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Production system consists of several sub-systems, and there exists complex interactions between sub-systems. Also, the production system itself has to adapt to the environment. Based on the definition of enterprise production system and complex adaptive system (CAS) theory, this paper built a basic structure for enterprise production system, analyzed the components, sources and features of enterprise...
In this paper, a cognitive relay channel is considered, and amplify-and-forward (AF) relay beamforming designs in the presence of an eavesdropper and a primary user are studied. Our objective is to optimize the performance of the cognitive relay beamforming system while limiting the interference in the direction of the primary receiver and keeping the transmitted signal secret from the eavesdropper...
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