Research field (1)：
Communication and network engineering
Research keywords (4)：
コグニティブ無線
, 無線通信方式
, Cognitive Radio
, Wireless Communication Scheme
Research theme for competitive and other funds (10)：
2021 - 2024 Sensor Networks with High Speed Environmental Adaptation by Recognition of Synthesizing Wave
2017 - 2020 Advanced wireless/wired harmonized SDN
2017 - 2020 Mutual Information Passing between Sensor Information Environment and Physical Wireless Environment for High Density Wireless Sensor Networks
2016 - 2019 Massive Array-Structure Radio Sensors for Countermeasure to Radio Signal Leak
2012 - 2015 Optimization of Channel Occupancy Ratio Measurement with Learning Assist for Cognitive Radio
2012 - 2015 Secure Cognitive Radio using Physical Layer Security with Learning
2010 - 2012 Study on All-Digital Transmitter with Vector Synthesis of Different-Phase Carriers
2007 - 2012 Research for Wireless Communication Scheme to Enhanced Wireless Communication and Spectrum Sensing in Cognitive Radio
2008 - 2011 Experimental Study of Specifying the Number of Parallel Transmitted Signals in MIMO and Cognitive Wireless Communication。
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Papers (89)：
Osamu Takyu, Keita Takeda, Ryuji Miyamoto, Koichi Adachi, Mai Ohta, Takeo Fujii. An Environment-Aware Adaptive Data-Gathering Method for Packet-Level Index Modulation in LPWA. Sensors. 2024. 24. 8. 2514-2514
Toshi Ito, Masafumi Oda, Osamu Takyu, Mai Ohta, Takeo Fujii, Koichi Adachi. Three Level Recognition Based on the Average of the Phase Differences in Physical Wireless Parameter Conversion Sensor Networks and Its Effect to Localization with RSSI. Sensors. 2023. 23. 6. 3308-3308
Masafumi Oda, Osamu Takyu, Mai Ohta, Takeo Fujii, Koichi Adachi. Position Estimation of Radio Source Based on Fingerprinting With Physical Wireless Parameter Conversion Sensor Networks. IEEE Access. 2023. 11. 12843-12857
Aoto Kaburaki, Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii. Adaptive Resource Allocation Utilizing Periodic Traffic and Clock Drift in LPWAN. IEEE Transactions on Wireless Communications. 2023. 1-1
Kosuke Suzuki, Koichi Adachi, Mai Ohta, Osamu Takyu, Takeo Fujii. Packet-Level Index Modulation Based on Channel Activity Detection. IEEE Transactions on Wireless Communications. 2023. 1-1
Suzuki Mayumi, Takyu Osamu, Umeda Yohtaro. B-5-123 Effect of Applying Transmit Diversity of Source Station under Relay Abortion Penalty in Cooperative Communication. Proceedings of the Society Conference of IEICE. 2009. 2009. 1. 473
- 2006 Keio University Graduate School of Science and Technology School of Science for Open and Environmental Systems
- 2006 Keio University Graduate School, Division of Science and Engineering School of Science for Open and Environmental Systems
- 2002 Tokyo University of Science Faculty of Science and Technology
- 2002 Tokyo University of Science Faculty of Science and Engineering Electrical Engineering
Professional career (1)：
Philosopy of Doctor (Engineering) (Keio University)
Work history (7)：
2023/04 - Shinshu University Faculty of Engineering Professor
2007/04 - 2011/03 Tokyo University of Science Faculty of Science and Technology, Electrical Engineering, Tokyo University of Science Faculty of Science and Technology Electrical Engineering Assistant Professor
2006/10 - 2007/03 Keio University
2007 - April 2007 AssistantProfessor, Faculty of Science and Technology, Tokyo University of Science
2006 - Oct. 2006 - March 2007 Research Associate Keio University
2004 - 2005 オーストラリア シドニー大学 Visiting Scholar
2004 - 2005 Visiting Scholar, The University of Sydney, Australia
2009 - 2011 Technical Committee on Software Radio (SR), The Institute of Electronics, Information and Communication Engineers (IEICE) Member
2009 - 2010 電子情報通信学会 査読委員
Awards (3)：
2010 - 学術奨励賞
2010 - Young Researcher's award
2009 - 活動功労賞
Association Membership(s) (7)：
電子情報通信学会 ソフトウェア無線研究会
, 電子情報通信学会
, IEICE
, Technical committee on software radio
, Technical Committee on Software Radio (SR)
, Information and Communication Engineers (IEICE)
, The Institute of Electronics
