Katsutoshi TSUKAMOTO


Analysis of Wireless Channel Capacity in RoF-DAS over WDM-PON System
Tatsuhiko IWAKUNI Kenji MIYAMOTO Takeshi HIGASHINO Katsutoshi TSUKAMOTO Shozo KOMAKI Takayoshi TASHIRO Youichi FUKADA Jun-ichi KANI Naoto YOSHIMOTO Katsumi IWATSUKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/02/01
Vol. E96-C  No. 2  pp. 171-179
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Photonics Technology)
Category: 
Keyword: 
RoFDASbackhaul networkOTDMWDM-PONMIMO
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FOREWORD
Katsutoshi TSUKAMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/02/01
Vol. E96-C  No. 2  pp. 137-137
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF

Performance Evaluation of an Advanced DWDM RoFSO System for Transmitting Multiple RF Signals
Abdelmoula BEKKALI Pham Tien DAT Kamugisha KAZAURA Kazuhiko WAKAMORI Mitsuji MATSUMOTO Takeshi HIGASHINO Katsutoshi TSUKAMOTO Shozo KOMAKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/11/01
Vol. E92-A  No. 11  pp. 2697-2705
Type of Manuscript:  Special Section PAPER (Special Section on Wideband Systems)
Category: 
Keyword: 
Radio on Free Space Optics (RoFSO)Radio over Fiber (RoF)W-CDMAISDB-TWLAN
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VoIP Session Capacity Expansion with Packet Transmission Suppression Control in Wireless LAN
Yasufumi MORIOKA Takeshi HIGASHINO Katsutoshi TSUKAMOTO Shozo KOMAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/04/01
Vol. E92-B  No. 4  pp. 1144-1152
Type of Manuscript:  Special Section PAPER (Special Section on Internet Technology and its Architecture for Ambient Information Systems)
Category: 
Keyword: 
VoIPwirelss LANcapacity expansionpacket suppression
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AP Selection Algorithm for Real-Time Communications through Mixed WLAN Environments
Yasufumi MORIOKA Takeshi HIGASHINO Katsutoshi TSUKAMOTO Shozo KOMAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/10/01
Vol. E91-B  No. 10  pp. 3077-3084
Type of Manuscript:  Special Section PAPER (Special Section on Next-Generation Mobile Multimedia Communications)
Category: 
Keyword: 
AP selectionIEEE802.11eload balancingeMOSQoS
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Proposal of Two-Dimensional Self-Matching Receiver Using Chaotic Spatial Synchronization for Free Space Optics Communication System and Its Application to Image Transmission and Code Division Multiplexing
Shinya TAKEDA Takeshi HIGASHINO Katsutoshi TSUKAMOTO Shozo KOMAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/02/01
Vol. E90-C  No. 2  pp. 389-396
Type of Manuscript:  Special Section PAPER (Special Section on Evolution of Microwave and Millimeter-Wave Photonics Technology)
Category: 
Keyword: 
image transmissionintensity patternself-matching receiverchaotic spatial synchronizationprojection system
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Performance Improvement of RoF Ubiquitous Antenna System Using Sub-Carrier Resource Management
Hong Hai LUONG Katsutoshi TSUKAMOTO Shozo KOMAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/02/01
Vol. E90-C  No. 2  pp. 373-380
Type of Manuscript:  Special Section PAPER (Special Section on Evolution of Microwave and Millimeter-Wave Photonics Technology)
Category: 
Keyword: 
Radio-on-Fiber (RoF)ubiquitous antenna systemsub-carrier resource managementorthogonal frequency division multiple access (OFDMA)orthogonal frequency and space division multiple access (OFSDMA) system
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Proposal of Switching Speed Reduction Method Using Chaotic Spreading Sequence in Direct Optical Switching CDMA Radio-on-Fiber Network and Its Experimental Investigation
Takeshi HIGASHINO Katsutoshi TSUKAMOTO Shozo KOMAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/07/01
Vol. E88-C  No. 7  pp. 1475-1482
Type of Manuscript:  Special Section PAPER (Special Section on Recent Technologies of Microwave and Millimeter-Wave Devices Focusing on Miniaturization and Advancement in Performance with Their Applications)
Category: Communication Systems
Keyword: 
radio on fiberbandpass samplingcode division multiple accesschaotic spreading sequenceM-sequence
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Adaptive Resource Allocation for Video Stream Based on Video Stream Character and User Mobility in Wireless LAN
Yuki MINODA Katsutoshi TSUKAMOTO Shozo KOMAKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/07/01
Vol. E88-A  No. 7  pp. 1881-1888
Type of Manuscript:  Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: Wireless Communication Technology
Keyword: 
radio resource managementradio agentuser mobilitydwell timespot radio access
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Application of Adaptive Modulation for Road-to-Vehicle Communication System and Its Improved Effect in Shadowing Duration
Masataka IMAO Katsutoshi TSUKAMOTO Shozo KOMAKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/10/01
Vol. E87-A  No. 10  pp. 2639-2648
Type of Manuscript:  Special Section PAPER (Special Section on Wide Band Systems)
Category: 
Keyword: 
road-to-vehicle communication (RVC)shadowingradio diffractionadaptive modulationrandom traffic flow
 Summary | Full Text:PDF

Dynamic Resource Assignment Scheme in Mesh-Topology Millimeter-Wave Broadband Entrance Networks
Jaturong SANGIAMWONG Katsutoshi TSUKAMOTO Shozo KOMAKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2004/10/01
Vol. E87-A  No. 10  pp. 2668-2675
Type of Manuscript:  Special Section PAPER (Special Section on Wide Band Systems)
Category: 
Keyword: 
broadband entrance networkdynamic resource assignmentlinear programmingcentralized control
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Link Quality-Based Path Selection Scheme in Millimeter-Wave Broadband Entrance Network for Wireless Heterogeneous Systems
Jaturong SANGIAMWONG Katsutoshi TSUKAMOTO Shozo KOMAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/05/01
Vol. E87-B  No. 5  pp. 1219-1226
Type of Manuscript:  Special Section PAPER (Special Section on Mobile Multimedia Communications)
Category: Wireless LAN
Keyword: 
wireless heterogeneous systemsroute availabilitypath selection algorithmadaptive modulation
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Adaptive Wireless Transmission Scheme Considering Stay Time in Spot Mobile Access
Yuki MINODA Katsutoshi TSUKAMOTO Shozo KOMAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/05/01
Vol. E87-B  No. 5  pp. 1235-1241
Type of Manuscript:  Special Section PAPER (Special Section on Mobile Multimedia Communications)
Category: Wireless LAN
Keyword: 
adaptive transmissionwireless communicationsradio resource managementspot access systemradio agent
 Summary | Full Text:PDF

The Effects of Varying Soft Handoff Thresholds in Cellular CDMA System
Bongkarn HOMNAN Watit BENJAPOLAKUL Katsutoshi TSUKAMOTO Shozo KOMAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/04/01
Vol. E87-B  No. 4  pp. 807-815
Type of Manuscript:  PAPER
Category: Fundamental Theories
Keyword: 
soft handoffcode division multiple access (CDMA)forward-link capacityload balance equationcell-breathing
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Investigation of RoF Link Noise Influence in Ubiquitous Antenna System
Shutai OKAMURA Minoru OKADA Katsutoshi TSUKAMOTO Shozo KOMAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/08/01
Vol. E86-C  No. 8  pp. 1527-1535
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter Wave Technology)
Category: 
Keyword: 
ubiquitous antenna systemradio-on-fiberoptical link noisejoint detectionwireless LAN
 Summary | Full Text:PDF

Macrodiversity Effect Using ROF Ubiquitous Antenna Architecture in Wireless CDMA System
Hideaki OHTSUKI Katsutoshi TSUKAMOTO Shozo KOMAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/07/01
Vol. E86-C  No. 7  pp. 1197-1202
Type of Manuscript:  Special Section PAPER (Special Issue on Recent Progress in Microwave and Millimeter-wave Photonics Technologies)
Category: Photonics for Antenna Systems
Keyword: 
ROFubiquitous antenna systemmacrodiversityRAKE reception
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An Experimental Investigation of Interference Suppression in Direct Optical Switching CDM Radio-on-Fiber System
Takeshi HIGASHINO Katsutoshi TSUKAMOTO Shozo KOMAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/07/01
Vol. E86-C  No. 7  pp. 1159-1166
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: 
microwave photonicsradio on fiber (ROF)CDMinterference suppressionoptical polarity reversing correlator
 Summary | Full Text:PDF

Theoretical Consideration of Nonlinear Compensation Method for Minimizing High-Order Intermodulation Distortion Nonlinear Compensation in a Direct Optical FM RoF System
Akihiko MURAKOSHI Katsutoshi TSUKAMOTO Shozo KOMAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/07/01
Vol. E86-C  No. 7  pp. 1167-1174
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)optical FMoptical frequency discriminator (OFD)intermodulation distortion
 Summary | Full Text:PDF

Nonlinear Distortion Suppression Scheme in Optical Direct FM Radio-on-Fiber System
Kazuo KUMAMOTO Katsutoshi TSUKAMOTO Shozo KOMAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/05/01
Vol. E84-C  No. 5  pp. 541-546
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Recent Progress in Optoelectronics and Communications)
Category: Optical Systems and Technologies
Keyword: 
radio on fiberSCMDFM-LDOFD3rd order intermodulation distortion
 Summary | Full Text:PDF

Nonlinear Distortion Suppression Scheme in Optical Direct FM Radio-on-Fiber System
Kazuo KUMAMOTO Katsutoshi TSUKAMOTO Shozo KOMAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/05/01
Vol. E84-B  No. 5  pp. 1167-1172
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Recent Progress in Optoelectronics and Communications)
Category: Optical Systems and Technologies
Keyword: 
radio on fiberSCMDFM-LDOFD3rd order intermodulation distortion
 Summary | Full Text:PDF

Proposal of Radio-over-Fiber Systems Using Cascaded Radio-to-Optic Direct Conversion Scheme
Pat SUWONPANICH Katsutoshi TSUKAMOTO Shozo KOMAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/08/25
Vol. E83-B  No. 8  pp. 1766-1774
Type of Manuscript:  Special Section PAPER (Special Issue on Personal, Indoor and Mobile Radio Communications)
Category: 
Keyword: 
radio-to-optic direct conversionradio-over-fiber systemscascade linkheterodyne detectionself-heterodyne detection
 Summary | Full Text:PDF

Proposal of Higher-Order Spread Spectrum Direct Optical Switching CDMA System
Kazuo KUMAMOTO Katsutoshi TSUKAMOTO Shozo KOMAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/08/25
Vol. E83-B  No. 8  pp. 1753-1765
Type of Manuscript:  Special Section PAPER (Special Issue on Personal, Indoor and Mobile Radio Communications)
Category: 
Keyword: 
microwave photonicsradio-over-fiber systemoptical CDMAhigher-order samplingspectral aliasing
 Summary | Full Text:PDF

Proposal of Power and Modulation Level Controlled Radio Entrance Network for Wireless ATM Access
Masahiro NISHI Katsutoshi TSUKAMOTO Shozo KOMAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/12/25
Vol. E81-B  No. 12  pp. 2296-2302
Type of Manuscript:  Special Section PAPER (Special Issue on the Latest Development of Telecommunication Research)
Category: Transmission and Modulation
Keyword: 
wireless ATM accessradio entrance linkpower and modulation level controlled radio methodinterference
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Proposal of Chirp Multiplexing Transform/Intensity Modulation/Direct Detection System for Radio Highway Networks
Yozo SHOJI Katsutoshi TSUKAMOTO Shozo KOMAKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/07/25
Vol. E81-A  No. 7  pp. 1396-1405
Type of Manuscript:  Special Section PAPER (Special Section on Fundamentals of Multi-dimensional Mobile Information Network)
Category: 
Keyword: 
chirp multiplexing transformFDM-to-TDM conversionroutingradio highway networksfiber-optic microcellular systems
 Summary | Full Text:PDF

Proposal of Direct Optical Switching CDMA for Cable-To-The-Air System and Its Performance Analysis
Sangjo PARK Katsutoshi TSUKAMOTO Shozo KOMAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/06/25
Vol. E81-B  No. 6  pp. 1188-1196
Type of Manuscript:  PAPER
Category: Optical Communication
Keyword: 
microwave photonicsradio over fiber systemCATVoptical CDMA
 Summary | Full Text:PDF

Polarity-Reversing Type Photonic Receiving Scheme for Optical CDMA Signal in Radio Highway
Sangjo PARK Katsutoshi TSUKAMOTO Shozo KOMAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1998/03/25
Vol. E81-C  No. 3  pp. 462-467
Type of Manuscript:  LETTER
Category: Semiconductor Materials and Devices
Keyword: 
radio highwayCDMAoptical polarity reversed correlatorbipolar code sequence
 Summary | Full Text:PDF

Proposal of the Radio High-Way Networks Using Asynchronous Time Division Multiple Access
Yozo SHOJI Katsutoshi TSUKAMOTO Shozo KOMAKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1996/03/25
Vol. E79-B  No. 3  pp. 308-315
Type of Manuscript:  Special Section PAPER (Special Issue on Advanced Adaptive Radio Communication Technologies)
Category: Access, Network
Keyword: 
microcellular systemoptmicrowave techniqueradiohighway networksasynchronous time division multiple accessoptic-fiber bus link
 Summary | Full Text:PDF

Proposal of Fiber-Optic Radio Highway Networks Using CDMA Method
Satoshi KAJIMA Katsutoshi TSUKAMOTO Shozo KOMAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/01/25
Vol. E79-C  No. 1  pp. 111-117
Type of Manuscript:  Special Section PAPER (Special Issue on Optomicrowave Techniques and Their Applications)
Category: System Applications
Keyword: 
CDMAradio highwayfiber-optic bus linkoptical beat noise
 Summary | Full Text:PDF

A Proposal of Multiple Optical Wideband Frequency Modulation System and Its Phase Noise Insensitivity
Toshiaki KURI Katsutoshi TSUKAMOTO Norihiko MORINAGA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/09/25
Vol. E78-A  No. 9  pp. 1136-1141
Type of Manuscript:  Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: 
Keyword: 
coherent optical communicationoptical frequency modulation (OFM)phase noise
 Summary | Full Text:PDF

TDM Intercell Connection Fiber-Optic Bus Link for Personal Radio Communication Systems
Hiroshi HARADA Satoshi KAJIYA Katsutoshi TSUKAMOTO Shozo KOMAKI Norihiko MORINAGA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1995/09/25
Vol. E78-B  No. 9  pp. 1287-1294
Type of Manuscript:  PAPER
Category: Optical Communication
Keyword: 
TDMfiber-opticbus linkbandpass samplingoptical beat interference
 Summary | Full Text:PDF

Optical Polarization Azimuth Modulation (POLAM)/ Heterodyne Detection System
Toshiaki KURI Katsutoshi TSUKAMOTO Norihiko MORINAGA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1995/05/25
Vol. E78-B  No. 5  pp. 746-751
Type of Manuscript:  PAPER
Category: Optical Communication
Keyword: 
coherent optical space communicationstate of polarization (SOP)polarization azimuth modulation (POLAM)phase noisepolarization axis mismatch
 Summary | Full Text:PDF