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Wireless Networks
Erschienen in: Wireless Networks 5/2014

01.07.2014

Distributed decision fusion over fading channels in hierarchical wireless sensor networks

verfasst von: Kayhan Eritmen, Mehmet Keskinoz

Erschienen in: Wireless Networks | Ausgabe 5/2014

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Abstract

In this work, we investigate distributed decision fusion in hierarchical wireless sensor networks that are degraded by fading and noise. With the use of the complete fading channel state information (CSI), we first derive the likelihood ratio test (LRT) based optimum fusion rule, which we call LRT–CSI. Then, we relax the use of the complete CSI and only the exact phase information is employed together with channel envelope statistics (CS), and we develop another LRT based fusion rule named LRT–CS, which is computationally simpler to implement compared to LRT–CSI. Finally, we analyze the detection performance of all the proposed fusion rules through extensive numerical results.
Vorheriger Artikel Power saving mechanism for VoIP services over WiMAX systems
Nächster Artikel Stochastic spectrum handoff protocols for partially observable cognitive radio networks

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Fußnoten
1
Although we have assumed clusters with equal size K, the expressions and derivations are still same for the case of clusters with different sizes. Specifically, it is enough to replace K with K m , which denotes the size of the mth cluster.
 
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Metadaten
Titel
Distributed decision fusion over fading channels in hierarchical wireless sensor networks
verfasst von
Kayhan Eritmen
Mehmet Keskinoz
Publikationsdatum
01.07.2014
Verlag
Springer US
Erschienen in
Wireless Networks / Ausgabe 5/2014
Print ISSN: 1022-0038
Elektronische ISSN: 1572-8196
DOI
https://doi.org/10.1007/s11276-013-0649-y

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