Ken-ichi KITAYAMA


Nonlinear-Error-Free Optical Quantization Using Dense Spectral Slicing
Takahiro KODAMA Ryosuke MATSUMOTO Akihiro MARUTA Tsuyoshi KONISHI Ken-ichi KITAYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/03/01
Vol. E99-B  No. 3  pp. 647-653
Type of Manuscript:  PAPER
Category: Fiber-Optic Transmission for Communications
Keyword: 
arrayed waveguide devicesnonlinear optical signal processingnonlinear optics fibers
 Summary | Full Text:PDF(2MB)

Quadrature-Phase-Shift-Keying Radio-over-Fiber Transmission for Coherent Optical and Radio Seamless Networks
Atsushi KANNO Pham TIEN DAT Toshiaki KURI Iwao HOSAKO Tetsuya KAWANISHI Yoshihiro YASUMURA Yuki YOSHIDA Ken-ichi KITAYAMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/02/01
Vol. E96-C  No. 2  pp. 156-162
Type of Manuscript:  INVITED PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Photonics Technology)
Category: 
Keyword: 
radio over fiberdigital signal processingcoherent detectionmillimeter-wave radio
 Summary | Full Text:PDF(2.1MB)

Wavelength Conversion Characteristics of SOA-MZI Based All-Optical NRZ-OOK/RZ-BPSK Modulation Format Converter
Suresh M. NISSANKA Ken MISHINA Akihiro MARUTA Shunsuke MITANI Kazuyuki ISHIDA Katsuhiro SHIMIZU Tatsuo HATTA Ken-ichi KITAYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/07/01
Vol. E91-B  No. 7  pp. 2160-2164
Type of Manuscript:  Special Section PAPER (Joint Special Section on Opto-electronics and Communications toward NGN and beyond)
Category: 
Keyword: 
semiconductor optical amplifiermodulation format converterwavelength converterMach-Zehnder interferometerBinary Phase Shift Keying (BPSK)
 Summary | Full Text:PDF(732.5KB)

FWM-Aware Dynamic Routing and Wavelength Assignment for Wavelength-Routed Optical Networks
Adelys MARSDEN Akihiro MARUTA Ken-ichi KITAYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/07/01
Vol. E91-B  No. 7  pp. 2145-2151
Type of Manuscript:  Special Section PAPER (Joint Special Section on Opto-electronics and Communications toward NGN and beyond)
Category: 
Keyword: 
dynamic lightpath establishmentimpairment constraint based routingfour-wave mixingperformance evaluation
 Summary | Full Text:PDF(743.4KB)

A Traffic Reduction Method for Centralized RSSI-Based Location Estimation in Wireless Sensor Networks
Radim ZEMEK Shinsuke HARA Kentaro YANAGIHARA Ken-ichi KITAYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/06/01
Vol. E91-B  No. 6  pp. 1842-1851
Type of Manuscript:  PAPER
Category: Network
Keyword: 
IEEE 802.15.4RSSIlocation estimationmaximum likelihood estimationtraffic reducing method
 Summary | Full Text:PDF(819.8KB)

Effect of Walking People on Target Location Estimation Performance in an IEEE 802.15.4 Wireless Sensor Network
Radim ZEMEK Masahiro TAKASHIMA Dapeng ZHAO Shinsuke HARA Kentaro YANAGIHARA Kiyoshi FUKUI Shigeru FUKUNAGA Ken-ichi KITAYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/10/01
Vol. E90-B  No. 10  pp. 2809-2816
Type of Manuscript:  PAPER
Category: Network
Keyword: 
IEEE 802.15.4RSSIlocation estimationCramer-Rao boundmaximum likelihood estimation
 Summary | Full Text:PDF(950.4KB)

FOREWORD
Ken-ichi KITAYAMA Ampalavanapillai (Thas) NIRMALATHAS Kimio OGUCHI Fumio KOYAMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/05/01
Vol. E88-C  No. 5  pp. 857-858
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(135.4KB)

FOREWORD
Ken-ichi KITAYAMA T.A. NIRMALATHAS Kimio OGUCHI Fumio KOYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/05/01
Vol. E88-B  No. 5  pp. 1852-1852
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(22.5KB)

Scheduling Algorithm with Consideration to Void Space Reduction in Photonic Packet Switch
Takashi YAMAGUCHI Ken-ichi BABA Masayuki MURATA Ken-ichi KITAYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/08/01
Vol. E86-B  No. 8  pp. 2310-2318
Type of Manuscript:  Special Section PAPER (Special Issue on Photonic IP Network Technologies for Next Generation Broadband Access)
Category: 
Keyword: 
WDMphotonic packet switchFDL buffervariable length size packetpacket scheduling algorithm
 Summary | Full Text:PDF(693KB)

FOREWORD
Ken-ichi KITAYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/08/01
Vol. E86-B  No. 8  pp. 2261-2262
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(42.1KB)

Novel Channel-Selection Scheme of Dense Wavelength Division Multiplexed Millimeter-Wave-Band Radio-on-Fiber Signals with Optical Heterodyne Detection
Toshiaki KURI Ken-ichi KITAYAMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/07/01
Vol. E86-C  No. 7  pp. 1146-1152
Type of Manuscript:  Special Section PAPER (Special Issue on Recent Progress in Microwave and Millimeter-wave Photonics Technologies)
Category: Photonic Links for Wireless Communications
Keyword: 
radio on fiber (ROF)dense wavelength division multiplexing (DWDM)optical heterodyne detectiondual-mode local lightlaser phase noise
 Summary | Full Text:PDF(650.9KB)

Full-Duplex Transmission Using 2-RF-Port Electroabsorption Transceiver with Photonic Up- and Downconversions for Millimeter-Wave Radio-on-Fiber System
Kensuke IKEDA Toshiaki KURI Yoshiro TAKAHASHI Ken-ichi KITAYAMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/07/01
Vol. E86-C  No. 7  pp. 1138-1145
Type of Manuscript:  Special Section PAPER (Special Issue on Recent Progress in Microwave and Millimeter-wave Photonics Technologies)
Category: Photonic Links for Wireless Communications
Keyword: 
radio on fiber (ROF)electroabsorption transceiver (EAT)chromatic fiber dispersionmillimeter-wave communicationphotonic upconversionphotonic downconversionmicrowave photonics
 Summary | Full Text:PDF(955.5KB)

High-Speed 2-D Parallel Optical Interconnects Using Image Fibers with VCSEL/PD Arrays
Moriya NAKAMURA Ken-ichi KITAYAMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/03/01
Vol. E84-C  No. 3  pp. 282-287
Type of Manuscript:  Special Section PAPER (Special Issue on Optical Interconnects/Optical Signal Processing)
Category: Optical Interconnection Systems
Keyword: 
image fiberVCSELoptical interconnect2-D parallel transmission
 Summary | Full Text:PDF(705.6KB)

Optical Code Based Label Swapping for Photonic Routing
Hideyuki SOTOBAYASHI Ken-ichi KITAYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/10/25
Vol. E83-B  No. 10  pp. 2341-2347
Type of Manuscript:  Special Section PAPER (Special Issue on Advanced Internetworking based on Photonic Network Technologies)
Category: 
Keyword: 
label swappingphotonic routeroptical code division multiplexingphotonic processingoptical soliton
 Summary | Full Text:PDF(715.2KB)

Optical Code Division Multiplexing (OCDM) and Its Applications to Photonic Networks
Ken-ichi KITAYAMA Hideyuki SOTOBAYASHI Naoya WADA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/12/25
Vol. E82-A  No. 12  pp. 2616-2626
Type of Manuscript:  INVITED PAPER (Special Section on Spread Spectrum Techniques and Applications)
Category: 
Keyword: 
optical communicationcode division multiplexingwireless CDMAmultiple accessoptical network
 Summary | Full Text:PDF(1MB)

Thresholding Characteristics of an Optically Addressable GaAs-pin/Ferroelectric Liquid Crystal Spatial Light Modulator and Its Applications
Masashi HASHIMOTO Yukio FUKUDA Shigeki ISHIBASHI Ken-ichi KITAYAMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1992/11/25
Vol. E75-C  No. 11  pp. 1395-1398
Type of Manuscript:  LETTER
Category: Opto-Electronics
Keyword: 
optoelectronicsoptically addressable spatial light modulatorGaAs pin photodiodeferroelectric liquid crystaloptical information processing
 Summary | Full Text:PDF(276.6KB)

Distortion Free Reconstruction through Phase Conjugation of Holographic Image in Photorefractive Crystal Waveguide
Fumihiko ITO Ken-ichi KITAYAMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1992/06/25
Vol. E75-C  No. 6  pp. 741-743
Type of Manuscript:  LETTER
Category: Opto-Electronics
Keyword: 
photorefracive crystalsholographic memoriesphase conjugation mirror
 Summary | Full Text:PDF(300.8KB)