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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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 |
| AP | 2022-06-16 14:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
Millimeter-Wave Cluster Channel Characterization in Urban Cellular Access Environment Hibiki Tsukada, Naoya Suzuki, Riku Takahashi, Minseok Kim (Niigata Univ.), Hirokazu Sawada, Takeshi Matsumura (NICT) AP2022-33 |
[more] | AP2022-33 pp.22-27 |
| RCS, SR, SRW (Joint) |
2022-03-02 15:25 |
Online | Online | A Study on Spectrum Sharing of Multiple Local 5G gNBs by Different Operators in a Building Homare Murakami, Hirokazu Sawada, Takeshi Matsumura (NICT) SR2021-97 |
Two years after the first regulation of Local 5G was institutionalized, new spectrums are added to Local 5G and some of ... [more] | SR2021-97 pp.55-62 |
| RCS, SR, SRW (Joint) |
2022-03-03 09:55 |
Online | Online | A Consideration of Indoor Propagation Models in the 232-330 GHz Band Hirokazu Sawada, Takeshi Matsumura, Keizo Inagaki, Atsushi Kanno, Katsumi Fujii, Jerdvisanop Chakarothai, Norihiko Sekine, Akifumi Kasamatsu, Hiroyo Ogawa (NICT) SRW2021-72 |
[more] | SRW2021-72 pp.17-20 |
| AP | 2022-02-17 09:25 |
Online | Online | Development of 24- and 60-GHz Dual-Band Double-Directional Channel Sounder Hibiki Tsukada, Keiichiro Kumakura, Naoya Suzuki, Riku Takahashi, Minseok Kim (Niigata Univ.), Hirokazu Sawada, Takeshi Matsumura (NICT) AP2021-158 |
In recent years, the use of millimeter-wave bands has been expanding in new wireless communication systems such as the 5... [more] | AP2021-158 pp.1-6 |
| SRW | 2021-08-24 13:30 |
Online | Online | [Panel Discussion]
Examples of Propagation Model Development and Future Challenges Hirokazu Sawada, Takeshi Matsumura (NICT) SRW2021-19 |
[more] | SRW2021-19 pp.16-17 |
| SRW | 2021-08-24 14:15 |
Online | Online | [Invited Lecture]
On the Radio Propagation Modeling for Advanced Wireless Emulator Based on Cyber Physical Fusion Jun-ichi Takada, Nopphon Keerativoranan (Tokyo Tech), Takahiro Hayashi (KDDI Research), Minseok Kim (Niigata Univ), Yukiko Kishiki, Wataru Okamura (KKE), Kentaro Saito (Tokyo Tech), Tetsuro Imai, Miyuki Hirose (TDU), Hirokazu Sawada, Takeshi Matsumura (NICT) SRW2021-23 |
This report presents the radio propagation modeling technology for the implementation of advanced wireless emulator base... [more] | SRW2021-23 pp.21-26 |
| SRW | 2021-08-24 15:05 |
Online | Online | [Invited Lecture]
A study of speed-up method by reducing the number of paths of intra-factory radio wave propagation simulation including dynamic shielding by ray tracing calculation in CPS emulator Masayuki Shirakawa, Rei Furukawa, Yukiko Kishiki (KKE), Hirokazu Sawada, Takeshi Matsumura, Fumihide Kojima (NICT) SRW2021-25 |
In this presentation, we outline the development of a wireless emulator as part of the Ministry of Internal Affairs and ... [more] | SRW2021-25 pp.33-38 |
| SRW | 2021-08-24 15:40 |
Online | Online | [Invited Lecture]
Platform for Wireless System Emulation Based on Cyber Physical Fusion Takeshi Matsumura, Hirokazu Sawada, Toshiyuki Miyachi, Fumihide Kojima, Hiroaki Harai, Hiroshi Harada (NICT) SRW2021-26 |
In Society 5.0, it is expected that the utilization of wireless communication will expand into various fields and play a... [more] | SRW2021-26 pp.39-44 |
| SRW | 2021-08-24 16:05 |
Online | Online | [Invited Lecture]
Analysis of received power fluctuation and graphic design for 3D visualization of radio wave propagation in an office enviroment Ayaka Sakaguchi (KOKUYO), Hirokazu Sawada (NICT), Kensuke Sakamoto, Yuki Yamakawa, Waka Mimura (KOKUYO), Takeshi Matsumura, Fumihide Kojima (NICT) SRW2021-27 |
In an office planning and design process, the stability evaluation of wireless communication is carried out by experts s... [more] | SRW2021-27 pp.45-49 |
| SRW | 2021-08-24 16:30 |
Online | Online | [Invited Lecture]
Characteristic Reflection of structures by using the millimeter wave Radar Masayuki Kishida, Hiroshi Kobayashi, Yoshihisa Nishigori (OTSL), Hirokazu Sawada, Fumihide Kojima, Takeshi Matsumura (NICT) SRW2021-28 |
The use of radio waves is increasing due to the use of V2X and millimeter wave radar in automated driving. In the past, ... [more] | SRW2021-28 pp.50-53 |
| AP, SANE, SAT (Joint) |
2021-07-30 11:40 |
Online | Online | Directivity Verification of Mounted Antennas for Radio Emulator Hirokazu Sawada, Takashi Matsuda, Kyoichi Iigusa, Fumihide Kojima, Takeshi Matsumura (NICT) AP2021-41 |
[more] | AP2021-41 pp.97-102 |
| 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 |
| 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 |
| AP (2nd) |
2020-12-10 13:20 |
Okinawa | Nobumoto Ohama Memorial Hall (Primary: On-site, Secondary: Online) |
300 GHz Antennas Pattern Measurement over the entire circumference
-- To Extend the Applicable Frequency Range of Recommendation ITU-R F.699 for 6G -- Keizo Inagaki, Hirokazu Sawada, Katsumi Fujii, Hiroyo Ogawa, Atsushi Kanno, Fumihide Kojima, Shingo Saito, Norihiko Sekine, Akifumi Kasamatsu, Iwao Hosako (NICT) |
[more] | |
| SR | 2020-11-20 10:50 |
Online | Online | Advanced Radio Emulation System toward B5G Network Based on Cyber Physical Fusion
-- Large-scale Virtual Radio Evaluation Testbed with Cyber and Physical Radio Nodes -- Takeshi Matsumura, Hirokazu Sawada, Fumihide Kojima, Toshiyuki Miyachi, Hiroaki Harai, Iwao Hosako (NICT), Jun-ichi Takada (Tokyo Tech), Hiroshi Harada (Kyoto Univ) SR2020-41 |
In the Society5.0 era, spectrum shortage and spectrum efficiency degradation will become more serious. To solve these pr... [more] | SR2020-41 pp.120-127 |
| SR | 2018-10-30 10:30 |
Overseas | Mandarin Hotel, Bangkok, Thailand | [Poster Presentation]
A study of network capacity improvement by introducing micro-cell operator concept Homare Murakami, Hirokazu Sawada, Kentaro Ishizu, Fumihide Kojima (NICT) SR2018-64 |
Micro-cell base stations using millimeter-wave band will be deployed in 5G systems. It may difficult to cover wide area ... [more] | SR2018-64 pp.13-14 |
| 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] | |
| AP | 2018-02-16 10:55 |
Tokyo | Kozo Keikaku Engineering, Inc. | [Invited Lecture]
Penetration Loss Measurement at 300 GHz Hirokazu Sawada, Kentaro Ishizu, Fumihide Kojima, Keizo Inagaki, Hiroyo Ogawa, Katsumi Fujii, Akifumi Kasamatsu, Iwao Hosako (NICT) AP2017-181 |
[more] | AP2017-181 pp.31-35 |
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