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Koichi Adachi
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2020 – today
- 2024
- [j39]Osamu Takyu
, Keita Takeda, Ryuji Miyamoto, Koichi Adachi
An Environment-Aware Adaptive Data-Gathering Method for Packet-Level Index Modulation in LPWA. Sensors 24(8): 2514 (2024) - [j38]Jingon Joung
Differential Space-Time Line Codes. IEEE Trans. Veh. Technol. 73(10): 15837-15842 (2024) - [j37]Kosuke Suzuki
Packet-Level Index Modulation Based on Channel Activity Detection. IEEE Trans. Wirel. Commun. 23(4): 2812-2823 (2024) - [j36]Aoto Kaburaki
Adaptive Resource Allocation Utilizing Periodic Traffic and Clock Drift in LPWAN. IEEE Trans. Wirel. Commun. 23(4): 3795-3807 (2024) - [c59]Kotaro Yoshikawa, Takumi Tanagi, Koichi Adachi:
Radio Resource Allocation Scheme Considering Future Channel Conditions Based on Radio Environment Map. APWCS 2024: 1-5 - [c58]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 - [c57]Hiroto Shida, Aoto Kaburaki, Koichi Adachi:
Energy-Efficient Multi-Hop LoRaWAN with Transmission and Synchronization Control. ICNC 2024: 1104-1108 - [c56]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 - [c55]Hayato Mukasa, Koshiro Aruga, Takeo Fujii, Koichi Adachi:
Indoor Wireless Environment Visualization for Smart Factories. ICOIN 2024: 74-77 - [c54]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
- [j35]Masafumi Oda
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) - [j33]Ryota Kumada
Interference Cancelation for Coexistence of LoRaWAN With Wireless Power Transfer. IEEE Internet Things J. 10(15): 13109-13122 (2023) - [j32]Toshi Ito, Masafumi Oda, Osamu Takyu
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) - [c53]Takumi Tanagi, Koichi Adachi:
Dynamic Path Planning for QoS Improvement in Multiple Automated Guided Vehicles. APWCS 2023: 1-5 - [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
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) - [j30]Jiaqi Zou, Rui Liu, Chenwei Wang, Yuanhao Cui, Zixuan Zou, Songlin Sun, Koichi Adachi:
Aiming in Harsh Environments: A New Framework for Flexible and Adaptive Resource Management. IEEE Netw. 36(4): 70-77 (2022) - [j29]Osamu Takyu
Estimation Based on Chirp Modulation for Desired and Interference Power and Channel Occupancy Ratio in LoRa. Sensors 22(11): 4140 (2022) - [j28]Kosuke Suzuki
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 - [i1]Jiaqi Zou, Rui Liu, Chenwei Wang, Yuanhao Cui, Zixuan Zou, Songlin Sun, Koichi Adachi:
Aiming in Harsh Environments: A New Framework for Flexible and Adaptive Resource Management. CoRR abs/2208.02501 (2022) - 2021
- [j27]Koichi Adachi
Packet-Level Index Modulation for LoRaWAN. IEEE Access 9: 12601-12610 (2021) - [j26]Aoto Kaburaki
Autonomous Decentralized Traffic Control Using Q-Learning in LPWAN. IEEE Access 9: 93651-93661 (2021) - [j25]Riku Yamabe, Mikihiko Nishiara
Achievable Rate Enhancement Based on Multi-Packet Indexing in Packet-Level Index Modulation. IEEE Access 9: 154938-154946 (2021) - [j24]Hendrik Lumbantoruan
Array antenna equipped UAV-BS for efficient low power WSN and its theoretical analysis. IET Commun. 15(16): 2054-2067 (2021) - [j23]Koya Sato
Space-Frequency-Interpolated Radio Map. IEEE Trans. Veh. Technol. 70(1): 714-725 (2021) - [j22]Katsuya Suto
Image-Driven Spatial Interpolation With Deep Learning for Radio Map Construction. IEEE Wirel. Commun. Lett. 10(6): 1222-1226 (2021) - [c48]Naotaka Hirayama, Takuya Kobayashi, Koichi Adachi:
Offloading Selection with Unequal Timeslot in Mobile Edge Computing. APSIPA ASC 2021: 1963-1968 - [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 - [c42]Takuya Kobayashi, Koichi Adachi:
Probabilistic Binary Offloading for Wireless Powered Mobile Edge Computing System. APSIPA 2020: 1502-1506 - [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 - [c40]Miho Musashi, Koichi Adachi:
Spectrum Database Aided Prior Vacant Frequency Band Detection for Spectrum Sharing. ICAIIC 2020: 262-266 - [c39]Kazunari Takahashi, Koichi Adachi:
Base Station Operation Based on Affinity Propagation in Cellular Networks. ICOIN 2020: 324-329 - [c38]Hendrik Lumbantoruan, Koichi Adachi:
Trajectory and Communication Protocol for Efficient Data Collecting in UAV-Enabled WSN. ICOIN 2020: 348-353 - [c37]Kosuke Suzuki
Autonomous Decentralized Frequency Resource Allocation using ACK Signal in LoRaWAN. WPMC 2020: 1-6
2010 – 2019
- 2019
- [j21]Ryuji Kobayashi, Koichi Adachi
Radio and Computing Resource Allocation for Minimizing Total Processing Completion Time in Mobile Edge Computing. IEEE Access 7: 141119-141132 (2019) - [j20]Naoki Aihara
Q-Learning Aided Resource Allocation and Environment Recognition in LoRaWAN With CSMA/CA. IEEE Access 7: 152126-152137 (2019) - [c36]Jumpei Kawakami, Hendrik Lumbantoruan, Koichi Adachi:
NOMA Based UAV Relay Communication Protocol in Cellular Network. APSIPA 2019: 1479-1484 - [c35]Hendrik Lumbantoruan, Koichi Adachi:
Array Antenna for Power Saving of Sensor Nodes in UAV-BS enabled WSN. ICNC 2019: 1024-1028 - [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
- [j19]Le Tien Trien, Koichi Adachi, Yasushi Yamao:
Packet relay-assisted V2V communication with sectorised relay station employing payload combining scheme. IET Commun. 12(4): 458-465 (2018) - [j18]Le Tien Trien, Koichi Adachi, Yasushi Yamao:
Efficient CSMA/CA Packet Relay-Assisted Scheme with Payload Combining for ITS V2V Communication. J. Inf. Process. 26: 11-19 (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 - [c31]Naoki Aihara
Orthogonal Resource Allocation Using SVM for CSMA/CA. APSIPA 2018: 779-784 - [c30]Yusuke Sunada, Koichi Adachi, Yasushi Yamao:
Throughput Analysis of Dynamic Multi-Hop Network Under High Traffic Load. ICUFN 2018: 622-624 - [c29]Mai Ohta, Koichi Adachi, Naoki Aihara
Measurement Experiments on 920 MHz Band for Spectrum Sharing with LoRaWAN. VTC Fall 2018: 1-5 - 2017
- [c28]Ashim Khadka, Koichi Adachi, Sumei Sun, Junyuan Wang
Cooperative Transmission Strategy over Users' Mobility for Downlink Distributed Antenna Systems. GLOBECOM 2017: 1-6 - [c27]Ernest Kurniawan, Peng Hui Tan, Koichi Adachi, Sumei Sun:
Hybrid Group Paging for Massive Machine-Type Communications in LTE Networks. GLOBECOM 2017: 1-6 - 2016
- [c26]Koichi Adachi, Maodong Li, Peng Hui Tan, Yuan Zhou, Sumei Sun:
Q-Learning Based Intelligent Traffic Steering in Heterogeneous Network. VTC Spring 2016: 1-5 - 2015
- [j17]Koichi Adachi:
Global Communications Newsletter. IEEE Commun. Mag. 53(9): 1-4 (2015) - [j16]Jingon Joung
A Survey on Power-Amplifier-Centric Techniques for Spectrum- and Energy-Efficient Wireless Communications. IEEE Commun. Surv. Tutorials 17(1): 315-333 (2015) - [j15]Koichi Adachi, Jingon Joung
A Distributed Resource Reservation Scheme for Handover Failure Reduction. IEEE Wirel. Commun. Lett. 4(5): 537-540 (2015) - [c25]Sumei Sun
Heterogeneous network: An evolutionary path to 5G. APCC 2015: 174-178 - [c24]Ashim Khadka, Koichi Adachi, Sumei Sun, Huiling Zhu, Jiangzhou Wang:
Cooperative Transmission Strategy for Downlink Distributed Antenna Systems over Time-Varying Channel. GLOBECOM 2015: 1-6 - [c23]Sumei Sun, Peng Hui Tan, Yuan Zhou, Koichi Adachi, Maodong Li:
AP based traffic steering for LTE-Wi-Fi networks. ICCC 2015: 1-5 - 2013
- [j14]Koichi Adachi, Kazuki Takeda, Sumei Sun
Joint Cooperative-Transmit and Receive FDE for Single-Carrier Incremental Relaying. IEEE Trans. Veh. Technol. 62(1): 1-13 (2013) - [j13]Koichi Adachi, Jingon Joung
Adaptive Coordinated Napping (CoNap) for Energy Saving in Wireless Networks. IEEE Trans. Wirel. Commun. 12(11): 5656-5667 (2013) - [c22]Poramate Tarasak, Koichi Adachi, Sumei Sun:
Cell selection for TDD two-tier cellular networks based on uplink-downlink capacity. WCNC 2013: 2016-2021 - 2012
- [j12]Koichi Adachi, Sumei Sun, Chin Keong Ho:
Power Minimization of Cooperative Relay Transmission with Relay's Private Information. IEEE Trans. Wirel. Commun. 11(7): 2520-2530 (2012) - [j11]Tetsuya Yamamoto, Koichi Adachi, Sumei Sun, Fumiyuki Adachi
Recursive QR packet combining for uplink single-carrier multi-user MIMO HARQ using near ML detection. Wirel. Commun. Mob. Comput. 12(18): 1652-1663 (2012) - [c21]Koichi Adachi, Jingon Joung
Energy-saving coordinated napping (CoNap) for wireless networks. GLOBECOM Workshops 2012: 1150-1154 - [c20]Tetsuya Yamamoto, Koichi Adachi, Sumei Sun, Fumiyuki Adachi
Recursive QR packet combining for uplink single-carrier multi-user MIMO HARQ using near ML detection. IWCMC 2012: 407-412 - [c19]Koichi Adachi, Sumei Sun:
Power-efficient dynamic BS muting in clustered cellular system. PIMRC 2012: 1149-1154 - [c18]Koichi Adachi, Sumei Sun:
Inter-Sector Cooperative Relaying for Network Power Minimization. VTC Spring 2012: 1-5 - 2011
- [j10]Yu Hemmi, Koichi Adachi, Tomoaki Ohtsuki
Subcarrier Mapping for Single-User SC-FDMA Relay Communications. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 94-A(12): 2776-2779 (2011) - [j9]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) - [c17]Kyohei Takano, Koichi Adachi, Tomoaki Ohtsuki
Transmit and Receive Weights in Vector Coding with Channel Estimation Error and Feedback Delay. GLOBECOM 2011: 1-5 - [c16]Koichi Adachi, Sumei Sun, Chin Keong Ho:
Power Minimization of Cooperative Relay Transmission with Relay's Private Information. VTC Fall 2011: 1-5 - [c15]Koichi Adachi, Sumei Sun, Jingon Joung
Cooperative Relay Transmission with Relay's Private Information. VTC Spring 2011: 1-5 - [c14]Hironori Kizuka, Koichi Adachi, Tomoaki Ohtsuki
Frequency Band Allocation in MIMO System Based on Received Power Difference among Users. VTC Spring 2011: 1-5 - [c13]Kazuki Takeda, Koichi Adachi, Sumei Sun, Fumiyuki Adachi
Single-Carrier Incremental Relaying with Joint Tx/Rx FDE. VTC Fall 2011: 1-5 - [c12]Kazunori Yamamoto, Koichi Adachi, Tomoaki Ohtsuki
Phase Rotation Sequence Selection Method for IFDMA with DDCE. VTC Spring 2011: 1-5 - 2010
- [j8]Koichi Adachi, Masao Nakagawa:
On the Construction of Orthogonal Spreading Code Groups for MC-CDMA with FDE in a Frequency Selective Channel. IEICE Trans. Commun. 93-B(3): 650-659 (2010) - [j7]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) - [c11]Yuichi Kazama, Akira Yamasaki, Koichi Adachi, Masao Nakagawa:
Impact of Frequency Diversity and Multi-User Diversity in IFDMA. VTC Spring 2010: 1-5 - [c10]Koichi Adachi, Masao Nakagawa:
Iterative Interference Cancellation for Multi-Code PR/MC-CDMA. WCNC 2010: 1-6
2000 – 2009
- 2009
- [j6]Koichi Adachi, Fumiyuki Adachi
Channel Capacity of MC-CDMA and Impact of Residual ICI. IEICE Trans. Commun. 92-B(1): 219-227 (2009) - [c9]Koichi Adachi, Masao Nakagawa:
Phase Rotation/MC-CDMA for Uplink Transmission. MCSS 2009: 323-332 - [c8]Koichi Adachi, Fumiyuki Adachi
Virtual MIMO Space Division Multiplexing for MC-CDMA. VTC Fall 2009 - [c7]Koichi Adachi, Masao Nakagawa:
On the construction of orthogonal spreading code groups for MC-CDMA with FDE in a frequency selective channel. WCNC 2009: 728-733 - 2008
- [j5]Koichi Adachi, Fumiyuki Adachi
On Cellular MIMO Channel Capacity. IEICE Trans. Commun. 91-B(7): 2366-2373 (2008) - [c6]Koichi Adachi, Fumiyuki Adachi
Cellular MIMO Channel Capacities of MC-CDMA and OFDM. VTC Spring 2008: 1980-1984 - [c5]Koichi Adachi, Masao Nakagawa:
Bit-Wise Error Detection Based Iterative Signal Detection for OFDM MIMO Multiplexing. WCNC 2008: 929-934 - 2007
- [j4]Koichi Adachi, Masao Nakagawa:
Iterative Modified QRD-M Based on CRC Codes for OFDM MIMO Multiplexing. IEICE Trans. Commun. 90-B(6): 1433-1443 (2007) - [j3]Koichi Adachi, Masao Nakagawa:
Theoretical Analysis of Decision Directed Block Iterative Channel Estimation for OFDM Mobile Radio. IEICE Trans. Commun. 90-B(7): 1764-1772 (2007) - [j2]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) - [c4]Koichi Adachi, Fumiyuki Adachi, Masao Nakagawa:
On Cellular MIMO Spectrum Efficiency. VTC Fall 2007: 417-421 - 2006
- [j1]Koichi Adachi, Riaz Esmailzadeh, Masao Nakagawa:
Iterative QRM-MLD with Pilot-Assisted Decision Directed Channel Estimation for OFDM MIMO Multiplexing. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 89-A(7): 1892-1902 (2006) - [c3]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 - [c2]Koichi Adachi, Masao Nakagawa:
LDPC Coded Iterative Signal Detection Based on QRD-M with CRC Check. VTC Fall 2006: 1-5 - [c1]Koichi Adachi, Masao Nakagawa:
Iterative Modified QRM-MLD Based on CRC Check for OFDM MIMO Multiplexing. VTC Spring 2006: 1353-1357
Coauthor Index
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last updated on 2024-11-07 20:31 CET by the dblp team
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