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研究生:賀士健
研究生(外文):Shih-Chien Ho
論文名稱:隨意型無線網路多重路徑備援機制
論文名稱(外文):A Novel Mechanism for Inter-packet and Multipath Redundant in Ad Hoc Networks
指導教授:廖鴻圖廖鴻圖引用關係郭明煌郭明煌引用關係
指導教授(外文):Horng-Twu LiawMing-Huang Guo
學位類別:碩士
校院名稱:世新大學
系所名稱:資訊管理學研究所(含碩專班)
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:2008
畢業學年度:96
語文別:中文
論文頁數:94
中文關鍵詞:隨意型無線網路多重路徑演算法封包備援傳送
外文關鍵詞:Mobile Ad hoc NetworksMultipath AlgorithmPacket Redundancy Transmission
相關次數:
  • 被引用被引用:1
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  • 下載下載:48
  • 收藏至我的研究室書目清單書目收藏:0
隨著科技的發達,許多的組織及公司已經從傳統的有線網路環境,逐漸更新導入到建置快速及方便高的無線網路環境,然而固定式的無線網路無法滿足在公司以外的使用者,所以有愈來愈多的組織及公司都需要有機動性高的移動式無線網路,以利隨時接收資訊及快速回應狀況的處理。
由於隨意型移動式無線網路的特性是無線網路中的各節點可以任意移動,也可以相互傳輸資料,所以,節點常因移動而離開網路可傳輸的範圍之外,或是因電力不足而導致傳輸訊號中斷,也可能會因為鄰近節點正在傳送訊號,而造成訊號干擾等狀況,使網路中傳送的路徑壅塞以及封包流失,進而封包重新傳送會使路徑更為壅塞,造成網路傳輸效能低落。
本研究提出一個在隨意型無線網路上透過路徑訊號權值演算法選擇出最為穩定多重路徑方式,加入封包間備援傳送機制,使封包可以在多重路徑路由的備援傳送下,即使有任何一條路徑發生中斷無法傳送封包,或是在時限內發生延遲送達等狀況時,目的端仍然可以收到完整的原始資料內容,因此該路徑遺失的封包無需重新傳送,可減少封包壅塞以增加網路品質。
As technology advances, many of the organizations and companies from the traditional wired network environment, gradually updated to import and to facilitate the rapid deployment of high wireless network environment, however the stationary wireless network was unable the user who satisfied outside the company, therefore had increasingly many organizations and the company all needs to have high mobility of the mobile wireless network for the benefit at any time to receive information and respond quickly to deal with the situation.
The characters of Mobile Ad Hoc Networks (also known as MANETs) are that each node in the wireless network is mobile and can transmit data to each other. Therefore, transmission signals are often disconnected due to nodes move out to transmittable areas or simply because of energy shortage. The other reasons for disconnection can be caused by signal interference of nearby nodes transmission, which result in route congestion or packet loss. Packet retransmitting could make the congestion even worse and cause poor network transmission performance.
This research is to bring up a mechanism to transmit instant voice via multi-path in random wireless network. Through "Inter-packet Redundancy" mechanism ensures the data completeness by delivering the instant packets through multi-path, by which, reduce package congestion and improves network performance.
摘要 I
Abstract II
目錄 III
圖目錄 V
表目錄 VII
第一章 緒 論 1
1.1 研究動機 1
1.2 研究目的 3
1.3 研究範圍 4
1.4 論文架構 4
第二章 文獻探討 5
2.1 隨意型無線網路 5
2.2 路徑路由演算法 9
2.2.1 非調適性演算法 9
2.2.2 可調適性演算法 10
2.3 相關研究 11
2.3.1 Path Selection Algorithm in Homogeneous Mobile Ad Hoc Networks 11
2.3.2 A Multi-Path Routing Approach Based on End-to-End Reliability 16
2.3.3 Supporting Real-time Speech on Wireless Ad Hoc Networks:Inter-Redundancy, Path Diversity and Multiple Description Coding 21
2.3.4 A Multi-Flow Realtime Transport Protocol for Ad Hoc Networks 25
2.3.5 On Supporting Real-time Speech over Ad Hoc Wireless Networks 29
2.3.6 Ad Hoc On-Demand Distance Vector Routing 31
2.4 綜合討論 35
第三章 本文機制 37
3.1 以多重路徑路由傳送備援封包 37
3.1.1 路徑選擇演算法 39
3.1.2 與其他演算法比較 46
3.1.3 多重路徑路由封包間備援 51
3.2 系統架構 59
3.3 實驗假設 60
3.3.1 模擬參數 60
3.3.2 環境假設 61
3.4 實驗模擬 61
3.5 實驗結果 62
3.5.1 Average End-to-end Delay Time 62
3.5.2 Throughput 63
3.5.3 Segment Loss Ratio 65
3.5.4 多路徑效能比較 67
3.6 小結 76
第四章 結論及未來研究 78
4.1 結論 78
4.2 未來研究建議 80
參考文獻 82
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