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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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) |
2024-01-19 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 |
| 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 |
| RCS | 2023-10-20 10:45 |
Kagawa | Kagawa University (Saiwai-cho Campus), and online (Primary: On-site, Secondary: Online) |
Consideration on Information Set and Frozen Set for Polar Codes Under BP Decoding Kohei Ueda (Kagawa Univ.), Satoshi Suyama, Satoshi Nagata (NTT DOCOMO), Nobuhiko Miki (Kagawa Univ.) RCS2023-142 |
[more] | RCS2023-142 pp.69-73 |
| RCS | 2023-10-20 11:25 |
Kagawa | Kagawa University (Saiwai-cho Campus), and online (Primary: On-site, Secondary: Online) |
Real-Time Simulator for Sixth-Generation Mobile Communications System Kiichi Tateishi, Satoshi Suyama, Huiling Jiang (NTT DOCOMO) RCS2023-143 |
The 6th generation mobile communication system (6G) is expected to realize extremely high-data-rate and high-capacity co... [more] | RCS2023-143 pp.74-78 |
| MIKA (3rd) |
2023-10-10 15:35 |
Okinawa | Okinawa Jichikaikan (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Study of wireless access technique using multiple terminal cooperation Tomoya Kageyama, Takayuki Yamada, Riichi Kudo (NTT), Yuya Aoki, Yoshifumi Morihiro (NTT DOCOMO) |
With increases in demand for mobile traffic, high-frequency bands such as millimeter waves (mmWave) are being utilized. ... [more] | |
| IA | 2023-10-05 16:50 |
Tokyo | U-Tokyo Takeda Hall (Primary: On-site, Secondary: Online) |
Local 5G Trials on the InteropTokyo Shownet Kazuya Okada (TOYOTA), Kenzo Okuda (DOCOMO), Shuichi Saito (NEC) IA2023-35 |
InteropTokyo is an annual exhibition of information and communications technology every June at Makuhari Messe in Chiba ... [more] | IA2023-35 pp.10-15 |
| AP, SANE, SAT (Joint) |
2023-07-13 11:00 |
Hokkaido | The Citizen Activity Center (Primary: On-site, Secondary: Online) |
38GHz-band radio propagation measurement from lower stratosphere actualizing HAPS communication system Yuki Hokazono, Hinata Kohara, Yuto Muroki, Kenzi Fukasawa (NTT DOCOMO), Jun Suzuki, Hiromu Kitanozono (SKY Perfect JSAT) SAT2023-17 |
High-altitude platform stations (HAPSs) using broadband millimeter waves promise to enable the timely provisioning of th... [more] | SAT2023-17 pp.41-46 |
| AP, SANE, SAT (Joint) |
2023-07-14 16:50 |
Hokkaido | The Citizen Activity Center (Primary: On-site, Secondary: Online) |
[Invited Lecture]
6G Simulator using Real Environment Model based on Point Cloud Data Koshiro Kitao, Satoshi Suyama, Mitsuki Nakamura, Takahiro Tomie, Kiichi Tateishi, Takayuki Yamada (NTT DOCOMO) AP2023-65 |
[more] | AP2023-65 pp.187-191 |
| SeMI, RCS, RCC, NS, SR (Joint) |
2023-07-13 13:00 |
Osaka | Osaka University Nakanoshima Center + Online (Primary: On-site, Secondary: Online) |
PAPR Reduction Method Using Null Space in MIMO Channel for MIMO-OFDM Signals at Multiple-Antenna AF Relay Station Considering Direct Link Asuka Kakehashi (Tokyo Univ. of Science), Satoshi Suyama, Satoshi Nagata (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2023-91 |
In this study, assuming downlink amplify-and-forward (AF)-type relaying of multiple-input multiple-output (MIMO)-orthogo... [more] | RCS2023-91 pp.58-63 |
| RCS | 2023-06-15 10:10 |
Hokkaido | Hokkaido University, and online (Primary: On-site, Secondary: Online) |
Investigation of PAPR Reduction Method Using Null Space in MIMO Channel for Massive MIMO-OFDM Signals with Uniform Planar Array Soma Taguchi (Tokyo Univ. of Science), Satoshi Suyama, Satoshi Nagata (NTT DOCOMO), Kenichi Higuchi (Tokyo Univ. of Science) RCS2023-51 |
In this paper, we consider the application of our previously reported PCCNC (peak cancellation with channel-null constra... [more] | RCS2023-51 pp.135-140 |
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