Tokumi YOKOHIRA


Throughput Improvement for TCP with a Performance Enhancing Proxy Using a UDP-Like Packet Sending Policy
Hui WANG  Yuichi NISHIDA  Yukinobu FUKUSHIMA  Tokumi YOKOHIRA  Zhen WU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/07/01
Vol. E95-B  No. 7  pp. 2344-2357
Type of Manuscript: PAPER
Category: Internet
Keyword: 
TCPperformance enhance proxyPEPwatermarkthroughputfairness
  Summary |  Full Text:PDF (5.5MB)

An Architecture and a MAC Protocol for Throughput Improvement in Light Trail Networks
Wenjie CHEN  Yukinobu FUKUSHIMA  Tokumi YOKOHIRA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/07/01
Vol. E95-B  No. 7  pp. 2330-2343
Type of Manuscript: PAPER
Category: Network
Keyword: 
light trail networkmedium access control (MAC)token passinglinear programming problem
  Summary |  Full Text:PDF (2MB)

Detection of CMOS Open Node Defects by Frequency Analysis
Hiroyuki MICHINISHI  Tokumi YOKOHIRA  Takuji OKAMOTO  Toshifumi KOBAYASHI  Tsutomu HONDO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2007/03/01
Vol. E90-D  No. 3  pp. 685-687
Type of Manuscript: LETTER
Category: Dependable Computing
Keyword: 
current testopen node defectfloating gate defectfrequency analysis
  Summary |  Full Text:PDF (140.4KB)

Effect of Premature ACK Transmission Timing on Throughput in TCP with a Performance Enhancing Proxy
Hui WANG  Shigeyuki OSADA  Tokumi YOKOHIRA  Kiyohiko OKAYAMA  Nariyoshi YAMAI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/01/01
Vol. E90-B  No. 1  pp. 31-41
Type of Manuscript: PAPER
Category: Network
Keyword: 
TCPperformance enhancing proxyPEPpremature ACKwatermark
  Summary |  Full Text:PDF (815.8KB)

High-Speed Calculation of Worst-Case Link Delays in the EDD Connection Admission Control Scheme
Tokumi YOKOHIRA  Kiyohiko OKAYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/07/01
Vol. E89-B  No. 7  pp. 2012-2022
Type of Manuscript: PAPER
Category: Network
Keyword: 
real time communicationquality of serviceconnection admission controlworst-case link delaysearliest due date first scheduling
  Summary |  Full Text:PDF (887.1KB)

Node Placement Algorithms in the Case that Routes are Design Variables in Shuffle-Like Multihop Lightwave Networks
Tokumi YOKOHIRA  Kiyohiko OKAYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/12/01
Vol. E88-B  No. 12  pp. 4578-4587
Type of Manuscript: PAPER
Category: Network
Keyword: 
wavelength-division multiplexinglogical topologyshuffle-like networknode placementwavelength assignment
  Summary |  Full Text:PDF (509.7KB)

CMOS Floating Gate Defect Detection Using Supply Current Test with DC Power Supply Superposed by AC Component
Hiroyuki MICHINISHI  Tokumi YOKOHIRA  Takuji OKAMOTO  Toshifumi KOBAYASHI  Tsutomu HONDO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/03/01
Vol. E87-D  No. 3  pp. 551-556
Type of Manuscript: Special Section PAPER (Special Section on Test and Verification of VLSI)
Category: Fault Detection
Keyword: 
current testfloating gate defectopen defectdefect detection
  Summary |  Full Text:PDF (459.2KB)

A Quasi-Solution State Evolution Algorithm for Channel Assignment Problems in Cellular Networks
Nobuo FUNABIKI  Toru NAKANISHI  Tokumi YOKOHIRA  Shigeto TAJIMA  Teruo HIGASHINO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2002/05/01
Vol. E85-A  No. 5  pp. 977-987
Type of Manuscript: Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
CAPapproximation algorithmbenchmarkNP-hardcellular network
  Summary |  Full Text:PDF (627.6KB)

Testing for the Programming Circuit of SRAM-Based FPGAs
Hiroyuki MICHINISHI  Tokumi YOKOHIRA  Takuji OKAMOTO  Tomoo INOUE  Hideo FUJIWARA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1999/06/20
Vol. E82-D  No. 6  pp. 1051-1057
Type of Manuscript: PAPER
Category: Fault Tolerant Computing
Keyword: 
fault detectionLUT-based FPGASRAM-based FPGAfunctional faultconfiguration
  Summary |  Full Text:PDF (611.1KB)

The Number of Elements in Minimum Test Set for Locally Exhaustive Testing of Combinational Circuits with Five Outputs
Tokumi YOKOHIRA  Toshimi SHIMIZU  Hiroyuki MICHINISHI  Yuji SUGIYAMA  Takuji OKAMOTO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1995/07/20
Vol. E78-D  No. 7  pp. 874-881
Type of Manuscript: Special Section PAPER (Special Issue on Verification, Test and Diagnosis of VLSI Systems)
Category: 
Keyword: 
built-in self-testexhaustive testingtest pattern generationminimum test setdependence matrix
  Summary |  Full Text:PDF (632.8KB)

Minimum Test Set for Locally Exhaustive Testing of Multiple Output Combinational Circuits
Hiroyuki MICHINISHI  Tokumi YOKOHIRA  Takuji OKAMOTO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1993/07/20
Vol. E76-D  No. 7  pp. 791-799
Type of Manuscript: Special Section PAPER (Special Issue on VLSI Testing and Testable Design)
Category: 
Keyword: 
built-in-self-testpseudoexhaustive testingverification testinglocally exhaustive testingtest pattern generation
  Summary |  Full Text:PDF (736KB)

Test Set for a Multibit Shifter Constructed with Multiplexers
Tokumi YOKOHIRA  Hiroyuki MICHINISHI  Takuji OKAMOTO  Yuji SUGIYAMA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1990/08/20
Vol. E73-E  No. 8  pp. 1301-1309
Type of Manuscript: Special Section PAPER (Special Issue on Fault-Tolerant Systems)
Category: 
Keyword: 
  Summary |  Full Text:PDF (635.9KB)