Energy-Efficient Communication Protocol for Wireless Microsensor Networks
HICSS '00 Proceedings of the 33rd Hawaii International Conference on System Sciences-Volume 8 - Volume 8
Optimal Power Scheduling for Data Fusion in Inhomogeneous Wireless Sensor Networks
AVSS '06 Proceedings of the IEEE International Conference on Video and Signal Based Surveillance
Distributed Detection in Wireless Sensor Networks Using A Multiple Access Channel
IEEE Transactions on Signal Processing
Detection Performance Limits for Distributed Sensor Networks in the Presence of Nonideal Channels
IEEE Transactions on Wireless Communications
Cooperative routing for distributed detection in large sensor networks
IEEE Journal on Selected Areas in Communications
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In this paper, we consider the performance of serial distributed detection in wireless sensor networks (WSNs) under the assumption that the local decisions made by sensors are transmitted over noisy channels. Different from the parallel fusion, where the local results are directly sent to the fusion center, in serial fusion, local results are transmitted to the fusion center through multi-hop, short-range communications. We derive a fusion decision rule for serial signal detection, which takes the channel noise into account. And the simulation results show that the performance of serial distributed detection is inferior to that of parallel distributed detection, especially when the number of sensors is large. However, serial distributed detection utilizes short-range, multi-hop transmission, so it can be used as an energy-efficient distributed detection scheme for wireless sensor networks.