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研究生:鄧萬慶
研究生(外文):Patrick
論文名稱:行動隨意網路上以延遲為基準的路由方式之研究
論文名稱(外文):A Study on Delay-based Routing for Mobile Ad-hoc Networks
指導教授:唐政元
指導教授(外文):Cheng-Yuan Tang
學位類別:碩士
校院名稱:華梵大學
系所名稱:資訊管理學系碩士班
學門:電算機學門
學類:電算機一般學類
論文種類:學術論文
論文出版年:2005
畢業學年度:93
語文別:中文
論文頁數:36
中文關鍵詞:延遲路由選擇行動隨意網路服務品質路由
外文關鍵詞:delay、route selection、MANET、QoS、routing
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行動隨意網路(Mobile Ad-Hoc Network, MANET)是重要的網路型態。行動隨意網路具有變動性與不穩定性,這使得傳統的路由協定不適合於行動隨意網路。由於這種變動性與不穩定性,需求為主的路由方式(On-Demand Routing)成為行動隨意網路上常用的路由方式。以往需求為主的路由方式以最短路徑為路由選擇的準則,這常引起負載不平衡,使得資源使用率不高及資源浪費,進而影響傳輸品質。本研究將討論各種延遲為基準(Delay-based)的路由選擇準則,並檢視其對傳輸品質之影響。本研究在行動隨意網路所提出的路由協定AODV (Ad hoc On-demand Distance Vector Routing Protocol)上進行實驗,我們計算封包在每個節點上所經歷的各種延遲,並實驗以各種延遲為路由選擇基準。實驗證明各種以延遲為基準的AODV其效能並沒有很大差距。此外,行動隨意網路上MAC層競爭不公平,使得以往各種以佇列為基礎的技巧顯得不精確。
Mobile Ad-Hoc Network(MANET) is an important type of network. But variation、instability and the inborn limited all make it face the challenge. This make traditional routing algorithms not suitable for MANET such that On-Demand routing is commonly used on MANET. The path selection criteria of previous On-Demand routing is based on the shortest hop counts. This way may cause load-unbalance, low resource utilization, and low transmission quality. Our research will be analyze the transmission quality based on various delay-based path selection criteria on the On- Demand routing. We calculated the package’s delay which through on each node, and the experiment various kinds of delay as the route select principle. Experiment show that the performance of the different route selection criteria based on delay is similar. Moreover, the situation of MAC contention is critical, even the nodal queue short, still cause the packet has big queue delay. It also make various kinds of skills which base on queue not precisely any more.
中文摘要 I
Abstract II
目錄 III
圖錄 V
一、緒論 1
二、背景介紹 4
2.1.MANET 4
2.2.AODV 7
三、以延遲為基礎之AODV 12
3.1.資訊收集 13
3.2.路徑要求 14
3.3.路徑回覆 15
3.4.路徑維護 16
3.5.相關之路由選擇演算法 16
四、實驗環境與結果 18
五、結論與未來方向 27
參考文獻 28
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[17] Hua-Wen Tasi, Tzung-Shi Chen and Chih-Ping Chu, “An On-Demand Routing Protocol with Backtracking for Mobile Ad Hoc Networks,” Proceedings of 2004 IEEE Wireless Communications and Networking Conference (WCNC 2004), Atlanta, Georgia, USA, March 2004.
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[19] X. Zheng, W. Guo, R. Liu, Y. Tian, “A New Dynamic Load-aware Based Load-balanced Routing for Ad Hoc Networks,” Communications, Circuits and Systems, Vol.1, pp.407-411, 2004.
[20] A. Zhou and H. Hassanein, “Load-Balanced Wireless Ad Hoc Routing,” Electrical and Computer Engineering, Vol. 2, pp.1157-1161, 2001.
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