Atsushi Ohta

Publication Activity (10 Years)

Years Active: 1999-2020
Publications (10 Years): 11

Top Topics

Top Venues

IEICE Trans. Commun.

IEICE Trans. Inf. Syst.

Publications

Atsushi Ohta, Kohkichi Tsuji
Computational Complexity of DECLARE Relation Problem for Sound non-Free-Choice Workflow Nets. SICE (2020)
Mizuki Suga, Atsushi Ohta, Kazuto Goto, Takahiro Tsuchiya, Nobuaki Otsuki, Yushi Shirato, Naoki Kita, Takeshi Onizawa
Experimental Verification of 1-Tap Time Domain Beamforming for P-MP Relay System via 75 GHz Band Measured CSI. IEICE Trans. Commun. (8) (2019)
Tatsuhiko Iwakuni, Kazuki Maruta, Atsushi Ohta, Yushi Shirato, Masataka Iizuka
Experimental Verification of Null-Space Expansion for Multiuser Massive MIMO via Channel State Information Measurement. IEICE Trans. Commun. (3) (2018)
Kazuki Maruta, Atsushi Ohta, Satoshi Kurosaki, Takuto Arai, Masataka Iizuka
Experimental Investigation of Space Division Multiplexing on Massive Antenna Systems for Wireless Entrance. IEICE Trans. Commun. (8) (2017)
Tatsuhiko Iwakuni, Kazuki Maruta, Atsushi Ohta, Yushi Shirato, Takuto Arai, Masataka Iizuka
Null-Space Expansion for Multiuser Massive MIMO Inter-User Interference Suppression in Time Varying Channels. IEICE Trans. Commun. (5) (2017)
Takuto Arai, Atsushi Ohta, Yushi Shirato, Satoshi Kurosaki, Kazuki Maruta, Tatsuhiko Iwakuni, Masataka Iizuka
Antenna Array Arrangement for Massive MIMO to Reduce Channel Spatial Correlation in LOS Environment. IEICE Trans. Commun. (4) (2017)
Kazuki Maruta, Atsushi Ohta, Satoshi Kurosaki, Takuto Arai, Masataka Iizuka
Massive Antenna Systems for Wireless Entrance (MAS-WE): Practical Application of Massive MIMO with Simplified Space Division Multiplexing Schemes. IEICE Trans. Commun. (5) (2017)
Kazuki Maruta, Tatsuhiko Iwakuni, Atsushi Ohta, Takuto Arai, Yushi Shirato, Satoshi Kurosaki, Masataka Iizuka
First Eigenmode Transmission by High Efficient CSI Estimation for Multiuser Massive MIMO Using Millimeter Wave Bands. Sensors 16 (7) (2016)
Tatsuhiko Iwakuni, Kazuki Maruta, Atsushi Ohta, Yushi Shirato, Takuto Arai, Masataka Iizuka
Experimental Verification of Null-Space Expansion for Multiuser Massive MIMO Using Measured Channel State Information. VTC Fall (2016)
Takuto Arai, Atsushi Ohta, Satoshi Kurosaki, Kazuki Maruta, Tatsuhiko Iwakuni, Masataka Iizuka
Correlation-based user scheduling and multi-planar parallelogram array for Massive antenna systems. PIMRC (2016)
Atsushi Ohta, Ryota Kawashima, Hiroshi Matsuo
A Replication Protocol Supporting Multiple Consistency Models without Single Point of Failure. IEICE Trans. Inf. Syst. (12) (2016)
Lifeng He, Bin Yao, Xiao Zhao, Yun Yang, Yuyan Chao, Atsushi Ohta
A Graph-Theory-Based Algorithm for Euler Number Computing. IEICE Trans. Inf. Syst. (2) (2015)
Tatsuhiko Iwakuni, Kazuki Maruta, Atsushi Ohta, Yushi Shirato, Takuto Arai, Masataka Iizuka
Inter-user interference suppression in time varying channel with null-space expansion for multiuser massive MIMO. PIMRC (2015)
Atsushi Ohta, Ryota Kawashima, Hiroshi Matsuo
Deferred-Update Replication Supporting Multiple Consistency Models. CANDAR (2015)
Kazuki Maruta, Atsushi Ohta, Satoshi Kurosaki, Takuto Arai, Masataka Iizuka
A novel application of Massive MIMO: Massive Antenna Systems for Wireless Entrance (MAS-WE). ICNC (2015)
Kazuki Maruta, Atsushi Ohta, Satoshi Kurosaki, Takuto Arai, Masataka Iizuka
Experimental investigation of space division multiplexing on Massive Antenna Systems. ICC (2015)
Kazuki Maruta, Atsushi Ohta, Masataka Iizuka, Takatoshi Sugiyama
Applying FFR to Inter-Cell Interference Cancellation with Quasi-Decentralized Base Station Cooperation. VTC Spring (2014)
Bin Yao, Hua Wu, Yun Yang, Yuyan Chao, Atsushi Ohta, Haruki Kawanaka, Lifeng He
An Efficient Strategy for Bit-Quad-Based Euler Number Computing Algorithm. IEICE Trans. Inf. Syst. (5) (2014)
GuanJun Liu, Changjun Jiang, MengChu Zhou, Atsushi Ohta
PR: Complexity and Decision. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (8) (2013)
Noboru Tanabe, Atsushi Ohta
Network Interface Architecture with Scalable Low-Latency Message Receiving Mechanism. IEICE Trans. Inf. Syst. (12) (2013)
Atsushi Ohta, Kohkichi Tsuji
Decidability Analysis of Some Classes of Extended Function Petri Net. ICNC (2012)
Kazuki Maruta, Atsushi Ohta, Masataka Iizuka, Takatoshi Sugiyama
Spectral Efficiency Improvement of Fractional Frequency Reuse by Inter-Cell Interference Cancellation on Cooperative Base Station. IEICE Trans. Commun. (6) (2012)
Kazuki Maruta, Atsushi Ohta, Masataka Iizuka, Takatoshi Sugiyama
Iterative Inter-Cluster Interference Cancellation for Cooperative Base Station Systems. VTC Spring (2012)
Hironori Nakajo, Keisuke Koike, Atsushi Ohta, Kohta Ohshima, Kaori Fujinami
Reconfigurable Android with an FPGA Accelerator for the Future Embedded Devices. ICNC (2011)
Atsushi Ohta, Kohkichi Tsuji
Verifying Structurally Weakly Persistent Net Is Co-NP Complete. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (12) (2011)
Takeshi Onizawa, Atsushi Ohta, Yusuke Asai
Experiments on FPGA-Implemented Eigenbeam MIMO-OFDM With Transmit Antenna Selection. IEEE Trans. Veh. Technol. 58 (3) (2009)
Takashi Maruyama, Kazuki Maruta, Atsushi Ohta, Masashi Nakatsugawa
Optimized dynamic resource allocation in frequency and spatial domains. VTC Fall (2009)
Atsushi Ohta, Kohkichi Tsuji
Computational Complexity of Liveness Problem of Normal Petri Net. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (11) (2009)
Riichi Kudo, Yasushi Takatori, Kentaro Nishimori, Atsushi Ohta, Shuji Kubota, Masato Mizoguchi
A New User Selection Measure in Block Diagonalization Algorithm for Multiuser MIMO Systems. IEICE Trans. Commun. (10) (2009)
Noboru Tanabe, Atsushi Ohta, Pulung Waskito, Hironori Nakajo
Network Interface Architecture for Scalable Message Queue Processing. ICPADS (2009)
Kazuki Maruta, Takashi Maruyama, Atsushi Ohta, Masashi Nakatsugawa
Inter-cluster interference canceller for multiuser MIMO distributed antenna systems. PIMRC (2009)
Naoki Honma, Riichi Kudo, Kentaro Nishimori, Yasushi Takatori, Atsushi Ohta, Shuji Kubota
Antenna Selection Method for Terminal Antennas Employing Orthogonal Polarizations and Patterns in Outdoor Multiuser MIMO System. IEICE Trans. Commun. (6) (2008)
Riichi Kudo, Yasushi Takatori, Atsushi Ohta, Kentaro Nishimori, Shuji Kubota
New Simple Capacity Estimation Method for Multiuser Block Diagonalization Transmission. VTC Spring (2007)
Riichi Kudo, Yasushi Takatori, Kentaro Nishimori, Atsushi Ohta, Shuji Kubota
User Selection Method for Block Diagonalization in Multiuser MIMO Systems. GLOBECOM (2007)
Yasushi Takatori, Riichi Kudo, Atsushi Ohta, Koichi Ishihara, Kentaro Nishimori, Shuji Kubota
New Robust Beamforming Method for Frequency Offsets in Uplink Multiuser OFDM-MIMO. IEICE Trans. Commun. (9) (2007)
Takeshi Onizawa, Takafumi Fujita, Yusuke Asai, Daisei Uchida, Atsushi Ohta, Satoru Aikawa
A Synchronization Scheme for Packet Mode MIMO-OFDM Signals in Wireless LAN. IEICE Trans. Commun. (1) (2007)
Atsushi Ohta, Yoshihiro Hamada, Akira Kitamura, Noboru Tanabe, Hideharu Amano, Hironori Nakajo
Implementation and Evaluation of Multicast Mechanism on Network Interface Plugged into a Memory Slot. PDPTA (2007)
Riichi Kudo, Yasushi Takatori, Kentaro Nishimori, Atsushi Ohta, Shuji Kubota
New Downlink Beamforming Method for Cooperative Multiple Access Point Systems. IEICE Trans. Commun. (9) (2007)
Masatomo Inui, Atsushi Ohta
Using a GPU to Accelerate Die and Mold Fabrication. IEEE Computer Graphics and Applications 27 (1) (2007)
Yusuke Asai, Wenjie Jiang, Takeshi Onizawa, Atsushi Ohta, Satoru Aikawa
A Simple and Feasible Decision-Feedback Channel Tracking Scheme for MIMO-OFDM Systems. IEICE Trans. Commun. (5) (2007)
Takeshi Onizawa, Atsushi Ohta, Yusuke Asai, Satoru Aikawa
Experimental Evaluation of Transmit Antenna Selection Implemented in FPGA for Eigenbeam MIMO-OFDM. PIMRC (2006)
Takeshi Onizawa, Atsushi Ohta, Yusuke Asai, Satoru Aikawa
Experimental Evaluation of Eigenbeam MIMO-OFDM Implemented in FPGA for Wireless LAN. VTC Spring (2006)
Yusuke Asai, Wenjie Jiang, Takeshi Onizawa, Satoru Aikawa, Daisei Uchida, Atsushi Ohta
A Simplified Decision-Feedback Channel Tracking Scheme for MIMO-OFDM Systems. VTC Fall (2006)
Atsushi Ohta, Chihiro Kato, Kohkichi Tsuji
Structural analysis of Petri nets with batch processing arcs. ISCAS (2006)
Takeshi Onizawa, Atsushi Ohta, Satoru Aikawa
Experimental Evaluation of Transmit Antenna Selection Implemented in FPGA for MIMO-OFDM. VTC Fall (2006)
Atsushi Ohta
Special Section on Concurrent/Hybrid Systems: Theory and Applications. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (11) (2006)
Takeshi Onizawa, Atsushi Ohta, Yusuke Asai, Satoru Aikawa
FPGA Implementation of Eigenbeam MIMO-OFDM for Wireless LAN and Its Experimental Performance. IEICE Trans. Commun. (12) (2006)
Kentaro Nishimori, Riichi Kudo, Yasushi Takatori, Atsushi Ohta, Koichi Tsunekawa
Performance Evaluation of 8×8 Multi-User MIMO-OFDM Testbed in an Actual Indoor Environment. PIMRC (2006)
Wenjie Jiang, Takeshi Onizawa, Atsushi Ohta, Satoru Aikawa
A Simplified Maximum Likelihood Detector for OFDM-SDM Systems in Wireless LAN. IEICE Trans. Commun. (6) (2005)
Atsushi Ohta, Kohkichi Tsuji, Tomiji Hisamura
Minimal time reachability problem of some subclasses of timed Petri nets. ISCAS (1) (2005)
Takafumi Fujita, Atsushi Ohta, Takeshi Onizawa, Takatoshi Sugiyama
A Reduced-Complexity Signal Detection Scheme Employing ZF and K-Best Algorithms for OFDM/SDM. IEICE Trans. Commun. (1) (2005)
Tukafunzi Fujita, Takeshi Onizawa, Wenjie Jiang, Daisei Uchida, Takatoshi Sugiyama, Atsushi Ohta
A new signal detection scheme combining ZF and K-best algorithms for OFDM/SDM. PIMRC (2004)
Atsushi Ohta, Kohkichi Tsuji
Unfolding of Petri nets with semilinear reachability set. ISCAS (4) (2004)
Atsushi Ohta, Kohkichi Tsuji
Insufficiently marked siphon of Petri nets - extension of token-free siphon. ISCAS (3) (2003)
Atsushi Ohta, Kohkichi Tsuji
NP-Hardness of Liveness Problem of Bounded Asymmetric Choice Net. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (5) (2002)
Toshihiro Manabe, Takatoshi Sugiyama, Atsushi Ohta, Fusao Nuno, Hiroyuki Suzuki, Shuta Uwano, Satoru Aikawa, Masahiro Umehira
Prototype AWA: design and implementation of a high speed ATM wireless access system using 25 GHz band. Comput. Networks 31 (9-10) (1999)
Masafumi Yoshioka, Atsushi Ohta, Yoichi Matsumoto, Masahiro Umehira
Automatic repeat request schemes for high-speed wireless access systems with constraint of finite control channel capacity. WCNC (1999)