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2020 – today
- 2020
[c28]Atsushi Ohta, Kohkichi Tsuji:
Computational Complexity of DECLARE Relation Problem for Sound non-Free-Choice Workflow Nets. SICE 2020: 1569-1574
2010 – 2019
- 2019
- [j29]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. 102-B(8): 1751-1762 (2019) - 2018
- [j28]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. 101-B(3): 877-884 (2018) - 2017
- [j27]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. 100-B(4): 594-601 (2017) - [j26]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. 100-B(5): 779-787 (2017) - [j25]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. 100-B(5): 865-873 (2017) - [j24]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. 100-B(8): 1436-1448 (2017) - 2016
- [j23]Atsushi Ohta, Ryota Kawashima, Hiroshi Matsuo:
A Replication Protocol Supporting Multiple Consistency Models without Single Point of Failure. IEICE Trans. Inf. Syst. 99-D(12): 3013-3023 (2016) - [j22]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): 1051 (2016) - [c27]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: 1-6 - [c26]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: 1-5 - 2015
- [j21]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. 98-D(2): 457-461 (2015) - [c25]Atsushi Ohta, Ryota Kawashima, Hiroshi Matsuo:
Deferred-Update Replication Supporting Multiple Consistency Models. CANDAR 2015: 610-612 - [c24]Kazuki Maruta, Atsushi Ohta, Satoshi Kurosaki, Takuto Arai, Masataka Iizuka:
Experimental investigation of space division multiplexing on Massive Antenna Systems. ICC 2015: 2042-2047 - [c23]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: 331-335 - [c22]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: 558-562 - 2014
- [j20]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. 97-D(5): 1374-1378 (2014) - [c21]Kazuki Maruta, Atsushi Ohta, Masataka Iizuka, Takatoshi Sugiyama:
Applying FFR to Inter-Cell Interference Cancellation with Quasi-Decentralized Base Station Cooperation. VTC Spring 2014: 1-5 - 2013
- [j19]GuanJun Liu, Changjun Jiang, MengChu Zhou, Atsushi Ohta:
The Liveness of WS3PR: Complexity and Decision. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 96-A(8): 1783-1793 (2013) - [j18]Noboru Tanabe, Atsushi Ohta:
Network Interface Architecture with Scalable Low-Latency Message Receiving Mechanism. IEICE Trans. Inf. Syst. 96-D(12): 2536-2544 (2013) - 2012
- [j17]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. 95-B(6): 2164-2168 (2012) - [c20]Atsushi Ohta, Kohkichi Tsuji:
Decidability Analysis of Some Classes of Extended Function Petri Net. ICNC 2012: 414-419 - [c19]Kazuki Maruta, Atsushi Ohta, Masataka Iizuka, Takatoshi Sugiyama:
Iterative Inter-Cluster Interference Cancellation for Cooperative Base Station Systems. VTC Spring 2012: 1-5 - 2011
- [j16]Atsushi Ohta, Kohkichi Tsuji:
Verifying Structurally Weakly Persistent Net Is Co-NP Complete. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 94-A(12): 2832-2835 (2011) - [c18]Hironori Nakajo, Keisuke Koike, Atsushi Ohta, Kohta Ohshima, Kaori Fujinami:
Reconfigurable Android with an FPGA Accelerator for the Future Embedded Devices. ICNC 2011: 173-178
2000 – 2009
- 2009
- [j15]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. 92-B(10): 3206-3218 (2009) - [j14]Atsushi Ohta, Kohkichi Tsuji:
Computational Complexity of Liveness Problem of Normal Petri Net. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 92-A(11): 2717-2722 (2009) - [j13]Takeshi Onizawa, Atsushi Ohta, Yusuke Asai:
Experiments on FPGA-Implemented Eigenbeam MIMO-OFDM With Transmit Antenna Selection. IEEE Trans. Veh. Technol. 58(3): 1281-1291 (2009) - [c17]Noboru Tanabe, Atsushi Ohta, Pulung Waskito, Hironori Nakajo:
Network Interface Architecture for Scalable Message Queue Processing. ICPADS 2009: 268-275 - [c16]Kazuki Maruta, Takashi Maruyama, Atsushi Ohta, Masashi Nakatsugawa:
Inter-cluster interference canceller for multiuser MIMO distributed antenna systems. PIMRC 2009: 3079-3083 - [c15]Takashi Maruyama, Kazuki Maruta, Atsushi Ohta, Masashi Nakatsugawa:
Optimized dynamic resource allocation in frequency and spatial domains. VTC Fall 2009 - 2008
- [j12]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. 91-B(6): 1752-1759 (2008) - 2007
- [j11]Masatomo Inui, Atsushi Ohta:
Using a GPU to Accelerate Die and Mold Fabrication. IEEE Computer Graphics and Applications 27(1): 82-88 (2007) - [j10]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. 90-B(1): 92-104 (2007) - [j9]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. 90-B(5): 1052-1060 (2007) - [j8]Riichi Kudo, Yasushi Takatori, Kentaro Nishimori, Atsushi Ohta, Shuji Kubota:
New Downlink Beamforming Method for Cooperative Multiple Access Point Systems. IEICE Trans. Commun. 90-B(9): 2303-2311 (2007) - [j7]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. 90-B(9): 2312-2320 (2007) - [c14]Riichi Kudo, Yasushi Takatori, Kentaro Nishimori, Atsushi Ohta, Shuji Kubota:
User Selection Method for Block Diagonalization in Multiuser MIMO Systems. GLOBECOM 2007: 3295-3300 - [c13]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: 787-793 - [c12]Riichi Kudo, Yasushi Takatori, Atsushi Ohta, Kentaro Nishimori, Shuji Kubota:
New Simple Capacity Estimation Method for Multiuser Block Diagonalization Transmission. VTC Spring 2007: 1836-1840 - 2006
- [j6]Atsushi Ohta:
Special Section on Concurrent/Hybrid Systems: Theory and Applications. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 89-A(11): 3165 (2006) - [j5]Takeshi Onizawa, Atsushi Ohta, Yusuke Asai, Satoru Aikawa:
FPGA Implementation of Eigenbeam MIMO-OFDM for Wireless LAN and Its Experimental Performance. IEICE Trans. Commun. 89-B(12): 3233-3241 (2006) - [c11]Atsushi Ohta, Chihiro Kato, Kohkichi Tsuji:
Structural analysis of Petri nets with batch processing arcs. ISCAS 2006 - [c10]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: 1-5 - [c9]Takeshi Onizawa, Atsushi Ohta, Yusuke Asai, Satoru Aikawa:
Experimental Evaluation of Transmit Antenna Selection Implemented in FPGA for Eigenbeam MIMO-OFDM. PIMRC 2006: 1-5 - [c8]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: 1-5 - [c7]Takeshi Onizawa, Atsushi Ohta, Satoru Aikawa:
Experimental Evaluation of Transmit Antenna Selection Implemented in FPGA for MIMO-OFDM. VTC Fall 2006: 1-5 - [c6]Takeshi Onizawa, Atsushi Ohta, Yusuke Asai, Satoru Aikawa:
Experimental Evaluation of Eigenbeam MIMO-OFDM Implemented in FPGA for Wireless LAN. VTC Spring 2006: 1782-1786 - 2005
- [j4]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. 88-B(1): 66-75 (2005) - [j3]Wenjie Jiang, Takeshi Onizawa, Atsushi Ohta, Satoru Aikawa:
A Simplified Maximum Likelihood Detector for OFDM-SDM Systems in Wireless LAN. IEICE Trans. Commun. 88-B(6): 2427-2437 (2005) - [c5]Atsushi Ohta, Kohkichi Tsuji, Tomiji Hisamura:
Minimal time reachability problem of some subclasses of timed Petri nets. ISCAS (1) 2005: 760-763 - 2004
- [c4]Atsushi Ohta, Kohkichi Tsuji:
Unfolding of Petri nets with semilinear reachability set. ISCAS (4) 2004: 501-504 - [c3]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: 2387-2391 - 2003
- [c2]Atsushi Ohta, Kohkichi Tsuji:
Insufficiently marked siphon of Petri nets - extension of token-free siphon. ISCAS (3) 2003: 244-247 - 2002
- [j2]Atsushi Ohta, Kohkichi Tsuji:
NP-Hardness of Liveness Problem of Bounded Asymmetric Choice Net. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 85-A(5): 1071-1074 (2002)
1990 – 1999
- 1999
- [j1]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): 919-930 (1999) - [c1]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: 447-451
Coauthor Index
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