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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/9354


    Title: 異質性無線感測網路試驗環境之設計與實作;WSNTB: A Testbed for Heterogeneous Wireless Sensor Networks
    Authors: 孫仲岳;Chung-Yueh Sun
    Contributors: 資訊工程研究所
    Keywords: 無線感測網路;異質性整合;試驗環境;遠端管理;ZigBee;remote management;Heterogeneous;testbed;wireless sensor networks;Zigbee
    Date: 2007-09-11
    Issue Date: 2009-09-22 11:46:02 (UTC+8)
    Publisher: 國立中央大學圖書館
    Abstract: 無線感測網路(Wireless Sensor Networks)是由許多無線感測器(Wireless Sensor node) 所組成,特性是低耗電、低成本、低頻寬、與低運算能力。在本篇論文中,我們提出一個異質性的無線感測網路試驗環境,提供研究人員使用。系統架構包含硬體設施與軟體環境之設計與實作。硬體設施可分作三層,其中包含伺服器群、轉換器與閘道主機,以及無線感測網路節點。我們的試驗環境支援多樣化的無線感測網路節點,任何具有標準USB與RS232連接介面之設備,均可應用於我們的試驗環境中。使用者可以在實驗階段與任一節點作即時互動,並存取實際的硬體資源,在試驗環境中我們部署了相容於IEEE 802.15.4/ZigBee通訊協定的無線感測裝置:Octopus I 與 Octopus II,這兩種無線感測裝置皆為自行研發。軟體環境包含了服務介面層、試驗環境核心層與資源存取層。軟體環境提供使用者針對不同的硬體,自訂應用程式。並且允許使用者採用自己的電腦,來透過我們的試驗環境進行實驗。透過預約可以讓使用者從網站上來進行實驗節點挑選與線上實驗。由實驗結果證明,相較以往的作業模式,我們提供的試驗環境可以免除使用者建置環境的繁雜過程,快速且成功的達成實際驗證的目的,讓使用者專注於研究工作上。並且我們的試驗環境為標準化的軟硬體搭配,可以降低試驗環境的建置成本,提供研究資源的使用率與可用性,未來亦有高度的擴充性。 In this paper, we design and implement a testbed to realize experiments in heterogeneous wireless sensor networks (WSNs) for researchers. Our implementation includes hardware infrastructure and software framework. The hardware infrastructure consists of servers, converters and gateways, and sensor nodes in three-tier. Our testbed can support different sensor node devices. Any universal device with USB and RS232 connector can be attracted as sensor nodes. Users can experiment with real hardware resources and interactive with our testbed real-time. Here, we deploy two kinds of self-designed sensor nodes, Octopus I and Octopus II, in our testbed. The Octopus sensor nodes are compatible with IEEE 802.15.4/ZigBee standard for experiments. The software framework composes with three main layers: services interface layer, testbed core layer, and resource access layer. The testbed allows users to customize their applications for specific sensor nodes and experiments in local computer system with remote hardware resources. Users can book a period of time and choose number of nodes through the testbed website. By using our testbed, users can save lots time from creating an experiment environment, reduce the hardware expense, enhance the devices utilization rate, and fasten to verify the experiment results.
    Appears in Collections:[資訊工程研究所] 博碩士論文

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