Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
RCS, SR, SRW (Joint) |
2025-03-06 15:00 |
Kyoto |
Kyoto Institute of Technology (Kyoto, Online) (Primary: On-site, Secondary: Online) |
Evaluation of Spectrum Sharing in Adjacent Operation of Synchronous and Semi-synchronous TDD Patterns of Local 5G within Same Building Homare Murakami, Kazuo Ibuka, Hirokazu Sawada, Takeshi Matsumura (NICT) |
(To be available after the conference date) [more] |
|
PN, EMT, MWPTHz, IEE-EMT [detail] |
2025-01-23 13:00 |
Hyogo |
Arcrea Himeji (Hyogo, Online) (Primary: On-site, Secondary: Online) |
Development of Terahertz Clutter Loss Model in Urban Environment Kazuki Tsushima (NICT/Waseda Univ.), Hirokazu Sawada, Norihiko Sekine, Akihumi Kasamatsu (NICT), Tetsuya Kawanishi (NICT/Waseda Univ.), Takeshi Matsumura (NICT) PN2024-44 EMT2024-94 MWPTHz2024-82 |
Beyond 5G and 6G, terahertz-band communications between aircraft, High Altitude Platform Station (HAPS), satellites, and... [more] |
PN2024-44 EMT2024-94 MWPTHz2024-82 pp.21-24 |
RCS, AP (Joint) |
2024-11-14 11:25 |
Ishikawa |
(Ishikawa, Online) (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Power Delay Profile Characterization for Terahertz Band Communications Hirokazu Sawada, Azril Haniz, Shingo Saito, Inagaki Keizo, Akifumi Kasamatsu, Norihiko Sekine (NICT), Suren Singh, David Van Workum, Kenichi Inoue, Satoru Takahashi (Keysight Technology), Takeshi Matsumura (NICT) AP2024-145 RCS2024-160 |
The use of the terahertz frequency band is being considered as a frequency band for next-generation wireless communicati... [more] |
AP2024-145 RCS2024-160 pp.56-61(AP), pp.44-49(RCS) |
RCS, AP (Joint) |
2024-11-14 16:25 |
Ishikawa |
(Ishikawa, Online) (Primary: On-site, Secondary: Online) |
Reflected and Diffracted Wave Power Calculation Method based on Wavelength and Object Size
-- Evaluation in Office Environments -- Azril Haniz, Hirokazu Sawada, Takeshi Matsumura (NICT) AP2024-149 |
In order to reduce the errors of the simulated received power at sub-6 GHz frequencies due to the wavelength being large... [more] |
AP2024-149 pp.75-80 |
RCS |
2024-10-17 13:45 |
Tokyo |
(Tokyo, Online) (Primary: On-site, Secondary: Online) |
[Invited Lecture]
R&D of the Wireless Emulation Technology Realizing the Digital-Twin Enabled Evaluation Environment
-- An Expected Testbed toward B5G R&D and Implementation -- Fumihide Kojima, Masahiro Takagi, Shinsuke Miwa, Toshiyuki Miyachi, Takeshi Matsumura, Hirokazu Sawada, Hiroaki Harai (NICT), Jun-ichi Takada (Science Tokyo), Hiroshi Harada (Kyoto Univ,.) RCS2024-138 |
This paper reports on the research and development of the wireless emulation technology that enables effective and criti... [more] |
RCS2024-138 pp.20-25 |
CQ, MIKA (Joint) |
2024-09-25 13:00 |
Hokkaido |
(Hokkaido, Online) (Primary: On-site, Secondary: Online) |
[Invited Talk]
Radio wave propagation study and wireless communication simulation in factory environment Hirokazu Sawada, Azril Haniz, Takeshi Matsumura (NICT) CQ2024-52 |
Research and development of a wireless emulator is being conducted to emulate and evaluate of communication and radio pr... [more] |
CQ2024-52 pp.54-59 |
SRW, MWPTHz |
2024-06-07 09:20 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. (Tokyo, Online) (Primary: On-site, Secondary: Online) |
Applicability of Terahertz Clutter Loss Model in Urban Environment Kazuki Tsushima (NICT/Waseda Univ.), Hirokazu Sawada, Norihiko Sekine, Akihumi Kasamatsu (NICT), Tetsuya Kawanishi (NICT/Waseda Univ.), Takeshi Matsumura (NICT) SRW2024-1 MWPTHz2024-1 |
Beyond 5G and 6G, terahertz band communications between aircraft, high-altitude platforms (HAPS), satellites, and the gr... [more] |
SRW2024-1 MWPTHz2024-1 pp.1-4 |
RCS |
2024-04-26 13:50 |
Hiroshima |
(Hiroshima, Online) (Primary: On-site, Secondary: Online) |
Basic Study on FSK Transmission in Terahertz Band Masafumi Moriyama, Masahiro Yamazoe, Hirokazu Sawada, Takeshi Matsumura (NICT) RCS2024-13 |
Wireless transmission in the terahertz band enables high-speed data transfer due to its expansive bandwidth. However, lo... [more] |
RCS2024-13 pp.60-65 |
RCS, SR, SRW (Joint) |
2024-03-15 13:25 |
Tokyo |
The University of Tokyo (Hongo Campus), and online (Tokyo, Online) (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Construction of the evaluation environment employed for the wireless emulator
-- Configuration and basic tests for the large-scale virtual evaluation environment -- Fumihide Kojima, Shinsuke Miwa, Toshiyuki Miyachi, Takeshi Matsumura, Hirokazu Sawada, Hiroaki Harai (NICT), Jun-ichi Takada (Tokyo Tech), Hiroshi Harada (Kyoto Univ.) SRW2023-73 |
This paper reports on the construction of the evaluation environment for wireless emulator that enables evaluations on a... [more] |
SRW2023-73 pp.100-105 |
RCS, SR, SRW (Joint) |
2024-03-15 13:50 |
Tokyo |
The University of Tokyo (Hongo Campus), and online (Tokyo, Online) (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Radio Channel Emulation in Cyber-Physical Wireless Emulator Jun-ichi Takada, Nopphon Keerativoranan (Tokyo Tech), Tatsuya Nagao, Takahiro Hayashi (KDDI Research), Minseok Kim (Niigata Univ.), Yukiko Kishiki, Kenshi Horihata, Gilbert Sih Ching, Kento Sugiyama (KKE), Kentaro Saito (Tokyo Tech), Tetsuro Imai, Miyuki Hirose (TDU), Azril Haniz, Hirokazu Sawada, Takeshi Matsumura (NICT) SRW2023-74 |
This report presents a specific implementation of radio channel emulation techniques and data in the cyber-physical wire... [more] |
SRW2023-74 pp.106-111 |
RCS, SR, SRW (Joint) |
2024-03-15 14:50 |
Tokyo |
The University of Tokyo (Hongo Campus), and online (Tokyo, Online) (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Development of virtual nodes and reconfigurable radio devices for the IEEE 802.11 based wireless emulation
-- Implementations of IEEE 802.11g/ax protocol stacks and interoperability tests -- Fumihide Kojima, Masahiro Takagi, Toshiyuki Miyachi, Takeshi Matsumura, Hirokazu Sawada, Hiroaki Harai (NICT), Jun-ichi Takada (Tokyo Tech), Hiroshi Harada (Kyoto Univ) SRW2023-76 |
This paper reports on the developed IEEE 802.11 based virtual nodes and reconfigurable radio devices employed in the wir... [more] |
SRW2023-76 pp.118-123 |
RCS, SR, SRW (Joint) |
2024-03-15 15:40 |
Tokyo |
The University of Tokyo (Hongo Campus), and online (Tokyo, Online) (Primary: On-site, Secondary: Online) |
[Invited Lecture]
Optimal Utilization Technology of Wireless Communications for Smart Office Systems Ayaka Sakaguchi, Kensuke Sakamoto, Yuki Yamakawa, Waka Mimura (KOKUYO), Hirokazu Sawada, Fumihide Kojima, Takeshi Matsumura (NICT) SRW2023-78 |
[more] |
SRW2023-78 pp.129-134 |
SR |
2024-01-25 10:55 |
Nagano |
Nagano-ken JA building (Nagano, Online) (Primary: On-site, Secondary: Online) |
Joint Sensing of Wideband Sparse Angular-Frequency Spectrum based on Compressive Sensing
-- Experimental Verification in the 4.8GHz Band -- Azril Haniz, Hirokazu Sawada, Takeshi Matsumura (NICT) SR2023-70 |
Recent trends have shown that spectrum regulators are opening up more shared spectrum bands for fifth generation mobile ... [more] |
SR2023-70 pp.9-16 |
SR |
2024-01-25 11:20 |
Nagano |
Nagano-ken JA building (Nagano, Online) (Primary: On-site, Secondary: Online) |
Radiation Pattern Evaluation of Drone-mounted Antenna to Improve Accuracy of Wireless Emulator Hirokazu Sawada, Takashi Matsuda, Kyoichi Iigusa, Takeshi Matsumura (NICT) SR2023-71 |
[more] |
SR2023-71 pp.17-21 |
MIKA (3rd) |
2023-10-11 14:30 |
Okinawa |
Okinawa Jichikaikan (Okinawa, Online) (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) |
With the spread of "local 5G," which allows companies and local governments to build 5th-generation mobile communication... [more] |
|
SeMI, RCS, RCC, NS, SR (Joint) |
2023-07-14 13:35 |
Osaka |
Osaka University Nakanoshima Center + Online (Osaka, 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 (Okinawa, Online) (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 (Okinawa, Online) (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 (Toyama, Online) (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 (Tokyo, 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 |
|