientists 66 D-Index: 64 scientists 67 D-Index: 69 scientists 68 D-Index: 60 scientists 69 D-Index: 39 scientists 70 D-Index: 57 scientists 71 D-Index: 59 scientists 72 D-Index: 46 scientists 73 D-Index: 49 scientists 74 D-Index: 38 scientists 75 D-Index: 35 scientists 76 D-Index: 32 scientists 77 D-Index: 35 scientists 78 D-Index: 31 scientists 79 D-Index: 22 scientists 80 D-Index: 34 scientists 81 D-Index: 31 scientists 82 D-Index: 34 scientists 83 D-Index: 23 scientists 84 D-Index: 18 scientists 85 D-Index: 30 scientists 86 D-Index: 19 scientists 87 D-Index: 19 scientists 88 D-Index: 20 scientists 89 D-Index: 8 scientists 90 D-Index: 17 scientists 91 D-Index: 7 scientists 92 D-Index: 14 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 12 scientists 97 D-Index: 10 scientists 98 D-Index: 10 scientists 99 D-Index: 12 scientists 100 D-Index: 16 scientists 101 D-Index: 5 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 8 scientists 105 D-Index: 9 scientists 106 D-Index: 13 scientists 107 D-Index: 4 scientists 108 D-Index: 5 scientists 109 D-Index: 10 scientists 110 D-Index: 8 scientists 111+ D-Index: 96 scientists
30 D-Index 111+

This scientist: 44 D-Index — 47th percentile

47% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 111 D-Index or more.

View D-Index distribution as a table
Number of Electronics and Electrical Engineering scientists by D-index, Research.com 2026 ranking edition. Based on 6,875 ranked scientists.
D-Index Scientists This scientist
30 178
31 257
32 263
33 262
34 244
35 236
36 211
37 220
38 214
39 214
40 205
41 187
42 194
43 201
44 155 44
45 189
46 148
47 160
48 134
49 130
50 141
51 156
52 108
53 130
54 112
55 97
56 111
57 102
58 108
59 120
60 103
61 93
62 92
63 74
64 77
65 73
66 64
67 69
68 60
69 39
70 57
71 59
72 46
73 49
74 38
75 35
76 32
77 35
78 31
79 22
80 34
81 31
82 34
83 23
84 18
85 30
86 19
87 19
88 20
89 8
90 17
91 7
92 14
93 9
94 15
95 10
96 12
97 10
98 10
99 12
100 16
101 5
102 7
103 7
104 8
105 9
106 13
107 4
108 5
109 10
110 8
111+ 96
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Research.com Recognitions

  • 2026 - Research.com Computer Science in Qatar Leader Award
  • 2025 - Research.com Computer Science in Qatar Leader Award

Overview

Ali Ghrayeb is affiliated with Texas A&M University at Qatar in Qatar. Their research primarily spans the field of Engineering, with a focus on Electrical and Electronic Engineering. Their work additionally covers Aerospace Engineering, Computer Networks and Communications, Control and Systems Engineering, and Information Systems as subfields of study.

The main topics of Ali Ghrayeb's research include Advanced Wireless Communication Technologies, Optical Wireless Communication Technologies, Advanced MIMO Systems Optimization, IoT Networks and Protocols, Energy Load and Power Forecasting, Antenna Design and Analysis, and Full-Duplex Wireless Communications.

Some of the recent papers authored by or involving Ali Ghrayeb are:

  • Age of Information Aware Trajectory Planning of UAVs in Intelligent Transportation Systems: A Deep Learning Approach, 2020, IEEE Transactions on Vehicular Technology
  • Smart Grid Big Data Analytics: Survey of Technologies, Techniques, and Applications, 2020, IEEE Access
  • Leveraging UAVs for Coverage in Cell-Free Vehicular Networks: A Deep Reinforcement Learning Approach, 2020, IEEE Transactions on Mobile Computing
  • Online Altitude Control and Scheduling Policy for Minimizing AoI in UAV-assisted IoT Wireless Networks, 2020, IEEE Transactions on Mobile Computing
  • Household-Level Energy Forecasting in Smart Buildings Using a Novel Hybrid Deep Learning Model, 2021, IEEE Access

Frequent coauthors collaborating with Ali Ghrayeb include:

  • Chadi Assi
  • Mohamed Amine Arfaoui
  • Haitham Abu-Rub
  • Shady S. Refaat
  • Mohamed Elhattab

The common venues where Ali Ghrayeb publishes research are:

  • arXiv (Cornell University)
  • IEEE Access
  • IEEE Transactions on Vehicular Technology
  • IEEE Transactions on Communications
  • IEEE Communications Letters

Best Publications

  • Spatial Modulation for Generalized MIMO: Challenges, Opportunities, and Implementation

    Marco Di Renzo;Harald Haas;Ali Ghrayeb;Shinya Sugiura

  • Space shift keying modulation for MIMO channels

    J. Jeganathan;A. Ghrayeb;L. Szczecinski;A. Ceron

  • Spatial modulation: optimal detection and performance analysis

    J. Jeganathan;A. Ghrayeb;L. Szczecinski

  • Generalized space shift keying modulation for MIMO channels

    J. Jeganathan;A. Ghrayeb;L. Szczecinski

  • UAV Trajectory Planning for Data Collection from Time-Constrained IoT Devices

    Moataz Samir;Sanaa Sharafeddine;Chadi M. Assi;Tri Minh Nguyen

  • Coding for MIMO Communication Systems

    Tolga M. Duman;Ali Ghrayeb

  • Performance analysis of MIMO systems with antenna selection over quasi-static fading channels

    A. Ghrayeb;T.M. Duman

  • Compressive sensing-based channel estimation for massive multiuser MIMO systems

    Sinh Le Hong Nguyen;Ali Ghrayeb

  • Physical Layer Security for Visible Light Communication Systems: A Survey

    Mohamed Amine Arfaoui;Mohammad Dehghani Soltani;Iman Tavakkolnia;Ali Ghrayeb

  • Age of Information Aware Trajectory Planning of UAVs in Intelligent Transportation Systems: A Deep Learning Approach

    Moataz Samir;Chadi Assi;Sanaa Sharafeddine;Dariush Ebrahimi

  • Modeling Heterogeneous Cellular Networks Interference Using Poisson Cluster Processes

    Young Jin Chun;Mazen O. Hasna;Ali Ghrayeb

  • Optimizing Age of Information Through Aerial Reconfigurable Intelligent Surfaces: A Deep Reinforcement Learning Approach

    Moataz Samir;Mohamed Elhattab;Chadi Assi;Sanaa Sharafeddine

  • Smart Grid Big Data Analytics: Survey of Technologies, Techniques, and Applications

    Dabeeruddin Syed;Ameema Zainab;Ali Ghrayeb;Shady S. Refaat

  • Leveraging UAVs for Coverage in Cell-Free Vehicular Networks: A Deep Reinforcement Learning Approach

    Moataz Samir;Dariush Ebrahimi;Chadi Assi;Sanaa Sharafeddine

  • Performance bounds for space-time block codes with receive antenna selection

    Xiang Nian Zeng;A. Ghrayeb

  • Online Altitude Control and Scheduling Policy for Minimizing AoI in UAV-assisted IoT Wireless Networks

    Moataz Samir;Chadi Assi;Sanaa Sharafeddine;Ali Ghrayeb

  • Collaborative Null-Steering Beamforming for Uniformly Distributed Wireless Sensor Networks

    K. Zarifi;S. Affes;A. Ghrayeb

  • Construction of cyclic codes over GF(4) for DNA computing

    Taher Abualrub;Ali Ghrayeb;Xiang Nian Zeng

  • Household-Level Energy Forecasting in Smart Buildings Using a Novel Hybrid Deep Learning Model

    Dabeeruddin Syed;Haitham Abu-Rub;Ali Ghrayeb;Shady S. Refaat

  • Deep Learning-Based Short-Term Load Forecasting Approach in Smart Grid With Clustering and Consumption Pattern Recognition

    Dabeeruddin Syed;Haitham Abu-Rub;Ali Ghrayeb;Shady S. Refaat

  • A Stochastic Geometric Analysis of Device-to-Device Communications Operating Over Generalized Fading Channels

    Young Jin Chun;Simon L. Cotton;Harpreet S. Dhillon;Ali Ghrayeb

  • A blind carrier frequency offset estimation scheme for OFDM systems with constant modulus signaling

    Xiang Zeng;A. Ghrayeb

  • Optimized Provisioning of Edge Computing Resources With Heterogeneous Workload in IoT Networks

    Nouha Kherraf;Hyame Assem Alameddine;Sanaa Sharafeddine;Chadi M. Assi

  • Spatial Modulation for Generalized MIMO: Challenges, Opportunities, and Implementation This tutorial paper offers a comprehensive overview of the state of the art in spatial modulation for generalized multiple-input-multiple-output (MIMO) technologies.

    Marco Di Renzo;Harald Haas;Ali Ghrayeb;Shinya Sugiura

Frequent Co-Authors

Chadi Assi
Chadi Assi Concordia University
Mazen O. Hasna
Mazen O. Hasna Qatar University
Sofiene Affes
Sofiene Affes Institut National de la Recherche Scientifique
Tolga M. Duman
Tolga M. Duman Bilkent University
Harald Haas
Harald Haas University of Cambridge
Khalid A. Qaraqe
Khalid A. Qaraqe Hamad bin Khalifa University
Majid Safari
Majid Safari University of Edinburgh
Haitham Abu-Rub
Haitham Abu-Rub Hamad bin Khalifa University
William E. Ryan
William E. Ryan Zeta Associates
Walaa Hamouda
Walaa Hamouda Concordia University

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