Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
MW |
2024-03-01 09:25 |
Okayama |
Okayama Prefectural University (Primary: On-site, Secondary: Online) |
A 100GHz-band GaN Transmitter Module with Triple-Multiplier for Beyond 5G Using Terahertz Band Yoshifumi Kawamura, Shimpei Yamashita, Keigo Nakatani, Koji Yamanaka, Yoshitaka Kamo, Kenichi Horiguchi, Tetsuo Kunii, Hirotaka Amasuga (Mitsubishi Electric) MW2023-187 |
The goal of Beyond 5G (B5G) is to achieve ultra-high-speed, large-capacity communications 10 times faster than 5G. In or... [more] |
MW2023-187 pp.66-69 |
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 |
AP, WPT (Joint) |
2024-01-17 14:25 |
Niigata |
Tokimate, Niigata University (Primary: On-site, Secondary: Online) |
2.45 GHz High-Efficiency Power Amplifier for Integration and Cooperation of Telecommunication and Wireless Power Transfer Yuki Takagi, Yuta Nakamoto, Takashi Hirakawa, Yoshichika Ohta, Naoki Hasegawa (SB) WPT2023-30 |
In this paper, we present a transmitter configuration of wireless devices that is optimized for both information transmi... [more] |
WPT2023-30 pp.1-5 |
MW |
2023-11-16 11:15 |
Okinawa |
Nago City Industrial Support Center (Okinawa) (Primary: On-site, Secondary: Online) |
Dual-Band Asymmetric Doherty Amplifier with T-shaped Stubs Yuki Takagi, Yoshichika Ohta (SB) MW2023-127 |
In this paper, we propose a design method for a dual-band asymmetric Doherty amplifier at 1.8 GHz(Band3)/2.1 GHz (Band1)... [more] |
MW2023-127 pp.7-12 |
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 14:35 |
Mie |
Jingu-Kaikan(Ise) (Primary: On-site, Secondary: Online) |
A Study of Sub-THz Band Transmitter Configuration for 6G Mobile Communication System Yasunori Suzuki, Hiroshi Okazaki, Satoshi Suyama (NTT DOCOMO) MW2022-134 |
This paper presents a sub-THz band transmitter configuration for six-generation mobile communication system. First, we i... [more] |
MW2022-134 pp.16-21 |
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 11:15 |
Nagasaki |
Fukue-Bunka-Kaikan (Primary: On-site, Secondary: Online) |
Bandwidth Improvement of Power Amplifier Using Dispersion Engineering of 1-Port CRLH Transmission Line Ryota Mogami, Eri Tsuji, Shinichi Tanaka (Shibaura Inst. of Tech.) MW2022-110 |
In our previous paper, we reported a power amplifier using a 1-port CRLH transmission line (TL) as a harmonic tuning cir... [more] |
MW2022-110 pp.7-12 |
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 13:50 |
Nagasaki |
Fukue-Bunka-Kaikan (Primary: On-site, Secondary: Online) |
Study on Power Consumption and Power Reduction of RF Power Amplifier in 5G Downlink System Yuki Takagi, Yoshichika Ohta (SB) MW2022-113 |
This paper proposes the estimation of power consumption of RF power amplifier in downlink (from base station to UE) comm... [more] |
MW2022-113 pp.25-30 |
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 |
SAT, RCS (Joint) |
2022-08-26 10:15 |
Hokkaido |
(Primary: On-site, Secondary: Online) |
Constant Amplitude Modulation for NOMA-OFDM Wireless Communications Wang Zihan, Yuyuan Chang, Kazuhiko Fukawa (Tokyo Tech) RCS2022-115 |
In wireless communications, non-orthogonal multiple access (NOMA), which combines and transmit multiple user signals, ca... [more] |
RCS2022-115 pp.102-107 |
MW |
2022-03-03 14:45 |
Online |
Online |
Frequency Characteristics on Vector Regulator Adjustment of Power Amplifier for Massive MIMO Base Stations Kazuya Miyamoto, Shoichi Narahashi (Setsunan Univ.), Yasunori Suzuki, Hiroshi Okazaki (NTT DOCOMO) MW2021-123 |
This paper presents Frequency Characteristics on Vector Regulator Adjustment of 3.5-GHz Band Power Amplifier. Experiment... [more] |
MW2021-123 pp.69-72 |
MW |
2022-03-04 09:20 |
Online |
Online |
A study of diode linearizer for 100 GHz amplifier toward 6G Sumire Aoki, Hiroshi Hamada, Hiroto Yamamoto, Atsushi Fukuda (NTT DOCOMO), Jyo Teruo, Hiroyuki Takahashi (NTT), Hiroshi Okazaki, Yasunori Suzuki (NTT DOCOMO) MW2021-129 |
Sub-THz band (frequency range above 100 GHz) are gathering attention to implement 6G high-speed wireless communications.... [more] |
MW2021-129 pp.100-104 |
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 |
MSS, CAS, IPSJ-AL [detail] |
2021-11-18 11:45 |
Online |
Online |
Distortion Analysis of RF Power Amplifier Using Probability Density of Input Signal and AM-AM Characteristics Satoshi Tanaka (Murata Manufacturing) CAS2021-43 MSS2021-23 |
When confirming the ACLR (adjacent channel leakage power ratio), which are representative indicators of distortion in th... [more] |
CAS2021-43 MSS2021-23 pp.34-39 |
CAS, NLP |
2021-10-14 11:15 |
Online |
Online |
AM-AM Behavior Model that Reproduces the Gain Increase Phenomenon of RF Power Amplifier Satoshi Tanaka (Murata) CAS2021-20 NLP2021-18 |
In 5G (5th Generation) mobile phone, QAM (quadrature amplitude modulation) which has high PAPR (peak to average power ra... [more] |
CAS2021-20 NLP2021-18 pp.17-22 |
SIP, CAS, VLD, MSS |
2021-07-06 13:55 |
Online |
Online |
A Study on AM-AM/PM Characteristics and Distortion of Power Amplifiers for Mobile Phone Terminals Satoshi Tanaka (Murata Manufacturing) CAS2021-16 VLD2021-16 SIP2021-26 MSS2021-16 |
In 5G (5th Generation) mobile phone, QAM (quadrature amplitude modulation) which has high PAPR (peak to average power ra... [more] |
CAS2021-16 VLD2021-16 SIP2021-26 MSS2021-16 pp.81-86 |
CAS, CS |
2021-03-02 10:50 |
Online |
Online |
A Study on the bandwidth of the matching circuit using transformer Satoshi Tanaka (Murata Manufacturing) CAS2020-79 CS2020-86 |
With the spread of the fifth generation mobile phone, the increase of the output power of power amplifier (PA) has becom... [more] |
CAS2020-79 CS2020-86 pp.41-46 |