Hiroshi OHTA


Standardization Status on Carrier Class Ethernet OAM
Hiroshi OHTA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/03/01
Vol. E89-B  No. 3  pp. 644-650
Type of Manuscript:  INVITED PAPER (Special Section on the Next Generation Ethernet Technologies)
Category: 
Keyword: 
EthernetOAMITU-TIEEE 802
 Summary | Full Text:PDF(270.4KB)

Wide-Dynamic-Range Digital-Pixel CMOS Image Sensor Applying New Readout Operation
Masahide GOTO Toshihisa WATABE Hiroshi OHTAKE Masahide ABE Norifumi EGAMI Kenkichi TANIOKA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/02/01
Vol. E89-C  No. 2  pp. 206-208
Type of Manuscript:  LETTER
Category: Electronic Circuits
Keyword: 
CMOS image sensordynamic rangeA/D converterthresholdpulse
 Summary | Full Text:PDF(106.1KB)

Optical Sampling System Using Passively Mode-Locked Fiber Laser with KTP Crystal
Nobuhide YAMADA Hiroshi OHTA Seiji NOGIWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/09/01
Vol. E86-C  No. 9  pp. 1816-1823
Type of Manuscript:  Special Section PAPER (Special Issue on Recent Progress in Photon Detection Technology)
Category: 
Keyword: 
optical samplingsum-frequency generationmode-locked fiber laser
 Summary | Full Text:PDF(2.6MB)

Optical Sampling System Using a Periodically Poled Lithium Niobate Crystal
Seiji NOGIWA Hiroshi OHTA Yoshikazu KAWAGUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/01/01
Vol. E85-C  No. 1  pp. 156-164
Type of Manuscript:  Special Section PAPER (Special Issue on Ultrafast Optical Signal Processing and Its Application)
Category: 
Keyword: 
optical samplingPPLN crystalsum-frequency generationshort optical pulseoptical eye-diagram
 Summary | Full Text:PDF(748.6KB)

Economical Unified Platform Using ATM Transport System to Carry both STM and ATM Signals
Ryoichi IWASE Koji WATANABE Yoshihiko UEMATSU Hiroshi OHTA Mitsugu HIRAKI Yukiharu KANAYAMA Toshinori TSUBOI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/02/25
Vol. E83-B  No. 2  pp. 353-361
Type of Manuscript:  PAPER
Category: Switching and Communication Processing
Keyword: 
ATM transport systemcross-connectVP groomingVP protection switchingpath CLAD
 Summary | Full Text:PDF(702.9KB)

ATM VP-Based Economical Transport Network Architecture for Multi-Reliability and Broadband Integrated Service Infrastructure
Yoshihiko UEMATSU Hiroshi OHTA Ryoichi IWASE Koji WATANABE Masayuki MATSUDA Seiichi TAKAGI Toshinori TSUBOI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/02/25
Vol. E83-B  No. 2  pp. 299-306
Type of Manuscript:  Special Section PAPER (IEICE/IEEE Joint Special Issue on Recent Progress in ATM Technologies)
Category: Traffic Control and Network Management
Keyword: 
ATMtransport networkvirtual pathcross-connectprotection switching
 Summary | Full Text:PDF(686.9KB)

Generation of Low Timing Jitter, Sub-Picosecond Optical Pulses Using a Gain-Switched DFB-LD with CW Light Injection and a Nonlinear Optical Loop Mirror
Hiroshi OHTA Seiji NOGIWA Haruo CHIBA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1998/02/25
Vol. E81-C  No. 2  pp. 166-168
Type of Manuscript:  Special Section LETTER (Special Issue on Ultrashort Optical Pulse Technologies and their Applications)
Category: 
Keyword: 
pulse compressionfiberlaserjittergain-switching
 Summary | Full Text:PDF(199.6KB)

Minimizing the Data Transfer in Evaluating an Expression in a Distributed-Memory Parallel-Processing System
Hiroshi OHTA Kousuke SAKODA Koichiro ISHIHARA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1994/03/25
Vol. E77-D  No. 3  pp. 288-298
Type of Manuscript:  PAPER
Category: Computer Systems
Keyword: 
computer systemsalgorithmparallel processingdistributed memorydata transfer
 Summary | Full Text:PDF(863.4KB)

Simulation Study of the Cell Discard Process and the Effect of Cell Loss Compensation in ATM Networks
Hiroshi OHTA Tokuhiro KITAMI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1990/10/25
Vol. E73-E  No. 10  pp. 1704-1711
Type of Manuscript:  Special Section PAPER (Special Issue on Communication Theory and Its Applications)
Category: Transport System
Keyword: 
 Summary | Full Text:PDF(656.9KB)

On the Acyclicity of Single-Source Single-Sink Planar Digraphs
Takao OZAWA Hiroshi OHTA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1982/12/25
Vol. E65-E  No. 12  pp. 756-757
Type of Manuscript:  LETTER
Category: Graph Theory
Keyword: 
 Summary | Full Text:PDF(109.9KB)