Distributed Detection in Wireless Sensor Networks Using A Multiple Access Channel
IEEE Transactions on Signal Processing
Sequential detection of targets in multichannel systems
IEEE Transactions on Information Theory
IEEE Communications Magazine
Asymptotic results for decentralized detection in power constrained wireless sensor networks
IEEE Journal on Selected Areas in Communications
Design of optimal space-time codes in TDD/TDMA 4G systems
WSEAS TRANSACTIONS on COMMUNICATIONS
Limitations of current 4G systems and its substitute schemes with TDD/TDMA
WSEAS TRANSACTIONS on COMMUNICATIONS
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In this paper we study a sequential type-based detection scheme with the suboptimal detection rule for wireless sensor networks. First, we propose the approximation of the optimal detection rule and derive the sub-optimal detection rule. Then we compare the performances of the optimal and the suboptimal detection rules and show that the approximated detection rule provides the similar results as the optimal detection rule in terms of both average number of observations and total energy consumption. At the same time the suboptimal detection rule allows the significant reduction of the computational complexity such that the complexity and detection delay per one iteration does not depend on the number of sensor nodes in the network. That makes the proposed approximated detection rule useful for real-time application.