教師資料查詢 | 類別: 期刊論文 | 教師: 王英宏 Wang Ying-hong (瀏覽個人網頁)

標題:Multipath QoS Routing with Interference Provision in Ad Hoc Wireless Network
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學期
出版(發表)日期2006/11/01
作品名稱Multipath QoS Routing with Interference Provision in Ad Hoc Wireless Network
作品名稱(其他語言)
著者王英宏; Wang, Ying-hong; 林宏儒; Lin, Hung-zu
單位淡江大學資訊工程系
出版者中央研究院資訊科學研究所
著錄名稱、卷期、頁數Journal of Information Science and Engineering 22(6), pp.1325-1338
摘要Mobile nodes are interconnected via multihop routing paths that consist of unstable radio links in ad hoc wireless network. Providing QoS routing for such networks is complex owing to imprecise network information, insufficient bandwidth and dynamic topology. Many multipath routing protocols have been proposed to improve network stability and throughput. The sender node discovers multiple disjoined routing paths and spreads traffic among them according to their delay or available bandwidth. For real-time multimedia application, insufficient bandwidth or unstable throughput invite unexpected delays or jitters. Some multipath routing protocols pre-evaluate available path bandwidth and select sufficient bandwidth from them. To minimize the path cost, paths with smaller hopcounts are selected in advance. These selected paths are generally too closed and the total network throughput cannot simple be summed due to "path interference". Discovering and selecting multiple high-interference paths is ineffectual and the total available bandwidth is not precise. In this paper, we proposed an interference- aware QoS multipath routing protocol for QoS-constraint multimedia or real-time applications in ad hoc wireless network. Specifically, this paper applied a scheme for evaluating available bandwidth according to the network capacities with different Media Access Control (MAC) protocols. In this paper, we show the "Interference ratio" of multi- path and we also evaluate the stability and throughput improvement is assessed through simulations.
關鍵字ad hoc networks; multipath routing; interference; QoS; multimedia
語言英文
ISSN1016-2364
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