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In spectrum underlay cognitive radio networks, secondary users (SUs) are allowed to reuse the spectrum allocated to a primary system. The interference between SUs actually carries information and can potentially be exploited to improve the network performance through information-theoretic interference processing. In this paper, we design an optimal joint power and rate control algorithm that maximizes...
Brain storm optimization (BSO) is a new kind of swarm intelligence algorithm inspired by human creative problem solving process. Human being is the most intelligent organism in the world and the brainstorming process popularly used by them has been demonstrated to be a significant and promising way to create great ideas for problem solving. BSO transplants the brainstorming process in human being...
An optimization design on reducing vibration and noise radiation of a plate subject to the weight constraints is studied. The FEM (finite element method) is used to simulate vibration and noise radiation. The main goal is to evaluate the optimization effect on vibration reduction and noise radiation reduction. The sensitivity of vibration velocity with respect to shell thickness is formulated for...
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