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All Technical Committee Conferences  (All Years)

Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 19 of 19  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
RCS, SAT
(Joint)
2019-08-23
11:25
Aichi Nagoya University [Encouragement Talk] A Study on Multi-rate Polar Coding Scheme in Free Space Optics
Keita Ito, Okamoto Eiji (NiTech), Takenaka Hideki, Kunimori Hiroo, Toyoshima Morio (NICT)
 [more]
WBS, SAT
(Joint)
2019-05-15
15:15
Aichi MEIJO University (Tempaku campus) Experiment and performance analysis of polar code transmission in terrestrial free space optics
Shingo Fujita, Keita Ito, Eiji Okamoto (NIT), Hideki Takenaka, Hiroo Kunimori, Hiroyuki Endo, Mikio Fujiwara, Mitsuo Kitamura, Masahide Sasaki, Morio Toyoshima (NICT)
In recent years, the demand on high speed communication is more rising. Satellite laser communication is one of the infr... [more] SAT2019-1
pp.1-6
RCS, SIP, IT 2019-02-01
15:10
Osaka Osaka University [Encouragement Talk] A study on polar code concatenation to chaos MIMO transmission scheme
Keita Ito, Okamoto Eiji, Masuda Yoshihiro (NITech), Yamamoto Tetsuya (panasonic)
For secure and high-quality wireless transmission, we have proposed a chaos-multiple-input multiple-output (C-MIMO) tran... [more] IT2018-68 SIP2018-98 RCS2018-275
pp.191-196
RCS, AP
(Joint)
2018-11-20
14:05
Okinawa Okinawa Industry Support Center [Invited Lecture] Performance analysis of large-scale non-orthogonal sparse chaos code multiple access scheme using GaBP algorithm
Eiji Okamoto, Yoshihiro Masuda, Keita Ito (NITech), Tetsuya Yamamoto (Panasonic)
As one of the main scenarios in the fifth generation mobile communications system (5G), a massive machine type communica... [more] AP2018-109 RCS2018-186
pp.41-46(AP), pp.49-54(RCS)
SAT, RCS
(Joint)
2018-08-10
11:15
Iwate Iwate University Performance analysis of non-orthogonal sparse chaos code multiple access scheme based on mutual information
Eiji Okamoto, Yoshihiro Masuda, Keita Ito (NITech), Tetsuya Yamamoto (Panasonic)
To realize massive machine type communications (mMTC) scenario which accommodates Internet of things (IoT) device connec... [more] RCS2018-144
pp.69-74
SAT, RCS
(Joint)
2018-08-10
17:10
Iwate Iwate University A Study on Polar Adaptive Coding Scheme in Free Space Optics
Keita Ito, Okamoto Eiji (NITech), Hideki Takenaka, Hiroo Kunimori, Toyoshima Morio (NICT)
It is strictly proved that Polar code asymptotically reaches channel capacity with long code length. It is decided that ... [more] SAT2018-47
pp.103-108
RCS 2018-06-20
14:20
Nagasaki Nagasaki University Study on Non-Orthogonal Multiple Access Scheme having Physical Layer Security
Yoshihiro Masuda, Eiji Okamoto (NIT), Tetsuya Yamamoto (Panasonic), Keita Ito (NIT)
Recently, the fifth generation mobile communication system (5G) that enables over 10 Gbps transmission is standardized a... [more] RCS2018-40
pp.31-36
MRIS, ITE-MMS 2018-06-07
16:35
Miyagi Tohoku Univ. Exchange bias using antiferromagnetic Heusler alloy films
Takahide Kubota, Tomoki Tsuchiya, Keita Ito, Tomoko Sugiyama (Tohoku Univ.), Yukiharu Takeda, Yuji Saitoh (JAEA), Akio Kimura (Hiroshima Univ.), Koki Takanashi (Tohoku Univ.)
 [more] MRIS2018-8
pp.43-47
SIP, IT, RCS 2018-01-22
13:30
Kagawa Sunport Hall Takamatsu A Study on Adaptive Coded Transmission Scheme using Polar Code
Keita Ito, Eiji Okamoto (NITech), Hideki Takenaka, Hiroo Kunimori, Morio Toyoshima (NICT)
Adaptive modulation and coding is one of the important fundamental technologies for wireless communications. It aims to ... [more] IT2017-68 SIP2017-76 RCS2017-282
pp.79-83
AP, SAT, SANE
(Joint)
2017-07-28
08:50
Aichi Nagoya Institute of Technology Study on Frozen Bit Determination Scheme for Polar Codes in Free Space Optical Communications
Keita Ito, Eiji Okamoto (NITech), Hideki Takenaka, Hiroo Kunimori, Morio Toyoshima (NICT)
In recent years, satellite laser communication is attracting much attention as an important infrastructure, because of i... [more] SAT2017-13
pp.35-40
EE 2017-01-26
14:45
Nagasaki Nagasaki University [Poster Presentation] Design of Regulator Circuit with Over-temperature Protection for Silicon Intelligent Neural Probes
Satoru Nishino (Nagasaki Institute of Applied Science Univ), Keita Ito, Yoshiki Takezawa, Kenji Shimokawa, Tatsuya Goto, Shoma Uno, Hisashi Kino, Tetsu Tanaka (TOHOKU Univ), Koji Kiyoyama (Nagasaki Institute of Applied Science Univ)
In recent years, there has been rapid development and increasing use of semiconductor technologies for recording from la... [more] EE2016-62
pp.75-79
MBE, NC
(Joint)
2014-11-22
09:25
Miyagi Tohoku University Development of Adjustable Gain-Bandwidth Bio-signal Recording LSI and Si Neural Probe Module
Takaharu Tani, Takuya Harashima, Hideki Naganuma, Misaki Kawahara, Takuma Iwagami, Keita Ito, Yusaku Suzuki, Taiki Goto, Hisashi Kino (Tohoku Univ.), Koji Kiyoyama (NiAS), Tetsu Tanaka (Tohoku Univ.)
In this paper, we have designed and evaluated an adjustable gain-bandwidth LNA and ADC circuit chip, and successfully fa... [more] MBE2014-68
pp.51-54
DC 2013-12-13
13:00
Ishikawa   Efficient Scan-Based BIST Architecture for Application-Dependent FPGA Test
Keita Ito, Tomokazu Yoneda, Yuta Yamato, Kazumi Hatayama, Michiko Inoue (NAIST)
This paper presents a scan-based BIST architecture for testing of application-dependent circuits configured on FPGA.
I... [more]
DC2013-68
pp.1-6
MoNA, AN, USN
(Joint)
2012-01-20
16:15
Mie Todaya (Toba) Study on a design and management scheme of flooding transmission power and data collection for wireless sensor networks
Keita Ito, Junya Nagashima, Akihide Utani, Hisao Yamamoto (Tokyo City Univ.)
Transmission power design method for flooding has been proposed to develop long-life wireless sensor network. This paper... [more] AN2011-74
pp.113-117
WIT 2011-08-04
11:00
Kyoto Sugiura Community Care Res. Center Development of a sound-chasing game to support physical exercise of visually impaired(VI)
Yoshikazu Ikegami, Keita Ito, Michiko Ohkura (S.I.T)
Many visually impaired have the desire for physical to exercise. However, they often cannot exercise for reasons that in... [more] WIT2011-23
pp.7-10
AP, MW
(Joint)
2011-03-04
10:30
Ibaraki Ibaraki Univ. Localization of Physical Optics Radiation Integrals in Scattering from a Rectangular Plate
Takayuki Kohama, Keita Ito, Makoto Ando (Tokyo Inst. of Tech.)
 [more] AP2010-189
pp.95-100
AP, MW
(Joint)
2011-03-04
10:55
Ibaraki Ibaraki Univ. Estimation of Radar Cross Section in Multiple Reflection Scatterers by Combination of Modified-Physical Optics and Iterative Physical Optics-The
Ryosuke Hasaba, Keita Ito (Tokyo Inst. of Tech.), Masakazu Hara (IHI Corp.), Makoto Ando (Tokyo Inst. of Tech.)
Recently, it is necessary to compute electromagnetic scattering at the high-frequencies In this paper, we analyze electr... [more] AP2010-190
pp.101-106
SDM, ED 2011-02-23
13:30
Hokkaido Hokkaido Univ. [Invited Talk] Toward Silicide-based solar cells and spintronics
Takashi Suemasu, Takanobu Saito, Atsushi Okada, Katsuaki Tou, M. Ajmal Khan, Du Weijie, Kenji Makabe, Keita Ito, Kazunori Harada (Univ. Tsukuba), Noritaka Usami (Tohoku Univ.)
 [more] ED2010-192 SDM2010-227
pp.1-5
WIT 2010-01-08
14:00
Tokyo Shibaura Univ. Development of an Interactive System for Visually Impaired utilizing Sense of Touch
Yoshikazu Ikegami, Keita Ito, Akira Izumiya, Tetsuro Aoto, Michiko Ohkura (Shibaura Inst. of Tech.)
In spite that superior abilities of visually impaired in sense of touch are confirmed in some studies, the number of sys... [more] WIT2009-72
pp.25-28
 Results 1 - 19 of 19  /   
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