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Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 332  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
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)
(To be available after the conference date) [more]
MW 2022-12-15
14:35
Mie Jingu-Kaikan(Ise)
(Primary: On-site, Secondary: Online)
a study of sub-THz band transmitter configuration toward 6G mobile communication system
Yasunori Suzuki, Hiroshi Okazaki, Satoshi Suyama (DOCOMO)
(To be available after the conference date) [more]
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.)
(To be available after the conference date) [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
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
EMCJ 2022-04-15
13:55
Okinawa  
(Primary: On-site, Secondary: Online)
High Power Transmission System Using Crane Wire Rope
Tatsuya Yoshii, Shinji Tsuzuki, Masashi Sugimoto (Ehime Univ.), Yuki Okanami (Mitsubishi Electr.) EMCJ2022-3
The authors have studied a crane wire system to transmit about 100 W of power and communication signals from the boom of... [more] EMCJ2022-3
pp.13-18
MW, WPT 2022-04-15
15:40
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
[Invited Talk] A High Efficiency 3.6-4.0 GHz Envelope-Tracking Power Amplifier Using GaN Soft-Switching Buck-Converter
Yuji Komatsuzaki (Mitsubishi Electric), Sandro Lanfranco, Tapio Kolmonen, Olli Piirainen, Jarno K. Tanskanen (Nokia Bell Labs), Shuichi Sakata (Mitsubishi Electric), Rui Ma (MERL), Shintaro Shinjo, Koji Yamanaka (Mitsubishi Electric), Peter Asbeck (UCSD) WPT2022-11 MW2022-11
We report a high efficiency sub-6GHz wideband Envelope-Tracking Power Amplifier (ET-PA) including an envelope amplifier ... [more] WPT2022-11 MW2022-11
pp.40-45
MW, WPT 2022-04-15
16:05
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
[Invited Talk] Basic Study on Dynamic Output Matching Circuit for Microwave Power Amplifier
Toshio Ishizaki (Ryukoku Univ.) WPT2022-12 MW2022-12
When using a power amplifier for microwave heating, the output power and efficiency decrease due to load impedance fluct... [more] WPT2022-12 MW2022-12
pp.46-51
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
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
OPE, OFT, OCS
(Joint) [detail]
2022-02-25
14:20
Online Online Optical amplification for radio-over-fiber transmission with optical power supply
Hirotaka Ono, Taiju Umehara (Shonan Inst. Tech.), Makoto Yamada (Osaka Pref. Univ.) OCS2021-52 OPE2021-67
Power over fiber (PoF) has been investigated for stable power supply in a radio on fiber (RoF) wireless service network ... [more] OCS2021-52 OPE2021-67
pp.57-60(OCS), pp.95-98(OPE)
AP 2022-02-18
09:25
Online Online A Consideration of H-shaped-slot Patch Antenna with 3rd Harmonic Termination using Characteristic Mode Analysis
Syunya Ban, Hayata Hirose (Nagoya Inst. of Tech.), Shinji Hara (Nagoya Univ.), Hiroshi Hirayama (Nagoya Inst. of Tech.) AP2021-167
In this paper, an H-shape slot patch antenna designed at 5.8 GHz with F-class load impedance for microwave power transfe... [more] AP2021-167
pp.50-54
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
 Results 1 - 20 of 332  /  [Next]  
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