Osamu Takyu - RankMe

161 papers B 17Misc 4Journal 43Unranked 97

Year	Rank	Type	Title / Venue / Authors
2026	—	`conf`	Frequency Spectrum Sharing of Time Scheduling and Adaptive Beam Forming for Local 5G System. ICAIIC Osamu Takyu, Haruka Sakamoto, Takeru Nanjo, Hayato Mitsuhashi, Kohei Akimoto
2026	J	`jnl`	Lightweight Regularized Network for Multilabel Indoor HAR in Multiuser CSI Environments With Uncertainty Quantification. IEEE Internet Things J. Fucheng Miao, Chenchen Liu, Zhiyi Lu, Lin Shan, Osamu Takyu, Tomoaki Ohtsuki, Guan Gui
2026	J	`jnl`	MuECNet: A Lightweight Multiuser Enhanced Convolutional Architecture for Robust CSI-Based Human Activity Recognition in Real-World IoT Environments. IEEE Internet Things J. Fucheng Miao, Osamu Takyu, Lin Shan, Yue Yin, Ou Zhao, Tomoaki Ohtsuki, Guan Gui
2026	—	`conf`	Priority Control Method Based on Estimation of Unaggregated Data and Prediction Broadcasts in Wireless Sensor Networks. WiSNet Hideyasu Hirane, Osamu Takyu
2026	—	`conf`	Proposal of Positioning Method Considering Received Signal Strength Indication for Indoor Positioning Using Zigbee Terminals. WiSNet Haruki Shibata, Osamu Takyu, David K. Asano
2026	Misc	`conf`	Robust HAR with CSI Tokens: Single-Direction Prompt Guidance on a Frozen LLM. ICNC Fucheng Miao, Osamu Takyu, Lin Shan, Ou Zhao, Tomoaki Ohtsuki, Guan Gui, Fumiyuki Adachi
2026	—	`conf`	Two-Stage Beam Index Estimation Method Using Spectrum Sensing in Local 5G. ICAIIC Hayato Mitsuhashi, Osamu Takyu, Kohei Akimoto
2025	—	`conf`	A Regional Clustering Method Based on Propagation Similarity for Modeling Cumulative Interference from Large Numbers of Terminals. APSIPA Tatsuro Hidaka, Osamu Takyu, Kei Inage, Takeo Fujii, Kohei Yoshida, Masayuki Ariyoshi
2025	—	`conf`	Enhancing Cross-Domain Robustness in Wi-Fi-Based Human Activity Recognition via Attention-Driven Deep Learning. VTC2025-Fall Fucheng Miao, Osamu Takyu, Lin Shan, Tomoaki Ohtsuki, Guan Gui
2025	—	`conf`	Improvement of Terrestrial Radio Environment Measurement Methods Using Satellite Constellations. ICOIN Takatoshi Obata, Osamu Takyu, Kei Inage, Takeo Fujii, Kohei Yoshida, Masayuki Ariyoshi
2025	—	`conf`	Information-Intensive Control Method Using Estimated Observation Values Based on Correlation of Observation Values from Multiple Sensors. ICAIIC Yudai Koike, Osamu Takyu
2025	—	`conf`	Modified Resource Allocation Algorithm Based on Co-Channel Interference Prediction in Local 5G Environments. APSIPA Takeru Nanjo, Osamu Takyu
2025	—	`conf`	Resource Allocation Based on Relation Information of Hidden Node for Minimizing Packet Error in LPWA. VTC2025-Fall Keita Aoki, Osamu Takyu, Koichi Adachi, Mai Ohta, Takeo Fujii
2025	J	`jnl`	Tackling Hidden Node Problem Utilizing Traffic Periodicity and Downlink Carrier Sense in LPWAN. IEEE Internet Things J. Aoto Kaburaki, Koichi Adachi, Osamu Takyu
2024	—	`conf`	A Study on Estimation Method of Interference State during Frequency Sharing in 5G Cellular Systems. ICAIIC Taiga Kawaguchi, Osamu Takyu, Takeo Fujii
2024	—	`conf`	A Study on Non-Orthogonal Multiple Access with Stored Device-to-Device Communication in Cellular Systems. ICOIN Masahiro Mizuno, Osamu Takyu
2024	J	`jnl`	Adaptive Resource Allocation Utilizing Periodic Traffic and Clock Drift in LPWAN. IEEE Trans. Wirel. Commun. Aoto Kaburaki, Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii
2024	J	`jnl`	An Environment-Aware Adaptive Data-Gathering Method for Packet-Level Index Modulation in LPWA. Sensors Osamu Takyu, Keita Takeda, Ryuji Miyamoto, Koichi Adachi, Mai Ohta, Takeo Fujii
2024	—	`conf`	Characterization of Discrimination of Number of Signal Collision Sensors Using Spectral Fluctuation Caused by Frequency Offset in Physical Wireless Parameter Conversion Sensor Networks. ICAIIC Toshi Ito, Osamu Takyu, Mai Ohta, Takeo Fujii, Koichi Adachi
2024	—	`conf`	Characterization of Iterative PLIM for Environmental Observations and Transmission Design. ICTC Yu Fujimoto, Osamu Takyu
2024	Misc	`conf`	LBT-Based Resource Allocation Methods Utilizing Periodicity of Traffic in LPWAN. ICNC Aoto Kaburaki, Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii
2024	—	`conf`	Novel Environmental Recognition Scheme with Mobile Data Gathering Station in Physical Wireless Parameter Conversion Sensor Networks. VTC Fall Toshi Ito, Osamu Takyu, Mai Ohta, Takeo Fujii, Koichi Adachi
2024	—	`conf`	Observation of the Terrestrial Radio Environment Using the Low Earth Orbit Satellite Constellation. APSIPA Takatoshi Obata, Osamu Takyu, Kei Inage, Takeo Fujii, Kohei Yoshida, Masayuki Ariyoshi
2024	J	`jnl`	Packet-Level Index Modulation Based on Channel Activity Detection. IEEE Trans. Wirel. Commun. Kosuke Suzuki, Koichi Adachi, Mai Ohta, Osamu Takyu, Takeo Fujii
2024	—	`conf`	Received Signal Aided Implicit Node Clustering in LPWAN. VTC Spring Takahiro Saraya, Aoto Kaburaki, Koichi Adachi, Osamu Takyu, Takeo Fujii, Mai Ohta
2024	—	`conf`	Shared Decision Making Using Distribution Estimation of Same Frequency Interference in 5G. ICAIIC Taiga Kawaguchi, Osamu Takyu
2023	J	`jnl`	Data Gathering Method with High Accuracy of Environment Recognition Using Mathematical Optimization in Packet-Level Index Modulation. IEICE Trans. Commun. Ryuji Miyamoto, Osamu Takyu, Hiroshi Fujiwara, Koichi Adachi, Mai Ohta, Takeo Fujii
2023	J	`jnl`	Data Gathering Scheme for Event Detection and Recognition in Low Power Wide Area Networks. IEICE Trans. Commun. Taiki Suehiro, Tsuyoshi Kobayashi, Osamu Takyu, Yasushi Fuwa
2023	—	`conf`	Implementation of PLIM on 429MHz LoRa/FSK with improved conversion table. APSIPA ASC Keita Takeda, Ryuji Miyamoto, Osamu Takyu
2023	—	`conf`	Packet-Level Index Modulation Under Duty Cycle Constraints. WPMC Ryogo Oya, Shinichiro Kakuda, Takeo Fujii, Osamu Takyu, Mai Ohta, Koichi Adachi
2023	J	`jnl`	Position Estimation of Radio Source Based on Fingerprinting With Physical Wireless Parameter Conversion Sensor Networks. IEEE Access Masafumi Oda, Osamu Takyu, Mai Ohta, Takeo Fujii, Koichi Adachi
2023	—	`conf`	Radio Sensor Detection of Interference to Satellite Earth Station in Frequency Spectrum Sharing. ICUFN Takatoshi Obata, Osamu Takyu
2023	B	`conf`	Resource Allocation for Periodic Traffic in Wireless Sensor Network. WCNC Aoto Kaburaki, Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii
2023	J	`jnl`	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 Toshi Ito, Masafumi Oda, Osamu Takyu, Mai Ohta, Takeo Fujii, Koichi Adachi
2023	—	`conf`	Water Level Monitoring System based on 429MHz LoRa with Packet Level Index Modulation. ICUFN Yudai Koike, Osamu Takyu
2022	J	`jnl`	Estimation Based on Chirp Modulation for Desired and Interference Power and Channel Occupancy Ratio in LoRa. Sensors Osamu Takyu, Gaku Kobayashi, Koichi Adachi, Mai Ohta, Takeo Fujii
2022	J	`jnl`	Flexible Index Mapping Scheme for Packet-Level Index Modulation. IEEE Wirel. Commun. Lett. Kosuke Suzuki, Koichi Adachi, Mai Ohta, Osamu Takyu, Takeo Fujii
2022	—	`conf`	High-Sensitivity Detection Method for Signals in PhyC-SN. ICUFN Toshi Ito, Osamu Takyu, Mai Ohta, Takeo Fujii, Koichi Adachi
2022	—	`conf`	Performance Evaluation of Highly Efficient Information Collection Methods by Trend Analysis of Sensor Information Using Pre-learning. ICUFN Ryuji Miyamoto, Osamu Takyu, Hiroshi Fujiwara, Koichi Adachi, Mai Ohta, Takeo Fujii
2022	J	`jnl`	Simple Clock Drift Estimation and Compensation for Packet-Level Index Modulation and Its Implementation in LoRaWAN. IEEE Internet Things J. Kohei Tsurumi, Aoto Kaburaki, Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii
2021	J	`jnl`	Achievable Rate Enhancement Based on Multi-Packet Indexing in Packet-Level Index Modulation. IEEE Access Riku Yamabe, Mikihiko Nishiara, Osamu Takyu, Koichi Adachi
2021	—	`conf`	Actual Machine Experiment of Efficient Collection Method of Sensor Information in Wireless Sensors Network for Event Detection. ICTC Taiki Suehiro, Tsuyoshi Kobayashi, Osamu Takyu, Yasushi Fuwa
2021	J	`jnl`	Autonomous Decentralized Traffic Control Using Q-Learning in LPWAN. IEEE Access Aoto Kaburaki, Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii
2021	—	`conf`	Channel Allocation for LoRaWanConsidering Intra-System and Inter-System Interferences. VTC Fall Shinichiro Kakuda, Yudai Yamazaki, Keita Katagiri, Takeo Fujii, Osamu Takyu, Mai Ohta, Koichi Adachi
2021	—	`conf`	Channel Capacity for a Model of Packet Level Index Modulation in LPWA Networks. ICUFN Riku Yamabe, Mikihiko Nishiara, Osamu Takyu
2021	—	`conf`	DCT Compression Scheme for Wireless Sensor Information considering Spatial Correlation. ICOIN Kohei Natsume, Mai Ohta, Koichi Adachi, Osamu Takyu, Takeo Fujii
2021	—	`conf`	Examination of efficient aggregation method of sensor information by wireless sensor network for event detection in frequency sharing. ICUFN Tsuyoshi Kobayashi, Taiki Suehiro, Osamu Takyu, Yasushi Fuwa
2021	—	`conf`	Highly Efficient Data Gathering with Tendency Prediction based on Position Information of Event in Wireless Sensor Networks. APSIPA ASC Osamu Takyu, Ryota Sugimoto
2021	J	`jnl`	Optimal Construction of Access Rate to Superior Channel in Rendezvous Channel Based on Channel-Occupancy Ratio. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. Yuki Nishio, Osamu Takyu, Hayato Soya, Keiichiro Shirai, Mai Ohta, Takeo Fujii
2021	J	`jnl`	Overloaded Wireless MIMO Switching for Information Exchanging through Untrusted Relay in Secure Wireless Communication. IEICE Trans. Commun. Arata Takahashi, Osamu Takyu, Hiroshi Fujiwara, Takeo Fujii, Tomoaki Ohtsuki
2021	J	`jnl`	Packet-Level Index Modulation for LoRaWAN. IEEE Access Koichi Adachi, Kohei Tsurumi, Aoto Kaburaki, Osamu Takyu, Mai Ohta, Takeo Fujii
2021	—	`conf`	Performance Evaluation of Efficient Collection Method of Sensor Information in Wireless Sensor Networks for Event Detection. ICTC Taiki Suehiro, Tsuyoshi Kobayashi, Osamu Takyu, Yasushi Fuwa
2021	—	`conf`	Proposal of interference power occupancy estimation method using chirp demodulation. ICUFN Gaku Kobayashi, Osamu Takyu, Koichi Adachi, Mai Ohta, Takeo Fujii
2021	J	`jnl`	Spatial Compression of Sensing Information for Exploiting the Vacant Frequency Resource Using Radio Sensors. IEICE Trans. Commun. Kenichiro Yamamoto, Osamu Takyu, Keiichiro Shirai, Yasushi Fuwa
2021	B	`conf`	Transmission Timing Control Using ACK Signal in LoRaWAN. WCNC Muying Chen, Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii
2020	—	`conf`	Adapting the number of replicas in the E-IRSA system using the power control. ICOIN Toshiki Nonaka, Takeo Fujii, Osamu Takyu, Mai Ohta
2020	—	`conf`	Autonomous Decentralized Transmission Timing Control in Wireless Sensor Network. APSIPA Aoto Kaburaki, Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii
2020	—	`conf`	Construction of Selection-Scheduling of Accessing Node for High Efficiency Information Exchanging in Overloaded Wireless MIMO Switching. ICTC Arata Takahashi, Osamu Takyu, Hiroshi Fujiwara
2020	—	`conf`	Data Fusion Method Exploiting Data Correlation for Physical Wireless Parameter Conversion Sensor Networks. ICOIN Kohei Natsume, Mai Ohta, Osamu Takyu, Takeo Fujii
2020	—	`conf`	Estimation of Desired power and Undesired power Using Chirp Demodulation and Evaluation of Accuracy. APSIPA Gaku Kobayashi, Osamu Takyu, Koichi Adachi, Mai Ohta, Takeo Fujii
2020	—	`conf`	Spatial Compression of Sensing Information for Exploiting the Vacant Frequency Resource using Radio Sensors. ICTC Kenichiro Yamamoto, Osamu Takyu, Keiichiro Shirai, Yasushi Fuwa
2020	—	`conf`	Specification of Link Quality Degradation in WLAN based on MCS and Retransmission Flag. APSIPA Hirotaka Senda, Osamu Takyu, Akinori Kamio, Mai Ohta, Takeo Fujii
2020	—	`conf`	Verification of Interference Estimation by a Radio Sensor Considering Detection Sensitivity for Dynamic Spectrum Access in Spatial White Space. ICTC Tsuyoshi Kobayashi, Kenichiro Yamamoto, Osamu Takyu, Yasushi Fuwa
2019	—	`conf`	Access Decision based on Secure Capacity for prevention to CSI Impersonation of Untrusted Relay. APSIPA Ryota Sugimoto, Osamu Takyu
2019	J	`jnl`	Adaptive Channel Assignment With Predictions of Sensor Results and Channel Occupancy Ratio in PhyC-SN. IEEE Access Osamu Takyu, Keiichiro Shirai, Takeo Fujii, Mai Ohta
2019	—	`conf`	Adaptive Transmission Control with Prediction of Sensing Results for PhyC-SN. RWS Kyosuke Fukuda, Osamu Takyu, Keiichiro Shirai, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Sliiro Handa
2019	—	`conf`	Data Separation Considering Smoothness of Sensing Data in Physical Wireless Parameter Conversion Sensor Networks. ICOIN Shuhei Yamasaki, Osamu Takyu, Keiichiro Shirai, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Shiro Handa
2019	J	`jnl`	ID Insertion and Data Tracking with Frequency Offset for Physical Wireless Parameter Conversion Sensor Networks. Sensors Osamu Takyu, Keiichiro Shirai, Mai Ohta, Takeo Fujii
2019	—	`conf`	Network MIMO with Interference Cancellation for Cloud-Cooperated Wireless Sensor Networks. ICOIN Toshiki Nonaka, Takeo Fujii, Osamu Takyu, Mai Ohta
2019	—	`conf`	Optimal Channel Selection Rate of Slave Terminal for Rendezvous Channel Scheme based on Channel Occupancy Rate. ICUFN Yuki Nishio, Osamu Takyu, Hayato Soya, Mai Ohta, Takeo Fujii
2019	—	`conf`	Overloaded Wireless MIMO Switching for Secure Wireless Communication Exchanging to Untrusted Relay. ICUFN Arata Takahashi, Fumihito Sasamori, Shiro Handa, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki
2019	—	`conf`	Performance Evaluation of Information-Sharing Scheme Among Multiple Destinations with Mirroring Null Steering in Single Antenna Networks. ICOIN Tetsuya Noguchi, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki
2019	J	`jnl`	Q-Learning Aided Resource Allocation and Environment Recognition in LoRaWAN With CSMA/CA. IEEE Access Naoki Aihara, Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii
2019	—	`conf`	Recognition and Countermeasure to Hidden Terminal Problem by Packet Analysis in Wireless LAN. APSIPA Akinori Kamio, Fumihito Sasamori, Shiro Handa, Osamu Takyu, Mai Ohta, Takeo Fujii
2019	—	`conf`	Spectrum Sharing Exploiting Spectrum Database for LPWA. ICUFN Yudai Yamazaki, Takeo Fujii, Osamu Takyu, Mai Ohta, Koichi Adachi
2018	—	`conf`	A Signal Separation Method for Physical Wireless Parameter Conversion Sensor Networks Using K-Shortest Path. APSIPA Shuhei Yamasaki, Minato Oriuchi, Osamu Takyu, Keiichiro Shirai, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Shiro Handa
2018	B	`conf`	Channel assignment based on predictions of sensing result and channel occupancy rate in PhyC-SN. WCNC Osamu Takyu, Shohei Fujii, Fumihito Sasamori, Shiro Handa, Mai Ohta, Takeo Fujii
2018	J	`jnl`	Clustering Transmission Opportunity Length (CTOL) Model over Cognitive Radio Network. Sensors Mas Haslinda Mohamad, Aduwati Sali, Fazirulhisyam Hashim, Rosdiadee Nordin, Osamu Takyu
2018	—	`conf`	Consideration of security for PLNC with untrusted relay in game theoretic perspective. RWS Yusuke Shirasaki, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki, Fumihito Sasamori, Shiro Handa
2018	—	`conf`	Data Separation Technique using Spatial Correlation of Sensing Results for Physical Wireless Parameter Conversion Sensor Networks. APSIPA Naoya Amano, Osamu Takyu, Keiichiro Shirai, Fumihito Sasamori, Shiro Handa
2018	—	`conf`	Experimental Evaluation of Interference Robustness for Frequency Spectrum Sharing in WLAN Systems. APSIPA Hironori Godo, Osamu Takyu, Koichi Adachi, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa
2018	—	`conf`	Experimental study of signaling with IFDMA modulation and nonlinear amplifying for recovering access channel mismatch. ICOIN Ryo Kurosawa, Osamu Takyu, Fumihito Sasamori, Shiro Handa, Mai Ohta, Takeo Fujii
2018	J	`jnl`	Fast Rendezvous Scheme with a Few Control Signals for Multi-Channel Cognitive Radio. IEICE Trans. Commun. Hayato Soya, Osamu Takyu, Keiichiro Shirai, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa
2018	—	`conf`	Measurement Experiments on 920 MHz Band for Spectrum Sharing with LoRaWAN. VTC Fall Mai Ohta, Koichi Adachi, Naoki Aihara, Osamu Takyu, Takeo Fujii, Makoto Taromaru
2018	—	`conf`	Modified rendezvous scheme with inferring access channel probability of slave by master. ICOIN Hayato Soya, Osamu Takyu, Keiichiro Shirai, Fumihito Sasamori, Shiro Handa, Mai Ohta, Takeo Fujii
2018	—	`conf`	Secure information sharing with mirroring null steering through untrusted relay with two antennas. RWS Tetsuya Noguchi, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki, Fumihito Sasamori, Shiro Handa
2018	—	`conf`	Transmit control and data separation in physical wireless parameter conversion sensor networks with event driven sensors. WiSNet Kyosuke Fukuda, Osamu Takyu, Keiichiro Shirai, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa
2018	—	`conf`	Transmit control for secure information sharing in untrusted relay with two antennas. ICOIN Tetsuya Noguchi, Osamu Takyu, Fumihito Sasamori, Shiro Handa, Takeo Fujii, Tomoaki Ohtsuki
2017	—	`conf`	A study of monitoring system for radio leak with massive radio sensors. APSIPA Shunsuke Imai, Osamu Takyu, Fumihito Sasamori, Shiro Handa
2017	—	`conf`	Control Signal Transmission Based on IFDMA and Receiver with Nonlinear Amplifier for Compensating Access Channel Mismatch. VTC Fall Ryo Kurosawa, Osamu Takyu, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa
2017	—	`conf`	Data Tracking Using Frequency Offset and SIC for Physical Wireless Conversion Sensor Networks. WCNC Workshops Takehiro Sakai, Osamu Takyu, Keiichiro Shirai, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa
2017	J	`jnl`	Fusion Center Controlled MAC Protocol for Physical Wireless Parameter Conversion Sensor Networks (PHY-C SN). IEICE Trans. Commun. Koji Kakinuma, Mai Ohta, Osamu Takyu, Takeo Fujii
2017	—	`conf`	Measurement Technique for Occupancy Ratio and Transition Ratio in Cognitive Radio System. WCNC Workshops Hayato Soya, Osamu Takyu, Keiichiro Shirai, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa
2017	—	`conf`	Multiband hierarchical ad hoc network with wireless environment recognition. APSIPA Toshiyuki Shizuoka, Osamu Takyu, Mai Ohta, Takeo Fujii
2017	—	`conf`	Multiple information collection with frequency offset compensation by utilizing physical wireless parameter conversion sensor network (PHY-C SN). ICUFN Koji Kakinuma, Takeo Fujii, Osamu Takyu, Mai Ohta
2017	J	`jnl`	Optimal cluster head selection and rotation of cognitive wireless sensor networks for simultaneous data gathering and long life system. Int. J. Distributed Sens. Networks Osamu Takyu, Shohei Fujii, Youhei Akimoto, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa
2017	—	`conf`	Optimal cluster head selection and rotation of cognitive wireless sensor networks for simultaneous data gathering. ICOIN Shohei Fujii, Osamu Takyu, Fumihito Sasamori, Shiro Handa, Takeo Fujii, Mai Ohta
2017	—	`conf`	Optimization of multi-channel access in learning assisted measurement of channel occupancy ratio by USRP. ICOIN Takumi Kimura, Osamu Takyu, Fumihito Sasamori, Shiro Handa, Takeo Fujii, Mai Ohta
2017	—	`conf`	Performance evaluation of M-ary SS/OFDM systems with short spread spectrum codes over visible light channels. ICTC Qirui Xia, Fumihito Sasamori, Shiro Handa, Osamu Takyu
2017	—	`conf`	Robust channel selection method under home electronics-derived electromagnetic wave interference. ICUFN Mai Ohta, Osamu Takyu, Takeo Fujii, Makoto Taromaru
2017	—	`conf`	Secure Channel Selection Using Multi-Armed Bandit Algorithm in Cognitive Radio Network. VTC Spring Masahiro Endo, Tomoaki Ohtsuki, Takeo Fujii, Osamu Takyu
2017	—	`conf`	Spectrum edge decision method for energy detection with FFT. ICOIN Mai Ohta, Makoto Taromaru, Takeo Fujii, Osamu Takyu
2016	—	`conf`	Fundamental study of decomposition based on heterogeneous sensing data in physical conversion sensor networks. APSIPA Minato Oriuchi, Osamu Takyu, Keiichiro Shirai, Fumihito Sasamori, Shiro Handa, Mai Ohta, Takeo Fujii
2016	—	`conf`	Highly efficient environment aware wireless sensor network. CCNC Takeo Fujii, Shunsuke Takegi, Taiki Nakayama, Mai Ohta, Osamu Takyu
2016	—	`conf`	Multi-target tracking based on features of sensing results and wireless parameters for physical wireless parameter conversion sensor networks. RWS Minato Oriuchi, Osamu Takyu, Keiichiro Shirai, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Shiro Handa
2016	—	`conf`	Novel two-stage spectrum sensing for energy detection with FFT. WCNC Workshops Mai Ohta, Osamu Takyu, Takeo Fujii, Makoto Taromaru
2016	B	`conf`	Novel two-stage spectrum sensing for energy detection with FFT. WCNC Mai Ohta, Osamu Takyu, Takeo Fujii, Makoto Taromaru
2016	B	`conf`	Optimal impersonation of CSI for maximizing leaked information to untrusted relay in PLNC. WCNC Osamu Takyu, Kengo Matsumoto, Tomoaki Ohtsuki, Takeo Fujii, Fumihito Sasamori, Shiro Handa
2016	—	`conf`	Performance evaluation of multi-target tracking for PhyC-SN. WCNC Workshops Minato Oriuchi, Osamu Takyu, Keiichiro Shirai, Fumihito Sasamori, Shiro Handa, Takeo Fujii, Mai Ohta
2016	B	`conf`	Performance evaluation of multi-target tracking for PhyC-SN. WCNC Minato Oriuchi, Osamu Takyu, Keiichiro Shirai, Fumihito Sasamori, Shiro Handa, Takeo Fujii, Mai Ohta
2015	J	`jnl`	Data Tracking and Effect of Frequency Offset to Simultaneous Collecting Method for Wireless Sensor Networks. Int. J. Distributed Sens. Networks Ryo Myoenzono, Osamu Takyu, Keiichiro Shirai, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Shiro Handa
2015	—	`conf`	Evaluation of information leak by robustness evaluation of countermeasure to disguised CSI in PLNC considering physical layer security. RWS Kengo Matsumoto, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki, Fumihito Sasamori, Shiro Handa
2015	J	`jnl`	Joint Resource Allocation with Interference Constraint for Cognitive Multi-Hop Wireless Networks. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. Shuta Kako, Osamu Takyu, Takeo Fujii
2015	J	`jnl`	Optimization of Learning Time for Learning-Assisted Rendezvous Channel in Cognitive Radio System. IEICE Trans. Commun. Osamu Takyu, Takayuki Yamakita, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Shiro Handa
2015	—	`conf`	Performance evaluation of the physical layer security using artificial noise and relay station. APSIPA Junichi Kabeya, Osamu Takyu, Tomoaki Ohtsuki, Fumihito Sasamori, Shiro Handa
2015	J	`jnl`	Precise BER Analysis of Repetition Coded OFDM Systems over Time- and Frequency-Selective Rayleigh Fading Channels. IEICE Trans. Commun. Fumihito Sasamori, Satoru Asada, Osamu Takyu, Shiro Handa
2015	—	`conf`	Selection method of cluster head in wireless sensor networks of wireless physical conversion for spectrum sharing. ICTC Shohei Fujii, Osamu Takyu, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Shiro Handa
2015	—	`conf`	Unifying of frequency channel for spectrum sharing in wireless sensor networks with star topology. ICTC Takumi Kimura, Osamu Takyu, Fumihito Sasamori, Shiro Handa
2014	—	`conf`	Data tracking and effect of frequency offset to simultaneous collecting method for wireless sensor networks. ICTC Ryo Myoenzono, Osamu Takyu, Keiichiro Shirai, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Sliiro Handa
2014	J	`jnl`	Dynamic Spectrum Sharing for OFDMA-Based Multi-hop Cognitive Radio Networks with Priority. Wirel. Pers. Commun. Shuta Kako, Takeo Fujii, Osamu Takyu
2014	—	`conf`	Effect of PAPR reduction to BS cooperation MIMO systems under multi-cell environment. RWS Ryo Myoenzono, Osamu Takyu, Fumihito Sasamori, Shiro Handa
2014	Misc	`conf`	Learning assisted rendezvous channel in cognitive radio system. ICCS Osamu Takyu, Takayuki Yamakita, Takeo Fujii, Fumihito Sasamori, Shiro Handa
2014	—	`conf`	Performance evaluation of acoustic OFDM with repetition coding. ICTC Shigeru Sasano, Fumihito Sasamori, Osamu Takyu, Shiro Handa
2014	—	`conf`	Physical layer network coding with multiple untrusted relays for physical layer security. APSIPA Kazuma Yamaguchi, Osamu Takyu, Tomoaki Ohtsuki, Fumihito Sasamori, Shiro Handa
2014	—	`conf`	Protocol analysis of signal detection for deriving minimum isolation distance for frequency recycling under WLAN. RWS Masayuki Goto, Osamu Takyu, Takeo Fujii, Fumihito Sasamori, Shiro Handa
2014	J	`jnl`	Resource Block Assignment to Reduce Peak to Average Power Ratio in Multi-User OFDM. IEICE Trans. Commun. Osamu Takyu, Yohtaro Umeda, Fumihito Sasamori, Shiro Handa
2014	—	`conf`	Robustness against fading fluctuation in Hermite-symmetric subcarrier coding for OFDM systems. ICTC Akira Toda, Fumihito Sasamori, Osamu Takyu, Shiro Handa
2014	B	`conf`	Secondary transmit beamformings for spectrum leasing in CRNs in the presence of eavesdropper. PIMRC Masahiro Endo, Tomoaki Ohtsuki, Takeo Fujii, Osamu Takyu
2013	J	`jnl`	Adaptive Iterative Decoding of Finite-Length Differentially Encoded LDPC Coded Systems with Multiple-Symbol Differential Detection. IEICE Trans. Commun. Yang Yu, Shiro Handa, Fumihito Sasamori, Osamu Takyu
2013	—	`conf`	Adaptive control based on theoretical analysis in RC-OFDM systems. ICTC Wataru Koike, Fumihito Sasamori, Osamu Takyu, Shiro Handa
2013	—	`conf`	Design and implementation of OFDM signal processing on PSoC microcontroller. ICTC Kohei Hayashi, Fumihito Sasamori, Osamu Takyu, Shiro Handa
2013	—	`conf`	Resource control for cognitive multi-hop network in traffic cross environment. PerCom Workshops Shuta Kako, Takeo Fujii, Osamu Takyu
2012	—	`conf`	Double stage and combining detection for cyclo-stationary feature. RWS Osamu Takyu, Hiroyoshi Yano, Takeo Fujii, Tomoaki Ohtsuki
2012	—	`conf`	Dynamic spectrum sharing for OFDMA-based multi-hop cognitive radio networks with priority. ICUFN Shuta Kako, Takeo Fujii, Osamu Takyu
2012	B	`conf`	Improved soft-output M-algorithm for differential encoded LDPC coded systems with multiple-symbol differential detection. PIMRC Yang Yu, Shiro Handa, Fumihito Sasamori, Osamu Takyu
2012	—	`conf`	Optimal subcarrier assignment for single cell multiuser OFDM system. RWS Osamu Takyu, Yohtaro Umeda
2012	—	`conf`	Power-amplifier-inserted transversal filter for application to pulse-density-modulation switching-mode transmitters. ISCIT Shota Fujioka, Michiaki Kojima, Hironori Izumi, Yohtaro Umeda, Osamu Takyu
2012	B	`conf`	Theoretical analysis of resource block assignment based on PAPR in two base station cellular system. PIMRC Osamu Takyu, Yohtaro Umeda, Fumihito Sasamori, Shiro Handa
2011	B	`conf`	A nearest transmitter classification method for VLC based positioning system. PIMRC Chinnapat Sertthin, Tomoaki Ohtsuki, Osamu Takyu, Takeo Fujii, Yohtaro Umeda
2011	J	`jnl`	An Autonomous Selective Cooperative ARQ Protocol for Hybrid Mobile Wireless Sensor Networks. J. Commun. Nandar Lynn, Osamu Takyu, Koichi Adachi, Masao Nakagawa, Tomoaki Ohtsuki
2011	B	`conf`	Fundamental study on adaptive ACK link control for downloading based on TCP connection in mobile wireless communication. PIMRC Osamu Takyu, Yohsuke Seki, Takeo Yamasaki, Takeo Fujii, Yohtaro Umeda, Xiaoqiu Wang, Satoshi Konishi
2011	—	`conf`	Low complexity cyclostationary feature detection method to compenstate cyclostationarity-degradation by guard interval insertion. CrownCom Hiroyoshi Yano, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki
2011	B	`conf`	On Physical Layer Simulation Model for 6-Axis Sensor Assisted VLC Based Positioning System. GLOBECOM Chinnapat Sertthin, Takeo Fujii, Osamu Takyu, Yohtaro Umeda, Tomoaki Ohtsuki
2011	—	`conf`	Performance for MAC Level Channel Capacity in Cognitive Radio with Carrier Sense Multiple Access and Transmitting Power Control. VTC Fall Osamu Takyu, Takahiro Saiwai, Takeo Fujii, Yohtaro Umeda
2010	J	`jnl`	Frequency Rotation for Suppressing Multipath Interference and Achieving Large Frequency Diversity in Uplink IFDMA. IEICE Trans. Commun. Osamu Takyu, Yohtaro Umeda, Masao Nakagawa
2010	J	`jnl`	Phase Rotation for Constructing Uniform Frequency Spectrum in IFDMA Communication. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. Takeo Yamasaki, Osamu Takyu, Koichi Adachi, Yohtaro Umeda, Masao Nakagawa
2009	—	`conf`	A study of cooperative communication with consideration of power loss caused by relay abortion. ISWCS Mayumi Suzuki, Osamu Takyu, Yohtaro Umeda
2009	J	`jnl`	Scattered Pilot Assisted Channel Estimation for IFDMA Uplink. IEICE Trans. Commun. Takeo Yamasaki, Osamu Takyu, Yohtaro Umeda
2008	J	`jnl`	Frequency Spectrum Rotation in Interleaved Frequency Division Multiplexing. IEICE Trans. Commun. Osamu Takyu, Masao Nakagawa
2008	B	`conf`	Frequency rotation for suppressing path interference and achieving large frequency diversity in uplink IFDMA. PIMRC Osamu Takyu, Yohtaro Umeda, Masao Nakagawa
2007	B	`conf`	Frequency Spectrum Rotation in Interleaved Frequency Division Multiplexing. GLOBECOM Osamu Takyu, Masao Nakagawa
2007	B	`conf`	IFDM for Downlink Wireless Access Scheme and Performance Comparison to MC-CDM. PIMRC Osamu Takyu, Masao Nakagawa
2007	J	`jnl`	Relay Method of Sending Soft Decision Symbol Based on the Result of Error Detecting Code in Cooperative Communication. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. Yuki Fukuyama, Osamu Takyu, Koichi Adachi, Masao Nakagawa
2006	J	`jnl`	A Sign Selection Method of Orthogonal Variable Spreading Factor Code for Peak Power Reduction in Multi-Rate OFCDM Systems. IEICE Trans. Commun. Osamu Takyu, Tomoaki Ohtsuki, Masao Nakagawa
2006	J	`jnl`	Companding System Based on Time Clustering for Reducing Peak Power of OFDM Symbol in Wireless Communications. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. Osamu Takyu, Tomoaki Ohtsuki, Masao Nakagawa
2006	J	`jnl`	Evaluation of Asymmetric TDD Systems Employing AMC and HARQ by Considering MCS Selection Errors. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. Nandar Lynn, Osamu Takyu, Riaz Esmailzadeh, Masao Nakagawa
2006	B	`conf`	IP Packet Loss Compensation Scheme with Bicast and Forwarding for Handover in Mobile Communications. PIMRC Masahiko Saito, Akihito Morimoto, Osamu Takyu, Masao Nakagawa
2006	Misc	`conf`	Relay method of sending soft decided symbol in cooperative communication. Communication Systems and Networks Yuki Fukuyama, Osamu Takyu, Koichi Adachi, Masao Nakagawa
2005	J	`jnl`	Criterion for Reducing Error Rate Degradation by Nonlinear Amplifier for Multicarrier Transmission. IEICE Trans. Commun. Osamu Takyu, Tomoaki Ohtsuki, Masao Nakagawa
2004	B	`conf`	Companding system with time clustering. PIMRC Osamu Takyu, Tomoaki Ohtsuki, Masao Nakagawa
2003	—	`conf`	Frequency offset compensation with MMSE-MUD for multi-carrier CDMA in quasi-synchronous uplink. ICC Osamu Takyu, Tomoaki Ohtsuki, Masao Nakagawa