Distributed detection in practical wireless sensor networks via a two-step consensus algorithm

Nurellari, Edmond, McLernon, Des and Ghogho, Mounir (2015) Distributed detection in practical wireless sensor networks via a two-step consensus algorithm. In: Intelligent Signal Processing 2015 (ISP), 2nd IET International Conference on, 1 - 2 Dec 2016, London, UK.

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The problem of fully distributed detection of an unknown deterministic signal observed by a wireless sensor network (WSN) is addressed. We propose a two-step distributed consensus-based detection algorithm where in the �first step the sensor nodes (SNs) collaborate with their neighbours through error-free, orthogonal channels (the SNs exchange quantized information matched to the channel capacity of each link). In the second step, local 1-bit decisions generated in the �rst step are shared among neighbours to yield a consensus. Simulations show that our proposed quantized two step distributed detection algorithm approaches the performance of the unquantized centralised (fusion centre) detector.

Additional Information:Date Added to IEEE Xplore: 17 November 2016
Keywords:wireless sensor networks (WSNs), distributed detection, consensus algorithm, JCOpen
Subjects:H Engineering > H641 Telecommunications Engineering
H Engineering > H600 Electronic and Electrical Engineering
H Engineering > H640 Communications Engineering
Divisions:College of Science > School of Engineering
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ID Code:27479
Deposited On:09 May 2017 12:58

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