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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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 |
| EST | 2023-01-27 15:10 |
Okinawa | (Primary: On-site, Secondary: Online) |
Assessment of Simultaneous Exposure of Human at Multiple Frequencies below and above 6 GHz Norika Miura, Sachiko Kodera (NITech), Takahiro Iyama, Junji Higashiyama, Yasunori Suzuki (NTTdocomo), Akimasa Hirata (NITech) EST2022-101 |
The temperature rise in human body is a dominant factor that cause adverse health effects exposed to microwaves at frequ... [more] | EST2022-101 pp.133-136 |
| SAT, RCS (Joint) |
2022-08-25 16:40 |
Hokkaido | (Primary: On-site, Secondary: Online) |
[Encouragement Talk]
Development of extreme coverage communication system extended by Non-Terrestrial Network(NTN)
-- UE availability evaluation during rainfall -- Hisayoshi Kano, Munehiro Matsui, Jun-ichi Abe (NTT), Yuki Hokazono, Hinata Kohara, Yoshihisa Kishiyama (NTTdocomo), Fumihiro Yamashita (NTT) SAT2022-37 |
NTT has been proposing an IOWN space integrated computing network concept. We focus on coverage extension using non-terr... [more] | SAT2022-37 pp.48-53 |
| OCS, CS (Joint) |
2022-01-14 14:45 |
Yamaguchi | Conference room 204A・B at KDDI Ishin-hall (Primary: On-site, Secondary: Online) |
[Invited Talk]
Evolution and Future of Virtualization Technology in Mobile Networks Aya Tsurusaki, Yoshihiro Nakajima, Hironao Tamura, Yuya Kuno, Ryoji Tamura (DOCOMO) CS2021-74 |
(Advance abstract in Japanese is available) [more] | CS2021-74 pp.43-47 |
| RCS, NS (Joint) |
2021-12-17 10:35 |
Nara | Nara-ken Bunka Kaikan and Online (Primary: On-site, Secondary: Online) |
Evaluation of the Effectiveness of Metasurface, FSS, and Relay Station Technologies for Improving Indoor Areas in the High Frequency Band Jun Tsuboi (DOCOMO), Takeshi Motegi, Osamu Kagaya (AGC), Daisuke Kitayama (NTT), Kensuke Miyachi, Takahiro Asai (DOCOMO) RCS2021-187 |
In order to further utilize the high frequency band represented by millimeter wave, it is one of the issues to construct... [more] | RCS2021-187 pp.63-68 |
| EE, IEE-HCA | 2021-05-27 10:45 |
Online | Online | CLLC Resonant Converter for Bidirectional Power Transmission Soichiro Kawano, Ryota Hisamitsu, Masahito Shoyama, Yuichi Noge (Kyushu University), Yuki Nakamura, Kazuhiko Takeno (Docomo) EE2021-5 |
[more] | EE2021-5 pp.25-30 |
| LOIS, ICM | 2018-01-19 13:30 |
Kumamoto | Sojo University | Investigations of System-Integration in Architecture of Multi-Vender(Network Functions Virtualisation environment) Katsuya Manabe, Hironao Tamura, Yoshihiro Nakajima, Keisuke Suzuki, Seiji Fukae (NTTDOCOMO) ICM2017-49 LOIS2017-65 |
Development in cloud-first is becoming active as an example of correspondence such as construction speed up required in ... [more] | ICM2017-49 LOIS2017-65 pp.87-92 |
| AP, WPT (Joint) |
2018-01-19 16:20 |
Nara | ATR | Radio Propagation Prediction Method Using Point Cloud Data in NLOS Urban Environments for high frequency bands Minoru Inomata, Tetsuro Imai, Koshiro Kitao, Yukihiko Okumura (NTTDOCOMO), Motoharu Sasaki, Yasushi Takatori (NTT) AP2017-173 |
[more] | AP2017-173 pp.125-130 |
| RCS | 2017-06-21 15:20 |
Okinawa | Ishigaki Shoukou Kaikan | Performance Evaluation on Beam Selection Rules and Beam Shapes of a Massive MIMO System in Time-varying Environments Jumpei Yamamoto, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa (Hokkaido Univ.), Daiki Takeda, Yoshihisa Kishiyama (NTTDocomo) RCS2017-55 |
In massive MIMO systems, there have already been a number of papers on 2-step beamforming that forms a precoder in a bea... [more] | RCS2017-55 pp.31-36 |
| NS, RCS (Joint) |
2016-12-21 13:10 |
Ishikawa | [Invited Lecture]
Future Core Network for 5G era Shigeru Iwashina (NTTdocomo) NS2016-123 RCS2016-213 |
[more] | NS2016-123 RCS2016-213 pp.31-34(NS), pp.35-38(RCS) |
|
| RCS, CCS, SR, SRW (Joint) |
2016-03-02 09:25 |
Tokyo | Tokyo Institute of Technology | A Non-Linear Distortion Compensation Method for Transmission Circuits of LED Visible Light Communications Takaaki Kumagai, Hiroaki Matsuno, Shigeru Tomisato, Satoshi Denno, Masaharu Hata (Okayama Univ.), Tatsuo Furuno, Yasuhiro Oda (NTTDOCOMO) SRW2015-71 |
[more] | SRW2015-71 pp.7-10 |
| NLC | 2016-02-05 14:25 |
Kyoto | Campus Plaza Kyoto | [Panel Discussion]
Prospects of Text Mining
-- Latest Progress in a New Text Mining Style -- Testuya Nasukawa (IBM), Kai Ishikawa (NEC), Makoto Ichise (NTTdocomo) NLC2015-52 |
(Advance abstract in Japanese is available) [more] | NLC2015-52 pp.47-52 |
| CQ | 2015-09-01 13:20 |
Kyoto | Kyoto Institute of Technology | Relationship between the interference reduction characteristics and amount of signal processing by cylindrical array based massive MIMO in a real microcell environment Ryochi Kataoka, Kentaro Nishimori (Niigata Univ.), Ngochao Tran, Tetsuro Imai (NTTdocomo) CQ2015-49 |
[more] | CQ2015-49 pp.55-60 |
| ICM | 2015-07-09 14:40 |
Hokkaido | Sapporo Convention Center | [Invited Talk]
Applicability and Issues of SDN for NFV Platform Yuusuke Okazaki, Hiroaki Sato (NTTDOCOMO) ICM2015-9 |
SDN(Software Defined Networking) will be used to accomodate virtual nodes like vEPC in operator network. In this presen... [more] |
ICM2015-9 pp.5-8 |
| RCS, SR, SRW (Joint) |
2015-03-04 16:50 |
Tokyo | Tokyo Institute of Technology | Interference reduction characteristics by cylindrical array based massive MIMO with analog-digital hybrid processing in a real microcell environment Ryochi Kataoka, Junpei Miyazawa, Kentaro Nishimori (Niigata Univ.), Ngochao Tran, Tetsuro Imai (NTTdocomo) RCS2014-323 |
Massive MIMO enables the improvement on the transmission rate without increasing the burden on the signal processing by ... [more] | RCS2014-323 pp.129-134 |
| AP | 2015-02-19 10:55 |
Hyogo | Chusho-kigyou center at Amagasaki-City | Interference reduction characteristics by circular array based massive MIMO in a real microcell environment Ryochi Kataoka, Kentaro Nishimori (Niigata Univ.), Ngochao Tran, Tetsuro Imai (NTTdocomo) AP2014-189 |
Massive MIMO enables the improvement on the transmission rate without increasing the burden on the signal processing by ... [more] | AP2014-189 pp.15-20 |
| AP | 2015-01-23 10:45 |
Ehime | Ehime University | Performance evaluation of Massive MIMO with analog-digital hybrid processing in a circular cell environment Junpei Miyazawa, Ryochi Kataoka, Kentaro Nishimori (Niigata Univ.), Ngochao Tran, Tetsuro Imai (NTTdocomo) AP2014-176 |
Massive MIMO enables the improvement on the transmission rate without increasing the burden on the signal processing by... [more] |
AP2014-176 pp.85-90 |
| SRW | 2014-12-17 16:05 |
Kanagawa | Keio University | Experimental evaluation of error vector magnitude in LTE signal transmission by visible light communication Hiroaki Matsuno, Shigeru Tomisato, Satoshi Denno, Masaharu Hata (Okayama Univ.), Tatsuo Furuno, Yasuhiro Oda (NTTDOCOMO) SRW2014-41 |
This paper experimentally evaluates broadband transmission performance of visible light communication using a transmiss... [more] | SRW2014-41 pp.35-38 |
| AP (2nd) |
2014-05-15 - 2014-05-16 |
Ishikawa | The Kanazawa Theatre | Evaluation of Shadowing by a Human Body at High Frequency Bands using UTD
-- Radio Wave Propagation Technology for Future Radio Access and Mobile Optical Network -- Ngochao Tran, Tetsuro Imai, Yukihiko Okumura (NTTDocomo) |
The small cells, which allow to transmit data with high bit rate and use very high frequency bands (over 6 GHz) have bee... [more] | |
| AP | 2014-03-11 14:00 |
Fukushima | Koriyama City Rodo Fukushi Kaikan | Study on Model of Radio Wave Shadowing by a Human Body at High Frequency Bands
-- Radio Wave Propagation Technology for Future Radio Access and Mobile Optical Network -- Ngochao Tran, Tetsuro Imai, Yukihiko Okumura (NTTDocomo) AP2013-198 |
(To be available after the conference date) [more] | AP2013-198 pp.75-80 |
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