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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/94386

    Title: 以同心圓為基礎之無線感測器網路睡眠排程機制
    Other Titles: Concentric-based sleep scheduling scheme for wireless sensor networks
    Authors: 林禹佑;Lin, Yu-Yu
    Contributors: 淡江大學資訊工程學系碩士班
    王英宏;Wang, Ying-Hong
    Keywords: 無線感測網路;生命週期;睡眠排程機制;Wireless sensor network (WSN);Lifetime;Sleep Scheduling
    Date: 2013
    Issue Date: 2014-01-23 14:32:40 (UTC+8)
    Abstract: 在無線感測網路(Wireless Sensor Networks, WSNs)的研究中,如何延長整個網路的生命週期(Lifetime)是相當重要的議題,以睡眠排程機制(Sleeping Scheduling)為基礎,本研究提出的機制在同心圓的架構之下,依照地理位置的不同,劃分不同的同心圓區域,依照位於奇數與偶數層區的感測器的輪流睡眠,藉此使位於不同區域的感測器的電量可以更均勻的消耗電能,並且在此架構之下可以使靠近基地台(Sink)的感測器減少其運行的時間和代傳資料的工作量。在研究中,基地台和感測器都會應用到傳輸功率控制技術(Transmit Power Control, TPC)以控制網路拓樸(Topology)以及基地台劃分同心圓的位置,並利用建構好的路由將感測器接收到的資訊回傳給基地台。最後我們會比較其他的睡眠排程機制,實驗結果將會顯示本研究所提出的方法將優於先前的機制。
    In Wireless Sensor Networks (WSNs), how to extend the lifetime is an important issue. Our research uses Sleeping Scheduling scheme which divides the network into many concentric layers and rotates sensors in different odd and even layers to sleep. By our scheme, we can balance the power consumption among all sensors and reduce power and transmission load of sensors near sink. Our research use Transmit Power Control (TPC) technique to control topology and divide concentric layers, and use the topology to transmit packets to sink. Finally, the performance of our scheme is better than other Sleeping Scheduling schemes in the simulations.
    Appears in Collections:[Graduate Institute & Department of Computer Science and Information Engineering] Thesis

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