Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
EMCJ |
2010-04-23 15:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Optimal Settings of Frequency-Selective Devises Used for E-Field Measurements From a W-CDMA Base Station Ally Y. Simba, Lira Hamada, Soichi Watanabe (NICT) EMCJ2010-10 |
Frequency-selective measurements with a spectrum analyzer are the most obvious means to accurately measure the power of ... [more] |
EMCJ2010-10 pp.49-53 |
AP |
2010-01-22 12:30 |
Yamaguchi |
Yamaguchi University |
SAR and Temperature Elevation Evaluation Using Japanese Anatomical Human Models for Body-Worn Devices Teruo Onishi, Takahiro Iyama (NTT DoCoMo), Lira Hamada, Soichi Watanabe, Akimasa Hirata (NICT) AP2009-173 |
10g average SAR (Specific Absorption Rate) and temperature evaluation are investigated using the Japanese numerical anat... [more] |
AP2009-173 pp.105-108 |
EMCJ |
2010-01-22 14:35 |
Okinawa |
University of the Ryukyus |
Expansion of the SAR-probe calibration system using the reference dipole antennas in head-simurating liquid Lira Hamada (NICT), Yukihiro Miyota, Ken-ichi Sato (NTT-AT), Nozomu Ishii (Niigata Univ), Soichi Watanabe (NICT) EMCJ2009-121 |
he SAR-probe is usually calibrated using a rectangular waveguide with a matching dielectric spacer above 800MHz and belo... [more] |
EMCJ2009-121 pp.135-140 |
ACT (2nd) |
2009-03-27 13:35 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Measurement and evaluation procedure of the SAR of mobile radio equipments Lira Hamada, Soichi Watanabe (NICT) |
The method of evaluating specific absorption rate (SAR) of the cellular phone is introduced. Standard measurement and pr... [more] |
|
ACT (2nd) |
2008-12-01 14:35 |
Kyoto |
Doshisha Univ. (Imadegawa campus) |
Gain Measurement of Sandwiched Dipole Antenna in the Tissue Equivalent Liquid at 5.2GHz Takashi Watanabe, Naoto Ikarashi (Niigata Univ.), Nozomu Ishii (Niigata Univ./NICT), Ken-ichi Sato (NTT-AT), Lira Hamada, Soichi Watanabe (NICT) |
[more] |
|
EMCJ |
2008-06-20 16:55 |
Hokkaido |
Hokkaido Univ. |
Estimation of Antenna Gain in the Liquid Using the Measured Data in the Far-Field Region by the Network Analyzer Naoto Ikarashi, Tsuyoshi Nagano (Niigata Univ.), Nozomu Ishii (Niigata Univ./NICT), Ken-ichi Sato (NTT-AT), Lira Hamada, Soichi Watanabe (NICT) EMCJ2008-24 |
The authors have been developed a technique for calibrating electric-field probes for the measurement of the Specific Ab... [more] |
EMCJ2008-24 pp.99-104 |
EMCJ |
2007-11-16 10:35 |
Tokyo |
Tokyo Instutute of Technology |
Study on the boundary effect in SAR measurement and probe calibration Lira Hamada (NICT), Atushi Tanaka (UEC), Ken-ichi Sato (NTT-AT), Soichi Watanabe, Yukio Yamanaka (NICT), Takashi Iwasaki (UEC) EMCJ2007-87 |
Since 2002, measurement of the SAR (Specific Absorption Rate) has been obligated in compliance test for mobile communica... [more] |
EMCJ2007-87 pp.37-40 |
EMCJ |
2007-05-25 13:05 |
Niigata |
Niigata University |
Uncertainty of simultaneous measurement of antenna gain in the liquid and its dielectric property including the contribution of the Fresnel-field Hiroki Shiga, Naoto Ikarashi (Niigata Univ.), Nozomu Ishii (Niigata Univ./NICT), Ken-ichi Sato (NTT-AT), Lira Hamada, Soichi Watanabe (NICT) EMCJ2007-10 |
As a technique for calibrating electric-field probes used in standardized SAR (Specific Absorption Rate) assessment, we ... [more] |
EMCJ2007-10 pp.1-5 |
EMCJ |
2007-01-26 09:45 |
Kagoshima |
|
A new gain measurement of the reference antenna in the tissue equivalent liquid based on the Fresnel approximation Nozomu Ishii (Niigata Univ./NICT), Takuhei Akagawa, Naoto Ikarashi (Niigata Univ.), Ken-ichi Sato (NTT-AT), Lira Hamada, Soichi Watanabe (NICT) EMCJ2006-97 |
One of calibration techniques for a SAR probe used in the standard SAR measurement is based on the Friis transmission fo... [more] |
EMCJ2006-97 pp.1-4 |
EMCJ |
2007-01-26 10:10 |
Kagoshima |
|
Development of SAR probe calibration system in tissue-equivalent liquid using standard antenna Lira Hamada (NICT), Ken-ichi Sato (NTT-AT), Takuhei Akagawa (Niigata Univ.), Nozomu Ishii (Niigata Univ./NICT), Soichi Watanabe (NICT) EMCJ2006-98 |
The SAR-probe is usually calibrated using a rectangular waveguide with a matching dielectric spacer below 3 GHz. Howeve... [more] |
EMCJ2006-98 pp.5-10 |
EMCJ |
2006-07-27 13:15 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
An evaluation of systematic uncertainty of measuring antenna gain in the liquid for SAR probe calibration Hiroki Shiga, Takuhei Akagawa (Niigata Univ.), Nozomu Ishii (Niigata Univ./NICT), Ken-ichi Sato (NTT-AT), Lira Hamada, Soichi Watanabe (NICT) EMCJ2006-26 |
The SAR probe is often calibrated by use of the waveguide and the matching dielectric slab below 3GHz. However, the diam... [more] |
EMCJ2006-26 pp.47-50 |
AP, SAT (Joint) |
2006-07-06 10:00 |
Hiroshima |
Hiroshima Institute of Technology |
Determination of the antenna gain in the liquid using the measured near-field data Nozomu Ishii (Niigata Univ./NICT), Takuhei Akagawa (Niigata Univ.), Ken-ichi Sato (NTT-AT), Lira Hamada, Soichi Watanabe (NICT) AP2006-39 |
To estimate the SAR (Specific Absorption Ratio) of the mobile communication device above 3GHz, an alternative method for... [more] |
AP2006-39 pp.1-6 |
EMCJ |
2006-04-18 14:55 |
Tokyo |
Aoyama Gakuin Univ. (Aoyama Campus) |
A gain measurement of antennas in the tissue equivalent liquid for the SAR-probe calibration Takuhei Akagawa (Niigata Univ.), Nozomu Ishii (Niigata Univ./NICT), Ken-ichi Sato (NTT-AT), Lira Hamada, Soichi Watanabe (NICT) EMCJ2006-5 |
The SAR probe is usually calibrated by a rectangular waveguide with a matching dielectric spacer below 3 GHz. However, t... [more] |
EMCJ2006-5 pp.25-29 |
EMCJ |
2005-11-25 16:45 |
Tokyo |
NTT Musashino Research and Development Center |
Probe calibration system for SAR measurement and evaluation of calibration uncertainty 2
-- 1450MHz/1950MHz system and depth effect of tissue equivalent liquid on calibration -- Kazuhiro Aikyo, Sigeo Seo (TELEC), Lira Hamada, Soichi Watanabe, Takashi Shinozuka, Yukio Yamanaka (NICT), Yoshiaki Ichino (TELEC) |
[more] |
EMCJ2005-112 pp.33-38 |
EMCJ |
2005-11-25 17:10 |
Tokyo |
NTT Musashino Research and Development Center |
A study on SAR measurement methods of handset of wireless communication device in standard Lira Hamada (NICT), Yukihiro Miyota, Ken-ichi Sato (NTT-AT), Soichi Watanabe (NICT), Takashi Iwasaki (UEC) |
Since 2002, measurement of the SAR (Specific Absorption Rate) has been obligated in compliance test for mobile communica... [more] |
EMCJ2005-113 pp.39-44 |
EMCJ |
2005-06-10 14:55 |
Hokkaido |
Hokkaido University |
A theoretical study on a gain measurement of the reference antenna in the tissue equivalent liquid to calibrate the SAR probe
-- A simulation of the gain measurement of an half-wavelength dipole by the method of moment -- Nozomu Ishii (Niigata Univ.), Ken-ichi Sato (NTT-AT), Lira Hamada, Soichi Watanabe (NICT) |
The SAR probe is often calibrated by use of the waveguide and the matching dielectric slab below 3GHz. However, the diam... [more] |
EMCJ2005-39 pp.103-107 |