Atsushi Ohta

57 papers B 9C 1Misc 4Journal 29Unranked 14
YearRankTypeTitle / Venue / Authors
2020 — conf
Computational Complexity of DECLARE Relation Problem for Sound non-Free-Choice Workflow Nets.
SICE
Atsushi Ohta, Kohkichi Tsuji
2019 J jnl
Experimental Verification of 1-Tap Time Domain Beamforming for P-MP Relay System via 75 GHz Band Measured CSI.
IEICE Trans. Commun.
Mizuki Suga, Atsushi Ohta, Kazuto Goto, Takahiro Tsuchiya, Nobuaki Otsuki, Yushi Shirato, Naoki Kita, Takeshi Onizawa
2018 J jnl
Experimental Verification of Null-Space Expansion for Multiuser Massive MIMO via Channel State Information Measurement.
IEICE Trans. Commun.
Tatsuhiko Iwakuni, Kazuki Maruta, Atsushi Ohta, Yushi Shirato, Masataka Iizuka
2017 J jnl
Antenna Array Arrangement for Massive MIMO to Reduce Channel Spatial Correlation in LOS Environment.
IEICE Trans. Commun.
Takuto Arai, Atsushi Ohta, Yushi Shirato, Satoshi Kurosaki, Kazuki Maruta, Tatsuhiko Iwakuni, Masataka Iizuka
2017 J jnl
Experimental Investigation of Space Division Multiplexing on Massive Antenna Systems for Wireless Entrance.
IEICE Trans. Commun.
Kazuki Maruta, Atsushi Ohta, Satoshi Kurosaki, Takuto Arai, Masataka Iizuka
2017 J jnl
Massive Antenna Systems for Wireless Entrance (MAS-WE): Practical Application of Massive MIMO with Simplified Space Division Multiplexing Schemes.
IEICE Trans. Commun.
Kazuki Maruta, Atsushi Ohta, Satoshi Kurosaki, Takuto Arai, Masataka Iizuka
2017 J jnl
Null-Space Expansion for Multiuser Massive MIMO Inter-User Interference Suppression in Time Varying Channels.
IEICE Trans. Commun.
Tatsuhiko Iwakuni, Kazuki Maruta, Atsushi Ohta, Yushi Shirato, Takuto Arai, Masataka Iizuka
2016 J jnl
A Replication Protocol Supporting Multiple Consistency Models without Single Point of Failure.
IEICE Trans. Inf. Syst.
Atsushi Ohta, Ryota Kawashima, Hiroshi Matsuo
2016 B conf
Correlation-based user scheduling and multi-planar parallelogram array for Massive antenna systems.
PIMRC
Takuto Arai, Atsushi Ohta, Satoshi Kurosaki, Kazuki Maruta, Tatsuhiko Iwakuni, Masataka Iizuka
2016 — conf
Experimental Verification of Null-Space Expansion for Multiuser Massive MIMO Using Measured Channel State Information.
VTC Fall
Tatsuhiko Iwakuni, Kazuki Maruta, Atsushi Ohta, Yushi Shirato, Takuto Arai, Masataka Iizuka
2016 J jnl
First Eigenmode Transmission by High Efficient CSI Estimation for Multiuser Massive MIMO Using Millimeter Wave Bands.
Sensors
Kazuki Maruta, Tatsuhiko Iwakuni, Atsushi Ohta, Takuto Arai, Yushi Shirato, Satoshi Kurosaki, Masataka Iizuka
2015 J jnl
A Graph-Theory-Based Algorithm for Euler Number Computing.
IEICE Trans. Inf. Syst.
Lifeng He, Bin Yao, Xiao Zhao, Yun Yang, Yuyan Chao, Atsushi Ohta
2015 Misc conf
A novel application of Massive MIMO: Massive Antenna Systems for Wireless Entrance (MAS-WE).
ICNC
Kazuki Maruta, Atsushi Ohta, Satoshi Kurosaki, Takuto Arai, Masataka Iizuka
2015 — conf
Deferred-Update Replication Supporting Multiple Consistency Models.
CANDAR
Atsushi Ohta, Ryota Kawashima, Hiroshi Matsuo
2015 — conf
Experimental investigation of space division multiplexing on Massive Antenna Systems.
ICC
Kazuki Maruta, Atsushi Ohta, Satoshi Kurosaki, Takuto Arai, Masataka Iizuka
2015 B conf
Inter-user interference suppression in time varying channel with null-space expansion for multiuser massive MIMO.
PIMRC
Tatsuhiko Iwakuni, Kazuki Maruta, Atsushi Ohta, Yushi Shirato, Takuto Arai, Masataka Iizuka
2014 J jnl
An Efficient Strategy for Bit-Quad-Based Euler Number Computing Algorithm.
IEICE Trans. Inf. Syst.
Bin Yao, Hua Wu, Yun Yang, Yuyan Chao, Atsushi Ohta, Haruki Kawanaka, Lifeng He
2014 — conf
Applying FFR to Inter-Cell Interference Cancellation with Quasi-Decentralized Base Station Cooperation.
VTC Spring
Kazuki Maruta, Atsushi Ohta, Masataka Iizuka, Takatoshi Sugiyama
2013 J jnl
Network Interface Architecture with Scalable Low-Latency Message Receiving Mechanism.
IEICE Trans. Inf. Syst.
Noboru Tanabe, Atsushi Ohta
2013 J jnl
The Liveness of WS
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Guanjun Liu, Changjun Jiang, MengChu Zhou, Atsushi Ohta
2012 Misc conf
Decidability Analysis of Some Classes of Extended Function Petri Net.
ICNC
Atsushi Ohta, Kohkichi Tsuji
2012 — conf
Iterative Inter-Cluster Interference Cancellation for Cooperative Base Station Systems.
VTC Spring
Kazuki Maruta, Atsushi Ohta, Masataka Iizuka, Takatoshi Sugiyama
2012 J jnl
Spectral Efficiency Improvement of Fractional Frequency Reuse by Inter-Cell Interference Cancellation on Cooperative Base Station.
IEICE Trans. Commun.
Kazuki Maruta, Atsushi Ohta, Masataka Iizuka, Takatoshi Sugiyama
2011 Misc conf
Reconfigurable Android with an FPGA Accelerator for the Future Embedded Devices.
ICNC
Hironori Nakajo, Keisuke Koike, Atsushi Ohta, Kohta Ohshima, Kaori Fujinami
2011 J jnl
Verifying Structurally Weakly Persistent Net Is Co-NP Complete.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Atsushi Ohta, Kohkichi Tsuji
2009 J jnl
A New User Selection Measure in Block Diagonalization Algorithm for Multiuser MIMO Systems.
IEICE Trans. Commun.
Riichi Kudo, Yasushi Takatori, Kentaro Nishimori, Atsushi Ohta, Shuji Kubota, Masato Mizoguchi
2009 J jnl
Computational Complexity of Liveness Problem of Normal Petri Net.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Atsushi Ohta, Kohkichi Tsuji
2009 J jnl
Experiments on FPGA-Implemented Eigenbeam MIMO-OFDM With Transmit Antenna Selection.
IEEE Trans. Veh. Technol.
Takeshi Onizawa, Atsushi Ohta, Yusuke Asai
2009 B conf
Inter-cluster interference canceller for multiuser MIMO distributed antenna systems.
PIMRC
Kazuki Maruta, Takashi Maruyama, Atsushi Ohta, Masashi Nakatsugawa
2009 B conf
Network Interface Architecture for Scalable Message Queue Processing.
ICPADS
Noboru Tanabe, Atsushi Ohta, Pulung Waskito, Hironori Nakajo
2009 — conf
Optimized dynamic resource allocation in frequency and spatial domains.
VTC Fall
Takashi Maruyama, Kazuki Maruta, Atsushi Ohta, Masashi Nakatsugawa
2008 J jnl
Antenna Selection Method for Terminal Antennas Employing Orthogonal Polarizations and Patterns in Outdoor Multiuser MIMO System.
IEICE Trans. Commun.
Naoki Honma, Riichi Kudo, Kentaro Nishimori, Yasushi Takatori, Atsushi Ohta, Shuji Kubota
2007 J jnl
A Simple and Feasible Decision-Feedback Channel Tracking Scheme for MIMO-OFDM Systems.
IEICE Trans. Commun.
Yusuke Asai, Wenjie Jiang, Takeshi Onizawa, Atsushi Ohta, Satoru Aikawa
2007 J jnl
A Synchronization Scheme for Packet Mode MIMO-OFDM Signals in Wireless LAN.
IEICE Trans. Commun.
Takeshi Onizawa, Takafumi Fujita, Yusuke Asai, Daisei Uchida, Atsushi Ohta, Satoru Aikawa
2007 Misc conf
Implementation and Evaluation of Multicast Mechanism on Network Interface Plugged into a Memory Slot.
PDPTA
Atsushi Ohta, Yoshihiro Hamada, Akira Kitamura, Noboru Tanabe, Hideharu Amano, Hironori Nakajo
2007 J jnl
New Downlink Beamforming Method for Cooperative Multiple Access Point Systems.
IEICE Trans. Commun.
Riichi Kudo, Yasushi Takatori, Kentaro Nishimori, Atsushi Ohta, Shuji Kubota
2007 J jnl
New Robust Beamforming Method for Frequency Offsets in Uplink Multiuser OFDM-MIMO.
IEICE Trans. Commun.
Yasushi Takatori, Riichi Kudo, Atsushi Ohta, Koichi Ishihara, Kentaro Nishimori, Shuji Kubota
2007 — conf
New Simple Capacity Estimation Method for Multiuser Block Diagonalization Transmission.
VTC Spring
Riichi Kudo, Yasushi Takatori, Atsushi Ohta, Kentaro Nishimori, Shuji Kubota
2007 B conf
User Selection Method for Block Diagonalization in Multiuser MIMO Systems.
GLOBECOM
Riichi Kudo, Yasushi Takatori, Kentaro Nishimori, Atsushi Ohta, Shuji Kubota
2007 J jnl
Using a GPU to Accelerate Die and Mold Fabrication.
IEEE Computer Graphics and Applications
Masatomo Inui, Atsushi Ohta
2006 — conf
A Simplified Decision-Feedback Channel Tracking Scheme for MIMO-OFDM Systems.
VTC Fall
Yusuke Asai, Wenjie Jiang, Takeshi Onizawa, Satoru Aikawa, Daisei Uchida, Atsushi Ohta
2006 — conf
Experimental Evaluation of Eigenbeam MIMO-OFDM Implemented in FPGA for Wireless LAN.
VTC Spring
Takeshi Onizawa, Atsushi Ohta, Yusuke Asai, Satoru Aikawa
2006 B conf
Experimental Evaluation of Transmit Antenna Selection Implemented in FPGA for Eigenbeam MIMO-OFDM.
PIMRC
Takeshi Onizawa, Atsushi Ohta, Yusuke Asai, Satoru Aikawa
2006 — conf
Experimental Evaluation of Transmit Antenna Selection Implemented in FPGA for MIMO-OFDM.
VTC Fall
Takeshi Onizawa, Atsushi Ohta, Satoru Aikawa
2006 J jnl
FPGA Implementation of Eigenbeam MIMO-OFDM for Wireless LAN and Its Experimental Performance.
IEICE Trans. Commun.
Takeshi Onizawa, Atsushi Ohta, Yusuke Asai, Satoru Aikawa
2006 B conf
Performance Evaluation of 8×8 Multi-User MIMO-OFDM Testbed in an Actual Indoor Environment.
PIMRC
Kentaro Nishimori, Riichi Kudo, Yasushi Takatori, Atsushi Ohta, Koichi Tsunekawa
2006 J jnl
Special Section on Concurrent/Hybrid Systems: Theory and Applications.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Atsushi Ohta
2006 C conf
Structural analysis of Petri nets with batch processing arcs.
ISCAS
Atsushi Ohta, Chihiro Kato, Kohkichi Tsuji
2005 J jnl
A Reduced-Complexity Signal Detection Scheme Employing ZF and K-Best Algorithms for OFDM/SDM.
IEICE Trans. Commun.
Takafumi Fujita, Atsushi Ohta, Takeshi Onizawa, Takatoshi Sugiyama
2005 J jnl
A Simplified Maximum Likelihood Detector for OFDM-SDM Systems in Wireless LAN.
IEICE Trans. Commun.
Wenjie Jiang, Takeshi Onizawa, Atsushi Ohta, Satoru Aikawa
2005 — conf
Minimal time reachability problem of some subclasses of timed Petri nets.
ISCAS (1)
Atsushi Ohta, Kohkichi Tsuji, Tomiji Hisamura
2004 B conf
A new signal detection scheme combining ZF and K-best algorithms for OFDM/SDM.
PIMRC
Tukafunzi Fujita, Takeshi Onizawa, Wenjie Jiang, Daisei Uchida, Takatoshi Sugiyama, Atsushi Ohta
2004 — conf
Unfolding of Petri nets with semilinear reachability set.
ISCAS (4)
Atsushi Ohta, Kohkichi Tsuji
2003 — conf
Insufficiently marked siphon of Petri nets - extension of token-free siphon.
ISCAS (3)
Atsushi Ohta, Kohkichi Tsuji
2002 J jnl
NP-Hardness of Liveness Problem of Bounded Asymmetric Choice Net.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Atsushi Ohta, Kohkichi Tsuji
1999 B conf
Automatic repeat request schemes for high-speed wireless access systems with constraint of finite control channel capacity.
WCNC
Masafumi Yoshioka, Atsushi Ohta, Yoichi Matsumoto, Masahiro Umehira
1999 J jnl
Prototype AWA: design and implementation of a high speed ATM wireless access system using 25 GHz band.
Comput. Networks
Toshihiro Manabe, Takatoshi Sugiyama, Atsushi Ohta, Fusao Nuno, Hiroyuki Suzuki, Shuta Uwano, Satoru Aikawa, Masahiro Umehira