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- W2183664054 abstract "This paper focuses on the optimal relay selection and power allocation issue, which studies the communication between SS (Secondary Source) and two SDs (Secondary Destinations) through single relay in CR （cooperative cognitive communication） system. Sufficiently takes the multi-antenna relay, primary-secondary users coexisting, and AF (Amplify and Forward) relay mode as the researching background, and takes the constraints caused by the primary user’s interference and the max transmission power into account, the author proposes to maximize the system throughput by the selection of cooperative relay and the allocation of optimal power. Furthermore, the author also puts forward the approximate expressions of the optimal power allocation, and figures out the optimal solution by the Lagrange multiplier, whose property can be manifested by the simulation and comparison results." @default.
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- W2183664054 date "2014-12-31" @default.
- W2183664054 modified "2023-09-22" @default.
- W2183664054 title "Optimal Relay Selection and Power Allocation in Cooperative Cognitive Communication System" @default.
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- W2183664054 doi "https://doi.org/10.14257/ijfgcn.2014.7.6.18" @default.
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