Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
MW |
2024-11-14 13:55 |
Okinawa |
JA Kume-jima Yuntaku house (Okinawa, Online) (Primary: On-site, Secondary: Online) |
Improvement of Output Back-Off Efficiency by Doherty-Outphasing Mixed Operation for 4.7-GHz-Band GaN HEMT Power Amplifier with Miniature Combiner Yudai Shiraishi, Kazuhiko Honjo, Ryo Ishikawa (UEC) MW2024-130 |
An outphasing power amplifier is one of high-efficiency load-modulation amplifiers for wide-dynamic-range digitally modu... [more] |
MW2024-130 pp.40-45 |
MW |
2024-11-15 11:25 |
Okinawa |
JA Kume-jima Yuntaku house (Okinawa, Online) (Primary: On-site, Secondary: Online) |
Outphasing Power Amplifier with Switching Reactance Compensation Circuit Yuki Takagi, Takashi Hirakawa, Yoshichika Ohta, Naoki Hasegawa (SB) MW2024-137 |
In this paper, we propose a method to switch the reactance compensation circuit in the Chirex combiner, which is a part ... [more] |
MW2024-137 pp.69-74 |
MW, EMT, OPE, MWPTHz, EST, IEE-EMT [detail] |
2024-07-12 10:40 |
Hokkaido |
otaru-shimin-kaikan (Hokkaido, Online) (Primary: On-site, Secondary: Online) |
Two-Power-Level Impedance Match for Asymmetric Outphasing Amplifier Takashi Maehata, Shuichi Nishimura, Takashi Sumiyoshi (SEI) EMT2024-37 MW2024-61 OPE2024-40 EST2024-38 MWPTHz2024-44 |
Outphasing amplifiers (OPAs) have attracted attention as amplifiers that achieve high efficiency from saturated output t... [more] |
EMT2024-37 MW2024-61 OPE2024-40 EST2024-38 MWPTHz2024-44 pp.152-157 |
MW |
2024-03-01 10:15 |
Okayama |
Okayama Prefectural University (Okayama, Online) (Primary: On-site, Secondary: Online) |
28-GHz-Band GaN HEMT Outphasing Amplifier MMIC Designed by Considering Insertion Loss at Dual-Power-Level Optimization Taiki Kobayashi, Kazuhiko Honjo, Ryo Ishikawa (UEC) MW2023-189 |
The development of the fifth generation mobile communications (5G) will use higher frequencies such as millimeter wave b... [more] |
MW2023-189 pp.74-77 |
WPT |
2023-03-16 11:50 |
Kyoto |
Kyoto-Univ. (Uji campus) (Kyoto, Online) (Primary: On-site, Secondary: Online) |
Operating Analysis of Doherty-Outphasing Hybrid Power Amplifier on Saturation Region Daisuke Yasunobu, Ren Furumoto, kenjirou Nishikawa (Kagoshima Univ.) WPT2022-33 |
In WiCoPT systems, which can transmit information and power simultaneously, modulated signals with high PAPR are used. T... [more] |
WPT2022-33 pp.14-18 |
MW |
2022-12-15 15:25 |
Mie |
Jingu-Kaikan(Ise) (Mie, Online) (Primary: On-site, Secondary: Online) |
Two-Power-Level Impedance Match for Out-phasing Amplifier Takashi Maehata, Takashi Sumiyoshi (SEI), Ren Furumoto, Kenjiro Nishikawa (Kagoshima University) MW2022-136 |
The outphasing amplifier (OPA) has been attracting attention as an amplifier that achieves high efficiency from saturate... [more] |
MW2022-136 pp.27-32 |
WPT (2nd) |
2022-12-05 - 2022-12-06 |
Kyoto |
Uji Obaku Plaza Kihada Hall, Uji Campus, Kyoto University (Kyoto, Online) (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 13:00 |
Nagasaki |
Fukue-Bunka-Kaikan (Nagasaki, Online) (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 (Nagasaki, Online) (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 |
2020-12-10 13:15 |
Kanagawa |
(Kanagawa, Online) (Primary: On-site, Secondary: Online) |
A 3.9-GHz-Band GaN HEMT Outphasing Power Amplifier with Reactance-Compensation Compact Combiner Ryoichi Ogasawara, Yoichiro Takayama, Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2020-71 |
Recently, the need for large-capacity communications has increased in wireless communication systems due to the increase... [more] |
MW2020-71 pp.1-6 |
ICD, CPSY, CAS |
2018-12-23 09:30 |
Okinawa |
(Okinawa) |
[Poster Presentation]
FPGA Implementation of Digital Transmitters with RF Pulse-width Modulation Kazuto Yoshida, Takao Kihara, Tsutomu Yoshimura (OIT) CAS2018-105 ICD2018-89 CPSY2018-71 |
Common RF transmitters consist of high-cost analog circuits and linear power amplifiers (PA) consuming much power. We ca... [more] |
CAS2018-105 ICD2018-89 CPSY2018-71 pp.105-106 |