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Title: Enhancing End-to-End Total Throughput and Fairness in Wireless Mesh Networks with Error-free Channel
Authors: 徐志偉
Keywords: 無線網狀網路;公平性
Date: 2006
Issue Date: 2017-10-12 10:36:23 (UTC+8)
Abstract: 無線網狀網路(Wireless Mesh Networks)簡稱為WMNs,除了提供寬頻上網的骨幹外並可整合現有的無線網路(如Wi-Fi、MANET、Sensor networks),因此,它可延伸網路的涵蓋範圍,提供一個「Anytime , Anywhere」的漫遊環境。本論文探討WMN chain topology 下MAC layer與end-to-end fairness問題並修改現存MAC layer DCF協定以提出改善的機制,分別為TDS (Token-based Distributed Scheduling)及Per flow fair queuing。傳統802.11 MAC協定由於queuing effect造成節點發生starvation的現象,而TDS採用Per flow fair queuing機制之後,呈現較佳的fairness結果。當考量往單一方向資料傳送的情況,collision domain為三個節點的TDS-3機制符合較佳spatial reuse的精神,因此,於end-to-end total throughput的結果較collision domain為四個節點的TDS-4佳。
Relation: TANET 2006 台灣網際網路研討會論文集
Data Type: conference
Appears in Collections:[TANET 台灣網際網路研討會] 會議論文

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