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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP, SANE, SAT (Joint) |
2023-07-13 09:30 |
Hokkaido | The Citizen Activity Center (Primary: On-site, Secondary: Online) |
Design of Linear Array Antenna with Loss Less Beam Forming Network for Designed Excitation Coefficient Toru Fukasawa, Yoshio Inasawa (Mitsubishi Electric Co.)  AP2023-41 |
Each antenna element in an array antenna should be excited by designed ratios to obtain desired antenna pattern. Each an... [more] | AP2023-41 pp.54-58 |
| RCS | 2023-06-14 09:40 |
Hokkaido | Hokkaido University, and online (Primary: On-site, Secondary: Online) |
Study on Characteristic Improvement of Direct-Binary Search Leveraged Loose Beam Forming in Massive MIMO Systems Yuta Hayashi, Toshihiko Nishimura, Takanori Sato, Yasutaka Ogawa, Takeo Ohgane (Hokkaido Univ.) RCS2023-29 |
In massive MIMO systems, a loose beam forming method is considered to solve the problem of increased computation and ant... [more] | RCS2023-29 pp.7-12 |
| AP | 2022-05-20 13:00 |
Hyogo | Kobe Port Oasis (Primary: On-site, Secondary: Online) |
Loss Less Beam Forming Network for an Array Antenna with Arbitral Excitation Coefficient Toru Fukasawa, Yoshio Inasawa (Mitsubishi Electric Co.) AP2022-26 |
Each antenna element in an array antenna should be excited by designed ratios to obtain desired antenna pattern. Each an... [more] | AP2022-26 pp.85-89 |
| WBS, MICT | 2021-07-30 16:00 |
Online | Online | [Encouragement Talk]
On the Filter Design for Full-Duplex Multiuser Systems Based on Single-Carrier Transmission Kyohei Amano (Mitsubishi Electric), Teruyuki Miyajima, Yoshiki Sugitani (Ibaraki Univ.) WBS2021-33 MICT2021-26 |
In this paper, we consider interference suppression for a full-duplex (FD) multiuser system based on single-carrier tran... [more] | WBS2021-33 MICT2021-26 p.60 |
| US | 2021-06-18 17:15 |
Online | Online | Attempt to improve visibility in ultrasound-guided biopsy with 1.25D probe Morio Nishigaki (KONICA MINOLTA) US2021-17 |
In today's medical practice, ultrasonic-guided puncture, which is performed while confirming the positional relationship... [more] | US2021-17 pp.50-54 |
| AP | 2021-05-21 11:35 |
Online | Online | Gain Enhancement of a Beam Steering MIMO Antenna By Means of Unequal Power Excitation Circuit Kazuhiro Honda, Hiroya Tanaka, Koichi Ogawa (Toyama Univ.) AP2021-14 |
In theory, the operation of a beam steering MIMO antenna can be verified using an attenuator to set a complex excitation... [more] | AP2021-14 pp.26-31 |
| RCS | 2020-06-25 11:15 |
Online | Online | A Study on Loose Beam Forming Using Differential Evolution Tatsuki Otsuka, Toshihiko Nishimura, Takeo Ohgane, Yasutaka Ogawa, Junichiro Hagiwara, Takanori Sato (Hokkaido Univ.) RCS2020-34 |
In multi-user massive MIMO systems, it is concerned that the computational load to form a weight increases drastically a... [more] | RCS2020-34 pp.67-72 |
| AP (2nd) |
Overseas | Hotel Istana, Kuala Lumpur | Broadside Beam-forming Performance of Two-dimensional Rotman-lens Multi-beam Antenna using Step Radiating Elements on Multi-layer Substrate Integrated Waveguide Shugo Yamauchi, Kento Yamada, Kunio Sakakibara, Nobuyoshi Kikuma (NITech), Kojiro Iwasa, Takeshi Okunaga, Akira Nakatsu (PILLAR) |
A two-dimensional Rotman-lens multi-beam antenna using step radiating elements in multi-layer substrate integrated waveg... [more] | ||
| MW, EST, OPE, MWP, EMT, IEE-EMT, THz [detail] | 2019-07-18 10:50 |
Hokkaido | Hakodate City Central Library | Study on K-band Multi-Beam Forming Circuit by Additive Manufacturing Technology Yu Ushijima, Hidenori Yukawa, Toru Takahashi, Naofumi Yoneda (Mitsubishi) EMT2019-8 MW2019-21 OPE2019-12 EST2019-10 MWP2019-8 |
Recently, satellite manufacturers have been actively trying to apply an antenna and its feeding circuit manufactured usi... [more] | EMT2019-8 MW2019-21 OPE2019-12 EST2019-10 MWP2019-8 pp.11-16 |
| RCS, SIP, IT | 2019-01-31 11:05 |
Osaka | Osaka University | FIR-type Transmit Beamforming for Wide-band Single Carrier MIMO Transmission Keita Kuriyama, Hayato Fukuzono, Masafumi Yoshioka, Tsutomu Tatsuta (NTT) IT2018-40 SIP2018-70 RCS2018-247 |
Wide-band single carrier MIMO transmission performance suffers from inter-symbol interference and inter-stream interfere... [more] | IT2018-40 SIP2018-70 RCS2018-247 pp.31-36 |
| MW | 2017-11-10 10:00 |
Okinawa | Miyakojima Marin Terminal Bldg. | Compact Multi Beam Forming Network with Three Way Power Divider Yu Ushijima, Hidenori Yukawa, Takeshi Yuasa, Naofumi Yoneda (Mitsubishi Electric) MW2017-129 |
Demands on high throughput communication for airplanes and ships by high throughput satellite using Ka-band have been in... [more] | MW2017-129 pp.93-98 |
| MWP, OPE, EMT, MW, EST, IEE-EMT [detail] | 2017-07-21 11:50 |
Hokkaido | Obihiro Chamber of Commerce and Industry | A Wideband Beam Forming Network with Two Types of Phase-Shifters for Multi Beam Antenna Hidenori Yukawa, Yu Ushijima, Takeshi Yuasa, Naofumi Yoneda, Moriyasu Miyazaki (Mitsubishi Ele. Corp.) EMT2017-33 MW2017-58 OPE2017-38 EST2017-35 MWP2017-35 |
Demands on high throughput communication for airplanes and ships by high throughput satellite using Ka-band have been in... [more] | EMT2017-33 MW2017-58 OPE2017-38 EST2017-35 MWP2017-35 pp.145-150 |
| NS, RCS (Joint) |
2016-12-22 15:35 |
Ishikawa | Digital Assisted Analog Beamforming (DAABF) on Millimeter Wave Massive Antenna Array
-- Performance Evaluation of DAABF via Computer Simulation -- Kazuki Maruta, Atsuhi Ohta, Yushi Shirato, Satoshi Kurosaki, Ken Tanaka, Masataka Iizuka (NTT) RCS2016-233 |
Toward the 5th Generation Mobile Communications (5G), a lot of wireless communication technologies such as massive MIMO ... [more] | RCS2016-233 pp.141-146 |
|
| AP | 2016-02-19 09:55 |
Fukushima | Iwaki (Spa Resort Hawaiians) | A Study on Element Share Type of Beam Forming Network for Ka-Band Satellite Onboard Multi-Beam Antenna Takashi Tomura, Hidenori Yukawa, Michio Takikawa, Yoshio Inasawa, Hiroaki Miyashita (Mitsubishi Electric Corp.) AP2015-195 |
Demands on high throughput communication for airplanes and ships by high throughput satellite using Ka-band have been in... [more] | AP2015-195 pp.27-30 |
| RCS | 2015-04-17 12:35 |
Oita | Yufuin, Yufugoukan | Continuous Beamforming Space Division Multiple Access and Frequency Domain Backoff Scheme on Massive Antenna Systems for Wireless Entrance Kazuki Maruta, Atsushi Ohta, Yushi Shirato, Satoshi Kurosaki, Takuto Arai, Tatsuhiko Iwakuni, Masataka Iizuka (NTT) RCS2015-16 |
This paper newly proposes Continuous Beamforming Space Division Multiple Access (CB-SDMA) on Massive Antenna Systems for... [more] | RCS2015-16 pp.83-88 |
| RCC, ASN, NS, RCS, SR (Joint) |
2014-07-31 10:50 |
Kyoto | Kyoto Terrsa | [Poster Presentation]
Transmission Performance of Adaptive Sensor Collaborative Beamforming Masahiro Fujita, Shigeru Tomisato, Satoshi Denno, Masaharu Hata (Okayama Univ.) RCC2014-31 NS2014-51 RCS2014-103 SR2014-32 ASN2014-50 |
This paper evaluates transmission performance and power-saving effect of sensor collaborative beamforming by adaptive tr... [more] | RCC2014-31 NS2014-51 RCS2014-103 SR2014-32 ASN2014-50 pp.49-54(RCC), pp.27-32(NS), pp.81-86(RCS), pp.69-74(SR), pp.57-62(ASN) |
| RCS, AP (Joint) |
2013-11-22 10:10 |
Shimane | Matsue Terrsa | Multiple APs Simultaneous Transmission Technology with Implicit Feedback Beamforming Tomoki Murakami, Hayato Fukuzono, Yasushi Takatori, Masato Mizoguchi (NTT) AP2013-118 |
We proposed a multiple access points (APs) simultaneous transmission technique which APs transmit to their own station (... [more] | AP2013-118 pp.105-110 |
| SRW | 2013-08-19 14:40 |
Tokyo | Shibaura Institute of Technology | Transmission performance improvement of sensor collaborative beam forming by adaptive transmission Takuya Beppu, Masahiro Fujita, Shigeru Tomisato, Satoshi Denno, Masaharu Hata (Okayama Univ.) SRW2013-26 |
This paper proposes a sensor collaborative beam forming method by adaptive transmission in which beam forming and collab... [more] | SRW2013-26 pp.33-36 |
| SIP, CAS, CS | 2013-03-15 14:20 |
Yamagata | Keio Univ. Tsuruoka Campus (Yamagata) | An Evaluation of MIMO Radar Beamforming based on Signal Cross-Correlation Katsuhiro Minoru, Daisuke Umehara, Koichiro Wakasugi (Kyoto Inst. of Tech.) CAS2012-127 SIP2012-158 CS2012-133 |
The use of multiple antenna elements plays a key role for the phased-array radar as well as MIMO(Multiple-Input Multiple... [more] | CAS2012-127 SIP2012-158 CS2012-133 pp.181-186 |
| SAT | 2011-12-13 13:30 |
Aichi | Nagoya University | Development of Optically Controlled Beam-Forming Network Akira Akaishi, Takashi Takahashi, Yoshiyuki Fujino, Mitsugu Ohkawa, Toshio Asai, Ryutaro Suzuki (NICT), Hirofumi Matsuzawa (Mitsubishi Electric) SAT2011-59 |
NICT has been developing a test model of an optically controlled beam-forming network(OBFN) for a future multiple-beam a... [more] | SAT2011-59 pp.119-124 |
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