Osamu Takyu

ORCID

Publication Activity (10 Years)

Years Active: 2003-2024
Publications (10 Years): 92

Top Venues

Publications

Aoto Kaburaki, Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii
Adaptive Resource Allocation Utilizing Periodic Traffic and Clock Drift in LPWAN. IEEE Trans. Wirel. Commun. 23 (4) (2024)
Aoto Kaburaki, Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii
LBT-Based Resource Allocation Methods Utilizing Periodicity of Traffic in LPWAN. ICNC (2024)
Taiga Kawaguchi, Osamu Takyu, Takeo Fujii
A Study on Estimation Method of Interference State during Frequency Sharing in 5G Cellular Systems. ICAIIC (2024)
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 24 (8) (2024)
Toshi Ito, Osamu Takyu, Mai Ohta, Takeo Fujii, Koichi Adachi
Characterization of Discrimination of Number of Signal Collision Sensors Using Spectral Fluctuation Caused by Frequency Offset in Physical Wireless Parameter Conversion Sensor Networks. ICAIIC (2024)
Kosuke Suzuki, Koichi Adachi, Mai Ohta, Osamu Takyu, Takeo Fujii
Packet-Level Index Modulation Based on Channel Activity Detection. IEEE Trans. Wirel. Commun. 23 (4) (2024)
Masahiro Mizuno, Osamu Takyu
A Study on Non-Orthogonal Multiple Access with Stored Device-to-Device Communication in Cellular Systems. ICOIN (2024)
Taiga Kawaguchi, Osamu Takyu
Shared Decision Making Using Distribution Estimation of Same Frequency Interference in 5G. ICAIIC (2024)
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 23 (6) (2023)
Keita Takeda, Ryuji Miyamoto, Osamu Takyu
Implementation of PLIM on 429MHz LoRa/FSK with improved conversion table. APSIPA ASC (2023)
Ryogo Oya, Shinichiro Kakuda, Takeo Fujii, Osamu Takyu, Mai Ohta, Koichi Adachi
Packet-Level Index Modulation Under Duty Cycle Constraints. WPMC (2023)
Taiki Suehiro, Tsuyoshi Kobayashi, Osamu Takyu, Yasushi Fuwa
Data Gathering Scheme for Event Detection and Recognition in Low Power Wide Area Networks. IEICE Trans. Commun. 106 (8) (2023)
Ryuji Miyamoto, Osamu Takyu, Hiroshi Fujiwara, Koichi Adachi, Mai Ohta, Takeo Fujii
Data Gathering Method with High Accuracy of Environment Recognition Using Mathematical Optimization in Packet-Level Index Modulation. IEICE Trans. Commun. 106 (12) (2023)
Aoto Kaburaki, Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii
Resource Allocation for Periodic Traffic in Wireless Sensor Network. WCNC (2023)
Yudai Koike, Osamu Takyu
Water Level Monitoring System based on 429MHz LoRa with Packet Level Index Modulation. ICUFN (2023)
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 11 (2023)
Takatoshi Obata, Osamu Takyu
Radio Sensor Detection of Interference to Satellite Earth Station in Frequency Spectrum Sharing. ICUFN (2023)
Osamu Takyu, Gaku Kobayashi, Koichi Adachi, Mai Ohta, Takeo Fujii
Estimation Based on Chirp Modulation for Desired and Interference Power and Channel Occupancy Ratio in LoRa. Sensors 22 (11) (2022)
Toshi Ito, Osamu Takyu, Mai Ohta, Takeo Fujii, Koichi Adachi
High-Sensitivity Detection Method for Signals in PhyC-SN. ICUFN (2022)
Kohei Tsurumi, Aoto Kaburaki, Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii
Simple Clock Drift Estimation and Compensation for Packet-Level Index Modulation and Its Implementation in LoRaWAN. IEEE Internet Things J. 9 (16) (2022)
Ryuji Miyamoto, Osamu Takyu, Hiroshi Fujiwara, Koichi Adachi, Mai Ohta, Takeo Fujii
Performance Evaluation of Highly Efficient Information Collection Methods by Trend Analysis of Sensor Information Using Pre-learning. ICUFN (2022)
Kosuke Suzuki, Koichi Adachi, Mai Ohta, Osamu Takyu, Takeo Fujii
Flexible Index Mapping Scheme for Packet-Level Index Modulation. IEEE Wirel. Commun. Lett. 11 (4) (2022)
Riku Yamabe, Mikihiko Nishiara, Osamu Takyu
Channel Capacity for a Model of Packet Level Index Modulation in LPWA Networks. ICUFN (2021)
Muying Chen, Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii
Transmission Timing Control Using ACK Signal in LoRaWAN. WCNC (2021)
Yuki Nishio, Osamu Takyu, Hayato Soya, Keiichiro Shirai, Mai Ohta, Takeo Fujii
Optimal Construction of Access Rate to Superior Channel in Rendezvous Channel Based on Channel-Occupancy Ratio. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (1) (2021)
Koichi Adachi, Kohei Tsurumi, Aoto Kaburaki, Osamu Takyu, Mai Ohta, Takeo Fujii
Packet-Level Index Modulation for LoRaWAN. IEEE Access 9 (2021)
Shinichiro Kakuda, Yudai Yamazaki, Keita Katagiri, Takeo Fujii, Osamu Takyu, Mai Ohta, Koichi Adachi
Channel Allocation for LoRaWanConsidering Intra-System and Inter-System Interferences. VTC Fall (2021)
Osamu Takyu, Ryota Sugimoto
Highly Efficient Data Gathering with Tendency Prediction based on Position Information of Event in Wireless Sensor Networks. APSIPA ASC (2021)
Taiki Suehiro, Tsuyoshi Kobayashi, Osamu Takyu, Yasushi Fuwa
Actual Machine Experiment of Efficient Collection Method of Sensor Information in Wireless Sensors Network for Event Detection. ICTC (2021)
Aoto Kaburaki, Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii
Autonomous Decentralized Traffic Control Using Q-Learning in LPWAN. IEEE Access 9 (2021)
Arata Takahashi, Osamu Takyu, Hiroshi Fujiwara, Takeo Fujii, Tomoaki Ohtsuki
Overloaded Wireless MIMO Switching for Information Exchanging through Untrusted Relay in Secure Wireless Communication. IEICE Trans. Commun. (10) (2021)
Tsuyoshi Kobayashi, Taiki Suehiro, Osamu Takyu, Yasushi Fuwa
Examination of efficient aggregation method of sensor information by wireless sensor network for event detection in frequency sharing. ICUFN (2021)
Gaku Kobayashi, Osamu Takyu, Koichi Adachi, Mai Ohta, Takeo Fujii
Proposal of interference power occupancy estimation method using chirp demodulation. ICUFN (2021)
Kohei Natsume, Mai Ohta, Koichi Adachi, Osamu Takyu, Takeo Fujii
DCT Compression Scheme for Wireless Sensor Information considering Spatial Correlation. ICOIN (2021)
Kenichiro Yamamoto, Osamu Takyu, Keiichiro Shirai, Yasushi Fuwa
Spatial Compression of Sensing Information for Exploiting the Vacant Frequency Resource Using Radio Sensors. IEICE Trans. Commun. (10) (2021)
Riku Yamabe, Mikihiko Nishiara, Osamu Takyu, Koichi Adachi
Achievable Rate Enhancement Based on Multi-Packet Indexing in Packet-Level Index Modulation. IEEE Access 9 (2021)
Taiki Suehiro, Tsuyoshi Kobayashi, Osamu Takyu, Yasushi Fuwa
Performance Evaluation of Efficient Collection Method of Sensor Information in Wireless Sensor Networks for Event Detection. ICTC (2021)
Tsuyoshi Kobayashi, Kenichiro Yamamoto, Osamu Takyu, Yasushi Fuwa
Verification of Interference Estimation by a Radio Sensor Considering Detection Sensitivity for Dynamic Spectrum Access in Spatial White Space. ICTC (2020)
Toshiki Nonaka, Takeo Fujii, Osamu Takyu, Mai Ohta
Adapting the number of replicas in the E-IRSA system using the power control. ICOIN (2020)
Gaku Kobayashi, Osamu Takyu, Koichi Adachi, Mai Ohta, Takeo Fujii
Estimation of Desired power and Undesired power Using Chirp Demodulation and Evaluation of Accuracy. APSIPA (2020)
Arata Takahashi, Osamu Takyu, Hiroshi Fujiwara
Construction of Selection-Scheduling of Accessing Node for High Efficiency Information Exchanging in Overloaded Wireless MIMO Switching. ICTC (2020)
Aoto Kaburaki, Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii
Autonomous Decentralized Transmission Timing Control in Wireless Sensor Network. APSIPA (2020)
Hirotaka Senda, Osamu Takyu, Akinori Kamio, Mai Ohta, Takeo Fujii
Specification of Link Quality Degradation in WLAN based on MCS and Retransmission Flag. APSIPA (2020)
Kohei Natsume, Mai Ohta, Osamu Takyu, Takeo Fujii
Data Fusion Method Exploiting Data Correlation for Physical Wireless Parameter Conversion Sensor Networks. ICOIN (2020)
Kenichiro Yamamoto, Osamu Takyu, Keiichiro Shirai, Yasushi Fuwa
Spatial Compression of Sensing Information for Exploiting the Vacant Frequency Resource using Radio Sensors. ICTC (2020)
Kyosuke Fukuda, Osamu Takyu, Keiichiro Shirai, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Sliiro Handa
Adaptive Transmission Control with Prediction of Sensing Results for PhyC-SN. RWS (2019)
Osamu Takyu, Keiichiro Shirai, Mai Ohta, Takeo Fujii
ID Insertion and Data Tracking with Frequency Offset for Physical Wireless Parameter Conversion Sensor Networks. Sensors 19 (4) (2019)
Akinori Kamio, Fumihito Sasamori, Shiro Handa, Osamu Takyu, Mai Ohta, Takeo Fujii
Recognition and Countermeasure to Hidden Terminal Problem by Packet Analysis in Wireless LAN. APSIPA (2019)
Yuki Nishio, Osamu Takyu, Hayato Soya, Mai Ohta, Takeo Fujii
Optimal Channel Selection Rate of Slave Terminal for Rendezvous Channel Scheme based on Channel Occupancy Rate. ICUFN (2019)
Yudai Yamazaki, Takeo Fujii, Osamu Takyu, Mai Ohta, Koichi Adachi
Spectrum Sharing Exploiting Spectrum Database for LPWA. ICUFN (2019)
Tetsuya Noguchi, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki
Performance Evaluation of Information-Sharing Scheme Among Multiple Destinations with Mirroring Null Steering in Single Antenna Networks. ICOIN (2019)
Ryota Sugimoto, Osamu Takyu
Access Decision based on Secure Capacity for prevention to CSI Impersonation of Untrusted Relay. APSIPA (2019)
Shuhei Yamasaki, Osamu Takyu, Keiichiro Shirai, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Shiro Handa
Data Separation Considering Smoothness of Sensing Data in Physical Wireless Parameter Conversion Sensor Networks. ICOIN (2019)
Toshiki Nonaka, Takeo Fujii, Osamu Takyu, Mai Ohta
Network MIMO with Interference Cancellation for Cloud-Cooperated Wireless Sensor Networks. ICOIN (2019)
Osamu Takyu, Keiichiro Shirai, Takeo Fujii, Mai Ohta
Adaptive Channel Assignment With Predictions of Sensor Results and Channel Occupancy Ratio in PhyC-SN. IEEE Access 7 (2019)
Arata Takahashi, Fumihito Sasamori, Shiro Handa, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki
Overloaded Wireless MIMO Switching for Secure Wireless Communication Exchanging to Untrusted Relay. ICUFN (2019)
Naoki Aihara, Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii
Q-Learning Aided Resource Allocation and Environment Recognition in LoRaWAN With CSMA/CA. IEEE Access 7 (2019)
Mas Haslinda Mohamad, Aduwati Sali, Fazirulhisyam Hashim, Rosdiadee Nordin, Osamu Takyu
Clustering Transmission Opportunity Length (CTOL) Model over Cognitive Radio Network. Sensors 18 (12) (2018)
Osamu Takyu, Shohei Fujii, Fumihito Sasamori, Shiro Handa, Mai Ohta, Takeo Fujii
Channel assignment based on predictions of sensing result and channel occupancy rate in PhyC-SN. WCNC (2018)
Ryo Kurosawa, Osamu Takyu, Fumihito Sasamori, Shiro Handa, Mai Ohta, Takeo Fujii
Experimental study of signaling with IFDMA modulation and nonlinear amplifying for recovering access channel mismatch. ICOIN (2018)
Kyosuke Fukuda, Osamu Takyu, Keiichiro Shirai, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa
Transmit control and data separation in physical wireless parameter conversion sensor networks with event driven sensors. WiSNet (2018)
Naoya Amano, Osamu Takyu, Keiichiro Shirai, Fumihito Sasamori, Shiro Handa
Data Separation Technique using Spatial Correlation of Sensing Results for Physical Wireless Parameter Conversion Sensor Networks. APSIPA (2018)
Tetsuya Noguchi, Osamu Takyu, Fumihito Sasamori, Shiro Handa, Takeo Fujii, Tomoaki Ohtsuki
Transmit control for secure information sharing in untrusted relay with two antennas. ICOIN (2018)
Hironori Godo, Osamu Takyu, Koichi Adachi, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa
Experimental Evaluation of Interference Robustness for Frequency Spectrum Sharing in WLAN Systems. APSIPA (2018)
Shuhei Yamasaki, Minato Oriuchi, Osamu Takyu, Keiichiro Shirai, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Shiro Handa
A Signal Separation Method for Physical Wireless Parameter Conversion Sensor Networks Using K-Shortest Path. APSIPA (2018)
Mai Ohta, Koichi Adachi, Naoki Aihara, Osamu Takyu, Takeo Fujii, Makoto Taromaru
Measurement Experiments on 920 MHz Band for Spectrum Sharing with LoRaWAN. VTC Fall (2018)
Yusuke Shirasaki, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki, Fumihito Sasamori, Shiro Handa
Consideration of security for PLNC with untrusted relay in game theoretic perspective. RWS (2018)
Hayato Soya, Osamu Takyu, Keiichiro Shirai, Fumihito Sasamori, Shiro Handa, Mai Ohta, Takeo Fujii
Modified rendezvous scheme with inferring access channel probability of slave by master. ICOIN (2018)
Hayato Soya, Osamu Takyu, Keiichiro Shirai, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa
Fast Rendezvous Scheme with a Few Control Signals for Multi-Channel Cognitive Radio. IEICE Trans. Commun. (7) (2018)
Tetsuya Noguchi, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki, Fumihito Sasamori, Shiro Handa
Secure information sharing with mirroring null steering through untrusted relay with two antennas. RWS (2018)
Mai Ohta, Makoto Taromaru, Takeo Fujii, Osamu Takyu
Spectrum edge decision method for energy detection with FFT. ICOIN (2017)
Qirui Xia, Fumihito Sasamori, Shiro Handa, Osamu Takyu
Performance evaluation of M-ary SS/OFDM systems with short spread spectrum codes over visible light channels. ICTC (2017)
Toshiyuki Shizuoka, Osamu Takyu, Mai Ohta, Takeo Fujii
Multiband hierarchical ad hoc network with wireless environment recognition. APSIPA (2017)
Masahiro Endo, Tomoaki Ohtsuki, Takeo Fujii, Osamu Takyu
Secure Channel Selection Using Multi-Armed Bandit Algorithm in Cognitive Radio Network. VTC Spring (2017)
Ryo Kurosawa, Osamu Takyu, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa
Control Signal Transmission Based on IFDMA and Receiver with Nonlinear Amplifier for Compensating Access Channel Mismatch. VTC Fall (2017)
Osamu Takyu, Shohei Fujii, Youhei Akimoto, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa
Optimal cluster head selection and rotation of cognitive wireless sensor networks for simultaneous data gathering and long life system. Int. J. Distributed Sens. Networks 13 (12) (2017)
Mai Ohta, Osamu Takyu, Takeo Fujii, Makoto Taromaru
Robust channel selection method under home electronics-derived electromagnetic wave interference. ICUFN (2017)
Koji Kakinuma, Mai Ohta, Osamu Takyu, Takeo Fujii
Fusion Center Controlled MAC Protocol for Physical Wireless Parameter Conversion Sensor Networks (PHY-C SN). IEICE Trans. Commun. (7) (2017)
Koji Kakinuma, Takeo Fujii, Osamu Takyu, Mai Ohta
Multiple information collection with frequency offset compensation by utilizing physical wireless parameter conversion sensor network (PHY-C SN). ICUFN (2017)
Takehiro Sakai, Osamu Takyu, Keiichiro Shirai, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa
Data Tracking Using Frequency Offset and SIC for Physical Wireless Conversion Sensor Networks. WCNC Workshops (2017)
Shunsuke Imai, Osamu Takyu, Fumihito Sasamori, Shiro Handa
A study of monitoring system for radio leak with massive radio sensors. APSIPA (2017)
Takumi Kimura, Osamu Takyu, Fumihito Sasamori, Shiro Handa, Takeo Fujii, Mai Ohta
Optimization of multi-channel access in learning assisted measurement of channel occupancy ratio by USRP. ICOIN (2017)
Shohei Fujii, Osamu Takyu, Fumihito Sasamori, Shiro Handa, Takeo Fujii, Mai Ohta
Optimal cluster head selection and rotation of cognitive wireless sensor networks for simultaneous data gathering. ICOIN (2017)
Hayato Soya, Osamu Takyu, Keiichiro Shirai, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa
Measurement Technique for Occupancy Ratio and Transition Ratio in Cognitive Radio System. WCNC Workshops (2017)
Takeo Fujii, Shunsuke Takegi, Taiki Nakayama, Mai Ohta, Osamu Takyu
Highly efficient environment aware wireless sensor network. CCNC (2016)
Mai Ohta, Osamu Takyu, Takeo Fujii, Makoto Taromaru
Novel two-stage spectrum sensing for energy detection with FFT. WCNC Workshops (2016)
Minato Oriuchi, Osamu Takyu, Keiichiro Shirai, Fumihito Sasamori, Shiro Handa, Mai Ohta, Takeo Fujii
Fundamental study of decomposition based on heterogeneous sensing data in physical conversion sensor networks. APSIPA (2016)
Mai Ohta, Osamu Takyu, Takeo Fujii, Makoto Taromaru
Novel two-stage spectrum sensing for energy detection with FFT. WCNC (2016)
Minato Oriuchi, Osamu Takyu, Keiichiro Shirai, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Shiro Handa
Multi-target tracking based on features of sensing results and wireless parameters for physical wireless parameter conversion sensor networks. RWS (2016)
Minato Oriuchi, Osamu Takyu, Keiichiro Shirai, Fumihito Sasamori, Shiro Handa, Takeo Fujii, Mai Ohta
Performance evaluation of multi-target tracking for PhyC-SN. WCNC Workshops (2016)
Osamu Takyu, Kengo Matsumoto, Tomoaki Ohtsuki, Takeo Fujii, Fumihito Sasamori, Shiro Handa
Optimal impersonation of CSI for maximizing leaked information to untrusted relay in PLNC. WCNC (2016)
Minato Oriuchi, Osamu Takyu, Keiichiro Shirai, Fumihito Sasamori, Shiro Handa, Takeo Fujii, Mai Ohta
Performance evaluation of multi-target tracking for PhyC-SN. WCNC (2016)
Junichi Kabeya, Osamu Takyu, Tomoaki Ohtsuki, Fumihito Sasamori, Shiro Handa
Performance evaluation of the physical layer security using artificial noise and relay station. APSIPA (2015)
Takumi Kimura, Osamu Takyu, Fumihito Sasamori, Shiro Handa
Unifying of frequency channel for spectrum sharing in wireless sensor networks with star topology. ICTC (2015)
Shuta Kako, Osamu Takyu, Takeo Fujii
Joint Resource Allocation with Interference Constraint for Cognitive Multi-Hop Wireless Networks. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (2) (2015)
Fumihito Sasamori, Satoru Asada, Osamu Takyu, Shiro Handa
Precise BER Analysis of Repetition Coded OFDM Systems over Time- and Frequency-Selective Rayleigh Fading Channels. IEICE Trans. Commun. (1) (2015)
Kengo Matsumoto, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki, Fumihito Sasamori, Shiro Handa
Evaluation of information leak by robustness evaluation of countermeasure to disguised CSI in PLNC considering physical layer security. RWS (2015)
Shohei Fujii, Osamu Takyu, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Shiro Handa
Selection method of cluster head in wireless sensor networks of wireless physical conversion for spectrum sharing. ICTC (2015)
Osamu Takyu, Takayuki Yamakita, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Shiro Handa
Optimization of Learning Time for Learning-Assisted Rendezvous Channel in Cognitive Radio System. IEICE Trans. Commun. (2) (2015)
Ryo Myoenzono, Osamu Takyu, Keiichiro Shirai, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Shiro Handa
Data Tracking and Effect of Frequency Offset to Simultaneous Collecting Method for Wireless Sensor Networks. Int. J. Distributed Sens. Networks 11 (2015)

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Publication Activity (10 Years)

Top Topics

Top Venues

Osamu Takyu