改良式動態路由協定與無線感測網路壽命之研究

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題名:	改良式動態路由協定與無線感測網路壽命之研究
其他題名:	Improved Dynamic Routing Protocol and the Lifetime of Wireless Sensor Networks
作者:	陳侑廷 YU-TING CHEN
貢獻者:	林祝興 Chu-Hsing Lin 資訊工程學系
關鍵詞:	生命週期;備援;動態式路由;路由協定;無線感測網路 dynamic routing;backup;routing protocol;wireless sensor network;lifetime
日期:	2014
上傳時間:	2015-04-15T02:53:43Z (UTC)
摘要:	近些年，無線感測網路的技術越來越進步，感測器的低耗電、備援與路由一直在此感測網路領域非常熱門。封包的傳送需透過節點間相互合作，此研究的重點在於探討無線感測網路的各種傳輸協定、拓樸結構、封包重傳和拓樸重建等問題。經由分析目前現有無線感測網路協定的各項缺失，提出有效率的封包傳遞方式，設計出能有效延長網路生命週期的路由協定。本篇論文提出一個在無線感測網路上的動態路由協定，主要方法是封包在節點傳遞時利用動態式路由傳遞，避免同一節點被多個節點固定傳送封包而導致節點提早死亡，改善外圍節點都還活著而中間轉送的節點都已死亡的情況，以此延長無線感測網路壽命。我們使用NS2 (Network Simulator 2) 進行模擬，由實驗發現使用動態式路由協定後，將明顯延長無線感測網路的壽命，未來無線路由協定之設計可以基於此動態路由協定來做更多的研究。 ABSTRACTOver the past decade, research on wireless sensor networks has been active, including low power consumption and backup and routing path. Transmission of packets requires cooperation among nodes. Hence this work focuses on investigating communication protocol, topology, packet retransmission, and topology reconstruction of wireless sensor networks. Through analysis of current routing protocols of wireless sensor networks, an effective packet transmission method as well as a routing protocol is proposed to extend the life cycle of wireless sensor networks.We propose a dynamic routing protocol for wireless sensor networks, in which a dynamic routing path is used for packet transmission mainly to avoid early death of wireless sensor networks caused by frequently sending packets to the same node from multiple nodes. Thus, the lifetime of the wireless sensor network can be prolonged by avoiding situations that the external nodes are still alive while the intermediate forwarding nodes are dead. We use Network Simulator 2 (NS2) for simulations. The experimental results show that the dynamic routing protocol has significant improvement of life time of wireless sensor networks.In the future, we plan to do more research on design and implementation of wireless sensor networks based on the proposed dynamic routing protocol.
顯示於類別:	[資訊工程學系所] 碩士論文

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