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• W1645704855 abstract "The problem of cooperative beamforming for maximizing the achievable data rate of an energy constrained two-hop amplify-and-forward (AF) network is considered. Assuming perfect channel state information (CSI) of all the nodes, we evaluate the optimal scaling factor for the relay nodes. Along with individual power constraint on each of the relay nodes, we consider a weighted sum power constraint. The proposed iterative algorithm initially solves a set of relaxed problems with weighted sum power constraint and then updates the solution to accommodate individual constraints. These relaxed problems in turn are solved using a sequence of Quadratic Eigenvalue Problems (QEP). The key contribution of this letter is the generalization of cooperative beamforming to incorporate both the individual and weighted sum constraint. Furthermore, we have proposed a novel algorithm based on Quadratic Eigenvalue Problem (QEP) and discussed its convergence." @default.
• W1645704855 created "2016-06-24" @default.
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• W1645704855 date "2015-10-01" @default.
• W1645704855 modified "2023-09-27" @default.
• W1645704855 title "QEP Based Solution for Power Allocation in Amplify and Forward Networks" @default.
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• W1645704855 doi "https://doi.org/10.1109/lcomm.2015.2456921" @default.
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