World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Electronics and Electrical Engineering 53 2360 2261 918 859 229 14545
Computer Science 53 4733 4601 2203 2126 242 14620

Ahmed Helmy publications per year

The chart shows the history of publications by Ahmed Helmy between 1995 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Ahmed Helmy published across 31 years, from 1995 to 2025, averaging 8.2 papers a year. Output peaked at 36 publications in 2004. 8 of the 255 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1995 to 2025. Vertical axis: number of publications, 0 to 36. Peak 36 publications in 2004. 1995: 3 publications 1996: 1 publication 1997: 4 publications 1998: 4 publications 1999: 5 publications 2000: 7 publications 2001: 0 publications 2002: 9 publications 2003: 18 publications 2004: 36 publications 2005: 22 publications 2006: 8 publications 2007: 13 publications 2008: 11 publications 2009: 4 publications 2010: 23 publications 2011: 17 publications 2012: 13 publications 2013: 12 publications 2014: 6 publications 2015: 4 publications 2016: 3 publications 2017: 8 publications 2018: 7 publications 2019: 4 publications 2020: 0 publications 2021: 0 publications 2022: 2 publications 2023: 3 publications 2024: 3 publications 2025: 5 publications
1995 2025

255 publications in total across all disciplines

View publications per year as a table
Ahmed Helmy: publications per year, 1995 to 2025
Year Publications
1995 3
1996 1
1997 4
1998 4
1999 5
2000 7
2001 0
2002 9
2003 18
2004 36
2005 22
2006 8
2007 13
2008 11
2009 4
2010 23
2011 17
2012 13
2013 12
2014 6
2015 4
2016 3
2017 8
2018 7
2019 4
2020 0
2021 0
2022 2
2023 3
2024 3
2025 5
Total 255
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Ahmed Helmy 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 Ahmed Helmy 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, 214–233 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: 229 publications — 39th percentile

39% 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
214–233 431 229
234–253 399
254–273 366
274–293 335
294–313 300
314–333 276
334–353 250
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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Ahmed Helmy 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 Ahmed Helmy 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, 53 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: 53 D-Index — 66th percentile

66% 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
45 189
46 148
47 160
48 134
49 130
50 141
51 156
52 108
53 130 53
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

  • 2019 - IEEE Fellow For contributions to routing protocol design and mobility modeling
  • 2014 - ACM Distinguished Member
  • 2012 - ACM Senior Member

Overview

Ahmed Helmy is affiliated with the University of North Carolina at Charlotte in the United States. Their research primarily focuses on the field of Medicine, with particular attention to Cardiology and Cardiovascular Medicine, Radiology, Nuclear Medicine and Imaging, Ocean Engineering, Computer Vision and Pattern Recognition, and Molecular Biology.

The scientist's work spans a range of topics related to medical imaging, diagnostics, and computational methods. Main research topics include:

  • Cardiac Imaging and Diagnostics
  • Human Pose and Action Recognition
  • EEG and Brain-Computer Interfaces
  • Non-Invasive Vital Sign Monitoring
  • Optical Imaging and Spectroscopy Techniques
  • Chemotherapy-induced cardiotoxicity and mitigation
  • Cardiac electrophysiology and arrhythmias

Notable recent publications by Ahmed Helmy cover diverse aspects of medical and engineering research. Selected papers include:

  • EF-Net: Mental State Recognition by Analyzing Multimodal EEG-fNIRS via CNN, 2024, Sensors
  • Anthracyclines and the risk of arrhythmias: A systematic review and meta-analysis, 2023, Medicine
  • Machine Learning Models to Predict Production Rate of Sucker Rod Pump Wells, 2024, SPE Western Regional Meeting
  • Serum trimethylamine N-oxide levels among coronary artery disease and acute coronary syndrome patients: a systematic review and meta-analysis, 2023, Annals of Medicine and Surgery
  • Serum Trimethylamine N-Oxide, Choline, Betaine, and Carnitine levels among Coronary Artery Disease patients, 2023, American Heart Journal

The venues where Ahmed Helmy frequently publishes include:

  • arXiv (Cornell University)
  • American Heart Journal
  • Sensors
  • Medicine
  • SPE Western Regional Meeting

Ahmed Helmy has collaborated with several frequent co-authors, among them:

  • Hani Aiash
  • Yomna E. Dean
  • Karam R. Motawea
  • Omar Khalid Samir Abdelkader
  • Ahmed Khalifa

The scientist has received recognition in the form of professional memberships and distinctions, including:

  • IEEE Fellow, awarded in 2019 for contributions to routing protocol design and mobility modeling
  • ACM Distinguished Member, awarded in 2014
  • ACM Senior Member, awarded in 2012

Best Publications

  • Protocol Independent Multicast-Sparse Mode (PIM-SM): Protocol Specification

    D. Estrin;D. Farinacci;A. Helmy;D. Thaler

  • IMPORTANT: a framework to systematically analyze the Impact of Mobility on Performance of Routing Protocols for Adhoc Networks

    F. Bai;Narayanan Sadagopan;A. Helmy

  • Advances in network simulation

    L. Breslau;D. Estrin;K. Fall;S. Floyd

  • The IMPORTANT framework for analyzing the Impact of Mobility on Performance Of RouTing protocols for Adhoc NeTworks

    Fan Bai;Narayanan Sadagopan;Ahmed Helmy

  • Energy-efficient forwarding strategies for geographic routing in lossy wireless sensor networks

    Karim Seada;Marco Zuniga;Ahmed Helmy;Bhaskar Krishnamachari

  • The ACQUIRE mechanism for efficient querying in sensor networks

    N. Sadagopan;B. Krishnamachari;A. Helmy

  • Modeling Time-Variant User Mobility in Wireless Mobile Networks

    Wei-jen Hsu;T. Spyropoulos;K. Psounis;A. Helmy

  • Improving Simulation for Network Research

    Sandeep Bajaj;Lee Breslau;Deborah Estrin;Kevin R. Fall

  • PATHS: analysis of PATH duration statistics and their impact on reactive MANET routing protocols

    Narayanan Sadagopan;Fan Bai;Bhaskar Krishnamachari;Ahmed Helmy

  • Small worlds in wireless networks

    A. Helmy

  • On the effect of localization errors on geographic face routing in sensor networks

    Karim Seada;Ahmed Helmy;Ramesh Govindan

  • Modeling path duration distributions in MANETs and their impact on reactive routing protocols

    F. Bai;N. Sadagopan;B. Krishnamachari;A. Helmy

  • A survey of mobility modeling and analysis in wireless adhoc networks

    Fan Bai;Ahmed Helmy

  • Weighted waypoint mobility model and its impact on ad hoc networks

    Wei-jen Hsu;Kashyap Merchant;Haw-wei Shu;Chih-hsin Hsu

  • Modeling spatial and temporal dependencies of user mobility in wireless mobile networks

    Wei-Jen Hsu;Thrasyvoulos Spyropoulos;Konstantinos Psounis;Ahmed Helmy

  • Active query forwarding in sensor networks

    Narayanan Sadagopan;Bhaskar Krishnamachari;Ahmed Helmy

  • Protocol Independent Multicast Version 2 Dense Mode Specification

    Dino Farinacci;Ahmed Helmy;Van Jacobson;Liming Wei

  • The effect of mobility-induced location errors on geographic routing in mobile ad hoc sensor networks: analysis and improvement using mobility prediction

    D. Son;A. Helmy;B. Krishnamachari

  • On Nodal Encounter Patterns in Wireless LAN Traces

    Wei-jen Hsu;Ahmed Helmy

  • TCP over multihop 802.11 networks: issues and performance enhancement

    Kitae Nahm;Ahmed Helmy;C.-C. Jay Kuo

  • Protocol independent multicast-dense mode (pim-dm): protocol specification

    Deborah Estrin;Dino Farinacci;Ahmed Helmy;Van Jacobson

Frequent Co-Authors

Deborah Estrin
Deborah Estrin Cornell University
Bhaskar Krishnamachari
Bhaskar Krishnamachari University of Southern California
Pan Hui
Pan Hui Hong Kong University of Science and Technology
Mark Handley
Mark Handley University College London
Fan Bai
Fan Bai General Motors (United States)
Ramesh Govindan
Ramesh Govindan University of Southern California
Van Jacobson
Van Jacobson University of California, Los Angeles
Dino Farinacci
Dino Farinacci lispers.net
Puneet Sharma
Puneet Sharma Hewlett-Packard (United States)
Polly Huang
Polly Huang National Taiwan University

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