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2020 – today
- 2024
[j40]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): 2514 (2024)- [j39]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): 2812-2823 (2024) - [j38]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): 3795-3807 (2024) - [c107]Takatoshi Obata, Osamu Takyu, Kei Inage, Takeo Fujii, Kohei Yoshida, Masayuki Ariyoshi:
Observation of the Terrestrial Radio Environment Using the Low Earth Orbit Satellite Constellation. APSIPA 2024: 1-5 - [c106]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: 297-300 - [c105]Taiga Kawaguchi, Osamu Takyu:
Shared Decision Making Using Distribution Estimation of Same Frequency Interference in 5G. ICAIIC 2024: 476-479 - [c104]Taiga Kawaguchi, Osamu Takyu, Takeo Fujii:
A Study on Estimation Method of Interference State during Frequency Sharing in 5G Cellular Systems. ICAIIC 2024: 657-662 - [c103]Aoto Kaburaki, Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii:
LBT-Based Resource Allocation Methods Utilizing Periodicity of Traffic in LPWAN. ICNC 2024: 1109-1113 - [c102]Masahiro Mizuno, Osamu Takyu:
A Study on Non-Orthogonal Multiple Access with Stored Device-to-Device Communication in Cellular Systems. ICOIN 2024: 673-677 - [c101]Yu Fujimoto, Osamu Takyu:
Characterization of Iterative PLIM for Environmental Observations and Transmission Design. ICTC 2024: 1840-1842 - [c100]Toshi Ito, Osamu Takyu, Mai Ohta, Takeo Fujii, Koichi Adachi:
Novel Environmental Recognition Scheme with Mobile Data Gathering Station in Physical Wireless Parameter Conversion Sensor Networks. VTC Fall 2024: 1-6 - [c99]Takahiro Saraya, Aoto Kaburaki, Koichi Adachi, Osamu Takyu, Takeo Fujii, Mai Ohta:
Received Signal Aided Implicit Node Clustering in LPWAN. VTC Spring 2024: 1-5 - 2023
- [j37]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: 12843-12857 (2023) - [j36]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): 669-685 (2023) - [j35]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): 1337-1349 (2023) - [j34]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): 3308 (2023) - [c98]Keita Takeda, Ryuji Miyamoto, Osamu Takyu:
Implementation of PLIM on 429MHz LoRa/FSK with improved conversion table. APSIPA ASC 2023: 1405-1409 - [c97]Yudai Koike, Osamu Takyu:
Water Level Monitoring System based on 429MHz LoRa with Packet Level Index Modulation. ICUFN 2023: 76-81 - [c96]Takatoshi Obata, Osamu Takyu:
Radio Sensor Detection of Interference to Satellite Earth Station in Frequency Spectrum Sharing. ICUFN 2023: 822-824 - [c95]Aoto Kaburaki, Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii:
Resource Allocation for Periodic Traffic in Wireless Sensor Network. WCNC 2023: 1-6 - [c94]Ryogo Oya, Shinichiro Kakuda, Takeo Fujii, Osamu Takyu, Mai Ohta, Koichi Adachi:
Packet-Level Index Modulation Under Duty Cycle Constraints. WPMC 2023: 1-6 - 2022
- [j33]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): 15089-15099 (2022) - [j32]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): 4140 (2022) - [j31]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): 703-706 (2022) - [c93]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: 55-60 - [c92]Toshi Ito, Osamu Takyu, Mai Ohta, Takeo Fujii, Koichi Adachi:
High-Sensitivity Detection Method for Signals in PhyC-SN. ICUFN 2022: 61-66 - 2021
- [j30]Koichi Adachi, Kohei Tsurumi, Aoto Kaburaki, Osamu Takyu, Mai Ohta, Takeo Fujii:
Packet-Level Index Modulation for LoRaWAN. IEEE Access 9: 12601-12610 (2021) - [j29]Aoto Kaburaki, Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii:
Autonomous Decentralized Traffic Control Using Q-Learning in LPWAN. IEEE Access 9: 93651-93661 (2021) - [j28]Riku Yamabe, Mikihiko Nishiara, Osamu Takyu, Koichi Adachi:
Achievable Rate Enhancement Based on Multi-Packet Indexing in Packet-Level Index Modulation. IEEE Access 9: 154938-154946 (2021) - [j27]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. 104-A(1): 243-252 (2021) - [j26]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. 104-B(10): 1217-1226 (2021) - [j25]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. 104-B(10): 1249-1259 (2021) - [c91]Osamu Takyu, Ryota Sugimoto:
Highly Efficient Data Gathering with Tendency Prediction based on Position Information of Event in Wireless Sensor Networks. APSIPA ASC 2021: 1969-1974 - [c90]Kohei Natsume, Mai Ohta, Koichi Adachi, Osamu Takyu, Takeo Fujii:
DCT Compression Scheme for Wireless Sensor Information considering Spatial Correlation. ICOIN 2021: 192-196 - [c89]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: 371-376 - [c88]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: 377-382 - [c87]Gaku Kobayashi, Osamu Takyu, Koichi Adachi, Mai Ohta, Takeo Fujii:
Proposal of interference power occupancy estimation method using chirp demodulation. ICUFN 2021: 187-191 - [c86]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: 242-246 - [c85]Riku Yamabe, Mikihiko Nishiara, Osamu Takyu:
Channel Capacity for a Model of Packet Level Index Modulation in LPWA Networks. ICUFN 2021: 339-344 - [c84]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: 1-7 - [c83]Muying Chen, Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii:
Transmission Timing Control Using ACK Signal in LoRaWAN. WCNC 2021: 1-6 - 2020
- [c82]Aoto Kaburaki, Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii:
Autonomous Decentralized Transmission Timing Control in Wireless Sensor Network. APSIPA 2020: 1460-1465 - [c81]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: 1497-1501 - [c80]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: 1513-1518 - [c79]Kohei Natsume, Mai Ohta, Osamu Takyu, Takeo Fujii:
Data Fusion Method Exploiting Data Correlation for Physical Wireless Parameter Conversion Sensor Networks. ICOIN 2020: 390-395 - [c78]Toshiki Nonaka, Takeo Fujii, Osamu Takyu, Mai Ohta:
Adapting the number of replicas in the E-IRSA system using the power control. ICOIN 2020: 787-792 - [c77]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: 441-445 - [c76]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: 720-724 - [c75]Kenichiro Yamamoto, Osamu Takyu, Keiichiro Shirai, Yasushi Fuwa:
Spatial Compression of Sensing Information for Exploiting the Vacant Frequency Resource using Radio Sensors. ICTC 2020: 762-767
2010 – 2019
- 2019
- [j24]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: 44645-44658 (2019) - [j23]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: 152126-152137 (2019) - [j22]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): 767 (2019) - [c74]Ryota Sugimoto, Osamu Takyu:
Access Decision based on Secure Capacity for prevention to CSI Impersonation of Untrusted Relay. APSIPA 2019: 1459-1462 - [c73]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: 1463-1467 - [c72]Toshiki Nonaka, Takeo Fujii, Osamu Takyu, Mai Ohta:
Network MIMO with Interference Cancellation for Cloud-Cooperated Wireless Sensor Networks. ICOIN 2019: 210-215 - [c71]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: 417-420 - [c70]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: 421-423 - [c69]Yudai Yamazaki, Takeo Fujii, Osamu Takyu, Mai Ohta, Koichi Adachi:
Spectrum Sharing Exploiting Spectrum Database for LPWA. ICUFN 2019: 60-65 - [c68]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: 72-75 - [c67]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: 121-125 - [c66]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: 1-4 - 2018
- [j21]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. 101-B(7): 1589-1601 (2018) - [j20]Mas Haslinda Mohamad, Aduwati Sali, Fazirulhisyam Hashim, Rosdiadee Nordin, Osamu Takyu:
Clustering Transmission Opportunity Length (CTOL) Model over Cognitive Radio Network. Sensors 18(12): 4351 (2018) - [c65]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: 165-170 - [c64]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: 171-176 - [c63]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: 785-789 - [c62]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: 229-234 - [c61]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: 771-775 - [c60]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: 787-790 - [c59]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: 109-112 - [c58]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: 203-205 - [c57]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: 1-5 - [c56]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: 1-6 - [c55]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: 12-14 - 2017
- [j19]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. 100-B(7): 1105-1114 (2017) - [j18]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) - [c54]Toshiyuki Shizuoka, Osamu Takyu, Mai Ohta, Takeo Fujii:
Multiband hierarchical ad hoc network with wireless environment recognition. APSIPA 2017: 1464-1469 - [c53]Shunsuke Imai, Osamu Takyu, Fumihito Sasamori, Shiro Handa:
A study of monitoring system for radio leak with massive radio sensors. APSIPA 2017: 1806-1810 - [c52]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: 92-96 - [c51]Mai Ohta, Makoto Taromaru, Takeo Fujii, Osamu Takyu:
Spectrum edge decision method for energy detection with FFT. ICOIN 2017: 271-276 - [c50]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: 303-308 - [c49]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: 226-228 - [c48]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: 255-260 - [c47]Mai Ohta, Osamu Takyu, Takeo Fujii, Makoto Taromaru:
Robust channel selection method under home electronics-derived electromagnetic wave interference. ICUFN 2017: 967-969 - [c46]Masahiro Endo, Tomoaki Ohtsuki, Takeo Fujii, Osamu Takyu:
Secure Channel Selection Using Multi-Armed Bandit Algorithm in Cognitive Radio Network. VTC Spring 2017: 1-5 - [c45]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: 1-5 - [c44]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: 1-6 - [c43]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: 1-6 - 2016
- [c42]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: 1-4 - [c41]Takeo Fujii, Shunsuke Takegi, Taiki Nakayama, Mai Ohta, Osamu Takyu:
Highly efficient environment aware wireless sensor network. CCNC 2016: 256-257 - [c40]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: 230-233 - [c39]Mai Ohta, Osamu Takyu, Takeo Fujii, Makoto Taromaru:
Novel two-stage spectrum sensing for energy detection with FFT. WCNC 2016: 1-5 - [c38]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: 1-4 - [c37]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: 1-5 - [c36]Mai Ohta, Osamu Takyu, Takeo Fujii, Makoto Taromaru:
Novel two-stage spectrum sensing for energy detection with FFT. WCNC Workshops 2016: 346-350 - [c35]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: 351-354 - 2015
- [j17]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. 98-B(1): 88-98 (2015) - [j16]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. 98-B(2): 360-369 (2015) - [j15]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. 98-A(2): 569-577 (2015) - [j14]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: 946760:1-946760:10 (2015) - [c34]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: 834-839 - [c33]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: 430-434 - [c32]Takumi Kimura, Osamu Takyu, Fumihito Sasamori, Shiro Handa:
Unifying of frequency channel for spectrum sharing in wireless sensor networks with star topology. ICTC 2015: 438-441 - [c31]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: 123-125 - 2014
- [j13]Osamu Takyu, Yohtaro Umeda, Fumihito Sasamori, Shiro Handa:
Resource Block Assignment to Reduce Peak to Average Power Ratio in Multi-User OFDM. IEICE Trans. Commun. 97-B(8): 1689-1700 (2014) - [j12]Shuta Kako, Takeo Fujii, Osamu Takyu:
Dynamic Spectrum Sharing for OFDMA-Based Multi-hop Cognitive Radio Networks with Priority. Wirel. Pers. Commun. 74(3): 1081-1097 (2014) - [c30]Kazuma Yamaguchi, Osamu Takyu, Tomoaki Ohtsuki, Fumihito Sasamori, Shiro Handa:
Physical layer network coding with multiple untrusted relays for physical layer security. APSIPA 2014: 1-5 - [c29]Osamu Takyu, Takayuki Yamakita, Takeo Fujii, Fumihito Sasamori, Shiro Handa:
Learning assisted rendezvous channel in cognitive radio system. ICCS 2014: 452-456 - [c28]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: 34-38 - [c27]Shigeru Sasano, Fumihito Sasamori, Osamu Takyu, Shiro Handa:
Performance evaluation of acoustic OFDM with repetition coding. ICTC 2014: 798-799 - [c26]Akira Toda, Fumihito Sasamori, Osamu Takyu, Shiro Handa:
Robustness against fading fluctuation in Hermite-symmetric subcarrier coding for OFDM systems. ICTC 2014: 834-835 - [c25]Masahiro Endo, Tomoaki Ohtsuki, Takeo Fujii, Osamu Takyu:
Secondary transmit beamformings for spectrum leasing in CRNs in the presence of eavesdropper. PIMRC 2014: 758-762 - [c24]Ryo Myoenzono, Osamu Takyu, Fumihito Sasamori, Shiro Handa:
Effect of PAPR reduction to BS cooperation MIMO systems under multi-cell environment. RWS 2014: 127-129 - [c23]Masayuki Goto, Osamu Takyu, Takeo Fujii, Fumihito Sasamori, Shiro Handa:
Protocol analysis of signal detection for deriving minimum isolation distance for frequency recycling under WLAN. RWS 2014: 262-264 - 2013
- [j11]Yang Yu, Shiro Handa, Fumihito Sasamori, Osamu Takyu:
Adaptive Iterative Decoding of Finite-Length Differentially Encoded LDPC Coded Systems with Multiple-Symbol Differential Detection. IEICE Trans. Commun. 96-B(3): 847-858 (2013) - [c22]Kohei Hayashi, Fumihito Sasamori, Osamu Takyu, Shiro Handa:
Design and implementation of OFDM signal processing on PSoC microcontroller. ICTC 2013: 391-392 - [c21]Wataru Koike, Fumihito Sasamori, Osamu Takyu, Shiro Handa:
Adaptive control based on theoretical analysis in RC-OFDM systems. ICTC 2013: 581-582 - [c20]Shuta Kako, Takeo Fujii, Osamu Takyu:
Resource control for cognitive multi-hop network in traffic cross environment. PerCom Workshops 2013: 435-440 - 2012
- [c19]Shuta Kako, Takeo Fujii, Osamu Takyu:
Dynamic spectrum sharing for OFDMA-based multi-hop cognitive radio networks with priority. ICUFN 2012: 236-241 - [c18]Shota Fujioka, Michiaki Kojima, Hironori Izumi, Yohtaro Umeda, Osamu Takyu:
Power-amplifier-inserted transversal filter for application to pulse-density-modulation switching-mode transmitters. ISCIT 2012: 239-244 - [c17]Osamu Takyu, Yohtaro Umeda, Fumihito Sasamori, Shiro Handa:
Theoretical analysis of resource block assignment based on PAPR in two base station cellular system. PIMRC 2012: 155-160 - [c16]Yang Yu, Shiro Handa, Fumihito Sasamori, Osamu Takyu:
Improved soft-output M-algorithm for differential encoded LDPC coded systems with multiple-symbol differential detection. PIMRC 2012: 1985-1991 - [c15]Osamu Takyu, Yohtaro Umeda:
Optimal subcarrier assignment for single cell multiuser OFDM system. RWS 2012: 335-338 - [c14]Osamu Takyu, Hiroyoshi Yano, Takeo Fujii, Tomoaki Ohtsuki:
Double stage and combining detection for cyclo-stationary feature. RWS 2012: 371-374 - 2011
- [j10]Nandar Lynn, Osamu Takyu, Koichi Adachi, Masao Nakagawa, Tomoaki Ohtsuki:
An Autonomous Selective Cooperative ARQ Protocol for Hybrid Mobile Wireless Sensor Networks. J. Commun. 6(2): 157-167 (2011) - [c13]Hiroyoshi Yano, Osamu Takyu, Takeo Fujii, Tomoaki Ohtsuki:
Low complexity cyclostationary feature detection method to compenstate cyclostationarity-degradation by guard interval insertion. CrownCom 2011: 51-55 - [c12]Chinnapat Sertthin, Takeo Fujii, Osamu Takyu, Yohtaro Umeda, Tomoaki Ohtsuki:
On Physical Layer Simulation Model for 6-Axis Sensor Assisted VLC Based Positioning System. GLOBECOM 2011: 1-5 - [c11]Chinnapat Sertthin, Tomoaki Ohtsuki, Osamu Takyu, Takeo Fujii, Yohtaro Umeda:
A nearest transmitter classification method for VLC based positioning system. PIMRC 2011: 1259-1263 - [c10]Osamu Takyu, Yohsuke Seki, Takeo Yamasaki, Takeo Fujii, Yohtaro Umeda, Xiaoqiu Wang, Satoshi Konishi:
Fundamental study on adaptive ACK link control for downloading based on TCP connection in mobile wireless communication. PIMRC 2011: 2364-2368 - [c9]Osamu Takyu, Takahiro Saiwai, Takeo Fujii, Yohtaro Umeda:
Performance for MAC Level Channel Capacity in Cognitive Radio with Carrier Sense Multiple Access and Transmitting Power Control. VTC Fall 2011: 1-5 - 2010
- [j9]Osamu Takyu, Yohtaro Umeda, Masao Nakagawa:
Frequency Rotation for Suppressing Multipath Interference and Achieving Large Frequency Diversity in Uplink IFDMA. IEICE Trans. Commun. 93-B(5): 1284-1288 (2010) - [j8]Takeo Yamasaki, Osamu Takyu, Koichi Adachi, Yohtaro Umeda, Masao Nakagawa:
Phase Rotation for Constructing Uniform Frequency Spectrum in IFDMA Communication. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 93-A(12): 2672-2681 (2010)
2000 – 2009
- 2009
- [j7]Takeo Yamasaki, Osamu Takyu, Yohtaro Umeda:
Scattered Pilot Assisted Channel Estimation for IFDMA Uplink. IEICE Trans. Commun. 92-B(12): 3803-3814 (2009) - [c8]Mayumi Suzuki, Osamu Takyu, Yohtaro Umeda:
A study of cooperative communication with consideration of power loss caused by relay abortion. ISWCS 2009: 531-535 - 2008
- [j6]Osamu Takyu, Masao Nakagawa:
Frequency Spectrum Rotation in Interleaved Frequency Division Multiplexing. IEICE Trans. Commun. 91-B(7): 2357-2365 (2008) - [c7]Osamu Takyu, Yohtaro Umeda, Masao Nakagawa:
Frequency rotation for suppressing path interference and achieving large frequency diversity in uplink IFDMA. PIMRC 2008: 1-5 - 2007
- [j5]Yuki Fukuyama, Osamu Takyu, Koichi Adachi, Masao Nakagawa:
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. 90-A(11): 2404-2412 (2007) - [c6]Osamu Takyu, Masao Nakagawa:
Frequency Spectrum Rotation in Interleaved Frequency Division Multiplexing. GLOBECOM 2007: 4543-4547 - [c5]Osamu Takyu, Masao Nakagawa:
IFDM for Downlink Wireless Access Scheme and Performance Comparison to MC-CDM. PIMRC 2007: 1-5 - 2006
- [j4]Osamu Takyu, Tomoaki Ohtsuki, Masao Nakagawa:
A Sign Selection Method of Orthogonal Variable Spreading Factor Code for Peak Power Reduction in Multi-Rate OFCDM Systems. IEICE Trans. Commun. 89-B(4): 1333-1345 (2006) - [j3]Osamu Takyu, Tomoaki Ohtsuki, Masao Nakagawa:
Companding System Based on Time Clustering for Reducing Peak Power of OFDM Symbol in Wireless Communications. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 89-A(7): 1884-1891 (2006) - [j2]Nandar Lynn, Osamu Takyu, Riaz Esmailzadeh, Masao Nakagawa:
Evaluation of Asymmetric TDD Systems Employing AMC and HARQ by Considering MCS Selection Errors. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 89-A(11): 3138-3147 (2006) - [c4]Yuki Fukuyama, Osamu Takyu, Koichi Adachi, Masao Nakagawa:
Relay method of sending soft decided symbol in cooperative communication. Communication Systems and Networks 2006: 132-137 - [c3]Masahiko Saito, Akihito Morimoto, Osamu Takyu, Masao Nakagawa:
IP Packet Loss Compensation Scheme with Bicast and Forwarding for Handover in Mobile Communications. PIMRC 2006: 1-5 - 2005
- [j1]Osamu Takyu, Tomoaki Ohtsuki, Masao Nakagawa:
Criterion for Reducing Error Rate Degradation by Nonlinear Amplifier for Multicarrier Transmission. IEICE Trans. Commun. 88-B(7): 3057-3061 (2005) - 2004
- [c2]Osamu Takyu, Tomoaki Ohtsuki, Masao Nakagawa:
Companding system with time clustering. PIMRC 2004: 1075-1079 - 2003
- [c1]Osamu Takyu, Tomoaki Ohtsuki, Masao Nakagawa:
Frequency offset compensation with MMSE-MUD for multi-carrier CDMA in quasi-synchronous uplink. ICC 2003: 2485-2489
Coauthor Index
[j40] [j39] [j38] [c107] [c106] [c104] [c103] [c100] [c99] [j37] [j35] [j34] [c95] [c94] [j33] [j32] [j31] [c93] [c92] [j30] [j29] [j27] [j25] [c90] [c87] [c84] [c83] [c82] [c81] [c80] [c79] [c78] [j24] [j23] [j22] [c73] [c72] [c71] [c70] [c69] [c68] [c67] [c66] [j21] [c65] [c64] [c62] [c61] [c60] [c59] [c58] [c57] [c56] [c55] [j19] [j18] [c54] [c52] [c51] [c50] [c48] [c47] [c46] [c45] [c44] [c43] [c42] [c41] [c40] [c39] [c38] [c37] [c36] [c35] [j16] [j15] [j14] [c33] [c31] [j12] [c29] [c28] [c25] [c23] [c20] [c19] [c14] [c13] [c12] [c11] [c10] [c9]
[j40] [j39] [j38] [c106] [c103] [c100] [c99] [j37] [j35] [j34] [c95] [c94] [j33] [j32] [j31] [c93] [c92] [j30] [j29] [j27] [c90] [c87] [c84] [c83] [c82] [c81] [c80] [c79] [c78] [j24] [j23] [j22] [c73] [c72] [c70] [c69] [c68] [c66] [j21] [c65] [c64] [c62] [c60] [c57] [c56] [c55] [j19] [j18] [c54] [c52] [c51] [c50] [c48] [c47] [c45] [c44] [c43] [c42] [c41] [c40] [c39] [c38] [c36] [c35] [j16] [j14] [c33] [c28]
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