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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 19 of 19  /   
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
PN, EMT, OPE, EST, MWP, LQE, IEE-EMT [detail] 2019-01-18
11:15
Osaka Osaka University Nakanoshima Center Proposal of Intermodulation Distortion Suppression Method for Wideband Signal Transmission Using Pre-Distortion in RoF
Hiroaki Yoshikawa (NAIST), Yuya Kaneko (NIT, Numazu College), Takeshi Higashino, Minoru Okada (NAIST) PN2018-58 EMT2018-92 OPE2018-167 LQE2018-177 EST2018-105 MWP2018-76
Radio base station of the LTE adopts a C-RAN (Centralized-Radio Access Network) configuration. Plural signal processing ... [more] PN2018-58 EMT2018-92 OPE2018-167 LQE2018-177 EST2018-105 MWP2018-76
pp.155-160
AP, MW
(Joint)
2018-09-21
10:20
Tokyo Tokyo Tech A study of statistical property of intermodulation distortion components generating by power amplifier
Yasunori Suzuki, Hiroshi OKazaki (NTT DOCOMO) MW2018-64
This paper presents a statistical property of intermodulation distortion components generating by power amplifier when i... [more] MW2018-64
pp.29-34
MWP 2018-05-18
16:10
Tokyo Kikai-Shinko-Kaikan Bldg. Evaluation of simple suppression method of intermodulation distortion in optical fiber radio transmission
Hiroaki Yoshikawa, Sho Yoshida, Yuya Kaneko, Higashino Takeshi, Minoru Okada (NAIST) MWP2018-4
At present, studies on countermeasures against radio wave shielding in the 3.5 GHz band LTE system are underway, but bas... [more] MWP2018-4
pp.19-22
MWP 2014-04-17
09:30
Hokkaido Sapporo Convention Center Behavior of the third-order Intermodulation distortion of Mach-Zehnder Electro-Optic Modulator on its operation conditions
Tatsuya Hayakawa, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo), Tetsuya Kawanishi (NICT) MWP2014-1
Electro-optical modulator is capable of high speed and high quality modulation. Some distortion is induced, because of n... [more] MWP2014-1
pp.1-5
MW 2010-09-09
13:55
Tokyo Tokyo Inst. of Tech. Proposal of distortion reduction method for the GaN HEMT Doherty Power Amplifier with a Series Connected Load
Satoshi Kawai, Yoichiro Takayama, Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2010-67
Recently, much attention has been given to Doherty amplifiers as microwave power amplifiers that have the possibility of... [more] MW2010-67
pp.7-12
EA, US
(Joint)
2010-01-25
15:00
Osaka   Out-of-phase excitation for parametric loudspeaker -- Effect of arrangment of ultrasonic projectors on parametric fields --
Akira Kikuchi, Yoshu Maekawa, Yoshiyuki Hara, Tomoo Kamakura, Hideyuki Nomura, Shinichi Sakai (Univ. of Electro-Comm.) US2009-95 EA2009-103
A parametric loudspeaker is practically promising because its directivity is
much sharper than that of a conventional l... [more]
US2009-95 EA2009-103
pp.43-46(US), pp.25-28(EA)
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
ITS, IPSJ-ITS, IEE-ITS [detail] 2009-09-09
14:15
Tokyo   A Study on Interference Reduction Techniques for Adjacent Systems using OFDM Systems
Atsushi Suyama, Takuya Kojiya, Toshiya Iwasaki, Atsushi Shimizu (Sanyo) ITS2009-14
The ITS communication system which will be available in 2012 exists in 700MHz band between the digital television broadc... [more] ITS2009-14
pp.17-22
MW 2009-06-30
15:25
Aichi Nagoya Institute of Technology Compensation Method of Intermodulation Distortion by Thermal Memory Effect for Microwave Power Amplifiers
Junichi Kimura, Ryo Ishikawa, Yukio Takahashi, Kazuhiko Honjo (The Univ. of Electro-Comm.) MW2009-27
A compensation method for 3rd order Intermodulation Distortion (IMD3) caused by a thermal memory effect in microwave pow... [more] MW2009-27
pp.45-50
EMCJ, ITE-BCT 2009-03-13
14:40
Tokyo Kikai-Shinko-Kaikan Bldg. Solid State Power Amplifier with GaN FET for Ku-band
Ryo Mochizuki, Tatsuya Fukushima, Hiroaki Iwabuchi, Yoshio Yamada, Takao Kato (Toshiba Corp.) EMCJ2008-121
In this paper, we present a solid state power amplifier (SSPA) for Ku-band applications. This is the first report of SSP... [more] EMCJ2008-121
pp.43-48
MW, ED 2009-01-16
11:20
Tokyo Kikai-Shinko-Kaikan Bldg A High Efficiency Class-F GaN HEMT Power Amplifier with a Diode Predistortion Linearizer
Akihiro Ando, Yoichiro Takayama, Tsuyoshi Yoshida, Ryo Ishikawa, Kazuhiko Honjo (The Univ of Electro-Communications) ED2008-222 MW2008-187
This paper describes a high-efficiency Class-F GaN HEMT power amplifier linearized by a diode predistorter. The series d... [more] ED2008-222 MW2008-187
pp.135-139
SAT, WBS
(Joint)
2008-05-27
13:25
Chiba Nihon Univ. (Tsudanuma) A Study on Spurious Domain Emission from Multi-carrier Operated Transmitter
Masayoshi Tanaka (Nihon Univ,), Hiroshi Sakamoto (NTT-AT), Mituo Kobayashi, Yukiharu Kitayama (NTT Com) SAT2008-2
This paper presents experimental and analytical studies of spurious emissions that a multi-carrier transmitter produces ... [more] SAT2008-2
pp.7-12
SCE, MW 2008-04-22
11:30
Tokyo Kikai-Shinko-Kaikan Bldg. Power Handling Characteristics of a HTS Dual-mode Ring Resonator Filter
Masatoshi Ishii, Akihiko Akasegawa, Teru Nakanishi, Kazunori Yamanaka (Fujitsu Ltd.) SCE2008-8 MW2008-8
For mobile communication systems, a transmitting band pass filter with high cutoff performance will be required. A ring ... [more] SCE2008-8 MW2008-8
pp.43-46
MW, SCE 2007-04-27
11:15
Tokyo Kikai-Shinko-Kaikan Bldg. Wide dynamic range nonlinear distortion measurement of High-Temperature Superconducting microwave devices
Masato Furuno, Shunichi Futatsumori, Hiroshi Matsubara, Takashi Hikage, Toshio Nojima (Hokkaido Univ.), Akihiko Akasegawa, Teru Nakanishi, Kazunori Yamanaka (Fujitsu Ltd.) SCE2007-6 MW2007-6
Measurement and analytical methods for nonlinear characteristics of HTS microwave devices are investigated. Firstly, com... [more] SCE2007-6 MW2007-6
pp.27-30
MW, SCE 2007-04-27
14:30
Tokyo Kikai-Shinko-Kaikan Bldg. Examination of a Superconducting Disk Resonator with a Ground-slot for a dual-mode
Akihiko Akasegawa, Teru Nakanishi, Kazunori Yamanaka, Masatoshi Ishii (Fujitsu) SCE2007-8 MW2007-8
This reports a feasibility of a novel perturbation by ground-slot for superconducting filters with the both high-power h... [more] SCE2007-8 MW2007-8
pp.37-41
MW, SCE 2007-04-27
16:25
Tokyo Kikai-Shinko-Kaikan Bldg. [Invited Talk] Supercondcuting filters for application to wireless-communication base-stations
Kazunori Yamanaka, Kazuaki Kurihara (Fujitsu Ltd.) SCE2007-11 MW2007-11
For application of RF superconducting filters to wireless-communication base-stations, we will introduce a part of our d... [more] SCE2007-11 MW2007-11
pp.55-60
MW 2005-12-16
14:25
Hiroshima   -
Kazushi Watanabe, Kazuyuki Yamaguchi, Yoichiro Takayama, Takayuki Fujita, Kazusuke Maenaka (Univ. of Hyogo)
The third order intermodulation distortion of microwave Si MOSFET power amplifiers is improved by forming an intrinsic d... [more] MW2005-138
pp.61-66
OCS, OFT, IEE-CMN 2004-11-25
15:35
Oita Yufuin Seminer House of Nippon Bunri Universi A Study of Multi-channel Wireless LAN Distributed Antenna System Based on Radio-over-Fiber Techniques
Mariko Nakaso, Tsutomu Niiho, Koichi Masuda, Hiroyuki Sasai, Kuniaki Utsumi, Masaru Fuse (Matsushita Electric Industrial Co., Ltd.)
We have proposed a multi-channel wireless LAN distributed antenna system using Radio-over-Fiber (RoF) techniques. We dis... [more] OCS2004-121 OFT2004-64
pp.61-66
 Results 1 - 19 of 19  /   
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