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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 185  /  [Next]  
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
ED, MW 2024-01-25
16:20
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
A GaN Power Amplifier Module for 5G Massive MIMO Base-station Applications
Satoru Honda, Akio Matsushita, Eri Teranishi, katsuya Kato, Shuichi Sakata, kazuya Yamamoto, Tetsuo Kunii (Mitsubishi Electric) ED2023-70 MW2023-162
This report describes a 16W-class GaN power amplifier module prototyped for 5G Massive-MIMO base-station applications. T... [more] ED2023-70 MW2023-162
pp.19-22
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
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
WPT 2023-03-16
11:50
Kyoto Kyoto-Univ. (Uji campus)
(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, 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 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 2022-12-16
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
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
13:25
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 2022-11-15
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
11:35
Ehime The Museum of Art, EHIME
(Primary: On-site, Secondary: Online)
Examination of Wideband Measurement of Dual-input GaN Amplifier Using Vector Transceiver
Takato Suzuki, Yahiro Nanba, Takana Kaho (Shonan Inst. Tech.), Shuichi Sakata, Yuji Komatsuzaki, Koji Yamanaka (MELCO) MW2022-75
We are researching a wideband dual-input one-output GaN amplifier for base stations that covers 4G / 5G frequencies. It ... [more] MW2022-75
pp.36-41
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
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