Efficient Estimation of Linear Parameters from Correlated Node Measurements over Networks
作者: Zhiyuan Weng
刊名: Signal Processing Letters, IEEE, 2014, Vol.21 (11), pp.1408- 1412
来源数据库: IEEE期刊
原始语种摘要: We investigate the performance of distributed estimation of static parameters in networks whose nodes make correlated measurements. The measurement models are linear with node specific time-varying observation matrices. The nodes cooperate with their neighbors by exchanging information that allow for approximation of the sufficient statistics in the estimation. We prove that the proposed estimation method is efficient. Specifically, we show that the performances of the distributed estimator and the centralized one are asymptotically the same, i.e., the limit of the ratio of their variances is 1.
全文获取路径: IEEE 
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关键词翻译
关键词翻译
  • estimation 估计
  • measurement 测量
  • asymptotically 渐近地
  • distributed 分布的
  • estimator 估计量
  • investigate 
  • varying 变化的
  • their 他们的
  • efficient 有用的
  • statistics 统计