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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MIKA (3rd) |
2023-10-11 14:30 |
Okinawa | Okinawa Jichikaikan (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Verified the effectiveness of the simulator on radio waves in building a local 5G communication Ryo Shoda, Ryohei Kotaka (TOPPAN), Homare Murakami, Hirokazu Sawada, Takeshi Matsumura (NICT) |
(To be available after the conference date) [more] | |
| SeMI, RCS, RCC, NS, SR (Joint) |
2023-07-14 13:35 |
Osaka | Osaka University Nakanoshima Center + Online (Primary: On-site, Secondary: Online) |
Deep Learning-Based Radio Estimation Using Indoor Building Information Changwoo Pyo, Hirokazu Sawada, Takeshi Matsumura (NICT)  RCS2023-98 |
[more] | RCS2023-98 pp.97-102 |
| AP | 2023-05-11 14:55 |
Okinawa | Okinawa Gender Equality Center (Primary: On-site, Secondary: Online) |
Reflected and Diffracted Wave Power Calculation Method based on Wavelength and Object Size
-- Preliminary Investigation of Localized Parameter Tuning -- Azril Haniz, Hikaru Kawasaki (NICT), Genki Hosokawa, Takuro Urushibata (YAZAKI Corporation), Yasuyuki Yanagi (Yazaki Energy System Corporation), Tadahide Kunitachi (YAZAKI Corporation), Hirokazu Sawada, Takeshi Matsumura (NICT) AP2023-15 |
In order to reduce the errors of the simulated received power at sub-6 GHz frequencies due to the wavelength being large... [more] | AP2023-15 pp.37-42 |
| AP | 2023-05-12 10:25 |
Okinawa | Okinawa Gender Equality Center (Primary: On-site, Secondary: Online) |
Investigation of terahertz band indoor propagation loss model Hirokazu Sawada, Kazuki Tsushima, Riku Yoshino, Keizo Inagaki, Atsushi Kanno, Katsumi Fujii, Jerdvisanop Chakarothai, Norihiko Sekine, Akifumi Kasamatsu, Hiroyo Ogawa, Takeshi Matsumura (NICT) AP2023-18 |
Sub-terahertz and terahertz waves are being considered for use in next-generation wireless communications to enable seve... [more] | AP2023-18 pp.54-58 |
| AP | 2023-03-16 14:35 |
Toyama | Toyama Prefectural Civic Hall (Primary: On-site, Secondary: Online) |
A Study on Propagation Loss Measurement Scheme using CW Signal under Burst-Interference Environments Tomoaki Kumagai, Kenta Takishima, Mio Ishida (NTT-AT), Masanori Ichinose (NTT Com), Hirokazu Sawada, Homare Murakami, Takeshi Matsumura (NICT) AP2022-238 |
Radio wave propagation models are essential for designing wireless networks such as beyond 5G/6G networks. Generally, pr... [more] | AP2022-238 pp.25-30 |
| RCS, SR, SRW (Joint) |
2023-03-02 11:15 |
Tokyo | Tokyo Institute of Technology, and Online (Primary: On-site, Secondary: Online) |
Spectrum Sharing on Evaluation of Mixture of Synchronous TDD and Semi-synchronous TDD Local 5G in Building Homare Murakami, Hirokazu Sawada, Takeshi Matsumura (NICT) SR2022-87 |
Local 5G offers a choice of several TDD patterns to support various types of use cases. Besides synchronous TDD, which i... [more] | SR2022-87 pp.16-23 |
| AP | 2023-02-16 11:00 |
Miyagi | Tohoku University, Aobayama Campus (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Channel model development for factory environment in the wireless emulator project Hirokazu Sawada, Azril Haniz, Takeshi Matsumura (NICT) AP2022-212 |
Research and development of a wireless emulator is being conducted to realize real-time emulation and evaluation of comm... [more] | AP2022-212 pp.83-88 |
| AP | 2023-02-17 11:50 |
Miyagi | Tohoku University, Aobayama Campus (Primary: On-site, Secondary: Online) |
Development of Sub-6 GHz Double-Directional Radio Channel Sounder and Urban Cellular Channel Measurement Results Minseok Kim, Tsukada Hibiki, Riku Takahashi, Naoya Suzuki, Hino Issei (Niigata Univ.), Hirokazu Sawada, Takeshi Matsumura (NICT) AP2022-225 |
In recent years, usage scenarios have diversified with the development of wireless communication technology. The importa... [more] | AP2022-225 pp.157-162 |
| SRW | 2023-01-16 11:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
Propagation Characteristics Analysis in Minimal Fab Factory Environment Hirokazu Sawada, Azril Haniz, Chang-Woo Pyo, Takeshi Matsumura (NICT) SRW2022-37 |
Propagation models need to be developed to verify the use of wireless systems in factory environments in advance. Since ... [more] | SRW2022-37 pp.13-18 |
| SRW, SeMI, CNR (Joint) |
2022-11-24 13:20 |
Tochigi | Epinard Nasu (Primary: On-site, Secondary: Online) |
Reflected and Diffracted Wave Power Calculation Method based on Wavelength and Object Size
-- Preliminary Verification in a Factory Environment -- Azril Haniz, Hirokazu Sawada, Hikaru Kawasaki, Kazuo Ibuka, Fumihide Kojima, Takeshi Matsumura (NICT), Kensuke Matsui, Genki Hosokawa (YAZAKI Corporation), Yasuyuki Yanagi (Yazaki Energy System Corporation), Tadahide Kunitachi (YAZAKI Corporation) SRW2022-17 |
In this paper, the received power calculated using ray-tracing simulations is compared with measurement data obtained in... [more] | SRW2022-17 pp.7-12 |
| AP | 2022-10-20 15:35 |
Gifu | GIFU CITY CULTURE CENTER (Primary: On-site, Secondary: Online) |
Radiation Pattern Analysis and Measurement on Vehicle Shape for Automotive Antenna Hirokazu Sawada, Kyoichi Iigusa, Takashi Matsuda, Takeshi Matsumura (NICT) AP2022-144 |
In the research and development of wireless emulators, which enable the verification of various wireless systems in a vi... [more] | AP2022-144 pp.228-232 |
| SRW | 2022-08-22 10:15 |
Online | 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) SRW2022-9 |
In this paper, analysis of a long term radio propagation channel measurement to investigate the temporal fluctuations of... [more] | SRW2022-9 pp.2-7 |
| NS, SR, RCS, SeMI, RCC (Joint) |
2022-07-13 15:35 |
Ishikawa | The Kanazawa Theatre + Online (Primary: On-site, Secondary: Online) |
Wireless Measurement by Deep Learning for Indoor Environments Changwoo Pyo, Hirokazu Sawada, Takeshi Matsumura (NICT) RCS2022-74 |
[more] | RCS2022-74 pp.32-37 |
| 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 |
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