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All Technical Committee Conferences (All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| IT, RCS, SIP | 2023-01-25 11:30 |
Gunma | Maebashi Terrsa (Primary: On-site, Secondary: Online) |
A Parameter Adjustment Sheme for Analog Self-Interference Canceller in Multiband Full-Duplex Base Station Supporting Wideband Signal Takeshi Matsumura (NICT) |
[more] | |
| 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) |
[more] | |
| 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 |
| RCS, AP, UWT (Joint) |
2022-11-15 11:25 |
Fukuoka | Kyushu University, and Online (Primary: On-site, Secondary: Online) |
[Encouragement Talk]
Theoretical Analysis of In-Band Full-Duplex Radio with Polynomial Digital Predistorter Kazuki Komatsu, Takeshi Matsumura (NICT) RCS2022-159 |
Self-interference cancellation is necessary to realize in-band full-duplex systems, which improve the spectral efficienc... [more] | RCS2022-159 pp.25-30 |
| RCS, AP, UWT (Joint) |
2022-11-17 14:35 |
Fukuoka | Kyushu University, and Online (Primary: On-site, Secondary: Online) |
A Study of Communication Environment Estimation Using Deep Learning in Spectrally Efficient Frequency Division Multiplexing Shun Kojima (Tokyo Univ.), Kazuki Komatsu, Takeshi Matsumura (NICT), Kanemitsu Ootsu, Takashi Yokota (Utsunomiya Univ.) RCS2022-181 |
[more] | RCS2022-181 pp.149-154 |
| RCS | 2022-10-28 09:00 |
Ehime | Ehime University, and online (Primary: On-site, Secondary: Online) |
Performance Evaluation of Large Spectrally Efficient Frequency Division Multiplexing with Haar Precoding and Its Parallel Interference Cancellation and Detection Based on Expectation Propagation Kazuki Komatsu (NICT), Shun Kojima (Univ. Tokyo), Takeshi Matsumura (NICT) RCS2022-141 |
By narrowing the frequency spacing of each subcarrier, spectrally-efficient frequency division multiplexing (SEFDM) can ... [more] | RCS2022-141 pp.59-64 |
| 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 |
| CS | 2022-07-14 14:40 |
Kagoshima | Yakushima Environmental and Cultural Village Center (Primary: On-site, Secondary: Online) |
[Special Invited Talk]
Research on underwater wireless technology using radio waves Takashi Matsuda, Ryotaro Suga, Ken-ichi Takizawa, Takeshi Matsumura (NICT) CS2022-25 |
Japan has the 6th largest exclusive economic zone in the world and is one of the countries with the potential to become ... [more] | CS2022-25 pp.47-52 |
| CS | 2022-07-15 10:50 |
Kagoshima | Yakushima Environmental and Cultural Village Center (Primary: On-site, Secondary: Online) |
Trapezoidal Block Householder Reflector and Its Application to Precoding Hikaru Kawasaki, Takeshi Matsumura (NICT) CS2022-32 |
Orthonormalization like singular value decomposition and QR decomposition is closely related to solution representation ... [more] | CS2022-32 pp.83-88 |
| 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 | 2022-06-17 15:45 |
Okinawa | University of the Ryukyus, Senbaru Campus and online (Primary: On-site, Secondary: Online) |
Design of Wireless Path Management System to Stabilize Wireless Communication for Mobile Devices Taketoshi Nakajima, Fumiko Ohori, Akihiro Amagai, Toru Osuga, Satoko Itaya, Takeshi Matsumura (NICT) RCS2022-67 |
In recent years, the introduction of mobile devices such as Automated Guided Vehicle (AGV) has been promoted in factory ... [more] | RCS2022-67 pp.253-257 |
| IT, ISEC, RCC, WBS | 2022-03-11 17:05 |
Online | Online | A Proposal of UWB Channel Access Control Based on Pilot Narrow-Band Radio Sensing Huan-Bang Li, Takeshi Matsumura (NICT) IT2021-138 ISEC2021-103 WBS2021-106 RCC2021-113 |
We propose UWB channel access control based on pilot narrow-band radio sensing. In particular, we propose cooperative sc... [more] | IT2021-138 ISEC2021-103 WBS2021-106 RCC2021-113 pp.319-324 |
| 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) |
2022-03-02 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) |
2022-03-03 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 |
| RCS, SIP, IT | 2022-01-21 10:55 |
Online | Online | Performance Evaluation of Analog Self-interference Cancellation Circuit in Combination with Antenna for Multi-band Full-duplex Base Station Takeshi Matsumura (NICT) IT2021-74 SIP2021-82 RCS2021-242 |
In-band full-duplex (IBFD) wireless communication is expected as a technology that ideally doubles the spectrum efficien... [more] | IT2021-74 SIP2021-82 RCS2021-242 pp.258-263 |
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