Rchr
J-GLOBAL ID：201001018836399493   Update date: Apr. 21, 2024

Sawahashi Mamoru

サワハシ マモル | Sawahashi Mamoru
Affiliation and department：
Tokyo City University Faculty of Engineering, Department of Electrical, Electronics and Communication Engineering

About Tokyo City University Faculty of Engineering, Department of Electrical, Electronics and Communication Engineering


Other affiliations (1)：
  • Tokyo City University  Graduate School Research Division in Engineering, Information Engineering, Tokyo City University, Graduate School of Engineering, Information Engineering   Professor
Research field  (1)： Communication and network engineering
Research keywords  (8)： MIMO ,  無線リソース制御 ,  無線通信 ,  移動通信 ,  MIMO ,  Radio resource control ,  Wireless communications ,  Mobile communications
Research theme for competitive and other funds  (9)：
  • 2016 - 2019 Study on enhanced techniques of efficient radio access and microwave wireless backhaul for 5G mobile communications
  • 2015 - 2018 Study on Adaptive Duplex Techniques for 5G Mobile Communication Systems
  • 2013 - 2016 Study on High-Efficiency Packet Radio Access Techniques in Heterogeneous Networks for Future Mobile Communications
  • 2011 - 2013 Study on High Efficiency Radio Packet Multi-access Schemes Using Partial Response
  • 2010 - 2012 Study on Broadband Radio Packet Access Techniques with Peak Data Rate of Greater than 1Gbps
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Papers (52)：
  • Takamichi Chiba, Mamoru Sawahashi, Yoshihisa Kishiyama. Detection Probability of PRACH with Short Sequence Considering Carrier Frequency Offset for NR Radio Interface. APWCS. 2022. 61-65
  • Tsubasa Shobudani, Mamoru Sawahashi, Yoshihisa Kishiyama. TDM Based Reference Signal Multiplexing for OFDM Using Faster-than-Nyquist Signaling. IEICE TRANSACTIONS ON COMMUNICATIONS. 2021. E104B. 9. 1079-1088
  • SHOBUDANI Tsubasa, SAWAHASHI Mamoru, KISHIYAMA Yoshihisa. TDM Based Reference Signal Multiplexing for OFDM Using Faster-than-Nyquist Signaling. IEICE Transactions on Communications. 2021. E104.B. 9. 1079-1088
  • Chihiro MORI, Miyu NAKABAYASHI, Mamoru SAWAHASHI, Teruo KAWAMURA, Nobuhiko MIKI. Performance of Circular 32QAM/64QAM Schemes Using Frequency Domain Equalizer for DFT-Precoded OFDM. IEICE Transactions on Communications. 2021. E104.B. 9. 1054-1066
  • Kosuke Kamata, Mamoru Sawahashi, Yoshihisa Kishiyama. Detection Probability of PRACH Preamble for NR in 3GPP TDL Channel Models. PROCEEDINGS OF IEEE VTS APWCS 2021: 2021 17TH IEEE VTS ASIA PACIFIC WIRELESS COMMUNICATIONS SYMPOSIUM (APWCS). 2021
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MISC (1,389)：
  • Mitamura Daiki, Sawahashi Mamoru, Kishiyama Yoshihisa. Bit Error Rate Performance of OFDM Using Hierarchical Modulation in 3GPP TDL Channel Model. IEEE Conference Proceedings. 2022. 2022. APWCS
  • 菖蒲谷 翼, 佐和橋 衛, 樋口 健一, 岸山 祥久. 低符号化率のターボ符号を適用したFaster-than-Nyquistを適用したOFDMのブロック誤り率特性-BLER Performance of Faster-than-Nyquist Signaling for OFDM Combined with Turbo Code Using Low Coding Rate-信号処理. 電子情報通信学会技術研究報告 = IEICE technical report : 信学技報. 2020. 119. 377. 149-154
  • 志村 彩, 佐和橋 衛, 永田 聡, 岸山 祥久. NB-IoTにおける同期信号に周波数ホッピング受信を用いたときのセルID検出確率特性-Physical Cell ID Detection Performance Applying Frequency Hopping Reception to NPSS and NSSS for NB-IoT-情報理論. 電子情報通信学会技術研究報告 = IEICE technical report : 信学技報. 2018. 117. 394. 49-54
  • 志村 彩, 佐和橋 衛, 永田 聡, 岸山 祥久. NB-IoTにおける同期信号を用いるセルID検出時間特性-Physical Cell ID Detection Time Performance Using NPSS and NSSS for NB-IoT-無線通信システム ; 移動通信ワークショップ. 電子情報通信学会技術研究報告 = IEICE technical report : 信学技報. 2018. 117. 456. 429-434
  • Effects of Time and Space Diversity on Physical Cell ID Detection for NB-IoT. 2017. 117. 175. 111-116
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Books (9)：
  • Enhaanced Radio Access Technologies for Next Generation Mobile Communications
    Springer 2007
  • 移動体通信
    丸善株式会社 2006
  • URSI Review of Radio Science 1999-2002
    Wiley Inter-Science 2002
  • Advances in 3G Enhanced Technologies for Wireless Communications
    Artech House Publishers 2002
  • 次世代ネットワークアクセスと標準化動向
    トリケップス 2001
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Lectures and oral presentations  (169)：
  • 8送受信アンテナのMIMO多重を用いたときのOFDMAとシングルキャリアFDMAの特性比較
    (電子情報通信学会 無線通信システム(RCS)研究会 2014)
  • OFDM/OQAMを用いるFaster-than-Nyquistのマルチパスフェージングチャネルにおけるブロック誤り率の基本検討
    (電子情報通信学会 無線通信システム(RCS)研究会 2014)
  • ヘテロジーニアスセル構成における同期信号を用いるセルサーチ時間特性
    (電子情報通信学会 2014年総合大会 2014)
  • OFDMAの周波数選択性フェージングチャネルにおける受信ダイバーシチを用いたときの周波数ダイバーシチ効果のブロック誤り率への影響
    (電子情報通信学会 2014年総合大会 2014)
  • FDD高次MIMO多重におけるキャリア周波数スワップを用いるCSI測定法
    (電子情報通信学会 2014年総合大会 2014)
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Education (6)：
  • - 1998 Nara Institute of Science and Technology Graduate School of Information Science
  • - 1998 Nara Institute of Science and Technology Graduate School, Division of Information Science Information Communication
  • - 1985 The University of Tokyo
  • - 1985 The University of Tokyo Graduate School, Division of Engineering Analytical chemistry
  • - 1983 The University of Tokyo The Faculty of Engineering
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Professional career (1)：
  • Research on Wideband High-efficient Signal Transmission for Digital Mobile Communications (Nara Institute of Science and Technology)
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