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Koichi Adachi
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Publications
- 2024
- [j37]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) - [j36]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) - [c54]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 - 2023
- [j35]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) - [j34]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) - [j32]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) - [c52]Aoto Kaburaki, Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii:
Resource Allocation for Periodic Traffic in Wireless Sensor Network. WCNC 2023: 1-6 - [c51]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
- [j31]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) - [j29]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) - [j28]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) - [c50]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 - [c49]Toshi Ito, Osamu Takyu, Mai Ohta, Takeo Fujii, Koichi Adachi:
High-Sensitivity Detection Method for Signals in PhyC-SN. ICUFN 2022: 61-66 - 2021
- [j27]Koichi Adachi, Kohei Tsurumi, Aoto Kaburaki, Osamu Takyu, Mai Ohta, Takeo Fujii:
Packet-Level Index Modulation for LoRaWAN. IEEE Access 9: 12601-12610 (2021) - [j26]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) - [j23]Koya Sato, Katsuya Suto, Kei Inage, Koichi Adachi, Takeo Fujii:
Space-Frequency-Interpolated Radio Map. IEEE Trans. Veh. Technol. 70(1): 714-725 (2021) - [j22]Katsuya Suto, Shinsuke Bannai, Koya Sato, Kei Inage, Koichi Adachi, Takeo Fujii:
Image-Driven Spatial Interpolation With Deep Learning for Radio Map Construction. IEEE Wirel. Commun. Lett. 10(6): 1222-1226 (2021) - [c47]Kohei Natsume, Mai Ohta, Koichi Adachi, Osamu Takyu, Takeo Fujii:
DCT Compression Scheme for Wireless Sensor Information considering Spatial Correlation. ICOIN 2021: 192-196 - [c46]Gaku Kobayashi, Osamu Takyu, Koichi Adachi, Mai Ohta, Takeo Fujii:
Proposal of interference power occupancy estimation method using chirp demodulation. ICUFN 2021: 187-191 - [c45]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 - [c44]Muying Chen, Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii:
Transmission Timing Control Using ACK Signal in LoRaWAN. WCNC 2021: 1-6 - 2020
- [c43]Aoto Kaburaki, Koichi Adachi, Osamu Takyu, Mai Ohta, Takeo Fujii:
Autonomous Decentralized Transmission Timing Control in Wireless Sensor Network. APSIPA 2020: 1460-1465 - [c41]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 - 2019
- [j20]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) - [c34]Miho Tanaka, Kenichi Nagasue, Jun Ogawa, Akira Yokomichi, Yoshihiro Ando, Takayuki Ojima, Toshiyuki Shizuoka, Koichi Adachi, Takeo Fujii:
Proactive Cache System Using Cellular-Radio Information on MEC. ICUFN 2019: 27-32 - [c33]Yudai Yamazaki, Takeo Fujii, Osamu Takyu, Mai Ohta, Koichi Adachi:
Spectrum Sharing Exploiting Spectrum Database for LPWA. ICUFN 2019: 60-65 - 2018
- [c32]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 - [c29]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
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last updated on 2024-04-25 01:40 CEST by the dblp team
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