應用睡眠排程於無線感測網路之路由協定

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Title:	應用睡眠排程於無線感測網路之路由協定
Other Titles:	A routing protocol based on power-controlled sleep scheduling for wireless sensor networks
Authors:	林育朱;Lin, Yu-chu
Contributors:	淡江大學資訊工程學系碩士在職專班王英宏
Keywords:	無線感測網路;路由協定;傳輸功率控制;Wireless sensor networks;Routing Protocol;Transmission Power Control
Date:	2010
Issue Date:	2010-09-23 17:34:29 (UTC+8)
Abstract:	無線感測網路(Wireless Sensor Networks, WSNs)是由一群分散的感測器和基地台所組成，可使用在各種遠端監控系統的應用上。感測器將其所感測的資料透過多重跳躍（multi-hop）方式回傳給基地台，這些感測器通常使用電池來運作，當能源耗盡時是不能替換電池，因此如何有效的節省電能的使用以延長整體感測網路的工作時間是個重要的議題。本篇研究中，我們將以「應用於無線感測器網路中以休眠排程為基礎之電源管控機制」為研究基礎，提出應用休眠排程於無線感測網路之路由協定。安排休眠機制的感測網路環境中，雖然時間同步，但各個節點的活動時間會依狀態調整而提早進入睡眠狀態，在多重跳躍的傳輸模式下，每個節點需透過廣播封包確認下一個代傳節點後才能將資料送出。因此我們希望透過建立路由資訊，以減少傳輸過程的廣播次數，而當路徑節點剩餘電量不足無法轉送時，利用中斷處理程序尋找新的路徑，以維持路徑的完整，減少傳送過程中封包的遺失。在最後，依據論文中所提出的演算法，我們將透過模擬來驗證資料傳輸過程中能有效的減少電能的消耗，達到省電的效益。 Wireless Sensor Networks is dispersed by a group composed of sensors and Base Stations. It can be used in various applications of remote monitoring system. Sensor nodes route the collected data to the Base Station via multi-hop wireless links. These sensors typically use batteries to operate, the battery cannot be replaced when the depletion of energy resources. Therefore, how to use energy-saving sensor networks to extend the overall working time efficiently is an important subject. Our research is base on “A Power Control Mechanism based on Sleep Scheduling for Wireless Sensor Networks”. We proposed a refined mechanism of routing protocol for wireless sensor networks with sleep scheduling. In wireless sensor network with sleep scheduling, active node adjusts its working time and even step in sleeping state earlier. In the multi-hop transmission mode, each node broadcasts the packet to confirm the receiving node. Therefore, we use routing information to reduce the number of broadcasting during transmission. When route node with low rest power cannot transfer, to remain completed route, we can execute interrupt handler procedure to reduce the package loss. Finally, to achieve power efficiency, we will simulate if the proposed algorithm can reduce energy consumption effectively in the data transmission procedure.
Appears in Collections:	[Graduate Institute & Department of Computer Science and Information Engineering] Thesis

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