Takayuki KOBAYASHI


Optical DP-High Order-QAM Transmission System for High-Speed Short Links Utilizing Copropagating Twin Local Lights
Hiroto KAWAKAMI Takayuki KOBAYASHI Yutaka MIYAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/08/01
Vol. E99-B  No. 8  pp. 1799-1804
Type of Manuscript:  Special Section PAPER (Special Section on Advanced Information and Communication Technologies and Services in Conjunction with Main Topics of APCC2015)
Category: Transmission Systems and Transmission Equipment for Communications
Keyword: 
QAMdigital coherent detectionphase noiselinewidth
 Summary | Full Text:PDF(1.3MB)

Wide-Range and Fast-Tracking Non-Data-Aided Frequency Offset Estimator for QAM Optical Coherent Receivers
Tadao NAKAGAWA Takayuki KOBAYASHI Koichi ISHIHARA Yutaka MIYAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/07/01
Vol. E99-B  No. 7  pp. 1416-1425
Type of Manuscript:  PAPER
Category: Fiber-Optic Transmission for Communications
Keyword: 
optical fiber communicationoptical receiversquadrature amplitude modulationdigital signal processingfrequency offset estimation
 Summary | Full Text:PDF(2MB)

A Band-Divided Receiver Prototype for Wideband Optical Signals
Munehiro MATSUI Riichi KUDO Yasushi TAKATORI Tadao NAKAGAWA Koichi ISHIHARA Masato MIZOGUCHI Takayuki KOBAYASHI Yutaka MIYAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/07/01
Vol. E94-B  No. 7  pp. 1801-1808
Type of Manuscript:  Special Section PAPER (Joint Special Section on Opto-electronics and Communications for Future Optical Network)
Category: 
Keyword: 
coherent receiveranalog to digital converterOFDMreal-timeheterodyne receiver
 Summary | Full Text:PDF(1.4MB)

Ultra-High Capacity Optical Transmission Technologies for 100 Tbit/s Optical Transport Networks
Akihide SANO Takayuki KOBAYASHI Eiji YOSHIDA Yutaka MIYAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/02/01
Vol. E94-B  No. 2  pp. 400-408
Type of Manuscript:  INVITED PAPER (Special Section on Extremely Advanced Optical Transmission Technologies and Transmission Optical Fiber Technologies towards Exabit Era)
Category: 
Keyword: 
coherent optical communicationmulti-level modulationQAMRaman amplification
 Summary | Full Text:PDF(1.5MB)

Frequency-Domain Equalization for Coherent Optical Single-Carrier Transmission Systems
Koichi ISHIHARA Takayuki KOBAYASHI Riichi KUDO Yasushi TAKATORI Akihide SANO Yutaka MIYAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/12/01
Vol. E92-B  No. 12  pp. 3736-3743
Type of Manuscript:  PAPER
Category: Fiber-Optic Transmission for Communications
Keyword: 
frequency-domain equalization (FDE)coherent optical transmissionchromatic dispersion (CD)polarization mode dispersion (PMD)digital signal processing (DSP)
 Summary | Full Text:PDF(2.6MB)

Fabrication and Properties of Planar Intrinsic Josephson Junctions with In-Plane Aligned YBCO Films
Lan ZHANG Masataka MORIYA Takayuki KOBAYASHI Masashi MUKAIDA Toshinari GOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/03/01
Vol. E85-C  No. 3  pp. 764-768
Type of Manuscript:  Special Section PAPER (Special Issue on Superconductive Electronics)
Category: Junctions and Processing
Keyword: 
YBCO filmsLSGO substratesin-plane alignmentintrinsic Josephson effects
 Summary | Full Text:PDF(795KB)

Improvement of Vcc Margin in a Reference Voltage Generator for Megabit DRAMs
Takayuki KOBAYASHI Koji SAKUI Masaki MOMODOMI Sadayuki YOKOYAMA Yasuo ITOH Mitsugi OGURA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1986/04/25
Vol. E69-E  No. 4  pp. 270-271
Type of Manuscript:  Special Section LETTER (Special Issue: Papers from 1986 National Convention IECE Japan)
Category: Silicon Devices and Integrated Circuits
Keyword: 
 Summary | Full Text:PDF(130.4KB)