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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP, WPT (Joint) |
2020-01-23 15:00 |
Kagawa | Sunport Hall Takamatsu | [Invited Lecture]
Analysis of Estimation Error by Position Mismatch on Machine-Learning Path Loss Prediction in Urban Environment Nobuaki Kuno, Wataru Yamada, Motoharu Sasaki, Yusuke Asai, Yasushi Takatori (NTT)  AP2019-160 |
By applying machine-learning to prediction of path loss characteristics, it is possible to regress for any nonlinear fun... [more] | AP2019-160 pp.55-60 |
| CQ, CBE (Joint) |
2020-01-17 11:30 |
Tokyo | NHK Science & Technology Research Laboratories | Simultaneous Transmission with Wireless LAN Broadcast Shoko Shinohara, Yasuhiko Inoue (NTT), Hitoshi Morioka (SRC Software), Yusuke Asai, Yasushi Takatori (NTT) CQ2019-127 |
[more] | CQ2019-127 pp.113-118 |
| MIKA (2nd) |
2019-10-03 11:15 |
Hokkaido | Hokkaido Univ. | [Poster Presentation]
Three dimentional radio propagation modeling for realization of low altitude UAV flight in urban high rise environment Wataru Yamada, Nobuaki Kuno, Mitsuki Nakamura, Motoharu Sasaki, Yusuke Asai, Yasushi Takatori (NTT) |
[more] | |
| MIKA (2nd) |
2019-10-03 11:15 |
Hokkaido | Hokkaido Univ. | [Poster Presentation]
Experimental evaluation of Virtual Massive MIMO System Tomoki Murakami, Riku Ohmiya, Yasushi Takatori (NTT) |
[more] | |
| MIKA (2nd) |
2019-10-04 10:15 |
Hokkaido | Hokkaido Univ. | [Poster Presentation]
Wireless System Planning Method Based on Wireless Environment and User Distribution Toshiro Nakahira, Hirantha Abeysekera, Koichi Ishihara, Takatsune Moriyama, Daisuke Goto, Yasushi Takatori (NTT) |
By using a wireless backhaul or a mesh network between access points and installing access points on drones or robots, i... [more] | |
| CQ | 2019-08-27 13:35 |
Hokkaido | Hakodate arena | Experimental Results of Live VideoTransmissions using the IEEE 802.11ah Evaluation Borad Shoko Shinohara, Mitsuki Nakamura, Yasuhiko Inoue, Yoshitaka Shimizu (NTT), Satoshi Mochiduki (Yokogawa), Katsuhiko Umeno (BEATCRAFT), Yohei Kaieda (SECOM), Takashi Asemi (Fujitsu), Yasushi Takatori (NTT) CQ2019-65 |
Recently, the usage of IoT devices are growing increasingly diverse with becoming widely used. For that reason, the conv... [more] | CQ2019-65 pp.43-48 |
| CQ | 2019-08-28 10:55 |
Hokkaido | Hakodate arena | WiSMA-based dynamic wireless resource control
-- Station association control under multi-RF scenarios -- Hirantha Abeysekera, Toshiro Nakahira, Tomoki Murakami, Koichi Ishihara, Takafumi Hayashi, Yasushi Takatori (NTT) CQ2019-78 |
[more] | CQ2019-78 pp.107-112 |
| CQ | 2019-08-28 11:15 |
Hokkaido | Hakodate arena | WiSMA-based dynamic wireless resource control: Improvement of communication quality under high-density AP scenarios Toshiro Nakahira, Hirantha Abeysekera, Tomoki Murakami, Koichi Ishihara, Takafumi Hayashi, Yasushi Takatori (NTT) CQ2019-79 |
In order to efficiently accommodate the increasing radio traffic in a limited frequency band, further improvement of the... [more] | CQ2019-79 pp.113-118 |
| AP | 2019-08-21 16:05 |
Hokkaido | Hokkai-Gakuen Univ. | [Tutorial Lecture]
International standardization activity of radio propagation and its recent topics Wataru Yamada, Mitsuki Nakamura, Motoharu Sasaki, Naoki Kita, Nobuaki Kuno, Takatune Moriyama, Yasushi Takatori (NTT) AP2019-52 |
[more] | AP2019-52 pp.29-34 |
| AP, SANE, SAT (Joint) |
2019-07-18 14:55 |
Miyagi | Tohoku Univ. | [Invited Lecture]
Additional Loss of Each Arrival Angle at 4.7 GHz and 26.4 GHz Bands in Crowded Environments Mitsuki Nakamura, Wataru Yamada, Motoharu Sasaki, Takatsune Moriyama, Yasushi Takatori (NTT) AP2019-35 |
[more] | AP2019-35 pp.75-78 |
| AP, SANE, SAT (Joint) |
2019-07-19 16:20 |
Miyagi | Tohoku Univ. | [Invited Lecture]
Machine-Learning Prediction Method for Path Loss Characteristics of Height Gain Nobuaki Kuno, Wataru Yamada, Motoharu Sasaki, Mitsuki Nakamura, Takatsune Moriyama, Yasushi Takatori (NTT) AP2019-45 |
This paper presents prediction method for path loss characteristics of height gain in urban environment by using machine... [more] | AP2019-45 pp.129-133 |
| CQ | 2019-05-30 11:50 |
Hiroshima | Hiroshima City University | [Invited Talk]
Research & development of high-efficiency Wi-Fi Tomoki Murakami, Hirantha Abeysekera, Toshiro Nakahira, Koichi Ishihara, Takafumi Hayashi, Yasushi Takatori (NTT) CQ2019-13 |
[more] | CQ2019-13 p.17 |
| RCS | 2019-04-18 09:30 |
Hokkaido | Noboribetsu Grand Hotel | Dynamic Control Method for Multi Radio Interface with Strategy Management Architecture for Wireless Resource Optimization (WiSMA) Toshiro Nakahira, Tomoki Murakami, Hirantha Abeysekera, Koichi Ishihara, Takafumi Hayashi, Yasushi Takatori (NTT) RCS2019-1 |
While radio traffic continues to increase, available frequency bands are limited. It is important to increase radio reso... [more] | RCS2019-1 pp.1-6 |
| RCS | 2019-04-18 11:45 |
Hokkaido | Noboribetsu Grand Hotel | Experimental evaluation of wireless LAN with distributed smart antenna system on a train Koichi Ishihara, Masayoshi Nabeshima, Takafumi Hayashi, Yasushi Takatori (NTT), Kazushi Muraoka, Jun Mashino, Satoshi Suyama, Yukihiko Okumura (NTT DOCOMO) RCS2019-6 |
We have proposed a distributed smart antenna system (D-SAS) for wireless LAN, which suppresses the interference among OB... [more] | RCS2019-6 pp.29-34 |
| AP | 2019-03-15 10:25 |
Fukushima | Yunoya (Iizaka Onsen, Fukushima) | Shadowing Effect Prediction based on Physical Optics Approach for Millimetre Wave Mobile Communication Xin DU, Kentaro Saito, Jun-ichi Takada (Titech), Mitsuki Nakamura, Motoharu Sasaki, Wataru Yamada, Yasushi Takatori (NTT) AP2018-192 |
In this study, the shadowing measurement was done by using channel sounder in the indoor office environment at two frequ... [more] | AP2018-192 pp.35-40 |
| RCS, SR, SRW (Joint) |
2019-03-08 09:50 |
Kanagawa | YRP | [Invited Lecture]
A Reinforcement Learning Framework for User-to-Access Points Association in Future Wireless Networks Megumi Kaneko, Thi Ha Ly Dinh (NII), Keisuke Wakao, Hirantha Abeysekera, Yasushi Takatori (NTT) RCS2018-322 |
This work investigates the issue of distributed user-to-multiple Acess Points (AP) association, where a user requiring s... [more] | RCS2018-322 p.205 |
| RCS, SR, SRW (Joint) |
2019-03-08 10:30 |
Kanagawa | YRP | 5G R&D Activities for High Capacity Technologies with Ultra High-Density Multi-Band and Multi-Access Layered Cells Morihiko Minowa, Hiroyuki Seki (Fujitsu), Yukihiko Okumura, Satoshi Suyama (NTT DOCOMO), Jun Terada, Satoshi Shigematsu, Yasushi Takatori (NTT), Hiroaki Asano (Panasonic), Yukio Hirano (Mitsubishi Electric), Yasushi Yamao (UEC), Fumiyuki Adachi, Masataka Nakazawa (Tohoku Univ.) RCS2018-323 |
In this paper, we make a summary report of our 5G R&D activities for “High Capacity Technologies with Ultra High-Density... [more] | RCS2018-323 pp.207-212 |
| RCS, SR, SRW (Joint) |
2019-03-08 14:35 |
Kanagawa | YRP | Throughput improvement of high density WLAN systems by mobile cooperative control Shota Nakayama, Kenichi Kawamura, Keisuke Wakao, Akira Kishida, Tomoyuki Yamada, Takatsune Moriyama, Yasushi Takatori (NTT) RCS2018-328 |
5G network is expected to be a heterogeneous network composed of multi-band , multi-cell wireless technologies to accomm... [more] | RCS2018-328 pp.237-242 |
| RCS, SIP, IT | 2019-02-01 09:00 |
Osaka | Osaka University | A Study on AP Selection and User Scheduling for Wireless LAN Employing MU-MIMO Soma Yamashita, Hirofumi Suganuma (Waseda Univ.), Tomoki Murakami, Yasushi Takatori (NTT), Fumiaki Maehara (Waseda Univ.) IT2018-52 SIP2018-82 RCS2018-259 |
Recently, wireless LAN plays an essential role in alleviating dramatic increase in mobile traffic. However, in dense wir... [more] | IT2018-52 SIP2018-82 RCS2018-259 pp.97-101 |
| RCS, SIP, IT | 2019-02-01 11:15 |
Osaka | Osaka University | Three-dimensional Cooperative Carrier Sensing for Un-Used Frequency Utilization Riku Ohmiya, Tomoki Murakami, Koichi Ishihara, Takafumi Hayashi, Takatori Yasushi (NTT) IT2018-57 SIP2018-87 RCS2018-264 |
As mobile terminals such as smartphones explosively spread, mobile traffic’s volume also continues to increase. Along wi... [more] | IT2018-57 SIP2018-87 RCS2018-264 pp.127-132 |
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