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]
A machine learning-based object detection scheme utilizing channel state information in wireless LANs Tomoya Kageyama, Keisuke Takata, Eiki Ando, Hiroki Senji, Osamu Muta (Kyushu Univ.), Tomoki Murakami, Shinya Otsuki, Tomoaki Ogawa (NTT) RCS2019-408 SR2019-142 SRW2019-92 |
[more] |
RCS2019-408 SR2019-142 SRW2019-92 pp.415-420(RCS), pp.139-144(SR), pp.139-144(SRW) |
SeMI |
2020-01-30 15:25 |
Kagawa |
|
A Proposal of People Counting by Using Wi-Fi Channel State Information of Mobile Devices Masahide Mizutani, Akira Uchiyama (Osaka Univ.), Tomoki Murakami, Hirantha Abeysekera (NTT), Teruo Higashino (Osaka Univ.) SeMI2019-102 |
People's distribution in public areas is useful for various services. Wi-Fi Channel State Information (CSI) has attracte... [more] |
SeMI2019-102 pp.17-22 |
SRW, SeMI, CNR (Joint) |
2019-11-06 14:45 |
Tokyo |
Kozo Keisaku Engineering Inc. |
[Invited Lecture]
Introduction of high-efficiency Wi-Fi system in dense AP environment Tomoki Murakami (NTT) SRW2019-46 SeMI2019-90 CNR2019-40 |
[more] |
SRW2019-46 SeMI2019-90 CNR2019-40 p.89(SRW), p.109(SeMI), p.87(CNR) |
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] |
|
CQ (2nd) |
2019-09-05 10:40 |
Tokyo |
Inter-University Seminar House |
[Poster Presentation]
Propagation environmental control using high speed pattern switching and blind algorithm Sota Takahashi, Kentaro Nishimori, Issei Watanabe, Ryotaro Taniguchi (Niigata Univ.), Tomoki Murakami (NTT) |
[more] |
|
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 |
CQ |
2019-08-28 11:35 |
Hokkaido |
Hakodate arena |
[Invited Lecture]
Data Transmission and Radio Resource Control by applying Optical/RF Hybrid Coordinated Systems Kazutaka Hara, Ryota Shiina, Shinya Tamaki, Tomohiro Taniguchi, Toshiro Nakahira, Tomoki Murakami, Yasuhiro Suzuki (NTT), Satoshi Ikeda (NTT West) CQ2019-80 |
[more] |
CQ2019-80 pp.119-124 |
SRW |
2019-06-10 15:10 |
Kanagawa |
Anritsu |
[Invited Talk]
Sensing technology using WLAN CSI Tomoki Murakami, Hirantha Abeysekera (NTT), Akira Uchiyama, Shunsuke Saruwatari, Takuya Maekawa (Osaka Univ.) SRW2019-11 |
[more] |
SRW2019-11 p.55 |
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 |
CQ |
2019-05-30 13:45 |
Hiroshima |
Hiroshima City University |
A proposal on propagation environmental control by virtual massive array Issei Watanabe, Kentaro Nishimori, Ryotaro Taniguchi (Niigata Univ.), Tomoki Murakami (NTT) CQ2019-15 |
With the rapid spread of wireless communication devices such as smartphones in recent years, mobile communication traffi... [more] |
CQ2019-15 pp.23-26 |
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, 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 |
RCS, NS (Joint) |
2018-12-20 10:45 |
Hiroshima |
Onomichi City Hall |
Multi Interface Control Method for 802.11ax WLANs based on Communication Quality with Strategy Management Architecture for Wireless Resource Optimization (WiSMA) Toshiro Nakahira, Tomoki Murakami, Hirantha Abeysekera, Koichi Ishihara, Takafumi Hayashi, Yasushi Takatori (NTT) RCS2018-219 |
In order to efficiently accommodate heavy wireless traffic in the 5G/IoT era, an attractive approach is to utilize unlic... [more] |
RCS2018-219 pp.19-23 |
CQ |
2018-08-23 14:25 |
Shiga |
Ritsumeikan Univ. Biwako-Kusatsu Campus (BKC) |
[Encouragement Talk]
Dynamic Frequency Resource Control Method based on Strategy Management Architecture for Wireless Resource Optimization (WiSMA) Toshiro Nakahira, Tomoki Murakami, Hirantha Abeysekera, Koichi Ishihara, Takafumi Hayashi, Yasushi Takatori (NTT) CQ2018-47 |
In order to efficiently accommodate heavy wireless traffic in the 5G/IoT era, an attractive approach is to utilize unlic... [more] |
CQ2018-47 pp.7-11 |
SAT, RCS (Joint) |
2018-08-10 10:25 |
Iwate |
Iwate University |
Strategy Management Architecture for Wireless Resource Optimization on Unlicensed Wireless Systems Tomoki Murakami, Toshiro Nakahira, Hirantha Abeysekera, Koichi Ishihara, Takafumi Hayashi, Yasushi Takatori (NTT) RCS2018-142 |
For the enhancement of the potential of wireless communication systems, optimization of wireless resources (channel, ban... [more] |
RCS2018-142 pp.57-62 |
SAT, RCS (Joint) |
2018-08-10 10:50 |
Iwate |
Iwate University |
Multi Interface Control Method based on Strategy Management Architecture for Wireless Resource Optimization (WiSMA) Toshiro Nakahira, Tomoki Murakami, Hirantha Abeysekera, Koichi Ishihara, Takafumi Hayashi, Yasushi Takatori (NTT) RCS2018-143 |
In order to efficiently accommodate heavy wireless traffic in the 5G/IoT era, an attractive approach is to utilize unlic... [more] |
RCS2018-143 pp.63-68 |