| 研究生: |
李健銘 Chien-Ming Li |
|---|---|
| 論文名稱: |
在無線群播網路中提供具服務品質保證之研究 Research on QoS Multicast Routing in Wireless Networks |
| 指導教授: |
吳中實
Jung-Shyr Wu |
| 口試委員: | |
| 學位類別: |
碩士 Master |
| 系所名稱: |
資訊電機學院 - 通訊工程學系 Department of Communication Engineering |
| 畢業學年度: | 93 |
| 語文別: | 中文 |
| 論文頁數: | 74 |
| 中文關鍵詞: | 基因演算法 、最小成本生成樹 、服務品質保證 、無線群播網路 |
| 外文關鍵詞: | QoS, Genetic Algorithm, Minimum Spanning Tree, Wireless Multicast Networks |
| 相關次數: | 點閱:9 下載:0 |
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隨著即時(real-time)應用的需求增加,無線網路的普及,多媒體的應用,如視訊會議、遠距教學等,這類的應用是以群播(Multicast)為基礎,加上需要有服務品質(QoS)的保證,這也使得具服務品質保證的群播路由算法更顯得重要。
在Mobility Support in IP中,規定了Remote Subscription和Bi-directional Tunneling兩種方法來支援移動式網路環境下的多點傳輸技術,本文以Remote Subscription為基礎,結合最小成本生成樹與最佳化演算法─基因演算法之概念,以單播(Unicast)的方式建置群播樹(Multicast Tree),根據群播應用所需的QoS參數,如頻寬保證(Bandwidth Guarantee)、端對端延遲(End-to-end Delay)和頻寬利用(Bandwidth Utilization)等,計算出一個滿足各項QoS參數之群播樹,也針對以基因演算法為基礎的群播路由演算法最大缺點─運算時間做改善,讓具服務品質保證之群播路由演算法,不因為減少運算時間而失去具服務品質保證的本意,也證明本演算法有效改善目前文獻所提出的算法。
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[2]C. Perkins, “IP mobility support”, RFC 2002.
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