Takefumi Hiraguri

60 papers B 7C 2Misc 1Journal 33Unranked 17

Year	Rank	Type	Title / Venue / Authors
2025	J	`jnl`	RGB Color Space-Enhanced Training Data Generation for Cucumber Classification. J. Imaging Hotaka Hoshino, Takuya Shindo, Takefumi Hiraguri, Nobuhiko Itoh
2024	—	`conf`	AI camera development sutitable for tomato harvest timing estimation. ICCE-Taiwan Yasuhiro Okabe, Takefumi Hiraguri, Keita Endo, Hiroyuki Shimizu, Tomotaka Kimura, Naoki Yamada
2024	—	`conf`	Evaluation of handover schemes and switching between different communication systems by drone radio stations. ICCE-Taiwan Koyo Aoyama, Takefumi Hiraguri, Kakeru Hirata, Takahiro Matsuda, Tomotaka Kimura
2024	J	`jnl`	Time Division Wireless Power Transfer Using Receiver Grouping. IEEE Access Yuna Sawada, Shino Shiraki, Takahiro Matsuda, Takefumi Hiraguri, Kazuki Maruta, Tomotaka Kimura
2023	—	`conf`	Adaptive Antenna Selection for Two-Hop Full-Duplex UAV Relay Networks. ICCE-Taiwan Takumu Uda, Takahiro Matsuda, Takefumi Hiraguri
2023	—	`conf`	Agricultural Field Monitoring System Using DTN-based Drone Networks. ICCE-Taiwan Kota Hatajiri, Tomotaka Kimura, Takefumi Hiraguri, Jun Cheng
2023	J	`jnl`	Autonomous Drone-Based Pollination System Using AI Classifier to Replace Bees for Greenhouse Tomato Cultivation. IEEE Access Takefumi Hiraguri, Hiroyuki Shimizu, Tomotaka Kimura, Takahiro Matsuda, Kazuki Maruta, Yoshihiro Takemura, Takeshi Ohya, Takuma Takanashi
2023	—	`conf`	Directional beam antenna control in response to drone tilts. ICCE-Taiwan Chikayo Hata, Takefumi Hiraguri, Takahiro Matsuda, Tetsuro Imai, Jiro Hirokawa
2023	—	`conf`	Drone Flight Experiment using RTK Positioning for Pear Pollination. ICCE-Taiwan Naoki Yamada, Takefumi Hiraguri, Hiroyuki Shimizu, Tomotaka Kimura, Tomohito Shimada, Akane Shibasaki, Yoshihiro Takemura
2023	—	`conf`	Performance Improvement of Maximum Likelihood Wave Source Localization with LOS/NLOS Identification. ICCE-Taiwan Takayuki Mori, Shinichi Murata, Takahiro Matsuda, Takefumi Hiraguri
2023	C	`conf`	TDM Scheduling Based on Receiver Grouping for Indoor Wireless Power Transfer. APCC Yuna Sawada, Shino Shiraki, Takahiro Matsuda, Takefumi Hiraguri, Kazuki Maruta, Tomotaka Kimura
2022	J	`jnl`	Fast-Converging Constant Modulus Algorithm with Variable Step Size for Multibeam Massive MIMO. IEICE Trans. Commun. Kentaro Nishimori, Kazuki Maruta, Takefumi Hiraguri, Hidehisa Shiomi
2022	—	`conf`	Semantic Segmentation Based Field Detection Using Drones. ICCE-TW Keita Endo, Tomotaka Kimura, Nobuhiko Itoh, Takefumi Hiraguri
2021	—	`conf`	Study of flower image classification using deep learning to support agricultural pollination. ICCE-TW Eisuke Fukuyama, Tomotaka Kimura, Nobuhiko Itoh, Takefumi Hiraguri
2021	J	`jnl`	Traffic Reduction Technologies and Data Aggregation Control to Minimize Latency in IoT Systems. IEICE Trans. Commun. Hideaki Yoshino, Kenko Ota, Takefumi Hiraguri
2020	J	`jnl`	A Cooperative Transmission Scheme in Drone-Based Networks. IEEE Trans. Veh. Technol. Takefumi Hiraguri, Kentaro Nishimori, Isamu Shitara, Tsutomu Mitsui, Takuya Shindo, Tomotaka Kimura, Takahiro Matsuda, Hideaki Yoshino
2020	—	`conf`	A Study on Quality of Experience with Scalable Video Coding Transmission Rate Control in Wireless LAN Multicast Environments with Background Traffic. ICCE-TW Hiroshi Iida, Isamu Shitara, Hideaki Yoshino, Takahiro Matsuda, Takefumi Hiraguri
2020	J	`jnl`	Adaptive Direction Control for UAV Full-Duplex Relay Networks Using Multiple Directional Antennas. IEEE Access Takahiro Matsuda, Megumi Kaneko, Takefumi Hiraguri, Kentaro Nishimori, Tomotaka Kimura, Akihiro Nakao
2020	—	`conf`	Improving QoE Fairness Using the IEEE 802.11e Priority Control Mechanism. ICCE-TW Kosuke Shikama, Takahiro Matsuda, Takefumi Hiraguri, Takanori Hayashi, Ryo Yamamoto
2020	J	`jnl`	Novel Unmanned Aerial Vehicle-Based Line-of-Sight MIMO Configuration Independent of Transmitted Distance Using Millimeter Wave. IEEE Access Naoki Matsumura, Kentaro Nishimori, Ryotaro Taniguchi, Takefumi Hiraguri, Takashi Tomura, Jiro Hirokawa
2019	Misc	`conf`	Adaptive Control of Nonstatistical Sensor Data Aggregation to Minimize Latency in IoT Gateways. ITNAC Hideaki Yoshino, Kenko Ota, Takefumi Hiraguri
2019	—	`conf`	Blind Adaptive Array by Constant Modulus with Variable Step Size for Multi-beam Massive MIMO. WSA Kentaro Nishimori, Kazuki Maruta, Takefumi Hiraguri
2019	B	`conf`	Optimal Parameters of Nonstatistical Sensor Data Aggregation Minimizing Latency in IoT Gateway. GLOBECOM Hideaki Yoshino, Kenko Ota, Takefumi Hiraguri
2018	—	`conf`	Adaptive Beam-Frequency Allocation Algorithm with Position Uncertainty for Millimeter-Wave MIMO Systems. VTC Spring Rafail Ismayilov, Megumi Kaneko, Takefumi Hiraguri, Kentaro Nishimori
2018	—	`conf`	Adaptive Control of Statistical Data Aggregation to Minimize Latency in IoT Gateway. GIIS Hideaki Yoshino, Kenko Ota, Takefumi Hiraguri
2018	J	`jnl`	Effect of User Antenna Selection on Block Beamforming Algorithms for Suppressing Inter-User Interference in Multiuser MIMO System. IEICE Trans. Commun. Nobuyoshi Kikuma, Kentaro Nishimori, Takefumi Hiraguri
2018	J	`jnl`	Multi-Beam Massive MIMO with Beam-Selection Using Only Amplitude Information in Uplink Channel. IEICE Trans. Commun. Fumiya Muramatsu, Kentaro Nishimori, Ryotaro Taniguchi, Takefumi Hiraguri
2018	J	`jnl`	Novel Access Control Scheme with Collision Detection Utilizing MIMO Transmission Procedure in WLAN Systems. IEICE Trans. Commun. Takefumi Hiraguri, Kentaro Nishimori, Yoshiaki Morino, Mamoru Ugajin, Hideaki Yoshino
2018	J	`jnl`	Queueing Delay Analysis and Optimization of Statistical Data Aggregation and Transmission Systems. IEICE Trans. Commun. Hideaki Yoshino, Kenko Ota, Takefumi Hiraguri
2017	J	`jnl`	Adaptive Beam-Frequency Allocation Algorithm with Position Uncertainty for Millimeter-Wave MIMO Systems. CoRR Rafail Ismayilov, Megumi Kaneko, Takefumi Hiraguri, Kentaro Nishimori
2017	J	`jnl`	An ( IEICE Trans. Fundam. Electron. Commun. Comput. Sci. Mamoru Ugajin, Takuya Shindo, Tsuneo Tsukahara, Takefumi Hiraguri
2017	—	`conf`	Proposal of overhead-less access control scheme for multi-beam massive MIMO transmission in WLAN systems. Med-Hoc-Net Yoshiaki Morino, Takefumi Hiraguri, Hideaki Yoshino, Kentaro Nishimori
2016	J	`jnl`	A Novel Collision Avoidance Scheme Using Optimized Contention Window in Dense Wireless LAN Environments. IEICE Trans. Commun. Yoshiaki Morino, Takefumi Hiraguri, Hideaki Yoshino, Kentaro Nishimori, Takahiro Matsuda
2016	J	`jnl`	FFT-Based Block Diagonalization at User Terminal for Implicit Beamforming in Multiuser MIMO System. IEICE Trans. Commun. Hayate Kimoto, Kentaro Nishimori, Takefumi Hiraguri, Hideo Makino
2015	J	`jnl`	Survey of Transmission Methods and Efficiency Using MIMO Technologies for Wireless LAN Systems. IEICE Trans. Commun. Takefumi Hiraguri, Kentaro Nishimori
2014	J	`jnl`	Analog Decoding Method for Simplified Short-Range MIMO Transmission. IEICE Trans. Commun. Ryochi Kataoka, Kentaro Nishimori, Takefumi Hiraguri, Naoki Honma, Tomohiro Seki, Ken Hiraga, Hideo Makino
2014	B	`conf`	Analysis evaluation of collision detection scheme utilizing MIMO transmission. WiMob Yoshiaki Morino, Takefumi Hiraguri, Toshiyuki Ogawa, Hideaki Yoshino, Kentaro Nishimori
2014	B	`conf`	Canonical deterministic particle swarm optimization to sustain global search. SMC Kenya Jin'no, Takuya Shindo, Takuya Kurihara, Takefumi Hiraguri, Hideaki Yoshino
2014	J	`jnl`	Effective Method for Wind and Solar Power Grid Systems Based on Recurrent Neural Networks. J. Adv. Comput. Intell. Intell. Informatics Keisuke Kimura, Takayuki Kimura, Takefumi Hiraguri, Kenya Jin'no
2014	J	`jnl`	Multicast Transmission Access Control Methods for Various Wireless LAN Applications. IEICE Trans. Commun. Toshiyuki Ogawa, Takefumi Hiraguri, Kentaro Nishimori, Hideaki Yoshino, Kenya Jin'no
2014	J	`jnl`	Transmission Rate by User Antenna Selection for Block Diagonalization Based Multiuser MIMO System. IEICE Trans. Commun. Kentaro Nishimori, Takefumi Hiraguri, Hideo Makino
2014	—	`conf`	Virtualization-capable multichannel WiFi system with a coordinated downlink transmission technique. CSNDSP Yozo Shoji, Takefumi Hiraguri
2013	J	`jnl`	Non-iterative Algorithm of MIMO Adaptive Array Based on Correlation Matrix Including Parasitic Antennas. IEICE Trans. Commun. Naoki Honma, Kentaro Nishimori, Takefumi Hiraguri, Yoshitaka Tsunekawa
2013	J	`jnl`	Queuing Scheme for Improved Downlink Throughput on WLANs. Wirel. Pers. Commun. Takefumi Hiraguri, Kengo Nagata, Toshiyuki Ogawa, Takahiro Ueno, Kenya Jin'no, Kentaro Nishimori
2013	J	`jnl`	User-Oriented QoS Control Method Based on CSMA/CA for IEEE802.11 Wireless LAN System. IEICE Trans. Commun. Akira Kishida, Masashi Iwabuchi, Toshiyuki Shintaku, Tetsu Sakata, Takefumi Hiraguri, Kentaro Nishimori
2011	J	`jnl`	Development of Multi Channel Ad-Hoc Network System. IEICE Trans. Commun. Kentaro Nishimori, Takefumi Hiraguri, Masakatsu Ogawa, Naoki Honma
2011	J	`jnl`	Power Saving Control Method for Battery-Powered Portable Wireless LAN Access Points in an Overlapping BSS Environment. IEICE Trans. Commun. Masakatsu Ogawa, Takefumi Hiraguri, Kentaro Nishimori, Naoki Honma, Kazuhiro Takaya, Kazuo Murakawa
2011	B	`conf`	Transmission Queuing Schemes for Improving Downlink Throughput on IEEE 802.11 WLANs. ICCCN Takefumi Hiraguri, Toshiyuki Ogawa, Takahiro Ueno, Kentaro Nishimori, Kenya Jin'no
2010	J	`jnl`	A Novel Interference Avoidance Technique on Mobile Wireless Routers Using IEEE802.11n PSMP. IEICE Trans. Commun. Akira Kishida, Takefumi Hiraguri, Masakatsu Ogawa, Kentaro Nishimori, Naoki Honma, Tetsu Sakata
2010	J	`jnl`	A Stochastic Approach to Design MIMO Antenna with Parasitic Elements Based on Propagation Characteristics. IEICE Trans. Commun. Naoki Honma, Kentaro Nishimori, Riichi Kudo, Yasushi Takatori, Takefumi Hiraguri, Masato Mizoguchi
2010	J	`jnl`	Frame Resource Allocation Schemes that Improve System Capacity and Latency Performance of Time-Division Duplex Multihop Relay Systems. IEICE Trans. Commun. Youhei Ohno, Tatsuya Shimizu, Takefumi Hiraguri, Masashi Nakatsugawa
2010	J	`jnl`	Transmission History Based Distributed Adaptive Contention Window Adjustment Algorithm Cooperating with Automatic Rate Fallback for Wireless LANs. IEICE Trans. Commun. Masakatsu Ogawa, Takefumi Hiraguri, Kentaro Nishimori, Kazuhiro Takaya, Kazuo Murakawa
2009	B	`conf`	A novel interference avoidance technique on MAC protocol for Wireless LAN-WIMAX relay. PIMRC Akira Kishida, Takefumi Hiraguri, Masakatsu Ogawa
2009	B	`conf`	Novel frame structures to improve system capacity and latency performance of a time-division duplex multihop relay wireless access system. WCNC Youhei Ohno, Tatsuya Shimizu, Takefumi Hiraguri, Masashi Nakatsugawa
2009	J	`jnl`	Power Saving Control for Battery-Powered Portable WLAN APs. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. Masakatsu Ogawa, Takefumi Hiraguri
2009	J	`jnl`	Power Saving Scheme Suitable for Wireless LAN in Multimedia Communications. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. Takefumi Hiraguri, Masakatsu Ogawa, Makoto Umeuchi, Tetsu Sakata
2009	B	`conf`	Study of power saving scheme suitable for wireless LAN in multimedia communication. WCNC Takefumi Hiraguri, Masakatsu Ogawa, Makoto Umeuchi, Tetsu Sakata
2008	J	`jnl`	Proposal of Wireless Traffic Control Schemes for Wireless LANs. IEICE Trans. Commun. Takefumi Hiraguri, Takeo Ichikawa, Masataka Iizuka, Shuji Kubota
2004	—	`conf`	Development of traffic control mechanisms for IEEE 802.11 wireless LANs without QoS support functionality. ISWCS Takefumi Hiraguri, Yasuhiko Inoue, Shuji Kubota
2002	C	`conf`	Novel multiple access protocol for voice over IP in wireless LAN. ISCC Takefumi Hiraguri, Takeo Ichikawa, Masataka Iizuka, Masahiro Morikura