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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 1448  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
SR 2024-05-20
14:00
Kagoshima Yokacenter (Kagoshima)
(Primary: On-site, Secondary: Online)
[Invited Talk] 5G evolution and 6G
Takehiro Nakamura (NTT DOCOMO)
 [more]
MW 2024-05-16
14:05
Osaka Osaka University Toyonaka Campus
(Primary: On-site, Secondary: Online)
Frequency Characteristics on gInitial Value Assignment of Vector Regulator of Power Amplifier for Massive MIMO Base Stations
Ryosuke Ohtani, Shoichi Narahashi (Setsunan Univ.), Yasunori Suzuki (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
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
SAT, SANE
(Joint)
2024-02-08
14:40
Kagoshima AmaHome PLAZA (Amami City Shimin Koryu Center)
(Primary: On-site, Secondary: Online)
MEC content exchange control to reduce traffic on feeder link in non-terrestrial networks.
Munehiro Matsui, Kano Hisayoshi, Junichi Abe (NTT), Yuki Hokazono, Atsushi Minokuchi, Kenji Fukasawa (NTT docomo), Fumihiro Yamashita (NTT) SAT2023-64
This paper presents a study of reducing traffic flowing on a feeder link in NTN using multi-access edge computing (MEC).... [more] SAT2023-64
pp.27-32
SIP, IT, RCS 2024-01-18
15:20
Miyagi
(Primary: On-site, Secondary: Online)
Detection Probability of RPACH for UE with High-Speed Movement in NR Uplink
Masaharu Nakajima, Ryota Kuribayashi, Mamoru Sawahashi (Tokyo City Univ.), Satoshi Suyama (NTT DOCOMO) IT2023-44 SIP2023-77 RCS2023-219
This paper presents miss detection probability (MDP) of Physical Random Access Channel (PRACH) with a short sequence for... [more] IT2023-44 SIP2023-77 RCS2023-219
pp.70-75
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
SeMI 2024-01-19
11:05
Yamanashi Raki House Kaiji 5G throughput prediction for 28GHz cell area using surrounding spatial information
Hisashi Nagata, Riichi Kudo, kahoko takahashi, Fujita Takafumi (NIPPON TELEGRAPH AND TELEPHONE CORPORATION), Yuya Aoki, Morihiro Yoshifumi (NTT DOCOMO, INC.) SeMI2023-67
Every thing is connected to the network, and the amount of mobile traffic is increasing year by year. Therefore, the use... [more] SeMI2023-67
pp.94-99
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
AP, WPT
(Joint)
2024-01-19
09:55
Niigata Tokimate, Niigata University
(Primary: On-site, Secondary: Online)
[Invited Lecture] Performance Evaluation of Color Images Method for Path Loss Estimation in High Frequency Bands
Takahiro Tomie, Satoshi Suyama, Koshiro Kitao, Nobuaki Kuno (NTT DOCOMO), Minoru Inomata, Wataru Yamada, Motoharu Sasaki (NTT) AP2023-179
Currently, research and development of realization of the 6th generation mobile communication system (6G) are carried ou... [more] AP2023-179
pp.99-104
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)
2023-12-14
17:55
Fukuoka Kyushu Institute of Technology Tobata campus, and Online
(Primary: On-site, Secondary: Online)
Study on Physical-Layer Cell ID Detection Using Accurate PSS Detection and CFO Estimation for DFT-Spread OFDM
Shun Yoneda, Mamoru Sawahashi (Tokyo City Univ.), Satoshi Nagata, Satoshi Suyama (NTT DOCOMO) RCS2023-190
 [more] RCS2023-190
pp.64-69
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]
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