TAKAHASHI Yutaka

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Name
TAKAHASHI Yutaka
URL
http://infosys.sys.i.kyoto-u.ac.jp/
Affiliation
Kyoto University
Section
Graduate School of Informatics Department of Systems Science
Job title
Professor
Degree
Doctor of Engineering(Kyoto University)

Research Areas

 

Academic & Professional Experience

 
Feb 2012
 - 
Mar 2012
Invited Professor, University of Paris 11
 
Aug 2009
 - 
Oct 2009
Invited Professor, University of Paris 11
 
1980
 - 
1989
Kyoto University, Assistant Professor
 
1983
 - 
1984
Institut National de Recherche
 
 
   
 
      en Informatique et en Automatique Invited Professor
 

Education

 
 
 - 
1980
Dept. of Applied Mathematics and Physics, Graduate School, Division of Engineering, Kyoto University
 
 
 - 
1975
Faculty of Engineering, Kyoto University
 

Awards & Honors

 
2001
Fellow, Operations Research Society of Japan.
 
2001
IFIP Silver Core
 

Published Papers

 
Shunsuke Matsuzawa, Satoru Harada, Kazuya Monden, Yukihiro Takatani, and Yutaka Takahashi
Queueing Theory and Network Applications (Advances in Intelligent Systems and Computing), Do, T.V., Takahashi, Y., Yue, W., Nguyen, V.-H. (Eds.), Springer   127-142   2016   [Refereed]
Kyosuke Hashimoto, Hiroyuki Masuyama, Shoji Kasahara and Yutaka Takahashi
Journal of Industrial and Management Optimization   11(3)    2015   [Refereed]
Performance Analysis of Energy-Saving Server Scheduling Mechanism for Large-Scale Data Centers
Kato, M., Masuyama, H., Kasahara, S., and Takahashi, Y
The 9th International Conference on Queueing Theory and Network Applications (QTNA2014)   28-35   Aug 2014   [Refereed]
H. Katayama; H. Masuyama; S. Kasahara; Y. Takahashi
Journal of Industrial and Management Optimization   10(1) 21-40   2014   [Refereed]
T. Hirai; H. Masuyama; S. Kasahara; Y. Takahashi
Journal of Industrial and Management Optimization   10(1) 113-129   2014   [Refereed]
Hashimoto, K., Masuyama, H., Kasahara, S., and Takahashi, Y.
Journal of Industrial and Management Optimization   11(3) 867-886   2014   [Refereed]
Retrial queues with balanced call blending: analysis of single-server and multiserver model
Tuan Phung-Duc, Wouter Rogiest, Yutaka Takahashi, Herwig Bruneel
Annals of Operations Research      2014   [Refereed]
Phung-Duc, Tuan/Masuyama, Hiroyuki/Kasahara, Shoji/Takahashi, Yutaka
Annals of Operations Research   202(1) 161-183   Jan 2013   [Refereed]
Y. Konishi; H. Masuyama; S. Kasahara; Y. Takahashi
Wireless Networks   19(5) 607-617   2013   [Refereed]
T. Kimura; H. Masuyama; Y. Takahashi
Stochastic Models   29(2) 190-239   2013   [Refereed]
T. Phung-Duc; H. Masuyama; S. Kasahara; Y. Takahashi
Annals of Operations Research   202(1) 161-183   2013   [Refereed]
T. Yazane; H. Masuyama; S. Kasahara; Y. Takahashi
Performance Evaluation   70(1) 14-27   2013   [Refereed]
Kota Kato, Hiroyuki Masuyama, Shoji Kasahara and Yutaka Takahashi
Journal of the Operations Research Society of Japan   56(2) 69-91   2013   [Refereed]
M. Mitsumura; H. Masuyama; S. Kasahara; Y. Takahashi
Journal of Industrial and Management Optimization   8(4) 807-819   Nov 2012   [Refereed]
S. Nanao; H. Masuyama; S. Kasahara; Y. Takahashi
Peer-to-Peer Networking and Applications   5(3) 244-256   Sep 2012   [Refereed]
T. Kimura; H. Masuyama; Y. Takahashi
Operations Research Letters   40(3) 185-189   May 2012   [Refereed]
K. Endo; Y. Inoue; Y. Takahashi
Computer Communications   35(1) 120-128   Jan 2012   [Refereed]
T. Tainaka; H. Masuyama; S. Kasahara; Y. Takahashi
IEEE Transactions on Wireless Communications   10(9) 2908-2917   Sep 2011   [Refereed]
S. Nanao; H. Masuyama; S. Kasahara; Y. Takahashi
Journal of Industrial and Management Optimization   7(3) 699-716   Aug 2011   [Refereed]
FEC Recovery Performance for Video Streaming Services Based on H.264/SVC
Kirihara, K., Masuyama, H., Kasahara, S., and Takahashi, Y
Recent Advances on Video Coding, Ed. Javier Del Ser Lorente, InTech, ISBN 978-953-307-181-7, pp. 259-272      2011   [Refereed]
N. Hernandez-Cons; S. Kasahara; Y. Takahashi
Computer Communications   33(15) 1864-1878   Sep 2010   [Refereed]
H. Kawanami; H. Masuyama; T. Tachibana; S. Kasahara; Y. Takahashi
Photonic Network Communications   20(1) 54-63   Aug 2010   [Refereed]
T. Phung-Duc; H. Masuyama; S. Kasahara; Y. Takahashi
Journal of Industrial and Management Optimization   6(3) 517-540   Aug 2010   [Refereed]
T. Kimura; K. Daikoku; H. Masuyama; Y. Takahashi
Stochastic Models   26(4) 505-548   2010   [Refereed]
K. Wakuda; S. Kasahara; Y. Takahashi; Y. Kure; E. Itakura
Computer Communications   32(13-14) 1437-1444   Aug 2009   [Refereed]
T. Tainaka; H. Masayuma; S. Kasahara; Y. Takahashi
Journal of Industrial and Management Optimization   5(3) 493-510   Aug 2009   [Refereed]
T. Phung-Duc; H. Masuyama; S. Kasahara; Y. Takahashi
Journal of Industrial and Management Optimization   5(3) 431-451   Aug 2009   [Refereed]
Y. Gotoh; T. Yoshihisa; M. Kanazawa; Y. Takahashi
IEEE Transactions on Broadcasting   55(2) 460-467   Jun 2009   [Refereed]
S. Muraoka; H. Masuyama; S. Kasahara; Y. Takahashi
Performance Evaluation   66(6) 327-342   Jun 2009   [Refereed]
GOTOH Yusuke, YOSHIHISA Tomoki, KANAZAWA Masanori, TAKAHASHI Yutaka
The transactions of the Institute of Electronics, Information and Communication Engineers. B   92(1) 353-362   Jan 2009
Kensaku Wakuda, Shoji Kasahara, Yutaka Takahashi, Yoshinobu Kure, Eisaburo Itakura
A Packet Scheduling Algorithm for Max-Min Fairness in Multihop Wireless LANs      2009   [Refereed]
On appropriate intervals for active measurement of packet transmission delays
K. Ori; T. Okuyama; Y. Takahashi
21st International Teletraffic Congress, ITC 21: Traffic and Performance Issues in Networks of the Future - Final Programme      2009   [Refereed]
Tuan Phung-Duc, Hiroyuki Masuyama, Shoji Kasahara, and Yutaka Takahashi
Performance Analysis of Optical Burst Switched Networks with Limited-Range Wavelength Conversion, Retransmission and Burst Segmentation      2009   [Refereed]
Decentralized User Information Management Systems for Peer-to-Peer Communication Networks: An Approach by Nonstationary Peer-Population Process
Kazuhiko Kuraya, Hiroyuki Masuyama, Shoji Kasahara and Yutaka Takahashi
Ubiquitous Computing and Communication Journal, vol. CSNDSP, Sept. 2009.      2009   [Refereed]
W. Yue; Y. Takahashi; H. Takagi
Advances in Queueing Theory and Network Applications   ix-xiii   2009   [Refereed]
W. Yue; Y. Takahashi; H. Takagi
Advances in Queueing Theory and Network Applications   1-315   2009   [Refereed]
K. Kirihara; H. Masuyama; S. Kasahara; Y. Takahashi
Advances in Queueing Theory and Network Applications   265-279   2009   [Refereed]
W. Yue; Y. Takahashi; H. Takagi
Journal of Industrial and Management Optimization   5(3) i-iii   2009   [Refereed]
S. Hido; H. Kashima; Y. Takahashi
Statistical Analysis and Data Mining   2(5-6) 412-426   2009   [Refereed]
Y. Tamura; S. Kasahara; Y. Takahashi; S. Kamei; R. Kawahara
Performance Evaluation   65(10) 725-741   Oct 2008   [Refereed]
Y. Uchida; S. Sunahara; E. Itakura; H. Masuyama; S. Kasahara; Y. Takahashi
IEICE Transactions on Communications   E91B(9) 2897-2906   Sep 2008   [Refereed]
K. Endo; M. Kawahara; Y. Takahashi
Computer Communications   31(9) 1679-1686   Jun 2008   [Refereed]
K. Al Agha; W. Grote; Y. Takahashi
Annales des Telecommunications/Annals of Telecommunications   63(9-10) 453-454   2008   [Refereed]
T. Yamaguchi; Y. Takahashi
Computer Communications   30(9) 2048-2059   Jun 2007   [Refereed]
K. Daikoku; H. Masuyama; T. Takine; Y. Takahashi
Journal of the Operations Research Society of Japan   50(1) 55-72   Mar 2007   [Refereed]
K. Endo; M. Kawahara; Y. Takahashi
IFIP International Federation for Information Processing   229 147-158   2007   [Refereed]
S. Kamei; M. Uchida; T. Mori; Y. Takahashi
Electronics and Communications in Japan, Part I: Communications (English translation of Denshi Tsushin Gakkai Ronbunshi)   90(3) 54-63   2007   [Refereed]
Performance analysis of FEC recovery using finite-buffer queueing system with general renewal and poisson inputs
S. Muraoka; H. Masuyama; S. Kasahara; Y. Takahashi
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)   4516 LNCS 707-718   2007   [Refereed]
T. Tanizaki; T. Tamura; H. Sakai; Y. Takahashi; T. Imai
Journal of the Operations Research Society of Japan   49(3) 188-201   Sep 2006   [Refereed]
ENDO KEIICHI, KAWAHARA MINORU, TAKAHASHI YUTAKA
IPSJ Journal   47(4) 1087-1098   Apr 2006
This paper deals with Massively Multiplayer Online Services, users of which communicate interactively with one another in real time. We propose an architecture for distributing loads by transferring part of the server's function to users' machines...
KAMEI Satoshi, UCHIDA Masato, MORI Tatsuya, TAKAHASHI Yutaka
The transactions of the Institute of Electronics, Information and Communication Engineers. B   88(11) 2171-2180   Nov 2005
Application-level jitter reduction scheme for multimedia communication over ATM-ABR service
N. Adachi; S. Kasahara; Y. Takahashi
IEICE Transactions on Communications   E86B(2) 798-808   Feb 2003   [Refereed]
Modeling and performance analysis of cellular networks with channel borrowing
S. Yamanaka; H. Kawano; Y. Takahashi
IEICE Transactions on Communications   E85B(5) 929-937   May 2002   [Refereed]
M. Ishigaki; Y. Matsumoto; Y. Takahashi; T. Hasegawa
Electronics and Communications in Japan, Part I: Communications (English translation of Denshi Tsushin Gakkai Ronbunshi)   84(1) 59-67   2001   [Refereed]
T. Yoshihara; S. Kasahara; Y. Takahashi
Telecommunication Systems   17(1-2) 185-211   2001   [Refereed]
N. Kawasaki; H. Takagi; Y. Takahashi; S.-J. Hong; T. Hasegawa
Journal of the Operations Research Society of Japan   43(4) 455-468   Dec 2000   [Refereed]
Analysis of waiting time of M/G/1/K system under random scheduling and LCFS
Shoji Kasahara; Yutaka Takahashi; Toshiharu Hasegawa
Engineering Simulation   17(6) 819-834   2000   [Refereed]
Waiting time analysis for MX/G/1 Priority queues with/without vacations under random order of service discipline
N. Kawasaki; H. Takagi; Y. Takahashi; S.-J.O. Hong; T. Hasegawa
Journal of Applied Mathematics and Stochastic Analysis   13(4) 365-392   2000   [Refereed]
M. Ishigaki; Y. Takahashi; T. Hasegawa
Telecommunication Systems   15(1-2) 93-112   2000   [Refereed]
Simulation study on multi-hop jitter behavior in integrated ATM network with CATV and Internet
Adachi, N; Kasahara, S; Takahashi, Y
IEICE TRANSACTIONS ON COMMUNICATIONS   E81B(12) 2413-2422   Dec 1998   [Refereed]
Y. Sakai; Y. Takahashi; T. Hasegawa
Journal of the Operations Research Society of Japan   41(4) 589-613   Dec 1998   [Refereed]
A composite queue with vacation/set-up/close-down times for SVCC in IP over ATM networks
Y. Sakai; Y. Takahashi; Y. Takahashi; T. Hasegawa
Journal of the Operations Research Society of Japan   41(1) 68-80   Mar 1998   [Refereed]
M. Ishigaki; Y. Takahashi; T. Hasegawa
Telecommunication Systems   10(3-4) 291-320   1998   [Refereed]
W.K.-G. Seah; Y. Takahashi; T. Hasegawa
Telecommunication Systems   10(3-4) 243-268   1998   [Refereed]
Waiting-time analysis of the demand-priority access method
W.K.-G. Seah; Y. Takahashi; T. Hasegawa
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences   E80A(9) 1684-1697   Sep 1997   [Refereed]
KAWANO Hiroyuki, UKAI Fumitoshi, TAKAHASHI Yutaka, HASEGAWA Toshiharu
The transactions of the Institute of Electronics, Information and Communication Engineers   80(4) 380-388   Apr 1997
Kawasaki Norikazu, Takagi Hideaki, Takahashi Yutaka, Hasegawa Toshiharu
Journal of the Operations Research Society of Japan   39(4) 459-474   Dec 1996
Relatively few models of M^<[x]>/G/1 queues, an important extension of M/G/1 queues that permit batch arrivals of messages, have been studied in the literature. In this paper, we consider M^<[x]>/G/1 queues with gated random order of service, for ...
Kasahara, S; Takine, T; Takahashi, Y; Hasegawa, T
JOURNAL OF THE OPERATIONS RESEARCH SOCIETY OF JAPAN   39(2) 188-212   Jun 1996   [Refereed]
J.F. Ren; Y. Takahashi; T. Hasegawa
Performance Evaluation   26(1) 21-50   1996   [Refereed]
S. Kasahara; T. Takine; Y. Takahashi; T. Hasegawa
Journal of the Operations Research Society of Japan   39(2) 210-212   1996   [Refereed]
S. Kasahara; H. Takagi; Y. Takahashi; T. Hasegawa
Journal of Applied Mathematics and Stochastic Analysis   9(2) 143-157   1996   [Refereed]
S. Kasahara; Y. Takahashi; T. Hasegawa
Performance Evaluation   21(3) 239-259   Jan 1995   [Refereed]
A. Sugahara; T. Takine; Y. Takahashi; T. Hasegawa
Performance Evaluation   21(3) 215-238   Jan 1995   [Refereed]
F. Ishizaki; T. Takine; Y. Takahashi; T. Hasegawa
Performance Evaluation   21(1-2) 163-181   Nov 1994   [Refereed]
Masakazu Yoshimoto; Tetsuya Takine; Yutaka Takahashi; Toshiharu Hasegawa
IEEE Transactions on Communications   41(11) 1687-1693   Nov 1993   [Refereed]
S. Kasahara; T. Takine; Y. Takahashi; T. Hasegawa
Queueing Systems   14(3-4) 349-367   1993   [Refereed]
Generalized SBBP/G/1 queue and its application to ATM networks
Fumio Ishizaki; Tetsuya Takine; Yutaka Takahashi; Toshiharu Hasegawa
IFIP Transactions C: Communication Systems   15 397-416   1993   [Refereed]
KO Hong Seung, TAKINE Tetsuya, TAKAHASHI Yutaka, HASEGAWA Toshiharu
Transactions of the Institute of Systems,Control and Information Engineers   5(1) 24-33   Jan 1992
H.S. Ko, T. Takine, Y. Takahashi and T. Hasegawa
Transactions of the ISCIE,5/1      1992   [Refereed]
Waiting Time and Queue Length Distributions for Go-Back-N and Selective-Repeat ARQ Protocols
M. Yoshimoto, T. Takine, Y. Takahashi and T. Hasegawa
Data Communication Systems and Their Performance, G.Pujolle and R.Puigjaner (editors), North-Holland, pp.247--260      1991   [Refereed]
Analysis of an asymmetric polling model with cycle-time constraint.
NAKAMURA K;TAKINE T;TAKAHASHI Y;HASEGAWA T
NATO ASI Ser F   72 493-508   1991   [Refereed]
Y. Shiozawa; T. Takine; Y. Takahashi; T. Hasegawa
Computer Networks and ISDN Systems   20(1-5) 297-308   Dec 1990   [Refereed]
T. Takine; H. Takagi; Y. Takahashi; T. Hasegawa
Performance Evaluation   11(4) 253-264   Nov 1990   [Refereed]
Yutaka Matsumoto; Yutaka Takahashi; Toshiharu Hasegawa
IEEE Transactions on Communications   38(9) 1404-1418   Sep 1990   [Refereed]
MODELING AND ANALYSIS OF A SINGLE-BUFFER POLLING SYSTEM INTERCONNECTED WITH EXTERNAL NETWORKS
TAKINE, T; TAKAHASHI, Y; HASEGAWA, T
INFOR   28(3) 166-177   Aug 1990   [Refereed]
Yutaka Matsumoto; Yutaka Takahashi; Toshiharu Hasegawa
IEEE Transactions on Communications   38(2) 199-214   Feb 1990   [Refereed]
Yutaka Matsumoto; Yutaka Takahashi; Toshiharu Hasegawa
IEEE Transactions on Communications   38(1) 54-66   Jan 1990   [Refereed]
Analysis of a Flexible Manufacturing Cell in the Conveyor-Serviced Production System
H.S. Ko, Y. Takahashi and T. Hasegawa
Systems Science,16/1      1990   [Refereed]
Jing-Fei Ren; Yutaka Takahashi; Toshiharu Hasegawa
IEEE Journal on Selected Areas in Communications   7(3) 354-363   Apr 1989   [Refereed]
Gateway buffer size of local area network
Yutaka Matsumoto; Tetsuya Takine; Yutaka Takahashi; Toshiharu Hasegawa
Electronics and Communications in Japan, Part I: Communications (English translation of Denshi Tsushin Gakkai Ronbunshi)   72(1) 51-62   1989   [Refereed]
Average Message Delay of an Asymmetric Single-Buffer Polling System with Round-Robin Scheduling of Services
T. Takine, Y. Takahashi and T. Hasegawa
Modelling Techniques and Tools for Computer Performance Evaluation, R. Puigjaner and D. Potier(editors), Plenum Publishing Corporation, pp.179--187      1989   [Refereed]
Tetsuya Takine; Yutaka Takahashi; Toshiharu Hasegawa
IEEE Transactions on Communications   36(10) 1119-1127   Oct 1988   [Refereed]
Tetsuya Takine; Yutaka Takahashi; Toshiharu Hasegawa
IEEE Transactions on Communications   36(8) 932-941   Aug 1988   [Refereed]
松本 豊, 高橋 豊, 長谷川 利治
電子情報通信学会論文誌 B 通信   71(6) p678-689   Jun 1988
Analysis of an Asymmetric Polling System with Single Buffers
T. Takine, Y. Takahashi and T. Hasegawa
Performance '87(edited by P.-J. Courtois, G. Latouche), North-Holland, Amsterdam, pp.241-251      1988   [Refereed]
Performance Analysis of a Buffered CSMA/CD
T. Takine, Y. Takahashi and T. Hasegawa
Data Communication Systems and Their Performance (edited by L.F.M. de Moraes, E. de Souza e Silva and L.F.G. Soares), North-Holland, Amsterdam, pp.227-241      1988   [Refereed]
Performance Analysis of a CSMA/CD System with Heterogeneous Stations
T. Takine, Y. Takahashi and T. Hasegawa
Computer Performance and Reliability(edited by G. Iazeolla, P.J. Courtois and O.J.Boxma), North-Holland, Amsterdam, pp.473-488      1988   [Refereed]
TAKINE T.
The Transactions of the Institute of Electronics,Information and Communication Engineers   70(9) p989-998   Sep 1987
Throughput Analysis of a Hybrid Protocol for Ring Networks
Y. Takahashi, T. Takine and T. Hasegawa
Modelling Techniques and Performance Evaluation(edited by S. Fdida and G. Pujolle), North-Holland, Amsterdam, pp.151-164      1987   [Refereed]
Analysis for Multi-hop Packet Radio Networks Using Priority-based Slotted ALOHA Access Scheme
W. Yue, Y. Takahashi and T. Hasegawa
System Science,13/1      1987   [Refereed]

Misc

 
YOSHIHARA Chihiro, MASUYAMA Hiroyuki, HAYASHI Shunsuke, KASAHARA Shoji, TAKAHASHI Yutaka
IEICE technical report   110(448) 681-686   Feb 2011
The extended discrete autoregressive model of order one (XDAR(1)) is known to be one of the most tractable arrival processes among the class of batch Markovian arrival processes (BMAPs). However, an existing parameter fitting algorithm for XDAR(l)...
NANAO Sho, MASUYAMA Hiroyuki, KASAHARA Shoji, TAKAHASHI Yutaka
IEICE technical report   110(448) 693-698   Feb 2011
Coolstreaming is a mesh based peer-to-peer (P2P) video streaming system in which a source node divides a single video stream into multiple sub-streams. A client-peer node retrieves the sub-streams from multiple parent-peer nodes, combining them in...
YAZANE Takashi, MASUYAMA Hiroyuki, KASAHARA Shoji, TAKAHASHI Yutaka
IEICE technical report   110(190) 79-84   Aug 2010
In this paper, we compare the throughput performance of network coding with that of the burst transmission scheme for multihop wireless networks. In the former scheme, a relay node encodes two packets into one packet by a coding scheme such as exc...
OULAD NASSAR Badr, TACHIBANA Takuji, TAKAHASHI Yutaka
IEICE technical report   110(93) 7-12   Jun 2010
In this paper, we propose a lightpath establishment algorithm for considering the physical impairments and providing the service differentiation in transparent optical networks. Our proposed method consists of four mechanisms; signaling mechanism,...
ITO Toshihiro, MASUYAMA Hiroyuki, KASAHARA Shoji, TAKAHASHI Yutaka
IEICE technical report   109(448) 159-164   Feb 2010
Traffic modeling is significantly important for queueing theoretical-based performance evaluation of computer- and communication-network systems. In this paper, a parameter-estimation scheme for Batch Markovian arrival process (BMAP) is proposed. ...
TAINAKA Tomoya, MASUYAMA Hiroyuki, KASAHARA Shoji, TAKAHASHI Yutaka
IEICE technical report   109(448) 211-216   Feb 2010
The burst transmission scheme based on the transmission opportunity (TXOP) is defined in the IEEE 802.11e standard, with which a wireless node can transmit multiple frames consecutively for a maximum channel occupancy time to reduce the overhead o...
WADA Hitoshi, MASUYAMA Hiroyuki, KASAHARA Shoji, TAKAHASHI Yutaka
IEICE technical report   109(448) 217-222   Feb 2010
In this paper, we consider the frame-level delay for streaming services over wired-wireless networks. Focusing on an output port of a wireless base station, in which a video-packet flow and background traffic are multiplexed, we model it as a sing...
NAGASHIMA Takanori, KASAHARA Shoji, TAKAHASHI Yutaka, KOBAYASHI Masahiro, KAMEI Satoshi
IEICE technical report   109(448) 273-278   Feb 2010
P2P streaming systems can be classified into two groups, depending on the P2P overlay structure: tree-based and mesh-based. Since there is no complex overlay in mesh-based system, mesh based systems are more resilient to node failures, and even no...
NANAO Sho, MASUYAMA Hiroyuki, KASAHARA Shoji, TAKAHASHI Yutaka
IEICE technical report   109(448) 291-296   Feb 2010
Coolstreaming is one of the Peer-to-Peer (P2P) based video streaming systems. In Coolstreaming, a single video stream is decomposed into multiple sub-streams, and a client-peer node receives the sub-streams and combines them into the original vide...
UEDA Kohei, MASUYAMA Hiroyuki, KASAHARA Shoji, TAKAHASHI Yutaka
IEICE technical report   109(3) 3-8   Apr 2009
In order to evaluate the quality of service (QoS) of video streaming services, most of previous work has focused on the analysis of the frame-level loss probability, or the recovery performance of forward error correction (FEC). However, the frame...
Kosaka Yoshiaki, Endo Keiichi, Takahashi Yutaka
Proceedings of the IEICE General Conference   2009(2)    Mar 2009
Inoue Yusuke, Endo Keiichi, Takahashi Yutaka
Proceedings of the IEICE General Conference   2009(2)    Mar 2009
HERISTYO Anditto, MASUYAMA Hiroyuki, KASAHARA Shoji, TAKAHASHI Yutaka
IEICE technical report   108(457) 123-128   Feb 2009
This paper considers the user-search time for a hierarchical Peer-to-Peer (P2P) overlay network. Specifically, we describe a hierarchical P2P communication overlay network with a tree structure, with node groups forming sub-network cells with a co...
HERNANDEZ-CONS Nelson, KASAHARA Shoji, TAKAHASHI Yutaka
IEICE technical report   108(457) 33-38   Feb 2009
Recently, MANETs (Mobile Ad-hoc NETworks) have become a promising research area. However, routing in MANETs still presents several difficulties. Mobility affects the local connections and makes the network topology change. To maintain local connec...
KIRIHARA Kenji, MASUYAMA Hiroyuki, KASAHARA Shoji, TAKAHASHI Yutaka
IEICE technical report   108(457) 27-32   Feb 2009
In this paper, we analyze the performance of Forward Error Correction (FEC) recovery over H.264/SVC-based video streaming services. Focusing on a bottleneck edge router at the boundary between optical-backbone and access networks, we consider the ...
PHUNG-DUC Tuan, MASUYAMA Hiroyuki, KASAHARA Shoji, TAKAHASHI Yutaka
2008(0) 264-265   Sep 2008
TAINAKA Tomoya, MASUYAMA Hiroyuki, KASAHARA Shoji, TAKAHASHI Yutaka
IEICE technical report   108(203) 81-86   Sep 2008
In the IEEE 802.11 Distributed Coordination Function (DCF) MAC protocol, the four-way handshake mechanism based on the exchange of request to send (RTS) and clear to send (CTS) messages resolves the hidden terminal problem in a single-hop wireless...
KURAYA Kazuhiko, MASUYAMA Hiroyuki, KASAHARA Shoji, TAKAHASHI Yutaka
IEICE technical report   108(203) 87-92   Sep 2008
Skype is a Peer-to-Peer (P2P) based Internet telephony service. In the Skype network, super nodes are chosen from among all ordinary end-user nodes and handle particular tasks such as the management of user information, call establishment, and tra...
SENDA Shuichiro, MASUYAMA Hiroyuki, KASAHARA Shoji, TAKAHASHI Yutaka
IEICE technical report   107(524) 53-58   Feb 2008
On-demand video streaming services have become popular in recent years. However, in current streaming services, the growth of user population leads to the lack of the upload rate of the video server. This mainly causes the starvation in the playou...
KURAYA Kazuhiko, MASUYAMA Hiroyuki, KASAHARA Shoji, TAKAHASHI Yutaka
IEICE technical report   107(524) 187-192   Feb 2008
Skype is a peer-to-peer (P2P) based Internet telephony and has attracted considerable attention as an alternative to voice over IP (VoIP) services based on the session initiation protocol (SIP). In the Skype network, user information for call esta...
WAKUDA Kensaku, KASAHARA Shoji, TAKAHASHI Yutaka, KURE Yoshinobu, ITAKURA Eisaburo
IEICE technical report   107(524) 335-340   Feb 2008
In this paper, we propose a probabilistic packet scheduling scheme achieving per-flow fairness in IEEE 802.11-based multihop wireless LANs without changing the existing IEEE 802.11 MAC protocol. In the proposed scheme, packets at each wireless nod...
Kuraya Kazuhiko, Masuyama Hiroyuki, Kasahara Shoji, Takahashi Yutaka
Proceedings of the IEICE General Conference   2007(2)    Mar 2007
Kirihara Kenji, Masuyama Hiroyuki, Kasahara Shoji, Takahashi Yutaka
Proceedings of the IEICE General Conference   2007(2)    Mar 2007
Senda Shuichiro, Yamamoto Kazunori, Suzuki Hideharu, Ishikawa Norihiro, Takahashi Yutaka
Proceedings of the IEICE General Conference   2007(2)    Mar 2007
UCHIDA Yusuke, SUNAHARA Sei, ITAKURA Eisaburo, MASUYAMA Hiroyuki, KASAHARA Shoji, TAKAHASHI Yutaka
IEICE technical report   106(577) 179-184   Mar 2007
Hybrid FEC/ARQ, which is a mixture of forward error correction (FEC) and automatic repeat request (ARQ), is a well-known technique aiming for packet-loss recovery to guarantee quality of service (QoS) for real-time communications. In this paper, f...
TAMURA Yasuo, KASAHARA Shoji, TAKAHASHI Yutaka, KAMEI Satoshi, KAWAHARA Ryoichi
IEICE technical report   106(236) 139-144   Sep 2006
In overlay networks including peer-to-peer networks, data files are transferred by overlay routing managed at application level. The end-to-end file-transfer delay depends on both logical and physical topologies resulting from overlay routing. In ...
Senda Shuichiro, Masuyama Hiroyuki, Kasahara Shoji, Takahashi Yutaka
Proceedings of the Society Conference of IEICE   2006(2)    Sep 2006
DAIKOKU Kentaro, MASUYAMA Hiroyuki, TAKINE Tetsuya, TAKAHASHI Yutaka
IEICE technical report   106(14) 1-4   Apr 2006
This paper considers the asymptotic tail distribution of the queue length in a stationary BMAP/D/c queue, noting that the queue length distribution can be obtained as the solution of a Markov chain of M/G/1-type. In terms of input parameters, we e...
TAMURA Yasuo, KASAHARA Shoji, TAKAHASHI Yutaka
IEICE technical report   105(627) 113-116   Feb 2006
In overlay networks such as P2P network and contents delivery network (CDN), data is transmitted by overlay routing. The end-to-end delay performance in overlay networks significantly depends on both logical and physical topology resulting from ov...
ENDO Keiichi, KAWAHARA Minoru, TAKAHASHI Yutaka
IEICE technical report. Information networks   105(628) 107-112   Feb 2006
This paper deals with Massively Multiplayer Online Services, users of which communicate interactively with one another in real time. We propose a method for concealing data held by a user to whom authority for managing the data is delegated. With ...
YAMAGUCHI Tetsuji, TAKAHASHI Yutaka
IEICE technical report   105(470) 61-64   Dec 2005
This paper proposes a queue management algorithm which prevents unresponsive flows from dominating available bandwidth and allocates fair share of bandwidth to all flows traversing a common router. This algorithm aims to penalize unresponsive flow...
Tamura Yasuo, Kasahara Shoji, Takahashi Yutaka
Proceedings of the Society Conference of IEICE   2005(2)    Sep 2005
KAWAHARA Takahiro, MASUYAMA Hiroyuki, TAKAHASHI Yutaka
IEICE technical report   105(12) 37-40   Apr 2005
This paper considers a queueing model with a finite buffer, which is fed by an input process mathematically described by Discrete AutoRegressive model of order 1 (DAR(1)). DAR(1) has been attracting an attention as a good candidate to model video ...
Endo Keiichi, Kawahara Minoru, Takahashi Yutaka
2005(31) 91-96   Mar 2005
This paper deals with Massively Multiplayer Online Services, users of which communicate interactively with one another in real time. At present, this kind of services is generally provided in a Client-Server Model, in which users connect directly ...
Tanaka Hiroyuki, Takahashi Yutaka
IEICE technical report. Information networks   104(121) 13-18   Jun 2004
Realtime contents service needs to have a transmission method which can repair quickly packet losses caused by network traffic congestion. Hybrid FEC/ARQ which is a mixture of ARQ and FEC might be promising to realize realtime content delivery wit...
THONGSISOD Kaesinee, SASAKI Takashi, TAKAHASHI Yutaka
Proceedings of the IEICE General Conference   2004(2)    Mar 2004
Morita Tetsuo, Nishimoto Hiroaki, Sasaki Takashi, Takahashi Yutaka
Technical report of IEICE. CQ   103(178) 19-24   Jul 2003
To increase the reliability of the Internet, forward error correction codes have been widely used. Reed-Solomon code is one of the most common codes and generates encoded symbols by taking the product of generator polynomial and the information pa...
ADACHI Naotoshi, KASAHARA Shoji, TAKAHASHI Yutaka
IEICE technical report   101(355) 31-36   Oct 2001
In our previous work, we proposed IDT scheme at source node to reduce the jitter at application level under the ATM-ABR service class and verified the effectiveness for jitter reduction. In this paper, we investigate fairness between multiple vide...
ADACHI Naotoshi, KASAHARA Shoji, TAKAHASHI Yutaka
Proceedings of the Society Conference of IEICE   2001(2) 5-6   Aug 2001
Tatezumi Hiroshi, Morita Tetsuo, Ishida Kenji, Kawanishi Yasuyuki, Kasahara Shoji, Takine Tetsuya, Takahashi Yutaka
Proceedings of the IEICE General Conference   2001(2)    Mar 2001
森田 哲郎, 立住 裕史, 笠原 正治, 滝根 哲哉, 高橋 豊
画像電子学会誌   29(5) 614-616   Sep 2000
ADACHI Naotoshi, KASAHARA Shoji, TAKAHASHI Yutaka
Proceedings of the Society Conference of IEICE   2000(2)    Sep 2000
Morita Tetsuo, Tatezumi Hiroshi, Fukunaga Yasushi, Kawanishi Yasuyuki, Kasahara Shoji, Takine Tetsuya, Takahashi Yutaka
Technical report of IEICE. TM   100(178) 67-72   Jul 2000
It has been considered that the QoS of MPEG pictures gets worse according to the increase in cell jitter of MPEG traffic. After measuring real MPEG cell stream through our experimental system under TAO project, we find that the above does not nece...
Alexelis Andreas, Kasahara Shoji, Takahashi Yutaka
Technical report of IEICE. SSE   100(14) 25-30   Apr 2000
In ATM/ABR service class, most of feedback rate control schemes work under the feedback loop between source and destination. This results in the large delay of the feedback signal and therefore it causes the unstable behavior of the rate control. ...
Tatezumi Hiroshi, Morita Tetsuo, Naka Hiroshi, Kawanishi Yasuyuki, Kasahara Shoji, Takine Tetsuya, Takahashi Yutaka
Proceedings of the IEICE General Conference   2000(2)    Mar 2000
安達 直世, 笠原 正治, 高橋 豊
日本オペレーションズ・リサーチ学会秋季研究発表会アブストラクト集   1999(0) 102-103   Sep 1999
二宮 基行, 岡田 正浩, 田地 宏一, 高橋 豊
日本オペレーションズ・リサーチ学会春季研究発表会アブストラクト集   1999(0) 164-165   Mar 1999
Kawanishi Yasuyuki, Yamagishi Kentarou, Kasahara Shoji, Takahashi Yutaka
Proceedings of the IEICE General Conference   1998(2)    Mar 1998
SAKAI Yutaka, TAKAHASHI Yoshitaka, TAKAHASHI Yutaka, HASEGAWA Toshiharu
1997(0) 56-57   Sep 1997
川崎 紀一, 高木 英明, 高橋 豊, 長谷川 利治
日本オペレーションズ・リサーチ学会春季研究発表会アブストラクト集   1994(0) 197-198   May 1994
三好 潤, 河野 浩之, 高橋 豊, 長谷川 利治
日本オペレーションズ・リサーチ学会春季研究発表会アブストラクト集   1993(0) 148-149   Mar 1993
高橋 豊
オペレーションズ・リサーチ : 経営の科学   33(5) 211-214   May 1988
高橋 豊, 長谷川 利治
オペレーションズ・リサーチ : 経営の科学   30(7) 436-441   Jul 1985
宮原 秀夫, 高橋 豊, 長谷川 利治
システムと制御   27(7) p464-468   Jul 1983
渡辺 正信, 清水 敏夫, 高橋 豊
数理解析研究所講究録   490(0) 227-247   May 1983
高橋 豊, 宮原 秀夫, 長谷川 利治
システムと制御   27(4) p260-267   Apr 1983
長谷川 利治, 宮原 秀夫, 高橋 豊
システムと制御   27(2) p114-121   Feb 1983
高橋 豊, 重田 信夫, 長谷川 利治
数理解析研究所講究録   425(0) 128-145   Apr 1981
高橋 豊, 宮原 秀夫, 長谷川 利治
システムと制御   22(12) p731-737   Dec 1978
高橋 豊, 宮原 秀夫, 長谷川 利治
電子通信学会論文誌. D   60(11) p1015-1017   Nov 1977
Transient Analysis for System Deadlock via Diffusion Approximation
Y. Takahashi, H. Miyahara and T. Hasegawa
International Symposium on Applied Mathematics and Information Science, Kyoto University, pp.4.9-4.14      1982
Analysis for Traverse Time in an Integrated Communication Network
K. Ohtsuki, Y. Takahashi and T. Hasegawa
Proceedings of the International Conference on Communications, Amsterdam, pp.1276-1279      1984   [Refereed]
ANALYSIS OF INTERDEPARTURE TIME AND RESPONSE TIME IN ASYNCHRONOUS CSMA/CD-DFT SYSTEM.
Yutaka Matsumoto; Yutaka Takahashi; Toshiharu Hasegawa
GLOBECOM'87, Tokyo, pp.582-587      1987   [Refereed]
PERFORMANCE ANALYSIS OF DYNAMIC LOCKING ALGORITHM WITH LIMITED WAIT TIME.
Jing Fei Ren; Yutaka Takahashi; Toshiharu Hasegawa
GLOBECOM'87, Tokyo, pp.2124-2128      1987   [Refereed]
Performance Evaluation for a FCFS-like Group Random Access Protocol on Bus Networks
K. Goto, Y. Takahashi and T. Hasegawa
IEEE INFOCOM '87, San Francisco, pp.19-25      1987   [Refereed]
Analysis for Hybrid Channel Assignment in Cellular Mobile Radio Communication System with Voice/Data Integration
W. Yue, Y. Takahashi and T. Hasegawa
International Conference on Communication Technology, Nanjing, China, pp.795-798      1987   [Refereed]
Performance Analysis of Go-Back-N ARQ with Limited Receiving Buffer
T. Matsui, Y. Takahashi and T. Hasegawa
GLOBECOM'87, Tokyo, pp.217-221      1987   [Refereed]
Analysis of Effect of Multiversions on Timestamp Algorithm in DDBS
J.F. Ren, Y. Takahashi and T. Hasegawa
International Seminar on Teletraffic and Network, Beijing, pp.326-330      1988   [Refereed]
Probability Distributions of Interdeparture Time and Packet Delay in a Multichannel Slotted ALOHA
W. Yue, Y. Takahashi and T. Hasegawa
International Conference on Communication Systems, Singapore, pp.8.3.1-8.3.5      1988   [Refereed]
Analysis of Impact of Network Delay on Performance of Conservative Multiversion Algorithm
J.F. Ren, Y. Takahashi and T. Hasegawa
International Conference on Communication Systems, Singapore, pp.29.6.1-29.6.5      1988   [Refereed]
Performance Analysis of a Flexible Manufacturing Cell with Waiting Storage
H.S. Ko, T. Takine, Y. Takahashi and T. Hasegawa
Proc. Int'l Conference on Systems Engineering, Nevada, Las Vegas      1990   [Refereed]
Throughput and Fairness Analysis of Prioritized Multiprocessor Bus Arbitration Protocols
M. Ishigaki, H. Takagi, Y. Takahashi and T. Hasegawa
Proc. of the International Symposium on Shared Memory Multiprocessing, pp.166--174      1991   [Refereed]
Software Environment for Hybrid Performance Evaluation Tool
H. Kawano, Y. Akamatsu, F. Ukai, Y. Takahashi, T. Hasegawa
IEEE Pacific Rim Conference on Communications, Computers and Signal Processing, pp.532--535      1993   [Refereed]
Analysis of M/G/1 Vacation Model with Exhaustive P-limited Service Discipline and Two Classes of Messages
K. Nakamura, Y. Takahashi, T. Hasegawa
Proc. of ICC'93, pp.1708--1712      1993   [Refereed]
Message Waiting Times in a LAN Using the Demand-Priority Access Method
W. Seah, Y. Takahashi, T. Hasegawa
Proc. of the 7th IEEE LAN/MAN Workshop, pp.43-50      1995   [Refereed]
An Approach for Network Diagnosis Based on Performance Analysis
K. Ori, H. Kawano, Y. Takahashi, T. Hasegawa
Proc. of the 4th International Conference on Telecommunication Systems - Modeling Analysis, pp24--32      1996   [Refereed]
Analysis of Waiting Time of Gated M/G/1/K with/without Vacations under Random Order Service and LCFS
M. Kobayashi, Y. Takahashi, T. Hasegawa
Proc. of the 4th International Conference on Telecommunication Systems - Modeling Analysis, pp110--120      1996   [Refereed]
MTexG/1 Priority Queue with Service Dependent Switchover Times and Its Application to Packet Communication Networks
W. Seah, Y. Takahashi, T. Hasegawa
Proc. of the 5th International Conference on Telecommunication Systems - Modeling Analysis, pp.613--622      1997   [Refereed]
Performance Analysis of Layered Cellular Mobile System with Handoff Queue
R. Hisatomi, Y. Takahashi and T. Hasegawa
Proc. of International Conference on Operations Research and Management Science      1997   [Refereed]
Analysis of a Queueing Model with Finite Buffer of Variable Size
I. Mutoh, Y. Takahashi and T. Hasegawa
Proc. of International Conference on Operations Research and Management Science      1997   [Refereed]
Simulation Study on ATM Network Integrating CATV and Internet : Experimental Testbed in Kobe for Constructing Robust Information Network against Destructive Disaster
N. Adachi, S. Kasahara and Y. Takahashi
Proc. of the 6th International Conference on Telecommunication Systems - Modeling Analysis      1998   [Refereed]
Probabilistic Polynomial Behavior of λ-Opt for Traveling Salesman Problems
M. Okada, K. Taji and Y. Takahashi
INFORMS Fall 1998 Seattle      1998   [Refereed]
On the Characteristics of Cell Stream in ATM Network Integrating CATV and Internet
K. Yamada, N. Adachi, S. Kasahara and Y. Takahashi
Proc. of the 7th International Conference on Telecommunication Systems - Modeling Analysis, pp.306-315      1999   [Refereed]
Simulation and Experimental Study of Jitter on ATM Multi-node Integrated Connection
T. Morita, H. Tatezumi, Y. Kawanishi, S. Kasahara, T. Takine, Y. Takahashi
Proc. of the 7th International Conference on Telecommunication Systems, pp. 380-386      1999   [Refereed]
Jitter Behavior of MPEG2 Stream in Self-similar Traffic of ATM Network Integrating CATV and Internet
N. Adachi, S. Kasahara and Y. Takahashi
Proc. of the 7th IFIP Workshop on Performance Modelling and Evaluation of ATM/IP Networks (IFIP ATM'99)      1999   [Refereed]
Modeling and Performance Analysis of Cellular Netwroks with Handoff Calls Waiting
S. Yamanaka, S. Kasahara and Y. Takahashi
Prof. of the 8th International Conference on Telecommunication Systems, pp.351-357      2000   [Refereed]
ウェーブレット変換による擬似自己相似過程の生成
佐々木隆志
電子情報通信学会技術研究報告   100(105(IN2000 33-42)) 9-16   Jun 2000   [Refereed]
Modeling and Performance Evaluation of Bluetooth Using Polling Models
K. Kanan and Y. Takahashi
The Sixteenth Triennial Conference of the International Federation of Operational Research Societies      2002   [Refereed]
Performance Analysis of XOR-based Hyper-Content with Random Combination
K. Thongsisod, T. Sasaki and Y. Takahashi
Proc. of the First International Working Conference on Performance Modelling and Evaluation of Heterogeneous Networks(HET-NETs '03), pp.36/1--10      2003   [Refereed]
Performance Analysis of Rich Content Distribution under Real-Time Constraint
Y. Takahashi
Proc. of the 10th Polish Teletraffic Symposium PSRT 2003, pp.11-25      2003   [Refereed]
Performance Analysis of SR-ARQ for Real-Time Content Distribution
S. Sunahara, M. Kohno, E. Itakura and Y. Takahashi
Proc. of 11th International Conference on Telecommunication Systems, Modeling and Analysis (ICTSM11), pp.178--188      2003   [Refereed]
Comparison of Loss Resilient Ability between the Multi-Stage and Reed-Solomon Codings
T. Morita, H. Nishimoto, T. Sasaki and Y. Takahashi
Proc. of 11th International Conference on Telecommunication Systems, Modeling and Analysis (ICTSM11), pp. 113--120      2003   [Refereed]
Fractal Regular Erasure Code for Burst Error Tolerance
T. Sasaki and Y. Takahashi
Proc. of the 3rd International Conference on Networking ICN'04, pp. 1078--1083      2004   [Refereed]
Packet Loss and Delay Jitter Characteristics of the Internet - VoD Trial Service with Packet Recovery
Tetsuo Morita, Yutaka Majima, Toshihiro Takashima, Takahiro Kusumoto, Takashi Sasaki, and Yutaka Takahashi
12th International Conference on Telecommunication Systems Management      2004   [Refereed]
Performance of DMBS Wireless System with Reservation Mini-slots
Y. Mukai and Y. Takahashi
Proc. of the Seventh ACM International Symposium on Modeling, Analysis and Simulation of Wireless and Mobile Systems      2004   [Refereed]
Performance analysis of a DMBS wireless system with reservation mini-slots
Y. Mukai; Y. Takahashi
2005 International Conference on Wireless and Optical Communications Networks   501-505   2005   [Refereed]
Controlling Unresponsive Flows with Stateless Information
Tetsuji Yamaguchi and Yutaka Takahashi
Proc. of International Conference on Telecommunication Systems, Modeling and Analysis (ICTSM2005), pp. 163-170      2005   [Refereed]
Multi-stage job-shop scheduling with crane interference
T. Tanizaki; H. Sakai; Y. Takahashi; T. Tamura; T. Imai
Proceedings of the SICE Annual Conference   3231-3236   2005   [Refereed]
T. Phung-Duc; H. Masuyama; S. Kasahara; Y. Takahashi
HUT-ICCE 2006 First International Conference on Communications and Electronics, Proceedings   PART 1 35-40   2006   [Refereed]

Books etc

 
Queueing Theory and Network Applications
Do, T.V., Takahashi, Y., Yue, W., Nguyen, V.-H (Part:Editor, Advances in Intelligent Systems and Computing)
Springer   2016   
足立 紀彦, 高橋 豊, 酒井 英昭, 飯国 洋二
コロナ社   Jul 1996   ISBN:4339040657
Computer Networking and Performance Evaluation
T. Hasegawa, H. Takagi, Y. Takahashi
North-Holland, Amsterdam   1986   
Performance of Distributed and Parallel Systems
Toshiharu Hasegawa, Hideaki Takagi, Yutaka Takahashi
North-Holland, Amsterdam   1989   
Performance of Distributed Systems and Integrated Communication Networks
T. Hasegawa, H. Takagi, Y. Takahashi
North-Holland, Amsterdam   1992   

Research Grants & Projects

 
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(B))
Project Year: 2006 - 2009    Investigator(s): Yutaka TAKAHASHI
We developed mathematical models and performance analysis methodologies to evaluate the quality of service (QoS) of large-scale content discovery and delivery systems. In terms of those models, we evaluated the transmission delay and packet/frame ...
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(C))
Project Year: 2006 - 2007    Investigator(s): Shoji KASAHARA
In overlay networks consisting of underlying physical nodes and links, data files are transferred by overlay routing managed at application level. The end-to-end file transfer delay depends on both logical and physical topologies resulting from ov...
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(B))
Project Year: 2002 - 2005    Investigator(s): Yutaka TAKAHASHI
We have carried out our research actively towards developing a highly efficient content delivery network from theoretical point of view. Some of our achievements are listed below.・We have investigated the impact of long-range dependence arising in...
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(C))
Project Year: 2001 - 2002    Investigator(s): Hideaki TAKAGI
(1) Design Evaluation of Web Pages in E-commerce SitesWe have proposed a Markov chain model for the process of reaching the target page by successively selecting the links on the web pages in an e-commerce site. Our model has been applied to the e...
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(C))
Project Year: 2000 - 2001    Investigator(s): Yutaka TAKAHASHI
1. A queueing model with batch arrivals and random scheduling of customers where a single server takes vacations occasionally is proposed and analyzed in order to model multimedia traffic.2. QoS of communication networks is highly dependent on the...