| Project/Area Number |
01044072
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| Research Category |
Grant-in-Aid for Overseas Scientific Survey.
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| Allocation Type | Single-year Grants |
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| Research Institution | Kyoto University |
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Principal Investigator |
HASEGAWA Toshiharu Professor, Kyoto University, Faculty of Engineering, 工学部, 教授 (40025911)
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| Co-Investigator(Kenkyū-buntansha) |
TAKINE Tetsuya Assistant Professor, Kyoto University, Faculty of Engineering, 工学部, 助手 (00216821)
TAKAHASHI Yutaka Associate Professor, Kyoto University, Faculty of Engineering, 工学部, 助教授 (00135526)
OIE Yuji Associate Professor, Sasebo College of Technology, 助教授 (50167293)
NISHIO Shojiro Associate Professor, Osaka University, Faculty of Fundamental Science, 基礎工学部, 助教授 (50135539)
MIYAHARA Hideo Professor, Osaka University, Faculty of Fundamental Science, 基礎工学部, 教授 (90029314)
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| Project Period (FY) |
1989
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| Project Status |
Completed (Fiscal Year 1989)
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| Keywords | Modelling / Performance Evaluation / Multimedia Communication / Local Area Network / Database Systems Traffic / Polling Systems / CSMA protocol / Token Passing / ト-クン方式 |
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| Research Abstract |
In order to establish modelling techniques and tools for performance evaluation of information systems and to consider their applications, the members mainly of Kyoto University and those of Columbia University carried out their joint research and achieved useful theoretical results. Some of them are as follows 1. They analysed an asymmetric polling system with single buffers, which is a mathematical model of token passing local area networks. 2. They analyzed a token passing local area network interconnected with external networks and evaluated several performance measures. 3. They analyzed a polling system with correlated input which mathematically models multimedia local area networks under token passing scheme. 4. They investigated the effect of packet length distribution on performance measures in CSMA local area networks and analyzed the output process of the system.
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