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Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 74  /  [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]
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)
 [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
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
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