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Tharmalingam Ratnarajah

Tharmalingam Ratnarajah

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Electronics and Electrical Engineering 50 2832 2717 159 155 489 9010

Tharmalingam Ratnarajah publications per year

The chart shows the history of publications by Tharmalingam Ratnarajah between 1996 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Tharmalingam Ratnarajah published across 30 years, from 1996 to 2025, averaging 17.1 papers a year. Output peaked at 49 publications in 2014. 35 of the 513 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1996 to 2025. Vertical axis: number of publications, 0 to 49. Peak 49 publications in 2014. 1996: 1 publication 1997: 2 publications 1998: 5 publications 1999: 0 publications 2000: 3 publications 2001: 1 publication 2002: 0 publications 2003: 3 publications 2004: 2 publications 2005: 11 publications 2006: 13 publications 2007: 13 publications 2008: 14 publications 2009: 15 publications 2010: 22 publications 2011: 30 publications 2012: 36 publications 2013: 27 publications 2014: 49 publications 2015: 25 publications 2016: 39 publications 2017: 32 publications 2018: 24 publications 2019: 18 publications 2020: 20 publications 2021: 24 publications 2022: 27 publications 2023: 22 publications 2024: 26 publications 2025: 9 publications
1996 2025

513 publications in total across all disciplines

View publications per year as a table
Tharmalingam Ratnarajah: publications per year, 1996 to 2025
Year Publications
1996 1
1997 2
1998 5
1999 0
2000 3
2001 1
2002 0
2003 3
2004 2
2005 11
2006 13
2007 13
2008 14
2009 15
2010 22
2011 30
2012 36
2013 27
2014 49
2015 25
2016 39
2017 32
2018 24
2019 18
2020 20
2021 24
2022 27
2023 22
2024 26
2025 9
Total 513
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Tharmalingam Ratnarajah 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 Tharmalingam Ratnarajah 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, 474–493 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: 489 publications — 83rd percentile

83% 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
354–373 214
374–393 187
394–413 152
414–433 169
434–453 147
454–473 111
474–493 117 489
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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Tharmalingam Ratnarajah 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 Tharmalingam Ratnarajah 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, 50 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: 50 D-Index — 60th percentile

60% 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 50
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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Overview

Tharmalingam Ratnarajah is affiliated with the University of Edinburgh in the United Kingdom. Their research spans the fields of Engineering and Computer Science, with a particular focus on Electrical and Electronic Engineering, Aerospace Engineering, Computer Networks and Communications, Artificial Intelligence, and Biomedical Engineering.

The main topics of their work include:

  • Advanced MIMO Systems Optimization
  • Full-Duplex Wireless Communications
  • Advanced Wireless Communication Technologies
  • Energy Harvesting in Wireless Networks
  • Cooperative Communication and Network Coding
  • Radar Systems and Signal Processing
  • Antenna Design and Analysis

Tharmalingam Ratnarajah has a substantial number of publications in frequent venues such as:

  • arXiv (Cornell University)
  • IEEE Access
  • IEEE Transactions on Vehicular Technology
  • IEEE Transactions on Network Science and Engineering
  • IEEE Transactions on Wireless Communications

Selected recent papers include:

  • "Digital Twin Perspective of Fourth Industrial and Healthcare Revolution" (2022, IEEE Access)
  • "On Range Sidelobe Reduction for Dual-Functional Radar-Communication Waveforms" (2020, IEEE Wireless Communications Letters)
  • "Advanced Dynamic Spectrum 5G Mobile Networks Employing Licensed Shared Access" (2020, IEEE Communications Magazine)
  • "Design and Analysis of FD MIMO Cellular Systems in Coexistence With MIMO Radar" (2020, IEEE Transactions on Wireless Communications)
  • "In-Band Full-Duplex Dynamic Spectrum Sharing in Beyond 5G Networks" (2021, IEEE Communications Magazine)

Frequent co-authors who have collaborated with Ratnarajah include:

  • Navneet Garg
  • Haifeng Luo
  • Hanxiao Ge
  • Mathini Sellathurai
  • Anastasios Papazafeiropoulos

Best Publications

  • A Minorization-Maximization Method for Optimizing Sum Rate in the Downlink of Non-Orthogonal Multiple Access Systems

    Muhammad Fainan Hanif;Zhiguo Ding;Tharmalingam Ratnarajah;George K. Karagiannidis

  • Large-Scale MIMO Transmitters in Fixed Physical Spaces: The Effect of Transmit Correlation and Mutual Coupling

    C. Masouros;M. Sellathurai;T. Ratnarajah

  • MIMO Radar and Cellular Coexistence: A Power-Efficient Approach Enabled by Interference Exploitation

    Fan Liu;Christos Masouros;Ang Li;Tharmalingam Ratnarajah

  • Outage Analysis of Decode-and-Forward Cognitive Dual-Hop Systems With the Interference Constraint in Nakagami- $m$ Fading Channels

    Caijun Zhong;T. Ratnarajah;Kai-Kit Wong

  • On the Performance of Eigenvalue-Based Cooperative Spectrum Sensing for Cognitive Radio

    Ayse Kortun;Tharmalingam Ratnarajah;Mathini Sellathurai;Caijun Zhong

  • Robust MIMO Beamforming for Cellular and Radar Coexistence

    Fan Liu;Christos Masouros;Ang Li;Tharmalingam Ratnarajah

  • Sum Rate Analysis of ZF Receivers in Distributed MIMO Systems

    M. Matthaiou;Caijun Zhong;M. R. McKay;T. Ratnarajah

  • Known interference in the cellular downlink: a performance limiting factor or a source of green signal power?

    Christos Masouros;Tharmalingam Ratnarajah;Mathini Sellathurai;Constantinos B. Papadias

  • On the Performance of Relay Aided Millimeter Wave Networks

    Sudip Biswas;Satyanarayana Vuppala;Jiang Xue;Tharmalingam Ratnarajah

  • Deterministic Equivalent Performance Analysis of Time-Varying Massive MIMO Systems

    Anastasios K. Papazafeiropoulos;Tharmalingam Ratnarajah

  • Rate-Splitting to Mitigate Residual Transceiver Hardware Impairments in Massive MIMO Systems

    Anastasios Papazafeiropoulos;Bruno Clerckx;Tharmalingam Ratnarajah

  • Vector Perturbation Based on Symbol Scaling for Limited Feedback MISO Downlinks

    Christos Masouros;Mathini Sellathurai;Tharm Ratnarajah

  • Performance Analysis of IA Techniques in the MIMO IBC With Imperfect CSI

    Paula Aquilina;Tharmalingam Ratnarajah

  • On the Diversity-Multiplexing Tradeoff for Wireless Cooperative Multiple Access Systems

    Z. Ding;T. Ratnarajah;C.C.F. Cowan

  • Quadratic forms on complex random matrices and multiple-antenna systems

    T. Ratnarajah;R. Vaillancourt

  • Interference Optimization for Transmit Power Reduction in Tomlinson-Harashima Precoded MIMO Downlinks

    C. Masouros;M. Sellathurai;T. Ratnarajah

  • Weighted Sum Rate Maximization in Full-Duplex Multi-User Multi-Cell MIMO Networks

    Paula Aquilina;Ali Cagatay Cirik;Tharmalingam Ratnarajah

  • Performance Analysis of Large Multiuser MIMO Systems With Space-Constrained 2-D Antenna Arrays

    Sudip Biswas;Christos Masouros;Tharmalingam Ratnarajah

  • Complex random matrices and Rayleigh channel capacity

    Tharmalingam Ratnarajah;Rémi Vaillancourt;M. Alvo

  • Online Content Popularity Prediction and Learning in Wireless Edge Caching

    Navneet Garg;Mathini Sellathurai;Vimal Bhatia;B. N. Bharath

  • Power Allocation and Beamforming in Overlay Cognitive Radio Systems

    Liang Li;Faheem A. Khan;Marius Pesavento;T. Ratnarajah

Frequent Co-Authors

Mathini Sellathurai
Mathini Sellathurai Heriot-Watt University
Christos Masouros
Christos Masouros University College London
Zhiguo Ding
Zhiguo Ding Nanyang Technological University
Caijun Zhong
Caijun Zhong Zhejiang University
Constantinos B. Papadias
Constantinos B. Papadias American College of Greece
Vimal Bhatia
Vimal Bhatia Indian Institute of Technology Indore
Pei Xiao
Pei Xiao University of Surrey
Kai-Kit Wong
Kai-Kit Wong University College London
Marius Pesavento
Marius Pesavento Technical University of Darmstadt

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