World's Best Scientists 2026 revealed!
Mamoru Sawahashi

Mamoru Sawahashi

D-Index & Metrics

Electronics and Electrical Engineering

D-Index
60
Citations
12834
World Ranking
1648
National Ranking
57

Mamoru Sawahashi 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 Mamoru Sawahashi sits on this spectrum.

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 publications 1,065+

This scientist: 518 publications — 85th percentile

85% of scientists in this discipline score the same or lower.

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

Mamoru Sawahashi 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 Mamoru Sawahashi sits on this spectrum.

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: 60 D-Index — 77th percentile

77% of scientists in this discipline score the same or lower.

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

Overview

Mamoru Sawahashi is affiliated with Tokyo City University in Japan. Their research focuses primarily on the field of engineering, with particular emphasis on electrical and electronic engineering. They have contributed extensively to topics related to millimeter-wave propagation and modeling, advanced MIMO systems optimization, and advanced wireless communication techniques.

Their work spans several specialized domains within engineering, including:

  • Electrical and Electronic Engineering
  • Computer Networks and Communications
  • Aerospace Engineering
  • Biomedical Engineering
  • Molecular Biology

The main research topics covered by Sawahashi include:

  • Millimeter-Wave Propagation and Modeling
  • Advanced MIMO Systems Optimization
  • Advanced Wireless Communication Techniques
  • Cooperative Communication and Network Coding
  • Antenna Design and Analysis
  • Power Line Communications and Noise
  • PAPR reduction in OFDM

Sawahashi has published numerous papers with a consistent presence in the following venues:

  • IEICE Transactions on Communications
  • 2022 IEEE 96th Vehicular Technology Conference (VTC2022-Fall)
  • 2021 IEEE 94th Vehicular Technology Conference (VTC2021-Fall)

Some of their recent published works are:

  • Detection Performance of NR Downlink Initial Access Using Synchronization Signal Block in Millimeter-Wave Bands (2024), published in IEICE Transactions on Communications
  • Comparisons of Physical Cell ID Detection Methods with Carrier Frequency Offset Compensation for Millimeter-Wave Bands (2022), published in 2022 IEEE 96th Vehicular Technology Conference (VTC2022-Fall)
  • Physical Cell ID Detection Using Joint Estimation of Frequency Offset and SSS Sequence for NR Initial Access (2021), published in IEICE Transactions on Communications
  • Synchronization Signal Design Using Single-Carrier Waveform for Physical-Layer Cell ID Detection (2021), published in 2021 IEEE 94th Vehicular Technology Conference (VTC2021-Fall)
  • Performance of Circular 32QAM/64QAM Schemes Using Frequency Domain Equalizer for DFT-Precoded OFDM (2021), published in IEICE Transactions on Communications

Mamoru Sawahashi has collaborated frequently with several coauthors throughout their career:

  • Satoshi Nagata
  • Satoshi Suyama
  • Shun Yoneda
  • Takashi Ohiwa
  • Kyogo Ota

Best Publications

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

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

  • Coordinated multipoint transmission/reception techniques for LTE-advanced [Coordinated and Distributed MIMO]

    Mamoru Sawahashi;Yoshihisa Kishiyama;Akihito Morimoto;Daisuke Nishikawa

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

    F. Adachi;M. Sawahashi;K. Okawa

  • Likelihood Function for QRM-MLD Suitable for Soft-Decision Turbo Decoding and Its Performance for OFCDM MIMO Multiplexing in Multipath Fading Channel

    Hiroyuki Kawai;Kenichi Higuchi;Noriyuki Maeda;Mamoru Sawahashi

  • Base station, communication terminal, transmission method, and reception method

    Nobuhiko Miki;Kenichi Higuchi;Mamoru Sawahashi

  • Base station device, user device and method used in mobile communication system

    Yoshihisa Kishiyama;Kenichi Higuchi;Mamoru Sawahashi

  • Variable Spreading Factor-Orthogonal Frequency and Code Division Multiplexing (VSF-OFCDM) for Broadband Packet Wireless Access

    Hiroyuki Atarashi;Sadayuki Abeta;Mamoru Sawahashi

  • Downlink transmission of broadband OFCDM Systems-part I: hybrid detection

    Yiqing Zhou;Jiangzhou Wang;M. Sawahashi

  • Variable Spreading Factor-OFCDM with Two Dimensional Spreading that Prioritizes Time Domain Spreading for Forward Link Broadband Wireless Access

    Noriyuki Maeda;Yoshihisa Kishiyama;Hiroyuki Atarashi;Mamoru Sawahashi

  • Broadband packet wireless access appropriate for high-speed and high-capacity throughput

    H. Atarashi;S. Abeta;M. Sawahashi

  • Adaptive control of surviving symbol replica candidates in QRM-MLD for OFDM MIMO multiplexing

    H. Kawai;K. Higuchi;N. Maeda;M. Sawahashi

  • Receiver, transmitter, communication system, and method of communication

    Noriyuki Maeda;Hiroyuki Atarashi;Sadayuki Abeta;Mamoru Sawahashi

  • Adaptive selection of surviving symbol replica candidates based on maximum reliability in QRM-MLD for OFCDM MIMO multiplexing

    K. Higuchi;H. Kawai;N. Maeda;M. Sawahashi

  • Broadband packet wireless access based on VSF-OFCDM and MC/DS-CDMA

    H. Atarashi;N. Maeda;S. Abeta;M. Sawahashi

  • OFCDM: a promising broadband wireless access technique

    Yiqing Zhou;Tung-Sang Ng;Jiangzhou Wang;K. Higuchi

  • Fast cell search algorithm in DS-CDMA mobile radio using long spreading codes

    K. Higuchi;M. Sawahashi;F. Adachi

  • Cdma demodulating apparatus

    Mamoru Sawahashi;Hidehiro Andou;Yoshinori Miki;Kenichi Higuchi

  • Correlation detector and communication apparatus

    Tomohiro Tomioka-Daiichi-Dokushinryo A Dohi;Mamoru Uraga-Cho Sawahashi;Fumiyuki Takafunedai Kanazawa-Ku Adachi

  • MCI cancellation for multicode wideband CDMA systems

    Jun Chen;Jiangzhou Wang;M. Sawahashi

  • Transmitting apparatus, receiving apparatus, mobile communication system, and transmission control method

    Yoshiaki Ofuji;Hiroyuki Atarashi;Kenichi Higuchi;Mamoru Sawahashi

Frequent Co-Authors

Kenichi Higuchi
Kenichi Higuchi Tokyo University of Science
Fumiyuki Adachi
Fumiyuki Adachi Tohoku University
Jiangzhou Wang
Jiangzhou Wang University of Kent
Xiang-Gen Xia
Xiang-Gen Xia University of Delaware
Ken-ichi Kitayama
Ken-ichi Kitayama Osaka University
Hsiao-Hwa Chen
Hsiao-Hwa Chen National Cheng Kung University
Mohsen Guizani
Mohsen Guizani Mohamed bin Zayed University of Artificial Intelligence
Shinya Tanaka
Shinya Tanaka Hokkaido University

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