Censoring Based Mixed Fusion Rule

Liu Xiang-yang; Peng Ying-ning

doi:10.3724/SP.J.1146.2006.00940

Volume 30 Issue 1

Jan. 2011

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Liu Xiang-yang, Peng Ying-ning. Censoring Based Mixed Fusion Rule[J]. Journal of Electronics & Information Technology, 2008, 30(1): 159-162. doi: 10.3724/SP.J.1146.2006.00940

Citation:

Liu Xiang-yang, Peng Ying-ning. Censoring Based Mixed Fusion Rule[J]. Journal of Electronics & Information Technology, 2008, 30(1): 159-162. doi: 10.3724/SP.J.1146.2006.00940

Liu Xiang-yang, Peng Ying-ning. Censoring Based Mixed Fusion Rule[J]. Journal of Electronics & Information Technology, 2008, 30(1): 159-162. doi: 10.3724/SP.J.1146.2006.00940

Citation:

Liu Xiang-yang, Peng Ying-ning. Censoring Based Mixed Fusion Rule[J]. Journal of Electronics & Information Technology, 2008, 30(1): 159-162. doi: 10.3724/SP.J.1146.2006.00940

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Censoring Based Mixed Fusion Rule

doi: 10.3724/SP.J.1146.2006.00940

Liu Xiang-yang^{①②;彭应宁},
Peng Ying-ning

Received Date: 2006-06-29
Rev Recd Date: 2006-11-22
Publish Date: 2008-01-19

Abstract

Abstract

When fusing the decisions of local sensors transmitted via Nakagami fading channel, the Likelihood ratio test based on channel statistics (LRT-CS) proposed in the literature requires the detection probability of local sensors and involves an infinity series. However, the detection probability of local sensors generally is a priori unknown for an uncooperative target. Thus, a Censoring based Mixed Fusion (CMF) is proposed, which is simple and does not need the detection probability of local sensors. Monte Carlo simulations show that the CMF has small performance degradation in comparison with the LRT-CS for unknown detection probabilities of local sensors. Therefore, CMF can substitute LRT-CS in practice.

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References(1)

References

[1] 孙利民, 李建中, 陈渝, 等. 无线传感器网络. 北京: 清华大学出版社, 2005, 第1 章. [2] Varshney P K. Distributed Detection and Data Fusion. NewYork: Springer-Verlag New York, Inc, 1996:1-36. [3] Chen B, Jiang R, and Kasetkasem T, et al.. Channel awaredecision fusion in wireless sensor networks[J].IEEE Trans. onSignal Processing.2004, 52(12):3454-3458 [4] Jiang R, and Chen B. Fusion of censored decisions inwireless sensor networks. IEEE Trans. on WirelessCommunications, 2005, 4(6): 2668-2673. [5] Niu R, Chen B, and Varshney P K. Fusion of decisionstransmitted over rayleigh fading channels in wireless sensornetworks[J].IEEE Trans. on Signal Processing.2006, 54(3):1018-1027

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