Abstract
We propose a hybrid distributed detection scheme based on multi-hop in the electromagnetic spectrum monitoring sensor network (ESMSN), which consists of the local monitoring sensors (MSs) level fusion detection and cluster head nodes (CHNs) level fusion detection. In the local MSs level fusion detection, each MS makes a decision based on its observation to the specific spectrum in independent additive observation noises with possibly different variances and the decision of the last MS, and sends its decision to the next MS and the corresponding CHN through the hybrid structure. In the CHNs level fusion detection, each CHN makes a decision based on the one it receives from MSs in its cluster and passes its decision to the fusion center (FC) through multi-hop, short-range communications, where the final decision is made. We investigate the performance of the hybrid distributed detection scheme based on multi-hop, which takes the channel fading into account, and derive the probability of detection and the probability of the false alarm, respectively. Analysis and simulation results show that the proposed scheme can obtain a higher probability of detection than the parallel distributed detection scheme for a given probability of false alarm.
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The work is funded by the Important National Specific Projects (2010ZX03006-002-01).
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Zhang, Y., Zhao, H. (2012). A Hybrid Distributed Detection Scheme Based on Multi-hop in Electromagnetic Spectrum Monitoring Sensor Networks. In: Chen, R. (eds) 2011 International Conference in Electrics, Communication and Automatic Control Proceedings. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-8849-2_28
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DOI: https://doi.org/10.1007/978-1-4419-8849-2_28
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