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- W2019960576 abstract "To reduce cooperation overhead in Amplify-and-Forward (AF) relay networks, a group-sparse penalty is introduced into the objective function to design beamformers for balancing the size of active relays and the signal-to-noise ratio (SNR) at the destination. To deal with the non-convexity and non-smoothness of the problem, the proximal gradient algorithm (PGA) is proposed, which can converge to a local optimal solution in theory. The simulation results show that the proposed algorithm can yield the high level of SNR performance with a small set of cooperative relays to reduce cooperation overhead and economize power." @default.
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- W2019960576 date "2014-06-01" @default.
- W2019960576 modified "2023-09-24" @default.
- W2019960576 title "Sparse Beamforming in Multiple Multi-Antenna Amplify-and-Forward Relay Networks" @default.
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