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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| RCS | 2024-06-19 11:10 |
Okinawa | (Primary: On-site, Secondary: Online) |
Evaluation of Information Set Optimization for Neural Network Decoder for Polar Codes and Convolutional Polar Codes Yuto Nakamura (Kagawa Univ.), Satoshi Suyama, Satoshi Nagata (DOCOMO), Nobuhiko Miki (Kagawa Univ.) |
[more] | |
| RCS | 2024-06-21 13:10 |
Okinawa | (Primary: On-site, Secondary: Online) |
Beam Selection Algorithm using Digital Null Beamforming in order to make RIS-oriented beam Dan Mohri, Satoshi Suyama, Huilling Jiang (NTT DOCOMO) |
[more] | |
| CQ, CS (Joint) |
2024-05-17 11:30 |
Aichi | (Primary: On-site, Secondary: Online) |
[Special Invited Talk]
Wireless Communication Quality Prediction Using Physical Space Information Hisashi Nagata, Riichi Kudo, Kahoko Takahashi, Takafumi Fujita (NTT), Yuya Aoki, Yoshifumi Morihiro (NTT DOCOMO INC.) |
[more] | |
| AP | 2024-03-15 09:35 |
Fukui | UNIVERSITY OF FUKUI (Primary: On-site, Secondary: Online) |
Propagation Measurement between Outdoor Base Stations and Houses to Improve Indoor Radio Wave Environment Keiya Uchida, Masashi Yamamoto, Yuki Inoue (NTT DOCOMO, INC.), Takahiro Shimizu, Koichi Maruyama, Kyoichi Masaki, Katsuki Higashi (YKK AP)  AP2023-210 |
In recent years, insulation structures using metal materials have been adopted in homes to achieve high thermal insulati... [more] | AP2023-210 pp.51-56 |
| RCS, SR, SRW (Joint) |
2024-03-15 13:50 |
Tokyo | The University of Tokyo (Hongo Campus), and online (Primary: On-site, Secondary: Online) |
Time-Varying Channel Prediction Considering Angle-of-Arrival Variation for Hybrid Massive MIMO Communications Yuki Ono, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Tech), Satoshi Suyama, Takahiro Asai (NTT DOCOMO) RCS2023-287 |
For 5G massive MIMO systems, hybrid beamforming (HB), which is composed of analog beamforming (AB) and digital beamformi... [more] | RCS2023-287 pp.146-151 |
| IE, MVE, CQ, IMQ (Joint) [detail] |
2024-03-15 15:10 |
Okinawa | Okinawa Sangyo Shien Center (Primary: On-site, Secondary: Online) |
The Effect of Virtual Hand on User Experience and Performance of Virtual Keypad with Self-Haptics Daiki Hagimori, Yuki Yamada, Kenichiro Kawamoto (NTT DOCOMO) IMQ2023-80 IE2023-135 MVE2023-109 |
(To be available after the conference date) [more] | IMQ2023-80 IE2023-135 MVE2023-109 pp.358-363 |
| SIP, SP, EA, IPSJ-SLP [detail] | 2024-02-29 16:25 |
Okinawa | (Primary: On-site, Secondary: Online) |
Development of the mental disorder estimation model using voice Kaho Kato, Akihiko Takashima, Kei Kikuiri, Takeshi Yoshimura (NTT docomo) EA2023-74 SIP2023-121 SP2023-56 |
It is known that early dealing with psychological stress prevents the mental disorder such as depression from developing... [more] | EA2023-74 SIP2023-121 SP2023-56 pp.79-84 |
| SeMI, IPSJ-UBI, IPSJ-MBL | 2024-03-01 11:30 |
Fukuoka | A Study on Time Series Analysis Method and LLM Application in Customer Support Yoshiki Hayashi, Akihiro Chiba, Atsushi Toyama (NTT DOCOMO,), Tetsuya Shioda, Yuuki Taniguchi (NTT), Hiroki Asai (NTT DOCOMO,), Rin Kan (NTT), Takuya Kobayashi, Aogu Yamada, Gaku Ishikura, Ayaka Ueda, Satoshi Konishi (NTT DOCOMO,), Hisashi Kurasawa, Junji Tomita (NTT), Atsushi Sato (NTT DOCOMO,) SeMI2023-83 |
To provide fine-tuned support tailored to each customer, companies need to understand needs and issues from customer inf... [more] | SeMI2023-83 pp.72-75 |
|
| EE | 2024-01-19 11:45 |
Kagoshima | (Primary: On-site, Secondary: Online) |
Dynamic Characteristics Analysis of CLLC Converter with Frequency Modulation and Phase-Shift Modulation by the Fundamental Harmonic Approximation (FHA) Etsuro Murakami, Ryota Ishii, Yasushi Eto, Yuichi Noge, Masahito Shoyama (Kyushu Univ.), Ryou Tanimoto, Masaki Nakamura (NTT docomo) EE2023-51 |
CLLC converters are converters that can transmit power bidirectionally. CLLC converters have attracted attention because... [more] | EE2023-51 pp.66-71 |
| EE | 2024-01-19 14:35 |
Kagoshima | (Primary: On-site, Secondary: Online) |
A Study of Modulation Schemes with High Power Transmission Efficiency Using Frequency Modulation and Phase Shift Modulation in CLLC Resonant Converters Ryota Ishii, Etsuro Murakami, Yasushi Eto, Masahito Shoyama (Kyushu Univ.), Ryo Tanimoto, Masaki Nakamura (NTT docomo) EE2023-55 |
[more] | EE2023-55 pp.88-92 |
| AP, WPT (Joint) |
2024-01-17 16:00 |
Niigata | Tokimate, Niigata University (Primary: On-site, Secondary: Online) |
[Invited Lecture]
A Proposal of Indoor Radio Propagation Estimation Method Using DCNN
-- On Input Maps for Improving Estimation Accuracy of Out-of-sight Areas -- Masamitsu Irikuchi, Tetsuro Imai (Tokyo Denki Univ.), Koshiro Kitao, Satoshi Suyama (NTTDOCOMO) AP2023-165 |
In the next generation communication system (6G), where further improvement of frequency utilization efficiency and powe... [more] | AP2023-165 pp.30-34 |
| AP, WPT (Joint) |
2024-01-19 09:30 |
Niigata | Tokimate, Niigata University (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Evaluation of Propagation Channel Characteristics at 160 GHz in Indoor Office Environments Nobuaki Kuno, Koshiro Kitao, Takahiro Tomie, Satoshi Suyama (NTT DOCOMO), Mitsuki Nakamura, Minoru Inomata, Wataru Yamada (NTT) AP2023-178 |
This paper presents the measurement and evaluation results of propagation channel characteristics measured in our office... [more] | AP2023-178 pp.95-98 |
| NS, RCS (Joint) |
2023-12-14 09:55 |
Fukuoka | Kyushu Institute of Technology Tobata campus, and Online (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Researches on Radio Wave Propagation to Realize of 5G Evolution & 6G Nobuaki Kuno, Koshiro Kitao, Takahiro Tomie, Satoshi Suyama (NTT DOCOMO) NS2023-126 RCS2023-179 |
In order to realize a mobile communication system, it is important to understand not only the radio access system techno... [more] | NS2023-126 RCS2023-179 p.20 |
| NS, RCS (Joint) |
2023-12-15 09:00 |
Fukuoka | Kyushu Institute of Technology Tobata campus, and Online (Primary: On-site, Secondary: Online) |
Development of 38GHz-band Wireless Communication System Using High-Altitude Platform Station (HAPS) for 5G Network
-- Experiments to Verify Handover Delay Requirements for Collaboration between HAPS and Terrestrial System -- Yuto Muroki, Yuki Hokazono, Hinata Kohara, Atsunori Shimamura, Kenji Fukasawa (NTT DOCOMO), Jun Suzuki, Hiromu Kitanozono (SKY Perfect JSAT) RCS2023-192 |
We are focusing on the provision of communication areas from the sky by High-Altitude Platform Stations (HAPSs) to reali... [more] | RCS2023-192 pp.76-81 |
| PEM (Workshop) |
2023-11-27 - 2023-11-28 |
Hokkaido | Hokkaido Univ. Frontier Research in Applied Sciences Building | Interference-Induced Voltage Measurement for EMI Assessment of Implantable Medical Devices by Exposure to 5G Frequency Radio Wave using Electro-Optical Converter Funa Tsumura, Shuhei Waki, Takashi Hikage (Hokkaido Univ.), Yoshitoshi Tochikura, Takahiro Iyama, Junji Higashiyama, Yasunori Suzuki (NTT DOCOMO INC.) |
To investigate the interference implications in the micro/millimeter wave bands of the increasingly popular 5G technolog... [more] | |
| AP, RCS (Joint) |
2023-11-16 16:15 |
Kumamoto | Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
DOCOMO's Activities to Exploit 5G in Factory
-- 5G Experimental Trials and Development of Simulator -- Satoshi Suyama, Atsuya Nakamura, Koshiro Kitao, Huiling Jiang (NTT DOCOMO) RCS2023-169 |
The 5th generation mobile communication system (5G) has already been commercially introduced worldwide, and commercial s... [more] | RCS2023-169 pp.84-89 |
| AP, RCS (Joint) |
2023-11-17 10:20 |
Kumamoto | Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
Design of Transmissive Metasurfaces and Propagation Analysis in 28 GHz-band Coverage Improvement Using Multiple Transmissive Metasurfaces Keisuke Arai, Osamu Kagaya (AGC), Kenta Goto, Satoshi Suyama (NTT DOCOMO) AP2023-149 |
Recently，toward 5G Evolution & 6G，”New Radio Network Topology (NRNT)” which is distributed in the spatial domain is cons... [more] | AP2023-149 pp.98-103 |
| SR | 2023-11-10 14:30 |
Miyagi | (Primary: On-site, Secondary: Online) |
[Technology Exhibit]
6G Simulator using Real Environment Model Generated from Point Cloud Data Koshiro Kitao, Satoshi Suyama, Takahiro Tomie, Nobuaki Kuno, Kiichi Tateishi, Huiling Jiang (NTT DOCOMO) SR2023-63 |
[more] | SR2023-63 pp.78-82 |
| AP | 2023-10-19 13:00 |
Iwate | Iwate University (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Analysis of Angle of Arrival and Number of Incoming Waves for Millimeter Wave Band Using Ray Tracing Method Sho Kitano, Mitoshi Fujimoto (Univ. Fukui), Koshiro Kitao, Satoshi Suyama (NTT DOCOMO) AP2023-118 |
In next generation mobile communication systems (Beyond 5G / 6G), the use of high frequency bands (millimeter wave and t... [more] | AP2023-118 pp.113-114 |
| MW, EMCJ, EST, IEE-EMC [detail] | 2023-10-20 11:10 |
Yamagata | Yamagata University (Primary: On-site, Secondary: Online) |
Evaluation of Simultaneous Exposure at Millimeter Wave Bands Frequencies Yuta Minamimoto, Sachiko Kodera (NITech), Takahiro Iyama, Junji Higashiyama, Yasunori Suzuki (NTT DOCOMO), Akimasa Hirata (NITech) EMCJ2023-62 MW2023-116 EST2023-89 |
In the ICNIRP guideline and IEEE standards, the specific absorption rate averaged over 10-g tissue (10gSAR) is used as a... [more] | EMCJ2023-62 MW2023-116 EST2023-89 pp.137-140 |
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