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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/104265


    Title: An Efficient Target Tracking Mechanism for Guaranteeing User-Defined Tracking Quality in WSNs
    Authors: Cuijuan Shang;Guilin Chen;Chengchao Ji;Chih-Yung Chang
    Keywords: Energy conservation;quality guaranteed;target tracking;user-defined tracking quality;wireless sensor network
    Date: 2015-06
    上傳時間: 2016-01-06 10:53:26 (UTC+8)
    出版者: Institute of Electrical and Electronics Engineers
    摘要: Target tracking is one of the most important issues in wireless sensor networks (WSNs). In a densely deployed WSN, all sensors participating in the monitoring task can provide full coverage but consume their energies inefficiently. Some approaches pursue better network lifetime at the cost of tracking accuracy, while some other mechanisms aim to achieve the best tracking accuracy without consideration of network lifetime. However, it is not necessary to achieve the best tracking accuracy, especially for those applications that users have defined their requirement of tracking quality. This paper proposes an efficient target tracking (ETT) mechanism, which dynamically wakes up sensors in a distributed manner, aiming to minimize the number of working sensors while the user-defined tracking quality can be satisfied. Performance results show that the proposed ETT outperforms existing work in terms of energy consumption of sensor nodes and the tracking quality.
    關聯: IEEE Sensors Journal, vol. 15, no. 9, pp. 5258-5271
    DOI: 10.1109/JSEN.2015.2440295
    顯示於類別:[Graduate Institute & Department of Computer Science and Information Engineering] Journal Article

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