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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MW, ED | 2023-01-27 15:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
[Invited Talk]
Requierements for sharing type 4G/5G base station transciever amplifiers Koji Yamanaka, Yuji Komatsuzaki, Shuichi Sakata, Kento Saiki (Mitsubishi Electric), Takana Kaho (SIT)  ED2022-96 MW2022-155 |
In post-5G era (latter half of 2020s), mobile base-stations are assumed to be shared between mobile operators to reduce ... [more] | ED2022-96 MW2022-155 p.50 |
| MW, ED | 2021-01-29 10:30 |
Online | Online | Study on a design theory for electromagnetically-coupled half-wavelength resonator filter Motoki Futatsuya, Toshio Ishizaki (Ryukoku Univ) ED2020-27 MW2020-80 |
Currently, the number of small base stations is being increased with the development of 5G communication technology. In ... [more] | ED2020-27 MW2020-80 pp.1-6 |
| MW, ED | 2019-01-17 10:00 |
Tokyo | Hitachi, Central Research Lab. | Development of Electromagnetically-Coupled Half-Wavelength Resonator Filter Ayaka Shimizu, Toshio Ishizaki (Ryukoku Univ.) ED2018-70 MW2018-137 |
In recent years, miniaturization and high performance of base station filters are regarded as important. In a filter, by... [more] | ED2018-70 MW2018-137 pp.7-12 |
| MW | 2017-12-20 09:20 |
Tokyo | Consideration of Multi-Pole for Electromagnetically-Coupled Half-Wavelength Resonator Filters Ayaka Shimizu, Toshio Ishizaki (Ryukoku Univ.) MW2017-153 |
In recent years, further miniaturization and high performance of a filter for small base station are required. By formin... [more] | MW2017-153 pp.65-70 |
|
| MW | 2017-12-20 09:45 |
Tokyo | Study on Quadruple-Mode Cavity-Type Filter for Mobile-Phone Base-Stations Akihiro Tsubouchi, Toshio Ishizaki (Ryukoku Univ) MW2017-154 |
In order to deal with the increase of traffic in recent years, cellular phone base stations using microcells and pico-ce... [more] | MW2017-154 pp.71-76 |
|
| MW (2nd) |
2017-06-14 - 2017-06-16 |
Overseas | KMUTT, Bangkok, Thailand | Design Method for Electromagnetically-Coupled Half-Wavelength Resonator Filters Ayaka Shimizu, Toshio Ishizaki (Ryukoku Univ.) |
Recently, miniaturization of duplexer used in base station is strongly expected. By creating attenuation poles near pass... [more] | |
| MW | 2017-05-19 10:30 |
Osaka | Osaka Univ. (Seminar Room1, Osaka Univ. Kaikan) | Fundamental Consideration of Passband Design for Electromagnetically-Coupled Half-Wavelength Resonator Filters Ayaka Shimizu, Toshio Ishizaki (Ryukoku Univ.) MW2017-15 |
Recently,many small base stations are installed additionally. But, duplexer occupies about half of the volume of a small... [more] | MW2017-15 pp.43-47 |
| MW | 2016-12-16 11:30 |
Kanagawa | National Defense Academy | Design Method of Attenuation Poles for Electromagnetically-Coupled Half-Wavelength Resonator Filters Ayaka Shimizu, Toshio Ishizaki (Ryukoku Univ.) MW2016-161 |
Usually, duplexers used in base station consist of transmitting and receiving filters, both of which are 10- to 15-pole ... [more] | MW2016-161 pp.165-170 |
| NS, IN (Joint) |
2015-03-03 12:40 |
Okinawa | Okinawa Convention Center | Distributed Location-Based Broadcast Services for Gain of Mobile Users Hisashi Matsuura, Hiroaki Higaki (Tokyo Denki Univ) IN2014-157 |
Broadcast Services is one of the most anticipated Internet services. Different from the conventional client-server base... [more] |
IN2014-157 pp.215-219 |
| MWP, EMT, PN, LQE, OPE, EST, IEE-EMT [detail] | 2014-01-23 13:50 |
Kyoto | Doshisha University | Optical power feeding system for Radio on Fiber without Electric Power Supply Walimuni Hasitha Mendis Abeysekara, Motoharu Matsuura, Naoto Kishi (UEC) PN2013-42 OPE2013-156 LQE2013-142 EST2013-91 MWP2013-62 |
We demonstrated a RoF (Radio-on-Fiber) transmission system with optical power supply using 2km single-mode-fiber (SMF). ... [more] | PN2013-42 OPE2013-156 LQE2013-142 EST2013-91 MWP2013-62 pp.47-50 |
| MW | 2013-05-31 14:15 |
Kyoto | Ryukoku Univ. | Study on Quadruple-Mode Cavity-Type Filter for Base Stations Dai Futagami, Shigeo Yakuno, Toshio Ishizaki (Ryukoku Univ.) MW2013-23 |
Abstract These days, due to wide-spread of smart phones, data traffic is becoming very heavy. To increase traffic capac... [more] |
MW2013-23 pp.77-82 |
| SANE | 2010-10-27 18:00 |
Overseas | Ramada Hotel, Jeju-do, Korea | Measurement Experiment of Interference From Mobile Terminals and Base Stations Using an Airship Hiroyuki Tsuji, Amane Miura, Yoshiyuki Fujino, Naokazu Hamamoto, Ryutaro Suzuki (NICT) SANE2010-89 |
The interference from terrestrial base-stations or mobile terminals to satellite systems is one of the important issues ... [more] | SANE2010-89 pp.123-127 |
| EMCJ | 2010-04-23 15:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Estimation of Electric Field Distribution Radiated from a Vertical Linear Array Antenna using Near-Field/Far-Field Transformation Takuya Eki, Jianqing Wang (Nagoya Inst. Tech.), Yoshiaki Tarusawa (NTT DoCoMo) EMCJ2010-11 |
The compliance assessment of base-station antennas requires a long measuring time for electric field measurement. In thi... [more] | EMCJ2010-11 pp.55-59 |
| MW | 2009-12-17 14:30 |
Ishikawa | Kanazawa Inst. of Tech. | A Study on Indoor Environment of Electric Wave Emitted by Antenna Installed on the Building Roof Kiichi Ishibashi, Kei Sugimoto (Aoyama Gakuin Univ.), Hirokazu Suzuki (Kumagai Gumi Co.,Ltd), Osamu Hashimoto (Aoyama Gakuin Univ.) MW2009-146 |
In this paper, we set up the base-station antenna, for one of the tower, on the building roof and we investigate the ind... [more] | MW2009-146 pp.17-22 |
| RCS, AP (Joint) |
2009-11-27 10:50 |
Tokyo | Tokyo Inst. of Tech. | Configuration of the Patch Antenna with Built-in PIM Source. Kenji Irie, Nobuhiro Kuga (Yokohama Nat'l Univ.) AP2009-132 |
The authors discuss an antenna to assess the measurement environments of antenna-intermodulation in this paper. The pro... [more] |
AP2009-132 pp.79-84 |
| SR | 2006-07-27 14:00 |
Kanagawa | YRP | [Technology Exhibit]
Research and Development on Cognitive Radio Sysytem
-- Current Research Results -- Kanshiro Kashiki, Mitsuo Nohara, Hiroyuki Nakamura (KDDI), Seishi Hanaoka, Satoshi Yoshizawa (Hitachi), Toshiyuki Kuze, Akira Otsuka (Mitsubishi), Keizo Sugiyama, Akira Idoue (KDDI Labs.), Akira Yamaguchi, Sadao Obana (ATR) SR2006-22 |
At the SR technical meeting held in April 2006, we make a presentation of the outline of the R&D activities concerning t... [more] | SR2006-22 pp.59-65 |
| EMCJ | 2005-04-22 13:30 |
Kanagawa | Shonan Campus, Tokai University | Three-Dimensional Hybrid Analysis of the SAR in Human Body for Base-Station Antennas Masayuki Komatsu, Jianqing Wang, Osamu Fujiwara (Nagoya Inst. of Tech.), Yoshiaki Tarusawa, Shinji Uebayashi (NTT DoCoMo) |
In this study we have established an effective technique for dosimetric analyses of base-station antennas in an undergro... [more] | EMCJ2005-2 pp.7-12 |
| EMCJ | 2004-10-01 14:05 |
Nara | Hybrid analysis of SAR in human body for base station antennas in underground environment Masayuki Komatsu, Jianqing Wang, Osamu Fujiwara (NIT), Yoshiaki Tarusawa, Shinji Uebayashi (NTT DoCoMo) |
In this study we have established an effective technique for dosimetric analyses of base-station antennas in an undergro... [more] | EMCJ2004-63 pp.45-50 |
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