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: Special Section PAPER (Special Section on the Next Generation Ethernet Technologies)
Category: INVITED
Keyword: 
EthernetOAMITU-TIEEE 802
  Summary |  Full Text:PDF (271.7KB)

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 (107.2KB)

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
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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 (750.7KB)

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: 2000/02/20
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 (689.3KB)

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: 2000/02/20
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 (705.1KB)

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: 1998/02/20
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 (200.7KB)

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: 1994/03/20
Vol. E77-D  No. 3  pp. 288-298
Type of Manuscript: PAPER
Category: Computer Systems
Keyword: 
computer systemsalgorithmparallel processingdistributed memorydata transfer
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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: 1990/10/20
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: 1982/12/20
Vol. E65-E  No. 12  pp. 756-757
Type of Manuscript: LETTER
Category: Graph Theory
Keyword: 
  Summary |  Full Text:PDF (110.3KB)