Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP, SAT (Joint) |
2006-07-06 13:00 |
Hiroshima |
Hiroshima Institute of Technology |
Fixed point arithmetic of FDTD method in lossy dielectric Ryo Yamaguchi, Hidetoshi Suzuki, Yuta Takagi, Shinji Uebayashi (NTT DoCoMo) AP2006-43 |
[more] |
AP2006-43 pp.25-29 |
AP, SAT (Joint) |
2006-05-19 10:50 |
Kagoshima |
Kagoshima Univ. |
Estimation of accuracy for fixed point arithmetic FDTD method Ryo Yamaguchi, Hidetoshi Suzuki, Yuta Takagi, Shinji Uebayashi (NTT DoCoMo) AP2006-21 |
[more] |
AP2006-21 pp.71-76 |
AP |
2005-09-08 10:20 |
Aichi |
TOYOTA CENTRAL R&D LABS., INC. |
A Study on Transmission Characteristics of Array Antenna for Mobile Handset Ryo Yamaguchi (NTT DoCoMo), Kenji Osaki (DoCoMo Technology), Shinji Uebayashi (NTT DoCoMo) |
[more] |
AP2005-67 pp.13-18 |
EMCJ |
2005-09-09 16:30 |
Kyoto |
Kyoto University |
Electric Field Measurement in a Tissue-Equivalent Phantom Using EO Probe Hiroyoshi Togo (NTT), Teruo Onishi, Katsuki Kiminami (NTT DoCoMo), Naofumi Shimizu, Tadao Nagatsuma (NTT), Shinji Uebayashi (NTT DoCoMo) |
We have developed two types of electric field probe (EO probe) which can detect an electric field along longitudinal or ... [more] |
EMCJ2005-79 pp.121-126 |
EMCJ, EMD |
2005-07-28 13:20 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Estimation Method of 3-D SAR Distribution with 2-D Electric Field Measurement Katsuki Kiminami, Teruo Onishi, Shinji Uebayashi (NTT DoCoMo) |
The compliance test procedures for Specific Absorption Rate (SAR) measurement from with respect to mobile wireless termi... [more] |
EMCJ2005-45 EMD2005-24 pp.23-28 |
AP, SAT (Joint) |
2005-07-20 15:40 |
Hokkaido |
Hotel Taisetsu |
Measurement of Current Phase Distribution Using Polarization Stabilized MO Probe Shin Nakamatsu, Ryo Yamaguchi, Shinji Uebayashi (DoCoMo), Masato Kishi (Univ. of Tokyo), Masahiro Tsuchiya (NICT) |
In electromagnetic compatibility (EMC) assessment or the controlling of the radiation characteristics of wireless mobile... [more] |
AP2005-46 pp.53-56 |
AP, SAT (Joint) |
2005-07-20 16:15 |
Hokkaido |
Hotel Taisetsu |
The Effects of the polarization diversity of the Base Station in Indoor Environments Yuta Takagi (NTT DoCoMo), Kenji Osaki, Hideki Kawai (DoCoMo Technology), Ryo Yamaguchi, Shinji Uebayashi (NTT DoCoMo) |
In order to realize a communication by the minimum transmission power of mobile stations on indoor environments as medic... [more] |
AP2005-47 pp.57-62 |
AP, SAT (Joint) |
2005-07-20 16:40 |
Hokkaido |
Hotel Taisetsu |
A Study on Fast Estimation of the Electric Field in Indoor Environments Yuta Takagi, Ryo Yamaguchi, Shinji Uebayashi (NTT DoCoMo) |
We examine the fast estimation method of the electric field using the antenna system that arranges the cross polarizatio... [more] |
AP2005-48 pp.63-66 |
AP |
2005-06-23 15:30 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Multi-Port Random Signal Generator Ryo Yamaguchi (NTT DoCoMo), Kenji Osaki, Hideki Kawai (DoCoMo Technology), Shinji Uebayashi (NTT DoCoMo) |
[more] |
AP2005-35 pp.31-36 |
AP, SAT (Joint) |
2005-05-19 14:50 |
Tottori |
Tottori Univ. of Environmental Studies |
A study on high speed arithmetic of FDTD method using FPGA implementing Hidetoshi Suzuki, Yuta Takagi, Ryo Yamaguchi, Shinji Uebayashi (NTTDoCoMo Inc.) |
We have examined the FPGA (Field Programmable Gate Array) implementation of the FDTD algorithm to accelerate the electro... [more] |
AP2005-18 pp.51-56 |
EMCJ |
2005-04-22 13:30 |
Kanagawa |
Shonan Campus, Tokai University |
Three-Dimensional Hybrid Analysis of the SAR in Human Body for Base-Station Antennas Masayuki Komatsu, Jianqing Wang, Osamu Fujiwara (Nagoya Inst. of Tech.), Yoshiaki Tarusawa, Shinji Uebayashi (NTT DoCoMo) |
In this study we have established an effective technique for dosimetric analyses of base-station antennas in an undergro... [more] |
EMCJ2005-2 pp.7-12 |
AP |
2005-04-21 13:50 |
Shiga |
Ritsumeikan Univ. |
Estimation of current distribution by using polarization stabilized MO probe Shin Nakamatsu (DoCoMo), Shunsuke Mitani (Univ. of Tokyo), Ryo Yamaguchi, Shinji Uebayashi (DoCoMo), Masato Kishi (Univ. of Tokyo), Masahiro Tsuchiya (NICT) |
[more] |
AP2005-5 pp.25-28 |
RCS, AP, WBS, MW, MoNA |
2005-03-03 16:20 |
Kanagawa |
Yokosuka Research Park |
Study on the Diversity Reception of the Base Station on Indoor Environments Yuta Takagi, Ryo Yamaguchi, Shinji Uebayashi (NTT DoCoMo) |
In order to realize a communication by the minimum transmission power of mobile stations on indoor environments as medic... [more] |
WBS2004-121 AP2004-302 RCS2004-389 MoMuC2004-172 MW2004-299 pp.135-140 |
AP |
2005-02-17 15:15 |
Tokyo |
NiCT |
An Experimental Study on Determination Method of High Efficiency Antenna Weight for Mobile Handsets Using Random Outer Test Source(ROTS) Ryo Yamaguchi, Hidetoshi Suzuki (NTT DoCoMo), Hideki Kawai (DoCoMo Technology), Shinji Uebayashi (NTT DoCoMo) |
The new determination method of high efficiency antenna weight for mobile handset having array antenna by using Random O... [more] |
AP2004-234 pp.67-72 |
EMCJ |
2005-01-20 14:00 |
Okinawa |
NiCT Okinawa Subtropical Environment Remote Sensing Center |
Uncertainty of SAR measurement of cellular phones Yoshiaki Ichino (TELEC), Takashi Shinozuka (NICT), Nozomu Ishii (Niigata Univ.), Shinji Uebayashi, Teruo Onishi (NTT DoCoMo), Akira Suzuki, Yukio Yamanaka, Soichi Watanabe (NICT) |
[more] |
EMCJ2004-125 pp.49-54 |
EMCJ |
2005-01-20 14:25 |
Okinawa |
NiCT Okinawa Subtropical Environment Remote Sensing Center |
Probe calibration system for SAR measurement and evaluation of calibration uncertainty
-- 900MHz band system in compliance with ARIB standard -- Kazuhiro Aikyo (TELEC), Takashi Shinozuka (NICT), Nozomu Ishii (Niigata Univ.), Shinji Uebayashi, Teruo Onishi (NTT DoCoMo), Akira Suzuki, Yukio Yamanaka, Soichi Watanabe (NICT) |
[more] |
EMCJ2004-126 pp.55-59 |
EMCJ |
2005-01-21 10:20 |
Okinawa |
NiCT Okinawa Subtropical Environment Remote Sensing Center |
Dielectric Measurement of Solid Lossy Dielectric Material using Open-ended Waveguide in the Microwave Frequency Band Hidetoshi Ebara (NTT DoCoMo), Kensuke Tani, Daisuke Miki (AGU), Teruo Onishi, Shinji Uebayashi (NTT DoCoMo), Osamu Hashimoto (AGU) |
The aim of this study is to specify a nondestructive dielectric measurement method for a solid phantom, which is constru... [more] |
EMCJ2004-134 pp.19-24 |
AP |
2005-01-20 13:00 |
Saga |
Saga University |
A study on accuracy of FDTD method using fixed-point arithmetic Hidetoshi Suzuki, Yuta Takagi, Ryo Yamaguchi, Shinji Uebayashi (NTTDoCoMo Inc.) |
Although FDTD method is used for electromagnetic field simulator extensively, it spends long time because it is calculat... [more] |
AP2004-202 pp.37-41 |
EMCJ |
2004-12-10 10:40 |
Aichi |
Nagoya Institute of Technology |
Compensation Techniques for Thermal Diffusion in the SAR Measurement Using the Thermographic Method Takuya Takimoto (Chiba Univ.), Teruo Onishi (NTT DoCoMo), Kazuyuki Saito, Masaharu Takahashi (Chiba Univ.), Shinji Uebayashi (NTT DoCoMo), Koichi Ito (Chiba Univ.) |
[more] |
EMCJ2004-105 pp.19-24 |
EMCJ |
2004-12-10 11:05 |
Aichi |
Nagoya Institute of Technology |
The estimation of the maximum SAR with respect to various types of wireless device usage Teruo Onishi, Takahiro Iyama, Shinji Uebayashi (NTT DoCoMo) |
[more] |
EMCJ2004-106 pp.25-28 |