Estimation of the number of operating sensors in large-scale sensor networks with mobile access

被引：28
作者：
Budianu, C
Ben-David, S
Tong, L
机构：
[1] Qualcomm Inc, San Diego, CA 92121 USA
[2] Univ Waterloo, Sch Comp Sci, Waterloo, ON N2L 3G1, Canada
来源：
IEEE TRANSACTIONS ON SIGNAL PROCESSING | 2006年 / 54卷 / 05期
关键词：
large deviation analysis; nonparametric estimation; sensor lifetime estimation; sensor networks;
D O I：
10.1109/TSP.2006.871973
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper investigates the estimation of the number of operating sensors in a sensor network in which the data collection is made by a mobile access point. In this paper, an estimator based on the Good-Turing estimator of the missing mass is proposed and it is generalized to other related problems such as the estimation of the distribution of energy available at sensors. The estimator is analyzed using the theory of large deviations. Closed-form bounds on the large deviation exponent are presented and confidence intervals for the estimator are characterized.
引用
收藏
页码：1703 / 1715
页数：13
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