Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP, SANE, SAT (Joint) |
2019-07-18 14:05 |
Miyagi |
Tohoku Univ. |
[Invited Lecture]
Propagation Loss Estimation considering Ray Tracing Results for Deep Learning Input Data Satoshi Iwasaki, Gilbert Siy Ching, Rikisenia Lukita, Wataru Okamura, Yukiko Kishiki (KKE) AP2019-33 |
Propagation loss estimation can be achieved from models based on measurement or from simulations based on ray tracing me... [more] |
AP2019-33 pp.63-68 |
AP |
2019-02-21 14:30 |
Osaka |
Sumitomo Electric Industries (Osaka Works) |
[Invited Lecture]
Modeling Method for Ray Trace Simulation using 3D Point Cloud Data and Evaluation of Radiowave Propagation in Indoor Environment Wataru Okamura, Yuki Matsuyama, Yukiko Kishiki (KKE), Zhihang Chen, Kentaro Saito, Jun-ichi Takada (TokyoTech) AP2018-173 |
With the spread of IoT (Internet of Things) services in recent years, users of various industries are building and opera... [more] |
AP2018-173 pp.19-24 |
SRW |
2019-01-15 13:00 |
Kanagawa |
Mitsubishi Electric (Oofuna) |
3D Point Cloud Data Simplification Method for Electromagnetic Simulation in Indoor Environment Zhihang Chen, Kentaro Saito (TokyoTech), Wataru Okamura, Yukiko Kishiki (KKE), Jun-ichi Takada (TokyoTech) SRW2018-49 |
Nowadays, using point clouds to do electromagnetic (EM) simulation has been attracting a lot of attention since point cl... [more] |
SRW2018-49 pp.19-24 |
AP, WPT (Joint) |
2018-01-18 14:00 |
Nara |
ATR |
Effect of the Object Inside a Tunnel in the Radio Wave Propagation of a Subway Tunnel Satoshi Nishida (Tokyo Tech/Kyosan), Jun-ich Takada (Tokyo Tech), Gilbert Siy Ching, Yukiko Kishiki (KKE) AP2017-157 |
Radio wave propagation measurements were taken inside a subway tunnel. One measurement was taken immediately after the t... [more] |
AP2017-157 pp.37-42 |
AP, WPT (Joint) |
2018-01-19 09:00 |
Nara |
ATR |
[Propagation Model Contest] Trial of Propagation Model Contest Tetsuro Imai (NTT DOCOMO), Hisato Iwai (Doshisha Univ.), Yukiko Kishiki, Gilbert Siy Ching (KKE) AP2017-160 |
Currently, implementation of contest about radio propagation technology for students and young engineers has been invest... [more] |
AP2017-160 pp.53-55 |
SRW |
2017-12-18 14:55 |
Tokyo |
Waseda Univ. |
[Invited Talk]
Radio Propagation of Millimeter Waves and Sensor Network for Next Generation IoT Yukiko Kishiki (KKE) SRW2017-65 |
The use of millimeter waves for 5th generation mobile communication and wireless LAN are progressing.
While ray tracing... [more] |
SRW2017-65 p.31 |
ITS, IPSJ-ITS, IEE-ITS |
2016-09-14 13:30 |
Tokyo |
Nihon University |
Evaluation of Accuracy of GNSS Positioning for Bicycles in Urban Canyon Situations Using Electromagnetic and Radio Propagation Simulation Rei Furukawa, Takahiro Matsumoto, Masayuki Asanuma, Yoto Emori, Khadijah Aqilah Binti Sallehuddin, Yukiko Kishiki (KOZO KEIKAKU) ITS2016-13 |
The bicycle users who run on the car lane in urban areas are increasing. They often slip through between vehicles.
It i... [more] |
ITS2016-13 pp.39-43 |
AP |
2016-01-15 10:55 |
Tokyo |
Takushoku University, Hachiouji Campus |
[Tutorial Lecture]
Applicable Range of Ray Tracing Method and Its Utilizations Yukiko Kishiki (KKE) AP2015-180 |
Ray tracing method is now becoming a major method to evaluate radiowave propagation properties.
Without knowing the lim... [more] |
AP2015-180 pp.71-76 |
SR, SRW (Joint) |
2015-10-27 09:30 |
Tokyo |
KKE |
[Technology Exhibit]
Evaluation of Satellite Availability of Multiple QZS for Positioning Applications Using Ray Tracing Method Rei Furukawa, Gilbert Siy Ching, Yukiko Kishiki (KKE) SR2015-65 SRW2015-46 |
With the growth of wireless technology and demand for ubiquitous connection,
the need for accurate positioning is also... [more] |
SR2015-65 SRW2015-46 pp.65-66 |
SANE |
2015-07-24 11:20 |
Tokyo |
Electric Navigation Research Institute |
Evaluation of Accurate GNSS Positioning using 3D Building Data and Ray Tracing Method Rei Furukawa, Kensuke Tsuda, Asako Okuno, Akira Kakizaki, Yukiko Kishiki (KKE), Nobuaki Kubo (Tokyo University of Marine Science and Technology) SANE2015-25 |
Positioning accuracy from GNSS is reduced due to effects of propagation. Especially in urban areas, obstructions and ref... [more] |
SANE2015-25 pp.13-18 |
RCS, SR, SRW (Joint) |
2015-03-04 14:45 |
Tokyo |
Tokyo Institute of Technology |
[Panel Discussion]
Activities of KKE regarding visualization of analysis for wireless technologies Yukiko Kishiki (KKE) SR2014-121 SRW2014-47 |
Compared to a decage ago, radiowaves have become a familiar phenomenon in our daily lives.
But since it is invisible, i... [more] |
SR2014-121 SRW2014-47 pp.61-62(SR), pp.9-10(SRW) |
AP, SAT (Joint) |
2012-07-25 13:20 |
Hokkaido |
Hokkaido Univ. |
Comparison of Propagation Characteristics Using Ray Tracing Method and FDTD for Wireless Services inside Tunnels Gilbert Siy Ching, Kensuke Tsuda, Yukiko Kishiki (Kozo Keikaku Engineering) AP2012-37 |
Staying connected and being able to communicate anywhere, anytime is becoming the norm. Even inside tunnels, there is a ... [more] |
AP2012-37 pp.39-44 |
AP |
2007-12-13 13:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Determination Scheme of Oval Approximation Size of Effective Building Area for Ray-tracing Calculation[2]
-- Indicator of the Length of the Major Axis of an Ellipse -- Siomi Takamine, Masahiko Kawamura, Yukiko Kishiki, Asuka Kajiwara (KKE), Yoshio Karasawa (AWCC) AP2007-115 |
In this research, in order to reduce computational time for ray-tracing calculation, we propose an approximation method.... [more] |
AP2007-115 pp.1-6 |