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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS | 2024-06-20 14:15 |
Okinawa | (Primary: On-site, Secondary: Online) |
Study on Physical-Layer Encrypted Relay Transmission Method Using Group Key for Distributed Terminal Cooperative Communication Keita Ito, Eiji Okamoto (NITech) |
[more] | |
| RCS, SAT (Joint) |
2023-09-01 13:40 |
Nagano | Naganoken Nokyo Building, and online (Primary: On-site, Secondary: Online) |
Signal design of polar coded downlink NOMA satellite communication considering PAPR constraints Keita Ito, Yuto Hama, Hideki Ochiai (YNU)  RCS2023-122 |
Non-terrestrial network(NTN), consisting of high altitude platform station(HAPS) along with conventional geostationary s... [more] | RCS2023-122 pp.101-106 |
| 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) SAT2019-36 |
Polar codes asymptotically achieves theoretical channel capacity when code length is quite long, and have been adopted a... [more] | SAT2019-36 pp.105-110 |
| 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) SAT2019-1 |
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) IT2018-68 SIP2018-98 RCS2018-275 |
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) AP2018-109 RCS2018-186 |
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) RCS2018-144 |
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) SAT2018-47 |
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) RCS2018-40 |
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.) MRIS2018-8 |
[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) IT2017-68 SIP2017-76 RCS2017-282 |
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) SAT2017-13 |
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) EE2016-62 |
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.) MBE2014-68 |
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) DC2013-68 |
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.) AN2011-74 |
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) WIT2011-23 |
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.) AP2010-189 |
[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.) AP2010-190 |
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.) ED2010-192 SDM2010-227 |
[more] | ED2010-192 SDM2010-227 pp.1-5 |
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