| IEICE Technical Committee Submission System Conference Schedule |
Online Proceedings [Sign in] Tech. Rep. Archives |
All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MW | 2008-06-27 10:30 |
Aichi | Toyohashi Univ. of Tech. | Ring Resonators for Bandwidth and Center Frequency Tunable Filter Kunihiro Kawai, Hiroshi Okazaki, Shoichi Narahashi (NTT DoCoMo)  MW2008-35 |
This paper presents novel and simple-structured tunable resonators for tunable bandpass filter that individually varies ... [more] | MW2008-35 pp.25-28 |
| EE | 2007-11-19 13:00 |
Tokyo | [Special Talk]
Reconfigurable RF power amplifiers Hiroshi Okazaki, Atsushi Fukuda, Shoichi Narahashi (NTT DoCoMo) EE2007-40 |
[more] | EE2007-40 pp.35-38 |
|
| SR | 2007-07-26 14:00 |
Kanagawa | [Technology Exhibit]
A Novel Reconfigurable Multiband Power Amplifier and Isolator for Reconfigurable RF Front-End Atsushi Fukuda, Takayuki Furuta, Hiroshi Okazaki, Shoichi Narahashi (NTT DoCoMo) SR2007-31 |
Future mobile terminals will operate in the wireless environment where the variety of wireless systems coexist and inter... [more] | SR2007-31 pp.69-72 |
|
| SR | 2007-07-26 14:00 |
Kanagawa | [Technology Exhibit]
Center frequency and bandwidth discretely tunable bandpass filter Kunihiro Kawai, Hiroshi Okazaki, Shoichi Narahashi (NTT DoCoMo) SR2007-32 |
This paper presents a novel and simple-structured digital tunable bandpass filter that individually controls the center ... [more] | SR2007-32 pp.73-76 |
|
| MW, ED | 2007-01-17 15:45 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Band-Switching Multi-band Isolator Takayuki Furuta, Atsushi Fukuda, Hiroshi Okazaki, Shoichi Narahashi (NTT DOCOMO) |
[more] | ED2006-210 MW2006-163 pp.57-60 |
| SR | 2006-07-27 11:20 |
Kanagawa | YRP | [Tutorial Lecture]
RF circuits with RF-MEMS devices Shoichi Narahashi, Hiroshi Okazaki, Atsushi Fukuda, Kunihiro Kawai (NTT DoCoMo) SR2006-14 |
For future mobile services, the development of “reconfigurable RF circuits” for mobile radios is expected to operate amo... [more] | SR2006-14 pp.7-11 |
| SR | 2006-07-27 14:00 |
Kanagawa | YRP | [Technology Exhibit]
Investigation on fundamental elements for reconfigurable RF front-end Shoichi Narahashi, Hiroshi Okazaki, Atsushi Fukuda, Kunihiro Kawai (NTT DoCoMo) SR2006-18 |
In a future mobile ubiquitous world, all kinds of things will be interconnected as needed to form wireless networks that... [more] | SR2006-18 pp.31-34 |
| MW | 2005-09-13 16:55 |
Tokyo | [Special Talk]
Report on 2005 IEEE MTT-S International Microwave Symposium Hiroshi Okazaki (NTT DoCoMo), Yoji Isota (Mitsubishi Electric), Shuya Kishimoto (NEC), Tadao Nakagawa, Kenjiro Nishikawa (NTT), Keren Li (NICT), Atsushi Sanada (Yamaguchi Univ.) |
Report on 2005 IEEE MTT-S International Microwave Symposium held in Long Beach, CA, USA, is presented. [more] | MW2005-85 pp.43-52 |
|
| SR | 2005-07-28 16:30 |
Kanagawa | Yokosuka Research Park | RF Circuit Configuration for Software Defined Radios
-- A Multi-band Power Amplifier -- Shoichi Narahashi, Hiroshi Okazaki, Atsushi Fukuda, Kunihiro Kawai (NTT DoCoMo) |
For future mobile services, the development of "band-free radio frequency circuits" is expected to operate among differe... [more] | SR2005-26 pp.41-44 |
| SR | 2005-07-28 - 2005-07-29 |
Kanagawa | Yokosuka Research Park | A Band Reconfigurable High Efficiency Power Amplifier Employing RF-MEMS Switches Shoichi Narahashi, Hiroshi Okazaki, Atsushi Fukuda, Kunihiro Kawai (NTT DoCoMo) |
In a future mobile ubiquitous world, all kinds of things will be connected as needed to form wireless networks that shou... [more] | SR2005-45 pp.159-162 |
| MW | 2005-06-28 10:45 |
Aichi | 1W-class Multi-band Power Amplifier Employing RF-MEMS Switches Atsushi Fukuda, Hiroshi Okazaki, Shoichi Narahashi (NTT DoCoMo), Tetsuo Hirota (KIT), Yasushi Yamao (NTT DoCoMo) |
This paper presents a novel scheme for a multi-band power amplifier (PA) that employs a low-loss reconfigurable matching... [more] | MW2005-32 pp.1-4 |
|
[Return to Top Page]