Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP |
2016-01-15 14:40 |
Tokyo |
Takushoku University, Hachiouji Campus |
[Invited Lecture]
Dual Branch Polarization Composite Type Left-Handed Omnidirectional Antenna Comprising Coplanar Strip Line Takuya Seki, Ichiro Oshima (Denkikogyo), Naobumi Michishita (National Defense Academy), Kaizo Cho (Chiba Institute of Technology) AP2015-184 |
The authors realized slender omnidirectional antenna which applies polarization composite method to CRLH line for applic... [more] |
AP2015-184 pp.95-99 |
MW, AP (Joint) |
2015-09-18 12:45 |
Tochigi |
Oyama National College of Tech. |
Field Evaluation of Cell Quality by Beam Control with Active Array Antenna System Masayuki Nakano, Toru Kitayabu (KDDI R&D Labs.), Shohei Natori, Keisuke Sato, Ichiro Oshima (DKK), Koji Miyata, Hisahiro Hayashi, Kazuhiro Gosui (KDDI) AP2015-90 |
Active array antenna system (AAS) is considered as the base station of the next generation. In order to reduce the inter... [more] |
AP2015-90 pp.59-64 |
AP, SANE (Joint) |
2015-08-27 14:35 |
Ibaraki |
Ibaragi Univ. Mito Campus |
Active Array Antenna System for Cellular Base Station Keisuke Sato, Shohei Natori, Ichiro Oshima (Denkikogyo), Toru Kitayabu, Masayuki Nakano (KDDI Lab.), Kouji Miyata, Hisahiro Hayashi, Kazuhiro Gosui (KDDI) AP2015-65 |
In 5th generation mobile networks, the introduction of active array antenna system (AAS) is considered for energy effici... [more] |
AP2015-65 pp.25-30 |
AP |
2015-05-22 13:00 |
Nara |
Naraken Shakai Fukushi Sougou Center (Kashihara City) |
Left-Handed Band Leaky Wave Omnidirectional Antenna Ichiro Oshima, Takuya Seki (DKK), Naobumi Michishita (NDA), Keizo Cho (CIT) AP2015-27 |
We propose a novel leaky-wave omnidirectional antenna using a coplanar-strip-type composite right/left-handed (CRLH) lin... [more] |
AP2015-27 pp.47-50 |
AP |
2015-02-19 14:35 |
Hyogo |
Chusho-kigyou center at Amagasaki-City |
[Invited Lecture]
Dual-Polarized Base Station Antenna Design for a Robust Multi-User MIMO System Ichiro Oshima (DKK), Yoshio Karasawa (UEC) AP2014-195 |
The optimal configuration for a four- element linear array was previously proposed as an antenna array configuration for... [more] |
AP2014-195 pp.49-53 |
AP, RCS (Joint) |
2014-11-13 14:40 |
Yamagata |
Yamagata University, Yonezawa Campus |
Restoring Directivity of Active array Antenna System in the case of Antenna Element Failure Yukitaka Takahashi, Shohei Natori, Keisuke Sato, Ichiro Oshima (Denki Kogyo), Toru Kitayabu, Masayuki Nakano (KDDI R&D LABS) AP2014-143 |
Active array Antenna System (AAS) is expected for base station antenna of mobile communication system. AAS has the phase... [more] |
AP2014-143 pp.81-86 |
AP |
2014-05-30 14:10 |
Okinawa |
Okinawa Industory Support Center |
Configuration of Dipole Antenna with PMC Reflector Ryuji Kuse, Yasutaka Murakami, Toshikazu Hori, Mitoshi Fujimoto (Univ. Fukui), Takuya Seki, Keisuke Sato, Ichiro Oshima (Denki Kogyo) AP2014-36 |
The low-profile and high gain antenna can be realized by using an AMC (Artificial Magnetic Conductor) as the reflector t... [more] |
AP2014-36 pp.91-94 |
AP |
2014-05-30 15:10 |
Okinawa |
Okinawa Industory Support Center |
Experimental Evaluation of Phase Shifter for Dual Frequency Base Station Antenna Using Composite Right/Left-Handed Transmission Line on Dielectric Substrate Naobumi Michishita, Yoshihide Yamada (NDA), Keizo Cho (Chiba Inst. of Tech.), Takuya Seki, Ichiro Oshima (Denki Kogyo) AP2014-38 |
[more] |
AP2014-38 pp.99-102 |
AP (2nd) |
2014-05-15 - 2014-05-16 |
Ishikawa |
The Kanazawa Theatre |
[Poster Presentation]
Equivalent Circuit Analysis for Alternated Double Layered Patch Type FSS with Dielectric Substrate Ryuji Kuse, Toshikazu Hori, Mitoshi Fujimoto (Univ. Fukui), Takuya Seki, Keisuke Sato, Ichiro Oshima (Denki Kogyo) |
This paper describes a filtering characteristics of the alternated double layered patch type FSS (Frequency Selective Su... [more] |
|
AP |
2014-02-07 10:00 |
Aichi |
Kojima Industries Corporation, Kojima Research Center |
[Invited Lecture]
Study of Measurement Method of Transmitter Characteristecs of Active Array Antenna for Cellular Base Station Yukitaka Takahashi, Shohei Natori, Keisuke Sato, Ichiro Oshima (DKK), Toru Kitayabu, Masayuki Nakano (KDDI Lab.) AP2013-177 |
Active array Antenna System (AAS) is expected for base station antenna of next generation mobile communication system (I... [more] |
AP2013-177 pp.63-68 |
AP |
2014-01-22 14:25 |
Kagoshima |
Hozan Hall (Kagoshima Prefectural Culture Center) |
Dual Frequency and Polarized Self-Diplexing Antenna Keisuke Sato, Ichiro Oshima (Denki Kogyo), Toru Kitayabu, Masayuki Nakano (KDDI Labs.) AP2013-141 |
Currently, multi-frequency band and dual-polarized antennas are often used as a base station antenna in mobile communica... [more] |
AP2013-141 pp.43-48 |
AP |
2013-08-30 09:30 |
Kanagawa |
Yokosuka |
Equivalent Circuit Analysis for Double Layer Patch Type AMC in Consideration of Mutual Coupling between Layers Ryuji Kuse, Toshikazu Hori, Mitoshi Fujimoto (Univ. of Fukui), Takuya Seki, Keisuke Sato, Ichiro Oshima (Denki Kogyo) AP2013-68 |
This paper describes the equivalent circuit analysis of a double layer AMC (Artificial Magnetic Conductor) in considerin... [more] |
AP2013-68 pp.37-40 |
AP |
2013-06-14 11:35 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Design and Measurement of a Parallel Plate Slot Array Antenna Fed by a Rectangular Coaxial Line Hajime Nakamichi, Makoto Sano, Jiro Hirokawa, Makoto Ando (Tokyo Tech), Katsumori Sasaki, Ichiro Oshima (Denki Kogyo) AP2013-45 |
We have proposed a parallel plate slot array antenna fed by a rectangular coaxial line, which simplifies the electrical ... [more] |
AP2013-45 pp.57-62 |
AP (2nd) |
2012-12-21 15:00 |
Okinawa |
KDDI Naha Building 6F |
Study of Measurement Method of Transmitter Characteristics of Active Array Antenna for Cellular Base Station Yukitaka Takahashi, Keisuke Sato, Ichiro Oshima (Denkikogyo), Yoshiaki Amano, Toru Kitayabu, Masayuki Nakano (KDDI Lab.) |
[more] |
|
AP, RCS (Joint) |
2012-11-15 09:25 |
Tokyo |
Tokyo Denki University |
Simplified Two-Stage-Type MIMO-OTA Simulation Scheme and Its Application to Evaluation of Antenna Coupling Effect Guijiang Sun, Katsuhiro Nakada (UEC), Ichiro Oshima (Denki Kogyo), Yoshio Karasawa (UEC) AP2012-94 |
OTA(Over-the-Air) system is a method to evaluate the performance of a MIMO communication terminal in a real environment.... [more] |
AP2012-94 pp.7-12 |
AP, RCS (Joint) |
2012-11-16 13:25 |
Tokyo |
Tokyo Denki University |
Polarization Composite Omnidirectional MIMO Antenna
-- Simulation Study on Crossed U-Shaped Dipole Antenna with Parasitic Elements -- Ichiro Oshima (Denki Kogyo), Yoshio Karasawa (UEC) AP2012-109 |
We suggest a polarization composite omnidirectional antenna that is different from a conventional vertically and horizon... [more] |
AP2012-109 pp.93-98 |
AP, RCS (Joint) |
2012-11-16 15:15 |
Tokyo |
Tokyo Denki University |
A Reverberation Chamber to Realize Multipath-Rich Environment [IV]
-- Frequency Dependence of Propagation Characteristics in the Chamber -- Fatahuddin Tamrin (Univ. of Electro-Comm.), Ichiro Oshima (Denki Kogyo), Yoshio Karasawa (Univ. of Electro-Comm.) AP2012-113 |
We already have a 4(m)×2(m)×2(m)-sized reverberation chamber realizing multipath-rich environment for MIMO-OTA measureme... [more] |
AP2012-113 pp.115-120 |
AP, RCS (Joint) |
2011-11-17 13:30 |
Aichi |
Nagoya Congress Center |
[Requested Talk] Reverberation Chamber for MIMO-OTA Testing System
-- The Performance and Possibility -- Ichiro Oshima (DKK), Yoshio Karasawa (UEC) AP2011-108 RCS2011-212 |
Creation of multipath-rich propagation environment is needed to evaluate
the performance of a MIMO communication termin... [more] |
AP2011-108 RCS2011-212 pp.109-114(AP), pp.139-144(RCS) |
AP, ITE-BCT |
2011-02-09 15:05 |
Tokyo |
NHK Science Tech. Research Lab. |
A Reverberation Chamber to Realize Multipath-rich Environment [III]
-- Environment Control by Electromagnetic Wave Absorbing Sheet: Part 2 -- Rizwan Arif, Masahiro Shinozawa, Ichiro Oshima, Yoshio Karasawa (Univ. of Electro-Comm.) AP2010-164 |
Creation of multipath-rich propagation environment is needed to evaluate the performance of a MIMO communication termina... [more] |
AP2010-164 pp.19-23 |
AP |
2008-09-11 10:10 |
Kanagawa |
National Defense Academy |
A Reverberation Chamber to Realize Multipath-rich Environment[II]
-- Environment Control by Electromagnetic Wave Absorbing Sheet -- Katsumori Sasaki, Ichiro Oshima (Denki Kogyo), Yoshio Karasawa (UEC) AP2008-77 |
Performance evaluation in the multipath-rich environment is indispensable with the broadband wireless communication syst... [more] |
AP2008-77 pp.13-18 |