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Takefumi Hiraguri
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Publications
- 2022
- [j28]Kentaro Nishimori, Kazuki Maruta, Takefumi Hiraguri, Hidehisa Shiomi:
Fast-Converging Constant Modulus Algorithm with Variable Step Size for Multibeam Massive MIMO. IEICE Trans. Commun. 105-B(10): 1154-1161 (2022) - 2020
- [j27]Naoki Matsumura, Kentaro Nishimori, Ryotaro Taniguchi, Takefumi Hiraguri, Takashi Tomura, Jiro Hirokawa:
Novel Unmanned Aerial Vehicle-Based Line-of-Sight MIMO Configuration Independent of Transmitted Distance Using Millimeter Wave. IEEE Access 8: 11679-11691 (2020) - [j26]Takahiro Matsuda, Megumi Kaneko, Takefumi Hiraguri, Kentaro Nishimori, Tomotaka Kimura, Akihiro Nakao:
Adaptive Direction Control for UAV Full-Duplex Relay Networks Using Multiple Directional Antennas. IEEE Access 8: 85083-85093 (2020) - [j25]Takefumi Hiraguri, Kentaro Nishimori, Isamu Shitara, Tsutomu Mitsui, Takuya Shindo, Tomotaka Kimura, Takahiro Matsuda, Hideaki Yoshino:
A Cooperative Transmission Scheme in Drone-Based Networks. IEEE Trans. Veh. Technol. 69(3): 2905-2914 (2020) - 2019
- [c13]Kentaro Nishimori, Kazuki Maruta, Takefumi Hiraguri:
Blind Adaptive Array by Constant Modulus with Variable Step Size for Multi-beam Massive MIMO. WSA 2019: 234-239 - 2018
- [j24]Nobuyoshi Kikuma, Kentaro Nishimori, Takefumi Hiraguri:
Effect of User Antenna Selection on Block Beamforming Algorithms for Suppressing Inter-User Interference in Multiuser MIMO System. IEICE Trans. Commun. 101-B(7): 1523-1535 (2018) - [j23]Fumiya Muramatsu, Kentaro Nishimori, Ryotaro Taniguchi, Takefumi Hiraguri:
Multi-Beam Massive MIMO with Beam-Selection Using Only Amplitude Information in Uplink Channel. IEICE Trans. Commun. 101-B(7): 1544-1551 (2018) - [j22]Takefumi Hiraguri, Kentaro Nishimori, Yoshiaki Morino, Mamoru Ugajin, Hideaki Yoshino:
Novel Access Control Scheme with Collision Detection Utilizing MIMO Transmission Procedure in WLAN Systems. IEICE Trans. Commun. 101-B(7): 1561-1574 (2018) - [c11]Rafail Ismayilov, Megumi Kaneko, Takefumi Hiraguri, Kentaro Nishimori:
Adaptive Beam-Frequency Allocation Algorithm with Position Uncertainty for Millimeter-Wave MIMO Systems. VTC Spring 2018: 1-5 - 2017
- [c10]Yoshiaki Morino, Takefumi Hiraguri, Hideaki Yoshino, Kentaro Nishimori:
Proposal of overhead-less access control scheme for multi-beam massive MIMO transmission in WLAN systems. Med-Hoc-Net 2017: 1-5 - [i1]Rafail Ismayilov, Megumi Kaneko, Takefumi Hiraguri, Kentaro Nishimori:
Adaptive Beam-Frequency Allocation Algorithm with Position Uncertainty for Millimeter-Wave MIMO Systems. CoRR abs/1711.01800 (2017) - 2016
- [j19]Hayate Kimoto, Kentaro Nishimori, Takefumi Hiraguri, Hideo Makino:
FFT-Based Block Diagonalization at User Terminal for Implicit Beamforming in Multiuser MIMO System. IEICE Trans. Commun. 99-B(1): 115-123 (2016) - [j18]Yoshiaki Morino, Takefumi Hiraguri, Hideaki Yoshino, Kentaro Nishimori, Takahiro Matsuda:
A Novel Collision Avoidance Scheme Using Optimized Contention Window in Dense Wireless LAN Environments. IEICE Trans. Commun. 99-B(11): 2426-2434 (2016) - 2015
- [j17]Takefumi Hiraguri, Kentaro Nishimori:
Survey of Transmission Methods and Efficiency Using MIMO Technologies for Wireless LAN Systems. IEICE Trans. Commun. 98-B(7): 1250-1267 (2015) - 2014
- [j16]Ryochi Kataoka, Kentaro Nishimori, Takefumi Hiraguri, Naoki Honma, Tomohiro Seki, Ken Hiraga, Hideo Makino:
Analog Decoding Method for Simplified Short-Range MIMO Transmission. IEICE Trans. Commun. 97-B(3): 620-630 (2014) - [j15]Kentaro Nishimori, Takefumi Hiraguri, Hideo Makino:
Transmission Rate by User Antenna Selection for Block Diagonalization Based Multiuser MIMO System. IEICE Trans. Commun. 97-B(10): 2118-2126 (2014) - [j14]Toshiyuki Ogawa, Takefumi Hiraguri, Kentaro Nishimori, Hideaki Yoshino, Kenya Jin'no:
Multicast Transmission Access Control Methods for Various Wireless LAN Applications. IEICE Trans. Commun. 97-B(11): 2534-2542 (2014) - [c7]Yoshiaki Morino, Takefumi Hiraguri, Toshiyuki Ogawa, Hideaki Yoshino, Kentaro Nishimori:
Analysis evaluation of collision detection scheme utilizing MIMO transmission. WiMob 2014: 28-32 - 2013
- [j12]Akira Kishida, Masashi Iwabuchi, Toshiyuki Shintaku, Tetsu Sakata, Takefumi Hiraguri, Kentaro Nishimori:
User-Oriented QoS Control Method Based on CSMA/CA for IEEE802.11 Wireless LAN System. IEICE Trans. Commun. 96-B(2): 419-429 (2013) - [j11]Naoki Honma, Kentaro Nishimori, Takefumi Hiraguri, Yoshitaka Tsunekawa:
Non-iterative Algorithm of MIMO Adaptive Array Based on Correlation Matrix Including Parasitic Antennas. IEICE Trans. Commun. 96-B(7): 1945-1952 (2013) - [j10]Takefumi Hiraguri, Kengo Nagata, Toshiyuki Ogawa, Takahiro Ueno, Kenya Jin'no, Kentaro Nishimori:
Queuing Scheme for Improved Downlink Throughput on WLANs. Wirel. Pers. Commun. 70(2): 985-1000 (2013) - 2011
- [j9]Masakatsu Ogawa, Takefumi Hiraguri, Kentaro Nishimori, Naoki Honma, Kazuhiro Takaya, Kazuo Murakawa:
Power Saving Control Method for Battery-Powered Portable Wireless LAN Access Points in an Overlapping BSS Environment. IEICE Trans. Commun. 94-B(3): 658-666 (2011) - [j8]Kentaro Nishimori, Takefumi Hiraguri, Masakatsu Ogawa, Naoki Honma:
Development of Multi Channel Ad-Hoc Network System. IEICE Trans. Commun. 94-B(3): 667-675 (2011) - [c6]Takefumi Hiraguri, Toshiyuki Ogawa, Takahiro Ueno, Kentaro Nishimori, Kenya Jin'no:
Transmission Queuing Schemes for Improving Downlink Throughput on IEEE 802.11 WLANs. ICCCN 2011: 1-5 - 2010
- [j6]Akira Kishida, Takefumi Hiraguri, Masakatsu Ogawa, Kentaro Nishimori, Naoki Honma, Tetsu Sakata:
A Novel Interference Avoidance Technique on Mobile Wireless Routers Using IEEE802.11n PSMP. IEICE Trans. Commun. 93-B(8): 2053-2062 (2010) - [j5]Masakatsu Ogawa, Takefumi Hiraguri, Kentaro Nishimori, Kazuhiro Takaya, Kazuo Murakawa:
Transmission History Based Distributed Adaptive Contention Window Adjustment Algorithm Cooperating with Automatic Rate Fallback for Wireless LANs. IEICE Trans. Commun. 93-B(8): 2063-2072 (2010) - [j4]Naoki Honma, Kentaro Nishimori, Riichi Kudo, Yasushi Takatori, Takefumi Hiraguri, Masato Mizoguchi:
A Stochastic Approach to Design MIMO Antenna with Parasitic Elements Based on Propagation Characteristics. IEICE Trans. Commun. 93-B(10): 2578-2585 (2010)
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