IEICE Trans

Ryo TAKAHASHI

Joint Multi-Layered User Clustering and Scheduling for Ultra-Dense RAN Using Distributed MIMO Ryo TAKAHASHI Hidenori MATSUO Fumiyuki ADACHI
Publication: Publication Date: 2021/09/01 Vol. E104-B No. 9 pp. 1097-1109 Type of Manuscript: Special Section PAPER (Special Section on Technology Trials and Proof-of-Concept Activities for 5G Evolution and Beyond) Category: Keyword: radio access network, distributed MIMO, interference coordination, user clustering, scheduling,
	Summary \| Full Text:PDF(4.1MB)

Close-Loop Angle Control of Stepper Motor Fed by Power Packets Shiu MOCHIYAMA Ryo TAKAHASHI Takashi HIKIHARA
Publication: Publication Date: 2017/07/01 Vol. E100-A No. 7 pp. 1571-1574 Type of Manuscript: LETTER Category: Systems and Control Keyword: power packet, stepper motor, close-loop control, angle control,
	Summary \| Full Text:PDF(329.3KB)

Power Processing for Advanced Power Distribution and Control Ryo TAKAHASHI Shun-ichi AZUMA Mikio HASEGAWA Hiroyasu ANDO Takashi HIKIHARA
Publication: Publication Date: 2017/06/01 Vol. E100-B No. 6 pp. 941-947 Type of Manuscript: POSITION PAPER Category: Energy in Electronics Communications Keyword: power processing, power packet, quantized control, networking, bio-inspired system, closed system,
	Summary \| Full Text:PDF(3.3MB)

Up-Stream Dispatching of Power by Density of Power Packet Shinya NAWATA Ryo TAKAHASHI Takashi HIKIHARA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2016/12/01 Vol. E99-A No. 12 pp. 2581-2584 Type of Manuscript: LETTER Category: Systems and Control Keyword: power packet, up-stream dispatching, router, power density,
	Summary \| Full Text:PDF(2.3MB)

Active and Reactive Power in Stochastic Resonance for Energy Harvesting Madoka KUBOTA Ryo TAKAHASHI Takashi HIKIHARA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2015/07/01 Vol. E98-A No. 7 pp. 1537-1539 Type of Manuscript: LETTER Category: Noise and Vibration Keyword: stochastic resonance, white Gaussian noise, energy harvesting, active and reactive power, Fokker-Plank equation,
	Summary \| Full Text:PDF(272KB)

Realization of Autonomous Clock Synchronization for Power Packet Dispatching Yanzi ZHOU Ryo TAKAHASHI Takashi HIKIHARA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2015/02/01 Vol. E98-A No. 2 pp. 749-753 Type of Manuscript: LETTER Category: Systems and Control Keyword: system modeling, CPPLL, clock synchronization, power packet,
	Summary \| Full Text:PDF(747.3KB)

Wavelength-Routed Switching for 25-Gbit/s Optical Packets Using a Compact Transmitter Integrating a Parallel-Ring-Resonator Tunable Laser and an InGaAlAs EAM Toru SEGAWA Wataru KOBAYASHI Tatsushi NAKAHARA Ryo TAKAHASHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2014/07/01 Vol. E97-C No. 7 pp. 719-724 Type of Manuscript: INVITED PAPER (Special Section on Opto-electronics and Communications for Future Optical Network) Category: Keyword: tunable laser, electro-absorption modulator, optical packet switching, photonic integrated circuits,
	Summary \| Full Text:PDF(3.3MB)

Performance Evaluation of CDMA Using Chaotic Spreading Sequence with Constant Power in Indoor Power Line Fading Channels Ryo TAKAHASHI Ken UMENO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2014/07/01 Vol. E97-A No. 7 pp. 1619-1622 Type of Manuscript: LETTER Category: Nonlinear Problems Keyword: chaos, CDMA, fading, power line channel,
	Summary \| Full Text:PDF(1.1MB)

A Novel Optoelectronic Serial-to-Parallel Converter for 25-Gbps 32-bit Optical Label Processing Salah IBRAHIM Hiroshi ISHIKAWA Tatsushi NAKAHARA Yasumasa SUZAKI Ryo TAKAHASHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2014/07/01 Vol. E97-C No. 7 pp. 773-780 Type of Manuscript: Special Section PAPER (Special Section on Opto-electronics and Communications for Future Optical Network) Category: Keyword: optical packet switching, optical packet processing, serial-to-parallel converter, optoelectronic integrated circuit,
	Summary \| Full Text:PDF(4.3MB)

State-Dependence of On-Chip Power Distribution Network Capacitance Koh YAMANAGA Shiho HAGIWARA Ryo TAKAHASHI Kazuya MASU Takashi SATO
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2014/01/01 Vol. E97-C No. 1 pp. 77-84 Type of Manuscript: PAPER Category: Integrated Electronics Keyword: CMOS logic circuit, state-dependent capacitance model, capacitance measurement, PDN-capacitance, parasitic capacitance,
	Summary \| Full Text:PDF(2.2MB)

Monolithically Integrated Wavelength-Routing Switch Using Tunable Wavelength Converters with Double-Ring-Resonator Tunable Lasers Toru SEGAWA Shinji MATSUO Takaaki KAKITSUKA Yasuo SHIBATA Tomonari SATO Yoshihiro KAWAGUCHI Yasuhiro KONDO Ryo TAKAHASHI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2011/09/01 Vol. E94-C No. 9 pp. 1439-1446 Type of Manuscript: PAPER Category: Optoelectronics Keyword: monolithic integration, photonic integrated circuits, tunable laser, wavelength conversion, all-optical switch,
	Summary \| Full Text:PDF(3.4MB)

Linear Time Calculation of On-Chip Power Distribution Network Capacitance Considering State-Dependence Shiho HAGIWARA Koh YAMANAGA Ryo TAKAHASHI Kazuya MASU Takashi SATO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2010/12/01 Vol. E93-A No. 12 pp. 2409-2416 Type of Manuscript: Special Section PAPER (Special Section on VLSI Design and CAD Algorithms) Category: Device and Circuit Modeling and Analysis Keyword: capacitance, power distribution network, state-dependency, integrated circuit modeling, electromagnetic interference,
	Summary \| Full Text:PDF(1010.4KB)

Performance Evaluation of Band-Limited Baseband Synchronous CDMA Using Orthogonal ICA Sequences Ryo TAKAHASHI Ken UMENO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2010/03/01 Vol. E93-A No. 3 pp. 577-582 Type of Manuscript: PAPER Category: Nonlinear Problems Keyword: independent component analysis (ICA), chaos, code division multiple access (CDMA), spreading sequence, band-limited signals,
	Summary \| Full Text:PDF(233.9KB)

Performance Analysis of Complex CDMA Using Complex Chaotic Spreading Sequence with Constant Power Ryo TAKAHASHI Ken UMENO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2009/12/01 Vol. E92-A No. 12 pp. 3394-3397 Type of Manuscript: LETTER Category: Nonlinear Problems Keyword: chaos, complex code division multiple access, spreading sequence,
	Summary \| Full Text:PDF(92.8KB)

High-Speed Optical Packet Processing Technologies for Optical Packet-Switched Networks Hirokazu TAKENOUCHI Tatsushi NAKAHARA Kiyoto TAKAHATA Ryo TAKAHASHI Hiroyuki SUZUKI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2005/03/01 Vol. E88-C No. 3 pp. 286-294 Type of Manuscript: INVITED PAPER (Special Section on Optical Signal-Processing Devices for Photonic Networks) Category: Keyword: optical packet switching, optical packet processing, serial-to-parallel converter, parallel-to-serial converter, optical clock-pulse generator, multi-protocol label switching, MPLS,
	Summary \| Full Text:PDF(1.6MB)

40-Gbit/s 16-bit Burst Optical Packet Generator Based on Photonic Parallel-to-Serial Conversion Hirokazu TAKENOUCHI Kiyoto TAKAHATA Tatsushi NAKAHARA Ryo TAKAHASHI Hiroyuki SUZUKI
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2004/05/01 Vol. E87-C No. 5 pp. 825-827 Type of Manuscript: LETTER Category: Optoelectronics Keyword: optical packet generation, parallel-to-serial conversion, packet-switched network, metal-semiconductor-metal photodetector,
	Summary \| Full Text:PDF(742.6KB)