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We consider a decentralized detection problem in which a number of sensor nodes collaborate to detect the presence of an unknown deterministic vector signal. To cope with the power/bandwidth constraints inherent in wireless sensor networks (WSNs), each sensor compresses its observations using a linear precoder. The compressed messages are transmitted to the fusion center (FC), where a global decision...
We study different linear precoding strategies and their asymptotic detection performance for decentralized detection of unknown deterministic signals. Two precoding schemes are proposed: a random precoding scheme which generates its precoding vectors following a certain distribution, and a signassisted precoding scheme which incorporates the sign information of the signal components into the precoding...
We consider a joint decentralized detection and estimation problem in which a number of sensor nodes collaborate to detect and estimate an unknown deterministic vector signal. To cope with the power/bandwidth constraints inherent in wireless sensor networks (WSNs), each sensor compresses its observations using a linear precoder. The compressed messages are transmitted to the fusion center (FC), where...
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