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Technical Committee on Antennas and Propagation (AP) (Searched in: 2008)
Search Results: Keywords 'from:2009-01-21 to:2009-01-21'
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2009-01-21 13:00 |
Fukuoka | Fukuoka University | A study on year-to-year variation of the frequency scaling characteristics in Ka and Ku band satellite communication links Yasuyuki Maekawa (Osaka Electro-Comm. Univ.)  AP2008-150 |
Long-term rain attenuation statistics of the Ka and Ku band satellite signals obtained from 1986 to 2006 at Osaka Electr... [more] | AP2008-150 pp.1-6 |
| AP | 2009-01-21 13:25 |
Fukuoka | Fukuoka University | Security Evaluation of Secret Communication System using Multi-Antenna Interference Transmission Takayasu Kitano, Hisato Iwai, Hideichi Sasaoka (Doshisha Univ.) AP2008-151 |
As a countermeasure scheme against an eavesdropper in wireless communications, a secret communication system using multi... [more] | AP2008-151 pp.7-12 |
| AP | 2009-01-21 13:50 |
Fukuoka | Fukuoka University | A Study on Performance Evaluation Method of MIMO Antennas in Multipath Propagation Environments Tokio Taga (Kwansei Gakuin Univ.) AP2008-152 |
[more] | AP2008-152 pp.13-18 |
| AP | 2009-01-21 14:25 |
Fukuoka | Fukuoka University | An Experimental Study on Performance of MIMO Antennas in an Indoor Multipath Propagation Environment Tokio Taga (Kwansei Gakuin Univ.), Koichi Ogawa (Panasonic) AP2008-153 |
[more] | AP2008-153 pp.19-24 |
| AP | 2009-01-21 14:50 |
Fukuoka | Fukuoka University | A Study on 2x2 MIMO Transmission Capacity for Microstrip Antenna mounted on Note Book Type Personal Computers Hiroki Ohtsubo, Tokio Taga (Kwansei Gakuin Univ.) AP2008-154 |
Usage of the TM100 and TM010 mode of rectangular microstrip antenna enables to compose two independent feeding ports on ... [more] | AP2008-154 pp.25-29 |
| AP | 2009-01-21 15:15 |
Fukuoka | Fukuoka University | A Study on Performance of MIMO Antennas using Dipole Antenna Elements mounted on Handy-Phone Terminals Kotaro Matsumuro, Tokio Taga (Kwansei Gakuin Univ.) AP2008-155 |
This paper shows a result of performance evaluation of 2 or 3 element MIMO antennas mounted on a mobile phone terminal. ... [more] | AP2008-155 pp.31-36 |
| AP | 2009-01-21 15:50 |
Fukuoka | Fukuoka University | Propagation Analysis of Incident Waves to a Tunnel Using Aperture Field Method and Ray-tracing Method Tetsuro Imai, Kazumichi Ishikawa (NTT DOCOMO) AP2008-156 |
At the present, it is investigated to apply the ray-tracing method to analysis of propagation characteristics in tunnels... [more] | AP2008-156 pp.37-42 |
| AP | 2009-01-21 16:15 |
Fukuoka | Fukuoka University | Error correction method using neural network trained by measurement data in ray-tracing propagation prediction Junpei Mizuno, Tetsuro Imai (NTT DOCOMO) AP2008-157 |
Ray-tracing method can predict site-specifically propagation characteristics based on theory of geometrical optics with ... [more] | AP2008-157 pp.43-47 |
| AP | 2009-01-21 16:40 |
Fukuoka | Fukuoka University | Time-Spatial Propagation Model in LOS condition for Broadband Mobile Communication Systems Teruya Fujii, Yoshichika Ohta, Hideki Omote (Softbank Telecom) AP2008-158 |
[more] | AP2008-158 pp.49-54 |
| AP | 2009-01-21 17:05 |
Fukuoka | Fukuoka University | An empirical study of radio wave shadowing by human body Yoshichika Ohta, Teruya Fujii (Softbank telecom) AP2008-159 |
(To be available after the conference date) [more] | AP2008-159 pp.55-60 |
| AP | 2009-01-22 09:30 |
Fukuoka | Fukuoka University | A Study on the Accurate Estimation of the Number of Weak Coherent Signals Masashi Tsuji, Kenta Umebayashi, Yukihiro Kamiya, Yasuo Suzuki (Tokyo University of Agriculture and Technology) AP2008-160 |
The most commonly used methods recently for the estimation of the number of incident signals are the Akaike Information ... [more] | AP2008-160 pp.61-66 |
| AP | 2009-01-22 09:55 |
Fukuoka | Fukuoka University | Blind Array Calibration Technique for an Array Including Effects of Neighboring Coupled Objects Yuhei Shimada, Hiroyoshi Yamada, Yoshio Yamaguchi (Niigata Univ.) AP2008-161 |
Recently, high-resolution Direction-of-Arrival (DOA) estimation techniques with an array have been applied in various fi... [more] | AP2008-161 pp.67-72 |
| AP | 2009-01-22 10:20 |
Fukuoka | Fukuoka University | Optimization of Virtual Element Position for Array Calibration based on Virtual Array Concept Takashi Naito, Hiroyoshi Yamada, Yoshio Yamaguchi (Niigata Univ.) AP2008-162 |
In recent years, superresolution DOA estimation with an array antenna has become indispensable for various application f... [more] | AP2008-162 pp.73-78 |
| AP | 2009-01-22 10:55 |
Fukuoka | Fukuoka University | Fundamental Evaluation of the MIMO-STAP Radar with the MWF Yoshinari Iwakura (Niigata Univ.), Junichiro Suzuki (TOSHIBA CORP.), Hiroyoshi Yamada, Yoshio Yamaguchi (Niigata Univ.), Masahiro Tanabe, Yoshikazu Shoji (TOSHIBA CORP.) AP2008-163 |
[more] | AP2008-163 pp.79-84 |
| AP | 2009-01-22 11:20 |
Fukuoka | Fukuoka University | A High-Resolution Direction and Delay Time Finding Measurement Scheme of Digital Terrestrial TV Multipath Signal based on the Total Recording Scheme Atsushi Takemoto, Hirokazu Takahashi, Yoshio Karasawa (UEC) AP2008-164 |
When realizing a high quality reception signal of the terrestrial digital broadcasting TV, understanding of detailed pro... [more] | AP2008-164 pp.85-90 |
| AP | 2009-01-22 11:45 |
Fukuoka | Fukuoka University | A Study on High Accuracy SIR Measurement Methods in Multipath Propagation Environment for OFDM Systems Mototsugu Suzuki, Koshiro Kitao, Tetsuro Imai (NTTDOCOMO) AP2008-165 |
In a mobile communication system, it is an important subject which is measured downlink SIR correctly by known signal in... [more] | AP2008-165 pp.91-96 |
| AP | 2009-01-22 13:00 |
Fukuoka | Fukuoka University | Printed Dipole Array Antenna for Wireless LAN Mesh Network Daisuke Iwanaka, Mitsuo Taguchi (Nagasaki Univ.) AP2008-166 |
The antenna composed of six printed dipole arrays with reflector is proposed for the 2.4 GHz band wireless LAN mesh netw... [more] | AP2008-166 pp.97-100 |
| AP | 2009-01-22 13:25 |
Fukuoka | Fukuoka University | Antenna Input Impedance measurements by Coil-shaped Feeding Cable Coverd with Lossy Medium Zhengxing Wang, Takashi Arakawa, Tadahiko Maeda (Ritsumeikan Univ.) AP2008-167 |
In this report,the influence of the leakage current along the feeding cable used during the impedancemeasurement was exa... [more] | AP2008-167 pp.101-106 |
| AP | 2009-01-22 13:50 |
Fukuoka | Fukuoka University | The characteristics of a Double-folded monopole antenna loaded by coaxial lines Masaaki Yamasaki, Takehiko Tsukiji (Fukuoka Univ.) AP2008-168 |
It has been shown that loading a certain reactance component at the feeding point of an antenna is useful in reducing an... [more] | AP2008-168 pp.107-111 |
| AP | 2009-01-22 14:25 |
Fukuoka | Fukuoka University | Development of Simple Vehicle Antenna System for Mobile Satellite Communications and Outdoor Experiment using ETS-VIII Satellite Basari, Muhammad Fauzan Edy Purnomo, Kazuyuki Saito, Masaharu Takahashi, Koichi Ito (Chiba Univ.) AP2008-169 |
Engineering Test Satellite VIII (ETS-VIII) has been launched for various experiments on mobile satellite communications ... [more] | AP2008-169 pp.113-118 |
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