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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 21 - 40 of 172 [Previous]  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
SRW 2020-06-29
11:00
Online Online Evaluation of High-Speed Directional Switching Antenna for Virtual Massive MIMO System
Tomoki Murakami (NTT), Tomohiro Seki (Nihon Univ.), Yasushi Takatori (NTT) SRW2020-3
 [more] SRW2020-3
p.5
SRW 2020-06-29
13:25
Online Online Distributed intelligent reflecting surfaces utilizing direction information in millimeter-wave communications
Masashi Iwabuchi, Tomoki Murakami, Riku Ohmiya, Tomoaki Ogawa, Yasushi Takatori (NTT) SRW2020-8
This paper proposes a distributed intelligent reflecting surfaces (IRSs) based on direction information instead of chann... [more] SRW2020-8
pp.23-28
RCS, SR, SRW
(Joint)
2020-03-06
13:30
Tokyo Tokyo Institute of Technology
(Cancelled but technical report was issued)
[Poster Presentation] Reinforcement Learning-based User-to-Access Points Association in Sub-6 GHz/mmWave Integrated Networks
Thi Ha Ly Dinh, Megumi Kaneko (NII), Keisuke Wakao, Kenichi Kawamura, Takatsune Moriyama, Hirantha Abeysekera, Yasushi Takatori (NTT) RCS2019-401 SR2019-135 SRW2019-85
 [more] RCS2019-401 SR2019-135 SRW2019-85
pp.401-402(RCS), pp.125-126(SR), pp.125-126(SRW)
AP 2020-02-21
13:25
Shizuoka Shizuoka Univ. Hamamatsu Campus [Invited Lecture] Doppler Spectrum Characteristics of 4.7 and 28 GHz in High-Speed Moving Environment exceeding 280 km/h
Nobuaki Kuno, Wataru Yamada, Yusuke Asai, Yasushi Takatori (NTT), Minoru Inomata, Satoshi Suyama (NTT DOCOMO), Ichiro Nakagawa, Masanori Ichinose (NTT Communications) AP2019-192
In Japan, 5G System Integrated Verification Trial have been conducted by the Ministry of Internal Affairs and Communicat... [more] AP2019-192
pp.63-68
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
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