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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS | 2014-06-18 16:30 |
Okinawa | Okinawa-ken Seinenkaikan (Naha) | Experimental Investigation for Massive Antenna Systems for Wireless Entrance (MAS-WE) with Parallelogram Array Antennas
-- Experimental extension for massive MIMO channel measurement and its basic performance evaluation results -- Atsushi Ohta, Kazuki Maruta, Takuto Arai, Satoshi Kurosaki, Tatsuhiko Iwakuni, Masataka Iizuka (NTT)  RCS2014-79 |
The authors have proposed Massive Antenna Systems for Wireless Entrance (MAS-WE) and effectiveness of the proposed syste... [more] | RCS2014-79 pp.275-280 |
| RCS | 2014-06-18 16:50 |
Okinawa | Okinawa-ken Seinenkaikan (Naha) | Experimental Investigation of Massive Antenna Systems for Wireless Entrance (MAS-WE) with Parallelogram Array Antennas
-- Performance evaluation for MAS-WE for higher order spatial division multiplexing -- Kazuki Maruta, Atsushi Ohta, Takuto Arai, Satoshi Kurosaki, Tatsuhiko Iwakuni, Masataka Iizuka (NTT) RCS2014-80 |
We have proposed Massive Antenna Systems for Wireless Entrance (MAS-WE) and verified its effectiveness through computer ... [more] | RCS2014-80 pp.281-286 |
| RCS | 2014-04-17 10:45 |
Aichi | Nagoya Institute of Technology | A challenge for further capacity enhancement of Massive Antenna Systems (MAS)
-- Antenna arrangement optimization approach to reducie channel vector correlation -- Takuto Arai, Atsushi Ohta, Satoshi Kurosaki, Kazuki Maruta, Tatsuhiko Iwakuni, Masataka Iizuka (NTT) RCS2014-1 |
The authors have proposed Massive Antenna Systems for Wireless Entrance (MAS-WE) and effectiveness of the proposed syste... [more] | RCS2014-1 pp.1-6 |
| SS, MSS | 2014-01-30 17:05 |
Aichi | Modeling and Analysis of Quantum Circuits by using Extended Petri Nets Kenta Muranushi, Atsushi Ohta, Kohkichi Tsuji (Aichi Pref. Univ.) MSS2013-60 SS2013-57 |
Quantum computers came to attention since the Shor's algorithm showed that they have the computing power superior to con... [more] | MSS2013-60 SS2013-57 pp.53-58 |
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| RCS, SIP | 2014-01-23 13:00 |
Fukuoka | Kyushu Univ. | Experimental Investigation of Massive Antenna Systems for Wireless Entrance Links (MAS-WE)
-- Link level evaluation using measurement channel state information -- Kazuki Maruta, Atsushi Ohta, Satoshi Kurosaki, Takuto Arai, Tatsuhiko Iwakuni, Masataka Iizuka (NTT) SIP2013-92 RCS2013-262 |
We have proposed inter-user interference (IUI) suppression method and simple user scheduling method for Massive Antenna ... [more] | SIP2013-92 RCS2013-262 pp.41-46 |
| RCS | 2013-06-21 11:30 |
Hokkaido | Hokkaido Univ. | Experimental Investigation for Massive Antenna Systems for Wireless Entrance Links (MAS-WE)
-- Basic Characteristics and Feasibility Investigation for MAS-WE -- Atsushi Ohta, Kazuki Maruta, Satoshi Kurosaki, Takuto Arai, Masataka Iizuka (NTT) RCS2013-71 |
In the previous report, the authors have proposed massive antenna systems for wireless entrance (MAS-WE), which equip a ... [more] | RCS2013-71 pp.199-204 |
| RCS | 2013-06-21 11:50 |
Hokkaido | Hokkaido Univ. | Experimental Investigation of Massive Antenna Systems for Wireless Entrance Links (MAS-WE)
-- Potential Investigation of Higher Order Space Division Multiplexing for MAS-WE -- Kazuki Maruta, Atsushi Ohta, Satoshi Kurosaki, Takuto Arai, Masataka Iizuka (NTT) RCS2013-72 |
We have proposed inter-user interference (IUI) suppression method and simple user scheduling method for Massive Antenna ... [more] | RCS2013-72 pp.205-210 |
| RCS | 2013-04-18 13:00 |
Okinawa | Ishigaki City Hall | Basic concept and Technology of Massive Antenna Systems for Wireless Entrance Links
-- A proposal of a new approach for multi-user MIMO -- Atsushi Ohta, Kazuki Maruta, Satoshi Kurosaki, Takuto Arai, Masataka Iizuka (NTT) RCS2013-5 |
For establishing 5G small cell base stations with massive MIMO technique, this paper discusses which communication schem... [more] | RCS2013-5 pp.25-30 |
| RCS | 2013-04-18 13:25 |
Okinawa | Ishigaki City Hall | Basic concept and Technology of Massive Antenna Systems for Wireless Entrance Links (MAS-WE)
-- Performance evaluation of the MAS-WE with computer simulations -- Kazuki Maruta, Atsushi Ohta, Satoshi Kurosaki, Takuto Arai, Masataka Iizuka (NTT) RCS2013-6 |
We have proposed Massive Antenna Systems for Wireless Entrance (MAS-WE) on which the entrance base station employs a lar... [more] | RCS2013-6 pp.31-36 |
| SR, RCS, SRW (Joint) |
2012-03-09 16:40 |
Kanagawa | YRP | Impact of Imperfect Channel State Information on Cooperative Inter-Cell Interference Cancellation with FFR Kazuki Maruta, Atsushi Ohta, Masataka Iizuka, Takatoshi Sugiyama (NTT) RCS2011-354 |
This paper evaluates the impact of imperfect channel state information (CSI) on proposed cooperative inter-cell interfer... [more] | RCS2011-354 pp.229-234 |
| CAS, MSS | 2011-11-17 14:50 |
Yamaguchi | Univ. of Yamaguchi | On some algorithm to verify trap ccontaining circuit nets. Atsushi Ohta, Kohkichi Tsuji (Aichi Pref. Univ.) CAS2011-68 MSS2011-37 |
Petri net is a graphical and mathematical modeling tool for concurrent systems. Analysis of general Petri net requires ... [more] |
CAS2011-68 MSS2011-37 pp.25-30 |
| AP, RCS (Joint) |
2011-11-16 13:00 |
Aichi | Nagoya Congress Center | Spectral Efficiency Improvement of Fractional Frequency Reuse by Cooperative Inter-Cell Interference Cancellation Kazuki Maruta, Atsushi Ohta, Masataka Iizuka, Takatoshi Sugiyama (NTT) RCS2011-196 |
This paper newly proposes applying our inter-cell interference cancellation method achieved by simple linear processing ... [more] | RCS2011-196 pp.43-48 |
| MSS | 2011-01-20 10:55 |
Yamaguchi | Kaikyo-Messe-Shimonoseki | Suggestion for Control of Multi-Car Elevators Intending Rolls between shafts Hidetomo Suzuki, Daiichi Sugiyama (Aichi Prefectural Grad.), Atsushi Ohta, Kohkichi Tsuji (Aichi Prefectural Univ.) CST2010-62 |
In recent years, Multi-Car Elevators with cars in a shaft have been needed in the field of high-rise building．Some contr... [more] | CST2010-62 pp.21-24 |
| AP, RCS (Joint) |
2010-11-12 09:55 |
Fukui | Fukui Univ. | Improved Inter-Cluster Interference Cancellation for Multiuser MIMO Distributed Antenna Systems Kazuki Maruta, Takashi Maruyama, Atsushi Ohta, Jun Mashino, Masataka Iizuka (NTT) RCS2010-150 |
Distributed Antenna Systems (DASs) are being studied to improve frequency resource utilization. In these systems, neighb... [more] | RCS2010-150 pp.51-56 |
| CAS, MSS, VLD, SIP | 2010-06-22 12:30 |
Hokkaido | Kitami Institute of Technology | Polynomial Time Solvability of Liveness Problem of Structurally Weakly Persistent Net Atsushi Ohta (Aichi Pref. Univ.), GuanJiu Liu (Tongji Univ.), Kohkichi Tsuji (Aichi Pref. Univ.), ChangJun Jiang (Tongji Univ.), Daniel Y. Chao (Natl. Chengchi Univ.) CAS2010-23 VLD2010-33 SIP2010-44 CST2010-23 |
Petri net is a graphical and mathematical modeling tool for concurrent systems. Liveness problem is one of the important... [more] | CAS2010-23 VLD2010-33 SIP2010-44 CST2010-23 pp.127-132 |
| MSS | 2010-01-22 10:45 |
Aichi | Toyota Central R&D Labs. | Proposal and Examination of Colored Petri Nets Simulation Model Intended for Emergency Medical System Hideharu Tomizawa, Masahiro Nagai, Atsushi Ohta (Aichi Prefectural Univ.) CST2009-48 |
Recently, the problems occurs to a prompt consultation as for Emergency Medical System that has raised big result as lar... [more] | CST2009-48 pp.61-66 |
| RCS, SIP | 2010-01-21 15:40 |
Fukuoka | Kyushu Univ. | Spectral Efficiency Improvement with Inter-Cluster Interference Canceling for Multiuser-MIMO Distributed Antenna Systems Kazuki Maruta, Takashi Maruyama, Atsushi Ohta, Jun Mashino, Masashi Nakatsugawa (NTT Corp.) SIP2009-97 RCS2009-231 |
Distributed Antenna Systems (DAS) have been studied as a method to enable effective frequency resources utilization. Nei... [more] | SIP2009-97 RCS2009-231 pp.139-144 |
| MSS, CAS | 2009-11-26 10:45 |
Aichi | Nagoya University | On a new model for Quantum Computers by using Quantum Petri Nets Shinsuke Ito, Atsushi Ohta, Kohkichi Tsuji (Aichi Pref. Univ.) CAS2009-45 CST2009-18 |
Quantum computers have been expected to run faster than classical ones since the algorithm for prime factorization etc. ... [more] | CAS2009-45 CST2009-18 pp.1-6 |
| MSS | 2009-06-04 15:15 |
Osaka | Setsunan University, Osaka Center | Modeling and Analysis of Quantum Turing Machine by using Coloured Quantum Petri Nets Shinsuke Ito (Graduate School, Aichi Pref. Univ.), Atsushi Ohta, Kohkichi Tsuji (Aichi Pref. Univ.) CST2009-10 |
Quantum computers have been expected to run faster than classical ones since the algorithm for prime factorization and e... [more] | CST2009-10 pp.53-58 |
| MSS | 2008-08-04 15:05 |
Shizuoka | Shizuoka University (Hamamatsu Campus), Faculty of Engineering | Analysis of Communication Protocol using Net Model Masahiro Ueda (TTDC), Atsushi Ohta, Kohkichi Tsuji (Aichi Pref. Univ.) CST2008-16 |
Petri net is a graphical and mathematical modeling tool for concurrent systems.In this paper, Petri net model of com... [more] |
CST2008-16 pp.23-28 |
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