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Theodoros A. Tsiftsis

Theodoros A. Tsiftsis

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Electronics and Electrical Engineering
Greece
2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Electronics and Electrical Engineering 57 1965 1885 9 9 386 12614

Theodoros A. Tsiftsis publications per year

The chart shows the history of publications by Theodoros A. Tsiftsis between 2004 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Theodoros A. Tsiftsis published across 22 years, from 2004 to 2025, averaging 18.7 papers a year. Output peaked at 42 publications in 2019. 58 of the 411 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 2004 to 2025. Vertical axis: number of publications, 0 to 42. Peak 42 publications in 2019. 2004: 3 publications 2005: 4 publications 2006: 13 publications 2007: 3 publications 2008: 9 publications 2009: 5 publications 2010: 8 publications 2011: 9 publications 2012: 4 publications 2013: 9 publications 2014: 8 publications 2015: 18 publications 2016: 26 publications 2017: 28 publications 2018: 31 publications 2019: 42 publications 2020: 39 publications 2021: 22 publications 2022: 33 publications 2023: 39 publications 2024: 36 publications 2025: 22 publications
2004 2025

411 publications in total across all disciplines

View publications per year as a table
Theodoros A. Tsiftsis: publications per year, 2004 to 2025
Year Publications
2004 3
2005 4
2006 13
2007 3
2008 9
2009 5
2010 8
2011 9
2012 4
2013 9
2014 8
2015 18
2016 26
2017 28
2018 31
2019 42
2020 39
2021 22
2022 33
2023 39
2024 36
2025 22
Total 411
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Theodoros A. Tsiftsis publications per year - data summary

  • Theodoros A. Tsiftsis, a Electronics and Electrical Engineering scholar from University Of Thessaly, has 411 publications recorded across 22 years, from 2004 to 2025.
  • The oldest publication on record dates to 2004 and the most recent to 2025.
  • The most productive year is 2019, with 42 publications.
  • The least productive years with any output are 2004 and 2007, with 3 publications each.
  • The rate of publication averages 18.7 papers per year over the whole span, or 18.7 per year counting only the 22 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 152 publications, 37% of the career total.
  • Split into equal eras - 2004-2011: 54 publications (6.8 per year); 2012-2019: 166 publications (20.8 per year); 2020-2025: 191 publications (31.8 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Theodoros A. Tsiftsis 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 Theodoros A. Tsiftsis 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, 374–393 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: 386 publications — 73rd percentile

73% 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
374–393 187 386
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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Theodoros A. Tsiftsis publication distribution in Electronics and Electrical Engineering in 2026 - data summary

  • The chart plots the publication count of all 6,875 Electronics and Electrical Engineering scientists ranked by Research.com in 2026, grouped into 53 ranges running from 34–53 to 1,065+ publications.
  • Theodoros A. Tsiftsis, a Electronics and Electrical Engineering scholar from University Of Thessaly, records 386 publications - the 73rd percentile of the discipline.
  • 73% of ranked Electronics and Electrical Engineering scientists score the same or lower than Theodoros A. Tsiftsis, and about 27% score higher.
  • The median of the discipline falls in the 254–273 publications range, and Theodoros A. Tsiftsis ranks above the median.
  • The most crowded range is 174–193 publications, holding 445 scientists (6% of the field).
  • 60% of the field sits in the lowest quarter of the value range (up to 294–313 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 1,065 publications or more, 99 scientists in all (1% of the field).

Theodoros A. Tsiftsis 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 Theodoros A. Tsiftsis 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, 57 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: 57 D-Index — 72nd percentile

72% 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
54 112
55 97
56 111
57 102 57
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
Download as CSV

Theodoros A. Tsiftsis D-index placement in Electronics and Electrical Engineering in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 6,875 Electronics and Electrical Engineering scientists ranked by Research.com in 2026, grouped into 82 ranges running from 30 to 111+ D-Index.
  • Theodoros A. Tsiftsis, a Electronics and Electrical Engineering scholar from University Of Thessaly, records 57 D-Index - the 72nd percentile of the discipline.
  • 72% of ranked Electronics and Electrical Engineering scientists score the same or lower than Theodoros A. Tsiftsis, and about 28% score higher.
  • The median of the discipline falls in the 46 D-Index range, and Theodoros A. Tsiftsis ranks above the median.
  • The most crowded range is 32 D-Index, holding 263 scientists (4% of the field).
  • 60% of the field sits in the lowest quarter of the value range (up to 50 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 111 D-Index or more, 96 scientists in all (1% of the field).

Research.com Recognitions

  • 2026 - Research.com Electronics and Electrical Engineering in Greece Leader Award
  • 2025 - Research.com Electronics and Electrical Engineering in Greece Leader Award

Overview

Theodoros A. Tsiftsis is affiliated with the University Of Thessaly in Greece and has a research portfolio focused primarily on engineering and computer science. Their work spans several subfields, including electrical and electronic engineering, aerospace engineering, computer networks and communications, ocean engineering, and biomedical engineering.

Their publications cover a broad spectrum of advanced wireless communication technologies, with particular attention to advanced MIMO systems optimization, wireless communication security techniques, satellite communication systems, UAV applications and optimization, energy harvesting in wireless networks, and cooperative communication and network coding.

Frequent venues where Theodoros A. Tsiftsis's research appears include:

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

Notable recent papers include:

  • "Secrecy Performance Analysis of RIS-Aided Wireless Communication Systems," 2020, IEEE Transactions on Vehicular Technology
  • "Reconfigurable Intelligent Surface Assisted Two-Way Communications: Performance Analysis and Optimization," 2020, IEEE Transactions on Communications
  • "Private 5G Networks: Concepts, Architectures, and Research Landscape," 2021, IEEE Journal of Selected Topics in Signal Processing
  • "Physical-Layer Authentication for Ambient Backscatter-Aided NOMA Symbiotic Systems," 2023, IEEE Transactions on Communications
  • "Is Backscatter Link Stronger than Direct Link in Reconfigurable Intelligent Surface-Assisted System?," 2020, IEEE Communications Letters

Theodoros collaborates frequently with several researchers including Hongwu Liu, Nikolaos I. Miridakis, Alexandros-Apostolos A. Boulogeorgos, Nan Qi, and Guanghua Yang. These collaborations reflect a consistent research network focused on wireless communications and systems optimization.

Their research topics have a wide application scope, reflecting the interdisciplinary nature of current wireless communication technologies and the ongoing advancement in security, optimization, and emerging network architectures.

Best Publications

  • Optical wireless links with spatial diversity over strong atmospheric turbulence channels

    T.A. Tsiftsis;H.G. Sandalidis;G.K. Karagiannidis;M. Uysal

  • Optical Wireless Communications With Heterodyne Detection Over Turbulence Channels With Pointing Errors

    H.G. Sandalidis;T.A. Tsiftsis;G.K. Karagiannidis

  • Bounds for multihop relayed communications in nakagami-m fading

    G.K. Karagiannidis;T.A. Tsiftsis;R.K. Mallik

  • BER Performance of FSO Links over Strong Atmospheric Turbulence Channels with Pointing Errors

    H.G. Sandalidis;T.A. Tsiftsis;G.K. Karagiannidis;M. Uysal

  • A Survey on Spatial Modulation in Emerging Wireless Systems: Research Progresses and Applications

    Miaowen Wen;Beixiong Zheng;Kyeong Jin Kim;Marco Di Renzo

  • Free-Space Optical Communication with Nonzero Boresight Pointing Errors

    Fan Yang;Julian Cheng;Theodoros A. Tsiftsis

  • An Amateur Drone Surveillance System Based on the Cognitive Internet of Things

    Guoru Ding;Qihui Wu;Linyuan Zhang;Yun Lin

  • Secrecy Performance Analysis of RIS-Aided Wireless Communication Systems

    Liang Yang;Jinxia Yang;Wenwu Xie;Mazen O. Hasna

  • Reconfigurable Intelligent Surface Assisted Two–Way Communications: Performance Analysis and Optimization

    Saman Atapattu;Rongfei Fan;Prathapasinghe Dharmawansa;Gongpu Wang

  • Performance analysis of free-space optical communication systems over atmospheric turbulence channels

    Hector E. Nistazakis;Theodoros A. Tsiftsis;George S. Tombras

  • Closed-form statistics for the sum of squared Nakagami-m variates and its applications

    G.K. Karagiannidis;N.C. Sagias;T.A. Tsiftsis

  • Energy Detection Based Spectrum Sensing Over $\kappa{-}\mu$ and $\kappa{-}\mu$ Extreme Fading Channels

    P. C. Sofotasios;E. Rebeiz;Li Zhang;T. A. Tsiftsis

  • Nonregenerative dual-hop cooperative links with selection diversity

    Theodoros A. Tsiftsis;George K. Karagiannidis;P. Takis Mathiopoulos;Stavros A. Kotsopoulos

  • Cellular-Base-Station-Assisted Device-to-Device Communications in TV White Space

    Guoru Ding;Jinlong Wang;Qihui Wu;Yu-Dong Yao

  • Multihop Free-Space Optical Communications Over Strong Turbulence Channels

    Theodoros A. Tsiftsis;Harilaos G. Sandalidis;George K. Karagiannidis;Nikos C. Sagias

  • Resource Allocation for Energy Harvesting-Powered D2D Communication Underlaying UAV-Assisted Networks

    Haichao Wang;Jinlong Wang;Guoru Ding;Le Wang

  • Wireless Information and Power Transfer in Relay Systems With Multiple Antennas and Interference

    Guangxu Zhu;Caijun Zhong;Himal A. Suraweera;George K. Karagiannidis

  • Physical-Layer Authentication for Ambient Backscatter-Aided NOMA Symbiotic Systems

    Unknown

  • Performance of heterodyne wireless optical communication systems over gamma-gamma atmospheric turbulence channels

    T.A. Tsiftsis

  • Outage Performance of Cooperative Underlay CR-NOMA With Imperfect CSI

    Sultangali Arzykulov;Theodoros A. Tsiftsis;Galymzhan Nauryzbayev;Mohamed Abdallah

  • Multiuser and Multirelay Cognitive Radio Networks Under Spectrum-Sharing Constraints

    F. Rafael V. Guimaraes;Daniel B. da Costa;Theodoros A. Tsiftsis;Charles C. Cavalcante

Frequent Co-Authors

George K. Karagiannidis
George K. Karagiannidis Aristotle University of Thessaloniki
Paschalis C. Sofotasios
Paschalis C. Sofotasios Khalifa University
Trung Q. Duong
Trung Q. Duong Memorial University of Newfoundland
Mikko Valkama
Mikko Valkama Tampere University
George C. Alexandropoulos
George C. Alexandropoulos National and Kapodistrian University of Athens
Guoru Ding
Guoru Ding Southeast University
Ming Xiao
Ming Xiao Royal Institute of Technology
Hui-Ming Wang
Hui-Ming Wang Xi'an Jiaotong University
Mohamed Abdallah
Mohamed Abdallah Hamad bin Khalifa University
Murat Uysal
Murat Uysal New York University Abu Dhabi

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