World's Best Scientists 2026 revealed!
Fumiyuki Adachi

Fumiyuki Adachi

Award Badge
Computer Science
Japan
2025

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Electronics and Electrical Engineering 71 850 810 19 19 1067 21666
Computer Science 71 1768 1713 11 11 1065 21555

Fumiyuki Adachi publications per year

The chart shows the history of publications by Fumiyuki Adachi between 1975 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Fumiyuki Adachi published across 51 years, from 1975 to 2025, averaging 22.7 papers a year. Output peaked at 73 publications in 2014. 41 of the 1,156 publications appeared in the last two years.

No. of publications
20 40 60
Bar chart. Horizontal axis: year, 1975 to 2025. Vertical axis: number of publications, 0 to 73. Peak 73 publications in 2014. 1975: 2 publications 1976: 2 publications 1977: 0 publications 1978: 3 publications 1979: 4 publications 1980: 2 publications 1981: 0 publications 1982: 3 publications 1983: 3 publications 1984: 0 publications 1985: 0 publications 1986: 3 publications 1987: 4 publications 1988: 15 publications 1989: 6 publications 1990: 8 publications 1991: 13 publications 1992: 13 publications 1993: 9 publications 1994: 15 publications 1995: 13 publications 1996: 18 publications 1997: 22 publications 1998: 31 publications 1999: 18 publications 2000: 24 publications 2001: 16 publications 2002: 29 publications 2003: 32 publications 2004: 42 publications 2005: 51 publications 2006: 41 publications 2007: 44 publications 2008: 39 publications 2009: 47 publications 2010: 49 publications 2011: 50 publications 2012: 52 publications 2013: 63 publications 2014: 73 publications 2015: 47 publications 2016: 22 publications 2017: 25 publications 2018: 20 publications 2019: 15 publications 2020: 28 publications 2021: 38 publications 2022: 33 publications 2023: 28 publications 2024: 22 publications 2025: 19 publications
1975 2025

1,156 publications in total across all disciplines

View publications per year as a table
Fumiyuki Adachi: publications per year, 1975 to 2025
Year Publications
1975 2
1976 2
1977 0
1978 3
1979 4
1980 2
1981 0
1982 3
1983 3
1984 0
1985 0
1986 3
1987 4
1988 15
1989 6
1990 8
1991 13
1992 13
1993 9
1994 15
1995 13
1996 18
1997 22
1998 31
1999 18
2000 24
2001 16
2002 29
2003 32
2004 42
2005 51
2006 41
2007 44
2008 39
2009 47
2010 49
2011 50
2012 52
2013 63
2014 73
2015 47
2016 22
2017 25
2018 20
2019 15
2020 28
2021 38
2022 33
2023 28
2024 22
2025 19
Total 1,156
Download as CSV

Fumiyuki Adachi 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 Fumiyuki Adachi 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, 1,065+ 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: 1,067 publications — 99th percentile

99% 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
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 1,067
Download as CSV

Fumiyuki Adachi 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 Fumiyuki Adachi 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, 71 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: 71 D-Index — 88th percentile

88% 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
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 71
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

Research.com Recognitions

  • 2025 - Research.com Computer Science in Japan Leader Award
  • 2022 - Research.com Computer Science in Japan Leader Award
  • 2002 - IEEE Fellow For contributions and leadership in digital cellular communication technologies.

Overview

Fumiyuki Adachi is affiliated with Tohoku University in Japan, contributing extensively to the fields of engineering and computer science with a primary focus on electrical and electronic engineering. Their research spans 183 publications in engineering and 97 in computer science, highlighting significant interdisciplinary expertise. Within these fields, subfields such as aerospace engineering, computer networks and communications, artificial intelligence, and signal processing feature prominently.

Their research topics emphasize advanced wireless communication technologies, including the optimization of advanced MIMO systems, cooperative communication and network coding, and wireless signal modulation classification. Other focal areas include UAV applications and optimization, radar systems and signal processing, and millimeter-wave propagation and modeling.

Fumiyuki Adachi has published frequently in several venues, notably with 23 papers in IEEE Transactions on Vehicular Technology, 14 on arXiv (Cornell University), 13 in IEEE Internet of Things Journal, 12 in Journal of Communications and Networks, and 6 in IEEE Transactions on Wireless Communications.

They have collaborated with multiple co-authors regularly, including Guan Gui, Haris Gacanin, Hikmet Sari, Chau Yuen, and Yu Wang, reflecting collaborative engagement in the wireless communication research community.

Recent notable papers include:

  • "6G: Opening New Horizons for Integration of Comfort, Security, and Intelligence," 2020, IEEE Wireless Communications
  • "A Survey on Resource Allocation for 5G Heterogeneous Networks: Current Research, Future Trends, and Challenges," 2021, IEEE Communications Surveys & Tutorials
  • "Deep Learning for Wireless Communications: An Emerging Interdisciplinary Paradigm," 2020, IEEE Wireless Communications
  • "Few-Shot Specific Emitter Identification via Deep Metric Ensemble Learning," 2022, IEEE Internet of Things Journal
  • "Multi-Task Learning for Generalized Automatic Modulation Classification Under Non-Gaussian Noise With Varying SNR Conditions," 2021, IEEE Transactions on Wireless Communications

Fumiyuki Adachi was recognized as an IEEE Fellow in 2002 for contributions and leadership in digital cellular communication technologies.

Best Publications

  • Wideband DS-CDMA for next-generation mobile communications systems

    F. Adachi;M. Sawahashi;H. Suda;H. Suda

  • The Application of MIMO to Non-Orthogonal Multiple Access

    Zhiguo Ding;Fumiyuki Adachi;H. Vincent Poor

  • A Survey on Resource Allocation for 5G Heterogeneous Networks: Current Research, Future Trends, and Challenges

    Yongjun Xu;Guan Gui;Haris Gacanin;Fumiyuki Adachi

  • Tree-structured generation of orthogonal spreading codes with different lengths for forward link of DS-CDMA mobile radio

    F. Adachi;M. Sawahashi;K. Okawa

  • Deep-Learning-Based Millimeter-Wave Massive MIMO for Hybrid Precoding

    Hongji Huang;Yiwei Song;Jie Yang;Guan Gui

  • Broadband CDMA techniques

    F. Adachi;D. Garg;S. Takaoka;K. Takeda

  • Deep Learning for Physical-Layer 5G Wireless Techniques: Opportunities, Challenges and Solutions

    Hongji Huang;Song Guo;Guan Gui;Zhen Yang

  • Transmission power control method and apparatus

    Sawahashi Mamoru;Adachi Fumiyuki;Dohi Tomohiro

  • Crosscorrelation between the envelopes of 900 MHz signals received at a mobile radio base station site

    F. Adachi;M.T. Feeney;J.D. Parsons;A.G. Williamson

  • Time division multiple access methods for wireless personal communications

    D.D. Falconer;F. Adachi;B. Gudmundson

  • A Dynamic Channel Assignment Scheme for Distributed Antenna Networks

    Ryusuke Matsukawa;Tatsunori Obara;Fumiyuki Adachi

  • Modeling and Analysis for Reactive-Decision Spectrum Handoff in Cognitive Radio Networks

    Chung-Wei Wang;Li-Chun Wang;Fumiyuki Adachi

  • Wireless Past and Future--Evolving Mobile Communications Systems--

    Fumiyuki Adachi

  • Combined effects of phase sweeping transmitter diversity and channel coding

    A. Hiroike;F. Adachi;N. Nakajima

  • COHERENT MULTICODE DS-CDMA MOBILE RADIO ACCESS

    Fumiyuki Adachi;Koji Ohno;Akihiro Higashi;Tomohiro Dohi

  • BER performance of QDPSK with postdetection diversity reception in mobile radio channels

    F. Adachi;K. Ohno

  • Channel Estimation Filter Using Time-Multiplexed Pilot Channel for Coherent RAKE Combining in DS-CDMA Mobile Radio

    Hidehiro Andoh;Mamoru Sawahashi;Fumiyuki Adachi

  • Transceiver Design and Multihop D2D for UAV IoT Coverage in Disasters

    Xiaonan Liu;Zan Li;Nan Zhao;Weixiao Meng

  • Performance of multicode DS-CDMA using frequency domain equalisation in frequency selective fading channel

    F. Adachi;T. Sao;T. Itagaki

  • Bit error rate analysis of DS-CDMA with joint frequency-domain equalization and antenna diversity combining

    Fumiyuki Adachi;Kazuaki Takeda

Frequent Co-Authors

Guan Gui
Guan Gui Nanjing University of Posts and Telecommunications
Haris Gacanin
Haris Gacanin RWTH Aachen University
Mamoru Sawahashi
Mamoru Sawahashi Tokyo City University
Walid Saad
Walid Saad Virginia Tech
Kenichi Higuchi
Kenichi Higuchi Tokyo University of Science
Weixiao Meng
Weixiao Meng Harbin Institute of Technology
Jiangzhou Wang
Jiangzhou Wang University of Kent
Linglong Dai
Linglong Dai Tsinghua University
Hikmet Sari
Hikmet Sari Nanjing University of Posts and Telecommunications
Ismail Guvenc
Ismail Guvenc North Carolina State University

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

For those interested in Electronics and Electrical Engineering, exploring related online degrees can broaden career opportunities. Many students leverage project management degree online fast programs to gain leadership skills and apply them in engineering projects, boosting their employability.

Furthermore, pursuing a bachelor project management degree online offers a strategic edge, especially for those aiming to manage complex engineering teams or large-scale technical operations.

Working professionals often benefit from accelerated bachelors degree programs for adults, which offer flexible schedules and fast-track options, making it easier to balance career growth with further education.

In addition, an instructional design degree online can complement technical expertise by enabling engineers to develop effective training materials or lead educational initiatives within technology companies.

Best Scientists Citing Fumiyuki Adachi

Trending Scientists

Recently Published Articles