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All Technical Committee Conferences (Searched in: Recent 10 Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SR | 2025-01-30 15:25 |
Kagawa | Sunport Takamatsu (Primary: On-site, Secondary: Online) |
[Technology Exhibit]
High-Performance Radio Propagation Estimation Tool Using Color Images Method Takahiro Tomie, Satoshi Suyama, Koshiro Kitao, Nobuaki Kuno (NTT DOCOMO)  SR2024-74 |
Recently, research and development for the realization of 6th generation mobile communication systems (6G) are carried o... [more] | SR2024-74 pp.30-35 |
| EMCJ | 2025-01-23 13:50 |
Kochi | Kochijo Holl | Development of a Simplified Smartphone Model for Radiofrequency Dosimetry Based on Measured SAR Data Erina Kawai (NICT/Chiba Univ.), Kazuyuki Saito (Chiba Univ./NICT), Masaharu Takahashi (Chiba Univ.), Tomoaki Nagaoka (NICT) EMCJ2024-92 |
In recent years, the rapid advancement of wireless communication devices, particularly smartphones, has highlighted the ... [more] | EMCJ2024-92 pp.1-5 |
| EMM | 2025-01-22 11:15 |
Miyagi | Tohoku Univ. | Experiment of the effect of foveated rendering on the visual perception in computer-generated hologram Arisa Muramoto, Ryo Yoshioka, Takahiro Yamanoi, Yuji Sakamoto (Hokkaido Univ.) EMM2024-114 |
Holography is an ideal 3D display technology for stereoscopic viewing. Since the amount of calculation required for gene... [more] | EMM2024-114 pp.66-71 |
| ED | 2024-12-05 16:00 |
Aichi | WINC AICHI | Calculating the emission pattern of carbon nanotubes (Part 2)
-- Comparison of periodic and non-periodic calculation codes using the hydrogen atom as a model -- Toshiharu Higuchi, Yoichi Yamada, Masahiro Sasaki (Univ. of Tsukuba) ED2024-45 |
When we calculated the emission current pattern of carbon nanotubes (CNTs) under periodic and non-periodic boundary cond... [more] | ED2024-45 pp.19-22 |
| AP | 2024-10-17 12:50 |
Fukuoka | ACROS Fukuoka (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Analysis of Frequency Characteristics of Leaf Attenuation Yoshiki Nakanishi (Doshisha Univ.), Shigeo Gotoh (Doshisha Univ./Panasonic Corp.), Hisato Iwai, Shinsuke Ibi (Doshisha Univ.) AP2024-106 |
This paper presents the frequency characteristics of propagation loss due to tree leaves. In wireless communication, rad... [more] | AP2024-106 pp.137-138 |
| SIS, ITE-BCT | 2024-10-04 13:00 |
Hokkaido | Hokusei Gakuen Univ. (Primary: On-site, Secondary: Online) |
Simplified numerical smartphone model for evaluating electromagnetic radiation exposure
-- Application to SAR calculations by use of numerical human body models -- Erina Kawai, Kazuyuki Saito (NICT/Chiba Univ.), Masaharu Takahashi (Chiba Univ.), Tomoaki Nagaoka (NICT) |
With the recent spread of wireless communication devices such as smartphones, it is important to evaluate electromagneti... [more] | |
| RCS | 2024-04-26 09:55 |
Hiroshima | (Primary: On-site, Secondary: Online) |
Performance Improvement by Dimensionality Reduction of Interference Subspace on One-Shot Null-Space Expansion for Massive MIMO Soya Nakamura, Yuki Sasaki, Kazuki Maruta (Tokyo Univ. of Science) RCS2024-7 |
Massive MIMO Null Space Expansion (NSE) is effective multiuser precoding scheme in time-varying channels，taking advantag... [more] | RCS2024-7 pp.32-37 |
| AP | 2024-02-15 14:00 |
Mie | Sinfonia Technology Hibiki Hall Ise (Primary: On-site, Secondary: Online) |
[Tutorial Lecture]
Estimation of Radio Propagation Characteristics Using the Color Images Method Tomie Takahiro, Satoshi Suyama, Koshiro Kitao, Nobuaki Kuno (NTT DOCOMO, INC.) AP2023-189 |
Currently, research and development of realization of the 6th generation mobile communication system (6G) are carried ou... [more] | AP2023-189 pp.11-16 |
| AP | 2023-12-14 13:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
Performance Improvement of TOF and DOA Estimation in UWB Wireless System Using 2D-FOCUSS with Beamspace Processing Kento Kataoka (Tokai Rika), Nobuyoshi Kikuma (NIT), Yoshiki Oishi, Tatsuya Koike, Kenichi Koga (Tokai Rika), Kunio Sakakibara, Yoshiki Sugimoto (NIT) AP2023-155 |
The PN correlation method can estimate TOF (Time of Flight) with high accuracy in the UWB wireless system. Moreover, it ... [more] | AP2023-155 pp.1-6 |
| ED | 2023-12-07 15:15 |
Aichi | WINC AICHI | Calculating the emission pattern of carbon nanotubes
-- Comparison of time-dependent density functional theory and density functional theory -- Toshiharu Higuchi, Yoichi Yamada, Masahiro Sasaki (Univ. of Tsukuba) ED2023-42 |
We are investigating methods to calculate the emission current pattern of carbon nanotubes. We calculated emission curre... [more] | ED2023-42 pp.15-18 |
| AP | 2023-10-20 15:45 |
Iwate | Iwate University (Primary: On-site, Secondary: Online) |
TOF and DOA Estimation from Signal Source in Multipath Environments of UWB Wireless System Using 2D-FOCUSS with Beamspace Processing Kento Kataoka (Tokai Rika), Nobuyoshi Kikuma (NIT), Yoshiki Oishi, Tatsuya Koike, Kenichi Koga (Tokai Rika), Kunio Sakakibara, Yoshiki Sugimoto (NIT) AP2023-128 |
The PN correlation method can estimate TOF (Time of Flight) with high accuracy in the UWB wireless system. Moreover, it ... [more] | AP2023-128 pp.158-163 |
| MIKA (3rd) |
2023-10-11 14:30 |
Okinawa | Okinawa Jichikaikan (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Dimensionality reduction of interference subspace on one-shot null-space expansion for massive MIMO Soya Nakamura, Yuki Sasaki, Maruta Kazuki (Tokyo Univ.Science) |
Massive MIMO Null Space Expansion (NSE) is effective multiuser precoding scheme in time-varying channels，taking advantag... [more] | |
| ED | 2022-12-09 15:00 |
Aichi | 12/8 Nagoya University, 12/9 WINC AICHI | Ab initio calculations of field emission from carbon nanotubes based on time-dependent density functional theory Toshiharu Higuchi, Yoichi Yamada, Masahiro Sasaki (Tsukuba Univ.) ED2022-67 |
In order to investigate the emission mechanism of carbon nanotubes (CNTs)，we calculated the field emission currents of 9... [more] | ED2022-67 pp.55-58 |
| RECONF | 2022-06-08 15:25 |
Ibaraki | CCS, Univ. of Tsukuba (Primary: On-site, Secondary: Online) |
A Compact High-Speed CNN Implementation based on Redundant Computational Analysis and FPGA Acceleration Li Qi, Li Hengyi, Meng Lin (Ritsumeikan Univ.) RECONF2022-21 |
Convolutional Neural Networks (CNNs) have achieved high performance and are widely used in various applications. However... [more] | RECONF2022-21 pp.89-94 |
| IN, RCS, NV (Joint) |
2022-05-27 16:00 |
Kanagawa | Keio University (Hiyoshi Campus) (Primary: On-site, Secondary: Online) |
Apporoximation Betweenness Centrality focusing on paths affected by the connection of two graph Kaito Miyakoshi, Kunitake Kaneko (Keio Univ.) IN2022-11 |
Betweenness Centrality(BC) is an importance measure that expresses the number of times a target vertex is included in th... [more] | IN2022-11 pp.50-55 |
| SWIM | 2022-02-18 15:00 |
Online | Online | Shortening the Time to Calculate Parts Requirements in Small Manufacturing Companies Masami Muramatsu, Akihiro Hayashi (SIST) SWIM2021-36 |
CompanyA, a small manufacturing company, had been deciding the quantity of parts to be procured based on the experience ... [more] | SWIM2021-36 pp.37-43 |
| R, EMD | 2022-02-10 15:35 |
Online | Online | Investigation by numerical simulation of flow velocity of air blowing to electrical contact gap and its effect on break arcs Takashige Okuno, Junya Sekikawa (Shizuoka Univ.) R2021-45 EMD2021-13 |
In the interruption of DC high voltage circuits, it is desirable to extinguish the arc at the opening of the contacts in... [more] | R2021-45 EMD2021-13 pp.12-17 |
| EMT, IEE-EMT | 2021-05-21 13:50 |
Online | Online | Development of high-precision numerical calculation method for double infinite integrals appearing in the aperture coupling problem Yu Iwagaki, Hirohide Serizawa (NIT, Numazu Col.) EMT2021-4 |
In this study, we consider fast and accurate calculation algorithms to compute double infinite integrals whose integrand... [more] | EMT2021-4 pp.19-24 |
| AP, SANE, SAT (Joint) |
2020-07-16 11:35 |
Online | Online | [Invited Lecture]
Consideration on Efficient Calculation of Ray-Tracing Based on Simple Modeling of Actual Environment and Restriction of Propagation Paths Kentaro Yamane, Hisato Iwai, Shinsuke Ibi (Doshisha Univ.) AP2020-16 |
In this paper, we consider an efficient calculation method of ray-tracing based on simple modeling of actual environment... [more] | AP2020-16 pp.39-44 |
| ED | 2019-11-21 13:25 |
Tokyo | Field emission current from carbon nanotubes calculated by time-dependent density functional theory Toshiharu Higuchi, Yoichi Yamada, Masahiro Sasaki (Tsukuba Univ.) ED2019-60 |
We calculated the field emission current of three types of carbon nanotubes; (5,5) armchair, (9,0) zigzag and (7,0) zigz... [more] | ED2019-60 pp.5-8 |
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