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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 121  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
AP 2024-03-15
10:25
Fukui UNIVERSITY OF FUKUI
(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
CQ, CBE
(Joint)
2024-01-25
13:20
Kumamoto Kurokawa-Onsen
(Primary: On-site, Secondary: Online)
Optimization of Satisfaction Evaluation Model considering Waiting Time based on Time Estimation Characteristics
Sumaru Niida (KDDI Research), Seoyun Lim (UCLA), Moe Umegaki, Yu Sato (KDDI) CQ2023-52
Many efforts are currently dedicated to initiatives aimed at delivering user-centric services through the design and man... [more] CQ2023-52
pp.1-6
SeMI 2024-01-18
15:35
Yamanashi Raki House Kaiji [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
(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]
SeMI, SeMI
(Joint)
2023-01-20
10:30
Tokushima Naruto grand hotel
(Primary: On-site, Secondary: Online)
Design of the basic architecture of a quasi-narrow band wireless communication system, DR-IoT
Susumu Ishihara, Shinka Asano, Ryosuke Umemoto (Shizuoka Univ.), Arata Kato, Shugo Kajita (スペースタイムエンジニアリング), Hiroshi Yamamoto (Ritsumeikan Univ.), Tetsushi Ikegami (Meiji Univ.), Mineo Takai (Osaka Univ.) SeMI2022-97
We have proposed DR-IoT (Diversified-Range/Disaster-Response IoT), a VHF-band wireless communication system using small ... [more] SeMI2022-97
pp.119-124
OPE, OCS, LQE 2022-10-21
09:50
Ehime
(Primary: On-site, Secondary: Online)
Beam steering technique using grating couplers for ion trap quantum computing
Mizuki Shira, Daniel Klawson (UC Berkeley), Sara Mouradian (University of Washington), Ming Wu (UC Berkeley) OCS2022-29 OPE2022-75 LQE2022-38
 [more] OCS2022-29 OPE2022-75 LQE2022-38
pp.64-69
ICM 2022-07-07
15:40
Hokkaido Tokachi Plaza
(Primary: On-site, Secondary: Online)
[Invited Talk] Towards Large-scale Disaster-Resilient Network-Cloud Ecosystem Facilitated by Open Disaggregation and Cooperation Technologies
Sugang Xu (NICT), Kiyo Ishii (AIST), Noboru Yoshikane (KDDI Research), Subhadeep Sahoo, Sifat Ferdousi (UC Davis), Masaki Shiraiwa, Yusuke Hirota (NICT), Takehiro Tsuritani (KDDI Research), Massimo Tornatore (UC Davis), Yoshinari Awaji (NICT), Shu Namiki (AIST), Biswanath Mukherjee (UC Davis) ICM2022-15
To accommodate the growing demand for cloud services, the underlying network infrastructures and datacenters (DCs) form ... [more] ICM2022-15
pp.24-29
MW, WPT 2022-04-15
15:40
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
[Invited Talk] A High Efficiency 3.6-4.0 GHz Envelope-Tracking Power Amplifier Using GaN Soft-Switching Buck-Converter
Yuji Komatsuzaki (Mitsubishi Electric), Sandro Lanfranco, Tapio Kolmonen, Olli Piirainen, Jarno K. Tanskanen (Nokia Bell Labs), Shuichi Sakata (Mitsubishi Electric), Rui Ma (MERL), Shintaro Shinjo, Koji Yamanaka (Mitsubishi Electric), Peter Asbeck (UCSD) WPT2022-11 MW2022-11
We report a high efficiency sub-6GHz wideband Envelope-Tracking Power Amplifier (ET-PA) including an envelope amplifier ... [more] WPT2022-11 MW2022-11
pp.40-45
SeMI 2022-01-21
10:30
Nagano
(Primary: On-site, Secondary: Online)
A Study of Disaster Response IoT(DR-IoT) Wireless System
Yasunori Owada (NICT), Mineo Takai (Osaka Univ.), Shugo Kajita (Space-Time Engineering Japan), Tetsushi Ikegami (Meiji Univ.), Susumu Ishihara, Arata Kato (Shizuoka Univ.), Hiroshi Yamamoto (Ritsumeikan Univ.) SeMI2021-79
 [more] SeMI2021-79
pp.109-113
COMP 2021-10-23
11:10
Online Online Multifold tiles of polyominoes and convex lattice polygons
Kota Chida (UEC), Erik Demaine, Martin Demaine (MIT), David Eppstein (UCI), Adam Hesterberg (Harvard Univ.), Takashi Horiyama (Hokkaido Univ.), John Iacono (ULB), Hiro Ito (UEC), Stefan Langerman (ULB), Ryuhei Uehara (JAIST), Yushi Uno (Osaka Pref. Univ.) COMP2021-15
A family of plane shapes $¥mathcal{T}$ is called a tiling if they (rotating and reflecting are allowed) cover the whole ... [more] COMP2021-15
pp.11-18
IN, NS, CS, NV
(Joint)
2021-09-09
16:45
Online Online [Invited Lecture] An Approach to Large-scale Disaster-Resilient Optical Networks with Openness and Disaggregation
Sugang Xu (NICT), Kiyo Ishii (AIST), Noboru Yoshikane (KDDI Research), Sifat Ferdousi (UC Davis), Masaki Shiraiwa, Yusuke Hirota (NICT), Takehiro Tsuritani (KDDI Research), Massimo Tornatore (UC Davis), Yoshinari Awaji, Naoya Wada (NICT), Shu Namiki (AIST), Biswanath Mukherjee (UC Davis) CS2021-46
Novel open and disaggregated optical-networking technologies promise to enhance multi-vendor interoperability thanks to ... [more] CS2021-46
pp.27-32
SeMI, IPSJ-MBL, IPSJ-DPS, IPSJ-ITS 2021-05-28
09:35
Online Online An empirical study of transmission data size prediction in WLAN-based intermittent inter-vehicular communication with individual authentication
Arata Kato (Shizuoka Univ.), Mineo Takai (Osaka Univ./UCLA), Susumu Ishihara (Shizuoka Univ.) SeMI2021-8
To make a communication system robust even under disastrous circumstances, we have proposed a Vehicular Delay/Disruption... [more] SeMI2021-8
pp.39-44
EMT, IEE-EMT 2020-11-06
10:50
Online Online Optical Activity of 3-D Isotropic Chiral Metamaterial Composed of High-K Dielectric block and Metallic Mesh
Jumpei Iwasa, Takuya Yamaguchi, Tetsuya Ueda, Hiroyuki Kurosawa, Shun Takahashi (KIT), Tatsuo Itoh (UCLA) EMT2020-41
We propose three-dimensional isotropic chiral metamaterials composed of high-K dielectric blocks and metallic mesh. Our ... [more] EMT2020-41
pp.76-80
EMT, IEE-EMT 2020-11-06
11:15
Online Online 4-port circulators using nonreciprocal metamaterial coupled lines
Kenta Yamada, Kohei Yamagami, Tetsuya Ueda, Hiroyuki Kurosawa (KIT), Tatsuo Itoh (UCLA) EMT2020-42
This paper studies on 4-port circulators comprising of coupled nonreciprocal composite right/left handed (CRLH) metamate... [more] EMT2020-42
pp.81-85
EMT, IEE-EMT 2020-11-06
13:00
Online Online Polarization Plane Controllable and Beam Scanning Antennas based on Pseudo-Traveling-Wave Resonance
Masaki Kamino, Tetsuya Ueda, Hiroyuki Kurosawa (KIT), Tatsuo Itoh (UCLA) EMT2020-43
In this work, we propose a beam-scanning pseudo-traveling-wave resonance antenna with polarization plane rotation contro... [more] EMT2020-43
pp.86-91
SeMI, IPSJ-ITS, IPSJ-MBL, IPSJ-DPS
(Joint)
2020-06-18
13:25
Online Online Information Sharing System for Disaster Response Using Asynchronous Opportunistic Communications Among Distributed Servers
Yasunori Owada (NICT), Taka Maeno (STE), Arata Kato (Shizuoka Univ.), Goshi Sato, Katsuhiro Temma (NICT), Mineo Takai (Osaka Univ.), Toshiaki Kuri (NICT), Susumu Ishihara (Shizuoka Univ.) SeMI2020-2
Local governments are required to respond to large-scale and diverse natural disasters promptly and appropriately. Local... [more] SeMI2020-2
pp.7-12
MWP, PN, EMT, PEM, IEE-EMT [detail] 2020-01-31
12:35
Kyoto Dosisha Univ. Nonreciprocal Metamaterial Transmission Lines Using Spoof Surface Plasmon Modes
Koji Okamoto, Tetsuya Ueda (KIT), Tatsuo Itoh (UCLA) PN2019-52 EMT2019-92 MWP2019-66
 [more] PN2019-52 EMT2019-92 MWP2019-66
pp.107-112
SeMI 2020-01-31
10:00
Kagawa   [Poster Presentation] Disaster Aid Station Management System with Data Exchange Support for Collaborative Activities
Shugo Kajita, Edgar Marko Trono, Gemalyn Abrajano, Jovilyn Fajardo, Taka Maeno (Space-Time Engineering Japan, Inc.) SeMI2019-108
In the event of a large scale disaster such as the Nankai Trough Earthquake, wide-area medical rescue activities will be... [more] SeMI2019-108
pp.45-46
EMT, IEE-EMT 2019-11-07
16:05
Saga Hotel Syunkeiya Dual-band operation of nonreciprocal CRLH metamaterial transmission lines
Takumi Kaneda, Tetsuya Ueda (KIT), Itoh Tatsuo (UCLA) EMT2019-50
 [more] EMT2019-50
pp.55-59
EMT, IEE-EMT 2019-11-07
10:35
Saga Hotel Syunkeiya Enhanced Bandwidth of Backward-Wave Directional Couplers Using Dispersion of Nonreciprocal Metamaterials
Kohei Yamagami, Tetsuya Ueda (KIT), Tatsuo Itoh (UCLA) EMT2019-53
 [more] EMT2019-53
pp.79-82
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