Takayuki YAMA


Experimental Validation of Digital Pre-distortion Technique for Dual-band Dual-signal Amplification by Single Feedback Architecture Employing Dual-band Mixer
Ikuma ANDO Gia Khanh TRAN Kiyomichi ARAKI Takayuki YAMADA Takana KAHO Yo YAMAGUCHI Tadao NAKAGAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/03/01
Vol. E98-C  No. 3  pp. 242-251
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
User Centric Wireless Networknonlinear power amplifiersspectral regrowthdigital predistortiondual-band mixer
 Summary | Full Text:PDF

Optimization of Learning Time for Learning-Assisted Rendezvous Channel in Cognitive Radio System
Osamu TAKYU Takayuki YAMAKITA Takeo FUJII Mai OHTA Fumihito SASAMORI Shiro HANDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/02/01
Vol. E98-B  No. 2  pp. 360-369
Type of Manuscript:  PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
cognitive radiorendezvous channelChannel Occupancy Rate (COR)
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Nonlinear Modeling and Analysis on Concurrent Amplification of Dual-Band Gaussian Signals
Ikuma ANDO GiaKhanh TRAN Kiyomichi ARAKI Takayuki YAMADA Takana KAHO Yo YAMAGUCHI Kazuhiro UEHARA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/10/01
Vol. E96-C  No. 10  pp. 1254-1262
Type of Manuscript:  Special Section PAPER (Special Section on Emerging Technologies and Applications for Microwave and Millimeter-Wave Systems)
Category: 
Keyword: 
nonlinear power amplifierspectral regrowthACPREVMOFDMcomplex Gaussian distributionFlexible Wireless SystemVolterra series expansiongeneral Wiener model
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Signal Separation and Reconstruction Method for Simultaneously Received Multi-System Signals in Flexible Wireless System
Takayuki YAMADA Doohwan LEE Hiroyuki SHIBA Yo YAMAGUCHI Kazunori AKABANE Kazuhiro UEHARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/04/01
Vol. E95-B  No. 4  pp. 1085-1092
Type of Manuscript:  Special Section PAPER (Special Section on Cognitive Radio and Heterogeneous Wireless Networks in Conjunction with Main Topics of CrownCom2011)
Category: 
Keyword: 
Flexible Wireless Systemsignal separationsignal reconstructionshort-time Fourier transform
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Long-Reach 100 Gbit Ethernet Light Source Based on 425-Gbit/s 1.3-µm InGaAlAs EADFB Lasers
Takeshi FUJISAWA Kiyoto TAKAHATA Takashi TADOKORO Wataru KOBAYASHI Akira OHKI Naoki FUJIWARA Shigeru KANAZAWA Takayuki YAMANAKA Fumiyoshi KANO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/07/01
Vol. E94-C  No. 7  pp. 1167-1172
Type of Manuscript:  Special Section PAPER (Joint Special Section on Opto-electronics and Communications for Future Optical Network)
Category: 
Keyword: 
100 Gbit Ethernetelectroabsorption modulatortransmitter optical subassemblycan-type package
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Combined Nyquist and Compressed Sampling Method for Radio Wave Data Compression of a Heterogeneous Network System
Doohwan LEE Takayuki YAMADA Hiroyuki SHIBA Yo YAMAGUCHI Kazuhiro UEHARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/12/01
Vol. E93-B  No. 12  pp. 3238-3247
Type of Manuscript:  Special Section PAPER (Special Section on Wireless Distributed Networks)
Category: 
Keyword: 
compressed sensingcompressive samplingheterogeneous network systeml1-minimizationcognitive radio
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Frame Length Control for Wireless LANs in Fast Mobile Environments
Ryoichi SHINKUMA Takayuki YAMADA Tatsuro TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/07/01
Vol. E91-A  No. 7  pp. 1580-1588
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
fast-mobile environmentroad-vehicle communicationwireless local area networkrelative speedframe length
 Summary | Full Text:PDF

Performance Evaluation of Inter-Vehicle Packet Relay for Road-Vehicle Communication in Fast Mobile Environment
Takayuki YAMADA Ryoichi SHINKUMA Tatsuro TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/09/01
Vol. E90-B  No. 9  pp. 2552-2561
Type of Manuscript:  PAPER
Category: Terrestrial Radio Communications
Keyword: 
road-vehicle communicationinter-vehicle communicationrelative mobile speedpropagation modelperformance evaluation
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Channel Quality Improvement by Inter-Vehicle Packet Relay in Road Vehicle Communication Systems
Takayuki YAMADA Ryoichi SHINKUMA Tatsuro TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/02/01
Vol. E90-B  No. 2  pp. 425-428
Type of Manuscript:  LETTER
Category: Terrestrial Radio Communications
Keyword: 
road-vehicle communicationinter-vehicle communicationrelative mobile speedDoppler shift
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Improvement of TCP Throughput by Combination of Data and ACK Packets in Ad Hoc Networks
Taichi YUKI Takayuki YAMAMOTO Masashi SUGANO Masayuki MURATA Hideo MIYAHARA Takaaki HATAUCHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/09/01
Vol. E87-B  No. 9  pp. 2493-2499
Type of Manuscript:  Special Section PAPER (Special Section on Networking Technologies for Mobile Internet Systems)
Category: Ad Hoc Network
Keyword: 
ad hoc networkTCPcollisionthroughputsimulation
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Performance Improvement of an Ad Hoc Network System for Wireless Data Service
Takayuki YAMAMOTO Masashi SUGANO Masayuki MURATA Takaaki HATAUCHI Yohei HOSOOKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/12/01
Vol. E86-B  No. 12  pp. 3559-3568
Type of Manuscript:  PAPER
Category: Terrestrial Radio Communications
Keyword: 
ad hoc wireless networkrouting protocolsimulationanalysis
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A Cell Synthesis Method for Salicide Process Using Assignment Graph
Kazuhisa OKADA Takayuki YAMANOUCHI Takashi KAMBE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/12/25
Vol. E83-A  No. 12  pp. 2577-2583
Type of Manuscript:  Special Section PAPER (Special Section on VLSI Design and CAD Algorithms)
Category: Layout Synthesis
Keyword: 
celllayoutsynthesissalicideassignment graph
 Summary | Full Text:PDF

A Multiple-Valued Immune Network and Its Applications
Zheng TANG Takayuki YAMAGUCHI Koichi TASHIMA Okihiko ISHIZUKA Koichi TANNO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/06/25
Vol. E82-A  No. 6  pp. 1102-1108
Type of Manuscript:  PAPER
Category: Neural Networks
Keyword: 
multiple-valuedimmune networkimmune responsepattern recognition
 Summary | Full Text:PDF

Rectilinear Shape Formation Method on Block Placement
Kazuhisa OKADA Takayuki YAMANOUCHI Takashi KAMBE 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/03/25
Vol. E81-A  No. 3  pp. 446-454
Type of Manuscript:  Special Section PAPER (Special Section of Selected Papers from the 10th Karuizawa Workshop on Circuits and Systems)
Category: 
Keyword: 
floorplanrectilinearsoft blockplacement
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LSI Neural Chip of Pulse-Output Network with Programmable Synapse
Shigeo SATO Manabu YUMINE Takayuki YAMA Junichi MUROTA Koji NAKAJIMA Yasuji SAWADA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1995/01/25
Vol. E78-C  No. 1  pp. 94-100
Type of Manuscript:  PAPER
Category: Integrated Electronics
Keyword: 
neurochippulseanalogprogrammable synapse
 Summary | Full Text:PDF