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 Results 1 - 15 of 15  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
Online Online Low PAPR Method of Multitone Signals by Optimizing Their Phases with Initial Values Using Zadoff Code
Hiroto Sakaki, Nobuhiko Ando, Hideyuki Nakamizo, Kazutomi Mori (Mitsubishi Electric) RCS2021-20
 [more] RCS2021-20
AP 2021-05-21
Online Online Experimental Results of Frequency and Code Division MIMO Radar Using Commercial PLL-IC
Kazunari Kihira, Hiroto Sakaki, Akira Kakitani, Toru Fukasawa, Yoshio Inasawa (Mitsubishi Electric Corp.) AP2021-13
 [more] AP2021-13
RCS 2021-04-22
Online Online Digital Predistorter Using Twin-Nonlinear Two-Box Model for Digitally Assisted Ultra-Wideband GaN Amplifier
Ao Yamashita, Yuji Komatsuzaki, Hiroto Sakaki, Nobuhiko Ando, Hideyuki Nakamizo (Mitsubishi Electric) RCS2021-1
The authors have been proposing high efficiency digitally assisted ultra-wideband GaN amplifier for mobile base station ... [more] RCS2021-1
SR 2020-06-04
- 2020-06-05
Online Online A Control Method of Digitally Assited Ultra- Wideband GaN Amplifier with Modulated Input Signals for High PAE
Hiroto Sakaki, Ao Yamashita, Yuji Komatsuzaki, Nobushiko Ando, Hideyuki Nakamizo (Mitsubishi Electric) SR2020-8
 [more] SR2020-8
MW, ICD 2019-03-15
Okinawa   SNR Improvement of RF Front-End Architecture for 4 Frequency Bands by Imbalance Compensation
Hiroto Sakaki, Nobuhiko Ando, Kenichi Tajima (Mitsubishi Electric) MW2018-176 ICD2018-120
 [more] MW2018-176 ICD2018-120
MW 2017-11-09
Okinawa Miyakojima Marin Terminal Bldg. A Proposal of RF Front-end for 4 Frequency Bands with Two Local Signals
Hiroto Sakaki, Nobuhiko Ando, Kenichi Tajima (Mitsubishi Electric) MW2017-119
In this paper, we propose a RF front-end architecture for 4 frequency bands with 2 reception paths. The architecture con... [more] MW2017-119
Overseas TamKang University, Tamsui Campus Wide Dynamic Range Rectifier with Adaptive Power Control Technique
Ryuya Tanaka, Hiroto Sakaki, Makoto Kuroki, Fumito Kuroiwa, Kenjiro Nishikawa (Kagoshima Univ.)
This paper proposes and demonstrates a novel wide dynamic range and high-efficiency rectifier. The proposed rectifier co... [more]
Okinawa Okinawaken Jichikaikan A Novel Wide Dynamic Range and Dual Band Rectifier Design for Wireless Power Transfer System
Hiroto Sakaki, Fumito Kuroiwa, Masanobu Tsujii, Kenjiro Nishikawa (Kagoshima Univ.), Kunihiro Kawai, Hiroshi Okazaki, Shoichi Narahashi (NTT DOCOMO) WPT2014-81
 [more] WPT2014-81
- 2014-11-28
Overseas King Mongkut's Institute of Technology Ladkrabang (KMITL), Bangkok Novel RF configuration on IC Tag for Multi-frequency Transmission WiCoPT System
Machiko Maeno, Ryo Takamori, Hiroto Sakaki, Kenjiro Nishikawa (Kagoshima Univ.), Shigeo Kawasaki (JAXA)
This paper proposes a multi-frequency transmission WiCoPT system, and a novel RF configuration on IC Tag without VCO and... [more]
MW, OPE, EMT, MWP, EST, IEE-EMT [detail] 2014-07-18
Hokkaido Muroran Inst. of Tech. A Novel Wide Dynamic Range Rectifier Design for WPT System
Hiroto Sakaki, Fumito Kuroiwa, Masashi Muraguchi, Kenjiro Nishikawa (Kagoshima Univ.) MW2014-80 OPE2014-49 EST2014-41 MWP2014-38
Wireless Power Transfer (WPT) can be categorized into many method and Microwave wireless Power Transfer(MPT). Compared w... [more] MW2014-80 OPE2014-49 EST2014-41 MWP2014-38
MW, SCE, WPT 2014-04-18
Tokyo Kikai-Shinko-Kaikan Bldg. Design and Analysis of High Efficiency Rectifier with High Impedance Matching Circuit
Hiroto Sakaki, Hitoshi Shimamura, Fumito Kuroiwa, Kenjiro Nishikawa (Kagoshima Univ.) WPT2014-22 SCE2014-22 MW2014-22
Recently, Wireless Power Transmission (WPT) has been demand for next generation power transmission systems. WPT can be c... [more] WPT2014-22 SCE2014-22 MW2014-22
MW 2013-11-22
Kagoshima Kagoshima Prefectural Culture Center Design of High Efficiency Rectifier Circuit
Shohei Iwai, Hitoshi Shimamura, Hiroto Sakaki, Kenjiro Nishikawa (Kagoshima Univ.) MW2013-146
This paper proposes and demonstrates a high-efficiency rectifier circuit at low-input power operation. The proposed rect... [more] MW2013-146
MW 2013-11-22
Kagoshima Kagoshima Prefectural Culture Center Investigation of Relationship between Modulated Input Signals and RF-DC Power Conversion Efficiency of Rectifier for WiCoPT -- Conversion Efficiency Comparison of CW, FSK, QPSK and 16QAM --
Hiroto Sakaki (Kagoshima Univ.), Satoshi Yoshida (JAXA), Tatsuro Kuwahara, Kenjiro Nishikawa (Kagoshima Univ.), Shigeo Kawasaki (JAXA) MW2013-147
Recently, Wireless Communication and Power Transmission (WiCoPT) has been proposed and devel- oped. This paper investiga... [more] MW2013-147
(Joint) [detail]
Tokyo Kikai-Shinko-Kaikan Bldg. Measured Evaluation of DC Conversion Efficiency with Modulated Signal for WiCoPT Systems -- Conversion Efficiency with FSK, BPSK, QPSK and 16QAM --
Hiroto Sakaki (Kagoshima Univ.), Satoshi Yoshida (JAXA), Kenjiro Nishikawa (Kagoshima Univ.), Shigeo Kawasaki (JAXA)
Recently, the wireless system, which can transfer data and power simultaneously, called "Wireless Communication and Powe... [more]
MW 2013-03-08
Hiroshima Hiroshima Univ. Investigation of Rectifier Operation with Modulated Input Signal for WiCoPT
Hiroto Sakaki (Kagoshima Univ.), Satoshi Yoshida (JAXA), Kenjiro Nishikawa (Kagoshima Univ.), Shigeo Kawasaki (JAXA) MW2012-183
This report presents analysis results of the RF-DC conversion efficiency in a rectifier with FSK modulate input signal. ... [more] MW2012-183
 Results 1 - 15 of 15  /   
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