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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SR, UWT (Joint) |
2023-01-26 15:50 |
Tokyo | Takanawa Campus, Tokai Univ. (Primary: On-site, Secondary: Online) |
Differential OFDM Software MODEMs for Underwater Acoustic Communications Taichi Fujita, Kouichi Hashimoto, Hiroshi Kubo (Ritsumeikan Univ.) |
It is well-known that underwater acoustic communications (UWACs) play an important role in underwater mobile communicati... [more] | |
| IT, RCS, SIP | 2023-01-25 14:10 |
Gunma | Maebashi Terrsa (Primary: On-site, Secondary: Online) |
Differential OFDM with Parallel Blind Demodulation Employing Different Re-Samplers for Underwater Acoustic Communications Taichi Fujita, Hiroshi Kubo (Ritsumeikan Univ.)  IT2022-63 SIP2022-114 RCS2022-242 |
Underwater acoustic communications (UWAC) suffer from double selectivity, where doubly-selective channels suffer from se... [more] | IT2022-63 SIP2022-114 RCS2022-242 pp.196-201 |
| RCS, AP, UWT (Joint) |
2022-11-15 14:55 |
Fukuoka | Kyushu University, and Online (Primary: On-site, Secondary: Online) |
Differential OFDM for Severe Doubly-Selective Channels of Underwater Acoustic Communications Hiroshi Kubo, Taichi Fujita, Kouichi Hashimoto, Takumi Yoshimura (Ritsumeikan Univ.) RCS2022-162 |
It is well known that wireless transmission technologies employing spatial combining and adaptive equalization and those... [more] | RCS2022-162 pp.43-48 |
| MW | 2020-12-10 15:35 |
Kanagawa | (Primary: On-site, Secondary: Online) |
Automatic Structural Adjustment Method of Microstrip BPF using Deep Q-network Kohei Takano, Masataka Ohira, Zhewang Ma (Saitama Univ.) MW2020-76 |
The design of bandpass filter (BPF), especially its structural adjustment, is often performed by trial and error with hu... [more] | MW2020-76 pp.30-35 |
| IT, SIP, RCS | 2020-01-24 12:35 |
Hiroshima | Hiroshima City Youth Center | Differential Orthogonal Frequency-Division Multiplexing Employing AFC for Time-Varying Doppler Shifts in Underwater Acoustic Communications Yui Nakai, Yuka Tanaka, Hiroshi Kubo (Ritsumeikan Univ.) IT2019-70 SIP2019-83 RCS2019-300 |
This paper proposes differential orthogonal frequency division multiplexing (OFDM) employing automatic frequency control... [more] | IT2019-70 SIP2019-83 RCS2019-300 pp.197-202 |
| RCS | 2019-06-21 09:40 |
Okinawa | Miyakojima Hirara Port Terminal Building | Differential Orthogonal Frequency-Division Multiplexing Employing Short-Time AFC for Underwater Acoustic Communications Yui Nakai, Yuka Tanaka, Hiroshi Kubo (Ritsumeikan Univ.) RCS2019-83 |
This paper discusses differential orthogonal frequency division multiplexing (OFDM) for underwater acoustic communicatio... [more] | RCS2019-83 pp.267-272 |
| US | 2018-08-30 14:45 |
Tokyo | Tokyo Institute of Technology | Estimation of Water Stress of Plant by the Analysis of Natural Frequency of Leaf using CCD Camera 2 Motoaki Sano, Chiharu Uchikawa, Yutaka Nakagawa, Takeyuki Ohdaira, Takashi Shirakawa, Tsuneyoshi Sugimoto (Toin Univ.) US2018-44 |
In order to realize optimum irrigation control in soil cultivation, we focus on the change of the natural frequency of l... [more] | US2018-44 pp.19-24 |
| ICSS, IA | 2014-06-06 13:50 |
Hyogo | Takikawa Memorial Hall, Kobe University | Implementation of the Administration Policy Description Method on Automatic Network Organization System Minori Shiota, Yukiko Yamaguchi, Hajime Shimada, Hiroki Takakura (Nagoya Univ.) IA2014-10 ICSS2014-10 |
To confront recent sophisticated targeted attacks, we have to consider a information system to prevent the destruction ... [more] | IA2014-10 ICSS2014-10 pp.49-54 |
| AP (2nd) |
2014-01-09 13:50 |
Overseas | Le Quy Don Technical University (Hanoi, Vietnam) | [Invited Talk]
QZSS Location and Short Message Communication System against Big Disasters Akinori Taira, Yuji Miyake, Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) |
When great disaster occurs, many terrestrial infrastructures are seriously damaged. Thus satellite communication has imp... [more] | |
| RCS, AP (Joint) |
2013-11-21 10:00 |
Shimane | Matsue Terrsa | Perfomance Evaluation of QZSS Short Message Communication SS-CDMA with Frequency Offset Akinori Taira, Yuji Miyake, Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) RCS2013-185 |
Quasi-Zenith Satellite System (QZSS) is expected to provide a high accurate positioning service and allows two-way commu... [more] | RCS2013-185 pp.67-72 |
| NS, RCS (Joint) |
2012-12-14 09:00 |
Ehime | Ehime Univ. | Performance Analysis of Wireless Receivers in FDM based Narrowband Communication Systems on Considering Effects of AGC Shusuke Narieda (Akashi Nat. Coll. of Technol.) RCS2012-209 |
This paper discusses the effect of an automatic gain control (AGC) and analog to digital converter (ADC) on receiver per... [more] | RCS2012-209 pp.155-159 |
| RCS, AN, SR, USN (Joint) |
2011-10-26 09:40 |
Tokyo | Sophia Univ. | A Comparative Discussion of the Error Estimation Accuracy of Hilbert Transformer for Multi-mode Receivers with Baseband AGC Yohei Kosuga (Kyoto Univ.), Satoshi Denno (Okayama Univ.), Masahiro Morikura (Kyoto Univ.) SR2011-49 |
This paper proposes a novel scheme to estimate the imbalance of the RF devices included in RF analog Hilbert transformer... [more] | SR2011-49 pp.37-41 |
| CQ, MoNA, ITE-CE, ITE-BCT [detail] | 2011-09-08 13:05 |
Kumamoto | Pref. Univ. Kumamoto | A study on duplex method for bi-directional FPU Fumiki Uzawa, Kazuhiko Mitsuyama, Tetsuomi Ikeda (NHK) |
We have started a basic study on a bi-directional transmission system to develop the new microwave band Field Pick-up Un... [more] | |
| SR | 2005-11-25 16:20 |
Okinawa | Okinawa Wemen's Center | A Study of automatic gain control for increasing the efficiency of frequency use Takahiko Kishi (Samsung Yokohama) |
he wide-band front-end of the software radio terminal and the digital radio terminal that convert the RF signal with a b... [more] | SR2005-65 pp.127-134 |
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