Decision Fusion under a Dynamic Wireless Sensor Network over Noncoherent Multi-Access Channels
Keywords:
Dynamic wireless sensor network, noncoherent multi-access channels, decision fusion, Rayleigh fading, poisson distribution.Abstract
In order to solve the decision fusion issue under a
dynamic wireless sensor network (WSN) based on noncoherent
multi-access channels, a decision fusion rule based on the
quadrature components of the information received by fusion
center is proposed. It is assumed that the distribution of fading
channels submits a Rayleigh distribution and the number of
sensors follows a Poisson distribution in the WSN. The analysis
and simulation on detection performance of the decision fusion
rule are made under different system parameters. Compared
with the optimal likelihood ratio decision fusion rule, the
proposed decision fusion rule can provide very close detection
performance with smaller computation and less information.
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