Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
ED, MW |
2024-01-26 14:50 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
[Invited Talk]
Research on Phased Array Antenna Device for Beyond 5G Takana Kaho, Hideya So, Koji Matsunaga (Shonan Inst. Tech.) ED2023-80 MW2023-172 |
Beyond 5G mobile communication systems are expected to use higher frequencies, and base station equipment is required to... [more] |
ED2023-80 MW2023-172 pp.75-80 |
MWPTHz, EST, MW, EMT, OPE, IEE-EMT [detail] |
2022-07-19 10:10 |
Hokkaido |
Asahikawa Civic Culture Hall (Primary: On-site, Secondary: Online) |
A 5.2GHz-Band Reflection-Type Retrodirective Array Using Butler Matrix with Broadside Couplers Yusaku Honma, Jean Temga, Tomoyuki Furuichi, Takashi Shiba, Noriharu Suematsu (Tohoku Univ.) EMT2022-19 MW2022-43 OPE2022-22 EST2022-20 MWPTHz2022-17 |
In backscatter system, increasing the gain of the tag antennas is an important task for extending the communication rang... [more] |
EMT2022-19 MW2022-43 OPE2022-22 EST2022-20 MWPTHz2022-17 pp.62-65 |
AP, WPT (Joint) |
2022-01-21 13:30 |
Tottori |
Kenmin-Fureai-Kaikan (Primary: On-site, Secondary: Online) |
Proposal on Novel Staircase Array Antenna Configuration utilizing Stacked Butler Matrix Hideya So, Yoshitada Watanabe, Takana Kaho (SIT), Mizuki Suga, Takuto Arai, Yushi Shirato, Hideki Toshinaga, Daisei Uchida, Naoki Kita (NTT) AP2021-151 |
Massive Multiple-Input Multiple-Output (Massive MIMO), which uses a large number of antenna elements, has been investiga... [more] |
AP2021-151 pp.92-97 |
MW, AP (Joint) |
2021-09-09 13:00 |
Online |
Online |
Fundamental Examination of Beam Reflection Circuit Using Butler Matrix Yusaku Honma, Noriharu Suematsu (Tohoku Univ.) MW2021-33 |
In backscatter system such as Radio Frequency Identification (RFID), increasing the gain of the tag antennas is an impor... [more] |
MW2021-33 pp.1-5 |
MW |
2021-05-20 13:30 |
Online |
Online |
Trial Fabrication and Evaluation of PTFE Substrate Integrated Waveguide Butler Matrix for Short Millimeter-Wave Mitsuyoshi Kishihara (Okayama Pref. Univ.), Kaito Fujitani, Akinobu Yamaguchi, Yuichi Utsumi, Isao Ohta (Univ. of Hyogo) MW2021-6 |
This paper attempts to fabricate and evaluate a 4×4 Butler matrix for short millimeter-wave, based on the fabrication pr... [more] |
MW2021-6 pp.5-10 |
AP (2nd) |
|
Overseas |
Hotel Istana, Kuala Lumpur |
Design of Millimeter-wave 4x4 Butler Matrix using Finline in Double Layer Dielectric Substrate Nguyen Thanh Tuan, Kunio Sakakibara, Nobuyoshi Kikuma (NIT), Kojiro Iwasa, Takeshi Okunaga, Akira Nakatsu (NIPPON PILLAR) |
In the fifth generation mobile communication system (5G) and high-resolution automotive radar systems, beam-scanning is ... [more] |
|
MW (2nd) |
2019-06-26 - 2019-06-28 |
Overseas |
RUS, Bangkok, Thailand |
Design of Substrate Integrated Waveguide Type Butler Matrix at 12.5GHz Kohei Fukuda, Koki Denda, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo) |
In this paper, we study -3dB and 0dB couplers of the H-plane waveguide circuits in order to apply these couplers to Subs... [more] |
|
AP, SANE, SAT (Joint) |
2018-07-19 14:25 |
Hokkaido |
Hokkaido Univ. |
Performance Evaluation of Multi-Beam Massive MIMO Using 64 Multi-Beam Pattern Akinori Kudo, Kentaro Nishimori, Ryotaro Taniguchi, Shota Ogawa, Fumiya Muramatsu (Niigata Univ.), Takefumi Hiraguri (NIT.), Jiro Hirokawa (Tokyo Tech.) AP2018-55 |
Multi-beam massive MIMO configuration has been proposed that utilizes the beam selection with high power in an analog pa... [more] |
AP2018-55 pp.79-84 |
AP, RCS (Joint) |
2017-11-08 09:50 |
Fukuoka |
Fukuoka University |
Design of Millimeter-wave 4x4 Butler Matrix for Feeding Circuit of Multi-beam Antenna Using Finline in Multilayer Substrate Yuta Mizuno, Kunio Sakakibara, Nobuyoshi Kikuma (NIT), Kojiro Iwasa (PILLAR) AP2017-109 |
Multi-beam antennas which can cover wide angle with high gain are attracted for practical applications of millimeter wav... [more] |
AP2017-109 pp.9-14 |
AP |
2017-10-20 14:00 |
Aomori |
Hchinohe-Shoukou-Kaikan |
Propagation Analysis by Number of Beams for Horizontal Antenna Pattern
-- Base Station Antenna Characteristics by Single Beam or Multi-Beam -- Mayumi Yoshino, Doppo Sugimura, Makoto Mizumura (Dengyo), Yoshio Ebine (NAZCA) AP2017-104 |
In this paper, we consider number of horizontal antenna pattern beams and perform propagation analysis in urban or subur... [more] |
AP2017-104 pp.51-56 |
MW, ICD |
2017-03-02 09:00 |
Okayama |
Okayama Prefectural Univ. |
Fabrication of Integrated PTFE-Filled Waveguide Butler Matrix for Short Millimeter-Wave by SR Etching
-- Construction Using Cruciform Couplers and Intersection Circuits -- Mitsuyoshi Kishihara (Okayama Pref. Univ.), Akinobu Yamaguchi, Yuichi Utsumi, Isao Ohta (Univ. of Hyogo) MW2016-188 ICD2016-118 |
This paper attempts to fabricate an integrated waveguide Butler matrix for short millimeter-wave using SR etching proces... [more] |
MW2016-188 ICD2016-118 pp.1-6 |
AP |
2017-02-17 10:20 |
Tochigi |
Tochigiken-sougou-bunnka Center |
[Invited Lecture]
Ray Tracing Propagation Analysis by Considering with Multi-Beam Antenna Pattern Mayumi Yoshino, Doppo Sugimura, Makoto Mizumura (Dengyo), Yoshio Ebine (NAZCA) AP2016-169 |
In this paper,we perform ray tracing propagation analysis considering with multi-beam antenna to investigate the effect ... [more] |
AP2016-169 pp.71-76 |
AP |
2016-06-09 13:30 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
Evaluation of 16X16 way One-body 2-D Beam-switching Butler Matrix Dong-Hun Kim, Jiro Hirokawa, Makoto Ando (TITECH) AP2016-33 |
Characteristics of a 16×16-way one-body two-dimensional (2-D) beam-switching Butler matrix with short-slot 2-plane coupl... [more] |
AP2016-33 pp.9-12 |
AP |
2015-04-22 14:25 |
Okinawa |
Ishigaki City |
Design of Two-dimensional Beam-switching Butler Matrix using Short-Slot Two-plane Couplers Dong-Hun Kim, Jiro Hirokawa, Makoto Ando (TITECH) AP2015-4 |
A two-dimensional (2-D) beam-switching Butler matrix using short-slot two-plane couplers is proposed. A short-slot 2-pla... [more] |
AP2015-4 pp.13-16 |
AP |
2009-10-08 16:00 |
Shizuoka |
Shizuoka University |
Positioning System for the Passive RFID Tag Hideki Nakamura, Yoshihiko Kuwahara (Shizuoka Univ.), Kazuo Ishida, Masayoshi Kai (NECST) AP2009-117 |
In this report, positioning system for the passive RFID tag is presented. The antenna aperture is composed of 2
4-eleme... [more] |
AP2009-117 pp.85-90 |
SIS |
2008-12-04 13:55 |
Osaka |
Kansai Univ. |
Trial Manufacturing and Evaluation of the Direction Finder for Passive RFID Tag Yoshihiko Kuwahara, Hideki Nakamura (Shizuoka Univ.), Masayoshi Kai (NEC System Technologies, Ltd) |
In this report, trial manufacturing and evaluation test results of the direction finder for the passive RFID tag are pre... [more] |
SIS2008-50 pp.45-50 |
RCS, AP (Joint) |
2007-11-08 15:25 |
Tokyo |
Univ. of Electro-Commun. |
Single-Layer Post-Wall Waveguide Butler Matrix with 180-Degree Dividers to control Crossing and Sidelobe Levels Keiichi Morimoto, Jiro Hirokawa, Makoto Ando (Tokyo Tech) AP2007-113 |
The configuration of an additional circuit to the 4-way Butler matrix was proposed to control the crossover and sidelobe... [more] |
AP2007-113 pp.63-68 |