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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 70  /  [Next]  
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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