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研究生:李延斌
研究生(外文):Yen-Bin Lee
論文名稱:無線網狀網路上行傳輸之配額移轉協定
論文名稱(外文):The Quota Transfer Protocol for Upstream Transmissions in Wireless Mesh Networks
指導教授:黃文祥黃文祥引用關係
指導教授(外文):Wen-Shyang Hwang
學位類別:碩士
校院名稱:國立高雄應用科技大學
系所名稱:電機工程系碩士班
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2007
畢業學年度:95
語文別:中文
論文頁數:74
中文關鍵詞:無線網狀網路媒體存取控制公平性服務品質
外文關鍵詞:Wireless Mesh NetworkMedium access controlFairnessQuality of service (QoS)
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近年來無線網狀網路備受世人的重視,在無線網狀網路中,用戶的資料在無線網狀網路之骨幹網路經由多重跳躍的方式將資料轉送至網狀網路入口節點以連接至網際網路。
本論文所提出的配額移轉協定是用於無線網狀網路骨幹網路傳遞資料上行時的一個排程方式,這個協定可以保證每一個無線網狀網路節點享有固定之吞吐量,並可以避免因(載波偵測多重存取/碰撞避免)機制在無線網狀網路上所造成的隱藏節點及公平性的問題。模擬的結果顯示出本文提出的機制的確能對經過多重跳躍的資料流的效能大幅提升。
Wireless Mesh Network (WMN) makes people to pay much attention in recent years. In WMN, the data from subscriber can be relayed by multi-hop communication in the wireless mesh backhaul to the Mesh Portal Point (MPP) for accessing the wired Internet.
This paper proposes a wireless scheduling protocol named Quota Transfer Protocol for data upstream transmission in wireless mesh backhaul. This protocol can guarantee the throughput from each mesh points to MPP in order to deal with the fairness problem and hidden node problem caused by CSMA/CA mechanism. Simulation results reveal that our proposed scheme improves the performance of multihop flows.
摘 要
ABSTRACT
第一章 前言
1-1 無線網狀網路介紹
1-2 研究動機
1-2-1 無線隨意網路中隱藏節點與暴露節點的問題
1-2-2 無線網狀網路中公平性的問題
第二章 相關研究
2-1 THE NOMINAL CAPACITY OF WIRELESS MESH NETWORK
2-2 漣波協定RIPPLE
2-3無線網狀網路解決公平性問題的機制
2-3-1 免競爭存取的PCF機制
2-3-2 佇列控管機制
第三章 QUOTA TRANSFER PROTOCOL
3-1 QUOTA TRANSFER PROTOCOL 網路模型
3-2 QUOTA TRANSFER PROTOCOL系統架構
3-3 QTP運作說明
3-3-1 使用訊框種類
3-3-2 運作模式說明
3-4 圖示說明 QUOTA TRANSFER PROTOCOL運作情形
3-4-1 場景1(SCENRIO 1),高負荷量之運作情形
3-4-2 場景2(SCENRIO 2),中負荷量之運作情形
3-4-3 場景3(SCENRIO 3),低負荷量之運作情形
3-4-4 場景4(SCENRIO 4),錯誤發生之運作情形
第四章 模擬結果及討論
4-1 QUOTA TRANSFER PROTOCOL 模擬環境及參數
4-2 QUOTA TRANSFER PROTOCOL 模擬結果
4-2-1 場景1(SCENRIO 1),高負荷量之運作情形
4-2-2 場景2(SCENRIO 2),中負荷量之運作情形
4-2-3 場景3(SCENRIO 3),低負荷量之運作情形
4-3 討論與改進
4-3-1 資料訊框的大小對吞吐量的影響
4-3-2改進後增加吞吐量的IQTP機制
第五章 結論
參考文獻
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[23]RFC 3561,http://tools.ietf.org/html/rfc3561
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