| Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
| RCS, AP |
2004-10-28
10:00 |
Niigata |
Niigata University |
A Study on Interpolation methods of Impedance matrix for Method of Moment by using PC Cluster Systems
Masao Asakawa, Tadahiko Maeda (Ritsumeikan Univ.) |
PC Cluster systems, which consist of multiple parallel processors, have been introduced widely in the field of numerical... [more] |
AP2004-133 RCS2004-154
pp.1-6 |
| RCS, AP |
2004-10-28
10:25 |
Niigata |
Niigata University |
Evaluation of the SAR by the Thermographic Method for a Simple Abdomen Solid Phantom of Pregnant Women
Kazuya Nagasawa, Hiroki Kawai, Masaharu Takahashi, Kazuyuki Saito, Koichi Ito, Takuya Ueda, Masayoshi Saito, Hisao Ito, Hisao Osada (Chiba Univ.), Yoshio Koyanagi (Panasonic Mobile Communications), Koichi Ogawa (Matsushita Electric) |
It is essential to estimate the specific absorption rate (SAR) in the human body under various situations. This report p... [more] |
AP2004-134 RCS2004-155
pp.7-12 |
| RCS, AP |
2004-10-28
10:50 |
Niigata |
Niigata University |
Consideration on GPS Antenna for 3-Frequency Operation
Yoshikatsu Miura (Tohoku Gakuin Univ.), Daisuke Ogata, Shoichi Kumagai, Yasuhiro Kazama (JRC), Takayasu Shiokawa (Tohoku Gakuin Univ.) |
Currently, GPS is operated at the frequency of L1 band (1.57542±0.02046GHz). In next generation, the frequency of L2 ban... [more] |
AP2004-135 RCS2004-156
pp.13-18 |
| RCS, AP |
2004-10-28
11:15 |
Niigata |
Niigata University |
Low profile satellite-tracking dual-band triangular-patch array antenna for mobile satellite communications
Josaphat Tetuko Sri Sumantyo, Koichi Ito (Chiba Univ.) |
A simple satellite-tracking dual-band left-handed circularly polarized (LHCP) triangular-patch array antenna is develope... [more] |
AP2004-136 RCS2004-157
pp.19-24 |
| RCS, AP |
2004-10-28
13:15 |
Niigata |
Niigata University |
A Study on Folded Normal-mode Helical Antennas
Yoshie Ogura, Masao Asakawa, Tadahiko Maeda (Ritsumeikan Univ.) |
In order to reduce the size of the handheld wireless terminals, the demand for the miniaturization of antennas has incre... [more] |
AP2004-137 RCS2004-158
pp.25-30 |
| RCS, AP |
2004-10-28
13:40 |
Niigata |
Niigata University |
An experimental study on measurable frequency range of antenna efficiency measurement using the waveguide
Takayuki Kaneko, Nozomu Ishii, Michio Miyakawa (Niigata Univ.) |
In measuring the radiation efficiency of the monopole using the improved Wheeler method, some dips of the measured effic... [more] |
AP2004-138 RCS2004-159
pp.31-36 |
| RCS, AP |
2004-10-28
14:05 |
Niigata |
Niigata University |
Considerations on 45-degrees linearly polarized printed slot array antenna in which radiating elements are arranged on both sides of feedline
Takahiro Ishigaki, Manabu Yamamoto, Toshio Nojima (Hokkaido Univ.), Kiyohiko Itoh (Tomakomai National College of Technology) |
A 45-degree linearly polarized array antenna in which printed slots are arranged on both sides of a microstrip line is d... [more] |
AP2004-139 RCS2004-160
pp.37-42 |
| RCS, AP |
2004-10-28
14:30 |
Niigata |
Niigata University |
A Corner Reflector Antenna with a Wide-Shaped Parasitic Element
Hironori Kakefuda (Nihon Dengyo Kosaku), Yoshio Ebine (NTT DoCoMo), Hiroyuki Arai (Yokohama National Univ.) |
[more] |
AP2004-140 RCS2004-161
pp.43-48 |
| RCS, AP |
2004-10-28
14:55 |
Niigata |
Niigata University |
Spectrum separation for electromagnetic noise using eigen value decomposition of covariance matrix
Hiroshi Hirayama, Nobuyoshi Kikuma, Kunio Sakakibara (Nagoya Inst. of Tech.), Yoshio Kami (Univ. of Electro-Communications) |
[more] |
AP2004-141 RCS2004-162
pp.49-54 |
| RCS, AP |
2004-10-28
15:30 |
Niigata |
Niigata University |
[Special Talk]
Topics and issues on mobile ad hoc networks
Kenichi Mase (Niigara Univ.) |
We present the status of standardization in ad hoc networks in terms of routing protocols and IP address autoconfigurati... [more] |
|
| RCS, AP |
2004-10-29
09:30 |
Niigata |
Niigata University |
Effectively use of two freedoms as for reactance diversity of 3-element ESPAR antenna
Kyouichi Iigusa, Takuma Sawaya, Makoto Yamamoto, Makoto Taromaru, Takashi Ohira (ATR) |
In the case of 3-element ESPAR antenna, impedance matching is kept while reactance (reactance) diversity controlling by ... [more] |
AP2004-153 RCS2004-174
pp.1-6 |
| RCS, AP |
2004-10-29
09:55 |
Niigata |
Niigata University |
Reactance Value Optimization of Two- and Three-Element ESPAR Antennas in Consideration of Diversity Performance and Impedance Matching
Koji Kato, Kyouichi Iigusa, Makoto Taromaru, Takashi Ohira (ATR) |
[more] |
AP2004-154 RCS2004-175
pp.7-12 |
| RCS, AP |
2004-10-29
10:20 |
Niigata |
Niigata University |
Null-Steering Antenna by using monopole array mounted on the side-surface of a cubic groundplane
Ryotaro Tamaki, Nobuhiro Kuga, Hiroyuki Arai (YNU) |
An antenna for the obstacle detection radar with small cubic-ground is presented. It is the array composed of two or thr... [more] |
AP2004-155 RCS2004-176
pp.13-18 |
| RCS, AP |
2004-10-29
10:45 |
Niigata |
Niigata University |
Effect of element patterns on diversity reception
Mitoshi Fujimoto, Toshikazu Hori (Univ. of Fukui) |
It is difficult that several omni-directional antennas are mounted on mobile terminal in the case of antenna system such... [more] |
AP2004-156 RCS2004-177
pp.19-24 |
| RCS, AP |
2004-10-29
13:00 |
Niigata |
Niigata University |
Combiner circuit design of RF diversity antenna controlled with variable capacitors
Hiroya Tanaka, Jun-ichi Takada (Tokyo Inst. of Tech.), Ichirou Ida, Yasuyuki Oishi (Fujitsu Ltd.) |
[more] |
AP2004-157 RCS2004-178
pp.25-30 |
| RCS, AP |
2004-10-29
13:25 |
Niigata |
Niigata University |
A configuration of basestation for SDMA in urban area
Nobuhiko Takemura, Hajime Kuwahara, Toshikazu Hori, Mitoshi Fujimoto (Univ. of Fukui), Kentaro Nishimori (NTT) |
The SDMA system is proposed in order to improve the frequency utilization efficiency in recent years. In this paper, to ... [more] |
AP2004-158 RCS2004-179
pp.31-34 |
| RCS, AP |
2004-10-29
13:50 |
Niigata |
Niigata University |
Base Station configuration of indoor wireless LAN for SDMA system
Sokthai Chan, Mitoshi Fujimoto, Toshikazu Hori (Univ. of Fukui) |
Indoor Wireless LAN applying for Space Division Multiple Access System(SDMA) has been proposed. However it is difficult ... [more] |
AP2004-159 RCS2004-180
pp.35-40 |
| RCS, AP |
2004-10-29
14:15 |
Niigata |
Niigata University |
Optimal Design of MIMO Antenna Arrangement for Specified Distribution of Arrival Waves
Yousuke Naruse, Jun-ichi Takada (Tokyo Tech) |
[more] |
AP2004-160 RCS2004-181
pp.41-46 |
| RCS, AP |
2004-10-29
14:50 |
Niigata |
Niigata University |
Characteristics of Frequency Correlation by Antenna Arrangement for Broadband MIMO transmission
Kentaro Nishimori, Nobuhiko Tachikawa, Yasushi Takatori, Riichi Kudo, Koichi Tsunekawa (NTT) |
Recently, Multiple Input Multiple Output-Orthogonal Frequency Division Multiplexing (MIMO-OFDM) has attracted much atten... [more] |
AP2004-161 RCS2004-182
pp.47-52 |
| RCS, AP |
2004-10-29
15:15 |
Niigata |
Niigata University |
Performance Evaluation of MIMO-SDM Considering Mutual Coupling Based on Indoor Measurements
Hiroshi Nishimoto, Yasutaka Ogawa, Toshihiko Nishimura, Takeo Ohgane (Hokkaido Univ.) |
We measured MIMO channels with mutual coupling of antennas in indoor line-of-sight(LOS) and non-LOS(NLOS) environments w... [more] |
AP2004-162 RCS2004-183
pp.53-58 |