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All Technical Committee Conferences  (Searched in: Recent 10 Years)

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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 15 of 15  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
AP 2024-03-15
10:25
Fukui UNIVERSITY OF FUKUI (Fukui, Online)
(Primary: On-site, Secondary: Online)
A Study on Path loss characteristics estimation methods considering geographical conditions for designing narrowband DR-IoT communication system
Takato Ikegame, Naoki Ikeda, Motonari Imai, Tetsushi Ikegami (Meiji Univ.), Mineo Takai (Osaka Univ.), Susumu Ishihara (Shizuoka Univ.), Arata Kato, Shugo Kajita (STE) AP2023-212
A versatile variable-range IoT communication system using the VHF-High band, Diversified-Range IoT (DR-IoT) is being con... [more] AP2023-212
pp.63-67
AP 2024-03-15
13:00
Fukui UNIVERSITY OF FUKUI (Fukui, Online)
(Primary: On-site, Secondary: Online)
A Study on K-factor estimation accuracy using momentum method for designing narrowband IoT communication system DR-IoT
Naoki Ikeda, Motonari Imai, Takato Ikegame, Tetsushi Ikegami (Meiji Univ.), Susumu Ishihara (Shizuoka Univ.), Arata Kato, Syugo Kajita (スペースタイムエンジニアリング), Hiroshi Yamamoto (Ritsumeikan Univ.), Mineo Takai (Osaka Univ.) AP2023-215
A versatile variable-range IoT communication system using the VHF-high band, Diversified-Range IoT (DR-IoT)is being cons... [more] AP2023-215
pp.80-84
SIS 2024-03-14
14:50
Kanagawa Kanagawa Institute of Technology (Kanagawa, Online)
(Primary: On-site, Secondary: Online)
Improvement of Detection Accuracy for Detection of Calcification Regions in Dental Panoramic Radiographs Using LVAT
Naoki Ikeda, Sei Takano, Mitsuji Muneyasu, Soh Yoshida, Akira Asano (Kansai Univ.), Nanae Dewake, Nobuo Yoshinari (Matsumoto Dental Univ.), Keiichi Uchida (Matsumoto Dental Univ. Hospital) SIS2023-50
Carotid arteries on dental panoramic radiographs may show areas of calcification, a sign of vascular disease. The sudden... [more] SIS2023-50
pp.27-32
SeMI 2024-01-18
15:35
Yamanashi Raki House Kaiji (Yamanashi) [Poster Presentation] A Study on Packet Transmission Timing for Dynamic Management of Nodes in Narrowband DR -loT Communication System
Motonari Imai, Takato Ikegame, Naoki Ikeda, Tetsushi Ikegami (Meiji Univ.), Susumu Ishihara (Shizuoka Univ.), Arata Kato (STE), Mineo Takai (Osaka Univ.) SeMI2023-59
The institutionalization of Diversified-Range IoT (DR-IoT), a versatile variable-range IoT communication system using th... [more] SeMI2023-59
pp.51-55
MIKA
(3rd)
2023-10-11
14:30
Okinawa Okinawa Jichikaikan (Okinawa, Online)
(Primary: On-site, Secondary: Online)
[Poster Presentation] Field experiment on mobile radio propagation characteristics in the VHF-High band -- Path loss and Fading characteristics --
Naoki Ikeda, Motonari Imai, Takato Ikegame, Tetsushi Ikegami (Meiji Univ.), Susumu Ishihara (Shizuoka Univ.), Hiroshi Yamamoto (Ritumeikan Univ.), Arata Kato, Syugo Kajita, Mineo Takai (STE)
In the VHF-High band (207.5 MHz to 222 MHz), the DR-IoT (Diversified-Range/Disaster-Response IoT), a quasi-narrow-band w... [more]
MIKA
(3rd)
2023-10-11
14:30
Okinawa Okinawa Jichikaikan (Okinawa, Online)
(Primary: On-site, Secondary: Online)
[Poster Presentation] Field experiments on VHF-High band for design of a quasi-narrow band wireless communication system DR-IoT -- Path loss characteristics estimation methods considering geographical conditions --
Takato Ikegame, Naoki Ikeda, Motonari Imai, Tetsushi Ikegami (Meiji Univ.), Mineo Takai (Osaka Univ.), Susumu Ishihara (Shizuoka Univ.), Arata Kato, Shugo Kajita (STE)
In the VHF-High band (207.5 MHz to 222 MHz), research is being conducted on a disaster-response narrowband wireless syst... [more]
MICT, WBS 2022-07-25
09:30
Okayama Okayama Prefectural University (Okayama) [Poster Presentation] Consideration of radio wave attenuation due to shielding in the communication path in 220MHz band and 920MHz band outdoor communication experiments
Motonari Imai, Naoki Ikeda, Takato Ikegame, Tetsusi Ikegami (Meiji Univ.) WBS2022-21 MICT2022-21
Currently, large-scale disaster response IoT (DR-IoT) using the 220 MHz band is under development. In this paper,
we ev... [more]
WBS2022-21 MICT2022-21
pp.24-29
MICT, WBS 2022-07-25
10:55
Okayama Okayama Prefectural University (Okayama) [Poster Presentation] Consideration of Fading Characteristics on Field Propagation Measurements of 920MHz band and 220MHz band
Naoki Ikeda, Motonari Imai, Takato Ikegame, Tetsushi Ikegami (Meiji Univ.) WBS2022-24 MICT2022-24
In recent years, damages caused by natural disasters have become a social problem. We are studying a Disaster Response I... [more] WBS2022-24 MICT2022-24
pp.41-46
MICT, WBS 2022-07-25
10:55
Okayama Okayama Prefectural University (Okayama) [Poster Presentation] Consideration of distance propagation characteristics in 220 MHz and 920 MHz band outdoor communication experiments
Takato Ikegame, Naoki Ikeda, Motonari Imai, Takuto Ieda, Tetsushi Ikegami (Meiji Univ.) WBS2022-25 MICT2022-25
We will study a model of outdoor radio propagation characteristics in the wide-area VHF band that can be used in a quasi... [more] WBS2022-25 MICT2022-25
pp.47-52
SDM 2018-06-25
12:00
Aichi Nagoya Univ. VBL3F (Aichi) Influence of native oxide layer on electrical characteristics of Al2O3/n-GaN capacitors
Kazuya Yuge (SIT), Toshihide Nabatame, Yoshihiro Yoshikawa, Akihiko Ohi, Naoki Ikeda, Liwen Sang, Yasuo Koide (NIMS), Tomoji Ohishi (SIT) SDM2018-19
In this study, the effects of the native oxide interfacial layer (Ga$_2$O$_3$) on the fixed charge and dipole formation ... [more] SDM2018-19
pp.15-18
EMT, EST, LQE, MWP, OPE, PEM, PN, IEE-EMT [detail] 2018-01-25
09:55
Hyogo (Hyogo) Low-group-velocity and low-dispersion 2D-GaAs-photonic crystal waveguide for highly efficient terahertz wave generation
Teruyuki Nakahama, Nobuhiko Ozaki (Wakayama Univ.), Hisaya Oda (CIST), Naoki Ikeda, Yoshimasa Sugimoto (NIMS) PN2017-39 EMT2017-76 OPE2017-117 LQE2017-99 EST2017-75 MWP2017-52
The terahertz (THz)-wave is expected to be applied to various fields, for example, in spectroscopic sensing, nondestruct... [more] PN2017-39 EMT2017-76 OPE2017-117 LQE2017-99 EST2017-75 MWP2017-52
pp.5-8
SDM 2017-10-26
10:50
Miyagi Niche, Tohoku Univ. (Miyagi) Effect of ZrO2 seed layer on ferroelectricity of HfxZr1-xO2 thin film
Takashi Onaya (Meiji Univ./NIMS), Toshihide Nabatame (NIMS/JST), Naomi Sawamoto (Meiji Univ.), Akihiko Ohi, Naoki Ikeda, Toyohiro Chikyow (NIMS), Atsushi Ogura (Meiji Univ.) SDM2017-57
The effect of crystallized ZrO2 seed layers, which inserted between a TiN bottom electrode and a ferroelectric HfxZr1-xO... [more] SDM2017-57
pp.39-44
OPE, EST, LQE, EMT, PN, MWP, IEE-EMT [detail] 2017-01-19
09:55
Mie Iseshi Kanko Bunka Kaikan (Mie) Multi-wavelength near-infrared light source using heterojunction 2D GaAs photonic crystal waveguide with InAs quantum dots
Sho Uchida, Nobuhiko Ozaki (Wakayama Univ.), Hisaya Oda (CIST), Naoki Ikeda, Yoshimasa Sugimoto (NIMS) PN2016-64 EMT2016-93 OPE2016-139 LQE2016-128 EST2016-103 MWP2016-77
Multi-wavelength NIR light source has been used in various application fields such as optical communication and biologic... [more] PN2016-64 EMT2016-93 OPE2016-139 LQE2016-128 EST2016-103 MWP2016-77
pp.131-134
LQE, OPE, EMD, R, CPM 2016-08-25
15:05
Hokkaido (Hokkaido) Lasing of InAs quantum-dot embedded photonic crystal waveguide lasers by using two-photon pumping at room temperature
Hisaya Oda, Akio Yamanaka (CIST), Nobuhiko Ozaki (Wakayama Univ.), Naoki Ikeda, Yoshimasa Sugimoto (NIMS) R2016-27 EMD2016-31 CPM2016-40 OPE2016-61 LQE2016-36
(To be available after the conference date) [more] R2016-27 EMD2016-31 CPM2016-40 OPE2016-61 LQE2016-36
pp.41-44
LQE, LSJ 2015-05-21
15:15
Ishikawa (Ishikawa) Broadband near-infrared light source based on self-assembled InAs quantum dots for optical coherence tomography
Nobuhiko Ozaki, Takuma Yasuda, Hiroshi Shibata (Wakayama Univ.), Shunsuke Ohkouchi (NEC Corp.), Eiichiro Watanabe, Hirotaka Ohsato, Naoki Ikeda, Yoshimasa Sugimoto (NIMS), Richard Hogg (Univ. Sheffield) LQE2015-5
A broadband near-infrared light source based on self-assembled InAs quantum dots (QDs) with controlled emission waveleng... [more] LQE2015-5
pp.25-28
 Results 1 - 15 of 15  /   
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