Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
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 |
2019-08-28 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 |
2019-05-30 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 |
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 |
SR, RCS (Joint) (2nd) |
2018-10-31 08:30 |
Overseas |
Mandarin Hotel, Bangkok, Thailand |
[Invited Talk] R&D Activities for 5G in IEICE Technical Committee on Radio Communication Systems in FY2017
-- Multi-Antenna Technologies and Advanced Modulation/Multiple Access Schemes -- Eisuke Fukuda (Fujitsu Labs.), Hidekazu Murata (Kyoto Univ.), Tomoaki Ohtsuki, Yukitoshi Sanada (Keio Univ.), Satoshi Suyama (NTT DOCOMO), Fumiaki Maehara (Waseda Univ.), Tomoya Tandai (Toshiba), Toshihiko Nishimura (Hokkaido Univ.), Tetsuya Yamamoto (Panasonic), Koichi Ishihara (NTT), Kazushi Muraoka (NTT DOCOMO), Shinsuke Ibi (Osaka Univ.), Hiroshi Nishimoto (Mitsubishi Electric) |
[more] |
|
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 |
IN, RCS, NV (Joint) |
2018-05-10 16:40 |
Kanagawa |
Keio University |
[Invited Lecture]
Next generation WLAN exploitation for future wireless access systems Yasushi Takatori, Kenichi Kawamura, Koichi Ishihara (NTT) IN2018-5 RCS2018-30 |
Various wireless access systems are expected to be deployed in high density traffic area in future wireless systems. In ... [more] |
IN2018-5 RCS2018-30 pp.25-28(IN), pp.49-52(RCS) |
RCS, SR, SRW (Joint) |
2018-03-01 11:50 |
Kanagawa |
YRP |
[Technology Exhibit]
Wireless LAN with distributed smart antenna system Koichi Ishihara, Tomoki Murakami, Hirantha Abeysekera, Mamoru Akimoto, Toshiro Nakahira, Yasushi Takatori, Takafumi Hayashi, Hiroyuki Nakamura (NTT) RCS2017-356 SR2017-122 SRW2017-76 |
[more] |
RCS2017-356 SR2017-122 SRW2017-76 p.221(RCS), p.61(SR), p.47(SRW) |
SIP, IT, RCS |
2018-01-22 10:00 |
Kagawa |
Sunport Hall Takamatsu |
R&D activities for 5G in IEICE technical committee on radio communication systems in FY2016 Part I Hidekazu Murata (Kyoto Univ.), Yukitoshi Sanada (Keio Univ.), Eisuke Fukuda (Fujitsu Labs), Satoshi Suyama (NTT DOCOMO), Tomoya Tandai (Toshiba), Toshihiko Nishimura (Hokkaido Univ.), Tetsuya Yamamoto (Panasonic), Koichi Ishihara (NTT), Shinsuke Ibi (Osaka Univ.), Hiroshi Nishimoto (Mitsubishi Electric) IT2017-55 SIP2017-63 RCS2017-269 |
Towards the beginning of the service in 2020, technology trials and proof-of-concept activities are undergoing for the ... [more] |
IT2017-55 SIP2017-63 RCS2017-269 pp.1-5 |
SIP, IT, RCS |
2018-01-22 10:25 |
Kagawa |
Sunport Hall Takamatsu |
R&D activities for 5G in IEICE technical committee on radio communication systems in FY2016 Part II Yukitoshi Sanada (Keio Univ.), Hidekazu Murata (Kyoto Univ.), Eisuke Fukuda (Fujitsu Labs), Satoshi Suyama (NTT DOCOMO), Tomoya Tandai (Toshiba), Toshihiko Nishimura (Hokkaido Univ.), Tetsuya Yamamoto (Panasonic), Koichi Ishihara (NTT), Shinsuke Ibi (Osaka Univ.), Hiroshi Nishimoto (Mitsubishi Electric) IT2017-56 SIP2017-64 RCS2017-270 |
Towards the beginning of the service in 2020, technology trials and proof-of-concept activities are undergoing for the ... [more] |
IT2017-56 SIP2017-64 RCS2017-270 pp.7-11 |
AP, RCS (Joint) |
2017-11-08 17:10 |
Fukuoka |
Fukuoka University |
A distributed smart antenna system suitable for wireless LAN Tomoki Murakami, Koichi Ishihara, Hirantha Abeysekera, Mamoru Akimoto, Yasushi Takatori (NTT) RCS2017-223 |
[more] |
RCS2017-223 pp.105-110 |
AP, RCS (Joint) |
2017-11-09 14:50 |
Fukuoka |
Fukuoka University |
[Invited Lecture]
Development and experimental evaluation of cooperative wireless LAN with distributed smart antenna system Koichi Ishihara, Tomoki Murakami, Hirantha Abeysekera, Mamoru Akimoto, Yasushi Takatori, Takafumi Hayashi (NTT) AP2017-129 RCS2017-234 |
Wireless local area network (LAN) systems have recently seen explosive growth as the prevailing smart devices anywhere. ... [more] |
AP2017-129 RCS2017-234 pp.115-118(AP), pp.171-174(RCS) |
AP |
2017-10-20 09:50 |
Aomori |
Hchinohe-Shoukou-Kaikan |
Hardware Configuration of Distributed Antenna Selection for Uplink MU-MIMO Sho Yoshida, Kentaro Nishimori, Soichi Ito (Niigata Univ.), Tomoki Murakami, Koichi Ishihara, Yasushi Takatori (NTT) AP2017-99 |
[more] |
AP2017-99 pp.25-30 |
CQ (2nd) |
2017-10-16 16:15 |
Fukuoka |
Nishijin Plaza, Kyushu Univ. |
[Poster Presentation]
Dynamic Channel Bandwidth Control in High-Density WLANs Toshiro Nakahira, Tomoki Murakami, Koichi Ishihara, Mamoru Akimoto, Takafumi Hayashi (NTT) |
[more] |
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