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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| PN | 2024-03-15 10:10 |
Kagoshima | (Primary: On-site, Secondary: Online) |
Optically powered antenna unit with remotely optical amplification using a multi core fiber Mizuki Fukuyama, Motoharu Matsuura (UEC), Hidenori Takahashi, Noboru Yashikane, Takehiro Tsuritani (KDDI Research, Inc.)  PN2023-79 |
We experimentally demonstrate a simultaneous transmission of data signal, feed light and pump light using a multi-core f... [more] | PN2023-79 pp.53-57 |
| PN | 2023-08-29 10:55 |
Hokkaido | (Primary: On-site, Secondary: Online) |
Transmission Performance of Radio-over-Fiber with Remote Amplification Using Multicore Fibers Mizuki Fukuyama, Motoharu Matsuura (UEC), Hidenori Takahashi, Noboru Yoshikane, Takehiro Tsuritani (KDDI Research, Inc.) PN2023-18 |
We experimentally demonstrate simultaneous data signal and pump light using a multi-core fiber for remotely amplifying t... [more] | PN2023-18 pp.11-14 |
| MSS, CAS, IPSJ-AL [detail] | 2021-11-18 11:20 |
Online | Online | Evaluation of Accuracy in Frequency Domain Equalization with Equivalent Low-pass Model of Distributed Amplifier Taiki Okuma, Sota Ikeo, Umeda Yohtaro (Tokyo University of Science) CAS2021-42 MSS2021-22 |
In the estimation of the channel function for a circuit and the accuracy evaluation of distortion compensation using Fre... [more] | CAS2021-42 MSS2021-22 pp.28-33 |
| SANE | 2018-08-24 13:00 |
Tokyo | Electric Navigation Research Institute | Performance Evaluation of Radio over Fiber Communication System with Frequency Doubling in 90 GHz Band Naoki Kanada, Naruto Yonemoto, Kazuyuki Morioka (ENRI), Tetsuya Kawanishi (Waseda Univ.) SANE2018-38 |
A millimeter band backhaul technology is under development for advanced high-speed trains running through a long tunnel ... [more] | SANE2018-38 pp.29-34 |
| MWP | 2017-05-11 16:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Relationship between symbol rate and signal quality generated with frequency doubling at 96 GHz Naoki Kanada, Naruto Yonemoto (ENRI), Tetsuya Kawanishi (Waseda Univ.) MWP2017-7 |
Research and development on high-capacity communication technology based on the millimeter wave band have been developed... [more] | MWP2017-7 pp.37-41 |
| MW, ICD | 2017-03-03 10:50 |
Okayama | Okayama Prefectural Univ. | Speeding up using Parallel-Serial conversion in FPGA implementation of quadrature modulation Envelope Pulse Width Modulation Transmitter Kouhei Nagasawa, Yohtaro Umeda, Yusuke Kozawa (Tokyo Univ. of Science) MW2016-207 ICD2016-137 |
This paper presents a new configuration using a serializer on quadrature-modulation (QM) envelope-pulse-width-modulation... [more] | MW2016-207 ICD2016-137 pp.107-112 |
| MWP | 2016-04-21 16:35 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Evaluation of PSK signal quality at 92GHz generated by optical frequency doubler Naoki Kanada, Naruto Yonemoto (ENRI), Tetsuya Kawanishi (Waseda Univ.) MWP2016-7 |
It is expected that communication traffic demand for high-speed transportation services will increase in the future. In ... [more] | MWP2016-7 pp.27-31 |
| LQE, EST, OPE, EMT, PN, MWP, IEE-EMT, PEM [detail] | 2016-01-28 14:10 |
Hyogo | EVM Evaluation for Quadrupled QAM Signal Naoki Kanada, Naruto Yonemoto (ENRI), Tetsuya Kawanishi (WASEDA) PN2015-68 EMT2015-119 OPE2015-181 LQE2015-168 EST2015-125 MWP2015-94 |
It is expected that communication traffic demand for high-speed transportation services will increase in the future. In ... [more] | PN2015-68 EMT2015-119 OPE2015-181 LQE2015-168 EST2015-125 MWP2015-94 pp.211-215 |
|
| MW | 2014-12-18 13:25 |
Tokyo | Aoyama Gakuin Univ. Aoyama Campus | Measurement for Error Vector Magnitude of Out-Phasing Power Amplifiers with Frequency Doubler Yuya Ohashi, Hidehisa Shiomi, Yasuyuki Okamura (Osaka Univ.) MW2014-156 |
This paper presents the measurement results of IQ modulated signal and distorted correction, in order to make Out-Phasin... [more] | MW2014-156 pp.45-48 |
| SRW | 2014-12-17 16:05 |
Kanagawa | Keio University | Experimental evaluation of error vector magnitude in LTE signal transmission by visible light communication Hiroaki Matsuno, Shigeru Tomisato, Satoshi Denno, Masaharu Hata (Okayama Univ.), Tatsuo Furuno, Yasuhiro Oda (NTTDOCOMO) SRW2014-41 |
This paper experimentally evaluates broadband transmission performance of visible light communication using a transmiss... [more] | SRW2014-41 pp.35-38 |
| MW | 2014-11-21 10:55 |
Nagasaki | Nagasaki Univ. | Quadrature-modulation Transmitter with Tri-level Delta-sigma Modulation for Generating Bi-level EPWM Signal Takashi Noda, Wataru Someya, Yoshiharu Iikura, Yohtaro Umeda, Yusuke Kozawa (Tokyo Univ. of Science) MW2014-139 |
This paper presents a quadrature-modulation (QM) envelope-pulse-width-modulation (EPWM) transmitter with delta-sigma tri... [more] | MW2014-139 pp.83-88 |
| MW | 2014-11-21 11:20 |
Nagasaki | Nagasaki Univ. | A Polar-modulation EPWM Transmitter with a Class-D Amplifier for OFDM Transmission Yoshiharu Iikura, Yohtaro Umeda, Yusuke Kozawa (Tokyo Univ. of Sience) MW2014-140 |
Power amplifiers for wireless communication systems demand high power efficiency and linearity. Of the available types o... [more] | MW2014-140 pp.89-94 |
| MW | 2014-03-05 15:25 |
Ehime | Ehime University | Modulation Accuracy of a Polar-modulation EPWM Transmitter with a NMOS-type Class-D Power Amplifier Yoshiharu Iikura, Yohtaro Umeda, Yusuke Kozawa (Tokyo Univ. of Science) MW2013-221 |
Switching-mode power amplifiers for wireless communication systems demand high power efficiency and linearity. Of the av... [more] | MW2013-221 pp.139-144 |
| WBS | 2010-07-23 15:20 |
Tokyo | Riso Kaikan, Tokyo University of Science | Deep Clipping and Filtering for peak-to-average power ratio reduction of OFDM signals Masato Saito (Univ. of the Ryukyus), Satoshi Kimura, Minoru Okada (NAIST) WBS2010-18 |
In this study, we propose Deep Clipping and Filtering (DCAF) method for reducing peak regrowth when applying normal Cl... [more] |
WBS2010-18 pp.29-34 |
| EMCJ, MW | 2007-10-26 09:35 |
Miyagi | Tohoku University | A basic study on EER transmitter with burst-width envelope modulation based on triangle-wave PWM Toshiro Kodera, Nobuhiko Ando, Makoto Taromaru (ATR) EMCJ2007-67 MW2007-114 |
The improvement of efficiency on power amplifiers (PAs) has been a major assignment from dc to microwave region. The c... [more] |
EMCJ2007-67 MW2007-114 pp.77-82 |
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