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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/74621

    Title: 應用於群集式無線感測器網路之移動目標物動態追蹤機制
    Other Titles: A dynamic tracking mechanism for mobile target in cluster-based wireless sensor networks
    Authors: 王為傑;Wang, Wei-Jie
    Contributors: 淡江大學資訊工程學系碩士班
    王英宏;Wang, Ying-Hong
    Keywords: 目標物追蹤;無線感測器網路;群集;Target Tracking;Wireless Sensor Networks (WSNs);Cluster
    Date: 2011
    Issue Date: 2011-12-28 19:04:59 (UTC+8)
    Abstract: 無線感測器網路(Wireless Sensor Networks ,WSNs)大部分是由資料收集節點(sink)和許多的感測器節點(sensor nodes) 所組成的網路,其組合可以覆蓋一個廣大區域範圍稱為感測範圍,在此範圍內進行監測與無線通訊,其中感測器節點的特性是低成本、體積小且具有感測周遭事物的能力、資料處理的能力以及無線通訊的能力。感測範圍中,感測器的佈點及使用上也是極其容易的,但由於這些優點卻也使得在使用上有所限制,例如:無線感測器網路整體效能(performance)和生命周期(life time) 都因感測器本身電量的限制而有所顧慮。
    Wireless Sensor Networks (WSNs) are consisting of sink and sensor nodes. They can cover a wide range that called sensing range. The sensor node can monitor this range and communicate with other sensor node. The quality of sensor node is low-cost, small volume. And it can sense environmental things, process information and communicate wirelessly. In sensing range, the dispose and use of sensor are very easy, but because these advantages make limit to use, for example, performance of wireless sensor networks and life time limit because of limited energy of sensor itself.
    In WSNs how save energy for target tracking is a important issue. The energy-saving method is to make nodes sleep that do not have targets, and nodes having targets process sensing with awaking scheme can save energy. If nodes enter sleep state too much, targets easily move in sleeping nodes. There are no targets which sensor nodes sense, resulting in losing targets. Finding these losing targets back would result in high-cost consuming energy, so it would notice accuracy of tracing targets when saving energy.
    In this proposal, it offers a scheme about trace of moving target. It use cluster and use algorithm of different strength and energy-consuming according to different possibility of losing targets. The possibility of lose is aimed to different acceleration of target and wake up different number of nodes. Lowering losing rate of target can own energy-saving and performance improve.
    Appears in Collections:[Graduate Institute & Department of Computer Science and Information Engineering] Thesis

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