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    题名: The decision fusion in the wireless network with possible transmission errors
    作者: Xia, Yifan;Wang, Fang;Deng, Wen-Shuenn
    贡献者: 淡江大學統計學系
    关键词: Transmission error probability;Channel fading;Decision fusion;Optimal sensor compression rule;Bayesian cost;Likelihood ratio test method
    日期: 2012-09
    上传时间: 2012-03-13 14:38:18 (UTC+8)
    出版者: Philadelphia: Elsevier Inc.
    摘要: In a wireless sensor network, a fusion center may receive incorrect information from local sensors, with some probabilities of transmission errors, due to channel fading. To cope with such a problem, we generalize the likelihood-ratio-test method of Chen and Willett (2005) [7] and derive optimal local sensor compression rules that minimize the Bayesian cost under a given fusion rule and transmission error probabilities. Our proposed method is able to operate without conditional independence between sensor data, which is often required by existing methods. Numerical examples are also used to validate the performance through receiver operating characteristics curves. These examples highlight the interesting features of our method compared to those in ideal situations.
    關聯: Information Sciences 199, pp.193–203
    DOI: 10.1016/j.ins.2012.02.044
    显示于类别:[統計學系暨研究所] 期刊論文


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