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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| PN | 2024-03-15 10:10 |
Kagoshima | (Primary: On-site, Secondary: Online) |
Optically powered antenna unit with remotely optical amplification using a multi core fiber Mizuki Fukuyama, Motoharu Matsuura (UEC), Hidenori Takahashi, Noboru Yashikane, Takehiro Tsuritani (KDDI Research, Inc.)  PN2023-79 |
We experimentally demonstrate a simultaneous transmission of data signal, feed light and pump light using a multi-core f... [more] | PN2023-79 pp.53-57 |
| MW | 2024-03-01 14:05 |
Okayama | Okayama Prefectural University (Primary: On-site, Secondary: Online) |
[Special Talk]
An Analytical Design Method of Wideband Combiner for Handset Doherty Power Amplifier Shohei Imai, Hiroshi Okabe (Murata) MW2023-194 |
The development of handset Doherty power amplifier (DPA) is currently focused on achieving high data rates and low power... [more] | MW2023-194 pp.99-103 |
| MW, EMCJ, EST, IEE-EMC [detail] | 2023-10-20 09:40 |
Yamagata | Yamagata University (Primary: On-site, Secondary: Online) |
Evaluation of DPD Compensation and Modulation Bandwidth Dependence of GaN Doherty Amplifier Using 5G NR TDD Signals Ayano Yano, Takana Kaho (Shonan Inst. Tech.), Shuichi Sakata, Yuji Komatsuzaki, Koji Yamanaka (Mitsubishi Electric) EMCJ2023-58 MW2023-112 EST2023-85 |
We are researching broadband GaN amplifiers for base stations covering 4G/5G frequencies. We built a measurement system ... [more] | EMCJ2023-58 MW2023-112 EST2023-85 pp.119-124 |
| EST, MW, EMT, OPE, MWPTHz, IEE-EMT [detail] | 2023-07-20 13:00 |
Hokkaido | Muroran Institute of Technology (Primary: On-site, Secondary: Online) |
An Arbitrary Order IMD Suppression Method for Dual-Input Power Amplifiers by Controlling the Phase Differences of Dual-Band Signals Marie Taguchi, Yuji Komatsuzaki, Kigo Nakatani, Shintaro Shinjo (MELCO) EMT2023-28 MW2023-46 OPE2023-28 EST2023-28 MWPTHz2023-24 |
In recent years, the 5G base station covering dual-band modulated signals are being developed. We propose an arbitrary o... [more] | EMT2023-28 MW2023-46 OPE2023-28 EST2023-28 MWPTHz2023-24 pp.106-110 |
| MW | 2023-06-23 09:30 |
Kanagawa | Yugawara-machi Shou-Kou-Kai Bldg. (Primary: On-site, Secondary: Online) |
[Special Talk]
Fundamentals of GaN HEMT Large-Signal Model for Microwave Amplifier Hiroshi Yamamoto, Ken Kikuchi (Sumitomo Electric) MW2023-25 |
To improve RF performance of microwave amplifiers, systematic circuit design techniques are required to maximize perform... [more] | MW2023-25 pp.29-32 |
| SANE | 2023-05-23 10:10 |
Kanagawa | Information Technology R & D Center, MITSUBISHI Electric Corp. (Primary: On-site, Secondary: Online) |
Broadband High Power, High Efficiency Microwave Amplifiers Enabled by GaN HEMT Eigo Kuwata, Jun Kamioka, Shintaro Shinjo, Koji Yamanaka (MELCO) SANE2023-3 |
Semiconductors are increasingly replacing electron tubes in microwave transmitters used for observation, communication a... [more] | SANE2023-3 pp.12-17 |
| MW, ED | 2023-01-27 11:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
Measurement Evaluation of Bias Dependence of Single-Input Broadband GaN Amplifier Yuki Nakagawa, Takana Kaho (Shonan Inst. Tech.), Shuichi Sakata, Yuji Komatsuzaki, Koji Yamanaka (MELCO) ED2022-89 MW2022-148 |
We are researching a broadband GaN amplifier for 4G/5G base stations covering a 4GHz band from 800MHz to 4.8GHz. We aim ... [more] | ED2022-89 MW2022-148 pp.19-24 |
| MW, ED | 2023-01-27 14:45 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
[Invited Talk]
Circuits and devices technology of GaN power amplifiers for microwave and millimeter-wave application Koji Matsunaga (SIT) ED2022-95 MW2022-154 |
In recent years, High frequency GaN Transistor are used in many kinds of high frequency applications such as base-statio... [more] | ED2022-95 MW2022-154 pp.44-49 |
| MW | 2022-12-15 13:55 |
Mie | Jingu-Kaikan(Ise) (Primary: On-site, Secondary: Online) |
Experimental Study of Unequal LC-Ladder Dividers with Arbitrary Two Matching Frequencies Masatoshi Fukunaga, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo) MW2022-133 |
The Wilkinson power divider of a 3-port network is one of the important circuit elements widely used not only for dividi... [more] | MW2022-133 pp.11-15 |
| MW | 2022-12-16 11:25 |
Mie | Jingu-Kaikan(Ise) (Primary: On-site, Secondary: Online) |
[Invited Talk]
Increasing Efficiency of Power Amplifiers for Microwave Power Transfer by PA- Antenna Co-design Shinji Hara, Noriyuki Tanba (Nagoya Univ.), Hiroshi Hirayama (Nitech) MW2022-144 |
The efficiency is important in power amplifiers. For wireless communication applications which transfer signals, there a... [more] | MW2022-144 p.64 |
| WPT (2nd) |
2022-12-05 - 2022-12-06 |
Kyoto | Uji Obaku Plaza Kihada Hall, Uji Campus, Kyoto University (Primary: On-site, Secondary: Online) |
Hybrid power amplifier for WiCoPT WPT system Ren Furumoto, Daisuke Yasunobu, Kenjiro Nishikawa (Kagoshima Univ.) |
WiCoPT system, which can transfer data and power simultaneously, employs modulated signals. Therefore, a transmitter of ... [more] | |
| MW | 2022-11-15 10:50 |
Nagasaki | Fukue-Bunka-Kaikan (Primary: On-site, Secondary: Online) |
Continuous Class-F/Inverse-Class-F 2-GHz-Band GaN-HEMT Power Amplifiers Using 1-Port CRLH Transmission Lines Eri Tsuji, Soshi Aonuma, Shinichi Tanaka (Shibaura Inst. of Tech.) MW2022-109 |
Highly efficient amplifiers capable of continuously processing harmonics over a wide bandwidth are attracting attention ... [more] | MW2022-109 pp.1-6 |
| MW | 2022-11-15 13:00 |
Nagasaki | Fukue-Bunka-Kaikan (Primary: On-site, Secondary: Online) |
Improvement of Output Back-off Performance on Outphasing Operation by Using 50-Ω Design Power Amplifiers at Quasi-Millimeter-Wave Band Nao Ashizawa, Kazuhiko Honjo, Ryo Ishikawa (UEC) MW2022-111 |
In order to handle digital modulation signals used in beyond 5G systems, RF power amplifiers with a wide-dynamic-range c... [more] | MW2022-111 pp.13-18 |
| MW | 2022-11-15 13:25 |
Nagasaki | Fukue-Bunka-Kaikan (Primary: On-site, Secondary: Online) |
Doherty-Outphasing Hybrid power amplifier for WiCoPT WPT system Ren Furumoto, Daisuke Yasunobu, Kenjiro Nishikawa (Kagoshima Univ.) MW2022-112 |
WiCoPT system, which can transfer data and power simultaneously, employs modulated signals. Therefore, a transmitter of ... [more] | MW2022-112 pp.19-24 |
| MW | 2022-11-16 10:20 |
Nagasaki | Fukue-Bunka-Kaikan (Primary: On-site, Secondary: Online) |
DC-Feedback-Mode Zero-Threshold GaAs HEMT Rectifier/Voltage-Doubler Diode Rectifier for Applying Negative Gate-Bias to Microwave Power Amplifier Taki Nagata, Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2022-123 |
In recent years, there has been much research on RF energy harvesting, which converts small electromagnetic waves in the... [more] | MW2022-123 pp.77-80 |
| AP, MW (Joint) |
2022-09-15 12:00 |
Ehime | The Museum of Art, EHIME (Primary: On-site, Secondary: Online) |
Examination of Characterization Method for Matching Circuit-less Power Amplifiers Noriyuki Tanba (NU), Hiroshi Hirayama (NITech), Shinji Hara (NU) MW2022-76 |
The characterization of the matching circuit-less power amplifier (PA) and the PA in the PA-integrated antenna (PIA), pr... [more] | MW2022-76 pp.42-47 |
| WPT | 2022-03-08 10:00 |
Kyoto | (Primary: On-site, Secondary: Online) |
Phase Conjugate Circuit for Double Frequency Retrodirective Mizuki Kataoka, Bo Yang, Naoki Shinohara, Tomohiko Mitani (Kyoto Univ.) WPT2021-33 |
We propose a novel retrodirective system on microwave power transmission (MPT) for the interference reduction. The retro... [more] | WPT2021-33 pp.58-61 |
| ED, MW | 2022-01-27 15:30 |
Online | Online | [Invited Lecture]
A 28GHz-Band GaN HEMT Doherty Amplifier MMIC Based on Dual-Power-Level Design Technique Ryo Ishikawa, Takuya Seshimo, Yoichiro Takayama, Kazuhiko Honjo (UEC) ED2021-67 MW2021-109 |
In the 5G wireless communication system, a quasi-millimeter wave band such as the 28 GHz band is also used. Doherty powe... [more] | ED2021-67 MW2021-109 pp.28-31 |
| ED, MW | 2022-01-27 16:05 |
Online | Online | [Invited Talk]
Wideband Load Modulated GaN Power Amplifiers for Wireless Base-Stations Shuichi Sakata, Yuji Komatsuzaki, Kento Saiki, Koji Yamanaka, Masaomi Tsuru (Mitsubishi Electric) ED2021-68 MW2021-110 |
Recently, 5G commercial services which have features of high speed, large capacity and multi-connectivity have rolled ou... [more] | ED2021-68 MW2021-110 pp.32-37 |
| MW | 2021-11-18 16:30 |
Kagoshima | Kagoshima University (Primary: On-site, Secondary: Online) |
Design of Dual-Band Semi-Lumped Element Power Divider with Constant Absolute Bandwidth Ayumu Tsuchiya, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo) MW2021-73 |
In recent years, the dramatic evolution of information and communication technology and the expansion of its fields of u... [more] | MW2021-73 pp.35-39 |
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