Papers - Adachi, Koichi
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Image-Driven Spatial Interpolation with Deep Learning for Radio Map Construction,
K. Suto, S. Bannai, K. Sato, K. Inage, K. Adachi, T. Fujii
IEEE Wireless Commun. Lett. (Institute of Electrical and Electronics Engineers ({IEEE})) 10 ( 6 ) 1222 - 1226 2021.06
Research paper (scientific journal), Accepted
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Transmission Timing Control Using ACK Signal in LoRaWAN
M. Chen, K. Adachi, O. Takyu, M. Ohta, T. Fujii
IEEE Wireless Communications and Networking Conference (WCNC'21) 1 - 6 2021.04
Research paper (international conference proceedings), Accepted
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Array Antenna Equipped UAV-BS for Efficient Low Power WSN and Its Theoretical Analysis
Hendrik Lumbantoruan, Koichi Adachi
IET Commun. (Institution of Engineering and Technology ({IET})) 15 ( 16 ) 1 - 14 2021.04
Research paper (scientific journal), Accepted
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DCT Compression Scheme for Wireless Sensor Information Considering Spatial Correlation
K. Natsume, M. Ohta, K. Adachi, O. Takyu, T. Fujii
Int. Conf. on Information Netw. (ICOIN 2021) 1 - 6 2021.01
Research paper (international conference proceedings), Accepted
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Space-Frequency-Interpolated Radio Map
K. Sato, K. Suto, K. Inage, K. Adachi, T. Fujii
IEEE Trans. Veh. Technol. (Institute of Electrical and Electronics Engineers ({IEEE})) 70 ( 1 ) 714 - 725 2021.01
Research paper (international conference proceedings), Accepted
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Packet-Level Index Modulation for LoRaWAN
K. Adachi, K. Tsurumi, A. Kaburaki, O. Takyu, M. Ohta, T. Fujii
IEEE Access (Institute of Electrical and Electronics Engineers ({IEEE})) 9 12601 - 12610 2021.01
Research paper (scientific journal), Accepted
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Generalized Interference Detection Scheme in Heterogeneous Low Power Wide Area Networks
Naoki Aihara, Koichi Adachi, Mai Ohta, Osamu Takyu, and Takeo Fujii
IEEE Sensors Lett. (Institute of Electrical and Electronics Engineers ({IEEE})) 4 ( 6 ) 1 - 4 2020.05
Research paper (scientific journal), Joint Work, Accepted
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Q-Learning Aided Resource Allocation and Environment Recognition in LoRaWAN With CSMA/CA
Naoki Aihara, Koichi Adachi, Osamu Takyu, Mai Ohta, and Takeo Fujii
IEEE Access (Institute of Electrical and Electronics Engineers ({IEEE})) 7 152126 - 152137 2019.10
Research paper (scientific journal), Joint Work, Accepted
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Radio and Computing Resource Allocation for Minimizing Total Processing Completion Time in Mobile Edge Computing
Ryuji Kobayashi and Koichi Adachi
IEEE Access (Institute of Electrical and Electronics Engineers ({IEEE})) 7 141119 - 141132 2019.09
Research paper (scientific journal), Joint Work, Accepted
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Network coding based payload concatenation for relay-assisted V2V communications
Le Tien Trien, Koichi Adachi, Yasushi Yamao
IEICE Communications Express 7 ( 4 ) 148 - 153 2018.04
Research paper (scientific journal), Joint Work, Accepted
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Packet relay-assisted V2V communication with sectorised relay station employing payload combining scheme
Le Tien Trien, Koichi Adachi, Yasushi Yamao
IET Commun. 12 ( 4 ) 458 - 465 2018.02
Research paper (scientific journal), Joint Work, Accepted
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Efficient CSMA/CA Packet Relay-Assisted Scheme with Payload Combining for ITS V2V Communication
Le Tien Trien, Koichi Adachi, Yasushi Yamao
J. of Information Processing 26 11 - 19 2018.01
Research paper (scientific journal), Joint Work, Accepted
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A Distributed Resource Reservation Scheme for Handover Failure Reduction
Koichi Adachi, Jingon Joung, Yuan Zhou, and Sumei Sun
IEEE Wireless Commun. Lett. (Institute of Electrical and Electronics Engineers ({IEEE})) 4 ( 5 ) 537 - 540 2015.07
Research paper (scientific journal), Joint Work, Accepted
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A Survey on Power-Amplifier-Centric Techniques for Spectrum- and Energy-Efficient Wireless Communications
Jingon Joung, Chin Keong Ho, Koichi Adachi, and Sumei Sun
IEEE Commun. Surveys & Tut. (Institute of Electrical and Electronics Engineers ({IEEE})) 17 ( 1 ) 315 - 333 2014.08
Research paper (scientific journal), Joint Work, Accepted
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Adaptive Coordinated Napping (CoNap) for Energy Saving in Wireless Networks
Koichi Adachi, Jingon Joung, Sumei Sun, and Peng Hui Tan
IEEE Transactions on Wireless Communications (Institute of Electrical and Electronics Engineers ({IEEE})) 12 ( 11 ) 5656 - 5667 2013.10
Research paper (scientific journal), Joint Work, Accepted
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Recursive QR packet combining for uplink single-carrier multi-user MIMO HARQ using near ML detection
Tetsuya Yamamoto, Koichi Adachi, Sumei Sun, and Fumiyuki Adachi
Wireless Commun. & Mobile Computing 12 ( 18 ) 1652 - 1663 2012.10
Research paper (scientific journal), Joint Work, Accepted
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Joint Cooperative-Transmit and Receive FDE for Single-Carrier Incremental Relaying
Koichi Adachi, Kazuki Takeda, Sumei Sun, and Fumiyuki Adachi
IEEE Trans. Veh. Technol. (Institute of Electrical and Electronics Engineers ({IEEE})) 62 ( 1 ) 1 - 13 2012.09
Research paper (scientific journal), Joint Work, Accepted
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Power Minimization of Cooperative Relay Transmission with Relay's Private Information
Koichi Adachi, Sumei Sun, and Chin Keong Ho
IEEE Transactions on Wireless Communications (Institute of Electrical and Electronics Engineers ({IEEE})) 11 ( 7 ) 2520 - 2530 2012.05
Research paper (scientific journal), Joint Work, Accepted
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Subcarrier Mapping for Single-User SC-FDMA Relay Communications
Yu Hemmi, Koichi Adachi, and Tomoaki Ohtsuki
IEICE Trans. Fundamentals E94-A ( 12 ) 2776 - 2779 2011.12
Research paper (scientific journal), Joint Work, Accepted
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An Autonomous Selective Cooperative ARQ Protocol for Hybrid Mobile Wireless Sensor Networks
NandarLynn, Osamu Takyu, Koichi Adachi, Tomoaki Ohtsuki, and Masao Nakagawa
J. of Commun. 6 ( 2 ) 157 - 167 2011.01
Research paper (scientific journal), Joint Work, Accepted