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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 16 of 16  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
WPT, MW 2023-04-13
14:45
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
Design and Evaluation of Small 4-way Power Combiner using One Waveguide
Yuta Sugiyama, Takeshi Oshima, Hidenori Ishibashi, Miki Kagano, Hidenori Yukawa, Toru Fukasawa, Yoshio Inasawa (Mitsubishi Electric) WPT2023-4 MW2023-4
High power HPAs made of GaN are beginning to be widely used for 5G and satellite communications. Maximum output power of... [more] WPT2023-4 MW2023-4
pp.16-21
SRW 2021-08-24
10:00
Online Online Design of Multi-carrier Pilot Signals for Operation Point Estimation in Digital Pre-Distortion based Linearizer
Atushi Masubuchi, Masahiro Umehira, Xiaoyan Wang, Shigeki Takeda (Ibaraki Univ.) SRW2021-13
Mobile terminal is required to improve the power utilization efficiency of HPA (High Power Amplifier) because of the inc... [more] SRW2021-13
pp.1-6
RCS, SR, SRW
(Joint)
2021-03-04
10:30
Online Online Performance Evaluation of Digital Pre-Distortion based Linearizer using Operation Point Estimation Pilot for Mobile Terminal in Non-linear HPA with AM/AM and AM/PM Characteristics
Atsushi Masubuchi, Akira Tada, Masahiro Umehira, Xiaoyan Wang, Shigeki Takeda (Ibaraki Univ.) SRW2020-59
With the increase in uplink speeds and the use of millimeter wave bands, it is required to futher improve the power util... [more] SRW2020-59
pp.29-34
RCS, SR, SRW
(Joint)
2020-03-05
14:15
Tokyo Tokyo Institute of Technology
(Cancelled but technical report was issued)
Preliminary Study of HPA Linearization System using Look-up Table of HPA Input-Output Characteristics
Akira Tada, Masahiro Umehira, Xiaoyan Wang, Shigeki Takeda (Ibaraki Univ.) RCS2019-368
In order to reduce adjacent channel leakage power (ACLP) caused by small output back-off operation of HPA (High Power Am... [more] RCS2019-368
pp.245-249
SAT, RCS
(Joint)
2018-08-09
09:05
Iwate Iwate University [Encouragement Talk] Highly available base station configuration technique for satellite communication systems
Yoshinori Suzuki, Kouhei Suzaki, Munehiro Matsui, Akira Matsushita, Koichi Harada, Fumihiro Yamashita (NTT) SAT2018-28
Base stations for island satellite communication systems and disaster recovery satellite communication systems generally... [more] SAT2018-28
pp.1-6
MW 2014-06-26
11:15
Aichi Toyohashi Univ. of Tech. Design of Microwave Highpass Filters Using Microstrip Coupled-Line Structures
Junichi Tsurumi, Naoto Watanabe, Zhewang Ma, Masataka Ohira (saitama Univ.) MW2014-46
In this paper, a novel compact microstrip highpass filter is proposed by using a microstrip coupled-line hairpin resonat... [more] MW2014-46
pp.23-28
PN, EMT, LQE, OPE, MWP, EST, IEE-EMT [detail] 2013-01-24
13:25
Osaka Osaka Univ. (Suita) Design of Microstrip Bandpass Filters with Multiple Transmission Zeros By Combining Compact Lowpass and Highpass Filters
Ryosuke Akimoto, Zhewang Ma, Masataka Ohira (Saitama Univ), Chun-Ping Chen, Tetsuo Anada (Kanagawa Univ) PN2012-41 OPE2012-150 LQE2012-142 EST2012-77 MWP2012-59
In this paper, we design microstrip bandpass filters (BPFs) with multiple transmission zeros by combining compact lowpas... [more] PN2012-41 OPE2012-150 LQE2012-142 EST2012-77 MWP2012-59
pp.65-72
MW 2012-10-18
11:35
Tochigi Utsunomiya Univ. Design of Highpass Filters Consisting of Parallel-Connected Microstrip Transmission Line and Coupled-Lines
Ryosuke Akimoto, Zhewang Ma, Masataka Ohira (Saitama Univ.) MW2012-88
In this paper, a highpass filter consisting of parallel-connected microstrip transmission line and coupled-lines is ana... [more] MW2012-88
pp.41-46
MW 2011-10-20
11:30
Tokyo The University of Electro-Communications A Designing Microwave Tunable Amplifier for Multi-Band
Akira Nagashio, Hitoshi Ishida (GNCT) MW2011-90
This paper describes a method of designing a Microwave Tunable Amplifier for Multi-Band. This design method is using a v... [more] MW2011-90
pp.29-32
RCS, SAT
(Joint)
2011-08-26
10:45
Niigata Niigata Univ. High Efficient Power Amplification of M-ary Modulated Signal by Spatial Superposition
Masayoshi Tanaka (Nihon Univ.), Hiroyasu Madate (Kyosera) SAT2011-32
This paper presents a new spatial power combining technology suitable for superposed M-ary modulated communication syste... [more] SAT2011-32
pp.87-92
VLD 2011-03-02
15:05
Okinawa Okinawaken-Danjo-Kyodo-Sankaku Center An Energy-efficient ASIP Synthesis Method Using Scratchpad Memory and Code Placement Optimization
Yoshinori Shimada, Youhua Shi, Nozomu Togawa, Masao Yanagisawa, Tatsuo Ohtsuki (Waseda Univ.) VLD2010-120
In this paper, we propose an energy-efficient ASIP synthesis method using scratchpad memory.
Due to the fact that a si... [more]
VLD2010-120
pp.25-30
SANE, SAT
(Joint)
2011-02-25
10:15
Hyogo NICT Kobe Research Laboratories High Efficient Power Amplification of M-ary Modulated Signal -- Spatially Superposition --
Hiroyasu Madate, Masayoshi Tanaka (Nihon Univ.) SAT2010-85
This paper presents a new spatial power combining technology suitable for superposed M-ary modulated communication syste... [more] SAT2010-85
pp.55-60
ED 2010-10-26
11:10
Kyoto   Development of Short Warm Up Ku-band 250W TWT
Akira Chiba, Junichi Kobayashi, Yuudai Ninomiya, Shuuji Abiko, Takashi Kanamoto, Junichi Matsuoka (NCS) ED2010-140
NETCOMSEC Co. Ltd. developed a Short Warm Up Ku-band 250W TWT (Traveling Wave Tube) as an amplifier which is used for sa... [more] ED2010-140
pp.61-65
VLD, CPSY, RECONF, DC, IPSJ-SLDM, IPSJ-ARC
(Joint) [detail]
2007-11-20
10:30
Fukuoka Kitakyushu International Conference Center An ILP Model of Code Placement Problem for Minimizing the Energy Consumption in Embedded Processors
Yuriko Ishitobi, Tohru Ishihara, Hiroto Yasuura (Kyushu Univ.)
This paper formulates a code placement problem to optimize the total energy consumption of a CPU core, on-chip memories ... [more] VLD2007-75 DC2007-30
pp.31-36
PN, NS
(Joint)
2006-12-15
12:45
Aichi Nagoya Univ. Dynamic Management of Computing and Network Resources with PID Feedback Control in Optical Grid
Takuji Tachibana, Kiminao Kogiso, Kenji Sugimoto (NAIST) PN2006-44
In this paper, in order to utilize computing and network resources effectively in optical grid, we proposed a dynamic re... [more] PN2006-44
pp.23-26
MW, ED 2005-11-17
14:00
Saga   A High Humidity Resistance and High Power Density TaN/Au T-gate pHEMT for Ka-band Applications
Hirotaka Amasuga, Seiki Goto, Toshihiko Shiga, Masahiro Totsuka, Hajime Sasaki, Tetsuo Kunii, Yoshitsugu Yamamoto, Akira Inoue, Tomoki Oku, Takahide Ishikawa (Mitsubishi Electric Corp.)
A 0.8 W/mm high power pHEMT with high resistance to humidity is reported. By using tantalum nitride as the refractory ga... [more] ED2005-166 MW2005-121
pp.45-49
 Results 1 - 16 of 16  /   
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