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 |