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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 34  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
AP 2021-02-19
Online Online [Invited Lecture] Propagation Characteristics for Different Antennas in 28 GHz Band
Ichiro Oshima, Noboru Sekino (DKK), Tetsuro Imai (TDU) AP2020-126
Propagation measurements were performed for local 5G area design in the 28 GHz band by changing the antenna type outdoor... [more] AP2020-126
Saga Saga Univ. Equivalent circuit parameters reducing beam squint of left-handed leaky wave antenna
Kazuki Terada, Keizo Cho, Hiroaki Nakabayashi (CIT), Naobumi Michishita (NDA), Ichiro Oshima (DKK) AP2019-122
A rod-like leaky wave antenna composed of CRLH transmission lines has been proposed as a base station antenna for small ... [more] AP2019-122
Saga Saga Univ. [Tutorial Lecture] Application of Meta-material to Base Station Antennas for Mobile Communication Systems
Keizo Cho (Chiba Inst. Tech), Naobumi Michishita (National Defense Academy), Ichiro Oshima (DKK) AP2019-133 RCS2019-228
 [more] AP2019-133 RCS2019-228
pp.145-150(AP), pp.139-144(RCS)

Overseas Hotel Istana, Kuala Lumpur Phase Variation Analysis of Leaky Wave Antenna Composed of CRLH Transmission Line Using Equivalent Circuit
Kazuki Terada, Keizo Cho, Hiroaki Nakabayashi (CIT), Naobumi Michishita (NDA), Takayoshi Sasaki, Keisuke Sato, Ichiro Oshima (DKK)
A leaky wave antenna configured by CRLH transmission lines has been proposed. There is a problem that the direction of t... [more]
WPT 2019-03-08
Kyoto Kyoto Univ. Uji Campus A study on the OTA measurement for the interference of the wireless power transmission
Keisuke Sato, Noboru Sekino, Hayate Kimoto, Syo Yoshida, Ichiro Oshima (DKK), Kentaro Nishimori (Niigata Univ.) WPT2018-85
Wireless power transmitter (WPT) using microwaves must have a technology of reduction interference to the existing wirel... [more] WPT2018-85
AP 2019-02-22
Osaka Sumitomo Electric Industries (Osaka Works) [Invited Lecture] CRLH Transmission Line Leaky Wave Antenna with Dual Band and Dual Polarized Wave by Grounded Coplanar Transmission Line
Takayoshi Sasaki, Keisuke Sato, Ichiro Oshima (DKK), Naobumi Michishita (NDA), Keizo Cho (CIT) AP2018-183
The authors have developed a left-handed leaky wave sector antenna with a grounded coplanar line so far. In this report,... [more] AP2018-183
AP 2018-02-15
Tokyo Kozo Keikaku Engineering, Inc. [Invited Lecture] Performance Evaluation by Composite Type Left-Handed Omni-directional Antenna in Actual Outdoor Environment at 5GHz Band
Kota Shishido, Ichiro Oshima, Takayoshi Sasaki, Keisuke Sato (Denki Kogyo Co. LTD,.), Kentaro Nishimori (Niigata Univ.) AP2017-176
In recent years, small cells have been used due to an increase in traffic of wireless communication. A composite type le... [more] AP2017-176
Fukuoka Fukuoka University [Invited Lecture] Study of antenna arrangement for massive MIMO at 5GHz band
Kota Shishido (Denki Kogyo), Kentaro Nishimori (Niigata Univ.), Katsumori Sasaki, Ichiro Oshima (Denki Kogyo) AP2017-130 RCS2017-235
 [more] AP2017-130 RCS2017-235
pp.119-123(AP), pp.175-179(RCS)
AP 2017-08-25
Hokkaido National Institute of Technology, Hakodate College Dual-Polarized Left-Handed Leaky Wave Antenna Using Grounded Coplanar Transmission Line
Takayoshi Sasaki, Keisuke Sato, Ichiro Oshima (Denki Kogyo), Naobumi Michishita (NDA), Keizo Cho (CIT) AP2017-85
In this report, we propose a leaky-wave dual-polarized sector antenna using a CRLH line with grounded coplanar line , as... [more] AP2017-85
- 2017-01-27
Overseas Malaysia-Japan International Institute of Technology (MJIIT) Fabrication of a Dual-polarized Corporate-feed Waveguide 32x32-slot Array Antenna with an Orthomode Transducer for 40 GHz Band
Taihei Fujino, Jiro Hirokawa, Makoto Ando (Tokyo Tech.), Katsumori Sasaki, Ichiro Oshima (Denki Kogyo Co., Ltd)
A dual-polarized corporate-feed waveguide 32x32-slot array antenna with an orthomode transducer is designed for 40 GHz b... [more]
AP 2016-05-20
Hyogo kobe Univ. Simulation Evaluation of Cell Quality by Beam Control on Active Array Antenna System
Masayuki Nakano, Toru Kitayabu (KDDI R&D Labs.), Keisuke Sato, Ichiro Oshima (DKK) AP2016-30
Active array antenna system (AAS) is considered as the base station of the next generation. In order to reduce the inter... [more] AP2016-30
AP 2016-03-10
Yamanashi Isawa Onsen (Kanpo no Yado) Equivalent Circuit Design of Unit Cell in Frequency Dispersive Phase Shifter Enlarging Frequency Dispersion of Phase Characteristics for Multi-Band Base Station Antenna
Yasuhito Yanagisawa, Ryuji Kataoka, Keizo CHO (CIT), Naobumi Michishita (NDA), Ichiro Oshima (DKK) AP2015-205
Frequency dispersive phase shifter for a multi-band base station antenna, which is capable of increasing the communicati... [more] AP2015-205
AP 2016-01-15
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
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
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
AP 2015-05-22
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
AP 2015-02-19
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
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
AP 2014-05-30
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
AP 2014-05-30
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
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