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In this paper, a pattern search (PS)-based solution is proposed for nonconvex multiband cooperative sensing (NCMCS) problem in cognitive radio systems. This problem consists of maximizing cumulative throughput subject to constraints on cumulative interference, probability of detection, and probability of false alarm. Initially in existing literature, this problem was solved under constraints that...
In this paper, we introduce an approach to jointly minimize energy consumption of wireless transmitters and the harmful interference on sensitive medical devices, and optimize the central controller placement for collecting data from transmitters. More specifically, a multi-objective non-convex mixed-integer non-linear programming (MINLP) problem is defined and formulated to optimize transmit power...
Energy consumption is a key issue in wireless ad hoc and sensor networks. Cooperative communication represents a potential candidate to improve the energy efficiency of wireless networks and this efficiency can be further improved by considering the variable packet size. In this paper, we address the question of the optimal packet size for data that improves the efficiency of energy consumption in...
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