Distributed detection in wireless sensor networks using complex field network coding

Kayhan Eritmen, Mehmet Keskinoz

Araştırma sonucu: ???type-name???Konferans katkısıbilirkişi

2 Atıf (Scopus)

Özet

The signal transmission and the information fusion in the wireless sensor networks (WSN) are conventionally assumed to operate over orthogonal channels, which becomes bandwidth and throughput inefficient. To remedy this inefficiency and to improve the detection performance simultaneously, in this work, we first propose to use relaying with complex field network coding (CFNC), which operates over non-orthogonal channels. This provides not only the diversity in space but also diversity in time as well. In this method, each sensor is assigned a unique pre-determined signature and this provides robustness against the multi-access interference. Secondly, we derive the optimal likelihood ratio test (LRT) based fusion rule for the proposed system. Thirdly, we devise a way to choose the sensor signatures. Finally, we evaluate the detection performance of the proposed scheme and compare it with the performance of the conventional method. The simulation results show that we can obtain up to a 105% improvement using distributed detection with CFNC rather than employing the conventional method in literature. This suggests that the distributed detection with CFNC is a promising technique that can be used in next generation WSNs.

Orijinal dilİngilizce
Ana bilgisayar yayını başlığıProceedings of the 16th International Conference on Information Fusion, FUSION 2013
Sayfalar989-996
Sayfa sayısı8
Yayın durumuYayınlandı - 2013
Harici olarak yayınlandıEvet
Etkinlik16th International Conference of Information Fusion, FUSION 2013 - Istanbul, Turkey
Süre: 9 Tem 201312 Tem 2013

Yayın serisi

AdıProceedings of the 16th International Conference on Information Fusion, FUSION 2013

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???event.eventtypes.event.conference???16th International Conference of Information Fusion, FUSION 2013
Ülke/BölgeTurkey
ŞehirIstanbul
Periyot9/07/1312/07/13

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