Mai Ohta

Publication Activity (10 Years)

Years Active: 2009-2024
Publications (10 Years): 70

Top Topics

Traffic Control

Sensor Networks

Cognitive Radio

Resource Allocation

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)
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)
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)
Hitoshi Yamasaki, Hiroki Matsuura, Mai Ohta, Makoto Taromaru
Frame Design for Differential Packet-Level Index Modulation implemented by LoRaWAN. ICUFN (2023)
Takashi Imanaka, Mai Ohta, Makoto Taromaru
Channel Access Control Instead of Random Backoff Algorithm. ICAIIC (2023)
Ryogo Oya, Shinichiro Kakuda, Takeo Fujii, Osamu Takyu, Mai Ohta, Koichi Adachi
Packet-Level Index Modulation Under Duty Cycle Constraints. WPMC (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)
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)
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)
Mai Ohta, Takeo Fujii
Differential Packet Level Index Modulation for Low Power Wide Area System. ICUFN (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)
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)
Aoto Kaburaki, Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii
Autonomous Decentralized Traffic Control Using Q-Learning in LPWAN. IEEE Access 9 (2021)
Mai Ohta, Takeo Fujii
Intra-System Interference Avoidance for Packet-Level Index Modulation in Internet of Things. APSIPA ASC (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)
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)
Aoto Kaburaki, Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii
Autonomous Decentralized Transmission Timing Control in Wireless Sensor Network. APSIPA (2020)
Mai Ohta, Masaki Amano, Makoto Taromaru
Spectrum Sharing for Internet of Things System in Periodic Transmission. 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)
Masaki Amano, Mai Ohta, Makoto Taromaru
Transmission Timing Adjustment Algorithm in IoT System Equipped with Low-cost Oscillator with Low Frequency Stability. ICAIIC (2020)
Kohei Natsume, Mai Ohta, Osamu Takyu, Takeo Fujii
Data Fusion Method Exploiting Data Correlation for Physical Wireless Parameter Conversion Sensor Networks. ICOIN (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)
Masaki Amano, Mai Ohta, Makoto Taromaru
Transmission Timing Control Method for IoT Devices Equipped with Poor Oscillator. ICUFN (2019)
Yudai Yamazaki, Takeo Fujii, Osamu Takyu, Mai Ohta, Koichi Adachi
Spectrum Sharing Exploiting Spectrum Database for LPWA. ICUFN (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)
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)
Haruki Fujita, Mai Ohta
A Study on Radio Signal Identification Method for Spectrum Sharing. APSIPA (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)
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)
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)
Mai Ohta, Makoto Taromaru, Takeo Fujii, Osamu Takyu
Spectrum edge decision method for energy detection with FFT. ICOIN (2017)
Toshiyuki Shizuoka, Osamu Takyu, Mai Ohta, Takeo Fujii
Multiband hierarchical ad hoc network with wireless environment recognition. APSIPA (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)
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)
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)
Ryota Nakanishi, Mai Ohta, Makoto Taromaru
Spectrum sensing and channel utilization prediction by Nth-order markov chain model. WCNC Workshops (2015)
Kensaku Tamayama, Mai Ohta, Makoto Taromaru
Signal bandwidth estimation with energy detector based on windowed FFT for cognitive radio system. ICTC (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)
Ryo Myoenzono, Osamu Takyu, Keiichiro Shirai, Takeo Fujii, Mai Ohta, Fumihito Sasamori, Sliiro Handa
Data tracking and effect of frequency offset to simultaneous collecting method for wireless sensor networks. ICTC (2014)
Mai Ohta, Takamasa Kimura, Hasan Rajib Imam, Sean Rocke, Jingkai Su, Alexander M. Wyglinski, Takeo Fujii
Channel Selection Statistics for Control Information Sharing within Cognitive Radio Networks. VTC Fall (2012)
Mai Ohta, Takeo Fujii, Kazushi Muraoka, Masayuki Ariyoshi
Cooperative Sensing with Distributed Pre-Detection for Gathering Sensing Information on Shared Primary Spectrum. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (11) (2012)
Onur Altintas, Mitsuhiro Nishibori, Takuro Oshida, Chikara Yoshimura, Youhei Fujii, Kota Nishida, Yutaka Ihara, Masahiro Saito, Kazuya Tsukamoto, Masato Tsuru, Yuji Oie, Rama Vuyyuru, AbdulRahman Al-Abbasi, Masaaki Ohtake, Mai Ohta, Takeo Fujii, Si Chen, Srikanth Pagadarai, Alexander M. Wyglinski
Demonstration of Vehicle to Vehicle Communications over TV White Space. VTC Fall (2011)
Mai Ohta, Takeo Fujii, Kazushi Muraoka, Masayuki Ariyoshi
A novel power controlled sensing information gathering for cooperative sensing on shared spectrum with primary spectrum. CrownCom (2011)
Hung Vu Le, Mai Ohta, Kei Inage, Takeo Fujii, Kazushi Muraoka, Masayuki Ariyoshi
Outlier detection methods of low SNR nodes for cooperative spectrum sensing. ISWCS (2010)
Mai Ohta, Takeo Fujii, Kazushi Muraoka, Masayuki Ariyoshi
A cooperative sensing area expansion using orthogonal frequency based information collection method. CrownCom (2009)
Mai Ohta, Takeo Fujii, Kazushi Muraoka, Masayuki Ariyoshi
A Novel Method for Information Gathering by Using Orthogonal Narrowband Signal for Cooperative Sensing in Cognitive Radio. IEICE Trans. Commun. (12) (2009)