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Technical Committee on Antennas and Propagation (AP) (Searched in: 2015)
Search Results: Keywords 'from:2015-07-30 to:2015-07-30'
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2015-07-30 10:00 |
Hokkaido | Wakkanai Sougou Bunka Center | Dual-Band Decoupling Method for Two MIMO Antenna Using Branch Elements Keita Kuriyama, Keisuke Okuda, Hiroshi Sato, Masaharu Takahashi (Chiba Univ.)  AP2015-39 |
Recently, the technology of MIMO (Multiple-Input Multiple-Output) using multiple antennas and CA (Carrier Aggregation) u... [more] | AP2015-39 pp.1-6 |
| AP | 2015-07-30 10:25 |
Hokkaido | Wakkanai Sougou Bunka Center | A Invetigation of Multiple Region/Dual Grid-FDTD Method Teru Obata, Toru Uno, Takuji Arima (TUAT) AP2015-40 |
In this study, we will propose high-efficient FDTD calculation technique for large-scale analysis is proposed. The metho... [more] | AP2015-40 pp.7-10 |
| AP | 2015-07-30 11:00 |
Hokkaido | Wakkanai Sougou Bunka Center | Relationship between Rain Cloud Motion along the Propagation Path and Ground Wind Velocity around the Earth Station in Ku-Band Satellite Communications Links Yasuyuki Maekawa, Yoshiaki Shibagaki (Osaka Electro-Commun. Univ.) AP2015-41 |
Speeds and directions of the motion of rain areas that cause the attenuation of Ku-band satellite communications links a... [more] | AP2015-41 pp.11-14 |
| AP | 2015-07-30 11:25 |
Hokkaido | Wakkanai Sougou Bunka Center | Interference Evaluation of Millimeter Wave Band Massive-MIMO Equipped with by a Mobile Terminal Takuya Wadaka, Yasuhiro Tsunemitsu, Toshiyuki Maeyama (Takushoku Univ.) AP2015-42 |
Massive-MIMO communication using the millimeter waves has been considered as the fifth generation mobile communication s... [more] | AP2015-42 pp.15-20 |
| AP | 2015-07-30 13:05 |
Hokkaido | Wakkanai Sougou Bunka Center | Investigation of radiation pattern and leakage current of Broadband Sleeve Antenna Takashi Oki, Naobumi Michishita (NDA), Masao Sakuma (Sakuma antenna), Hisashi Morishita (NDA) AP2015-43 |
Simple wideband techniques of Sleeve antenna with a choke(SLAC) have already been proposed. This technique is merely the... [more] | AP2015-43 pp.21-25 |
| AP | 2015-07-30 13:30 |
Hokkaido | Wakkanai Sougou Bunka Center | Evaluations of Coverage and Intersymbol Interference in a 60 GHz-Band Compact-Range Wireless Access System using Large Array Antennas Miao Zhang, Kiyomichi Araki, Jiro Hirokawa, Makoto Ando (Tokyo Tech.) AP2015-44 |
A compact-range wireless access system in the 60 GHz-band has been proposed for multi-Gb/s data transfer. A prototype Gi... [more] | AP2015-44 pp.27-32 |
| AP | 2015-07-30 13:55 |
Hokkaido | Wakkanai Sougou Bunka Center | Intersymbol Interference Analysis of a Compact-range High-speed Wireless Communication System using Traveling-wave-fed Slot Arrays Masahiro Wakasa, Miao Zhang, Jiro Hirokawa, Kiyomichi Araki, Makoto Ando (Tokyo Tech.) AP2015-45 |
A demand for high-capacity communication systems is increasing dramatically in recent years. A compact-range communicati... [more] | AP2015-45 pp.33-37 |
| AP | 2015-07-30 14:30 |
Hokkaido | Wakkanai Sougou Bunka Center | Summary and R&D Status of Satellite Antenna Footprint Measurement System Amane Miura, Teruaki Orikasa, Maki Akioka, Hiroyuki Tsuji, Masaki Satoh, Morio Toyoshima (NICT) AP2015-46 |
[more] | AP2015-46 pp.39-44 |
| AP | 2015-07-30 14:55 |
Hokkaido | Wakkanai Sougou Bunka Center | Sidelobe Reduction of Mono Pulse Pattern Using Time Modulated Array Antenna Makoto Matsuki, Kazunari Kihira, Satoshi Yamaguchi, Masataka Ohtsuka, Hiroaki Miyashita (Mitsubishi Electric Corporation) AP2015-47 |
A low side lobe level pattern in a phased array antenna is desired for the radar systems. The phase shifter control type... [more] | AP2015-47 pp.45-50 |
| AP | 2015-07-30 15:20 |
Hokkaido | Wakkanai Sougou Bunka Center | Configuration and Characteristics of Radio Wave Anechoic Chamber with Easily Assembled Structure Tokio Taga (Kwansei Gakuin Univ.) AP2015-48 |
[more] | AP2015-48 pp.51-56 |
| AP | 2015-07-30 15:55 |
Hokkaido | Wakkanai Sougou Bunka Center | [Tutorial Lecture]
Design of Wideband Printed Dipole and Slot Antennas and Their Applications Manabu Yamamoto (Hokkaido Univ.) AP2015-49 |
[more] | AP2015-49 pp.57-62 |
| AP | 2015-07-30 16:55 |
Hokkaido | Wakkanai Sougou Bunka Center | [Special Talk]
Some Japanese radio wave technology Hisashi Morishita (National Defence Academy) |
[more] | |
| AP | 2015-07-31 09:30 |
Hokkaido | Wakkanai Sougou Bunka Center | Calculation accuracy of loss conductive cylinder using MoM Akihiro Fujitani, Toru Uno, Takuji Arima (TUAT) AP2015-50 |
In order to analyze an antenna efficiency by Method of Moment (MoM), a loss of antenna conductor is modeled by a surface... [more] | AP2015-50 pp.63-66 |
| AP | 2015-07-31 09:55 |
Hokkaido | Wakkanai Sougou Bunka Center | Analysis of Radiation Characteristic for Reflector Antennas using the Planer Near-Field Measurements of a Primary Pattern Michio Takikawa, Yoshio Inasawa, Hiroaki Miyashita (MELCO) AP2015-51 |
It is possible to estimate the various characteristics for the near-field antenna measurements using a plane wave expans... [more] | AP2015-51 pp.67-70 |
| AP | 2015-07-31 10:20 |
Hokkaido | Wakkanai Sougou Bunka Center | Dependency of Frequency Selective Reflector Element Shape on Radiation Characteristics of FSR Backed Dipole Antenna Yusuke Tanizawa, Keizo Cho (Chiba Institute of Tech), Hideya So, Atsuya Ando (NTT) AP2015-52 |
Multi-band antennas have been popularly used as base station antennas for mobile communications systems. In this researc... [more] | AP2015-52 pp.71-76 |
| AP | 2015-07-31 10:55 |
Hokkaido | Wakkanai Sougou Bunka Center | Evaluation of Wireless Area by Ray Tracing Method at 3.5GHz Band
-- On Beam Tilting Effect -- Mayumi Yoshino, Yoshio Ebine, Asuka Nishizaka (Dengyo) AP2015-53 |
In 4th generation mobile communication systems, wireless area by a base station antenna takes the form of small wireless... [more] | AP2015-53 pp.77-82 |
| AP | 2015-07-31 11:20 |
Hokkaido | Wakkanai Sougou Bunka Center | Accuracy Improvement of Ray-Tracing Method with Rounded-Shape (RS) Model for Non Line-Of-Site (NLOS) Route in Street Cell Environment
-- Consideration of Building Shape and Surface Roughness -- Nobutaka Omaki, Koshiro Kitao, Tetsuro Imai, Yukihiko Okumura (DOCOMO) AP2015-54 |
In 5G mobile communication system, it is one of the most important issues to clarify the propagation characteristics in ... [more] | AP2015-54 pp.83-88 |
| AP | 2015-07-31 12:45 |
Hokkaido | Wakkanai Sougou Bunka Center | A Regression Formula of Propagation Loss in Obliquely-Crossed Road for Inter-Vehicle and Pedestrian-to-Vehicle Communications
-- In a case of No Path Shadowing between Transmitter and Receiver -- Takahiro Kanda, Tokio Taga (Kwansei Gakuin Univ.) AP2015-55 |
This paper proposes a regression model of propagation loss in obliquely crossed road which can apply to not only the int... [more] | AP2015-55 pp.89-93 |
| AP | 2015-07-31 13:10 |
Hokkaido | Wakkanai Sougou Bunka Center | A Study of LOS Rate Definition for Sloping Terrain Correction Equation in Urban Path Loss Estimation Formula Kohei Ohnishi, Jumpei Miki, Shigeru Tomisato, Masaharu Hata (Okayama Univ.) AP2015-56 |
As one of the effective path loss estimation method for small sloping area, the elevation angle correction method is pro... [more] | AP2015-56 pp.95-100 |
| AP | 2015-07-31 13:35 |
Hokkaido | Wakkanai Sougou Bunka Center | Urban model for path loss of microcell in consideration of frequency characteristics Daiki Furuishi, Daisuke Wakita, Kazuya Kurisu, Shinichi Ichitsubo (Kyushu Inst. of Tech.) AP2015-57 |
A mechanism model for propagation loss on urban microcell was examined. For a model of propagation loss, the multiple-s... [more] | AP2015-57 pp.101-106 |
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