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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| 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 | 2020-11-19 13:05 |
Online | Online | Harmonic tuning circuit using 1-port CRLH transmission line and its application to power amplifiers Naoaki Iisaka, Shinichi Tanaka (SIT) MW2020-65 |
With the spread of next-generation mobile communication systems, high efficiency and miniaturization of base station amp... [more] | MW2020-65 pp.1-5 |
| MW | 2019-11-14 17:05 |
Okinawa | Minami Daido Villa. Tamokuteki Koryu Center | Multifunctional CRLH Transmission Line Stubs for Compact Class-E/Inverse-Class-E Power Amplifiers Hirotaka Asami, Shinichi Tanaka (Shibaura Inst. of Tech.) MW2019-109 |
This report presents CRLH transmission line (TL) stubs for realizing compact high-efficiency class-E / inverse class-E p... [more] | MW2019-109 pp.53-58 |
| EMT, MW, OPE, MWP, EST, IEE-EMT [detail] | 2015-07-17 13:00 |
Hokkaido | Kushiro City Lifelong Learning Center | A Simple DPD for Nonlinear Compensation of Beamforming Transmitter Toshiki Hamanaka (Tokyo Univ.), Yasushi Yamao, Yuelin Ma (UEC), Koki Tanji, Eiichiro Otobe (Samsung R&D Japan) EMT2015-46 MW2015-84 OPE2015-58 EST2015-50 MWP2015-49 |
OFDM is widely used for broadband and high-capacity mobile communications. However, it has high PAPR due to its multicar... [more] | EMT2015-46 MW2015-84 OPE2015-58 EST2015-50 MWP2015-49 pp.221-226 |
| MW, ICD | 2015-03-05 15:50 |
Fukui | University of Fukui | [Special Talk]
Power Amplifier Linearization Using Digital Predistortion Technology: Practical Development and Implementation Issues Yuelin Ma, Yasushi Yamao (UEC) MW2014-213 ICD2014-126 |
On firm ground for highly-developed nonlinear modeling theories, the Digital predistortion (DPD) is a practice of compen... [more] | MW2014-213 ICD2014-126 pp.61-66 |
| MW, ED | 2015-01-16 13:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Digital Doherty Transmitter with Envelope ΔΣ Modulated Class-D GaN Amplifier for 800 MHz band Keiichi Motoi (NEC), Andreas Wentzel (FBH), Masaaki Tanio, Shinichi Hori, Makoto Hayakawa (NEC), Wolfgang Heinrich (FBH), Kazuaki Kunihiro (NEC) ED2014-131 MW2014-195 |
This paper presents a novel transmitter (Tx) architecture combining voltage-mode class-D power amplifiers (PAs) with an ... [more] | ED2014-131 MW2014-195 pp.83-88 |
| MW | 2014-11-21 10:55 |
Nagasaki | Nagasaki Univ. | Quadrature-modulation Transmitter with Tri-level Delta-sigma Modulation for Generating Bi-level EPWM Signal Takashi Noda, Wataru Someya, Yoshiharu Iikura, Yohtaro Umeda, Yusuke Kozawa (Tokyo Univ. of Science) MW2014-139 |
This paper presents a quadrature-modulation (QM) envelope-pulse-width-modulation (EPWM) transmitter with delta-sigma tri... [more] | MW2014-139 pp.83-88 |
| MW | 2009-09-25 17:15 |
Tokyo | Univ. of Electro-Communications | [Special Talk]
Anlysis and Design of a Dynamic Predistorter for WCDMA Handsets Power Amplifier Shingo Yamanouchi, Yuuichi Aoki, Kazuaki Kunihiro (NEC), Tomohisa Hirayama (NEC Electronics Corp.), Takashi Miyazaki (NEC), Hikaru Hida (NEC Electronics Corp.) MW2009-90 |
This paper presents a dynamic predistorter (PD), which linearizes dynamic AM-AM and AM-PM of a wide-band CDMA (WCDMA) ha... [more] | MW2009-90 pp.93-98 |
| MW, EMCJ | 2008-10-23 16:45 |
Yamagata | Yamagata Univ. | Millimeter-Wave Power Amplifiers in 90nm CMOS Toshihide Suzuki, Yoichi Kawano, Masaru Sato, Tatsuya Hirose, Naoki Hara, Kazukiyo Joshin (FJ Lab.) EMCJ2008-67 MW2008-111 |
This paper introduces millimeter-wave band power amplifiers (PAs) using standard 90nm CMOS technology. By developing an ... [more] | EMCJ2008-67 MW2008-111 pp.47-51 |
| ED, MW | 2008-01-17 13:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Fully Integrated HBT MMIC Power Amplifier Modules for Use in 2.5/3.5-GHz-Band WiMAX Applications Miyo Miyashita, Toshio Okuda, Hitoshi Kurusu (MELCO), Shoichi Shimamura, Shinsuke Konishi (WTI), Junichi Udomoto, Ryo Matsushita, Yoshinobu Sasaki, Satoshi Suzuki, Takeshi Miura (MELCO), Yoshio Takahara (RSE), Makio Komaru, Kazuya Yamamoto (MELCO) ED2007-220 MW2007-151 |
This paper describes two GaAs HBT MMIC power amplifier modules (PAs) for 2.5-GHz- and 3.5-GHz-band WiMAX applications. E... [more] | ED2007-220 MW2007-151 pp.77-82 |
| RCS, MoNA, WBS, SR, MW (Joint) |
2007-03-09 13:00 |
Kanagawa | YRP | [Invited Talk]
Circuit design of highly linear and efficient power amplifiers for WCDMA applications
-- Dynamic predistortion and polar modulation technologies -- Kazuaki Kunihiro, Shingo Yamanouchi, Kiyohiko Takahashi, Yuuichi Aoki (NEC) |
This paper presents linearization and efficiency-enhancement techniques, i.e., dynamic predistortion (PD) and polar modu... [more] | MW2006-193 pp.1-6 |
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