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Dive into the research topics where Shigenori Hayase is active.

Publication


Featured researches published by Shigenori Hayase.


IEEE Photonics Technology Letters | 2005

Performance of chromatic dispersion monitoring using statistical moments of asynchronously sampled waveform histograms

Nobuhiko Kikuchi; Shigenori Hayase; Kenro Sekine; Shinya Sasaki

The performance of the chromatic dispersion monitoring method using statistical moments of asynchronously sampled waveform histograms is investigated in detail. We show its robustness against signal-to-noise ratio degradation and its wide monitoring range using experiments and a newly developed numerical simulation method. We also show the effectiveness of radio frequency bandwidth reduction of the waveform monitor to widen its monitoring range, and also estimate its performance with duobinary and return-to-zero modulation formats.


Electronics Letters | 2005

40 Gbit/s, 16-ary (4 bit/symbol) optical modulation/demodulation scheme

Kenro Sekine; Nobuhiko Kikuchi; Shinji Sasaki; Shigenori Hayase; Chie Hasegawa; Toshiki Sugawara


Archive | 2007

Systems and methods for wireless communication

Shinji Murai; Tomoaki Ishifuji; Takashi Yano; Masaaki Shida; Shigenori Hayase


Archive | 2002

Wavelength-multiplexed narrow-bandwidth optical transmitter and wavelength-multiplexed vestigial-side-band optical transmitter

Nobuhiko Kikuchi; Shigenori Hayase; Ryoji Takeyari


Archive | 2003

Signal waveform deterioration compensator

Nobuhiko Kikuchi; Shigenori Hayase


Archive | 2007

Wireless communication method, wireless communication apparatus and access point apparatus

Keisuke Yamamoto; Shigenori Hayase; Masaaki Shida


Archive | 2006

Wireless data communication system, wireless data communication method and communication apparatus

Shigenori Hayase; Shinji Murai; Tomoaki Ishifuji


Archive | 2005

Communication control method, and wireless communications system and access point using the same

Shigenori Hayase; Tomoaki Ishido; Masaaki Shida; Yusuke Uchida; 裕介 内田; 雅昭 志田; 茂規 早瀬; 智昭 石藤


Archive | 2008

Method for selecting frequency channel in train radio communication system and on-board radio terminal

Shigenori Hayase; Shinji Murai; Takeshi Tamaki; Ryota Yamazaki; 良太 山崎; 茂規 早瀬; 真治 村井; 剛 玉木


Archive | 2003

Signal waveform deterioration compensating apparatus

Shigenori Hayase; Nobuhiko Kikuchi; 茂規 早瀬; 信彦 菊池

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