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研究生:連紀舜
研究生(外文):Chi-Shun Lien
論文名稱:智慧型運輸系統通訊協定堆疊之評估研究
論文名稱(外文):The Study of the Evaluation of NTCIP Protocol Stack
指導教授:王晉元王晉元引用關係
指導教授(外文):Jin-Yuan Wang
學位類別:碩士
校院名稱:國立交通大學
系所名稱:運輸科技與管理學系
學門:運輸服務學門
學類:運輸管理學類
論文種類:學術論文
論文出版年:2002
畢業學年度:90
語文別:英文
中文關鍵詞:智慧型運輸系統通訊協定堆疊
相關次數:
  • 被引用被引用:0
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  • 收藏至我的研究室書目清單書目收藏:2
在結合了資訊、通訊、控制與運輸的專業知識而成的智慧型運輸系統已經成為現今解決交通問題的趨勢。然而在落實智慧型運輸系統的建設時,我們必將面臨到系統中不同單元資料傳遞互相溝通的問題,在這樣的需求下,美國提出了NTCIP的架構來解決這樣的問題。
本研究之目的在於在NTCIP的架構下提出一個模擬的平台來瞭解資料封包在網路中各層中傳遞的情形,並且考慮到在智慧型運輸系統的應用中,所需要的即時資訊傳輸,希望能夠藉由調整重要參數之設定值來增進網路傳輸的效率達成即時資訊傳輸的應用。
本研究結果在於定義出傳輸層中對於資料封包傳輸會產生重要影響的參數,並且根據不同的網路狀態動態即時地調整出最佳的參數設定值。本研究定義出三個主要影響的參數為資料封包重傳的次數、可以接受服務的資料封包數以及資料封包回傳的時間設定值。
本研究的結果顯示出了在網路各種狀態下時各個參數影響的程度。並且顯示出在考慮單一參數所產生的影響結果以及同時考量兩個參數所產生的影響結果,可以瞭解到在各種網路狀態下較好的參數設定值

NTCIP is a protocol stack required for all components’ communication in ITS to address the interconnectivity, the interchangeability and the interoperability related issues.
This thesis proposes a simulation model for the data packet transmission. We use the numerical experiments to verify the proposed model. We use the inter-arrival time and the amount of arrived data packets as the two indices to help us evaluate the model.
We suggest the values of adjustable parameters, queue length, timeout period and retrial, in three scenarios, which are high arrival rate, middle arrival rate and low arrival rate. We also considered two phases, adjusting only one variable and adjusting two parameters simultaneously.

Chapter1 Introduction 5
1.1 Motivation 5
1.2 Objective 9
1.3 Study Flowchart 10
Chapter2 Literature Review 12
2.1 Review of National Transportation Communication for ITS Protocol (NTCIP) 12
2.1.1 Introduction of NTCIP 12
2.1.2 Benefits of NTCIP 13
2.1.3 The NTCIP Standards Framework 13
2.2 Review of Transport level with TCP/IP and UDP/IP 17
2.2.1 TCP (Transmission Control Protocol) and UDP (User Datagram Protocol) 17
2.2.2 Comparison of UDP and TCP 20
2.3 Simulation in communication Network 22
2.3.1 Simulation for layered communication 22
2.3.2 Evaluation Indices of layered communications 22
Chapter3 System Framework 24
3.1 Adjustable Parameters 27
Chapter4 Data Transmission Simulation Model 28
4.1 Basic Assumptions 28
4.2 Rationale of Data Transmission Simulation Model 29
4.3 Data Flow of Simulation Model 31
Chapter5 Numerical Experiments 35
5.1 Basic Experiments 35
5.1.1 Amount of transmitted data packets 35
5.1.2 Inter-arrival Time 36
5.2 Adjustable Parameters Experiments 38
5.2.1 Adjust One Parameter 39
5.2.2 Adjust Two Parameters 45
5.3 Summary 55
Chapter6 Conclusion and Suggestion 57
6.1 Conclusion 57
6.2 Suggestion 59
References 60

1. American Association of State Highway and Transportation Officials (AASHTO), Institute of Transportation Engineers (ITE), National Electrical Manufacturers Association (NEMA), “The NTCIP Guide, NTCIP 9001 v02.06”, (1999).
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4. Yamamoto, M.; Akiyoshi, I.; Nakanishi, H.; Sanada, H.; Tezuka, Y., ”Performance of window flow control scheme for interconnected packet networks”, Communications, 1988. ICC '88. Digital Technology - Spanning the Universe. Conference Record., IEEE International Conference on , vol.2, pp1162-1166 (1988).
5. Apostolopoulos, T.K.; Daskalou, V.C. “A model for SNMP based performance management services”, Networks, 1995. Theme: Electrotechnology 2000: Communications and Networks. International Conference on Information Engineering., Proceedings of IEEE Singapore International Conference on , pp269-273, (1995 ).
6. Hiroshi Inai, Tokumi Yokohira, Masayuki Murata, Hideo Miyahara, “Performance Evaluation of Layered Communication Protocol”, Electronic and Communications in Japan, part1, Vol. 74, No. 4, pp13-24 (1991).
7. Jaime Jungok Bae, Tatsuya Suda, Naoya Watanabe, “Evaluation of the Effects of Protocol Processing Overhead in Error Recovery Schemes for a High-Speed Packet Switched Network: Link-by-Link versus Edge-to-Edge Schemes”, IEEE Journal on selected areas in communications, Vol. 9, No. 9, pp1496-1509 (Dec., 1991).
8. Ihsan Khan, Graham Knight, “SNMP and OSI Management Information Modeling and Translation: A case study”, INFOCOM '96. Fifteenth Annual Joint Conference of the IEEE Computer Societies. Networking the Next Generation., Proceedings IEEE , pp481 -488 (1996).
9. X. Du, M. Shayman, M. Rozenblit, “Implementation and Performance Analysis of SNMP on a TLS/TCP Base”, Integrated Network Management Proceedings, 2001 IEEE/IFIP International Symposium on, pp453-466 (2001).
10. S. Amarnath, Anurag Kumar, “A New Technique for Link Utilization Estimation in Packet Data Networks using SNMP Variables”, Global Telecommunications Conference, 1997. GLOBECOM '97., IEEE, Vol. 1, pp212-216 (1997).
11. Therdore K. Apostolopoulos, Victoria C. Daskalou, “A Model for SNMP Based Performance Management Services”, IEEE Catalogue No. 95TH8061, pp269-273 (1995).

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