Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
RCS |
2024-06-19 10:00 |
Okinawa |
(Primary: On-site, Secondary: Online) |
Study on Machine Learning-based Hazardous Material Detection in 300GHz Sub-THz Imaging Using Optical Image Training Data Shoma Shibata, Eiji Okamoto (nitech) |
[more] |
|
RCS |
2024-06-19 10:10 |
Okinawa |
(Primary: On-site, Secondary: Online) |
Study on Image Quality Enhancement Using Two-Step Adaptive Gamma Correction Method in 300 GHz Sub-THz Imaging Tsubasa Kato, Eiji Okamoto (Nitech) |
[more] |
|
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 |
2024-04-25 14:20 |
Hiroshima |
(Primary: On-site, Secondary: Online) |
A Study on Adaptive Beamwidth Control Method Using Vehicular Sensor and Map Information in 5G Millimeter-Wave Vehicle Communication System Tatkumi Eboshita, Eiji Okamoto (NITech) RCS2024-2 |
Millimeter-wave bands are considered for use in 5G because of its wide bandwidth, and it is expected to become an import... [more] |
RCS2024-2 pp.7-12 |
RCS, SR, SRW (Joint) |
2024-03-15 09:45 |
Tokyo |
The University of Tokyo (Hongo Campus), and online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Consideration of Space Network Utilization in 6G Eiji Okamoto (NITech) RCS2023-282 SR2023-105 SRW2023-69 |
Non-terrestrial networks (NTNs) are expected to be an effective means of “super coverage extension” to remote areas on t... [more] |
RCS2023-282 SR2023-105 SRW2023-69 p.131(RCS), p.63(SR), p.96(SRW) |
SS |
2024-03-07 11:25 |
Okinawa |
(Primary: On-site, Secondary: Online) |
Development of a Framework for Implementing OTP Applications with Rust Reiji Okamoto, Yoshiaki Takata (KUT) SS2023-51 |
Concurrent programming with the green threads in the programming language Rust is very costly for reasons such as the po... [more] |
SS2023-51 pp.13-18 |
SIP, IT, RCS |
2024-01-18 17:35 |
Miyagi |
(Primary: On-site, Secondary: Online) |
A Study on Decoding Performance Improvement by Using Non-binary LDPC Codes in Outer Channel Coding-Concatenated Chaos Coded Modulation Ryo Tozawa, Seiya Yamashita, Eiji Okamoto (NITech), Horiike Naoto, Tetsuya Yamamoto (Panasonic) IT2023-55 SIP2023-88 RCS2023-230 |
With the rapid expansion of the Internet of Things (IoT) in recent years, the need to improve the confidentiality of wir... [more] |
IT2023-55 SIP2023-88 RCS2023-230 pp.133-138 |
NS, RCS (Joint) |
2023-12-15 10:55 |
Fukuoka |
Kyushu Institute of Technology Tobata campus, and Online (Primary: On-site, Secondary: Online) |
A Study on Complexity Reduction of Signal Processing for Object Detection Using Sub-Terahertz Waves Taisei Kurahashi, Eiji Okamoto (NITech) RCS2023-196 |
Terahertz waves, which are expected to be used in 6G, have both a wide bandwidth and object transparency, and are expect... [more] |
RCS2023-196 pp.100-105 |
RCS, SAT (Joint) |
2023-08-31 16:20 |
Nagano |
Naganoken Nokyo Building, and online (Primary: On-site, Secondary: Online) |
[Encouragement Talk]
Comparative study of channel coding methods for performance improvement in next-generation optical satellite data relay system Eiji Okamoto, Yuma Yamashita (NITech), Yohei Satoh, Mitsuhiro Nakadai, Takamasa Itahashi, Shiro Yamakawa (JAXA) SAT2023-42 |
Optical satellite data relay systems which send high-capacity data observed by low-orbit user satellites to geostationar... [more] |
SAT2023-42 pp.41-45 |
SeMI, RCS, RCC, NS, SR (Joint) |
2023-07-12 10:50 |
Osaka |
Osaka University Nakanoshima Center + Online (Primary: On-site, Secondary: Online) |
A study on the application of Raptor codes in a relay transmission model for large-capacity data utilizing V2X Haruki Shimizu (NITech), Keitarou Kondou, Yozo Shoji (NICT), Eiji Okamoto (NITech) RCS2023-81 |
High-frequency radio waves, such as millimeter waves, which enable high-speed, large-capacity communications between rad... [more] |
RCS2023-81 pp.13-18 |
AP, SANE, SAT (Joint) |
2023-07-12 14:20 |
Hokkaido |
The Citizen Activity Center (Primary: On-site, Secondary: Online) |
Construction of high-efficient information reconciliation method using fixed bit polar codes for continuous-variable quantum key distribution Kensuke Yamaura (Nitech), Hiroyuki Endo (NICT), Eiji Okamoto (Nitech), Morio Toyoshima, Mikio Fujiwara, Masahide Sasaki (NICT) SAT2023-11 |
Continuous Variable Quantum Key Distribution (CV-QKD) is being studied for various applications, including satellite-to-... [more] |
SAT2023-11 pp.7-12 |
AP, SANE, SAT (Joint) |
2023-07-12 14:40 |
Hokkaido |
The Citizen Activity Center (Primary: On-site, Secondary: Online) |
Improvement of key generation efficiency of free-space optical physical layer cryptography using polar code Ryuto Terada (Nitech), Hiroyuki Endo (NICT), Kensuke Yamaura, Eiji Okamoto (Nitech), Mitsuo Kitamura (NICT), Ryosuke Shimizu (UEC), Morio Toyoshima, Mikio Hujiwara, Masahide Sasaki (NICT) SAT2023-12 |
Quantum key distribution is known as a secure key sharing technology against all physically possible attacks. However, t... [more] |
SAT2023-12 pp.13-18 |
SeMI, RCS, RCC, NS, SR (Joint) |
2023-07-13 09:25 |
Osaka |
Osaka University Nakanoshima Center + Online (Primary: On-site, Secondary: Online) |
A Study on Complexity Reduction of Bit Assignment and Performance Improvement by Channel Code Concatenation in Chaos Modulation Ryo Tozawa, Yuuki Mori, Seiya Yamashita, Eiji Okamoto (NITech), Tetsuya Yamamoto (Panasonic) RCS2023-86 |
In recent years, with the rapid increase of Internet of Things (IoT) devices in industries, healthcare, and other fields... [more] |
RCS2023-86 pp.33-38 |
RCS |
2023-06-14 10:10 |
Hokkaido |
Hokkaido University, and online (Primary: On-site, Secondary: Online) |
A Study on performance improvement of uplink multi user radio encypted MIMO transmission scheme using accurate probability calculation Seiya Yamashita, Yuki Mori, Ryo Tozawa, Eiji Okamoto (NITech), Tetsuya Yamamoto (Panasonic) RCS2023-32 |
Multi-user MIMO (MU-MIMO) is known as an effective multiple access method, and we have previously proposed a multi-user ... [more] |
RCS2023-32 pp.25-30 |
RCS |
2023-06-14 15:35 |
Hokkaido |
Hokkaido University, and online (Primary: On-site, Secondary: Online) |
A Study on Accurate Beam Tracking Method Using Vehicle Location Information in 5G Millimeter Wave Vehicle Communication System Takumi Eboshita, Eiji Okamoto (NIT) RCS2023-41 |
Millimeter-wave band having a wide bandwidth is being used in 5G, and is expected to be an important means of communicat... [more] |
RCS2023-41 pp.75-80 |
ITS, IEE-ITS |
2023-03-13 15:05 |
Chiba |
Nihon Univ., Funabashi Campus (Primary: On-site, Secondary: Online) |
A Study on Reducing Transmission Waiting Time Using Non-Orthogonal Multiple Access in UAV Uplink Communication System Daiki Ikeda, Eiji Okamoto (NITech) ITS2022-80 |
Recently, a multi-stage relay transmission system using unmanned aerial vehicles (UAV) has been proposed to efficiently ... [more] |
ITS2022-80 pp.6-11 |
ITS, IEE-ITS |
2023-03-13 15:30 |
Chiba |
Nihon Univ., Funabashi Campus (Primary: On-site, Secondary: Online) |
A Study on Coverage Extension Using Cooperative Relay Transmission in Uplink V2N Communication Akihiro Sonoda, Eiji Okamoto (NITech) ITS2022-81 |
Recently, cooperative relay transmission has been considered as a technology to extend the coverage of vehicular to netw... [more] |
ITS2022-81 pp.12-17 |
IT, RCS, SIP |
2023-01-24 10:25 |
Gunma |
Maebashi Terrsa (Primary: On-site, Secondary: Online) |
A Study on Bit Error Rate Improvement of Chaos Modulation By Bit Assignment Using Nonlinear Optimization Algorithm Ryo Tozawa, Keisuke Asano, Takumi Abe, Kenta Kato, Eiji Okamoto (NIT) IT2022-30 SIP2022-81 RCS2022-209 |
In recent years, the number of Internet of things (IoT) devices has increased and they are used in industrial and medica... [more] |
IT2022-30 SIP2022-81 RCS2022-209 pp.7-12 |
RCS, AP, UWT (Joint) |
2022-11-15 10:20 |
Fukuoka |
Kyushu University, and Online (Primary: On-site, Secondary: Online) |
A Study on Performance Improvement of Uplink Multi-User Chaos MIMO Transmission Scheme Kenta Kato, Keisuke Asano, Takumi Abe, Yuki Mori, Eiji Okamoto (NIT), Tetsuya Yamamoto (Panasonic) RCS2022-157 |
Internet of things (IoT) terminals have spread rapidly in recent years, and multi-user multiple-input multiple-output (M... [more] |
RCS2022-157 pp.13-18 |
RCS, AP, UWT (Joint) |
2022-11-15 11:00 |
Fukuoka |
Kyushu University, and Online (Primary: On-site, Secondary: Online) |
[Encouragement Talk]
A Study on Performance Improvement of Chaos Modulation-Concatenated Polar Codes with Multi-purpose Frozen Bits by Turbo Decoding Keisuke Asano, Takumi Abe, Kenta Kato, Yuki Mori, Eiji Okamoto (NIT), Tetsuya Yamamoto (Panasonic) RCS2022-158 |
The number of Internet of things (IoT) has been rapidly increasing and is expected to revolutionize industries and peopl... [more] |
RCS2022-158 pp.19-24 |