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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SAT, SANE (Joint) |
2020-02-19 15:40 |
Okinawa | Demonstration Experiment on 2.6 Gbps Downlink Communication from Low Earth Orbit Satellite Hirobumi Saito (JAXA), Tomoki Kaneko (Todai), Hiromi Watanabe (Keio), Noriyuki Kawano, Keishi Murakami, Yoshinori Kunii, Takahisa Tomoda (JAXA), Kei-ichi Hirako (Keio), Shinichi Nakasuka (Todai), Seiko Shirasaka (Keio)  SANE2019-106 |
[more] | SANE2019-106 pp.49-54 |
|
| AP, SAT (Joint) |
2006-05-18 14:55 |
Kagoshima | Kagoshima Univ. | coded differential PSK and its demodulation by means of generalized multiple differential detection Keishi Murakami, Hiroshi Kubo, Hiroyasu Sano (Mitsubishi Electric) SAT2006-4 |
This paper proposes communication systems employing convolutionally encoded differential PSK and a generalized version o... [more] | SAT2006-4 pp.17-22 |
| MW | 2005-09-13 15:30 |
Tokyo | A 5GHz-Band SiGe-MMIC Direct Quadrature Modulator Using a Circular Polyphase Filter for 1Gbps Transmission Kensuke Nakajima, Noriharu Suematsu, Keishi Murakami, Yoji Isota (Mitsubishi Electric Corp.), Hiroyuki Nakase, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) |
A 5GHz-band SiGe-MMIC direct conversion quadrature modulator using a circular polyphase filter for high data rate is des... [more] | MW2005-82 pp.25-29 |
|
| SR | 2005-07-29 15:30 |
Kanagawa | Yokosuka Research Park | 0.8-5.2GHz Band SiGe-MMIC Quadrature Modulator for Multi-Band Multi-Mode Direct Converstion Transmitter Chiemi Kageyama, Kensuke Nakajima, Koji Tsutsumi, Eiji Taniguchi, Noriharu Suematsu, Keishi Murakami (Mitsubishi Electric Corp) |
[more] | SR2005-36 pp.105-108 |
| SR | 2005-07-28 - 2005-07-29 |
Kanagawa | Yokosuka Research Park | The Wide Bandwidth Monopole Antenna using Human Body as a Ground Plane Hideyuki Soutome, Toru Fukasawa, Yasuhiro Nishioka, Masataka Ohtsuka, Yonehiko Sunahara, Keishi Murakami (Mitsubishi Electoric Corp.) |
In this paper, we propose an antenna structure that obtains wide bandwidth characteristic and small size in a mobile wir... [more] | SR2005-44 pp.153-157 |
| CQ, RCS (Joint) |
2005-04-22 14:20 |
Kyoto | ATR | Performance improvement and complexity reduction for MIMO employing PADE Hiroshi Kubo, Masatsugu Higashinaka, Akihiro Okazaki, Keishi Murakami (Mitsubishi Electric) |
This paper proposes performance improvement and complexity reduction schemes for multiple-input multiple-output (MIMO) c... [more] | RCS2005-10 pp.19-24 |
| CQ, RCS (Joint) |
2005-04-22 14:40 |
Kyoto | ATR | A Study on multimode terminal architecture for next generation mobile communication systems Terumi Sunaga, Hiroshi Kubo, Keishi Murakami (Mitsubishi Electric) |
In the next generation mobile communication system, many wireless systems, which are very high bit rate system with smal... [more] | RCS2005-11 pp.25-30 |
| RCS, AP | 2004-10-28 13:00 |
Niigata | Niigata University | A Performance of Channel Estimation Scheme for MIMO-OFDM systems Based on Frequency Averaged MMSE Combining Akinori Taira (Mitsubishi Electric), Yoshitaka Hara (ITE), Fumio Ishizu, Keishi Murakami (Mitsubishi Electric) |
This paper shows a new frequency-averaged MMSE channel estimation scheme for MIMO-OFDM systems. Currently, a multi-carri... [more] | AP2004-147 RCS2004-168 pp.87-92 |
| OCS | 2004-06-18 | Yamagata | Denkoku-No-Mori | PMD Blind Equalization employing a Pre-Processing Scheme for CMA Kentaro Goto, Hiroshi Kubo, Keishi Murakami (Mitsubishi Electric Corp.) |
This paper proposes a pre-processing (PP) of a received signal for Constant Modulus Algorithm (CMA) , in order to compen... [more] | OCS2004-47 pp.43-48 |
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