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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP | 2019-03-14 13:30 |
Fukushima | Yunoya (Iizaka Onsen, Fukushima) | Validation of Channel Capacity Improvement for MIMO Antenna with Dual Polarized Directional Beam Bakar Rohani, Hiroyuki Arai (Yokohama Nat. Univ.)  AP2018-187 |
Dual polarized directional antenna is developed for MIMO system in wireless communication due to its capability to deliv... [more] | AP2018-187 pp.7-11 |
| SR | 2018-10-31 13:25 |
Overseas | Mandarin Hotel, Bangkok, Thailand | [Poster Presentation]
On Beam-Pattern and Nulls toward Interferences in Multiuser MIMO Using Null-Space Extension Hironori Ban, Makoto Taromaru, Mai Ohta (Fukuoka Univ.) SR2018-86 |
Multi-user massive MIMO (MU-MIMO) is one of the key technologies for the 5th generation mobile communication system(5G).... [more] | SR2018-86 pp.71-72 |
| RCS | 2018-06-20 15:00 |
Nagasaki | Nagasaki University | Relationship between Interference-Wave Suppression Using Null-Space Extension in Multiuser MIMO and formed Beam-Pattern Hironori Ban, Makoto Taromaru, Mai Ohta (Fukuoka Univ.) RCS2018-43 |
Some papers reported that a zero-forcing (ZF) adaptive array antenna or multi-user MIMO system at basestations can be r... [more] |
RCS2018-43 pp.49-54 |
| AP | 2018-05-18 14:25 |
Kumamoto | Kumamoto Univ. | Improving Channel Capacity in Indoor 4 x 4 MIMO Base Station Utilizing Small Bi-Directional Antenna Bakar Rohani, Kanata Takahashi, Hiroyuki Arai (Yokohama National Univ.), Yasuko Kimura, Taisuke Ihara (NTT DoCoMo) AP2018-32 |
This paper presents a low profile 4 x 4 MIMO bi-directional antenna consisting of two composite antennas mounted on a gr... [more] | AP2018-32 pp.105-110 |
| AP, RCS (Joint) |
2017-11-09 09:50 |
Fukuoka | Fukuoka University | A Study on Array Beam Pattern of Multi-User MIMO Basestation Using Null-Space Dimension Expansion
-- About Principle of Torelance Improvement against Channel Fluctuation by Orthogonalizing the Past Interference Channels -- Makoto Taromaru, Hironori Ban, Mai Ohta, Daisuke Motegi (Fukuoka Univ.) RCS2017-226 |
Some papers reported that a zero-forcing (ZF) adaptive array antenna or multi-user MIMO system at basestations can be ro... [more] | RCS2017-226 pp.123-127 |
| WBS, MICT | 2017-07-13 16:00 |
Shizuoka | ACT CITY | A Study on MIMO Systems with Antenna Pattern Modulation Technique Masato Saito (Ryukyu Univ.) WBS2017-17 MICT2017-19 |
In this paper, we propose an antenna pattern modulation (APM) to exploit path diversity in Multiple-Input Multiple-Outpu... [more] | WBS2017-17 MICT2017-19 pp.51-56 |
| RCS | 2016-06-23 16:40 |
Okinawa | Univ. of the Ryukyus | [Invited Talk]
Studies on Receive Diversity and MIMO receivers based on the antenna with periodically variable antenna pattern Masato Saito (Ryukyu Univ.) RCS2016-74 |
In this talk, the author presents the studies conducted by the members of the author's laboratory on receive diversity a... [more] | RCS2016-74 p.165 |
| AP, MW (Joint) |
2014-09-19 15:00 |
Tokyo | Tokyo Institute of Technology, Ookayama Campus | Design Method of Dipole Antenna with Metal Reflector for Utilizing Orthogonal Polarization Yoshiki Sugimoto, Toshikazu Hori, Mitoshi Fujimoto (Univ. of Fukui), Yoshio Ebine (Nihon Dengyo Kosaku) AP2014-104 |
An unidirectional pattern can be realized by an antenna with a metal reflector in a simple structure. Therefore, it is w... [more] | AP2014-104 pp.61-64 |
| AP | 2014-05-29 11:10 |
Okinawa | Okinawa Industory Support Center | Evaluation of Reception Properties of ESPAR Antenna with Periodically Variable Directivity Yusuke Idoguchi, Masato Saito (Ryukyu Univ.) AP2014-22 |
In this study, we made prototypes of ESPAR (Electronically Steerable Passive Array Radiator) antennas whose directivity ... [more] | AP2014-22 pp.17-22 |
| AP | 2014-01-23 15:55 |
Kagoshima | Hozan Hall (Kagoshima Prefectural Culture Center) | [Tutorial Lecture]
History of Base Station Antenna Development for Mobile Communication Systems
-- For the First Generation and the Second Generation System -- Yoshio Ebine (DENGYO) AP2013-158 |
The analog mobile communication system (the first generation) was adopted for the circular radio zone configuration. The... [more] | AP2013-158 pp.141-146 |
| AP, MW (Joint) |
2011-03-03 09:55 |
Ibaraki | Ibaraki Univ. | A Novel Feeding Circuit with Switching Function of Cardioid and Figure of Eight Radiation Patterns Daisuke Uchida, Hiroyuki Arai (Yokohama National Univ.), Young Joong Yoon (Yonsei Univ.) AP2010-175 |
In diversity and MIMO applications, pattern reconfigurable techniques are required because the propagation path of a rad... [more] | AP2010-175 pp.7-12 |
| AN, MoNA, USN (Joint) |
2011-01-20 12:00 |
Hiroshima | Hiroshima City University | [Technology Exhibit]
3 Sector Diversity Switching Antenna for Mesh Network Keiji Kitazume, Yukio Takeshita (Tokyo Denpa) MoMuC2010-59 AN2010-50 USN2010-43 |
We designed 3 sector diversity switching antenna for Mesh Network. This antenna has 120°range of radiation pattern for o... [more] | MoMuC2010-59 AN2010-50 USN2010-43 pp.7-9(MoMuC), pp.37-39(AN), pp.31-33(USN) |
| AP | 2010-12-17 13:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | A Study on Performance of Pattern Diversity Reception in Outdoor to Indoor Radio Propagation Seiji Higuchi, Tokio Taga (Kwansei Gakuin Univ.) AP2010-127 |
In order to achieve a stable radio communication between a base station and a radio terminals mounted on a standstill ve... [more] | AP2010-127 pp.55-60 |
| AP | 2010-02-18 13:35 |
Tokyo | Toshiba | Design, Trial Manufacturing and Evaluation of the Diversity Antenna achieved by the Muhti-Objective Genetic Algorithm Takanori Yamashita, Yoshihiko Kuwahara (Shizuoka Univ.) AP2009-192 |
This report proposes a design scheme of the ISDB-T diversity antenna for the Notebook-PC and the flat panel TV using of ... [more] | AP2009-192 pp.47-52 |
| USN, AN, MoNA (Joint) |
2010-01-21 12:00 |
Shizuoka | Actcity Hamamatsu | [Technology Exhibit]
3 Sector Diversity Antenna for Mesh Network Keiji Kitazume (Tokyo Denpa) MoMuC2009-54 AN2009-50 USN2009-50 |
We designed 3 sector diversity antenna for Mesh Network. As a sector antenna, to narrow a range of beam, a reflector is ... [more] | MoMuC2009-54 AN2009-50 USN2009-50 pp.19-21(MoMuC), pp.35-37(AN), pp.19-21(USN) |
| NS, RCS (Joint) |
2009-07-17 18:20 |
Hokkaido | Hokkaido University (Hokkaido) | Antenna Space Diversity and Polarization Mismatch in Wideband 60GHz- Millimeter-wave Wireless Yi Jiang (BUPT/NICT), Jing Gao, Keren Li, Hiroshi Harada (NICT) RCS2009-77 |
This paper presents a study on the fading behavior in wideband 60GHz-Millimeter-wave (MMW) wireless system. The evaluati... [more] | RCS2009-77 pp.143-148 |
| AP, SAT (Joint) |
2009-07-09 13:50 |
Hokkaido | Otaru city, Hokkaido | Design of On-glass Antennas for FM Diversity Systems Seungbeom Ahn, Youngchul Kay (Hongik Univ.), Junghoon Oh (Hyundai Kia Motos), Ikmo Park (Ajou Univ.), Hosung Choo (Hongik Univ.) AP2009-66 |
The monopole type antennas such as the conventional /4 monopole, tuned monopole, roof-mounted micro-antenna and ... [more] | AP2009-66 pp.127-130 |
| AP | 2009-01-23 15:15 |
Fukuoka | Fukuoka University | A study on multi-antenna measurement system aimed at evaluation of angular dependency for transmission performance Yoshiki Okano, Daisuke Kurita, Shin Nakamatsu, Takashi Okada (docomo) AP2008-186 |
It is noted that OTA (Over-The-Air) performance of mobile terminals employing multi-antennas for a diversity and MIMO mu... [more] | AP2008-186 pp.209-214 |
| AP | 2008-12-11 13:40 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Transmitting and receiving characteristics of an array antenna with a matched load and its application for MIMO systems Kenichi Kagoshima, Shigeki Obote, Atsuhiro Kagaya (Ibaraki Univ.) AP2008-142 |
It is effective to employ matching circuits for array antennas with strong mutual coupling in MIMO or diversity applicat... [more] | AP2008-142 pp.13-18 |
| AP | 2008-01-25 17:00 |
Okinawa | Tyeruru.(Naha) | Design of a Multi/Wideband Diversity Antennas for Mobile Application Jaehoon Choi, Seokjin Hong (Hanyang Univ.) AP2007-161 |
Compact multi/wideband antennas for mobile application are proposed. a wideband antenna has two Y-shaped radiators and t... [more] | AP2007-161 pp.225-229 |
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