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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 42  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
SRW 2022-08-22
10:15
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
Analysis of 2.4 GHz Band Received Power Fluctuation in a Factory Environment
Azril Haniz, Hirokazu Sawada, Hikaru Kawasaki, Kazuo Ibuka, Takeshi Matsumura, Fumihide Kojima (NICT), Kensuke Matsui, Genki Hosokawa (YAZAKI Corporation), Yasuyuki Yanagi (Yazaki Energy System Corporation), Tadahide Kunitachi (YAZAKI Corporation)
 [more]
SRW 2022-06-20
10:30
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
Delay Profile Measurement and Channel Model Study for Factory Environment
Hirokazu Sawada, Hikaru Kawasaki, Azril Haniz, Kazuo Ibuka, FUmihide Kojima, Takeshi Matsumura (NICT), Kensuke Matsui, Kotaro Ikeda, Genki Hosokawa, Takuto Kurose (YAZAKI), Yasuyuki Yanagi (YAZAKI ES), Tadahide Kunitachi (YAZAKI) SRW2022-1
 [more] SRW2022-1
pp.1-5
RCS, SR, SRW
(Joint)
2022-03-02
13:05
Online Online Fast Network Switching between Public and Local 5G Networks -- Aiming to Improve Local 5G Connectivity --
Kazuo Ibuka, Takeshi Matsumura (NICT) RCS2021-264
Various countries are attempting to apply the 5th generation mobile communication system (5G) to private networks, and L... [more] RCS2021-264
pp.68-73
RCS, SR, SRW
(Joint)
2022-03-02
13:30
Online Online Trial Results of Multipath TCP in Heterogeneous Mobile Network
Hikaru Kawasaki, Kazuo Ibuka, Fumihide Kojima, Matsumura Takeshi (NICT) RCS2021-265
This paper reports the results of the field trials using a testbed to investigate the effectiveness of inter-operator li... [more] RCS2021-265
pp.74-79
SRW 2021-06-21
09:00
Online Online Analysis of 920MHz band received power fluctuation in a factory environment
Hirokazu Sawada, Hikaru Kawasaki, Azril Haniz, Kazuo Ibuka, Fumihide Kojima, Takeshi Matsumura (NICT), Kotaro Ikeda, Kensuke Matsui, Takuto Kurose (YAZAKI), Yasuyuki Yanagi (YAZAKI ES), Tadahide Kunitachi (YAZAKI) SRW2021-1
 [more] SRW2021-1
pp.1-6
RCS, IN, NV
(Joint)
2021-05-28
10:40
Online Online Propagation Measurement and Communication Experiments using WLAN Devices for Constructing an Information Collection System in the Factory Environment
Kotaro Ikeda, Takuto Kurose, Kensuke Matsui (YAZAKI), Yasuyuki Yanagi (YAZAKI ES), Tadahide Kunitachi (YAZAKI), Hirokazu Sawada, Kazuo Ibuka, Takeshi Matsumura, Fumihide Kojima (NICT) RCS2021-24
In this paper, we conducted radio wave propagation measurement and communication experiments using WLAN devices in an op... [more] RCS2021-24
pp.47-52
SR 2021-05-21
14:00
Online Online [Technology Exhibit] 5G experimental trial based on smart spectrum
Kenta Umebayashi, Hiroki Iwata (TUAT), Hirofumi Nakajo (UEC), Hikaru Kawasaki (NICT), Yusaku Babazono, Yoshinori Yahiro (TUAT), Takeo Fujii, Koichi Adachi, Taiki Matsushima (UEC), Yusuke Shibata (ECATV), Kazuo Ibuka, Takeshi Matsumura, Fumihide Kojima (NICT) SR2021-18
 [more] SR2021-18
pp.120-127
RCS, SR, SRW
(Joint)
2021-03-05
10:30
Online Online Propagation Measurement using 920 MHz band Wireless Device to Construct the Information Collection System in a Factory Environment
Hirokazu Sawada, Kazuo Ibuka, Takeshi Matsumura, Fumihide Kojima (NICT), Kotaro Ikeda, Kensuke Matsui, Takuto Kurose (YAZAKI), Yasuyuki Yanagi (YAZAKI ES), Tadahide Kunitachi (YAZAKI) SRW2020-75
 [more] SRW2020-75
pp.77-81
CS 2020-11-06
13:55
Online Online + Central Community Center, Nonoichi Community Center
(Primary: Online, Secondary: On-site)
[Invited Lecture] Technology for Improving Connectivity with Local Networks Assuming Local 5G and Its Demonstration
Takeshi Matsumura, Kazuo Ibuka, Hikaru Kawasaki, Fumihide Kojima (NICT) CS2020-61
Local 5G is expected as a system that enables a unique and advanced local network according to respective local demands.... [more] CS2020-61
pp.69-74
SR, NS, SeMI, RCC, RCS
(Joint)
2020-07-10
13:55
Online Online Field Trial of Millimeter Wave Local Network System based on RoF Technology in Railway Environment
Hikaru Kawasaki, Kazuo Ibuka, Azril Haniz, Takeshi Matsumura, Fumihide Kojima (NICT), Daiki Shibahara, Kenichiro Kamohara, Fumitoshi Abe, Reiji Ishima, Shimpei Toyoda, Youichi Watanabe, Takashi Sugawara (JR-EAST), Shogo Ogawa, Daisuke Yamaguchi, Koki Iwamoto, Kazuki Nakamura (RTRI) RCS2020-75
For mobile vehicles like trains and automobiles, it is important for local operators to efficiently deploy linear cells ... [more] RCS2020-75
pp.99-104
RCS 2020-04-23
10:00
Online Online Development of Millimeter Wave Local Network System with Service Area Extension based on RoF Technology
Takeshi Matsumura, Hikaru Kawasaki, Kazuo Ibuka, Fumihide Kojima (NICT) RCS2020-1
Currently, Local 5G (5th Generation Communication System), which provides private services within limited sites such as ... [more] RCS2020-1
pp.1-6
RCS 2020-04-23
10:35
Online Online Demonstration Experiment of Virtual Pre-Connection Scheme for Trains with Millimeter Wave Railway Linear Cell
Kazuo Ibuka, Hikaru Kawasaki, Azril Haniz, Takeshi Matsumura, Fumihide Kojima (NICT), Daiki Shibahara, Kenichiro Kamohara, Fumitoshi Abe, Reiji Ishima (JR-EAST), Shogo Ogawa, Daisuke Yamaguchi, Koki Iwamoto, Kazuki Nakamura (RTRI) RCS2020-2
In the fifth generation mobile communication system (5G), the use of small cells in the super high frequency (SHF) band ... [more] RCS2020-2
pp.7-11
RCS 2019-10-24
15:25
Kanagawa Yokosuka Research Park [Invited Lecture] R&D on Cooperative Control Schemes Suitable for Local 5G
Hikaru Kawasaki, Kazuo Ibuka, Homare Murakami, Kentaro Ishizu, Takeshi Matsumura, Fumihide Kojima (NICT) RCS2019-188
The fifth-generation mobile system (5G) is expected to be utilized as a communication infrastructure for a variety of em... [more] RCS2019-188
pp.57-62
SR 2019-05-31
10:00
Tokyo Tokyo Big Sight [Technology Exhibit] Empirical Throughput Evaluation for IEEE 802.11af Channel Aggregation
Takeshi Matsumura, Kazuo Ibuka, Homare Murakami, Kentaro Ishizu, Fumihide Kojima (NICT) SR2019-15
In this study, we empirically evaluate throughput in the IEEE 802.11af CA (Channel Aggregation) mode using the previousl... [more] SR2019-15
pp.91-95
RCS, SR, SRW
(Joint)
2019-03-06
10:30
Kanagawa YRP Prototype of IEEE 802.11af Radio Equipment with Channel Aggregation
Takeshi Matsumura, Kazuo Ibuka, Homare Murakami, Kentaro Ishizu, Fumihide Kojima (NICT) SR2018-121
IEEE 802.11af was standardized in 2013 as a WLAN (Wireless Local Area Network) system operated at TVWS (TV White-spaces)... [more] SR2018-121
pp.1-8
RCS, SR, SRW
(Joint)
2019-03-06
16:55
Kanagawa YRP Fast Connection to Local Spot Cell using Virtual Pre-Connection Scheme
Kazuo Ibuka, Takeshi Matsumura, Homare Murakami, Kentaro Ishizu, Fumihide Kojima (NICT) RCS2018-301
In the 5th generation mobile communication system (5G), the usage of higher frequency bands including millimeter-wave ba... [more] RCS2018-301
pp.107-112
RCS, SR, SRW
(Joint)
2019-03-08
10:40
Kanagawa YRP [Invited Lecture] NICT's R&D toward flexible utilization of self-operated wireless systems in 5G era
Kentaro Ishizu, Homare Murakami, Kazuo Ibuka, Takeshi Matsumura, Stanislav Filin, Hikaru Kawasaki, Fumihide Kojima (NICT) SRW2018-71
 [more] SRW2018-71
pp.67-72
RCS, SR, SRW
(Joint)
2018-02-28
14:35
Kanagawa YRP IEEE 802.11af-based Multihop Experiment in the Philippines under the ASEAN-IVO Project on TV White Space for Social Deployment
Alberto S Banacia, Antonio C Montejo (USC), Hirokazu Sawada, Kentaro Ishizu, Kazuo Ibuka, Takeshi Matsumura, Fumihide Kojima (NICT)
 [more]
SR 2018-01-25
13:25
Fukuoka Fukuoka univ. Development of Shared Base Station Supporting Millimeter Wave Bands for Network Sharing Scenario in 5G System
Takeshi Matsumura, Kazuo Ibuka, Homare Murakami, Kentaro Ishizu, Fumihide Kojima (NICT) SR2017-94
In the 5G and beyond cellular networks, micro-cells using mmW (millimeter Wave) bands will be densely deployed to en-han... [more] SR2017-94
pp.1-8
SR, SRW
(Joint)
2017-10-24
14:00
Overseas Grand Hotel Palatino, Rome, Italy [Poster Presentation] A Proposal for Carrier Sense using Control Channel in LTE Systems -- Toward Spectrum Sharing between Different Operators --
Hikaru Kawasaki, Kazuo Ibuka, Kentaro Ishizu, Fumihide Kojima (NICT) SR2017-88 SRW2017-38
In spectrum sharing, Carrier Sense (CS) to detect other radio entities is very important in situations where coordinatio... [more] SR2017-88 SRW2017-38
pp.61-62(SR), pp.55-56(SRW)
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