Search Results - "Takei, Ken"

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  1. 1

    Quaternion Model of Higher-Order Rotating Polarization Wave Modulation for High Data Rate M2M LPWAN Communication by Ahmad, Zaid, Hashim, Shaiful Jahari, Rokhani, Fakhrul Zaman, Al-Haddad, Syed Abul Rahman, Sali, Aduwati, Takei, Ken

    Published in Sensors (Basel, Switzerland) (07-01-2021)
    “…With growing interest in Industry 4.0, machine-to-machine communication (M2M) will become the key enabler for low-power wide area networks (LPWANs) in…”
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    Journal Article
  2. 2
  3. 3

    Highly reliable wireless communication system using polarization rotating wave for M2M application by Takei, Ken, Yamada, Hiroki

    Published in Electronics and communications in Japan (01-03-2019)
    “…A new radio system that deterministically uses reflection waves is proposed. This system transfers data on the rotating polarization wave (RPW), which rotates…”
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    Journal Article
  4. 4

    Protonation Structures of Cys-Sulfinic and Cys-Sulfenic Acids in the Photosensitive Nitrile Hydratase Revealed by Fourier Transform Infrared Spectroscopy by Noguchi, Takumi, Nojiri, Masaki, Takei, Ken-ichi, Odaka, Masafumi, Kamiya, Nobuo

    Published in Biochemistry (Easton) (14-10-2003)
    “…Nitrile hydratase (NHase) from Rhodococcus N-771, which catalyzes hydration of nitriles to the corresponding amides, exhibits novel photosensitivity; in the…”
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    Journal Article
  5. 5

    Polarization angle diversity and new digital software radio architecture by Aono, Masahiro, Takei, Ken

    “…We are developing new radio architecture for applying a wireless communication system to controlling and monitoring systems in industrial infrastructure…”
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    Conference Proceeding
  6. 6

    Efficient computational design for an antenna with a finite ground plane by Takei, Ken

    “…An efficient method for computational design for an antenna with a finite ground plane was devised. A matrix equation by means of using voltage flows was…”
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    Conference Proceeding
  7. 7

    Reflection and transmission coefficients of a thin strip grating for antenna application by Ando, M., Ken Takei

    “…Reflection and transmission coefficients of thin strip gratings are discussed for plane wave incidence from arbitrary direction. Upon use of the low-frequency…”
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    Journal Article
  8. 8

    Stochastic analysis for rotating polarization communication with multi-reflection waves in multipath environment by Takei, Ken

    “…To compensate for the phase fluctuation of the arriving wave that experiences many reflections off conducting surfaces, a wireless communication method using a…”
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    Conference Proceeding
  9. 9

    Balanced orthogonal code for polarization angle diversity by Takei, Ken

    Published in 2014 Asia-Pacific Microwave Conference (01-11-2014)
    “…A special code is studied that discriminates finite areas of equal length. This code, which includes an equal number of positive and negative unity bits, has…”
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    Conference Proceeding
  10. 10

    FPC-free LCD panel with capacitive coupling for transmission of signals and power by Furuta, Futoshi, Kageyama, Hiroshi, Takei, Ken, Hatano, Mutsuko, Matsumoto, Katsumi, Maki, Masahiro, Miyazawa, Toshio

    “…— A flexible‐printed‐cable (FPC) free liquid‐crystal‐display (LCD) panel by using a capacitive‐coupling technique has been developed. A QQVGAeight‐color image…”
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    Journal Article
  11. 11

    Computer assisted design to develop functional device and modules for wireless systems by Takei, Ken, Ohnishi, Masami

    Published in 2014 Asia-Pacific Microwave Conference (01-11-2014)
    “…Computer assisted design in conceptional phase is very useful for not only reducing development cost, especially human resource cost, but also creating a novel…”
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    Conference Proceeding
  12. 12

    Polarization angle diversity and quick decodable block code for M2M wireless communication by Aono, Masahiro, Takei, Ken

    Published in 2014 Asia-Pacific Microwave Conference (01-11-2014)
    “…We are developing a new radio architecture for applying a wireless communication system to controlling and monitoring systems in industrial infrastructure…”
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    Conference Proceeding
  13. 13

    62.1L: Late-News Paper: FPC-free Panel with Capacitive Coupling for Transmission of Signal and Power by Furuta, Futoshi, Kageyama, Hiroshi, Takei, Ken, Hatano, Mutsuko, Matsumoto, Katsumi, Maki, Masahiro, Miyazawa, Toshio

    “…We have developed a FPC‐free LTPS‐LCD panel with capacitive coupling and displayed a QQVGA‐eight color static image for the first time, by utilizing our…”
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    Journal Article
  14. 14

    Computational design of power transmission symmetric antenna system by Takei, K.

    “…Computational design of a symmetric antenna system for wireless power transmission is proposed. The pair of antennas, which consist of small conductive…”
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    Conference Proceeding
  15. 15

    Use of adaptive reactance control in optimum antenna design for transmitting power in near-mid ranges by Takei, K.

    Published in 2009 Asia Pacific Microwave Conference (01-12-2009)
    “…To transmit power efficiently thought wireless network in the near-mid range, we propose the use of a novel power transmitting system. The system uses the…”
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    Conference Proceeding
  16. 16

    Channel estimation in rotating polarization based wireless communication systems by Perumal, Theeksha Athoor, Ganti, Radha Krishna, Koilpillai, Ravinder David, Jalihal, Devendra, Ramaiyan, Venkatesh, Takei, Ken

    “…In a slow fading/fixed environment, a deep fade might last for several symbol durations, and all the transmissions during such a deep fade become highly…”
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    Conference Proceeding
  17. 17

    An Experimental Study of Passive UHF RFID System with Longer Communication Range by Matsumoto, H., Takei, K.

    Published in 2007 Asia-Pacific Microwave Conference (01-12-2007)
    “…Radio-frequency identification (RFID) systems are useful for reducing costs in supply chains. The communication range between the reader and the tag is one of…”
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    Conference Proceeding
  18. 18

    Low profile antenna for mobile devices by Shirakawa, Y., Fukuchi, K., Takei, K.

    Published in 2009 Asia Pacific Microwave Conference (01-12-2009)
    “…A topology for low profile antenna composed of two open stubs and a quarter wavelength transformer on a ground plane, and a prototype of low profile antenna…”
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    Conference Proceeding
  19. 19

    Auto Search Algorithm for Antenna Structure by Gradient Method Combined with Method of Moment by Takei, K., Ikegaya, M.

    “…We propose a novel antenna design method consisting of the gradient method and method of moment is proposed. An antenna structure is represented by the…”
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    Conference Proceeding
  20. 20

    Increment-Decrement Algorithm for Compact Circularly Polarized Antenna by Takei, K., Ogawa, T.

    “…Introducing leaky loss transmission line theory, a novel design method of circularly polarized antenna is proposed. The principle of this method is that two…”
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    Conference Proceeding